"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0; you may not use this file except in compliance with the Elastic License
 * 2.0.
 */

/*
 * Generated by PEG.js 0.10.0.
 *
 * http://pegjs.org/
 */
function peg$subclass(child, parent) {
  function ctor() {
    this.constructor = child;
  }
  ctor.prototype = parent.prototype;
  // eslint-disable-next-line new-cap
  child.prototype = new ctor();
}
function pegSyntaxError(message, expected, found, location) {
  this.message = message;
  this.expected = expected;
  this.found = found;
  this.location = location;
  this.name = 'SyntaxError';
  if (typeof Error.captureStackTrace === 'function') {
    Error.captureStackTrace(this, pegSyntaxError);
  }
}
peg$subclass(pegSyntaxError, Error);
pegSyntaxError.buildMessage = function (expected, found) {
  const DESCRIBE_EXPECTATION_FNS = {
    literal: function (expectation) {
      return '"' + literalEscape(expectation.text) + '"';
    },
    class: function (expectation) {
      let escapedParts = '';
      let 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 + ']';
    },
    // eslint-disable-next-line no-unused-vars
    any: function (expectation) {
      return 'any character';
    },
    // eslint-disable-next-line no-unused-vars
    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) {
    const descriptions = new Array(expected.length);
    let i;
    let 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 pegParse(input, options) {
  options = options !== void 0 ? options : {};
  const peg$FAILED = {};
  const peg$startRuleFunctions = {
    Exps: peg$parseExps
  };
  let peg$startRuleFunction = peg$parseExps;
  const peg$c0 = function (e) {
    return e.map(x => x[0]);
  };
  const peg$c1 = '${';
  const peg$c2 = peg$literalExpectation('${', false);
  const peg$c3 = '}';
  const peg$c4 = peg$literalExpectation('}', false);
  const peg$c5 = function (varCont) {
    return {
      type: 'var',
      content: {
        name: varCont[0][0].content,
        default: varCont[0][1] ? varCont[0][1].content : null
      }
    };
  };
  const peg$c6 = function (varCont) {
    return {
      type: 'varname',
      content: varCont.map(c => c.char || c).join('')
    };
  };
  const peg$c7 = ':';
  const peg$c8 = peg$literalExpectation(':', false);
  const peg$c9 = function (defCont) {
    return {
      type: 'vardefault',
      content: defCont.join('')
    };
  };
  const peg$c10 = /^[^}:\\\r\n]/;
  const peg$c11 = peg$classExpectation(['}', ':', '\\', '\r', '\n'], true, false);
  const peg$c12 = '\\';
  const peg$c13 = peg$literalExpectation('\\', false);
  const peg$c14 = function () {
    return {
      type: 'char',
      char: '\\'
    };
  };
  const peg$c15 = function () {
    return {
      type: 'char',
      char: '\x7d'
    };
  };
  const peg$c16 = function (sequence) {
    return sequence.char;
  };
  const peg$c17 = /^[^}\\\r\n]/;
  const peg$c18 = peg$classExpectation(['}', '\\', '\r', '\n'], true, false);
  const peg$c19 = function (nonVarCont) {
    return {
      type: 'nonvar',
      content: nonVarCont.map(c => c.char || c).join('')
    };
  };
  const peg$c20 = /^[^$]/;
  const peg$c21 = peg$classExpectation(['$'], true, false);
  const peg$c22 = '$';
  const peg$c23 = peg$literalExpectation('$', false);
  const peg$c24 = /^[^{]/;
  const peg$c25 = peg$classExpectation(['{'], true, false);
  const peg$c26 = peg$otherExpectation('whitespace');
  const peg$c27 = /^[ \t\n\r]/;
  const peg$c28 = peg$classExpectation([' ', '\t', '\n', '\r'], false, false);
  let peg$currPos = 0;
  let peg$savedPos = 0;
  const peg$posDetailsCache = [{
    line: 1,
    column: 1
  }];
  let peg$maxFailPos = 0;
  let peg$maxFailExpected = [];
  let peg$silentFails = 0;
  let peg$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];
  }

  // eslint-disable-next-line no-unused-vars
  function text() {
    return input.substring(peg$savedPos, peg$currPos);
  }
  // eslint-disable-next-line no-unused-vars
  function location() {
    return peg$computeLocation(peg$savedPos, peg$currPos);
  }
  // eslint-disable-next-line no-unused-vars
  function expected(description, location) {
    location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos);
    throw peg$buildStructuredError([peg$otherExpectation(description)], input.substring(peg$savedPos, peg$currPos), location);
  }
  // eslint-disable-next-line no-unused-vars
  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
    };
  }

  // eslint-disable-next-line no-unused-vars
  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) {
    let details = peg$posDetailsCache[pos];
    let p;
    if (details) {
      return details;
    } else {
      p = pos - 1;
      while (!peg$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$computeLocation(startPos, endPos) {
    const startPosDetails = peg$computePosDetails(startPos);
    const 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$buildSimpleError(message, location) {
    // eslint-disable-next-line new-cap
    return new pegSyntaxError(message, null, null, location);
  }
  function peg$buildStructuredError(expected, found, location) {
    // eslint-disable-next-line new-cap
    return new pegSyntaxError(pegSyntaxError.buildMessage(expected, found), expected, found, location);
  }
  function peg$parseExps() {
    let s0;
    let s1;
    let s2;
    s0 = peg$currPos;
    s1 = [];
    s2 = peg$parseExp();
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parseExp();
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c0(s1);
    }
    s0 = s1;
    return s0;
  }
  function peg$parseExp() {
    let s0;
    let s1;
    s0 = [];
    s1 = peg$parseVar();
    if (s1 !== peg$FAILED) {
      while (s1 !== peg$FAILED) {
        s0.push(s1);
        s1 = peg$parseVar();
      }
    } else {
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = [];
      s1 = peg$parseNonVar();
      if (s1 !== peg$FAILED) {
        while (s1 !== peg$FAILED) {
          s0.push(s1);
          s1 = peg$parseNonVar();
        }
      } else {
        s0 = peg$FAILED;
      }
    }
    return s0;
  }
  function peg$parseVar() {
    let s0;
    let s1;
    let s2;
    let s3;
    let s4;
    let s5;
    s0 = peg$currPos;
    if (input.substr(peg$currPos, 2) === peg$c1) {
      s1 = peg$c1;
      peg$currPos += 2;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c2);
      }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse_();
      if (s2 !== peg$FAILED) {
        s3 = [];
        s4 = peg$parseVarInner();
        if (s4 !== peg$FAILED) {
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parseVarInner();
          }
        } else {
          s3 = peg$FAILED;
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parse_();
          if (s4 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 125) {
              s5 = peg$c3;
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) {
                peg$fail(peg$c4);
              }
            }
            if (s5 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c5(s3);
              s0 = s1;
            } else {
              peg$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$FAILED;
    }
    return s0;
  }
  function peg$parseVarInner() {
    let s0;
    let s1;
    let s2;
    s0 = peg$currPos;
    s1 = peg$parseVarName();
    if (s1 !== peg$FAILED) {
      s2 = peg$parseVarDefault();
      if (s2 === peg$FAILED) {
        s2 = null;
      }
      if (s2 !== peg$FAILED) {
        s1 = [s1, s2];
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    return s0;
  }
  function peg$parseVarName() {
    let s0;
    let s1;
    let s2;
    s0 = peg$currPos;
    s1 = [];
    s2 = peg$parseVarNameChar();
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parseVarNameChar();
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c6(s1);
    }
    s0 = s1;
    return s0;
  }
  function peg$parseVarDefault() {
    let s0;
    let s1;
    let s2;
    let s3;
    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 58) {
      s1 = peg$c7;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c8);
      }
    }
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$parseVarDefaultChar();
      if (s3 !== peg$FAILED) {
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parseVarDefaultChar();
        }
      } else {
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c9(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    return s0;
  }
  function peg$parseVarNameChar() {
    let s0;
    let s1;
    let s2;
    let s3;
    if (peg$c10.test(input.charAt(peg$currPos))) {
      s0 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c11);
      }
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      s1 = peg$parseEscape();
      if (s1 !== peg$FAILED) {
        s2 = peg$currPos;
        if (input.charCodeAt(peg$currPos) === 92) {
          s3 = peg$c12;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c13);
          }
        }
        if (s3 !== peg$FAILED) {
          peg$savedPos = s2;
          s3 = peg$c14();
        }
        s2 = s3;
        if (s2 === peg$FAILED) {
          s2 = peg$currPos;
          if (input.charCodeAt(peg$currPos) === 125) {
            s3 = peg$c3;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) {
              peg$fail(peg$c4);
            }
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s2;
            s3 = peg$c15();
          }
          s2 = s3;
        }
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c16(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    }
    return s0;
  }
  function peg$parseVarDefaultChar() {
    let s0;
    let s1;
    let s2;
    let s3;
    if (peg$c17.test(input.charAt(peg$currPos))) {
      s0 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c18);
      }
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      s1 = peg$parseEscape();
      if (s1 !== peg$FAILED) {
        s2 = peg$currPos;
        if (input.charCodeAt(peg$currPos) === 92) {
          s3 = peg$c12;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c13);
          }
        }
        if (s3 !== peg$FAILED) {
          peg$savedPos = s2;
          s3 = peg$c14();
        }
        s2 = s3;
        if (s2 === peg$FAILED) {
          s2 = peg$currPos;
          if (input.charCodeAt(peg$currPos) === 125) {
            s3 = peg$c3;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) {
              peg$fail(peg$c4);
            }
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s2;
            s3 = peg$c15();
          }
          s2 = s3;
        }
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c16(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    }
    return s0;
  }
  function peg$parseNonVar() {
    let s0;
    let s1;
    let s2;
    s0 = peg$currPos;
    s1 = [];
    s2 = peg$parseNonVarCont();
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parseNonVarCont();
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c19(s1);
    }
    s0 = s1;
    return s0;
  }
  function peg$parseNonVarCont() {
    let s0;
    s0 = peg$parseDollarNotVarStart();
    if (s0 === peg$FAILED) {
      s0 = peg$parseNotDollar();
    }
    return s0;
  }
  function peg$parseNotDollar() {
    let s0;
    if (peg$c20.test(input.charAt(peg$currPos))) {
      s0 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c21);
      }
    }
    return s0;
  }
  function peg$parseDollarNotVarStart() {
    let s0;
    let s1;
    let s2;
    let s3;
    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 36) {
      s1 = peg$c22;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c23);
      }
    }
    if (s1 !== peg$FAILED) {
      s2 = [];
      if (peg$c24.test(input.charAt(peg$currPos))) {
        s3 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) {
          peg$fail(peg$c25);
        }
      }
      if (s3 !== peg$FAILED) {
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          if (peg$c24.test(input.charAt(peg$currPos))) {
            s3 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) {
              peg$fail(peg$c25);
            }
          }
        }
      } else {
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        s1 = [s1, s2];
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    return s0;
  }
  function peg$parse_() {
    let s0;
    let s1;
    peg$silentFails++;
    // eslint-disable-next-line prefer-const
    s0 = [];
    if (peg$c27.test(input.charAt(peg$currPos))) {
      s1 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c28);
      }
    }
    while (s1 !== peg$FAILED) {
      s0.push(s1);
      if (peg$c27.test(input.charAt(peg$currPos))) {
        s1 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) {
          peg$fail(peg$c28);
        }
      }
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c26);
      }
    }
    return s0;
  }
  function peg$parseEscape() {
    let s0;
    if (input.charCodeAt(peg$currPos) === 92) {
      s0 = peg$c12;
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c13);
      }
    }
    return s0;
  }

  // eslint-disable-next-line prefer-const
  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));
  }
}
var _default = {
  SyntaxError: pegSyntaxError,
  parse: pegParse
};
exports.default = _default;
module.exports = exports.default;