mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
89b60ffbd4
This commit introduces ErrorReporter, a utility class which consolidates all of the error logging functionality into a common set of functions. It also replaces all direct interactions with an ErrorList with calls to an ErrorReporter. This commit resolves issue #2209
149 lines
3.9 KiB
C++
149 lines
3.9 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* Module responsible for registering identifiers inside their scopes.
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*/
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#include <libsolidity/inlineasm/AsmScopeFiller.h>
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#include <libsolidity/inlineasm/AsmData.h>
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#include <libsolidity/inlineasm/AsmScope.h>
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#include <libsolidity/inlineasm/AsmAnalysisInfo.h>
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#include <libsolidity/interface/ErrorReporter.h>
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#include <libsolidity/interface/Utils.h>
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#include <boost/range/adaptor/reversed.hpp>
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#include <memory>
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#include <functional>
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using namespace std;
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using namespace dev;
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using namespace dev::solidity;
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using namespace dev::solidity::assembly;
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ScopeFiller::ScopeFiller(AsmAnalysisInfo& _info, ErrorReporter& _errorReporter):
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m_info(_info), m_errorReporter(_errorReporter)
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{
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m_currentScope = &scope(nullptr);
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}
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bool ScopeFiller::operator()(Label const& _item)
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{
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if (!m_currentScope->registerLabel(_item.name))
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{
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//@TODO secondary location
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m_errorReporter.declarationError(
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_item.location,
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"Label name " + _item.name + " already taken in this scope."
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);
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return false;
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}
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return true;
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}
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bool ScopeFiller::operator()(assembly::VariableDeclaration const& _varDecl)
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{
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for (auto const& variable: _varDecl.variables)
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if (!registerVariable(variable, _varDecl.location, *m_currentScope))
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return false;
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return true;
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}
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bool ScopeFiller::operator()(assembly::FunctionDefinition const& _funDef)
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{
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bool success = true;
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vector<Scope::JuliaType> arguments;
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for (auto const& _argument: _funDef.arguments)
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arguments.push_back(_argument.type);
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vector<Scope::JuliaType> returns;
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for (auto const& _return: _funDef.returns)
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returns.push_back(_return.type);
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if (!m_currentScope->registerFunction(_funDef.name, arguments, returns))
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{
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//@TODO secondary location
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m_errorReporter.declarationError(
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_funDef.location,
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"Function name " + _funDef.name + " already taken in this scope."
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);
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success = false;
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}
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auto virtualBlock = m_info.virtualBlocks[&_funDef] = make_shared<Block>();
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Scope& varScope = scope(virtualBlock.get());
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varScope.superScope = m_currentScope;
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m_currentScope = &varScope;
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varScope.functionScope = true;
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for (auto const& var: _funDef.arguments + _funDef.returns)
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if (!registerVariable(var, _funDef.location, varScope))
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success = false;
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if (!(*this)(_funDef.body))
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success = false;
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solAssert(m_currentScope == &varScope, "");
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m_currentScope = m_currentScope->superScope;
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return success;
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}
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bool ScopeFiller::operator()(Switch const& _switch)
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{
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bool success = true;
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for (auto const& _case: _switch.cases)
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if (!(*this)(_case.body))
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success = false;
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return success;
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}
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bool ScopeFiller::operator()(Block const& _block)
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{
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bool success = true;
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scope(&_block).superScope = m_currentScope;
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m_currentScope = &scope(&_block);
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for (auto const& s: _block.statements)
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if (!boost::apply_visitor(*this, s))
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success = false;
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m_currentScope = m_currentScope->superScope;
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return success;
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}
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bool ScopeFiller::registerVariable(TypedName const& _name, SourceLocation const& _location, Scope& _scope)
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{
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if (!_scope.registerVariable(_name.name, _name.type))
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{
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//@TODO secondary location
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m_errorReporter.declarationError(
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_location,
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"Variable name " + _name.name + " already taken in this scope."
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);
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return false;
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}
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return true;
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}
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Scope& ScopeFiller::scope(Block const* _block)
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{
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auto& scope = m_info.scopes[_block];
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if (!scope)
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scope = make_shared<Scope>();
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return *scope;
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}
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