ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 1 | // Copyright 2006-2008 the V8 project authors. All rights reserved. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #ifndef V8_PRETTYPRINTER_H_ |
| 29 | #define V8_PRETTYPRINTER_H_ |
| 30 | |
| 31 | #include "ast.h" |
| 32 | |
| 33 | namespace v8 { namespace internal { |
| 34 | |
| 35 | #ifdef DEBUG |
| 36 | |
| 37 | class PrettyPrinter: public Visitor { |
| 38 | public: |
| 39 | PrettyPrinter(); |
| 40 | virtual ~PrettyPrinter(); |
| 41 | |
| 42 | // The following routines print a node into a string. |
| 43 | // The result string is alive as long as the PrettyPrinter is alive. |
| 44 | const char* Print(Node* node); |
| 45 | const char* PrintExpression(FunctionLiteral* program); |
| 46 | const char* PrintProgram(FunctionLiteral* program); |
| 47 | |
| 48 | // Print a node to stdout. |
| 49 | static void PrintOut(Node* node); |
| 50 | |
| 51 | // Individual nodes |
| 52 | #define DEF_VISIT(type) \ |
| 53 | virtual void Visit##type(type* node); |
| 54 | NODE_LIST(DEF_VISIT) |
| 55 | #undef DEF_VISIT |
| 56 | |
| 57 | private: |
| 58 | char* output_; // output string buffer |
| 59 | int size_; // output_ size |
| 60 | int pos_; // current printing position |
| 61 | |
| 62 | protected: |
| 63 | void Init(); |
| 64 | void Print(const char* format, ...); |
| 65 | const char* Output() const { return output_; } |
| 66 | |
| 67 | virtual void PrintStatements(ZoneList<Statement*>* statements); |
| 68 | void PrintLabels(ZoneStringList* labels); |
| 69 | virtual void PrintArguments(ZoneList<Expression*>* arguments); |
| 70 | void PrintLiteral(Handle<Object> value, bool quote); |
| 71 | void PrintParameters(Scope* scope); |
| 72 | void PrintDeclarations(ZoneList<Declaration*>* declarations); |
| 73 | void PrintFunctionLiteral(FunctionLiteral* function); |
| 74 | void PrintCaseClause(CaseClause* clause); |
| 75 | }; |
| 76 | |
| 77 | |
| 78 | // Prints the AST structure |
| 79 | class AstPrinter: public PrettyPrinter { |
| 80 | public: |
| 81 | AstPrinter(); |
| 82 | virtual ~AstPrinter(); |
| 83 | |
| 84 | const char* PrintProgram(FunctionLiteral* program); |
| 85 | |
| 86 | // Individual nodes |
| 87 | #define DEF_VISIT(type) \ |
| 88 | virtual void Visit##type(type* node); |
| 89 | NODE_LIST(DEF_VISIT) |
| 90 | #undef DEF_VISIT |
| 91 | private: |
| 92 | friend class IndentedScope; |
| 93 | void PrintIndented(const char* txt); |
| 94 | void PrintIndentedVisit(const char* s, Node* node); |
| 95 | |
| 96 | void PrintStatements(ZoneList<Statement*>* statements); |
| 97 | void PrintDeclarations(ZoneList<Declaration*>* declarations); |
| 98 | void PrintParameters(Scope* scope); |
| 99 | void PrintArguments(ZoneList<Expression*>* arguments); |
| 100 | void PrintCaseClause(CaseClause* clause); |
| 101 | void PrintLiteralIndented(const char* info, Handle<Object> value, bool quote); |
| 102 | void PrintLiteralWithModeIndented(const char* info, |
| 103 | Variable* var, |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 104 | Handle<Object> value, |
| 105 | StaticType* type); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 106 | void PrintLabelsIndented(const char* info, ZoneStringList* labels); |
| 107 | |
| 108 | void inc_indent() { indent_++; } |
| 109 | void dec_indent() { indent_--; } |
| 110 | |
| 111 | static int indent_; |
| 112 | }; |
| 113 | |
| 114 | #endif // DEBUG |
| 115 | |
| 116 | } } // namespace v8::internal |
| 117 | |
| 118 | #endif // V8_PRETTYPRINTER_H_ |