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			130 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			3.7 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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| // SPDX-License-Identifier: GPL-3.0
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| 
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| #include <liblangutil/CharStreamProvider.h>
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| #include <liblangutil/Exceptions.h>
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| #include <libsolidity/ast/AST.h>
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| #include <libsolidity/lsp/FileRepository.h>
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| #include <libsolidity/lsp/Utils.h>
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| 
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| #include <regex>
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| #include <fstream>
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| 
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| namespace solidity::lsp
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| {
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| 
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| using namespace frontend;
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| using namespace langutil;
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| using namespace std;
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| 
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| optional<LineColumn> parseLineColumn(Json::Value const& _lineColumn)
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| {
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| 	if (_lineColumn.isObject() && _lineColumn["line"].isInt() && _lineColumn["character"].isInt())
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| 		return LineColumn{_lineColumn["line"].asInt(), _lineColumn["character"].asInt()};
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| 	else
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| 		return nullopt;
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| }
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| 
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| Json::Value toJson(LineColumn const& _pos)
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| {
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| 	Json::Value json = Json::objectValue;
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| 	json["line"] = max(_pos.line, 0);
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| 	json["character"] = max(_pos.column, 0);
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| 
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| 	return json;
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| }
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| 
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| Json::Value toJsonRange(LineColumn const& _start, LineColumn const& _end)
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| {
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| 	Json::Value json;
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| 	json["start"] = toJson(_start);
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| 	json["end"] = toJson(_end);
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| 	return json;
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| }
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| 
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| Declaration const* referencedDeclaration(Expression const* _expression)
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| {
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| 	if (auto const* identifier = dynamic_cast<Identifier const*>(_expression))
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| 		if (Declaration const* referencedDeclaration = identifier->annotation().referencedDeclaration)
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| 			return referencedDeclaration;
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| 
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| 	if (auto const* memberAccess = dynamic_cast<MemberAccess const*>(_expression))
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| 		if (memberAccess->annotation().referencedDeclaration)
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| 			return memberAccess->annotation().referencedDeclaration;
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| 
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| 	return nullptr;
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| }
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| 
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| optional<SourceLocation> declarationLocation(Declaration const* _declaration)
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| {
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| 	if (!_declaration)
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| 		return nullopt;
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| 
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| 	if (_declaration->nameLocation().isValid())
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| 		return _declaration->nameLocation();
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| 
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| 	if (_declaration->location().isValid())
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| 		return _declaration->location();
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| 
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| 	return nullopt;
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| }
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| 
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| optional<SourceLocation> parsePosition(
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| 	FileRepository const& _fileRepository,
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| 	string const& _sourceUnitName,
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| 	Json::Value const& _position
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| )
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| {
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| 	if (!_fileRepository.sourceUnits().count(_sourceUnitName))
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| 		return nullopt;
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| 
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| 	if (optional<LineColumn> lineColumn = parseLineColumn(_position))
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| 		if (optional<int> const offset = CharStream::translateLineColumnToPosition(
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| 			_fileRepository.sourceUnits().at(_sourceUnitName),
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| 			*lineColumn
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| 		))
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| 			return SourceLocation{*offset, *offset, make_shared<string>(_sourceUnitName)};
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| 	return nullopt;
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| }
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| 
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| optional<SourceLocation> parseRange(FileRepository const& _fileRepository, string const& _sourceUnitName, Json::Value const& _range)
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| {
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| 	if (!_range.isObject())
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| 		return nullopt;
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| 	optional<SourceLocation> start = parsePosition(_fileRepository, _sourceUnitName, _range["start"]);
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| 	optional<SourceLocation> end = parsePosition(_fileRepository, _sourceUnitName, _range["end"]);
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| 	if (!start || !end)
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| 		return nullopt;
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| 	solAssert(*start->sourceName == *end->sourceName);
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| 	start->end = end->end;
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| 	return start;
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| }
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| 
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| string stripFileUriSchemePrefix(string const& _path)
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| {
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| 	regex const windowsDriveLetterPath("^file:///[a-zA-Z]:/");
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| 	if (regex_search(_path, windowsDriveLetterPath))
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| 		return _path.substr(8);
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| 	if (_path.find("file://") == 0)
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| 		return _path.substr(7);
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| 	else
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| 		return _path;
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| }
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| 
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| }
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