arkpar
10 years ago
7 changed files with 318 additions and 30 deletions
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/*
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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.cpp
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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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#include <algorithm> |
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#include <QRegularExpression> |
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#include <QTextDocument> |
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#include <QTextBlock> |
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#include <QTextLayout> |
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#include "CodeHighlighter.h" |
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#include "libsolidity/ASTVisitor.h" |
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#include "libsolidity/AST.h" |
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#include "libsolidity/Scanner.h" |
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namespace dev |
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{ |
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namespace mix |
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{ |
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CodeHighlighterSettings::CodeHighlighterSettings() |
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{ |
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bg = QColor(0x00, 0x2b, 0x36); |
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fg = QColor (0xee, 0xe8, 0xd5); |
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formats[Keyword].setForeground(QColor(0x93, 0xa1, 0xa1)); |
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//formats[Type].setForeground(Qt::darkCyan);
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formats[Comment].setForeground(QColor(0x85, 0x99, 0x00)); |
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formats[StringLiteral].setForeground(QColor(0xdc, 0x32, 0x2f)); |
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formats[NumLiteral].setForeground(fg); |
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formats[Import].setForeground(QColor(0x6c, 0x71, 0xc4)); |
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} |
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namespace |
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{ |
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using namespace dev::solidity; |
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class HighlightVisitor : public solidity::ASTConstVisitor |
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{ |
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public: |
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HighlightVisitor(CodeHighlighter::Formats* _formats) { m_formats = _formats; } |
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private: |
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CodeHighlighter::Formats* m_formats; |
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virtual bool visit(ImportDirective const& _node) |
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{ |
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m_formats->push_back(CodeHighlighter::FormatRange(CodeHighlighterSettings::Import, _node.getLocation())); |
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return true; |
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} |
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}; |
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} |
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CodeHighlighter::FormatRange::FormatRange(CodeHighlighterSettings::Token _t, solidity::Location const& _location): |
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token(_t), start(_location.start), length(_location.end - _location.start) |
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{} |
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void CodeHighlighter::processSource(solidity::Scanner* _scanner) |
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{ |
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solidity::Token::Value token = _scanner->getCurrentToken(); |
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while (token != Token::EOS) |
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{ |
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if ((token >= Token::BREAK && token < Token::TYPES_END) || |
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token == Token::IN || token == Token::DELETE || token == Token::NULL_LITERAL || token == Token::TRUE_LITERAL || token == Token::FALSE_LITERAL) |
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m_formats.push_back(FormatRange(CodeHighlighterSettings::Keyword, _scanner->getCurrentLocation())); |
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else if (token == Token::STRING_LITERAL) |
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m_formats.push_back(FormatRange(CodeHighlighterSettings::StringLiteral, _scanner->getCurrentLocation())); |
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else if (token == Token::COMMENT_LITERAL) |
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m_formats.push_back(FormatRange(CodeHighlighterSettings::Comment, _scanner->getCurrentLocation())); |
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else if (token == Token::NUMBER) |
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m_formats.push_back(FormatRange(CodeHighlighterSettings::NumLiteral, _scanner->getCurrentLocation())); |
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token = _scanner->next(); |
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} |
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std::sort(m_formats.begin(), m_formats.end()); |
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} |
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void CodeHighlighter::processAST(solidity::ASTNode const& _ast) |
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{ |
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HighlightVisitor visitor(&m_formats); |
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_ast.accept(visitor); |
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std::sort(m_formats.begin(), m_formats.end()); |
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} |
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void CodeHighlighter::updateFormatting(QTextDocument* _document, CodeHighlighterSettings const& _settings) |
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{ |
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QTextBlock block = _document->firstBlock(); |
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QList<QTextLayout::FormatRange> ranges; |
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Formats::const_iterator format = m_formats.begin(); |
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while (true) |
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{ |
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while ((format == m_formats.end() || (block.position() + block.length() <= format->start)) && block.isValid()) |
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{ |
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auto layout = block.layout(); |
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layout->clearAdditionalFormats(); |
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layout->setAdditionalFormats(ranges); |
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_document->markContentsDirty(block.position(), block.length()); |
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block = block.next(); |
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ranges.clear(); |
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} |
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if (!block.isValid()) |
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break; |
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int intersectionStart = std::max(format->start, block.position()); |
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int intersectionLength = std::min(format->start + format->length, block.position() + block.length()) - intersectionStart; |
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if (intersectionLength > 0) |
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{ |
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QTextLayout::FormatRange range; |
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range.format = _settings.formats[format->token]; |
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range.start = format->start - block.position(); |
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range.length = format->length; |
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ranges.append(range); |
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} |
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++format; |
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} |
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} |
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} |
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} |
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@ -0,0 +1,94 @@ |
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/*
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This file is part of cpp-ethereum. |
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|
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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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|
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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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|
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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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namespace solidity |
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{ |
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class ASTNode; |
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class Scanner; |
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struct Location; |
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} |
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namespace mix |
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{ |
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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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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 bg; |
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///Foreground color
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QColor fg; |
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}; |
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class CodeHighlighter |
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{ |
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public: |
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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, solidity::Location const& _location); |
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bool operator<(FormatRange const& _other) { 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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typedef std::vector<FormatRange> Formats; // Sorted by start position
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public: |
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/// Collect highligting information
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void processSource(solidity::Scanner* _scanner); |
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void processAST(solidity::ASTNode const& _ast); |
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void updateFormatting(QTextDocument* _document, CodeHighlighterSettings const& _settings); |
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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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