| // 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. |
| |
| #ifndef V8_INTERPRETER_BYTECODE_GENERATOR_H_ |
| #define V8_INTERPRETER_BYTECODE_GENERATOR_H_ |
| |
| #include "src/ast.h" |
| #include "src/interpreter/bytecode-array-builder.h" |
| #include "src/interpreter/bytecodes.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace interpreter { |
| |
| class BytecodeGenerator : public AstVisitor { |
| public: |
| BytecodeGenerator(Isolate* isolate, Zone* zone); |
| virtual ~BytecodeGenerator(); |
| |
| Handle<BytecodeArray> MakeBytecode(CompilationInfo* info); |
| |
| #define DECLARE_VISIT(type) void Visit##type(type* node) override; |
| AST_NODE_LIST(DECLARE_VISIT) |
| #undef DECLARE_VISIT |
| |
| private: |
| class ControlScope; |
| class ControlScopeForIteration; |
| |
| DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); |
| |
| void VisitArithmeticExpression(BinaryOperation* binop); |
| void VisitPropertyLoad(Register obj, Property* expr); |
| void VisitVariableLoad(Variable* variable); |
| |
| // Dispatched from VisitUnaryOperation. |
| void VisitVoid(UnaryOperation* expr); |
| void VisitTypeOf(UnaryOperation* expr); |
| void VisitNot(UnaryOperation* expr); |
| |
| inline BytecodeArrayBuilder* builder() { return &builder_; } |
| inline Scope* scope() const { return scope_; } |
| inline void set_scope(Scope* scope) { scope_ = scope; } |
| inline ControlScope* control_scope() const { return control_scope_; } |
| inline void set_control_scope(ControlScope* scope) { control_scope_ = scope; } |
| inline CompilationInfo* info() const { return info_; } |
| inline void set_info(CompilationInfo* info) { info_ = info; } |
| |
| LanguageMode language_mode() const; |
| Strength language_mode_strength() const; |
| int feedback_index(FeedbackVectorSlot slot) const; |
| |
| BytecodeArrayBuilder builder_; |
| CompilationInfo* info_; |
| Scope* scope_; |
| ControlScope* control_scope_; |
| }; |
| |
| } // namespace interpreter |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_INTERPRETER_BYTECODE_GENERATOR_H_ |