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143 lines
5.7 KiB
143 lines
5.7 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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/**
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* Pretty-printer for the abstract syntax tree (the "pretty" is arguable) for debugging purposes.
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*/
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class ASTPrinter: public ASTConstVisitor
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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(ASTNode const& _ast, std::string const& _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(ImportDirective const& _node) override;
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bool visit(ContractDefinition const& _node) override;
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bool visit(InheritanceSpecifier const& _node) override;
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bool visit(StructDefinition const& _node) override;
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bool visit(EnumDefinition const& _node) override;
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bool visit(EnumValue const& _node) override;
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bool visit(ParameterList const& _node) override;
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bool visit(FunctionDefinition const& _node) override;
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bool visit(VariableDeclaration const& _node) override;
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bool visit(ModifierDefinition const& _node) override;
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bool visit(ModifierInvocation const& _node) override;
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bool visit(EventDefinition const& _node) override;
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bool visit(TypeName const& _node) override;
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bool visit(ElementaryTypeName const& _node) override;
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bool visit(UserDefinedTypeName const& _node) override;
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bool visit(Mapping const& _node) override;
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bool visit(ArrayTypeName const& _node) override;
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bool visit(Statement const& _node) override;
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bool visit(Block const& _node) override;
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bool visit(PlaceholderStatement const& _node) override;
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bool visit(IfStatement const& _node) override;
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bool visit(BreakableStatement const& _node) override;
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bool visit(WhileStatement const& _node) override;
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bool visit(ForStatement const& _node) override;
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bool visit(Continue const& _node) override;
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bool visit(Break const& _node) override;
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bool visit(Return const& _node) override;
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bool visit(VariableDeclarationStatement const& _node) override;
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bool visit(ExpressionStatement const& _node) override;
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bool visit(Expression const& _node) override;
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bool visit(Assignment const& _node) override;
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bool visit(UnaryOperation const& _node) override;
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bool visit(BinaryOperation const& _node) override;
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bool visit(FunctionCall const& _node) override;
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bool visit(NewExpression const& _node) override;
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bool visit(MemberAccess const& _node) override;
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bool visit(IndexAccess const& _node) override;
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bool visit(PrimaryExpression const& _node) override;
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bool visit(Identifier const& _node) override;
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bool visit(ElementaryTypeNameExpression const& _node) override;
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bool visit(Literal const& _node) override;
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void endVisit(ImportDirective const&) override;
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void endVisit(ContractDefinition const&) override;
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void endVisit(InheritanceSpecifier const&) override;
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void endVisit(StructDefinition const&) override;
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void endVisit(EnumDefinition const&) override;
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void endVisit(EnumValue const&) override;
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void endVisit(ParameterList const&) override;
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void endVisit(FunctionDefinition const&) override;
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void endVisit(VariableDeclaration const&) override;
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void endVisit(ModifierDefinition const&) override;
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void endVisit(ModifierInvocation const&) override;
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void endVisit(EventDefinition const&) override;
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void endVisit(TypeName const&) override;
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void endVisit(ElementaryTypeName const&) override;
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void endVisit(UserDefinedTypeName const&) override;
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void endVisit(Mapping const&) override;
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void endVisit(ArrayTypeName const&) override;
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void endVisit(Statement const&) override;
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void endVisit(Block const&) override;
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void endVisit(PlaceholderStatement const&) override;
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void endVisit(IfStatement const&) override;
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void endVisit(BreakableStatement const&) override;
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void endVisit(WhileStatement const&) override;
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void endVisit(ForStatement const&) override;
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void endVisit(Continue const&) override;
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void endVisit(Break const&) override;
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void endVisit(Return const&) override;
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void endVisit(VariableDeclarationStatement const&) override;
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void endVisit(ExpressionStatement const&) override;
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void endVisit(Expression const&) override;
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void endVisit(Assignment const&) override;
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void endVisit(UnaryOperation const&) override;
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void endVisit(BinaryOperation const&) override;
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void endVisit(FunctionCall const&) override;
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void endVisit(NewExpression const&) override;
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void endVisit(MemberAccess const&) override;
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void endVisit(IndexAccess const&) override;
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void endVisit(PrimaryExpression const&) override;
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void endVisit(Identifier const&) override;
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void endVisit(ElementaryTypeNameExpression const&) override;
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void endVisit(Literal const&) 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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ASTNode const* 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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