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Don't accept '\08' or '\09' in strict mode (#9769)

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Daniel Tschinder 2019-04-01 19:41:50 -07:00 committed by GitHub
parent 123fdfd314
commit c7587c016e
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 5 deletions
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10
packages/babel-parser/src/tokenizer/index.js
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@ -1213,7 +1213,13 @@ export default class Tokenizer extends LocationParser {
octalStr = octalStr.slice(0, -1); octalStr = octalStr.slice(0, -1);
octal = parseInt(octalStr, 8); octal = parseInt(octalStr, 8);
} }
if (octal > 0) { this.state.pos += octalStr.length - 1;
const next = this.input.charCodeAt(this.state.pos);
if (
octalStr !== "0" ||
next === charCodes.digit8 ||
next === charCodes.digit9
) {
if (inTemplate) { if (inTemplate) {
this.state.invalidTemplateEscapePosition = codePos; this.state.invalidTemplateEscapePosition = codePos;
return null; return null;
@ -1226,7 +1232,7 @@ export default class Tokenizer extends LocationParser {
this.state.octalPosition = codePos; this.state.octalPosition = codePos;
} }
} }
this.state.pos += octalStr.length - 1;
return String.fromCharCode(octal); return String.fromCharCode(octal);
} }

3
scripts/tests/test262/test262_whitelist.txt
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@ -409,8 +409,6 @@ language/expressions/object/method-definition/private-name-early-error-gen-insid
language/expressions/object/method-definition/private-name-early-error-gen-inside-class.js(strict mode) language/expressions/object/method-definition/private-name-early-error-gen-inside-class.js(strict mode)
language/expressions/object/method-definition/private-name-early-error-method-inside-class.js(default) language/expressions/object/method-definition/private-name-early-error-method-inside-class.js(default)
language/expressions/object/method-definition/private-name-early-error-method-inside-class.js(strict mode) language/expressions/object/method-definition/private-name-early-error-method-inside-class.js(strict mode)
language/expressions/template-literal/invalid-legacy-octal-escape-sequence.js(default)
language/expressions/template-literal/invalid-legacy-octal-escape-sequence.js(strict mode)
language/expressions/template-literal/unicode-escape-nls-err.js(default) language/expressions/template-literal/unicode-escape-nls-err.js(default)
language/expressions/template-literal/unicode-escape-nls-err.js(strict mode) language/expressions/template-literal/unicode-escape-nls-err.js(strict mode)
language/identifiers/unicode-escape-nls-err.js(default) language/identifiers/unicode-escape-nls-err.js(default)
@ -586,7 +584,6 @@ language/literals/regexp/u-unicode-esc-non-hex.js(default)
language/literals/regexp/u-unicode-esc-non-hex.js(strict mode) language/literals/regexp/u-unicode-esc-non-hex.js(strict mode)
language/literals/regexp/unicode-escape-nls-err.js(default) language/literals/regexp/unicode-escape-nls-err.js(default)
language/literals/regexp/unicode-escape-nls-err.js(strict mode) language/literals/regexp/unicode-escape-nls-err.js(strict mode)
language/literals/string/legacy-non-octal-escape-sequence-strict.js(strict mode)
language/literals/string/unicode-escape-nls-err-double.js(default) language/literals/string/unicode-escape-nls-err-double.js(default)
language/literals/string/unicode-escape-nls-err-double.js(strict mode) language/literals/string/unicode-escape-nls-err-double.js(strict mode)
language/literals/string/unicode-escape-nls-err-single.js(default) language/literals/string/unicode-escape-nls-err-single.js(default)