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			138 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			138 lines
		
	
	
		
			4.0 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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 * Formatting functions for errors referencing positions and locations in the source.
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 */
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#include <liblangutil/SourceReferenceFormatterHuman.h>
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#include <liblangutil/Scanner.h>
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#include <liblangutil/Exceptions.h>
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#include <cmath>
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#include <iomanip>
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using namespace std;
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using namespace solidity;
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using namespace solidity::langutil;
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using namespace solidity::util;
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using namespace solidity::util::formatting;
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AnsiColorized SourceReferenceFormatterHuman::normalColored() const
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{
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	return AnsiColorized(m_stream, m_colored, {WHITE});
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}
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AnsiColorized SourceReferenceFormatterHuman::frameColored() const
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{
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	return AnsiColorized(m_stream, m_colored, {BOLD, BLUE});
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}
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AnsiColorized SourceReferenceFormatterHuman::errorColored() const
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{
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	return AnsiColorized(m_stream, m_colored, {BOLD, RED});
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}
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AnsiColorized SourceReferenceFormatterHuman::messageColored() const
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{
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	return AnsiColorized(m_stream, m_colored, {BOLD, WHITE});
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}
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AnsiColorized SourceReferenceFormatterHuman::secondaryColored() const
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{
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	return AnsiColorized(m_stream, m_colored, {BOLD, CYAN});
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}
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AnsiColorized SourceReferenceFormatterHuman::highlightColored() const
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{
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	return AnsiColorized(m_stream, m_colored, {YELLOW});
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}
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AnsiColorized SourceReferenceFormatterHuman::diagColored() const
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{
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	return AnsiColorized(m_stream, m_colored, {BOLD, YELLOW});
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}
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void SourceReferenceFormatterHuman::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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	int const leftpad = static_cast<int>(log10(max(_ref.position.line, 1))) + 1;
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	// line 0: source name
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	frameColored() << string(leftpad, ' ') << "--> ";
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	m_stream << _ref.sourceName << ":" << (_ref.position.line + 1) << ":" << (_ref.position.column + 1) << ":" << '\n';
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	if (!_ref.multiline)
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	{
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		int const locationLength = _ref.endColumn - _ref.startColumn;
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		// line 1:
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		m_stream << string(leftpad, ' ');
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		frameColored() << " |" << '\n';
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		// line 2:
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		frameColored() << (_ref.position.line + 1) << " | ";
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		m_stream << _ref.text.substr(0, _ref.startColumn);
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		highlightColored() << _ref.text.substr(_ref.startColumn, locationLength);
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		m_stream << _ref.text.substr(_ref.endColumn) << '\n';
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		// line 3:
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		m_stream << string(leftpad, ' ');
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		frameColored() << " | ";
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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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		diagColored() << string(locationLength, '^') << '\n';
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	}
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	else
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	{
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		// line 1:
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		m_stream << string(leftpad, ' ');
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		frameColored() << " |" << '\n';
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		// line 2:
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		frameColored() << (_ref.position.line + 1) << " | ";
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		m_stream << _ref.text.substr(0, _ref.startColumn);
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		highlightColored() << _ref.text.substr(_ref.startColumn) << '\n';
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		// line 3:
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		frameColored() << string(leftpad, ' ') << " | ";
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		m_stream << string(_ref.startColumn, ' ');
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		diagColored() << "^ (Relevant source part starts here and spans across multiple lines).\n";
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	}
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}
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void SourceReferenceFormatterHuman::printExceptionInformation(SourceReferenceExtractor::Message const& _msg)
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{
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	// exception header line
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	errorColored() << _msg.category;
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	messageColored() << ": " << _msg.primary.message << '\n';
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	printSourceLocation(_msg.primary);
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	for (auto const& secondary: _msg.secondary)
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	{
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		secondaryColored() << "Note";
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		messageColored() << ": " << secondary.message << '\n';
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		printSourceLocation(secondary);
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	}
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	m_stream << '\n';
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}
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