/* -*- 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_BytecodeCompiler_h #define frontend_BytecodeCompiler_h #include "mozilla/Maybe.h" #include "NamespaceImports.h" #include "vm/Scope.h" #include "vm/String.h" class JSLinearString; namespace js { class LazyScript; class LifoAlloc; class ModuleObject; class ScriptSourceObject; struct SourceCompressionTask; namespace frontend { JSScript* CompileGlobalScript(ExclusiveContext* cx, LifoAlloc& alloc, ScopeKind scopeKind, const ReadOnlyCompileOptions& options, SourceBufferHolder& srcBuf, SourceCompressionTask* extraSct = nullptr, ScriptSourceObject** sourceObjectOut = nullptr); JSScript* CompileEvalScript(ExclusiveContext* cx, LifoAlloc& alloc, HandleObject scopeChain, HandleScope enclosingScope, const ReadOnlyCompileOptions& options, SourceBufferHolder& srcBuf, SourceCompressionTask* extraSct = nullptr, ScriptSourceObject** sourceObjectOut = nullptr); ModuleObject* CompileModule(JSContext* cx, const ReadOnlyCompileOptions& options, SourceBufferHolder& srcBuf); ModuleObject* CompileModule(ExclusiveContext* cx, const ReadOnlyCompileOptions& options, SourceBufferHolder& srcBuf, LifoAlloc& alloc, ScriptSourceObject** sourceObjectOut = nullptr); MOZ_MUST_USE bool CompileLazyFunction(JSContext* cx, Handle<LazyScript*> lazy, const char16_t* chars, size_t length); // // Compile a single function. The source in srcBuf must match the ECMA-262 // FunctionExpression production. // // If nonzero, parameterListEnd is the offset within srcBuf where the parameter // list is expected to end. During parsing, if we find that it ends anywhere // else, it's a SyntaxError. This is used to implement the Function constructor; // it's how we detect that these weird cases are SyntaxErrors: // // Function("/*", "*/x) {") // Function("x){ if (3", "return x;}") // MOZ_MUST_USE bool CompileStandaloneFunction(JSContext* cx, MutableHandleFunction fun, const ReadOnlyCompileOptions& options, JS::SourceBufferHolder& srcBuf, mozilla::Maybe<uint32_t> parameterListEnd, HandleScope enclosingScope = nullptr); MOZ_MUST_USE bool CompileStandaloneGenerator(JSContext* cx, MutableHandleFunction fun, const ReadOnlyCompileOptions& options, JS::SourceBufferHolder& srcBuf, mozilla::Maybe<uint32_t> parameterListEnd); MOZ_MUST_USE bool CompileStandaloneAsyncFunction(JSContext* cx, MutableHandleFunction fun, const ReadOnlyCompileOptions& options, JS::SourceBufferHolder& srcBuf, mozilla::Maybe<uint32_t> parameterListEnd); MOZ_MUST_USE bool CompileAsyncFunctionBody(JSContext* cx, MutableHandleFunction fun, const ReadOnlyCompileOptions& options, Handle<PropertyNameVector> formals, JS::SourceBufferHolder& srcBuf); ScriptSourceObject* CreateScriptSourceObject(ExclusiveContext* cx, const ReadOnlyCompileOptions& options, mozilla::Maybe<uint32_t> parameterListEnd = mozilla::Nothing()); /* * True if str consists of an IdentifierStart character, followed by one or * more IdentifierPart characters, i.e. it matches the IdentifierName production * in the language spec. * * This returns true even if str is a keyword like "if". * * Defined in TokenStream.cpp. */ bool IsIdentifier(JSLinearString* str); /* * As above, but taking chars + length. */ bool IsIdentifier(const char* chars, size_t length); bool IsIdentifier(const char16_t* chars, size_t length); /* True if str is a keyword. Defined in TokenStream.cpp. */ bool IsKeyword(JSLinearString* str); /* GC marking. Defined in Parser.cpp. */ void MarkParser(JSTracer* trc, JS::AutoGCRooter* parser); } /* namespace frontend */ } /* namespace js */ #endif /* frontend_BytecodeCompiler_h */