path: root/libyul/optimiser/ASTWalker.cpp

/*
    This file is part of solidity.

    solidity 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.

    solidity 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 solidity.  If not, see <http://www.gnu.org/licenses/>.
*/
/**
 * Generic AST walker.
 */

#include <libyul/optimiser/ASTWalker.h>

#include <libsolidity/inlineasm/AsmData.h>

#include <boost/range/adaptor/reversed.hpp>

using namespace std;
using namespace dev;
using namespace dev::yul;
using namespace dev::solidity;


void ASTWalker::operator()(FunctionalInstruction const& _instr)
{
    walkVector(_instr.arguments | boost::adaptors::reversed);
}

void ASTWalker::operator()(FunctionCall const& _funCall)
{
    walkVector(_funCall.arguments | boost::adaptors::reversed);
}

void ASTWalker::operator()(ExpressionStatement const& _statement)
{
    visit(_statement.expression);
}

void ASTWalker::operator()(Assignment const& _assignment)
{
    for (auto const& name: _assignment.variableNames)
        (*this)(name);
    visit(*_assignment.value);
}

void ASTWalker::operator()(VariableDeclaration const& _varDecl)
{
    if (_varDecl.value)
        visit(*_varDecl.value);
}

void ASTWalker::operator()(If const& _if)
{
    visit(*_if.condition);
    (*this)(_if.body);
}

void ASTWalker::operator()(Switch const& _switch)
{
    visit(*_switch.expression);
    for (auto const& _case: _switch.cases)
    {
        if (_case.value)
            (*this)(*_case.value);
        (*this)(_case.body);
    }
}

void ASTWalker::operator()(FunctionDefinition const& _fun)
{
    (*this)(_fun.body);
}

void ASTWalker::operator()(ForLoop const& _for)
{
    (*this)(_for.pre);
    visit(*_for.condition);
    (*this)(_for.body);
    (*this)(_for.post);
}

void ASTWalker::operator()(Block const& _block)
{
    walkVector(_block.statements);
}

void ASTModifier::operator()(FunctionalInstruction& _instr)
{
    walkVector(_instr.arguments | boost::adaptors::reversed);
}

void ASTModifier::operator()(FunctionCall& _funCall)
{
    walkVector(_funCall.arguments | boost::adaptors::reversed);
}

void ASTModifier::operator()(ExpressionStatement& _statement)
{
    visit(_statement.expression);
}

void ASTModifier::operator()(Assignment& _assignment)
{
    for (auto& name: _assignment.variableNames)
        (*this)(name);
    visit(*_assignment.value);
}

void ASTModifier::operator()(VariableDeclaration& _varDecl)
{
    if (_varDecl.value)
        visit(*_varDecl.value);
}

void ASTModifier::operator()(If& _if)
{
    visit(*_if.condition);
    (*this)(_if.body);
}

void ASTModifier::operator()(Switch& _switch)
{
    visit(*_switch.expression);
    for (auto& _case: _switch.cases)
    {
        if (_case.value)
            (*this)(*_case.value);
        (*this)(_case.body);
    }
}

void ASTModifier::operator()(FunctionDefinition& _fun)
{
    (*this)(_fun.body);
}

void ASTModifier::operator()(ForLoop& _for)
{
    (*this)(_for.pre);
    visit(*_for.condition);
    (*this)(_for.post);
    (*this)(_for.body);
}

void ASTModifier::operator()(Block& _block)
{
    walkVector(_block.statements);
}