mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
144 lines
4.0 KiB
C++
144 lines
4.0 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/>.
|
|
*/
|
|
/**
|
|
* @author Christian <c@ethdev.com>
|
|
* @date 2017
|
|
* Converts a parsed assembly into its textual form.
|
|
*/
|
|
|
|
#include <libsolidity/inlineasm/AsmPrinter.h>
|
|
|
|
#include <libsolidity/inlineasm/AsmData.h>
|
|
|
|
#include <boost/algorithm/string.hpp>
|
|
#include <boost/algorithm/string/replace.hpp>
|
|
#include <boost/range/adaptor/transformed.hpp>
|
|
|
|
#include <memory>
|
|
#include <functional>
|
|
|
|
using namespace std;
|
|
using namespace dev;
|
|
using namespace dev::solidity;
|
|
using namespace dev::solidity::assembly;
|
|
|
|
//@TODO source locations
|
|
|
|
string AsmPrinter::operator()(assembly::Instruction const& _instruction)
|
|
{
|
|
return boost::to_lower_copy(instructionInfo(_instruction.instruction).name);
|
|
}
|
|
|
|
string AsmPrinter::operator()(assembly::Literal const& _literal)
|
|
{
|
|
if (_literal.isNumber)
|
|
return _literal.value;
|
|
string out;
|
|
for (char c: _literal.value)
|
|
if (c == '\\')
|
|
out += "\\\\";
|
|
else if (c == '"')
|
|
out += "\\\"";
|
|
else if (c == '\b')
|
|
out += "\\b";
|
|
else if (c == '\f')
|
|
out += "\\f";
|
|
else if (c == '\n')
|
|
out += "\\n";
|
|
else if (c == '\r')
|
|
out += "\\r";
|
|
else if (c == '\t')
|
|
out += "\\t";
|
|
else if (c == '\v')
|
|
out += "\\v";
|
|
else if (!isprint(c, locale::classic()))
|
|
{
|
|
ostringstream o;
|
|
o << std::hex << setfill('0') << setw(2) << (unsigned)(unsigned char)(c);
|
|
out += "\\x" + o.str();
|
|
}
|
|
else
|
|
out += c;
|
|
return "\"" + out + "\"";
|
|
}
|
|
|
|
string AsmPrinter::operator()(assembly::Identifier const& _identifier)
|
|
{
|
|
return _identifier.name;
|
|
}
|
|
|
|
string AsmPrinter::operator()(assembly::FunctionalInstruction const& _functionalInstruction)
|
|
{
|
|
return
|
|
(*this)(_functionalInstruction.instruction) +
|
|
"(" +
|
|
boost::algorithm::join(
|
|
_functionalInstruction.arguments | boost::adaptors::transformed(boost::apply_visitor(*this)),
|
|
", " ) +
|
|
")";
|
|
}
|
|
|
|
string AsmPrinter::operator()(assembly::Label const& _label)
|
|
{
|
|
return _label.name + ":";
|
|
}
|
|
|
|
string AsmPrinter::operator()(assembly::Assignment const& _assignment)
|
|
{
|
|
return "=: " + (*this)(_assignment.variableName);
|
|
}
|
|
|
|
string AsmPrinter::operator()(assembly::FunctionalAssignment const& _functionalAssignment)
|
|
{
|
|
return (*this)(_functionalAssignment.variableName) + " := " + boost::apply_visitor(*this, *_functionalAssignment.value);
|
|
}
|
|
|
|
string AsmPrinter::operator()(assembly::VariableDeclaration const& _variableDeclaration)
|
|
{
|
|
return "let " + _variableDeclaration.name + " := " + boost::apply_visitor(*this, *_variableDeclaration.value);
|
|
}
|
|
|
|
string AsmPrinter::operator()(assembly::FunctionDefinition const& _functionDefinition)
|
|
{
|
|
string out = "function " + _functionDefinition.name + "(" + boost::algorithm::join(_functionDefinition.arguments, ", ") + ")";
|
|
if (!_functionDefinition.returns.empty())
|
|
out += " -> (" + boost::algorithm::join(_functionDefinition.returns, ", ") + ")";
|
|
return out + "\n" + (*this)(_functionDefinition.body);
|
|
}
|
|
|
|
string AsmPrinter::operator()(assembly::FunctionCall const& _functionCall)
|
|
{
|
|
return
|
|
(*this)(_functionCall.functionName) + "(" +
|
|
boost::algorithm::join(
|
|
_functionCall.arguments | boost::adaptors::transformed(boost::apply_visitor(*this)),
|
|
", " ) +
|
|
")";
|
|
}
|
|
|
|
string AsmPrinter::operator()(Block const& _block)
|
|
{
|
|
if (_block.statements.empty())
|
|
return "{\n}";
|
|
string body = boost::algorithm::join(
|
|
_block.statements | boost::adaptors::transformed(boost::apply_visitor(*this)),
|
|
"\n"
|
|
);
|
|
boost::replace_all(body, "\n", "\n ");
|
|
return "{\n " + body + "\n}";
|
|
}
|