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			104 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| 	This file is part of solidity.
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| using namespace std;
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| using namespace solidity;
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| using namespace solidity::util;
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| using namespace solidity::langutil;
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| 
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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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| 
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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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| 
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| 	if (!_ref.multiline)
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| 	{
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| 		m_stream << _ref.text << endl;
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| 
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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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| 
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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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| 	else if (!_ref.sourceName.empty())
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| 		m_stream << _ref.sourceName << ": ";
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| }
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| 
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| void SourceReferenceFormatter::printExceptionInformation(util::Exception const& _exception, std::string const& _category)
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| {
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| 	printExceptionInformation(SourceReferenceExtractor::extract(_exception, _category));
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| }
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| 
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| void SourceReferenceFormatter::printErrorInformation(Error const& _error)
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| {
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| 	printExceptionInformation(
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| 		_error,
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| 		(_error.type() == Error::Type::Warning) ? "Warning" : "Error"
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| 	);
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| }
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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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| 
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| 	m_stream << _msg.category << ": " << _msg.primary.message << endl;
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| 
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| 	printSourceLocation(_msg.primary);
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| 
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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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