Add information about register used in a function #381 (#442)

* Add information about register used in a function #381

src/Cutter.cpp

@@ -671,6 +671,11 @@ QString CutterCore::getOffsetInfo(QString addr)
     return cmd("ao @ " + addr);
 }
 
+QJsonDocument CutterCore::getRegistersInfo()
+{
+    return cmdj("aeafj");
+}
+
 RVA CutterCore::getOffsetJump(RVA addr)
 {
     bool ok;

src/Cutter.h

@@ -385,6 +385,7 @@ public:
     ulong get_baddr();
     QList<QList<QString>> get_exec_sections();
     QString getOffsetInfo(QString addr);
+    QJsonDocument getRegistersInfo();
     RVA getOffsetJump(RVA addr);
     QString getDecompiledCode(RVA addr);
     QString getDecompiledCode(QString addr);

src/widgets/SidebarWidget.cpp

@@ -14,7 +14,8 @@
 #include <QFont>
 #include <QUrl>
 #include <QSettings>
-
+#include <QJsonObject>
+#include <QJsonArray>
 
 SidebarWidget::SidebarWidget(MainWindow *main, QAction *action) :
     CutterDockWidget(main, action),
@@ -52,6 +53,7 @@ void SidebarWidget::refresh(RVA addr)
     updateRefs(addr);
     setFcnName(addr);
     fillOffsetInfo(RAddressString(addr));
+    fillRegistersInfo();
 }
 
 void SidebarWidget::on_xrefFromTreeWidget_itemDoubleClicked(QTreeWidgetItem *item, int /*column*/)
@@ -110,6 +112,17 @@ void SidebarWidget::on_xrefToToolButton_clicked()
     }
 }
 
+void SidebarWidget::on_regInfoToolButton_clicked()
+{
+    if (ui->regInfoToolButton->isChecked()) {
+        ui->regInfoTreeWidget->hide();
+        ui->regInfoToolButton->setArrowType(Qt::RightArrow);
+    } else {
+        ui->regInfoTreeWidget->show();
+        ui->regInfoToolButton->setArrowType(Qt::DownArrow);
+    }
+}
+
 void SidebarWidget::updateRefs(RVA addr)
 {
     // refs = calls q hace esa funcion
@@ -211,3 +224,27 @@ void SidebarWidget::setScrollMode()
     qhelpers::setVerticalScrollMode(ui->xrefFromTreeWidget);
     qhelpers::setVerticalScrollMode(ui->xrefToTreeWidget);
 }
+
+void SidebarWidget::fillRegistersInfo()
+{
+    TempConfig tempConfig;
+    tempConfig.set("scr.html", false)
+    .set("scr.color", COLOR_MODE_DISABLED);
+
+    ui->regInfoTreeWidget->clear();
+
+    QJsonObject jsonRoot = Core()->getRegistersInfo().object();
+    foreach (QString key, jsonRoot.keys()) {
+        QTreeWidgetItem *tempItem = new QTreeWidgetItem();
+        QString tempString;
+        tempItem->setText(0, key.toUpper());
+        foreach (QJsonValue value, jsonRoot[key].toArray()) {
+            tempString.append(value.toString() + " ");
+        }
+        tempItem->setText(1, tempString);
+        ui->regInfoTreeWidget->addTopLevelItem(tempItem);
+    }
+
+    // Adjust columns to content
+    qhelpers::adjustColumns(ui->regInfoTreeWidget, 0);
+}

src/widgets/SidebarWidget.h

@@ -39,6 +39,7 @@ private:
     void updateRefs(RVA addr);
     void fillRefs(QList<XrefDescription> refs, QList<XrefDescription> xrefs);
     void fillOffsetInfo(QString off);
+    void fillRegistersInfo();
 
     void setScrollMode();
 
@@ -54,6 +55,7 @@ private slots:
     void on_opcodeDescToolButton_clicked();
     void on_xrefFromToolButton_clicked();
     void on_xrefToToolButton_clicked();
+    void on_regInfoToolButton_clicked();
 };
 
 #endif // SIDEBARWIDGET_H

src/widgets/SidebarWidget.ui

@@ -317,6 +317,92 @@
             </property>
            </widget>
           </item>
+          <item>
+           <layout class="QHBoxLayout" name="horizontalLayout_17">
+            <property name="spacing">
+             <number>5</number>
+            </property>
+            <property name="topMargin">
+             <number>0</number>
+            </property>
+            <item>
+             <widget class="QToolButton" name="regInfoToolButton">
+              <property name="text">
+               <string/>
+              </property>
+              <property name="iconSize">
+               <size>
+                <width>8</width>
+                <height>8</height>
+               </size>
+              </property>
+              <property name="checkable">
+               <bool>true</bool>
+              </property>
+              <property name="autoRaise">
+               <bool>true</bool>
+              </property>
+              <property name="arrowType">
+               <enum>Qt::DownArrow</enum>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <widget class="QLabel" name="label_4">
+              <property name="font">
+               <font>
+                <weight>75</weight>
+                <bold>true</bold>
+               </font>
+              </property>
+              <property name="mouseTracking">
+               <bool>true</bool>
+              </property>
+              <property name="text">
+               <string>Function registers info:</string>
+              </property>
+             </widget>
+            </item>
+           </layout>
+          </item>
+          <item>
+           <widget class="QTreeWidget" name="regInfoTreeWidget">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="minimumSize">
+             <size>
+              <width>0</width>
+              <height>100</height>
+             </size>
+            </property>
+            <property name="frameShape">
+             <enum>QFrame::NoFrame</enum>
+            </property>
+            <property name="horizontalScrollBarPolicy">
+             <enum>Qt::ScrollBarAlwaysOff</enum>
+            </property>
+            <property name="indentation">
+             <number>10</number>
+            </property>
+            <property name="headerHidden">
+             <bool>true</bool>
+            </property>
+            <column>
+             <property name="text">
+              <string>Info</string>
+             </property>
+            </column>
+            <column>
+             <property name="text">
+              <string>Value</string>
+             </property>
+            </column>
+           </widget>
+          </item>
           <item>
            <layout class="QHBoxLayout" name="horizontalLayout_16">
             <property name="spacing">