| // Copyright 2015 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/interpreter/interpreter.h" |
| |
| #include "src/compiler.h" |
| #include "src/compiler/interpreter-assembler.h" |
| #include "src/factory.h" |
| #include "src/interpreter/bytecodes.h" |
| #include "src/zone.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace interpreter { |
| |
| using compiler::Node; |
| #define __ assembler-> |
| |
| |
| Interpreter::Interpreter(Isolate* isolate) : isolate_(isolate) {} |
| |
| |
| void Interpreter::Initialize(bool create_heap_objects) { |
| DCHECK(FLAG_ignition); |
| if (create_heap_objects) { |
| Zone zone; |
| HandleScope scope(isolate_); |
| Handle<FixedArray> handler_table = isolate_->factory()->NewFixedArray( |
| static_cast<int>(Bytecode::kLast) + 1, TENURED); |
| isolate_->heap()->public_set_interpreter_table(*handler_table); |
| |
| #define GENERATE_CODE(Name, _) \ |
| { \ |
| compiler::InterpreterAssembler assembler(isolate_, &zone, \ |
| Bytecode::k##Name); \ |
| Do##Name(&assembler); \ |
| Handle<Code> code = assembler.GenerateCode(); \ |
| handler_table->set(static_cast<int>(Bytecode::k##Name), *code); \ |
| } |
| BYTECODE_LIST(GENERATE_CODE) |
| #undef GENERATE_CODE |
| } |
| } |
| |
| |
| // Load literal '0' into the register index specified by the bytecode's |
| // argument. |
| void Interpreter::DoLoadLiteral0(compiler::InterpreterAssembler* assembler) { |
| Node* register_index = __ BytecodeArg(0); |
| __ StoreRegister(__ NumberConstant(0), register_index); |
| __ Dispatch(); |
| } |
| |
| |
| // Return the value in register 0. |
| void Interpreter::DoReturn(compiler::InterpreterAssembler* assembler) { |
| // TODO(rmcilroy) Jump to exit trampoline. |
| } |
| |
| |
| } // namespace interpreter |
| } // namespace internal |
| } // namespace v8 |