mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
/*
|
|
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
|
|
* Utilities for the solidity compiler.
|
|
*/
|
|
|
|
#include <cassert>
|
|
#include <utility>
|
|
#include <numeric>
|
|
#include <libsolidity/AST.h>
|
|
#include <libsolidity/Compiler.h>
|
|
|
|
using namespace std;
|
|
|
|
namespace dev {
|
|
namespace solidity {
|
|
|
|
void CompilerContext::initializeLocalVariables(unsigned _numVariables)
|
|
{
|
|
if (_numVariables > 0)
|
|
{
|
|
*this << u256(0);
|
|
for (unsigned i = 1; i < _numVariables; ++i)
|
|
*this << eth::Instruction::DUP1;
|
|
m_asm.adjustDeposit(-_numVariables);
|
|
}
|
|
}
|
|
|
|
int CompilerContext::getStackPositionOfVariable(const Declaration& _declaration)
|
|
{
|
|
auto res = find(begin(m_localVariables), end(m_localVariables), &_declaration);
|
|
assert(res != m_localVariables.end());
|
|
return end(m_localVariables) - res - 1 + m_asm.deposit();
|
|
}
|
|
|
|
eth::AssemblyItem CompilerContext::getFunctionEntryLabel(const FunctionDefinition& _function) const
|
|
{
|
|
auto res = m_functionEntryLabels.find(&_function);
|
|
assert(res != m_functionEntryLabels.end());
|
|
return res->second.tag();
|
|
}
|
|
|
|
}
|
|
}
|