mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
7f19f3d133
ExpressionStatement functions as glue between Statements and Expressions. This way it is possible to detect when the border between statements and expressions is crossed while walking the AST. Note that ExpressionStatement is not the only border, almost every statement can contains expressions.
121 lines
4.3 KiB
C++
121 lines
4.3 KiB
C++
/*
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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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/// Pretty-printer for the abstract syntax tree (the "pretty" is arguable) for debugging purposes.
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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(ExpressionStatement& _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(ExpressionStatement&) 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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