Include forgotten highlighter sources.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>

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