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108 lines
2.7 KiB
108 lines
2.7 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum 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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cpp-ethereum 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 cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file CodeHighlighter.h
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* @author Arkadiy Paronyan arkadiy@ethdev.com
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* @date 2015
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* Ethereum IDE client.
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*/
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#pragma once
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#include <vector>
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#include <QString>
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#include <QTextCharFormat>
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class QTextDocument;
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namespace dev
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{
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struct Exception;
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struct SourceLocation;
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namespace solidity
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{
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class ASTNode;
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}
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namespace mix
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{
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/// Code highligting settings
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class CodeHighlighterSettings
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{
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public:
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enum Token
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{
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Import,
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Keyword,
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Comment,
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StringLiteral,
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NumLiteral,
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CompilationError,
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Size, //this must be kept last
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};
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CodeHighlighterSettings();
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///Format for each token
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QTextCharFormat formats[Size];
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///Background color
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QColor backgroundColor;
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///Foreground color
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QColor foregroundColor;
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};
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/// Code highlighting engine class
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class CodeHighlighter
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{
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public:
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/// Formatting range
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struct FormatRange
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{
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FormatRange(CodeHighlighterSettings::Token _t, int _start, int _length): token(_t), start(_start), length(_length) {}
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FormatRange(CodeHighlighterSettings::Token _t, SourceLocation const& _location);
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bool operator<(FormatRange const& _other) const { return start < _other.start || (start == _other.start && length < _other.length); }
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CodeHighlighterSettings::Token token;
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int start;
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int length;
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};
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using Formats = std::vector<FormatRange>; // Sorted by start position
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public:
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/// Collect highligting information by lexing the source
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void processSource(std::string const& _source);
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/// Collect additional highligting information from AST
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void processAST(solidity::ASTNode const& _ast);
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/// Collect highlighting information from compilation exception
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void processError(dev::Exception const& _exception);
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/// Apply formatting for a text document
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/// @todo Remove this once editor is reworked
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void updateFormatting(QTextDocument* _document, CodeHighlighterSettings const& _settings);
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private:
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/// Collect highligting information by paring for comments
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/// @todo Support this in solidity?
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void processComments(std::string const& _source);
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private:
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Formats m_formats;
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};
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}
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}
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