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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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31 #include "allocation.h" | 31 #include "allocation.h" |
32 #include "ast.h" | 32 #include "ast.h" |
33 | 33 |
34 namespace v8 { | 34 namespace v8 { |
35 namespace internal { | 35 namespace internal { |
36 | 36 |
37 #ifdef DEBUG | 37 #ifdef DEBUG |
38 | 38 |
39 class PrettyPrinter: public AstVisitor { | 39 class PrettyPrinter: public AstVisitor { |
40 public: | 40 public: |
41 PrettyPrinter(); | 41 explicit PrettyPrinter(Isolate* isolate); |
42 virtual ~PrettyPrinter(); | 42 virtual ~PrettyPrinter(); |
43 | 43 |
44 // The following routines print a node into a string. | 44 // The following routines print a node into a string. |
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(Isolate* isolate, AstNode* node); |
54 | 54 |
55 // Individual nodes | 55 // Individual nodes |
56 #define DECLARE_VISIT(type) virtual void Visit##type(type* node); | 56 #define DECLARE_VISIT(type) virtual void Visit##type(type* node); |
57 AST_NODE_LIST(DECLARE_VISIT) | 57 AST_NODE_LIST(DECLARE_VISIT) |
58 #undef DECLARE_VISIT | 58 #undef DECLARE_VISIT |
59 | 59 |
60 private: | 60 private: |
61 char* output_; // output string buffer | 61 char* output_; // output string buffer |
62 int size_; // output_ size | 62 int size_; // output_ size |
63 int pos_; // current printing position | 63 int pos_; // current printing position |
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75 void PrintFunctionLiteral(FunctionLiteral* function); | 75 void PrintFunctionLiteral(FunctionLiteral* function); |
76 void PrintCaseClause(CaseClause* clause); | 76 void PrintCaseClause(CaseClause* clause); |
77 | 77 |
78 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); | 78 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); |
79 }; | 79 }; |
80 | 80 |
81 | 81 |
82 // Prints the AST structure | 82 // Prints the AST structure |
83 class AstPrinter: public PrettyPrinter { | 83 class AstPrinter: public PrettyPrinter { |
84 public: | 84 public: |
85 AstPrinter(); | 85 explicit AstPrinter(Isolate* isolate); |
86 virtual ~AstPrinter(); | 86 virtual ~AstPrinter(); |
87 | 87 |
88 const char* PrintProgram(FunctionLiteral* program); | 88 const char* PrintProgram(FunctionLiteral* program); |
89 | 89 |
90 // Individual nodes | 90 // Individual nodes |
91 #define DECLARE_VISIT(type) virtual void Visit##type(type* node); | 91 #define DECLARE_VISIT(type) virtual void Visit##type(type* node); |
92 AST_NODE_LIST(DECLARE_VISIT) | 92 AST_NODE_LIST(DECLARE_VISIT) |
93 #undef DECLARE_VISIT | 93 #undef DECLARE_VISIT |
94 | 94 |
95 private: | 95 private: |
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112 void dec_indent() { indent_--; } | 112 void dec_indent() { indent_--; } |
113 | 113 |
114 int indent_; | 114 int indent_; |
115 }; | 115 }; |
116 | 116 |
117 #endif // DEBUG | 117 #endif // DEBUG |
118 | 118 |
119 } } // namespace v8::internal | 119 } } // namespace v8::internal |
120 | 120 |
121 #endif // V8_PRETTYPRINTER_H_ | 121 #endif // V8_PRETTYPRINTER_H_ |
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