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/*
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/>.
*/
/**
* Creates an independent copy of an AST, renaming identifiers to be unique.
*/
#include <libyul/optimiser/ASTCopier.h>
#include <libyul/Exceptions.h>
#include <libsolidity/inlineasm/AsmData.h>
#include <libdevcore/Common.h>
using namespace std;
using namespace dev;
using namespace dev::yul;
Statement ASTCopier::operator()(Instruction const&)
{
assertThrow(false, OptimizerException, "Invalid operation.");
return {};
}
Statement ASTCopier::operator()(ExpressionStatement const& _statement)
{
return ExpressionStatement{ _statement.location, translate(_statement.expression) };
}
Statement ASTCopier::operator()(VariableDeclaration const& _varDecl)
{
return VariableDeclaration{
_varDecl.location,
translateVector(_varDecl.variables),
translate(_varDecl.value)
};
}
Statement ASTCopier::operator()(Assignment const& _assignment)
{
return Assignment{
_assignment.location,
translateVector(_assignment.variableNames),
translate(_assignment.value)
};
}
Statement ASTCopier::operator()(StackAssignment const&)
{
assertThrow(false, OptimizerException, "Invalid operation.");
return {};
}
Statement ASTCopier::operator()(Label const&)
{
assertThrow(false, OptimizerException, "Invalid operation.");
return {};
}
Expression ASTCopier::operator()(FunctionCall const& _call)
{
return FunctionCall{
_call.location,
translate(_call.functionName),
translateVector(_call.arguments)
};
}
Expression ASTCopier::operator()(FunctionalInstruction const& _instruction)
{
return FunctionalInstruction{
_instruction.location,
_instruction.instruction,
translateVector(_instruction.arguments)
};
}
Expression ASTCopier::operator()(Identifier const& _identifier)
{
return Identifier{_identifier.location, translateIdentifier(_identifier.name)};
}
Expression ASTCopier::operator()(Literal const& _literal)
{
return translate(_literal);
}
Statement ASTCopier::operator()(If const& _if)
{
return If{_if.location, translate(_if.condition), translate(_if.body)};
}
Statement ASTCopier::operator()(Switch const& _switch)
{
return Switch{_switch.location, translate(_switch.expression), translateVector(_switch.cases)};
}
Statement ASTCopier::operator()(FunctionDefinition const& _function)
{
YulString translatedName = translateIdentifier(_function.name);
enterFunction(_function);
ScopeGuard g([&]() { this->leaveFunction(_function); });
return FunctionDefinition{
_function.location,
translatedName,
translateVector(_function.parameters),
translateVector(_function.returnVariables),
translate(_function.body)
};
}
Statement ASTCopier::operator()(ForLoop const& _forLoop)
{
enterScope(_forLoop.pre);
ScopeGuard g([&]() { this->leaveScope(_forLoop.pre); });
return ForLoop{
_forLoop.location,
translate(_forLoop.pre),
translate(_forLoop.condition),
translate(_forLoop.post),
translate(_forLoop.body)
};
}
Statement ASTCopier::operator ()(Block const& _block)
{
return translate(_block);
}
Expression ASTCopier::translate(Expression const& _expression)
{
return _expression.apply_visitor(static_cast<ExpressionCopier&>(*this));
}
Statement ASTCopier::translate(Statement const& _statement)
{
return _statement.apply_visitor(static_cast<StatementCopier&>(*this));
}
Block ASTCopier::translate(Block const& _block)
{
enterScope(_block);
ScopeGuard g([&]() { this->leaveScope(_block); });
return Block{_block.location, translateVector(_block.statements)};
}
Case ASTCopier::translate(Case const& _case)
{
return Case{_case.location, translate(_case.value), translate(_case.body)};
}
Identifier ASTCopier::translate(Identifier const& _identifier)
{
return Identifier{_identifier.location, translateIdentifier(_identifier.name)};
}
Literal ASTCopier::translate(Literal const& _literal)
{
return _literal;
}
TypedName ASTCopier::translate(TypedName const& _typedName)
{
return TypedName{_typedName.location, translateIdentifier(_typedName.name), _typedName.type};
}
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