Fix |quote| visibility in generated parsers

|quote| is used outside of the |parse| function so it must be defined in
more outer scope.

Fixes a problem (introduced in e9d8dc8eba)
where construction of some error messages could throw an error.

src/emitter.js

@@ -248,6 +248,30 @@ PEG.compiler.emitter = function(ast) {
             '(function(){',
             '  /* Generated by PEG.js @VERSION (http://pegjs.majda.cz/). */',
             '  ',
+            /* This needs to be in sync with |quote| in utils.js. */
+            '  function quote(s) {',
+            '    /*',
+            '     * ECMA-262, 5th ed., 7.8.4: All characters may appear literally in a',
+            '     * string literal except for the closing quote character, backslash,',
+            '     * carriage return, line separator, paragraph separator, and line feed.',
+            '     * Any character may appear in the form of an escape sequence.',
+            '     *',
+            '     * For portability, we also escape escape all control and non-ASCII',
+            '     * characters. Note that "\\0" and "\\v" escape sequences are not used',
+            '     * because JSHint does not like the first and IE the second.',
+            '     */',
+            '     return \'"\' + s',
+            '      .replace(/\\\\/g, \'\\\\\\\\\')  // backslash',
+            '      .replace(/"/g, \'\\\\"\')    // closing quote character',
+            '      .replace(/\\x08/g, \'\\\\b\') // backspace',
+            '      .replace(/\\t/g, \'\\\\t\')   // horizontal tab',
+            '      .replace(/\\n/g, \'\\\\n\')   // line feed',
+            '      .replace(/\\f/g, \'\\\\f\')   // form feed',
+            '      .replace(/\\r/g, \'\\\\r\')   // carriage return',
+            '      .replace(/[\\x00-\\x07\\x0B\\x0E-\\x1F\\x80-\\uFFFF]/g, escape)',
+            '      + \'"\';',
+            '  }',
+            '  ',
             '  var result = {',
             '    /*',
             '     * Parses the input with a generated parser. If the parsing is successfull,',
@@ -303,30 +327,6 @@ PEG.compiler.emitter = function(ast) {
             '        return \'\\\\\' + escapeChar + padLeft(charCode.toString(16).toUpperCase(), \'0\', length);',
             '      }',
             '      ',
-            /* This needs to be in sync with |quote| in utils.js. */
-            '      function quote(s) {',
-            '        /*',
-            '         * ECMA-262, 5th ed., 7.8.4: All characters may appear literally in a',
-            '         * string literal except for the closing quote character, backslash,',
-            '         * carriage return, line separator, paragraph separator, and line feed.',
-            '         * Any character may appear in the form of an escape sequence.',
-            '         *',
-            '         * For portability, we also escape escape all control and non-ASCII',
-            '         * characters. Note that "\\0" and "\\v" escape sequences are not used',
-            '         * because JSHint does not like the first and IE the second.',
-            '         */',
-            '        return \'"\' + s',
-            '          .replace(/\\\\/g, \'\\\\\\\\\')  // backslash',
-            '          .replace(/"/g, \'\\\\"\')    // closing quote character',
-            '          .replace(/\\x08/g, \'\\\\b\') // backspace',
-            '          .replace(/\\t/g, \'\\\\t\')   // horizontal tab',
-            '          .replace(/\\n/g, \'\\\\n\')   // line feed',
-            '          .replace(/\\f/g, \'\\\\f\')   // form feed',
-            '          .replace(/\\r/g, \'\\\\r\')   // carriage return',
-            '          .replace(/[\\x00-\\x07\\x0B\\x0E-\\x1F\\x80-\\uFFFF]/g, escape)',
-            '          + \'"\';',
-            '      }',
-            '      ',
             '      function matchFailed(failure) {',
             '        if (pos < rightmostFailuresPos) {',
             '          return;',

src/parser.js

@@ -1,6 +1,29 @@
 PEG.parser = (function(){
   /* Generated by PEG.js 0.6.2 (http://pegjs.majda.cz/). */
   
+  function quote(s) {
+    /*
+     * ECMA-262, 5th ed., 7.8.4: All characters may appear literally in a
+     * string literal except for the closing quote character, backslash,
+     * carriage return, line separator, paragraph separator, and line feed.
+     * Any character may appear in the form of an escape sequence.
+     *
+     * For portability, we also escape escape all control and non-ASCII
+     * characters. Note that "\0" and "\v" escape sequences are not used
+     * because JSHint does not like the first and IE the second.
+     */
+     return '"' + s
+      .replace(/\\/g, '\\\\')  // backslash
+      .replace(/"/g, '\\"')    // closing quote character
+      .replace(/\x08/g, '\\b') // backspace
+      .replace(/\t/g, '\\t')   // horizontal tab
+      .replace(/\n/g, '\\n')   // line feed
+      .replace(/\f/g, '\\f')   // form feed
+      .replace(/\r/g, '\\r')   // carriage return
+      .replace(/[\x00-\x07\x0B\x0E-\x1F\x80-\uFFFF]/g, escape)
+      + '"';
+  }
+  
   var result = {
     /*
      * Parses the input with a generated parser. If the parsing is successfull,
@@ -109,29 +132,6 @@ PEG.parser = (function(){
         return '\\' + escapeChar + padLeft(charCode.toString(16).toUpperCase(), '0', length);
       }
       
-      function quote(s) {
-        /*
-         * ECMA-262, 5th ed., 7.8.4: All characters may appear literally in a
-         * string literal except for the closing quote character, backslash,
-         * carriage return, line separator, paragraph separator, and line feed.
-         * Any character may appear in the form of an escape sequence.
-         *
-         * For portability, we also escape escape all control and non-ASCII
-         * characters. Note that "\0" and "\v" escape sequences are not used
-         * because JSHint does not like the first and IE the second.
-         */
-        return '"' + s
-          .replace(/\\/g, '\\\\')  // backslash
-          .replace(/"/g, '\\"')    // closing quote character
-          .replace(/\x08/g, '\\b') // backspace
-          .replace(/\t/g, '\\t')   // horizontal tab
-          .replace(/\n/g, '\\n')   // line feed
-          .replace(/\f/g, '\\f')   // form feed
-          .replace(/\r/g, '\\r')   // carriage return
-          .replace(/[\x00-\x07\x0B\x0E-\x1F\x80-\uFFFF]/g, escape)
-          + '"';
-      }
-      
       function matchFailed(failure) {
         if (pos < rightmostFailuresPos) {
           return;