summaryrefslogtreecommitdiffstats
path: root/source/Core/IOHandler.cpp
diff options
context:
space:
mode:
authoremaste <emaste@FreeBSD.org>2014-02-18 16:23:10 +0000
committeremaste <emaste@FreeBSD.org>2014-02-18 16:23:10 +0000
commit6beac4fcf9e5327f07c0fefd527180124438096a (patch)
tree95cb16075f0af1b3a05b9b84eb18dda8e6c903e9 /source/Core/IOHandler.cpp
parentf087960a1097db2a1ef14a88963f8785df239aaa (diff)
downloadFreeBSD-src-6beac4fcf9e5327f07c0fefd527180124438096a.zip
FreeBSD-src-6beac4fcf9e5327f07c0fefd527180124438096a.tar.gz
Import lldb as of SVN r201577 (git 2bdc2f6)
(A number of files not required for the FreeBSD build have been removed.) Sponsored by: DARPA, AFRL
Diffstat (limited to 'source/Core/IOHandler.cpp')
-rw-r--r--source/Core/IOHandler.cpp5294
1 files changed, 5294 insertions, 0 deletions
diff --git a/source/Core/IOHandler.cpp b/source/Core/IOHandler.cpp
new file mode 100644
index 0000000..bdec19c
--- /dev/null
+++ b/source/Core/IOHandler.cpp
@@ -0,0 +1,5294 @@
+//===-- IOHandler.cpp -------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+
+#include "lldb/lldb-python.h"
+
+#include <string>
+
+#include "lldb/Breakpoint/BreakpointLocation.h"
+#include "lldb/Core/IOHandler.h"
+#include "lldb/Core/Debugger.h"
+#include "lldb/Core/State.h"
+#include "lldb/Core/StreamFile.h"
+#include "lldb/Core/ValueObjectRegister.h"
+#include "lldb/Host/Editline.h"
+#include "lldb/Interpreter/CommandCompletions.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
+#include "lldb/Symbol/Block.h"
+#include "lldb/Symbol/Function.h"
+#include "lldb/Symbol/Symbol.h"
+#include "lldb/Target/RegisterContext.h"
+#include "lldb/Target/ThreadPlan.h"
+
+#ifndef LLDB_DISABLE_CURSES
+#include <ncurses.h>
+#include <panel.h>
+#endif
+
+using namespace lldb;
+using namespace lldb_private;
+
+IOHandler::IOHandler (Debugger &debugger) :
+ IOHandler (debugger,
+ StreamFileSP(), // Adopt STDIN from top input reader
+ StreamFileSP(), // Adopt STDOUT from top input reader
+ StreamFileSP(), // Adopt STDERR from top input reader
+ 0) // Flags
+{
+}
+
+
+IOHandler::IOHandler (Debugger &debugger,
+ const lldb::StreamFileSP &input_sp,
+ const lldb::StreamFileSP &output_sp,
+ const lldb::StreamFileSP &error_sp,
+ uint32_t flags) :
+ m_debugger (debugger),
+ m_input_sp (input_sp),
+ m_output_sp (output_sp),
+ m_error_sp (error_sp),
+ m_flags (flags),
+ m_user_data (NULL),
+ m_done (false),
+ m_active (false)
+{
+ // If any files are not specified, then adopt them from the top input reader.
+ if (!m_input_sp || !m_output_sp || !m_error_sp)
+ debugger.AdoptTopIOHandlerFilesIfInvalid (m_input_sp,
+ m_output_sp,
+ m_error_sp);
+}
+
+IOHandler::~IOHandler()
+{
+}
+
+
+int
+IOHandler::GetInputFD()
+{
+ if (m_input_sp)
+ return m_input_sp->GetFile().GetDescriptor();
+ return -1;
+}
+
+int
+IOHandler::GetOutputFD()
+{
+ if (m_output_sp)
+ return m_output_sp->GetFile().GetDescriptor();
+ return -1;
+}
+
+int
+IOHandler::GetErrorFD()
+{
+ if (m_error_sp)
+ return m_error_sp->GetFile().GetDescriptor();
+ return -1;
+}
+
+FILE *
+IOHandler::GetInputFILE()
+{
+ if (m_input_sp)
+ return m_input_sp->GetFile().GetStream();
+ return NULL;
+}
+
+FILE *
+IOHandler::GetOutputFILE()
+{
+ if (m_output_sp)
+ return m_output_sp->GetFile().GetStream();
+ return NULL;
+}
+
+FILE *
+IOHandler::GetErrorFILE()
+{
+ if (m_error_sp)
+ return m_error_sp->GetFile().GetStream();
+ return NULL;
+}
+
+StreamFileSP &
+IOHandler::GetInputStreamFile()
+{
+ return m_input_sp;
+}
+
+StreamFileSP &
+IOHandler::GetOutputStreamFile()
+{
+ return m_output_sp;
+}
+
+
+StreamFileSP &
+IOHandler::GetErrorStreamFile()
+{
+ return m_error_sp;
+}
+
+bool
+IOHandler::GetIsInteractive ()
+{
+ return GetInputStreamFile()->GetFile().GetIsInteractive ();
+}
+
+bool
+IOHandler::GetIsRealTerminal ()
+{
+ return GetInputStreamFile()->GetFile().GetIsRealTerminal();
+}
+
+IOHandlerConfirm::IOHandlerConfirm (Debugger &debugger,
+ const char *prompt,
+ bool default_response) :
+ IOHandlerEditline(debugger,
+ NULL, // NULL editline_name means no history loaded/saved
+ NULL,
+ false, // Multi-line
+ *this),
+ m_default_response (default_response),
+ m_user_response (default_response)
+{
+ StreamString prompt_stream;
+ prompt_stream.PutCString(prompt);
+ if (m_default_response)
+ prompt_stream.Printf(": [Y/n] ");
+ else
+ prompt_stream.Printf(": [y/N] ");
+
+ SetPrompt (prompt_stream.GetString().c_str());
+
+}
+
+
+IOHandlerConfirm::~IOHandlerConfirm ()
+{
+}
+
+int
+IOHandlerConfirm::IOHandlerComplete (IOHandler &io_handler,
+ const char *current_line,
+ const char *cursor,
+ const char *last_char,
+ int skip_first_n_matches,
+ int max_matches,
+ StringList &matches)
+{
+ if (current_line == cursor)
+ {
+ if (m_default_response)
+ {
+ matches.AppendString("y");
+ }
+ else
+ {
+ matches.AppendString("n");
+ }
+ }
+ return matches.GetSize();
+}
+
+void
+IOHandlerConfirm::IOHandlerInputComplete (IOHandler &io_handler, std::string &line)
+{
+ if (line.empty())
+ {
+ // User just hit enter, set the response to the default
+ m_user_response = m_default_response;
+ io_handler.SetIsDone(true);
+ return;
+ }
+
+ if (line.size() == 1)
+ {
+ switch (line[0])
+ {
+ case 'y':
+ case 'Y':
+ m_user_response = true;
+ io_handler.SetIsDone(true);
+ return;
+ case 'n':
+ case 'N':
+ m_user_response = false;
+ io_handler.SetIsDone(true);
+ return;
+ default:
+ break;
+ }
+ }
+
+ if (line == "yes" || line == "YES" || line == "Yes")
+ {
+ m_user_response = true;
+ io_handler.SetIsDone(true);
+ }
+ else if (line == "no" || line == "NO" || line == "No")
+ {
+ m_user_response = false;
+ io_handler.SetIsDone(true);
+ }
+}
+
+int
+IOHandlerDelegate::IOHandlerComplete (IOHandler &io_handler,
+ const char *current_line,
+ const char *cursor,
+ const char *last_char,
+ int skip_first_n_matches,
+ int max_matches,
+ StringList &matches)
+{
+ switch (m_completion)
+ {
+ case Completion::None:
+ break;
+
+ case Completion::LLDBCommand:
+ return io_handler.GetDebugger().GetCommandInterpreter().HandleCompletion (current_line,
+ cursor,
+ last_char,
+ skip_first_n_matches,
+ max_matches,
+ matches);
+
+ case Completion::Expression:
+ {
+ bool word_complete = false;
+ const char *word_start = cursor;
+ if (cursor > current_line)
+ --word_start;
+ while (word_start > current_line && !isspace(*word_start))
+ --word_start;
+ CommandCompletions::InvokeCommonCompletionCallbacks (io_handler.GetDebugger().GetCommandInterpreter(),
+ CommandCompletions::eVariablePathCompletion,
+ word_start,
+ skip_first_n_matches,
+ max_matches,
+ NULL,
+ word_complete,
+ matches);
+
+ size_t num_matches = matches.GetSize();
+ if (num_matches > 0)
+ {
+ std::string common_prefix;
+ matches.LongestCommonPrefix (common_prefix);
+ const size_t partial_name_len = strlen(word_start);
+
+ // If we matched a unique single command, add a space...
+ // Only do this if the completer told us this was a complete word, however...
+ if (num_matches == 1 && word_complete)
+ {
+ common_prefix.push_back(' ');
+ }
+ common_prefix.erase (0, partial_name_len);
+ matches.InsertStringAtIndex(0, std::move(common_prefix));
+ }
+ return num_matches;
+ }
+ break;
+ }
+
+
+ return 0;
+}
+
+
+IOHandlerEditline::IOHandlerEditline (Debugger &debugger,
+ const char *editline_name, // Used for saving history files
+ const char *prompt,
+ bool multi_line,
+ IOHandlerDelegate &delegate) :
+ IOHandlerEditline(debugger,
+ StreamFileSP(), // Inherit input from top input reader
+ StreamFileSP(), // Inherit output from top input reader
+ StreamFileSP(), // Inherit error from top input reader
+ 0, // Flags
+ editline_name, // Used for saving history files
+ prompt,
+ multi_line,
+ delegate)
+{
+}
+
+IOHandlerEditline::IOHandlerEditline (Debugger &debugger,
+ const lldb::StreamFileSP &input_sp,
+ const lldb::StreamFileSP &output_sp,
+ const lldb::StreamFileSP &error_sp,
+ uint32_t flags,
+ const char *editline_name, // Used for saving history files
+ const char *prompt,
+ bool multi_line,
+ IOHandlerDelegate &delegate) :
+ IOHandler (debugger, input_sp, output_sp, error_sp, flags),
+ m_editline_ap (),
+ m_delegate (delegate),
+ m_prompt (),
+ m_multi_line (multi_line)
+{
+ SetPrompt(prompt);
+
+ bool use_editline = false;
+
+#ifndef _MSC_VER
+ use_editline = m_input_sp->GetFile().GetIsRealTerminal();
+#else
+ use_editline = true;
+#endif
+
+ if (use_editline)
+ {
+ m_editline_ap.reset(new Editline (editline_name,
+ prompt ? prompt : "",
+ GetInputFILE (),
+ GetOutputFILE (),
+ GetErrorFILE ()));
+ m_editline_ap->SetLineCompleteCallback (LineCompletedCallback, this);
+ m_editline_ap->SetAutoCompleteCallback (AutoCompleteCallback, this);
+ }
+
+}
+
+IOHandlerEditline::~IOHandlerEditline ()
+{
+ m_editline_ap.reset();
+}
+
+
+bool
+IOHandlerEditline::GetLine (std::string &line)
+{
+ if (m_editline_ap)
+ {
+ return m_editline_ap->GetLine(line).Success();
+ }
+ else
+ {
+ line.clear();
+
+ FILE *in = GetInputFILE();
+ if (in)
+ {
+ if (GetIsInteractive())
+ {
+ const char *prompt = GetPrompt();
+ if (prompt && prompt[0])
+ {
+ FILE *out = GetOutputFILE();
+ if (out)
+ {
+ ::fprintf(out, "%s", prompt);
+ ::fflush(out);
+ }
+ }
+ }
+ char buffer[256];
+ bool done = false;
+ bool got_line = false;
+ while (!done)
+ {
+ if (fgets(buffer, sizeof(buffer), in) == NULL)
+ done = true;
+ else
+ {
+ got_line = true;
+ size_t buffer_len = strlen(buffer);
+ assert (buffer[buffer_len] == '\0');
+ char last_char = buffer[buffer_len-1];
+ if (last_char == '\r' || last_char == '\n')
+ {
+ done = true;
+ // Strip trailing newlines
+ while (last_char == '\r' || last_char == '\n')
+ {
+ --buffer_len;
+ if (buffer_len == 0)
+ break;
+ last_char = buffer[buffer_len-1];
+ }
+ }
+ line.append(buffer, buffer_len);
+ }
+ }
+ // We might have gotten a newline on a line by itself
+ // make sure to return true in this case.
+ return got_line;
+ }
+ else
+ {
+ // No more input file, we are done...
+ SetIsDone(true);
+ }
+ return false;
+ }
+}
+
+
+LineStatus
+IOHandlerEditline::LineCompletedCallback (Editline *editline,
+ StringList &lines,
+ uint32_t line_idx,
+ Error &error,
+ void *baton)
+{
+ IOHandlerEditline *editline_reader = (IOHandlerEditline *) baton;
+ return editline_reader->m_delegate.IOHandlerLinesUpdated(*editline_reader, lines, line_idx, error);
+}
+
+int
+IOHandlerEditline::AutoCompleteCallback (const char *current_line,
+ const char *cursor,
+ const char *last_char,
+ int skip_first_n_matches,
+ int max_matches,
+ StringList &matches,
+ void *baton)
+{
+ IOHandlerEditline *editline_reader = (IOHandlerEditline *) baton;
+ if (editline_reader)
+ return editline_reader->m_delegate.IOHandlerComplete (*editline_reader,
+ current_line,
+ cursor,
+ last_char,
+ skip_first_n_matches,
+ max_matches,
+ matches);
+ return 0;
+}
+
+const char *
+IOHandlerEditline::GetPrompt ()
+{
+ if (m_editline_ap)
+ return m_editline_ap->GetPrompt ();
+ else if (m_prompt.empty())
+ return NULL;
+ return m_prompt.c_str();
+}
+
+bool
+IOHandlerEditline::SetPrompt (const char *p)
+{
+ if (p && p[0])
+ m_prompt = p;
+ else
+ m_prompt.clear();
+ if (m_editline_ap)
+ m_editline_ap->SetPrompt (m_prompt.empty() ? NULL : m_prompt.c_str());
+ return true;
+}
+
+bool
+IOHandlerEditline::GetLines (StringList &lines)
+{
+ bool success = false;
+ if (m_editline_ap)
+ {
+ std::string end_token;
+ success = m_editline_ap->GetLines(end_token, lines).Success();
+ }
+ else
+ {
+ LineStatus lines_status = LineStatus::Success;
+
+ while (lines_status == LineStatus::Success)
+ {
+ std::string line;
+ if (GetLine(line))
+ {
+ lines.AppendString(line);
+ Error error;
+ lines_status = m_delegate.IOHandlerLinesUpdated(*this, lines, lines.GetSize() - 1, error);
+ }
+ else
+ {
+ lines_status = LineStatus::Done;
+ }
+ }
+ success = lines.GetSize() > 0;
+ }
+ return success;
+}
+
+// Each IOHandler gets to run until it is done. It should read data
+// from the "in" and place output into "out" and "err and return
+// when done.
+void
+IOHandlerEditline::Run ()
+{
+ std::string line;
+ while (IsActive())
+ {
+ if (m_multi_line)
+ {
+ StringList lines;
+ if (GetLines (lines))
+ {
+ line = lines.CopyList();
+ m_delegate.IOHandlerInputComplete(*this, line);
+ }
+ else
+ {
+ m_done = true;
+ }
+ }
+ else
+ {
+ if (GetLine(line))
+ {
+ m_delegate.IOHandlerInputComplete(*this, line);
+ }
+ else
+ {
+ m_done = true;
+ }
+ }
+ }
+}
+
+void
+IOHandlerEditline::Hide ()
+{
+ if (m_editline_ap && m_editline_ap->GettingLine())
+ m_editline_ap->Hide();
+}
+
+
+void
+IOHandlerEditline::Refresh ()
+{
+ if (m_editline_ap && m_editline_ap->GettingLine())
+ m_editline_ap->Refresh();
+ else
+ {
+ const char *prompt = GetPrompt();
+ if (prompt && prompt[0])
+ {
+ FILE *out = GetOutputFILE();
+ if (out)
+ {
+ ::fprintf(out, "%s", prompt);
+ ::fflush(out);
+ }
+ }
+ }
+}
+
+void
+IOHandlerEditline::Interrupt ()
+{
+ if (m_editline_ap)
+ m_editline_ap->Interrupt();
+}
+
+void
+IOHandlerEditline::GotEOF()
+{
+ if (m_editline_ap)
+ m_editline_ap->Interrupt();
+}
+
+// we may want curses to be disabled for some builds
+// for instance, windows
+#ifndef LLDB_DISABLE_CURSES
+
+#include "lldb/Core/ValueObject.h"
+#include "lldb/Symbol/VariableList.h"
+#include "lldb/Target/Target.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Target/Thread.h"
+#include "lldb/Target/StackFrame.h"
+
+#define KEY_RETURN 10
+#define KEY_ESCAPE 27
+
+namespace curses
+{
+ class Menu;
+ class MenuDelegate;
+ class Window;
+ class WindowDelegate;
+ typedef std::shared_ptr<Menu> MenuSP;
+ typedef std::shared_ptr<MenuDelegate> MenuDelegateSP;
+ typedef std::shared_ptr<Window> WindowSP;
+ typedef std::shared_ptr<WindowDelegate> WindowDelegateSP;
+ typedef std::vector<MenuSP> Menus;
+ typedef std::vector<WindowSP> Windows;
+ typedef std::vector<WindowDelegateSP> WindowDelegates;
+
+#if 0
+type summary add -s "x=${var.x}, y=${var.y}" curses::Point
+type summary add -s "w=${var.width}, h=${var.height}" curses::Size
+type summary add -s "${var.origin%S} ${var.size%S}" curses::Rect
+#endif
+ struct Point
+ {
+ int x;
+ int y;
+
+ Point (int _x = 0, int _y = 0) :
+ x(_x),
+ y(_y)
+ {
+ }
+
+ void
+ Clear ()
+ {
+ x = 0;
+ y = 0;
+ }
+
+ Point &
+ operator += (const Point &rhs)
+ {
+ x += rhs.x;
+ y += rhs.y;
+ return *this;
+ }
+
+ void
+ Dump ()
+ {
+ printf ("(x=%i, y=%i)\n", x, y);
+ }
+
+ };
+
+ bool operator == (const Point &lhs, const Point &rhs)
+ {
+ return lhs.x == rhs.x && lhs.y == rhs.y;
+ }
+ bool operator != (const Point &lhs, const Point &rhs)
+ {
+ return lhs.x != rhs.x || lhs.y != rhs.y;
+ }
+
+ struct Size
+ {
+ int width;
+ int height;
+ Size (int w = 0, int h = 0) :
+ width (w),
+ height (h)
+ {
+ }
+
+ void
+ Clear ()
+ {
+ width = 0;
+ height = 0;
+ }
+
+ void
+ Dump ()
+ {
+ printf ("(w=%i, h=%i)\n", width, height);
+ }
+
+ };
+
+ bool operator == (const Size &lhs, const Size &rhs)
+ {
+ return lhs.width == rhs.width && lhs.height == rhs.height;
+ }
+ bool operator != (const Size &lhs, const Size &rhs)
+ {
+ return lhs.width != rhs.width || lhs.height != rhs.height;
+ }
+
+ struct Rect
+ {
+ Point origin;
+ Size size;
+
+ Rect () :
+ origin(),
+ size()
+ {
+ }
+
+ Rect (const Point &p, const Size &s) :
+ origin (p),
+ size (s)
+ {
+ }
+
+ void
+ Clear ()
+ {
+ origin.Clear();
+ size.Clear();
+ }
+
+ void
+ Dump ()
+ {
+ printf ("(x=%i, y=%i), w=%i, h=%i)\n", origin.x, origin.y, size.width, size.height);
+ }
+
+ void
+ Inset (int w, int h)
+ {
+ if (size.width > w*2)
+ size.width -= w*2;
+ origin.x += w;
+
+ if (size.height > h*2)
+ size.height -= h*2;
+ origin.y += h;
+ }
+ // Return a status bar rectangle which is the last line of
+ // this rectangle. This rectangle will be modified to not
+ // include the status bar area.
+ Rect
+ MakeStatusBar ()
+ {
+ Rect status_bar;
+ if (size.height > 1)
+ {
+ status_bar.origin.x = origin.x;
+ status_bar.origin.y = size.height;
+ status_bar.size.width = size.width;
+ status_bar.size.height = 1;
+ --size.height;
+ }
+ return status_bar;
+ }
+
+ // Return a menubar rectangle which is the first line of
+ // this rectangle. This rectangle will be modified to not
+ // include the menubar area.
+ Rect
+ MakeMenuBar ()
+ {
+ Rect menubar;
+ if (size.height > 1)
+ {
+ menubar.origin.x = origin.x;
+ menubar.origin.y = origin.y;
+ menubar.size.width = size.width;
+ menubar.size.height = 1;
+ ++origin.y;
+ --size.height;
+ }
+ return menubar;
+ }
+
+ void
+ HorizontalSplitPercentage (float top_percentage, Rect &top, Rect &bottom) const
+ {
+ float top_height = top_percentage * size.height;
+ HorizontalSplit (top_height, top, bottom);
+ }
+
+ void
+ HorizontalSplit (int top_height, Rect &top, Rect &bottom) const
+ {
+ top = *this;
+ if (top_height < size.height)
+ {
+ top.size.height = top_height;
+ bottom.origin.x = origin.x;
+ bottom.origin.y = origin.y + top.size.height;
+ bottom.size.width = size.width;
+ bottom.size.height = size.height - top.size.height;
+ }
+ else
+ {
+ bottom.Clear();
+ }
+ }
+
+ void
+ VerticalSplitPercentage (float left_percentage, Rect &left, Rect &right) const
+ {
+ float left_width = left_percentage * size.width;
+ VerticalSplit (left_width, left, right);
+ }
+
+
+ void
+ VerticalSplit (int left_width, Rect &left, Rect &right) const
+ {
+ left = *this;
+ if (left_width < size.width)
+ {
+ left.size.width = left_width;
+ right.origin.x = origin.x + left.size.width;
+ right.origin.y = origin.y;
+ right.size.width = size.width - left.size.width;
+ right.size.height = size.height;
+ }
+ else
+ {
+ right.Clear();
+ }
+ }
+ };
+
+ bool operator == (const Rect &lhs, const Rect &rhs)
+ {
+ return lhs.origin == rhs.origin && lhs.size == rhs.size;
+ }
+ bool operator != (const Rect &lhs, const Rect &rhs)
+ {
+ return lhs.origin != rhs.origin || lhs.size != rhs.size;
+ }
+
+ enum HandleCharResult
+ {
+ eKeyNotHandled = 0,
+ eKeyHandled = 1,
+ eQuitApplication = 2
+ };
+
+ enum class MenuActionResult
+ {
+ Handled,
+ NotHandled,
+ Quit // Exit all menus and quit
+ };
+
+ struct KeyHelp
+ {
+ int ch;
+ const char *description;
+ };
+
+ class WindowDelegate
+ {
+ public:
+ virtual
+ ~WindowDelegate()
+ {
+ }
+
+ virtual bool
+ WindowDelegateDraw (Window &window, bool force)
+ {
+ return false; // Drawing not handled
+ }
+
+ virtual HandleCharResult
+ WindowDelegateHandleChar (Window &window, int key)
+ {
+ return eKeyNotHandled;
+ }
+
+ virtual const char *
+ WindowDelegateGetHelpText ()
+ {
+ return NULL;
+ }
+
+ virtual KeyHelp *
+ WindowDelegateGetKeyHelp ()
+ {
+ return NULL;
+ }
+ };
+
+ class HelpDialogDelegate :
+ public WindowDelegate
+ {
+ public:
+ HelpDialogDelegate (const char *text, KeyHelp *key_help_array);
+
+ virtual
+ ~HelpDialogDelegate();
+
+ virtual bool
+ WindowDelegateDraw (Window &window, bool force);
+
+ virtual HandleCharResult
+ WindowDelegateHandleChar (Window &window, int key);
+
+ size_t
+ GetNumLines() const
+ {
+ return m_text.GetSize();
+ }
+
+ size_t
+ GetMaxLineLength () const
+ {
+ return m_text.GetMaxStringLength();
+ }
+
+ protected:
+ StringList m_text;
+ int m_first_visible_line;
+ };
+
+
+ class Window
+ {
+ public:
+
+ Window (const char *name) :
+ m_name (name),
+ m_window (NULL),
+ m_panel (NULL),
+ m_parent (NULL),
+ m_subwindows (),
+ m_delegate_sp (),
+ m_curr_active_window_idx (UINT32_MAX),
+ m_prev_active_window_idx (UINT32_MAX),
+ m_delete (false),
+ m_needs_update (true),
+ m_can_activate (true),
+ m_is_subwin (false)
+ {
+ }
+
+ Window (const char *name, WINDOW *w, bool del = true) :
+ m_name (name),
+ m_window (NULL),
+ m_panel (NULL),
+ m_parent (NULL),
+ m_subwindows (),
+ m_delegate_sp (),
+ m_curr_active_window_idx (UINT32_MAX),
+ m_prev_active_window_idx (UINT32_MAX),
+ m_delete (del),
+ m_needs_update (true),
+ m_can_activate (true),
+ m_is_subwin (false)
+ {
+ if (w)
+ Reset(w);
+ }
+
+ Window (const char *name, const Rect &bounds) :
+ m_name (name),
+ m_window (NULL),
+ m_parent (NULL),
+ m_subwindows (),
+ m_delegate_sp (),
+ m_curr_active_window_idx (UINT32_MAX),
+ m_prev_active_window_idx (UINT32_MAX),
+ m_delete (true),
+ m_needs_update (true),
+ m_can_activate (true),
+ m_is_subwin (false)
+ {
+ Reset (::newwin (bounds.size.height, bounds.size.width, bounds.origin.y, bounds.origin.y));
+ }
+
+ virtual
+ ~Window ()
+ {
+ RemoveSubWindows ();
+ Reset ();
+ }
+
+ void
+ Reset (WINDOW *w = NULL, bool del = true)
+ {
+ if (m_window == w)
+ return;
+
+ if (m_panel)
+ {
+ ::del_panel (m_panel);
+ m_panel = NULL;
+ }
+ if (m_window && m_delete)
+ {
+ ::delwin (m_window);
+ m_window = NULL;
+ m_delete = false;
+ }
+ if (w)
+ {
+ m_window = w;
+ m_panel = ::new_panel (m_window);
+ m_delete = del;
+ }
+ }
+
+ void AttributeOn (attr_t attr) { ::wattron (m_window, attr); }
+ void AttributeOff (attr_t attr) { ::wattroff (m_window, attr); }
+ void Box (chtype v_char = ACS_VLINE, chtype h_char = ACS_HLINE) { ::box(m_window, v_char, h_char); }
+ void Clear () { ::wclear (m_window); }
+ void Erase () { ::werase (m_window); }
+ Rect GetBounds () { return Rect (GetParentOrigin(), GetSize()); } // Get the rectangle in our parent window
+ int GetChar () { return ::wgetch (m_window); }
+ int GetCursorX () { return getcurx (m_window); }
+ int GetCursorY () { return getcury (m_window); }
+ Rect GetFrame () { return Rect (Point(), GetSize()); } // Get our rectangle in our own coordinate system
+ Point GetParentOrigin() { return Point (GetParentX(), GetParentY()); }
+ Size GetSize() { return Size (GetWidth(), GetHeight()); }
+ int GetParentX () { return getparx (m_window); }
+ int GetParentY () { return getpary (m_window); }
+ int GetMaxX() { return getmaxx (m_window); }
+ int GetMaxY() { return getmaxy (m_window); }
+ int GetWidth() { return GetMaxX(); }
+ int GetHeight() { return GetMaxY(); }
+ void MoveCursor (int x, int y) { ::wmove (m_window, y, x); }
+ void MoveWindow (int x, int y) { MoveWindow(Point(x,y)); }
+ void Resize (int w, int h) { ::wresize(m_window, h, w); }
+ void Resize (const Size &size) { ::wresize(m_window, size.height, size.width); }
+ void PutChar (int ch) { ::waddch (m_window, ch); }
+ void PutCString (const char *s, int len = -1) { ::waddnstr (m_window, s, len); }
+ void Refresh () { ::wrefresh (m_window); }
+ void DeferredRefresh ()
+ {
+ // We are using panels, so we don't need to call this...
+ //::wnoutrefresh(m_window);
+ }
+ void SetBackground (int color_pair_idx) { ::wbkgd (m_window,COLOR_PAIR(color_pair_idx)); }
+ void UnderlineOn () { AttributeOn(A_UNDERLINE); }
+ void UnderlineOff () { AttributeOff(A_UNDERLINE); }
+
+ void PutCStringTruncated (const char *s, int right_pad)
+ {
+ int bytes_left = GetWidth() - GetCursorX();
+ if (bytes_left > right_pad)
+ {
+ bytes_left -= right_pad;
+ ::waddnstr (m_window, s, bytes_left);
+ }
+ }
+
+ void
+ MoveWindow (const Point &origin)
+ {
+ const bool moving_window = origin != GetParentOrigin();
+ if (m_is_subwin && moving_window)
+ {
+ // Can't move subwindows, must delete and re-create
+ Size size = GetSize();
+ Reset (::subwin (m_parent->m_window,
+ size.height,
+ size.width,
+ origin.y,
+ origin.x), true);
+ }
+ else
+ {
+ ::mvwin (m_window, origin.y, origin.x);
+ }
+ }
+
+ void
+ SetBounds (const Rect &bounds)
+ {
+ const bool moving_window = bounds.origin != GetParentOrigin();
+ if (m_is_subwin && moving_window)
+ {
+ // Can't move subwindows, must delete and re-create
+ Reset (::subwin (m_parent->m_window,
+ bounds.size.height,
+ bounds.size.width,
+ bounds.origin.y,
+ bounds.origin.x), true);
+ }
+ else
+ {
+ if (moving_window)
+ MoveWindow(bounds.origin);
+ Resize (bounds.size);
+ }
+ }
+
+ void
+ Printf (const char *format, ...) __attribute__ ((format (printf, 2, 3)))
+ {
+ va_list args;
+ va_start (args, format);
+ vwprintw(m_window, format, args);
+ va_end (args);
+ }
+
+ void
+ Touch ()
+ {
+ ::touchwin (m_window);
+ if (m_parent)
+ m_parent->Touch();
+ }
+
+ WindowSP
+ CreateSubWindow (const char *name, const Rect &bounds, bool make_active)
+ {
+ WindowSP subwindow_sp;
+ if (m_window)
+ {
+ subwindow_sp.reset(new Window(name, ::subwin (m_window,
+ bounds.size.height,
+ bounds.size.width,
+ bounds.origin.y,
+ bounds.origin.x), true));
+ subwindow_sp->m_is_subwin = true;
+ }
+ else
+ {
+ subwindow_sp.reset(new Window(name, ::newwin (bounds.size.height,
+ bounds.size.width,
+ bounds.origin.y,
+ bounds.origin.x), true));
+ subwindow_sp->m_is_subwin = false;
+ }
+ subwindow_sp->m_parent = this;
+ if (make_active)
+ {
+ m_prev_active_window_idx = m_curr_active_window_idx;
+ m_curr_active_window_idx = m_subwindows.size();
+ }
+ m_subwindows.push_back(subwindow_sp);
+ ::top_panel (subwindow_sp->m_panel);
+ m_needs_update = true;
+ return subwindow_sp;
+ }
+
+ bool
+ RemoveSubWindow (Window *window)
+ {
+ Windows::iterator pos, end = m_subwindows.end();
+ size_t i = 0;
+ for (pos = m_subwindows.begin(); pos != end; ++pos, ++i)
+ {
+ if ((*pos).get() == window)
+ {
+ if (m_prev_active_window_idx == i)
+ m_prev_active_window_idx = UINT32_MAX;
+ else if (m_prev_active_window_idx != UINT32_MAX && m_prev_active_window_idx > i)
+ --m_prev_active_window_idx;
+
+ if (m_curr_active_window_idx == i)
+ m_curr_active_window_idx = UINT32_MAX;
+ else if (m_curr_active_window_idx != UINT32_MAX && m_curr_active_window_idx > i)
+ --m_curr_active_window_idx;
+ window->Erase();
+ m_subwindows.erase(pos);
+ m_needs_update = true;
+ if (m_parent)
+ m_parent->Touch();
+ else
+ ::touchwin (stdscr);
+ return true;
+ }
+ }
+ return false;
+ }
+
+ WindowSP
+ FindSubWindow (const char *name)
+ {
+ Windows::iterator pos, end = m_subwindows.end();
+ size_t i = 0;
+ for (pos = m_subwindows.begin(); pos != end; ++pos, ++i)
+ {
+ if ((*pos)->m_name.compare(name) == 0)
+ return *pos;
+ }
+ return WindowSP();
+ }
+
+ void
+ RemoveSubWindows ()
+ {
+ m_curr_active_window_idx = UINT32_MAX;
+ m_prev_active_window_idx = UINT32_MAX;
+ for (Windows::iterator pos = m_subwindows.begin();
+ pos != m_subwindows.end();
+ pos = m_subwindows.erase(pos))
+ {
+ (*pos)->Erase();
+ }
+ if (m_parent)
+ m_parent->Touch();
+ else
+ ::touchwin (stdscr);
+ }
+
+ WINDOW *
+ get()
+ {
+ return m_window;
+ }
+
+ operator WINDOW *()
+ {
+ return m_window;
+ }
+
+ //----------------------------------------------------------------------
+ // Window drawing utilities
+ //----------------------------------------------------------------------
+ void
+ DrawTitleBox (const char *title, const char *bottom_message = NULL)
+ {
+ attr_t attr = 0;
+ if (IsActive())
+ attr = A_BOLD | COLOR_PAIR(2);
+ else
+ attr = 0;
+ if (attr)
+ AttributeOn(attr);
+
+ Box();
+ MoveCursor(3, 0);
+
+ if (title && title[0])
+ {
+ PutChar ('<');
+ PutCString (title);
+ PutChar ('>');
+ }
+
+ if (bottom_message && bottom_message[0])
+ {
+ int bottom_message_length = strlen(bottom_message);
+ int x = GetWidth() - 3 - (bottom_message_length + 2);
+
+ if (x > 0)
+ {
+ MoveCursor (x, GetHeight() - 1);
+ PutChar ('[');
+ PutCString(bottom_message);
+ PutChar (']');
+ }
+ else
+ {
+ MoveCursor (1, GetHeight() - 1);
+ PutChar ('[');
+ PutCStringTruncated (bottom_message, 1);
+ }
+ }
+ if (attr)
+ AttributeOff(attr);
+
+ }
+
+ virtual void
+ Draw (bool force)
+ {
+ if (m_delegate_sp && m_delegate_sp->WindowDelegateDraw (*this, force))
+ return;
+
+ for (auto &subwindow_sp : m_subwindows)
+ subwindow_sp->Draw(force);
+ }
+
+ bool
+ CreateHelpSubwindow ()
+ {
+ if (m_delegate_sp)
+ {
+ const char *text = m_delegate_sp->WindowDelegateGetHelpText ();
+ KeyHelp *key_help = m_delegate_sp->WindowDelegateGetKeyHelp ();
+ if ((text && text[0]) || key_help)
+ {
+ std::auto_ptr<HelpDialogDelegate> help_delegate_ap(new HelpDialogDelegate(text, key_help));
+ const size_t num_lines = help_delegate_ap->GetNumLines();
+ const size_t max_length = help_delegate_ap->GetMaxLineLength();
+ Rect bounds = GetBounds();
+ bounds.Inset(1, 1);
+ if (max_length + 4 < bounds.size.width)
+ {
+ bounds.origin.x += (bounds.size.width - max_length + 4)/2;
+ bounds.size.width = max_length + 4;
+ }
+ else
+ {
+ if (bounds.size.width > 100)
+ {
+ const int inset_w = bounds.size.width / 4;
+ bounds.origin.x += inset_w;
+ bounds.size.width -= 2*inset_w;
+ }
+ }
+
+ if (num_lines + 2 < bounds.size.height)
+ {
+ bounds.origin.y += (bounds.size.height - num_lines + 2)/2;
+ bounds.size.height = num_lines + 2;
+ }
+ else
+ {
+ if (bounds.size.height > 100)
+ {
+ const int inset_h = bounds.size.height / 4;
+ bounds.origin.y += inset_h;
+ bounds.size.height -= 2*inset_h;
+ }
+ }
+ WindowSP help_window_sp;
+ Window *parent_window = GetParent();
+ if (parent_window)
+ help_window_sp = parent_window->CreateSubWindow("Help", bounds, true);
+ else
+ help_window_sp = CreateSubWindow("Help", bounds, true);
+ help_window_sp->SetDelegate(WindowDelegateSP(help_delegate_ap.release()));
+ return true;
+ }
+ }
+ return false;
+ }
+
+ virtual HandleCharResult
+ HandleChar (int key)
+ {
+ // Always check the active window first
+ HandleCharResult result = eKeyNotHandled;
+ WindowSP active_window_sp = GetActiveWindow ();
+ if (active_window_sp)
+ {
+ result = active_window_sp->HandleChar (key);
+ if (result != eKeyNotHandled)
+ return result;
+ }
+
+ if (m_delegate_sp)
+ {
+ result = m_delegate_sp->WindowDelegateHandleChar (*this, key);
+ if (result != eKeyNotHandled)
+ return result;
+ }
+
+ // Then check for any windows that want any keys
+ // that weren't handled. This is typically only
+ // for a menubar.
+ // Make a copy of the subwindows in case any HandleChar()
+ // functions muck with the subwindows. If we don't do this,
+ // we can crash when iterating over the subwindows.
+ Windows subwindows (m_subwindows);
+ for (auto subwindow_sp : subwindows)
+ {
+ if (subwindow_sp->m_can_activate == false)
+ {
+ HandleCharResult result = subwindow_sp->HandleChar(key);
+ if (result != eKeyNotHandled)
+ return result;
+ }
+ }
+
+ return eKeyNotHandled;
+ }
+
+ bool
+ SetActiveWindow (Window *window)
+ {
+ const size_t num_subwindows = m_subwindows.size();
+ for (size_t i=0; i<num_subwindows; ++i)
+ {
+ if (m_subwindows[i].get() == window)
+ {
+ m_prev_active_window_idx = m_curr_active_window_idx;
+ ::top_panel (window->m_panel);
+ m_curr_active_window_idx = i;
+ return true;
+ }
+ }
+ return false;
+ }
+
+ WindowSP
+ GetActiveWindow ()
+ {
+ if (!m_subwindows.empty())
+ {
+ if (m_curr_active_window_idx >= m_subwindows.size())
+ {
+ if (m_prev_active_window_idx < m_subwindows.size())
+ {
+ m_curr_active_window_idx = m_prev_active_window_idx;
+ m_prev_active_window_idx = UINT32_MAX;
+ }
+ else if (IsActive())
+ {
+ m_prev_active_window_idx = UINT32_MAX;
+ m_curr_active_window_idx = UINT32_MAX;
+
+ // Find first window that wants to be active if this window is active
+ const size_t num_subwindows = m_subwindows.size();
+ for (size_t i=0; i<num_subwindows; ++i)
+ {
+ if (m_subwindows[i]->GetCanBeActive())
+ {
+ m_curr_active_window_idx = i;
+ break;
+ }
+ }
+ }
+ }
+
+ if (m_curr_active_window_idx < m_subwindows.size())
+ return m_subwindows[m_curr_active_window_idx];
+ }
+ return WindowSP();
+ }
+
+ bool
+ GetCanBeActive () const
+ {
+ return m_can_activate;
+ }
+
+ void
+ SetCanBeActive (bool b)
+ {
+ m_can_activate = b;
+ }
+
+ const WindowDelegateSP &
+ GetDelegate () const
+ {
+ return m_delegate_sp;
+ }
+
+ void
+ SetDelegate (const WindowDelegateSP &delegate_sp)
+ {
+ m_delegate_sp = delegate_sp;
+ }
+
+ Window *
+ GetParent () const
+ {
+ return m_parent;
+ }
+
+ bool
+ IsActive () const
+ {
+ if (m_parent)
+ return m_parent->GetActiveWindow().get() == this;
+ else
+ return true; // Top level window is always active
+ }
+
+ void
+ SelectNextWindowAsActive ()
+ {
+ // Move active focus to next window
+ const size_t num_subwindows = m_subwindows.size();
+ if (m_curr_active_window_idx == UINT32_MAX)
+ {
+ uint32_t idx = 0;
+ for (auto subwindow_sp : m_subwindows)
+ {
+ if (subwindow_sp->GetCanBeActive())
+ {
+ m_curr_active_window_idx = idx;
+ break;
+ }
+ ++idx;
+ }
+ }
+ else if (m_curr_active_window_idx + 1 < num_subwindows)
+ {
+ bool handled = false;
+ m_prev_active_window_idx = m_curr_active_window_idx;
+ for (size_t idx=m_curr_active_window_idx + 1; idx<num_subwindows; ++idx)
+ {
+ if (m_subwindows[idx]->GetCanBeActive())
+ {
+ m_curr_active_window_idx = idx;
+ handled = true;
+ break;
+ }
+ }
+ if (!handled)
+ {
+ for (size_t idx=0; idx<=m_prev_active_window_idx; ++idx)
+ {
+ if (m_subwindows[idx]->GetCanBeActive())
+ {
+ m_curr_active_window_idx = idx;
+ break;
+ }
+ }
+ }
+ }
+ else
+ {
+ m_prev_active_window_idx = m_curr_active_window_idx;
+ for (size_t idx=0; idx<num_subwindows; ++idx)
+ {
+ if (m_subwindows[idx]->GetCanBeActive())
+ {
+ m_curr_active_window_idx = idx;
+ break;
+ }
+ }
+ }
+ }
+
+ const char *
+ GetName () const
+ {
+ return m_name.c_str();
+ }
+ protected:
+ std::string m_name;
+ WINDOW *m_window;
+ PANEL *m_panel;
+ Window *m_parent;
+ Windows m_subwindows;
+ WindowDelegateSP m_delegate_sp;
+ uint32_t m_curr_active_window_idx;
+ uint32_t m_prev_active_window_idx;
+ bool m_delete;
+ bool m_needs_update;
+ bool m_can_activate;
+ bool m_is_subwin;
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(Window);
+ };
+
+ class MenuDelegate
+ {
+ public:
+ virtual ~MenuDelegate() {}
+
+ virtual MenuActionResult
+ MenuDelegateAction (Menu &menu) = 0;
+ };
+
+ class Menu : public WindowDelegate
+ {
+ public:
+ enum class Type
+ {
+ Invalid,
+ Bar,
+ Item,
+ Separator
+ };
+
+ // Menubar or separator constructor
+ Menu (Type type);
+
+ // Menuitem constructor
+ Menu (const char *name,
+ const char *key_name,
+ int key_value,
+ uint64_t identifier);
+
+ virtual ~
+ Menu ()
+ {
+ }
+
+ const MenuDelegateSP &
+ GetDelegate () const
+ {
+ return m_delegate_sp;
+ }
+
+ void
+ SetDelegate (const MenuDelegateSP &delegate_sp)
+ {
+ m_delegate_sp = delegate_sp;
+ }
+
+ void
+ RecalculateNameLengths();
+
+ void
+ AddSubmenu (const MenuSP &menu_sp);
+
+ int
+ DrawAndRunMenu (Window &window);
+
+ void
+ DrawMenuTitle (Window &window, bool highlight);
+
+ virtual bool
+ WindowDelegateDraw (Window &window, bool force);
+
+ virtual HandleCharResult
+ WindowDelegateHandleChar (Window &window, int key);
+
+ MenuActionResult
+ ActionPrivate (Menu &menu)
+ {
+ MenuActionResult result = MenuActionResult::NotHandled;
+ if (m_delegate_sp)
+ {
+ result = m_delegate_sp->MenuDelegateAction (menu);
+ if (result != MenuActionResult::NotHandled)
+ return result;
+ }
+ else if (m_parent)
+ {
+ result = m_parent->ActionPrivate(menu);
+ if (result != MenuActionResult::NotHandled)
+ return result;
+ }
+ return m_canned_result;
+ }
+
+ MenuActionResult
+ Action ()
+ {
+ // Call the recursive action so it can try to handle it
+ // with the menu delegate, and if not, try our parent menu
+ return ActionPrivate (*this);
+ }
+
+ void
+ SetCannedResult (MenuActionResult result)
+ {
+ m_canned_result = result;
+ }
+
+ Menus &
+ GetSubmenus()
+ {
+ return m_submenus;
+ }
+
+ const Menus &
+ GetSubmenus() const
+ {
+ return m_submenus;
+ }
+
+ int
+ GetSelectedSubmenuIndex () const
+ {
+ return m_selected;
+ }
+
+ void
+ SetSelectedSubmenuIndex (int idx)
+ {
+ m_selected = idx;
+ }
+
+ Type
+ GetType () const
+ {
+ return m_type;
+ }
+
+ int
+ GetStartingColumn() const
+ {
+ return m_start_col;
+ }
+
+ void
+ SetStartingColumn(int col)
+ {
+ m_start_col = col;
+ }
+
+ int
+ GetKeyValue() const
+ {
+ return m_key_value;
+ }
+
+ void
+ SetKeyValue(int key_value)
+ {
+ m_key_value = key_value;
+ }
+
+ std::string &
+ GetName()
+ {
+ return m_name;
+ }
+
+ std::string &
+ GetKeyName()
+ {
+ return m_key_name;
+ }
+
+ int
+ GetDrawWidth () const
+ {
+ return m_max_submenu_name_length + m_max_submenu_key_name_length + 8;
+ }
+
+
+ uint64_t
+ GetIdentifier() const
+ {
+ return m_identifier;
+ }
+
+ void
+ SetIdentifier (uint64_t identifier)
+ {
+ m_identifier = identifier;
+ }
+
+ protected:
+ std::string m_name;
+ std::string m_key_name;
+ uint64_t m_identifier;
+ Type m_type;
+ int m_key_value;
+ int m_start_col;
+ int m_max_submenu_name_length;
+ int m_max_submenu_key_name_length;
+ int m_selected;
+ Menu *m_parent;
+ Menus m_submenus;
+ WindowSP m_menu_window_sp;
+ MenuActionResult m_canned_result;
+ MenuDelegateSP m_delegate_sp;
+ };
+
+ // Menubar or separator constructor
+ Menu::Menu (Type type) :
+ m_name (),
+ m_key_name (),
+ m_identifier (0),
+ m_type (type),
+ m_key_value (0),
+ m_start_col (0),
+ m_max_submenu_name_length (0),
+ m_max_submenu_key_name_length (0),
+ m_selected (0),
+ m_parent (NULL),
+ m_submenus (),
+ m_canned_result (MenuActionResult::NotHandled),
+ m_delegate_sp()
+ {
+ }
+
+ // Menuitem constructor
+ Menu::Menu (const char *name,
+ const char *key_name,
+ int key_value,
+ uint64_t identifier) :
+ m_name (),
+ m_key_name (),
+ m_identifier (identifier),
+ m_type (Type::Invalid),
+ m_key_value (key_value),
+ m_start_col (0),
+ m_max_submenu_name_length (0),
+ m_max_submenu_key_name_length (0),
+ m_selected (0),
+ m_parent (NULL),
+ m_submenus (),
+ m_canned_result (MenuActionResult::NotHandled),
+ m_delegate_sp()
+ {
+ if (name && name[0])
+ {
+ m_name = name;
+ m_type = Type::Item;
+ if (key_name && key_name[0])
+ m_key_name = key_name;
+ }
+ else
+ {
+ m_type = Type::Separator;
+ }
+ }
+
+ void
+ Menu::RecalculateNameLengths()
+ {
+ m_max_submenu_name_length = 0;
+ m_max_submenu_key_name_length = 0;
+ Menus &submenus = GetSubmenus();
+ const size_t num_submenus = submenus.size();
+ for (size_t i=0; i<num_submenus; ++i)
+ {
+ Menu *submenu = submenus[i].get();
+ if (m_max_submenu_name_length < submenu->m_name.size())
+ m_max_submenu_name_length = submenu->m_name.size();
+ if (m_max_submenu_key_name_length < submenu->m_key_name.size())
+ m_max_submenu_key_name_length = submenu->m_key_name.size();
+ }
+ }
+
+ void
+ Menu::AddSubmenu (const MenuSP &menu_sp)
+ {
+ menu_sp->m_parent = this;
+ if (m_max_submenu_name_length < menu_sp->m_name.size())
+ m_max_submenu_name_length = menu_sp->m_name.size();
+ if (m_max_submenu_key_name_length < menu_sp->m_key_name.size())
+ m_max_submenu_key_name_length = menu_sp->m_key_name.size();
+ m_submenus.push_back(menu_sp);
+ }
+
+ void
+ Menu::DrawMenuTitle (Window &window, bool highlight)
+ {
+ if (m_type == Type::Separator)
+ {
+ window.MoveCursor(0, window.GetCursorY());
+ window.PutChar(ACS_LTEE);
+ int width = window.GetWidth();
+ if (width > 2)
+ {
+ width -= 2;
+ for (size_t i=0; i< width; ++i)
+ window.PutChar(ACS_HLINE);
+ }
+ window.PutChar(ACS_RTEE);
+ }
+ else
+ {
+ const int shortcut_key = m_key_value;
+ bool underlined_shortcut = false;
+ const attr_t hilgight_attr = A_REVERSE;
+ if (highlight)
+ window.AttributeOn(hilgight_attr);
+ if (isprint(shortcut_key))
+ {
+ size_t lower_pos = m_name.find(tolower(shortcut_key));
+ size_t upper_pos = m_name.find(toupper(shortcut_key));
+ const char *name = m_name.c_str();
+ size_t pos = std::min<size_t>(lower_pos, upper_pos);
+ if (pos != std::string::npos)
+ {
+ underlined_shortcut = true;
+ if (pos > 0)
+ {
+ window.PutCString(name, pos);
+ name += pos;
+ }
+ const attr_t shortcut_attr = A_UNDERLINE|A_BOLD;
+ window.AttributeOn (shortcut_attr);
+ window.PutChar(name[0]);
+ window.AttributeOff(shortcut_attr);
+ name++;
+ if (name[0])
+ window.PutCString(name);
+ }
+ }
+
+ if (!underlined_shortcut)
+ {
+ window.PutCString(m_name.c_str());
+ }
+
+ if (highlight)
+ window.AttributeOff(hilgight_attr);
+
+ if (m_key_name.empty())
+ {
+ if (!underlined_shortcut && isprint(m_key_value))
+ {
+ window.AttributeOn (COLOR_PAIR(3));
+ window.Printf (" (%c)", m_key_value);
+ window.AttributeOff (COLOR_PAIR(3));
+ }
+ }
+ else
+ {
+ window.AttributeOn (COLOR_PAIR(3));
+ window.Printf (" (%s)", m_key_name.c_str());
+ window.AttributeOff (COLOR_PAIR(3));
+ }
+ }
+ }
+
+ bool
+ Menu::WindowDelegateDraw (Window &window, bool force)
+ {
+ Menus &submenus = GetSubmenus();
+ const size_t num_submenus = submenus.size();
+ const int selected_idx = GetSelectedSubmenuIndex();
+ Menu::Type menu_type = GetType ();
+ switch (menu_type)
+ {
+ case Menu::Type::Bar:
+ {
+ window.SetBackground(2);
+ window.MoveCursor(0, 0);
+ for (size_t i=0; i<num_submenus; ++i)
+ {
+ Menu *menu = submenus[i].get();
+ if (i > 0)
+ window.PutChar(' ');
+ menu->SetStartingColumn (window.GetCursorX());
+ window.PutCString("| ");
+ menu->DrawMenuTitle (window, false);
+ }
+ window.PutCString(" |");
+ window.DeferredRefresh();
+ }
+ break;
+
+ case Menu::Type::Item:
+ {
+ int y = 1;
+ int x = 3;
+ // Draw the menu
+ int cursor_x = 0;
+ int cursor_y = 0;
+ window.Erase();
+ window.SetBackground(2);
+ window.Box();
+ for (size_t i=0; i<num_submenus; ++i)
+ {
+ const bool is_selected = i == selected_idx;
+ window.MoveCursor(x, y + i);
+ if (is_selected)
+ {
+ // Remember where we want the cursor to be
+ cursor_x = x-1;
+ cursor_y = y+i;
+ }
+ submenus[i]->DrawMenuTitle (window, is_selected);
+ }
+ window.MoveCursor(cursor_x, cursor_y);
+ window.DeferredRefresh();
+ }
+ break;
+
+ default:
+ case Menu::Type::Separator:
+ break;
+ }
+ return true; // Drawing handled...
+ }
+
+ HandleCharResult
+ Menu::WindowDelegateHandleChar (Window &window, int key)
+ {
+ HandleCharResult result = eKeyNotHandled;
+
+ Menus &submenus = GetSubmenus();
+ const size_t num_submenus = submenus.size();
+ const int selected_idx = GetSelectedSubmenuIndex();
+ Menu::Type menu_type = GetType ();
+ if (menu_type == Menu::Type::Bar)
+ {
+ MenuSP run_menu_sp;
+ switch (key)
+ {
+ case KEY_DOWN:
+ case KEY_UP:
+ // Show last menu or first menu
+ if (selected_idx < num_submenus)
+ run_menu_sp = submenus[selected_idx];
+ else if (!submenus.empty())
+ run_menu_sp = submenus.front();
+ result = eKeyHandled;
+ break;
+
+ case KEY_RIGHT:
+ {
+ ++m_selected;
+ if (m_selected >= num_submenus)
+ m_selected = 0;
+ if (m_selected < num_submenus)
+ run_menu_sp = submenus[m_selected];
+ else if (!submenus.empty())
+ run_menu_sp = submenus.front();
+ result = eKeyHandled;
+ }
+ break;
+
+ case KEY_LEFT:
+ {
+ --m_selected;
+ if (m_selected < 0)
+ m_selected = num_submenus - 1;
+ if (m_selected < num_submenus)
+ run_menu_sp = submenus[m_selected];
+ else if (!submenus.empty())
+ run_menu_sp = submenus.front();
+ result = eKeyHandled;
+ }
+ break;
+
+ default:
+ for (size_t i=0; i<num_submenus; ++i)
+ {
+ if (submenus[i]->GetKeyValue() == key)
+ {
+ SetSelectedSubmenuIndex(i);
+ run_menu_sp = submenus[i];
+ result = eKeyHandled;
+ break;
+ }
+ }
+ break;
+ }
+
+ if (run_menu_sp)
+ {
+ // Run the action on this menu in case we need to populate the
+ // menu with dynamic content and also in case check marks, and
+ // any other menu decorations need to be caclulated
+ if (run_menu_sp->Action() == MenuActionResult::Quit)
+ return eQuitApplication;
+
+ Rect menu_bounds;
+ menu_bounds.origin.x = run_menu_sp->GetStartingColumn();
+ menu_bounds.origin.y = 1;
+ menu_bounds.size.width = run_menu_sp->GetDrawWidth();
+ menu_bounds.size.height = run_menu_sp->GetSubmenus().size() + 2;
+ if (m_menu_window_sp)
+ window.GetParent()->RemoveSubWindow(m_menu_window_sp.get());
+
+ m_menu_window_sp = window.GetParent()->CreateSubWindow (run_menu_sp->GetName().c_str(),
+ menu_bounds,
+ true);
+ m_menu_window_sp->SetDelegate (run_menu_sp);
+ }
+ }
+ else if (menu_type == Menu::Type::Item)
+ {
+ switch (key)
+ {
+ case KEY_DOWN:
+ if (m_submenus.size() > 1)
+ {
+ const int start_select = m_selected;
+ while (++m_selected != start_select)
+ {
+ if (m_selected >= num_submenus)
+ m_selected = 0;
+ if (m_submenus[m_selected]->GetType() == Type::Separator)
+ continue;
+ else
+ break;
+ }
+ return eKeyHandled;
+ }
+ break;
+
+ case KEY_UP:
+ if (m_submenus.size() > 1)
+ {
+ const int start_select = m_selected;
+ while (--m_selected != start_select)
+ {
+ if (m_selected < 0)
+ m_selected = num_submenus - 1;
+ if (m_submenus[m_selected]->GetType() == Type::Separator)
+ continue;
+ else
+ break;
+ }
+ return eKeyHandled;
+ }
+ break;
+
+ case KEY_RETURN:
+ if (selected_idx < num_submenus)
+ {
+ if (submenus[selected_idx]->Action() == MenuActionResult::Quit)
+ return eQuitApplication;
+ window.GetParent()->RemoveSubWindow(&window);
+ return eKeyHandled;
+ }
+ break;
+
+ case KEY_ESCAPE: // Beware: pressing escape key has 1 to 2 second delay in case other chars are entered for escaped sequences
+ window.GetParent()->RemoveSubWindow(&window);
+ return eKeyHandled;
+
+ default:
+ {
+ bool handled = false;
+ for (size_t i=0; i<num_submenus; ++i)
+ {
+ Menu *menu = submenus[i].get();
+ if (menu->GetKeyValue() == key)
+ {
+ handled = true;
+ SetSelectedSubmenuIndex(i);
+ window.GetParent()->RemoveSubWindow(&window);
+ if (menu->Action() == MenuActionResult::Quit)
+ return eQuitApplication;
+ return eKeyHandled;
+ }
+ }
+ }
+ break;
+
+ }
+ }
+ else if (menu_type == Menu::Type::Separator)
+ {
+
+ }
+ return result;
+ }
+
+
+ class Application
+ {
+ public:
+ Application (FILE *in, FILE *out) :
+ m_window_sp(),
+ m_screen (NULL),
+ m_in (in),
+ m_out (out)
+ {
+
+ }
+
+ ~Application ()
+ {
+ m_window_delegates.clear();
+ m_window_sp.reset();
+ if (m_screen)
+ {
+ ::delscreen(m_screen);
+ m_screen = NULL;
+ }
+ }
+
+ void
+ Initialize ()
+ {
+ ::setlocale(LC_ALL, "");
+ ::setlocale(LC_CTYPE, "");
+#if 0
+ ::initscr();
+#else
+ m_screen = ::newterm(NULL, m_out, m_in);
+#endif
+ ::start_color();
+ ::curs_set(0);
+ ::noecho();
+ ::keypad(stdscr,TRUE);
+ }
+
+ void
+ Terminate ()
+ {
+ ::endwin();
+ }
+
+ void
+ Run (Debugger &debugger)
+ {
+ bool done = false;
+ int delay_in_tenths_of_a_second = 1;
+
+ // Alas the threading model in curses is a bit lame so we need to
+ // resort to polling every 0.5 seconds. We could poll for stdin
+ // ourselves and then pass the keys down but then we need to
+ // translate all of the escape sequences ourselves. So we resort to
+ // polling for input because we need to receive async process events
+ // while in this loop.
+
+ halfdelay(delay_in_tenths_of_a_second); // Poll using some number of tenths of seconds seconds when calling Window::GetChar()
+
+ ListenerSP listener_sp (new Listener ("lldb.IOHandler.curses.Application"));
+ ConstString broadcaster_class_target(Target::GetStaticBroadcasterClass());
+ ConstString broadcaster_class_process(Process::GetStaticBroadcasterClass());
+ ConstString broadcaster_class_thread(Thread::GetStaticBroadcasterClass());
+ debugger.EnableForwardEvents (listener_sp);
+
+ bool update = true;
+#if defined(__APPLE__)
+ std::deque<int> escape_chars;
+#endif
+
+ while (!done)
+ {
+ if (update)
+ {
+ m_window_sp->Draw(false);
+ // All windows should be calling Window::DeferredRefresh() instead
+ // of Window::Refresh() so we can do a single update and avoid
+ // any screen blinking
+ update_panels();
+
+ // Cursor hiding isn't working on MacOSX, so hide it in the top left corner
+ m_window_sp->MoveCursor(0, 0);
+
+ doupdate();
+ update = false;
+ }
+
+#if defined(__APPLE__)
+ // Terminal.app doesn't map its function keys correctly, F1-F4 default to:
+ // \033OP, \033OQ, \033OR, \033OS, so lets take care of this here if possible
+ int ch;
+ if (escape_chars.empty())
+ ch = m_window_sp->GetChar();
+ else
+ {
+ ch = escape_chars.front();
+ escape_chars.pop_front();
+ }
+ if (ch == KEY_ESCAPE)
+ {
+ int ch2 = m_window_sp->GetChar();
+ if (ch2 == 'O')
+ {
+ int ch3 = m_window_sp->GetChar();
+ switch (ch3)
+ {
+ case 'P': ch = KEY_F(1); break;
+ case 'Q': ch = KEY_F(2); break;
+ case 'R': ch = KEY_F(3); break;
+ case 'S': ch = KEY_F(4); break;
+ default:
+ escape_chars.push_back(ch2);
+ if (ch3 != -1)
+ escape_chars.push_back(ch3);
+ break;
+ }
+ }
+ else if (ch2 != -1)
+ escape_chars.push_back(ch2);
+ }
+#else
+ int ch = m_window_sp->GetChar();
+
+#endif
+ if (ch == -1)
+ {
+ if (feof(m_in) || ferror(m_in))
+ {
+ done = true;
+ }
+ else
+ {
+ // Just a timeout from using halfdelay(), check for events
+ EventSP event_sp;
+ while (listener_sp->PeekAtNextEvent())
+ {
+ listener_sp->GetNextEvent(event_sp);
+
+ if (event_sp)
+ {
+ Broadcaster *broadcaster = event_sp->GetBroadcaster();
+ if (broadcaster)
+ {
+ //uint32_t event_type = event_sp->GetType();
+ ConstString broadcaster_class (broadcaster->GetBroadcasterClass());
+ if (broadcaster_class == broadcaster_class_process)
+ {
+ update = true;
+ continue; // Don't get any key, just update our view
+ }
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ HandleCharResult key_result = m_window_sp->HandleChar(ch);
+ switch (key_result)
+ {
+ case eKeyHandled:
+ update = true;
+ break;
+ case eKeyNotHandled:
+ break;
+ case eQuitApplication:
+ done = true;
+ break;
+ }
+ }
+ }
+
+ debugger.CancelForwardEvents (listener_sp);
+
+ }
+
+ WindowSP &
+ GetMainWindow ()
+ {
+ if (!m_window_sp)
+ m_window_sp.reset (new Window ("main", stdscr, false));
+ return m_window_sp;
+ }
+
+ WindowDelegates &
+ GetWindowDelegates ()
+ {
+ return m_window_delegates;
+ }
+
+ protected:
+ WindowSP m_window_sp;
+ WindowDelegates m_window_delegates;
+ SCREEN *m_screen;
+ FILE *m_in;
+ FILE *m_out;
+ };
+
+
+} // namespace curses
+
+
+using namespace curses;
+
+struct Row
+{
+ ValueObjectSP valobj;
+ Row *parent;
+ int row_idx;
+ int x;
+ int y;
+ bool might_have_children;
+ bool expanded;
+ bool calculated_children;
+ std::vector<Row> children;
+
+ Row (const ValueObjectSP &v, Row *p) :
+ valobj (v),
+ parent (p),
+ row_idx(0),
+ x(1),
+ y(1),
+ might_have_children (v ? v->MightHaveChildren() : false),
+ expanded (false),
+ calculated_children (false),
+ children()
+ {
+ }
+
+ size_t
+ GetDepth () const
+ {
+ if (parent)
+ return 1 + parent->GetDepth();
+ return 0;
+ }
+
+ void
+ Expand()
+ {
+ expanded = true;
+ if (!calculated_children)
+ {
+ calculated_children = true;
+ if (valobj)
+ {
+ const size_t num_children = valobj->GetNumChildren();
+ for (size_t i=0; i<num_children; ++i)
+ {
+ children.push_back(Row (valobj->GetChildAtIndex(i, true), this));
+ }
+ }
+ }
+ }
+
+ void
+ Unexpand ()
+ {
+ expanded = false;
+ }
+
+ void
+ DrawTree (Window &window)
+ {
+ if (parent)
+ parent->DrawTreeForChild (window, this, 0);
+
+ if (might_have_children)
+ {
+ // It we can get UTF8 characters to work we should try to use the "symbol"
+ // UTF8 string below
+// const char *symbol = "";
+// if (row.expanded)
+// symbol = "\xe2\x96\xbd ";
+// else
+// symbol = "\xe2\x96\xb7 ";
+// window.PutCString (symbol);
+
+ // The ACS_DARROW and ACS_RARROW don't look very nice they are just a
+ // 'v' or '>' character...
+// if (expanded)
+// window.PutChar (ACS_DARROW);
+// else
+// window.PutChar (ACS_RARROW);
+ // Since we can't find any good looking right arrow/down arrow
+ // symbols, just use a diamond...
+ window.PutChar (ACS_DIAMOND);
+ window.PutChar (ACS_HLINE);
+ }
+ }
+
+ void
+ DrawTreeForChild (Window &window, Row *child, uint32_t reverse_depth)
+ {
+ if (parent)
+ parent->DrawTreeForChild (window, this, reverse_depth + 1);
+
+ if (&children.back() == child)
+ {
+ // Last child
+ if (reverse_depth == 0)
+ {
+ window.PutChar (ACS_LLCORNER);
+ window.PutChar (ACS_HLINE);
+ }
+ else
+ {
+ window.PutChar (' ');
+ window.PutChar (' ');
+ }
+ }
+ else
+ {
+ if (reverse_depth == 0)
+ {
+ window.PutChar (ACS_LTEE);
+ window.PutChar (ACS_HLINE);
+ }
+ else
+ {
+ window.PutChar (ACS_VLINE);
+ window.PutChar (' ');
+ }
+ }
+ }
+};
+
+struct DisplayOptions
+{
+ bool show_types;
+};
+
+class TreeItem;
+
+class TreeDelegate
+{
+public:
+ TreeDelegate() {}
+ virtual ~TreeDelegate() {}
+ virtual void TreeDelegateDrawTreeItem (TreeItem &item, Window &window) = 0;
+ virtual void TreeDelegateGenerateChildren (TreeItem &item) = 0;
+ virtual bool TreeDelegateItemSelected (TreeItem &item) = 0; // Return true if we need to update views
+};
+typedef std::shared_ptr<TreeDelegate> TreeDelegateSP;
+
+class TreeItem
+{
+public:
+
+ TreeItem (TreeItem *parent, TreeDelegate &delegate, bool might_have_children) :
+ m_parent (parent),
+ m_delegate (delegate),
+ m_identifier (0),
+ m_row_idx (-1),
+ m_children (),
+ m_might_have_children (might_have_children),
+ m_is_expanded (false)
+ {
+ }
+
+ TreeItem &
+ operator=(const TreeItem &rhs)
+ {
+ if (this != &rhs)
+ {
+ m_parent = rhs.m_parent;
+ m_delegate = rhs.m_delegate;
+ m_identifier = rhs.m_identifier;
+ m_row_idx = rhs.m_row_idx;
+ m_children = rhs.m_children;
+ m_might_have_children = rhs.m_might_have_children;
+ m_is_expanded = rhs.m_is_expanded;
+ }
+ return *this;
+ }
+
+ size_t
+ GetDepth () const
+ {
+ if (m_parent)
+ return 1 + m_parent->GetDepth();
+ return 0;
+ }
+
+ int
+ GetRowIndex () const
+ {
+ return m_row_idx;
+ }
+
+ void
+ ClearChildren ()
+ {
+ m_children.clear();
+ }
+
+ void
+ Resize (size_t n, const TreeItem &t)
+ {
+ m_children.resize(n, t);
+ }
+
+ TreeItem &
+ operator [](size_t i)
+ {
+ return m_children[i];
+ }
+
+ void
+ SetRowIndex (int row_idx)
+ {
+ m_row_idx = row_idx;
+ }
+
+ size_t
+ GetNumChildren ()
+ {
+ m_delegate.TreeDelegateGenerateChildren (*this);
+ return m_children.size();
+ }
+
+ void
+ ItemWasSelected ()
+ {
+ m_delegate.TreeDelegateItemSelected(*this);
+ }
+ void
+ CalculateRowIndexes (int &row_idx)
+ {
+ SetRowIndex(row_idx);
+ ++row_idx;
+
+ // The root item must calculate its children
+ if (m_parent == NULL)
+ GetNumChildren();
+
+ const bool expanded = IsExpanded();
+ for (auto &item : m_children)
+ {
+ if (expanded)
+ item.CalculateRowIndexes(row_idx);
+ else
+ item.SetRowIndex(-1);
+ }
+ }
+
+ TreeItem *
+ GetParent ()
+ {
+ return m_parent;
+ }
+
+ bool
+ IsExpanded () const
+ {
+ return m_is_expanded;
+ }
+
+ void
+ Expand()
+ {
+ m_is_expanded = true;
+ }
+
+ void
+ Unexpand ()
+ {
+ m_is_expanded = false;
+ }
+
+ bool
+ Draw (Window &window,
+ const int first_visible_row,
+ const uint32_t selected_row_idx,
+ int &row_idx,
+ int &num_rows_left)
+ {
+ if (num_rows_left <= 0)
+ return false;
+
+ if (m_row_idx >= first_visible_row)
+ {
+ window.MoveCursor(2, row_idx + 1);
+
+ if (m_parent)
+ m_parent->DrawTreeForChild (window, this, 0);
+
+ if (m_might_have_children)
+ {
+ // It we can get UTF8 characters to work we should try to use the "symbol"
+ // UTF8 string below
+ // const char *symbol = "";
+ // if (row.expanded)
+ // symbol = "\xe2\x96\xbd ";
+ // else
+ // symbol = "\xe2\x96\xb7 ";
+ // window.PutCString (symbol);
+
+ // The ACS_DARROW and ACS_RARROW don't look very nice they are just a
+ // 'v' or '>' character...
+ // if (expanded)
+ // window.PutChar (ACS_DARROW);
+ // else
+ // window.PutChar (ACS_RARROW);
+ // Since we can't find any good looking right arrow/down arrow
+ // symbols, just use a diamond...
+ window.PutChar (ACS_DIAMOND);
+ window.PutChar (ACS_HLINE);
+ }
+ bool highlight = (selected_row_idx == m_row_idx) && window.IsActive();
+
+ if (highlight)
+ window.AttributeOn(A_REVERSE);
+
+ m_delegate.TreeDelegateDrawTreeItem(*this, window);
+
+ if (highlight)
+ window.AttributeOff(A_REVERSE);
+ ++row_idx;
+ --num_rows_left;
+ }
+
+ if (num_rows_left <= 0)
+ return false; // We are done drawing...
+
+ if (IsExpanded())
+ {
+ for (auto &item : m_children)
+ {
+ // If we displayed all the rows and item.Draw() returns
+ // false we are done drawing and can exit this for loop
+ if (item.Draw(window, first_visible_row, selected_row_idx, row_idx, num_rows_left) == false)
+ break;
+ }
+ }
+ return num_rows_left >= 0; // Return true if not done drawing yet
+ }
+
+ void
+ DrawTreeForChild (Window &window, TreeItem *child, uint32_t reverse_depth)
+ {
+ if (m_parent)
+ m_parent->DrawTreeForChild (window, this, reverse_depth + 1);
+
+ if (&m_children.back() == child)
+ {
+ // Last child
+ if (reverse_depth == 0)
+ {
+ window.PutChar (ACS_LLCORNER);
+ window.PutChar (ACS_HLINE);
+ }
+ else
+ {
+ window.PutChar (' ');
+ window.PutChar (' ');
+ }
+ }
+ else
+ {
+ if (reverse_depth == 0)
+ {
+ window.PutChar (ACS_LTEE);
+ window.PutChar (ACS_HLINE);
+ }
+ else
+ {
+ window.PutChar (ACS_VLINE);
+ window.PutChar (' ');
+ }
+ }
+ }
+
+ TreeItem *
+ GetItemForRowIndex (uint32_t row_idx)
+ {
+ if (m_row_idx == row_idx)
+ return this;
+ if (m_children.empty())
+ return NULL;
+ if (m_children.back().m_row_idx < row_idx)
+ return NULL;
+ if (IsExpanded())
+ {
+ for (auto &item : m_children)
+ {
+ TreeItem *selected_item_ptr = item.GetItemForRowIndex(row_idx);
+ if (selected_item_ptr)
+ return selected_item_ptr;
+ }
+ }
+ return NULL;
+ }
+
+// void *
+// GetUserData() const
+// {
+// return m_user_data;
+// }
+//
+// void
+// SetUserData (void *user_data)
+// {
+// m_user_data = user_data;
+// }
+ uint64_t
+ GetIdentifier() const
+ {
+ return m_identifier;
+ }
+
+ void
+ SetIdentifier (uint64_t identifier)
+ {
+ m_identifier = identifier;
+ }
+
+
+protected:
+ TreeItem *m_parent;
+ TreeDelegate &m_delegate;
+ //void *m_user_data;
+ uint64_t m_identifier;
+ int m_row_idx; // Zero based visible row index, -1 if not visible or for the root item
+ std::vector<TreeItem> m_children;
+ bool m_might_have_children;
+ bool m_is_expanded;
+
+};
+
+class TreeWindowDelegate : public WindowDelegate
+{
+public:
+ TreeWindowDelegate (Debugger &debugger, const TreeDelegateSP &delegate_sp) :
+ m_debugger (debugger),
+ m_delegate_sp (delegate_sp),
+ m_root (NULL, *delegate_sp, true),
+ m_selected_item (NULL),
+ m_num_rows (0),
+ m_selected_row_idx (0),
+ m_first_visible_row (0),
+ m_min_x (0),
+ m_min_y (0),
+ m_max_x (0),
+ m_max_y (0)
+ {
+ }
+
+ int
+ NumVisibleRows () const
+ {
+ return m_max_y - m_min_y;
+ }
+
+ virtual bool
+ WindowDelegateDraw (Window &window, bool force)
+ {
+ ExecutionContext exe_ctx (m_debugger.GetCommandInterpreter().GetExecutionContext());
+ Process *process = exe_ctx.GetProcessPtr();
+
+ bool display_content = false;
+ if (process)
+ {
+ StateType state = process->GetState();
+ if (StateIsStoppedState(state, true))
+ {
+ // We are stopped, so it is ok to
+ display_content = true;
+ }
+ else if (StateIsRunningState(state))
+ {
+ return true; // Don't do any updating when we are running
+ }
+ }
+
+ m_min_x = 2;
+ m_min_y = 1;
+ m_max_x = window.GetWidth() - 1;
+ m_max_y = window.GetHeight() - 1;
+
+ window.Erase();
+ window.DrawTitleBox (window.GetName());
+
+ if (display_content)
+ {
+ const int num_visible_rows = NumVisibleRows();
+ m_num_rows = 0;
+ m_root.CalculateRowIndexes(m_num_rows);
+
+ // If we unexpanded while having something selected our
+ // total number of rows is less than the num visible rows,
+ // then make sure we show all the rows by setting the first
+ // visible row accordingly.
+ if (m_first_visible_row > 0 && m_num_rows < num_visible_rows)
+ m_first_visible_row = 0;
+
+ // Make sure the selected row is always visible
+ if (m_selected_row_idx < m_first_visible_row)
+ m_first_visible_row = m_selected_row_idx;
+ else if (m_first_visible_row + num_visible_rows <= m_selected_row_idx)
+ m_first_visible_row = m_selected_row_idx - num_visible_rows + 1;
+
+ int row_idx = 0;
+ int num_rows_left = num_visible_rows;
+ m_root.Draw (window, m_first_visible_row, m_selected_row_idx, row_idx, num_rows_left);
+ // Get the selected row
+ m_selected_item = m_root.GetItemForRowIndex (m_selected_row_idx);
+ }
+ else
+ {
+ m_selected_item = NULL;
+ }
+
+ window.DeferredRefresh();
+
+
+ return true; // Drawing handled
+ }
+
+
+ virtual const char *
+ WindowDelegateGetHelpText ()
+ {
+ return "Thread window keyboard shortcuts:";
+ }
+
+ virtual KeyHelp *
+ WindowDelegateGetKeyHelp ()
+ {
+ static curses::KeyHelp g_source_view_key_help[] = {
+ { KEY_UP, "Select previous item" },
+ { KEY_DOWN, "Select next item" },
+ { KEY_RIGHT, "Expand the selected item" },
+ { KEY_LEFT, "Unexpand the selected item or select parent if not expanded" },
+ { KEY_PPAGE, "Page up" },
+ { KEY_NPAGE, "Page down" },
+ { 'h', "Show help dialog" },
+ { ' ', "Toggle item expansion" },
+ { ',', "Page up" },
+ { '.', "Page down" },
+ { '\0', NULL }
+ };
+ return g_source_view_key_help;
+ }
+
+ virtual HandleCharResult
+ WindowDelegateHandleChar (Window &window, int c)
+ {
+ switch(c)
+ {
+ case ',':
+ case KEY_PPAGE:
+ // Page up key
+ if (m_first_visible_row > 0)
+ {
+ if (m_first_visible_row > m_max_y)
+ m_first_visible_row -= m_max_y;
+ else
+ m_first_visible_row = 0;
+ m_selected_row_idx = m_first_visible_row;
+ m_selected_item = m_root.GetItemForRowIndex(m_selected_row_idx);
+ if (m_selected_item)
+ m_selected_item->ItemWasSelected ();
+ }
+ return eKeyHandled;
+
+ case '.':
+ case KEY_NPAGE:
+ // Page down key
+ if (m_num_rows > m_max_y)
+ {
+ if (m_first_visible_row + m_max_y < m_num_rows)
+ {
+ m_first_visible_row += m_max_y;
+ m_selected_row_idx = m_first_visible_row;
+ m_selected_item = m_root.GetItemForRowIndex(m_selected_row_idx);
+ if (m_selected_item)
+ m_selected_item->ItemWasSelected ();
+ }
+ }
+ return eKeyHandled;
+
+ case KEY_UP:
+ if (m_selected_row_idx > 0)
+ {
+ --m_selected_row_idx;
+ m_selected_item = m_root.GetItemForRowIndex(m_selected_row_idx);
+ if (m_selected_item)
+ m_selected_item->ItemWasSelected ();
+ }
+ return eKeyHandled;
+ case KEY_DOWN:
+ if (m_selected_row_idx + 1 < m_num_rows)
+ {
+ ++m_selected_row_idx;
+ m_selected_item = m_root.GetItemForRowIndex(m_selected_row_idx);
+ if (m_selected_item)
+ m_selected_item->ItemWasSelected ();
+ }
+ return eKeyHandled;
+
+ case KEY_RIGHT:
+ if (m_selected_item)
+ {
+ if (!m_selected_item->IsExpanded())
+ m_selected_item->Expand();
+ }
+ return eKeyHandled;
+
+ case KEY_LEFT:
+ if (m_selected_item)
+ {
+ if (m_selected_item->IsExpanded())
+ m_selected_item->Unexpand();
+ else if (m_selected_item->GetParent())
+ {
+ m_selected_row_idx = m_selected_item->GetParent()->GetRowIndex();
+ m_selected_item = m_root.GetItemForRowIndex(m_selected_row_idx);
+ if (m_selected_item)
+ m_selected_item->ItemWasSelected ();
+ }
+ }
+ return eKeyHandled;
+
+ case ' ':
+ // Toggle expansion state when SPACE is pressed
+ if (m_selected_item)
+ {
+ if (m_selected_item->IsExpanded())
+ m_selected_item->Unexpand();
+ else
+ m_selected_item->Expand();
+ }
+ return eKeyHandled;
+
+ case 'h':
+ window.CreateHelpSubwindow ();
+ return eKeyHandled;
+
+ default:
+ break;
+ }
+ return eKeyNotHandled;
+ }
+
+protected:
+ Debugger &m_debugger;
+ TreeDelegateSP m_delegate_sp;
+ TreeItem m_root;
+ TreeItem *m_selected_item;
+ int m_num_rows;
+ int m_selected_row_idx;
+ int m_first_visible_row;
+ int m_min_x;
+ int m_min_y;
+ int m_max_x;
+ int m_max_y;
+
+};
+
+class FrameTreeDelegate : public TreeDelegate
+{
+public:
+ FrameTreeDelegate (const ThreadSP &thread_sp) :
+ TreeDelegate(),
+ m_thread_wp()
+ {
+ if (thread_sp)
+ m_thread_wp = thread_sp;
+ }
+
+ virtual ~FrameTreeDelegate()
+ {
+ }
+
+ virtual void
+ TreeDelegateDrawTreeItem (TreeItem &item, Window &window)
+ {
+ ThreadSP thread_sp = m_thread_wp.lock();
+ if (thread_sp)
+ {
+ const uint64_t frame_idx = item.GetIdentifier();
+ StackFrameSP frame_sp = thread_sp->GetStackFrameAtIndex(frame_idx);
+ if (frame_sp)
+ {
+ StreamString strm;
+ const SymbolContext &sc = frame_sp->GetSymbolContext(eSymbolContextEverything);
+ ExecutionContext exe_ctx (frame_sp);
+ //const char *frame_format = "frame #${frame.index}: ${module.file.basename}{`${function.name}${function.pc-offset}}}";
+ const char *frame_format = "frame #${frame.index}: {${function.name}${function.pc-offset}}}";
+ if (Debugger::FormatPrompt (frame_format, &sc, &exe_ctx, NULL, strm))
+ {
+ int right_pad = 1;
+ window.PutCStringTruncated(strm.GetString().c_str(), right_pad);
+ }
+ }
+ }
+ }
+ virtual void
+ TreeDelegateGenerateChildren (TreeItem &item)
+ {
+ // No children for frames yet...
+ }
+
+ virtual bool
+ TreeDelegateItemSelected (TreeItem &item)
+ {
+ ThreadSP thread_sp = m_thread_wp.lock();
+ if (thread_sp)
+ {
+ const uint64_t frame_idx = item.GetIdentifier();
+ thread_sp->SetSelectedFrameByIndex(frame_idx);
+ return true;
+ }
+ return false;
+ }
+ void
+ SetThread (ThreadSP thread_sp)
+ {
+ m_thread_wp = thread_sp;
+ }
+
+protected:
+ ThreadWP m_thread_wp;
+};
+
+class ThreadTreeDelegate : public TreeDelegate
+{
+public:
+ ThreadTreeDelegate (Debugger &debugger) :
+ TreeDelegate(),
+ m_debugger (debugger),
+ m_thread_wp (),
+ m_tid (LLDB_INVALID_THREAD_ID),
+ m_stop_id (UINT32_MAX)
+ {
+ }
+
+ virtual
+ ~ThreadTreeDelegate()
+ {
+ }
+
+ virtual void
+ TreeDelegateDrawTreeItem (TreeItem &item, Window &window)
+ {
+ ThreadSP thread_sp = m_thread_wp.lock();
+ if (thread_sp)
+ {
+ StreamString strm;
+ ExecutionContext exe_ctx (thread_sp);
+ const char *format = "thread #${thread.index}: tid = ${thread.id}{, stop reason = ${thread.stop-reason}}";
+ if (Debugger::FormatPrompt (format, NULL, &exe_ctx, NULL, strm))
+ {
+ int right_pad = 1;
+ window.PutCStringTruncated(strm.GetString().c_str(), right_pad);
+ }
+ }
+ }
+ virtual void
+ TreeDelegateGenerateChildren (TreeItem &item)
+ {
+ TargetSP target_sp (m_debugger.GetSelectedTarget());
+ if (target_sp)
+ {
+ ProcessSP process_sp = target_sp->GetProcessSP();
+ if (process_sp && process_sp->IsAlive())
+ {
+ StateType state = process_sp->GetState();
+ if (StateIsStoppedState(state, true))
+ {
+ ThreadSP thread_sp = process_sp->GetThreadList().GetSelectedThread();
+ if (thread_sp)
+ {
+ if (m_stop_id == process_sp->GetStopID() && thread_sp->GetID() == m_tid)
+ return; // Children are already up to date
+ if (m_frame_delegate_sp)
+ m_frame_delegate_sp->SetThread(thread_sp);
+ else
+ {
+ // Always expand the thread item the first time we show it
+ item.Expand();
+ m_frame_delegate_sp.reset (new FrameTreeDelegate(thread_sp));
+ }
+
+ m_stop_id = process_sp->GetStopID();
+ m_thread_wp = thread_sp;
+ m_tid = thread_sp->GetID();
+
+ TreeItem t (&item, *m_frame_delegate_sp, false);
+ size_t num_frames = thread_sp->GetStackFrameCount();
+ item.Resize (num_frames, t);
+ for (size_t i=0; i<num_frames; ++i)
+ {
+ item[i].SetIdentifier(i);
+ }
+ }
+ return;
+ }
+ }
+ }
+ item.ClearChildren();
+ }
+
+ virtual bool
+ TreeDelegateItemSelected (TreeItem &item)
+ {
+ ThreadSP thread_sp = m_thread_wp.lock();
+ if (thread_sp)
+ {
+ ThreadList &thread_list = thread_sp->GetProcess()->GetThreadList();
+ Mutex::Locker locker (thread_list.GetMutex());
+ ThreadSP selected_thread_sp = thread_list.GetSelectedThread();
+ if (selected_thread_sp->GetID() != thread_sp->GetID())
+ {
+ thread_list.SetSelectedThreadByID(thread_sp->GetID());
+ return true;
+ }
+ }
+ return false;
+ }
+
+protected:
+ Debugger &m_debugger;
+ ThreadWP m_thread_wp;
+ std::shared_ptr<FrameTreeDelegate> m_frame_delegate_sp;
+ lldb::user_id_t m_tid;
+ uint32_t m_stop_id;
+};
+
+class ValueObjectListDelegate : public WindowDelegate
+{
+public:
+ ValueObjectListDelegate () :
+ m_valobj_list (),
+ m_rows (),
+ m_selected_row (NULL),
+ m_selected_row_idx (0),
+ m_first_visible_row (0),
+ m_num_rows (0),
+ m_max_x (0),
+ m_max_y (0)
+ {
+ }
+
+ ValueObjectListDelegate (ValueObjectList &valobj_list) :
+ m_valobj_list (valobj_list),
+ m_rows (),
+ m_selected_row (NULL),
+ m_selected_row_idx (0),
+ m_first_visible_row (0),
+ m_num_rows (0),
+ m_max_x (0),
+ m_max_y (0)
+ {
+ SetValues (valobj_list);
+ }
+
+ virtual
+ ~ValueObjectListDelegate()
+ {
+ }
+
+ void
+ SetValues (ValueObjectList &valobj_list)
+ {
+ m_selected_row = NULL;
+ m_selected_row_idx = 0;
+ m_first_visible_row = 0;
+ m_num_rows = 0;
+ m_rows.clear();
+ m_valobj_list = valobj_list;
+ const size_t num_values = m_valobj_list.GetSize();
+ for (size_t i=0; i<num_values; ++i)
+ m_rows.push_back(Row(m_valobj_list.GetValueObjectAtIndex(i), NULL));
+ }
+
+ virtual bool
+ WindowDelegateDraw (Window &window, bool force)
+ {
+ m_num_rows = 0;
+ m_min_x = 2;
+ m_min_y = 1;
+ m_max_x = window.GetWidth() - 1;
+ m_max_y = window.GetHeight() - 1;
+
+ window.Erase();
+ window.DrawTitleBox (window.GetName());
+
+ const int num_visible_rows = NumVisibleRows();
+ const int num_rows = CalculateTotalNumberRows (m_rows);
+
+ // If we unexpanded while having something selected our
+ // total number of rows is less than the num visible rows,
+ // then make sure we show all the rows by setting the first
+ // visible row accordingly.
+ if (m_first_visible_row > 0 && num_rows < num_visible_rows)
+ m_first_visible_row = 0;
+
+ // Make sure the selected row is always visible
+ if (m_selected_row_idx < m_first_visible_row)
+ m_first_visible_row = m_selected_row_idx;
+ else if (m_first_visible_row + num_visible_rows <= m_selected_row_idx)
+ m_first_visible_row = m_selected_row_idx - num_visible_rows + 1;
+
+ DisplayRows (window, m_rows, g_options);
+
+ window.DeferredRefresh();
+
+ // Get the selected row
+ m_selected_row = GetRowForRowIndex (m_selected_row_idx);
+ // Keep the cursor on the selected row so the highlight and the cursor
+ // are always on the same line
+ if (m_selected_row)
+ window.MoveCursor (m_selected_row->x,
+ m_selected_row->y);
+
+ return true; // Drawing handled
+ }
+
+ virtual KeyHelp *
+ WindowDelegateGetKeyHelp ()
+ {
+ static curses::KeyHelp g_source_view_key_help[] = {
+ { KEY_UP, "Select previous item" },
+ { KEY_DOWN, "Select next item" },
+ { KEY_RIGHT, "Expand selected item" },
+ { KEY_LEFT, "Unexpand selected item or select parent if not expanded" },
+ { KEY_PPAGE, "Page up" },
+ { KEY_NPAGE, "Page down" },
+ { 'A', "Format as annotated address" },
+ { 'b', "Format as binary" },
+ { 'B', "Format as hex bytes with ASCII" },
+ { 'c', "Format as character" },
+ { 'd', "Format as a signed integer" },
+ { 'D', "Format selected value using the default format for the type" },
+ { 'f', "Format as float" },
+ { 'h', "Show help dialog" },
+ { 'i', "Format as instructions" },
+ { 'o', "Format as octal" },
+ { 'p', "Format as pointer" },
+ { 's', "Format as C string" },
+ { 't', "Toggle showing/hiding type names" },
+ { 'u', "Format as an unsigned integer" },
+ { 'x', "Format as hex" },
+ { 'X', "Format as uppercase hex" },
+ { ' ', "Toggle item expansion" },
+ { ',', "Page up" },
+ { '.', "Page down" },
+ { '\0', NULL }
+ };
+ return g_source_view_key_help;
+ }
+
+
+ virtual HandleCharResult
+ WindowDelegateHandleChar (Window &window, int c)
+ {
+ switch(c)
+ {
+ case 'x':
+ case 'X':
+ case 'o':
+ case 's':
+ case 'u':
+ case 'd':
+ case 'D':
+ case 'i':
+ case 'A':
+ case 'p':
+ case 'c':
+ case 'b':
+ case 'B':
+ case 'f':
+ // Change the format for the currently selected item
+ if (m_selected_row)
+ m_selected_row->valobj->SetFormat (FormatForChar (c));
+ return eKeyHandled;
+
+ case 't':
+ // Toggle showing type names
+ g_options.show_types = !g_options.show_types;
+ return eKeyHandled;
+
+ case ',':
+ case KEY_PPAGE:
+ // Page up key
+ if (m_first_visible_row > 0)
+ {
+ if (m_first_visible_row > m_max_y)
+ m_first_visible_row -= m_max_y;
+ else
+ m_first_visible_row = 0;
+ m_selected_row_idx = m_first_visible_row;
+ }
+ return eKeyHandled;
+
+ case '.':
+ case KEY_NPAGE:
+ // Page down key
+ if (m_num_rows > m_max_y)
+ {
+ if (m_first_visible_row + m_max_y < m_num_rows)
+ {
+ m_first_visible_row += m_max_y;
+ m_selected_row_idx = m_first_visible_row;
+ }
+ }
+ return eKeyHandled;
+
+ case KEY_UP:
+ if (m_selected_row_idx > 0)
+ --m_selected_row_idx;
+ return eKeyHandled;
+ case KEY_DOWN:
+ if (m_selected_row_idx + 1 < m_num_rows)
+ ++m_selected_row_idx;
+ return eKeyHandled;
+
+ case KEY_RIGHT:
+ if (m_selected_row)
+ {
+ if (!m_selected_row->expanded)
+ m_selected_row->Expand();
+ }
+ return eKeyHandled;
+
+ case KEY_LEFT:
+ if (m_selected_row)
+ {
+ if (m_selected_row->expanded)
+ m_selected_row->Unexpand();
+ else if (m_selected_row->parent)
+ m_selected_row_idx = m_selected_row->parent->row_idx;
+ }
+ return eKeyHandled;
+
+ case ' ':
+ // Toggle expansion state when SPACE is pressed
+ if (m_selected_row)
+ {
+ if (m_selected_row->expanded)
+ m_selected_row->Unexpand();
+ else
+ m_selected_row->Expand();
+ }
+ return eKeyHandled;
+
+ case 'h':
+ window.CreateHelpSubwindow ();
+ return eKeyHandled;
+
+ default:
+ break;
+ }
+ return eKeyNotHandled;
+ }
+
+protected:
+ ValueObjectList m_valobj_list;
+ std::vector<Row> m_rows;
+ Row *m_selected_row;
+ uint32_t m_selected_row_idx;
+ uint32_t m_first_visible_row;
+ uint32_t m_num_rows;
+ int m_min_x;
+ int m_min_y;
+ int m_max_x;
+ int m_max_y;
+
+ static Format
+ FormatForChar (int c)
+ {
+ switch (c)
+ {
+ case 'x': return eFormatHex;
+ case 'X': return eFormatHexUppercase;
+ case 'o': return eFormatOctal;
+ case 's': return eFormatCString;
+ case 'u': return eFormatUnsigned;
+ case 'd': return eFormatDecimal;
+ case 'D': return eFormatDefault;
+ case 'i': return eFormatInstruction;
+ case 'A': return eFormatAddressInfo;
+ case 'p': return eFormatPointer;
+ case 'c': return eFormatChar;
+ case 'b': return eFormatBinary;
+ case 'B': return eFormatBytesWithASCII;
+ case 'f': return eFormatFloat;
+ }
+ return eFormatDefault;
+ }
+
+ bool
+ DisplayRowObject (Window &window,
+ Row &row,
+ DisplayOptions &options,
+ bool highlight,
+ bool last_child)
+ {
+ ValueObject *valobj = row.valobj.get();
+
+ if (valobj == NULL)
+ return false;
+
+ const char *type_name = options.show_types ? valobj->GetTypeName().GetCString() : NULL;
+ const char *name = valobj->GetName().GetCString();
+ const char *value = valobj->GetValueAsCString ();
+ const char *summary = valobj->GetSummaryAsCString ();
+
+ window.MoveCursor (row.x, row.y);
+
+ row.DrawTree (window);
+
+ if (highlight)
+ window.AttributeOn(A_REVERSE);
+
+ if (type_name && type_name[0])
+ window.Printf ("(%s) ", type_name);
+
+ if (name && name[0])
+ window.PutCString(name);
+
+ attr_t changd_attr = 0;
+ if (valobj->GetValueDidChange())
+ changd_attr = COLOR_PAIR(5) | A_BOLD;
+
+ if (value && value[0])
+ {
+ window.PutCString(" = ");
+ if (changd_attr)
+ window.AttributeOn(changd_attr);
+ window.PutCString (value);
+ if (changd_attr)
+ window.AttributeOff(changd_attr);
+ }
+
+ if (summary && summary[0])
+ {
+ window.PutChar(' ');
+ if (changd_attr)
+ window.AttributeOn(changd_attr);
+ window.PutCString(summary);
+ if (changd_attr)
+ window.AttributeOff(changd_attr);
+ }
+
+ if (highlight)
+ window.AttributeOff (A_REVERSE);
+
+ return true;
+ }
+ void
+ DisplayRows (Window &window,
+ std::vector<Row> &rows,
+ DisplayOptions &options)
+ {
+ // > 0x25B7
+ // \/ 0x25BD
+
+ bool window_is_active = window.IsActive();
+ for (auto &row : rows)
+ {
+ const bool last_child = row.parent && &rows[rows.size()-1] == &row;
+ // Save the row index in each Row structure
+ row.row_idx = m_num_rows;
+ if ((m_num_rows >= m_first_visible_row) &&
+ ((m_num_rows - m_first_visible_row) < NumVisibleRows()))
+ {
+ row.x = m_min_x;
+ row.y = m_num_rows - m_first_visible_row + 1;
+ if (DisplayRowObject (window,
+ row,
+ options,
+ window_is_active && m_num_rows == m_selected_row_idx,
+ last_child))
+ {
+ ++m_num_rows;
+ }
+ else
+ {
+ row.x = 0;
+ row.y = 0;
+ }
+ }
+ else
+ {
+ row.x = 0;
+ row.y = 0;
+ ++m_num_rows;
+ }
+
+ if (row.expanded && !row.children.empty())
+ {
+ DisplayRows (window,
+ row.children,
+ options);
+ }
+ }
+ }
+
+ int
+ CalculateTotalNumberRows (const std::vector<Row> &rows)
+ {
+ int row_count = 0;
+ for (const auto &row : rows)
+ {
+ ++row_count;
+ if (row.expanded)
+ row_count += CalculateTotalNumberRows(row.children);
+ }
+ return row_count;
+ }
+ static Row *
+ GetRowForRowIndexImpl (std::vector<Row> &rows, size_t &row_index)
+ {
+ for (auto &row : rows)
+ {
+ if (row_index == 0)
+ return &row;
+ else
+ {
+ --row_index;
+ if (row.expanded && !row.children.empty())
+ {
+ Row *result = GetRowForRowIndexImpl (row.children, row_index);
+ if (result)
+ return result;
+ }
+ }
+ }
+ return NULL;
+ }
+
+ Row *
+ GetRowForRowIndex (size_t row_index)
+ {
+ return GetRowForRowIndexImpl (m_rows, row_index);
+ }
+
+ int
+ NumVisibleRows () const
+ {
+ return m_max_y - m_min_y;
+ }
+
+ static DisplayOptions g_options;
+};
+
+class FrameVariablesWindowDelegate : public ValueObjectListDelegate
+{
+public:
+ FrameVariablesWindowDelegate (Debugger &debugger) :
+ ValueObjectListDelegate (),
+ m_debugger (debugger),
+ m_frame_block (NULL)
+ {
+ }
+
+ virtual
+ ~FrameVariablesWindowDelegate()
+ {
+ }
+
+ virtual const char *
+ WindowDelegateGetHelpText ()
+ {
+ return "Frame variable window keyboard shortcuts:";
+ }
+
+ virtual bool
+ WindowDelegateDraw (Window &window, bool force)
+ {
+ ExecutionContext exe_ctx (m_debugger.GetCommandInterpreter().GetExecutionContext());
+ Process *process = exe_ctx.GetProcessPtr();
+ Block *frame_block = NULL;
+ StackFrame *frame = NULL;
+
+ if (process)
+ {
+ StateType state = process->GetState();
+ if (StateIsStoppedState(state, true))
+ {
+ frame = exe_ctx.GetFramePtr();
+ if (frame)
+ frame_block = frame->GetFrameBlock ();
+ }
+ else if (StateIsRunningState(state))
+ {
+ return true; // Don't do any updating when we are running
+ }
+ }
+
+ ValueObjectList local_values;
+ if (frame_block)
+ {
+ // Only update the variables if they have changed
+ if (m_frame_block != frame_block)
+ {
+ m_frame_block = frame_block;
+
+ VariableList *locals = frame->GetVariableList(true);
+ if (locals)
+ {
+ const DynamicValueType use_dynamic = eDynamicDontRunTarget;
+ const size_t num_locals = locals->GetSize();
+ for (size_t i=0; i<num_locals; ++i)
+ local_values.Append(frame->GetValueObjectForFrameVariable (locals->GetVariableAtIndex(i), use_dynamic));
+ // Update the values
+ SetValues(local_values);
+ }
+ }
+ }
+ else
+ {
+ m_frame_block = NULL;
+ // Update the values with an empty list if there is no frame
+ SetValues(local_values);
+ }
+
+ return ValueObjectListDelegate::WindowDelegateDraw (window, force);
+
+ }
+
+protected:
+ Debugger &m_debugger;
+ Block *m_frame_block;
+};
+
+
+class RegistersWindowDelegate : public ValueObjectListDelegate
+{
+public:
+ RegistersWindowDelegate (Debugger &debugger) :
+ ValueObjectListDelegate (),
+ m_debugger (debugger)
+ {
+ }
+
+ virtual
+ ~RegistersWindowDelegate()
+ {
+ }
+
+ virtual const char *
+ WindowDelegateGetHelpText ()
+ {
+ return "Register window keyboard shortcuts:";
+ }
+
+ virtual bool
+ WindowDelegateDraw (Window &window, bool force)
+ {
+ ExecutionContext exe_ctx (m_debugger.GetCommandInterpreter().GetExecutionContext());
+ StackFrame *frame = exe_ctx.GetFramePtr();
+
+ ValueObjectList value_list;
+ if (frame)
+ {
+ if (frame->GetStackID() != m_stack_id)
+ {
+ m_stack_id = frame->GetStackID();
+ RegisterContextSP reg_ctx (frame->GetRegisterContext());
+ if (reg_ctx)
+ {
+ const uint32_t num_sets = reg_ctx->GetRegisterSetCount();
+ for (uint32_t set_idx = 0; set_idx < num_sets; ++set_idx)
+ {
+ value_list.Append(ValueObjectRegisterSet::Create (frame, reg_ctx, set_idx));
+ }
+ }
+ SetValues(value_list);
+ }
+ }
+ else
+ {
+ Process *process = exe_ctx.GetProcessPtr();
+ if (process && process->IsAlive())
+ return true; // Don't do any updating if we are running
+ else
+ {
+ // Update the values with an empty list if there
+ // is no process or the process isn't alive anymore
+ SetValues(value_list);
+ }
+ }
+ return ValueObjectListDelegate::WindowDelegateDraw (window, force);
+ }
+
+protected:
+ Debugger &m_debugger;
+ StackID m_stack_id;
+};
+
+static const char *
+CursesKeyToCString (int ch)
+{
+ static char g_desc[32];
+ if (ch >= KEY_F0 && ch < KEY_F0 + 64)
+ {
+ snprintf(g_desc, sizeof(g_desc), "F%u", ch - KEY_F0);
+ return g_desc;
+ }
+ switch (ch)
+ {
+ case KEY_DOWN: return "down";
+ case KEY_UP: return "up";
+ case KEY_LEFT: return "left";
+ case KEY_RIGHT: return "right";
+ case KEY_HOME: return "home";
+ case KEY_BACKSPACE: return "backspace";
+ case KEY_DL: return "delete-line";
+ case KEY_IL: return "insert-line";
+ case KEY_DC: return "delete-char";
+ case KEY_IC: return "insert-char";
+ case KEY_CLEAR: return "clear";
+ case KEY_EOS: return "clear-to-eos";
+ case KEY_EOL: return "clear-to-eol";
+ case KEY_SF: return "scroll-forward";
+ case KEY_SR: return "scroll-backward";
+ case KEY_NPAGE: return "page-down";
+ case KEY_PPAGE: return "page-up";
+ case KEY_STAB: return "set-tab";
+ case KEY_CTAB: return "clear-tab";
+ case KEY_CATAB: return "clear-all-tabs";
+ case KEY_ENTER: return "enter";
+ case KEY_PRINT: return "print";
+ case KEY_LL: return "lower-left key";
+ case KEY_A1: return "upper left of keypad";
+ case KEY_A3: return "upper right of keypad";
+ case KEY_B2: return "center of keypad";
+ case KEY_C1: return "lower left of keypad";
+ case KEY_C3: return "lower right of keypad";
+ case KEY_BTAB: return "back-tab key";
+ case KEY_BEG: return "begin key";
+ case KEY_CANCEL: return "cancel key";
+ case KEY_CLOSE: return "close key";
+ case KEY_COMMAND: return "command key";
+ case KEY_COPY: return "copy key";
+ case KEY_CREATE: return "create key";
+ case KEY_END: return "end key";
+ case KEY_EXIT: return "exit key";
+ case KEY_FIND: return "find key";
+ case KEY_HELP: return "help key";
+ case KEY_MARK: return "mark key";
+ case KEY_MESSAGE: return "message key";
+ case KEY_MOVE: return "move key";
+ case KEY_NEXT: return "next key";
+ case KEY_OPEN: return "open key";
+ case KEY_OPTIONS: return "options key";
+ case KEY_PREVIOUS: return "previous key";
+ case KEY_REDO: return "redo key";
+ case KEY_REFERENCE: return "reference key";
+ case KEY_REFRESH: return "refresh key";
+ case KEY_REPLACE: return "replace key";
+ case KEY_RESTART: return "restart key";
+ case KEY_RESUME: return "resume key";
+ case KEY_SAVE: return "save key";
+ case KEY_SBEG: return "shifted begin key";
+ case KEY_SCANCEL: return "shifted cancel key";
+ case KEY_SCOMMAND: return "shifted command key";
+ case KEY_SCOPY: return "shifted copy key";
+ case KEY_SCREATE: return "shifted create key";
+ case KEY_SDC: return "shifted delete-character key";
+ case KEY_SDL: return "shifted delete-line key";
+ case KEY_SELECT: return "select key";
+ case KEY_SEND: return "shifted end key";
+ case KEY_SEOL: return "shifted clear-to-end-of-line key";
+ case KEY_SEXIT: return "shifted exit key";
+ case KEY_SFIND: return "shifted find key";
+ case KEY_SHELP: return "shifted help key";
+ case KEY_SHOME: return "shifted home key";
+ case KEY_SIC: return "shifted insert-character key";
+ case KEY_SLEFT: return "shifted left-arrow key";
+ case KEY_SMESSAGE: return "shifted message key";
+ case KEY_SMOVE: return "shifted move key";
+ case KEY_SNEXT: return "shifted next key";
+ case KEY_SOPTIONS: return "shifted options key";
+ case KEY_SPREVIOUS: return "shifted previous key";
+ case KEY_SPRINT: return "shifted print key";
+ case KEY_SREDO: return "shifted redo key";
+ case KEY_SREPLACE: return "shifted replace key";
+ case KEY_SRIGHT: return "shifted right-arrow key";
+ case KEY_SRSUME: return "shifted resume key";
+ case KEY_SSAVE: return "shifted save key";
+ case KEY_SSUSPEND: return "shifted suspend key";
+ case KEY_SUNDO: return "shifted undo key";
+ case KEY_SUSPEND: return "suspend key";
+ case KEY_UNDO: return "undo key";
+ case KEY_MOUSE: return "Mouse event has occurred";
+ case KEY_RESIZE: return "Terminal resize event";
+ case KEY_EVENT: return "We were interrupted by an event";
+ case KEY_RETURN: return "return";
+ case ' ': return "space";
+ case '\t': return "tab";
+ case KEY_ESCAPE: return "escape";
+ default:
+ if (isprint(ch))
+ snprintf(g_desc, sizeof(g_desc), "%c", ch);
+ else
+ snprintf(g_desc, sizeof(g_desc), "\\x%2.2x", ch);
+ return g_desc;
+ }
+ return NULL;
+}
+
+HelpDialogDelegate::HelpDialogDelegate (const char *text, KeyHelp *key_help_array) :
+ m_text (),
+ m_first_visible_line (0)
+{
+ if (text && text[0])
+ {
+ m_text.SplitIntoLines(text);
+ m_text.AppendString("");
+ }
+ if (key_help_array)
+ {
+ for (KeyHelp *key = key_help_array; key->ch; ++key)
+ {
+ StreamString key_description;
+ key_description.Printf("%10s - %s", CursesKeyToCString(key->ch), key->description);
+ m_text.AppendString(std::move(key_description.GetString()));
+ }
+ }
+}
+
+HelpDialogDelegate::~HelpDialogDelegate()
+{
+}
+
+bool
+HelpDialogDelegate::WindowDelegateDraw (Window &window, bool force)
+{
+ window.Erase();
+ const int window_height = window.GetHeight();
+ int x = 2;
+ int y = 1;
+ const int min_y = y;
+ const int max_y = window_height - 1 - y;
+ const int num_visible_lines = max_y - min_y + 1;
+ const size_t num_lines = m_text.GetSize();
+ const char *bottom_message;
+ if (num_lines <= num_visible_lines)
+ bottom_message = "Press any key to exit";
+ else
+ bottom_message = "Use arrows to scroll, any other key to exit";
+ window.DrawTitleBox(window.GetName(), bottom_message);
+ while (y <= max_y)
+ {
+ window.MoveCursor(x, y);
+ window.PutCStringTruncated(m_text.GetStringAtIndex(m_first_visible_line + y - min_y), 1);
+ ++y;
+ }
+ return true;
+}
+
+HandleCharResult
+HelpDialogDelegate::WindowDelegateHandleChar (Window &window, int key)
+{
+ bool done = false;
+ const size_t num_lines = m_text.GetSize();
+ const size_t num_visible_lines = window.GetHeight() - 2;
+
+ if (num_lines <= num_visible_lines)
+ {
+ done = true;
+ // If we have all lines visible and don't need scrolling, then any
+ // key press will cause us to exit
+ }
+ else
+ {
+ switch (key)
+ {
+ case KEY_UP:
+ if (m_first_visible_line > 0)
+ --m_first_visible_line;
+ break;
+
+ case KEY_DOWN:
+ if (m_first_visible_line + num_visible_lines < num_lines)
+ ++m_first_visible_line;
+ break;
+
+ case KEY_PPAGE:
+ case ',':
+ if (m_first_visible_line > 0)
+ {
+ if (m_first_visible_line >= num_visible_lines)
+ m_first_visible_line -= num_visible_lines;
+ else
+ m_first_visible_line = 0;
+ }
+ break;
+ case KEY_NPAGE:
+ case '.':
+ if (m_first_visible_line + num_visible_lines < num_lines)
+ {
+ m_first_visible_line += num_visible_lines;
+ if (m_first_visible_line > num_lines)
+ m_first_visible_line = num_lines - num_visible_lines;
+ }
+ break;
+ default:
+ done = true;
+ break;
+ }
+ }
+ if (done)
+ window.GetParent()->RemoveSubWindow(&window);
+ return eKeyHandled;
+}
+
+class ApplicationDelegate :
+ public WindowDelegate,
+ public MenuDelegate
+{
+public:
+ enum {
+ eMenuID_LLDB = 1,
+ eMenuID_LLDBAbout,
+ eMenuID_LLDBExit,
+
+ eMenuID_Target,
+ eMenuID_TargetCreate,
+ eMenuID_TargetDelete,
+
+ eMenuID_Process,
+ eMenuID_ProcessAttach,
+ eMenuID_ProcessDetach,
+ eMenuID_ProcessLaunch,
+ eMenuID_ProcessContinue,
+ eMenuID_ProcessHalt,
+ eMenuID_ProcessKill,
+
+ eMenuID_Thread,
+ eMenuID_ThreadStepIn,
+ eMenuID_ThreadStepOver,
+ eMenuID_ThreadStepOut,
+
+ eMenuID_View,
+ eMenuID_ViewBacktrace,
+ eMenuID_ViewRegisters,
+ eMenuID_ViewSource,
+ eMenuID_ViewVariables,
+
+ eMenuID_Help,
+ eMenuID_HelpGUIHelp
+ };
+
+ ApplicationDelegate (Application &app, Debugger &debugger) :
+ WindowDelegate (),
+ MenuDelegate (),
+ m_app (app),
+ m_debugger (debugger)
+ {
+ }
+
+ virtual
+ ~ApplicationDelegate ()
+ {
+ }
+ virtual bool
+ WindowDelegateDraw (Window &window, bool force)
+ {
+ return false; // Drawing not handled, let standard window drawing happen
+ }
+
+ virtual HandleCharResult
+ WindowDelegateHandleChar (Window &window, int key)
+ {
+ switch (key)
+ {
+ case '\t':
+ window.SelectNextWindowAsActive();
+ return eKeyHandled;
+
+ case 'h':
+ window.CreateHelpSubwindow();
+ return eKeyHandled;
+
+ case KEY_ESCAPE:
+ return eQuitApplication;
+
+ default:
+ break;
+ }
+ return eKeyNotHandled;
+ }
+
+
+ virtual const char *
+ WindowDelegateGetHelpText ()
+ {
+ return "Welcome to the LLDB curses GUI.\n\n"
+ "Press the TAB key to change the selected view.\n"
+ "Each view has its own keyboard shortcuts, press 'h' to open a dialog to display them.\n\n"
+ "Common key bindings for all views:";
+ }
+
+ virtual KeyHelp *
+ WindowDelegateGetKeyHelp ()
+ {
+ static curses::KeyHelp g_source_view_key_help[] = {
+ { '\t', "Select next view" },
+ { 'h', "Show help dialog with view specific key bindings" },
+ { ',', "Page up" },
+ { '.', "Page down" },
+ { KEY_UP, "Select previous" },
+ { KEY_DOWN, "Select next" },
+ { KEY_LEFT, "Unexpand or select parent" },
+ { KEY_RIGHT, "Expand" },
+ { KEY_PPAGE, "Page up" },
+ { KEY_NPAGE, "Page down" },
+ { '\0', NULL }
+ };
+ return g_source_view_key_help;
+ }
+
+ virtual MenuActionResult
+ MenuDelegateAction (Menu &menu)
+ {
+ switch (menu.GetIdentifier())
+ {
+ case eMenuID_ThreadStepIn:
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasThreadScope())
+ {
+ Process *process = exe_ctx.GetProcessPtr();
+ if (process && process->IsAlive() && StateIsStoppedState (process->GetState(), true))
+ exe_ctx.GetThreadRef().StepIn(true, true);
+ }
+ }
+ return MenuActionResult::Handled;
+
+ case eMenuID_ThreadStepOut:
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasThreadScope())
+ {
+ Process *process = exe_ctx.GetProcessPtr();
+ if (process && process->IsAlive() && StateIsStoppedState (process->GetState(), true))
+ exe_ctx.GetThreadRef().StepOut();
+ }
+ }
+ return MenuActionResult::Handled;
+
+ case eMenuID_ThreadStepOver:
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasThreadScope())
+ {
+ Process *process = exe_ctx.GetProcessPtr();
+ if (process && process->IsAlive() && StateIsStoppedState (process->GetState(), true))
+ exe_ctx.GetThreadRef().StepOver(true);
+ }
+ }
+ return MenuActionResult::Handled;
+
+ case eMenuID_ProcessContinue:
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasProcessScope())
+ {
+ Process *process = exe_ctx.GetProcessPtr();
+ if (process && process->IsAlive() && StateIsStoppedState (process->GetState(), true))
+ process->Resume();
+ }
+ }
+ return MenuActionResult::Handled;
+
+ case eMenuID_ProcessKill:
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasProcessScope())
+ {
+ Process *process = exe_ctx.GetProcessPtr();
+ if (process && process->IsAlive())
+ process->Destroy();
+ }
+ }
+ return MenuActionResult::Handled;
+
+ case eMenuID_ProcessHalt:
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasProcessScope())
+ {
+ Process *process = exe_ctx.GetProcessPtr();
+ if (process && process->IsAlive())
+ process->Halt();
+ }
+ }
+ return MenuActionResult::Handled;
+
+ case eMenuID_ProcessDetach:
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasProcessScope())
+ {
+ Process *process = exe_ctx.GetProcessPtr();
+ if (process && process->IsAlive())
+ process->Detach(false);
+ }
+ }
+ return MenuActionResult::Handled;
+
+ case eMenuID_Process:
+ {
+ // Populate the menu with all of the threads if the process is stopped when
+ // the Process menu gets selected and is about to display its submenu.
+ Menus &submenus = menu.GetSubmenus();
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ Process *process = exe_ctx.GetProcessPtr();
+ if (process && process->IsAlive() && StateIsStoppedState (process->GetState(), true))
+ {
+ if (submenus.size() == 7)
+ menu.AddSubmenu (MenuSP (new Menu(Menu::Type::Separator)));
+ else if (submenus.size() > 8)
+ submenus.erase (submenus.begin() + 8, submenus.end());
+
+ ThreadList &threads = process->GetThreadList();
+ Mutex::Locker locker (threads.GetMutex());
+ size_t num_threads = threads.GetSize();
+ for (size_t i=0; i<num_threads; ++i)
+ {
+ ThreadSP thread_sp = threads.GetThreadAtIndex(i);
+ char menu_char = '\0';
+ if (i < 9)
+ menu_char = '1' + i;
+ StreamString thread_menu_title;
+ thread_menu_title.Printf("Thread %u", thread_sp->GetIndexID());
+ const char *thread_name = thread_sp->GetName();
+ if (thread_name && thread_name[0])
+ thread_menu_title.Printf (" %s", thread_name);
+ else
+ {
+ const char *queue_name = thread_sp->GetQueueName();
+ if (queue_name && queue_name[0])
+ thread_menu_title.Printf (" %s", queue_name);
+ }
+ menu.AddSubmenu (MenuSP (new Menu(thread_menu_title.GetString().c_str(), NULL, menu_char, thread_sp->GetID())));
+ }
+ }
+ else if (submenus.size() > 7)
+ {
+ // Remove the separator and any other thread submenu items
+ // that were previously added
+ submenus.erase (submenus.begin() + 7, submenus.end());
+ }
+ // Since we are adding and removing items we need to recalculate the name lengths
+ menu.RecalculateNameLengths();
+ }
+ return MenuActionResult::Handled;
+
+ case eMenuID_ViewVariables:
+ {
+ WindowSP main_window_sp = m_app.GetMainWindow();
+ WindowSP source_window_sp = main_window_sp->FindSubWindow("Source");
+ WindowSP variables_window_sp = main_window_sp->FindSubWindow("Variables");
+ WindowSP registers_window_sp = main_window_sp->FindSubWindow("Registers");
+ const Rect source_bounds = source_window_sp->GetBounds();
+
+ if (variables_window_sp)
+ {
+ const Rect variables_bounds = variables_window_sp->GetBounds();
+
+ main_window_sp->RemoveSubWindow(variables_window_sp.get());
+
+ if (registers_window_sp)
+ {
+ // We have a registers window, so give all the area back to the registers window
+ Rect registers_bounds = variables_bounds;
+ registers_bounds.size.width = source_bounds.size.width;
+ registers_window_sp->SetBounds(registers_bounds);
+ }
+ else
+ {
+ // We have no registers window showing so give the bottom
+ // area back to the source view
+ source_window_sp->Resize (source_bounds.size.width,
+ source_bounds.size.height + variables_bounds.size.height);
+ }
+ }
+ else
+ {
+ Rect new_variables_rect;
+ if (registers_window_sp)
+ {
+ // We have a registers window so split the area of the registers
+ // window into two columns where the left hand side will be the
+ // variables and the right hand side will be the registers
+ const Rect variables_bounds = registers_window_sp->GetBounds();
+ Rect new_registers_rect;
+ variables_bounds.VerticalSplitPercentage (0.50, new_variables_rect, new_registers_rect);
+ registers_window_sp->SetBounds (new_registers_rect);
+ }
+ else
+ {
+ // No variables window, grab the bottom part of the source window
+ Rect new_source_rect;
+ source_bounds.HorizontalSplitPercentage (0.70, new_source_rect, new_variables_rect);
+ source_window_sp->SetBounds (new_source_rect);
+ }
+ WindowSP new_window_sp = main_window_sp->CreateSubWindow ("Variables",
+ new_variables_rect,
+ false);
+ new_window_sp->SetDelegate (WindowDelegateSP(new FrameVariablesWindowDelegate(m_debugger)));
+ }
+ touchwin(stdscr);
+ }
+ return MenuActionResult::Handled;
+
+ case eMenuID_ViewRegisters:
+ {
+ WindowSP main_window_sp = m_app.GetMainWindow();
+ WindowSP source_window_sp = main_window_sp->FindSubWindow("Source");
+ WindowSP variables_window_sp = main_window_sp->FindSubWindow("Variables");
+ WindowSP registers_window_sp = main_window_sp->FindSubWindow("Registers");
+ const Rect source_bounds = source_window_sp->GetBounds();
+
+ if (registers_window_sp)
+ {
+ if (variables_window_sp)
+ {
+ const Rect variables_bounds = variables_window_sp->GetBounds();
+
+ // We have a variables window, so give all the area back to the variables window
+ variables_window_sp->Resize (variables_bounds.size.width + registers_window_sp->GetWidth(),
+ variables_bounds.size.height);
+ }
+ else
+ {
+ // We have no variables window showing so give the bottom
+ // area back to the source view
+ source_window_sp->Resize (source_bounds.size.width,
+ source_bounds.size.height + registers_window_sp->GetHeight());
+ }
+ main_window_sp->RemoveSubWindow(registers_window_sp.get());
+ }
+ else
+ {
+ Rect new_regs_rect;
+ if (variables_window_sp)
+ {
+ // We have a variables window, split it into two columns
+ // where the left hand side will be the variables and the
+ // right hand side will be the registers
+ const Rect variables_bounds = variables_window_sp->GetBounds();
+ Rect new_vars_rect;
+ variables_bounds.VerticalSplitPercentage (0.50, new_vars_rect, new_regs_rect);
+ variables_window_sp->SetBounds (new_vars_rect);
+ }
+ else
+ {
+ // No registers window, grab the bottom part of the source window
+ Rect new_source_rect;
+ source_bounds.HorizontalSplitPercentage (0.70, new_source_rect, new_regs_rect);
+ source_window_sp->SetBounds (new_source_rect);
+ }
+ WindowSP new_window_sp = main_window_sp->CreateSubWindow ("Registers",
+ new_regs_rect,
+ false);
+ new_window_sp->SetDelegate (WindowDelegateSP(new RegistersWindowDelegate(m_debugger)));
+ }
+ touchwin(stdscr);
+ }
+ return MenuActionResult::Handled;
+
+ case eMenuID_HelpGUIHelp:
+ m_app.GetMainWindow ()->CreateHelpSubwindow();
+ return MenuActionResult::Handled;
+
+ default:
+ break;
+ }
+
+ return MenuActionResult::NotHandled;
+ }
+protected:
+ Application &m_app;
+ Debugger &m_debugger;
+};
+
+
+class StatusBarWindowDelegate : public WindowDelegate
+{
+public:
+ StatusBarWindowDelegate (Debugger &debugger) :
+ m_debugger (debugger)
+ {
+ }
+
+ virtual
+ ~StatusBarWindowDelegate ()
+ {
+ }
+ virtual bool
+ WindowDelegateDraw (Window &window, bool force)
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ Process *process = exe_ctx.GetProcessPtr();
+ Thread *thread = exe_ctx.GetThreadPtr();
+ StackFrame *frame = exe_ctx.GetFramePtr();
+ window.Erase();
+ window.SetBackground(2);
+ window.MoveCursor (0, 0);
+ if (process)
+ {
+ const StateType state = process->GetState();
+ window.Printf ("Process: %5" PRIu64 " %10s", process->GetID(), StateAsCString(state));
+
+ if (StateIsStoppedState(state, true))
+ {
+ window.MoveCursor (40, 0);
+ if (thread)
+ window.Printf ("Thread: 0x%4.4" PRIx64, thread->GetID());
+
+ window.MoveCursor (60, 0);
+ if (frame)
+ window.Printf ("Frame: %3u PC = 0x%16.16" PRIx64, frame->GetFrameIndex(), frame->GetFrameCodeAddress().GetOpcodeLoadAddress (exe_ctx.GetTargetPtr()));
+ }
+ else if (state == eStateExited)
+ {
+ const char *exit_desc = process->GetExitDescription();
+ const int exit_status = process->GetExitStatus();
+ if (exit_desc && exit_desc[0])
+ window.Printf (" with status = %i (%s)", exit_status, exit_desc);
+ else
+ window.Printf (" with status = %i", exit_status);
+ }
+ }
+ window.DeferredRefresh();
+ return true;
+ }
+
+protected:
+ Debugger &m_debugger;
+};
+
+class SourceFileWindowDelegate : public WindowDelegate
+{
+public:
+ SourceFileWindowDelegate (Debugger &debugger) :
+ WindowDelegate (),
+ m_debugger (debugger),
+ m_sc (),
+ m_file_sp (),
+ m_disassembly_scope (NULL),
+ m_disassembly_sp (),
+ m_disassembly_range (),
+ m_line_width (4),
+ m_selected_line (0),
+ m_pc_line (0),
+ m_stop_id (0),
+ m_frame_idx (UINT32_MAX),
+ m_first_visible_line (0),
+ m_min_x (0),
+ m_min_y (0),
+ m_max_x (0),
+ m_max_y (0)
+ {
+ }
+
+
+ virtual
+ ~SourceFileWindowDelegate()
+ {
+ }
+
+ void
+ Update (const SymbolContext &sc)
+ {
+ m_sc = sc;
+ }
+
+ uint32_t
+ NumVisibleLines () const
+ {
+ return m_max_y - m_min_y;
+ }
+
+ virtual const char *
+ WindowDelegateGetHelpText ()
+ {
+ return "Source/Disassembly window keyboard shortcuts:";
+ }
+
+ virtual KeyHelp *
+ WindowDelegateGetKeyHelp ()
+ {
+ static curses::KeyHelp g_source_view_key_help[] = {
+ { KEY_RETURN, "Run to selected line with one shot breakpoint" },
+ { KEY_UP, "Select previous source line" },
+ { KEY_DOWN, "Select next source line" },
+ { KEY_PPAGE, "Page up" },
+ { KEY_NPAGE, "Page down" },
+ { 'b', "Set breakpoint on selected source/disassembly line" },
+ { 'c', "Continue process" },
+ { 'd', "Detach and resume process" },
+ { 'D', "Detach with process suspended" },
+ { 'h', "Show help dialog" },
+ { 'k', "Kill process" },
+ { 'n', "Step over (source line)" },
+ { 'N', "Step over (single instruction)" },
+ { 'o', "Step out" },
+ { 's', "Step in (source line)" },
+ { 'S', "Step in (single instruction)" },
+ { ',', "Page up" },
+ { '.', "Page down" },
+ { '\0', NULL }
+ };
+ return g_source_view_key_help;
+ }
+
+ virtual bool
+ WindowDelegateDraw (Window &window, bool force)
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ Process *process = exe_ctx.GetProcessPtr();
+ Thread *thread = NULL;
+
+ bool update_location = false;
+ if (process)
+ {
+ StateType state = process->GetState();
+ if (StateIsStoppedState(state, true))
+ {
+ // We are stopped, so it is ok to
+ update_location = true;
+ }
+ }
+
+ m_min_x = 1;
+ m_min_y = 1;
+ m_max_x = window.GetMaxX()-1;
+ m_max_y = window.GetMaxY()-1;
+
+ const uint32_t num_visible_lines = NumVisibleLines();
+ StackFrameSP frame_sp;
+ bool set_selected_line_to_pc = false;
+
+
+ if (update_location)
+ {
+
+ const bool process_alive = process ? process->IsAlive() : false;
+ bool thread_changed = false;
+ if (process_alive)
+ {
+ thread = exe_ctx.GetThreadPtr();
+ if (thread)
+ {
+ frame_sp = thread->GetSelectedFrame();
+ auto tid = thread->GetID();
+ thread_changed = tid != m_tid;
+ m_tid = tid;
+ }
+ else
+ {
+ if (m_tid != LLDB_INVALID_THREAD_ID)
+ {
+ thread_changed = true;
+ m_tid = LLDB_INVALID_THREAD_ID;
+ }
+ }
+ }
+ const uint32_t stop_id = process ? process->GetStopID() : 0;
+ const bool stop_id_changed = stop_id != m_stop_id;
+ bool frame_changed = false;
+ m_stop_id = stop_id;
+ if (frame_sp)
+ {
+ m_sc = frame_sp->GetSymbolContext(eSymbolContextEverything);
+ const uint32_t frame_idx = frame_sp->GetFrameIndex();
+ frame_changed = frame_idx != m_frame_idx;
+ m_frame_idx = frame_idx;
+ }
+ else
+ {
+ m_sc.Clear(true);
+ frame_changed = m_frame_idx != UINT32_MAX;
+ m_frame_idx = UINT32_MAX;
+ }
+
+ const bool context_changed = thread_changed || frame_changed || stop_id_changed;
+
+ if (process_alive)
+ {
+ if (m_sc.line_entry.IsValid())
+ {
+ m_pc_line = m_sc.line_entry.line;
+ if (m_pc_line != UINT32_MAX)
+ --m_pc_line; // Convert to zero based line number...
+ // Update the selected line if the stop ID changed...
+ if (context_changed)
+ m_selected_line = m_pc_line;
+
+ if (m_file_sp && m_file_sp->FileSpecMatches(m_sc.line_entry.file))
+ {
+ // Same file, nothing to do, we should either have the
+ // lines or not (source file missing)
+ if (m_selected_line >= m_first_visible_line)
+ {
+ if (m_selected_line >= m_first_visible_line + num_visible_lines)
+ m_first_visible_line = m_selected_line - 10;
+ }
+ else
+ {
+ if (m_selected_line > 10)
+ m_first_visible_line = m_selected_line - 10;
+ else
+ m_first_visible_line = 0;
+ }
+ }
+ else
+ {
+ // File changed, set selected line to the line with the PC
+ m_selected_line = m_pc_line;
+ m_file_sp = m_debugger.GetSourceManager().GetFile(m_sc.line_entry.file);
+ if (m_file_sp)
+ {
+ const size_t num_lines = m_file_sp->GetNumLines();
+ int m_line_width = 1;
+ for (size_t n = num_lines; n >= 10; n = n / 10)
+ ++m_line_width;
+
+ snprintf (m_line_format, sizeof(m_line_format), " %%%iu ", m_line_width);
+ if (num_lines < num_visible_lines || m_selected_line < num_visible_lines)
+ m_first_visible_line = 0;
+ else
+ m_first_visible_line = m_selected_line - 10;
+ }
+ }
+ }
+ else
+ {
+ m_file_sp.reset();
+ }
+
+ if (!m_file_sp || m_file_sp->GetNumLines() == 0)
+ {
+ // Show disassembly
+ bool prefer_file_cache = false;
+ if (m_sc.function)
+ {
+ if (m_disassembly_scope != m_sc.function)
+ {
+ m_disassembly_scope = m_sc.function;
+ m_disassembly_sp = m_sc.function->GetInstructions (exe_ctx, NULL, prefer_file_cache);
+ if (m_disassembly_sp)
+ {
+ set_selected_line_to_pc = true;
+ m_disassembly_range = m_sc.function->GetAddressRange();
+ }
+ else
+ {
+ m_disassembly_range.Clear();
+ }
+ }
+ else
+ {
+ set_selected_line_to_pc = context_changed;
+ }
+ }
+ else if (m_sc.symbol)
+ {
+ if (m_disassembly_scope != m_sc.symbol)
+ {
+ m_disassembly_scope = m_sc.symbol;
+ m_disassembly_sp = m_sc.symbol->GetInstructions (exe_ctx, NULL, prefer_file_cache);
+ if (m_disassembly_sp)
+ {
+ set_selected_line_to_pc = true;
+ m_disassembly_range.GetBaseAddress() = m_sc.symbol->GetAddress();
+ m_disassembly_range.SetByteSize(m_sc.symbol->GetByteSize());
+ }
+ else
+ {
+ m_disassembly_range.Clear();
+ }
+ }
+ else
+ {
+ set_selected_line_to_pc = context_changed;
+ }
+ }
+ }
+ }
+ else
+ {
+ m_pc_line = UINT32_MAX;
+ }
+ }
+
+
+ window.Erase();
+ window.DrawTitleBox ("Sources");
+
+
+ Target *target = exe_ctx.GetTargetPtr();
+ const size_t num_source_lines = GetNumSourceLines();
+ if (num_source_lines > 0)
+ {
+ // Display source
+ BreakpointLines bp_lines;
+ if (target)
+ {
+ BreakpointList &bp_list = target->GetBreakpointList();
+ const size_t num_bps = bp_list.GetSize();
+ for (size_t bp_idx=0; bp_idx<num_bps; ++bp_idx)
+ {
+ BreakpointSP bp_sp = bp_list.GetBreakpointAtIndex(bp_idx);
+ const size_t num_bps_locs = bp_sp->GetNumLocations();
+ for (size_t bp_loc_idx=0; bp_loc_idx<num_bps_locs; ++bp_loc_idx)
+ {
+ BreakpointLocationSP bp_loc_sp = bp_sp->GetLocationAtIndex(bp_loc_idx);
+ LineEntry bp_loc_line_entry;
+ if (bp_loc_sp->GetAddress().CalculateSymbolContextLineEntry (bp_loc_line_entry))
+ {
+ if (m_file_sp->GetFileSpec() == bp_loc_line_entry.file)
+ {
+ bp_lines.insert(bp_loc_line_entry.line);
+ }
+ }
+ }
+ }
+ }
+
+
+ const attr_t selected_highlight_attr = A_REVERSE;
+ const attr_t pc_highlight_attr = COLOR_PAIR(1);
+
+ for (int i=0; i<num_visible_lines; ++i)
+ {
+ const uint32_t curr_line = m_first_visible_line + i;
+ if (curr_line < num_source_lines)
+ {
+ const int line_y = 1+i;
+ window.MoveCursor(1, line_y);
+ const bool is_pc_line = curr_line == m_pc_line;
+ const bool line_is_selected = m_selected_line == curr_line;
+ // Highlight the line as the PC line first, then if the selected line
+ // isn't the same as the PC line, highlight it differently
+ attr_t highlight_attr = 0;
+ attr_t bp_attr = 0;
+ if (is_pc_line)
+ highlight_attr = pc_highlight_attr;
+ else if (line_is_selected)
+ highlight_attr = selected_highlight_attr;
+
+ if (bp_lines.find(curr_line+1) != bp_lines.end())
+ bp_attr = COLOR_PAIR(2);
+
+ if (bp_attr)
+ window.AttributeOn(bp_attr);
+
+ window.Printf (m_line_format, curr_line + 1);
+
+ if (bp_attr)
+ window.AttributeOff(bp_attr);
+
+ window.PutChar(ACS_VLINE);
+ // Mark the line with the PC with a diamond
+ if (is_pc_line)
+ window.PutChar(ACS_DIAMOND);
+ else
+ window.PutChar(' ');
+
+ if (highlight_attr)
+ window.AttributeOn(highlight_attr);
+ const uint32_t line_len = m_file_sp->GetLineLength(curr_line + 1, false);
+ if (line_len > 0)
+ window.PutCString(m_file_sp->PeekLineData(curr_line + 1), line_len);
+
+ if (is_pc_line && frame_sp && frame_sp->GetConcreteFrameIndex() == 0)
+ {
+ StopInfoSP stop_info_sp;
+ if (thread)
+ stop_info_sp = thread->GetStopInfo();
+ if (stop_info_sp)
+ {
+ const char *stop_description = stop_info_sp->GetDescription();
+ if (stop_description && stop_description[0])
+ {
+ size_t stop_description_len = strlen(stop_description);
+ int desc_x = window.GetWidth() - stop_description_len - 16;
+ window.Printf ("%*s", desc_x - window.GetCursorX(), "");
+ //window.MoveCursor(window.GetWidth() - stop_description_len - 15, line_y);
+ window.Printf ("<<< Thread %u: %s ", thread->GetIndexID(), stop_description);
+ }
+ }
+ else
+ {
+ window.Printf ("%*s", window.GetWidth() - window.GetCursorX() - 1, "");
+ }
+ }
+ if (highlight_attr)
+ window.AttributeOff(highlight_attr);
+
+ }
+ else
+ {
+ break;
+ }
+ }
+ }
+ else
+ {
+ size_t num_disassembly_lines = GetNumDisassemblyLines();
+ if (num_disassembly_lines > 0)
+ {
+ // Display disassembly
+ BreakpointAddrs bp_file_addrs;
+ Target *target = exe_ctx.GetTargetPtr();
+ if (target)
+ {
+ BreakpointList &bp_list = target->GetBreakpointList();
+ const size_t num_bps = bp_list.GetSize();
+ for (size_t bp_idx=0; bp_idx<num_bps; ++bp_idx)
+ {
+ BreakpointSP bp_sp = bp_list.GetBreakpointAtIndex(bp_idx);
+ const size_t num_bps_locs = bp_sp->GetNumLocations();
+ for (size_t bp_loc_idx=0; bp_loc_idx<num_bps_locs; ++bp_loc_idx)
+ {
+ BreakpointLocationSP bp_loc_sp = bp_sp->GetLocationAtIndex(bp_loc_idx);
+ LineEntry bp_loc_line_entry;
+ const lldb::addr_t file_addr = bp_loc_sp->GetAddress().GetFileAddress();
+ if (file_addr != LLDB_INVALID_ADDRESS)
+ {
+ if (m_disassembly_range.ContainsFileAddress(file_addr))
+ bp_file_addrs.insert(file_addr);
+ }
+ }
+ }
+ }
+
+
+ const attr_t selected_highlight_attr = A_REVERSE;
+ const attr_t pc_highlight_attr = COLOR_PAIR(1);
+
+ StreamString strm;
+
+ InstructionList &insts = m_disassembly_sp->GetInstructionList();
+ Address pc_address;
+
+ if (frame_sp)
+ pc_address = frame_sp->GetFrameCodeAddress();
+ const uint32_t pc_idx = pc_address.IsValid() ? insts.GetIndexOfInstructionAtAddress (pc_address) : UINT32_MAX;
+ if (set_selected_line_to_pc)
+ {
+ m_selected_line = pc_idx;
+ }
+
+ const uint32_t non_visible_pc_offset = (num_visible_lines / 5);
+ if (m_first_visible_line >= num_disassembly_lines)
+ m_first_visible_line = 0;
+
+ if (pc_idx < num_disassembly_lines)
+ {
+ if (pc_idx < m_first_visible_line ||
+ pc_idx >= m_first_visible_line + num_visible_lines)
+ m_first_visible_line = pc_idx - non_visible_pc_offset;
+ }
+
+ for (size_t i=0; i<num_visible_lines; ++i)
+ {
+ const uint32_t inst_idx = m_first_visible_line + i;
+ Instruction *inst = insts.GetInstructionAtIndex(inst_idx).get();
+ if (!inst)
+ break;
+
+ window.MoveCursor(1, i+1);
+ const bool is_pc_line = frame_sp && inst_idx == pc_idx;
+ const bool line_is_selected = m_selected_line == inst_idx;
+ // Highlight the line as the PC line first, then if the selected line
+ // isn't the same as the PC line, highlight it differently
+ attr_t highlight_attr = 0;
+ attr_t bp_attr = 0;
+ if (is_pc_line)
+ highlight_attr = pc_highlight_attr;
+ else if (line_is_selected)
+ highlight_attr = selected_highlight_attr;
+
+ if (bp_file_addrs.find(inst->GetAddress().GetFileAddress()) != bp_file_addrs.end())
+ bp_attr = COLOR_PAIR(2);
+
+ if (bp_attr)
+ window.AttributeOn(bp_attr);
+
+ window.Printf (" 0x%16.16llx ", inst->GetAddress().GetLoadAddress(target));
+
+ if (bp_attr)
+ window.AttributeOff(bp_attr);
+
+ window.PutChar(ACS_VLINE);
+ // Mark the line with the PC with a diamond
+ if (is_pc_line)
+ window.PutChar(ACS_DIAMOND);
+ else
+ window.PutChar(' ');
+
+ if (highlight_attr)
+ window.AttributeOn(highlight_attr);
+
+ const char *mnemonic = inst->GetMnemonic(&exe_ctx);
+ const char *operands = inst->GetOperands(&exe_ctx);
+ const char *comment = inst->GetComment(&exe_ctx);
+
+ if (mnemonic && mnemonic[0] == '\0')
+ mnemonic = NULL;
+ if (operands && operands[0] == '\0')
+ operands = NULL;
+ if (comment && comment[0] == '\0')
+ comment = NULL;
+
+ strm.Clear();
+
+ if (mnemonic && operands && comment)
+ strm.Printf ("%-8s %-25s ; %s", mnemonic, operands, comment);
+ else if (mnemonic && operands)
+ strm.Printf ("%-8s %s", mnemonic, operands);
+ else if (mnemonic)
+ strm.Printf ("%s", mnemonic);
+
+ int right_pad = 1;
+ window.PutCStringTruncated(strm.GetString().c_str(), right_pad);
+
+ if (is_pc_line && frame_sp && frame_sp->GetConcreteFrameIndex() == 0)
+ {
+ StopInfoSP stop_info_sp;
+ if (thread)
+ stop_info_sp = thread->GetStopInfo();
+ if (stop_info_sp)
+ {
+ const char *stop_description = stop_info_sp->GetDescription();
+ if (stop_description && stop_description[0])
+ {
+ size_t stop_description_len = strlen(stop_description);
+ int desc_x = window.GetWidth() - stop_description_len - 16;
+ window.Printf ("%*s", desc_x - window.GetCursorX(), "");
+ //window.MoveCursor(window.GetWidth() - stop_description_len - 15, line_y);
+ window.Printf ("<<< Thread %u: %s ", thread->GetIndexID(), stop_description);
+ }
+ }
+ else
+ {
+ window.Printf ("%*s", window.GetWidth() - window.GetCursorX() - 1, "");
+ }
+ }
+ if (highlight_attr)
+ window.AttributeOff(highlight_attr);
+ }
+ }
+ }
+ window.DeferredRefresh();
+ return true; // Drawing handled
+ }
+
+ size_t
+ GetNumLines ()
+ {
+ size_t num_lines = GetNumSourceLines();
+ if (num_lines == 0)
+ num_lines = GetNumDisassemblyLines();
+ return num_lines;
+ }
+
+ size_t
+ GetNumSourceLines () const
+ {
+ if (m_file_sp)
+ return m_file_sp->GetNumLines();
+ return 0;
+ }
+ size_t
+ GetNumDisassemblyLines () const
+ {
+ if (m_disassembly_sp)
+ return m_disassembly_sp->GetInstructionList().GetSize();
+ return 0;
+ }
+
+ virtual HandleCharResult
+ WindowDelegateHandleChar (Window &window, int c)
+ {
+ const uint32_t num_visible_lines = NumVisibleLines();
+ const size_t num_lines = GetNumLines ();
+
+ switch (c)
+ {
+ case ',':
+ case KEY_PPAGE:
+ // Page up key
+ if (m_first_visible_line > num_visible_lines)
+ m_first_visible_line -= num_visible_lines;
+ else
+ m_first_visible_line = 0;
+ m_selected_line = m_first_visible_line;
+ return eKeyHandled;
+
+ case '.':
+ case KEY_NPAGE:
+ // Page down key
+ {
+ if (m_first_visible_line + num_visible_lines < num_lines)
+ m_first_visible_line += num_visible_lines;
+ else if (num_lines < num_visible_lines)
+ m_first_visible_line = 0;
+ else
+ m_first_visible_line = num_lines - num_visible_lines;
+ m_selected_line = m_first_visible_line;
+ }
+ return eKeyHandled;
+
+ case KEY_UP:
+ if (m_selected_line > 0)
+ {
+ m_selected_line--;
+ if (m_first_visible_line > m_selected_line)
+ m_first_visible_line = m_selected_line;
+ }
+ return eKeyHandled;
+
+ case KEY_DOWN:
+ if (m_selected_line + 1 < num_lines)
+ {
+ m_selected_line++;
+ if (m_first_visible_line + num_visible_lines < m_selected_line)
+ m_first_visible_line++;
+ }
+ return eKeyHandled;
+
+ case '\r':
+ case '\n':
+ case KEY_ENTER:
+ // Set a breakpoint and run to the line using a one shot breakpoint
+ if (GetNumSourceLines() > 0)
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasProcessScope() && exe_ctx.GetProcessRef().IsAlive())
+ {
+ BreakpointSP bp_sp = exe_ctx.GetTargetRef().CreateBreakpoint (NULL, // Don't limit the breakpoint to certain modules
+ m_file_sp->GetFileSpec(), // Source file
+ m_selected_line + 1, // Source line number (m_selected_line is zero based)
+ eLazyBoolCalculate, // Check inlines using global setting
+ eLazyBoolCalculate, // Skip prologue using global setting,
+ false, // internal
+ false); // request_hardware
+ // Make breakpoint one shot
+ bp_sp->GetOptions()->SetOneShot(true);
+ exe_ctx.GetProcessRef().Resume();
+ }
+ }
+ else if (m_selected_line < GetNumDisassemblyLines())
+ {
+ const Instruction *inst = m_disassembly_sp->GetInstructionList().GetInstructionAtIndex(m_selected_line).get();
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasTargetScope())
+ {
+ Address addr = inst->GetAddress();
+ BreakpointSP bp_sp = exe_ctx.GetTargetRef().CreateBreakpoint (addr, // lldb_private::Address
+ false, // internal
+ false); // request_hardware
+ // Make breakpoint one shot
+ bp_sp->GetOptions()->SetOneShot(true);
+ exe_ctx.GetProcessRef().Resume();
+ }
+ }
+ return eKeyHandled;
+
+ case 'b': // 'b' == toggle breakpoint on currently selected line
+ if (m_selected_line < GetNumSourceLines())
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasTargetScope())
+ {
+ BreakpointSP bp_sp = exe_ctx.GetTargetRef().CreateBreakpoint (NULL, // Don't limit the breakpoint to certain modules
+ m_file_sp->GetFileSpec(), // Source file
+ m_selected_line + 1, // Source line number (m_selected_line is zero based)
+ eLazyBoolCalculate, // Check inlines using global setting
+ eLazyBoolCalculate, // Skip prologue using global setting,
+ false, // internal
+ false); // request_hardware
+ }
+ }
+ else if (m_selected_line < GetNumDisassemblyLines())
+ {
+ const Instruction *inst = m_disassembly_sp->GetInstructionList().GetInstructionAtIndex(m_selected_line).get();
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasTargetScope())
+ {
+ Address addr = inst->GetAddress();
+ BreakpointSP bp_sp = exe_ctx.GetTargetRef().CreateBreakpoint (addr, // lldb_private::Address
+ false, // internal
+ false); // request_hardware
+ }
+ }
+ return eKeyHandled;
+
+ case 'd': // 'd' == detach and let run
+ case 'D': // 'D' == detach and keep stopped
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasProcessScope())
+ exe_ctx.GetProcessRef().Detach(c == 'D');
+ }
+ return eKeyHandled;
+
+ case 'k':
+ // 'k' == kill
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasProcessScope())
+ exe_ctx.GetProcessRef().Destroy();
+ }
+ return eKeyHandled;
+
+ case 'c':
+ // 'c' == continue
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasProcessScope())
+ exe_ctx.GetProcessRef().Resume();
+ }
+ return eKeyHandled;
+
+ case 'o':
+ // 'o' == step out
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasThreadScope() && StateIsStoppedState (exe_ctx.GetProcessRef().GetState(), true))
+ {
+ exe_ctx.GetThreadRef().StepOut();
+ }
+ }
+ return eKeyHandled;
+ case 'n': // 'n' == step over
+ case 'N': // 'N' == step over instruction
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasThreadScope() && StateIsStoppedState (exe_ctx.GetProcessRef().GetState(), true))
+ {
+ bool source_step = (c == 'n');
+ exe_ctx.GetThreadRef().StepOver(source_step);
+ }
+ }
+ return eKeyHandled;
+ case 's': // 's' == step into
+ case 'S': // 'S' == step into instruction
+ {
+ ExecutionContext exe_ctx = m_debugger.GetCommandInterpreter().GetExecutionContext();
+ if (exe_ctx.HasThreadScope() && StateIsStoppedState (exe_ctx.GetProcessRef().GetState(), true))
+ {
+ bool source_step = (c == 's');
+ bool avoid_code_without_debug_info = true;
+ exe_ctx.GetThreadRef().StepIn(source_step, avoid_code_without_debug_info);
+ }
+ }
+ return eKeyHandled;
+
+ case 'h':
+ window.CreateHelpSubwindow ();
+ return eKeyHandled;
+
+ default:
+ break;
+ }
+ return eKeyNotHandled;
+ }
+
+protected:
+ typedef std::set<uint32_t> BreakpointLines;
+ typedef std::set<lldb::addr_t> BreakpointAddrs;
+
+ Debugger &m_debugger;
+ SymbolContext m_sc;
+ SourceManager::FileSP m_file_sp;
+ SymbolContextScope *m_disassembly_scope;
+ lldb::DisassemblerSP m_disassembly_sp;
+ AddressRange m_disassembly_range;
+ lldb::user_id_t m_tid;
+ char m_line_format[8];
+ int m_line_width;
+ uint32_t m_selected_line; // The selected line
+ uint32_t m_pc_line; // The line with the PC
+ uint32_t m_stop_id;
+ uint32_t m_frame_idx;
+ int m_first_visible_line;
+ int m_min_x;
+ int m_min_y;
+ int m_max_x;
+ int m_max_y;
+
+};
+
+DisplayOptions ValueObjectListDelegate::g_options = { true };
+
+IOHandlerCursesGUI::IOHandlerCursesGUI (Debugger &debugger) :
+ IOHandler (debugger)
+{
+}
+
+void
+IOHandlerCursesGUI::Activate ()
+{
+ IOHandler::Activate();
+ if (!m_app_ap)
+ {
+ m_app_ap.reset (new Application (GetInputFILE(), GetOutputFILE()));
+
+
+ // This is both a window and a menu delegate
+ std::shared_ptr<ApplicationDelegate> app_delegate_sp(new ApplicationDelegate(*m_app_ap, m_debugger));
+
+ MenuDelegateSP app_menu_delegate_sp = std::static_pointer_cast<MenuDelegate>(app_delegate_sp);
+ MenuSP lldb_menu_sp(new Menu("LLDB" , "F1", KEY_F(1), ApplicationDelegate::eMenuID_LLDB));
+ MenuSP exit_menuitem_sp(new Menu("Exit", NULL, 'x', ApplicationDelegate::eMenuID_LLDBExit));
+ exit_menuitem_sp->SetCannedResult(MenuActionResult::Quit);
+ lldb_menu_sp->AddSubmenu (MenuSP (new Menu("About LLDB", NULL, 'a', ApplicationDelegate::eMenuID_LLDBAbout)));
+ lldb_menu_sp->AddSubmenu (MenuSP (new Menu(Menu::Type::Separator)));
+ lldb_menu_sp->AddSubmenu (exit_menuitem_sp);
+
+ MenuSP target_menu_sp(new Menu("Target" ,"F2", KEY_F(2), ApplicationDelegate::eMenuID_Target));
+ target_menu_sp->AddSubmenu (MenuSP (new Menu("Create", NULL, 'c', ApplicationDelegate::eMenuID_TargetCreate)));
+ target_menu_sp->AddSubmenu (MenuSP (new Menu("Delete", NULL, 'd', ApplicationDelegate::eMenuID_TargetDelete)));
+
+ MenuSP process_menu_sp(new Menu("Process", "F3", KEY_F(3), ApplicationDelegate::eMenuID_Process));
+ process_menu_sp->AddSubmenu (MenuSP (new Menu("Attach" , NULL, 'a', ApplicationDelegate::eMenuID_ProcessAttach)));
+ process_menu_sp->AddSubmenu (MenuSP (new Menu("Detach" , NULL, 'd', ApplicationDelegate::eMenuID_ProcessDetach)));
+ process_menu_sp->AddSubmenu (MenuSP (new Menu("Launch" , NULL, 'l', ApplicationDelegate::eMenuID_ProcessLaunch)));
+ process_menu_sp->AddSubmenu (MenuSP (new Menu(Menu::Type::Separator)));
+ process_menu_sp->AddSubmenu (MenuSP (new Menu("Continue", NULL, 'c', ApplicationDelegate::eMenuID_ProcessContinue)));
+ process_menu_sp->AddSubmenu (MenuSP (new Menu("Halt" , NULL, 'h', ApplicationDelegate::eMenuID_ProcessHalt)));
+ process_menu_sp->AddSubmenu (MenuSP (new Menu("Kill" , NULL, 'k', ApplicationDelegate::eMenuID_ProcessKill)));
+
+ MenuSP thread_menu_sp(new Menu("Thread", "F4", KEY_F(4), ApplicationDelegate::eMenuID_Thread));
+ thread_menu_sp->AddSubmenu (MenuSP (new Menu("Step In" , NULL, 'i', ApplicationDelegate::eMenuID_ThreadStepIn)));
+ thread_menu_sp->AddSubmenu (MenuSP (new Menu("Step Over", NULL, 'v', ApplicationDelegate::eMenuID_ThreadStepOver)));
+ thread_menu_sp->AddSubmenu (MenuSP (new Menu("Step Out" , NULL, 'o', ApplicationDelegate::eMenuID_ThreadStepOut)));
+
+ MenuSP view_menu_sp(new Menu("View", "F5", KEY_F(5), ApplicationDelegate::eMenuID_View));
+ view_menu_sp->AddSubmenu (MenuSP (new Menu("Backtrace", NULL, 'b', ApplicationDelegate::eMenuID_ViewBacktrace)));
+ view_menu_sp->AddSubmenu (MenuSP (new Menu("Registers", NULL, 'r', ApplicationDelegate::eMenuID_ViewRegisters)));
+ view_menu_sp->AddSubmenu (MenuSP (new Menu("Source" , NULL, 's', ApplicationDelegate::eMenuID_ViewSource)));
+ view_menu_sp->AddSubmenu (MenuSP (new Menu("Variables", NULL, 'v', ApplicationDelegate::eMenuID_ViewVariables)));
+
+ MenuSP help_menu_sp(new Menu("Help", "F6", KEY_F(6), ApplicationDelegate::eMenuID_Help));
+ help_menu_sp->AddSubmenu (MenuSP (new Menu("GUI Help", NULL, 'g', ApplicationDelegate::eMenuID_HelpGUIHelp)));
+
+ m_app_ap->Initialize();
+ WindowSP &main_window_sp = m_app_ap->GetMainWindow();
+
+ MenuSP menubar_sp(new Menu(Menu::Type::Bar));
+ menubar_sp->AddSubmenu (lldb_menu_sp);
+ menubar_sp->AddSubmenu (target_menu_sp);
+ menubar_sp->AddSubmenu (process_menu_sp);
+ menubar_sp->AddSubmenu (thread_menu_sp);
+ menubar_sp->AddSubmenu (view_menu_sp);
+ menubar_sp->AddSubmenu (help_menu_sp);
+ menubar_sp->SetDelegate(app_menu_delegate_sp);
+
+ Rect content_bounds = main_window_sp->GetFrame();
+ Rect menubar_bounds = content_bounds.MakeMenuBar();
+ Rect status_bounds = content_bounds.MakeStatusBar();
+ Rect source_bounds;
+ Rect variables_bounds;
+ Rect threads_bounds;
+ Rect source_variables_bounds;
+ content_bounds.VerticalSplitPercentage(0.80, source_variables_bounds, threads_bounds);
+ source_variables_bounds.HorizontalSplitPercentage(0.70, source_bounds, variables_bounds);
+
+ WindowSP menubar_window_sp = main_window_sp->CreateSubWindow("Menubar", menubar_bounds, false);
+ // Let the menubar get keys if the active window doesn't handle the
+ // keys that are typed so it can respond to menubar key presses.
+ menubar_window_sp->SetCanBeActive(false); // Don't let the menubar become the active window
+ menubar_window_sp->SetDelegate(menubar_sp);
+
+ WindowSP source_window_sp (main_window_sp->CreateSubWindow("Source",
+ source_bounds,
+ true));
+ WindowSP variables_window_sp (main_window_sp->CreateSubWindow("Variables",
+ variables_bounds,
+ false));
+ WindowSP threads_window_sp (main_window_sp->CreateSubWindow("Threads",
+ threads_bounds,
+ false));
+ WindowSP status_window_sp (main_window_sp->CreateSubWindow("Status",
+ status_bounds,
+ false));
+ status_window_sp->SetCanBeActive(false); // Don't let the status bar become the active window
+ main_window_sp->SetDelegate (std::static_pointer_cast<WindowDelegate>(app_delegate_sp));
+ source_window_sp->SetDelegate (WindowDelegateSP(new SourceFileWindowDelegate(m_debugger)));
+ variables_window_sp->SetDelegate (WindowDelegateSP(new FrameVariablesWindowDelegate(m_debugger)));
+ TreeDelegateSP thread_delegate_sp (new ThreadTreeDelegate(m_debugger));
+ threads_window_sp->SetDelegate (WindowDelegateSP(new TreeWindowDelegate(m_debugger, thread_delegate_sp)));
+ status_window_sp->SetDelegate (WindowDelegateSP(new StatusBarWindowDelegate(m_debugger)));
+
+ // Show the main help window once the first time the curses GUI is launched
+ static bool g_showed_help = false;
+ if (!g_showed_help)
+ {
+ g_showed_help = true;
+ main_window_sp->CreateHelpSubwindow();
+ }
+
+ init_pair (1, COLOR_WHITE , COLOR_BLUE );
+ init_pair (2, COLOR_BLACK , COLOR_WHITE );
+ init_pair (3, COLOR_MAGENTA , COLOR_WHITE );
+ init_pair (4, COLOR_MAGENTA , COLOR_BLACK );
+ init_pair (5, COLOR_RED , COLOR_BLACK );
+
+ }
+}
+
+void
+IOHandlerCursesGUI::Deactivate ()
+{
+ m_app_ap->Terminate();
+}
+
+void
+IOHandlerCursesGUI::Run ()
+{
+ m_app_ap->Run(m_debugger);
+ SetIsDone(true);
+}
+
+
+IOHandlerCursesGUI::~IOHandlerCursesGUI ()
+{
+
+}
+
+void
+IOHandlerCursesGUI::Hide ()
+{
+}
+
+
+void
+IOHandlerCursesGUI::Refresh ()
+{
+}
+
+
+void
+IOHandlerCursesGUI::Interrupt ()
+{
+}
+
+
+void
+IOHandlerCursesGUI::GotEOF()
+{
+}
+
+#endif // #ifndef LLDB_DISABLE_CURSES \ No newline at end of file
OpenPOWER on IntegriCloud