mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
119 lines
3.4 KiB
C++
119 lines
3.4 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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// SPDX-License-Identifier: GPL-3.0
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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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#include <fmt/format.h>
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#include <fstream>
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namespace solidity::lsp
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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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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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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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return json;
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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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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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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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return nullptr;
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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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if (_declaration->nameLocation().isValid())
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return _declaration->nameLocation();
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if (_declaration->location().isValid())
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return _declaration->location();
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return nullopt;
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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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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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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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