diff options
Diffstat (limited to 'tools/node_modules/eslint/node_modules/@babel/helper-string-parser/lib/index.js')
| -rw-r--r-- | tools/node_modules/eslint/node_modules/@babel/helper-string-parser/lib/index.js | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/tools/node_modules/eslint/node_modules/@babel/helper-string-parser/lib/index.js b/tools/node_modules/eslint/node_modules/@babel/helper-string-parser/lib/index.js index e4a68bf24e..ebb0aa21b1 100644 --- a/tools/node_modules/eslint/node_modules/@babel/helper-string-parser/lib/index.js +++ b/tools/node_modules/eslint/node_modules/@babel/helper-string-parser/lib/index.js @@ -6,11 +6,9 @@ Object.defineProperty(exports, "__esModule", { exports.readCodePoint = readCodePoint; exports.readInt = readInt; exports.readStringContents = readStringContents; - var _isDigit = function isDigit(code) { return code >= 48 && code <= 57; }; - const forbiddenNumericSeparatorSiblings = { decBinOct: new Set([46, 66, 69, 79, 95, 98, 101, 111]), hex: new Set([46, 88, 95, 120]) @@ -21,7 +19,6 @@ const isAllowedNumericSeparatorSibling = { dec: ch => ch >= 48 && ch <= 57, hex: ch => ch >= 48 && ch <= 57 || ch >= 65 && ch <= 70 || ch >= 97 && ch <= 102 }; - function readStringContents(type, input, pos, lineStart, curLine, errors) { const initialPos = pos; const initialLineStart = lineStart; @@ -32,25 +29,20 @@ function readStringContents(type, input, pos, lineStart, curLine, errors) { const { length } = input; - for (;;) { if (pos >= length) { errors.unterminated(initialPos, initialLineStart, initialCurLine); out += input.slice(chunkStart, pos); break; } - const ch = input.charCodeAt(pos); - if (isStringEnd(type, ch, input, pos)) { out += input.slice(chunkStart, pos); break; } - if (ch === 92) { out += input.slice(chunkStart, pos); const res = readEscapedChar(input, pos, lineStart, curLine, type === "template", errors); - if (res.ch === null && !firstInvalidLoc) { firstInvalidLoc = { pos, @@ -60,7 +52,6 @@ function readStringContents(type, input, pos, lineStart, curLine, errors) { } else { out += res.ch; } - ({ pos, lineStart, @@ -75,11 +66,9 @@ function readStringContents(type, input, pos, lineStart, curLine, errors) { if (type === "template") { out += input.slice(chunkStart, pos) + "\n"; ++pos; - if (ch === 13 && input.charCodeAt(pos) === 10) { ++pos; } - ++curLine; chunkStart = lineStart = pos; } else { @@ -89,7 +78,6 @@ function readStringContents(type, input, pos, lineStart, curLine, errors) { ++pos; } } - return { pos, str: out, @@ -99,35 +87,27 @@ function readStringContents(type, input, pos, lineStart, curLine, errors) { containsInvalid: !!firstInvalidLoc }; } - function isStringEnd(type, ch, input, pos) { if (type === "template") { return ch === 96 || ch === 36 && input.charCodeAt(pos + 1) === 123; } - return ch === (type === "double" ? 34 : 39); } - function readEscapedChar(input, pos, lineStart, curLine, inTemplate, errors) { const throwOnInvalid = !inTemplate; pos++; - const res = ch => ({ pos, ch, lineStart, curLine }); - const ch = input.charCodeAt(pos++); - switch (ch) { case 110: return res("\n"); - case 114: return res("\r"); - case 120: { let code; @@ -137,7 +117,6 @@ function readEscapedChar(input, pos, lineStart, curLine, inTemplate, errors) { } = readHexChar(input, pos, lineStart, curLine, 2, false, throwOnInvalid, errors)); return res(code === null ? null : String.fromCharCode(code)); } - case 117: { let code; @@ -147,32 +126,24 @@ function readEscapedChar(input, pos, lineStart, curLine, inTemplate, errors) { } = readCodePoint(input, pos, lineStart, curLine, throwOnInvalid, errors)); return res(code === null ? null : String.fromCodePoint(code)); } - case 116: return res("\t"); - case 98: return res("\b"); - case 118: return res("\u000b"); - case 102: return res("\f"); - case 13: if (input.charCodeAt(pos) === 10) { ++pos; } - case 10: lineStart = pos; ++curLine; - case 8232: case 8233: return res(""); - case 56: case 57: if (inTemplate) { @@ -180,22 +151,18 @@ function readEscapedChar(input, pos, lineStart, curLine, inTemplate, errors) { } else { errors.strictNumericEscape(pos - 1, lineStart, curLine); } - default: if (ch >= 48 && ch <= 55) { const startPos = pos - 1; const match = input.slice(startPos, pos + 2).match(/^[0-7]+/); let octalStr = match[0]; let octal = parseInt(octalStr, 8); - if (octal > 255) { octalStr = octalStr.slice(0, -1); octal = parseInt(octalStr, 8); } - pos += octalStr.length - 1; const next = input.charCodeAt(pos); - if (octalStr !== "0" || next === 56 || next === 57) { if (inTemplate) { return res(null); @@ -203,14 +170,11 @@ function readEscapedChar(input, pos, lineStart, curLine, inTemplate, errors) { errors.strictNumericEscape(startPos, lineStart, curLine); } } - return res(String.fromCharCode(octal)); } - return res(String.fromCharCode(ch)); } } - function readHexChar(input, pos, lineStart, curLine, len, forceLen, throwOnInvalid, errors) { const initialPos = pos; let n; @@ -218,7 +182,6 @@ function readHexChar(input, pos, lineStart, curLine, len, forceLen, throwOnInval n, pos } = readInt(input, pos, lineStart, curLine, 16, len, forceLen, false, errors, !throwOnInvalid)); - if (n === null) { if (throwOnInvalid) { errors.invalidEscapeSequence(initialPos, lineStart, curLine); @@ -226,28 +189,23 @@ function readHexChar(input, pos, lineStart, curLine, len, forceLen, throwOnInval pos = initialPos - 1; } } - return { code: n, pos }; } - function readInt(input, pos, lineStart, curLine, radix, len, forceLen, allowNumSeparator, errors, bailOnError) { const start = pos; const forbiddenSiblings = radix === 16 ? forbiddenNumericSeparatorSiblings.hex : forbiddenNumericSeparatorSiblings.decBinOct; const isAllowedSibling = radix === 16 ? isAllowedNumericSeparatorSibling.hex : radix === 10 ? isAllowedNumericSeparatorSibling.dec : radix === 8 ? isAllowedNumericSeparatorSibling.oct : isAllowedNumericSeparatorSibling.bin; let invalid = false; let total = 0; - for (let i = 0, e = len == null ? Infinity : len; i < e; ++i) { const code = input.charCodeAt(pos); let val; - if (code === 95 && allowNumSeparator !== "bail") { const prev = input.charCodeAt(pos - 1); const next = input.charCodeAt(pos + 1); - if (!allowNumSeparator) { if (bailOnError) return { n: null, @@ -261,11 +219,9 @@ function readInt(input, pos, lineStart, curLine, radix, len, forceLen, allowNumS }; errors.unexpectedNumericSeparator(pos, lineStart, curLine); } - ++pos; continue; } - if (code >= 97) { val = code - 97 + 10; } else if (code >= 65) { @@ -275,7 +231,6 @@ function readInt(input, pos, lineStart, curLine, radix, len, forceLen, allowNumS } else { val = Infinity; } - if (val >= radix) { if (val <= 9 && bailOnError) { return { @@ -291,28 +246,23 @@ function readInt(input, pos, lineStart, curLine, radix, len, forceLen, allowNumS break; } } - ++pos; total = total * radix + val; } - if (pos === start || len != null && pos - start !== len || invalid) { return { n: null, pos }; } - return { n: total, pos }; } - function readCodePoint(input, pos, lineStart, curLine, throwOnInvalid, errors) { const ch = input.charCodeAt(pos); let code; - if (ch === 123) { ++pos; ({ @@ -320,7 +270,6 @@ function readCodePoint(input, pos, lineStart, curLine, throwOnInvalid, errors) { pos } = readHexChar(input, pos, lineStart, curLine, input.indexOf("}", pos) - pos, true, throwOnInvalid, errors)); ++pos; - if (code !== null && code > 0x10ffff) { if (throwOnInvalid) { errors.invalidCodePoint(pos, lineStart, curLine); @@ -337,7 +286,6 @@ function readCodePoint(input, pos, lineStart, curLine, throwOnInvalid, errors) { pos } = readHexChar(input, pos, lineStart, curLine, 4, false, throwOnInvalid, errors)); } - return { code, pos |