OLD | NEW |
1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 #ifndef V8_AST_H_ | 5 #ifndef V8_AST_H_ |
6 #define V8_AST_H_ | 6 #define V8_AST_H_ |
7 | 7 |
8 #include "src/assembler.h" | 8 #include "src/assembler.h" |
9 #include "src/ast-value-factory.h" | 9 #include "src/ast-value-factory.h" |
10 #include "src/bailout-reason.h" | 10 #include "src/bailout-reason.h" |
(...skipping 3152 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
3163 virtual void VisitExpressions(ZoneList<Expression*>* expressions); | 3163 virtual void VisitExpressions(ZoneList<Expression*>* expressions); |
3164 | 3164 |
3165 // Individual AST nodes. | 3165 // Individual AST nodes. |
3166 #define DEF_VISIT(type) \ | 3166 #define DEF_VISIT(type) \ |
3167 virtual void Visit##type(type* node) = 0; | 3167 virtual void Visit##type(type* node) = 0; |
3168 AST_NODE_LIST(DEF_VISIT) | 3168 AST_NODE_LIST(DEF_VISIT) |
3169 #undef DEF_VISIT | 3169 #undef DEF_VISIT |
3170 }; | 3170 }; |
3171 | 3171 |
3172 | 3172 |
3173 #define DEFINE_AST_VISITOR_SUBCLASS_MEMBERS() \ | 3173 #define DEFINE_AST_VISITOR_SUBCLASS_MEMBERS() \ |
3174 public: \ | 3174 public: \ |
3175 void Visit(AstNode* node) final { \ | 3175 void Visit(AstNode* node) final { \ |
3176 if (!CheckStackOverflow()) node->Accept(this); \ | 3176 if (!CheckStackOverflow()) node->Accept(this); \ |
3177 } \ | 3177 } \ |
3178 \ | 3178 \ |
3179 void SetStackOverflow() { stack_overflow_ = true; } \ | 3179 void SetStackOverflow() { stack_overflow_ = true; } \ |
3180 void ClearStackOverflow() { stack_overflow_ = false; } \ | 3180 void ClearStackOverflow() { stack_overflow_ = false; } \ |
3181 bool HasStackOverflow() const { return stack_overflow_; } \ | 3181 bool HasStackOverflow() const { return stack_overflow_; } \ |
3182 \ | 3182 \ |
3183 bool CheckStackOverflow() { \ | 3183 bool CheckStackOverflow() { \ |
3184 if (stack_overflow_) return true; \ | 3184 if (stack_overflow_) return true; \ |
3185 if (GetCurrentStackPosition() < stack_limit_) { \ | 3185 if (GetCurrentStackPosition() < stack_limit_) { \ |
3186 stack_overflow_ = true; \ | 3186 stack_overflow_ = true; \ |
3187 return true; \ | 3187 return true; \ |
3188 } \ | 3188 } \ |
3189 return false; \ | 3189 return false; \ |
3190 } \ | 3190 } \ |
3191 \ | 3191 \ |
3192 private: \ | 3192 private: \ |
3193 void InitializeAstVisitor(Isolate* isolate) { \ | 3193 void InitializeAstVisitor(Isolate* isolate) { \ |
3194 stack_limit_ = isolate->stack_guard()->real_climit(); \ | 3194 InitializeAstVisitor(isolate->stack_guard()->real_climit()); \ |
3195 stack_overflow_ = false; \ | 3195 } \ |
3196 } \ | 3196 \ |
3197 \ | 3197 void InitializeAstVisitor(uintptr_t stack_limit) { \ |
3198 uintptr_t stack_limit_; \ | 3198 stack_limit_ = stack_limit; \ |
| 3199 stack_overflow_ = false; \ |
| 3200 } \ |
| 3201 \ |
| 3202 uintptr_t stack_limit_; \ |
3199 bool stack_overflow_ | 3203 bool stack_overflow_ |
3200 | 3204 |
3201 | 3205 |
3202 // ---------------------------------------------------------------------------- | 3206 // ---------------------------------------------------------------------------- |
3203 // AstNode factory | 3207 // AstNode factory |
3204 | 3208 |
3205 class AstNodeFactory final BASE_EMBEDDED { | 3209 class AstNodeFactory final BASE_EMBEDDED { |
3206 public: | 3210 public: |
3207 explicit AstNodeFactory(AstValueFactory* ast_value_factory) | 3211 explicit AstNodeFactory(AstValueFactory* ast_value_factory) |
3208 : local_zone_(ast_value_factory->zone()), | 3212 : local_zone_(ast_value_factory->zone()), |
(...skipping 424 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
3633 // the parser-level zone. | 3637 // the parser-level zone. |
3634 Zone* parser_zone_; | 3638 Zone* parser_zone_; |
3635 AstValueFactory* ast_value_factory_; | 3639 AstValueFactory* ast_value_factory_; |
3636 }; | 3640 }; |
3637 | 3641 |
3638 | 3642 |
3639 } // namespace internal | 3643 } // namespace internal |
3640 } // namespace v8 | 3644 } // namespace v8 |
3641 | 3645 |
3642 #endif // V8_AST_H_ | 3646 #endif // V8_AST_H_ |
OLD | NEW |