[gnome-builder/wip/chergert/bug1: 63/101] debugger: start on disassembly view

[Christian Hergert <chergert src gnome org>]

commit 738293cafe57ac0d26fa2e377f83292ed80f8efe
Author: Christian Hergert <chergert redhat com>
Date:   Mon Aug 28 16:18:49 2017 -0700

    debugger: start on disassembly view

 libide/debugger/ide-debugger-disassembly-view.c  |  132 ++++++++++++++++++++++
 libide/debugger/ide-debugger-disassembly-view.h  |   37 ++++++
 libide/debugger/ide-debugger-disassembly-view.ui |   24 ++++
 libide/debugger/ide-debugger-perspective.c       |   28 +++++-
 libide/libide.gresource.xml                      |    1 +
 libide/meson.build                               |    2 +
 6 files changed, 222 insertions(+), 2 deletions(-)
---
diff --git a/libide/debugger/ide-debugger-disassembly-view.c b/libide/debugger/ide-debugger-disassembly-view.c
new file mode 100644
index 0000000..0efd3e4
--- /dev/null
+++ b/libide/debugger/ide-debugger-disassembly-view.c
@@ -0,0 +1,132 @@
+/* ide-debugger-disassembly-view.c
+ *
+ * Copyright (C) 2017 Christian Hergert <chergert redhat com>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#define G_LOG_DOMAIN "ide-debugger-disassembly-view"
+
+#include <gtksourceview/gtksource.h>
+
+#include "debugger/ide-debugger-disassembly-view.h"
+#include "debugger/ide-debugger-instruction.h"
+
+struct _IdeDebuggerDisassemblyView
+{
+  IdeLayoutView       parent_instance;
+
+  /* Owned references */
+  GPtrArray          *instructions;
+
+  /* Template references */
+  GtkSourceView      *source_view;
+  GtkSourceBuffer    *source_buffer;
+
+  IdeDebuggerAddress  current_address;
+};
+
+G_DEFINE_TYPE (IdeDebuggerDisassemblyView, ide_debugger_disassembly_view, IDE_TYPE_LAYOUT_VIEW)
+
+static void
+ide_debugger_disassembly_view_destroy (GtkWidget *widget)
+{
+  IdeDebuggerDisassemblyView *self = (IdeDebuggerDisassemblyView *)widget;
+
+  g_clear_pointer (&self->instructions, g_ptr_array_unref);
+
+  GTK_WIDGET_CLASS (ide_debugger_disassembly_view_parent_class)->destroy (widget);
+}
+
+static void
+ide_debugger_disassembly_view_class_init (IdeDebuggerDisassemblyViewClass *klass)
+{
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+  widget_class->destroy = ide_debugger_disassembly_view_destroy;
+
+  gtk_widget_class_set_template_from_resource (widget_class, 
"/org/gnome/builder/ui/ide-debugger-disassembly-view.ui");
+  gtk_widget_class_bind_template_child (widget_class, IdeDebuggerDisassemblyView, source_buffer);
+  gtk_widget_class_bind_template_child (widget_class, IdeDebuggerDisassemblyView, source_view);
+}
+
+static void
+ide_debugger_disassembly_view_init (IdeDebuggerDisassemblyView *self)
+{
+  gtk_widget_init_template (GTK_WIDGET (self));
+}
+
+void
+ide_debugger_disassembly_view_set_current_address (IdeDebuggerDisassemblyView *self,
+                                                   IdeDebuggerAddress          current_address)
+{
+  g_return_if_fail (IDE_IS_DEBUGGER_DISASSEMBLY_VIEW (self));
+
+  self->current_address = current_address;
+
+  /* Update gutter/etc */
+}
+
+/**
+ * ide_debugger_disassembly_view_set_instructions:
+ * @self: a #IdeDebuggerDisassemblyView
+ * @instructions: (nullable) (element-type Ide.DebuggerInstruction): An array of
+ *   instructions or %NULL.
+ *
+ * Sets the instructions to display in the disassembly view.
+ *
+ * This will take a reference to @instructions if non-%NULL so it is
+ * important that you do not modify @instructions after calling this.
+ */
+void
+ide_debugger_disassembly_view_set_instructions (IdeDebuggerDisassemblyView *self,
+                                                GPtrArray                  *instructions)
+{
+  g_return_if_fail (IDE_IS_DEBUGGER_DISASSEMBLY_VIEW (self));
+
+  if (self->instructions == instructions)
+    return;
+
+  g_clear_pointer (&self->instructions, g_ptr_array_unref);
+  if (instructions != NULL)
+    self->instructions = g_ptr_array_ref (instructions);
+
+  gtk_text_buffer_set_text (GTK_TEXT_BUFFER (self->source_buffer), "", 0);
+
+  if (self->instructions != NULL && self->instructions->len > 0)
+    {
+      IdeDebuggerAddress first;
+      GtkTextIter iter;
+      GtkTextIter trim;
+
+      first = ide_debugger_instruction_get_address (g_ptr_array_index (self->instructions, 0));
+
+      gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (self->source_buffer), &iter);
+
+      for (guint i = 0; i < self->instructions->len; i++)
+        {
+          IdeDebuggerInstruction *inst = g_ptr_array_index (self->instructions, i);
+          g_autofree gchar *str = g_strdup_printf ("0x%"G_GINT64_MODIFIER"x <+%03"G_GINT64_MODIFIER"u>:  
%s\n",
+                                                   ide_debugger_instruction_get_address (inst),
+                                                   ide_debugger_instruction_get_address (inst) - first,
+                                                   ide_debugger_instruction_get_display (inst));
+          gtk_text_buffer_insert (GTK_TEXT_BUFFER (self->source_buffer), &iter, str, -1);
+        }
+
+      /* Trim the trailing \n */
+      trim = iter;
+      gtk_text_iter_backward_char (&iter);
+      gtk_text_buffer_delete (GTK_TEXT_BUFFER (self->source_buffer), &iter, &trim);
+    }
+}
diff --git a/libide/debugger/ide-debugger-disassembly-view.h b/libide/debugger/ide-debugger-disassembly-view.h
new file mode 100644
index 0000000..09d1488
--- /dev/null
+++ b/libide/debugger/ide-debugger-disassembly-view.h
@@ -0,0 +1,37 @@
+/* ide-debugger-disassembly-view.h
+ *
+ * Copyright (C) 2017 Christian Hergert <chergert redhat com>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <gtk/gtk.h>
+
+#include "debugger/ide-debugger-types.h"
+#include "layout/ide-layout-view.h"
+
+G_BEGIN_DECLS
+
+#define IDE_TYPE_DEBUGGER_DISASSEMBLY_VIEW (ide_debugger_disassembly_view_get_type())
+
+G_DECLARE_FINAL_TYPE (IdeDebuggerDisassemblyView, ide_debugger_disassembly_view, IDE, 
DEBUGGER_DISASSEMBLY_VIEW, IdeLayoutView)
+
+void ide_debugger_disassembly_view_set_current_address (IdeDebuggerDisassemblyView *self,
+                                                        IdeDebuggerAddress          address);
+void ide_debugger_disassembly_view_set_instructions    (IdeDebuggerDisassemblyView *self,
+                                                        GPtrArray                  *instructions);
+
+G_END_DECLS
diff --git a/libide/debugger/ide-debugger-disassembly-view.ui 
b/libide/debugger/ide-debugger-disassembly-view.ui
new file mode 100644
index 0000000..f84cee0
--- /dev/null
+++ b/libide/debugger/ide-debugger-disassembly-view.ui
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <template class="IdeDebuggerDisassemblyView" parent="IdeLayoutView">
+    <property name="icon-name">application-x-executable-symbolic</property>
+    <property name="title" translatable="yes">Disassembly</property>
+    <child>
+      <object class="GtkScrolledWindow">
+        <property name="expand">true</property>
+        <property name="visible">true</property>
+        <child>
+          <object class="GtkSourceView" id="source_view">
+            <property name="show-line-numbers">true</property>
+            <property name="editable">false</property>
+            <property name="monospace">true</property>
+            <property name="buffer">source_buffer</property>
+            <property name="visible">true</property>
+          </object>
+        </child>
+      </object>
+    </child>
+  </template>
+  <object class="GtkSourceBuffer" id="source_buffer">
+  </object>
+</interface>
diff --git a/libide/debugger/ide-debugger-perspective.c b/libide/debugger/ide-debugger-perspective.c
index b57ba17..4114da2 100644
--- a/libide/debugger/ide-debugger-perspective.c
+++ b/libide/debugger/ide-debugger-perspective.c
@@ -26,6 +26,7 @@
 #include "buffers/ide-buffer.h"
 #include "debugger/ide-debugger.h"
 #include "debugger/ide-debugger-breakpoints-view.h"
+#include "debugger/ide-debugger-disassembly-view.h"
 #include "debugger/ide-debugger-locals-view.h"
 #include "debugger/ide-debugger-libraries-view.h"
 #include "debugger/ide-debugger-perspective.h"
@@ -434,6 +435,14 @@ ide_debugger_perspective_init (IdeDebuggerPerspective *self)
 }
 
 static void
+locate_disassembly_view (GtkWidget                   *widget,
+                         IdeDebuggerDisassemblyView **view)
+{
+  if (IDE_IS_DEBUGGER_DISASSEMBLY_VIEW (widget))
+    *view = IDE_DEBUGGER_DISASSEMBLY_VIEW (widget);
+}
+
+static void
 ide_debugger_perspective_disassemble_cb (GObject      *object,
                                          GAsyncResult *result,
                                          gpointer      user_data)
@@ -442,6 +451,7 @@ ide_debugger_perspective_disassemble_cb (GObject      *object,
   g_autoptr(IdeDebuggerPerspective) self = user_data;
   g_autoptr(GError) error = NULL;
   g_autoptr(GPtrArray) instructions = NULL;
+  IdeDebuggerDisassemblyView *view = NULL;
 
   IDE_ENTRY;
 
@@ -457,7 +467,21 @@ ide_debugger_perspective_disassemble_cb (GObject      *object,
       IDE_EXIT;
     }
 
+  ide_layout_grid_foreach_view (self->layout_grid,
+                                (GtkCallback) locate_disassembly_view,
+                                &view);
+
+  if (view == NULL)
+    {
+      view = g_object_new (IDE_TYPE_DEBUGGER_DISASSEMBLY_VIEW,
+                           "visible", TRUE,
+                           NULL);
+      gtk_container_add (GTK_CONTAINER (self->layout_grid), GTK_WIDGET (view));
+    }
+
+  ide_debugger_disassembly_view_set_instructions (view, instructions);
 
+  /* TODO: Set current instruction */
 }
 
 void
@@ -479,9 +503,9 @@ ide_debugger_perspective_navigate_to_address (IdeDebuggerPerspective *self,
     range.from = address - 0x10;
 
   if (G_MAXUINT64 - 0x20 < address)
-    range.from = G_MAXUINT64;
+    range.to = G_MAXUINT64;
   else
-    range.from = address + 0x20;
+    range.to = address + 0x20;
 
   ide_debugger_disassemble_async (self->debugger,
                                   &range,
diff --git a/libide/libide.gresource.xml b/libide/libide.gresource.xml
index 0a4a9b9..73e6457 100644
--- a/libide/libide.gresource.xml
+++ b/libide/libide.gresource.xml
@@ -57,6 +57,7 @@
   <gresource prefix="/org/gnome/builder/ui">
     <file compressed="true" preprocess="xml-stripblanks" 
alias="ide-debugger-breakpoints-view.ui">debugger/ide-debugger-breakpoints-view.ui</file>
     <file compressed="true" preprocess="xml-stripblanks" 
alias="ide-debugger-controls.ui">debugger/ide-debugger-controls.ui</file>
+    <file compressed="true" preprocess="xml-stripblanks" 
alias="ide-debugger-disassembly-view.ui">debugger/ide-debugger-disassembly-view.ui</file>
     <file compressed="true" preprocess="xml-stripblanks" 
alias="ide-debugger-libraries-view.ui">debugger/ide-debugger-libraries-view.ui</file>
     <file compressed="true" preprocess="xml-stripblanks" 
alias="ide-debugger-locals-view.ui">debugger/ide-debugger-locals-view.ui</file>
     <file compressed="true" preprocess="xml-stripblanks" 
alias="ide-debugger-perspective.ui">debugger/ide-debugger-perspective.ui</file>
diff --git a/libide/meson.build b/libide/meson.build
index 260ec67..6adb6eb 100644
--- a/libide/meson.build
+++ b/libide/meson.build
@@ -519,6 +519,8 @@ libide_sources = libide_generated_headers + libide_public_sources + [
   'debugger/ide-debugger-breakpoints-view.h',
   'debugger/ide-debugger-controls.c',
   'debugger/ide-debugger-controls.h',
+  'debugger/ide-debugger-disassembly-view.c',
+  'debugger/ide-debugger-disassembly-view.h',
   'debugger/ide-debugger-fallbacks.c',
   'debugger/ide-debugger-breakpoints.c',
   'debugger/ide-debugger-breakpoints.h',