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-rw-r--r--libsolidity/inlineasm/AsmPrinter.cpp250
1 files changed, 0 insertions, 250 deletions
diff --git a/libsolidity/inlineasm/AsmPrinter.cpp b/libsolidity/inlineasm/AsmPrinter.cpp
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--- a/libsolidity/inlineasm/AsmPrinter.cpp
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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/>.
-*/
-/**
- * @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 <liblangutil/Exceptions.h>
-
-#include <libdevcore/CommonData.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)
-{
- solAssert(!m_yul, "");
- solAssert(isValidInstruction(_instruction.instruction), "Invalid instruction");
- return boost::to_lower_copy(instructionInfo(_instruction.instruction).name);
-}
-
-string AsmPrinter::operator()(assembly::Literal const& _literal)
-{
- switch (_literal.kind)
- {
- case LiteralKind::Number:
- solAssert(isValidDecimal(_literal.value.str()) || isValidHex(_literal.value.str()), "Invalid number literal");
- return _literal.value.str() + appendTypeName(_literal.type);
- case LiteralKind::Boolean:
- solAssert(_literal.value.str() == "true" || _literal.value.str() == "false", "Invalid bool literal.");
- return ((_literal.value.str() == "true") ? "true" : "false") + appendTypeName(_literal.type);
- case LiteralKind::String:
- break;
- }
-
- string out;
- for (char c: _literal.value.str())
- 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 + "\"" + appendTypeName(_literal.type);
-}
-
-string AsmPrinter::operator()(assembly::Identifier const& _identifier)
-{
- solAssert(!_identifier.name.empty(), "Invalid identifier.");
- return _identifier.name.str();
-}
-
-string AsmPrinter::operator()(assembly::FunctionalInstruction const& _functionalInstruction)
-{
- solAssert(!m_yul, "");
- solAssert(isValidInstruction(_functionalInstruction.instruction), "Invalid instruction");
- return
- boost::to_lower_copy(instructionInfo(_functionalInstruction.instruction).name) +
- "(" +
- boost::algorithm::join(
- _functionalInstruction.arguments | boost::adaptors::transformed(boost::apply_visitor(*this)),
- ", ") +
- ")";
-}
-
-string AsmPrinter::operator()(ExpressionStatement const& _statement)
-{
- return boost::apply_visitor(*this, _statement.expression);
-}
-
-string AsmPrinter::operator()(assembly::Label const& _label)
-{
- solAssert(!m_yul, "");
- solAssert(!_label.name.empty(), "Invalid label.");
- return _label.name.str() + ":";
-}
-
-string AsmPrinter::operator()(assembly::StackAssignment const& _assignment)
-{
- solAssert(!m_yul, "");
- solAssert(!_assignment.variableName.name.empty(), "Invalid variable name.");
- return "=: " + (*this)(_assignment.variableName);
-}
-
-string AsmPrinter::operator()(assembly::Assignment const& _assignment)
-{
- solAssert(_assignment.variableNames.size() >= 1, "");
- string variables = (*this)(_assignment.variableNames.front());
- for (size_t i = 1; i < _assignment.variableNames.size(); ++i)
- variables += ", " + (*this)(_assignment.variableNames[i]);
- return variables + " := " + boost::apply_visitor(*this, *_assignment.value);
-}
-
-string AsmPrinter::operator()(assembly::VariableDeclaration const& _variableDeclaration)
-{
- string out = "let ";
- out += boost::algorithm::join(
- _variableDeclaration.variables | boost::adaptors::transformed(
- [this](TypedName argument) { return formatTypedName(argument); }
- ),
- ", "
- );
- if (_variableDeclaration.value)
- {
- out += " := ";
- out += boost::apply_visitor(*this, *_variableDeclaration.value);
- }
- return out;
-}
-
-string AsmPrinter::operator()(assembly::FunctionDefinition const& _functionDefinition)
-{
- solAssert(!_functionDefinition.name.empty(), "Invalid function name.");
- string out = "function " + _functionDefinition.name.str() + "(";
- out += boost::algorithm::join(
- _functionDefinition.parameters | boost::adaptors::transformed(
- [this](TypedName argument) { return formatTypedName(argument); }
- ),
- ", "
- );
- out += ")";
- if (!_functionDefinition.returnVariables.empty())
- {
- out += " -> ";
- out += boost::algorithm::join(
- _functionDefinition.returnVariables | boost::adaptors::transformed(
- [this](TypedName argument) { return formatTypedName(argument); }
- ),
- ", "
- );
- }
-
- 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()(If const& _if)
-{
- solAssert(_if.condition, "Invalid if condition.");
- return "if " + boost::apply_visitor(*this, *_if.condition) + "\n" + (*this)(_if.body);
-}
-
-string AsmPrinter::operator()(Switch const& _switch)
-{
- solAssert(_switch.expression, "Invalid expression pointer.");
- string out = "switch " + boost::apply_visitor(*this, *_switch.expression);
- for (auto const& _case: _switch.cases)
- {
- if (!_case.value)
- out += "\ndefault ";
- else
- out += "\ncase " + (*this)(*_case.value) + " ";
- out += (*this)(_case.body);
- }
- return out;
-}
-
-string AsmPrinter::operator()(assembly::ForLoop const& _forLoop)
-{
- solAssert(_forLoop.condition, "Invalid for loop condition.");
- string out = "for ";
- out += (*this)(_forLoop.pre);
- out += "\n";
- out += boost::apply_visitor(*this, *_forLoop.condition);
- out += "\n";
- out += (*this)(_forLoop.post);
- out += "\n";
- out += (*this)(_forLoop.body);
- return out;
-}
-
-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}";
-}
-
-string AsmPrinter::formatTypedName(TypedName _variable) const
-{
- solAssert(!_variable.name.empty(), "Invalid variable name.");
- return _variable.name.str() + appendTypeName(_variable.type);
-}
-
-string AsmPrinter::appendTypeName(YulString _type) const
-{
- if (m_yul)
- return ":" + _type.str();
- return "";
-}