From 2aa33db8be7397d39080e6ec96a9158e0c1e63e5 Mon Sep 17 00:00:00 2001
From: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Date: Tue, 2 Jul 2019 18:53:21 +0200
Subject: Simple highlighter for assembly language added.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
---
 qtmips_gui/qtmips_gui.pro      |  6 ++++--
 qtmips_gui/srceditor.cpp       |  4 +++-
 qtmips_gui/srceditor.h         |  2 ++
 qtmips_machine/instruction.cpp | 14 ++++++++++++++
 qtmips_machine/instruction.h   |  3 +++
 5 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/qtmips_gui/qtmips_gui.pro b/qtmips_gui/qtmips_gui.pro
index 1075f96..ae4f525 100644
--- a/qtmips_gui/qtmips_gui.pro
+++ b/qtmips_gui/qtmips_gui.pro
@@ -74,7 +74,8 @@ SOURCES += \
     hinttabledelegate.cpp \
     coreview/minimux.cpp \
     srceditor.cpp \
-    fixmatheval.cpp
+    fixmatheval.cpp \
+    highlighter.cpp
 
 HEADERS += \
         mainwindow.h \
@@ -119,7 +120,8 @@ HEADERS += \
     hinttabledelegate.h \
     coreview/minimux.h \
     srceditor.h \
-    fixmatheval.h
+    fixmatheval.h \
+    highlighter.h
 
 wasm: SOURCES += \
     qhtml5file_html5.cpp
diff --git a/qtmips_gui/srceditor.cpp b/qtmips_gui/srceditor.cpp
index e8bdb85..bb6da16 100644
--- a/qtmips_gui/srceditor.cpp
+++ b/qtmips_gui/srceditor.cpp
@@ -40,6 +40,7 @@
 #include <QTextBlock>
 
 #include "srceditor.h"
+#include "highlighter.h"
 
 void SrcEditor::setup_common() {
     QFont font;
@@ -48,6 +49,7 @@ void SrcEditor::setup_common() {
     font.setPointSize(10);
     setFont(font);
     tname = "Unknown";
+    highlighter = new Highlighter(document());
 }
 
 SrcEditor::SrcEditor(QWidget *parent) : Super(parent) {
@@ -59,7 +61,7 @@ SrcEditor::SrcEditor(const QString &text, QWidget *parent) : Super(text, parent)
 }
 
 SrcEditor::~SrcEditor() {
-
+    delete highlighter;
 }
 
 QString SrcEditor::filename() {
diff --git a/qtmips_gui/srceditor.h b/qtmips_gui/srceditor.h
index 9d25be7..1c2e677 100644
--- a/qtmips_gui/srceditor.h
+++ b/qtmips_gui/srceditor.h
@@ -39,6 +39,7 @@
 #include <QTextEdit>
 #include <QString>
 #include "qtmipsmachine.h"
+#include "highlighter.h"
 
 class SrcEditor : public QTextEdit {
     Q_OBJECT
@@ -54,6 +55,7 @@ public:
     bool loadByteArray(const QByteArray &content, QString filename = "");
     void setCursorToLine(int ln);
 private:
+    Highlighter *highlighter;
     void setup_common();
     QString fname;
     QString tname;
diff --git a/qtmips_machine/instruction.cpp b/qtmips_machine/instruction.cpp
index 502fa81..6792aa6 100644
--- a/qtmips_machine/instruction.cpp
+++ b/qtmips_machine/instruction.cpp
@@ -1073,6 +1073,9 @@ ssize_t Instruction::code_from_string(std::uint32_t *code, size_t buffsize,
                        std::uint32_t inst_addr, RelocExpressionList *reloc,
                        int line, bool pseudo_opt, int options)
 {
+    if (str_to_instruction_code_map.isEmpty())
+        instruction_from_string_build_base();
+
     int field = 0;
     std::uint32_t inst_code = 0;
     auto i = str_to_instruction_code_map.lowerBound(inst_base);
@@ -1321,3 +1324,14 @@ bool Instruction::update(std::int64_t val, RelocExpression *relocexp) {
     dt |= (val << relocexp->lsb_bit) & mask;
     return true;
 }
+
+void Instruction::append_recognized_instructions(QStringList &list) {
+    if (str_to_instruction_code_map.isEmpty())
+        instruction_from_string_build_base();
+
+    foreach (const QString &str, str_to_instruction_code_map.keys())
+        list.append(str);
+    list.append("LA");
+    list.append("LI");
+    list.append("NOP");
+}
diff --git a/qtmips_machine/instruction.h b/qtmips_machine/instruction.h
index 76fca87..101d82f 100644
--- a/qtmips_machine/instruction.h
+++ b/qtmips_machine/instruction.h
@@ -38,6 +38,7 @@
 
 #include <QObject>
 #include <QString>
+#include <QStringList>
 #include <QVector>
 
 #include "machinedefs.h"
@@ -159,6 +160,8 @@ public:
                            int line = 0, bool pseudo_opt = false, int options = 0);
 
     bool update(std::int64_t val, RelocExpression *relocexp);
+
+    static void append_recognized_instructions(QStringList &list);
 private:
     std::uint32_t dt;
 };
-- 
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