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" |
| 13 | #include "src/profiler/cpu-profiler.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) { |
| 19 | SealHandleScope shs(isolate); |
| 20 | DCHECK(args.length() == 1); |
| 21 | |
| 22 | CONVERT_ARG_CHECKED(JSFunction, f, 0); |
| 23 | return f->shared()->name(); |
| 24 | } |
| 25 | |
| 26 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 27 | RUNTIME_FUNCTION(Runtime_FunctionSetName) { |
| 28 | HandleScope scope(isolate); |
| 29 | DCHECK(args.length() == 2); |
| 30 | |
| 31 | CONVERT_ARG_HANDLE_CHECKED(JSFunction, f, 0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 32 | CONVERT_ARG_HANDLE_CHECKED(String, name, 1); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 33 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 34 | name = String::Flatten(name); |
| 35 | f->shared()->set_name(*name); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 36 | return isolate->heap()->undefined_value(); |
| 37 | } |
| 38 | |
| 39 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 40 | RUNTIME_FUNCTION(Runtime_FunctionRemovePrototype) { |
| 41 | SealHandleScope shs(isolate); |
| 42 | DCHECK(args.length() == 1); |
| 43 | |
| 44 | CONVERT_ARG_CHECKED(JSFunction, f, 0); |
| 45 | RUNTIME_ASSERT(f->RemovePrototype()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 46 | f->shared()->set_construct_stub( |
| 47 | *isolate->builtins()->ConstructedNonConstructable()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 48 | |
| 49 | return isolate->heap()->undefined_value(); |
| 50 | } |
| 51 | |
| 52 | |
| 53 | RUNTIME_FUNCTION(Runtime_FunctionGetScript) { |
| 54 | HandleScope scope(isolate); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 55 | DCHECK_EQ(1, args.length()); |
| 56 | CONVERT_ARG_HANDLE_CHECKED(JSReceiver, function, 0); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 57 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 58 | if (function->IsJSFunction()) { |
| 59 | Handle<Object> script( |
| 60 | Handle<JSFunction>::cast(function)->shared()->script(), isolate); |
| 61 | if (script->IsScript()) { |
| 62 | return *Script::GetWrapper(Handle<Script>::cast(script)); |
| 63 | } |
| 64 | } |
| 65 | return isolate->heap()->undefined_value(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 66 | } |
| 67 | |
| 68 | |
| 69 | RUNTIME_FUNCTION(Runtime_FunctionGetSourceCode) { |
| 70 | HandleScope scope(isolate); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 71 | DCHECK_EQ(1, args.length()); |
| 72 | CONVERT_ARG_HANDLE_CHECKED(JSReceiver, function, 0); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 73 | if (function->IsJSFunction()) { |
| 74 | return *Handle<JSFunction>::cast(function)->shared()->GetSourceCode(); |
| 75 | } |
| 76 | return isolate->heap()->undefined_value(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | |
| 80 | RUNTIME_FUNCTION(Runtime_FunctionGetScriptSourcePosition) { |
| 81 | SealHandleScope shs(isolate); |
| 82 | DCHECK(args.length() == 1); |
| 83 | |
| 84 | CONVERT_ARG_CHECKED(JSFunction, fun, 0); |
| 85 | int pos = fun->shared()->start_position(); |
| 86 | return Smi::FromInt(pos); |
| 87 | } |
| 88 | |
| 89 | |
| 90 | RUNTIME_FUNCTION(Runtime_FunctionGetPositionForOffset) { |
| 91 | SealHandleScope shs(isolate); |
| 92 | DCHECK(args.length() == 2); |
| 93 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 94 | CONVERT_ARG_CHECKED(AbstractCode, abstract_code, 0); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 95 | CONVERT_NUMBER_CHECKED(int, offset, Int32, args[1]); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 96 | return Smi::FromInt(abstract_code->SourcePosition(offset)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 97 | } |
| 98 | |
| 99 | |
| 100 | RUNTIME_FUNCTION(Runtime_FunctionSetInstanceClassName) { |
| 101 | SealHandleScope shs(isolate); |
| 102 | DCHECK(args.length() == 2); |
| 103 | |
| 104 | CONVERT_ARG_CHECKED(JSFunction, fun, 0); |
| 105 | CONVERT_ARG_CHECKED(String, name, 1); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 106 | fun->shared()->set_instance_class_name(name); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 107 | return isolate->heap()->undefined_value(); |
| 108 | } |
| 109 | |
| 110 | |
| 111 | RUNTIME_FUNCTION(Runtime_FunctionSetLength) { |
| 112 | SealHandleScope shs(isolate); |
| 113 | DCHECK(args.length() == 2); |
| 114 | |
| 115 | CONVERT_ARG_CHECKED(JSFunction, fun, 0); |
| 116 | CONVERT_SMI_ARG_CHECKED(length, 1); |
| 117 | RUNTIME_ASSERT((length & 0xC0000000) == 0xC0000000 || |
| 118 | (length & 0xC0000000) == 0x0); |
| 119 | fun->shared()->set_length(length); |
| 120 | return isolate->heap()->undefined_value(); |
| 121 | } |
| 122 | |
| 123 | |
| 124 | RUNTIME_FUNCTION(Runtime_FunctionSetPrototype) { |
| 125 | HandleScope scope(isolate); |
| 126 | DCHECK(args.length() == 2); |
| 127 | |
| 128 | CONVERT_ARG_HANDLE_CHECKED(JSFunction, fun, 0); |
| 129 | CONVERT_ARG_HANDLE_CHECKED(Object, value, 1); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 130 | RUNTIME_ASSERT(fun->IsConstructor()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 131 | RETURN_FAILURE_ON_EXCEPTION(isolate, |
| 132 | Accessors::FunctionSetPrototype(fun, value)); |
| 133 | return args[0]; // return TOS |
| 134 | } |
| 135 | |
| 136 | |
| 137 | RUNTIME_FUNCTION(Runtime_FunctionIsAPIFunction) { |
| 138 | SealHandleScope shs(isolate); |
| 139 | DCHECK(args.length() == 1); |
| 140 | |
| 141 | CONVERT_ARG_CHECKED(JSFunction, f, 0); |
| 142 | return isolate->heap()->ToBoolean(f->shared()->IsApiFunction()); |
| 143 | } |
| 144 | |
| 145 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 146 | RUNTIME_FUNCTION(Runtime_SetCode) { |
| 147 | HandleScope scope(isolate); |
| 148 | DCHECK(args.length() == 2); |
| 149 | |
| 150 | CONVERT_ARG_HANDLE_CHECKED(JSFunction, target, 0); |
| 151 | CONVERT_ARG_HANDLE_CHECKED(JSFunction, source, 1); |
| 152 | |
| 153 | Handle<SharedFunctionInfo> target_shared(target->shared()); |
| 154 | Handle<SharedFunctionInfo> source_shared(source->shared()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 155 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 156 | if (!Compiler::Compile(source, KEEP_EXCEPTION)) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 157 | return isolate->heap()->exception(); |
| 158 | } |
| 159 | |
| 160 | // Mark both, the source and the target, as un-flushable because the |
| 161 | // shared unoptimized code makes them impossible to enqueue in a list. |
| 162 | DCHECK(target_shared->code()->gc_metadata() == NULL); |
| 163 | DCHECK(source_shared->code()->gc_metadata() == NULL); |
| 164 | target_shared->set_dont_flush(true); |
| 165 | source_shared->set_dont_flush(true); |
| 166 | |
| 167 | // Set the code, scope info, formal parameter count, and the length |
| 168 | // of the target shared function info. |
| 169 | target_shared->ReplaceCode(source_shared->code()); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 170 | if (source_shared->HasBytecodeArray()) { |
| 171 | target_shared->set_function_data(source_shared->bytecode_array()); |
| 172 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 173 | target_shared->set_scope_info(source_shared->scope_info()); |
| 174 | target_shared->set_length(source_shared->length()); |
| 175 | target_shared->set_feedback_vector(source_shared->feedback_vector()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 176 | target_shared->set_internal_formal_parameter_count( |
| 177 | source_shared->internal_formal_parameter_count()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 178 | target_shared->set_start_position_and_type( |
| 179 | source_shared->start_position_and_type()); |
| 180 | target_shared->set_end_position(source_shared->end_position()); |
| 181 | bool was_native = target_shared->native(); |
| 182 | target_shared->set_compiler_hints(source_shared->compiler_hints()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 183 | target_shared->set_opt_count_and_bailout_reason( |
| 184 | source_shared->opt_count_and_bailout_reason()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 185 | target_shared->set_native(was_native); |
| 186 | target_shared->set_profiler_ticks(source_shared->profiler_ticks()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 187 | SharedFunctionInfo::SetScript( |
| 188 | target_shared, Handle<Object>(source_shared->script(), isolate)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 189 | |
| 190 | // Set the code of the target function. |
| 191 | target->ReplaceCode(source_shared->code()); |
| 192 | DCHECK(target->next_function_link()->IsUndefined()); |
| 193 | |
| 194 | // Make sure we get a fresh copy of the literal vector to avoid cross |
| 195 | // context contamination. |
| 196 | Handle<Context> context(source->context()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 197 | target->set_context(*context); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 198 | |
| 199 | int number_of_literals = source->NumberOfLiterals(); |
| 200 | Handle<LiteralsArray> literals = |
| 201 | LiteralsArray::New(isolate, handle(target_shared->feedback_vector()), |
| 202 | number_of_literals, TENURED); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 203 | target->set_literals(*literals); |
| 204 | |
| 205 | if (isolate->logger()->is_logging_code_events() || |
| 206 | isolate->cpu_profiler()->is_profiling()) { |
| 207 | isolate->logger()->LogExistingFunction(source_shared, |
| 208 | Handle<Code>(source_shared->code())); |
| 209 | } |
| 210 | |
| 211 | return *target; |
| 212 | } |
| 213 | |
| 214 | |
| 215 | // Set the native flag on the function. |
| 216 | // This is used to decide if we should transform null and undefined |
| 217 | // into the global object when doing call and apply. |
| 218 | RUNTIME_FUNCTION(Runtime_SetNativeFlag) { |
| 219 | SealHandleScope shs(isolate); |
| 220 | RUNTIME_ASSERT(args.length() == 1); |
| 221 | |
| 222 | CONVERT_ARG_CHECKED(Object, object, 0); |
| 223 | |
| 224 | if (object->IsJSFunction()) { |
| 225 | JSFunction* func = JSFunction::cast(object); |
| 226 | func->shared()->set_native(true); |
| 227 | } |
| 228 | return isolate->heap()->undefined_value(); |
| 229 | } |
| 230 | |
| 231 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 232 | RUNTIME_FUNCTION(Runtime_IsConstructor) { |
| 233 | SealHandleScope shs(isolate); |
| 234 | DCHECK_EQ(1, args.length()); |
| 235 | CONVERT_ARG_CHECKED(Object, object, 0); |
| 236 | return isolate->heap()->ToBoolean(object->IsConstructor()); |
| 237 | } |
| 238 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 239 | RUNTIME_FUNCTION(Runtime_SetForceInlineFlag) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 240 | SealHandleScope shs(isolate); |
| 241 | RUNTIME_ASSERT(args.length() == 1); |
| 242 | CONVERT_ARG_HANDLE_CHECKED(Object, object, 0); |
| 243 | |
| 244 | if (object->IsJSFunction()) { |
| 245 | JSFunction* func = JSFunction::cast(*object); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 246 | func->shared()->set_force_inline(true); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 247 | } |
| 248 | return isolate->heap()->undefined_value(); |
| 249 | } |
| 250 | |
| 251 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 252 | RUNTIME_FUNCTION(Runtime_Call) { |
| 253 | HandleScope scope(isolate); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 254 | DCHECK_LE(2, args.length()); |
| 255 | int const argc = args.length() - 2; |
| 256 | CONVERT_ARG_HANDLE_CHECKED(JSReceiver, target, 0); |
| 257 | CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 1); |
| 258 | ScopedVector<Handle<Object>> argv(argc); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 259 | for (int i = 0; i < argc; ++i) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 260 | argv[i] = args.at<Object>(2 + i); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 261 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 262 | Handle<Object> result; |
| 263 | ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| 264 | isolate, result, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 265 | Execution::Call(isolate, target, receiver, argc, argv.start())); |
| 266 | return *result; |
| 267 | } |
| 268 | |
| 269 | |
| 270 | RUNTIME_FUNCTION(Runtime_TailCall) { |
| 271 | HandleScope scope(isolate); |
| 272 | DCHECK_LE(2, args.length()); |
| 273 | int const argc = args.length() - 2; |
| 274 | CONVERT_ARG_HANDLE_CHECKED(JSReceiver, target, 0); |
| 275 | CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 1); |
| 276 | ScopedVector<Handle<Object>> argv(argc); |
| 277 | for (int i = 0; i < argc; ++i) { |
| 278 | argv[i] = args.at<Object>(2 + i); |
| 279 | } |
| 280 | Handle<Object> result; |
| 281 | ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| 282 | isolate, result, |
| 283 | Execution::Call(isolate, target, receiver, argc, argv.start())); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 284 | return *result; |
| 285 | } |
| 286 | |
| 287 | |
| 288 | RUNTIME_FUNCTION(Runtime_Apply) { |
| 289 | HandleScope scope(isolate); |
| 290 | DCHECK(args.length() == 5); |
| 291 | CONVERT_ARG_HANDLE_CHECKED(JSReceiver, fun, 0); |
| 292 | CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 1); |
| 293 | CONVERT_ARG_HANDLE_CHECKED(JSObject, arguments, 2); |
| 294 | CONVERT_INT32_ARG_CHECKED(offset, 3); |
| 295 | CONVERT_INT32_ARG_CHECKED(argc, 4); |
| 296 | RUNTIME_ASSERT(offset >= 0); |
| 297 | // Loose upper bound to allow fuzzing. We'll most likely run out of |
| 298 | // stack space before hitting this limit. |
| 299 | static int kMaxArgc = 1000000; |
| 300 | RUNTIME_ASSERT(argc >= 0 && argc <= kMaxArgc); |
| 301 | |
| 302 | // If there are too many arguments, allocate argv via malloc. |
| 303 | const int argv_small_size = 10; |
| 304 | Handle<Object> argv_small_buffer[argv_small_size]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 305 | base::SmartArrayPointer<Handle<Object> > argv_large_buffer; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 306 | Handle<Object>* argv = argv_small_buffer; |
| 307 | if (argc > argv_small_size) { |
| 308 | argv = new Handle<Object>[argc]; |
| 309 | if (argv == NULL) return isolate->StackOverflow(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 310 | argv_large_buffer = base::SmartArrayPointer<Handle<Object> >(argv); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 311 | } |
| 312 | |
| 313 | for (int i = 0; i < argc; ++i) { |
| 314 | ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| 315 | isolate, argv[i], Object::GetElement(isolate, arguments, offset + i)); |
| 316 | } |
| 317 | |
| 318 | Handle<Object> result; |
| 319 | ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 320 | isolate, result, Execution::Call(isolate, fun, receiver, argc, argv)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 321 | return *result; |
| 322 | } |
| 323 | |
| 324 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 325 | // ES6 section 9.2.1.2, OrdinaryCallBindThis for sloppy callee. |
| 326 | RUNTIME_FUNCTION(Runtime_ConvertReceiver) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 327 | HandleScope scope(isolate); |
| 328 | DCHECK(args.length() == 1); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 329 | CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 0); |
| 330 | if (receiver->IsNull() || receiver->IsUndefined()) { |
| 331 | return isolate->global_proxy(); |
| 332 | } |
| 333 | return *Object::ToObject(isolate, receiver).ToHandleChecked(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 334 | } |
| 335 | |
| 336 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 337 | RUNTIME_FUNCTION(Runtime_IsFunction) { |
| 338 | SealHandleScope shs(isolate); |
| 339 | DCHECK_EQ(1, args.length()); |
| 340 | CONVERT_ARG_CHECKED(Object, object, 0); |
| 341 | return isolate->heap()->ToBoolean(object->IsFunction()); |
| 342 | } |
| 343 | |
| 344 | |
| 345 | RUNTIME_FUNCTION(Runtime_ThrowStrongModeTooFewArguments) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 346 | HandleScope scope(isolate); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 347 | DCHECK(args.length() == 0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 348 | THROW_NEW_ERROR_RETURN_FAILURE(isolate, |
| 349 | NewTypeError(MessageTemplate::kStrongArity)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 350 | } |
| 351 | |
| 352 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 353 | RUNTIME_FUNCTION(Runtime_FunctionToString) { |
| 354 | HandleScope scope(isolate); |
| 355 | DCHECK_EQ(1, args.length()); |
| 356 | CONVERT_ARG_HANDLE_CHECKED(JSReceiver, function, 0); |
| 357 | return function->IsJSBoundFunction() |
| 358 | ? *JSBoundFunction::ToString( |
| 359 | Handle<JSBoundFunction>::cast(function)) |
| 360 | : *JSFunction::ToString(Handle<JSFunction>::cast(function)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 361 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 362 | |
| 363 | } // namespace internal |
| 364 | } // namespace v8 |