| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| * vim: set ts=8 sts=4 et sw=4 tw=99: |
| * This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| #ifndef frontend_Parser_inl |
| #define frontend_Parser_inl |
| |
| #include "frontend/BytecodeCompiler.h" |
| #include "frontend/Parser.h" |
| |
| #include "frontend/SharedContext-inl.h" |
| |
| namespace js { |
| namespace frontend { |
| |
| template <typename ParseHandler> |
| inline unsigned |
| ParseContext<ParseHandler>::blockid() |
| { |
| return topStmt ? topStmt->blockid : bodyid; |
| } |
| |
| template <typename ParseHandler> |
| inline bool |
| ParseContext<ParseHandler>::atBodyLevel() |
| { |
| return !topStmt; |
| } |
| |
| inline |
| GenericParseContext::GenericParseContext(GenericParseContext *parent, SharedContext *sc) |
| : parent(parent), |
| sc(sc), |
| funHasReturnExpr(false), |
| funHasReturnVoid(false), |
| parsingForInit(false), |
| parsingWith(parent ? parent->parsingWith : false) |
| { |
| } |
| |
| template <typename ParseHandler> |
| inline |
| ParseContext<ParseHandler>::ParseContext(Parser<ParseHandler> *prs, |
| GenericParseContext *parent, SharedContext *sc, |
| unsigned staticLevel, uint32_t bodyid) |
| : GenericParseContext(parent, sc), |
| bodyid(0), // initialized in init() |
| blockidGen(bodyid), // used to set |bodyid| and subsequently incremented in init() |
| topStmt(NULL), |
| topScopeStmt(NULL), |
| blockChain(prs->context), |
| staticLevel(staticLevel), |
| parenDepth(0), |
| yieldCount(0), |
| blockNode(ParseHandler::null()), |
| decls_(prs->context), |
| args_(prs->context), |
| vars_(prs->context), |
| yieldOffset(0), |
| parserPC(&prs->pc), |
| oldpc(prs->pc), |
| lexdeps(prs->context), |
| funcStmts(NULL), |
| innerFunctions(prs->context), |
| inDeclDestructuring(false), |
| funBecameStrict(false) |
| { |
| prs->pc = this; |
| } |
| |
| template <typename ParseHandler> |
| inline bool |
| ParseContext<ParseHandler>::init() |
| { |
| if (!frontend::GenerateBlockId(this, this->bodyid)) |
| return false; |
| |
| return decls_.init() && lexdeps.ensureMap(sc->context); |
| } |
| |
| template <typename ParseHandler> |
| inline |
| ParseContext<ParseHandler>::~ParseContext() |
| { |
| // |*parserPC| pointed to this object. Now that this object is about to |
| // die, make |*parserPC| point to this object's parent. |
| JS_ASSERT(*parserPC == this); |
| *parserPC = this->oldpc; |
| js_delete(funcStmts); |
| } |
| |
| /* |
| * Check that it is permitted to introduce a binding for atom. Strict mode |
| * forbids introducing new definitions for 'eval', 'arguments', or for any |
| * strict mode reserved keyword. Use pn for reporting error locations, or use |
| * pc's token stream if pn is NULL. |
| */ |
| template <typename ParseHandler> |
| static bool |
| CheckStrictBinding(JSContext *cx, ParseHandler *handler, ParseContext<ParseHandler> *pc, |
| HandlePropertyName name, ParseNode *pn) |
| { |
| if (!pc->sc->needStrictChecks()) |
| return true; |
| |
| if (name == cx->names().eval || name == cx->names().arguments || IsKeyword(name)) { |
| JSAutoByteString bytes; |
| if (!js_AtomToPrintableString(cx, name, &bytes)) |
| return false; |
| return handler->report(ParseStrictError, pn, JSMSG_BAD_BINDING, bytes.ptr()); |
| } |
| |
| return true; |
| } |
| |
| } // namespace frontend |
| } // namespace js |
| |
| #endif /* frontend_Parser_inl */ |