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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 2014
* Solidity exception hierarchy.
*/
#pragma once
#include <string>
#include <utility>
#include <libdevcore/Exceptions.h>
#include <libdevcore/Assertions.h>
#include <libevmasm/SourceLocation.h>
namespace dev
{
namespace solidity
{
class Error;
using ErrorList = std::vector<std::shared_ptr<Error const>>;
struct CompilerError: virtual Exception {};
struct InternalCompilerError: virtual Exception {};
struct FatalError: virtual Exception {};
struct UnimplementedFeatureError: virtual Exception{};
/// Assertion that throws an InternalCompilerError containing the given description if it is not met.
#define solAssert(CONDITION, DESCRIPTION) \
assertThrow(CONDITION, ::dev::solidity::InternalCompilerError, DESCRIPTION)
#define solUnimplementedAssert(CONDITION, DESCRIPTION) \
assertThrow(CONDITION, ::dev::solidity::UnimplementedFeatureError, DESCRIPTION)
#define solUnimplemented(DESCRIPTION) \
solUnimplementedAssert(false, DESCRIPTION)
class Error: virtual public Exception
{
public:
enum class Type
{
DeclarationError,
DocstringParsingError,
ParserError,
TypeError,
SyntaxError,
Why3TranslatorError,
Warning
};
explicit Error(
Type _type,
SourceLocation const& _location = SourceLocation(),
std::string const& _description = std::string()
);
Error(Type _type, std::string const& _description, SourceLocation const& _location = SourceLocation());
Type type() const { return m_type; }
std::string const& typeName() const { return m_typeName; }
/// helper functions
static Error const* containsErrorOfType(ErrorList const& _list, Error::Type _type)
{
for (auto e: _list)
{
if (e->type() == _type)
return e.get();
}
return nullptr;
}
static bool containsOnlyWarnings(ErrorList const& _list)
{
for (auto e: _list)
{
if (e->type() != Type::Warning)
return false;
}
return true;
}
private:
Type m_type;
std::string m_typeName;
};
using errorSourceLocationInfo = std::pair<std::string, SourceLocation>;
class SecondarySourceLocation
{
public:
SecondarySourceLocation& append(std::string const& _errMsg, SourceLocation const& _sourceLocation)
{
infos.push_back(std::make_pair(_errMsg, _sourceLocation));
return *this;
}
std::vector<errorSourceLocationInfo> infos;
};
using errinfo_sourceLocation = boost::error_info<struct tag_sourceLocation, SourceLocation>;
using errinfo_secondarySourceLocation = boost::error_info<struct tag_secondarySourceLocation, SecondarySourceLocation>;
}
}
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