text: /*
   * Generated by PEG.js 0.10.0.
   *
   * http://pegjs.org/
   */
  
  "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$c0 = function(line) { return line ? line : [] },
        peg$c1 = function(command, type, then) { return [ { command, type } ].concat(then || []) },
        peg$c2 = function(command, type) { return [ { command, type: type || ';' } ] },
        peg$c3 = function(then) { return then },
        peg$c4 = ";",
        peg$c5 = peg$literalExpectation(";", false),
        peg$c6 = "&",
        peg$c7 = peg$literalExpectation("&", false),
        peg$c8 = function(chain, then) { return then ? { chain, then } : { chain } },
        peg$c9 = function(type, then) { return { type, line: then } },
        peg$c10 = "&&",
        peg$c11 = peg$literalExpectation("&&", false),
        peg$c12 = "||",
        peg$c13 = peg$literalExpectation("||", false),
        peg$c14 = function(main, then) { return then ? { ...main, then } : main },
        peg$c15 = function(type, then) { return { type, chain: then } },
        peg$c16 = "|&",
        peg$c17 = peg$literalExpectation("|&", false),
        peg$c18 = "|",
        peg$c19 = peg$literalExpectation("|", false),
        peg$c20 = "=",
        peg$c21 = peg$literalExpectation("=", false),
        peg$c22 = function(name, arg) { return { name, args: [arg] } },
        peg$c23 = function(name) { return { name, args: [] } },
        peg$c24 = "(",
        peg$c25 = peg$literalExpectation("(", false),
        peg$c26 = ")",
        peg$c27 = peg$literalExpectation(")", false),
        peg$c28 = function(subshell, args) { return { type: `subshell`, subshell, args } },
        peg$c29 = "{",
        peg$c30 = peg$literalExpectation("{", false),
        peg$c31 = "}",
        peg$c32 = peg$literalExpectation("}", false),
        peg$c33 = function(group, args) { return { type: `group`, group, args } },
        peg$c34 = function(envs, args) { return { type: `command`, args, envs } },
        peg$c35 = function(envs) { return { type: `envs`, envs } },
        peg$c36 = function(args) { return args },
        peg$c37 = function(arg) { return arg },
        peg$c38 = /^[0-9]/,
        peg$c39 = peg$classExpectation([["0", "9"]], false, false),
        peg$c40 = function(fd, redirect, arg) { return { type: `redirection`, subtype: redirect, fd: fd !== null ? parseInt(fd) : null, args: [arg] } },
        peg$c41 = ">>",
        peg$c42 = peg$literalExpectation(">>", false),
        peg$c43 = ">&",
        peg$c44 = peg$literalExpectation(">&", false),
        peg$c45 = ">",
        peg$c46 = peg$literalExpectation(">", false),
        peg$c47 = "<<<",
        peg$c48 = peg$literalExpectation("<<<", false),
        peg$c49 = "<&",
        peg$c50 = peg$literalExpectation("<&", false),
        peg$c51 = "<",
        peg$c52 = peg$literalExpectation("<", false),
        peg$c53 = function(segments) { return { type: `argument`, segments: [].concat(... segments) } },
        peg$c54 = function(string) { return string },
        peg$c55 = "'",
        peg$c56 = peg$literalExpectation("'", false),
        peg$c57 = function(text) { return [ { type: `text`, text } ] },
        peg$c58 = "\"",
        peg$c59 = peg$literalExpectation("\"", false),
        peg$c60 = function(segments) { return segments },
        peg$c61 = function(arithmetic) { return { type: `arithmetic`, arithmetic, quoted: true} },
        peg$c62 = function(shell) { return { type: `shell`, shell, quoted: true } },
        peg$c63 = function(variable) { return { type: `variable`, ...variable, quoted: true } },
        peg$c64 = function(text) { return { type: `text`, text } },
        peg$c65 = function(arithmetic) { return { type: `arithmetic`, arithmetic, quoted: false} },
        peg$c66 = function(shell) { return { type: `shell`, shell, quoted: false } },
        peg$c67 = function(variable) { return { type: `variable`, ...variable, quoted: false } },
        peg$c68 = function(pattern) { return { type: `glob`, pattern } },
        peg$c69 = "\\",
        peg$c70 = peg$literalExpectation("\\", false),
        peg$c71 = peg$anyExpectation(),
        peg$c72 = function(c) { return c },
        peg$c73 = /^[^']/,
        peg$c74 = peg$classExpectation(["'"], true, false),
        peg$c75 = function(chars) { return chars.join(``) },
        peg$c76 = /^[^$"]/,
        peg$c77 = peg$classExpectation(["$", "\""], true, false),
        peg$c78 = "-",
        peg$c79 = peg$literalExpectation("-", false),
        peg$c80 = "+",
        peg$c81 = peg$literalExpectation("+", false),
        peg$c82 = ".",
        peg$c83 = peg$literalExpectation(".", false),
        peg$c84 = function(sign, left, right) { return { type: `number`, value: (sign === '-' ? -1 : 1) * parseFloat(left.join(``) + `.` + right.join(``)) } },
        peg$c85 = function(sign, value) { return { type: `number`, value: (sign === '-' ? -1 : 1) *  parseInt(value.join(``)) } },
        peg$c86 = function(variable) { return { type: `variable`, ...variable } },
        peg$c87 = function(name) { return { type: `variable`, name } },
        peg$c88 = function(value) { return value },
        peg$c89 = "*",
        peg$c90 = peg$literalExpectation("*", false),
        peg$c91 = function(left, right) { return { type: `multiplication`, left, right } },
        peg$c92 = "/",
        peg$c93 = peg$literalExpectation("/", false),
        peg$c94 = function(left, right) { return { type: `division`, left, right } },
        peg$c95 = function(left, right) { return { type: `addition`, left, right } },
        peg$c96 = function(left, right) { return { type: `subtraction`, left, right } },
        peg$c97 = "$((",
        peg$c98 = peg$literalExpectation("$((", false),
        peg$c99 = "))",
        peg$c100 = peg$literalExpectation("))", false),
        peg$c101 = function(arithmetic) { return arithmetic },
        peg$c102 = "$(",
        peg$c103 = peg$literalExpectation("$(", false),
        peg$c104 = function(command) { return command },
        peg$c105 = "${",
        peg$c106 = peg$literalExpectation("${", false),
        peg$c107 = ":-",
        peg$c108 = peg$literalExpectation(":-", false),
        peg$c109 = function(name, arg) { return { name, defaultValue: arg } },
        peg$c110 = ":-}",
        peg$c111 = peg$literalExpectation(":-}", false),
        peg$c112 = function(name) { return { name, defaultValue: [] } },
        peg$c113 = function(name) { return { name } },
        peg$c114 = "$",
        peg$c115 = peg$literalExpectation("$", false),
        peg$c116 = function(pattern) { return options.isGlobPattern(pattern) },
        peg$c117 = function(pattern) { return pattern },
        peg$c118 = /^[a-zA-Z0-9_]/,
        peg$c119 = peg$classExpectation([["a", "z"], ["A", "Z"], ["0", "9"], "_"], false, false),
        peg$c120 = function() { return text() },
        peg$c121 = /^[$@*?#a-zA-Z0-9_\-]/,
        peg$c122 = peg$classExpectation(["$", "@", "*", "?", "#", ["a", "z"], ["A", "Z"], ["0", "9"], "_", "-"], false, false),
        peg$c123 = /^[(){}<>$|&; \t"']/,
        peg$c124 = peg$classExpectation(["(", ")", "{", "}", "<", ">", "$", "|", "&", ";", " ", "\t", "\"", "'"], false, false),
        peg$c125 = /^[<>&; \t"']/,
        peg$c126 = peg$classExpectation(["<", ">", "&", ";", " ", "\t", "\"", "'"], false, false),
        peg$c127 = /^[ \t]/,
        peg$c128 = peg$classExpectation([" ", "\t"], false, false),
  
        peg$currPos          = 0,
        peg$savedPos         = 0,
        peg$posDetailsCache  = [{ line: 1, column: 1 }],
        peg$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$savedPos, peg$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, s1;
  
      s0 = peg$currPos;
      s1 = peg$parseShellLine();
      if (s1 === peg$FAILED) {
        s1 = null;
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c0(s1);
      }
      s0 = s1;
  
      return s0;
    }
  
    function peg$parseShellLine() {
      var s0, s1, s2, s3, s4;
  
      s0 = peg$currPos;
      s1 = peg$parseCommandLine();
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parseS();
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parseS();
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parseShellLineType();
          if (s3 !== peg$FAILED) {
            s4 = peg$parseShellLineThen();
            if (s4 === peg$FAILED) {
              s4 = null;
            }
            if (s4 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c1(s1, s3, 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;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parseCommandLine();
        if (s1 !== peg$FAILED) {
          s2 = [];
          s3 = peg$parseS();
          while (s3 !== peg$FAILED) {
            s2.push(s3);
            s3 = peg$parseS();
          }
          if (s2 !== peg$FAILED) {
            s3 = peg$parseShellLineType();
            if (s3 === peg$FAILED) {
              s3 = null;
            }
            if (s3 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c2(s1, s3);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      }
  
      return s0;
    }
  
    function peg$parseShellLineThen() {
      var s0, s1, s2, s3, s4;
  
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$parseS();
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parseS();
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parseShellLine();
        if (s2 !== peg$FAILED) {
          s3 = [];
          s4 = peg$parseS();
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parseS();
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c3(s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
  
      return s0;
    }
  
    function peg$parseShellLineType() {
      var s0;
  
      if (input.charCodeAt(peg$currPos) === 59) {
        s0 = peg$c4;
        peg$currPos++;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c5); }
      }
      if (s0 === peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 38) {
          s0 = peg$c6;
          peg$currPos++;
        } else {
          s0 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c7); }
        }
      }
  
      return s0;
    }
  
    function peg$parseCommandLine() {
      var s0, s1, s2;
  
      s0 = peg$currPos;
      s1 = peg$parseCommandChain();
      if (s1 !== peg$FAILED) {
        s2 = peg$parseCommandLineThen();
        if (s2 === peg$FAILED) {
          s2 = null;
        }
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c8(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
  
      return s0;
    }
  
    function peg$parseCommandLineThen() {
      var s0, s1, s2, s3, s4, s5, s6;
  
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$parseS();
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parseS();
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parseCommandLineType();
        if (s2 !== peg$FAILED) {
          s3 = [];
          s4 = peg$parseS();
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parseS();
          }
          if (s3 !== peg$FAILED) {
            s4 = peg$parseCommandLine();
            if (s4 !== peg$FAILED) {
              s5 = [];
              s6 = peg$parseS();
              while (s6 !== peg$FAILED) {
                s5.push(s6);
                s6 = peg$parseS();
              }
              if (s5 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c9(s2, s4);
                s0 = s1;
              } else {
                peg$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$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
  
      return s0;
    }
  
    function peg$parseCommandLineType() {
      var s0;
  
      if (input.substr(peg$currPos, 2) === peg$c10) {
        s0 = peg$c10;
        peg$currPos += 2;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c11); }
      }
      if (s0 === peg$FAILED) {
        if (input.substr(peg$currPos, 2) === peg$c12) {
          s0 = peg$c12;
          peg$currPos += 2;
        } else {
          s0 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c13); }
        }
      }
  
      return s0;
    }
  
    function peg$parseCommandChain() {
      var s0, s1, s2;
  
      s0 = peg$currPos;
      s1 = peg$parseCommand();
      if (s1 !== peg$FAILED) {
        s2 = peg$parseCommandChainThen();
        if (s2 === peg$FAILED) {
          s2 = null;
        }
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c14(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
  
      return s0;
    }
  
    function peg$parseCommandChainThen() {
      var s0, s1, s2, s3, s4, s5, s6;
  
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$parseS();
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parseS();
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parseCommandChainType();
        if (s2 !== peg$FAILED) {
          s3 = [];
          s4 = peg$parseS();
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parseS();
          }
          if (s3 !== peg$FAILED) {
            s4 = peg$parseCommandChain();
            if (s4 !== peg$FAILED) {
              s5 = [];
              s6 = peg$parseS();
              while (s6 !== peg$FAILED) {
                s5.push(s6);
                s6 = peg$parseS();
              }
              if (s5 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c15(s2, s4);
                s0 = s1;
              } else {
                peg$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$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
  
      return s0;
    }
  
    function peg$parseCommandChainType() {
      var s0;
  
      if (input.substr(peg$currPos, 2) === peg$c16) {
        s0 = peg$c16;
        peg$currPos += 2;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c17); }
      }
      if (s0 === peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 124) {
          s0 = peg$c18;
          peg$currPos++;
        } else {
          s0 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c19); }
        }
      }
  
      return s0;
    }
  
    function peg$parseVariableAssignment() {
      var s0, s1, s2, s3, s4, s5;
  
      s0 = peg$currPos;
      s1 = peg$parseEnvVariable();
      if (s1 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 61) {
          s2 = peg$c20;
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c21); }
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parseStrictValueArgument();
          if (s3 !== peg$FAILED) {
            s4 = [];
            s5 = peg$parseS();
            while (s5 !== peg$FAILED) {
              s4.push(s5);
              s5 = peg$parseS();
            }
            if (s4 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c22(s1, s3);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parseEnvVariable();
        if (s1 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 61) {
            s2 = peg$c20;
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c21); }
          }
          if (s2 !== peg$FAILED) {
            s3 = [];
            s4 = peg$parseS();
            while (s4 !== peg$FAILED) {
              s3.push(s4);
              s4 = peg$parseS();
            }
            if (s3 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c23(s1);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      }
  
      return s0;
    }
  
    function peg$parseCommand() {
      var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
  
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$parseS();
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parseS();
      }
      if (s1 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 40) {
          s2 = peg$c24;
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c25); }
        }
        if (s2 !== peg$FAILED) {
          s3 = [];
          s4 = peg$parseS();
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parseS();
          }
          if (s3 !== peg$FAILED) {
            s4 = peg$parseShellLine();
            if (s4 !== peg$FAILED) {
              s5 = [];
              s6 = peg$parseS();
              while (s6 !== peg$FAILED) {
                s5.push(s6);
                s6 = peg$parseS();
              }
              if (s5 !== peg$FAILED) {
                if (input.charCodeAt(peg$currPos) === 41) {
                  s6 = peg$c26;
                  peg$currPos++;
                } else {
                  s6 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c27); }
                }
                if (s6 !== peg$FAILED) {
                  s7 = [];
                  s8 = peg$parseS();
                  while (s8 !== peg$FAILED) {
                    s7.push(s8);
                    s8 = peg$parseS();
                  }
                  if (s7 !== peg$FAILED) {
                    s8 = [];
                    s9 = peg$parseRedirectArgument();
                    while (s9 !== peg$FAILED) {
                      s8.push(s9);
                      s9 = peg$parseRedirectArgument();
                    }
                    if (s8 !== peg$FAILED) {
                      s9 = [];
                      s10 = peg$parseS();
                      while (s10 !== peg$FAILED) {
                        s9.push(s10);
                        s10 = peg$parseS();
                      }
                      if (s9 !== peg$FAILED) {
                        peg$savedPos = s0;
                        s1 = peg$c28(s4, s8);
                        s0 = s1;
                      } else {
                        peg$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$FAILED;
            }
          } else {
            peg$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$currPos;
        s1 = [];
        s2 = peg$parseS();
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          s2 = peg$parseS();
        }
        if (s1 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 123) {
            s2 = peg$c29;
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c30); }
          }
          if (s2 !== peg$FAILED) {
            s3 = [];
            s4 = peg$parseS();
            while (s4 !== peg$FAILED) {
              s3.push(s4);
              s4 = peg$parseS();
            }
            if (s3 !== peg$FAILED) {
              s4 = peg$parseShellLine();
              if (s4 !== peg$FAILED) {
                s5 = [];
                s6 = peg$parseS();
                while (s6 !== peg$FAILED) {
                  s5.push(s6);
                  s6 = peg$parseS();
                }
                if (s5 !== peg$FAILED) {
                  if (input.charCodeAt(peg$currPos) === 125) {
                    s6 = peg$c31;
                    peg$currPos++;
                  } else {
                    s6 = peg$FAILED;
                    if (peg$silentFails === 0) { peg$fail(peg$c32); }
                  }
                  if (s6 !== peg$FAILED) {
                    s7 = [];
                    s8 = peg$parseS();
                    while (s8 !== peg$FAILED) {
                      s7.push(s8);
                      s8 = peg$parseS();
                    }
                    if (s7 !== peg$FAILED) {
                      s8 = [];
                      s9 = peg$parseRedirectArgument();
                      while (s9 !== peg$FAILED) {
                        s8.push(s9);
                        s9 = peg$parseRedirectArgument();
                      }
                      if (s8 !== peg$FAILED) {
                        s9 = [];
                        s10 = peg$parseS();
                        while (s10 !== peg$FAILED) {
                          s9.push(s10);
                          s10 = peg$parseS();
                        }
                        if (s9 !== peg$FAILED) {
                          peg$savedPos = s0;
                          s1 = peg$c33(s4, s8);
                          s0 = s1;
                        } else {
                          peg$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$FAILED;
              }
            } else {
              peg$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$currPos;
          s1 = [];
          s2 = peg$parseS();
          while (s2 !== peg$FAILED) {
            s1.push(s2);
            s2 = peg$parseS();
          }
          if (s1 !== peg$FAILED) {
            s2 = [];
            s3 = peg$parseVariableAssignment();
            while (s3 !== peg$FAILED) {
              s2.push(s3);
              s3 = peg$parseVariableAssignment();
            }
            if (s2 !== peg$FAILED) {
              s3 = [];
              s4 = peg$parseS();
              while (s4 !== peg$FAILED) {
                s3.push(s4);
                s4 = peg$parseS();
              }
              if (s3 !== peg$FAILED) {
                s4 = [];
                s5 = peg$parseArgument();
                if (s5 !== peg$FAILED) {
                  while (s5 !== peg$FAILED) {
                    s4.push(s5);
                    s5 = peg$parseArgument();
                  }
                } else {
                  s4 = peg$FAILED;
                }
                if (s4 !== peg$FAILED) {
                  s5 = [];
                  s6 = peg$parseS();
                  while (s6 !== peg$FAILED) {
                    s5.push(s6);
                    s6 = peg$parseS();
                  }
                  if (s5 !== peg$FAILED) {
                    peg$savedPos = s0;
                    s1 = peg$c34(s2, s4);
                    s0 = s1;
                  } else {
                    peg$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$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
          if (s0 === peg$FAILED) {
            s0 = peg$currPos;
            s1 = [];
            s2 = peg$parseS();
            while (s2 !== peg$FAILED) {
              s1.push(s2);
              s2 = peg$parseS();
            }
            if (s1 !== peg$FAILED) {
              s2 = [];
              s3 = peg$parseVariableAssignment();
              if (s3 !== peg$FAILED) {
                while (s3 !== peg$FAILED) {
                  s2.push(s3);
                  s3 = peg$parseVariableAssignment();
                }
              } else {
                s2 = peg$FAILED;
              }
              if (s2 !== peg$FAILED) {
                s3 = [];
                s4 = peg$parseS();
                while (s4 !== peg$FAILED) {
                  s3.push(s4);
                  s4 = peg$parseS();
                }
                if (s3 !== peg$FAILED) {
                  peg$savedPos = s0;
                  s1 = peg$c35(s2);
                  s0 = s1;
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          }
        }
      }
  
      return s0;
    }
  
    function peg$parseCommandString() {
      var s0, s1, s2, s3, s4;
  
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$parseS();
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parseS();
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parseValueArgument();
        if (s3 !== peg$FAILED) {
          while (s3 !== peg$FAILED) {
            s2.push(s3);
            s3 = peg$parseValueArgument();
          }
        } else {
          s2 = peg$FAILED;
        }
        if (s2 !== peg$FAILED) {
          s3 = [];
          s4 = peg$parseS();
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parseS();
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c36(s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
  
      return s0;
    }
  
    function peg$parseArgument() {
      var s0, s1, s2;
  
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$parseS();
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parseS();
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parseRedirectArgument();
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c37(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = [];
        s2 = peg$parseS();
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          s2 = peg$parseS();
        }
        if (s1 !== peg$FAILED) {
          s2 = peg$parseValueArgument();
          if (s2 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c37(s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      }
  
      return s0;
    }
  
    function peg$parseRedirectArgument() {
      var s0, s1, s2, s3, s4;
  
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$parseS();
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parseS();
      }
      if (s1 !== peg$FAILED) {
        if (peg$c38.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c39); }
        }
        if (s2 === peg$FAILED) {
          s2 = null;
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parseRedirectType();
          if (s3 !== peg$FAILED) {
            s4 = peg$parseValueArgument();
            if (s4 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c40(s2, s3, s4);
              s0 = s1;
            } else {
              peg$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;
      }
  
      return s0;
    }
  
    function peg$parseRedirectType() {
      var s0;
  
      if (input.substr(peg$currPos, 2) === peg$c41) {
        s0 = peg$c41;
        peg$currPos += 2;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c42); }
      }
      if (s0 === peg$FAILED) {
        if (input.substr(peg$currPos, 2) === peg$c43) {
          s0 = peg$c43;
          peg$currPos += 2;
        } else {
          s0 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c44); }
        }
        if (s0 === peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 62) {
            s0 = peg$c45;
            peg$currPos++;
          } else {
            s0 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c46); }
          }
          if (s0 === peg$FAILED) {
            if (input.substr(peg$currPos, 3) === peg$c47) {
              s0 = peg$c47;
              peg$currPos += 3;
            } else {
              s0 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c48); }
            }
            if (s0 === peg$FAILED) {
              if (input.substr(peg$currPos, 2) === peg$c49) {
                s0 = peg$c49;
                peg$currPos += 2;
              } else {
                s0 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c50); }
              }
              if (s0 === peg$FAILED) {
                if (input.charCodeAt(peg$currPos) === 60) {
                  s0 = peg$c51;
                  peg$currPos++;
                } else {
                  s0 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c52); }
                }
              }
            }
          }
        }
      }
  
      return s0;
    }
  
    function peg$parseValueArgument() {
      var s0, s1, s2;
  
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$parseS();
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parseS();
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parseStrictValueArgument();
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c37(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
  
      return s0;
    }
  
    function peg$parseStrictValueArgument() {
      var s0, s1, s2;
  
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$parseArgumentSegment();
      if (s2 !== peg$FAILED) {
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          s2 = peg$parseArgumentSegment();
        }
      } else {
        s1 = peg$FAILED;
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c53(s1);
      }
      s0 = s1;
  
      return s0;
    }
  
    function peg$parseArgumentSegment() {
      var s0, s1;
  
      s0 = peg$currPos;
      s1 = peg$parseSglQuoteString();
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c54(s1);
      }
      s0 = s1;
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parseDblQuoteString();
        if (s1 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c54(s1);
        }
        s0 = s1;
        if (s0 === peg$FAILED) {
          s0 = peg$currPos;
          s1 = peg$parsePlainString();
          if (s1 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c54(s1);
          }
          s0 = s1;
        }
      }
  
      return s0;
    }
  
    function peg$parseSglQuoteString() {
      var s0, s1, s2, s3;
  
      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 39) {
        s1 = peg$c55;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c56); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parseSglQuoteStringText();
        if (s2 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 39) {
            s3 = peg$c55;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c56); }
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c57(s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
  
      return s0;
    }
  
    function peg$parseDblQuoteString() {
      var s0, s1, s2, s3;
  
      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 34) {
        s1 = peg$c58;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c59); }
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parseDblQuoteStringSegment();
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parseDblQuoteStringSegment();
        }
        if (s2 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 34) {
            s3 = peg$c58;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c59); }
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c60(s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
  
      return s0;
    }
  
    function peg$parsePlainString() {
      var s0, s1, s2;
  
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$parsePlainStringSegment();
      if (s2 !== peg$FAILED) {
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          s2 = peg$parsePlainStringSegment();
        }
      } else {
        s1 = peg$FAILED;
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c60(s1);
      }
      s0 = s1;
  
      return s0;
    }
  
    function peg$parseDblQuoteStringSegment() {
      var s0, s1;
  
      s0 = peg$currPos;
      s1 = peg$parseArithmetic();
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c61(s1);
      }
      s0 = s1;
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parseSubshell();
        if (s1 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c62(s1);
        }
        s0 = s1;
        if (s0 === peg$FAILED) {
          s0 = peg$currPos;
          s1 = peg$parseVariable();
          if (s1 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c63(s1);
          }
          s0 = s1;
          if (s0 === peg$FAILED) {
            s0 = peg$currPos;
            s1 = peg$parseDblQuoteStringText();
            if (s1 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c64(s1);
            }
            s0 = s1;
          }
        }
      }
  
      return s0;
    }
  
    function peg$parsePlainStringSegment() {
      var s0, s1;
  
      s0 = peg$currPos;
      s1 = peg$parseArithmetic();
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c65(s1);
      }
      s0 = s1;
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parseSubshell();
        if (s1 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c66(s1);
        }
        s0 = s1;
        if (s0 === peg$FAILED) {
          s0 = peg$currPos;
          s1 = peg$parseVariable();
          if (s1 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c67(s1);
          }
          s0 = s1;
          if (s0 === peg$FAILED) {
            s0 = peg$currPos;
            s1 = peg$parseGlob();
            if (s1 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c68(s1);
            }
            s0 = s1;
            if (s0 === peg$FAILED) {
              s0 = peg$currPos;
              s1 = peg$parsePlainStringText();
              if (s1 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c64(s1);
              }
              s0 = s1;
            }
          }
        }
      }
  
      return s0;
    }
  
    function peg$parseSglQuoteStringText() {
      var s0, s1, s2, s3, s4;
  
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 92) {
        s3 = peg$c69;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c70); }
      }
      if (s3 !== peg$FAILED) {
        if (input.length > peg$currPos) {
          s4 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c71); }
        }
        if (s4 !== peg$FAILED) {
          peg$savedPos = s2;
          s3 = peg$c72(s4);
          s2 = s3;
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 === peg$FAILED) {
        if (peg$c73.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c74); }
        }
      }
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$currPos;
        if (input.charCodeAt(peg$currPos) === 92) {
          s3 = peg$c69;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c70); }
        }
        if (s3 !== peg$FAILED) {
          if (input.length > peg$currPos) {
            s4 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c71); }
          }
          if (s4 !== peg$FAILED) {
            peg$savedPos = s2;
            s3 = peg$c72(s4);
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
        if (s2 === peg$FAILED) {
          if (peg$c73.test(input.charAt(peg$currPos))) {
            s2 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c74); }
          }
        }
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c75(s1);
      }
      s0 = s1;
  
      return s0;
    }
  
    function peg$parseDblQuoteStringText() {
      var s0, s1, s2, s3, s4;
  
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 92) {
        s3 = peg$c69;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c70); }
      }
      if (s3 !== peg$FAILED) {
        if (input.length > peg$currPos) {
          s4 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c71); }
        }
        if (s4 !== peg$FAILED) {
          peg$savedPos = s2;
          s3 = peg$c72(s4);
          s2 = s3;
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 === peg$FAILED) {
        if (peg$c76.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c77); }
        }
      }
      if (s2 !== peg$FAILED) {
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          s2 = peg$currPos;
          if (input.charCodeAt(peg$currPos) === 92) {
            s3 = peg$c69;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c70); }
          }
          if (s3 !== peg$FAILED) {
            if (input.length > peg$currPos) {
              s4 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c71); }
            }
            if (s4 !== peg$FAILED) {
              peg$savedPos = s2;
              s3 = peg$c72(s4);
              s2 = s3;
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
          if (s2 === peg$FAILED) {
            if (peg$c76.test(input.charAt(peg$currPos))) {
              s2 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s2 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c77); }
            }
          }
        }
      } else {
        s1 = peg$FAILED;
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c75(s1);
      }
      s0 = s1;
  
      return s0;
    }
  
    function peg$parsePlainStringText() {
      var s0, s1, s2, s3, s4;
  
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 92) {
        s3 = peg$c69;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c70); }
      }
      if (s3 !== peg$FAILED) {
        if (input.length > peg$currPos) {
          s4 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c71); }
        }
        if (s4 !== peg$FAILED) {
          peg$savedPos = s2;
          s3 = peg$c72(s4);
          s2 = s3;
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 === peg$FAILED) {
        s2 = peg$currPos;
        s3 = peg$currPos;
        peg$silentFails++;
        s4 = peg$parseSpecialShellChars();
        peg$silentFails--;
        if (s4 === peg$FAILED) {
          s3 = void 0;
        } else {
          peg$currPos = s3;
          s3 = peg$FAILED;
        }
        if (s3 !== peg$FAILED) {
          if (input.length > peg$currPos) {
            s4 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c71); }
          }
          if (s4 !== peg$FAILED) {
            peg$savedPos = s2;
            s3 = peg$c72(s4);
            s2 = s3;
          } 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$currPos;
          if (input.charCodeAt(peg$currPos) === 92) {
            s3 = peg$c69;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c70); }
          }
          if (s3 !== peg$FAILED) {
            if (input.length > peg$currPos) {
              s4 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c71); }
            }
            if (s4 !== peg$FAILED) {
              peg$savedPos = s2;
              s3 = peg$c72(s4);
              s2 = s3;
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
          if (s2 === peg$FAILED) {
            s2 = peg$currPos;
            s3 = peg$currPos;
            peg$silentFails++;
            s4 = peg$parseSpecialShellChars();
            peg$silentFails--;
            if (s4 === peg$FAILED) {
              s3 = void 0;
            } else {
              peg$currPos = s3;
              s3 = peg$FAILED;
            }
            if (s3 !== peg$FAILED) {
              if (input.length > peg$currPos) {
                s4 = input.charAt(peg$currPos);
                peg$currPos++;
              } else {
                s4 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c71); }
              }
              if (s4 !== peg$FAILED) {
                peg$savedPos = s2;
                s3 = peg$c72(s4);
                s2 = s3;
              } else {
                peg$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;
  
      return s0;
    }
  
    function peg$parseArithmeticPrimary() {
      var s0, s1, s2, s3, s4, s5;
  
      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 45) {
        s1 = peg$c78;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c79); }
      }
      if (s1 === peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 43) {
          s1 = peg$c80;
          peg$currPos++;
        } else {
          s1 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c81); }
        }
      }
      if (s1 === peg$FAILED) {
        s1 = null;
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        if (peg$c38.test(input.charAt(peg$currPos))) {
          s3 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c39); }
        }
        if (s3 !== peg$FAILED) {
          while (s3 !== peg$FAILED) {
            s2.push(s3);
            if (peg$c38.test(input.charAt(peg$currPos))) {
              s3 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s3 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c39); }
            }
          }
        } else {
          s2 = peg$FAILED;
        }
        if (s2 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 46) {
            s3 = peg$c82;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c83); }
          }
          if (s3 !== peg$FAILED) {
            s4 = [];
            if (peg$c38.test(input.charAt(peg$currPos))) {
              s5 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c39); }
            }
            if (s5 !== peg$FAILED) {
              while (s5 !== peg$FAILED) {
                s4.push(s5);
                if (peg$c38.test(input.charAt(peg$currPos))) {
                  s5 = input.charAt(peg$currPos);
                  peg$currPos++;
                } else {
                  s5 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c39); }
                }
              }
            } else {
              s4 = peg$FAILED;
            }
            if (s4 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c84(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;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        if (input.charCodeAt(peg$currPos) === 45) {
          s1 = peg$c78;
          peg$currPos++;
        } else {
          s1 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c79); }
        }
        if (s1 === peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 43) {
            s1 = peg$c80;
            peg$currPos++;
          } else {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c81); }
          }
        }
        if (s1 === peg$FAILED) {
          s1 = null;
        }
        if (s1 !== peg$FAILED) {
          s2 = [];
          if (peg$c38.test(input.charAt(peg$currPos))) {
            s3 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c39); }
          }
          if (s3 !== peg$FAILED) {
            while (s3 !== peg$FAILED) {
              s2.push(s3);
              if (peg$c38.test(input.charAt(peg$currPos))) {
                s3 = input.charAt(peg$currPos);
                peg$currPos++;
              } else {
                s3 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c39); }
              }
            }
          } else {
            s2 = peg$FAILED;
          }
          if (s2 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c85(s1, s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
        if (s0 === peg$FAILED) {
          s0 = peg$currPos;
          s1 = peg$parseVariable();
          if (s1 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c86(s1);
          }
          s0 = s1;
          if (s0 === peg$FAILED) {
            s0 = peg$currPos;
            s1 = peg$parseIdentifier();
            if (s1 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c87(s1);
            }
            s0 = s1;
            if (s0 === peg$FAILED) {
              s0 = peg$currPos;
              if (input.charCodeAt(peg$currPos) === 40) {
                s1 = peg$c24;
                peg$currPos++;
              } else {
                s1 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c25); }
              }
              if (s1 !== peg$FAILED) {
                s2 = [];
                s3 = peg$parseS();
                while (s3 !== peg$FAILED) {
                  s2.push(s3);
                  s3 = peg$parseS();
                }
                if (s2 !== peg$FAILED) {
                  s3 = peg$parseArithmeticExpression();
                  if (s3 !== peg$FAILED) {
                    s4 = [];
                    s5 = peg$parseS();
                    while (s5 !== peg$FAILED) {
                      s4.push(s5);
                      s5 = peg$parseS();
                    }
                    if (s4 !== peg$FAILED) {
                      if (input.charCodeAt(peg$currPos) === 41) {
                        s5 = peg$c26;
                        peg$currPos++;
                      } else {
                        s5 = peg$FAILED;
                        if (peg$silentFails === 0) { peg$fail(peg$c27); }
                      }
                      if (s5 !== peg$FAILED) {
                        peg$savedPos = s0;
                        s1 = peg$c88(s3);
                        s0 = s1;
                      } else {
                        peg$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;
              }
            }
          }
        }
      }
  
      return s0;
    }
  
    function peg$parseArithmeticTimesExpression() {
      var s0, s1, s2, s3, s4, s5;
  
      s0 = peg$currPos;
      s1 = peg$parseArithmeticPrimary();
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parseS();
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parseS();
        }
        if (s2 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 42) {
            s3 = peg$c89;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c90); }
          }
          if (s3 !== peg$FAILED) {
            s4 = [];
            s5 = peg$parseS();
            while (s5 !== peg$FAILED) {
              s4.push(s5);
              s5 = peg$parseS();
            }
            if (s4 !== peg$FAILED) {
              s5 = peg$parseArithmeticTimesExpression();
              if (s5 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c91(s1, s5);
                s0 = s1;
              } else {
                peg$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$FAILED;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parseArithmeticPrimary();
        if (s1 !== peg$FAILED) {
          s2 = [];
          s3 = peg$parseS();
          while (s3 !== peg$FAILED) {
            s2.push(s3);
            s3 = peg$parseS();
          }
          if (s2 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 47) {
              s3 = peg$c92;
              peg$currPos++;
            } else {
              s3 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c93); }
            }
            if (s3 !== peg$FAILED) {
              s4 = [];
              s5 = peg$parseS();
              while (s5 !== peg$FAILED) {
                s4.push(s5);
                s5 = peg$parseS();
              }
              if (s4 !== peg$FAILED) {
                s5 = peg$parseArithmeticTimesExpression();
                if (s5 !== peg$FAILED) {
                  peg$savedPos = s0;
                  s1 = peg$c94(s1, s5);
                  s0 = s1;
                } else {
                  peg$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$FAILED;
        }
        if (s0 === peg$FAILED) {
          s0 = peg$parseArithmeticPrimary();
        }
      }
  
      return s0;
    }
  
    function peg$parseArithmeticExpression() {
      var s0, s1, s2, s3, s4, s5;
  
      s0 = peg$currPos;
      s1 = peg$parseArithmeticTimesExpression();
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parseS();
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parseS();
        }
        if (s2 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 43) {
            s3 = peg$c80;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c81); }
          }
          if (s3 !== peg$FAILED) {
            s4 = [];
            s5 = peg$parseS();
            while (s5 !== peg$FAILED) {
              s4.push(s5);
              s5 = peg$parseS();
            }
            if (s4 !== peg$FAILED) {
              s5 = peg$parseArithmeticExpression();
              if (s5 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c95(s1, s5);
                s0 = s1;
              } else {
                peg$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$FAILED;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parseArithmeticTimesExpression();
        if (s1 !== peg$FAILED) {
          s2 = [];
          s3 = peg$parseS();
          while (s3 !== peg$FAILED) {
            s2.push(s3);
            s3 = peg$parseS();
          }
          if (s2 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 45) {
              s3 = peg$c78;
              peg$currPos++;
            } else {
              s3 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c79); }
            }
            if (s3 !== peg$FAILED) {
              s4 = [];
              s5 = peg$parseS();
              while (s5 !== peg$FAILED) {
                s4.push(s5);
                s5 = peg$parseS();
              }
              if (s4 !== peg$FAILED) {
                s5 = peg$parseArithmeticExpression();
                if (s5 !== peg$FAILED) {
                  peg$savedPos = s0;
                  s1 = peg$c96(s1, s5);
                  s0 = s1;
                } else {
                  peg$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$FAILED;
        }
        if (s0 === peg$FAILED) {
          s0 = peg$parseArithmeticTimesExpression();
        }
      }
  
      return s0;
    }
  
    function peg$parseArithmetic() {
      var s0, s1, s2, s3, s4, s5;
  
      s0 = peg$currPos;
      if (input.substr(peg$currPos, 3) === peg$c97) {
        s1 = peg$c97;
        peg$currPos += 3;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c98); }
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parseS();
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parseS();
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parseArithmeticExpression();
          if (s3 !== peg$FAILED) {
            s4 = [];
            s5 = peg$parseS();
            while (s5 !== peg$FAILED) {
              s4.push(s5);
              s5 = peg$parseS();
            }
            if (s4 !== peg$FAILED) {
              if (input.substr(peg$currPos, 2) === peg$c99) {
                s5 = peg$c99;
                peg$currPos += 2;
              } else {
                s5 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c100); }
              }
              if (s5 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c101(s3);
                s0 = s1;
              } else {
                peg$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;
      }
  
      return s0;
    }
  
    function peg$parseSubshell() {
      var s0, s1, s2, s3;
  
      s0 = peg$currPos;
      if (input.substr(peg$currPos, 2) === peg$c102) {
        s1 = peg$c102;
        peg$currPos += 2;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c103); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parseShellLine();
        if (s2 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 41) {
            s3 = peg$c26;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c27); }
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c104(s2);
            s0 = s1;
          } 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$parseVariable() {
      var s0, s1, s2, s3, s4, s5;
  
      s0 = peg$currPos;
      if (input.substr(peg$currPos, 2) === peg$c105) {
        s1 = peg$c105;
        peg$currPos += 2;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c106); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parseIdentifier();
        if (s2 !== peg$FAILED) {
          if (input.substr(peg$currPos, 2) === peg$c107) {
            s3 = peg$c107;
            peg$currPos += 2;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c108); }
          }
          if (s3 !== peg$FAILED) {
            s4 = peg$parseCommandString();
            if (s4 !== peg$FAILED) {
              if (input.charCodeAt(peg$currPos) === 125) {
                s5 = peg$c31;
                peg$currPos++;
              } else {
                s5 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c32); }
              }
              if (s5 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c109(s2, s4);
                s0 = s1;
              } else {
                peg$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$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        if (input.substr(peg$currPos, 2) === peg$c105) {
          s1 = peg$c105;
          peg$currPos += 2;
        } else {
          s1 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c106); }
        }
        if (s1 !== peg$FAILED) {
          s2 = peg$parseIdentifier();
          if (s2 !== peg$FAILED) {
            if (input.substr(peg$currPos, 3) === peg$c110) {
              s3 = peg$c110;
              peg$currPos += 3;
            } else {
              s3 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c111); }
            }
            if (s3 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c112(s2);
              s0 = s1;
            } else {
              peg$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$currPos;
          if (input.substr(peg$currPos, 2) === peg$c105) {
            s1 = peg$c105;
            peg$currPos += 2;
          } else {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c106); }
          }
          if (s1 !== peg$FAILED) {
            s2 = peg$parseIdentifier();
            if (s2 !== peg$FAILED) {
              if (input.charCodeAt(peg$currPos) === 125) {
                s3 = peg$c31;
                peg$currPos++;
              } else {
                s3 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c32); }
              }
              if (s3 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c113(s2);
                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;
            if (input.charCodeAt(peg$currPos) === 36) {
              s1 = peg$c114;
              peg$currPos++;
            } else {
              s1 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c115); }
            }
            if (s1 !== peg$FAILED) {
              s2 = peg$parseIdentifier();
              if (s2 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c113(s2);
                s0 = s1;
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          }
        }
      }
  
      return s0;
    }
  
    function peg$parseGlob() {
      var s0, s1, s2;
  
      s0 = peg$currPos;
      s1 = peg$parseGlobText();
      if (s1 !== peg$FAILED) {
        peg$savedPos = peg$currPos;
        s2 = peg$c116(s1);
        if (s2) {
          s2 = void 0;
        } else {
          s2 = peg$FAILED;
        }
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c117(s1);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
  
      return s0;
    }
  
    function peg$parseGlobText() {
      var s0, s1, s2, s3, s4;
  
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$currPos;
      s3 = peg$currPos;
      peg$silentFails++;
      s4 = peg$parseGlobSpecialShellChars();
      peg$silentFails--;
      if (s4 === peg$FAILED) {
        s3 = void 0;
      } else {
        peg$currPos = s3;
        s3 = peg$FAILED;
      }
      if (s3 !== peg$FAILED) {
        if (input.length > peg$currPos) {
          s4 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c71); }
        }
        if (s4 !== peg$FAILED) {
          peg$savedPos = s2;
          s3 = peg$c72(s4);
          s2 = s3;
        } 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$currPos;
          s3 = peg$currPos;
          peg$silentFails++;
          s4 = peg$parseGlobSpecialShellChars();
          peg$silentFails--;
          if (s4 === peg$FAILED) {
            s3 = void 0;
          } else {
            peg$currPos = s3;
            s3 = peg$FAILED;
          }
          if (s3 !== peg$FAILED) {
            if (input.length > peg$currPos) {
              s4 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c71); }
            }
            if (s4 !== peg$FAILED) {
              peg$savedPos = s2;
              s3 = peg$c72(s4);
              s2 = s3;
            } else {
              peg$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;
  
      return s0;
    }
  
    function peg$parseEnvVariable() {
      var s0, s1, s2;
  
      s0 = peg$currPos;
      s1 = [];
      if (peg$c118.test(input.charAt(peg$currPos))) {
        s2 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c119); }
      }
      if (s2 !== peg$FAILED) {
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          if (peg$c118.test(input.charAt(peg$currPos))) {
            s2 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c119); }
          }
        }
      } else {
        s1 = peg$FAILED;
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c120();
      }
      s0 = s1;
  
      return s0;
    }
  
    function peg$parseIdentifier() {
      var s0, s1, s2;
  
      s0 = peg$currPos;
      s1 = [];
      if (peg$c121.test(input.charAt(peg$currPos))) {
        s2 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c122); }
      }
      if (s2 !== peg$FAILED) {
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          if (peg$c121.test(input.charAt(peg$currPos))) {
            s2 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c122); }
          }
        }
      } else {
        s1 = peg$FAILED;
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c120();
      }
      s0 = s1;
  
      return s0;
    }
  
    function peg$parseSpecialShellChars() {
      var s0;
  
      if (peg$c123.test(input.charAt(peg$currPos))) {
        s0 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c124); }
      }
  
      return s0;
    }
  
    function peg$parseGlobSpecialShellChars() {
      var s0;
  
      if (peg$c125.test(input.charAt(peg$currPos))) {
        s0 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c126); }
      }
  
      return s0;
    }
  
    function peg$parseS() {
      var s0, s1;
  
      s0 = [];
      if (peg$c127.test(input.charAt(peg$currPos))) {
        s1 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c128); }
      }
      if (s1 !== peg$FAILED) {
        while (s1 !== peg$FAILED) {
          s0.push(s1);
          if (peg$c127.test(input.charAt(peg$currPos))) {
            s1 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c128); }
          }
        }
      } else {
        s0 = peg$FAILED;
      }
  
      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(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)
      );
    }
  }
  
  module.exports = {
    SyntaxError: peg$SyntaxError,
    parse:       peg$parse
  };
  