2 lines
23 KiB
JavaScript
2 lines
23 KiB
JavaScript
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class ParseError extends Error{sourceStart;sourceEnd;parserState;constructor(e,n,t,o){super(e),this.name="ParseError",this.sourceStart=n,this.sourceEnd=t,this.parserState=o}}class ParseErrorWithToken extends ParseError{token;constructor(e,n,t,o,r){super(e,n,t,o),this.token=r}}const e={UnexpectedNewLineInString:"Unexpected newline while consuming a string token.",UnexpectedEOFInString:"Unexpected EOF while consuming a string token.",UnexpectedEOFInComment:"Unexpected EOF while consuming a comment.",UnexpectedEOFInURL:"Unexpected EOF while consuming a url token.",UnexpectedEOFInEscapedCodePoint:"Unexpected EOF while consuming an escaped code point.",UnexpectedCharacterInURL:"Unexpected character while consuming a url token.",InvalidEscapeSequenceInURL:"Invalid escape sequence while consuming a url token.",InvalidEscapeSequenceAfterBackslash:'Invalid escape sequence after "\\"'},n="undefined"!=typeof globalThis&&"structuredClone"in globalThis;function cloneTokens(e){return n?structuredClone(e):JSON.parse(JSON.stringify(e))}function stringify(...e){let n="";for(let t=0;t<e.length;t++)n+=e[t][1];return n}const t=13,o=45,r=10,i=43,s=65533;function checkIfFourCodePointsWouldStartCDO(e){return 60===e.source.codePointAt(e.cursor)&&33===e.source.codePointAt(e.cursor+1)&&e.source.codePointAt(e.cursor+2)===o&&e.source.codePointAt(e.cursor+3)===o}function isDigitCodePoint(e){return e>=48&&e<=57}function isUppercaseLetterCodePoint(e){return e>=65&&e<=90}function isLowercaseLetterCodePoint(e){return e>=97&&e<=122}function isHexDigitCodePoint(e){return e>=48&&e<=57||e>=97&&e<=102||e>=65&&e<=70}function isLetterCodePoint(e){return isLowercaseLetterCodePoint(e)||isUppercaseLetterCodePoint(e)}function isIdentStartCodePoint(e){return isLetterCodePoint(e)||isNonASCII_IdentCodePoint(e)||95===e}function isIdentCodePoint(e){return isIdentStartCodePoint(e)||isDigitCodePoint(e)||e===o}function isNonASCII_IdentCodePoint(e){return 183===e||8204===e||8205===e||8255===e||8256===e||8204===e||(192<=e&&e<=214||216<=e&&e<=246||248<=e&&e<=893||895<=e&&e<=8191||8304<=e&&e<=8591||11264<=e&&e<=12271||12289<=e&&e<=55295||63744<=e&&e<=64975||65008<=e&&e<=65533||(0===e||(!!isSurrogate(e)||e>=65536)))}function isNewLine(e){return e===r||e===t||12===e}function isWhitespace(e){return 32===e||e===r||9===e||e===t||12===e}function isSurrogate(e){return e>=55296&&e<=57343}function checkIfTwoCodePointsAreAValidEscape(e){return 92===e.source.codePointAt(e.cursor)&&!isNewLine(e.source.codePointAt(e.cursor+1)??-1)}function checkIfThreeCodePointsWouldStartAnIdentSequence(e,n){return n.source.codePointAt(n.cursor)===o?n.source.codePointAt(n.cursor+1)===o||(!!isIdentStartCodePoint(n.source.codePointAt(n.cursor+1)??-1)||92===n.source.codePointAt(n.cursor+1)&&!isNewLine(n.source.codePointAt(n.cursor+2)??-1)):!!isIdentStartCodePoint(n.source.codePointAt(n.cursor)??-1)||checkIfTwoCodePointsAreAValidEscape(n)}function checkIfThreeCodePointsWouldStartANumber(e){return e.source.codePointAt(e.cursor)===i||e.source.codePointAt(e.cursor)===o?!!isDigitCodePoint(e.source.codePointAt(e.cursor+1)??-1)||46===e.source.codePointAt(e.cursor+1)&&isDigitCodePoint(e.source.codePointAt(e.cursor+2)??-1):46===e.source.codePointAt(e.cursor)?isDigitCodePoint(e.source.codePointAt(e.cursor+1)??-1):isDigitCodePoint(e.source.codePointAt(e.cursor)??-1)}function checkIfTwoCodePointsStartAComment(e){return 47===e.source.codePointAt(e.cursor)&&42===e.source.codePointAt(e.cursor+1)}function checkIfThreeCodePointsWouldStartCDC(e){return e.source.codePointAt(e.cursor)===o&&e.source.codePointAt(e.cursor+1)===o&&62===e.source.codePointAt(e.cursor+2)}var c,a,u;function mirrorVariantType(e){switch(e){case c.OpenParen:return c.CloseParen;case c.CloseParen:return c.OpenParen;case c.OpenCurly:return c.CloseCurly;case c.CloseCurly:return c.OpenCurly;case c.OpenSquare:return c.CloseSquare;case c.CloseSquare:return c.OpenSquare;default:return null}}function mirrorVariant(e){switch(e[0]){case c.OpenParen:return[c.CloseParen,")",-1,-1,void 0];case c.CloseParen:return[c.OpenParen,"(",-1,-1,void 0];case c.OpenCurly:return[c
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