mirror of
https://github.com/jashkenas/coffeescript.git
synced 2026-01-14 09:17:55 -05:00
Merge remote branch 'upstream/master'
This commit is contained in:
Adriano Bonat
@@ -96,6 +96,7 @@ through and printed to JavaScript.</p> </td> <td class="
|
||||
the ordinary <strong>Assign</strong> is that these allow numbers and strings as keys.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">AssignObj: </span><span class="p">[</span>
|
||||
<span class="nx">o</span> <span class="s2">"Identifier ASSIGN Expression"</span><span class="p">,</span> <span class="o">-></span> <span class="k">new</span> <span class="nx">AssignNode</span> <span class="k">new</span> <span class="nx">ValueNode</span><span class="p">(</span><span class="nx">$1</span><span class="p">),</span> <span class="nx">$3</span><span class="p">,</span> <span class="s1">'object'</span>
|
||||
<span class="nx">o</span> <span class="s2">"AlphaNumeric ASSIGN Expression"</span><span class="p">,</span> <span class="o">-></span> <span class="k">new</span> <span class="nx">AssignNode</span> <span class="k">new</span> <span class="nx">ValueNode</span><span class="p">(</span><span class="nx">$1</span><span class="p">),</span> <span class="nx">$3</span><span class="p">,</span> <span class="s1">'object'</span>
|
||||
<span class="nx">o</span> <span class="s2">"ThisProperty ASSIGN Expression"</span><span class="p">,</span> <span class="o">-></span> <span class="k">new</span> <span class="nx">AssignNode</span> <span class="k">new</span> <span class="nx">ValueNode</span><span class="p">(</span><span class="nx">$1</span><span class="p">),</span> <span class="nx">$3</span><span class="p">,</span> <span class="s1">'this'</span>
|
||||
<span class="nx">o</span> <span class="s2">"Comment"</span>
|
||||
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-17"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-17">#</a> </div> <p>A return statement from a function body.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">Return: </span><span class="p">[</span>
|
||||
<span class="nx">o</span> <span class="s2">"RETURN Expression"</span><span class="p">,</span> <span class="o">-></span> <span class="k">new</span> <span class="nx">ReturnNode</span> <span class="nx">$2</span>
|
||||
@@ -125,14 +126,12 @@ that hoovers up the remaining arguments.</p> </td> <td c
|
||||
<span class="nx">o</span> <span class="s2">"Param . . ."</span><span class="p">,</span> <span class="o">-></span> <span class="k">new</span> <span class="nx">SplatNode</span> <span class="nx">$1</span>
|
||||
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-24"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-24">#</a> </div> <p>A splat that occurs outside of a parameter list.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">Splat: </span><span class="p">[</span>
|
||||
<span class="nx">o</span> <span class="s2">"Expression . . ."</span><span class="p">,</span> <span class="o">-></span> <span class="k">new</span> <span class="nx">SplatNode</span> <span class="nx">$1</span>
|
||||
<span class="p">]</span>
|
||||
</pre></div> </td> </tr> <tr id="section-25"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-25">#</a> </div> <p>Variables and properties that can be assigned to.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">SimpleAssignable: </span><span class="p">[</span>
|
||||
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-25"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-25">#</a> </div> <p>Variables and properties that can be assigned to.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">SimpleAssignable: </span><span class="p">[</span>
|
||||
<span class="nx">o</span> <span class="s2">"Identifier"</span><span class="p">,</span> <span class="o">-></span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">$1</span>
|
||||
<span class="nx">o</span> <span class="s2">"Value Accessor"</span><span class="p">,</span> <span class="o">-></span> <span class="nx">$1</span><span class="p">.</span><span class="nx">push</span> <span class="nx">$2</span>
|
||||
<span class="nx">o</span> <span class="s2">"Invocation Accessor"</span><span class="p">,</span> <span class="o">-></span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">$1</span><span class="p">,</span> <span class="p">[</span><span class="nx">$2</span><span class="p">]</span>
|
||||
<span class="nx">o</span> <span class="s2">"ThisProperty"</span>
|
||||
<span class="p">]</span>
|
||||
</pre></div> </td> </tr> <tr id="section-26"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-26">#</a> </div> <p>Everything that can be assigned to.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">Assignable: </span><span class="p">[</span>
|
||||
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-26"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-26">#</a> </div> <p>Everything that can be assigned to.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">Assignable: </span><span class="p">[</span>
|
||||
<span class="nx">o</span> <span class="s2">"SimpleAssignable"</span>
|
||||
<span class="nx">o</span> <span class="s2">"Array"</span><span class="p">,</span> <span class="o">-></span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">$1</span>
|
||||
<span class="nx">o</span> <span class="s2">"Object"</span><span class="p">,</span> <span class="o">-></span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">$1</span>
|
||||
@@ -198,8 +197,7 @@ object.</p> </td> <td class="code"> <div c
|
||||
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-40"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-40">#</a> </div> <p>A reference to the <em>this</em> current object.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">This: </span><span class="p">[</span>
|
||||
<span class="nx">o</span> <span class="s2">"THIS"</span><span class="p">,</span> <span class="o">-></span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="s1">'this'</span>
|
||||
<span class="nx">o</span> <span class="s2">"@"</span><span class="p">,</span> <span class="o">-></span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="k">new</span> <span class="nx">LiteralNode</span> <span class="s1">'this'</span>
|
||||
<span class="p">]</span>
|
||||
</pre></div> </td> </tr> <tr id="section-41"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-41">#</a> </div> <p>A reference to a property on <em>this</em>.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">ThisProperty: </span><span class="p">[</span>
|
||||
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-41"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-41">#</a> </div> <p>A reference to a property on <em>this</em>.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">ThisProperty: </span><span class="p">[</span>
|
||||
<span class="nx">o</span> <span class="s2">"@ Identifier"</span><span class="p">,</span> <span class="o">-></span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="k">new</span> <span class="nx">LiteralNode</span><span class="p">(</span><span class="s1">'this'</span><span class="p">),</span> <span class="p">[</span><span class="k">new</span> <span class="nx">AccessorNode</span><span class="p">(</span><span class="nx">$2</span><span class="p">)]</span>
|
||||
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-42"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-42">#</a> </div> <p>The CoffeeScript range literal.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">Range: </span><span class="p">[</span>
|
||||
<span class="nx">o</span> <span class="s2">"[ Expression . . Expression ]"</span><span class="p">,</span> <span class="o">-></span> <span class="k">new</span> <span class="nx">RangeNode</span> <span class="nx">$2</span><span class="p">,</span> <span class="nx">$5</span>
|
||||
|
||||
@@ -30,7 +30,7 @@ of source.</p>
|
||||
|
||||
<p>Before returning the token stream, run it through the <a href="rewriter.html">Rewriter</a>
|
||||
unless explicitly asked not to.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">tokenize: </span><span class="p">(</span><span class="nx">code</span><span class="p">,</span> <span class="nx">options</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nx">code</span> <span class="o">:</span> <span class="nx">code</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/(\r|\s+$)/g</span><span class="p">,</span> <span class="s1">''</span><span class="p">)</span>
|
||||
<span class="nx">code</span> <span class="o">:</span> <span class="nx">code</span><span class="p">.</span><span class="nx">replace</span> <span class="o">/</span><span class="p">(</span><span class="err">\</span><span class="nx">r</span><span class="o">|</span><span class="err">\</span><span class="nx">s</span><span class="o">+</span><span class="nx">$</span><span class="p">)</span><span class="o">/</span><span class="nx">g</span><span class="p">,</span> <span class="s1">''</span>
|
||||
<span class="nx">o</span> <span class="o">:</span> <span class="nx">options</span> <span class="o">or</span> <span class="p">{}</span>
|
||||
<span class="err">@</span><span class="nx">code</span> <span class="o">:</span> <span class="nx">code</span> <span class="c1"># The remainder of the source code.</span>
|
||||
<span class="err">@</span><span class="nx">i</span> <span class="o">:</span> <span class="mi">0</span> <span class="c1"># Current character position we're parsing.</span>
|
||||
@@ -39,7 +39,7 @@ unless explicitly asked not to.</p> </td> <td class="cod
|
||||
<span class="err">@</span><span class="nx">indents</span> <span class="o">:</span> <span class="p">[]</span> <span class="c1"># The stack of all current indentation levels.</span>
|
||||
<span class="err">@</span><span class="nx">tokens</span> <span class="o">:</span> <span class="p">[]</span> <span class="c1"># Stream of parsed tokens in the form ['TYPE', value, line]</span>
|
||||
<span class="k">while</span> <span class="err">@</span><span class="nx">i</span> <span class="o"><</span> <span class="err">@</span><span class="nx">code</span><span class="p">.</span><span class="nx">length</span>
|
||||
<span class="err">@</span><span class="nv">chunk: </span><span class="err">@</span><span class="nx">code</span><span class="p">.</span><span class="nx">slice</span><span class="p">(</span><span class="err">@</span><span class="nx">i</span><span class="p">)</span>
|
||||
<span class="err">@</span><span class="nv">chunk: </span><span class="err">@</span><span class="nx">code</span><span class="p">.</span><span class="nx">slice</span> <span class="err">@</span><span class="nx">i</span>
|
||||
<span class="err">@</span><span class="nx">extract_next_token</span><span class="p">()</span>
|
||||
<span class="err">@</span><span class="nx">close_indentation</span><span class="p">()</span>
|
||||
<span class="k">return</span> <span class="err">@</span><span class="nx">tokens</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">rewrite</span> <span class="o">is</span> <span class="kc">off</span>
|
||||
@@ -68,7 +68,7 @@ referenced as property names here, so you can still do <code>jQuery.is()</code>
|
||||
though <code>is</code> means <code>===</code> otherwise.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">identifier_token: </span><span class="o">-></span>
|
||||
<span class="k">return</span> <span class="kc">false</span> <span class="nx">unless</span> <span class="nv">id: </span><span class="err">@</span><span class="nx">match</span> <span class="nx">IDENTIFIER</span><span class="p">,</span> <span class="mi">1</span>
|
||||
<span class="err">@</span><span class="nx">name_access_type</span><span class="p">()</span>
|
||||
<span class="nv">accessed: </span><span class="nx">include</span> <span class="nx">ACCESSORS</span><span class="p">,</span> <span class="err">@</span><span class="nx">tag</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
|
||||
<span class="nv">accessed: </span><span class="nx">include</span> <span class="nx">ACCESSORS</span><span class="p">,</span> <span class="err">@</span><span class="nx">tag</span> <span class="mi">0</span>
|
||||
<span class="nv">tag: </span><span class="s1">'IDENTIFIER'</span>
|
||||
<span class="nv">tag: </span><span class="nx">id</span><span class="p">.</span><span class="nx">toUpperCase</span><span class="p">()</span> <span class="k">if</span> <span class="o">not</span> <span class="nx">accessed</span> <span class="o">and</span> <span class="nx">include</span><span class="p">(</span><span class="nx">KEYWORDS</span><span class="p">,</span> <span class="nx">id</span><span class="p">)</span>
|
||||
<span class="err">@</span><span class="nx">identifier_error</span> <span class="nx">id</span> <span class="k">if</span> <span class="nx">include</span> <span class="nx">RESERVED</span><span class="p">,</span> <span class="nx">id</span>
|
||||
@@ -76,8 +76,8 @@ though <code>is</code> means <code>===</code> otherwise.</p> </td>
|
||||
<span class="err">@</span><span class="nv">i: </span><span class="o">+</span> <span class="nx">id</span><span class="p">.</span><span class="nx">length</span>
|
||||
<span class="k">if</span> <span class="o">not</span> <span class="nx">accessed</span>
|
||||
<span class="nv">tag: id: </span><span class="nx">CONVERSIONS</span><span class="p">[</span><span class="nx">id</span><span class="p">]</span> <span class="k">if</span> <span class="nx">include</span> <span class="nx">COFFEE_ALIASES</span><span class="p">,</span> <span class="nx">id</span>
|
||||
<span class="k">return</span> <span class="err">@</span><span class="nx">tag_half_assignment</span><span class="p">(</span><span class="nx">tag</span><span class="p">)</span> <span class="k">if</span> <span class="err">@</span><span class="nx">prev</span><span class="p">()</span> <span class="o">and</span> <span class="err">@</span><span class="nx">prev</span><span class="p">()[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">'ASSIGN'</span> <span class="o">and</span> <span class="nx">include</span> <span class="nx">HALF_ASSIGNMENTS</span><span class="p">,</span> <span class="nx">tag</span>
|
||||
<span class="err">@</span><span class="nx">token</span><span class="p">(</span><span class="nx">tag</span><span class="p">,</span> <span class="nx">id</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="err">@</span><span class="nx">tag_half_assignment</span> <span class="nx">tag</span> <span class="k">if</span> <span class="err">@</span><span class="nx">prev</span><span class="p">()</span> <span class="o">and</span> <span class="err">@</span><span class="nx">prev</span><span class="p">()[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">'ASSIGN'</span> <span class="o">and</span> <span class="nx">include</span> <span class="nx">HALF_ASSIGNMENTS</span><span class="p">,</span> <span class="nx">tag</span>
|
||||
<span class="err">@</span><span class="nx">token</span> <span class="nx">tag</span><span class="p">,</span> <span class="nx">id</span>
|
||||
<span class="kc">true</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-11">#</a> </div> <p>Matches numbers, including decimals, hex, and exponential notation.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">number_token: </span><span class="o">-></span>
|
||||
<span class="k">return</span> <span class="kc">false</span> <span class="nx">unless</span> <span class="nv">number: </span><span class="err">@</span><span class="nx">match</span> <span class="nx">NUMBER</span><span class="p">,</span> <span class="mi">1</span>
|
||||
<span class="err">@</span><span class="nx">token</span> <span class="s1">'NUMBER'</span><span class="p">,</span> <span class="nx">number</span>
|
||||
@@ -88,13 +88,13 @@ are balanced within the string's contents, and within nested interpolations.</p>
|
||||
<span class="k">return</span> <span class="kc">false</span> <span class="nx">unless</span> <span class="nv">string:</span>
|
||||
<span class="err">@</span><span class="nx">balanced_token</span><span class="p">([</span><span class="s1">'"'</span><span class="p">,</span> <span class="s1">'"'</span><span class="p">],</span> <span class="p">[</span><span class="s1">'${'</span><span class="p">,</span> <span class="s1">'}'</span><span class="p">])</span> <span class="o">or</span>
|
||||
<span class="err">@</span><span class="nx">balanced_token</span> <span class="p">[</span><span class="s2">"'"</span><span class="p">,</span> <span class="s2">"'"</span><span class="p">]</span>
|
||||
<span class="err">@</span><span class="nx">interpolate_string</span> <span class="nx">string</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="nx">STRING_NEWLINES</span><span class="p">,</span> <span class="s2">" \\\n"</span><span class="p">)</span>
|
||||
<span class="err">@</span><span class="nx">interpolate_string</span> <span class="nx">string</span><span class="p">.</span><span class="nx">replace</span> <span class="nx">STRING_NEWLINES</span><span class="p">,</span> <span class="s2">" \\\n"</span>
|
||||
<span class="err">@</span><span class="nv">line: </span><span class="o">+</span> <span class="nx">count</span> <span class="nx">string</span><span class="p">,</span> <span class="s2">"\n"</span>
|
||||
<span class="err">@</span><span class="nv">i: </span><span class="o">+</span> <span class="nx">string</span><span class="p">.</span><span class="nx">length</span>
|
||||
<span class="kc">true</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-13">#</a> </div> <p>Matches heredocs, adjusting indentation to the correct level, as heredocs
|
||||
preserve whitespace, but ignore indentation to the left.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">heredoc_token: </span><span class="o">-></span>
|
||||
<span class="k">return</span> <span class="kc">false</span> <span class="nx">unless</span> <span class="nv">match: </span><span class="err">@</span><span class="nx">chunk</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">HEREDOC</span><span class="p">)</span>
|
||||
<span class="nv">quote: </span><span class="nx">match</span><span class="p">[</span><span class="mi">1</span><span class="p">].</span><span class="nx">substr</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
|
||||
<span class="nv">quote: </span><span class="nx">match</span><span class="p">[</span><span class="mi">1</span><span class="p">].</span><span class="nx">substr</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">1</span>
|
||||
<span class="nv">doc: </span><span class="err">@</span><span class="nx">sanitize_heredoc</span> <span class="nx">match</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span> <span class="o">or</span> <span class="nx">match</span><span class="p">[</span><span class="mi">4</span><span class="p">],</span> <span class="nx">quote</span>
|
||||
<span class="err">@</span><span class="nx">interpolate_string</span> <span class="s2">"$quote$doc$quote"</span>
|
||||
<span class="err">@</span><span class="nv">line: </span><span class="o">+</span> <span class="nx">count</span> <span class="nx">match</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="s2">"\n"</span>
|
||||
@@ -102,7 +102,7 @@ preserve whitespace, but ignore indentation to the left.</p> </td>
|
||||
<span class="kc">true</span></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-14">#</a> </div> <p>Matches JavaScript interpolated directly into the source via backticks.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">js_token: </span><span class="o">-></span>
|
||||
<span class="k">return</span> <span class="kc">false</span> <span class="nx">unless</span> <span class="nx">starts</span> <span class="err">@</span><span class="nx">chunk</span><span class="p">,</span> <span class="s1">'`'</span>
|
||||
<span class="k">return</span> <span class="kc">false</span> <span class="nx">unless</span> <span class="nv">script: </span><span class="err">@</span><span class="nx">balanced_token</span> <span class="p">[</span><span class="s1">'`'</span><span class="p">,</span> <span class="s1">'`'</span><span class="p">]</span>
|
||||
<span class="err">@</span><span class="nx">token</span> <span class="s1">'JS'</span><span class="p">,</span> <span class="nx">script</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="nx">JS_CLEANER</span><span class="p">,</span> <span class="s1">''</span><span class="p">)</span>
|
||||
<span class="err">@</span><span class="nx">token</span> <span class="s1">'JS'</span><span class="p">,</span> <span class="nx">script</span><span class="p">.</span><span class="nx">replace</span> <span class="nx">JS_CLEANER</span><span class="p">,</span> <span class="s1">''</span>
|
||||
<span class="err">@</span><span class="nv">i: </span><span class="o">+</span> <span class="nx">script</span><span class="p">.</span><span class="nx">length</span>
|
||||
<span class="kc">true</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-15">#</a> </div> <p>Matches regular expression literals. Lexing regular expressions is difficult
|
||||
to distinguish from division, so we borrow some basic heuristics from
|
||||
@@ -111,7 +111,7 @@ borrow interpolation from <code>@interpolate_string</code>.</p> </td
|
||||
<span class="k">return</span> <span class="kc">false</span> <span class="nx">unless</span> <span class="err">@</span><span class="nx">chunk</span><span class="p">.</span><span class="nx">match</span> <span class="nx">REGEX_START</span>
|
||||
<span class="k">return</span> <span class="kc">false</span> <span class="k">if</span> <span class="nx">include</span> <span class="nx">NOT_REGEX</span><span class="p">,</span> <span class="err">@</span><span class="nx">tag</span><span class="p">()</span>
|
||||
<span class="k">return</span> <span class="kc">false</span> <span class="nx">unless</span> <span class="nv">regex: </span><span class="err">@</span><span class="nx">balanced_token</span> <span class="p">[</span><span class="s1">'/'</span><span class="p">,</span> <span class="s1">'/'</span><span class="p">]</span>
|
||||
<span class="nv">regex: </span><span class="o">+</span> <span class="p">(</span><span class="nv">flags: </span><span class="err">@</span><span class="nx">chunk</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="nx">regex</span><span class="p">.</span><span class="nx">length</span><span class="p">).</span><span class="nx">match</span><span class="p">(</span><span class="nx">REGEX_FLAGS</span><span class="p">))</span>
|
||||
<span class="nv">regex: </span><span class="o">+</span> <span class="p">(</span><span class="nv">flags: </span><span class="err">@</span><span class="nx">chunk</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="nx">regex</span><span class="p">.</span><span class="nx">length</span><span class="p">).</span><span class="nx">match</span> <span class="nx">REGEX_FLAGS</span><span class="p">)</span>
|
||||
<span class="k">if</span> <span class="nx">regex</span><span class="p">.</span><span class="nx">match</span> <span class="nx">REGEX_INTERPOLATION</span>
|
||||
<span class="nv">str: </span><span class="nx">regex</span><span class="p">.</span><span class="nx">substring</span><span class="p">(</span><span class="mi">1</span><span class="p">).</span><span class="nx">split</span><span class="p">(</span><span class="s1">'/'</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
|
||||
<span class="nv">str: </span><span class="nx">str</span><span class="p">.</span><span class="nx">replace</span> <span class="nx">REGEX_ESCAPE</span><span class="p">,</span> <span class="p">(</span><span class="nx">escaped</span><span class="p">)</span> <span class="o">-></span> <span class="s1">'\\'</span> <span class="o">+</span> <span class="nx">escaped</span>
|
||||
@@ -127,7 +127,7 @@ balanced (ie. strings, JS literals).</p> </td> <td class
|
||||
so they're treated as real tokens, like any other part of the language.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">comment_token: </span><span class="o">-></span>
|
||||
<span class="k">return</span> <span class="kc">false</span> <span class="nx">unless</span> <span class="nv">comment: </span><span class="err">@</span><span class="nx">match</span> <span class="nx">COMMENT</span><span class="p">,</span> <span class="mi">1</span>
|
||||
<span class="err">@</span><span class="nv">line: </span><span class="o">+</span> <span class="p">(</span><span class="nx">comment</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">MULTILINER</span><span class="p">)</span> <span class="o">or</span> <span class="p">[]).</span><span class="nx">length</span>
|
||||
<span class="nv">lines: </span><span class="nx">compact</span> <span class="nx">comment</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="nx">COMMENT_CLEANER</span><span class="p">,</span> <span class="s1">''</span><span class="p">).</span><span class="nx">split</span><span class="p">(</span><span class="nx">MULTILINER</span><span class="p">)</span>
|
||||
<span class="nv">lines: </span><span class="nx">compact</span> <span class="nx">comment</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="nx">COMMENT_CLEANER</span><span class="p">,</span> <span class="s1">''</span><span class="p">).</span><span class="nx">split</span> <span class="nx">MULTILINER</span>
|
||||
<span class="nv">i: </span><span class="err">@</span><span class="nx">tokens</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span>
|
||||
<span class="k">if</span> <span class="err">@</span><span class="nx">unfinished</span><span class="p">()</span>
|
||||
<span class="nv">i: </span><span class="o">-</span> <span class="mi">1</span> <span class="k">while</span> <span class="err">@</span><span class="nx">tokens</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">include</span> <span class="nx">LINE_BREAK</span><span class="p">,</span> <span class="err">@</span><span class="nx">tokens</span><span class="p">[</span><span class="nx">i</span><span class="p">][</span><span class="mi">0</span><span class="p">]</span>
|
||||
@@ -153,7 +153,7 @@ can close multiple indents, so we need to know how far in we happen to be.</p>
|
||||
<span class="nv">no_newlines: </span><span class="nx">next_character</span> <span class="o">is</span> <span class="s1">'.'</span> <span class="o">or</span> <span class="err">@</span><span class="nx">unfinished</span><span class="p">()</span>
|
||||
<span class="k">if</span> <span class="nx">size</span> <span class="o">is</span> <span class="err">@</span><span class="nx">indent</span>
|
||||
<span class="k">return</span> <span class="err">@</span><span class="nx">suppress_newlines</span><span class="p">()</span> <span class="k">if</span> <span class="nx">no_newlines</span>
|
||||
<span class="k">return</span> <span class="err">@</span><span class="nx">newline_token</span><span class="p">(</span><span class="nx">indent</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="err">@</span><span class="nx">newline_token</span> <span class="nx">indent</span>
|
||||
<span class="k">else</span> <span class="k">if</span> <span class="nx">size</span> <span class="o">></span> <span class="err">@</span><span class="nx">indent</span>
|
||||
<span class="k">return</span> <span class="err">@</span><span class="nx">suppress_newlines</span><span class="p">()</span> <span class="k">if</span> <span class="nx">no_newlines</span>
|
||||
<span class="nv">diff: </span><span class="nx">size</span> <span class="o">-</span> <span class="err">@</span><span class="nx">indent</span>
|
||||
@@ -185,14 +185,14 @@ Multi-character operators are also literal tokens, so that Jison can assign
|
||||
the proper order of operations. There are some symbols that we tag specially
|
||||
here. <code>;</code> and newlines are both treated as a <code>TERMINATOR</code>, we distinguish
|
||||
parentheses that indicate a method call from regular parentheses, and so on.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">literal_token: </span><span class="o">-></span>
|
||||
<span class="nv">match: </span><span class="err">@</span><span class="nx">chunk</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">OPERATOR</span><span class="p">)</span>
|
||||
<span class="nv">match: </span><span class="err">@</span><span class="nx">chunk</span><span class="p">.</span><span class="nx">match</span> <span class="nx">OPERATOR</span>
|
||||
<span class="nv">value: </span><span class="nx">match</span> <span class="o">and</span> <span class="nx">match</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
|
||||
<span class="nv">space: </span><span class="nx">match</span> <span class="o">and</span> <span class="nx">match</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span>
|
||||
<span class="err">@</span><span class="nx">tag_parameters</span><span class="p">()</span> <span class="k">if</span> <span class="nx">value</span> <span class="o">and</span> <span class="nx">value</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">CODE</span><span class="p">)</span>
|
||||
<span class="nv">value: </span><span class="o">or</span> <span class="err">@</span><span class="nx">chunk</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
|
||||
<span class="err">@</span><span class="nx">tag_parameters</span><span class="p">()</span> <span class="k">if</span> <span class="nx">value</span> <span class="o">and</span> <span class="nx">value</span><span class="p">.</span><span class="nx">match</span> <span class="nx">CODE</span>
|
||||
<span class="nv">value: </span><span class="o">or</span> <span class="err">@</span><span class="nx">chunk</span><span class="p">.</span><span class="nx">substr</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">1</span>
|
||||
<span class="nv">prev_spaced: </span><span class="err">@</span><span class="nx">prev</span><span class="p">()</span> <span class="o">and</span> <span class="err">@</span><span class="nx">prev</span><span class="p">().</span><span class="nx">spaced</span>
|
||||
<span class="nv">tag: </span><span class="nx">value</span>
|
||||
<span class="k">if</span> <span class="nx">value</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">ASSIGNMENT</span><span class="p">)</span>
|
||||
<span class="k">if</span> <span class="nx">value</span><span class="p">.</span><span class="nx">match</span> <span class="nx">ASSIGNMENT</span>
|
||||
<span class="nv">tag: </span><span class="s1">'ASSIGN'</span>
|
||||
<span class="err">@</span><span class="nx">assignment_error</span><span class="p">()</span> <span class="k">if</span> <span class="nx">include</span> <span class="nx">JS_FORBIDDEN</span><span class="p">,</span> <span class="err">@</span><span class="nx">value</span>
|
||||
<span class="k">else</span> <span class="k">if</span> <span class="nx">value</span> <span class="o">is</span> <span class="s1">';'</span>
|
||||
@@ -208,7 +208,7 @@ parentheses that indicate a method call from regular parentheses, and so on.</p>
|
||||
<span class="nv">tag: </span><span class="s1">'CALL_START'</span> <span class="k">if</span> <span class="nx">value</span> <span class="o">is</span> <span class="s1">'('</span>
|
||||
<span class="nv">tag: </span><span class="s1">'INDEX_START'</span> <span class="k">if</span> <span class="nx">value</span> <span class="o">is</span> <span class="s1">'['</span>
|
||||
<span class="err">@</span><span class="nv">i: </span><span class="o">+</span> <span class="nx">value</span><span class="p">.</span><span class="nx">length</span>
|
||||
<span class="k">return</span> <span class="err">@</span><span class="nx">tag_half_assignment</span><span class="p">(</span><span class="nx">tag</span><span class="p">)</span> <span class="k">if</span> <span class="nx">space</span> <span class="o">and</span> <span class="nx">prev_spaced</span> <span class="o">and</span> <span class="err">@</span><span class="nx">prev</span><span class="p">()[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">'ASSIGN'</span> <span class="o">and</span> <span class="nx">include</span> <span class="nx">HALF_ASSIGNMENTS</span><span class="p">,</span> <span class="nx">tag</span>
|
||||
<span class="k">return</span> <span class="err">@</span><span class="nx">tag_half_assignment</span> <span class="nx">tag</span> <span class="k">if</span> <span class="nx">space</span> <span class="o">and</span> <span class="nx">prev_spaced</span> <span class="o">and</span> <span class="err">@</span><span class="nx">prev</span><span class="p">()[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">'ASSIGN'</span> <span class="o">and</span> <span class="nx">include</span> <span class="nx">HALF_ASSIGNMENTS</span><span class="p">,</span> <span class="nx">tag</span>
|
||||
<span class="err">@</span><span class="nx">token</span> <span class="nx">tag</span><span class="p">,</span> <span class="nx">value</span>
|
||||
<span class="kc">true</span></pre></div> </td> </tr> <tr id="section-24"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-24">#</a> </div> <h2>Token Manipulators</h2> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-25"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-25">#</a> </div> <p>As we consume a new <code>IDENTIFIER</code>, look at the previous token to determine
|
||||
if it's a special kind of accessor.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">name_access_type: </span><span class="o">-></span>
|
||||
@@ -233,14 +233,14 @@ parameters specially in order to make things easier for the parser.</p>
|
||||
<span class="nv">i: </span><span class="mi">0</span>
|
||||
<span class="k">while</span> <span class="kc">true</span>
|
||||
<span class="nv">i: </span><span class="o">+</span> <span class="mi">1</span>
|
||||
<span class="nv">tok: </span><span class="err">@</span><span class="nx">prev</span><span class="p">(</span><span class="nx">i</span><span class="p">)</span>
|
||||
<span class="nv">tok: </span><span class="err">@</span><span class="nx">prev</span> <span class="nx">i</span>
|
||||
<span class="k">return</span> <span class="k">if</span> <span class="o">not</span> <span class="nx">tok</span>
|
||||
<span class="k">switch</span> <span class="nx">tok</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
<span class="k">when</span> <span class="s1">'IDENTIFIER'</span> <span class="k">then</span> <span class="nx">tok</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">:</span> <span class="s1">'PARAM'</span>
|
||||
<span class="k">when</span> <span class="s1">')'</span> <span class="k">then</span> <span class="nx">tok</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">:</span> <span class="s1">'PARAM_END'</span>
|
||||
<span class="k">when</span> <span class="s1">'('</span> <span class="k">then</span> <span class="k">return</span> <span class="nx">tok</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">:</span> <span class="s1">'PARAM_START'</span>
|
||||
<span class="kc">true</span></pre></div> </td> </tr> <tr id="section-29"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-29">#</a> </div> <p>Close up all remaining open blocks at the end of the file.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">close_indentation: </span><span class="o">-></span>
|
||||
<span class="err">@</span><span class="nx">outdent_token</span><span class="p">(</span><span class="err">@</span><span class="nx">indent</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-30"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-30">#</a> </div> <p>The error for when you try to use a forbidden word in JavaScript as
|
||||
<span class="err">@</span><span class="nx">outdent_token</span> <span class="err">@</span><span class="nx">indent</span></pre></div> </td> </tr> <tr id="section-30"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-30">#</a> </div> <p>The error for when you try to use a forbidden word in JavaScript as
|
||||
an identifier.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">identifier_error: </span><span class="p">(</span><span class="nx">word</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span> <span class="s2">"SyntaxError: Reserved word \"$word\" on line ${@line + 1}"</span></pre></div> </td> </tr> <tr id="section-31"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-31">#</a> </div> <p>The error for when you try to assign to a reserved word in JavaScript,
|
||||
like "function" or "default".</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">assignment_error: </span><span class="o">-></span>
|
||||
@@ -260,7 +260,7 @@ token stream.</p> </td> <td class="code">
|
||||
<span class="k">else</span>
|
||||
<span class="nv">lexer: </span> <span class="k">new</span> <span class="nx">Lexer</span><span class="p">()</span>
|
||||
<span class="nv">tokens: </span> <span class="p">[]</span>
|
||||
<span class="nv">quote: </span> <span class="nx">str</span><span class="p">.</span><span class="nx">substring</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
|
||||
<span class="nv">quote: </span> <span class="nx">str</span><span class="p">.</span><span class="nx">substring</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">1</span>
|
||||
<span class="p">[</span><span class="nx">i</span><span class="p">,</span> <span class="nx">pi</span><span class="p">]</span><span class="o">:</span> <span class="p">[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">]</span>
|
||||
<span class="k">while</span> <span class="nx">i</span> <span class="o"><</span> <span class="nx">str</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span>
|
||||
<span class="k">if</span> <span class="nx">starts</span> <span class="nx">str</span><span class="p">,</span> <span class="s1">'\\'</span><span class="p">,</span> <span class="nx">i</span>
|
||||
@@ -297,20 +297,20 @@ token stream.</p> </td> <td class="code">
|
||||
<span class="err">@</span><span class="nx">token</span> <span class="nx">tag</span><span class="p">,</span> <span class="nx">value</span>
|
||||
<span class="err">@</span><span class="nx">token</span> <span class="s1">'+'</span><span class="p">,</span> <span class="s1">'+'</span> <span class="k">if</span> <span class="nx">i</span> <span class="o"><</span> <span class="nx">tokens</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span>
|
||||
<span class="nx">tokens</span></pre></div> </td> </tr> <tr id="section-33"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-33">#</a> </div> <h2>Helpers</h2> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-34"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-34">#</a> </div> <p>Add a token to the results, taking note of the line number.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">token: </span><span class="p">(</span><span class="nx">tag</span><span class="p">,</span> <span class="nx">value</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nx">tokens</span><span class="p">.</span><span class="nx">push</span><span class="p">([</span><span class="nx">tag</span><span class="p">,</span> <span class="nx">value</span><span class="p">,</span> <span class="err">@</span><span class="nx">line</span><span class="p">])</span></pre></div> </td> </tr> <tr id="section-35"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-35">#</a> </div> <p>Peek at a tag in the current token stream.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">tag: </span><span class="p">(</span><span class="nx">index</span><span class="p">,</span> <span class="nx">tag</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="k">return</span> <span class="nx">unless</span> <span class="nv">tok: </span><span class="err">@</span><span class="nx">prev</span><span class="p">(</span><span class="nx">index</span><span class="p">)</span>
|
||||
<span class="err">@</span><span class="nx">tokens</span><span class="p">.</span><span class="nx">push</span> <span class="p">[</span><span class="nx">tag</span><span class="p">,</span> <span class="nx">value</span><span class="p">,</span> <span class="err">@</span><span class="nx">line</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-35"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-35">#</a> </div> <p>Peek at a tag in the current token stream.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">tag: </span><span class="p">(</span><span class="nx">index</span><span class="p">,</span> <span class="nx">tag</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="k">return</span> <span class="nx">unless</span> <span class="nv">tok: </span><span class="err">@</span><span class="nx">prev</span> <span class="nx">index</span>
|
||||
<span class="k">return</span> <span class="nx">tok</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">:</span> <span class="nx">tag</span> <span class="k">if</span> <span class="nx">tag</span><span class="o">?</span>
|
||||
<span class="nx">tok</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-36"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-36">#</a> </div> <p>Peek at a value in the current token stream.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">value: </span><span class="p">(</span><span class="nx">index</span><span class="p">,</span> <span class="nx">val</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="k">return</span> <span class="nx">unless</span> <span class="nv">tok: </span><span class="err">@</span><span class="nx">prev</span><span class="p">(</span><span class="nx">index</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="nx">unless</span> <span class="nv">tok: </span><span class="err">@</span><span class="nx">prev</span> <span class="nx">index</span>
|
||||
<span class="k">return</span> <span class="nx">tok</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">:</span> <span class="nx">val</span> <span class="k">if</span> <span class="nx">val</span><span class="o">?</span>
|
||||
<span class="nx">tok</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-37"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-37">#</a> </div> <p>Peek at a previous token, entire.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">prev: </span><span class="p">(</span><span class="nx">index</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nx">tokens</span><span class="p">[</span><span class="err">@</span><span class="nx">tokens</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="p">(</span><span class="nx">index</span> <span class="o">or</span> <span class="mi">1</span><span class="p">)]</span></pre></div> </td> </tr> <tr id="section-38"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-38">#</a> </div> <p>Attempt to match a string against the current chunk, returning the indexed
|
||||
match if successful, and <code>false</code> otherwise.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">match: </span><span class="p">(</span><span class="nx">regex</span><span class="p">,</span> <span class="nx">index</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="k">return</span> <span class="kc">false</span> <span class="nx">unless</span> <span class="nv">m: </span><span class="err">@</span><span class="nx">chunk</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">regex</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="kc">false</span> <span class="nx">unless</span> <span class="nv">m: </span><span class="err">@</span><span class="nx">chunk</span><span class="p">.</span><span class="nx">match</span> <span class="nx">regex</span>
|
||||
<span class="k">if</span> <span class="nx">m</span> <span class="k">then</span> <span class="nx">m</span><span class="p">[</span><span class="nx">index</span><span class="p">]</span> <span class="k">else</span> <span class="kc">false</span></pre></div> </td> </tr> <tr id="section-39"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-39">#</a> </div> <p>Are we in the midst of an unfinished expression?</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">unfinished: </span><span class="o">-></span>
|
||||
<span class="nv">prev: </span><span class="err">@</span><span class="nx">prev</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span>
|
||||
<span class="err">@</span><span class="nx">value</span><span class="p">()</span> <span class="o">and</span> <span class="err">@</span><span class="nx">value</span><span class="p">().</span><span class="nx">match</span> <span class="o">and</span> <span class="err">@</span><span class="nx">value</span><span class="p">().</span><span class="nx">match</span><span class="p">(</span><span class="nx">NO_NEWLINE</span><span class="p">)</span> <span class="o">and</span>
|
||||
<span class="nx">prev</span> <span class="o">and</span> <span class="p">(</span><span class="nx">prev</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">isnt</span> <span class="s1">'.'</span><span class="p">)</span> <span class="o">and</span> <span class="o">not</span> <span class="err">@</span><span class="nx">value</span><span class="p">().</span><span class="nx">match</span><span class="p">(</span><span class="nx">CODE</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-40"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-40">#</a> </div> <p>There are no exensions to the core lexer by default.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">Lexer.extensions: </span><span class="p">[]</span></pre></div> </td> </tr> <tr id="section-41"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-41">#</a> </div> <h2>Constants</h2> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-42"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-42">#</a> </div> <p>Keywords that CoffeeScript shares in common with JavaScript.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">JS_KEYWORDS: </span><span class="p">[</span>
|
||||
<span class="nx">prev</span> <span class="o">and</span> <span class="p">(</span><span class="nx">prev</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">isnt</span> <span class="s1">'.'</span><span class="p">)</span> <span class="o">and</span> <span class="o">not</span> <span class="err">@</span><span class="nx">value</span><span class="p">().</span><span class="nx">match</span><span class="p">(</span><span class="nx">CODE</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-40"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-40">#</a> </div> <h2>Lexer Properties</h2> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-41"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-41">#</a> </div> <p>There are no exensions to the core lexer by default.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="err">@</span><span class="nv">extensions: </span><span class="p">[]</span></pre></div> </td> </tr> <tr id="section-42"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-42">#</a> </div> <h2>Constants</h2> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-43"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-43">#</a> </div> <p>Keywords that CoffeeScript shares in common with JavaScript.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">JS_KEYWORDS: </span><span class="p">[</span>
|
||||
<span class="s2">"if"</span><span class="p">,</span> <span class="s2">"else"</span><span class="p">,</span>
|
||||
<span class="s2">"true"</span><span class="p">,</span> <span class="s2">"false"</span><span class="p">,</span>
|
||||
<span class="s2">"new"</span><span class="p">,</span> <span class="s2">"return"</span><span class="p">,</span>
|
||||
@@ -320,21 +320,20 @@ match if successful, and <code>false</code> otherwise.</p> </td>
|
||||
<span class="s2">"delete"</span><span class="p">,</span> <span class="s2">"instanceof"</span><span class="p">,</span> <span class="s2">"typeof"</span><span class="p">,</span>
|
||||
<span class="s2">"switch"</span><span class="p">,</span> <span class="s2">"super"</span><span class="p">,</span> <span class="s2">"extends"</span><span class="p">,</span> <span class="s2">"class"</span><span class="p">,</span>
|
||||
<span class="s2">"this"</span><span class="p">,</span> <span class="s2">"null"</span>
|
||||
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-43"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-43">#</a> </div> <p>CoffeeScript-only keywords, which we're more relaxed about allowing. They can't
|
||||
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-44"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-44">#</a> </div> <p>CoffeeScript-only keywords, which we're more relaxed about allowing. They can't
|
||||
be used standalone, but you can reference them as an attached property.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">COFFEE_ALIASES: </span> <span class="p">[</span><span class="s2">"and"</span><span class="p">,</span> <span class="s2">"or"</span><span class="p">,</span> <span class="s2">"is"</span><span class="p">,</span> <span class="s2">"isnt"</span><span class="p">,</span> <span class="s2">"not"</span><span class="p">]</span>
|
||||
<span class="nv">COFFEE_KEYWORDS: </span><span class="nx">COFFEE_ALIASES</span><span class="p">.</span><span class="nx">concat</span> <span class="p">[</span>
|
||||
<span class="s2">"then"</span><span class="p">,</span> <span class="s2">"unless"</span><span class="p">,</span>
|
||||
<span class="s2">"yes"</span><span class="p">,</span> <span class="s2">"no"</span><span class="p">,</span> <span class="s2">"on"</span><span class="p">,</span> <span class="s2">"off"</span><span class="p">,</span>
|
||||
<span class="s2">"of"</span><span class="p">,</span> <span class="s2">"by"</span><span class="p">,</span> <span class="s2">"where"</span><span class="p">,</span> <span class="s2">"when"</span>
|
||||
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-44"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-44">#</a> </div> <p>The combined list of keywords is the superset that gets passed verbatim to
|
||||
the parser.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">KEYWORDS: </span><span class="nx">JS_KEYWORDS</span><span class="p">.</span><span class="nx">concat</span> <span class="nx">COFFEE_KEYWORDS</span></pre></div> </td> </tr> <tr id="section-45"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-45">#</a> </div> <p>The list of keywords that are reserved by JavaScript, but not used, or are
|
||||
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-45"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-45">#</a> </div> <p>The combined list of keywords is the superset that gets passed verbatim to
|
||||
the parser.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">KEYWORDS: </span><span class="nx">JS_KEYWORDS</span><span class="p">.</span><span class="nx">concat</span> <span class="nx">COFFEE_KEYWORDS</span></pre></div> </td> </tr> <tr id="section-46"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-46">#</a> </div> <p>The list of keywords that are reserved by JavaScript, but not used, or are
|
||||
used by CoffeeScript internally. We throw an error when these are encountered,
|
||||
to avoid having a JavaScript error at runtime.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">RESERVED: </span><span class="p">[</span>
|
||||
<span class="s2">"case"</span><span class="p">,</span> <span class="s2">"default"</span><span class="p">,</span> <span class="s2">"do"</span><span class="p">,</span> <span class="s2">"function"</span><span class="p">,</span> <span class="s2">"var"</span><span class="p">,</span> <span class="s2">"void"</span><span class="p">,</span> <span class="s2">"with"</span>
|
||||
<span class="s2">"const"</span><span class="p">,</span> <span class="s2">"let"</span><span class="p">,</span> <span class="s2">"debugger"</span><span class="p">,</span> <span class="s2">"enum"</span><span class="p">,</span> <span class="s2">"export"</span><span class="p">,</span> <span class="s2">"import"</span><span class="p">,</span> <span class="s2">"native"</span><span class="p">,</span>
|
||||
<span class="s2">"__extends"</span><span class="p">,</span> <span class="s2">"__hasProp"</span>
|
||||
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-46"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-46">#</a> </div> <p>The superset of both JavaScript keywords and reserved words, none of which may
|
||||
be used as identifiers or properties.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">JS_FORBIDDEN: </span><span class="nx">JS_KEYWORDS</span><span class="p">.</span><span class="nx">concat</span> <span class="nx">RESERVED</span></pre></div> </td> </tr> <tr id="section-47"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-47">#</a> </div> <p>Token matching regexes.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">IDENTIFIER</span> <span class="o">:</span> <span class="sr">/^([a-zA-Z\$_](\w|\$)*)/</span>
|
||||
<span class="s2">"const"</span><span class="p">,</span> <span class="s2">"let"</span><span class="p">,</span> <span class="s2">"debugger"</span><span class="p">,</span> <span class="s2">"enum"</span><span class="p">,</span> <span class="s2">"export"</span><span class="p">,</span> <span class="s2">"import"</span><span class="p">,</span> <span class="s2">"native"</span>
|
||||
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-47"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-47">#</a> </div> <p>The superset of both JavaScript keywords and reserved words, none of which may
|
||||
be used as identifiers or properties.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">JS_FORBIDDEN: </span><span class="nx">JS_KEYWORDS</span><span class="p">.</span><span class="nx">concat</span> <span class="nx">RESERVED</span></pre></div> </td> </tr> <tr id="section-48"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-48">#</a> </div> <p>Token matching regexes.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">IDENTIFIER</span> <span class="o">:</span> <span class="sr">/^([a-zA-Z\$_](\w|\$)*)/</span>
|
||||
<span class="nx">NUMBER</span> <span class="o">:</span> <span class="sr">/^(\b((0(x|X)[0-9a-fA-F]+)|([0-9]+(\.[0-9]+)?(e[+\-]?[0-9]+)?)))\b/i</span>
|
||||
<span class="nx">HEREDOC</span> <span class="o">:</span> <span class="sr">/^("{6}|'{6}|"{3}\n?([\s\S]*?)\n?([ \t]*)"{3}|'{3}\n?([\s\S]*?)\n?([ \t]*)'{3})/</span>
|
||||
<span class="nx">INTERPOLATION</span> <span class="o">:</span> <span class="sr">/^\$([a-zA-Z_@]\w*(\.\w+)*)/</span>
|
||||
@@ -345,27 +344,27 @@ be used as identifiers or properties.</p> </td> <td clas
|
||||
<span class="nx">MULTI_DENT</span> <span class="o">:</span> <span class="sr">/^((\n([ \t]*))+)(\.)?/</span>
|
||||
<span class="nx">LAST_DENTS</span> <span class="o">:</span> <span class="sr">/\n([ \t]*)/g</span>
|
||||
<span class="nx">LAST_DENT</span> <span class="o">:</span> <span class="sr">/\n([ \t]*)/</span>
|
||||
<span class="nx">ASSIGNMENT</span> <span class="o">:</span> <span class="sr">/^(:|=)$/</span></pre></div> </td> </tr> <tr id="section-48"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-48">#</a> </div> <p>Regex-matching-regexes.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">REGEX_START</span> <span class="o">:</span> <span class="sr">/^\/[^\/ ]/</span>
|
||||
<span class="nx">ASSIGNMENT</span> <span class="o">:</span> <span class="sr">/^(:|=)$/</span></pre></div> </td> </tr> <tr id="section-49"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-49">#</a> </div> <p>Regex-matching-regexes.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">REGEX_START</span> <span class="o">:</span> <span class="sr">/^\/[^\/ ]/</span>
|
||||
<span class="nv">REGEX_INTERPOLATION: </span><span class="sr">/([^\\]\$[a-zA-Z_@]|[^\\]\$\{.*[^\\]\})/</span>
|
||||
<span class="nx">REGEX_FLAGS</span> <span class="o">:</span> <span class="sr">/^[imgy]{0,4}/</span>
|
||||
<span class="nx">REGEX_ESCAPE</span> <span class="o">:</span> <span class="sr">/\\[^\$]/g</span></pre></div> </td> </tr> <tr id="section-49"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-49">#</a> </div> <p>Token cleaning regexes.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">JS_CLEANER</span> <span class="o">:</span> <span class="sr">/(^`|`$)/g</span>
|
||||
<span class="nx">REGEX_ESCAPE</span> <span class="o">:</span> <span class="sr">/\\[^\$]/g</span></pre></div> </td> </tr> <tr id="section-50"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-50">#</a> </div> <p>Token cleaning regexes.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">JS_CLEANER</span> <span class="o">:</span> <span class="sr">/(^`|`$)/g</span>
|
||||
<span class="nx">MULTILINER</span> <span class="o">:</span> <span class="sr">/\n/g</span>
|
||||
<span class="nx">STRING_NEWLINES</span> <span class="o">:</span> <span class="sr">/\n[ \t]*/g</span>
|
||||
<span class="nx">COMMENT_CLEANER</span> <span class="o">:</span> <span class="sr">/(^[ \t]*#|\n[ \t]*$)/mg</span>
|
||||
<span class="nx">NO_NEWLINE</span> <span class="o">:</span> <span class="sr">/^([+\*&|\/\-%=<>:!.\\][<>=&|]*|and|or|is|isnt|not|delete|typeof|instanceof)$/</span>
|
||||
<span class="nx">HEREDOC_INDENT</span> <span class="o">:</span> <span class="sr">/^[ \t]+/mg</span></pre></div> </td> </tr> <tr id="section-50"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-50">#</a> </div> <p>Tokens which a regular expression will never immediately follow, but which
|
||||
<span class="nx">HEREDOC_INDENT</span> <span class="o">:</span> <span class="sr">/^[ \t]+/mg</span></pre></div> </td> </tr> <tr id="section-51"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-51">#</a> </div> <p>Tokens which a regular expression will never immediately follow, but which
|
||||
a division operator might.</p>
|
||||
|
||||
<p>See: <a href='http://www.mozilla.org/js/language/js20-2002-04/rationale/syntax.html#regular-expressions'>http://www.mozilla.org/js/language/js20-2002-04/rationale/syntax.html#regular-expressions</a></p>
|
||||
|
||||
<p>Our list is shorter, due to sans-parentheses method calls.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">NOT_REGEX: </span><span class="p">[</span>
|
||||
<span class="s1">'NUMBER'</span><span class="p">,</span> <span class="s1">'REGEX'</span><span class="p">,</span> <span class="s1">'++'</span><span class="p">,</span> <span class="s1">'--'</span><span class="p">,</span> <span class="s1">'FALSE'</span><span class="p">,</span> <span class="s1">'NULL'</span><span class="p">,</span> <span class="s1">'TRUE'</span>
|
||||
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-51"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-51">#</a> </div> <p>Tokens which could legitimately be invoked or indexed. A opening
|
||||
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-52"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-52">#</a> </div> <p>Tokens which could legitimately be invoked or indexed. A opening
|
||||
parentheses or bracket following these tokens will be recorded as the start
|
||||
of a function invocation or indexing operation.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">CALLABLE: </span><span class="p">[</span><span class="s1">'IDENTIFIER'</span><span class="p">,</span> <span class="s1">'SUPER'</span><span class="p">,</span> <span class="s1">')'</span><span class="p">,</span> <span class="s1">']'</span><span class="p">,</span> <span class="s1">'}'</span><span class="p">,</span> <span class="s1">'STRING'</span><span class="p">,</span> <span class="s1">'@'</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-52"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-52">#</a> </div> <p>Tokens that indicate an access -- keywords immediately following will be
|
||||
treated as identifiers.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">ACCESSORS: </span><span class="p">[</span><span class="s1">'PROPERTY_ACCESS'</span><span class="p">,</span> <span class="s1">'PROTOTYPE_ACCESS'</span><span class="p">,</span> <span class="s1">'SOAK_ACCESS'</span><span class="p">,</span> <span class="s1">'@'</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-53"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-53">#</a> </div> <p>Tokens that, when immediately preceding a <code>WHEN</code>, indicate that the <code>WHEN</code>
|
||||
of a function invocation or indexing operation.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">CALLABLE: </span><span class="p">[</span><span class="s1">'IDENTIFIER'</span><span class="p">,</span> <span class="s1">'SUPER'</span><span class="p">,</span> <span class="s1">')'</span><span class="p">,</span> <span class="s1">']'</span><span class="p">,</span> <span class="s1">'}'</span><span class="p">,</span> <span class="s1">'STRING'</span><span class="p">,</span> <span class="s1">'@'</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-53"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-53">#</a> </div> <p>Tokens that indicate an access -- keywords immediately following will be
|
||||
treated as identifiers.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">ACCESSORS: </span><span class="p">[</span><span class="s1">'PROPERTY_ACCESS'</span><span class="p">,</span> <span class="s1">'PROTOTYPE_ACCESS'</span><span class="p">,</span> <span class="s1">'SOAK_ACCESS'</span><span class="p">,</span> <span class="s1">'@'</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-54"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-54">#</a> </div> <p>Tokens that, when immediately preceding a <code>WHEN</code>, indicate that the <code>WHEN</code>
|
||||
occurs at the start of a line. We disambiguate these from trailing whens to
|
||||
avoid an ambiguity in the grammar.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">LINE_BREAK: </span><span class="p">[</span><span class="s1">'INDENT'</span><span class="p">,</span> <span class="s1">'OUTDENT'</span><span class="p">,</span> <span class="s1">'TERMINATOR'</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-54"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-54">#</a> </div> <p>Half-assignments...</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">HALF_ASSIGNMENTS: </span><span class="p">[</span><span class="s1">'-'</span><span class="p">,</span> <span class="s1">'+'</span><span class="p">,</span> <span class="s1">'/'</span><span class="p">,</span> <span class="s1">'*'</span><span class="p">,</span> <span class="s1">'%'</span><span class="p">,</span> <span class="s1">'||'</span><span class="p">,</span> <span class="s1">'&&'</span><span class="p">,</span> <span class="s1">'?'</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-55"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-55">#</a> </div> <p>Conversions from CoffeeScript operators into JavaScript ones.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">CONVERSIONS: </span><span class="p">{</span>
|
||||
avoid an ambiguity in the grammar.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">LINE_BREAK: </span><span class="p">[</span><span class="s1">'INDENT'</span><span class="p">,</span> <span class="s1">'OUTDENT'</span><span class="p">,</span> <span class="s1">'TERMINATOR'</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-55"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-55">#</a> </div> <p>Half-assignments...</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">HALF_ASSIGNMENTS: </span><span class="p">[</span><span class="s1">'-'</span><span class="p">,</span> <span class="s1">'+'</span><span class="p">,</span> <span class="s1">'/'</span><span class="p">,</span> <span class="s1">'*'</span><span class="p">,</span> <span class="s1">'%'</span><span class="p">,</span> <span class="s1">'||'</span><span class="p">,</span> <span class="s1">'&&'</span><span class="p">,</span> <span class="s1">'?'</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-56"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-56">#</a> </div> <p>Conversions from CoffeeScript operators into JavaScript ones.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">CONVERSIONS: </span><span class="p">{</span>
|
||||
<span class="s1">'and'</span><span class="o">:</span> <span class="s1">'&&'</span>
|
||||
<span class="s1">'or'</span><span class="o">:</span> <span class="s1">'||'</span>
|
||||
<span class="s1">'is'</span><span class="o">:</span> <span class="s1">'=='</span>
|
||||
|
||||
@@ -2,13 +2,13 @@
|
||||
nodes are created as the result of actions in the <a href="grammar.html">grammar</a>,
|
||||
but some are created by other nodes as a method of code generation. To convert
|
||||
the syntax tree into a string of JavaScript code, call <code>compile()</code> on the root.</p> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-2">#</a> </div> <p>Set up for both <strong>Node.js</strong> and the browser, by
|
||||
including the <a href="scope.html">Scope</a> class.</p> </td> <td class="code"> <div class="highlight"><pre><span class="k">if</span> <span class="nx">process</span><span class="o">?</span>
|
||||
including the <a href="scope.html">Scope</a> class and the <a href="helpers.html">helper</a> functions.</p> </td> <td class="code"> <div class="highlight"><pre><span class="k">if</span> <span class="nx">process</span><span class="o">?</span>
|
||||
<span class="nv">Scope: </span> <span class="nx">require</span><span class="p">(</span><span class="s1">'./scope'</span><span class="p">).</span><span class="nx">Scope</span>
|
||||
<span class="nv">helpers: </span><span class="nx">require</span><span class="p">(</span><span class="s1">'./helpers'</span><span class="p">).</span><span class="nx">helpers</span>
|
||||
<span class="k">else</span>
|
||||
<span class="k">this</span><span class="p">.</span><span class="nv">exports: </span><span class="k">this</span>
|
||||
<span class="nv">helpers: </span> <span class="k">this</span><span class="p">.</span><span class="nx">helpers</span>
|
||||
<span class="nv">Scope: </span> <span class="k">this</span><span class="p">.</span><span class="nx">Scope</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-3">#</a> </div> <p>Import the helpers we need.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">compact: </span><span class="nx">helpers</span><span class="p">.</span><span class="nx">compact</span>
|
||||
<span class="nv">Scope: </span> <span class="k">this</span><span class="p">.</span><span class="nx">Scope</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-3">#</a> </div> <p>Import the helpers we plan to use.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">compact: </span><span class="nx">helpers</span><span class="p">.</span><span class="nx">compact</span>
|
||||
<span class="nv">flatten: </span><span class="nx">helpers</span><span class="p">.</span><span class="nx">flatten</span>
|
||||
<span class="nv">merge: </span> <span class="nx">helpers</span><span class="p">.</span><span class="nx">merge</span>
|
||||
<span class="nv">del: </span> <span class="nx">helpers</span><span class="p">.</span><span class="nx">del</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-4">#</a> </div> <p>Helper function that marks a node as a JavaScript <em>statement</em>, or as a
|
||||
@@ -72,7 +72,7 @@ a pure statement?</p> </td> <td class="code">
|
||||
<span class="nx">node</span><span class="p">.</span><span class="nx">traverse</span> <span class="nx">block</span> <span class="k">if</span> <span class="nx">node</span><span class="p">.</span><span class="nx">traverse</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-15">#</a> </div> <p><code>toString</code> representation of the node, for inspecting the parse tree.
|
||||
This is what <code>coffee --nodes</code> prints out.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">toString: </span><span class="p">(</span><span class="nx">idt</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nv">idt: </span><span class="o">or</span> <span class="s1">''</span>
|
||||
<span class="s1">'\n'</span> <span class="o">+</span> <span class="nx">idt</span> <span class="o">+</span> <span class="err">@</span><span class="nx">type</span> <span class="o">+</span> <span class="p">(</span><span class="nx">child</span><span class="p">.</span><span class="nx">toString</span><span class="p">(</span><span class="nx">idt</span> <span class="o">+</span> <span class="nx">TAB</span><span class="p">)</span> <span class="k">for</span> <span class="nx">child</span> <span class="k">in</span> <span class="err">@</span><span class="nx">children</span><span class="p">).</span><span class="nx">join</span><span class="p">(</span><span class="s1">''</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-16"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-16">#</a> </div> <p>Default implementations of the common node identification methods. Nodes
|
||||
<span class="s1">'\n'</span> <span class="o">+</span> <span class="nx">idt</span> <span class="o">+</span> <span class="err">@</span><span class="nx">constructor</span><span class="p">.</span><span class="nx">name</span> <span class="o">+</span> <span class="p">(</span><span class="nx">child</span><span class="p">.</span><span class="nx">toString</span><span class="p">(</span><span class="nx">idt</span> <span class="o">+</span> <span class="nx">TAB</span><span class="p">)</span> <span class="k">for</span> <span class="nx">child</span> <span class="k">in</span> <span class="err">@</span><span class="nx">children</span><span class="p">).</span><span class="nx">join</span><span class="p">(</span><span class="s1">''</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-16"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-16">#</a> </div> <p>Default implementations of the common node identification methods. Nodes
|
||||
will override these with custom logic, if needed.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">unwrap: </span> <span class="o">-></span> <span class="k">this</span>
|
||||
<span class="nv">children: </span> <span class="p">[]</span>
|
||||
<span class="nv">is_statement: </span> <span class="o">-></span> <span class="kc">false</span>
|
||||
@@ -80,7 +80,6 @@ will override these with custom logic, if needed.</p> </td>
|
||||
<span class="nv">top_sensitive: </span> <span class="o">-></span> <span class="kc">false</span></pre></div> </td> </tr> <tr id="section-17"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-17">#</a> </div> <h3>Expressions</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-18"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-18">#</a> </div> <p>The expressions body is the list of expressions that forms the body of an
|
||||
indented block of code -- the implementation of a function, a clause in an
|
||||
<code>if</code>, <code>switch</code>, or <code>try</code>, and so on...</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.Expressions: </span><span class="nx">class</span> <span class="nx">Expressions</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Expressions'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">nodes</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span><span class="err">@</span><span class="nv">expressions: </span><span class="nx">compact</span> <span class="nx">flatten</span> <span class="nx">nodes</span> <span class="o">or</span> <span class="p">[]</span></pre></div> </td> </tr> <tr id="section-19"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-19">#</a> </div> <p>Tack an expression on to the end of this expression list.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">push: </span><span class="p">(</span><span class="nx">node</span><span class="p">)</span> <span class="o">-></span>
|
||||
@@ -127,7 +126,6 @@ to be one.</p> </td> <td class="code"> <di
|
||||
<span class="nx">statement</span> <span class="nx">Expressions</span></pre></div> </td> </tr> <tr id="section-30"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-30">#</a> </div> <h3>LiteralNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-31"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-31">#</a> </div> <p>Literals are static values that can be passed through directly into
|
||||
JavaScript without translation, such as: strings, numbers,
|
||||
<code>true</code>, <code>false</code>, <code>null</code>...</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.LiteralNode: </span><span class="nx">class</span> <span class="nx">LiteralNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Literal'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">value</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">value: </span><span class="nx">value</span></pre></div> </td> </tr> <tr id="section-32"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-32">#</a> </div> <p>Break and continue must be treated as pure statements -- they lose their
|
||||
@@ -143,7 +141,6 @@ meaning when wrapped in a closure.</p> </td> <td class="
|
||||
<span class="nv">toString: </span><span class="p">(</span><span class="nx">idt</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="s2">" \"$@value\""</span></pre></div> </td> </tr> <tr id="section-33"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-33">#</a> </div> <h3>ReturnNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-34"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-34">#</a> </div> <p>A <code>return</code> is a <em>pure_statement</em> -- wrapping it in a closure wouldn't
|
||||
make sense.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.ReturnNode: </span><span class="nx">class</span> <span class="nx">ReturnNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Return'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">expression</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span><span class="p">[</span><span class="err">@</span><span class="nv">expression: </span><span class="nx">expression</span><span class="p">]</span>
|
||||
@@ -160,7 +157,6 @@ make sense.</p> </td> <td class="code"> <d
|
||||
|
||||
<span class="nx">statement</span> <span class="nx">ReturnNode</span><span class="p">,</span> <span class="kc">true</span></pre></div> </td> </tr> <tr id="section-35"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-35">#</a> </div> <h3>ValueNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-36"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-36">#</a> </div> <p>A value, variable or literal or parenthesized, indexed or dotted into,
|
||||
or vanilla.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.ValueNode: </span><span class="nx">class</span> <span class="nx">ValueNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Value'</span>
|
||||
|
||||
<span class="nv">SOAK: </span><span class="s2">" == undefined ? undefined : "</span></pre></div> </td> </tr> <tr id="section-37"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-37">#</a> </div> <p>A <strong>ValueNode</strong> has a base and a list of property accesses.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">constructor: </span><span class="p">(</span><span class="nx">base</span><span class="p">,</span> <span class="nx">properties</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span> <span class="nx">flatten</span> <span class="p">[</span><span class="err">@</span><span class="nv">base: </span><span class="nx">base</span><span class="p">,</span> <span class="err">@</span><span class="nv">properties: </span><span class="p">(</span><span class="nx">properties</span> <span class="o">or</span> <span class="p">[])]</span></pre></div> </td> </tr> <tr id="section-38"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-38">#</a> </div> <p>Add a property access to the list.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">push: </span><span class="p">(</span><span class="nx">prop</span><span class="p">)</span> <span class="o">-></span>
|
||||
@@ -211,7 +207,6 @@ evaluate a anything twice when building the soak chain.</p> </td>
|
||||
|
||||
<span class="k">if</span> <span class="nx">op</span> <span class="o">and</span> <span class="nx">soaked</span> <span class="k">then</span> <span class="s2">"($complete)"</span> <span class="k">else</span> <span class="nx">complete</span></pre></div> </td> </tr> <tr id="section-43"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-43">#</a> </div> <h3>CommentNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-44"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-44">#</a> </div> <p>CoffeeScript passes through comments as JavaScript comments at the
|
||||
same position.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.CommentNode: </span><span class="nx">class</span> <span class="nx">CommentNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Comment'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">lines</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">lines: </span><span class="nx">lines</span>
|
||||
@@ -225,7 +220,6 @@ same position.</p> </td> <td class="code">
|
||||
|
||||
<span class="nx">statement</span> <span class="nx">CommentNode</span></pre></div> </td> </tr> <tr id="section-45"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-45">#</a> </div> <h3>CallNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-46"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-46">#</a> </div> <p>Node for a function invocation. Takes care of converting <code>super()</code> calls into
|
||||
calls against the prototype's function of the same name.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.CallNode: </span><span class="nx">class</span> <span class="nx">CallNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Call'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">variable</span><span class="p">,</span> <span class="nx">args</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">is_new: </span> <span class="kc">false</span>
|
||||
@@ -260,9 +254,6 @@ of the current function.</p> </td> <td class="code">
|
||||
<span class="s2">"${@prefix()}${meth}.apply($obj, ${ @compile_splat_arguments(o) })"</span></pre></div> </td> </tr> <tr id="section-51"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-51">#</a> </div> <h3>CurryNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-52"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-52">#</a> </div> <p>Binds a context object and a list of arguments to a function,
|
||||
returning the bound function. After ECMAScript 5, Prototype.js, and
|
||||
Underscore's <code>bind</code> functions.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.CurryNode: </span><span class="nx">class</span> <span class="nx">CurryNode</span> <span class="k">extends</span> <span class="nx">CallNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Curry'</span>
|
||||
|
||||
<span class="nv">body: </span><span class="s1">'func.apply(obj, args.concat(Array.prototype.slice.call(arguments, 0)))'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">meth</span><span class="p">,</span> <span class="nx">args</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span> <span class="nx">flatten</span> <span class="p">[</span><span class="err">@</span><span class="nv">meth: </span><span class="nx">meth</span><span class="p">,</span> <span class="err">@</span><span class="nv">context: </span><span class="nx">args</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="err">@</span><span class="nv">args: </span><span class="p">(</span><span class="nx">args</span><span class="p">.</span><span class="nx">slice</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span> <span class="o">or</span> <span class="p">[])]</span>
|
||||
@@ -274,43 +265,27 @@ Underscore's <code>bind</code> functions.</p> </td> <td
|
||||
<span class="p">(</span><span class="k">new</span> <span class="nx">ArrayNode</span><span class="p">(</span><span class="err">@</span><span class="nx">args</span><span class="p">)).</span><span class="nx">compile</span> <span class="nx">o</span>
|
||||
|
||||
<span class="nv">compile_node: </span><span class="p">(</span><span class="nx">o</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nv">body: </span><span class="nx">Expressions</span><span class="p">.</span><span class="nx">wrap</span><span class="p">([</span><span class="nx">literal</span> <span class="err">@</span><span class="nx">body</span><span class="p">])</span>
|
||||
<span class="nv">curried: </span><span class="k">new</span> <span class="nx">CodeNode</span><span class="p">([],</span> <span class="nx">body</span><span class="p">)</span>
|
||||
<span class="nv">curry: </span><span class="k">new</span> <span class="nx">CodeNode</span><span class="p">([</span><span class="nx">literal</span><span class="p">(</span><span class="s1">'func'</span><span class="p">),</span> <span class="nx">literal</span><span class="p">(</span><span class="s1">'obj'</span><span class="p">),</span> <span class="nx">literal</span><span class="p">(</span><span class="s1">'args'</span><span class="p">)],</span> <span class="nx">Expressions</span><span class="p">.</span><span class="nx">wrap</span><span class="p">([</span><span class="nx">curried</span><span class="p">]))</span>
|
||||
<span class="p">(</span><span class="k">new</span> <span class="nx">ParentheticalNode</span><span class="p">(</span><span class="k">new</span> <span class="nx">CallNode</span><span class="p">(</span><span class="nx">curry</span><span class="p">,</span> <span class="p">[</span><span class="err">@</span><span class="nx">meth</span><span class="p">,</span> <span class="err">@</span><span class="nx">context</span><span class="p">,</span> <span class="nx">literal</span><span class="p">(</span><span class="err">@</span><span class="nx">arguments</span><span class="p">(</span><span class="nx">o</span><span class="p">))]))).</span><span class="nx">compile</span> <span class="nx">o</span></pre></div> </td> </tr> <tr id="section-53"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-53">#</a> </div> <h3>ExtendsNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-54"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-54">#</a> </div> <p>Node to extend an object's prototype with an ancestor object.
|
||||
<span class="nx">utility</span> <span class="s1">'slice'</span>
|
||||
<span class="nv">ref: </span><span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">literal</span> <span class="nx">utility</span> <span class="s1">'bind'</span>
|
||||
<span class="p">(</span><span class="k">new</span> <span class="nx">CallNode</span><span class="p">(</span><span class="nx">ref</span><span class="p">,</span> <span class="p">[</span><span class="err">@</span><span class="nx">meth</span><span class="p">,</span> <span class="err">@</span><span class="nx">context</span><span class="p">,</span> <span class="nx">literal</span><span class="p">(</span><span class="err">@</span><span class="nx">arguments</span><span class="p">(</span><span class="nx">o</span><span class="p">))])).</span><span class="nx">compile</span> <span class="nx">o</span></pre></div> </td> </tr> <tr id="section-53"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-53">#</a> </div> <h3>ExtendsNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-54"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-54">#</a> </div> <p>Node to extend an object's prototype with an ancestor object.
|
||||
After <code>goog.inherits</code> from the
|
||||
<a href="http://closure-library.googlecode.com/svn/docs/closure_goog_base.js.html">Closure Library</a>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.ExtendsNode: </span><span class="nx">class</span> <span class="nx">ExtendsNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Extends'</span>
|
||||
|
||||
<span class="nv">code: </span><span class="s1">'''</span>
|
||||
<span class="s1"> function(child, parent) {</span>
|
||||
<span class="s1"> var ctor = function(){ };</span>
|
||||
<span class="s1"> ctor.prototype = parent.prototype;</span>
|
||||
<span class="s1"> child.__superClass__ = parent.prototype;</span>
|
||||
<span class="s1"> child.prototype = new ctor();</span>
|
||||
<span class="s1"> child.prototype.constructor = child;</span>
|
||||
<span class="s1"> }</span>
|
||||
<span class="s1"> '''</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">child</span><span class="p">,</span> <span class="nx">parent</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span> <span class="p">[</span><span class="err">@</span><span class="nv">child: </span><span class="nx">child</span><span class="p">,</span> <span class="err">@</span><span class="nv">parent: </span><span class="nx">parent</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-55"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-55">#</a> </div> <p>Hooks one constructor into another's prototype chain.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">compile_node: </span><span class="p">(</span><span class="nx">o</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nx">o</span><span class="p">.</span><span class="nx">scope</span><span class="p">.</span><span class="nx">assign</span><span class="p">(</span><span class="s1">'__extends'</span><span class="p">,</span> <span class="err">@</span><span class="nx">code</span><span class="p">,</span> <span class="kc">true</span><span class="p">)</span>
|
||||
<span class="nv">ref: </span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">literal</span><span class="p">(</span><span class="s1">'__extends'</span><span class="p">)</span>
|
||||
<span class="nv">call: </span><span class="k">new</span> <span class="nx">CallNode</span> <span class="nx">ref</span><span class="p">,</span> <span class="p">[</span><span class="err">@</span><span class="nx">child</span><span class="p">,</span> <span class="err">@</span><span class="nx">parent</span><span class="p">]</span>
|
||||
<span class="nx">call</span><span class="p">.</span><span class="nx">compile</span><span class="p">(</span><span class="nx">o</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-56"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-56">#</a> </div> <h3>AccessorNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-57"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-57">#</a> </div> <p>A <code>.</code> accessor into a property of a value, or the <code>::</code> shorthand for
|
||||
<span class="nv">ref: </span> <span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">literal</span> <span class="nx">utility</span> <span class="s1">'extends'</span>
|
||||
<span class="p">(</span><span class="k">new</span> <span class="nx">CallNode</span> <span class="nx">ref</span><span class="p">,</span> <span class="p">[</span><span class="err">@</span><span class="nx">child</span><span class="p">,</span> <span class="err">@</span><span class="nx">parent</span><span class="p">]).</span><span class="nx">compile</span> <span class="nx">o</span></pre></div> </td> </tr> <tr id="section-56"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-56">#</a> </div> <h3>AccessorNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-57"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-57">#</a> </div> <p>A <code>.</code> accessor into a property of a value, or the <code>::</code> shorthand for
|
||||
an accessor into the object's prototype.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.AccessorNode: </span><span class="nx">class</span> <span class="nx">AccessorNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Accessor'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">name</span><span class="p">,</span> <span class="nx">tag</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span> <span class="p">[</span><span class="err">@</span><span class="nv">name: </span><span class="nx">name</span><span class="p">]</span>
|
||||
<span class="err">@</span><span class="nv">prototype: </span><span class="nx">tag</span> <span class="o">is</span> <span class="s1">'prototype'</span>
|
||||
<span class="err">@</span><span class="nx">prototype</span><span class="o">:</span><span class="nx">tag</span> <span class="o">is</span> <span class="s1">'prototype'</span>
|
||||
<span class="err">@</span><span class="nv">soak_node: </span><span class="nx">tag</span> <span class="o">is</span> <span class="s1">'soak'</span>
|
||||
<span class="k">this</span>
|
||||
|
||||
<span class="nv">compile_node: </span><span class="p">(</span><span class="nx">o</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nv">proto_part: </span><span class="k">if</span> <span class="err">@</span><span class="nx">prototype</span> <span class="k">then</span> <span class="s1">'prototype.'</span> <span class="k">else</span> <span class="s1">''</span>
|
||||
<span class="s2">".$proto_part${@name.compile(o)}"</span></pre></div> </td> </tr> <tr id="section-58"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-58">#</a> </div> <h3>IndexNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-59"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-59">#</a> </div> <p>A <code>[ ... ]</code> indexed accessor into an array or object.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.IndexNode: </span><span class="nx">class</span> <span class="nx">IndexNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Index'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">index</span><span class="p">,</span> <span class="nx">tag</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span> <span class="p">[</span><span class="err">@</span><span class="nv">index: </span><span class="nx">index</span><span class="p">]</span>
|
||||
@@ -321,7 +296,6 @@ an accessor into the object's prototype.</p> </td> <td c
|
||||
<span class="s2">"[$idx]"</span></pre></div> </td> </tr> <tr id="section-60"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-60">#</a> </div> <h3>RangeNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-61"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-61">#</a> </div> <p>A range literal. Ranges can be used to extract portions (slices) of arrays,
|
||||
to specify a range for comprehensions, or as a value, to be expanded into the
|
||||
corresponding array of integers at runtime.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.RangeNode: </span><span class="nx">class</span> <span class="nx">RangeNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Range'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">from</span><span class="p">,</span> <span class="nx">to</span><span class="p">,</span> <span class="nx">exclusive</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span> <span class="p">[</span><span class="err">@</span><span class="nv">from: </span><span class="nx">from</span><span class="p">,</span> <span class="err">@</span><span class="nv">to: </span><span class="nx">to</span><span class="p">]</span>
|
||||
@@ -349,7 +323,6 @@ it instead of wrapping nodes.</p> </td> <td class="code"
|
||||
<span class="p">(</span><span class="k">new</span> <span class="nx">ParentheticalNode</span><span class="p">(</span><span class="k">new</span> <span class="nx">CallNode</span><span class="p">(</span><span class="k">new</span> <span class="nx">CodeNode</span><span class="p">([],</span> <span class="nx">arr</span><span class="p">.</span><span class="nx">make_return</span><span class="p">())))).</span><span class="nx">compile</span><span class="p">(</span><span class="nx">o</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-65"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-65">#</a> </div> <h3>SliceNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-66"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-66">#</a> </div> <p>An array slice literal. Unlike JavaScript's <code>Array#slice</code>, the second parameter
|
||||
specifies the index of the end of the slice, just as the first parameter
|
||||
is the index of the beginning.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.SliceNode: </span><span class="nx">class</span> <span class="nx">SliceNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Slice'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">range</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span><span class="p">[</span><span class="err">@</span><span class="nv">range: </span><span class="nx">range</span><span class="p">]</span>
|
||||
@@ -360,7 +333,6 @@ is the index of the beginning.</p> </td> <td class="code
|
||||
<span class="nv">to: </span> <span class="err">@</span><span class="nx">range</span><span class="p">.</span><span class="nx">to</span><span class="p">.</span><span class="nx">compile</span><span class="p">(</span><span class="nx">o</span><span class="p">)</span>
|
||||
<span class="nv">plus_part: </span> <span class="k">if</span> <span class="err">@</span><span class="nx">range</span><span class="p">.</span><span class="nx">exclusive</span> <span class="k">then</span> <span class="s1">''</span> <span class="k">else</span> <span class="s1">' + 1'</span>
|
||||
<span class="s2">".slice($from, $to$plus_part)"</span></pre></div> </td> </tr> <tr id="section-67"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-67">#</a> </div> <h3>ObjectNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-68"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-68">#</a> </div> <p>An object literal, nothing fancy.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.ObjectNode: </span><span class="nx">class</span> <span class="nx">ObjectNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Object'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">props</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span><span class="err">@</span><span class="nv">objects: </span><span class="err">@</span><span class="nv">properties: </span><span class="nx">props</span> <span class="o">or</span> <span class="p">[]</span></pre></div> </td> </tr> <tr id="section-69"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-69">#</a> </div> <p>All the mucking about with commas is to make sure that CommentNodes and
|
||||
@@ -368,31 +340,30 @@ AssignNodes get interleaved correctly, with no trailing commas or
|
||||
commas affixed to comments.</p>
|
||||
|
||||
<p><em>TODO: Extract this and add it to ArrayNode</em>.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">compile_node: </span><span class="p">(</span><span class="nx">o</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nv">o.indent: </span><span class="err">@</span><span class="nx">idt</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
|
||||
<span class="nv">o.indent: </span><span class="err">@</span><span class="nx">idt</span> <span class="mi">1</span>
|
||||
<span class="nv">non_comments: </span><span class="nx">prop</span> <span class="k">for</span> <span class="nx">prop</span> <span class="k">in</span> <span class="err">@</span><span class="nx">properties</span> <span class="k">when</span> <span class="o">not</span> <span class="p">(</span><span class="nx">prop</span> <span class="k">instanceof</span> <span class="nx">CommentNode</span><span class="p">)</span>
|
||||
<span class="nv">last_noncom: </span> <span class="nx">non_comments</span><span class="p">[</span><span class="nx">non_comments</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span>
|
||||
<span class="nv">props: </span><span class="k">for</span> <span class="nx">prop</span><span class="p">,</span> <span class="nx">i</span> <span class="k">in</span> <span class="err">@</span><span class="nx">properties</span>
|
||||
<span class="nv">join: </span> <span class="s2">",\n"</span>
|
||||
<span class="nv">join: </span> <span class="s2">"\n"</span> <span class="k">if</span> <span class="p">(</span><span class="nx">prop</span> <span class="o">is</span> <span class="nx">last_noncom</span><span class="p">)</span> <span class="o">or</span> <span class="p">(</span><span class="nx">prop</span> <span class="k">instanceof</span> <span class="nx">CommentNode</span><span class="p">)</span>
|
||||
<span class="nv">join: </span> <span class="s1">''</span> <span class="k">if</span> <span class="nx">i</span> <span class="o">is</span> <span class="err">@</span><span class="nx">properties</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span>
|
||||
<span class="nv">indent: </span><span class="k">if</span> <span class="nx">prop</span> <span class="k">instanceof</span> <span class="nx">CommentNode</span> <span class="k">then</span> <span class="s1">''</span> <span class="k">else</span> <span class="err">@</span><span class="nx">idt</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
|
||||
<span class="nv">indent: </span><span class="k">if</span> <span class="nx">prop</span> <span class="k">instanceof</span> <span class="nx">CommentNode</span> <span class="k">then</span> <span class="s1">''</span> <span class="k">else</span> <span class="err">@</span><span class="nx">idt</span> <span class="mi">1</span>
|
||||
<span class="nx">indent</span> <span class="o">+</span> <span class="nx">prop</span><span class="p">.</span><span class="nx">compile</span><span class="p">(</span><span class="nx">o</span><span class="p">)</span> <span class="o">+</span> <span class="nx">join</span>
|
||||
<span class="nv">props: </span><span class="nx">props</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s1">''</span><span class="p">)</span>
|
||||
<span class="nv">inner: </span><span class="k">if</span> <span class="nx">props</span> <span class="k">then</span> <span class="s1">'\n'</span> <span class="o">+</span> <span class="nx">props</span> <span class="o">+</span> <span class="s1">'\n'</span> <span class="o">+</span> <span class="err">@</span><span class="nx">idt</span><span class="p">()</span> <span class="k">else</span> <span class="s1">''</span>
|
||||
<span class="s2">"{$inner}"</span></pre></div> </td> </tr> <tr id="section-70"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-70">#</a> </div> <h3>ArrayNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-71"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-71">#</a> </div> <p>An array literal.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.ArrayNode: </span><span class="nx">class</span> <span class="nx">ArrayNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Array'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">objects</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span><span class="err">@</span><span class="nv">objects: </span><span class="nx">objects</span> <span class="o">or</span> <span class="p">[]</span>
|
||||
<span class="err">@</span><span class="nv">compile_splat_literal: </span><span class="nx">SplatNode</span><span class="p">.</span><span class="nx">compile_mixed_array</span> <span class="o"><-</span> <span class="err">@</span><span class="p">,</span> <span class="err">@</span><span class="nx">objects</span>
|
||||
|
||||
<span class="nv">compile_node: </span><span class="p">(</span><span class="nx">o</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nv">o.indent: </span><span class="err">@</span><span class="nx">idt</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
|
||||
<span class="nv">o.indent: </span><span class="err">@</span><span class="nx">idt</span> <span class="mi">1</span>
|
||||
<span class="nv">objects: </span><span class="p">[]</span>
|
||||
<span class="k">for</span> <span class="nx">obj</span><span class="p">,</span> <span class="nx">i</span> <span class="k">in</span> <span class="err">@</span><span class="nx">objects</span>
|
||||
<span class="nv">code: </span><span class="nx">obj</span><span class="p">.</span><span class="nx">compile</span><span class="p">(</span><span class="nx">o</span><span class="p">)</span>
|
||||
<span class="k">if</span> <span class="nx">obj</span> <span class="k">instanceof</span> <span class="nx">SplatNode</span>
|
||||
<span class="k">return</span> <span class="err">@</span><span class="nx">compile_splat_literal</span><span class="p">(</span><span class="err">@</span><span class="nx">objects</span><span class="p">,</span> <span class="nx">o</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="err">@</span><span class="nx">compile_splat_literal</span> <span class="err">@</span><span class="nx">objects</span><span class="p">,</span> <span class="nx">o</span>
|
||||
<span class="k">else</span> <span class="k">if</span> <span class="nx">obj</span> <span class="k">instanceof</span> <span class="nx">CommentNode</span>
|
||||
<span class="nx">objects</span><span class="p">.</span><span class="nx">push</span> <span class="s2">"\n$code\n$o.indent"</span>
|
||||
<span class="k">else</span> <span class="k">if</span> <span class="nx">i</span> <span class="o">is</span> <span class="err">@</span><span class="nx">objects</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span>
|
||||
@@ -401,8 +372,7 @@ commas affixed to comments.</p>
|
||||
<span class="nx">objects</span><span class="p">.</span><span class="nx">push</span> <span class="s2">"$code, "</span>
|
||||
<span class="nv">objects: </span><span class="nx">objects</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s1">''</span><span class="p">)</span>
|
||||
<span class="nv">ending: </span><span class="k">if</span> <span class="nx">objects</span><span class="p">.</span><span class="nx">indexOf</span><span class="p">(</span><span class="s1">'\n'</span><span class="p">)</span> <span class="o">>=</span> <span class="mi">0</span> <span class="k">then</span> <span class="s2">"\n$@tab]"</span> <span class="k">else</span> <span class="s1">']'</span>
|
||||
<span class="s2">"[$objects$ending"</span></pre></div> </td> </tr> <tr id="section-72"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-72">#</a> </div> <h3>ClassNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-73"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-73">#</a> </div> <p>The CoffeeScript class definition.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.ClassNode: </span><span class="nx">class</span> <span class="nx">ClassNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Class'</span></pre></div> </td> </tr> <tr id="section-74"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-74">#</a> </div> <p>Initialize a <strong>ClassNode</strong> with its name, an optional superclass, and a
|
||||
<span class="s2">"[$objects$ending"</span></pre></div> </td> </tr> <tr id="section-72"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-72">#</a> </div> <h3>ClassNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-73"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-73">#</a> </div> <p>The CoffeeScript class definition.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.ClassNode: </span><span class="nx">class</span> <span class="nx">ClassNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span></pre></div> </td> </tr> <tr id="section-74"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-74">#</a> </div> <p>Initialize a <strong>ClassNode</strong> with its name, an optional superclass, and a
|
||||
list of prototype property assignments.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">constructor: </span><span class="p">(</span><span class="nx">variable</span><span class="p">,</span> <span class="nx">parent</span><span class="p">,</span> <span class="nx">props</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span><span class="nx">compact</span> <span class="nx">flatten</span> <span class="p">[</span><span class="err">@</span><span class="nv">variable: </span><span class="nx">variable</span><span class="p">,</span> <span class="err">@</span><span class="nv">parent: </span><span class="nx">parent</span><span class="p">,</span> <span class="err">@</span><span class="nv">properties: </span><span class="nx">props</span> <span class="o">or</span> <span class="p">[]]</span>
|
||||
<span class="err">@</span><span class="nv">returns: </span> <span class="kc">false</span>
|
||||
@@ -418,14 +388,16 @@ constructor, property assignments, and inheritance getting built out below.</p>
|
||||
<span class="nv">o.top: </span> <span class="kc">true</span>
|
||||
|
||||
<span class="k">for</span> <span class="nx">prop</span> <span class="k">in</span> <span class="err">@</span><span class="nx">properties</span>
|
||||
<span class="k">if</span> <span class="nx">prop</span><span class="p">.</span><span class="nx">variable</span> <span class="o">and</span> <span class="nx">prop</span><span class="p">.</span><span class="nx">variable</span><span class="p">.</span><span class="nx">base</span><span class="p">.</span><span class="nx">value</span> <span class="o">is</span> <span class="s1">'constructor'</span>
|
||||
<span class="nv">pvar: </span><span class="nx">prop</span><span class="p">.</span><span class="nx">variable</span>
|
||||
<span class="k">if</span> <span class="nx">pvar</span> <span class="o">and</span> <span class="nx">pvar</span><span class="p">.</span><span class="nx">base</span><span class="p">.</span><span class="nx">value</span> <span class="o">is</span> <span class="s1">'constructor'</span>
|
||||
<span class="nv">func: </span><span class="nx">prop</span><span class="p">.</span><span class="nx">value</span>
|
||||
<span class="nx">func</span><span class="p">.</span><span class="nx">body</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="k">new</span> <span class="nx">ReturnNode</span><span class="p">(</span><span class="nx">literal</span><span class="p">(</span><span class="s1">'this'</span><span class="p">)))</span>
|
||||
<span class="nv">constructor: </span><span class="k">new</span> <span class="nx">AssignNode</span><span class="p">(</span><span class="err">@</span><span class="nx">variable</span><span class="p">,</span> <span class="nx">func</span><span class="p">)</span>
|
||||
<span class="k">else</span>
|
||||
<span class="k">if</span> <span class="nx">prop</span><span class="p">.</span><span class="nx">variable</span>
|
||||
<span class="nv">val: </span><span class="k">new</span> <span class="nx">ValueNode</span><span class="p">(</span><span class="err">@</span><span class="nx">variable</span><span class="p">,</span> <span class="p">[</span><span class="k">new</span> <span class="nx">AccessorNode</span><span class="p">(</span><span class="nx">prop</span><span class="p">.</span><span class="nx">variable</span><span class="p">,</span> <span class="s1">'prototype'</span><span class="p">)])</span>
|
||||
<span class="nv">prop: </span><span class="k">new</span> <span class="nx">AssignNode</span><span class="p">(</span><span class="nx">val</span><span class="p">,</span> <span class="nx">prop</span><span class="p">.</span><span class="nx">value</span><span class="p">)</span>
|
||||
<span class="k">if</span> <span class="nx">pvar</span>
|
||||
<span class="nv">access: </span><span class="k">if</span> <span class="nx">prop</span><span class="p">.</span><span class="nx">context</span> <span class="o">is</span> <span class="s1">'this'</span> <span class="k">then</span> <span class="nx">pvar</span><span class="p">.</span><span class="nx">base</span><span class="p">.</span><span class="nx">properties</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="k">else</span> <span class="k">new</span> <span class="nx">AccessorNode</span><span class="p">(</span><span class="nx">pvar</span><span class="p">,</span> <span class="s1">'prototype'</span><span class="p">)</span>
|
||||
<span class="nv">val: </span> <span class="k">new</span> <span class="nx">ValueNode</span><span class="p">(</span><span class="err">@</span><span class="nx">variable</span><span class="p">,</span> <span class="p">[</span><span class="nx">access</span><span class="p">])</span>
|
||||
<span class="nv">prop: </span> <span class="k">new</span> <span class="nx">AssignNode</span><span class="p">(</span><span class="nx">val</span><span class="p">,</span> <span class="nx">prop</span><span class="p">.</span><span class="nx">value</span><span class="p">)</span>
|
||||
<span class="nx">props</span><span class="p">.</span><span class="nx">push</span> <span class="nx">prop</span>
|
||||
|
||||
<span class="k">if</span> <span class="o">not</span> <span class="nx">constructor</span>
|
||||
@@ -444,8 +416,7 @@ constructor, property assignments, and inheritance getting built out below.</p>
|
||||
<span class="s2">"$construct$extension$props$returns"</span>
|
||||
|
||||
<span class="nx">statement</span> <span class="nx">ClassNode</span></pre></div> </td> </tr> <tr id="section-76"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-76">#</a> </div> <h3>AssignNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-77"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-77">#</a> </div> <p>The <strong>AssignNode</strong> is used to assign a local variable to value, or to set the
|
||||
property of an object -- including within object literals.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.AssignNode: </span><span class="nx">class</span> <span class="nx">AssignNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Assign'</span></pre></div> </td> </tr> <tr id="section-78"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-78">#</a> </div> <p>Matchers for detecting prototype assignments.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">PROTO_ASSIGN: </span><span class="sr">/^(\S+)\.prototype/</span>
|
||||
property of an object -- including within object literals.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.AssignNode: </span><span class="nx">class</span> <span class="nx">AssignNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span></pre></div> </td> </tr> <tr id="section-78"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-78">#</a> </div> <p>Matchers for detecting prototype assignments.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">PROTO_ASSIGN: </span><span class="sr">/^(\S+)\.prototype/</span>
|
||||
<span class="nv">LEADING_DOT: </span> <span class="sr">/^\.(prototype\.)?/</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">variable</span><span class="p">,</span> <span class="nx">value</span><span class="p">,</span> <span class="nx">context</span><span class="p">)</span> <span class="o">-></span>
|
||||
@@ -508,7 +479,7 @@ for details.</p> </td> <td class="code"> <
|
||||
<span class="nv">code: </span><span class="nx">assigns</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s2">"\n"</span><span class="p">)</span>
|
||||
<span class="nx">code</span></pre></div> </td> </tr> <tr id="section-81"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-81">#</a> </div> <p>Compile the assignment from an array splice literal, using JavaScript's
|
||||
<code>Array#splice</code> method.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">compile_splice: </span><span class="p">(</span><span class="nx">o</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nv">name: </span> <span class="err">@</span><span class="nx">variable</span><span class="p">.</span><span class="nx">compile</span><span class="p">(</span><span class="nx">merge</span><span class="p">(</span><span class="nx">o</span><span class="p">,</span> <span class="p">{</span><span class="nv">only_first: </span><span class="kc">true</span><span class="p">}))</span>
|
||||
<span class="nv">name: </span> <span class="err">@</span><span class="nx">variable</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">merge</span> <span class="nx">o</span><span class="p">,</span> <span class="p">{</span><span class="nv">only_first: </span><span class="kc">true</span><span class="p">}</span>
|
||||
<span class="nv">l: </span> <span class="err">@</span><span class="nx">variable</span><span class="p">.</span><span class="nx">properties</span><span class="p">.</span><span class="nx">length</span>
|
||||
<span class="nv">range: </span> <span class="err">@</span><span class="nx">variable</span><span class="p">.</span><span class="nx">properties</span><span class="p">[</span><span class="nx">l</span> <span class="o">-</span> <span class="mi">1</span><span class="p">].</span><span class="nx">range</span>
|
||||
<span class="nv">plus: </span> <span class="k">if</span> <span class="nx">range</span><span class="p">.</span><span class="nx">exclusive</span> <span class="k">then</span> <span class="s1">''</span> <span class="k">else</span> <span class="s1">' + 1'</span>
|
||||
@@ -518,7 +489,6 @@ for details.</p> </td> <td class="code"> <
|
||||
<span class="s2">"${name}.splice.apply($name, [$from, $to].concat($val))"</span></pre></div> </td> </tr> <tr id="section-82"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-82">#</a> </div> <h3>CodeNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-83"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-83">#</a> </div> <p>A function definition. This is the only node that creates a new Scope.
|
||||
When for the purposes of walking the contents of a function body, the CodeNode
|
||||
has no <em>children</em> -- they're within the inner scope.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.CodeNode: </span><span class="nx">class</span> <span class="nx">CodeNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Code'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">params</span><span class="p">,</span> <span class="nx">body</span><span class="p">,</span> <span class="nx">tag</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">params: </span> <span class="nx">params</span> <span class="o">or</span> <span class="p">[]</span>
|
||||
@@ -557,8 +527,9 @@ a closure.</p> </td> <td class="code"> <di
|
||||
<span class="nv">func: </span><span class="s2">"function${ if @bound then '' else name_part }(${ params.join(', ') }) {$code${@idt(if @bound then 1 else 0)}}"</span>
|
||||
<span class="nv">func: </span><span class="s2">"($func)"</span> <span class="k">if</span> <span class="nx">top</span> <span class="o">and</span> <span class="o">not</span> <span class="err">@</span><span class="nx">bound</span>
|
||||
<span class="k">return</span> <span class="nx">func</span> <span class="nx">unless</span> <span class="err">@</span><span class="nx">bound</span>
|
||||
<span class="nv">inner: </span><span class="s2">"(function$name_part() {\n${@idt(2)}return __func.apply(__this, arguments);\n${@idt(1)}});"</span>
|
||||
<span class="s2">"(function(__this) {\n${@idt(1)}var __func = $func;\n${@idt(1)}return $inner\n$@tab})(this)"</span>
|
||||
<span class="nx">utility</span> <span class="s1">'slice'</span>
|
||||
<span class="nv">ref: </span><span class="k">new</span> <span class="nx">ValueNode</span> <span class="nx">literal</span> <span class="nx">utility</span> <span class="s1">'bind'</span>
|
||||
<span class="p">(</span><span class="k">new</span> <span class="nx">CallNode</span> <span class="nx">ref</span><span class="p">,</span> <span class="p">[</span><span class="nx">literal</span><span class="p">(</span><span class="nx">func</span><span class="p">),</span> <span class="nx">literal</span><span class="p">(</span><span class="s1">'this'</span><span class="p">)]).</span><span class="nx">compile</span> <span class="nx">o</span>
|
||||
|
||||
<span class="nv">top_sensitive: </span><span class="o">-></span>
|
||||
<span class="kc">true</span></pre></div> </td> </tr> <tr id="section-85"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-85">#</a> </div> <p>When traversing (for printing or inspecting), return the real children of
|
||||
@@ -572,7 +543,6 @@ the function -- the parameters and body of expressions.</p> </td>
|
||||
<span class="nv">children: </span><span class="p">(</span><span class="nx">child</span><span class="p">.</span><span class="nx">toString</span><span class="p">(</span><span class="nx">idt</span> <span class="o">+</span> <span class="nx">TAB</span><span class="p">)</span> <span class="k">for</span> <span class="nx">child</span> <span class="k">in</span> <span class="err">@</span><span class="nx">real_children</span><span class="p">()).</span><span class="nx">join</span><span class="p">(</span><span class="s1">''</span><span class="p">)</span>
|
||||
<span class="s2">"\n$idt$children"</span></pre></div> </td> </tr> <tr id="section-87"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-87">#</a> </div> <h3>SplatNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-88"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-88">#</a> </div> <p>A splat, either as a parameter to a function, an argument to a call,
|
||||
or as part of a destructuring assignment.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.SplatNode: </span><span class="nx">class</span> <span class="nx">SplatNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Splat'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nv">name: </span><span class="nx">literal</span><span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="nx">unless</span> <span class="nx">name</span><span class="p">.</span><span class="nx">compile</span>
|
||||
@@ -587,31 +557,30 @@ the splat in the parameter list, by slicing the arguments object.</p>
|
||||
<span class="k">for</span> <span class="nx">trailing</span> <span class="k">in</span> <span class="err">@</span><span class="nx">trailings</span>
|
||||
<span class="nx">o</span><span class="p">.</span><span class="nx">scope</span><span class="p">.</span><span class="nx">assign</span><span class="p">(</span><span class="nx">trailing</span><span class="p">.</span><span class="nx">compile</span><span class="p">(</span><span class="nx">o</span><span class="p">),</span> <span class="s2">"arguments[arguments.length - $@trailings.length + $i]"</span><span class="p">)</span>
|
||||
<span class="nv">i: </span><span class="o">+</span> <span class="mi">1</span>
|
||||
<span class="s2">"$name = Array.prototype.slice.call(arguments, $@index, arguments.length - ${@trailings.length})"</span></pre></div> </td> </tr> <tr id="section-90"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-90">#</a> </div> <p>A compiling a splat as a destructuring assignment means slicing arguments
|
||||
<span class="s2">"$name = ${utility('slice')}.call(arguments, $@index, arguments.length - ${@trailings.length})"</span></pre></div> </td> </tr> <tr id="section-90"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-90">#</a> </div> <p>A compiling a splat as a destructuring assignment means slicing arguments
|
||||
from the right-hand-side's corresponding array.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">compile_value: </span><span class="p">(</span><span class="nx">o</span><span class="p">,</span> <span class="nx">name</span><span class="p">,</span> <span class="nx">index</span><span class="p">,</span> <span class="nx">trailings</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="k">if</span> <span class="nx">trailings</span><span class="o">?</span> <span class="k">then</span> <span class="s2">"Array.prototype.slice.call($name, $index, ${name}.length - $trailings)"</span> <span class="o">\</span>
|
||||
<span class="k">else</span> <span class="s2">"Array.prototype.slice.call($name, $index)"</span></pre></div> </td> </tr> <tr id="section-91"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-91">#</a> </div> <p>Utility function that converts arbitrary number of elements, mixed with
|
||||
splats, to a proper array</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">SplatNode.compile_mixed_array: </span><span class="p">(</span><span class="nx">list</span><span class="p">,</span> <span class="nx">o</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nv">args: </span><span class="p">[]</span>
|
||||
<span class="nv">i: </span><span class="mi">0</span>
|
||||
<span class="k">for</span> <span class="nx">arg</span> <span class="k">in</span> <span class="nx">list</span>
|
||||
<span class="nv">code: </span><span class="nx">arg</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">o</span>
|
||||
<span class="k">if</span> <span class="o">not</span> <span class="p">(</span><span class="nx">arg</span> <span class="k">instanceof</span> <span class="nx">SplatNode</span><span class="p">)</span>
|
||||
<span class="nv">prev: </span><span class="nx">args</span><span class="p">[</span><span class="nx">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span>
|
||||
<span class="k">if</span> <span class="nx">i</span> <span class="o">is</span> <span class="mi">1</span> <span class="o">and</span> <span class="nx">prev</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> <span class="o">is</span> <span class="s1">'['</span> <span class="o">and</span> <span class="nx">prev</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="nx">prev</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> <span class="o">is</span> <span class="s1">']'</span>
|
||||
<span class="nx">args</span><span class="p">[</span><span class="nx">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span><span class="o">:</span> <span class="s2">"${prev.substr(0, prev.length - 1)}, $code]"</span>
|
||||
<span class="k">continue</span>
|
||||
<span class="k">else</span> <span class="k">if</span> <span class="nx">i</span> <span class="o">></span> <span class="mi">1</span> <span class="o">and</span> <span class="nx">prev</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">9</span><span class="p">)</span> <span class="o">is</span> <span class="s1">'.concat(['</span> <span class="o">and</span> <span class="nx">prev</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="nx">prev</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span> <span class="o">is</span> <span class="s1">'])'</span>
|
||||
<span class="nx">args</span><span class="p">[</span><span class="nx">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span><span class="o">:</span> <span class="s2">"${prev.substr(0, prev.length - 2)}, $code])"</span>
|
||||
<span class="k">continue</span>
|
||||
<span class="k">else</span>
|
||||
<span class="nv">code: </span><span class="s2">"[$code]"</span>
|
||||
<span class="nx">args</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="k">if</span> <span class="nx">i</span> <span class="o">is</span> <span class="mi">0</span> <span class="k">then</span> <span class="nx">code</span> <span class="k">else</span> <span class="s2">".concat($code)"</span><span class="p">)</span>
|
||||
<span class="nv">i: </span><span class="o">+</span> <span class="mi">1</span>
|
||||
<span class="nx">args</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s1">''</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-92"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-92">#</a> </div> <h3>WhileNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-93"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-93">#</a> </div> <p>A while loop, the only sort of low-level loop exposed by CoffeeScript. From
|
||||
<span class="nv">trail: </span><span class="k">if</span> <span class="nx">trailings</span> <span class="k">then</span> <span class="s2">", ${name}.length - $trailings"</span> <span class="k">else</span> <span class="s1">''</span>
|
||||
<span class="s2">"${utility 'slice'}.call($name, $index$trail)"</span></pre></div> </td> </tr> <tr id="section-91"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-91">#</a> </div> <p>Utility function that converts arbitrary number of elements, mixed with
|
||||
splats, to a proper array</p> </td> <td class="code"> <div class="highlight"><pre> <span class="err">@</span><span class="nv">compile_mixed_array: </span><span class="p">(</span><span class="nx">list</span><span class="p">,</span> <span class="nx">o</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nv">args: </span><span class="p">[]</span>
|
||||
<span class="nv">i: </span><span class="mi">0</span>
|
||||
<span class="k">for</span> <span class="nx">arg</span> <span class="k">in</span> <span class="nx">list</span>
|
||||
<span class="nv">code: </span><span class="nx">arg</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">o</span>
|
||||
<span class="k">if</span> <span class="o">not</span> <span class="p">(</span><span class="nx">arg</span> <span class="k">instanceof</span> <span class="nx">SplatNode</span><span class="p">)</span>
|
||||
<span class="nv">prev: </span><span class="nx">args</span><span class="p">[</span><span class="nx">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span>
|
||||
<span class="k">if</span> <span class="nx">i</span> <span class="o">is</span> <span class="mi">1</span> <span class="o">and</span> <span class="nx">prev</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> <span class="o">is</span> <span class="s1">'['</span> <span class="o">and</span> <span class="nx">prev</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="nx">prev</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> <span class="o">is</span> <span class="s1">']'</span>
|
||||
<span class="nx">args</span><span class="p">[</span><span class="nx">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span><span class="o">:</span> <span class="s2">"${prev.substr(0, prev.length - 1)}, $code]"</span>
|
||||
<span class="k">continue</span>
|
||||
<span class="k">else</span> <span class="k">if</span> <span class="nx">i</span> <span class="o">></span> <span class="mi">1</span> <span class="o">and</span> <span class="nx">prev</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">9</span><span class="p">)</span> <span class="o">is</span> <span class="s1">'.concat(['</span> <span class="o">and</span> <span class="nx">prev</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="nx">prev</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span> <span class="o">is</span> <span class="s1">'])'</span>
|
||||
<span class="nx">args</span><span class="p">[</span><span class="nx">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span><span class="o">:</span> <span class="s2">"${prev.substr(0, prev.length - 2)}, $code])"</span>
|
||||
<span class="k">continue</span>
|
||||
<span class="k">else</span>
|
||||
<span class="nv">code: </span><span class="s2">"[$code]"</span>
|
||||
<span class="nx">args</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="k">if</span> <span class="nx">i</span> <span class="o">is</span> <span class="mi">0</span> <span class="k">then</span> <span class="nx">code</span> <span class="k">else</span> <span class="s2">".concat($code)"</span><span class="p">)</span>
|
||||
<span class="nv">i: </span><span class="o">+</span> <span class="mi">1</span>
|
||||
<span class="nx">args</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s1">''</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-92"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-92">#</a> </div> <h3>WhileNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-93"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-93">#</a> </div> <p>A while loop, the only sort of low-level loop exposed by CoffeeScript. From
|
||||
it, all other loops can be manufactured. Useful in cases where you need more
|
||||
flexibility or more speed than a comprehension can provide.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.WhileNode: </span><span class="nx">class</span> <span class="nx">WhileNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'While'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">condition</span><span class="p">,</span> <span class="nx">opts</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nx">children</span><span class="o">:</span><span class="p">[</span><span class="err">@</span><span class="nv">condition: </span><span class="nx">condition</span><span class="p">]</span>
|
||||
@@ -630,7 +599,7 @@ flexibility or more speed than a comprehension can provide.</p> </td
|
||||
<em>while</em> can be used as a part of a larger expression -- while loops may
|
||||
return an array containing the computed result of each iteration.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">compile_node: </span><span class="p">(</span><span class="nx">o</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nv">top: </span> <span class="nx">del</span><span class="p">(</span><span class="nx">o</span><span class="p">,</span> <span class="s1">'top'</span><span class="p">)</span> <span class="o">and</span> <span class="o">not</span> <span class="err">@</span><span class="nx">returns</span>
|
||||
<span class="nv">o.indent: </span> <span class="err">@</span><span class="nx">idt</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
|
||||
<span class="nv">o.indent: </span> <span class="err">@</span><span class="nx">idt</span> <span class="mi">1</span>
|
||||
<span class="nv">o.top: </span> <span class="kc">true</span>
|
||||
<span class="nv">cond: </span> <span class="err">@</span><span class="nx">condition</span><span class="p">.</span><span class="nx">compile</span><span class="p">(</span><span class="nx">o</span><span class="p">)</span>
|
||||
<span class="nv">set: </span> <span class="s1">''</span>
|
||||
@@ -648,15 +617,14 @@ return an array containing the computed result of each iteration.</p>
|
||||
<span class="s2">"$pre {\n${ @body.compile(o) }\n$@tab}\n$post"</span>
|
||||
|
||||
<span class="nx">statement</span> <span class="nx">WhileNode</span></pre></div> </td> </tr> <tr id="section-95"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-95">#</a> </div> <h3>OpNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-96"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-96">#</a> </div> <p>Simple Arithmetic and logical operations. Performs some conversion from
|
||||
CoffeeScript operations into their JavaScript equivalents.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.OpNode: </span><span class="nx">class</span> <span class="nx">OpNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Op'</span></pre></div> </td> </tr> <tr id="section-97"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-97">#</a> </div> <p>The map of conversions from CoffeeScript to JavaScript symbols.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">CONVERSIONS: </span><span class="p">{</span>
|
||||
CoffeeScript operations into their JavaScript equivalents.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.OpNode: </span><span class="nx">class</span> <span class="nx">OpNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span></pre></div> </td> </tr> <tr id="section-97"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-97">#</a> </div> <p>The map of conversions from CoffeeScript to JavaScript symbols.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">CONVERSIONS: </span><span class="p">{</span>
|
||||
<span class="s1">'=='</span><span class="o">:</span> <span class="s1">'==='</span>
|
||||
<span class="s1">'!='</span><span class="o">:</span> <span class="s1">'!=='</span>
|
||||
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-98"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-98">#</a> </div> <p>The list of operators for which we perform
|
||||
<a href="http://docs.python.org/reference/expressions.html#notin">Python-style comparison chaining</a>.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">CHAINABLE: </span> <span class="p">[</span><span class="s1">'<'</span><span class="p">,</span> <span class="s1">'>'</span><span class="p">,</span> <span class="s1">'>='</span><span class="p">,</span> <span class="s1">'<='</span><span class="p">,</span> <span class="s1">'==='</span><span class="p">,</span> <span class="s1">'!=='</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-99"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-99">#</a> </div> <p>Our assignment operators that have no JavaScript equivalent.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">ASSIGNMENT: </span> <span class="p">[</span><span class="s1">'||='</span><span class="p">,</span> <span class="s1">'&&='</span><span class="p">,</span> <span class="s1">'?='</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-100"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-100">#</a> </div> <p>Operators must come before their operands with a space.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">PREFIX_OPERATORS: </span><span class="p">[</span><span class="s1">'typeof'</span><span class="p">,</span> <span class="s1">'delete'</span><span class="p">]</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">operator</span><span class="p">,</span> <span class="nx">first</span><span class="p">,</span> <span class="nx">second</span><span class="p">,</span> <span class="nx">flip</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">type: </span><span class="o">+</span> <span class="s1">' '</span> <span class="o">+</span> <span class="nx">operator</span>
|
||||
<span class="err">@</span><span class="nv">constructor.name: </span><span class="o">+</span> <span class="s1">' '</span> <span class="o">+</span> <span class="nx">operator</span>
|
||||
<span class="err">@</span><span class="nv">children: </span><span class="nx">compact</span> <span class="p">[</span><span class="err">@</span><span class="nv">first: </span><span class="nx">first</span><span class="p">,</span> <span class="err">@</span><span class="nv">second: </span><span class="nx">second</span><span class="p">]</span>
|
||||
<span class="err">@</span><span class="nv">operator: </span><span class="err">@</span><span class="nx">CONVERSIONS</span><span class="p">[</span><span class="nx">operator</span><span class="p">]</span> <span class="o">or</span> <span class="nx">operator</span>
|
||||
<span class="err">@</span><span class="nv">flip: </span><span class="o">!!</span><span class="nx">flip</span>
|
||||
@@ -697,7 +665,6 @@ to give us the safe references for the variables.</p> </td>
|
||||
<span class="nv">parts: </span><span class="p">[</span><span class="err">@</span><span class="nx">operator</span><span class="p">,</span> <span class="nx">space</span><span class="p">,</span> <span class="err">@</span><span class="nx">first</span><span class="p">.</span><span class="nx">compile</span><span class="p">(</span><span class="nx">o</span><span class="p">)]</span>
|
||||
<span class="nv">parts: </span><span class="nx">parts</span><span class="p">.</span><span class="nx">reverse</span><span class="p">()</span> <span class="k">if</span> <span class="err">@</span><span class="nx">flip</span>
|
||||
<span class="nx">parts</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s1">''</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-105"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-105">#</a> </div> <h3>TryNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-106"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-106">#</a> </div> <p>A classic <em>try/catch/finally</em> block.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.TryNode: </span><span class="nx">class</span> <span class="nx">TryNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Try'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">attempt</span><span class="p">,</span> <span class="nx">error</span><span class="p">,</span> <span class="nx">recovery</span><span class="p">,</span> <span class="nx">ensure</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span><span class="nx">compact</span> <span class="p">[</span><span class="err">@</span><span class="nv">attempt: </span><span class="nx">attempt</span><span class="p">,</span> <span class="err">@</span><span class="nv">recovery: </span><span class="nx">recovery</span><span class="p">,</span> <span class="err">@</span><span class="nv">ensure: </span><span class="nx">ensure</span><span class="p">]</span>
|
||||
@@ -709,7 +676,7 @@ to give us the safe references for the variables.</p> </td>
|
||||
<span class="err">@</span><span class="nv">recovery: </span><span class="err">@</span><span class="nx">recovery</span><span class="p">.</span><span class="nx">make_return</span><span class="p">()</span> <span class="k">if</span> <span class="err">@</span><span class="nx">recovery</span>
|
||||
<span class="k">this</span></pre></div> </td> </tr> <tr id="section-107"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-107">#</a> </div> <p>Compilation is more or less as you would expect -- the <em>finally</em> clause
|
||||
is optional, the <em>catch</em> is not.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">compile_node: </span><span class="p">(</span><span class="nx">o</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nv">o.indent: </span> <span class="err">@</span><span class="nx">idt</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
|
||||
<span class="nv">o.indent: </span> <span class="err">@</span><span class="nx">idt</span> <span class="mi">1</span>
|
||||
<span class="nv">o.top: </span> <span class="kc">true</span>
|
||||
<span class="nv">attempt_part: </span><span class="err">@</span><span class="nx">attempt</span><span class="p">.</span><span class="nx">compile</span><span class="p">(</span><span class="nx">o</span><span class="p">)</span>
|
||||
<span class="nv">error_part: </span> <span class="k">if</span> <span class="err">@</span><span class="nx">error</span> <span class="k">then</span> <span class="s2">" (${ @error.compile(o) }) "</span> <span class="k">else</span> <span class="s1">' '</span>
|
||||
@@ -718,7 +685,6 @@ is optional, the <em>catch</em> is not.</p> </td> <td cl
|
||||
<span class="s2">"${@tab}try {\n$attempt_part\n$@tab}$catch_part$finally_part"</span>
|
||||
|
||||
<span class="nx">statement</span> <span class="nx">TryNode</span></pre></div> </td> </tr> <tr id="section-108"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-108">#</a> </div> <h3>ThrowNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-109"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-109">#</a> </div> <p>Simple node to throw an exception.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.ThrowNode: </span><span class="nx">class</span> <span class="nx">ThrowNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Throw'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">expression</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span><span class="p">[</span><span class="err">@</span><span class="nv">expression: </span><span class="nx">expression</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-110"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-110">#</a> </div> <p>A <strong>ThrowNode</strong> is already a return, of sorts...</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">make_return: </span><span class="o">-></span>
|
||||
@@ -730,7 +696,6 @@ is optional, the <em>catch</em> is not.</p> </td> <td cl
|
||||
<span class="nx">statement</span> <span class="nx">ThrowNode</span></pre></div> </td> </tr> <tr id="section-111"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-111">#</a> </div> <h3>ExistenceNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-112"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-112">#</a> </div> <p>Checks a variable for existence -- not <em>null</em> and not <em>undefined</em>. This is
|
||||
similar to <code>.nil?</code> in Ruby, and avoids having to consult a JavaScript truth
|
||||
table.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.ExistenceNode: </span><span class="nx">class</span> <span class="nx">ExistenceNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Existence'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">expression</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span><span class="p">[</span><span class="err">@</span><span class="nv">expression: </span><span class="nx">expression</span><span class="p">]</span>
|
||||
@@ -738,17 +703,16 @@ table.</p> </td> <td class="code"> <div cl
|
||||
<span class="nv">compile_node: </span><span class="p">(</span><span class="nx">o</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nx">ExistenceNode</span><span class="p">.</span><span class="nx">compile_test</span><span class="p">(</span><span class="nx">o</span><span class="p">,</span> <span class="err">@</span><span class="nx">expression</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-113"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-113">#</a> </div> <p>The meat of the <strong>ExistenceNode</strong> is in this static <code>compile_test</code> method
|
||||
because other nodes like to check the existence of their variables as well.
|
||||
Be careful not to double-evaluate anything.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">ExistenceNode.compile_test: </span><span class="p">(</span><span class="nx">o</span><span class="p">,</span> <span class="nx">variable</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="p">[</span><span class="nx">first</span><span class="p">,</span> <span class="nx">second</span><span class="p">]</span><span class="o">:</span> <span class="p">[</span><span class="nx">variable</span><span class="p">,</span> <span class="nx">variable</span><span class="p">]</span>
|
||||
<span class="k">if</span> <span class="nx">variable</span> <span class="k">instanceof</span> <span class="nx">CallNode</span> <span class="o">or</span> <span class="p">(</span><span class="nx">variable</span> <span class="k">instanceof</span> <span class="nx">ValueNode</span> <span class="o">and</span> <span class="nx">variable</span><span class="p">.</span><span class="nx">has_properties</span><span class="p">())</span>
|
||||
<span class="p">[</span><span class="nx">first</span><span class="p">,</span> <span class="nx">second</span><span class="p">]</span><span class="o">:</span> <span class="nx">variable</span><span class="p">.</span><span class="nx">compile_reference</span><span class="p">(</span><span class="nx">o</span><span class="p">)</span>
|
||||
<span class="p">[</span><span class="nx">first</span><span class="p">,</span> <span class="nx">second</span><span class="p">]</span><span class="o">:</span> <span class="p">[</span><span class="nx">first</span><span class="p">.</span><span class="nx">compile</span><span class="p">(</span><span class="nx">o</span><span class="p">),</span> <span class="nx">second</span><span class="p">.</span><span class="nx">compile</span><span class="p">(</span><span class="nx">o</span><span class="p">)]</span>
|
||||
<span class="s2">"(typeof $first !== \"undefined\" && $second !== null)"</span></pre></div> </td> </tr> <tr id="section-114"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-114">#</a> </div> <h3>ParentheticalNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-115"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-115">#</a> </div> <p>An extra set of parentheses, specified explicitly in the source. At one time
|
||||
Be careful not to double-evaluate anything.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="err">@</span><span class="nv">compile_test: </span><span class="p">(</span><span class="nx">o</span><span class="p">,</span> <span class="nx">variable</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="p">[</span><span class="nx">first</span><span class="p">,</span> <span class="nx">second</span><span class="p">]</span><span class="o">:</span> <span class="p">[</span><span class="nx">variable</span><span class="p">,</span> <span class="nx">variable</span><span class="p">]</span>
|
||||
<span class="k">if</span> <span class="nx">variable</span> <span class="k">instanceof</span> <span class="nx">CallNode</span> <span class="o">or</span> <span class="p">(</span><span class="nx">variable</span> <span class="k">instanceof</span> <span class="nx">ValueNode</span> <span class="o">and</span> <span class="nx">variable</span><span class="p">.</span><span class="nx">has_properties</span><span class="p">())</span>
|
||||
<span class="p">[</span><span class="nx">first</span><span class="p">,</span> <span class="nx">second</span><span class="p">]</span><span class="o">:</span> <span class="nx">variable</span><span class="p">.</span><span class="nx">compile_reference</span><span class="p">(</span><span class="nx">o</span><span class="p">)</span>
|
||||
<span class="p">[</span><span class="nx">first</span><span class="p">,</span> <span class="nx">second</span><span class="p">]</span><span class="o">:</span> <span class="p">[</span><span class="nx">first</span><span class="p">.</span><span class="nx">compile</span><span class="p">(</span><span class="nx">o</span><span class="p">),</span> <span class="nx">second</span><span class="p">.</span><span class="nx">compile</span><span class="p">(</span><span class="nx">o</span><span class="p">)]</span>
|
||||
<span class="s2">"(typeof $first !== \"undefined\" && $second !== null)"</span></pre></div> </td> </tr> <tr id="section-114"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-114">#</a> </div> <h3>ParentheticalNode</h3> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-115"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-115">#</a> </div> <p>An extra set of parentheses, specified explicitly in the source. At one time
|
||||
we tried to clean up the results by detecting and removing redundant
|
||||
parentheses, but no longer -- you can put in as many as you please.</p>
|
||||
|
||||
<p>Parentheses are a good way to force any statement to become an expression.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.ParentheticalNode: </span><span class="nx">class</span> <span class="nx">ParentheticalNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'Paren'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">expression</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">children: </span><span class="p">[</span><span class="err">@</span><span class="nv">expression: </span><span class="nx">expression</span><span class="p">]</span>
|
||||
@@ -771,7 +735,6 @@ expression, able to return the result of each filtered iteration.</p>
|
||||
<p>Unlike Python array comprehensions, they can be multi-line, and you can pass
|
||||
the current index of the loop as a second parameter. Unlike Ruby blocks,
|
||||
you can map and filter in a single pass.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.ForNode: </span><span class="nx">class</span> <span class="nx">ForNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'For'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">body</span><span class="p">,</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">name</span><span class="p">,</span> <span class="nx">index</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">body: </span> <span class="nx">body</span>
|
||||
@@ -806,7 +769,7 @@ some cannot.</p> </td> <td class="code"> <
|
||||
<span class="nv">index: </span> <span class="err">@</span><span class="nx">index</span> <span class="o">and</span> <span class="err">@</span><span class="nx">index</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">o</span>
|
||||
<span class="nx">scope</span><span class="p">.</span><span class="nx">find</span> <span class="nx">name</span> <span class="k">if</span> <span class="nx">name</span>
|
||||
<span class="nx">scope</span><span class="p">.</span><span class="nx">find</span> <span class="nx">index</span> <span class="k">if</span> <span class="nx">index</span>
|
||||
<span class="nv">body_dent: </span> <span class="err">@</span><span class="nx">idt</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
|
||||
<span class="nv">body_dent: </span> <span class="err">@</span><span class="nx">idt</span> <span class="mi">1</span>
|
||||
<span class="nv">rvar: </span> <span class="nx">scope</span><span class="p">.</span><span class="nx">free_variable</span><span class="p">()</span> <span class="nx">unless</span> <span class="nx">top_level</span>
|
||||
<span class="nv">ivar: </span> <span class="k">if</span> <span class="nx">range</span> <span class="k">then</span> <span class="nx">name</span> <span class="k">else</span> <span class="nx">index</span> <span class="o">or</span> <span class="nx">scope</span><span class="p">.</span><span class="nx">free_variable</span><span class="p">()</span>
|
||||
<span class="nv">var_part: </span> <span class="s1">''</span>
|
||||
@@ -833,8 +796,7 @@ some cannot.</p> </td> <td class="code"> <
|
||||
<span class="k">if</span> <span class="err">@</span><span class="nx">filter</span>
|
||||
<span class="nv">body: </span> <span class="nx">Expressions</span><span class="p">.</span><span class="nx">wrap</span><span class="p">([</span><span class="k">new</span> <span class="nx">IfNode</span><span class="p">(</span><span class="err">@</span><span class="nx">filter</span><span class="p">,</span> <span class="nx">body</span><span class="p">)])</span>
|
||||
<span class="k">if</span> <span class="err">@</span><span class="nx">object</span>
|
||||
<span class="nx">o</span><span class="p">.</span><span class="nx">scope</span><span class="p">.</span><span class="nx">assign</span><span class="p">(</span><span class="s1">'__hasProp'</span><span class="p">,</span> <span class="s1">'Object.prototype.hasOwnProperty'</span><span class="p">,</span> <span class="kc">true</span><span class="p">)</span>
|
||||
<span class="nv">for_part: </span><span class="s2">"$ivar in $svar) { if (__hasProp.call($svar, $ivar)"</span>
|
||||
<span class="nv">for_part: </span><span class="s2">"$ivar in $svar) { if (${utility('hasProp')}.call($svar, $ivar)"</span>
|
||||
<span class="nv">body: </span> <span class="nx">body</span><span class="p">.</span><span class="nx">compile</span><span class="p">(</span><span class="nx">merge</span><span class="p">(</span><span class="nx">o</span><span class="p">,</span> <span class="p">{</span><span class="nv">indent: </span><span class="nx">body_dent</span><span class="p">,</span> <span class="nv">top: </span><span class="kc">true</span><span class="p">}))</span>
|
||||
<span class="nv">vars: </span> <span class="k">if</span> <span class="nx">range</span> <span class="k">then</span> <span class="nx">name</span> <span class="k">else</span> <span class="s2">"$name, $ivar"</span>
|
||||
<span class="nv">close: </span> <span class="k">if</span> <span class="err">@</span><span class="nx">object</span> <span class="k">then</span> <span class="s1">'}}\n'</span> <span class="k">else</span> <span class="s1">'}\n'</span>
|
||||
@@ -845,7 +807,6 @@ expression by pushing down requested returns to the last line of each clause.</p
|
||||
|
||||
<p>Single-expression <strong>IfNodes</strong> are compiled into ternary operators if possible,
|
||||
because ternaries are already proper expressions, and don't need conversion.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.IfNode: </span><span class="nx">class</span> <span class="nx">IfNode</span> <span class="k">extends</span> <span class="nx">BaseNode</span>
|
||||
<span class="nv">type: </span><span class="s1">'If'</span>
|
||||
|
||||
<span class="nv">constructor: </span><span class="p">(</span><span class="nx">condition</span><span class="p">,</span> <span class="nx">body</span><span class="p">,</span> <span class="nx">else_body</span><span class="p">,</span> <span class="nx">tags</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nv">condition: </span><span class="nx">condition</span>
|
||||
@@ -903,7 +864,7 @@ force inner <em>else</em> bodies into statement form.</p> </td>
|
||||
<span class="err">@</span><span class="nx">rewrite_switch</span><span class="p">(</span><span class="nx">o</span><span class="p">)</span> <span class="k">if</span> <span class="err">@</span><span class="nx">switcher</span>
|
||||
<span class="nv">child: </span> <span class="nx">del</span> <span class="nx">o</span><span class="p">,</span> <span class="s1">'chain_child'</span>
|
||||
<span class="nv">cond_o: </span> <span class="nx">merge</span> <span class="nx">o</span>
|
||||
<span class="nv">o.indent: </span> <span class="err">@</span><span class="nx">idt</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
|
||||
<span class="nv">o.indent: </span> <span class="err">@</span><span class="nx">idt</span> <span class="mi">1</span>
|
||||
<span class="nv">o.top: </span> <span class="kc">true</span>
|
||||
<span class="nv">if_dent: </span> <span class="k">if</span> <span class="nx">child</span> <span class="k">then</span> <span class="s1">''</span> <span class="k">else</span> <span class="err">@</span><span class="nx">idt</span><span class="p">()</span>
|
||||
<span class="nv">com_dent: </span> <span class="k">if</span> <span class="nx">child</span> <span class="k">then</span> <span class="err">@</span><span class="nx">idt</span><span class="p">()</span> <span class="k">else</span> <span class="s1">''</span>
|
||||
@@ -937,8 +898,31 @@ in which case, no dice.</p> </td> <td class="code">
|
||||
<span class="nv">call: </span><span class="k">new</span> <span class="nx">CallNode</span><span class="p">(</span><span class="k">new</span> <span class="nx">ValueNode</span><span class="p">(</span><span class="nx">func</span><span class="p">,</span> <span class="p">[</span><span class="k">new</span> <span class="nx">AccessorNode</span><span class="p">(</span><span class="nx">literal</span><span class="p">(</span><span class="s1">'call'</span><span class="p">))]),</span> <span class="p">[</span><span class="nx">literal</span><span class="p">(</span><span class="s1">'this'</span><span class="p">)])</span>
|
||||
<span class="k">if</span> <span class="nx">statement</span> <span class="k">then</span> <span class="nx">Expressions</span><span class="p">.</span><span class="nx">wrap</span><span class="p">([</span><span class="nx">call</span><span class="p">])</span> <span class="k">else</span> <span class="nx">call</span>
|
||||
|
||||
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-135"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-135">#</a> </div> <h2>Constants</h2> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-136"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-136">#</a> </div> <p>Tabs are two spaces for pretty printing.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">TAB: </span><span class="s1">' '</span></pre></div> </td> </tr> <tr id="section-137"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-137">#</a> </div> <p>Trim out all trailing whitespace, so that the generated code plays nice
|
||||
with Git.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">TRAILING_WHITESPACE: </span><span class="sr">/\s+$/gm</span></pre></div> </td> </tr> <tr id="section-138"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-138">#</a> </div> <p>Keep this identifier regex in sync with the Lexer.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">IDENTIFIER: </span><span class="sr">/^[a-zA-Z\$_](\w|\$)*$/</span></pre></div> </td> </tr> <tr id="section-139"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-139">#</a> </div> <h2>Utility Functions</h2> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-140"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-140">#</a> </div> <p>Handy helper for a generating LiteralNode.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">literal: </span><span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="k">new</span> <span class="nx">LiteralNode</span><span class="p">(</span><span class="nx">name</span><span class="p">)</span>
|
||||
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-135"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-135">#</a> </div> <h2>Utility Functions</h2> </td> <td class="code"> <div class="highlight"><pre><span class="nv">UTILITIES: </span><span class="p">{</span></pre></div> </td> </tr> <tr id="section-136"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-136">#</a> </div> <p>Correctly set up a prototype chain for inheritance, including a reference
|
||||
to the superclass for <code>super()</code> calls. See:
|
||||
<a href="http://closure-library.googlecode.com/svn/docs/closure_goog_base.js.source.html#line1206">goog.inherits</a>.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">__extends: </span> <span class="s2">"""</span>
|
||||
<span class="s2"> function(child, parent) {</span>
|
||||
<span class="s2"> var ctor = function(){ };</span>
|
||||
<span class="s2"> ctor.prototype = parent.prototype;</span>
|
||||
<span class="s2"> child.__superClass__ = parent.prototype;</span>
|
||||
<span class="s2"> child.prototype = new ctor();</span>
|
||||
<span class="s2"> child.prototype.constructor = child;</span>
|
||||
<span class="s2"> }</span>
|
||||
<span class="s2"> """</span></pre></div> </td> </tr> <tr id="section-137"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-137">#</a> </div> <p>Bind a function to a calling context, optionally including curried arguments.
|
||||
See <a href="http://jashkenas.github.com/coffee-script/documentation/docs/underscore.html#section-47">Underscore's implementation</a>.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">__bind: </span> <span class="s2">"""</span>
|
||||
<span class="s2"> function(func, obj, args) {</span>
|
||||
<span class="s2"> return function() {</span>
|
||||
<span class="s2"> return func.apply(obj || {}, args ? args.concat(__slice.call(arguments, 0)) : arguments);</span>
|
||||
<span class="s2"> };</span>
|
||||
<span class="s2"> }</span>
|
||||
<span class="s2"> """</span></pre></div> </td> </tr> <tr id="section-138"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-138">#</a> </div> <p>Shortcuts to speed up the lookup time for native functions.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">__hasProp: </span><span class="s1">'Object.prototype.hasOwnProperty'</span>
|
||||
<span class="nv">__slice: </span><span class="s1">'Array.prototype.slice'</span>
|
||||
|
||||
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-139"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-139">#</a> </div> <h2>Constants</h2> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-140"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-140">#</a> </div> <p>Tabs are two spaces for pretty printing.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">TAB: </span><span class="s1">' '</span></pre></div> </td> </tr> <tr id="section-141"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-141">#</a> </div> <p>Trim out all trailing whitespace, so that the generated code plays nice
|
||||
with Git.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">TRAILING_WHITESPACE: </span><span class="sr">/\s+$/gm</span></pre></div> </td> </tr> <tr id="section-142"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-142">#</a> </div> <p>Keep this identifier regex in sync with the Lexer.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">IDENTIFIER: </span><span class="sr">/^[a-zA-Z\$_](\w|\$)*$/</span></pre></div> </td> </tr> <tr id="section-143"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-143">#</a> </div> <h2>Utility Functions</h2> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-144"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-144">#</a> </div> <p>Handy helper for a generating LiteralNode.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">literal: </span><span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="k">new</span> <span class="nx">LiteralNode</span><span class="p">(</span><span class="nx">name</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-145"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-145">#</a> </div> <p>Helper for ensuring that utility functions are assigned at the top level.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">utility: </span><span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nv">ref: </span><span class="s2">"__$name"</span>
|
||||
<span class="nx">Scope</span><span class="p">.</span><span class="nx">root</span><span class="p">.</span><span class="nx">assign</span> <span class="nx">ref</span><span class="p">,</span> <span class="nx">UTILITIES</span><span class="p">[</span><span class="nx">ref</span><span class="p">]</span>
|
||||
<span class="nx">ref</span>
|
||||
|
||||
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>
|
||||
@@ -17,7 +17,7 @@ many option parsers that allow you to attach callback actions for every
|
||||
flag. Instead, you're responsible for interpreting the options object.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">parse: </span><span class="p">(</span><span class="nx">args</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nv">options: </span><span class="p">{</span><span class="nv">arguments: </span><span class="p">[]}</span>
|
||||
<span class="nv">args: </span><span class="nx">normalize_arguments</span> <span class="nx">args</span>
|
||||
<span class="k">while</span> <span class="nv">arg: </span><span class="nx">args</span><span class="p">.</span><span class="nx">shift</span><span class="p">()</span>
|
||||
<span class="k">while</span> <span class="p">(</span><span class="nv">arg: </span><span class="nx">args</span><span class="p">.</span><span class="nx">shift</span><span class="p">())</span>
|
||||
<span class="nv">is_option: </span><span class="o">!!</span><span class="p">(</span><span class="nx">arg</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">LONG_FLAG</span><span class="p">)</span> <span class="o">or</span> <span class="nx">arg</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="nx">SHORT_FLAG</span><span class="p">))</span>
|
||||
<span class="nv">matched_rule: </span><span class="kc">no</span>
|
||||
<span class="k">for</span> <span class="nx">rule</span> <span class="k">in</span> <span class="err">@</span><span class="nx">rules</span>
|
||||
|
||||
@@ -20,7 +20,7 @@ corrected before implicit parentheses can be wrapped around blocks of code.</p>
|
||||
<span class="err">@</span><span class="nx">close_open_calls_and_indexes</span><span class="p">()</span>
|
||||
<span class="err">@</span><span class="nx">add_implicit_indentation</span><span class="p">()</span>
|
||||
<span class="err">@</span><span class="nx">add_implicit_parentheses</span><span class="p">()</span>
|
||||
<span class="err">@</span><span class="nx">ensure_balance</span><span class="p">(</span><span class="nx">BALANCED_PAIRS</span><span class="p">)</span>
|
||||
<span class="err">@</span><span class="nx">ensure_balance</span> <span class="nx">BALANCED_PAIRS</span>
|
||||
<span class="err">@</span><span class="nx">rewrite_closing_parens</span><span class="p">()</span>
|
||||
<span class="err">@</span><span class="nx">tokens</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-6">#</a> </div> <p>Rewrite the token stream, looking one token ahead and behind.
|
||||
Allow the return value of the block to tell us how many tokens to move
|
||||
@@ -30,7 +30,7 @@ our feet.</p> </td> <td class="code"> <div
|
||||
<span class="nv">i: </span><span class="mi">0</span>
|
||||
<span class="k">while</span> <span class="kc">true</span>
|
||||
<span class="k">break</span> <span class="nx">unless</span> <span class="err">@</span><span class="nx">tokens</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span>
|
||||
<span class="nv">move: </span><span class="nx">block</span><span class="p">(</span><span class="err">@</span><span class="nx">tokens</span><span class="p">[</span><span class="nx">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">],</span> <span class="err">@</span><span class="nx">tokens</span><span class="p">[</span><span class="nx">i</span><span class="p">],</span> <span class="err">@</span><span class="nx">tokens</span><span class="p">[</span><span class="nx">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">],</span> <span class="nx">i</span><span class="p">)</span>
|
||||
<span class="nv">move: </span><span class="nx">block</span> <span class="err">@</span><span class="nx">tokens</span><span class="p">[</span><span class="nx">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">],</span> <span class="err">@</span><span class="nx">tokens</span><span class="p">[</span><span class="nx">i</span><span class="p">],</span> <span class="err">@</span><span class="nx">tokens</span><span class="p">[</span><span class="nx">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">],</span> <span class="nx">i</span>
|
||||
<span class="nv">i: </span><span class="o">+</span> <span class="nx">move</span>
|
||||
<span class="kc">true</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-7">#</a> </div> <p>Massage newlines and indentations so that comments don't have to be
|
||||
correctly indented, or appear on a line of their own.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">adjust_comments: </span><span class="o">-></span>
|
||||
@@ -51,7 +51,7 @@ dispatch them here.</p> </td> <td class="code">
|
||||
this, remove their trailing newlines.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">remove_mid_expression_newlines: </span><span class="o">-></span>
|
||||
<span class="err">@</span><span class="nx">scan_tokens</span> <span class="p">(</span><span class="nx">prev</span><span class="p">,</span> <span class="nx">token</span><span class="p">,</span> <span class="nx">post</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">=></span>
|
||||
<span class="k">return</span> <span class="mi">1</span> <span class="nx">unless</span> <span class="nx">post</span> <span class="o">and</span> <span class="nx">include</span><span class="p">(</span><span class="nx">EXPRESSION_CLOSE</span><span class="p">,</span> <span class="nx">post</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span> <span class="o">and</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">'TERMINATOR'</span>
|
||||
<span class="err">@</span><span class="nx">tokens</span><span class="p">.</span><span class="nx">splice</span><span class="p">(</span><span class="nx">i</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
|
||||
<span class="err">@</span><span class="nx">tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span><span class="p">,</span> <span class="mi">1</span>
|
||||
<span class="k">return</span> <span class="mi">0</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-10">#</a> </div> <p>The lexer has tagged the opening parenthesis of a method call, and the
|
||||
opening bracket of an indexing operation. Match them with their paired
|
||||
close.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">close_open_calls_and_indexes: </span><span class="o">-></span>
|
||||
@@ -59,8 +59,8 @@ close.</p> </td> <td class="code"> <div cl
|
||||
<span class="nv">brackets: </span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
<span class="err">@</span><span class="nx">scan_tokens</span> <span class="p">(</span><span class="nx">prev</span><span class="p">,</span> <span class="nx">token</span><span class="p">,</span> <span class="nx">post</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">=></span>
|
||||
<span class="k">switch</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
<span class="k">when</span> <span class="s1">'CALL_START'</span> <span class="k">then</span> <span class="nx">parens</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
|
||||
<span class="k">when</span> <span class="s1">'INDEX_START'</span> <span class="k">then</span> <span class="nx">brackets</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
|
||||
<span class="k">when</span> <span class="s1">'CALL_START'</span> <span class="k">then</span> <span class="nx">parens</span><span class="p">.</span><span class="nx">push</span> <span class="mi">0</span>
|
||||
<span class="k">when</span> <span class="s1">'INDEX_START'</span> <span class="k">then</span> <span class="nx">brackets</span><span class="p">.</span><span class="nx">push</span> <span class="mi">0</span>
|
||||
<span class="k">when</span> <span class="s1">'('</span> <span class="k">then</span> <span class="nx">parens</span><span class="p">[</span><span class="nx">parens</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span><span class="o">:</span> <span class="o">+</span> <span class="mi">1</span>
|
||||
<span class="k">when</span> <span class="s1">'['</span> <span class="k">then</span> <span class="nx">brackets</span><span class="p">[</span><span class="nx">brackets</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span><span class="o">:</span> <span class="o">+</span> <span class="mi">1</span>
|
||||
<span class="k">when</span> <span class="s1">')'</span>
|
||||
@@ -88,7 +88,7 @@ deal with them.</p> </td> <td class="code">
|
||||
<span class="k">when</span> <span class="s1">'CALL_END'</span> <span class="k">then</span> <span class="nv">calls: </span><span class="o">-</span> <span class="mi">1</span>
|
||||
<span class="k">when</span> <span class="s1">'('</span> <span class="k">then</span> <span class="nv">parens: </span><span class="o">+</span> <span class="mi">1</span>
|
||||
<span class="k">when</span> <span class="s1">')'</span> <span class="k">then</span> <span class="nv">parens: </span><span class="o">-</span> <span class="mi">1</span>
|
||||
<span class="k">when</span> <span class="s1">'INDENT'</span> <span class="k">then</span> <span class="nx">stack</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
|
||||
<span class="k">when</span> <span class="s1">'INDENT'</span> <span class="k">then</span> <span class="nx">stack</span><span class="p">.</span><span class="nx">push</span> <span class="mi">0</span>
|
||||
<span class="k">when</span> <span class="s1">'OUTDENT'</span>
|
||||
<span class="nv">last: </span><span class="nx">stack</span><span class="p">.</span><span class="nx">pop</span><span class="p">()</span>
|
||||
<span class="nx">stack</span><span class="p">[</span><span class="nx">stack</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span><span class="o">:</span> <span class="o">+</span> <span class="nx">last</span>
|
||||
@@ -104,9 +104,9 @@ deal with them.</p> </td> <td class="code">
|
||||
<span class="nv">size: </span><span class="nx">stack</span><span class="p">[</span><span class="nx">stack</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="nx">stack_pointer</span><span class="p">]</span> <span class="o">+</span> <span class="mi">1</span>
|
||||
<span class="nx">stack</span><span class="p">[</span><span class="nx">stack</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="nx">stack_pointer</span><span class="p">]</span><span class="o">:</span> <span class="mi">0</span>
|
||||
<span class="k">return</span> <span class="nx">size</span>
|
||||
<span class="k">return</span> <span class="mi">1</span> <span class="nx">unless</span> <span class="nx">prev</span> <span class="o">and</span> <span class="nx">include</span><span class="p">(</span><span class="nx">IMPLICIT_FUNC</span><span class="p">,</span> <span class="nx">prev</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span> <span class="o">and</span> <span class="nx">include</span> <span class="nx">IMPLICIT_CALL</span><span class="p">,</span> <span class="nx">tag</span>
|
||||
<span class="k">return</span> <span class="mi">1</span> <span class="nx">unless</span> <span class="nx">prev</span> <span class="o">and</span> <span class="nx">include</span><span class="p">(</span><span class="nx">IMPLICIT_FUNC</span><span class="p">,</span> <span class="nx">prev</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span> <span class="o">and</span> <span class="nx">include</span><span class="p">(</span><span class="nx">IMPLICIT_CALL</span><span class="p">,</span> <span class="nx">tag</span><span class="p">)</span>
|
||||
<span class="nv">calls: </span><span class="mi">0</span>
|
||||
<span class="err">@</span><span class="nx">tokens</span><span class="p">.</span><span class="nx">splice</span><span class="p">(</span><span class="nx">i</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="p">[</span><span class="s1">'CALL_START'</span><span class="p">,</span> <span class="s1">'('</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">2</span><span class="p">]])</span>
|
||||
<span class="err">@</span><span class="nx">tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="p">[</span><span class="s1">'CALL_START'</span><span class="p">,</span> <span class="s1">'('</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">2</span><span class="p">]]</span>
|
||||
<span class="nx">stack</span><span class="p">[</span><span class="nx">stack</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span><span class="o">:</span> <span class="o">+</span> <span class="mi">1</span>
|
||||
<span class="k">return</span> <span class="mi">2</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-12">#</a> </div> <p>Because our grammar is LALR(1), it can't handle some single-line
|
||||
expressions that lack ending delimiters. The <strong>Rewriter</strong> adds the implicit
|
||||
@@ -117,7 +117,7 @@ but we need to make sure it's balanced.</p> </td> <td cl
|
||||
<span class="nx">post</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">isnt</span> <span class="s1">'INDENT'</span> <span class="o">and</span>
|
||||
<span class="o">not</span> <span class="p">(</span><span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">'ELSE'</span> <span class="o">and</span> <span class="nx">post</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">'IF'</span><span class="p">)</span>
|
||||
<span class="nv">starter: </span><span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
<span class="err">@</span><span class="nx">tokens</span><span class="p">.</span><span class="nx">splice</span><span class="p">(</span><span class="nx">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="p">[</span><span class="s1">'INDENT'</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">2</span><span class="p">]])</span>
|
||||
<span class="err">@</span><span class="nx">tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="p">[</span><span class="s1">'INDENT'</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">2</span><span class="p">]]</span>
|
||||
<span class="nv">idx: </span><span class="nx">i</span> <span class="o">+</span> <span class="mi">1</span>
|
||||
<span class="nv">parens: </span><span class="mi">0</span>
|
||||
<span class="k">while</span> <span class="kc">true</span>
|
||||
@@ -131,12 +131,12 @@ but we need to make sure it's balanced.</p> </td> <td cl
|
||||
<span class="nv">insertion: </span><span class="k">if</span> <span class="nx">pre</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s2">","</span> <span class="k">then</span> <span class="nx">idx</span> <span class="o">-</span> <span class="mi">1</span> <span class="k">else</span> <span class="nx">idx</span>
|
||||
<span class="nv">outdent: </span><span class="p">[</span><span class="s1">'OUTDENT'</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="nx">token</span><span class="p">[</span><span class="mi">2</span><span class="p">]]</span>
|
||||
<span class="nv">outdent.generated: </span><span class="kc">true</span>
|
||||
<span class="err">@</span><span class="nx">tokens</span><span class="p">.</span><span class="nx">splice</span><span class="p">(</span><span class="nx">insertion</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="nx">outdent</span><span class="p">)</span>
|
||||
<span class="err">@</span><span class="nx">tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">insertion</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="nx">outdent</span>
|
||||
<span class="k">break</span>
|
||||
<span class="nv">parens: </span><span class="o">+</span> <span class="mi">1</span> <span class="k">if</span> <span class="nx">tok</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">'('</span>
|
||||
<span class="nv">parens: </span><span class="o">-</span> <span class="mi">1</span> <span class="k">if</span> <span class="nx">tok</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">')'</span>
|
||||
<span class="k">return</span> <span class="mi">1</span> <span class="nx">unless</span> <span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">is</span> <span class="s1">'THEN'</span>
|
||||
<span class="err">@</span><span class="nx">tokens</span><span class="p">.</span><span class="nx">splice</span><span class="p">(</span><span class="nx">i</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
|
||||
<span class="err">@</span><span class="nx">tokens</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">i</span><span class="p">,</span> <span class="mi">1</span>
|
||||
<span class="k">return</span> <span class="mi">0</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-13">#</a> </div> <p>Ensure that all listed pairs of tokens are correctly balanced throughout
|
||||
the course of the token stream.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">ensure_balance: </span><span class="p">(</span><span class="nx">pairs</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nv">levels: </span><span class="p">{}</span>
|
||||
|
||||
@@ -5,38 +5,44 @@ and has a reference to its parent enclosing scope. In this way, we know which
|
||||
variables are new and need to be declared with <code>var</code>, and which are shared
|
||||
with the outside.</p> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-2">#</a> </div> <p>Set up exported variables for both <strong>Node.js</strong> and the browser.</p> </td> <td class="code"> <div class="highlight"><pre><span class="k">this</span><span class="p">.</span><span class="nv">exports: </span><span class="k">this</span> <span class="nx">unless</span> <span class="nx">process</span><span class="o">?</span>
|
||||
|
||||
<span class="nv">exports.Scope: </span><span class="nx">class</span> <span class="nx">Scope</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-3">#</a> </div> <p>Initialize a scope with its parent, for lookups up the chain,
|
||||
<span class="nv">exports.Scope: </span><span class="nx">class</span> <span class="nx">Scope</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-3">#</a> </div> <p>The top-level <strong>Scope</strong> object.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="err">@</span><span class="nv">root: </span><span class="kc">null</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-4">#</a> </div> <p>Initialize a scope with its parent, for lookups up the chain,
|
||||
as well as a reference to the <strong>Expressions</strong> node is belongs to, which is
|
||||
where it should declare its variables, and a reference to the function that
|
||||
it wraps.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">constructor: </span><span class="p">(</span><span class="nx">parent</span><span class="p">,</span> <span class="nx">expressions</span><span class="p">,</span> <span class="nx">method</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="p">[</span><span class="err">@</span><span class="nx">parent</span><span class="p">,</span> <span class="err">@</span><span class="nx">expressions</span><span class="p">,</span> <span class="err">@</span><span class="nx">method</span><span class="p">]</span><span class="o">:</span> <span class="p">[</span><span class="nx">parent</span><span class="p">,</span> <span class="nx">expressions</span><span class="p">,</span> <span class="nx">method</span><span class="p">]</span>
|
||||
<span class="err">@</span><span class="nv">variables: </span><span class="p">{}</span>
|
||||
<span class="err">@</span><span class="nv">temp_var: </span><span class="k">if</span> <span class="err">@</span><span class="nx">parent</span> <span class="k">then</span> <span class="err">@</span><span class="nx">parent</span><span class="p">.</span><span class="nx">temp_var</span> <span class="k">else</span> <span class="s1">'_a'</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-4">#</a> </div> <p>Look up a variable name in lexical scope, and declare it if it does not
|
||||
<span class="k">if</span> <span class="err">@</span><span class="nx">parent</span>
|
||||
<span class="err">@</span><span class="nv">temp_var: </span><span class="err">@</span><span class="nx">parent</span><span class="p">.</span><span class="nx">temp_var</span>
|
||||
<span class="k">else</span>
|
||||
<span class="nv">Scope.root: </span><span class="k">this</span>
|
||||
<span class="err">@</span><span class="nv">temp_var: </span><span class="s1">'_a'</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-5">#</a> </div> <p>Look up a variable name in lexical scope, and declare it if it does not
|
||||
already exist.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">find: </span><span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="k">return</span> <span class="kc">true</span> <span class="k">if</span> <span class="err">@</span><span class="nx">check</span> <span class="nx">name</span>
|
||||
<span class="err">@</span><span class="nx">variables</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span><span class="o">:</span> <span class="s1">'var'</span>
|
||||
<span class="kc">false</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-5">#</a> </div> <p>Reserve a variable name as originating from a function parameter for this
|
||||
<span class="kc">false</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-6">#</a> </div> <p>Test variables and return true the first time fn(v, k) returns true</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">any: </span><span class="p">(</span><span class="nx">fn</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="k">for</span> <span class="nx">v</span><span class="p">,</span> <span class="nx">k</span> <span class="k">of</span> <span class="err">@</span><span class="nx">variables</span> <span class="k">when</span> <span class="nx">fn</span><span class="p">(</span><span class="nx">v</span><span class="p">,</span> <span class="nx">k</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="kc">true</span>
|
||||
<span class="k">return</span> <span class="kc">false</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-7">#</a> </div> <p>Reserve a variable name as originating from a function parameter for this
|
||||
scope. No <code>var</code> required for internal references.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">parameter: </span><span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nx">variables</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span><span class="o">:</span> <span class="s1">'param'</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-6">#</a> </div> <p>Just check to see if a variable has already been declared, without reserving.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">check: </span><span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nx">variables</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span><span class="o">:</span> <span class="s1">'param'</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-8">#</a> </div> <p>Just check to see if a variable has already been declared, without reserving.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">check: </span><span class="p">(</span><span class="nx">name</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="k">return</span> <span class="kc">true</span> <span class="k">if</span> <span class="err">@</span><span class="nx">variables</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span>
|
||||
<span class="o">!!</span><span class="p">(</span><span class="err">@</span><span class="nx">parent</span> <span class="o">and</span> <span class="err">@</span><span class="nx">parent</span><span class="p">.</span><span class="nx">check</span><span class="p">(</span><span class="nx">name</span><span class="p">))</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-7">#</a> </div> <p>If we need to store an intermediate result, find an available name for a
|
||||
<span class="o">!!</span><span class="p">(</span><span class="err">@</span><span class="nx">parent</span> <span class="o">and</span> <span class="err">@</span><span class="nx">parent</span><span class="p">.</span><span class="nx">check</span><span class="p">(</span><span class="nx">name</span><span class="p">))</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-9">#</a> </div> <p>If we need to store an intermediate result, find an available name for a
|
||||
compiler-generated variable. <code>_a</code>, <code>_b</code>, and so on...</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">free_variable: </span><span class="o">-></span>
|
||||
<span class="k">while</span> <span class="err">@</span><span class="nx">check</span> <span class="err">@</span><span class="nx">temp_var</span>
|
||||
<span class="nv">ordinal: </span><span class="mi">1</span> <span class="o">+</span> <span class="nb">parseInt</span> <span class="err">@</span><span class="nx">temp_var</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="mi">1</span><span class="p">),</span> <span class="mi">36</span>
|
||||
<span class="err">@</span><span class="nv">temp_var: </span><span class="s1">'_'</span> <span class="o">+</span> <span class="nx">ordinal</span><span class="p">.</span><span class="nx">toString</span><span class="p">(</span><span class="mi">36</span><span class="p">).</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/\d/g</span><span class="p">,</span> <span class="s1">'a'</span><span class="p">)</span>
|
||||
<span class="err">@</span><span class="nx">variables</span><span class="p">[</span><span class="err">@</span><span class="nx">temp_var</span><span class="p">]</span><span class="o">:</span> <span class="s1">'var'</span>
|
||||
<span class="err">@</span><span class="nx">temp_var</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-8">#</a> </div> <p>Ensure that an assignment is made at the top of this scope
|
||||
(or at the top-level scope, if requested).</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">assign: </span><span class="p">(</span><span class="nx">name</span><span class="p">,</span> <span class="nx">value</span><span class="p">,</span> <span class="nx">top_level</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="k">return</span> <span class="err">@</span><span class="nx">parent</span><span class="p">.</span><span class="nx">assign</span><span class="p">(</span><span class="nx">name</span><span class="p">,</span> <span class="nx">value</span><span class="p">,</span> <span class="nx">top_level</span><span class="p">)</span> <span class="k">if</span> <span class="nx">top_level</span> <span class="o">and</span> <span class="err">@</span><span class="nx">parent</span>
|
||||
<span class="err">@</span><span class="nx">variables</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span><span class="o">:</span> <span class="p">{</span><span class="nv">value: </span><span class="nx">value</span><span class="p">,</span> <span class="nv">assigned: </span><span class="kc">true</span><span class="p">}</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-9">#</a> </div> <p>Does this scope reference any variables that need to be declared in the
|
||||
<span class="err">@</span><span class="nx">temp_var</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-10">#</a> </div> <p>Ensure that an assignment is made at the top of this scope
|
||||
(or at the top-level scope, if requested).</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">assign: </span><span class="p">(</span><span class="nx">name</span><span class="p">,</span> <span class="nx">value</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="err">@</span><span class="nx">variables</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span><span class="o">:</span> <span class="p">{</span><span class="nv">value: </span><span class="nx">value</span><span class="p">,</span> <span class="nv">assigned: </span><span class="kc">true</span><span class="p">}</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-11">#</a> </div> <p>Does this scope reference any variables that need to be declared in the
|
||||
given function body?</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">has_declarations: </span><span class="p">(</span><span class="nx">body</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nx">body</span> <span class="o">is</span> <span class="err">@</span><span class="nx">expressions</span> <span class="o">and</span> <span class="err">@</span><span class="nx">declared_variables</span><span class="p">().</span><span class="nx">length</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-10">#</a> </div> <p>Does this scope reference any assignments that need to be declared at the
|
||||
<span class="nx">body</span> <span class="o">is</span> <span class="err">@</span><span class="nx">expressions</span> <span class="o">and</span> <span class="err">@</span><span class="nx">any</span> <span class="p">(</span><span class="nx">k</span><span class="p">,</span> <span class="nx">val</span><span class="p">)</span> <span class="o">-></span> <span class="nx">val</span> <span class="o">is</span> <span class="s1">'var'</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-12">#</a> </div> <p>Does this scope reference any assignments that need to be declared at the
|
||||
top of the given function body?</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">has_assignments: </span><span class="p">(</span><span class="nx">body</span><span class="p">)</span> <span class="o">-></span>
|
||||
<span class="nx">body</span> <span class="o">is</span> <span class="err">@</span><span class="nx">expressions</span> <span class="o">and</span> <span class="err">@</span><span class="nx">assigned_variables</span><span class="p">().</span><span class="nx">length</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-11">#</a> </div> <p>Return the list of variables first declared in this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">declared_variables: </span><span class="o">-></span>
|
||||
<span class="p">(</span><span class="nx">key</span> <span class="k">for</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">val</span> <span class="k">of</span> <span class="err">@</span><span class="nx">variables</span> <span class="k">when</span> <span class="nx">val</span> <span class="o">is</span> <span class="s1">'var'</span><span class="p">).</span><span class="nx">sort</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-12">#</a> </div> <p>Return the list of assignments that are supposed to be made at the top
|
||||
<span class="nx">body</span> <span class="o">is</span> <span class="err">@</span><span class="nx">expressions</span> <span class="o">and</span> <span class="err">@</span><span class="nx">any</span> <span class="p">(</span><span class="nx">k</span><span class="p">,</span> <span class="nx">val</span><span class="p">)</span> <span class="o">-></span> <span class="nx">val</span><span class="p">.</span><span class="nx">assigned</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-13">#</a> </div> <p>Return the list of variables first declared in this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">declared_variables: </span><span class="o">-></span>
|
||||
<span class="p">(</span><span class="nx">key</span> <span class="k">for</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">val</span> <span class="k">of</span> <span class="err">@</span><span class="nx">variables</span> <span class="k">when</span> <span class="nx">val</span> <span class="o">is</span> <span class="s1">'var'</span><span class="p">).</span><span class="nx">sort</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-14">#</a> </div> <p>Return the list of assignments that are supposed to be made at the top
|
||||
of this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">assigned_variables: </span><span class="o">-></span>
|
||||
<span class="s2">"$key = ${val.value}"</span> <span class="k">for</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">val</span> <span class="k">of</span> <span class="err">@</span><span class="nx">variables</span> <span class="k">when</span> <span class="nx">val</span><span class="p">.</span><span class="nx">assigned</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-13">#</a> </div> <p>Compile the JavaScript for all of the variable declarations in this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">compiled_declarations: </span><span class="o">-></span>
|
||||
<span class="err">@</span><span class="nx">declared_variables</span><span class="p">().</span><span class="nx">join</span> <span class="s1">', '</span></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-14">#</a> </div> <p>Compile the JavaScript for all of the variable assignments in this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">compiled_assignments: </span><span class="o">-></span>
|
||||
<span class="s2">"$key = ${val.value}"</span> <span class="k">for</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">val</span> <span class="k">of</span> <span class="err">@</span><span class="nx">variables</span> <span class="k">when</span> <span class="nx">val</span><span class="p">.</span><span class="nx">assigned</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-15">#</a> </div> <p>Compile the JavaScript for all of the variable declarations in this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">compiled_declarations: </span><span class="o">-></span>
|
||||
<span class="err">@</span><span class="nx">declared_variables</span><span class="p">().</span><span class="nx">join</span> <span class="s1">', '</span></pre></div> </td> </tr> <tr id="section-16"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-16">#</a> </div> <p>Compile the JavaScript for all of the variable assignments in this scope.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nv">compiled_assignments: </span><span class="o">-></span>
|
||||
<span class="err">@</span><span class="nx">assigned_variables</span><span class="p">().</span><span class="nx">join</span> <span class="s1">', '</span>
|
||||
|
||||
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>
|
||||
39
lib/nodes.js
39
lib/nodes.js
@@ -16,7 +16,7 @@
|
||||
// but some are created by other nodes as a method of code generation. To convert
|
||||
// the syntax tree into a string of JavaScript code, call `compile()` on the root.
|
||||
// Set up for both **Node.js** and the browser, by
|
||||
// including the [Scope](scope.html) class.
|
||||
// including the [Scope](scope.html) class and the [helper](helpers.html) functions.
|
||||
if ((typeof process !== "undefined" && process !== null)) {
|
||||
Scope = require('./scope').Scope;
|
||||
helpers = require('./helpers').helpers;
|
||||
@@ -25,7 +25,7 @@
|
||||
helpers = this.helpers;
|
||||
Scope = this.Scope;
|
||||
}
|
||||
// Import the helpers we need.
|
||||
// Import the helpers we plan to use.
|
||||
compact = helpers.compact;
|
||||
flatten = helpers.flatten;
|
||||
merge = helpers.merge;
|
||||
@@ -158,7 +158,7 @@
|
||||
BaseNode.prototype.toString = function toString(idt) {
|
||||
var _a, _b, _c, _d, child;
|
||||
idt = idt || '';
|
||||
return '\n' + idt + this.type + (function() {
|
||||
return '\n' + idt + this.constructor.name + (function() {
|
||||
_a = []; _c = this.children;
|
||||
for (_b = 0, _d = _c.length; _b < _d; _b++) {
|
||||
child = _c[_b];
|
||||
@@ -194,7 +194,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(Expressions, BaseNode);
|
||||
Expressions.prototype.type = 'Expressions';
|
||||
// Tack an expression on to the end of this expression list.
|
||||
Expressions.prototype.push = function push(node) {
|
||||
this.expressions.push(node);
|
||||
@@ -322,7 +321,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(LiteralNode, BaseNode);
|
||||
LiteralNode.prototype.type = 'Literal';
|
||||
// Break and continue must be treated as pure statements -- they lose their
|
||||
// meaning when wrapped in a closure.
|
||||
LiteralNode.prototype.is_statement = function is_statement() {
|
||||
@@ -349,7 +347,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(ReturnNode, BaseNode);
|
||||
ReturnNode.prototype.type = 'Return';
|
||||
ReturnNode.prototype.top_sensitive = function top_sensitive() {
|
||||
return true;
|
||||
};
|
||||
@@ -377,7 +374,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(ValueNode, BaseNode);
|
||||
ValueNode.prototype.type = 'Value';
|
||||
ValueNode.prototype.SOAK = " == undefined ? undefined : ";
|
||||
// A **ValueNode** has a base and a list of property accesses.
|
||||
// Add a property access to the list.
|
||||
@@ -471,7 +467,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(CommentNode, BaseNode);
|
||||
CommentNode.prototype.type = 'Comment';
|
||||
CommentNode.prototype.make_return = function make_return() {
|
||||
return this;
|
||||
};
|
||||
@@ -494,7 +489,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(CallNode, BaseNode);
|
||||
CallNode.prototype.type = 'Call';
|
||||
// Tag this invocation as creating a new instance.
|
||||
CallNode.prototype.new_instance = function new_instance() {
|
||||
this.is_new = true;
|
||||
@@ -564,7 +558,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(CurryNode, CallNode);
|
||||
CurryNode.prototype.type = 'Curry';
|
||||
CurryNode.prototype.arguments = function arguments(o) {
|
||||
var _a, _b, _c, arg;
|
||||
_b = this.args;
|
||||
@@ -594,7 +587,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(ExtendsNode, BaseNode);
|
||||
ExtendsNode.prototype.type = 'Extends';
|
||||
// Hooks one constructor into another's prototype chain.
|
||||
ExtendsNode.prototype.compile_node = function compile_node(o) {
|
||||
var ref;
|
||||
@@ -615,7 +607,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(AccessorNode, BaseNode);
|
||||
AccessorNode.prototype.type = 'Accessor';
|
||||
AccessorNode.prototype.compile_node = function compile_node(o) {
|
||||
var proto_part;
|
||||
proto_part = this.prototype ? 'prototype.' : '';
|
||||
@@ -632,7 +623,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(IndexNode, BaseNode);
|
||||
IndexNode.prototype.type = 'Index';
|
||||
IndexNode.prototype.compile_node = function compile_node(o) {
|
||||
var idx;
|
||||
idx = this.index.compile(o);
|
||||
@@ -651,7 +641,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(RangeNode, BaseNode);
|
||||
RangeNode.prototype.type = 'Range';
|
||||
// Compiles the range's source variables -- where it starts and where it ends.
|
||||
RangeNode.prototype.compile_variables = function compile_variables(o) {
|
||||
var _a, _b, from, to;
|
||||
@@ -707,7 +696,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(SliceNode, BaseNode);
|
||||
SliceNode.prototype.type = 'Slice';
|
||||
SliceNode.prototype.compile_node = function compile_node(o) {
|
||||
var from, plus_part, to;
|
||||
from = this.range.from.compile(o);
|
||||
@@ -725,7 +713,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(ObjectNode, BaseNode);
|
||||
ObjectNode.prototype.type = 'Object';
|
||||
// All the mucking about with commas is to make sure that CommentNodes and
|
||||
// AssignNodes get interleaved correctly, with no trailing commas or
|
||||
// commas affixed to comments.
|
||||
@@ -775,7 +762,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(ArrayNode, BaseNode);
|
||||
ArrayNode.prototype.type = 'Array';
|
||||
ArrayNode.prototype.compile_node = function compile_node(o) {
|
||||
var _a, _b, code, ending, i, obj, objects;
|
||||
o.indent = this.idt(1);
|
||||
@@ -809,7 +795,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(ClassNode, BaseNode);
|
||||
ClassNode.prototype.type = 'Class';
|
||||
// Initialize a **ClassNode** with its name, an optional superclass, and a
|
||||
// list of prototype property assignments.
|
||||
ClassNode.prototype.make_return = function make_return() {
|
||||
@@ -869,7 +854,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(AssignNode, BaseNode);
|
||||
AssignNode.prototype.type = 'Assign';
|
||||
// Matchers for detecting prototype assignments.
|
||||
AssignNode.prototype.PROTO_ASSIGN = /^(\S+)\.prototype/;
|
||||
AssignNode.prototype.LEADING_DOT = /^\.(prototype\.)?/;
|
||||
@@ -993,7 +977,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(CodeNode, BaseNode);
|
||||
CodeNode.prototype.type = 'Code';
|
||||
// Compilation creates a new scope unless explicitly asked to share with the
|
||||
// outer scope. Handles splat parameters in the parameter list by peeking at
|
||||
// the JavaScript `arguments` objects. If the function is bound with the `=>`
|
||||
@@ -1099,7 +1082,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(SplatNode, BaseNode);
|
||||
SplatNode.prototype.type = 'Splat';
|
||||
SplatNode.prototype.compile_node = function compile_node(o) {
|
||||
var _a;
|
||||
if ((typeof (_a = this.index) !== "undefined" && _a !== null)) {
|
||||
@@ -1170,7 +1152,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(WhileNode, BaseNode);
|
||||
WhileNode.prototype.type = 'While';
|
||||
WhileNode.prototype.add_body = function add_body(body) {
|
||||
this.children.push((this.body = body));
|
||||
return this;
|
||||
@@ -1219,14 +1200,13 @@
|
||||
// CoffeeScript operations into their JavaScript equivalents.
|
||||
exports.OpNode = (function() {
|
||||
OpNode = function OpNode(operator, first, second, flip) {
|
||||
this.type += ' ' + operator;
|
||||
this.constructor.name += ' ' + operator;
|
||||
this.children = compact([(this.first = first), (this.second = second)]);
|
||||
this.operator = this.CONVERSIONS[operator] || operator;
|
||||
this.flip = !!flip;
|
||||
return this;
|
||||
};
|
||||
__extends(OpNode, BaseNode);
|
||||
OpNode.prototype.type = 'Op';
|
||||
// The map of conversions from CoffeeScript to JavaScript symbols.
|
||||
OpNode.prototype.CONVERSIONS = {
|
||||
'==': '===',
|
||||
@@ -1327,7 +1307,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(TryNode, BaseNode);
|
||||
TryNode.prototype.type = 'Try';
|
||||
TryNode.prototype.make_return = function make_return() {
|
||||
if (this.attempt) {
|
||||
this.attempt = this.attempt.make_return();
|
||||
@@ -1360,7 +1339,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(ThrowNode, BaseNode);
|
||||
ThrowNode.prototype.type = 'Throw';
|
||||
// A **ThrowNode** is already a return, of sorts...
|
||||
ThrowNode.prototype.make_return = function make_return() {
|
||||
return this;
|
||||
@@ -1381,7 +1359,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(ExistenceNode, BaseNode);
|
||||
ExistenceNode.prototype.type = 'Existence';
|
||||
ExistenceNode.prototype.compile_node = function compile_node(o) {
|
||||
return ExistenceNode.compile_test(o, this.expression);
|
||||
};
|
||||
@@ -1416,7 +1393,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(ParentheticalNode, BaseNode);
|
||||
ParentheticalNode.prototype.type = 'Paren';
|
||||
ParentheticalNode.prototype.is_statement = function is_statement() {
|
||||
return this.expression.is_statement();
|
||||
};
|
||||
@@ -1468,7 +1444,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(ForNode, BaseNode);
|
||||
ForNode.prototype.type = 'For';
|
||||
ForNode.prototype.top_sensitive = function top_sensitive() {
|
||||
return true;
|
||||
};
|
||||
@@ -1572,7 +1547,6 @@
|
||||
return this;
|
||||
};
|
||||
__extends(IfNode, BaseNode);
|
||||
IfNode.prototype.type = 'If';
|
||||
// Add a new *else* clause to this **IfNode**, or push it down to the bottom
|
||||
// of the chain recursively.
|
||||
IfNode.prototype.push = function push(else_body) {
|
||||
@@ -1737,11 +1711,12 @@
|
||||
UTILITIES = {
|
||||
// Correctly set up a prototype chain for inheritance, including a reference
|
||||
// to the superclass for `super()` calls. See:
|
||||
// [goog.inherits](http://closure-library.googlecode.com/svn/docs/closure_goog_base.js.source.html#line1206)
|
||||
// [goog.inherits](http://closure-library.googlecode.com/svn/docs/closure_goog_base.js.source.html#line1206).
|
||||
__extends: "function(child, parent) {\n var ctor = function(){ };\n ctor.prototype = parent.prototype;\n child.__superClass__ = parent.prototype;\n child.prototype = new ctor();\n child.prototype.constructor = child;\n }",
|
||||
// Bind a function to a calling context, optionally including curried arguments.
|
||||
// See [Underscore's implementation](http://jashkenas.github.com/coffee-script/documentation/docs/underscore.html#section-47)
|
||||
// See [Underscore's implementation](http://jashkenas.github.com/coffee-script/documentation/docs/underscore.html#section-47).
|
||||
__bind: "function(func, obj, args) {\n return function() {\n return func.apply(obj || {}, args ? args.concat(__slice.call(arguments, 0)) : arguments);\n };\n }",
|
||||
// Shortcuts to speed up the lookup time for native functions.
|
||||
__hasProp: 'Object.prototype.hasOwnProperty',
|
||||
__slice: 'Array.prototype.slice'
|
||||
};
|
||||
|
||||
@@ -44,7 +44,7 @@ exports.Lexer: class Lexer
|
||||
# Before returning the token stream, run it through the [Rewriter](rewriter.html)
|
||||
# unless explicitly asked not to.
|
||||
tokenize: (code, options) ->
|
||||
code : code.replace(/(\r|\s+$)/g, '')
|
||||
code : code.replace /(\r|\s+$)/g, ''
|
||||
o : options or {}
|
||||
@code : code # The remainder of the source code.
|
||||
@i : 0 # Current character position we're parsing.
|
||||
@@ -53,7 +53,7 @@ exports.Lexer: class Lexer
|
||||
@indents : [] # The stack of all current indentation levels.
|
||||
@tokens : [] # Stream of parsed tokens in the form ['TYPE', value, line]
|
||||
while @i < @code.length
|
||||
@chunk: @code.slice(@i)
|
||||
@chunk: @code.slice @i
|
||||
@extract_next_token()
|
||||
@close_indentation()
|
||||
return @tokens if o.rewrite is off
|
||||
@@ -94,7 +94,7 @@ exports.Lexer: class Lexer
|
||||
identifier_token: ->
|
||||
return false unless id: @match IDENTIFIER, 1
|
||||
@name_access_type()
|
||||
accessed: include ACCESSORS, @tag(0)
|
||||
accessed: include ACCESSORS, @tag 0
|
||||
tag: 'IDENTIFIER'
|
||||
tag: id.toUpperCase() if not accessed and include(KEYWORDS, id)
|
||||
@identifier_error id if include RESERVED, id
|
||||
@@ -102,8 +102,8 @@ exports.Lexer: class Lexer
|
||||
@i: + id.length
|
||||
if not accessed
|
||||
tag: id: CONVERSIONS[id] if include COFFEE_ALIASES, id
|
||||
return @tag_half_assignment(tag) if @prev() and @prev()[0] is 'ASSIGN' and include HALF_ASSIGNMENTS, tag
|
||||
@token(tag, id)
|
||||
return @tag_half_assignment tag if @prev() and @prev()[0] is 'ASSIGN' and include HALF_ASSIGNMENTS, tag
|
||||
@token tag, id
|
||||
true
|
||||
|
||||
# Matches numbers, including decimals, hex, and exponential notation.
|
||||
@@ -120,7 +120,7 @@ exports.Lexer: class Lexer
|
||||
return false unless string:
|
||||
@balanced_token(['"', '"'], ['${', '}']) or
|
||||
@balanced_token ["'", "'"]
|
||||
@interpolate_string string.replace(STRING_NEWLINES, " \\\n")
|
||||
@interpolate_string string.replace STRING_NEWLINES, " \\\n"
|
||||
@line: + count string, "\n"
|
||||
@i: + string.length
|
||||
true
|
||||
@@ -129,7 +129,7 @@ exports.Lexer: class Lexer
|
||||
# preserve whitespace, but ignore indentation to the left.
|
||||
heredoc_token: ->
|
||||
return false unless match: @chunk.match(HEREDOC)
|
||||
quote: match[1].substr(0, 1)
|
||||
quote: match[1].substr 0, 1
|
||||
doc: @sanitize_heredoc match[2] or match[4], quote
|
||||
@interpolate_string "$quote$doc$quote"
|
||||
@line: + count match[1], "\n"
|
||||
@@ -140,7 +140,7 @@ exports.Lexer: class Lexer
|
||||
js_token: ->
|
||||
return false unless starts @chunk, '`'
|
||||
return false unless script: @balanced_token ['`', '`']
|
||||
@token 'JS', script.replace(JS_CLEANER, '')
|
||||
@token 'JS', script.replace JS_CLEANER, ''
|
||||
@i: + script.length
|
||||
true
|
||||
|
||||
@@ -152,7 +152,7 @@ exports.Lexer: class Lexer
|
||||
return false unless @chunk.match REGEX_START
|
||||
return false if include NOT_REGEX, @tag()
|
||||
return false unless regex: @balanced_token ['/', '/']
|
||||
regex: + (flags: @chunk.substr(regex.length).match(REGEX_FLAGS))
|
||||
regex: + (flags: @chunk.substr(regex.length).match REGEX_FLAGS)
|
||||
if regex.match REGEX_INTERPOLATION
|
||||
str: regex.substring(1).split('/')[0]
|
||||
str: str.replace REGEX_ESCAPE, (escaped) -> '\\' + escaped
|
||||
@@ -174,7 +174,7 @@ exports.Lexer: class Lexer
|
||||
comment_token: ->
|
||||
return false unless comment: @match COMMENT, 1
|
||||
@line: + (comment.match(MULTILINER) or []).length
|
||||
lines: compact comment.replace(COMMENT_CLEANER, '').split(MULTILINER)
|
||||
lines: compact comment.replace(COMMENT_CLEANER, '').split MULTILINER
|
||||
i: @tokens.length - 1
|
||||
if @unfinished()
|
||||
i: - 1 while @tokens[i] and not include LINE_BREAK, @tokens[i][0]
|
||||
@@ -202,7 +202,7 @@ exports.Lexer: class Lexer
|
||||
no_newlines: next_character is '.' or @unfinished()
|
||||
if size is @indent
|
||||
return @suppress_newlines() if no_newlines
|
||||
return @newline_token(indent)
|
||||
return @newline_token indent
|
||||
else if size > @indent
|
||||
return @suppress_newlines() if no_newlines
|
||||
diff: size - @indent
|
||||
@@ -249,14 +249,14 @@ exports.Lexer: class Lexer
|
||||
# here. `;` and newlines are both treated as a `TERMINATOR`, we distinguish
|
||||
# parentheses that indicate a method call from regular parentheses, and so on.
|
||||
literal_token: ->
|
||||
match: @chunk.match(OPERATOR)
|
||||
match: @chunk.match OPERATOR
|
||||
value: match and match[1]
|
||||
space: match and match[2]
|
||||
@tag_parameters() if value and value.match(CODE)
|
||||
value: or @chunk.substr(0, 1)
|
||||
@tag_parameters() if value and value.match CODE
|
||||
value: or @chunk.substr 0, 1
|
||||
prev_spaced: @prev() and @prev().spaced
|
||||
tag: value
|
||||
if value.match(ASSIGNMENT)
|
||||
if value.match ASSIGNMENT
|
||||
tag: 'ASSIGN'
|
||||
@assignment_error() if include JS_FORBIDDEN, @value
|
||||
else if value is ';'
|
||||
@@ -272,7 +272,7 @@ exports.Lexer: class Lexer
|
||||
tag: 'CALL_START' if value is '('
|
||||
tag: 'INDEX_START' if value is '['
|
||||
@i: + value.length
|
||||
return @tag_half_assignment(tag) if space and prev_spaced and @prev()[0] is 'ASSIGN' and include HALF_ASSIGNMENTS, tag
|
||||
return @tag_half_assignment tag if space and prev_spaced and @prev()[0] is 'ASSIGN' and include HALF_ASSIGNMENTS, tag
|
||||
@token tag, value
|
||||
true
|
||||
|
||||
@@ -312,7 +312,7 @@ exports.Lexer: class Lexer
|
||||
i: 0
|
||||
while true
|
||||
i: + 1
|
||||
tok: @prev(i)
|
||||
tok: @prev i
|
||||
return if not tok
|
||||
switch tok[0]
|
||||
when 'IDENTIFIER' then tok[0]: 'PARAM'
|
||||
@@ -322,7 +322,7 @@ exports.Lexer: class Lexer
|
||||
|
||||
# Close up all remaining open blocks at the end of the file.
|
||||
close_indentation: ->
|
||||
@outdent_token(@indent)
|
||||
@outdent_token @indent
|
||||
|
||||
# The error for when you try to use a forbidden word in JavaScript as
|
||||
# an identifier.
|
||||
@@ -350,7 +350,7 @@ exports.Lexer: class Lexer
|
||||
else
|
||||
lexer: new Lexer()
|
||||
tokens: []
|
||||
quote: str.substring(0, 1)
|
||||
quote: str.substring 0, 1
|
||||
[i, pi]: [1, 1]
|
||||
while i < str.length - 1
|
||||
if starts str, '\\', i
|
||||
@@ -393,17 +393,17 @@ exports.Lexer: class Lexer
|
||||
|
||||
# Add a token to the results, taking note of the line number.
|
||||
token: (tag, value) ->
|
||||
@tokens.push([tag, value, @line])
|
||||
@tokens.push [tag, value, @line]
|
||||
|
||||
# Peek at a tag in the current token stream.
|
||||
tag: (index, tag) ->
|
||||
return unless tok: @prev(index)
|
||||
return unless tok: @prev index
|
||||
return tok[0]: tag if tag?
|
||||
tok[0]
|
||||
|
||||
# Peek at a value in the current token stream.
|
||||
value: (index, val) ->
|
||||
return unless tok: @prev(index)
|
||||
return unless tok: @prev index
|
||||
return tok[1]: val if val?
|
||||
tok[1]
|
||||
|
||||
@@ -414,7 +414,7 @@ exports.Lexer: class Lexer
|
||||
# Attempt to match a string against the current chunk, returning the indexed
|
||||
# match if successful, and `false` otherwise.
|
||||
match: (regex, index) ->
|
||||
return false unless m: @chunk.match(regex)
|
||||
return false unless m: @chunk.match regex
|
||||
if m then m[index] else false
|
||||
|
||||
# Are we in the midst of an unfinished expression?
|
||||
|
||||
@@ -4,7 +4,7 @@
|
||||
# the syntax tree into a string of JavaScript code, call `compile()` on the root.
|
||||
|
||||
# Set up for both **Node.js** and the browser, by
|
||||
# including the [Scope](scope.html) class.
|
||||
# including the [Scope](scope.html) class and the [helper](helpers.html) functions.
|
||||
if process?
|
||||
Scope: require('./scope').Scope
|
||||
helpers: require('./helpers').helpers
|
||||
@@ -13,7 +13,7 @@ else
|
||||
helpers: this.helpers
|
||||
Scope: this.Scope
|
||||
|
||||
# Import the helpers we need.
|
||||
# Import the helpers we plan to use.
|
||||
compact: helpers.compact
|
||||
flatten: helpers.flatten
|
||||
merge: helpers.merge
|
||||
@@ -113,7 +113,7 @@ exports.BaseNode: class BaseNode
|
||||
# This is what `coffee --nodes` prints out.
|
||||
toString: (idt) ->
|
||||
idt: or ''
|
||||
'\n' + idt + @type + (child.toString(idt + TAB) for child in @children).join('')
|
||||
'\n' + idt + @constructor.name + (child.toString(idt + TAB) for child in @children).join('')
|
||||
|
||||
# Default implementations of the common node identification methods. Nodes
|
||||
# will override these with custom logic, if needed.
|
||||
@@ -129,7 +129,6 @@ exports.BaseNode: class BaseNode
|
||||
# indented block of code -- the implementation of a function, a clause in an
|
||||
# `if`, `switch`, or `try`, and so on...
|
||||
exports.Expressions: class Expressions extends BaseNode
|
||||
type: 'Expressions'
|
||||
|
||||
constructor: (nodes) ->
|
||||
@children: @expressions: compact flatten nodes or []
|
||||
@@ -214,7 +213,6 @@ statement Expressions
|
||||
# JavaScript without translation, such as: strings, numbers,
|
||||
# `true`, `false`, `null`...
|
||||
exports.LiteralNode: class LiteralNode extends BaseNode
|
||||
type: 'Literal'
|
||||
|
||||
constructor: (value) ->
|
||||
@value: value
|
||||
@@ -238,7 +236,6 @@ exports.LiteralNode: class LiteralNode extends BaseNode
|
||||
# A `return` is a *pure_statement* -- wrapping it in a closure wouldn't
|
||||
# make sense.
|
||||
exports.ReturnNode: class ReturnNode extends BaseNode
|
||||
type: 'Return'
|
||||
|
||||
constructor: (expression) ->
|
||||
@children: [@expression: expression]
|
||||
@@ -260,7 +257,6 @@ statement ReturnNode, true
|
||||
# A value, variable or literal or parenthesized, indexed or dotted into,
|
||||
# or vanilla.
|
||||
exports.ValueNode: class ValueNode extends BaseNode
|
||||
type: 'Value'
|
||||
|
||||
SOAK: " == undefined ? undefined : "
|
||||
|
||||
@@ -335,7 +331,6 @@ exports.ValueNode: class ValueNode extends BaseNode
|
||||
# CoffeeScript passes through comments as JavaScript comments at the
|
||||
# same position.
|
||||
exports.CommentNode: class CommentNode extends BaseNode
|
||||
type: 'Comment'
|
||||
|
||||
constructor: (lines) ->
|
||||
@lines: lines
|
||||
@@ -354,7 +349,6 @@ statement CommentNode
|
||||
# Node for a function invocation. Takes care of converting `super()` calls into
|
||||
# calls against the prototype's function of the same name.
|
||||
exports.CallNode: class CallNode extends BaseNode
|
||||
type: 'Call'
|
||||
|
||||
constructor: (variable, args) ->
|
||||
@is_new: false
|
||||
@@ -406,7 +400,6 @@ exports.CallNode: class CallNode extends BaseNode
|
||||
# returning the bound function. After ECMAScript 5, Prototype.js, and
|
||||
# Underscore's `bind` functions.
|
||||
exports.CurryNode: class CurryNode extends CallNode
|
||||
type: 'Curry'
|
||||
|
||||
constructor: (meth, args) ->
|
||||
@children: flatten [@meth: meth, @context: args[0], @args: (args.slice(1) or [])]
|
||||
@@ -429,7 +422,6 @@ exports.CurryNode: class CurryNode extends CallNode
|
||||
# After `goog.inherits` from the
|
||||
# [Closure Library](http://closure-library.googlecode.com/svn/docs/closure_goog_base.js.html).
|
||||
exports.ExtendsNode: class ExtendsNode extends BaseNode
|
||||
type: 'Extends'
|
||||
|
||||
constructor: (child, parent) ->
|
||||
@children: [@child: child, @parent: parent]
|
||||
@@ -444,11 +436,10 @@ exports.ExtendsNode: class ExtendsNode extends BaseNode
|
||||
# A `.` accessor into a property of a value, or the `::` shorthand for
|
||||
# an accessor into the object's prototype.
|
||||
exports.AccessorNode: class AccessorNode extends BaseNode
|
||||
type: 'Accessor'
|
||||
|
||||
constructor: (name, tag) ->
|
||||
@children: [@name: name]
|
||||
@prototype: tag is 'prototype'
|
||||
@prototype:tag is 'prototype'
|
||||
@soak_node: tag is 'soak'
|
||||
this
|
||||
|
||||
@@ -460,7 +451,6 @@ exports.AccessorNode: class AccessorNode extends BaseNode
|
||||
|
||||
# A `[ ... ]` indexed accessor into an array or object.
|
||||
exports.IndexNode: class IndexNode extends BaseNode
|
||||
type: 'Index'
|
||||
|
||||
constructor: (index, tag) ->
|
||||
@children: [@index: index]
|
||||
@@ -476,7 +466,6 @@ exports.IndexNode: class IndexNode extends BaseNode
|
||||
# to specify a range for comprehensions, or as a value, to be expanded into the
|
||||
# corresponding array of integers at runtime.
|
||||
exports.RangeNode: class RangeNode extends BaseNode
|
||||
type: 'Range'
|
||||
|
||||
constructor: (from, to, exclusive) ->
|
||||
@children: [@from: from, @to: to]
|
||||
@@ -518,7 +507,6 @@ exports.RangeNode: class RangeNode extends BaseNode
|
||||
# specifies the index of the end of the slice, just as the first parameter
|
||||
# is the index of the beginning.
|
||||
exports.SliceNode: class SliceNode extends BaseNode
|
||||
type: 'Slice'
|
||||
|
||||
constructor: (range) ->
|
||||
@children: [@range: range]
|
||||
@@ -534,7 +522,6 @@ exports.SliceNode: class SliceNode extends BaseNode
|
||||
|
||||
# An object literal, nothing fancy.
|
||||
exports.ObjectNode: class ObjectNode extends BaseNode
|
||||
type: 'Object'
|
||||
|
||||
constructor: (props) ->
|
||||
@children: @objects: @properties: props or []
|
||||
@@ -545,14 +532,14 @@ exports.ObjectNode: class ObjectNode extends BaseNode
|
||||
#
|
||||
# *TODO: Extract this and add it to ArrayNode*.
|
||||
compile_node: (o) ->
|
||||
o.indent: @idt(1)
|
||||
o.indent: @idt 1
|
||||
non_comments: prop for prop in @properties when not (prop instanceof CommentNode)
|
||||
last_noncom: non_comments[non_comments.length - 1]
|
||||
props: for prop, i in @properties
|
||||
join: ",\n"
|
||||
join: "\n" if (prop is last_noncom) or (prop instanceof CommentNode)
|
||||
join: '' if i is @properties.length - 1
|
||||
indent: if prop instanceof CommentNode then '' else @idt(1)
|
||||
indent: if prop instanceof CommentNode then '' else @idt 1
|
||||
indent + prop.compile(o) + join
|
||||
props: props.join('')
|
||||
inner: if props then '\n' + props + '\n' + @idt() else ''
|
||||
@@ -562,14 +549,13 @@ exports.ObjectNode: class ObjectNode extends BaseNode
|
||||
|
||||
# An array literal.
|
||||
exports.ArrayNode: class ArrayNode extends BaseNode
|
||||
type: 'Array'
|
||||
|
||||
constructor: (objects) ->
|
||||
@children: @objects: objects or []
|
||||
@compile_splat_literal: SplatNode.compile_mixed_array <- @, @objects
|
||||
|
||||
compile_node: (o) ->
|
||||
o.indent: @idt(1)
|
||||
o.indent: @idt 1
|
||||
objects: []
|
||||
for obj, i in @objects
|
||||
code: obj.compile(o)
|
||||
@@ -589,7 +575,6 @@ exports.ArrayNode: class ArrayNode extends BaseNode
|
||||
|
||||
# The CoffeeScript class definition.
|
||||
exports.ClassNode: class ClassNode extends BaseNode
|
||||
type: 'Class'
|
||||
|
||||
# Initialize a **ClassNode** with its name, an optional superclass, and a
|
||||
# list of prototype property assignments.
|
||||
@@ -645,7 +630,6 @@ statement ClassNode
|
||||
# The **AssignNode** is used to assign a local variable to value, or to set the
|
||||
# property of an object -- including within object literals.
|
||||
exports.AssignNode: class AssignNode extends BaseNode
|
||||
type: 'Assign'
|
||||
|
||||
# Matchers for detecting prototype assignments.
|
||||
PROTO_ASSIGN: /^(\S+)\.prototype/
|
||||
@@ -735,7 +719,6 @@ exports.AssignNode: class AssignNode extends BaseNode
|
||||
# When for the purposes of walking the contents of a function body, the CodeNode
|
||||
# has no *children* -- they're within the inner scope.
|
||||
exports.CodeNode: class CodeNode extends BaseNode
|
||||
type: 'Code'
|
||||
|
||||
constructor: (params, body, tag) ->
|
||||
@params: params or []
|
||||
@@ -804,7 +787,6 @@ exports.CodeNode: class CodeNode extends BaseNode
|
||||
# A splat, either as a parameter to a function, an argument to a call,
|
||||
# or as part of a destructuring assignment.
|
||||
exports.SplatNode: class SplatNode extends BaseNode
|
||||
type: 'Splat'
|
||||
|
||||
constructor: (name) ->
|
||||
name: literal(name) unless name.compile
|
||||
@@ -857,7 +839,6 @@ exports.SplatNode: class SplatNode extends BaseNode
|
||||
# it, all other loops can be manufactured. Useful in cases where you need more
|
||||
# flexibility or more speed than a comprehension can provide.
|
||||
exports.WhileNode: class WhileNode extends BaseNode
|
||||
type: 'While'
|
||||
|
||||
constructor: (condition, opts) ->
|
||||
@children:[@condition: condition]
|
||||
@@ -879,7 +860,7 @@ exports.WhileNode: class WhileNode extends BaseNode
|
||||
# return an array containing the computed result of each iteration.
|
||||
compile_node: (o) ->
|
||||
top: del(o, 'top') and not @returns
|
||||
o.indent: @idt(1)
|
||||
o.indent: @idt 1
|
||||
o.top: true
|
||||
cond: @condition.compile(o)
|
||||
set: ''
|
||||
@@ -903,7 +884,6 @@ statement WhileNode
|
||||
# Simple Arithmetic and logical operations. Performs some conversion from
|
||||
# CoffeeScript operations into their JavaScript equivalents.
|
||||
exports.OpNode: class OpNode extends BaseNode
|
||||
type: 'Op'
|
||||
|
||||
# The map of conversions from CoffeeScript to JavaScript symbols.
|
||||
CONVERSIONS: {
|
||||
@@ -922,7 +902,7 @@ exports.OpNode: class OpNode extends BaseNode
|
||||
PREFIX_OPERATORS: ['typeof', 'delete']
|
||||
|
||||
constructor: (operator, first, second, flip) ->
|
||||
@type: + ' ' + operator
|
||||
@constructor.name: + ' ' + operator
|
||||
@children: compact [@first: first, @second: second]
|
||||
@operator: @CONVERSIONS[operator] or operator
|
||||
@flip: !!flip
|
||||
@@ -979,7 +959,6 @@ exports.OpNode: class OpNode extends BaseNode
|
||||
|
||||
# A classic *try/catch/finally* block.
|
||||
exports.TryNode: class TryNode extends BaseNode
|
||||
type: 'Try'
|
||||
|
||||
constructor: (attempt, error, recovery, ensure) ->
|
||||
@children: compact [@attempt: attempt, @recovery: recovery, @ensure: ensure]
|
||||
@@ -994,7 +973,7 @@ exports.TryNode: class TryNode extends BaseNode
|
||||
# Compilation is more or less as you would expect -- the *finally* clause
|
||||
# is optional, the *catch* is not.
|
||||
compile_node: (o) ->
|
||||
o.indent: @idt(1)
|
||||
o.indent: @idt 1
|
||||
o.top: true
|
||||
attempt_part: @attempt.compile(o)
|
||||
error_part: if @error then " (${ @error.compile(o) }) " else ' '
|
||||
@@ -1008,7 +987,6 @@ statement TryNode
|
||||
|
||||
# Simple node to throw an exception.
|
||||
exports.ThrowNode: class ThrowNode extends BaseNode
|
||||
type: 'Throw'
|
||||
|
||||
constructor: (expression) ->
|
||||
@children: [@expression: expression]
|
||||
@@ -1028,7 +1006,6 @@ statement ThrowNode
|
||||
# similar to `.nil?` in Ruby, and avoids having to consult a JavaScript truth
|
||||
# table.
|
||||
exports.ExistenceNode: class ExistenceNode extends BaseNode
|
||||
type: 'Existence'
|
||||
|
||||
constructor: (expression) ->
|
||||
@children: [@expression: expression]
|
||||
@@ -1054,7 +1031,6 @@ exports.ExistenceNode: class ExistenceNode extends BaseNode
|
||||
#
|
||||
# Parentheses are a good way to force any statement to become an expression.
|
||||
exports.ParentheticalNode: class ParentheticalNode extends BaseNode
|
||||
type: 'Paren'
|
||||
|
||||
constructor: (expression) ->
|
||||
@children: [@expression: expression]
|
||||
@@ -1082,7 +1058,6 @@ exports.ParentheticalNode: class ParentheticalNode extends BaseNode
|
||||
# the current index of the loop as a second parameter. Unlike Ruby blocks,
|
||||
# you can map and filter in a single pass.
|
||||
exports.ForNode: class ForNode extends BaseNode
|
||||
type: 'For'
|
||||
|
||||
constructor: (body, source, name, index) ->
|
||||
@body: body
|
||||
@@ -1120,7 +1095,7 @@ exports.ForNode: class ForNode extends BaseNode
|
||||
index: @index and @index.compile o
|
||||
scope.find name if name
|
||||
scope.find index if index
|
||||
body_dent: @idt(1)
|
||||
body_dent: @idt 1
|
||||
rvar: scope.free_variable() unless top_level
|
||||
ivar: if range then name else index or scope.free_variable()
|
||||
var_part: ''
|
||||
@@ -1163,7 +1138,6 @@ statement ForNode
|
||||
# Single-expression **IfNodes** are compiled into ternary operators if possible,
|
||||
# because ternaries are already proper expressions, and don't need conversion.
|
||||
exports.IfNode: class IfNode extends BaseNode
|
||||
type: 'If'
|
||||
|
||||
constructor: (condition, body, else_body, tags) ->
|
||||
@condition: condition
|
||||
@@ -1242,7 +1216,7 @@ exports.IfNode: class IfNode extends BaseNode
|
||||
@rewrite_switch(o) if @switcher
|
||||
child: del o, 'chain_child'
|
||||
cond_o: merge o
|
||||
o.indent: @idt(1)
|
||||
o.indent: @idt 1
|
||||
o.top: true
|
||||
if_dent: if child then '' else @idt()
|
||||
com_dent: if child then @idt() else ''
|
||||
@@ -1304,7 +1278,7 @@ UTILITIES: {
|
||||
|
||||
# Correctly set up a prototype chain for inheritance, including a reference
|
||||
# to the superclass for `super()` calls. See:
|
||||
# [goog.inherits](http://closure-library.googlecode.com/svn/docs/closure_goog_base.js.source.html#line1206)
|
||||
# [goog.inherits](http://closure-library.googlecode.com/svn/docs/closure_goog_base.js.source.html#line1206).
|
||||
__extends: """
|
||||
function(child, parent) {
|
||||
var ctor = function(){ };
|
||||
@@ -1316,7 +1290,7 @@ UTILITIES: {
|
||||
"""
|
||||
|
||||
# Bind a function to a calling context, optionally including curried arguments.
|
||||
# See [Underscore's implementation](http://jashkenas.github.com/coffee-script/documentation/docs/underscore.html#section-47)
|
||||
# See [Underscore's implementation](http://jashkenas.github.com/coffee-script/documentation/docs/underscore.html#section-47).
|
||||
__bind: """
|
||||
function(func, obj, args) {
|
||||
return function() {
|
||||
@@ -1325,9 +1299,9 @@ UTILITIES: {
|
||||
}
|
||||
"""
|
||||
|
||||
__hasProp:'Object.prototype.hasOwnProperty'
|
||||
|
||||
__slice: 'Array.prototype.slice'
|
||||
# Shortcuts to speed up the lookup time for native functions.
|
||||
__hasProp: 'Object.prototype.hasOwnProperty'
|
||||
__slice: 'Array.prototype.slice'
|
||||
|
||||
}
|
||||
|
||||
|
||||
@@ -32,7 +32,7 @@ exports.Rewriter: class Rewriter
|
||||
@close_open_calls_and_indexes()
|
||||
@add_implicit_indentation()
|
||||
@add_implicit_parentheses()
|
||||
@ensure_balance(BALANCED_PAIRS)
|
||||
@ensure_balance BALANCED_PAIRS
|
||||
@rewrite_closing_parens()
|
||||
@tokens
|
||||
|
||||
@@ -45,7 +45,7 @@ exports.Rewriter: class Rewriter
|
||||
i: 0
|
||||
while true
|
||||
break unless @tokens[i]
|
||||
move: block(@tokens[i - 1], @tokens[i], @tokens[i + 1], i)
|
||||
move: block @tokens[i - 1], @tokens[i], @tokens[i + 1], i
|
||||
i: + move
|
||||
true
|
||||
|
||||
@@ -75,7 +75,7 @@ exports.Rewriter: class Rewriter
|
||||
remove_mid_expression_newlines: ->
|
||||
@scan_tokens (prev, token, post, i) =>
|
||||
return 1 unless post and include(EXPRESSION_CLOSE, post[0]) and token[0] is 'TERMINATOR'
|
||||
@tokens.splice(i, 1)
|
||||
@tokens.splice i, 1
|
||||
return 0
|
||||
|
||||
# The lexer has tagged the opening parenthesis of a method call, and the
|
||||
@@ -86,8 +86,8 @@ exports.Rewriter: class Rewriter
|
||||
brackets: [0]
|
||||
@scan_tokens (prev, token, post, i) =>
|
||||
switch token[0]
|
||||
when 'CALL_START' then parens.push(0)
|
||||
when 'INDEX_START' then brackets.push(0)
|
||||
when 'CALL_START' then parens.push 0
|
||||
when 'INDEX_START' then brackets.push 0
|
||||
when '(' then parens[parens.length - 1]: + 1
|
||||
when '[' then brackets[brackets.length - 1]: + 1
|
||||
when ')'
|
||||
@@ -118,7 +118,7 @@ exports.Rewriter: class Rewriter
|
||||
when 'CALL_END' then calls: - 1
|
||||
when '(' then parens: + 1
|
||||
when ')' then parens: - 1
|
||||
when 'INDENT' then stack.push(0)
|
||||
when 'INDENT' then stack.push 0
|
||||
when 'OUTDENT'
|
||||
last: stack.pop()
|
||||
stack[stack.length - 1]: + last
|
||||
@@ -134,9 +134,9 @@ exports.Rewriter: class Rewriter
|
||||
size: stack[stack.length - stack_pointer] + 1
|
||||
stack[stack.length - stack_pointer]: 0
|
||||
return size
|
||||
return 1 unless prev and include(IMPLICIT_FUNC, prev[0]) and include IMPLICIT_CALL, tag
|
||||
return 1 unless prev and include(IMPLICIT_FUNC, prev[0]) and include(IMPLICIT_CALL, tag)
|
||||
calls: 0
|
||||
@tokens.splice(i, 0, ['CALL_START', '(', token[2]])
|
||||
@tokens.splice i, 0, ['CALL_START', '(', token[2]]
|
||||
stack[stack.length - 1]: + 1
|
||||
return 2
|
||||
|
||||
@@ -150,7 +150,7 @@ exports.Rewriter: class Rewriter
|
||||
post[0] isnt 'INDENT' and
|
||||
not (token[0] is 'ELSE' and post[0] is 'IF')
|
||||
starter: token[0]
|
||||
@tokens.splice(i + 1, 0, ['INDENT', 2, token[2]])
|
||||
@tokens.splice i + 1, 0, ['INDENT', 2, token[2]]
|
||||
idx: i + 1
|
||||
parens: 0
|
||||
while true
|
||||
@@ -164,12 +164,12 @@ exports.Rewriter: class Rewriter
|
||||
insertion: if pre[0] is "," then idx - 1 else idx
|
||||
outdent: ['OUTDENT', 2, token[2]]
|
||||
outdent.generated: true
|
||||
@tokens.splice(insertion, 0, outdent)
|
||||
@tokens.splice insertion, 0, outdent
|
||||
break
|
||||
parens: + 1 if tok[0] is '('
|
||||
parens: - 1 if tok[0] is ')'
|
||||
return 1 unless token[0] is 'THEN'
|
||||
@tokens.splice(i, 1)
|
||||
@tokens.splice i, 1
|
||||
return 0
|
||||
|
||||
# Ensure that all listed pairs of tokens are correctly balanced throughout
|
||||
|
||||
Reference in New Issue
Block a user