13ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch// Copyright 2012 the V8 project authors. All rights reserved. 2a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Redistribution and use in source and binary forms, with or without 3a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// modification, are permitted provided that the following conditions are 4a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// met: 5a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 6a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions of source code must retain the above copyright 7a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// notice, this list of conditions and the following disclaimer. 8a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions in binary form must reproduce the above 9a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// copyright notice, this list of conditions and the following 10a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// disclaimer in the documentation and/or other materials provided 11a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// with the distribution. 12a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Neither the name of Google Inc. nor the names of its 13a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// contributors may be used to endorse or promote products derived 14a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// from this software without specific prior written permission. 15a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 16a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 28a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#ifndef V8_PRETTYPRINTER_H_ 29a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#define V8_PRETTYPRINTER_H_ 30a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 31257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch#include "allocation.h" 32a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "ast.h" 33a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 34a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocknamespace v8 { 35a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocknamespace internal { 36a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 37a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#ifdef DEBUG 38a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 39a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockclass PrettyPrinter: public AstVisitor { 40a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block public: 41a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block PrettyPrinter(); 42a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block virtual ~PrettyPrinter(); 43a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 44a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // The following routines print a node into a string. 45a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // The result string is alive as long as the PrettyPrinter is alive. 46a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block const char* Print(AstNode* node); 47a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block const char* PrintExpression(FunctionLiteral* program); 48a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block const char* PrintProgram(FunctionLiteral* program); 49a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 503ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block void Print(const char* format, ...); 513ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 52a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Print a node to stdout. 53a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static void PrintOut(AstNode* node); 54a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 55a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Individual nodes 563ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block#define DECLARE_VISIT(type) virtual void Visit##type(type* node); 573ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block AST_NODE_LIST(DECLARE_VISIT) 583ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block#undef DECLARE_VISIT 59a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 60a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block private: 61a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block char* output_; // output string buffer 62a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block int size_; // output_ size 63a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block int pos_; // current printing position 64a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 65a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block protected: 66a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void Init(); 67a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block const char* Output() const { return output_; } 68a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 69a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block virtual void PrintStatements(ZoneList<Statement*>* statements); 70a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintLabels(ZoneStringList* labels); 71a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block virtual void PrintArguments(ZoneList<Expression*>* arguments); 72a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintLiteral(Handle<Object> value, bool quote); 73a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintParameters(Scope* scope); 74a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintDeclarations(ZoneList<Declaration*>* declarations); 75a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintFunctionLiteral(FunctionLiteral* function); 76a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintCaseClause(CaseClause* clause); 77a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block}; 78a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 79a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 80a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Prints the AST structure 81a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockclass AstPrinter: public PrettyPrinter { 82a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block public: 83a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block AstPrinter(); 84a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block virtual ~AstPrinter(); 85a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 86a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block const char* PrintProgram(FunctionLiteral* program); 87a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 88a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Individual nodes 893ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block#define DECLARE_VISIT(type) virtual void Visit##type(type* node); 903ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block AST_NODE_LIST(DECLARE_VISIT) 913ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block#undef DECLARE_VISIT 92b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch 93a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block private: 94a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block friend class IndentedScope; 95a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintIndented(const char* txt); 96a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintIndentedVisit(const char* s, AstNode* node); 97a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 98a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintStatements(ZoneList<Statement*>* statements); 99a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintDeclarations(ZoneList<Declaration*>* declarations); 100a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintParameters(Scope* scope); 101a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintArguments(ZoneList<Expression*>* arguments); 102a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintCaseClause(CaseClause* clause); 103a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintLiteralIndented(const char* info, Handle<Object> value, bool quote); 104a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintLiteralWithModeIndented(const char* info, 105a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Variable* var, 1068b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch Handle<Object> value); 107a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void PrintLabelsIndented(const char* info, ZoneStringList* labels); 108a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 109a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void inc_indent() { indent_++; } 110a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void dec_indent() { indent_--; } 111a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 11244f0eee88ff00398ff7f715fab053374d808c90dSteve Block int indent_; 113a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block}; 114a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 115a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#endif // DEBUG 116a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 117a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} } // namespace v8::internal 118a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 119a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#endif // V8_PRETTYPRINTER_H_ 120