mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
93 lines
2.7 KiB
C++
93 lines
2.7 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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* Formatting functions for errors referencing positions and locations in the source.
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*/
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#include <liblangutil/SourceReferenceFormatter.h>
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#include <liblangutil/Scanner.h>
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#include <liblangutil/Exceptions.h>
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using namespace std;
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using namespace dev;
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using namespace langutil;
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void SourceReferenceFormatter::printSourceLocation(SourceLocation const* _location)
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{
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printSourceLocation(SourceReferenceExtractor::extract(_location));
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}
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void SourceReferenceFormatter::printSourceLocation(SourceReference const& _ref)
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{
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if (_ref.position.line < 0)
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return; // Nothing we can print here
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if (!_ref.multiline)
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{
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m_stream << _ref.text << endl;
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// mark the text-range like this: ^-----^
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for_each(
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_ref.text.cbegin(),
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_ref.text.cbegin() + _ref.startColumn,
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[this](char ch) { m_stream << (ch == '\t' ? '\t' : ' '); }
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);
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m_stream << "^";
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if (_ref.endColumn > _ref.startColumn + 2)
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m_stream << string(_ref.endColumn - _ref.startColumn - 2, '-');
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if (_ref.endColumn > _ref.startColumn + 1)
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m_stream << "^";
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m_stream << endl;
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}
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else
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m_stream <<
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_ref.text <<
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endl <<
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string(_ref.startColumn, ' ') <<
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"^ (Relevant source part starts here and spans across multiple lines)." <<
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endl;
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}
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void SourceReferenceFormatter::printSourceName(SourceReference const& _ref)
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{
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if (_ref.position.line != -1)
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m_stream << _ref.sourceName << ":" << (_ref.position.line + 1) << ":" << (_ref.position.column + 1) << ": ";
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}
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void SourceReferenceFormatter::printExceptionInformation(dev::Exception const& _error, std::string const& _category)
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{
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printExceptionInformation(SourceReferenceExtractor::extract(_error, _category));
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}
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void SourceReferenceFormatter::printExceptionInformation(SourceReferenceExtractor::Message const& _msg)
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{
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printSourceName(_msg.primary);
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m_stream << _msg.category << ": " << _msg.primary.message << endl;
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printSourceLocation(_msg.primary);
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for (auto const& ref: _msg.secondary)
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{
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printSourceName(ref);
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m_stream << ref.message << endl;
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printSourceLocation(ref);
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}
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}
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