mirror of
https://github.com/joelwmale/webhook-action.git
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1ada95e04a
- Convert project to Javascript/Typescript - Allow custom headers to be passed in (optional) - Allow body to be optional
753 lines
18 KiB
JavaScript
753 lines
18 KiB
JavaScript
/*
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* Author: Alex Kocharin <alex@kocharin.ru>
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* GIT: https://github.com/rlidwka/jju
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* License: WTFPL, grab your copy here: http://www.wtfpl.net/txt/copying/
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*/
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// RTFM: http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
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var Uni = require('./unicode')
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function isHexDigit(x) {
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return (x >= '0' && x <= '9')
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|| (x >= 'A' && x <= 'F')
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|| (x >= 'a' && x <= 'f')
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}
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function isOctDigit(x) {
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return x >= '0' && x <= '7'
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}
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function isDecDigit(x) {
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return x >= '0' && x <= '9'
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}
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var unescapeMap = {
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'\'': '\'',
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'"' : '"',
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'\\': '\\',
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'b' : '\b',
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'f' : '\f',
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'n' : '\n',
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'r' : '\r',
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't' : '\t',
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'v' : '\v',
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'/' : '/',
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}
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function formatError(input, msg, position, lineno, column, json5) {
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var result = msg + ' at ' + (lineno + 1) + ':' + (column + 1)
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, tmppos = position - column - 1
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, srcline = ''
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, underline = ''
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var isLineTerminator = json5 ? Uni.isLineTerminator : Uni.isLineTerminatorJSON
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// output no more than 70 characters before the wrong ones
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if (tmppos < position - 70) {
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tmppos = position - 70
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}
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while (1) {
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var chr = input[++tmppos]
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if (isLineTerminator(chr) || tmppos === input.length) {
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if (position >= tmppos) {
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// ending line error, so show it after the last char
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underline += '^'
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}
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break
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}
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srcline += chr
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if (position === tmppos) {
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underline += '^'
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} else if (position > tmppos) {
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underline += input[tmppos] === '\t' ? '\t' : ' '
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}
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// output no more than 78 characters on the string
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if (srcline.length > 78) break
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}
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return result + '\n' + srcline + '\n' + underline
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}
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function parse(input, options) {
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// parse as a standard JSON mode
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var json5 = !(options.mode === 'json' || options.legacy)
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var isLineTerminator = json5 ? Uni.isLineTerminator : Uni.isLineTerminatorJSON
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var isWhiteSpace = json5 ? Uni.isWhiteSpace : Uni.isWhiteSpaceJSON
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var length = input.length
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, lineno = 0
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, linestart = 0
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, position = 0
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, stack = []
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var tokenStart = function() {}
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var tokenEnd = function(v) {return v}
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/* tokenize({
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raw: '...',
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type: 'whitespace'|'comment'|'key'|'literal'|'separator'|'newline',
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value: 'number'|'string'|'whatever',
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path: [...],
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})
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*/
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if (options._tokenize) {
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;(function() {
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var start = null
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tokenStart = function() {
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if (start !== null) throw Error('internal error, token overlap')
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start = position
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}
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tokenEnd = function(v, type) {
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if (start != position) {
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var hash = {
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raw: input.substr(start, position-start),
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type: type,
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stack: stack.slice(0),
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}
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if (v !== undefined) hash.value = v
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options._tokenize.call(null, hash)
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}
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start = null
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return v
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}
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})()
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}
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function fail(msg) {
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var column = position - linestart
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if (!msg) {
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if (position < length) {
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var token = '\'' +
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JSON
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.stringify(input[position])
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.replace(/^"|"$/g, '')
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.replace(/'/g, "\\'")
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.replace(/\\"/g, '"')
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+ '\''
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if (!msg) msg = 'Unexpected token ' + token
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} else {
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if (!msg) msg = 'Unexpected end of input'
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}
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}
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var error = SyntaxError(formatError(input, msg, position, lineno, column, json5))
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error.row = lineno + 1
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error.column = column + 1
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throw error
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}
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function newline(chr) {
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// account for <cr><lf>
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if (chr === '\r' && input[position] === '\n') position++
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linestart = position
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lineno++
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}
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function parseGeneric() {
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var result
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while (position < length) {
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tokenStart()
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var chr = input[position++]
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if (chr === '"' || (chr === '\'' && json5)) {
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return tokenEnd(parseString(chr), 'literal')
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} else if (chr === '{') {
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tokenEnd(undefined, 'separator')
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return parseObject()
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} else if (chr === '[') {
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tokenEnd(undefined, 'separator')
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return parseArray()
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} else if (chr === '-'
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|| chr === '.'
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|| isDecDigit(chr)
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// + number Infinity NaN
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|| (json5 && (chr === '+' || chr === 'I' || chr === 'N'))
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) {
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return tokenEnd(parseNumber(), 'literal')
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} else if (chr === 'n') {
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parseKeyword('null')
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return tokenEnd(null, 'literal')
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} else if (chr === 't') {
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parseKeyword('true')
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return tokenEnd(true, 'literal')
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} else if (chr === 'f') {
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parseKeyword('false')
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return tokenEnd(false, 'literal')
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} else {
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position--
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return tokenEnd(undefined)
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}
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}
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}
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function parseKey() {
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var result
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while (position < length) {
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tokenStart()
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var chr = input[position++]
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if (chr === '"' || (chr === '\'' && json5)) {
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return tokenEnd(parseString(chr), 'key')
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} else if (chr === '{') {
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tokenEnd(undefined, 'separator')
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return parseObject()
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} else if (chr === '[') {
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tokenEnd(undefined, 'separator')
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return parseArray()
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} else if (chr === '.'
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|| isDecDigit(chr)
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) {
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return tokenEnd(parseNumber(true), 'key')
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} else if (json5
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&& Uni.isIdentifierStart(chr) || (chr === '\\' && input[position] === 'u')) {
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// unicode char or a unicode sequence
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var rollback = position - 1
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var result = parseIdentifier()
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if (result === undefined) {
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position = rollback
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return tokenEnd(undefined)
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} else {
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return tokenEnd(result, 'key')
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}
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} else {
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position--
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return tokenEnd(undefined)
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}
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}
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}
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function skipWhiteSpace() {
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tokenStart()
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while (position < length) {
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var chr = input[position++]
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if (isLineTerminator(chr)) {
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position--
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tokenEnd(undefined, 'whitespace')
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tokenStart()
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position++
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newline(chr)
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tokenEnd(undefined, 'newline')
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tokenStart()
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} else if (isWhiteSpace(chr)) {
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// nothing
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} else if (chr === '/'
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&& json5
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&& (input[position] === '/' || input[position] === '*')
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) {
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position--
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tokenEnd(undefined, 'whitespace')
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tokenStart()
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position++
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skipComment(input[position++] === '*')
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tokenEnd(undefined, 'comment')
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tokenStart()
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} else {
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position--
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break
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}
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}
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return tokenEnd(undefined, 'whitespace')
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}
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function skipComment(multi) {
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while (position < length) {
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var chr = input[position++]
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if (isLineTerminator(chr)) {
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// LineTerminator is an end of singleline comment
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if (!multi) {
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// let parent function deal with newline
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position--
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return
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}
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newline(chr)
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} else if (chr === '*' && multi) {
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// end of multiline comment
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if (input[position] === '/') {
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position++
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return
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}
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} else {
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// nothing
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}
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}
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if (multi) {
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fail('Unclosed multiline comment')
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}
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}
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function parseKeyword(keyword) {
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// keyword[0] is not checked because it should've checked earlier
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var _pos = position
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var len = keyword.length
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for (var i=1; i<len; i++) {
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if (position >= length || keyword[i] != input[position]) {
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position = _pos-1
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fail()
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}
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position++
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}
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}
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function parseObject() {
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var result = options.null_prototype ? Object.create(null) : {}
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, empty_object = {}
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, is_non_empty = false
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while (position < length) {
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skipWhiteSpace()
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var item1 = parseKey()
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skipWhiteSpace()
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tokenStart()
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var chr = input[position++]
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tokenEnd(undefined, 'separator')
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if (chr === '}' && item1 === undefined) {
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if (!json5 && is_non_empty) {
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position--
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fail('Trailing comma in object')
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}
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return result
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} else if (chr === ':' && item1 !== undefined) {
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skipWhiteSpace()
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stack.push(item1)
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var item2 = parseGeneric()
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stack.pop()
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if (item2 === undefined) fail('No value found for key ' + item1)
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if (typeof(item1) !== 'string') {
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if (!json5 || typeof(item1) !== 'number') {
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fail('Wrong key type: ' + item1)
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}
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}
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if ((item1 in empty_object || empty_object[item1] != null) && options.reserved_keys !== 'replace') {
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if (options.reserved_keys === 'throw') {
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fail('Reserved key: ' + item1)
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} else {
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// silently ignore it
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}
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} else {
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if (typeof(options.reviver) === 'function') {
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item2 = options.reviver.call(null, item1, item2)
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}
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if (item2 !== undefined) {
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is_non_empty = true
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Object.defineProperty(result, item1, {
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value: item2,
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enumerable: true,
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configurable: true,
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writable: true,
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})
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}
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}
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skipWhiteSpace()
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tokenStart()
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var chr = input[position++]
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tokenEnd(undefined, 'separator')
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if (chr === ',') {
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continue
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} else if (chr === '}') {
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return result
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} else {
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fail()
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}
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} else {
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position--
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fail()
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}
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}
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fail()
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}
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function parseArray() {
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var result = []
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while (position < length) {
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skipWhiteSpace()
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stack.push(result.length)
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var item = parseGeneric()
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stack.pop()
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skipWhiteSpace()
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tokenStart()
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var chr = input[position++]
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tokenEnd(undefined, 'separator')
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if (item !== undefined) {
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if (typeof(options.reviver) === 'function') {
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item = options.reviver.call(null, String(result.length), item)
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}
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if (item === undefined) {
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result.length++
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item = true // hack for check below, not included into result
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} else {
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result.push(item)
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}
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}
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if (chr === ',') {
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if (item === undefined) {
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fail('Elisions are not supported')
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}
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} else if (chr === ']') {
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if (!json5 && item === undefined && result.length) {
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position--
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fail('Trailing comma in array')
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}
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return result
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} else {
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position--
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fail()
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}
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}
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}
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function parseNumber() {
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// rewind because we don't know first char
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position--
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var start = position
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, chr = input[position++]
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, t
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var to_num = function(is_octal) {
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var str = input.substr(start, position - start)
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if (is_octal) {
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var result = parseInt(str.replace(/^0o?/, ''), 8)
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} else {
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var result = Number(str)
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}
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if (Number.isNaN(result)) {
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position--
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fail('Bad numeric literal - "' + input.substr(start, position - start + 1) + '"')
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} else if (!json5 && !str.match(/^-?(0|[1-9][0-9]*)(\.[0-9]+)?(e[+-]?[0-9]+)?$/i)) {
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// additional restrictions imposed by json
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position--
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fail('Non-json numeric literal - "' + input.substr(start, position - start + 1) + '"')
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} else {
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return result
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}
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}
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// ex: -5982475.249875e+29384
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// ^ skipping this
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if (chr === '-' || (chr === '+' && json5)) chr = input[position++]
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if (chr === 'N' && json5) {
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parseKeyword('NaN')
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return NaN
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}
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if (chr === 'I' && json5) {
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parseKeyword('Infinity')
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// returning +inf or -inf
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return to_num()
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}
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if (chr >= '1' && chr <= '9') {
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// ex: -5982475.249875e+29384
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// ^^^ skipping these
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while (position < length && isDecDigit(input[position])) position++
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chr = input[position++]
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}
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// special case for leading zero: 0.123456
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if (chr === '0') {
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chr = input[position++]
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// new syntax, "0o777" old syntax, "0777"
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var is_octal = chr === 'o' || chr === 'O' || isOctDigit(chr)
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var is_hex = chr === 'x' || chr === 'X'
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if (json5 && (is_octal || is_hex)) {
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while (position < length
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&& (is_hex ? isHexDigit : isOctDigit)( input[position] )
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) position++
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var sign = 1
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if (input[start] === '-') {
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sign = -1
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start++
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} else if (input[start] === '+') {
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start++
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}
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return sign * to_num(is_octal)
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}
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}
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if (chr === '.') {
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// ex: -5982475.249875e+29384
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// ^^^ skipping these
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while (position < length && isDecDigit(input[position])) position++
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chr = input[position++]
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}
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if (chr === 'e' || chr === 'E') {
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chr = input[position++]
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if (chr === '-' || chr === '+') position++
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// ex: -5982475.249875e+29384
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// ^^^ skipping these
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while (position < length && isDecDigit(input[position])) position++
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chr = input[position++]
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}
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// we have char in the buffer, so count for it
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position--
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return to_num()
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}
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function parseIdentifier() {
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// rewind because we don't know first char
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position--
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var result = ''
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while (position < length) {
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var chr = input[position++]
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if (chr === '\\'
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&& input[position] === 'u'
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&& isHexDigit(input[position+1])
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&& isHexDigit(input[position+2])
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&& isHexDigit(input[position+3])
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&& isHexDigit(input[position+4])
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) {
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// UnicodeEscapeSequence
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chr = String.fromCharCode(parseInt(input.substr(position+1, 4), 16))
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position += 5
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}
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if (result.length) {
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// identifier started
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if (Uni.isIdentifierPart(chr)) {
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result += chr
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} else {
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position--
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return result
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}
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} else {
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if (Uni.isIdentifierStart(chr)) {
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result += chr
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} else {
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return undefined
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}
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}
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}
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fail()
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}
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function parseString(endChar) {
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// 7.8.4 of ES262 spec
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|
var result = ''
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while (position < length) {
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var chr = input[position++]
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|
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if (chr === endChar) {
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return result
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} else if (chr === '\\') {
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if (position >= length) fail()
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chr = input[position++]
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if (unescapeMap[chr] && (json5 || (chr != 'v' && chr != "'"))) {
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result += unescapeMap[chr]
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|
|
} else if (json5 && isLineTerminator(chr)) {
|
|
// line continuation
|
|
newline(chr)
|
|
|
|
} else if (chr === 'u' || (chr === 'x' && json5)) {
|
|
// unicode/character escape sequence
|
|
var off = chr === 'u' ? 4 : 2
|
|
|
|
// validation for \uXXXX
|
|
for (var i=0; i<off; i++) {
|
|
if (position >= length) fail()
|
|
if (!isHexDigit(input[position])) fail('Bad escape sequence')
|
|
position++
|
|
}
|
|
|
|
result += String.fromCharCode(parseInt(input.substr(position-off, off), 16))
|
|
} else if (json5 && isOctDigit(chr)) {
|
|
if (chr < '4' && isOctDigit(input[position]) && isOctDigit(input[position+1])) {
|
|
// three-digit octal
|
|
var digits = 3
|
|
} else if (isOctDigit(input[position])) {
|
|
// two-digit octal
|
|
var digits = 2
|
|
} else {
|
|
var digits = 1
|
|
}
|
|
position += digits - 1
|
|
result += String.fromCharCode(parseInt(input.substr(position-digits, digits), 8))
|
|
/*if (!isOctDigit(input[position])) {
|
|
// \0 is allowed still
|
|
result += '\0'
|
|
} else {
|
|
fail('Octal literals are not supported')
|
|
}*/
|
|
|
|
} else if (json5) {
|
|
// \X -> x
|
|
result += chr
|
|
|
|
} else {
|
|
position--
|
|
fail()
|
|
}
|
|
|
|
} else if (isLineTerminator(chr)) {
|
|
fail()
|
|
|
|
} else {
|
|
if (!json5 && chr.charCodeAt(0) < 32) {
|
|
position--
|
|
fail('Unexpected control character')
|
|
}
|
|
|
|
// SourceCharacter but not one of " or \ or LineTerminator
|
|
result += chr
|
|
}
|
|
}
|
|
|
|
fail()
|
|
}
|
|
|
|
skipWhiteSpace()
|
|
var return_value = parseGeneric()
|
|
if (return_value !== undefined || position < length) {
|
|
skipWhiteSpace()
|
|
|
|
if (position >= length) {
|
|
if (typeof(options.reviver) === 'function') {
|
|
return_value = options.reviver.call(null, '', return_value)
|
|
}
|
|
return return_value
|
|
} else {
|
|
fail()
|
|
}
|
|
|
|
} else {
|
|
if (position) {
|
|
fail('No data, only a whitespace')
|
|
} else {
|
|
fail('No data, empty input')
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* parse(text, options)
|
|
* or
|
|
* parse(text, reviver)
|
|
*
|
|
* where:
|
|
* text - string
|
|
* options - object
|
|
* reviver - function
|
|
*/
|
|
module.exports.parse = function parseJSON(input, options) {
|
|
// support legacy functions
|
|
if (typeof(options) === 'function') {
|
|
options = {
|
|
reviver: options
|
|
}
|
|
}
|
|
|
|
if (input === undefined) {
|
|
// parse(stringify(x)) should be equal x
|
|
// with JSON functions it is not 'cause of undefined
|
|
// so we're fixing it
|
|
return undefined
|
|
}
|
|
|
|
// JSON.parse compat
|
|
if (typeof(input) !== 'string') input = String(input)
|
|
if (options == null) options = {}
|
|
if (options.reserved_keys == null) options.reserved_keys = 'ignore'
|
|
|
|
if (options.reserved_keys === 'throw' || options.reserved_keys === 'ignore') {
|
|
if (options.null_prototype == null) {
|
|
options.null_prototype = true
|
|
}
|
|
}
|
|
|
|
try {
|
|
return parse(input, options)
|
|
} catch(err) {
|
|
// jju is a recursive parser, so JSON.parse("{{{{{{{") could blow up the stack
|
|
//
|
|
// this catch is used to skip all those internal calls
|
|
if (err instanceof SyntaxError && err.row != null && err.column != null) {
|
|
var old_err = err
|
|
err = SyntaxError(old_err.message)
|
|
err.column = old_err.column
|
|
err.row = old_err.row
|
|
}
|
|
throw err
|
|
}
|
|
}
|
|
|
|
module.exports.tokenize = function tokenizeJSON(input, options) {
|
|
if (options == null) options = {}
|
|
|
|
options._tokenize = function(smth) {
|
|
if (options._addstack) smth.stack.unshift.apply(smth.stack, options._addstack)
|
|
tokens.push(smth)
|
|
}
|
|
|
|
var tokens = []
|
|
tokens.data = module.exports.parse(input, options)
|
|
return tokens
|
|
}
|
|
|