OLD | NEW |
1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/builtins/builtins.h" | 5 #include "src/builtins/builtins.h" |
6 #include "src/builtins/builtins-utils.h" | 6 #include "src/builtins/builtins-utils.h" |
7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
8 | 8 |
9 namespace v8 { | 9 namespace v8 { |
10 namespace internal { | 10 namespace internal { |
(...skipping 133 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
144 void Builtins::Generate_ToNumber(CodeStubAssembler* assembler) { | 144 void Builtins::Generate_ToNumber(CodeStubAssembler* assembler) { |
145 typedef compiler::Node Node; | 145 typedef compiler::Node Node; |
146 typedef TypeConversionDescriptor Descriptor; | 146 typedef TypeConversionDescriptor Descriptor; |
147 | 147 |
148 Node* input = assembler->Parameter(Descriptor::kArgument); | 148 Node* input = assembler->Parameter(Descriptor::kArgument); |
149 Node* context = assembler->Parameter(Descriptor::kContext); | 149 Node* context = assembler->Parameter(Descriptor::kContext); |
150 | 150 |
151 assembler->Return(assembler->ToNumber(context, input)); | 151 assembler->Return(assembler->ToNumber(context, input)); |
152 } | 152 } |
153 | 153 |
| 154 void Builtins::Generate_ToString(CodeStubAssembler* assembler) { |
| 155 typedef CodeStubAssembler::Label Label; |
| 156 typedef compiler::Node Node; |
| 157 typedef TypeConversionDescriptor Descriptor; |
| 158 |
| 159 Node* input = assembler->Parameter(Descriptor::kArgument); |
| 160 Node* context = assembler->Parameter(Descriptor::kContext); |
| 161 |
| 162 Label is_number(assembler); |
| 163 Label runtime(assembler); |
| 164 |
| 165 assembler->GotoIf(assembler->WordIsSmi(input), &is_number); |
| 166 |
| 167 Node* input_map = assembler->LoadMap(input); |
| 168 Node* input_instance_type = assembler->LoadMapInstanceType(input_map); |
| 169 |
| 170 Label not_string(assembler); |
| 171 assembler->GotoIf( |
| 172 assembler->Int32GreaterThanOrEqual( |
| 173 input_instance_type, assembler->Int32Constant(FIRST_NONSTRING_TYPE)), |
| 174 ¬_string); |
| 175 assembler->Return(input); |
| 176 |
| 177 Label not_heap_number(assembler); |
| 178 |
| 179 assembler->Bind(¬_string); |
| 180 { |
| 181 assembler->GotoUnless( |
| 182 assembler->WordEqual(input_map, assembler->HeapNumberMapConstant()), |
| 183 ¬_heap_number); |
| 184 assembler->Goto(&is_number); |
| 185 } |
| 186 |
| 187 assembler->Bind(&is_number); |
| 188 { |
| 189 // TODO(tebbi): inline as soon as NumberToString is in the CodeStubAssembler |
| 190 Callable callable = CodeFactory::NumberToString(assembler->isolate()); |
| 191 assembler->Return(assembler->CallStub(callable, context, input)); |
| 192 } |
| 193 |
| 194 assembler->Bind(¬_heap_number); |
| 195 { |
| 196 assembler->GotoIf( |
| 197 assembler->Word32NotEqual(input_instance_type, |
| 198 assembler->Int32Constant(ODDBALL_TYPE)), |
| 199 &runtime); |
| 200 assembler->Return( |
| 201 assembler->LoadObjectField(input, Oddball::kToStringOffset)); |
| 202 } |
| 203 |
| 204 assembler->Bind(&runtime); |
| 205 { |
| 206 assembler->Return( |
| 207 assembler->CallRuntime(Runtime::kToString, context, input)); |
| 208 } |
| 209 } |
| 210 |
154 Handle<Code> Builtins::OrdinaryToPrimitive(OrdinaryToPrimitiveHint hint) { | 211 Handle<Code> Builtins::OrdinaryToPrimitive(OrdinaryToPrimitiveHint hint) { |
155 switch (hint) { | 212 switch (hint) { |
156 case OrdinaryToPrimitiveHint::kNumber: | 213 case OrdinaryToPrimitiveHint::kNumber: |
157 return OrdinaryToPrimitive_Number(); | 214 return OrdinaryToPrimitive_Number(); |
158 case OrdinaryToPrimitiveHint::kString: | 215 case OrdinaryToPrimitiveHint::kString: |
159 return OrdinaryToPrimitive_String(); | 216 return OrdinaryToPrimitive_String(); |
160 } | 217 } |
161 UNREACHABLE(); | 218 UNREACHABLE(); |
162 return Handle<Code>::null(); | 219 return Handle<Code>::null(); |
163 } | 220 } |
(...skipping 95 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
259 | 316 |
260 assembler->Bind(&return_true); | 317 assembler->Bind(&return_true); |
261 assembler->Return(assembler->BooleanConstant(true)); | 318 assembler->Return(assembler->BooleanConstant(true)); |
262 | 319 |
263 assembler->Bind(&return_false); | 320 assembler->Bind(&return_false); |
264 assembler->Return(assembler->BooleanConstant(false)); | 321 assembler->Return(assembler->BooleanConstant(false)); |
265 } | 322 } |
266 | 323 |
267 } // namespace internal | 324 } // namespace internal |
268 } // namespace v8 | 325 } // namespace v8 |
OLD | NEW |