json-parser-yaml-converter/src/grammar.js

Enhanced JSON Parser with verbose error messages and JSON to YAML conversion

// Generated automatically by nearley, version 2.20.1
// http://github.com/Hardmath123/nearley
function id(x) { return x[0]; }

  import { lexer } from './lexer.js';
  import { buildObject, buildPair, buildValue,  buildArray } from './buildAst.js';
let Lexer = lexer;
let ParserRules = [
    {"name": "main", "symbols": ["value", (lexer.has("EOF") ? {type: "EOF"} : EOF)], "postprocess": id},
    {"name": "value", "symbols": [(lexer.has("NUMBER") ? {type: "NUMBER"} : NUMBER)], "postprocess": buildValue},
    {"name": "value", "symbols": [(lexer.has("STRING") ? {type: "STRING"} : STRING)], "postprocess": buildValue},
    {"name": "value", "symbols": ["object"], "postprocess": id},
    {"name": "value", "symbols": ["array"], "postprocess": buildArray},
    {"name": "value", "symbols": [(lexer.has("TRUE") ? {type: "TRUE"} : TRUE)], "postprocess": buildValue},
    {"name": "value", "symbols": [(lexer.has("FALSE") ? {type: "FALSE"} : FALSE)], "postprocess": buildValue},
    {"name": "value", "symbols": [(lexer.has("NULL") ? {type: "NULL"} : NULL)], "postprocess": buildValue},
    {"name": "object", "symbols": [(lexer.has("LK") ? {type: "LK"} : LK), "pairList", (lexer.has("RK") ? {type: "RK"} : RK)], "postprocess": ([lk, pairList, rk]) => buildObject(pairList)},
    {"name": "object", "symbols": [(lexer.has("LK") ? {type: "LK"} : LK), (lexer.has("RK") ? {type: "RK"} : RK)], "postprocess": () => buildObject([])},
    {"name": "pairList$ebnf$1", "symbols": []},
    {"name": "pairList$ebnf$1$subexpression$1", "symbols": [(lexer.has("COMMA") ? {type: "COMMA"} : COMMA), "pair"], "postprocess": ([_, p]) => p},
    {"name": "pairList$ebnf$1", "symbols": ["pairList$ebnf$1", "pairList$ebnf$1$subexpression$1"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
    {"name": "pairList", "symbols": ["pair", "pairList$ebnf$1"], "postprocess": result => [result[0]].concat(result[1])},
    {"name": "pair", "symbols": [(lexer.has("STRING") ? {type: "STRING"} : STRING), (lexer.has("COLON") ? {type: "COLON"} : COLON), "value"], "postprocess": ([key, _, value]) => buildPair(key, value)},
    {"name": "array$ebnf$1", "symbols": []},
    {"name": "array$ebnf$1$subexpression$1", "symbols": [(lexer.has("COMMA") ? {type: "COMMA"} : COMMA), "value"], "postprocess": ([_, v]) => v},
    {"name": "array$ebnf$1", "symbols": ["array$ebnf$1", "array$ebnf$1$subexpression$1"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
    {"name": "array", "symbols": [(lexer.has("LB") ? {type: "LB"} : LB), "value", "array$ebnf$1", (lexer.has("RB") ? {type: "RB"} : RB)], "postprocess": result => [result[1]].concat(result[2])},
    {"name": "array", "symbols": [(lexer.has("LB") ? {type: "LB"} : LB), (lexer.has("RB") ? {type: "RB"} : RB)], "postprocess": () => []}
];
let ParserStart = "main";
export default { Lexer, ParserRules, ParserStart };