mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/*
|
|
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/>.
|
|
*/
|
|
/**
|
|
* Component that translates Solidity code into Yul at statement level and below.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <libsolidity/ast/ASTVisitor.h>
|
|
#include <libsolidity/codegen/ir/IRLValue.h>
|
|
|
|
namespace dev
|
|
{
|
|
namespace solidity
|
|
{
|
|
|
|
class IRGenerationContext;
|
|
class YulUtilFunctions;
|
|
|
|
/**
|
|
* Component that translates Solidity's AST into Yul at statement level and below.
|
|
* It is an AST visitor that appends to an internal string buffer.
|
|
*/
|
|
class IRGeneratorForStatements: public ASTConstVisitor
|
|
{
|
|
public:
|
|
IRGeneratorForStatements(IRGenerationContext& _context, YulUtilFunctions& _utils):
|
|
m_context(_context),
|
|
m_utils(_utils)
|
|
{}
|
|
|
|
std::string code() const;
|
|
|
|
void endVisit(VariableDeclarationStatement const& _variableDeclaration) override;
|
|
bool visit(Assignment const& _assignment) override;
|
|
bool visit(ForStatement const& _forStatement) override;
|
|
bool visit(Continue const& _continueStatement) override;
|
|
bool visit(Break const& _breakStatement) override;
|
|
void endVisit(Return const& _return) override;
|
|
void endVisit(UnaryOperation const& _unaryOperation) override;
|
|
bool visit(BinaryOperation const& _binOp) override;
|
|
void endVisit(FunctionCall const& _funCall) override;
|
|
bool visit(InlineAssembly const& _inlineAsm) override;
|
|
bool visit(Identifier const& _identifier) override;
|
|
bool visit(Literal const& _literal) override;
|
|
|
|
private:
|
|
/// @returns a Yul expression representing the current value of @a _expression,
|
|
/// converted to type @a _to if it does not yet have that type.
|
|
std::string expressionAsType(Expression const& _expression, Type const& _to);
|
|
std::ostream& defineExpression(Expression const& _expression);
|
|
|
|
void appendAndOrOperatorCode(BinaryOperation const& _binOp);
|
|
|
|
void setLValue(Expression const& _expression, std::unique_ptr<IRLValue> _lvalue);
|
|
|
|
static Type const& type(Expression const& _expression);
|
|
|
|
std::ostringstream m_code;
|
|
IRGenerationContext& m_context;
|
|
YulUtilFunctions& m_utils;
|
|
std::unique_ptr<IRLValue> m_currentLValue;
|
|
};
|
|
|
|
}
|
|
}
|