Issue #572. Flexible JavaScript block comments, compatible with JSDoc, YUI-compressor, and Google Closure compiler preservation syntax.

lib/lexer.js

@@ -163,17 +163,16 @@
       return true;
     };
     Lexer.prototype.commentToken = function() {
-      var comment, match;
+      var match;
       if (!(match = this.chunk.match(COMMENT))) {
         return false;
       }
       this.line += count(match[1], "\n");
       this.i += match[1].length;
       if (match[2]) {
-        comment = this.sanitizeHeredoc(match[2], {
+        this.token('HERECOMMENT', this.sanitizeHeredoc(match[2], {
           herecomment: true
-        });
-        this.token('HERECOMMENT', comment.split(MULTILINER));
+        }));
         this.token('TERMINATOR', '\n');
       }
       return true;
@@ -604,7 +603,7 @@
   HEREDOC = /^("{6}|'{6}|"{3}\n?([\s\S]*?)\n?([ \t]*)"{3}|'{3}\n?([\s\S]*?)\n?([ \t]*)'{3})/;
   OPERATOR = /^(-[\-=>]?|\+[+=]?|[*&|\/%=<>^:!?]+)([ \t]*)/;
   WHITESPACE = /^([ \t]+)/;
-  COMMENT = /^(\s*\#{3}(?!#)[ \t]*\n+([\s\S]*?)[ \t]*\n+[ \t]*\#{3}|(\s*#(?!##[^#])[^\n]*)+)/;
+  COMMENT = /^(\s*\#{3}(?!#)([\s\S]*?)\#{3}[ \t]*\n|(\s*#(?!##[^#])[^\n]*)+)/;
   CODE = /^((-|=)>)/;
   MULTI_DENT = /^((\n([ \t]*))+)(\.)?/;
   LAST_DENTS = /\n([ \t]*)/g;

lib/nodes.js

@@ -425,7 +425,7 @@
   })();
   exports.CommentNode = (function() {
     CommentNode = function(_b) {
-      this.lines = _b;
+      this.comment = _b;
       CommentNode.__superClass__.constructor.call(this);
       return this;
     };
@@ -438,9 +438,7 @@
       return this;
     };
     CommentNode.prototype.compileNode = function(o) {
-      var sep;
-      sep = this.tab + '// ';
-      return sep + this.lines.join('\n' + sep);
+      return this.tab + '/*' + this.comment.replace(/\r?\n/g, '\n' + this.tab) + '*/';
     };
     return CommentNode;
   })();

src/lexer.coffee

@@ -145,8 +145,7 @@ exports.Lexer = class Lexer
     @line += count match[1], "\n"
     @i += match[1].length
     if match[2]
-      comment = @sanitizeHeredoc match[2], herecomment: true
-      @token 'HERECOMMENT', comment.split MULTILINER
+      @token 'HERECOMMENT', @sanitizeHeredoc match[2], herecomment: true
       @token 'TERMINATOR', '\n'
     true
 
@@ -521,7 +520,7 @@ NUMBER        = /^(((\b0(x|X)[0-9a-fA-F]+)|((\b[0-9]+(\.[0-9]+)?|\.[0-9]+)(e[+\-
 HEREDOC       = /^("{6}|'{6}|"{3}\n?([\s\S]*?)\n?([ \t]*)"{3}|'{3}\n?([\s\S]*?)\n?([ \t]*)'{3})/
 OPERATOR      = /^(-[\-=>]?|\+[+=]?|[*&|\/%=<>^:!?]+)([ \t]*)/
 WHITESPACE    = /^([ \t]+)/
-COMMENT       = /^(\s*\#{3}(?!#)[ \t]*\n+([\s\S]*?)[ \t]*\n+[ \t]*\#{3}|(\s*#(?!##[^#])[^\n]*)+)/
+COMMENT       = /^(\s*\#{3}(?!#)([\s\S]*?)\#{3}[ \t]*\n|(\s*#(?!##[^#])[^\n]*)+)/
 CODE          = /^((-|=)>)/
 MULTI_DENT    = /^((\n([ \t]*))+)(\.)?/
 LAST_DENTS    = /\n([ \t]*)/g

src/nodes.coffee

@@ -392,15 +392,14 @@ exports.CommentNode = class CommentNode extends BaseNode
   class: 'CommentNode'
   isStatement: -> yes
 
-  constructor: (@lines) ->
+  constructor: (@comment) ->
     super()
 
   makeReturn: ->
     this
 
   compileNode: (o) ->
-    sep = @tab + '// '
-    sep + @lines.join '\n' + sep
+    @tab + '/*' + @comment.replace(/\r?\n/g, '\n' + @tab) + '*/'
 
 #### CallNode