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-rw-r--r--qtmips_gui/highlighter.cpp141
-rw-r--r--qtmips_gui/highlighter.h79
2 files changed, 220 insertions, 0 deletions
diff --git a/qtmips_gui/highlighter.cpp b/qtmips_gui/highlighter.cpp
new file mode 100644
index 0000000..5924eba
--- /dev/null
+++ b/qtmips_gui/highlighter.cpp
@@ -0,0 +1,141 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*******************************************************************************
+ * QtMips - MIPS 32-bit Architecture Subset Simulator
+ *
+ * Implemented to support following courses:
+ *
+ * B35APO - Computer Architectures
+ * https://cw.fel.cvut.cz/wiki/courses/b35apo
+ *
+ * B4M35PAP - Advanced Computer Architectures
+ * https://cw.fel.cvut.cz/wiki/courses/b4m35pap/start
+ *
+ * Copyright (c) 2017-2019 Karel Koci<cynerd@email.cz>
+ * Copyright (c) 2019 Pavel Pisa <pisa@cmp.felk.cvut.cz>
+ *
+ * Faculty of Electrical Engineering (http://www.fel.cvut.cz)
+ * Czech Technical University (http://www.cvut.cz/)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ ******************************************************************************/
+/* Based on Qt example released under BSD license */
+
+#include "QStringList"
+#include "highlighter.h"
+#include "instruction.h"
+
+Highlighter::Highlighter(QTextDocument *parent)
+ : QSyntaxHighlighter(parent)
+{
+ HighlightingRule rule;
+
+ keywordFormat.setForeground(Qt::darkBlue);
+ keywordFormat.setFontWeight(QFont::Bold);
+ const QString keywordPatterns[] = {
+ QStringLiteral("\\.org\\b"), QStringLiteral("\\.word\\b"),
+ QStringLiteral("\\.text\\b"), QStringLiteral("\\.data\\b")
+ };
+
+ for (const QString &pattern : keywordPatterns) {
+ rule.pattern = QRegularExpression(pattern);
+ rule.format = keywordFormat;
+ highlightingRules.append(rule);
+ }
+
+ QStringList inst_list;
+ machine::Instruction::append_recognized_instructions(inst_list);
+ foreach (const QString &str, inst_list) {
+ rule.pattern = QRegularExpression("\\b" + str + "\\b");
+ rule.format = keywordFormat;
+ highlightingRules.append(rule);
+ rule.pattern = QRegularExpression("\\b" + str.toLower() + "\\b");
+ rule.format = keywordFormat;
+ highlightingRules.append(rule);
+ }
+
+ registerFormat.setFontWeight(QFont::Bold);
+ registerFormat.setForeground(Qt::darkMagenta);
+ QStringList reg_list;
+ machine::Instruction::append_recognized_registers(reg_list);
+ foreach (const QString &str, reg_list) {
+ rule.pattern = QRegularExpression("\\$" + str + "\\b");
+ rule.format = registerFormat;
+ highlightingRules.append(rule);
+ }
+ rule.pattern = QRegularExpression("\\$[0-9]+\\b");
+ rule.format = registerFormat;
+ highlightingRules.append(rule);
+
+ singleLineCommentFormat.setForeground(Qt::red);
+ rule.pattern = QRegularExpression(QStringLiteral(";[^\n]*"));
+ rule.format = singleLineCommentFormat;
+ highlightingRules.append(rule);
+
+ singleLineCommentFormat.setForeground(Qt::red);
+ rule.pattern = QRegularExpression(QStringLiteral("#[^\n]*"));
+ rule.format = singleLineCommentFormat;
+ highlightingRules.append(rule);
+
+ multiLineCommentFormat.setForeground(Qt::red);
+
+ quotationFormat.setForeground(Qt::darkGreen);
+ rule.pattern = QRegularExpression(QStringLiteral("\".*\""));
+ rule.format = quotationFormat;
+ highlightingRules.append(rule);
+
+ //functionFormat.setFontItalic(true);
+ //functionFormat.setForeground(Qt::blue);
+ //rule.pattern = QRegularExpression(QStringLiteral("\\b[A-Za-z0-9_]+(?=\\()"));
+ //rule.format = functionFormat;
+ //highlightingRules.append(rule);
+
+ //commentStartExpression = QRegularExpression(QStringLiteral("/\\*"));
+ //commentEndExpression = QRegularExpression(QStringLiteral("\\*/"));
+}
+
+void Highlighter::highlightBlock(const QString &text)
+{
+ for (const HighlightingRule &rule : qAsConst(highlightingRules)) {
+ QRegularExpressionMatchIterator matchIterator = rule.pattern.globalMatch(text);
+ while (matchIterator.hasNext()) {
+ QRegularExpressionMatch match = matchIterator.next();
+ setFormat(match.capturedStart(), match.capturedLength(), rule.format);
+ }
+ }
+ setCurrentBlockState(0);
+
+#if 0
+ int startIndex = 0;
+ if (previousBlockState() != 1)
+ startIndex = text.indexOf(commentStartExpression);
+
+ while (startIndex >= 0) {
+ QRegularExpressionMatch match = commentEndExpression.match(text, startIndex);
+ int endIndex = match.capturedStart();
+ int commentLength = 0;
+ if (endIndex == -1) {
+ setCurrentBlockState(1);
+ commentLength = text.length() - startIndex;
+ } else {
+ commentLength = endIndex - startIndex
+ + match.capturedLength();
+ }
+ setFormat(startIndex, commentLength, multiLineCommentFormat);
+ startIndex = text.indexOf(commentStartExpression, startIndex + commentLength);
+ }
+#endif
+}
diff --git a/qtmips_gui/highlighter.h b/qtmips_gui/highlighter.h
new file mode 100644
index 0000000..93f1d77
--- /dev/null
+++ b/qtmips_gui/highlighter.h
@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*******************************************************************************
+ * QtMips - MIPS 32-bit Architecture Subset Simulator
+ *
+ * Implemented to support following courses:
+ *
+ * B35APO - Computer Architectures
+ * https://cw.fel.cvut.cz/wiki/courses/b35apo
+ *
+ * B4M35PAP - Advanced Computer Architectures
+ * https://cw.fel.cvut.cz/wiki/courses/b4m35pap/start
+ *
+ * Copyright (c) 2017-2019 Karel Koci<cynerd@email.cz>
+ * Copyright (c) 2019 Pavel Pisa <pisa@cmp.felk.cvut.cz>
+ *
+ * Faculty of Electrical Engineering (http://www.fel.cvut.cz)
+ * Czech Technical University (http://www.cvut.cz/)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ ******************************************************************************/
+/* Based on Qt example released under BSD license */
+
+#ifndef HIGHLIGHTER_H
+#define HIGHLIGHTER_H
+
+#include <QSyntaxHighlighter>
+#include <QTextCharFormat>
+#include <QRegularExpression>
+
+QT_BEGIN_NAMESPACE
+class QTextDocument;
+QT_END_NAMESPACE
+
+//! [0]
+class Highlighter : public QSyntaxHighlighter
+{
+ Q_OBJECT
+
+public:
+ Highlighter(QTextDocument *parent = 0);
+
+protected:
+ void highlightBlock(const QString &text) override;
+
+private:
+ struct HighlightingRule
+ {
+ QRegularExpression pattern;
+ QTextCharFormat format;
+ };
+ QVector<HighlightingRule> highlightingRules;
+
+ QRegularExpression commentStartExpression;
+ QRegularExpression commentEndExpression;
+
+ QTextCharFormat keywordFormat;
+ QTextCharFormat registerFormat;
+ QTextCharFormat singleLineCommentFormat;
+ QTextCharFormat multiLineCommentFormat;
+ QTextCharFormat quotationFormat;
+ QTextCharFormat functionFormat;
+};
+//! [0]
+
+#endif // HIGHLIGHTER_H