Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 5 | #include "src/runtime/runtime-utils.h" |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 6 | |
| 7 | #include "src/accessors.h" |
| 8 | #include "src/arguments.h" |
| 9 | #include "src/compiler.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 10 | #include "src/frames-inl.h" |
| 11 | #include "src/isolate-inl.h" |
| 12 | #include "src/messages.h" |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 13 | #include "src/wasm/wasm-module.h" |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 14 | |
| 15 | namespace v8 { |
| 16 | namespace internal { |
| 17 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 18 | RUNTIME_FUNCTION(Runtime_FunctionGetName) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 19 | HandleScope scope(isolate); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 20 | DCHECK(args.length() == 1); |
| 21 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 22 | CONVERT_ARG_HANDLE_CHECKED(JSReceiver, function, 0); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 23 | if (function->IsJSBoundFunction()) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame^] | 24 | RETURN_RESULT_OR_FAILURE( |
| 25 | isolate, JSBoundFunction::GetName( |
| 26 | isolate, Handle<JSBoundFunction>::cast(function))); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 27 | } else { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame^] | 28 | return *JSFunction::GetName(isolate, Handle<JSFunction>::cast(function)); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 29 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 30 | } |
| 31 | |
| 32 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 33 | RUNTIME_FUNCTION(Runtime_FunctionSetName) { |
| 34 | HandleScope scope(isolate); |
| 35 | DCHECK(args.length() == 2); |
| 36 | |
| 37 | CONVERT_ARG_HANDLE_CHECKED(JSFunction, f, 0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 38 | CONVERT_ARG_HANDLE_CHECKED(String, name, 1); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 39 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 40 | name = String::Flatten(name); |
| 41 | f->shared()->set_name(*name); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 42 | return isolate->heap()->undefined_value(); |
| 43 | } |
| 44 | |
| 45 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 46 | RUNTIME_FUNCTION(Runtime_FunctionRemovePrototype) { |
| 47 | SealHandleScope shs(isolate); |
| 48 | DCHECK(args.length() == 1); |
| 49 | |
| 50 | CONVERT_ARG_CHECKED(JSFunction, f, 0); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame^] | 51 | CHECK(f->RemovePrototype()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 52 | f->shared()->set_construct_stub( |
| 53 | *isolate->builtins()->ConstructedNonConstructable()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 54 | |
| 55 | return isolate->heap()->undefined_value(); |
| 56 | } |
| 57 | |
| 58 | |
| 59 | RUNTIME_FUNCTION(Runtime_FunctionGetScript) { |
| 60 | HandleScope scope(isolate); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 61 | DCHECK_EQ(1, args.length()); |
| 62 | CONVERT_ARG_HANDLE_CHECKED(JSReceiver, function, 0); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 63 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 64 | if (function->IsJSFunction()) { |
| 65 | Handle<Object> script( |
| 66 | Handle<JSFunction>::cast(function)->shared()->script(), isolate); |
| 67 | if (script->IsScript()) { |
| 68 | return *Script::GetWrapper(Handle<Script>::cast(script)); |
| 69 | } |
| 70 | } |
| 71 | return isolate->heap()->undefined_value(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 72 | } |
| 73 | |
| 74 | |
| 75 | RUNTIME_FUNCTION(Runtime_FunctionGetSourceCode) { |
| 76 | HandleScope scope(isolate); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 77 | DCHECK_EQ(1, args.length()); |
| 78 | CONVERT_ARG_HANDLE_CHECKED(JSReceiver, function, 0); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 79 | if (function->IsJSFunction()) { |
| 80 | return *Handle<JSFunction>::cast(function)->shared()->GetSourceCode(); |
| 81 | } |
| 82 | return isolate->heap()->undefined_value(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | |
| 86 | RUNTIME_FUNCTION(Runtime_FunctionGetScriptSourcePosition) { |
| 87 | SealHandleScope shs(isolate); |
| 88 | DCHECK(args.length() == 1); |
| 89 | |
| 90 | CONVERT_ARG_CHECKED(JSFunction, fun, 0); |
| 91 | int pos = fun->shared()->start_position(); |
| 92 | return Smi::FromInt(pos); |
| 93 | } |
| 94 | |
| 95 | |
| 96 | RUNTIME_FUNCTION(Runtime_FunctionGetPositionForOffset) { |
| 97 | SealHandleScope shs(isolate); |
| 98 | DCHECK(args.length() == 2); |
| 99 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 100 | CONVERT_ARG_CHECKED(AbstractCode, abstract_code, 0); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 101 | CONVERT_NUMBER_CHECKED(int, offset, Int32, args[1]); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 102 | return Smi::FromInt(abstract_code->SourcePosition(offset)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 103 | } |
| 104 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 105 | RUNTIME_FUNCTION(Runtime_FunctionGetContextData) { |
| 106 | SealHandleScope shs(isolate); |
| 107 | DCHECK(args.length() == 1); |
| 108 | |
| 109 | CONVERT_ARG_CHECKED(JSFunction, fun, 0); |
| 110 | FixedArray* array = fun->native_context()->embedder_data(); |
| 111 | return array->get(v8::Context::kDebugIdIndex); |
| 112 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 113 | |
| 114 | RUNTIME_FUNCTION(Runtime_FunctionSetInstanceClassName) { |
| 115 | SealHandleScope shs(isolate); |
| 116 | DCHECK(args.length() == 2); |
| 117 | |
| 118 | CONVERT_ARG_CHECKED(JSFunction, fun, 0); |
| 119 | CONVERT_ARG_CHECKED(String, name, 1); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 120 | fun->shared()->set_instance_class_name(name); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 121 | return isolate->heap()->undefined_value(); |
| 122 | } |
| 123 | |
| 124 | |
| 125 | RUNTIME_FUNCTION(Runtime_FunctionSetLength) { |
| 126 | SealHandleScope shs(isolate); |
| 127 | DCHECK(args.length() == 2); |
| 128 | |
| 129 | CONVERT_ARG_CHECKED(JSFunction, fun, 0); |
| 130 | CONVERT_SMI_ARG_CHECKED(length, 1); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame^] | 131 | CHECK((length & 0xC0000000) == 0xC0000000 || (length & 0xC0000000) == 0x0); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 132 | fun->shared()->set_length(length); |
| 133 | return isolate->heap()->undefined_value(); |
| 134 | } |
| 135 | |
| 136 | |
| 137 | RUNTIME_FUNCTION(Runtime_FunctionSetPrototype) { |
| 138 | HandleScope scope(isolate); |
| 139 | DCHECK(args.length() == 2); |
| 140 | |
| 141 | CONVERT_ARG_HANDLE_CHECKED(JSFunction, fun, 0); |
| 142 | CONVERT_ARG_HANDLE_CHECKED(Object, value, 1); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame^] | 143 | CHECK(fun->IsConstructor()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 144 | RETURN_FAILURE_ON_EXCEPTION(isolate, |
| 145 | Accessors::FunctionSetPrototype(fun, value)); |
| 146 | return args[0]; // return TOS |
| 147 | } |
| 148 | |
| 149 | |
| 150 | RUNTIME_FUNCTION(Runtime_FunctionIsAPIFunction) { |
| 151 | SealHandleScope shs(isolate); |
| 152 | DCHECK(args.length() == 1); |
| 153 | |
| 154 | CONVERT_ARG_CHECKED(JSFunction, f, 0); |
| 155 | return isolate->heap()->ToBoolean(f->shared()->IsApiFunction()); |
| 156 | } |
| 157 | |
| 158 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 159 | RUNTIME_FUNCTION(Runtime_SetCode) { |
| 160 | HandleScope scope(isolate); |
| 161 | DCHECK(args.length() == 2); |
| 162 | |
| 163 | CONVERT_ARG_HANDLE_CHECKED(JSFunction, target, 0); |
| 164 | CONVERT_ARG_HANDLE_CHECKED(JSFunction, source, 1); |
| 165 | |
| 166 | Handle<SharedFunctionInfo> target_shared(target->shared()); |
| 167 | Handle<SharedFunctionInfo> source_shared(source->shared()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 168 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 169 | if (!Compiler::Compile(source, Compiler::KEEP_EXCEPTION)) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 170 | return isolate->heap()->exception(); |
| 171 | } |
| 172 | |
| 173 | // Mark both, the source and the target, as un-flushable because the |
| 174 | // shared unoptimized code makes them impossible to enqueue in a list. |
| 175 | DCHECK(target_shared->code()->gc_metadata() == NULL); |
| 176 | DCHECK(source_shared->code()->gc_metadata() == NULL); |
| 177 | target_shared->set_dont_flush(true); |
| 178 | source_shared->set_dont_flush(true); |
| 179 | |
| 180 | // Set the code, scope info, formal parameter count, and the length |
| 181 | // of the target shared function info. |
| 182 | target_shared->ReplaceCode(source_shared->code()); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 183 | if (source_shared->HasBytecodeArray()) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 184 | target_shared->set_bytecode_array(source_shared->bytecode_array()); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 185 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 186 | target_shared->set_scope_info(source_shared->scope_info()); |
| 187 | target_shared->set_length(source_shared->length()); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame^] | 188 | target_shared->set_num_literals(source_shared->num_literals()); |
| 189 | target_shared->set_feedback_metadata(source_shared->feedback_metadata()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 190 | target_shared->set_internal_formal_parameter_count( |
| 191 | source_shared->internal_formal_parameter_count()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 192 | target_shared->set_start_position_and_type( |
| 193 | source_shared->start_position_and_type()); |
| 194 | target_shared->set_end_position(source_shared->end_position()); |
| 195 | bool was_native = target_shared->native(); |
| 196 | target_shared->set_compiler_hints(source_shared->compiler_hints()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 197 | target_shared->set_opt_count_and_bailout_reason( |
| 198 | source_shared->opt_count_and_bailout_reason()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 199 | target_shared->set_native(was_native); |
| 200 | target_shared->set_profiler_ticks(source_shared->profiler_ticks()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 201 | SharedFunctionInfo::SetScript( |
| 202 | target_shared, Handle<Object>(source_shared->script(), isolate)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 203 | |
| 204 | // Set the code of the target function. |
| 205 | target->ReplaceCode(source_shared->code()); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame^] | 206 | DCHECK(target->next_function_link()->IsUndefined(isolate)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 207 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 208 | Handle<Context> context(source->context()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 209 | target->set_context(*context); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 210 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame^] | 211 | // Make sure we get a fresh copy of the literal vector to avoid cross |
| 212 | // context contamination, and that the literal vector makes it's way into |
| 213 | // the target_shared optimized code map. |
| 214 | JSFunction::EnsureLiterals(target); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 215 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame^] | 216 | if (isolate->logger()->is_logging_code_events() || isolate->is_profiling()) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 217 | isolate->logger()->LogExistingFunction( |
| 218 | source_shared, Handle<AbstractCode>(source_shared->abstract_code())); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 219 | } |
| 220 | |
| 221 | return *target; |
| 222 | } |
| 223 | |
| 224 | |
| 225 | // Set the native flag on the function. |
| 226 | // This is used to decide if we should transform null and undefined |
| 227 | // into the global object when doing call and apply. |
| 228 | RUNTIME_FUNCTION(Runtime_SetNativeFlag) { |
| 229 | SealHandleScope shs(isolate); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame^] | 230 | DCHECK_EQ(1, args.length()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 231 | |
| 232 | CONVERT_ARG_CHECKED(Object, object, 0); |
| 233 | |
| 234 | if (object->IsJSFunction()) { |
| 235 | JSFunction* func = JSFunction::cast(object); |
| 236 | func->shared()->set_native(true); |
| 237 | } |
| 238 | return isolate->heap()->undefined_value(); |
| 239 | } |
| 240 | |
| 241 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 242 | RUNTIME_FUNCTION(Runtime_IsConstructor) { |
| 243 | SealHandleScope shs(isolate); |
| 244 | DCHECK_EQ(1, args.length()); |
| 245 | CONVERT_ARG_CHECKED(Object, object, 0); |
| 246 | return isolate->heap()->ToBoolean(object->IsConstructor()); |
| 247 | } |
| 248 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 249 | RUNTIME_FUNCTION(Runtime_SetForceInlineFlag) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 250 | SealHandleScope shs(isolate); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame^] | 251 | DCHECK_EQ(1, args.length()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 252 | CONVERT_ARG_HANDLE_CHECKED(Object, object, 0); |
| 253 | |
| 254 | if (object->IsJSFunction()) { |
| 255 | JSFunction* func = JSFunction::cast(*object); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 256 | func->shared()->set_force_inline(true); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 257 | } |
| 258 | return isolate->heap()->undefined_value(); |
| 259 | } |
| 260 | |
| 261 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 262 | RUNTIME_FUNCTION(Runtime_Call) { |
| 263 | HandleScope scope(isolate); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 264 | DCHECK_LE(2, args.length()); |
| 265 | int const argc = args.length() - 2; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 266 | CONVERT_ARG_HANDLE_CHECKED(Object, target, 0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 267 | CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 1); |
| 268 | ScopedVector<Handle<Object>> argv(argc); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 269 | for (int i = 0; i < argc; ++i) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 270 | argv[i] = args.at<Object>(2 + i); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 271 | } |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame^] | 272 | RETURN_RESULT_OR_FAILURE( |
| 273 | isolate, Execution::Call(isolate, target, receiver, argc, argv.start())); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 274 | } |
| 275 | |
| 276 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 277 | // ES6 section 9.2.1.2, OrdinaryCallBindThis for sloppy callee. |
| 278 | RUNTIME_FUNCTION(Runtime_ConvertReceiver) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 279 | HandleScope scope(isolate); |
| 280 | DCHECK(args.length() == 1); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 281 | CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 0); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 282 | return *Object::ConvertReceiver(isolate, receiver).ToHandleChecked(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 283 | } |
| 284 | |
| 285 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 286 | RUNTIME_FUNCTION(Runtime_IsFunction) { |
| 287 | SealHandleScope shs(isolate); |
| 288 | DCHECK_EQ(1, args.length()); |
| 289 | CONVERT_ARG_CHECKED(Object, object, 0); |
| 290 | return isolate->heap()->ToBoolean(object->IsFunction()); |
| 291 | } |
| 292 | |
| 293 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 294 | RUNTIME_FUNCTION(Runtime_FunctionToString) { |
| 295 | HandleScope scope(isolate); |
| 296 | DCHECK_EQ(1, args.length()); |
| 297 | CONVERT_ARG_HANDLE_CHECKED(JSReceiver, function, 0); |
| 298 | return function->IsJSBoundFunction() |
| 299 | ? *JSBoundFunction::ToString( |
| 300 | Handle<JSBoundFunction>::cast(function)) |
| 301 | : *JSFunction::ToString(Handle<JSFunction>::cast(function)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 302 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 303 | |
| 304 | } // namespace internal |
| 305 | } // namespace v8 |