forked from qt-creator/qt-creator
75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
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/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#include "glslhighlighter.h"
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#include <glsl/glsllexer.h>
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#include <glsl/glslparser.h>
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#include <QtCore/QDebug>
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using namespace GLSLEditor;
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using namespace GLSLEditor::Internal;
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Highlighter::Highlighter(QTextDocument *parent)
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: TextEditor::SyntaxHighlighter(parent)
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{
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}
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Highlighter::~Highlighter()
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{
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}
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void Highlighter::setFormats(const QVector<QTextCharFormat> &formats)
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{
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qCopy(formats.begin(), formats.end(), m_formats);
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}
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void Highlighter::highlightBlock(const QString &text)
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{
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const QByteArray data = text.toLatin1();
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GLSL::Lexer lex(data.constData(), data.size());
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lex.setState(qMax(0, previousBlockState()));
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lex.setScanKeywords(false);
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lex.setScanComments(true);
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GLSL::Token tk;
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do {
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lex.yylex(&tk);
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if (tk.is(GLSL::Parser::T_NUMBER))
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setFormat(tk.position, tk.length, m_formats[GLSLNumberFormat]);
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else if (tk.is(GLSL::Parser::T_COMMENT))
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setFormat(tk.position, tk.length, Qt::darkGreen); // ### FIXME: m_formats[GLSLCommentFormat]);
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else if (tk.is(GLSL::Parser::T_IDENTIFIER)) {
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if (lex.findKeyword(data.constData() + tk.position, tk.length) != GLSL::Parser::T_IDENTIFIER)
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setFormat(tk.position, tk.length, m_formats[GLSLKeywordFormat]);
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}
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} while (tk.isNot(GLSL::Parser::EOF_SYMBOL));
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setCurrentBlockState(lex.state());
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}
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