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2 lines
18 KiB
2 lines
18 KiB
2 years ago
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class ParseError extends Error{sourceStart;sourceEnd;parserState;constructor(e,n,r,t){super(e),this.name="ParseError",this.sourceStart=n,this.sourceEnd=r,this.parserState=t}}class Reader{cursor;source="";codePointSource=[];length=0;representationStart=0;representationEnd=-1;constructor(e){this.cursor=0,this.source=e,this.length=e.length,this.codePointSource=new Array(this.length);for(let e=0;e<this.length;e++)this.codePointSource[e]=this.source.charCodeAt(e)}advanceCodePoint(e=1){this.cursor+=e,this.representationEnd=this.cursor-1}readCodePoint(e=1){const n=this.codePointSource[this.cursor];return void 0!==n&&(this.cursor+=e,this.representationEnd=this.cursor-1,n)}unreadCodePoint(e=1){this.cursor-=e,this.representationEnd=this.cursor-1}}var e,n,r;function mirrorVariantType(n){switch(n){case e.OpenParen:return e.CloseParen;case e.CloseParen:return e.OpenParen;case e.OpenCurly:return e.CloseCurly;case e.CloseCurly:return e.OpenCurly;case e.OpenSquare:return e.CloseSquare;case e.CloseSquare:return e.OpenSquare;default:return null}}function mirrorVariant(n){switch(n[0]){case e.OpenParen:return[e.CloseParen,")",-1,-1,void 0];case e.CloseParen:return[e.OpenParen,"(",-1,-1,void 0];case e.OpenCurly:return[e.CloseCurly,"}",-1,-1,void 0];case e.CloseCurly:return[e.OpenCurly,"{",-1,-1,void 0];case e.OpenSquare:return[e.CloseSquare,"]",-1,-1,void 0];case e.CloseSquare:return[e.OpenSquare,"[",-1,-1,void 0];default:return null}}!function(e){e.Comment="comment",e.AtKeyword="at-keyword-token",e.BadString="bad-string-token",e.BadURL="bad-url-token",e.CDC="CDC-token",e.CDO="CDO-token",e.Colon="colon-token",e.Comma="comma-token",e.Delim="delim-token",e.Dimension="dimension-token",e.EOF="EOF-token",e.Function="function-token",e.Hash="hash-token",e.Ident="ident-token",e.Number="number-token",e.Percentage="percentage-token",e.Semicolon="semicolon-token",e.String="string-token",e.URL="url-token",e.Whitespace="whitespace-token",e.OpenParen="(-token",e.CloseParen=")-token",e.OpenSquare="[-token",e.CloseSquare="]-token",e.OpenCurly="{-token",e.CloseCurly="}-token"}(e||(e={})),function(e){e.Integer="integer",e.Number="number"}(n||(n={})),function(e){e.Unrestricted="unrestricted",e.ID="id"}(r||(r={}));const t=Object.values(e);function isToken(e){return!!Array.isArray(e)&&(!(e.length<4)&&(!!t.includes(e[0])&&("string"==typeof e[1]&&("number"==typeof e[2]&&"number"==typeof e[3]))))}function stringify(...e){let n="";for(let r=0;r<e.length;r++)n+=e[r][1];return n}const o=39,i=42,c=8,s=13,a=9,u=58,d=44,p=64,S=127,P=33,C=12,l=46,f=62,E=45,h=31,m=69,v=101,k=123,g=40,I=91,T=60,O=10,w=11,A=95,U=1114111,D=0,L=35,y=37,q=43,R=34,x=65533,N=92,b=125,W=41,F=93,V=59,B=14,H=47,z=32;function checkIfFourCodePointsWouldStartCDO(e,n){return n.codePointSource[n.cursor]===T&&n.codePointSource[n.cursor+1]===P&&n.codePointSource[n.cursor+2]===E&&n.codePointSource[n.cursor+3]===E}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 isDigitCodePoint(e)||e>=97&&e<=102||e>=65&&e<=70}function isLetterCodePoint(e){return isLowercaseLetterCodePoint(e)||isUppercaseLetterCodePoint(e)}function isNonASCIICodePoint(e){return e>=128}function isIdentStartCodePoint(e){return isLetterCodePoint(e)||isNonASCIICodePoint(e)||e===A}function isIdentCodePoint(e){return isIdentStartCodePoint(e)||isDigitCodePoint(e)||e===E}function isNewLine(e){return 10===e||13===e||12===e}function isWhitespace(e){return 32===e||10===e||9===e||13===e||12===e}function checkIfTwoCodePointsAreAValidEscape(e,n){return n.codePointSource[n.cursor]===N&&!isNewLine(n.codePointSource[n.cursor+1])}function checkIfThreeCodePointsWouldStartAnIdentSequence(e,n){return n.codePointSource[n.cursor]===E?n.codePointSource[n.cursor+1]===E||(!!isIdentStartCodePoint(n.codePointSource[n.cursor+1])||n.codePointSource[n.cursor+1]===N&&!isNewLine(n.codePointSource[n.cursor+2])):!!isIdentStartCodePoint(n.codePointSource[n.cursor])||checkIfTwoCodePointsAreAValidEscape(0,n)}function check
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