solidity/libsolidity/ast/ASTPrinter.cpp at develop · compumatrix/solidity · GitHub

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This file is part of cpp-ethereum.

cpp-ethereum is free software: you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation, either version 3 of the License, or

(at your option) any later version.

cpp-ethereum is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.

/**

* @author Christian <c@ethdev.com>

* @date 2014

* Pretty-printer for the abstract syntax tree (the "pretty" is arguable), used for debugging.

#include <libsolidity/ast/ASTPrinter.h>

#include <boost/algorithm/string/join.hpp>

#include <libsolidity/ast/AST.h>

using namespace std;

namespace dev

{

namespace solidity

{

ASTPrinter::ASTPrinter(

ASTNode const& _ast,

string const& _source,

GasEstimator::ASTGasConsumption const& _gasCosts

): m_indentation(0), m_source(_source), m_ast(&_ast), m_gasCosts(_gasCosts)

{

}

void ASTPrinter::print(ostream& _stream)

{

m_ostream = &_stream;

m_ast->accept(*this);

m_ostream = nullptr;

}

bool ASTPrinter::visit(ImportDirective const& _node)

{

writeLine("ImportDirective \"" + _node.path() + "\"");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(ContractDefinition const& _node)

{

writeLine("ContractDefinition \"" + _node.name() + "\"");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(InheritanceSpecifier const& _node)

{

writeLine("InheritanceSpecifier");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(StructDefinition const& _node)

{

writeLine("StructDefinition \"" + _node.name() + "\"");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(EnumDefinition const& _node)

{

writeLine("EnumDefinition \"" + _node.name() + "\"");

return goDeeper();

}

bool ASTPrinter::visit(EnumValue const& _node)

{

writeLine("EnumValue \"" + _node.name() + "\"");

return goDeeper();

}

bool ASTPrinter::visit(ParameterList const& _node)

{

writeLine("ParameterList");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(FunctionDefinition const& _node)

{

writeLine("FunctionDefinition \"" + _node.name() + "\"" +

(_node.isPublic() ? " - public" : "") +

(_node.isDeclaredConst() ? " - const" : ""));

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(VariableDeclaration const& _node)

{

writeLine("VariableDeclaration \"" + _node.name() + "\"");

*m_ostream << indentation() << (

_node.annotation().type ?

string(" Type: ") + _node.annotation().type->toString() :

string(" Type unknown.")

) << "\n";

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(ModifierDefinition const& _node)

{

writeLine("ModifierDefinition \"" + _node.name() + "\"");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(ModifierInvocation const& _node)

{

writeLine("ModifierInvocation \"" + _node.name()->name() + "\"");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(EventDefinition const& _node)

{

writeLine("EventDefinition \"" + _node.name() + "\"");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(TypeName const& _node)

{

writeLine("TypeName");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(ElementaryTypeName const& _node)

{

writeLine(string("ElementaryTypeName ") + _node.typeName().toString());

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(UserDefinedTypeName const& _node)

{

writeLine("UserDefinedTypeName \"" + boost::algorithm::join(_node.namePath(), ".") + "\"");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(Mapping const& _node)

{

writeLine("Mapping");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(ArrayTypeName const& _node)

{

writeLine("ArrayTypeName");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(InlineAssembly const& _node)

{

writeLine("InlineAssembly");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(Block const& _node)

{

writeLine("Block");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(PlaceholderStatement const& _node)

{

writeLine("PlaceholderStatement");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(IfStatement const& _node)

{

writeLine("IfStatement");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(WhileStatement const& _node)

{

writeLine("WhileStatement");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(ForStatement const& _node)

{

writeLine("ForStatement");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(Continue const& _node)

{

writeLine("Continue");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(Break const& _node)

{

writeLine("Break");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(Return const& _node)

{

writeLine("Return");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(Throw const& _node)

{

writeLine("Throw");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(VariableDeclarationStatement const& _node)

{

writeLine("VariableDeclarationStatement");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(ExpressionStatement const& _node)

{

writeLine("ExpressionStatement");

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(Conditional const& _node)

{

writeLine("Conditional");

printType(_node);

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(Assignment const& _node)

{

writeLine(string("Assignment using operator ") + Token::toString(_node.assignmentOperator()));

printType(_node);

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(TupleExpression const& _node)

{

writeLine(string("TupleExpression"));

printType(_node);

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(UnaryOperation const& _node)

{

writeLine(string("UnaryOperation (") + (_node.isPrefixOperation() ? "prefix" : "postfix") +

") " + Token::toString(_node.getOperator()));

printType(_node);

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(BinaryOperation const& _node)

{

writeLine(string("BinaryOperation using operator ") + Token::toString(_node.getOperator()));

printType(_node);

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(FunctionCall const& _node)

{

writeLine("FunctionCall");

printType(_node);

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(NewExpression const& _node)

{

writeLine("NewExpression");

printType(_node);

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(MemberAccess const& _node)

{

writeLine("MemberAccess to member " + _node.memberName());

printType(_node);

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(IndexAccess const& _node)

{

writeLine("IndexAccess");

printType(_node);

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(Identifier const& _node)

{

writeLine(string("Identifier ") + _node.name());

printType(_node);

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(ElementaryTypeNameExpression const& _node)

{

writeLine(string("ElementaryTypeNameExpression ") + _node.typeName().toString());

printType(_node);

printSourcePart(_node);

return goDeeper();

}

bool ASTPrinter::visit(Literal const& _node)

{

char const* tokenString = Token::toString(_node.token());

if (!tokenString)

tokenString = "[no token]";

writeLine(string("Literal, token: ") + tokenString + " value: " + _node.value());

printType(_node);

printSourcePart(_node);

return goDeeper();

}

void ASTPrinter::endVisit(ImportDirective const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(ContractDefinition const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(InheritanceSpecifier const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(StructDefinition const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(EnumDefinition const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(EnumValue const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(ParameterList const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(FunctionDefinition const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(VariableDeclaration const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(ModifierDefinition const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(ModifierInvocation const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(EventDefinition const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(TypeName const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(ElementaryTypeName const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(UserDefinedTypeName const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(Mapping const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(ArrayTypeName const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(InlineAssembly const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(Block const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(PlaceholderStatement const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(IfStatement const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(WhileStatement const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(ForStatement const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(Continue const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(Break const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(Return const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(Throw const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(VariableDeclarationStatement const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(ExpressionStatement const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(Conditional const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(Assignment const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(TupleExpression const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(UnaryOperation const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(BinaryOperation const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(FunctionCall const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(NewExpression const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(MemberAccess const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(IndexAccess const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(Identifier const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(ElementaryTypeNameExpression const&)

{

m_indentation--;

}

void ASTPrinter::endVisit(Literal const&)

{

m_indentation--;

}

void ASTPrinter::printSourcePart(ASTNode const& _node)

{

if (m_gasCosts.count(&_node))

*m_ostream << indentation() << " Gas costs: " << m_gasCosts.at(&_node) << endl;

if (!m_source.empty())

{

SourceLocation const& location(_node.location());

*m_ostream << indentation() << " Source: "

<< escaped(m_source.substr(location.start, location.end - location.start), false) << endl;

}

void ASTPrinter::printType(Expression const& _expression)

{

if (_expression.annotation().type)

*m_ostream << indentation() << " Type: " << _expression.annotation().type->toString() << "\n";

else

*m_ostream << indentation() << " Type unknown.\n";

}

string ASTPrinter::indentation() const

{

return string(m_indentation * 2, ' ');

}

void ASTPrinter::writeLine(string const& _line)

{

*m_ostream << indentation() << _line << endl;

}

solidity/libsolidity/ast/ASTPrinter.cpp at develop · compumatrix/solidity · GitHub

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