| // Copyright 2006-2008 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef V8_PRETTYPRINTER_H_ |
| #define V8_PRETTYPRINTER_H_ |
| |
| #include "ast.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| #ifdef DEBUG |
| |
| class PrettyPrinter: public AstVisitor { |
| public: |
| PrettyPrinter(); |
| virtual ~PrettyPrinter(); |
| |
| // The following routines print a node into a string. |
| // The result string is alive as long as the PrettyPrinter is alive. |
| const char* Print(Node* node); |
| const char* PrintExpression(FunctionLiteral* program); |
| const char* PrintProgram(FunctionLiteral* program); |
| |
| // Print a node to stdout. |
| static void PrintOut(Node* node); |
| |
| // Individual nodes |
| #define DEF_VISIT(type) \ |
| virtual void Visit##type(type* node); |
| NODE_LIST(DEF_VISIT) |
| #undef DEF_VISIT |
| |
| private: |
| char* output_; // output string buffer |
| int size_; // output_ size |
| int pos_; // current printing position |
| |
| protected: |
| void Init(); |
| void Print(const char* format, ...); |
| const char* Output() const { return output_; } |
| |
| virtual void PrintStatements(ZoneList<Statement*>* statements); |
| void PrintLabels(ZoneStringList* labels); |
| virtual void PrintArguments(ZoneList<Expression*>* arguments); |
| void PrintLiteral(Handle<Object> value, bool quote); |
| void PrintParameters(Scope* scope); |
| void PrintDeclarations(ZoneList<Declaration*>* declarations); |
| void PrintFunctionLiteral(FunctionLiteral* function); |
| void PrintCaseClause(CaseClause* clause); |
| }; |
| |
| |
| // Prints the AST structure |
| class AstPrinter: public PrettyPrinter { |
| public: |
| AstPrinter(); |
| virtual ~AstPrinter(); |
| |
| const char* PrintProgram(FunctionLiteral* program); |
| |
| // Individual nodes |
| #define DEF_VISIT(type) \ |
| virtual void Visit##type(type* node); |
| NODE_LIST(DEF_VISIT) |
| #undef DEF_VISIT |
| private: |
| friend class IndentedScope; |
| void PrintIndented(const char* txt); |
| void PrintIndentedVisit(const char* s, Node* node); |
| |
| void PrintStatements(ZoneList<Statement*>* statements); |
| void PrintDeclarations(ZoneList<Declaration*>* declarations); |
| void PrintParameters(Scope* scope); |
| void PrintArguments(ZoneList<Expression*>* arguments); |
| void PrintCaseClause(CaseClause* clause); |
| void PrintLiteralIndented(const char* info, Handle<Object> value, bool quote); |
| void PrintLiteralWithModeIndented(const char* info, |
| Variable* var, |
| Handle<Object> value, |
| SmiAnalysis* type); |
| void PrintLabelsIndented(const char* info, ZoneStringList* labels); |
| |
| void inc_indent() { indent_++; } |
| void dec_indent() { indent_--; } |
| |
| static int indent_; |
| }; |
| |
| #endif // DEBUG |
| |
| } } // namespace v8::internal |
| |
| #endif // V8_PRETTYPRINTER_H_ |