amber/lang/base/parser.js

/*
 * Generated by PEG.js 0.10.0.
 *
 * http://pegjs.org/
 */
define(["./boot"], function($boot) {
  "use strict";

  function peg$subclass(child, parent) {
    function ctor() { this.constructor = child; }
    ctor.prototype = parent.prototype;
    child.prototype = new ctor();
  }

  function peg$SyntaxError(message, expected, found, location) {
    this.message  = message;
    this.expected = expected;
    this.found    = found;
    this.location = location;
    this.name     = "SyntaxError";

    if (typeof Error.captureStackTrace === "function") {
      Error.captureStackTrace(this, peg$SyntaxError);
    }
  }

  peg$subclass(peg$SyntaxError, Error);

  peg$SyntaxError.buildMessage = function(expected, found) {
    var DESCRIBE_EXPECTATION_FNS = {
          literal: function(expectation) {
            return "\"" + literalEscape(expectation.text) + "\"";
          },

          "class": function(expectation) {
            var escapedParts = "",
                i;

            for (i = 0; i < expectation.parts.length; i++) {
              escapedParts += expectation.parts[i] instanceof Array
                ? classEscape(expectation.parts[i][0]) + "-" + classEscape(expectation.parts[i][1])
                : classEscape(expectation.parts[i]);
            }

            return "[" + (expectation.inverted ? "^" : "") + escapedParts + "]";
          },

          any: function(expectation) {
            return "any character";
          },

          end: function(expectation) {
            return "end of input";
          },

          other: function(expectation) {
            return expectation.description;
          }
        };

    function hex(ch) {
      return ch.charCodeAt(0).toString(16).toUpperCase();
    }

    function literalEscape(s) {
      return s
        .replace(/\\/g, '\\\\')
        .replace(/"/g,  '\\"')
        .replace(/\0/g, '\\0')
        .replace(/\t/g, '\\t')
        .replace(/\n/g, '\\n')
        .replace(/\r/g, '\\r')
        .replace(/[\x00-\x0F]/g,          function(ch) { return '\\x0' + hex(ch); })
        .replace(/[\x10-\x1F\x7F-\x9F]/g, function(ch) { return '\\x'  + hex(ch); });
    }

    function classEscape(s) {
      return s
        .replace(/\\/g, '\\\\')
        .replace(/\]/g, '\\]')
        .replace(/\^/g, '\\^')
        .replace(/-/g,  '\\-')
        .replace(/\0/g, '\\0')
        .replace(/\t/g, '\\t')
        .replace(/\n/g, '\\n')
        .replace(/\r/g, '\\r')
        .replace(/[\x00-\x0F]/g,          function(ch) { return '\\x0' + hex(ch); })
        .replace(/[\x10-\x1F\x7F-\x9F]/g, function(ch) { return '\\x'  + hex(ch); });
    }

    function describeExpectation(expectation) {
      return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation);
    }

    function describeExpected(expected) {
      var descriptions = new Array(expected.length),
          i, j;

      for (i = 0; i < expected.length; i++) {
        descriptions[i] = describeExpectation(expected[i]);
      }

      descriptions.sort();

      if (descriptions.length > 0) {
        for (i = 1, j = 1; i < descriptions.length; i++) {
          if (descriptions[i - 1] !== descriptions[i]) {
            descriptions[j] = descriptions[i];
            j++;
          }
        }
        descriptions.length = j;
      }

      switch (descriptions.length) {
        case 1:
          return descriptions[0];

        case 2:
          return descriptions[0] + " or " + descriptions[1];

        default:
          return descriptions.slice(0, -1).join(", ")
            + ", or "
            + descriptions[descriptions.length - 1];
      }
    }

    function describeFound(found) {
      return found ? "\"" + literalEscape(found) + "\"" : "end of input";
    }

    return "Expected " + describeExpected(expected) + " but " + describeFound(found) + " found.";
  };

  function peg$parse(input, options) {
    options = options !== void 0 ? options : {};

    var peg$FAILED = {},

        peg$startRuleFunctions = { start: peg$parsestart },
        peg$startRuleFunction  = peg$parsestart,

        peg$c0 = /^[ \t\x0B\f\xA0\u1680\u2000-\u200A\u202F\u205F\u3000\uFEFF\n\r\u2028\u2029]/,
        peg$c1 = peg$classExpectation([" ", "\t", "\x0B", "\f", "\xA0", "\u1680", ["\u2000", "\u200A"], "\u202F", "\u205F", "\u3000", "\uFEFF", "\n", "\r", "\u2028", "\u2029"], false, false),
        peg$c2 = "\"",
        peg$c3 = peg$literalExpectation("\"", false),
        peg$c4 = /^[^"]/,
        peg$c5 = peg$classExpectation(["\""], true, false),
        peg$c6 = ".",
        peg$c7 = peg$literalExpectation(".", false),
        peg$c8 = /^[a-zA-Z]/,
        peg$c9 = peg$classExpectation([["a", "z"], ["A", "Z"]], false, false),
        peg$c10 = /^[a-zA-Z0-9]/,
        peg$c11 = peg$classExpectation([["a", "z"], ["A", "Z"], ["0", "9"]], false, false),
        peg$c12 = ":",
        peg$c13 = peg$literalExpectation(":", false),
        peg$c14 = /^[A-Z]/,
        peg$c15 = peg$classExpectation([["A", "Z"]], false, false),
        peg$c16 = function(val) {
        	return newNode($globals.ValueNode)._value_(val);
        },
        peg$c17 = "'",
        peg$c18 = peg$literalExpectation("'", false),
        peg$c19 = "''",
        peg$c20 = peg$literalExpectation("''", false),
        peg$c21 = function() {return '\'';},
        peg$c22 = /^[^']/,
        peg$c23 = peg$classExpectation(["'"], true, false),
        peg$c24 = function(val) {return val.join('');},
        peg$c25 = "$",
        peg$c26 = peg$literalExpectation("$", false),
        peg$c27 = peg$anyExpectation(),
        peg$c28 = function(char) {
        	return newNode($globals.ValueNode)._value_(char);
        },
        peg$c29 = "#",
        peg$c30 = peg$literalExpectation("#", false),
        peg$c31 = function(rest) {return rest;},
        peg$c32 = "e",
        peg$c33 = peg$literalExpectation("e", false),
        peg$c34 = function(n) {return parseFloat(n);},
        peg$c35 = "-",
        peg$c36 = peg$literalExpectation("-", false),
        peg$c37 = "16r",
        peg$c38 = peg$literalExpectation("16r", false),
        peg$c39 = /^[0-9a-fA-F]/,
        peg$c40 = peg$classExpectation([["0", "9"], ["a", "f"], ["A", "F"]], false, false),
        peg$c41 = function(neg, num) {
        	return parseInt(((neg || '') + num), 16);
        },
        peg$c42 = /^[0-9]/,
        peg$c43 = peg$classExpectation([["0", "9"]], false, false),
        peg$c44 = function(n) {return parseFloat(n, 10);},
        peg$c45 = function(n) {return parseInt(n, 10);},
        peg$c46 = "#(",
        peg$c47 = peg$literalExpectation("#(", false),
        peg$c48 = ")",
        peg$c49 = peg$literalExpectation(")", false),
        peg$c50 = function(rest) {
        	return newNode($globals.ValueNode)._value_(rest);
        },
        peg$c51 = "(",
        peg$c52 = peg$literalExpectation("(", false),
        peg$c53 = function(lit) {return lit._value();},
        peg$c54 = "{",
        peg$c55 = peg$literalExpectation("{", false),
        peg$c56 = "}",
        peg$c57 = peg$literalExpectation("}", false),
        peg$c58 = function(expressions) {
        	return newNode($globals.DynamicArrayNode)._dagChildren_(expressions || []);
        },
        peg$c59 = "#{",
        peg$c60 = peg$literalExpectation("#{", false),
        peg$c61 = function(expressions) {
        	return newNode($globals.DynamicDictionaryNode)._dagChildren_(expressions || []);
        },
        peg$c62 = "true",
        peg$c63 = peg$literalExpectation("true", false),
        peg$c64 = function() {return true;},
        peg$c65 = "false",
        peg$c66 = peg$literalExpectation("false", false),
        peg$c67 = function() {return false;},
        peg$c68 = "nil",
        peg$c69 = peg$literalExpectation("nil", false),
        peg$c70 = function() {return null;},
        peg$c71 = function(identifier) {
        	return newNode($globals.VariableNode)._value_(identifier);
        },
        peg$c72 = /^[\\+*\/=><,@%~|&\-]/,
        peg$c73 = peg$classExpectation(["\\", "+", "*", "/", "=", ">", "<", ",", "@", "%", "~", "|", "&", "-"], false, false),
        peg$c74 = function(key, arg) {return {key:key, arg:arg};},
        peg$c75 = function(pairs) {
        		var selector = '';
        		var params = [];
        		for(var i = 0; i < pairs.length; i++) {
        			selector += pairs[i].key;
        			params.push(pairs[i].arg);
        		}
        		return [selector, params];
        	},
        peg$c76 = function(selector, arg) {
        	return [selector, [arg]];
        },
        peg$c77 = function(selector) {return [selector, []];},
        peg$c78 = function(expression) {
        	return expression;
        },
        peg$c79 = function(first, others) {
        	return [first].concat(others);
        },
        peg$c80 = function(selector) {
        	return $globals.Message._selector_arguments_(selector, []);
        },
        peg$c81 = function(pairs) {
        		var selector = '';
        		var args = [];
        		for(var i = 0; i < pairs.length; i++) {
        			selector += pairs[i].key;
        			args.push(pairs[i].arg._value());
        		}
        		return $globals.Message._selector_arguments_(selector, args)
        	},
        peg$c82 = "<",
        peg$c83 = peg$literalExpectation("<", false),
        peg$c84 = ">",
        peg$c85 = peg$literalExpectation(">", false),
        peg$c86 = function(message) {return message;},
        peg$c87 = ":=",
        peg$c88 = peg$literalExpectation(":=", false),
        peg$c89 = function(variable, expression) {
        	return newNode($globals.AssignmentNode)._left_(variable)._right_(expression);
        },
        peg$c90 = "^",
        peg$c91 = peg$literalExpectation("^", false),
        peg$c92 = function(expression) {
        	return newNode($globals.ReturnNode)._dagChildren_([expression]);
        },
        peg$c93 = "|",
        peg$c94 = peg$literalExpectation("|", false),
        peg$c95 = function(variable) {return variable;},
        peg$c96 = function(vars) {
        	return vars;
        },
        peg$c97 = function(param) {return param;},
        peg$c98 = function(params) {
        		return params;
        	},
        peg$c99 = function(ret) {return [ret];},
        peg$c100 = function(exps, ret) {
        		var expressions = exps;
        		expressions.push(ret);
        		return expressions;
        	},
        peg$c101 = function(expressions) {return expressions || [];},
        peg$c102 = function(aPragmas, temps, zPragmas, statements) {
        	return [newNode($globals.SequenceNode)
        		._temps_(temps || [])
        		._dagChildren_(statements || []), (aPragmas || []).concat(zPragmas || [])];
        },
        peg$c103 = function(temps, statements) {
        	return newNode($globals.BlockSequenceNode)
        		._temps_(temps || [])
        		._dagChildren_(statements || []);
        },
        peg$c104 = "[",
        peg$c105 = peg$literalExpectation("[", false),
        peg$c106 = "]",
        peg$c107 = peg$literalExpectation("]", false),
        peg$c108 = function(params, sequence) {
        	return newNode($globals.BlockNode)._parameters_(params || [])._dagChildren_([sequence]);
        },
        peg$c109 = function(selector) {
        	return newNode($globals.SendNode)._selector_(selector);
        },
        peg$c110 = function(receiver, tail) {
        	return receiver._withTail_(tail);
        },
        peg$c111 = function(selector, arg) {
        	return newNode($globals.SendNode)._selector_(selector)._arguments_([arg]);
        },
        peg$c112 = function(unarys, binarys) { return unarys.concat(binarys); },
        peg$c113 = function(pairs) {
        		var selector = '';
        		var args = [];
        		for(var i = 0; i < pairs.length; i++) {
        			selector += pairs[i].key;
        			args.push(pairs[i].arg);
        		}
        		return newNode($globals.SendNode)._selector_(selector)._arguments_(args);
        	},
        peg$c114 = function(binarys, final) {
        	if (final) binarys.push(final);
        	return binarys;
        },
        peg$c115 = function(receiver, tail) {return tail.length > 0;},
        peg$c116 = ";",
        peg$c117 = peg$literalExpectation(";", false),
        peg$c118 = function(receiver, tail, mess) {return mess;},
        peg$c119 = function(receiver, tail, messages) {
        		messages.unshift(receiver._withTail_(tail));
        		return newNode($globals.CascadeNode)._dagChildren_(messages);
        	},
        peg$c120 = function(pattern, sequence) {
        		return newNode($globals.MethodNode)
        			._selector_(pattern[0])
        			._arguments_(pattern[1])
        			._pragmas_(sequence[1])
        			._dagChildren_([sequence[0]]);
        	},
        peg$c121 = function(receiver, tail) { return tail.length > 0 && tail[tail.length-1]._selector() === '->' },
        peg$c122 = function(receiver, tail) {
        	    var last = tail.pop();
        		return [receiver._withTail_(tail), last._arguments()[0]];
        	},
        peg$c123 = function(first, others) {
        	return first.concat.apply(first, others);
        },

        peg$currPos          = 0,
        peg$savedPos         = 0,
        peg$posDetailsCache  = [{ line: 1, column: 1 }],
        peg$maxFailPos       = 0,
        peg$maxFailExpected  = [],
        peg$silentFails      = 0,

        peg$resultsCache = {},

        peg$result;

    if ("startRule" in options) {
      if (!(options.startRule in peg$startRuleFunctions)) {
        throw new Error("Can't start parsing from rule \"" + options.startRule + "\".");
      }

      peg$startRuleFunction = peg$startRuleFunctions[options.startRule];
    }

    function text() {
      return input.substring(peg$savedPos, peg$currPos);
    }

    function location() {
      return peg$computeLocation(peg$savedPos, peg$currPos);
    }

    function expected(description, location) {
      location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos)

      throw peg$buildStructuredError(
        [peg$otherExpectation(description)],
        input.substring(peg$savedPos, peg$currPos),
        location
      );
    }

    function error(message, location) {
      location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos)

      throw peg$buildSimpleError(message, location);
    }

    function peg$literalExpectation(text, ignoreCase) {
      return { type: "literal", text: text, ignoreCase: ignoreCase };
    }

    function peg$classExpectation(parts, inverted, ignoreCase) {
      return { type: "class", parts: parts, inverted: inverted, ignoreCase: ignoreCase };
    }

    function peg$anyExpectation() {
      return { type: "any" };
    }

    function peg$endExpectation() {
      return { type: "end" };
    }

    function peg$otherExpectation(description) {
      return { type: "other", description: description };
    }

    function peg$computePosDetails(pos) {
      var details = peg$posDetailsCache[pos], p;

      if (details) {
        return details;
      } else {
        p = pos - 1;
        while (!peg$posDetailsCache[p]) {
          p--;
        }

        details = peg$posDetailsCache[p];
        details = {
          line:   details.line,
          column: details.column
        };

        while (p < pos) {
          if (input.charCodeAt(p) === 10) {
            details.line++;
            details.column = 1;
          } else {
            details.column++;
          }

          p++;
        }

        peg$posDetailsCache[pos] = details;
        return details;
      }
    }

    function peg$computeLocation(startPos, endPos) {
      var startPosDetails = peg$computePosDetails(startPos),
          endPosDetails   = peg$computePosDetails(endPos);

      return {
        start: {
          offset: startPos,
          line:   startPosDetails.line,
          column: startPosDetails.column
        },
        end: {
          offset: endPos,
          line:   endPosDetails.line,
          column: endPosDetails.column
        }
      };
    }

    function peg$fail(expected) {
      if (peg$currPos < peg$maxFailPos) { return; }

      if (peg$currPos > peg$maxFailPos) {
        peg$maxFailPos = peg$currPos;
        peg$maxFailExpected = [];
      }

      peg$maxFailExpected.push(expected);
    }

    function peg$buildSimpleError(message, location) {
      return new peg$SyntaxError(message, null, null, location);
    }

    function peg$buildStructuredError(expected, found, location) {
      return new peg$SyntaxError(
        peg$SyntaxError.buildMessage(expected, found),
        expected,
        found,
        location
      );
    }

    function peg$parsestart() {
      var s0;

      var key    = peg$currPos * 67 + 0,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$parsemethod();

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseseparator() {
      var s0, s1;

      var key    = peg$currPos * 67 + 1,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = [];
      if (peg$c0.test(input.charAt(peg$currPos))) {
        s1 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c1); }
      }
      if (s1 !== peg$FAILED) {
        while (s1 !== peg$FAILED) {
          s0.push(s1);
          if (peg$c0.test(input.charAt(peg$currPos))) {
            s1 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c1); }
          }
        }
      } else {
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsecomments() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 2,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = [];
      s1 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 34) {
        s2 = peg$c2;
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c3); }
      }
      if (s2 !== peg$FAILED) {
        s3 = [];
        if (peg$c4.test(input.charAt(peg$currPos))) {
          s4 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c5); }
        }
        while (s4 !== peg$FAILED) {
          s3.push(s4);
          if (peg$c4.test(input.charAt(peg$currPos))) {
            s4 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c5); }
          }
        }
        if (s3 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 34) {
            s4 = peg$c2;
            peg$currPos++;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c3); }
          }
          if (s4 !== peg$FAILED) {
            s2 = [s2, s3, s4];
            s1 = s2;
          } else {
            peg$currPos = s1;
            s1 = peg$FAILED;
          }
        } else {
          peg$currPos = s1;
          s1 = peg$FAILED;
        }
      } else {
        peg$currPos = s1;
        s1 = peg$FAILED;
      }
      if (s1 !== peg$FAILED) {
        while (s1 !== peg$FAILED) {
          s0.push(s1);
          s1 = peg$currPos;
          if (input.charCodeAt(peg$currPos) === 34) {
            s2 = peg$c2;
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c3); }
          }
          if (s2 !== peg$FAILED) {
            s3 = [];
            if (peg$c4.test(input.charAt(peg$currPos))) {
              s4 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c5); }
            }
            while (s4 !== peg$FAILED) {
              s3.push(s4);
              if (peg$c4.test(input.charAt(peg$currPos))) {
                s4 = input.charAt(peg$currPos);
                peg$currPos++;
              } else {
                s4 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c5); }
              }
            }
            if (s3 !== peg$FAILED) {
              if (input.charCodeAt(peg$currPos) === 34) {
                s4 = peg$c2;
                peg$currPos++;
              } else {
                s4 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c3); }
              }
              if (s4 !== peg$FAILED) {
                s2 = [s2, s3, s4];
                s1 = s2;
              } else {
                peg$currPos = s1;
                s1 = peg$FAILED;
              }
            } else {
              peg$currPos = s1;
              s1 = peg$FAILED;
            }
          } else {
            peg$currPos = s1;
            s1 = peg$FAILED;
          }
        }
      } else {
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsews() {
      var s0, s1;

      var key    = peg$currPos * 67 + 3,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = [];
      s1 = peg$parseseparator();
      if (s1 === peg$FAILED) {
        s1 = peg$parsecomments();
      }
      while (s1 !== peg$FAILED) {
        s0.push(s1);
        s1 = peg$parseseparator();
        if (s1 === peg$FAILED) {
          s1 = peg$parsecomments();
        }
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsemaybeDotsWs() {
      var s0, s1;

      var key    = peg$currPos * 67 + 4,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = [];
      if (input.charCodeAt(peg$currPos) === 46) {
        s1 = peg$c6;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c7); }
      }
      if (s1 === peg$FAILED) {
        s1 = peg$parseseparator();
        if (s1 === peg$FAILED) {
          s1 = peg$parsecomments();
        }
      }
      while (s1 !== peg$FAILED) {
        s0.push(s1);
        if (input.charCodeAt(peg$currPos) === 46) {
          s1 = peg$c6;
          peg$currPos++;
        } else {
          s1 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c7); }
        }
        if (s1 === peg$FAILED) {
          s1 = peg$parseseparator();
          if (s1 === peg$FAILED) {
            s1 = peg$parsecomments();
          }
        }
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsesomeDotsWs() {
      var s0, s1, s2, s3;

      var key    = peg$currPos * 67 + 5,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsews();
      if (s1 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 46) {
          s2 = peg$c6;
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c7); }
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsemaybeDotsWs();
          if (s3 !== peg$FAILED) {
            s1 = [s1, s2, s3];
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseidentifier() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 6,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$currPos;
      if (peg$c8.test(input.charAt(peg$currPos))) {
        s2 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c9); }
      }
      if (s2 !== peg$FAILED) {
        s3 = [];
        if (peg$c10.test(input.charAt(peg$currPos))) {
          s4 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c11); }
        }
        while (s4 !== peg$FAILED) {
          s3.push(s4);
          if (peg$c10.test(input.charAt(peg$currPos))) {
            s4 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c11); }
          }
        }
        if (s3 !== peg$FAILED) {
          s2 = [s2, s3];
          s1 = s2;
        } else {
          peg$currPos = s1;
          s1 = peg$FAILED;
        }
      } else {
        peg$currPos = s1;
        s1 = peg$FAILED;
      }
      if (s1 !== peg$FAILED) {
        s0 = input.substring(s0, peg$currPos);
      } else {
        s0 = s1;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsekeyword() {
      var s0, s1, s2, s3;

      var key    = peg$currPos * 67 + 7,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$currPos;
      s2 = peg$parseidentifier();
      if (s2 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 58) {
          s3 = peg$c12;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c13); }
        }
        if (s3 !== peg$FAILED) {
          s2 = [s2, s3];
          s1 = s2;
        } else {
          peg$currPos = s1;
          s1 = peg$FAILED;
        }
      } else {
        peg$currPos = s1;
        s1 = peg$FAILED;
      }
      if (s1 !== peg$FAILED) {
        s0 = input.substring(s0, peg$currPos);
      } else {
        s0 = s1;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseclassName() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 8,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$currPos;
      if (peg$c14.test(input.charAt(peg$currPos))) {
        s2 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c15); }
      }
      if (s2 !== peg$FAILED) {
        s3 = [];
        if (peg$c10.test(input.charAt(peg$currPos))) {
          s4 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c11); }
        }
        while (s4 !== peg$FAILED) {
          s3.push(s4);
          if (peg$c10.test(input.charAt(peg$currPos))) {
            s4 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c11); }
          }
        }
        if (s3 !== peg$FAILED) {
          s2 = [s2, s3];
          s1 = s2;
        } else {
          peg$currPos = s1;
          s1 = peg$FAILED;
        }
      } else {
        peg$currPos = s1;
        s1 = peg$FAILED;
      }
      if (s1 !== peg$FAILED) {
        s0 = input.substring(s0, peg$currPos);
      } else {
        s0 = s1;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsestring() {
      var s0, s1;

      var key    = peg$currPos * 67 + 9,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parserawString();
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c16(s1);
      }
      s0 = s1;

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parserawString() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 10,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 39) {
        s1 = peg$c17;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c18); }
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$currPos;
        if (input.substr(peg$currPos, 2) === peg$c19) {
          s4 = peg$c19;
          peg$currPos += 2;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c20); }
        }
        if (s4 !== peg$FAILED) {
          peg$savedPos = s3;
          s4 = peg$c21();
        }
        s3 = s4;
        if (s3 === peg$FAILED) {
          if (peg$c22.test(input.charAt(peg$currPos))) {
            s3 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c23); }
          }
        }
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$currPos;
          if (input.substr(peg$currPos, 2) === peg$c19) {
            s4 = peg$c19;
            peg$currPos += 2;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c20); }
          }
          if (s4 !== peg$FAILED) {
            peg$savedPos = s3;
            s4 = peg$c21();
          }
          s3 = s4;
          if (s3 === peg$FAILED) {
            if (peg$c22.test(input.charAt(peg$currPos))) {
              s3 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s3 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c23); }
            }
          }
        }
        if (s2 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 39) {
            s3 = peg$c17;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c18); }
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c24(s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsecharacter() {
      var s0, s1, s2;

      var key    = peg$currPos * 67 + 11,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 36) {
        s1 = peg$c25;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c26); }
      }
      if (s1 !== peg$FAILED) {
        if (input.length > peg$currPos) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c27); }
        }
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c28(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsesymbol() {
      var s0, s1, s2;

      var key    = peg$currPos * 67 + 12,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 35) {
        s1 = peg$c29;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c30); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsebareSymbol();
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c31(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsebareSymbol() {
      var s0, s1, s2, s3;

      var key    = peg$currPos * 67 + 13,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$currPos;
      s2 = [];
      s3 = peg$parsekeyword();
      if (s3 !== peg$FAILED) {
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parsekeyword();
        }
      } else {
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        s1 = input.substring(s1, peg$currPos);
      } else {
        s1 = s2;
      }
      if (s1 === peg$FAILED) {
        s1 = peg$parsebinarySelector();
        if (s1 === peg$FAILED) {
          s1 = peg$parseidentifier();
          if (s1 === peg$FAILED) {
            s1 = peg$parserawString();
          }
        }
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c16(s1);
      }
      s0 = s1;

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsenumber() {
      var s0, s1;

      var key    = peg$currPos * 67 + 14,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parserawNumber();
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c16(s1);
      }
      s0 = s1;

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parserawNumber() {
      var s0;

      var key    = peg$currPos * 67 + 15,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$parsenumberExp();
      if (s0 === peg$FAILED) {
        s0 = peg$parsehex();
        if (s0 === peg$FAILED) {
          s0 = peg$parsefloat();
          if (s0 === peg$FAILED) {
            s0 = peg$parseinteger();
          }
        }
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsenumberExp() {
      var s0, s1, s2, s3, s4, s5;

      var key    = peg$currPos * 67 + 16,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$currPos;
      s2 = peg$currPos;
      s3 = peg$parsefloat();
      if (s3 === peg$FAILED) {
        s3 = peg$parseinteger();
      }
      if (s3 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 101) {
          s4 = peg$c32;
          peg$currPos++;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c33); }
        }
        if (s4 !== peg$FAILED) {
          s5 = peg$parseinteger();
          if (s5 !== peg$FAILED) {
            s3 = [s3, s4, s5];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        s1 = input.substring(s1, peg$currPos);
      } else {
        s1 = s2;
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c34(s1);
      }
      s0 = s1;

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsehex() {
      var s0, s1, s2, s3, s4, s5;

      var key    = peg$currPos * 67 + 17,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 45) {
        s1 = peg$c35;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c36); }
      }
      if (s1 === peg$FAILED) {
        s1 = null;
      }
      if (s1 !== peg$FAILED) {
        if (input.substr(peg$currPos, 3) === peg$c37) {
          s2 = peg$c37;
          peg$currPos += 3;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c38); }
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$currPos;
          s4 = [];
          if (peg$c39.test(input.charAt(peg$currPos))) {
            s5 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c40); }
          }
          if (s5 !== peg$FAILED) {
            while (s5 !== peg$FAILED) {
              s4.push(s5);
              if (peg$c39.test(input.charAt(peg$currPos))) {
                s5 = input.charAt(peg$currPos);
                peg$currPos++;
              } else {
                s5 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c40); }
              }
            }
          } else {
            s4 = peg$FAILED;
          }
          if (s4 !== peg$FAILED) {
            s3 = input.substring(s3, peg$currPos);
          } else {
            s3 = s4;
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c41(s1, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsefloat() {
      var s0, s1, s2, s3, s4, s5, s6, s7;

      var key    = peg$currPos * 67 + 18,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$currPos;
      s2 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 45) {
        s3 = peg$c35;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c36); }
      }
      if (s3 === peg$FAILED) {
        s3 = null;
      }
      if (s3 !== peg$FAILED) {
        s4 = [];
        if (peg$c42.test(input.charAt(peg$currPos))) {
          s5 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c43); }
        }
        if (s5 !== peg$FAILED) {
          while (s5 !== peg$FAILED) {
            s4.push(s5);
            if (peg$c42.test(input.charAt(peg$currPos))) {
              s5 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c43); }
            }
          }
        } else {
          s4 = peg$FAILED;
        }
        if (s4 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 46) {
            s5 = peg$c6;
            peg$currPos++;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c7); }
          }
          if (s5 !== peg$FAILED) {
            s6 = [];
            if (peg$c42.test(input.charAt(peg$currPos))) {
              s7 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s7 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c43); }
            }
            if (s7 !== peg$FAILED) {
              while (s7 !== peg$FAILED) {
                s6.push(s7);
                if (peg$c42.test(input.charAt(peg$currPos))) {
                  s7 = input.charAt(peg$currPos);
                  peg$currPos++;
                } else {
                  s7 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c43); }
                }
              }
            } else {
              s6 = peg$FAILED;
            }
            if (s6 !== peg$FAILED) {
              s3 = [s3, s4, s5, s6];
              s2 = s3;
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        s1 = input.substring(s1, peg$currPos);
      } else {
        s1 = s2;
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c44(s1);
      }
      s0 = s1;

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseinteger() {
      var s0, s1, s2, s3, s4, s5;

      var key    = peg$currPos * 67 + 19,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$currPos;
      s2 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 45) {
        s3 = peg$c35;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c36); }
      }
      if (s3 === peg$FAILED) {
        s3 = null;
      }
      if (s3 !== peg$FAILED) {
        s4 = [];
        if (peg$c42.test(input.charAt(peg$currPos))) {
          s5 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c43); }
        }
        if (s5 !== peg$FAILED) {
          while (s5 !== peg$FAILED) {
            s4.push(s5);
            if (peg$c42.test(input.charAt(peg$currPos))) {
              s5 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c43); }
            }
          }
        } else {
          s4 = peg$FAILED;
        }
        if (s4 !== peg$FAILED) {
          s3 = [s3, s4];
          s2 = s3;
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        s1 = input.substring(s1, peg$currPos);
      } else {
        s1 = s2;
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c45(s1);
      }
      s0 = s1;

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseliteralArray() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 20,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      if (input.substr(peg$currPos, 2) === peg$c46) {
        s1 = peg$c46;
        peg$currPos += 2;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c47); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsewsLiteralArrayContents();
        if (s2 !== peg$FAILED) {
          s3 = peg$parsews();
          if (s3 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 41) {
              s4 = peg$c48;
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c49); }
            }
            if (s4 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c50(s2);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsebareLiteralArray() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 21,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 40) {
        s1 = peg$c51;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c52); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsewsLiteralArrayContents();
        if (s2 !== peg$FAILED) {
          s3 = peg$parsews();
          if (s3 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 41) {
              s4 = peg$c48;
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c49); }
            }
            if (s4 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c50(s2);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseliteralArrayElement() {
      var s0;

      var key    = peg$currPos * 67 + 22,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$parseparseTimeLiteral();
      if (s0 === peg$FAILED) {
        s0 = peg$parsebareLiteralArray();
        if (s0 === peg$FAILED) {
          s0 = peg$parsebareSymbol();
        }
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsLiteralArrayContents() {
      var s0, s1, s2, s3;

      var key    = peg$currPos * 67 + 23,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = [];
      s1 = peg$currPos;
      s2 = peg$parsews();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseliteralArrayElement();
        if (s3 !== peg$FAILED) {
          peg$savedPos = s1;
          s2 = peg$c53(s3);
          s1 = s2;
        } else {
          peg$currPos = s1;
          s1 = peg$FAILED;
        }
      } else {
        peg$currPos = s1;
        s1 = peg$FAILED;
      }
      while (s1 !== peg$FAILED) {
        s0.push(s1);
        s1 = peg$currPos;
        s2 = peg$parsews();
        if (s2 !== peg$FAILED) {
          s3 = peg$parseliteralArrayElement();
          if (s3 !== peg$FAILED) {
            peg$savedPos = s1;
            s2 = peg$c53(s3);
            s1 = s2;
          } else {
            peg$currPos = s1;
            s1 = peg$FAILED;
          }
        } else {
          peg$currPos = s1;
          s1 = peg$FAILED;
        }
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsedynamicArray() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 24,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 123) {
        s1 = peg$c54;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c55); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsewsExpressions();
        if (s2 === peg$FAILED) {
          s2 = null;
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsemaybeDotsWs();
          if (s3 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 125) {
              s4 = peg$c56;
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c57); }
            }
            if (s4 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c58(s2);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsedynamicDictionary() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 25,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      if (input.substr(peg$currPos, 2) === peg$c59) {
        s1 = peg$c59;
        peg$currPos += 2;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c60); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsewsAssociations();
        if (s2 === peg$FAILED) {
          s2 = null;
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsemaybeDotsWs();
          if (s3 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 125) {
              s4 = peg$c56;
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c57); }
            }
            if (s4 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c61(s2);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsepseudoVariable() {
      var s0, s1, s2;

      var key    = peg$currPos * 67 + 26,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$currPos;
      if (input.substr(peg$currPos, 4) === peg$c62) {
        s2 = peg$c62;
        peg$currPos += 4;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c63); }
      }
      if (s2 !== peg$FAILED) {
        peg$savedPos = s1;
        s2 = peg$c64();
      }
      s1 = s2;
      if (s1 === peg$FAILED) {
        s1 = peg$currPos;
        if (input.substr(peg$currPos, 5) === peg$c65) {
          s2 = peg$c65;
          peg$currPos += 5;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c66); }
        }
        if (s2 !== peg$FAILED) {
          peg$savedPos = s1;
          s2 = peg$c67();
        }
        s1 = s2;
        if (s1 === peg$FAILED) {
          s1 = peg$currPos;
          if (input.substr(peg$currPos, 3) === peg$c68) {
            s2 = peg$c68;
            peg$currPos += 3;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c69); }
          }
          if (s2 !== peg$FAILED) {
            peg$savedPos = s1;
            s2 = peg$c70();
          }
          s1 = s2;
        }
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c16(s1);
      }
      s0 = s1;

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseparseTimeLiteral() {
      var s0;

      var key    = peg$currPos * 67 + 27,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$parsepseudoVariable();
      if (s0 === peg$FAILED) {
        s0 = peg$parsenumber();
        if (s0 === peg$FAILED) {
          s0 = peg$parseliteralArray();
          if (s0 === peg$FAILED) {
            s0 = peg$parsestring();
            if (s0 === peg$FAILED) {
              s0 = peg$parsesymbol();
              if (s0 === peg$FAILED) {
                s0 = peg$parsecharacter();
              }
            }
          }
        }
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseruntimeLiteral() {
      var s0;

      var key    = peg$currPos * 67 + 28,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$parsedynamicDictionary();
      if (s0 === peg$FAILED) {
        s0 = peg$parsedynamicArray();
        if (s0 === peg$FAILED) {
          s0 = peg$parseblock();
        }
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseliteral() {
      var s0;

      var key    = peg$currPos * 67 + 29,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$parseruntimeLiteral();
      if (s0 === peg$FAILED) {
        s0 = peg$parseparseTimeLiteral();
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsevariable() {
      var s0, s1;

      var key    = peg$currPos * 67 + 30,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parseidentifier();
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c71(s1);
      }
      s0 = s1;

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsebinarySelector() {
      var s0, s1, s2;

      var key    = peg$currPos * 67 + 31,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = [];
      if (peg$c72.test(input.charAt(peg$currPos))) {
        s2 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c73); }
      }
      if (s2 !== peg$FAILED) {
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          if (peg$c72.test(input.charAt(peg$currPos))) {
            s2 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c73); }
          }
        }
      } else {
        s1 = peg$FAILED;
      }
      if (s1 !== peg$FAILED) {
        s0 = input.substring(s0, peg$currPos);
      } else {
        s0 = s1;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsKeywordPattern() {
      var s0, s1, s2, s3, s4, s5, s6;

      var key    = peg$currPos * 67 + 32,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = [];
      s2 = peg$currPos;
      s3 = peg$parsews();
      if (s3 !== peg$FAILED) {
        s4 = peg$parsekeyword();
        if (s4 !== peg$FAILED) {
          s5 = peg$parsews();
          if (s5 !== peg$FAILED) {
            s6 = peg$parseidentifier();
            if (s6 !== peg$FAILED) {
              peg$savedPos = s2;
              s3 = peg$c74(s4, s6);
              s2 = s3;
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          s2 = peg$currPos;
          s3 = peg$parsews();
          if (s3 !== peg$FAILED) {
            s4 = peg$parsekeyword();
            if (s4 !== peg$FAILED) {
              s5 = peg$parsews();
              if (s5 !== peg$FAILED) {
                s6 = peg$parseidentifier();
                if (s6 !== peg$FAILED) {
                  peg$savedPos = s2;
                  s3 = peg$c74(s4, s6);
                  s2 = s3;
                } else {
                  peg$currPos = s2;
                  s2 = peg$FAILED;
                }
              } else {
                peg$currPos = s2;
                s2 = peg$FAILED;
              }
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        }
      } else {
        s1 = peg$FAILED;
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c75(s1);
      }
      s0 = s1;

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsBinaryPattern() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 33,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsews();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsebinarySelector();
        if (s2 !== peg$FAILED) {
          s3 = peg$parsews();
          if (s3 !== peg$FAILED) {
            s4 = peg$parseidentifier();
            if (s4 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c76(s2, s4);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsUnaryPattern() {
      var s0, s1, s2;

      var key    = peg$currPos * 67 + 34,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsews();
      if (s1 !== peg$FAILED) {
        s2 = peg$parseidentifier();
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c77(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseexpression() {
      var s0;

      var key    = peg$currPos * 67 + 35,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$parseassignment();
      if (s0 === peg$FAILED) {
        s0 = peg$parsecascade();
        if (s0 === peg$FAILED) {
          s0 = peg$parsekeywordSend();
        }
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsExpressionsRest() {
      var s0, s1, s2;

      var key    = peg$currPos * 67 + 36,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsesomeDotsWs();
      if (s1 !== peg$FAILED) {
        s2 = peg$parseexpression();
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c78(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsExpressions() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 37,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsemaybeDotsWs();
      if (s1 !== peg$FAILED) {
        s2 = peg$parseexpression();
        if (s2 !== peg$FAILED) {
          s3 = [];
          s4 = peg$parsewsExpressionsRest();
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parsewsExpressionsRest();
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c79(s2, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsUnaryPragmaMessage() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 38,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsews();
      if (s1 !== peg$FAILED) {
        s2 = peg$parseidentifier();
        if (s2 !== peg$FAILED) {
          s3 = peg$currPos;
          peg$silentFails++;
          if (input.charCodeAt(peg$currPos) === 58) {
            s4 = peg$c12;
            peg$currPos++;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c13); }
          }
          peg$silentFails--;
          if (s4 === peg$FAILED) {
            s3 = void 0;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c80(s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsKeywordPragmaMessage() {
      var s0, s1, s2, s3, s4, s5, s6;

      var key    = peg$currPos * 67 + 39,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = [];
      s2 = peg$currPos;
      s3 = peg$parsews();
      if (s3 !== peg$FAILED) {
        s4 = peg$parsekeyword();
        if (s4 !== peg$FAILED) {
          s5 = peg$parsews();
          if (s5 !== peg$FAILED) {
            s6 = peg$parseparseTimeLiteral();
            if (s6 !== peg$FAILED) {
              peg$savedPos = s2;
              s3 = peg$c74(s4, s6);
              s2 = s3;
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          s2 = peg$currPos;
          s3 = peg$parsews();
          if (s3 !== peg$FAILED) {
            s4 = peg$parsekeyword();
            if (s4 !== peg$FAILED) {
              s5 = peg$parsews();
              if (s5 !== peg$FAILED) {
                s6 = peg$parseparseTimeLiteral();
                if (s6 !== peg$FAILED) {
                  peg$savedPos = s2;
                  s3 = peg$c74(s4, s6);
                  s2 = s3;
                } else {
                  peg$currPos = s2;
                  s2 = peg$FAILED;
                }
              } else {
                peg$currPos = s2;
                s2 = peg$FAILED;
              }
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        }
      } else {
        s1 = peg$FAILED;
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c81(s1);
      }
      s0 = s1;

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsPragmaMessage() {
      var s0;

      var key    = peg$currPos * 67 + 40,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$parsewsUnaryPragmaMessage();
      if (s0 === peg$FAILED) {
        s0 = peg$parsewsKeywordPragmaMessage();
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsPragmas() {
      var s0, s1, s2, s3, s4, s5, s6;

      var key    = peg$currPos * 67 + 41,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = [];
      s1 = peg$currPos;
      s2 = peg$parsews();
      if (s2 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 60) {
          s3 = peg$c82;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c83); }
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parsewsPragmaMessage();
          if (s4 !== peg$FAILED) {
            s5 = peg$parsews();
            if (s5 !== peg$FAILED) {
              if (input.charCodeAt(peg$currPos) === 62) {
                s6 = peg$c84;
                peg$currPos++;
              } else {
                s6 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c85); }
              }
              if (s6 !== peg$FAILED) {
                peg$savedPos = s1;
                s2 = peg$c86(s4);
                s1 = s2;
              } else {
                peg$currPos = s1;
                s1 = peg$FAILED;
              }
            } else {
              peg$currPos = s1;
              s1 = peg$FAILED;
            }
          } else {
            peg$currPos = s1;
            s1 = peg$FAILED;
          }
        } else {
          peg$currPos = s1;
          s1 = peg$FAILED;
        }
      } else {
        peg$currPos = s1;
        s1 = peg$FAILED;
      }
      while (s1 !== peg$FAILED) {
        s0.push(s1);
        s1 = peg$currPos;
        s2 = peg$parsews();
        if (s2 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 60) {
            s3 = peg$c82;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c83); }
          }
          if (s3 !== peg$FAILED) {
            s4 = peg$parsewsPragmaMessage();
            if (s4 !== peg$FAILED) {
              s5 = peg$parsews();
              if (s5 !== peg$FAILED) {
                if (input.charCodeAt(peg$currPos) === 62) {
                  s6 = peg$c84;
                  peg$currPos++;
                } else {
                  s6 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c85); }
                }
                if (s6 !== peg$FAILED) {
                  peg$savedPos = s1;
                  s2 = peg$c86(s4);
                  s1 = s2;
                } else {
                  peg$currPos = s1;
                  s1 = peg$FAILED;
                }
              } else {
                peg$currPos = s1;
                s1 = peg$FAILED;
              }
            } else {
              peg$currPos = s1;
              s1 = peg$FAILED;
            }
          } else {
            peg$currPos = s1;
            s1 = peg$FAILED;
          }
        } else {
          peg$currPos = s1;
          s1 = peg$FAILED;
        }
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseassignment() {
      var s0, s1, s2, s3, s4, s5;

      var key    = peg$currPos * 67 + 42,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsevariable();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsews();
        if (s2 !== peg$FAILED) {
          if (input.substr(peg$currPos, 2) === peg$c87) {
            s3 = peg$c87;
            peg$currPos += 2;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c88); }
          }
          if (s3 !== peg$FAILED) {
            s4 = peg$parsews();
            if (s4 !== peg$FAILED) {
              s5 = peg$parseexpression();
              if (s5 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c89(s1, s5);
                s0 = s1;
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseret() {
      var s0, s1, s2, s3;

      var key    = peg$currPos * 67 + 43,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 94) {
        s1 = peg$c90;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c91); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsews();
        if (s2 !== peg$FAILED) {
          s3 = peg$parseexpression();
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c92(s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsetemps() {
      var s0, s1, s2, s3, s4, s5;

      var key    = peg$currPos * 67 + 44,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 124) {
        s1 = peg$c93;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c94); }
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$currPos;
        s4 = peg$parsews();
        if (s4 !== peg$FAILED) {
          s5 = peg$parseidentifier();
          if (s5 !== peg$FAILED) {
            peg$savedPos = s3;
            s4 = peg$c95(s5);
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$currPos;
          s4 = peg$parsews();
          if (s4 !== peg$FAILED) {
            s5 = peg$parseidentifier();
            if (s5 !== peg$FAILED) {
              peg$savedPos = s3;
              s4 = peg$c95(s5);
              s3 = s4;
            } else {
              peg$currPos = s3;
              s3 = peg$FAILED;
            }
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsews();
          if (s3 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 124) {
              s4 = peg$c93;
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c94); }
            }
            if (s4 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c96(s2);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsBlockParamList() {
      var s0, s1, s2, s3, s4, s5, s6;

      var key    = peg$currPos * 67 + 45,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = [];
      s2 = peg$currPos;
      s3 = peg$parsews();
      if (s3 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 58) {
          s4 = peg$c12;
          peg$currPos++;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c13); }
        }
        if (s4 !== peg$FAILED) {
          s5 = peg$parsews();
          if (s5 !== peg$FAILED) {
            s6 = peg$parseidentifier();
            if (s6 !== peg$FAILED) {
              peg$savedPos = s2;
              s3 = peg$c97(s6);
              s2 = s3;
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          s2 = peg$currPos;
          s3 = peg$parsews();
          if (s3 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 58) {
              s4 = peg$c12;
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c13); }
            }
            if (s4 !== peg$FAILED) {
              s5 = peg$parsews();
              if (s5 !== peg$FAILED) {
                s6 = peg$parseidentifier();
                if (s6 !== peg$FAILED) {
                  peg$savedPos = s2;
                  s3 = peg$c97(s6);
                  s2 = s3;
                } else {
                  peg$currPos = s2;
                  s2 = peg$FAILED;
                }
              } else {
                peg$currPos = s2;
                s2 = peg$FAILED;
              }
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        }
      } else {
        s1 = peg$FAILED;
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsews();
        if (s2 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 124) {
            s3 = peg$c93;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c94); }
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c98(s1);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsesubexpression() {
      var s0, s1, s2, s3, s4, s5;

      var key    = peg$currPos * 67 + 46,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 40) {
        s1 = peg$c51;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c52); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsews();
        if (s2 !== peg$FAILED) {
          s3 = peg$parseexpression();
          if (s3 !== peg$FAILED) {
            s4 = peg$parsews();
            if (s4 !== peg$FAILED) {
              if (input.charCodeAt(peg$currPos) === 41) {
                s5 = peg$c48;
                peg$currPos++;
              } else {
                s5 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c49); }
              }
              if (s5 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c78(s3);
                s0 = s1;
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsStatements() {
      var s0, s1, s2, s3;

      var key    = peg$currPos * 67 + 47,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsemaybeDotsWs();
      if (s1 !== peg$FAILED) {
        s2 = peg$parseret();
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c99(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parsewsExpressions();
        if (s1 !== peg$FAILED) {
          s2 = peg$parsesomeDotsWs();
          if (s2 !== peg$FAILED) {
            s3 = peg$parseret();
            if (s3 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c100(s1, s3);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
        if (s0 === peg$FAILED) {
          s0 = peg$currPos;
          s1 = peg$parsewsExpressions();
          if (s1 === peg$FAILED) {
            s1 = null;
          }
          if (s1 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c101(s1);
          }
          s0 = s1;
        }
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsSequenceWs() {
      var s0, s1, s2, s3, s4, s5, s6;

      var key    = peg$currPos * 67 + 48,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsewsPragmas();
      if (s1 === peg$FAILED) {
        s1 = null;
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsews();
        if (s2 !== peg$FAILED) {
          s3 = peg$parsetemps();
          if (s3 === peg$FAILED) {
            s3 = null;
          }
          if (s3 !== peg$FAILED) {
            s4 = peg$parsewsPragmas();
            if (s4 === peg$FAILED) {
              s4 = null;
            }
            if (s4 !== peg$FAILED) {
              s5 = peg$parsewsStatements();
              if (s5 === peg$FAILED) {
                s5 = null;
              }
              if (s5 !== peg$FAILED) {
                s6 = peg$parsemaybeDotsWs();
                if (s6 !== peg$FAILED) {
                  peg$savedPos = s0;
                  s1 = peg$c102(s1, s3, s4, s5);
                  s0 = s1;
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsBlockSequenceWs() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 49,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsews();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsetemps();
        if (s2 === peg$FAILED) {
          s2 = null;
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsewsStatements();
          if (s3 === peg$FAILED) {
            s3 = null;
          }
          if (s3 !== peg$FAILED) {
            s4 = peg$parsemaybeDotsWs();
            if (s4 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c103(s2, s3);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseblock() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 50,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 91) {
        s1 = peg$c104;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c105); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsewsBlockParamList();
        if (s2 === peg$FAILED) {
          s2 = null;
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsewsBlockSequenceWs();
          if (s3 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 93) {
              s4 = peg$c106;
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c107); }
            }
            if (s4 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c108(s2, s3);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseoperand() {
      var s0;

      var key    = peg$currPos * 67 + 51,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$parseliteral();
      if (s0 === peg$FAILED) {
        s0 = peg$parsevariable();
        if (s0 === peg$FAILED) {
          s0 = peg$parsesubexpression();
        }
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsUnaryMessage() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 52,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsews();
      if (s1 !== peg$FAILED) {
        s2 = peg$parseidentifier();
        if (s2 !== peg$FAILED) {
          s3 = peg$currPos;
          peg$silentFails++;
          if (input.charCodeAt(peg$currPos) === 58) {
            s4 = peg$c12;
            peg$currPos++;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c13); }
          }
          peg$silentFails--;
          if (s4 === peg$FAILED) {
            s3 = void 0;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c109(s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsUnaryTail() {
      var s0, s1;

      var key    = peg$currPos * 67 + 53,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = [];
      s1 = peg$parsewsUnaryMessage();
      while (s1 !== peg$FAILED) {
        s0.push(s1);
        s1 = peg$parsewsUnaryMessage();
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseunarySend() {
      var s0, s1, s2;

      var key    = peg$currPos * 67 + 54,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parseoperand();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsewsUnaryTail();
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c110(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsBinaryMessage() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 55,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsews();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsebinarySelector();
        if (s2 !== peg$FAILED) {
          s3 = peg$parsews();
          if (s3 !== peg$FAILED) {
            s4 = peg$parseunarySend();
            if (s4 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c111(s2, s4);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsBinaryTail() {
      var s0, s1, s2, s3;

      var key    = peg$currPos * 67 + 56,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsewsUnaryTail();
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parsewsBinaryMessage();
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parsewsBinaryMessage();
        }
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c112(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsebinarySend() {
      var s0, s1, s2;

      var key    = peg$currPos * 67 + 57,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parseoperand();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsewsBinaryTail();
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c110(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsKeywordMessage() {
      var s0, s1, s2, s3, s4, s5, s6;

      var key    = peg$currPos * 67 + 58,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = [];
      s2 = peg$currPos;
      s3 = peg$parsews();
      if (s3 !== peg$FAILED) {
        s4 = peg$parsekeyword();
        if (s4 !== peg$FAILED) {
          s5 = peg$parsews();
          if (s5 !== peg$FAILED) {
            s6 = peg$parsebinarySend();
            if (s6 !== peg$FAILED) {
              peg$savedPos = s2;
              s3 = peg$c74(s4, s6);
              s2 = s3;
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          s2 = peg$currPos;
          s3 = peg$parsews();
          if (s3 !== peg$FAILED) {
            s4 = peg$parsekeyword();
            if (s4 !== peg$FAILED) {
              s5 = peg$parsews();
              if (s5 !== peg$FAILED) {
                s6 = peg$parsebinarySend();
                if (s6 !== peg$FAILED) {
                  peg$savedPos = s2;
                  s3 = peg$c74(s4, s6);
                  s2 = s3;
                } else {
                  peg$currPos = s2;
                  s2 = peg$FAILED;
                }
              } else {
                peg$currPos = s2;
                s2 = peg$FAILED;
              }
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        }
      } else {
        s1 = peg$FAILED;
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c113(s1);
      }
      s0 = s1;

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsKeywordTail() {
      var s0, s1, s2;

      var key    = peg$currPos * 67 + 59,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsewsBinaryTail();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsewsKeywordMessage();
        if (s2 === peg$FAILED) {
          s2 = null;
        }
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c114(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsekeywordSend() {
      var s0, s1, s2;

      var key    = peg$currPos * 67 + 60,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parseoperand();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsewsKeywordTail();
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c110(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsMessage() {
      var s0;

      var key    = peg$currPos * 67 + 61,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$parsewsBinaryMessage();
      if (s0 === peg$FAILED) {
        s0 = peg$parsewsUnaryMessage();
        if (s0 === peg$FAILED) {
          s0 = peg$parsewsKeywordMessage();
        }
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsecascade() {
      var s0, s1, s2, s3, s4, s5, s6, s7, s8;

      var key    = peg$currPos * 67 + 62,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parseoperand();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsewsKeywordTail();
        if (s2 !== peg$FAILED) {
          peg$savedPos = peg$currPos;
          s3 = peg$c115(s1, s2);
          if (s3) {
            s3 = void 0;
          } else {
            s3 = peg$FAILED;
          }
          if (s3 !== peg$FAILED) {
            s4 = [];
            s5 = peg$currPos;
            s6 = peg$parsews();
            if (s6 !== peg$FAILED) {
              if (input.charCodeAt(peg$currPos) === 59) {
                s7 = peg$c116;
                peg$currPos++;
              } else {
                s7 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c117); }
              }
              if (s7 !== peg$FAILED) {
                s8 = peg$parsewsMessage();
                if (s8 !== peg$FAILED) {
                  peg$savedPos = s5;
                  s6 = peg$c118(s1, s2, s8);
                  s5 = s6;
                } else {
                  peg$currPos = s5;
                  s5 = peg$FAILED;
                }
              } else {
                peg$currPos = s5;
                s5 = peg$FAILED;
              }
            } else {
              peg$currPos = s5;
              s5 = peg$FAILED;
            }
            if (s5 !== peg$FAILED) {
              while (s5 !== peg$FAILED) {
                s4.push(s5);
                s5 = peg$currPos;
                s6 = peg$parsews();
                if (s6 !== peg$FAILED) {
                  if (input.charCodeAt(peg$currPos) === 59) {
                    s7 = peg$c116;
                    peg$currPos++;
                  } else {
                    s7 = peg$FAILED;
                    if (peg$silentFails === 0) { peg$fail(peg$c117); }
                  }
                  if (s7 !== peg$FAILED) {
                    s8 = peg$parsewsMessage();
                    if (s8 !== peg$FAILED) {
                      peg$savedPos = s5;
                      s6 = peg$c118(s1, s2, s8);
                      s5 = s6;
                    } else {
                      peg$currPos = s5;
                      s5 = peg$FAILED;
                    }
                  } else {
                    peg$currPos = s5;
                    s5 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s5;
                  s5 = peg$FAILED;
                }
              }
            } else {
              s4 = peg$FAILED;
            }
            if (s4 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c119(s1, s2, s4);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsemethod() {
      var s0, s1, s2;

      var key    = peg$currPos * 67 + 63,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsewsKeywordPattern();
      if (s1 === peg$FAILED) {
        s1 = peg$parsewsBinaryPattern();
        if (s1 === peg$FAILED) {
          s1 = peg$parsewsUnaryPattern();
        }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsewsSequenceWs();
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c120(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parseassociationSend() {
      var s0, s1, s2, s3;

      var key    = peg$currPos * 67 + 64,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parseoperand();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsewsBinaryTail();
        if (s2 !== peg$FAILED) {
          peg$savedPos = peg$currPos;
          s3 = peg$c121(s1, s2);
          if (s3) {
            s3 = void 0;
          } else {
            s3 = peg$FAILED;
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c122(s1, s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsAssociationsRest() {
      var s0, s1, s2;

      var key    = peg$currPos * 67 + 65,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsesomeDotsWs();
      if (s1 !== peg$FAILED) {
        s2 = peg$parseassociationSend();
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c78(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }

    function peg$parsewsAssociations() {
      var s0, s1, s2, s3, s4;

      var key    = peg$currPos * 67 + 66,
          cached = peg$resultsCache[key];

      if (cached) {
        peg$currPos = cached.nextPos;

        return cached.result;
      }

      s0 = peg$currPos;
      s1 = peg$parsemaybeDotsWs();
      if (s1 !== peg$FAILED) {
        s2 = peg$parseassociationSend();
        if (s2 !== peg$FAILED) {
          s3 = [];
          s4 = peg$parsewsAssociationsRest();
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parsewsAssociationsRest();
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c123(s2, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };

      return s0;
    }


    	var $globals = $boot.globals;

    	function newNode(nodeClass) {
    		return nodeClass._new()._location_(location())._source_(text());
    	}


    peg$result = peg$startRuleFunction();

    if (peg$result !== peg$FAILED && peg$currPos === input.length) {
      return peg$result;
    } else {
      if (peg$result !== peg$FAILED && peg$currPos < input.length) {
        peg$fail(peg$endExpectation());
      }

      throw peg$buildStructuredError(
        peg$maxFailExpected,
        peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null,
        peg$maxFailPos < input.length
          ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1)
          : peg$computeLocation(peg$maxFailPos, peg$maxFailPos)
      );
    }
  }

  return {
    SyntaxError: peg$SyntaxError,
    parse:       peg$parse
  };
});