Rework API for getting at instructions

[frida/frida.git] / src / gui / widgets / BasicBlockWidget.cxx

diff --git a/src/gui/widgets/BasicBlockWidget.cxx b/src/gui/widgets/BasicBlockWidget.cxx
index 8e7e440433f6d0948cf7505599517be730bcd03e..37814014596b29e860a53778b9b09cfbc551ff33 100644 (file)
--- a/src/gui/widgets/BasicBlockWidget.cxx
+++ b/src/gui/widgets/BasicBlockWidget.cxx
@@ -2,6 +2,10 @@
 #include "gui/Mainwindow.hxx"
 #include "gui/dialogs/SimpleStringDialog.hxx"
 #include "core/BasicBlock.hxx"
+#include "core/Function.hxx"
+#include "core/InformationManager.hxx"
+#include "core/events/RenameFunctionEvent.hxx"
+#include <iostream>
 
 class CustomQGraphicsTextItem : public QObject, public QGraphicsTextItem {
 public:
@@ -61,47 +65,17 @@ BasicBlockWidget::BasicBlockWidget(const QString& name, BasicBlock * block,
        : width(270), height(45), name(name)
        , _table(NULL)
        , block(block), mainwindow(mainwindow)
-       , logger(log4cxx::Logger::getLogger(name.toStdString() + "BasicBlock")) {
+       , logger(log4cxx::Logger::getLogger("gui.BasicBlockWidget." + name.toStdString())) {
        next[0] = NULL; next[1] = NULL;
+
+       block->getManager()->registerRenameFunctionEvent([=](RenameFunctionEvent* event) {updateFunctionName(event);});
+
        _widget.reset(new CustomQGraphicsTextItem("", this));
        _widget->setPos(5, 20);
        _widget->setTextInteractionFlags(Qt::TextSelectableByMouse|
                                        Qt::LinksAccessibleByMouse);
 
        if (width < 250) width = 250;
-}
-
-void BasicBlockWidget::addItem(uint8_t* bytes, size_t num_bytes,
-                               QString line, const QString& href) {
-       QString bytestring;
-       int row;
-
-       if (_table) {
-               row = _table->rows();
-               _table->appendRows(1);
-       } else {
-               row = 0;
-               QTextTableFormat format;
-               format.setBorderStyle(QTextFrameFormat::BorderStyle_None);
-               format.setBorder(0);
-               _table = _widget->textCursor().insertTable(1, 3, format);
-       }
-
-       for (size_t i(0); i < num_bytes; ++i) {
-               const char * hexdigits = "0123456789ABCDEF";
-               bytestring += hexdigits[(bytes[i] >> 4) & 0xF];
-               bytestring += hexdigits[bytes[i] & 0xF];
-               bytestring += ' ';
-       }
-
-       _table->cellAt(row, 0).firstCursorPosition().insertText(bytestring);
-
-       line = line.replace('\t', ' ').toHtmlEscaped();
-       if (href != "") {
-               line = "<a href=\"" + href + "\">" + line + "</a>";
-       }
-
-       _table->cellAt(row, 1).firstCursorPosition().insertHtml(line);
 
        QObject::connect(_widget.get(), &QGraphicsTextItem::linkActivated,
                         [=](QString str) {
@@ -110,10 +84,82 @@ void BasicBlockWidget::addItem(uint8_t* bytes, size_t num_bytes,
                                         mainwindow->switchMainPlaneToAddress(address.toInt(NULL, 16));
                                 }
                         });
+       instructions = block->getInstructions();
+       populateWidget();
+}
+
+void BasicBlockWidget::updateFunctionName(RenameFunctionEvent *event) {
+       QString search = QString("function:") + QString::number(event->address, 16);
+       QTextDocument *document = _widget->document();
+       QTextBlock b = document->begin();
+       while (b.isValid()) {
+               for (QTextBlock::iterator i = b.begin(); !i.atEnd(); ++i) {
+                       QTextCharFormat format = i.fragment().charFormat();
+                       bool isLink = format.isAnchor();
+                       if (isLink)
+                       {
+                               if (search == format.anchorHref()) {
+                                       LOG4CXX_DEBUG(logger, i.fragment().text().toStdString() << " ---> " << format.anchorHref().toStdString());
+                                       QTextCursor c(b);
+                                       c.setPosition(i.fragment().position());
+                                       c.movePosition(QTextCursor::Right, QTextCursor::MoveAnchor, i.fragment().length());
+                                       c.movePosition(QTextCursor::Left,  QTextCursor::KeepAnchor, i.fragment().length());
+                                       c.movePosition(QTextCursor::WordRight,  QTextCursor::KeepAnchor);
+                                       c.insertText(event->new_name.c_str());
+                               }
+                       }
+               }
+               b = b.next();
+       }
+}
+
+void BasicBlockWidget::populateWidget() {
+       int row;
+       QTextTableFormat format;
+       format.setBorderStyle(QTextFrameFormat::BorderStyle_None);
+       format.setBorder(0);
+
+       for (Instruction& inst : instructions) {
+               if (_table) {
+                       row = _table->rows();
+                       _table->appendRows(1);
+               } else {
+                       row = 0;
+                       _table = _widget->textCursor().insertTable(1, 3, format);
+               }
+               QString bytestring;
+               for (uint8_t byte : inst.getBytes()) {
+                       const char * hexdigits = "0123456789ABCDEF";
+                       bytestring += hexdigits[(byte >> 4) & 0xF];
+                       bytestring += hexdigits[byte & 0xF];
+                       bytestring += ' ';
+               }
+               _table->cellAt(row, 0).firstCursorPosition().insertText(bytestring);
+
+               QString line = inst.getText().c_str();
+               line = line.replace('\t', ' ').toHtmlEscaped();
+               if (inst.getReference() != "") {
+                       QString href = inst.getReference().c_str();
+                       QStringList list = href.split(":");
+                       if (list[0] == "function") {
+                               uint64_t address = href.split(":")[1].toLongLong(NULL, 16);
+                               Function* fun = block->getManager()->getFunction(address);
+
+                               if (fun) {
+                                       line = line.split(" ")[0] + " " + QString(fun->getName().c_str()).toHtmlEscaped();
+                                       LOG4CXX_DEBUG(logger, "Naming function at " << address << " " << fun->getName());
+                               }
+                       }
+                       line = "<a href=\"" + href + "\">" + line + "</a>";
+               }
+
+               _table->cellAt(row, 1).firstCursorPosition().insertHtml(line);
+       }
 }
 
-void BasicBlockWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
-                  QWidget *widget) {
+void BasicBlockWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem*,
+                  QWidget*) {
+       _widget->adjustSize();
        width = 10 + _widget->boundingRect().width();
        height = 25 + _widget->boundingRect().height();
        if (width < 250) width = 250;