bd8df839c6
This makes IndentedScope the single point where we can print additional info in the future, like e.g. AST IDs (at least when the TODOs are fixed). Minor other cleanups. R=mvstanton@chromium.org Review URL: https://codereview.chromium.org/15060005 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14592 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
// Copyright 2012 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef V8_PRETTYPRINTER_H_
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#define V8_PRETTYPRINTER_H_
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#include "allocation.h"
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#include "ast.h"
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namespace v8 {
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namespace internal {
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#ifdef DEBUG
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class PrettyPrinter: public AstVisitor {
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public:
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PrettyPrinter();
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virtual ~PrettyPrinter();
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// The following routines print a node into a string.
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// The result string is alive as long as the PrettyPrinter is alive.
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const char* Print(AstNode* node);
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const char* PrintExpression(FunctionLiteral* program);
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const char* PrintProgram(FunctionLiteral* program);
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void Print(const char* format, ...);
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// Print a node to stdout.
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static void PrintOut(AstNode* node);
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// Individual nodes
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#define DECLARE_VISIT(type) virtual void Visit##type(type* node);
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AST_NODE_LIST(DECLARE_VISIT)
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#undef DECLARE_VISIT
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private:
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char* output_; // output string buffer
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int size_; // output_ size
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int pos_; // current printing position
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protected:
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void Init();
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const char* Output() const { return output_; }
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virtual void PrintStatements(ZoneList<Statement*>* statements);
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void PrintLabels(ZoneStringList* labels);
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virtual void PrintArguments(ZoneList<Expression*>* arguments);
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void PrintLiteral(Handle<Object> value, bool quote);
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void PrintParameters(Scope* scope);
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void PrintDeclarations(ZoneList<Declaration*>* declarations);
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void PrintFunctionLiteral(FunctionLiteral* function);
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void PrintCaseClause(CaseClause* clause);
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DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
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};
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// Prints the AST structure
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class AstPrinter: public PrettyPrinter {
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public:
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AstPrinter();
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virtual ~AstPrinter();
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const char* PrintProgram(FunctionLiteral* program);
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// Individual nodes
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#define DECLARE_VISIT(type) virtual void Visit##type(type* node);
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AST_NODE_LIST(DECLARE_VISIT)
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#undef DECLARE_VISIT
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private:
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friend class IndentedScope;
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void PrintIndented(const char* txt);
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void PrintIndentedVisit(const char* s, AstNode* node);
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void PrintStatements(ZoneList<Statement*>* statements);
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void PrintDeclarations(ZoneList<Declaration*>* declarations);
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void PrintParameters(Scope* scope);
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void PrintArguments(ZoneList<Expression*>* arguments);
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void PrintCaseClause(CaseClause* clause);
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void PrintLiteralIndented(const char* info, Handle<Object> value, bool quote);
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void PrintLiteralWithModeIndented(const char* info,
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Variable* var,
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Handle<Object> value);
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void PrintLabelsIndented(ZoneStringList* labels);
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void inc_indent() { indent_++; }
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void dec_indent() { indent_--; }
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int indent_;
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};
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#endif // DEBUG
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} } // namespace v8::internal
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#endif // V8_PRETTYPRINTER_H_
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