mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
138 lines
3.6 KiB
C++
138 lines
3.6 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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* @author Christian <c@ethdev.com>
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* @date 2014
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* Solidity exception hierarchy.
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*/
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#pragma once
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#include <string>
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#include <utility>
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#include <vector>
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#include <memory>
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#include <libdevcore/Exceptions.h>
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#include <libdevcore/Assertions.h>
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#include <libdevcore/CommonData.h>
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#include <liblangutil/SourceLocation.h>
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namespace langutil
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{
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class Error;
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using ErrorList = std::vector<std::shared_ptr<Error const>>;
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struct CompilerError: virtual dev::Exception {};
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struct InternalCompilerError: virtual dev::Exception {};
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struct FatalError: virtual dev::Exception {};
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struct UnimplementedFeatureError: virtual dev::Exception {};
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/// Assertion that throws an InternalCompilerError containing the given description if it is not met.
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#define solAssert(CONDITION, DESCRIPTION) \
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assertThrow(CONDITION, ::langutil::InternalCompilerError, DESCRIPTION)
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#define solUnimplementedAssert(CONDITION, DESCRIPTION) \
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assertThrow(CONDITION, ::langutil::UnimplementedFeatureError, DESCRIPTION)
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#define solUnimplemented(DESCRIPTION) \
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solUnimplementedAssert(false, DESCRIPTION)
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class Error: virtual public dev::Exception
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{
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public:
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enum class Type
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{
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DeclarationError,
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DocstringParsingError,
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ParserError,
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TypeError,
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SyntaxError,
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Warning
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};
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explicit Error(
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Type _type,
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SourceLocation const& _location = SourceLocation(),
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std::string const& _description = std::string()
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);
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Error(Type _type, std::string const& _description, SourceLocation const& _location = SourceLocation());
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Type type() const { return m_type; }
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std::string const& typeName() const { return m_typeName; }
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/// helper functions
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static Error const* containsErrorOfType(ErrorList const& _list, Error::Type _type)
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{
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for (auto e: _list)
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{
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if (e->type() == _type)
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return e.get();
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}
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return nullptr;
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}
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static bool containsOnlyWarnings(ErrorList const& _list)
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{
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for (auto e: _list)
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{
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if (e->type() != Type::Warning)
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return false;
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}
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return true;
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}
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private:
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Type m_type;
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std::string m_typeName;
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};
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using errorSourceLocationInfo = std::pair<std::string, SourceLocation>;
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class SecondarySourceLocation
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{
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public:
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SecondarySourceLocation& append(std::string const& _errMsg, SourceLocation const& _sourceLocation)
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{
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infos.emplace_back(_errMsg, _sourceLocation);
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return *this;
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}
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SecondarySourceLocation& append(SecondarySourceLocation&& _other)
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{
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infos += std::move(_other.infos);
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return *this;
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}
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/// Limits the number of secondary source locations to 32 and appends a notice to the
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/// error message.
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void limitSize(std::string& _message)
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{
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size_t occurrences = infos.size();
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if (occurrences > 32)
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{
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infos.resize(32);
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_message += " Truncated from " + std::to_string(occurrences) + " to the first 32 occurrences.";
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}
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}
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std::vector<errorSourceLocationInfo> infos;
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};
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using errinfo_sourceLocation = boost::error_info<struct tag_sourceLocation, SourceLocation>;
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using errinfo_secondarySourceLocation = boost::error_info<struct tag_secondarySourceLocation, SecondarySourceLocation>;
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}
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