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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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45 // The result string is alive as long as the PrettyPrinter is alive. | 45 // The result string is alive as long as the PrettyPrinter is alive. |
46 const char* Print(AstNode* node); | 46 const char* Print(AstNode* node); |
47 const char* PrintExpression(FunctionLiteral* program); | 47 const char* PrintExpression(FunctionLiteral* program); |
48 const char* PrintProgram(FunctionLiteral* program); | 48 const char* PrintProgram(FunctionLiteral* program); |
49 | 49 |
50 void Print(const char* format, ...); | 50 void Print(const char* format, ...); |
51 | 51 |
52 // Print a node to stdout. | 52 // Print a node to stdout. |
53 static void PrintOut(AstNode* node); | 53 static void PrintOut(AstNode* node); |
54 | 54 |
55 virtual void VisitSlot(Slot* node); | |
56 // Individual nodes | 55 // Individual nodes |
57 #define DECLARE_VISIT(type) virtual void Visit##type(type* node); | 56 #define DECLARE_VISIT(type) virtual void Visit##type(type* node); |
58 AST_NODE_LIST(DECLARE_VISIT) | 57 AST_NODE_LIST(DECLARE_VISIT) |
59 #undef DECLARE_VISIT | 58 #undef DECLARE_VISIT |
60 | 59 |
61 private: | 60 private: |
62 char* output_; // output string buffer | 61 char* output_; // output string buffer |
63 int size_; // output_ size | 62 int size_; // output_ size |
64 int pos_; // current printing position | 63 int pos_; // current printing position |
65 | 64 |
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80 | 79 |
81 // Prints the AST structure | 80 // Prints the AST structure |
82 class AstPrinter: public PrettyPrinter { | 81 class AstPrinter: public PrettyPrinter { |
83 public: | 82 public: |
84 AstPrinter(); | 83 AstPrinter(); |
85 virtual ~AstPrinter(); | 84 virtual ~AstPrinter(); |
86 | 85 |
87 const char* PrintProgram(FunctionLiteral* program); | 86 const char* PrintProgram(FunctionLiteral* program); |
88 | 87 |
89 // Individual nodes | 88 // Individual nodes |
90 virtual void VisitSlot(Slot* node); | |
91 #define DECLARE_VISIT(type) virtual void Visit##type(type* node); | 89 #define DECLARE_VISIT(type) virtual void Visit##type(type* node); |
92 AST_NODE_LIST(DECLARE_VISIT) | 90 AST_NODE_LIST(DECLARE_VISIT) |
93 #undef DECLARE_VISIT | 91 #undef DECLARE_VISIT |
94 | 92 |
95 private: | 93 private: |
96 friend class IndentedScope; | 94 friend class IndentedScope; |
97 void PrintIndented(const char* txt); | 95 void PrintIndented(const char* txt); |
98 void PrintIndentedVisit(const char* s, AstNode* node); | 96 void PrintIndentedVisit(const char* s, AstNode* node); |
99 | 97 |
100 void PrintStatements(ZoneList<Statement*>* statements); | 98 void PrintStatements(ZoneList<Statement*>* statements); |
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156 AttributesScope* attributes() { return attributes_scope_; } | 154 AttributesScope* attributes() { return attributes_scope_; } |
157 void set_attributes(AttributesScope* scope) { attributes_scope_ = scope; } | 155 void set_attributes(AttributesScope* scope) { attributes_scope_ = scope; } |
158 | 156 |
159 // Add an attribute to the currently opened attributes. | 157 // Add an attribute to the currently opened attributes. |
160 void AddAttribute(const char* name, Handle<String> value); | 158 void AddAttribute(const char* name, Handle<String> value); |
161 void AddAttribute(const char* name, const char* value); | 159 void AddAttribute(const char* name, const char* value); |
162 void AddAttribute(const char* name, int value); | 160 void AddAttribute(const char* name, int value); |
163 void AddAttribute(const char* name, bool value); | 161 void AddAttribute(const char* name, bool value); |
164 | 162 |
165 // AST node visit functions. | 163 // AST node visit functions. |
166 virtual void VisitSlot(Slot* node); | |
167 #define DECLARE_VISIT(type) virtual void Visit##type(type* node); | 164 #define DECLARE_VISIT(type) virtual void Visit##type(type* node); |
168 AST_NODE_LIST(DECLARE_VISIT) | 165 AST_NODE_LIST(DECLARE_VISIT) |
169 #undef DECLARE_VISIT | 166 #undef DECLARE_VISIT |
170 | 167 |
171 private: | 168 private: |
172 int indent_; | 169 int indent_; |
173 TagScope* top_tag_scope_; | 170 TagScope* top_tag_scope_; |
174 AttributesScope* attributes_scope_; | 171 AttributesScope* attributes_scope_; |
175 | 172 |
176 // Utility function used by AddAttribute implementations. | 173 // Utility function used by AddAttribute implementations. |
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214 private: | 211 private: |
215 JsonAstBuilder* builder_; | 212 JsonAstBuilder* builder_; |
216 int attribute_count_; | 213 int attribute_count_; |
217 }; | 214 }; |
218 | 215 |
219 #endif // DEBUG | 216 #endif // DEBUG |
220 | 217 |
221 } } // namespace v8::internal | 218 } } // namespace v8::internal |
222 | 219 |
223 #endif // V8_PRETTYPRINTER_H_ | 220 #endif // V8_PRETTYPRINTER_H_ |
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