3935223896

Build Type

push

github

Committed by GitHub

Commit Message

Merge pull request #25 from ekr/note

Run Details

534 of 610 branches covered (87.54%)

Branch coverage included in aggregate %.

245 of 270 new or added lines in 3 files covered. (90.74%)

2 existing lines in 1 file now uncovered.

2826 of 3117 relevant lines covered (90.66%)

421.55 hits per line

Source File
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87.0

/lib/grammar.js

// Generated by Peggy 2.0.1.
//
// https://peggyjs.org/


  import * as ast from './ast.js'

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

function peg$SyntaxError(message, expected, found, location) {
  var self = Error.call(this, message);
  // istanbul ignore next Check is a necessary evil to support older environments
  if (Object.setPrototypeOf) {
    Object.setPrototypeOf(self, peg$SyntaxError.prototype);
  }
  self.expected = expected;
  self.found = found;
  self.location = location;
  self.name = "SyntaxError";
  return self;
}

peg$subclass(peg$SyntaxError, Error);

function peg$padEnd(str, targetLength, padString) {
  padString = padString || " ";
  if (str.length > targetLength) { return str; }
  targetLength -= str.length;
  padString += padString.repeat(targetLength);
  return str + padString.slice(0, targetLength);
}

peg$SyntaxError.prototype.format = function(sources) {
  var str = "Error: " + this.message;
  if (this.location) {
    var src = null;
    var k;
    for (k = 0; k < sources.length; k++) {
      if (sources[k].source === this.location.source) {
        src = sources[k].text.split(/\r\n|\n|\r/g);
        break;
      }
    }
    var s = this.location.start;
    var loc = this.location.source + ":" + s.line + ":" + s.column;
    if (src) {
      var e = this.location.end;
      var filler = peg$padEnd("", s.line.toString().length, ' ');
      var line = src[s.line - 1];
      var last = s.line === e.line ? e.column : line.length + 1;
      var hatLen = (last - s.column) || 1;
      str += "\n --> " + loc + "\n"
          + filler + " |\n"
          + s.line + " | " + line + "\n"
          + filler + " | " + peg$padEnd("", s.column - 1, ' ')
          + peg$padEnd("", hatLen, "^");
    } else {
      str += "\n at " + loc;
    }
  }
  return str;
};

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

    class: function(expectation) {
      var escapedParts = expectation.parts.map(function(part) {
        return Array.isArray(part)
          ? classEscape(part[0]) + "-" + classEscape(part[1])
          : classEscape(part);
      });

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

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

    end: function() {
      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 = expected.map(describeExpectation);
    var i, j;

    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 !== undefined ? options : {};

  var peg$FAILED = {};
  var peg$source = options.grammarSource;

  var peg$startRuleFunctions = { start: peg$parsestart };
  var peg$startRuleFunction = peg$parsestart;

  var peg$c0 = "title";
  var peg$c1 = "participant";
  var peg$c2 = "as";
  var peg$c3 = "note";
  var peg$c4 = "advance";
  var peg$c5 = "loop";
  var peg$c6 = "opt";
  var peg$c7 = "end";
  var peg$c8 = "set";
  var peg$c9 = ":";
  var peg$c10 = "@";
  var peg$c11 = "true";
  var peg$c12 = "false";
  var peg$c13 = "-";
  var peg$c14 = ">";
  var peg$c15 = "#";
  var peg$c16 = "<";
  var peg$c17 = "[";
  var peg$c18 = "]";
  var peg$c19 = ",";
  var peg$c20 = "=";
  var peg$c21 = "\"";
  var peg$c22 = "\n";

  var peg$r0 = /^[^[#\n]/;
  var peg$r1 = /^[^\n]/;
  var peg$r2 = /^[^#"\r\n\t]/;
  var peg$r3 = /^[^"]/;
  var peg$r4 = /^[a-zA-Z0-9_']/;
  var peg$r5 = /^[0-9]/;
  var peg$r6 = /^[ \t]/;

  var peg$e0 = peg$literalExpectation("title", false);
  var peg$e1 = peg$literalExpectation("participant", false);
  var peg$e2 = peg$literalExpectation("as", false);
  var peg$e3 = peg$literalExpectation("note", false);
  var peg$e4 = peg$literalExpectation("advance", false);
  var peg$e5 = peg$literalExpectation("loop", false);
  var peg$e6 = peg$literalExpectation("opt", false);
  var peg$e7 = peg$literalExpectation("end", false);
  var peg$e8 = peg$literalExpectation("set", false);
  var peg$e9 = peg$literalExpectation(":", false);
  var peg$e10 = peg$literalExpectation("@", false);
  var peg$e11 = peg$literalExpectation("true", false);
  var peg$e12 = peg$literalExpectation("false", false);
  var peg$e13 = peg$classExpectation(["[", "#", "\n"], true, false);
  var peg$e14 = peg$literalExpectation("-", false);
  var peg$e15 = peg$literalExpectation(">", false);
  var peg$e16 = peg$literalExpectation("#", false);
  var peg$e17 = peg$literalExpectation("<", false);
  var peg$e18 = peg$literalExpectation("[", false);
  var peg$e19 = peg$literalExpectation("]", false);
  var peg$e20 = peg$literalExpectation(",", false);
  var peg$e21 = peg$literalExpectation("=", false);
  var peg$e22 = peg$classExpectation(["\n"], true, false);
  var peg$e23 = peg$classExpectation(["#", "\"", "\r", "\n", "\t"], true, false);
  var peg$e24 = peg$literalExpectation("\"", false);
  var peg$e25 = peg$classExpectation(["\""], true, false);
  var peg$e26 = peg$classExpectation([["a", "z"], ["A", "Z"], ["0", "9"], "_", "'"], false, false);
  var peg$e27 = peg$classExpectation([["0", "9"]], false, false);
  var peg$e28 = peg$otherExpectation("required whitespace");
  var peg$e29 = peg$classExpectation([" ", "\t"], false, false);
  var peg$e30 = peg$otherExpectation("optional whitespace");
  var peg$e31 = peg$literalExpectation("\n", false);

  var peg$f0 = function() { diag.compute(); return diag; };
  var peg$f1 = function(p) { diag.setTitle(p); };
  var peg$f2 = function(q, w) {
    diag.parts.add(w, q);
  };
  var peg$f3 = function(w) {
    diag.parts.add(w);
  };
  var peg$f4 = function(ep, msg) { diag.addNote(location(), ep, msg); };
  var peg$f5 = function(n) { diag.addAdvance(location().start.line, n); };
  var peg$f6 = function(tm, from, op, to, msg, opts) {
      diag.addMessage(location().start.line, tm, from, op, to, msg, opts);
  };
  var peg$f7 = function(p) { diag.addBlock(location().start.line, "loop", p); };
  var peg$f8 = function(p) { diag.addBlock(location().start.line, "opt", p); };
  var peg$f9 = function() { diag.endBlock(location().start.line); };
  var peg$f10 = function(w, val) { diag.setProp(w, val); };
  var peg$f11 = function(nm, t) { return diag.addEndpoint(nm, t); };
  var peg$f12 = function() {return true;};
  var peg$f13 = function() {return false;};
  var peg$f14 = function(dash, right_arr) {
    return new ast.Arrow(null, dash, right_arr);
  };
  var peg$f15 = function(dash, right_arr) {
    return new ast.Arrow(null, dash, '#')
  };
  var peg$f16 = function(left_arr, dash, right_arr) {
    return new ast.Arrow(left_arr, dash, right_arr);
  };
  var peg$f17 = function(first, follow) {
    const opts = {};
    opts[first[0]] = first[1];
    for (let i=0; i<follow.length; i++) {
      opts[follow[i][0]] = follow[i][1];
    }
    return opts;
  };
  var peg$f18 = function(name, val) {
    return [name, (val === '') ? true : val];
  };
  var peg$f19 = function(num) { return parseInt(num, 10); };
  var peg$f20 = function() {return " "};
  var peg$f21 = function() { return " " };
  var peg$currPos = 0;
  var peg$savedPos = 0;
  var peg$posDetailsCache = [{ line: 1, column: 1 }];
  var peg$maxFailPos = 0;
  var peg$maxFailExpected = [];
  var peg$silentFails = 0;

  var 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 offset() {
    return peg$savedPos;
  }

  function range() {
    return {
      source: peg$source,
      start: peg$savedPos,
      end: peg$currPos
    };
  }

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

  function expected(description, location) {
    location = location !== undefined
      ? 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 !== undefined
      ? 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];
    var 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);
    var endPosDetails = peg$computePosDetails(endPos);

    return {
      source: peg$source,
      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, s1;

    s0 = peg$currPos;
    s1 = peg$parseactions();
    peg$savedPos = s0;
    s1 = peg$f0();
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = peg$parse_();
    s2 = peg$parseact_comment();
    if (s2 === peg$FAILED) {
      s2 = null;
    }
    s3 = [];
    s4 = peg$currPos;
    s5 = peg$parseeol();
    if (s5 !== peg$FAILED) {
      s6 = peg$parse_();
      s7 = peg$parseact_comment();
      if (s7 !== peg$FAILED) {
        s5 = [s5, s6, s7];
        s4 = s5;
      } else {
        peg$currPos = s4;
        s4 = peg$FAILED;
      }
    } else {
      peg$currPos = s4;
      s4 = peg$FAILED;
    }
    while (s4 !== peg$FAILED) {
      s3.push(s4);
      s4 = peg$currPos;
      s5 = peg$parseeol();
      if (s5 !== peg$FAILED) {
        s6 = peg$parse_();
        s7 = peg$parseact_comment();
        if (s7 !== peg$FAILED) {
          s5 = [s5, s6, s7];
          s4 = s5;
        } else {
          peg$currPos = s4;
          s4 = peg$FAILED;
        }
      } else {
        peg$currPos = s4;
        s4 = peg$FAILED;
      }
    }
    s1 = [s1, s2, s3];
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = peg$parseaction();
    if (s1 !== peg$FAILED) {
      s2 = peg$parse_();
      s3 = peg$parsecomment();
      if (s3 === peg$FAILED) {
        s3 = null;
      }
      s1 = [s1, s2, s3];
      s0 = s1;
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseaction() {
    var s0;

    s0 = peg$parsetitle();
    if (s0 === peg$FAILED) {
      s0 = peg$parseparticipant();
      if (s0 === peg$FAILED) {
        s0 = peg$parseadvance();
        if (s0 === peg$FAILED) {
          s0 = peg$parsenote();
          if (s0 === peg$FAILED) {
            s0 = peg$parseset();
            if (s0 === peg$FAILED) {
              s0 = peg$parseloop_block();
              if (s0 === peg$FAILED) {
                s0 = peg$parseopt_block();
                if (s0 === peg$FAILED) {
                  s0 = peg$parseend();
                  if (s0 === peg$FAILED) {
                    s0 = peg$parsesend();
                    if (s0 === peg$FAILED) {
                      s0 = peg$parsecomment();
                      if (s0 === peg$FAILED) {
                        s0 = peg$parse_();
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 5) === peg$c0) {
      s1 = peg$c0;
      peg$currPos += 5;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e0); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseWS();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseto_the_end();
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f1(s3);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 11) === peg$c1) {
      s1 = peg$c1;
      peg$currPos += 11;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e1); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseWS();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseqphrase();
        if (s3 !== peg$FAILED) {
          s4 = peg$parseWS();
          if (s4 !== peg$FAILED) {
            if (input.substr(peg$currPos, 2) === peg$c2) {
              s5 = peg$c2;
              peg$currPos += 2;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e2); }
            }
            if (s5 !== peg$FAILED) {
              s6 = peg$parseWS();
              if (s6 !== peg$FAILED) {
                s7 = peg$parseword();
                if (s7 !== peg$FAILED) {
                  peg$savedPos = s0;
                  s0 = peg$f2(s3, s7);
                } else {
                  peg$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$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      if (input.substr(peg$currPos, 11) === peg$c1) {
        s1 = peg$c1;
        peg$currPos += 11;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e1); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parseWS();
        if (s2 !== peg$FAILED) {
          s3 = peg$parseword();
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s0 = peg$f3(s3);
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 4) === peg$c3) {
      s1 = peg$c3;
      peg$currPos += 4;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e3); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseWS();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseendpoint();
        if (s3 !== peg$FAILED) {
          s4 = peg$parse_();
          s5 = peg$parsemessage();
          if (s5 !== peg$FAILED) {
            peg$savedPos = s0;
            s0 = peg$f4(s3, s5);
          } else {
            peg$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;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 7) === peg$c4) {
      s1 = peg$c4;
      peg$currPos += 7;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e4); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseWS();
      if (s2 !== peg$FAILED) {
        s3 = peg$parsenumber();
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f5(s3);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parsesend() {
    var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11;

    s0 = peg$currPos;
    s1 = peg$parsetimepoint();
    if (s1 === peg$FAILED) {
      s1 = null;
    }
    s2 = peg$parse_();
    s3 = peg$parseendpoint();
    if (s3 !== peg$FAILED) {
      s4 = peg$parse_();
      s5 = peg$parsearrow();
      if (s5 !== peg$FAILED) {
        s6 = peg$parse_();
        s7 = peg$parseendpoint();
        if (s7 !== peg$FAILED) {
          s8 = peg$parse_();
          s9 = peg$parsemessage();
          if (s9 === peg$FAILED) {
            s9 = null;
          }
          s10 = peg$parse_();
          s11 = peg$parseoptions();
          if (s11 === peg$FAILED) {
            s11 = null;
          }
          peg$savedPos = s0;
          s0 = peg$f6(s1, s3, s5, s7, s9, s11);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 4) === peg$c5) {
      s1 = peg$c5;
      peg$currPos += 4;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e5); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseWS();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseto_the_end();
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f7(s3);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 3) === peg$c6) {
      s1 = peg$c6;
      peg$currPos += 3;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e6); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseWS();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseto_the_end();
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f8(s3);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 3) === peg$c7) {
      s1 = peg$c7;
      peg$currPos += 3;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e7); }
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$f9();
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 3) === peg$c8) {
      s1 = peg$c8;
      peg$currPos += 3;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e8); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseWS();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseword();
        if (s3 !== peg$FAILED) {
          s4 = peg$currPos;
          s5 = peg$parseWS();
          if (s5 !== peg$FAILED) {
            s6 = peg$parsevalue();
            if (s6 !== peg$FAILED) {
              s4 = s6;
            } else {
              peg$currPos = s4;
              s4 = peg$FAILED;
            }
          } else {
            peg$currPos = s4;
            s4 = peg$FAILED;
          }
          if (s4 === peg$FAILED) {
            s4 = null;
          }
          peg$savedPos = s0;
          s0 = peg$f10(s3, s4);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = peg$parseword();
    if (s1 !== peg$FAILED) {
      s2 = peg$parse_();
      if (input.charCodeAt(peg$currPos) === 58) {
        s3 = peg$c9;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e9); }
      }
      if (s3 !== peg$FAILED) {
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = peg$parseword();
    if (s1 !== peg$FAILED) {
      s2 = peg$parsetarget_time();
      if (s2 === peg$FAILED) {
        s2 = null;
      }
      peg$savedPos = s0;
      s0 = peg$f11(s1, s2);
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 64) {
      s1 = peg$c10;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e10); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parsenumber_or_word();
      if (s2 !== peg$FAILED) {
        s0 = s2;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parsenumber_or_word() {
    var s0;

    s0 = peg$parsenumber();
    if (s0 === peg$FAILED) {
      s0 = peg$parseword();
    }

    return s0;
  }

  function peg$parsebool_number_or_word() {
    var s0;

    s0 = peg$parsebool();
    if (s0 === peg$FAILED) {
      s0 = peg$parsenumber();
      if (s0 === peg$FAILED) {
        s0 = peg$parseword();
      }
    }

    return s0;
  }

  function peg$parsevalue() {
    var s0;

    s0 = peg$parsequoted();
    if (s0 === peg$FAILED) {
      s0 = peg$parsebool();
      if (s0 === peg$FAILED) {
        s0 = peg$parsenumber();
        if (s0 === peg$FAILED) {
          s0 = peg$parseword();
        }
      }
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 4) === peg$c11) {
      s1 = peg$c11;
      peg$currPos += 4;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e11); }
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$f12();
    }
    s0 = s1;
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      if (input.substr(peg$currPos, 5) === peg$c12) {
        s1 = peg$c12;
        peg$currPos += 5;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e12); }
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$f13();
      }
      s0 = s1;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 58) {
      s1 = peg$c9;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e9); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse_();
      s3 = peg$currPos;
      s4 = [];
      if (peg$r0.test(input.charAt(peg$currPos))) {
        s5 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s5 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e13); }
      }
      while (s5 !== peg$FAILED) {
        s4.push(s5);
        if (peg$r0.test(input.charAt(peg$currPos))) {
          s5 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e13); }
        }
      }
      s3 = input.substring(s3, peg$currPos);
      s0 = s3;
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = peg$currPos;
    s2 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 45) {
      s3 = peg$c13;
      peg$currPos++;
    } else {
      s3 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e14); }
    }
    if (s3 !== peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 45) {
        s4 = peg$c13;
        peg$currPos++;
      } else {
        s4 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e14); }
      }
      if (s4 === peg$FAILED) {
        s4 = null;
      }
      s3 = [s3, s4];
      s2 = s3;
    } else {
      peg$currPos = s2;
      s2 = peg$FAILED;
    }
    if (s2 !== peg$FAILED) {
      s1 = input.substring(s1, peg$currPos);
    } else {
      s1 = s2;
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$currPos;
      s3 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 62) {
        s4 = peg$c14;
        peg$currPos++;
      } else {
        s4 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e15); }
      }
      if (s4 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 62) {
          s5 = peg$c14;
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e15); }
        }
        if (s5 === peg$FAILED) {
          s5 = null;
        }
        s4 = [s4, s5];
        s3 = s4;
      } else {
        peg$currPos = s3;
        s3 = peg$FAILED;
      }
      if (s3 !== peg$FAILED) {
        s2 = input.substring(s2, peg$currPos);
      } else {
        s2 = s3;
      }
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s0 = peg$f14(s1, s2);
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      s1 = peg$currPos;
      s2 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 45) {
        s3 = peg$c13;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e14); }
      }
      if (s3 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 45) {
          s4 = peg$c13;
          peg$currPos++;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e14); }
        }
        if (s4 === peg$FAILED) {
          s4 = null;
        }
        s3 = [s3, s4];
        s2 = s3;
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        s1 = input.substring(s1, peg$currPos);
      } else {
        s1 = s2;
      }
      if (s1 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 35) {
          s2 = peg$c15;
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e16); }
        }
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s0 = peg$f15(s1, s2);
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$currPos;
        s2 = peg$currPos;
        if (input.charCodeAt(peg$currPos) === 60) {
          s3 = peg$c16;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e17); }
        }
        if (s3 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 60) {
            s4 = peg$c16;
            peg$currPos++;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e17); }
          }
          if (s4 === peg$FAILED) {
            s4 = null;
          }
          s3 = [s3, s4];
          s2 = s3;
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
        if (s2 !== peg$FAILED) {
          s1 = input.substring(s1, peg$currPos);
        } else {
          s1 = s2;
        }
        if (s1 !== peg$FAILED) {
          s2 = peg$currPos;
          s3 = peg$currPos;
          if (input.charCodeAt(peg$currPos) === 45) {
            s4 = peg$c13;
            peg$currPos++;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e14); }
          }
          if (s4 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 45) {
              s5 = peg$c13;
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e14); }
            }
            if (s5 === peg$FAILED) {
              s5 = null;
            }
            s4 = [s4, s5];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
          if (s3 !== peg$FAILED) {
            s2 = input.substring(s2, peg$currPos);
          } else {
            s2 = s3;
          }
          if (s2 !== peg$FAILED) {
            s3 = peg$currPos;
            s4 = peg$currPos;
            if (input.charCodeAt(peg$currPos) === 62) {
              s5 = peg$c14;
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e15); }
            }
            if (s5 !== peg$FAILED) {
              if (input.charCodeAt(peg$currPos) === 62) {
                s6 = peg$c14;
                peg$currPos++;
              } else {
                s6 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$e15); }
              }
              if (s6 === peg$FAILED) {
                s6 = null;
              }
              s5 = [s5, s6];
              s4 = s5;
            } else {
              peg$currPos = s4;
              s4 = peg$FAILED;
            }
            if (s4 !== peg$FAILED) {
              s3 = input.substring(s3, peg$currPos);
            } else {
              s3 = s4;
            }
            if (s3 !== peg$FAILED) {
              peg$savedPos = s0;
              s0 = peg$f16(s1, s2, s3);
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      }
    }

    return s0;
  }

  function peg$parseoptions() {
    var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 91) {
      s1 = peg$c17;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e18); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse_();
      if (input.charCodeAt(peg$currPos) === 93) {
        s3 = peg$c18;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e19); }
      }
      if (s3 !== peg$FAILED) {
        s1 = [s1, s2, s3];
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 91) {
        s1 = peg$c17;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e18); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parse_();
        s3 = peg$parseopt();
        if (s3 !== peg$FAILED) {
          s4 = peg$parse_();
          s5 = [];
          s6 = peg$currPos;
          if (input.charCodeAt(peg$currPos) === 44) {
            s7 = peg$c19;
            peg$currPos++;
          } else {
            s7 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e20); }
          }
          if (s7 !== peg$FAILED) {
            s8 = peg$parse_();
            s9 = peg$parseopt();
            if (s9 !== peg$FAILED) {
              s6 = s9;
            } else {
              peg$currPos = s6;
              s6 = peg$FAILED;
            }
          } else {
            peg$currPos = s6;
            s6 = peg$FAILED;
          }
          while (s6 !== peg$FAILED) {
            s5.push(s6);
            s6 = peg$currPos;
            if (input.charCodeAt(peg$currPos) === 44) {
              s7 = peg$c19;
              peg$currPos++;
            } else {
              s7 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$e20); }
            }
            if (s7 !== peg$FAILED) {
              s8 = peg$parse_();
              s9 = peg$parseopt();
              if (s9 !== peg$FAILED) {
                s6 = s9;
              } else {
                peg$currPos = s6;
                s6 = peg$FAILED;
              }
            } else {
              peg$currPos = s6;
              s6 = peg$FAILED;
            }
          }
          s6 = peg$parse_();
          if (input.charCodeAt(peg$currPos) === 93) {
            s7 = peg$c18;
            peg$currPos++;
          } else {
            s7 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$e19); }
          }
          if (s7 !== peg$FAILED) {
            peg$savedPos = s0;
            s0 = peg$f17(s3, s5);
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = peg$parseword();
    if (s1 !== peg$FAILED) {
      s2 = peg$currPos;
      s3 = peg$parse_();
      if (input.charCodeAt(peg$currPos) === 61) {
        s4 = peg$c20;
        peg$currPos++;
      } else {
        s4 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e21); }
      }
      if (s4 !== peg$FAILED) {
        s5 = peg$parse_();
        s6 = peg$parsevalue();
        if (s6 !== peg$FAILED) {
          s2 = s6;
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 === peg$FAILED) {
        s2 = null;
      }
      peg$savedPos = s0;
      s0 = peg$f18(s1, s2);
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 35) {
      s1 = peg$c15;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e16); }
    }
    if (s1 !== peg$FAILED) {
      s2 = [];
      if (peg$r1.test(input.charAt(peg$currPos))) {
        s3 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e22); }
      }
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        if (peg$r1.test(input.charAt(peg$currPos))) {
          s3 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e22); }
        }
      }
      s1 = [s1, s2];
      s0 = s1;
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$parsequoted();
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      s1 = [];
      if (peg$r2.test(input.charAt(peg$currPos))) {
        s2 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e23); }
      }
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$r2.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e23); }
        }
      }
      s0 = input.substring(s0, peg$currPos);
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 34) {
      s1 = peg$c21;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e24); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$currPos;
      s3 = [];
      if (peg$r3.test(input.charAt(peg$currPos))) {
        s4 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s4 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e25); }
      }
      while (s4 !== peg$FAILED) {
        s3.push(s4);
        if (peg$r3.test(input.charAt(peg$currPos))) {
          s4 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e25); }
        }
      }
      s2 = input.substring(s2, peg$currPos);
      if (input.charCodeAt(peg$currPos) === 34) {
        s3 = peg$c21;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e24); }
      }
      if (s3 !== peg$FAILED) {
        s0 = s2;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseqphrase() {
    var s0;

    s0 = peg$parsequoted();
    if (s0 === peg$FAILED) {
      s0 = peg$parseword();
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    if (peg$r4.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e26); }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$r4.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e26); }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      s0 = input.substring(s0, peg$currPos);
    } else {
      s0 = s1;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = peg$currPos;
    s2 = [];
    if (peg$r5.test(input.charAt(peg$currPos))) {
      s3 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s3 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e27); }
    }
    if (s3 !== peg$FAILED) {
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        if (peg$r5.test(input.charAt(peg$currPos))) {
          s3 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e27); }
        }
      }
    } else {
      s2 = peg$FAILED;
    }
    if (s2 !== peg$FAILED) {
      s1 = input.substring(s1, peg$currPos);
    } else {
      s1 = s2;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$f19(s1);
    }
    s0 = s1;

    return s0;
  }

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

    peg$silentFails++;
    s0 = peg$currPos;
    s1 = [];
    if (peg$r6.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e29); }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$r6.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$e29); }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$f20();
    }
    s0 = s1;
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e28); }
    }

    return s0;
  }

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

    peg$silentFails++;
    s0 = peg$currPos;
    s1 = [];
    if (peg$r6.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e29); }
    }
    while (s2 !== peg$FAILED) {
      s1.push(s2);
      if (peg$r6.test(input.charAt(peg$currPos))) {
        s2 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$e29); }
      }
    }
    peg$savedPos = s0;
    s1 = peg$f21();
    s0 = s1;
    peg$silentFails--;
    s1 = peg$FAILED;
    if (peg$silentFails === 0) { peg$fail(peg$e30); }

    return s0;
  }

  function peg$parseeol() {
    var s0;

    if (input.charCodeAt(peg$currPos) === 10) {
      s0 = peg$c22;
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$e31); }
    }

    return s0;
  }


  const diag = new ast.Diagram();

  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)
    );
  }
}

export {
  peg$SyntaxError as SyntaxError,

  peg$parse as parse
};

hildjj / quence / 3935223896

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