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117 lines
4.1 KiB
117 lines
4.1 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @author Christian <c@ethdev.com>
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* @date 2014
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* Pretty-printer for the abstract syntax tree (the "pretty" is arguable), used for debugging.
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*/
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#pragma once
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#include <ostream>
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#include <libsolidity/ASTVisitor.h>
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namespace dev
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{
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namespace solidity
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{
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class ASTPrinter: public ASTVisitor
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{
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public:
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/// Create a printer for the given abstract syntax tree. If the source is specified,
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/// the corresponding parts of the source are printed with each node.
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ASTPrinter(ASTPointer<ASTNode> const& _ast, const std::string& _source = std::string());
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/// Output the string representation of the AST to _stream.
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void print(std::ostream& _stream);
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bool visit(ContractDefinition& _node) override;
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bool visit(StructDefinition& _node) override;
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bool visit(ParameterList& _node) override;
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bool visit(FunctionDefinition& _node) override;
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bool visit(VariableDeclaration& _node) override;
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bool visit(TypeName& _node) override;
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bool visit(ElementaryTypeName& _node) override;
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bool visit(UserDefinedTypeName& _node) override;
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bool visit(Mapping& _node) override;
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bool visit(Statement& _node) override;
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bool visit(Block& _node) override;
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bool visit(IfStatement& _node) override;
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bool visit(BreakableStatement& _node) override;
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bool visit(WhileStatement& _node) override;
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bool visit(Continue& _node) override;
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bool visit(Break& _node) override;
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bool visit(Return& _node) override;
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bool visit(VariableDefinition& _node) override;
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bool visit(Expression& _node) override;
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bool visit(Assignment& _node) override;
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bool visit(UnaryOperation& _node) override;
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bool visit(BinaryOperation& _node) override;
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bool visit(FunctionCall& _node) override;
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bool visit(MemberAccess& _node) override;
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bool visit(IndexAccess& _node) override;
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bool visit(PrimaryExpression& _node) override;
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bool visit(Identifier& _node) override;
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bool visit(ElementaryTypeNameExpression& _node) override;
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bool visit(Literal& _node) override;
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void endVisit(ASTNode& _node) override;
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void endVisit(ContractDefinition&) override;
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void endVisit(StructDefinition&) override;
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void endVisit(ParameterList&) override;
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void endVisit(FunctionDefinition&) override;
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void endVisit(VariableDeclaration&) override;
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void endVisit(TypeName&) override;
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void endVisit(ElementaryTypeName&) override;
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void endVisit(UserDefinedTypeName&) override;
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void endVisit(Mapping&) override;
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void endVisit(Statement&) override;
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void endVisit(Block&) override;
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void endVisit(IfStatement&) override;
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void endVisit(BreakableStatement&) override;
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void endVisit(WhileStatement&) override;
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void endVisit(Continue&) override;
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void endVisit(Break&) override;
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void endVisit(Return&) override;
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void endVisit(VariableDefinition&) override;
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void endVisit(Expression&) override;
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void endVisit(Assignment&) override;
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void endVisit(UnaryOperation&) override;
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void endVisit(BinaryOperation&) override;
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void endVisit(FunctionCall&) override;
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void endVisit(MemberAccess&) override;
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void endVisit(IndexAccess&) override;
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void endVisit(PrimaryExpression&) override;
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void endVisit(Identifier&) override;
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void endVisit(ElementaryTypeNameExpression&) override;
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void endVisit(Literal&) override;
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private:
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void printSourcePart(ASTNode const& _node);
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void printType(Expression const& _expression);
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std::string getIndentation() const;
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void writeLine(std::string const& _line);
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bool goDeeper() { m_indentation++; return true; }
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int m_indentation;
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std::string m_source;
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ASTPointer<ASTNode> m_ast;
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std::ostream* m_ostream;
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};
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}
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}
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