path: root/libsolidity/interface/ErrorReporter.cpp

/*
    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 Rhett <roadriverrail@gmail.com>
 * @date 2017
 * Error helper class.
 */

#include <libsolidity/interface/ErrorReporter.h>
#include <libsolidity/ast/AST.h>
#include <memory>

using namespace std;
using namespace dev;
using namespace dev::solidity;

ErrorReporter& ErrorReporter::operator=(ErrorReporter const& _errorReporter)
{
    if (&_errorReporter == this)
        return *this;
    m_errorList = _errorReporter.m_errorList;
    return *this;
}


void ErrorReporter::warning(string const& _description)
{
    error(Error::Type::Warning, SourceLocation(), _description);
}

void ErrorReporter::warning(
    SourceLocation const& _location,
    string const& _description
)
{
    error(Error::Type::Warning, _location, _description);
}

void ErrorReporter::warning(
    SourceLocation const& _location,
    string const& _description,
    SecondarySourceLocation const& _secondaryLocation
)
{
    error(Error::Type::Warning, _location, _secondaryLocation, _description);
}

void ErrorReporter::error(Error::Type _type, SourceLocation const& _location, string const& _description)
{
    if (checkForExcessiveErrors(_type))
        return;

    auto err = make_shared<Error>(_type);
    *err <<
        errinfo_sourceLocation(_location) <<
        errinfo_comment(_description);

    m_errorList.push_back(err);
}

void ErrorReporter::error(Error::Type _type, SourceLocation const& _location, SecondarySourceLocation const& _secondaryLocation, string const& _description)
{
    if (checkForExcessiveErrors(_type))
        return;

    auto err = make_shared<Error>(_type);
    *err <<
        errinfo_sourceLocation(_location) <<
        errinfo_secondarySourceLocation(_secondaryLocation) <<
        errinfo_comment(_description);

    m_errorList.push_back(err);
}

bool ErrorReporter::checkForExcessiveErrors(Error::Type _type)
{
    if (_type == Error::Type::Warning)
    {
        m_warningCount++;

        if (m_warningCount == c_maxWarningsAllowed)
        {
            auto err = make_shared<Error>(Error::Type::Warning);
            *err << errinfo_comment("There are more than 256 warnings. Ignoring the rest.");
            m_errorList.push_back(err);
        }

        if (m_warningCount >= c_maxWarningsAllowed)
            return true;
    }
    else
    {
        m_errorCount++;

        if (m_errorCount > c_maxErrorsAllowed)
        {
            auto err = make_shared<Error>(Error::Type::Warning);
            *err << errinfo_comment("There are more than 256 errors. Aborting.");
            m_errorList.push_back(err);
            BOOST_THROW_EXCEPTION(FatalError());
        }
    }

    return false;
}

void ErrorReporter::fatalError(Error::Type _type, SourceLocation const& _location, string const& _description)
{
    error(_type, _location, _description);
    BOOST_THROW_EXCEPTION(FatalError());
}

ErrorList const& ErrorReporter::errors() const
{
    return m_errorList;
}

void ErrorReporter::clear()
{
    m_errorList.clear();
}

void ErrorReporter::declarationError(SourceLocation const& _location, SecondarySourceLocation const&_secondaryLocation, string const& _description)
{
    error(
        Error::Type::DeclarationError,
        _location,
        _secondaryLocation,
        _description
    );
}

void ErrorReporter::declarationError(SourceLocation const& _location, string const& _description)
{
    error(
        Error::Type::DeclarationError,
        _location,
        _description
    );
}

void ErrorReporter::fatalDeclarationError(SourceLocation const& _location, std::string const& _description)
{
    fatalError(
        Error::Type::DeclarationError,
        _location,
        _description);
}

void ErrorReporter::parserError(SourceLocation const& _location, string const& _description)
{
    error(
        Error::Type::ParserError,
        _location,
        _description
    );
}

void ErrorReporter::fatalParserError(SourceLocation const& _location, string const& _description)
{
    fatalError(
        Error::Type::ParserError,
        _location,
        _description
    );
}

void ErrorReporter::syntaxError(SourceLocation const& _location, string const& _description)
{
    error(
        Error::Type::SyntaxError,
        _location,
        _description
    );
}

void ErrorReporter::typeError(SourceLocation const& _location, SecondarySourceLocation const& _secondaryLocation, string const& _description)
{
    error(
        Error::Type::TypeError,
        _location,
        _secondaryLocation,
        _description
    );
}

void ErrorReporter::typeError(SourceLocation const& _location, string const& _description)
{
    error(
        Error::Type::TypeError,
        _location,
        _description
    );
}


void ErrorReporter::fatalTypeError(SourceLocation const& _location, string const& _description)
{
    fatalError(Error::Type::TypeError,
        _location,
        _description
    );
}

void ErrorReporter::docstringParsingError(string const& _description)
{
    error(
        Error::Type::DocstringParsingError,
        SourceLocation(),
        _description
    );
}