// Copyright 2014 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "src/accessors.h" #include "src/arguments-inl.h" #include "src/compiler.h" #include "src/counters.h" #include "src/heap/heap-inl.h" // For ToBoolean. TODO(jkummerow): Drop. #include "src/isolate-inl.h" #include "src/runtime/runtime-utils.h" namespace v8 { namespace internal { // TODO(5530): Remove once uses in debug.js are gone. RUNTIME_FUNCTION(Runtime_FunctionGetScriptSource) { HandleScope scope(isolate); DCHECK_EQ(1, args.length()); CONVERT_ARG_HANDLE_CHECKED(JSReceiver, function, 0); if (function->IsJSFunction()) { Handle<Object> script( Handle<JSFunction>::cast(function)->shared()->script(), isolate); if (script->IsScript()) return Handle<Script>::cast(script)->source(); } return ReadOnlyRoots(isolate).undefined_value(); } RUNTIME_FUNCTION(Runtime_FunctionGetScriptId) { HandleScope scope(isolate); DCHECK_EQ(1, args.length()); CONVERT_ARG_HANDLE_CHECKED(JSReceiver, function, 0); if (function->IsJSFunction()) { Handle<Object> script( Handle<JSFunction>::cast(function)->shared()->script(), isolate); if (script->IsScript()) { return Smi::FromInt(Handle<Script>::cast(script)->id()); } } return Smi::FromInt(-1); } RUNTIME_FUNCTION(Runtime_FunctionGetSourceCode) { HandleScope scope(isolate); DCHECK_EQ(1, args.length()); CONVERT_ARG_HANDLE_CHECKED(JSReceiver, function, 0); if (function->IsJSFunction()) { Handle<SharedFunctionInfo> shared( Handle<JSFunction>::cast(function)->shared(), isolate); return *SharedFunctionInfo::GetSourceCode(shared); } return ReadOnlyRoots(isolate).undefined_value(); } RUNTIME_FUNCTION(Runtime_FunctionGetScriptSourcePosition) { SealHandleScope shs(isolate); DCHECK_EQ(1, args.length()); CONVERT_ARG_CHECKED(JSFunction, fun, 0); int pos = fun->shared()->StartPosition(); return Smi::FromInt(pos); } RUNTIME_FUNCTION(Runtime_FunctionIsAPIFunction) { SealHandleScope shs(isolate); DCHECK_EQ(1, args.length()); CONVERT_ARG_CHECKED(JSFunction, f, 0); return isolate->heap()->ToBoolean(f->shared()->IsApiFunction()); } RUNTIME_FUNCTION(Runtime_Call) { HandleScope scope(isolate); DCHECK_LE(2, args.length()); int const argc = args.length() - 2; CONVERT_ARG_HANDLE_CHECKED(Object, target, 0); CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 1); ScopedVector<Handle<Object>> argv(argc); for (int i = 0; i < argc; ++i) { argv[i] = args.at(2 + i); } RETURN_RESULT_OR_FAILURE( isolate, Execution::Call(isolate, target, receiver, argc, argv.begin())); } RUNTIME_FUNCTION(Runtime_IsFunction) { SealHandleScope shs(isolate); DCHECK_EQ(1, args.length()); CONVERT_ARG_CHECKED(Object, object, 0); return isolate->heap()->ToBoolean(object->IsFunction()); } } // namespace internal } // namespace v8