graphql-parser.js

module.exports = (function() {
  /*
   * Generated by PEG.js 0.8.0.
   *
   * http://pegjs.majda.cz/
   */

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

  function SyntaxError(message, expected, found, offset, line, column) {
    this.message  = message;
    this.expected = expected;
    this.found    = found;
    this.offset   = offset;
    this.line     = line;
    this.column   = column;

    this.name     = "SyntaxError";
  }

  peg$subclass(SyntaxError, Error);

  function parse(input) {
    var options = arguments.length > 1 ? arguments[1] : {},

        peg$FAILED = {},

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

        peg$c0 = peg$FAILED,
        peg$c1 = function(call, properties) { call.properties = properties.properties; return call; },
        peg$c2 = null,
        peg$c3 = function(call) { call.root = true; return call; },
        peg$c4 = [],
        peg$c5 = ".",
        peg$c6 = { type: "literal", value: ".", description: "\".\"" },
        peg$c7 = function(call) { return call },
        peg$c8 = function(calls) { return Array.isArray(calls) ? calls : [calls]; },
        peg$c9 = function(name, parameters) { return { call: name, parameters: parameters }},
        peg$c10 = "(",
        peg$c11 = { type: "literal", value: "(", description: "\"(\"" },
        peg$c12 = ")",
        peg$c13 = { type: "literal", value: ")", description: "\")\"" },
        peg$c14 = function(call_parameters) { return call_parameters; },
        peg$c15 = function(p) { return p },
        peg$c16 = function(first, rest) { return [first].concat(rest); },
        peg$c17 = function(parameter_list) { return parameter_list; },
        peg$c18 = /^[a-zA-Z0-9]/,
        peg$c19 = { type: "class", value: "[a-zA-Z0-9]", description: "[a-zA-Z0-9]" },
        peg$c20 = function(parameter) { return parameter.join('') },
        peg$c21 = "{",
        peg$c22 = { type: "literal", value: "{", description: "\"{\"" },
        peg$c23 = "}",
        peg$c24 = { type: "literal", value: "}", description: "\"}\"" },
        peg$c25 = function(properties) { return { properties: properties } },
        peg$c26 = function(properties) { return properties; },
        peg$c27 = function(name) { return { name: name }; },
        peg$c28 = function(name, properties) { return { name: name, properties: properties } },
        peg$c29 = function(name, calls, properties) { return { name: name, calls: calls, properties: properties }; },
        peg$c30 = ",",
        peg$c31 = { type: "literal", value: ",", description: "\",\"" },
        peg$c32 = /^[a-z0-9A-Z$]/,
        peg$c33 = { type: "class", value: "[a-z0-9A-Z$]", description: "[a-z0-9A-Z$]" },
        peg$c34 = function(identifier) { return identifier.join(''); },
        peg$c35 = { type: "other", description: "whitespace" },
        peg$c36 = /^[ \t\n\r]/,
        peg$c37 = { type: "class", value: "[ \\t\\n\\r]", description: "[ \\t\\n\\r]" },

        peg$currPos          = 0,
        peg$reportedPos      = 0,
        peg$cachedPos        = 0,
        peg$cachedPosDetails = { line: 1, column: 1, seenCR: false },
        peg$maxFailPos       = 0,
        peg$maxFailExpected  = [],
        peg$silentFails      = 0,

        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$reportedPos, peg$currPos);
    }

    function offset() {
      return peg$reportedPos;
    }

    function line() {
      return peg$computePosDetails(peg$reportedPos).line;
    }

    function column() {
      return peg$computePosDetails(peg$reportedPos).column;
    }

    function expected(description) {
      throw peg$buildException(
        null,
        [{ type: "other", description: description }],
        peg$reportedPos
      );
    }

    function error(message) {
      throw peg$buildException(message, null, peg$reportedPos);
    }

    function peg$computePosDetails(pos) {
      function advance(details, startPos, endPos) {
        var p, ch;

        for (p = startPos; p < endPos; p++) {
          ch = input.charAt(p);
          if (ch === "\n") {
            if (!details.seenCR) { details.line++; }
            details.column = 1;
            details.seenCR = false;
          } else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
            details.line++;
            details.column = 1;
            details.seenCR = true;
          } else {
            details.column++;
            details.seenCR = false;
          }
        }
      }

      if (peg$cachedPos !== pos) {
        if (peg$cachedPos > pos) {
          peg$cachedPos = 0;
          peg$cachedPosDetails = { line: 1, column: 1, seenCR: false };
        }
        advance(peg$cachedPosDetails, peg$cachedPos, pos);
        peg$cachedPos = pos;
      }

      return peg$cachedPosDetails;
    }

    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$buildException(message, expected, pos) {
      function cleanupExpected(expected) {
        var i = 1;

        expected.sort(function(a, b) {
          if (a.description < b.description) {
            return -1;
          } else if (a.description > b.description) {
            return 1;
          } else {
            return 0;
          }
        });

        while (i < expected.length) {
          if (expected[i - 1] === expected[i]) {
            expected.splice(i, 1);
          } else {
            i++;
          }
        }
      }

      function buildMessage(expected, found) {
        function stringEscape(s) {
          function hex(ch) { return ch.charCodeAt(0).toString(16).toUpperCase(); }

          return s
            .replace(/\\/g,   '\\\\')
            .replace(/"/g,    '\\"')
            .replace(/\x08/g, '\\b')
            .replace(/\t/g,   '\\t')
            .replace(/\n/g,   '\\n')
            .replace(/\f/g,   '\\f')
            .replace(/\r/g,   '\\r')
            .replace(/[\x00-\x07\x0B\x0E\x0F]/g, function(ch) { return '\\x0' + hex(ch); })
            .replace(/[\x10-\x1F\x80-\xFF]/g,    function(ch) { return '\\x'  + hex(ch); })
            .replace(/[\u0180-\u0FFF]/g,         function(ch) { return '\\u0' + hex(ch); })
            .replace(/[\u1080-\uFFFF]/g,         function(ch) { return '\\u'  + hex(ch); });
        }

        var expectedDescs = new Array(expected.length),
            expectedDesc, foundDesc, i;

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

        expectedDesc = expected.length > 1
          ? expectedDescs.slice(0, -1).join(", ")
              + " or "
              + expectedDescs[expected.length - 1]
          : expectedDescs[0];

        foundDesc = found ? "\"" + stringEscape(found) + "\"" : "end of input";

        return "Expected " + expectedDesc + " but " + foundDesc + " found.";
      }

      var posDetails = peg$computePosDetails(pos),
          found      = pos < input.length ? input.charAt(pos) : null;

      if (expected !== null) {
        cleanupExpected(expected);
      }

      return new SyntaxError(
        message !== null ? message : buildMessage(expected, found),
        expected,
        found,
        pos,
        posDetails.line,
        posDetails.column
      );
    }

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

      s0 = peg$currPos;
      s1 = peg$parseroot_call();
      if (s1 !== peg$FAILED) {
        s2 = peg$parseblock();
        if (s2 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c1(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

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

      s0 = peg$currPos;
      s1 = peg$parsews();
      if (s1 === peg$FAILED) {
        s1 = peg$c2;
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsecall();
        if (s2 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c3(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

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

      s0 = peg$currPos;
      s1 = [];
      s2 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 46) {
        s3 = peg$c5;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c6); }
      }
      if (s3 !== peg$FAILED) {
        s4 = peg$parsecall();
        if (s4 !== peg$FAILED) {
          peg$reportedPos = s2;
          s3 = peg$c7(s4);
          s2 = s3;
        } else {
          peg$currPos = s2;
          s2 = peg$c0;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$c0;
      }
      if (s2 !== peg$FAILED) {
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          s2 = peg$currPos;
          if (input.charCodeAt(peg$currPos) === 46) {
            s3 = peg$c5;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c6); }
          }
          if (s3 !== peg$FAILED) {
            s4 = peg$parsecall();
            if (s4 !== peg$FAILED) {
              peg$reportedPos = s2;
              s3 = peg$c7(s4);
              s2 = s3;
            } else {
              peg$currPos = s2;
              s2 = peg$c0;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$c0;
          }
        }
      } else {
        s1 = peg$c0;
      }
      if (s1 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c8(s1);
      }
      s0 = s1;

      return s0;
    }

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

      s0 = peg$currPos;
      s1 = peg$parseidentifier();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsecall_parameters();
        if (s2 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c9(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

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

      s0 = peg$currPos;
      s1 = peg$parsews();
      if (s1 === peg$FAILED) {
        s1 = peg$c2;
      }
      if (s1 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 40) {
          s2 = peg$c10;
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c11); }
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsews();
          if (s3 === peg$FAILED) {
            s3 = peg$c2;
          }
          if (s3 !== peg$FAILED) {
            s4 = peg$parseparameter_list();
            if (s4 === peg$FAILED) {
              s4 = peg$c2;
            }
            if (s4 !== peg$FAILED) {
              if (input.charCodeAt(peg$currPos) === 41) {
                s5 = peg$c12;
                peg$currPos++;
              } else {
                s5 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c13); }
              }
              if (s5 !== peg$FAILED) {
                peg$reportedPos = s0;
                s1 = peg$c14(s4);
                s0 = s1;
              } else {
                peg$currPos = s0;
                s0 = peg$c0;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$c0;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

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

      s0 = peg$currPos;
      s1 = peg$currPos;
      s2 = peg$parseparameter();
      if (s2 !== peg$FAILED) {
        s3 = [];
        s4 = peg$currPos;
        s5 = peg$parsews();
        if (s5 === peg$FAILED) {
          s5 = peg$c2;
        }
        if (s5 !== peg$FAILED) {
          s6 = peg$parseproperty_separator();
          if (s6 !== peg$FAILED) {
            s7 = peg$parsews();
            if (s7 === peg$FAILED) {
              s7 = peg$c2;
            }
            if (s7 !== peg$FAILED) {
              s8 = peg$parseparameter();
              if (s8 !== peg$FAILED) {
                peg$reportedPos = s4;
                s5 = peg$c15(s8);
                s4 = s5;
              } else {
                peg$currPos = s4;
                s4 = peg$c0;
              }
            } else {
              peg$currPos = s4;
              s4 = peg$c0;
            }
          } else {
            peg$currPos = s4;
            s4 = peg$c0;
          }
        } else {
          peg$currPos = s4;
          s4 = peg$c0;
        }
        while (s4 !== peg$FAILED) {
          s3.push(s4);
          s4 = peg$currPos;
          s5 = peg$parsews();
          if (s5 === peg$FAILED) {
            s5 = peg$c2;
          }
          if (s5 !== peg$FAILED) {
            s6 = peg$parseproperty_separator();
            if (s6 !== peg$FAILED) {
              s7 = peg$parsews();
              if (s7 === peg$FAILED) {
                s7 = peg$c2;
              }
              if (s7 !== peg$FAILED) {
                s8 = peg$parseparameter();
                if (s8 !== peg$FAILED) {
                  peg$reportedPos = s4;
                  s5 = peg$c15(s8);
                  s4 = s5;
                } else {
                  peg$currPos = s4;
                  s4 = peg$c0;
                }
              } else {
                peg$currPos = s4;
                s4 = peg$c0;
              }
            } else {
              peg$currPos = s4;
              s4 = peg$c0;
            }
          } else {
            peg$currPos = s4;
            s4 = peg$c0;
          }
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parsews();
          if (s4 === peg$FAILED) {
            s4 = peg$c2;
          }
          if (s4 !== peg$FAILED) {
            peg$reportedPos = s1;
            s2 = peg$c16(s2, s3);
            s1 = s2;
          } else {
            peg$currPos = s1;
            s1 = peg$c0;
          }
        } else {
          peg$currPos = s1;
          s1 = peg$c0;
        }
      } else {
        peg$currPos = s1;
        s1 = peg$c0;
      }
      if (s1 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c17(s1);
      }
      s0 = s1;

      return s0;
    }

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

      s0 = peg$currPos;
      s1 = [];
      if (peg$c18.test(input.charAt(peg$currPos))) {
        s2 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c19); }
      }
      if (s2 !== peg$FAILED) {
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          if (peg$c18.test(input.charAt(peg$currPos))) {
            s2 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c19); }
          }
        }
      } else {
        s1 = peg$c0;
      }
      if (s1 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c20(s1);
      }
      s0 = s1;

      return s0;
    }

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

      s0 = peg$currPos;
      s1 = peg$parsews();
      if (s1 === peg$FAILED) {
        s1 = peg$c2;
      }
      if (s1 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 123) {
          s2 = peg$c21;
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c22); }
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsews();
          if (s3 === peg$FAILED) {
            s3 = peg$c2;
          }
          if (s3 !== peg$FAILED) {
            s4 = peg$parseproperties();
            if (s4 !== peg$FAILED) {
              s5 = peg$parsews();
              if (s5 === peg$FAILED) {
                s5 = peg$c2;
              }
              if (s5 !== peg$FAILED) {
                if (input.charCodeAt(peg$currPos) === 125) {
                  s6 = peg$c23;
                  peg$currPos++;
                } else {
                  s6 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c24); }
                }
                if (s6 !== peg$FAILED) {
                  s7 = peg$parsews();
                  if (s7 === peg$FAILED) {
                    s7 = peg$c2;
                  }
                  if (s7 !== peg$FAILED) {
                    peg$reportedPos = s0;
                    s1 = peg$c25(s4);
                    s0 = s1;
                  } else {
                    peg$currPos = s0;
                    s0 = peg$c0;
                  }
                } else {
                  peg$currPos = s0;
                  s0 = peg$c0;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$c0;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$c0;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

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

      s0 = peg$currPos;
      s1 = peg$currPos;
      s2 = peg$parseproperty();
      if (s2 !== peg$FAILED) {
        s3 = [];
        s4 = peg$currPos;
        s5 = peg$parseproperty_separator();
        if (s5 !== peg$FAILED) {
          s6 = peg$parsews();
          if (s6 === peg$FAILED) {
            s6 = peg$c2;
          }
          if (s6 !== peg$FAILED) {
            s7 = peg$parseproperty();
            if (s7 !== peg$FAILED) {
              peg$reportedPos = s4;
              s5 = peg$c15(s7);
              s4 = s5;
            } else {
              peg$currPos = s4;
              s4 = peg$c0;
            }
          } else {
            peg$currPos = s4;
            s4 = peg$c0;
          }
        } else {
          peg$currPos = s4;
          s4 = peg$c0;
        }
        while (s4 !== peg$FAILED) {
          s3.push(s4);
          s4 = peg$currPos;
          s5 = peg$parseproperty_separator();
          if (s5 !== peg$FAILED) {
            s6 = peg$parsews();
            if (s6 === peg$FAILED) {
              s6 = peg$c2;
            }
            if (s6 !== peg$FAILED) {
              s7 = peg$parseproperty();
              if (s7 !== peg$FAILED) {
                peg$reportedPos = s4;
                s5 = peg$c15(s7);
                s4 = s5;
              } else {
                peg$currPos = s4;
                s4 = peg$c0;
              }
            } else {
              peg$currPos = s4;
              s4 = peg$c0;
            }
          } else {
            peg$currPos = s4;
            s4 = peg$c0;
          }
        }
        if (s3 !== peg$FAILED) {
          peg$reportedPos = s1;
          s2 = peg$c16(s2, s3);
          s1 = s2;
        } else {
          peg$currPos = s1;
          s1 = peg$c0;
        }
      } else {
        peg$currPos = s1;
        s1 = peg$c0;
      }
      if (s1 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c26(s1);
      }
      s0 = s1;

      return s0;
    }

    function peg$parseproperty() {
      var s0;

      s0 = peg$parsecall_property();
      if (s0 === peg$FAILED) {
        s0 = peg$parseobject_property();
        if (s0 === peg$FAILED) {
          s0 = peg$parsesimple_property();
        }
      }

      return s0;
    }

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

      s0 = peg$currPos;
      s1 = peg$parseidentifier();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsews();
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c27(s1);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

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

      s0 = peg$currPos;
      s1 = peg$parseidentifier();
      if (s1 !== peg$FAILED) {
        s2 = peg$parseblock();
        if (s2 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c28(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

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

      s0 = peg$currPos;
      s1 = peg$parseidentifier();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsecalls();
        if (s2 !== peg$FAILED) {
          s3 = peg$parseblock();
          if (s3 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c29(s1, s2, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parseproperty_separator() {
      var s0;

      if (input.charCodeAt(peg$currPos) === 44) {
        s0 = peg$c30;
        peg$currPos++;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c31); }
      }

      return s0;
    }

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

      s0 = peg$currPos;
      s1 = [];
      if (peg$c32.test(input.charAt(peg$currPos))) {
        s2 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c33); }
      }
      if (s2 !== peg$FAILED) {
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          if (peg$c32.test(input.charAt(peg$currPos))) {
            s2 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c33); }
          }
        }
      } else {
        s1 = peg$c0;
      }
      if (s1 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c34(s1);
      }
      s0 = s1;

      return s0;
    }

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

      peg$silentFails++;
      s0 = [];
      if (peg$c36.test(input.charAt(peg$currPos))) {
        s1 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c37); }
      }
      while (s1 !== peg$FAILED) {
        s0.push(s1);
        if (peg$c36.test(input.charAt(peg$currPos))) {
          s1 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s1 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c37); }
        }
      }
      peg$silentFails--;
      if (s0 === peg$FAILED) {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c35); }
      }

      return s0;
    }

    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({ type: "end", description: "end of input" });
      }

      throw peg$buildException(null, peg$maxFailExpected, peg$maxFailPos);
    }
  }

  return {
    SyntaxError: SyntaxError,
    parse:       parse
  };
})();