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implementing the CoffeeScript compiler using interpolation where appropriate.

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This commit is contained in:
Jeremy Ashkenas
2010-03-06 13:59:11 -05:00
parent 15b00cb3ca
commit e977967eb5
13 changed files with 44 additions and 38 deletions
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6
src/grammar.coffee
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@@ -8,8 +8,8 @@ unwrap: /function\s*\(\)\s*\{\s*return\s*([\s\S]*);\s*\}/
# Quickie DSL for Jison access.
o: (pattern_string, func, options) ->
if func
func: if match: (func + "").match(unwrap) then match[1] else '(' + func + '())'
[pattern_string, '$$ = ' + func + ';', options]
func: if match: (func + '').match(unwrap) then match[1] else "($func())"
[pattern_string, "$$ = $func;", options]
else
[pattern_string, '$$ = $1;', options]
@@ -464,7 +464,7 @@ for name, non_terminal of grammar
if !grammar[part]
tokens.push(part)
if name == "Root"
option[1] = "return " + option[1]
option[1] = "return ${option[1]}"
option
tokens: tokens.join(" ")
exports.parser: new Parser({tokens: tokens, bnf: bnf, operators: operators.reverse(), startSymbol: 'Root'}, {debug: false})