diff options
Diffstat (limited to 'js')
| -rw-r--r-- | js/src/frontend/Parser.cpp | 261 | ||||
| -rw-r--r-- | js/src/frontend/Parser.h | 13 |
2 files changed, 152 insertions, 122 deletions
diff --git a/js/src/frontend/Parser.cpp b/js/src/frontend/Parser.cpp index a29287850..8ad8813b5 100644 --- a/js/src/frontend/Parser.cpp +++ b/js/src/frontend/Parser.cpp @@ -63,13 +63,13 @@ using BindingIter = ParseContext::Scope::BindingIter; using UsedNamePtr = UsedNameTracker::UsedNameMap::Ptr; /* Read a token. Report an error and return null() if that token isn't of type tt. */ -#define MUST_MATCH_TOKEN_MOD(tt, modifier, errno) \ +#define MUST_MATCH_TOKEN_MOD(tt, modifier, errorNumber) \ JS_BEGIN_MACRO \ TokenKind token; \ if (!tokenStream.getToken(&token, modifier)) \ return null(); \ if (token != tt) { \ - qeport(ParseError, errno); \ + error(errorNumber); \ return null(); \ } \ JS_END_MACRO @@ -595,12 +595,37 @@ Parser<ParseHandler>::reportHelper(ParseReportKind kind, bool strict, uint32_t o } template <typename ParseHandler> +void +Parser<ParseHandler>::error(unsigned errorNumber, ...) +{ + va_list args; + va_start(args, errorNumber); +#ifdef DEBUG + bool result = +#endif + reportHelper(ParseError, false, pos().begin, errorNumber, args); + MOZ_ASSERT(!result, "reporting an error returned true?"); + va_end(args); +} + +template <typename ParseHandler> +bool +Parser<ParseHandler>::warning(unsigned errorNumber, ...) +{ + va_list args; + va_start(args, errorNumber); + bool result = reportHelper(ParseWarning, false, pos().begin, errorNumber, args); + va_end(args); + return result; +} + +template <typename ParseHandler> bool -Parser<ParseHandler>::qeport(ParseReportKind kind, unsigned errorNumber, ...) +Parser<ParseHandler>::extraWarning(unsigned errorNumber, ...) { va_list args; va_start(args, errorNumber); - bool result = reportHelper(kind, false, pos().begin, errorNumber, args); + bool result = reportHelper(ParseExtraWarning, false, pos().begin, errorNumber, args); va_end(args); return result; } @@ -848,7 +873,7 @@ Parser<ParseHandler>::parse() if (!tokenStream.getToken(&tt, TokenStream::Operand)) return null(); if (tt != TOK_EOF) { - qeport(ParseError, JSMSG_GARBAGE_AFTER_INPUT, "script", TokenKindToDesc(tt)); + error(JSMSG_GARBAGE_AFTER_INPUT, "script", TokenKindToDesc(tt)); return null(); } if (foldConstants) { @@ -962,7 +987,7 @@ Parser<ParseHandler>::notePositionalFormalParameter(Node fn, HandlePropertyName { if (AddDeclaredNamePtr p = pc->functionScope().lookupDeclaredNameForAdd(name)) { if (disallowDuplicateParams) { - qeport(ParseError, JSMSG_BAD_DUP_ARGS); + error(JSMSG_BAD_DUP_ARGS); return false; } @@ -1257,7 +1282,7 @@ Parser<ParseHandler>::noteDeclaredName(HandlePropertyName name, DeclarationKind AddDeclaredNamePtr p = pc->functionScope().lookupDeclaredNameForAdd(name); if (p) { - qeport(ParseError, JSMSG_BAD_DUP_ARGS); + error(JSMSG_BAD_DUP_ARGS); return false; } @@ -1464,7 +1489,7 @@ Parser<FullParseHandler>::checkStatementsEOF() if (!tokenStream.peekToken(&tt, TokenStream::Operand)) return false; if (tt != TOK_EOF) { - qeport(ParseError, JSMSG_UNEXPECTED_TOKEN, "expression", TokenKindToDesc(tt)); + error(JSMSG_UNEXPECTED_TOKEN, "expression", TokenKindToDesc(tt)); return false; } return true; @@ -1929,7 +1954,7 @@ Parser<FullParseHandler>::evalBody(EvalSharedContext* evalsc) // script. if (hasUsedName(context->names().arguments)) { if (IsArgumentsUsedInLegacyGenerator(context, pc->sc()->compilationEnclosingScope())) { - qeport(ParseError, JSMSG_BAD_GENEXP_BODY, js_arguments_str); + error(JSMSG_BAD_GENEXP_BODY, js_arguments_str); return nullptr; } } @@ -2027,7 +2052,7 @@ Parser<FullParseHandler>::moduleBody(ModuleSharedContext* modulesc) if (!tokenStream.getToken(&tt, TokenStream::Operand)) return null(); if (tt != TOK_EOF) { - qeport(ParseError, JSMSG_GARBAGE_AFTER_INPUT, "module", TokenKindToDesc(tt)); + error(JSMSG_GARBAGE_AFTER_INPUT, "module", TokenKindToDesc(tt)); return null(); } @@ -2347,7 +2372,7 @@ Parser<FullParseHandler>::standaloneFunction(HandleFunction fun, if (!tokenStream.getToken(&tt, TokenStream::Operand)) return null(); if (tt != TOK_EOF) { - qeport(ParseError, JSMSG_GARBAGE_AFTER_INPUT, "function body", TokenKindToDesc(tt)); + error(JSMSG_GARBAGE_AFTER_INPUT, "function body", TokenKindToDesc(tt)); return null(); } @@ -2752,7 +2777,7 @@ Parser<ParseHandler>::functionArguments(YieldHandling yieldHandling, FunctionSyn if (!tokenStream.getToken(&tt, firstTokenModifier)) return false; if (tt != TOK_LP) { - qeport(ParseError, kind == Arrow ? JSMSG_BAD_ARROW_ARGS : JSMSG_PAREN_BEFORE_FORMAL); + error(kind == Arrow ? JSMSG_BAD_ARROW_ARGS : JSMSG_PAREN_BEFORE_FORMAL); return false; } @@ -2784,13 +2809,13 @@ Parser<ParseHandler>::functionArguments(YieldHandling yieldHandling, FunctionSyn AtomVector& positionalFormals = pc->positionalFormalParameterNames(); if (IsGetterKind(kind)) { - qeport(ParseError, JSMSG_ACCESSOR_WRONG_ARGS, "getter", "no", "s"); + error(JSMSG_ACCESSOR_WRONG_ARGS, "getter", "no", "s"); return false; } while (true) { if (hasRest) { - qeport(ParseError, JSMSG_PARAMETER_AFTER_REST); + error(JSMSG_PARAMETER_AFTER_REST); return false; } @@ -2802,14 +2827,14 @@ Parser<ParseHandler>::functionArguments(YieldHandling yieldHandling, FunctionSyn if (tt == TOK_TRIPLEDOT) { if (IsSetterKind(kind)) { - qeport(ParseError, JSMSG_ACCESSOR_WRONG_ARGS, "setter", "one", ""); + error(JSMSG_ACCESSOR_WRONG_ARGS, "setter", "one", ""); return false; } disallowDuplicateParams = true; if (duplicatedParam) { // Has duplicated args before the rest parameter. - qeport(ParseError, JSMSG_BAD_DUP_ARGS); + error(JSMSG_BAD_DUP_ARGS); return false; } @@ -2820,7 +2845,7 @@ Parser<ParseHandler>::functionArguments(YieldHandling yieldHandling, FunctionSyn return false; if (tt != TOK_NAME && tt != TOK_YIELD && tt != TOK_LB && tt != TOK_LC) { - qeport(ParseError, JSMSG_NO_REST_NAME); + error(JSMSG_NO_REST_NAME); return false; } } @@ -2831,7 +2856,7 @@ Parser<ParseHandler>::functionArguments(YieldHandling yieldHandling, FunctionSyn disallowDuplicateParams = true; if (duplicatedParam) { // Has duplicated args before the destructuring parameter. - qeport(ParseError, JSMSG_BAD_DUP_ARGS); + error(JSMSG_BAD_DUP_ARGS); return false; } @@ -2859,7 +2884,7 @@ Parser<ParseHandler>::functionArguments(YieldHandling yieldHandling, FunctionSyn // case: // // async await => 1 - qeport(ParseError, JSMSG_RESERVED_ID, "await"); + error(JSMSG_RESERVED_ID, "await"); return false; } @@ -2879,12 +2904,12 @@ Parser<ParseHandler>::functionArguments(YieldHandling yieldHandling, FunctionSyn } default: - qeport(ParseError, JSMSG_MISSING_FORMAL); + error(JSMSG_MISSING_FORMAL); return false; } if (positionalFormals.length() >= ARGNO_LIMIT) { - qeport(ParseError, JSMSG_TOO_MANY_FUN_ARGS); + error(JSMSG_TOO_MANY_FUN_ARGS); return false; } @@ -2899,12 +2924,12 @@ Parser<ParseHandler>::functionArguments(YieldHandling yieldHandling, FunctionSyn MOZ_ASSERT(!parenFreeArrow); if (hasRest) { - qeport(ParseError, JSMSG_REST_WITH_DEFAULT); + error(JSMSG_REST_WITH_DEFAULT); return false; } disallowDuplicateParams = true; if (duplicatedParam) { - qeport(ParseError, JSMSG_BAD_DUP_ARGS); + error(JSMSG_BAD_DUP_ARGS); return false; } @@ -2948,11 +2973,11 @@ Parser<ParseHandler>::functionArguments(YieldHandling yieldHandling, FunctionSyn return false; if (tt != TOK_RP) { if (IsSetterKind(kind)) { - qeport(ParseError, JSMSG_ACCESSOR_WRONG_ARGS, "setter", "one", ""); + error(JSMSG_ACCESSOR_WRONG_ARGS, "setter", "one", ""); return false; } - qeport(ParseError, JSMSG_PAREN_AFTER_FORMAL); + error(JSMSG_PAREN_AFTER_FORMAL); return false; } } @@ -2965,7 +2990,7 @@ Parser<ParseHandler>::functionArguments(YieldHandling yieldHandling, FunctionSyn funbox->function()->setArgCount(positionalFormals.length()); } else if (IsSetterKind(kind)) { - qeport(ParseError, JSMSG_ACCESSOR_WRONG_ARGS, "setter", "one", ""); + error(JSMSG_ACCESSOR_WRONG_ARGS, "setter", "one", ""); return false; } @@ -3095,7 +3120,7 @@ Parser<ParseHandler>::addExprAndGetNextTemplStrToken(YieldHandling yieldHandling if (!tokenStream.getToken(&tt)) return false; if (tt != TOK_RC) { - qeport(ParseError, JSMSG_TEMPLSTR_UNTERM_EXPR); + error(JSMSG_TEMPLSTR_UNTERM_EXPR); return false; } @@ -3487,7 +3512,7 @@ Parser<ParseHandler>::functionFormalParametersAndBody(InHandling inHandling, if (!tokenStream.matchToken(&matched, TOK_ARROW)) return false; if (!matched) { - qeport(ParseError, JSMSG_BAD_ARROW_ARGS); + error(JSMSG_BAD_ARROW_ARGS); return false; } } @@ -3495,7 +3520,7 @@ Parser<ParseHandler>::functionFormalParametersAndBody(InHandling inHandling, // When parsing something for new Function() we have to make sure to // only treat a certain part of the source as a parameter list. if (parameterListEnd.isSome() && parameterListEnd.value() != pos().begin) { - qeport(ParseError, JSMSG_UNEXPECTED_PARAMLIST_END); + error(JSMSG_UNEXPECTED_PARAMLIST_END); return false; } @@ -3508,7 +3533,7 @@ Parser<ParseHandler>::functionFormalParametersAndBody(InHandling inHandling, if ((funbox->isStarGenerator() && !funbox->isAsync()) || kind == Method || kind == GetterNoExpressionClosure || kind == SetterNoExpressionClosure || IsConstructorKind(kind)) { - qeport(ParseError, JSMSG_CURLY_BEFORE_BODY); + error(JSMSG_CURLY_BEFORE_BODY); return false; } @@ -3517,7 +3542,7 @@ Parser<ParseHandler>::functionFormalParametersAndBody(InHandling inHandling, if (!warnOnceAboutExprClosure()) return false; #else - qeport(ParseError, JSMSG_CURLY_BEFORE_BODY); + error(JSMSG_CURLY_BEFORE_BODY); return false; #endif } @@ -3550,7 +3575,7 @@ Parser<ParseHandler>::functionFormalParametersAndBody(InHandling inHandling, if (!tokenStream.matchToken(&matched, TOK_RC, TokenStream::Operand)) return false; if (!matched) { - qeport(ParseError, JSMSG_CURLY_AFTER_BODY); + error(JSMSG_CURLY_AFTER_BODY); return false; } funbox->bufEnd = pos().end; @@ -3608,7 +3633,7 @@ Parser<ParseHandler>::functionStmt(uint32_t preludeStart, YieldHandling yieldHan if (tt == TOK_MUL) { if (asyncKind != SyncFunction) { - qeport(ParseError, JSMSG_ASYNC_GENERATOR); + error(JSMSG_ASYNC_GENERATOR); return null(); } generatorKind = StarGenerator; @@ -3625,7 +3650,7 @@ Parser<ParseHandler>::functionStmt(uint32_t preludeStart, YieldHandling yieldHan tokenStream.ungetToken(); } else { /* Unnamed function expressions are forbidden in statement context. */ - qeport(ParseError, JSMSG_UNNAMED_FUNCTION_STMT); + error(JSMSG_UNNAMED_FUNCTION_STMT); return null(); } @@ -3661,7 +3686,7 @@ Parser<ParseHandler>::functionExpr(uint32_t preludeStart, InvokedPrediction invo if (tt == TOK_MUL) { if (asyncKind != SyncFunction) { - qeport(ParseError, JSMSG_ASYNC_GENERATOR); + error(JSMSG_ASYNC_GENERATOR); return null(); } generatorKind = StarGenerator; @@ -3834,7 +3859,7 @@ Parser<ParseHandler>::maybeParseDirective(Node list, Node pn, bool* cont) // occur in the directive prologue -- octal escapes -- and // complain now. if (tokenStream.sawOctalEscape()) { - qeport(ParseError, JSMSG_DEPRECATED_OCTAL); + error(JSMSG_DEPRECATED_OCTAL); return false; } pc->sc()->strictScript = true; @@ -3921,7 +3946,7 @@ Parser<ParseHandler>::condition(InHandling inHandling, YieldHandling yieldHandli /* Check for (a = b) and warn about possible (a == b) mistype. */ if (handler.isUnparenthesizedAssignment(pn)) { - if (!qeport(ParseExtraWarning, JSMSG_EQUAL_AS_ASSIGN)) + if (!extraWarning(JSMSG_EQUAL_AS_ASSIGN)) return null(); } return pn; @@ -4503,7 +4528,7 @@ Parser<ParseHandler>::declarationName(Node decl, DeclarationKind declKind, Token { // Anything other than TOK_YIELD or TOK_NAME is an error. if (tt != TOK_NAME && tt != TOK_YIELD) { - qeport(ParseError, JSMSG_NO_VARIABLE_NAME); + error(JSMSG_NO_VARIABLE_NAME); return null(); } @@ -4703,7 +4728,7 @@ Parser<FullParseHandler>::namedImportsOrNamespaceImport(TokenKind tt, Node impor return false; if (afterAs != TOK_NAME && afterAs != TOK_YIELD) { - qeport(ParseError, JSMSG_NO_BINDING_NAME); + error(JSMSG_NO_BINDING_NAME); return false; } } else { @@ -4715,7 +4740,7 @@ Parser<FullParseHandler>::namedImportsOrNamespaceImport(TokenKind tt, Node impor JSAutoByteString bytes; if (!AtomToPrintableString(context, importName, &bytes)) return false; - qeport(ParseError, JSMSG_AS_AFTER_RESERVED_WORD, bytes.ptr()); + error(JSMSG_AS_AFTER_RESERVED_WORD, bytes.ptr()); return false; } } @@ -4812,7 +4837,7 @@ Parser<FullParseHandler>::importDeclaration() MOZ_ASSERT(tokenStream.currentToken().type == TOK_IMPORT); if (!pc->atModuleLevel()) { - qeport(ParseError, JSMSG_IMPORT_DECL_AT_TOP_LEVEL); + error(JSMSG_IMPORT_DECL_AT_TOP_LEVEL); return null(); } @@ -4861,7 +4886,7 @@ Parser<FullParseHandler>::importDeclaration() return null(); if (tt != TOK_LC && tt != TOK_MUL) { - qeport(ParseError, JSMSG_NAMED_IMPORTS_OR_NAMESPACE_IMPORT); + error(JSMSG_NAMED_IMPORTS_OR_NAMESPACE_IMPORT); return null(); } @@ -4877,7 +4902,7 @@ Parser<FullParseHandler>::importDeclaration() return null(); if (tt != TOK_NAME || tokenStream.currentName() != context->names().from) { - qeport(ParseError, JSMSG_FROM_AFTER_IMPORT_CLAUSE); + error(JSMSG_FROM_AFTER_IMPORT_CLAUSE); return null(); } @@ -4890,7 +4915,7 @@ Parser<FullParseHandler>::importDeclaration() // equivalent to |import {} from 'a'|. importSpecSet->pn_pos.end = importSpecSet->pn_pos.begin; } else { - qeport(ParseError, JSMSG_DECLARATION_AFTER_IMPORT); + error(JSMSG_DECLARATION_AFTER_IMPORT); return null(); } @@ -4928,7 +4953,7 @@ Parser<FullParseHandler>::checkExportedName(JSAtom* exportName) if (!AtomToPrintableString(context, exportName, &str)) return false; - qeport(ParseError, JSMSG_DUPLICATE_EXPORT_NAME, str.ptr()); + error(JSMSG_DUPLICATE_EXPORT_NAME, str.ptr()); return false; } @@ -4971,7 +4996,7 @@ Parser<FullParseHandler>::exportDeclaration() MOZ_ASSERT(tokenStream.currentToken().type == TOK_EXPORT); if (!pc->atModuleLevel()) { - qeport(ParseError, JSMSG_EXPORT_DECL_AT_TOP_LEVEL); + error(JSMSG_EXPORT_DECL_AT_TOP_LEVEL); return null(); } @@ -5090,7 +5115,7 @@ Parser<FullParseHandler>::exportDeclaration() if (!tokenStream.getToken(&tt)) return null(); if (tt != TOK_NAME || tokenStream.currentName() != context->names().from) { - qeport(ParseError, JSMSG_FROM_AFTER_EXPORT_STAR); + error(JSMSG_FROM_AFTER_EXPORT_STAR); return null(); } @@ -5226,7 +5251,7 @@ Parser<FullParseHandler>::exportDeclaration() MOZ_FALLTHROUGH; default: - qeport(ParseError, JSMSG_DECLARATION_AFTER_EXPORT); + error(JSMSG_DECLARATION_AFTER_EXPORT); return null(); } @@ -5302,7 +5327,7 @@ Parser<ParseHandler>::ifStatement(YieldHandling yieldHandling) if (!tokenStream.peekToken(&tt, TokenStream::Operand)) return null(); if (tt == TOK_SEMI) { - if (!qeport(ParseExtraWarning, JSMSG_EMPTY_CONSEQUENT)) + if (!extraWarning(JSMSG_EMPTY_CONSEQUENT)) return null(); } @@ -5776,7 +5801,7 @@ Parser<ParseHandler>::switchStatement(YieldHandling yieldHandling) switch (tt) { case TOK_DEFAULT: if (seenDefault) { - qeport(ParseError, JSMSG_TOO_MANY_DEFAULTS); + error(JSMSG_TOO_MANY_DEFAULTS); return null(); } seenDefault = true; @@ -5790,7 +5815,7 @@ Parser<ParseHandler>::switchStatement(YieldHandling yieldHandling) break; default: - qeport(ParseError, JSMSG_BAD_SWITCH); + error(JSMSG_BAD_SWITCH); return null(); } @@ -5873,7 +5898,7 @@ Parser<ParseHandler>::continueStatement(YieldHandling yieldHandling) stmt = ParseContext::Statement::findNearest(stmt, isLoop); if (!stmt) { if (foundLoop) - qeport(ParseError, JSMSG_LABEL_NOT_FOUND); + error(JSMSG_LABEL_NOT_FOUND); else reportWithOffset(ParseError, false, begin, JSMSG_BAD_CONTINUE); return null(); @@ -5895,7 +5920,7 @@ Parser<ParseHandler>::continueStatement(YieldHandling yieldHandling) break; } } else if (!pc->findInnermostStatement(isLoop)) { - qeport(ParseError, JSMSG_BAD_CONTINUE); + error(JSMSG_BAD_CONTINUE); return null(); } @@ -5925,7 +5950,7 @@ Parser<ParseHandler>::breakStatement(YieldHandling yieldHandling) }; if (!pc->findInnermostStatement<ParseContext::LabelStatement>(hasSameLabel)) { - qeport(ParseError, JSMSG_LABEL_NOT_FOUND); + error(JSMSG_LABEL_NOT_FOUND); return null(); } } else { @@ -6084,7 +6109,7 @@ Parser<ParseHandler>::yieldExpression(InHandling inHandling) return null(); if (!pc->isFunctionBox()) { - qeport(ParseError, JSMSG_BAD_RETURN_OR_YIELD, js_yield_str); + error(JSMSG_BAD_RETURN_OR_YIELD, js_yield_str); return null(); } @@ -6210,7 +6235,7 @@ Parser<ParseHandler>::labeledItem(YieldHandling yieldHandling) // GeneratorDeclaration is only matched by HoistableDeclaration in // StatementListItem, so generators can't be inside labels. if (next == TOK_MUL) { - qeport(ParseError, JSMSG_GENERATOR_LABEL); + error(JSMSG_GENERATOR_LABEL); return null(); } @@ -6218,7 +6243,7 @@ Parser<ParseHandler>::labeledItem(YieldHandling yieldHandling) // is ever matched. Per Annex B.3.2 that modifies this text, this // applies only to strict mode code. if (pc->sc()->strict()) { - qeport(ParseError, JSMSG_FUNCTION_LABEL); + error(JSMSG_FUNCTION_LABEL); return null(); } @@ -6271,11 +6296,11 @@ Parser<ParseHandler>::throwStatement(YieldHandling yieldHandling) if (!tokenStream.peekTokenSameLine(&tt, TokenStream::Operand)) return null(); if (tt == TOK_EOF || tt == TOK_SEMI || tt == TOK_RC) { - qeport(ParseError, JSMSG_MISSING_EXPR_AFTER_THROW); + error(JSMSG_MISSING_EXPR_AFTER_THROW); return null(); } if (tt == TOK_EOL) { - qeport(ParseError, JSMSG_LINE_BREAK_AFTER_THROW); + error(JSMSG_LINE_BREAK_AFTER_THROW); return null(); } @@ -6349,7 +6374,7 @@ Parser<ParseHandler>::tryStatement(YieldHandling yieldHandling) /* Check for another catch after unconditional catch. */ if (hasUnconditionalCatch) { - qeport(ParseError, JSMSG_CATCH_AFTER_GENERAL); + error(JSMSG_CATCH_AFTER_GENERAL); return null(); } @@ -6397,7 +6422,7 @@ Parser<ParseHandler>::tryStatement(YieldHandling yieldHandling) } default: - qeport(ParseError, JSMSG_CATCH_IDENTIFIER); + error(JSMSG_CATCH_IDENTIFIER); return null(); } @@ -6465,7 +6490,7 @@ Parser<ParseHandler>::tryStatement(YieldHandling yieldHandling) tokenStream.ungetToken(); } if (!catchList && !finallyBlock) { - qeport(ParseError, JSMSG_CATCH_OR_FINALLY); + error(JSMSG_CATCH_OR_FINALLY); return null(); } @@ -6610,7 +6635,7 @@ Parser<ParseHandler>::classDefinition(YieldHandling yieldHandling, tokenStream.ungetToken(); } else { // Class statements must have a bound name - qeport(ParseError, JSMSG_UNNAMED_CLASS_STMT); + error(JSMSG_UNNAMED_CLASS_STMT); return null(); } } else { @@ -6671,7 +6696,7 @@ Parser<ParseHandler>::classDefinition(YieldHandling yieldHandling, return null(); if (tt == TOK_RC) { tokenStream.consumeKnownToken(tt, TokenStream::KeywordIsName); - qeport(ParseError, JSMSG_UNEXPECTED_TOKEN, "property name", TokenKindToDesc(tt)); + error(JSMSG_UNEXPECTED_TOKEN, "property name", TokenKindToDesc(tt)); return null(); } @@ -6702,7 +6727,7 @@ Parser<ParseHandler>::classDefinition(YieldHandling yieldHandling, propType != PropertyType::AsyncMethod && propType != PropertyType::Constructor && propType != PropertyType::DerivedConstructor) { - qeport(ParseError, JSMSG_BAD_METHOD_DEF); + error(JSMSG_BAD_METHOD_DEF); return null(); } @@ -6949,7 +6974,7 @@ Parser<ParseHandler>::statement(YieldHandling yieldHandling) } if (forbiddenLetDeclaration) { - qeport(ParseError, JSMSG_FORBIDDEN_AS_STATEMENT, "lexical declarations"); + error(JSMSG_FORBIDDEN_AS_STATEMENT, "lexical declarations"); return null(); } } @@ -7003,7 +7028,7 @@ Parser<ParseHandler>::statement(YieldHandling yieldHandling) // detected this way, so don't bother passing around an extra parameter // everywhere. if (!pc->isFunctionBox()) { - qeport(ParseError, JSMSG_BAD_RETURN_OR_YIELD, js_return_str); + error(JSMSG_BAD_RETURN_OR_YIELD, js_return_str); return null(); } return returnStatement(yieldHandling); @@ -7031,12 +7056,12 @@ Parser<ParseHandler>::statement(YieldHandling yieldHandling) // statement of |if| or |else|, but Parser::consequentOrAlternative // handles that). case TOK_FUNCTION: - qeport(ParseError, JSMSG_FORBIDDEN_AS_STATEMENT, "function declarations"); + error(JSMSG_FORBIDDEN_AS_STATEMENT, "function declarations"); return null(); // |class| is also forbidden by lookahead restriction. case TOK_CLASS: - qeport(ParseError, JSMSG_FORBIDDEN_AS_STATEMENT, "classes"); + error(JSMSG_FORBIDDEN_AS_STATEMENT, "classes"); return null(); // ImportDeclaration (only inside modules) @@ -7050,11 +7075,11 @@ Parser<ParseHandler>::statement(YieldHandling yieldHandling) // Miscellaneous error cases arguably better caught here than elsewhere. case TOK_CATCH: - qeport(ParseError, JSMSG_CATCH_WITHOUT_TRY); + error(JSMSG_CATCH_WITHOUT_TRY); return null(); case TOK_FINALLY: - qeport(ParseError, JSMSG_FINALLY_WITHOUT_TRY); + error(JSMSG_FINALLY_WITHOUT_TRY); return null(); // NOTE: default case handled in the ExpressionStatement section. @@ -7095,7 +7120,7 @@ Parser<ParseHandler>::statementListItem(YieldHandling yieldHandling, if (!canHaveDirectives && tokenStream.currentToken().atom() == context->names().useAsm) { if (!abortIfSyntaxParser()) return null(); - if (!qeport(ParseWarning, JSMSG_USE_ASM_DIRECTIVE_FAIL)) + if (!warning(JSMSG_USE_ASM_DIRECTIVE_FAIL)) return null(); } return expressionStatement(yieldHandling); @@ -7189,7 +7214,7 @@ Parser<ParseHandler>::statementListItem(YieldHandling yieldHandling, // detected this way, so don't bother passing around an extra parameter // everywhere. if (!pc->isFunctionBox()) { - qeport(ParseError, JSMSG_BAD_RETURN_OR_YIELD, js_return_str); + error(JSMSG_BAD_RETURN_OR_YIELD, js_return_str); return null(); } return returnStatement(yieldHandling); @@ -7241,11 +7266,11 @@ Parser<ParseHandler>::statementListItem(YieldHandling yieldHandling, // Miscellaneous error cases arguably better caught here than elsewhere. case TOK_CATCH: - qeport(ParseError, JSMSG_CATCH_WITHOUT_TRY); + error(JSMSG_CATCH_WITHOUT_TRY); return null(); case TOK_FINALLY: - qeport(ParseError, JSMSG_FINALLY_WITHOUT_TRY); + error(JSMSG_FINALLY_WITHOUT_TRY); return null(); // NOTE: default case handled in the ExpressionStatement section. @@ -7290,8 +7315,7 @@ Parser<ParseHandler>::expr(InHandling inHandling, YieldHandling yieldHandling, if (!tokenStream.peekToken(&tt)) return null(); if (tt != TOK_ARROW) { - qeport(ParseError, JSMSG_UNEXPECTED_TOKEN, - "expression", TokenKindToDesc(TOK_RP)); + error(JSMSG_UNEXPECTED_TOKEN, "expression", TokenKindToDesc(TOK_RP)); return null(); } @@ -7448,7 +7472,7 @@ Parser<ParseHandler>::orExpr1(InHandling inHandling, YieldHandling yieldHandling return null(); // Report an error for unary expressions on the LHS of **. if (tok == TOK_POW && handler.isUnparenthesizedUnaryExpression(pn)) { - qeport(ParseError, JSMSG_BAD_POW_LEFTSIDE); + error(JSMSG_BAD_POW_LEFTSIDE); return null(); } pnk = BinaryOpTokenKindToParseNodeKind(tok); @@ -7529,7 +7553,7 @@ Parser<ParseHandler>::checkAndMarkAsAssignmentLhs(Node target, AssignmentFlavor if (handler.isUnparenthesizedDestructuringPattern(target)) { if (flavor == CompoundAssignment) { - qeport(ParseError, JSMSG_BAD_DESTRUCT_ASS); + error(JSMSG_BAD_DESTRUCT_ASS); return false; } @@ -7668,8 +7692,7 @@ Parser<ParseHandler>::assignExpr(InHandling inHandling, YieldHandling yieldHandl if (!tokenStream.getToken(&tt)) return null(); if (tt != TOK_ARROW) { - qeport(ParseError, JSMSG_UNEXPECTED_TOKEN, - "'=>' after argument list", TokenKindToDesc(tt)); + error(JSMSG_UNEXPECTED_TOKEN, "'=>' after argument list", TokenKindToDesc(tt)); return null(); } @@ -7707,7 +7730,7 @@ Parser<ParseHandler>::assignExpr(InHandling inHandling, YieldHandling yieldHandl MOZ_ASSERT(next == TOK_ARROW || next == TOK_EOL); if (next != TOK_ARROW) { - qeport(ParseError, JSMSG_LINE_BREAK_BEFORE_ARROW); + error(JSMSG_LINE_BREAK_BEFORE_ARROW); return null(); } tokenStream.consumeKnownToken(TOK_ARROW); @@ -8027,7 +8050,7 @@ Parser<ParseHandler>::unaryExpr(YieldHandling yieldHandling, TripledotHandling t if (!pc->isAsync()) { // TOK_AWAIT can be returned in module, even if it's not inside // async function. - qeport(ParseError, JSMSG_RESERVED_ID, "await"); + error(JSMSG_RESERVED_ID, "await"); return null(); } @@ -8180,7 +8203,7 @@ Parser<ParseHandler>::comprehensionFor(GeneratorKind comprehensionKind) MUST_MATCH_TOKEN(TOK_NAME, JSMSG_NO_VARIABLE_NAME); RootedPropertyName name(context, tokenStream.currentName()); if (name == context->names().let) { - qeport(ParseError, JSMSG_LET_COMP_BINDING); + error(JSMSG_LET_COMP_BINDING); return null(); } TokenPos namePos = pos(); @@ -8191,7 +8214,7 @@ Parser<ParseHandler>::comprehensionFor(GeneratorKind comprehensionKind) if (!tokenStream.matchContextualKeyword(&matched, context->names().of)) return null(); if (!matched) { - qeport(ParseError, JSMSG_OF_AFTER_FOR_NAME); + error(JSMSG_OF_AFTER_FOR_NAME); return null(); } @@ -8252,7 +8275,7 @@ Parser<ParseHandler>::comprehensionIf(GeneratorKind comprehensionKind) /* Check for (a = b) and warn about possible (a == b) mistype. */ if (handler.isUnparenthesizedAssignment(cond)) { - if (!qeport(ParseExtraWarning, JSMSG_EQUAL_AS_ASSIGN)) + if (!extraWarning(JSMSG_EQUAL_AS_ASSIGN)) return null(); } @@ -8529,14 +8552,14 @@ Parser<ParseHandler>::memberExpr(YieldHandling yieldHandling, TripledotHandling if (tt == TOK_NAME) { PropertyName* field = tokenStream.currentName(); if (handler.isSuperBase(lhs) && !checkAndMarkSuperScope()) { - qeport(ParseError, JSMSG_BAD_SUPERPROP, "property"); + error(JSMSG_BAD_SUPERPROP, "property"); return null(); } nextMember = handler.newPropertyAccess(lhs, field, pos().end); if (!nextMember) return null(); } else { - qeport(ParseError, JSMSG_NAME_AFTER_DOT); + error(JSMSG_NAME_AFTER_DOT); return null(); } } else if (tt == TOK_LB) { @@ -8547,7 +8570,7 @@ Parser<ParseHandler>::memberExpr(YieldHandling yieldHandling, TripledotHandling MUST_MATCH_TOKEN(TOK_RB, JSMSG_BRACKET_IN_INDEX); if (handler.isSuperBase(lhs) && !checkAndMarkSuperScope()) { - qeport(ParseError, JSMSG_BAD_SUPERPROP, "member"); + error(JSMSG_BAD_SUPERPROP, "member"); return null(); } nextMember = handler.newPropertyByValue(lhs, propExpr, pos().end); @@ -8559,12 +8582,12 @@ Parser<ParseHandler>::memberExpr(YieldHandling yieldHandling, TripledotHandling { if (handler.isSuperBase(lhs)) { if (!pc->sc()->allowSuperCall()) { - qeport(ParseError, JSMSG_BAD_SUPERCALL); + error(JSMSG_BAD_SUPERCALL); return null(); } if (tt != TOK_LP) { - qeport(ParseError, JSMSG_BAD_SUPER); + error(JSMSG_BAD_SUPER); return null(); } @@ -8591,7 +8614,7 @@ Parser<ParseHandler>::memberExpr(YieldHandling yieldHandling, TripledotHandling return null(); } else { if (options().selfHostingMode && handler.isPropertyAccess(lhs)) { - qeport(ParseError, JSMSG_SELFHOSTED_METHOD_CALL); + error(JSMSG_SELFHOSTED_METHOD_CALL); return null(); } @@ -8673,7 +8696,7 @@ Parser<ParseHandler>::memberExpr(YieldHandling yieldHandling, TripledotHandling } if (handler.isSuperBase(lhs)) { - qeport(ParseError, JSMSG_BAD_SUPER); + error(JSMSG_BAD_SUPER); return null(); } @@ -8726,7 +8749,7 @@ Parser<ParseHandler>::labelOrIdentifierReference(YieldHandling yieldHandling, ? "static" : nullptr; if (badName) { - qeport(ParseError, JSMSG_RESERVED_ID, badName); + error(JSMSG_RESERVED_ID, badName); return nullptr; } } @@ -8735,7 +8758,7 @@ Parser<ParseHandler>::labelOrIdentifierReference(YieldHandling yieldHandling, pc->sc()->strict() || versionNumber() >= JSVERSION_1_7) { - qeport(ParseError, JSMSG_RESERVED_ID, "yield"); + error(JSMSG_RESERVED_ID, "yield"); return nullptr; } } @@ -8771,7 +8794,7 @@ Parser<ParseHandler>::bindingIdentifier(YieldHandling yieldHandling) ? "eval" : nullptr; if (badName) { - qeport(ParseError, JSMSG_BAD_STRICT_ASSIGN, badName); + error(JSMSG_BAD_STRICT_ASSIGN, badName); return nullptr; } @@ -8781,7 +8804,7 @@ Parser<ParseHandler>::bindingIdentifier(YieldHandling yieldHandling) ? "static" : nullptr; if (badName) { - qeport(ParseError, JSMSG_RESERVED_ID, badName); + error(JSMSG_RESERVED_ID, badName); return nullptr; } } @@ -8790,7 +8813,7 @@ Parser<ParseHandler>::bindingIdentifier(YieldHandling yieldHandling) pc->sc()->strict() || versionNumber() >= JSVERSION_1_7) { - qeport(ParseError, JSMSG_RESERVED_ID, "yield"); + error(JSMSG_RESERVED_ID, "yield"); return nullptr; } } @@ -8889,7 +8912,7 @@ Parser<ParseHandler>::arrayInitializer(YieldHandling yieldHandling, PossibleErro TokenStream::Modifier modifier = TokenStream::Operand; for (; ; index++) { if (index >= NativeObject::MAX_DENSE_ELEMENTS_COUNT) { - qeport(ParseError, JSMSG_ARRAY_INIT_TOO_BIG); + error(JSMSG_ARRAY_INIT_TOO_BIG); return null(); } @@ -8999,7 +9022,7 @@ Parser<ParseHandler>::propertyName(YieldHandling yieldHandling, Node propList, } if (isAsync && isGenerator) { - qeport(ParseError, JSMSG_ASYNC_GENERATOR); + error(JSMSG_ASYNC_GENERATOR); return null(); } @@ -9112,7 +9135,7 @@ Parser<ParseHandler>::propertyName(YieldHandling yieldHandling, Node propList, } default: - qeport(ParseError, JSMSG_BAD_PROP_ID); + error(JSMSG_BAD_PROP_ID); return null(); } @@ -9122,7 +9145,7 @@ Parser<ParseHandler>::propertyName(YieldHandling yieldHandling, Node propList, if (tt == TOK_COLON) { if (isGenerator) { - qeport(ParseError, JSMSG_BAD_PROP_ID); + error(JSMSG_BAD_PROP_ID); return null(); } *propType = PropertyType::Normal; @@ -9131,7 +9154,7 @@ Parser<ParseHandler>::propertyName(YieldHandling yieldHandling, Node propList, if (ltok == TOK_NAME && (tt == TOK_COMMA || tt == TOK_RC || tt == TOK_ASSIGN)) { if (isGenerator) { - qeport(ParseError, JSMSG_BAD_PROP_ID); + error(JSMSG_BAD_PROP_ID); return null(); } tokenStream.ungetToken(); @@ -9152,7 +9175,7 @@ Parser<ParseHandler>::propertyName(YieldHandling yieldHandling, Node propList, return propName; } - qeport(ParseError, JSMSG_COLON_AFTER_ID); + error(JSMSG_COLON_AFTER_ID); return null(); } @@ -9263,7 +9286,7 @@ Parser<ParseHandler>::objectLiteral(YieldHandling yieldHandling, PossibleError* return null(); if (propToken != TOK_NAME && propToken != TOK_YIELD) { - qeport(ParseError, JSMSG_RESERVED_ID, TokenKindToDesc(propToken)); + error(JSMSG_RESERVED_ID, TokenKindToDesc(propToken)); return null(); } @@ -9288,7 +9311,7 @@ Parser<ParseHandler>::objectLiteral(YieldHandling yieldHandling, PossibleError* return null(); if (propToken != TOK_NAME && propToken != TOK_YIELD) { - qeport(ParseError, JSMSG_RESERVED_ID, TokenKindToDesc(propToken)); + error(JSMSG_RESERVED_ID, TokenKindToDesc(propToken)); return null(); } @@ -9312,7 +9335,7 @@ Parser<ParseHandler>::objectLiteral(YieldHandling yieldHandling, PossibleError* // Destructuring defaults are definitely not allowed in this object literal, // because of something the caller knows about the preceding code. // For example, maybe the preceding token is an operator: `x + {y=z}`. - qeport(ParseError, JSMSG_COLON_AFTER_ID); + error(JSMSG_COLON_AFTER_ID); return null(); } @@ -9371,7 +9394,7 @@ Parser<ParseHandler>::objectLiteral(YieldHandling yieldHandling, PossibleError* if (tt == TOK_RC) break; if (tt != TOK_COMMA) { - qeport(ParseError, JSMSG_CURLY_AFTER_LIST); + error(JSMSG_CURLY_AFTER_LIST); return null(); } } @@ -9420,7 +9443,7 @@ Parser<ParseHandler>::tryNewTarget(Node &newTarget) if (!tokenStream.getToken(&next)) return false; if (next != TOK_NAME || tokenStream.currentName() != context->names().target) { - qeport(ParseError, JSMSG_UNEXPECTED_TOKEN, "target", TokenKindToDesc(next)); + error(JSMSG_UNEXPECTED_TOKEN, "target", TokenKindToDesc(next)); return false; } @@ -9475,8 +9498,7 @@ Parser<ParseHandler>::primaryExpr(YieldHandling yieldHandling, TripledotHandling if (!tokenStream.peekToken(&next)) return null(); if (next != TOK_ARROW) { - qeport(ParseError, JSMSG_UNEXPECTED_TOKEN, - "expression", TokenKindToDesc(TOK_RP)); + error(JSMSG_UNEXPECTED_TOKEN, "expression", TokenKindToDesc(TOK_RP)); return null(); } @@ -9563,7 +9585,7 @@ Parser<ParseHandler>::primaryExpr(YieldHandling yieldHandling, TripledotHandling // name, closing parenthesis, and arrow, and allow it only if all are // present. if (tripledotHandling != TripledotAllowed) { - qeport(ParseError, JSMSG_UNEXPECTED_TOKEN, "expression", TokenKindToDesc(tt)); + error(JSMSG_UNEXPECTED_TOKEN, "expression", TokenKindToDesc(tt)); return null(); } @@ -9585,8 +9607,7 @@ Parser<ParseHandler>::primaryExpr(YieldHandling yieldHandling, TripledotHandling // or "arguments" should be prohibited. Argument-parsing code // handles that. if (next != TOK_NAME && next != TOK_YIELD) { - qeport(ParseError, JSMSG_UNEXPECTED_TOKEN, - "rest argument name", TokenKindToDesc(next)); + error(JSMSG_UNEXPECTED_TOKEN, "rest argument name", TokenKindToDesc(next)); return null(); } } @@ -9594,8 +9615,7 @@ Parser<ParseHandler>::primaryExpr(YieldHandling yieldHandling, TripledotHandling if (!tokenStream.getToken(&next)) return null(); if (next != TOK_RP) { - qeport(ParseError, JSMSG_UNEXPECTED_TOKEN, - "closing parenthesis", TokenKindToDesc(next)); + error(JSMSG_UNEXPECTED_TOKEN, "closing parenthesis", TokenKindToDesc(next)); return null(); } @@ -9604,8 +9624,7 @@ Parser<ParseHandler>::primaryExpr(YieldHandling yieldHandling, TripledotHandling if (next != TOK_ARROW) { // Advance the scanner for proper error location reporting. tokenStream.consumeKnownToken(next); - qeport(ParseError, JSMSG_UNEXPECTED_TOKEN, - "'=>' after argument list", TokenKindToDesc(next)); + error(JSMSG_UNEXPECTED_TOKEN, "'=>' after argument list", TokenKindToDesc(next)); return null(); } @@ -9616,7 +9635,7 @@ Parser<ParseHandler>::primaryExpr(YieldHandling yieldHandling, TripledotHandling } default: - qeport(ParseError, JSMSG_UNEXPECTED_TOKEN, "expression", TokenKindToDesc(tt)); + error(JSMSG_UNEXPECTED_TOKEN, "expression", TokenKindToDesc(tt)); return null(); } } @@ -9641,7 +9660,7 @@ Parser<ParseHandler>::warnOnceAboutExprClosure() return true; if (!cx->compartment()->warnedAboutExprClosure) { - if (!qeport(ParseWarning, JSMSG_DEPRECATED_EXPR_CLOSURE)) + if (!warning(JSMSG_DEPRECATED_EXPR_CLOSURE)) return false; cx->compartment()->warnedAboutExprClosure = true; } @@ -9659,7 +9678,7 @@ Parser<ParseHandler>::warnOnceAboutForEach() if (!cx->compartment()->warnedAboutForEach) { // Disabled warning spew. - // if (!qeport(ParseWarning, JSMSG_DEPRECATED_FOR_EACH)) + // if (!warning(JSMSG_DEPRECATED_FOR_EACH)) // return false; cx->compartment()->warnedAboutForEach = true; } diff --git a/js/src/frontend/Parser.h b/js/src/frontend/Parser.h index 402b977ba..feead0e63 100644 --- a/js/src/frontend/Parser.h +++ b/js/src/frontend/Parser.h @@ -907,12 +907,14 @@ class Parser final : private JS::AutoGCRooter, public StrictModeGetter bool reportHelper(ParseReportKind kind, bool strict, uint32_t offset, unsigned errorNumber, va_list args); public: - bool qeport(ParseReportKind kind, unsigned errorNumber, ...); bool reportWithNode(ParseReportKind kind, bool strict, Node pn, unsigned errorNumber, ...); bool reportNoOffset(ParseReportKind kind, bool strict, unsigned errorNumber, ...); bool reportWithOffset(ParseReportKind kind, bool strict, uint32_t offset, unsigned errorNumber, ...); + /* Report the given error at the current offset. */ + void error(unsigned errorNumber, ...); + /* * Handle a strict mode error at the current offset. Report an error if in * strict mode code, or warn if not, using the given error number and @@ -920,6 +922,15 @@ class Parser final : private JS::AutoGCRooter, public StrictModeGetter */ MOZ_MUST_USE bool strictModeError(unsigned errorNumber, ...); + /* Report the given warning at the current offset. */ + MOZ_MUST_USE bool warning(unsigned errorNumber, ...); + + /* + * If extra warnings are enabled, report the given warning at the current + * offset. + */ + MOZ_MUST_USE bool extraWarning(unsigned errorNumber, ...); + Parser(ExclusiveContext* cx, LifoAlloc& alloc, const ReadOnlyCompileOptions& options, const char16_t* chars, size_t length, bool foldConstants, UsedNameTracker& usedNames, Parser<SyntaxParseHandler>* syntaxParser, LazyScript* lazyOuterFunction); |