2 lines
26 KiB
JavaScript
2 lines
26 KiB
JavaScript
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"use strict";class ParseError extends Error{sourceStart;sourceEnd;parserState;constructor(e,n,o,t){super(e),this.name="ParseError",this.sourceStart=n,this.sourceEnd=o,this.parserState=t}}class ParseErrorWithToken extends ParseError{token;constructor(e,n,o,t,r){super(e,n,o,t),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;const o=13,t=45,r=10,s=43,i=65533;function checkIfFourCodePointsWouldStartCDO(e){return 60===e.source.codePointAt(e.cursor)&&33===e.source.codePointAt(e.cursor+1)&&e.source.codePointAt(e.cursor+2)===t&&e.source.codePointAt(e.cursor+3)===t}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===t}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===o||12===e}function isWhitespace(e){return 32===e||e===r||9===e||e===o||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)===t?n.source.codePointAt(n.cursor+1)===t||(!!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)===s||e.source.codePointAt(e.cursor)===t?!!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)===t&&e.source.codePointAt(e.cursor+1)===t&&62===e.source.codePointAt(e.cursor+2)}var c,a,u;function consumeComment(n,o){for(o.advanceCodePoint(2);;){const t=o.readCodePoint();if(void 0===t){const t=[exports.TokenType.Comment,o.source.slice(o.representationStart,o.representationEnd+1),o.representationStart,o.representationEnd,void 0];return n.onParseError(new ParseErrorWithToken(e.UnexpectedEOFInComment,o.representationStart,o.representationEnd,["4.3.2. Consume comments","Unexpected EOF"],t)),t}if(42===t&&(void 0!==o.source.codePointAt(o.cursor)&&47===o.source.codePointAt(o.cursor))){o.advanceCodePoint();break}}return[exports.TokenType.Comment,o.source.slice(o.representationStart,o.representati
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