4689 lines
		
	
	
		
			146 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			4689 lines
		
	
	
		
			146 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===-- IOHandler.cpp -------------------------------------------*- C++ -*-===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // License. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| 
 | |
| #include "lldb/Core/IOHandler.h"
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| 
 | |
| // C Includes
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| #ifndef LLDB_DISABLE_CURSES
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| #include <curses.h>
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| #include <panel.h>
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| #endif
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| 
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| // C++ Includes
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| #if defined(__APPLE__)
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| #include <deque>
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| #endif
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| #include <string>
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| 
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| // Other libraries and framework includes
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| // Project includes
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| #include "lldb/Core/Debugger.h"
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| #include "lldb/Core/StreamFile.h"
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| #include "lldb/Host/File.h"            // for File
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| #include "lldb/Host/Predicate.h"       // for Predicate, ::eBroad...
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| #include "lldb/Utility/Status.h"       // for Status
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| #include "lldb/Utility/StreamString.h" // for StreamString
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| #include "lldb/Utility/StringList.h"   // for StringList
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| #include "lldb/lldb-forward.h"         // for StreamFileSP
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| 
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| #ifndef LLDB_DISABLE_LIBEDIT
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| #include "lldb/Host/Editline.h"
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| #endif
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| #include "lldb/Interpreter/CommandCompletions.h"
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| #include "lldb/Interpreter/CommandInterpreter.h"
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| #ifndef LLDB_DISABLE_CURSES
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| #include "lldb/Breakpoint/BreakpointLocation.h"
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| #include "lldb/Core/Module.h"
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| #include "lldb/Core/State.h"
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| #include "lldb/Core/ValueObject.h"
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| #include "lldb/Core/ValueObjectRegister.h"
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| #include "lldb/Symbol/Block.h"
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| #include "lldb/Symbol/Function.h"
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| #include "lldb/Symbol/Symbol.h"
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| #include "lldb/Symbol/VariableList.h"
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| #include "lldb/Target/Process.h"
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| #include "lldb/Target/RegisterContext.h"
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| #include "lldb/Target/StackFrame.h"
 | |
| #include "lldb/Target/StopInfo.h"
 | |
| #include "lldb/Target/Target.h"
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| #include "lldb/Target/Thread.h"
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| #endif
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| 
 | |
| #include "llvm/ADT/StringRef.h" // for StringRef
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| 
 | |
| #ifdef _MSC_VER
 | |
| #include "lldb/Host/windows/windows.h"
 | |
| #endif
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| 
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| #include <memory> // for shared_ptr
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| #include <mutex>  // for recursive_mutex
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| 
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| #include <assert.h>    // for assert
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| #include <ctype.h>     // for isspace
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| #include <errno.h>     // for EINTR, errno
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| #include <stdint.h>    // for uint32_t, UINT32_MAX
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| #include <stdio.h>     // for size_t, fprintf, feof
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| #include <string.h>    // for strlen
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| #include <type_traits> // for move
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| 
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| using namespace lldb;
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| using namespace lldb_private;
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| 
 | |
| IOHandler::IOHandler(Debugger &debugger, IOHandler::Type type)
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|     : IOHandler(debugger, type,
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|                 StreamFileSP(), // Adopt STDIN from top input reader
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|                 StreamFileSP(), // Adopt STDOUT from top input reader
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|                 StreamFileSP(), // Adopt STDERR from top input reader
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|                 0)              // Flags
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| {}
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| 
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| IOHandler::IOHandler(Debugger &debugger, IOHandler::Type type,
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|                      const lldb::StreamFileSP &input_sp,
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|                      const lldb::StreamFileSP &output_sp,
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|                      const lldb::StreamFileSP &error_sp, uint32_t flags)
 | |
|     : m_debugger(debugger), m_input_sp(input_sp), m_output_sp(output_sp),
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|       m_error_sp(error_sp), m_popped(false), m_flags(flags), m_type(type),
 | |
|       m_user_data(nullptr), m_done(false), m_active(false) {
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|   // If any files are not specified, then adopt them from the top input reader.
 | |
|   if (!m_input_sp || !m_output_sp || !m_error_sp)
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|     debugger.AdoptTopIOHandlerFilesIfInvalid(m_input_sp, m_output_sp,
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|                                              m_error_sp);
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| }
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| 
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| IOHandler::~IOHandler() = default;
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| 
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| int IOHandler::GetInputFD() {
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|   return (m_input_sp ? m_input_sp->GetFile().GetDescriptor() : -1);
 | |
| }
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| 
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| int IOHandler::GetOutputFD() {
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|   return (m_output_sp ? m_output_sp->GetFile().GetDescriptor() : -1);
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| }
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| 
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| int IOHandler::GetErrorFD() {
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|   return (m_error_sp ? m_error_sp->GetFile().GetDescriptor() : -1);
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| }
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| 
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| FILE *IOHandler::GetInputFILE() {
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|   return (m_input_sp ? m_input_sp->GetFile().GetStream() : nullptr);
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| }
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| 
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| FILE *IOHandler::GetOutputFILE() {
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|   return (m_output_sp ? m_output_sp->GetFile().GetStream() : nullptr);
 | |
| }
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| 
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| FILE *IOHandler::GetErrorFILE() {
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|   return (m_error_sp ? m_error_sp->GetFile().GetStream() : nullptr);
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| }
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| 
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| StreamFileSP &IOHandler::GetInputStreamFile() { return m_input_sp; }
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| 
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| StreamFileSP &IOHandler::GetOutputStreamFile() { return m_output_sp; }
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| 
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| StreamFileSP &IOHandler::GetErrorStreamFile() { return m_error_sp; }
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| 
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| bool IOHandler::GetIsInteractive() {
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|   return GetInputStreamFile()->GetFile().GetIsInteractive();
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| }
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| 
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| bool IOHandler::GetIsRealTerminal() {
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|   return GetInputStreamFile()->GetFile().GetIsRealTerminal();
 | |
| }
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| 
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| void IOHandler::SetPopped(bool b) { m_popped.SetValue(b, eBroadcastOnChange); }
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| 
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| void IOHandler::WaitForPop() { m_popped.WaitForValueEqualTo(true); }
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| 
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| void IOHandlerStack::PrintAsync(Stream *stream, const char *s, size_t len) {
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|   if (stream) {
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|     std::lock_guard<std::recursive_mutex> guard(m_mutex);
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|     if (m_top)
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|       m_top->PrintAsync(stream, s, len);
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|   }
 | |
| }
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| 
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| IOHandlerConfirm::IOHandlerConfirm(Debugger &debugger, llvm::StringRef prompt,
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|                                    bool default_response)
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|     : IOHandlerEditline(
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|           debugger, IOHandler::Type::Confirm,
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|           nullptr, // nullptr editline_name means no history loaded/saved
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|           llvm::StringRef(), // No prompt
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|           llvm::StringRef(), // No continuation prompt
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|           false,             // Multi-line
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|           false, // Don't colorize the prompt (i.e. the confirm message.)
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|           0, *this),
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|       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());
 | |
| }
 | |
| 
 | |
| IOHandlerConfirm::~IOHandlerConfirm() = default;
 | |
| 
 | |
| int IOHandlerConfirm::IOHandlerComplete(IOHandler &io_handler,
 | |
|                                         const char *current_line,
 | |
|                                         const char *cursor,
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|                                         const char *last_char,
 | |
|                                         int skip_first_n_matches,
 | |
|                                         int max_matches, StringList &matches) {
 | |
|   if (current_line == cursor) {
 | |
|     if (m_default_response) {
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|       matches.AppendString("y");
 | |
|     } else {
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|       matches.AppendString("n");
 | |
|     }
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|   }
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|   return matches.GetSize();
 | |
| }
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| 
 | |
| void IOHandlerConfirm::IOHandlerInputComplete(IOHandler &io_handler,
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|                                               std::string &line) {
 | |
|   if (line.empty()) {
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|     // User just hit enter, set the response to the default
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|     m_user_response = m_default_response;
 | |
|     io_handler.SetIsDone(true);
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|     return;
 | |
|   }
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| 
 | |
|   if (line.size() == 1) {
 | |
|     switch (line[0]) {
 | |
|     case 'y':
 | |
|     case 'Y':
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|       m_user_response = true;
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|       io_handler.SetIsDone(true);
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|       return;
 | |
|     case 'n':
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|     case 'N':
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|       m_user_response = false;
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|       io_handler.SetIsDone(true);
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|       return;
 | |
|     default:
 | |
|       break;
 | |
|     }
 | |
|   }
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| 
 | |
|   if (line == "yes" || line == "YES" || line == "Yes") {
 | |
|     m_user_response = true;
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|     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,
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|                                          const char *current_line,
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|                                          const char *cursor,
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|                                          const char *last_char,
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|                                          int skip_first_n_matches,
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|                                          int max_matches, StringList &matches) {
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|   switch (m_completion) {
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|   case Completion::None:
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|     break;
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| 
 | |
|   case Completion::LLDBCommand:
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|     return io_handler.GetDebugger().GetCommandInterpreter().HandleCompletion(
 | |
|         current_line, cursor, last_char, skip_first_n_matches, max_matches,
 | |
|         matches);
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| 
 | |
|   case Completion::Expression: {
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|     bool word_complete = false;
 | |
|     const char *word_start = cursor;
 | |
|     if (cursor > current_line)
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|       --word_start;
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|     while (word_start > current_line && !isspace(*word_start))
 | |
|       --word_start;
 | |
|     CommandCompletions::InvokeCommonCompletionCallbacks(
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|         io_handler.GetDebugger().GetCommandInterpreter(),
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|         CommandCompletions::eVariablePathCompletion, word_start,
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|         skip_first_n_matches, max_matches, nullptr, word_complete, matches);
 | |
| 
 | |
|     size_t num_matches = matches.GetSize();
 | |
|     if (num_matches > 0) {
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|       std::string common_prefix;
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|       matches.LongestCommonPrefix(common_prefix);
 | |
|       const size_t partial_name_len = strlen(word_start);
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| 
 | |
|       // If we matched a unique single command, add a space...
 | |
|       // Only do this if the completer told us this was a complete word,
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|       // however...
 | |
|       if (num_matches == 1 && word_complete) {
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|         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, IOHandler::Type type,
 | |
|     const char *editline_name, // Used for saving history files
 | |
|     llvm::StringRef prompt, llvm::StringRef continuation_prompt,
 | |
|     bool multi_line, bool color_prompts, uint32_t line_number_start,
 | |
|     IOHandlerDelegate &delegate)
 | |
|     : IOHandlerEditline(debugger, type,
 | |
|                         StreamFileSP(), // Inherit input from top input reader
 | |
|                         StreamFileSP(), // Inherit output from top input reader
 | |
|                         StreamFileSP(), // Inherit error from top input reader
 | |
|                         0,              // Flags
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|                         editline_name,  // Used for saving history files
 | |
|                         prompt, continuation_prompt, multi_line, color_prompts,
 | |
|                         line_number_start, delegate) {}
 | |
| 
 | |
| IOHandlerEditline::IOHandlerEditline(
 | |
|     Debugger &debugger, IOHandler::Type type,
 | |
|     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
 | |
|     llvm::StringRef prompt, llvm::StringRef continuation_prompt,
 | |
|     bool multi_line, bool color_prompts, uint32_t line_number_start,
 | |
|     IOHandlerDelegate &delegate)
 | |
|     : IOHandler(debugger, type, input_sp, output_sp, error_sp, flags),
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|       m_editline_ap(),
 | |
| #endif
 | |
|       m_delegate(delegate), m_prompt(), m_continuation_prompt(),
 | |
|       m_current_lines_ptr(nullptr), m_base_line_number(line_number_start),
 | |
|       m_curr_line_idx(UINT32_MAX), m_multi_line(multi_line),
 | |
|       m_color_prompts(color_prompts), m_interrupt_exits(true),
 | |
|       m_editing(false) {
 | |
|   SetPrompt(prompt);
 | |
| 
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|   bool use_editline = false;
 | |
| 
 | |
|   use_editline = m_input_sp->GetFile().GetIsRealTerminal();
 | |
| 
 | |
|   if (use_editline) {
 | |
|     m_editline_ap.reset(new Editline(editline_name, GetInputFILE(),
 | |
|                                      GetOutputFILE(), GetErrorFILE(),
 | |
|                                      m_color_prompts));
 | |
|     m_editline_ap->SetIsInputCompleteCallback(IsInputCompleteCallback, this);
 | |
|     m_editline_ap->SetAutoCompleteCallback(AutoCompleteCallback, this);
 | |
|     // See if the delegate supports fixing indentation
 | |
|     const char *indent_chars = delegate.IOHandlerGetFixIndentationCharacters();
 | |
|     if (indent_chars) {
 | |
|       // The delegate does support indentation, hook it up so when any
 | |
|       // indentation
 | |
|       // character is typed, the delegate gets a chance to fix it
 | |
|       m_editline_ap->SetFixIndentationCallback(FixIndentationCallback, this,
 | |
|                                                indent_chars);
 | |
|     }
 | |
|   }
 | |
| #endif
 | |
|   SetBaseLineNumber(m_base_line_number);
 | |
|   SetPrompt(prompt);
 | |
|   SetContinuationPrompt(continuation_prompt);
 | |
| }
 | |
| 
 | |
| IOHandlerEditline::~IOHandlerEditline() {
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|   m_editline_ap.reset();
 | |
| #endif
 | |
| }
 | |
| 
 | |
| void IOHandlerEditline::Activate() {
 | |
|   IOHandler::Activate();
 | |
|   m_delegate.IOHandlerActivated(*this);
 | |
| }
 | |
| 
 | |
| void IOHandlerEditline::Deactivate() {
 | |
|   IOHandler::Deactivate();
 | |
|   m_delegate.IOHandlerDeactivated(*this);
 | |
| }
 | |
| 
 | |
| bool IOHandlerEditline::GetLine(std::string &line, bool &interrupted) {
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|   if (m_editline_ap) {
 | |
|     return m_editline_ap->GetLine(line, interrupted);
 | |
|   } else {
 | |
| #endif
 | |
|     line.clear();
 | |
| 
 | |
|     FILE *in = GetInputFILE();
 | |
|     if (in) {
 | |
|       if (GetIsInteractive()) {
 | |
|         const char *prompt = nullptr;
 | |
| 
 | |
|         if (m_multi_line && m_curr_line_idx > 0)
 | |
|           prompt = GetContinuationPrompt();
 | |
| 
 | |
|         if (prompt == nullptr)
 | |
|           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;
 | |
|       m_editing = true;
 | |
|       while (!done) {
 | |
|         if (fgets(buffer, sizeof(buffer), in) == nullptr) {
 | |
|           const int saved_errno = errno;
 | |
|           if (feof(in))
 | |
|             done = true;
 | |
|           else if (ferror(in)) {
 | |
|             if (saved_errno != EINTR)
 | |
|               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);
 | |
|         }
 | |
|       }
 | |
|       m_editing = false;
 | |
|       // 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;
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|   }
 | |
| #endif
 | |
| }
 | |
| 
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
| bool IOHandlerEditline::IsInputCompleteCallback(Editline *editline,
 | |
|                                                 StringList &lines,
 | |
|                                                 void *baton) {
 | |
|   IOHandlerEditline *editline_reader = (IOHandlerEditline *)baton;
 | |
|   return editline_reader->m_delegate.IOHandlerIsInputComplete(*editline_reader,
 | |
|                                                               lines);
 | |
| }
 | |
| 
 | |
| int IOHandlerEditline::FixIndentationCallback(Editline *editline,
 | |
|                                               const StringList &lines,
 | |
|                                               int cursor_position,
 | |
|                                               void *baton) {
 | |
|   IOHandlerEditline *editline_reader = (IOHandlerEditline *)baton;
 | |
|   return editline_reader->m_delegate.IOHandlerFixIndentation(
 | |
|       *editline_reader, lines, cursor_position);
 | |
| }
 | |
| 
 | |
| 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;
 | |
| }
 | |
| #endif
 | |
| 
 | |
| const char *IOHandlerEditline::GetPrompt() {
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|   if (m_editline_ap) {
 | |
|     return m_editline_ap->GetPrompt();
 | |
|   } else {
 | |
| #endif
 | |
|     if (m_prompt.empty())
 | |
|       return nullptr;
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|   }
 | |
| #endif
 | |
|   return m_prompt.c_str();
 | |
| }
 | |
| 
 | |
| bool IOHandlerEditline::SetPrompt(llvm::StringRef prompt) {
 | |
|   m_prompt = prompt;
 | |
| 
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|   if (m_editline_ap)
 | |
|     m_editline_ap->SetPrompt(m_prompt.empty() ? nullptr : m_prompt.c_str());
 | |
| #endif
 | |
|   return true;
 | |
| }
 | |
| 
 | |
| const char *IOHandlerEditline::GetContinuationPrompt() {
 | |
|   return (m_continuation_prompt.empty() ? nullptr
 | |
|                                         : m_continuation_prompt.c_str());
 | |
| }
 | |
| 
 | |
| void IOHandlerEditline::SetContinuationPrompt(llvm::StringRef prompt) {
 | |
|   m_continuation_prompt = prompt;
 | |
| 
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|   if (m_editline_ap)
 | |
|     m_editline_ap->SetContinuationPrompt(m_continuation_prompt.empty()
 | |
|                                              ? nullptr
 | |
|                                              : m_continuation_prompt.c_str());
 | |
| #endif
 | |
| }
 | |
| 
 | |
| void IOHandlerEditline::SetBaseLineNumber(uint32_t line) {
 | |
|   m_base_line_number = line;
 | |
| }
 | |
| 
 | |
| uint32_t IOHandlerEditline::GetCurrentLineIndex() const {
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|   if (m_editline_ap)
 | |
|     return m_editline_ap->GetCurrentLine();
 | |
| #endif
 | |
|   return m_curr_line_idx;
 | |
| }
 | |
| 
 | |
| bool IOHandlerEditline::GetLines(StringList &lines, bool &interrupted) {
 | |
|   m_current_lines_ptr = &lines;
 | |
| 
 | |
|   bool success = false;
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|   if (m_editline_ap) {
 | |
|     return m_editline_ap->GetLines(m_base_line_number, lines, interrupted);
 | |
|   } else {
 | |
| #endif
 | |
|     bool done = false;
 | |
|     Status error;
 | |
| 
 | |
|     while (!done) {
 | |
|       // Show line numbers if we are asked to
 | |
|       std::string line;
 | |
|       if (m_base_line_number > 0 && GetIsInteractive()) {
 | |
|         FILE *out = GetOutputFILE();
 | |
|         if (out)
 | |
|           ::fprintf(out, "%u%s", m_base_line_number + (uint32_t)lines.GetSize(),
 | |
|                     GetPrompt() == nullptr ? " " : "");
 | |
|       }
 | |
| 
 | |
|       m_curr_line_idx = lines.GetSize();
 | |
| 
 | |
|       bool interrupted = false;
 | |
|       if (GetLine(line, interrupted) && !interrupted) {
 | |
|         lines.AppendString(line);
 | |
|         done = m_delegate.IOHandlerIsInputComplete(*this, lines);
 | |
|       } else {
 | |
|         done = true;
 | |
|       }
 | |
|     }
 | |
|     success = lines.GetSize() > 0;
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|   }
 | |
| #endif
 | |
|   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()) {
 | |
|     bool interrupted = false;
 | |
|     if (m_multi_line) {
 | |
|       StringList lines;
 | |
|       if (GetLines(lines, interrupted)) {
 | |
|         if (interrupted) {
 | |
|           m_done = m_interrupt_exits;
 | |
|           m_delegate.IOHandlerInputInterrupted(*this, line);
 | |
| 
 | |
|         } else {
 | |
|           line = lines.CopyList();
 | |
|           m_delegate.IOHandlerInputComplete(*this, line);
 | |
|         }
 | |
|       } else {
 | |
|         m_done = true;
 | |
|       }
 | |
|     } else {
 | |
|       if (GetLine(line, interrupted)) {
 | |
|         if (interrupted)
 | |
|           m_delegate.IOHandlerInputInterrupted(*this, line);
 | |
|         else
 | |
|           m_delegate.IOHandlerInputComplete(*this, line);
 | |
|       } else {
 | |
|         m_done = true;
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| }
 | |
| 
 | |
| void IOHandlerEditline::Cancel() {
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|   if (m_editline_ap)
 | |
|     m_editline_ap->Cancel();
 | |
| #endif
 | |
| }
 | |
| 
 | |
| bool IOHandlerEditline::Interrupt() {
 | |
|   // Let the delgate handle it first
 | |
|   if (m_delegate.IOHandlerInterrupt(*this))
 | |
|     return true;
 | |
| 
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|   if (m_editline_ap)
 | |
|     return m_editline_ap->Interrupt();
 | |
| #endif
 | |
|   return false;
 | |
| }
 | |
| 
 | |
| void IOHandlerEditline::GotEOF() {
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|   if (m_editline_ap)
 | |
|     m_editline_ap->Interrupt();
 | |
| #endif
 | |
| }
 | |
| 
 | |
| void IOHandlerEditline::PrintAsync(Stream *stream, const char *s, size_t len) {
 | |
| #ifndef LLDB_DISABLE_LIBEDIT
 | |
|   if (m_editline_ap)
 | |
|     m_editline_ap->PrintAsync(stream, s, len);
 | |
|   else
 | |
| #endif
 | |
|   {
 | |
| #ifdef _MSC_VER
 | |
|     const char *prompt = GetPrompt();
 | |
|     if (prompt) {
 | |
|       // Back up over previous prompt using Windows API
 | |
|       CONSOLE_SCREEN_BUFFER_INFO screen_buffer_info;
 | |
|       HANDLE console_handle = GetStdHandle(STD_OUTPUT_HANDLE);
 | |
|       GetConsoleScreenBufferInfo(console_handle, &screen_buffer_info);
 | |
|       COORD coord = screen_buffer_info.dwCursorPosition;
 | |
|       coord.X -= strlen(prompt);
 | |
|       if (coord.X < 0)
 | |
|         coord.X = 0;
 | |
|       SetConsoleCursorPosition(console_handle, coord);
 | |
|     }
 | |
| #endif
 | |
|     IOHandler::PrintAsync(stream, s, len);
 | |
| #ifdef _MSC_VER
 | |
|     if (prompt)
 | |
|       IOHandler::PrintAsync(GetOutputStreamFile().get(), prompt,
 | |
|                             strlen(prompt));
 | |
| #endif
 | |
|   }
 | |
| }
 | |
| 
 | |
| // we may want curses to be disabled for some builds
 | |
| // for instance, windows
 | |
| #ifndef LLDB_DISABLE_CURSES
 | |
| 
 | |
| #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() = default;
 | |
| 
 | |
|   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 nullptr; }
 | |
| 
 | |
|   virtual KeyHelp *WindowDelegateGetKeyHelp() { return nullptr; }
 | |
| };
 | |
| 
 | |
| class HelpDialogDelegate : public WindowDelegate {
 | |
| public:
 | |
|   HelpDialogDelegate(const char *text, KeyHelp *key_help_array);
 | |
| 
 | |
|   ~HelpDialogDelegate() override;
 | |
| 
 | |
|   bool WindowDelegateDraw(Window &window, bool force) override;
 | |
| 
 | |
|   HandleCharResult WindowDelegateHandleChar(Window &window, int key) override;
 | |
| 
 | |
|   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(nullptr), m_panel(nullptr), m_parent(nullptr),
 | |
|         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(nullptr), m_panel(nullptr), m_parent(nullptr),
 | |
|         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(nullptr), m_parent(nullptr), 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 = nullptr, bool del = true) {
 | |
|     if (m_window == w)
 | |
|       return;
 | |
| 
 | |
|     if (m_panel) {
 | |
|       ::del_panel(m_panel);
 | |
|       m_panel = nullptr;
 | |
|     }
 | |
|     if (m_window && m_delete) {
 | |
|       ::delwin(m_window);
 | |
|       m_window = nullptr;
 | |
|       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 = nullptr) {
 | |
|     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 < static_cast<size_t>(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 < static_cast<size_t>(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) {
 | |
|         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() = default;
 | |
| 
 | |
|   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);
 | |
| 
 | |
|   ~Menu() override = default;
 | |
| 
 | |
|   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);
 | |
| 
 | |
|   bool WindowDelegateDraw(Window &window, bool force) override;
 | |
| 
 | |
|   HandleCharResult WindowDelegateHandleChar(Window &window, int key) override;
 | |
| 
 | |
|   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(nullptr),
 | |
|       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(nullptr),
 | |
|       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 (static_cast<size_t>(m_max_submenu_name_length) < submenu->m_name.size())
 | |
|       m_max_submenu_name_length = submenu->m_name.size();
 | |
|     if (static_cast<size_t>(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 (static_cast<size_t>(m_max_submenu_name_length) < menu_sp->m_name.size())
 | |
|     m_max_submenu_name_length = menu_sp->m_name.size();
 | |
|   if (static_cast<size_t>(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 (int 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 == static_cast<size_t>(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 < static_cast<int>(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 >= static_cast<int>(num_submenus))
 | |
|         m_selected = 0;
 | |
|       if (m_selected < static_cast<int>(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 < static_cast<int>(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 calculated
 | |
|       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 (static_cast<size_t>(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 < static_cast<int>(0))
 | |
|             m_selected = num_submenus - 1;
 | |
|           if (m_submenus[m_selected]->GetType() == Type::Separator)
 | |
|             continue;
 | |
|           else
 | |
|             break;
 | |
|         }
 | |
|         return eKeyHandled;
 | |
|       }
 | |
|       break;
 | |
| 
 | |
|     case KEY_RETURN:
 | |
|       if (static_cast<size_t>(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:
 | |
|       for (size_t i = 0; i < num_submenus; ++i) {
 | |
|         Menu *menu = submenus[i].get();
 | |
|         if (menu->GetKeyValue() == key) {
 | |
|           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(nullptr), m_in(in), m_out(out) {}
 | |
| 
 | |
|   ~Application() {
 | |
|     m_window_delegates.clear();
 | |
|     m_window_sp.reset();
 | |
|     if (m_screen) {
 | |
|       ::delscreen(m_screen);
 | |
|       m_screen = nullptr;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   void Initialize() {
 | |
|     ::setlocale(LC_ALL, "");
 | |
|     ::setlocale(LC_CTYPE, "");
 | |
| #if 0
 | |
|             ::initscr();
 | |
| #else
 | |
|     m_screen = ::newterm(nullptr, 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(
 | |
|         Listener::MakeListener("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->GetEvent(event_sp, std::chrono::seconds(0));
 | |
| 
 | |
|             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) {
 | |
|                   debugger.GetCommandInterpreter().UpdateExecutionContext(
 | |
|                       nullptr);
 | |
|                   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:
 | |
|           debugger.GetCommandInterpreter().UpdateExecutionContext(nullptr);
 | |
|           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 {
 | |
|   ValueObjectManager value;
 | |
|   Row *parent;
 | |
|   // The process stop ID when the children were calculated.
 | |
|   uint32_t children_stop_id;
 | |
|   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)
 | |
|       : value(v, lldb::eDynamicDontRunTarget, true), 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;
 | |
|   }
 | |
| 
 | |
|   std::vector<Row> &GetChildren() {
 | |
|     ProcessSP process_sp = value.GetProcessSP();
 | |
|     auto stop_id = process_sp->GetStopID();
 | |
|     if (process_sp && stop_id != children_stop_id) {
 | |
|       children_stop_id = stop_id;
 | |
|       calculated_children = false;
 | |
|     }
 | |
|     if (!calculated_children) {
 | |
|       children.clear();
 | |
|       calculated_children = true;
 | |
|       ValueObjectSP valobj = value.GetSP();
 | |
|       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));
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|     return children;
 | |
|   }
 | |
| 
 | |
|   void Unexpand() {
 | |
|     expanded = false;
 | |
|     calculated_children = false;
 | |
|     children.clear();
 | |
|   }
 | |
| 
 | |
|   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 (&GetChildren().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() = default;
 | |
|   virtual ~TreeDelegate() = default;
 | |
| 
 | |
|   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_user_data(nullptr),
 | |
|         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_user_data = rhs.m_user_data;
 | |
|       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;
 | |
| 
 | |
|     const bool expanded = IsExpanded();
 | |
| 
 | |
|     // The root item must calculate its children,
 | |
|     // or we must calculate the number of children
 | |
|     // if the item is expanded
 | |
|     if (m_parent == nullptr || expanded)
 | |
|       GetNumChildren();
 | |
| 
 | |
|     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 == static_cast<size_t>(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))
 | |
|           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 (static_cast<uint32_t>(m_row_idx) == row_idx)
 | |
|       return this;
 | |
|     if (m_children.empty())
 | |
|       return nullptr;
 | |
|     if (IsExpanded()) {
 | |
|       for (auto &item : m_children) {
 | |
|         TreeItem *selected_item_ptr = item.GetItemForRowIndex(row_idx);
 | |
|         if (selected_item_ptr)
 | |
|           return selected_item_ptr;
 | |
|       }
 | |
|     }
 | |
|     return nullptr;
 | |
|   }
 | |
| 
 | |
|   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; }
 | |
| 
 | |
|   void SetMightHaveChildren(bool b) { m_might_have_children = b; }
 | |
| 
 | |
| 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(nullptr, *delegate_sp, true), m_selected_item(nullptr),
 | |
|         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; }
 | |
| 
 | |
|   bool WindowDelegateDraw(Window &window, bool force) override {
 | |
|     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 = nullptr;
 | |
|     }
 | |
| 
 | |
|     window.DeferredRefresh();
 | |
| 
 | |
|     return true; // Drawing handled
 | |
|   }
 | |
| 
 | |
|   const char *WindowDelegateGetHelpText() override {
 | |
|     return "Thread window keyboard shortcuts:";
 | |
|   }
 | |
| 
 | |
|   KeyHelp *WindowDelegateGetKeyHelp() override {
 | |
|     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', nullptr}};
 | |
|     return g_source_view_key_help;
 | |
|   }
 | |
| 
 | |
|   HandleCharResult WindowDelegateHandleChar(Window &window, int c) override {
 | |
|     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() : TreeDelegate() {
 | |
|     FormatEntity::Parse(
 | |
|         "frame #${frame.index}: {${function.name}${function.pc-offset}}}",
 | |
|         m_format);
 | |
|   }
 | |
| 
 | |
|   ~FrameTreeDelegate() override = default;
 | |
| 
 | |
|   void TreeDelegateDrawTreeItem(TreeItem &item, Window &window) override {
 | |
|     Thread *thread = (Thread *)item.GetUserData();
 | |
|     if (thread) {
 | |
|       const uint64_t frame_idx = item.GetIdentifier();
 | |
|       StackFrameSP frame_sp = thread->GetStackFrameAtIndex(frame_idx);
 | |
|       if (frame_sp) {
 | |
|         StreamString strm;
 | |
|         const SymbolContext &sc =
 | |
|             frame_sp->GetSymbolContext(eSymbolContextEverything);
 | |
|         ExecutionContext exe_ctx(frame_sp);
 | |
|         if (FormatEntity::Format(m_format, strm, &sc, &exe_ctx, nullptr,
 | |
|                                  nullptr, false, false)) {
 | |
|           int right_pad = 1;
 | |
|           window.PutCStringTruncated(strm.GetString().str().c_str(), right_pad);
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   void TreeDelegateGenerateChildren(TreeItem &item) override {
 | |
|     // No children for frames yet...
 | |
|   }
 | |
| 
 | |
|   bool TreeDelegateItemSelected(TreeItem &item) override {
 | |
|     Thread *thread = (Thread *)item.GetUserData();
 | |
|     if (thread) {
 | |
|       thread->GetProcess()->GetThreadList().SetSelectedThreadByID(
 | |
|           thread->GetID());
 | |
|       const uint64_t frame_idx = item.GetIdentifier();
 | |
|       thread->SetSelectedFrameByIndex(frame_idx);
 | |
|       return true;
 | |
|     }
 | |
|     return false;
 | |
|   }
 | |
| 
 | |
| protected:
 | |
|   FormatEntity::Entry m_format;
 | |
| };
 | |
| 
 | |
| class ThreadTreeDelegate : public TreeDelegate {
 | |
| public:
 | |
|   ThreadTreeDelegate(Debugger &debugger)
 | |
|       : TreeDelegate(), m_debugger(debugger), m_tid(LLDB_INVALID_THREAD_ID),
 | |
|         m_stop_id(UINT32_MAX) {
 | |
|     FormatEntity::Parse("thread #${thread.index}: tid = ${thread.id}{, stop "
 | |
|                         "reason = ${thread.stop-reason}}",
 | |
|                         m_format);
 | |
|   }
 | |
| 
 | |
|   ~ThreadTreeDelegate() override = default;
 | |
| 
 | |
|   ProcessSP GetProcess() {
 | |
|     return m_debugger.GetCommandInterpreter()
 | |
|         .GetExecutionContext()
 | |
|         .GetProcessSP();
 | |
|   }
 | |
| 
 | |
|   ThreadSP GetThread(const TreeItem &item) {
 | |
|     ProcessSP process_sp = GetProcess();
 | |
|     if (process_sp)
 | |
|       return process_sp->GetThreadList().FindThreadByID(item.GetIdentifier());
 | |
|     return ThreadSP();
 | |
|   }
 | |
| 
 | |
|   void TreeDelegateDrawTreeItem(TreeItem &item, Window &window) override {
 | |
|     ThreadSP thread_sp = GetThread(item);
 | |
|     if (thread_sp) {
 | |
|       StreamString strm;
 | |
|       ExecutionContext exe_ctx(thread_sp);
 | |
|       if (FormatEntity::Format(m_format, strm, nullptr, &exe_ctx, nullptr,
 | |
|                                nullptr, false, false)) {
 | |
|         int right_pad = 1;
 | |
|         window.PutCStringTruncated(strm.GetString().str().c_str(), right_pad);
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   void TreeDelegateGenerateChildren(TreeItem &item) override {
 | |
|     ProcessSP process_sp = GetProcess();
 | |
|     if (process_sp && process_sp->IsAlive()) {
 | |
|       StateType state = process_sp->GetState();
 | |
|       if (StateIsStoppedState(state, true)) {
 | |
|         ThreadSP thread_sp = GetThread(item);
 | |
|         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) {
 | |
|             // Always expand the thread item the first time we show it
 | |
|             m_frame_delegate_sp.reset(new FrameTreeDelegate());
 | |
|           }
 | |
| 
 | |
|           m_stop_id = process_sp->GetStopID();
 | |
|           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].SetUserData(thread_sp.get());
 | |
|             item[i].SetIdentifier(i);
 | |
|           }
 | |
|         }
 | |
|         return;
 | |
|       }
 | |
|     }
 | |
|     item.ClearChildren();
 | |
|   }
 | |
| 
 | |
|   bool TreeDelegateItemSelected(TreeItem &item) override {
 | |
|     ProcessSP process_sp = GetProcess();
 | |
|     if (process_sp && process_sp->IsAlive()) {
 | |
|       StateType state = process_sp->GetState();
 | |
|       if (StateIsStoppedState(state, true)) {
 | |
|         ThreadSP thread_sp = GetThread(item);
 | |
|         if (thread_sp) {
 | |
|           ThreadList &thread_list = thread_sp->GetProcess()->GetThreadList();
 | |
|           std::lock_guard<std::recursive_mutex> guard(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;
 | |
|   std::shared_ptr<FrameTreeDelegate> m_frame_delegate_sp;
 | |
|   lldb::user_id_t m_tid;
 | |
|   uint32_t m_stop_id;
 | |
|   FormatEntity::Entry m_format;
 | |
| };
 | |
| 
 | |
| class ThreadsTreeDelegate : public TreeDelegate {
 | |
| public:
 | |
|   ThreadsTreeDelegate(Debugger &debugger)
 | |
|       : TreeDelegate(), m_thread_delegate_sp(), m_debugger(debugger),
 | |
|         m_stop_id(UINT32_MAX) {
 | |
|     FormatEntity::Parse("process ${process.id}{, name = ${process.name}}",
 | |
|                         m_format);
 | |
|   }
 | |
| 
 | |
|   ~ThreadsTreeDelegate() override = default;
 | |
| 
 | |
|   ProcessSP GetProcess() {
 | |
|     return m_debugger.GetCommandInterpreter()
 | |
|         .GetExecutionContext()
 | |
|         .GetProcessSP();
 | |
|   }
 | |
| 
 | |
|   void TreeDelegateDrawTreeItem(TreeItem &item, Window &window) override {
 | |
|     ProcessSP process_sp = GetProcess();
 | |
|     if (process_sp && process_sp->IsAlive()) {
 | |
|       StreamString strm;
 | |
|       ExecutionContext exe_ctx(process_sp);
 | |
|       if (FormatEntity::Format(m_format, strm, nullptr, &exe_ctx, nullptr,
 | |
|                                nullptr, false, false)) {
 | |
|         int right_pad = 1;
 | |
|         window.PutCStringTruncated(strm.GetString().str().c_str(), right_pad);
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   void TreeDelegateGenerateChildren(TreeItem &item) override {
 | |
|     ProcessSP process_sp = GetProcess();
 | |
|     if (process_sp && process_sp->IsAlive()) {
 | |
|       StateType state = process_sp->GetState();
 | |
|       if (StateIsStoppedState(state, true)) {
 | |
|         const uint32_t stop_id = process_sp->GetStopID();
 | |
|         if (m_stop_id == stop_id)
 | |
|           return; // Children are already up to date
 | |
| 
 | |
|         m_stop_id = stop_id;
 | |
| 
 | |
|         if (!m_thread_delegate_sp) {
 | |
|           // Always expand the thread item the first time we show it
 | |
|           // item.Expand();
 | |
|           m_thread_delegate_sp.reset(new ThreadTreeDelegate(m_debugger));
 | |
|         }
 | |
| 
 | |
|         TreeItem t(&item, *m_thread_delegate_sp, false);
 | |
|         ThreadList &threads = process_sp->GetThreadList();
 | |
|         std::lock_guard<std::recursive_mutex> guard(threads.GetMutex());
 | |
|         size_t num_threads = threads.GetSize();
 | |
|         item.Resize(num_threads, t);
 | |
|         for (size_t i = 0; i < num_threads; ++i) {
 | |
|           item[i].SetIdentifier(threads.GetThreadAtIndex(i)->GetID());
 | |
|           item[i].SetMightHaveChildren(true);
 | |
|         }
 | |
|         return;
 | |
|       }
 | |
|     }
 | |
|     item.ClearChildren();
 | |
|   }
 | |
| 
 | |
|   bool TreeDelegateItemSelected(TreeItem &item) override { return false; }
 | |
| 
 | |
| protected:
 | |
|   std::shared_ptr<ThreadTreeDelegate> m_thread_delegate_sp;
 | |
|   Debugger &m_debugger;
 | |
|   uint32_t m_stop_id;
 | |
|   FormatEntity::Entry m_format;
 | |
| };
 | |
| 
 | |
| class ValueObjectListDelegate : public WindowDelegate {
 | |
| public:
 | |
|   ValueObjectListDelegate()
 | |
|       : m_rows(), m_selected_row(nullptr),
 | |
|         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_rows(), m_selected_row(nullptr),
 | |
|         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);
 | |
|   }
 | |
| 
 | |
|   ~ValueObjectListDelegate() override = default;
 | |
| 
 | |
|   void SetValues(ValueObjectList &valobj_list) {
 | |
|     m_selected_row = nullptr;
 | |
|     m_selected_row_idx = 0;
 | |
|     m_first_visible_row = 0;
 | |
|     m_num_rows = 0;
 | |
|     m_rows.clear();
 | |
|     for (auto &valobj_sp : valobj_list.GetObjects())
 | |
|       m_rows.push_back(Row(valobj_sp, nullptr));
 | |
|   }
 | |
| 
 | |
|   bool WindowDelegateDraw(Window &window, bool force) override {
 | |
|     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
 | |
|   }
 | |
| 
 | |
|   KeyHelp *WindowDelegateGetKeyHelp() override {
 | |
|     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', nullptr}};
 | |
|     return g_source_view_key_help;
 | |
|   }
 | |
| 
 | |
|   HandleCharResult WindowDelegateHandleChar(Window &window, int c) override {
 | |
|     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) {
 | |
|         auto valobj_sp = m_selected_row->value.GetSP();
 | |
|         if (valobj_sp)
 | |
|           valobj_sp->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 (static_cast<int>(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 > static_cast<size_t>(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:
 | |
|   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.value.GetSP().get();
 | |
| 
 | |
|     if (valobj == nullptr)
 | |
|       return false;
 | |
| 
 | |
|     const char *type_name =
 | |
|         options.show_types ? valobj->GetTypeName().GetCString() : nullptr;
 | |
|     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) <
 | |
|            static_cast<size_t>(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;
 | |
|       }
 | |
| 
 | |
|       auto &children = row.GetChildren();
 | |
|       if (row.expanded && !children.empty()) {
 | |
|         DisplayRows(window, children, options);
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   int CalculateTotalNumberRows(std::vector<Row> &rows) {
 | |
|     int row_count = 0;
 | |
|     for (auto &row : rows) {
 | |
|       ++row_count;
 | |
|       if (row.expanded)
 | |
|         row_count += CalculateTotalNumberRows(row.GetChildren());
 | |
|     }
 | |
|     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;
 | |
|         auto &children = row.GetChildren();
 | |
|         if (row.expanded && !children.empty()) {
 | |
|           Row *result = GetRowForRowIndexImpl(children, row_index);
 | |
|           if (result)
 | |
|             return result;
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|     return nullptr;
 | |
|   }
 | |
| 
 | |
|   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(nullptr) {}
 | |
| 
 | |
|   ~FrameVariablesWindowDelegate() override = default;
 | |
| 
 | |
|   const char *WindowDelegateGetHelpText() override {
 | |
|     return "Frame variable window keyboard shortcuts:";
 | |
|   }
 | |
| 
 | |
|   bool WindowDelegateDraw(Window &window, bool force) override {
 | |
|     ExecutionContext exe_ctx(
 | |
|         m_debugger.GetCommandInterpreter().GetExecutionContext());
 | |
|     Process *process = exe_ctx.GetProcessPtr();
 | |
|     Block *frame_block = nullptr;
 | |
|     StackFrame *frame = nullptr;
 | |
| 
 | |
|     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) {
 | |
|             ValueObjectSP value_sp = frame->GetValueObjectForFrameVariable(
 | |
|                 locals->GetVariableAtIndex(i), use_dynamic);
 | |
|             if (value_sp) {
 | |
|               ValueObjectSP synthetic_value_sp = value_sp->GetSyntheticValue();
 | |
|               if (synthetic_value_sp)
 | |
|                 local_values.Append(synthetic_value_sp);
 | |
|               else
 | |
|                 local_values.Append(value_sp);
 | |
|             }
 | |
|           }
 | |
|           // Update the values
 | |
|           SetValues(local_values);
 | |
|         }
 | |
|       }
 | |
|     } else {
 | |
|       m_frame_block = nullptr;
 | |
|       // 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) {}
 | |
| 
 | |
|   ~RegistersWindowDelegate() override = default;
 | |
| 
 | |
|   const char *WindowDelegateGetHelpText() override {
 | |
|     return "Register window keyboard shortcuts:";
 | |
|   }
 | |
| 
 | |
|   bool WindowDelegateDraw(Window &window, bool force) override {
 | |
|     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";
 | |
| #ifdef KEY_EVENT
 | |
|   case KEY_EVENT:
 | |
|     return "We were interrupted by an event";
 | |
| #endif
 | |
|   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 nullptr;
 | |
| }
 | |
| 
 | |
| 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(key_description.GetString());
 | |
|     }
 | |
|   }
 | |
| }
 | |
| 
 | |
| HelpDialogDelegate::~HelpDialogDelegate() = default;
 | |
| 
 | |
| 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 size_t 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 (static_cast<size_t>(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 (static_cast<size_t>(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) {}
 | |
| 
 | |
|   ~ApplicationDelegate() override = default;
 | |
| 
 | |
|   bool WindowDelegateDraw(Window &window, bool force) override {
 | |
|     return false; // Drawing not handled, let standard window drawing happen
 | |
|   }
 | |
| 
 | |
|   HandleCharResult WindowDelegateHandleChar(Window &window, int key) override {
 | |
|     switch (key) {
 | |
|     case '\t':
 | |
|       window.SelectNextWindowAsActive();
 | |
|       return eKeyHandled;
 | |
| 
 | |
|     case 'h':
 | |
|       window.CreateHelpSubwindow();
 | |
|       return eKeyHandled;
 | |
| 
 | |
|     case KEY_ESCAPE:
 | |
|       return eQuitApplication;
 | |
| 
 | |
|     default:
 | |
|       break;
 | |
|     }
 | |
|     return eKeyNotHandled;
 | |
|   }
 | |
| 
 | |
|   const char *WindowDelegateGetHelpText() override {
 | |
|     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:";
 | |
|   }
 | |
| 
 | |
|   KeyHelp *WindowDelegateGetKeyHelp() override {
 | |
|     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', nullptr}};
 | |
|     return g_source_view_key_help;
 | |
|   }
 | |
| 
 | |
|   MenuActionResult MenuDelegateAction(Menu &menu) override {
 | |
|     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);
 | |
|       }
 | |
|     }
 | |
|       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(false);
 | |
|       }
 | |
|     }
 | |
|       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();
 | |
|         std::lock_guard<std::recursive_mutex> guard(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().str().c_str(),
 | |
|                               nullptr, 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) {
 | |
|     FormatEntity::Parse("Thread: ${thread.id%tid}", m_format);
 | |
|   }
 | |
| 
 | |
|   ~StatusBarWindowDelegate() override = default;
 | |
| 
 | |
|   bool WindowDelegateDraw(Window &window, bool force) override {
 | |
|     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)) {
 | |
|         StreamString strm;
 | |
|         if (thread && FormatEntity::Format(m_format, strm, nullptr, &exe_ctx,
 | |
|                                            nullptr, nullptr, false, false)) {
 | |
|           window.MoveCursor(40, 0);
 | |
|           window.PutCStringTruncated(strm.GetString().str().c_str(), 1);
 | |
|         }
 | |
| 
 | |
|         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;
 | |
|   FormatEntity::Entry m_format;
 | |
| };
 | |
| 
 | |
| class SourceFileWindowDelegate : public WindowDelegate {
 | |
| public:
 | |
|   SourceFileWindowDelegate(Debugger &debugger)
 | |
|       : WindowDelegate(), m_debugger(debugger), m_sc(), m_file_sp(),
 | |
|         m_disassembly_scope(nullptr), m_disassembly_sp(), m_disassembly_range(),
 | |
|         m_title(), 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) {}
 | |
| 
 | |
|   ~SourceFileWindowDelegate() override = default;
 | |
| 
 | |
|   void Update(const SymbolContext &sc) { m_sc = sc; }
 | |
| 
 | |
|   uint32_t NumVisibleLines() const { return m_max_y - m_min_y; }
 | |
| 
 | |
|   const char *WindowDelegateGetHelpText() override {
 | |
|     return "Source/Disassembly window keyboard shortcuts:";
 | |
|   }
 | |
| 
 | |
|   KeyHelp *WindowDelegateGetKeyHelp() override {
 | |
|     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', nullptr}};
 | |
|     return g_source_view_key_help;
 | |
|   }
 | |
| 
 | |
|   bool WindowDelegateDraw(Window &window, bool force) override {
 | |
|     ExecutionContext exe_ctx =
 | |
|         m_debugger.GetCommandInterpreter().GetExecutionContext();
 | |
|     Process *process = exe_ctx.GetProcessPtr();
 | |
|     Thread *thread = nullptr;
 | |
| 
 | |
|     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 = 2;
 | |
|     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;
 | |
|       m_title.Clear();
 | |
|       if (frame_sp) {
 | |
|         m_sc = frame_sp->GetSymbolContext(eSymbolContextEverything);
 | |
|         if (m_sc.module_sp) {
 | |
|           m_title.Printf(
 | |
|               "%s", m_sc.module_sp->GetFileSpec().GetFilename().GetCString());
 | |
|           ConstString func_name = m_sc.GetFunctionName();
 | |
|           if (func_name)
 | |
|             m_title.Printf("`%s", func_name.GetCString());
 | |
|         }
 | |
|         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 >= static_cast<size_t>(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, nullptr, 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, nullptr, 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;
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     const int window_width = window.GetWidth();
 | |
|     window.Erase();
 | |
|     window.DrawTitleBox("Sources");
 | |
|     if (!m_title.GetString().empty()) {
 | |
|       window.AttributeOn(A_REVERSE);
 | |
|       window.MoveCursor(1, 1);
 | |
|       window.PutChar(' ');
 | |
|       window.PutCStringTruncated(m_title.GetString().str().c_str(), 1);
 | |
|       int x = window.GetCursorX();
 | |
|       if (x < window_width - 1) {
 | |
|         window.Printf("%*s", window_width - x - 1, "");
 | |
|       }
 | |
|       window.AttributeOff(A_REVERSE);
 | |
|     }
 | |
| 
 | |
|     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 (size_t 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 = m_min_y + 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_width - stop_description_len - 16;
 | |
|                 window.Printf("%*s", desc_x - window.GetCursorX(), "");
 | |
|                 // window.MoveCursor(window_width - stop_description_len - 15,
 | |
|                 // line_y);
 | |
|                 window.Printf("<<< Thread %u: %s ", thread->GetIndexID(),
 | |
|                               stop_description);
 | |
|               }
 | |
|             } else {
 | |
|               window.Printf("%*s", window_width - 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 (static_cast<size_t>(m_first_visible_line) >= num_disassembly_lines)
 | |
|           m_first_visible_line = 0;
 | |
| 
 | |
|         if (pc_idx < num_disassembly_lines) {
 | |
|           if (pc_idx < static_cast<uint32_t>(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;
 | |
| 
 | |
|           const int line_y = m_min_y + i;
 | |
|           window.MoveCursor(1, line_y);
 | |
|           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 ",
 | |
|                         static_cast<unsigned long long>(
 | |
|                             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 != nullptr && mnemonic[0] == '\0')
 | |
|             mnemonic = nullptr;
 | |
|           if (operands != nullptr && operands[0] == '\0')
 | |
|             operands = nullptr;
 | |
|           if (comment != nullptr && comment[0] == '\0')
 | |
|             comment = nullptr;
 | |
| 
 | |
|           strm.Clear();
 | |
| 
 | |
|           if (mnemonic != nullptr && operands != nullptr && comment != nullptr)
 | |
|             strm.Printf("%-8s %-25s ; %s", mnemonic, operands, comment);
 | |
|           else if (mnemonic != nullptr && operands != nullptr)
 | |
|             strm.Printf("%-8s %s", mnemonic, operands);
 | |
|           else if (mnemonic != nullptr)
 | |
|             strm.Printf("%s", mnemonic);
 | |
| 
 | |
|           int right_pad = 1;
 | |
|           window.PutCStringTruncated(strm.GetData(), 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_width - stop_description_len - 16;
 | |
|                 window.Printf("%*s", desc_x - window.GetCursorX(), "");
 | |
|                 // window.MoveCursor(window_width - stop_description_len - 15,
 | |
|                 // line_y);
 | |
|                 window.Printf("<<< Thread %u: %s ", thread->GetIndexID(),
 | |
|                               stop_description);
 | |
|               }
 | |
|             } else {
 | |
|               window.Printf("%*s", window_width - 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;
 | |
|   }
 | |
| 
 | |
|   HandleCharResult WindowDelegateHandleChar(Window &window, int c) override {
 | |
|     const uint32_t num_visible_lines = NumVisibleLines();
 | |
|     const size_t num_lines = GetNumLines();
 | |
| 
 | |
|     switch (c) {
 | |
|     case ',':
 | |
|     case KEY_PPAGE:
 | |
|       // Page up key
 | |
|       if (static_cast<uint32_t>(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 (static_cast<size_t>(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(
 | |
|               nullptr, // 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)
 | |
|               0,     // No offset
 | |
|               eLazyBoolCalculate,  // Check inlines using global setting
 | |
|               eLazyBoolCalculate,  // Skip prologue using global setting,
 | |
|               false,               // internal
 | |
|               false,               // request_hardware
 | |
|               eLazyBoolCalculate); // move_to_nearest_code
 | |
|           // 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(
 | |
|               nullptr, // 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)
 | |
|               0,     // No offset
 | |
|               eLazyBoolCalculate,  // Check inlines using global setting
 | |
|               eLazyBoolCalculate,  // Skip prologue using global setting,
 | |
|               false,               // internal
 | |
|               false,               // request_hardware
 | |
|               eLazyBoolCalculate); // move_to_nearest_code
 | |
|         }
 | |
|       } 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(false);
 | |
|       }
 | |
|       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');
 | |
|         exe_ctx.GetThreadRef().StepIn(source_step);
 | |
|       }
 | |
|     }
 | |
|       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;
 | |
|   StreamString m_title;
 | |
|   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, IOHandler::Type::Curses) {}
 | |
| 
 | |
| 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", nullptr, 'x', ApplicationDelegate::eMenuID_LLDBExit));
 | |
|     exit_menuitem_sp->SetCannedResult(MenuActionResult::Quit);
 | |
|     lldb_menu_sp->AddSubmenu(MenuSP(new Menu(
 | |
|         "About LLDB", nullptr, '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", nullptr, 'c', ApplicationDelegate::eMenuID_TargetCreate)));
 | |
|     target_menu_sp->AddSubmenu(MenuSP(new Menu(
 | |
|         "Delete", nullptr, '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", nullptr, 'a', ApplicationDelegate::eMenuID_ProcessAttach)));
 | |
|     process_menu_sp->AddSubmenu(MenuSP(new Menu(
 | |
|         "Detach", nullptr, 'd', ApplicationDelegate::eMenuID_ProcessDetach)));
 | |
|     process_menu_sp->AddSubmenu(MenuSP(new Menu(
 | |
|         "Launch", nullptr, 'l', ApplicationDelegate::eMenuID_ProcessLaunch)));
 | |
|     process_menu_sp->AddSubmenu(MenuSP(new Menu(Menu::Type::Separator)));
 | |
|     process_menu_sp->AddSubmenu(
 | |
|         MenuSP(new Menu("Continue", nullptr, 'c',
 | |
|                         ApplicationDelegate::eMenuID_ProcessContinue)));
 | |
|     process_menu_sp->AddSubmenu(MenuSP(new Menu(
 | |
|         "Halt", nullptr, 'h', ApplicationDelegate::eMenuID_ProcessHalt)));
 | |
|     process_menu_sp->AddSubmenu(MenuSP(new Menu(
 | |
|         "Kill", nullptr, '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", nullptr, 'i', ApplicationDelegate::eMenuID_ThreadStepIn)));
 | |
|     thread_menu_sp->AddSubmenu(
 | |
|         MenuSP(new Menu("Step Over", nullptr, 'v',
 | |
|                         ApplicationDelegate::eMenuID_ThreadStepOver)));
 | |
|     thread_menu_sp->AddSubmenu(MenuSP(new Menu(
 | |
|         "Step Out", nullptr, '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", nullptr, 'b',
 | |
|                         ApplicationDelegate::eMenuID_ViewBacktrace)));
 | |
|     view_menu_sp->AddSubmenu(
 | |
|         MenuSP(new Menu("Registers", nullptr, 'r',
 | |
|                         ApplicationDelegate::eMenuID_ViewRegisters)));
 | |
|     view_menu_sp->AddSubmenu(MenuSP(new Menu(
 | |
|         "Source", nullptr, 's', ApplicationDelegate::eMenuID_ViewSource)));
 | |
|     view_menu_sp->AddSubmenu(
 | |
|         MenuSP(new Menu("Variables", nullptr, '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", nullptr, '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 ThreadsTreeDelegate(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() = default;
 | |
| 
 | |
| void IOHandlerCursesGUI::Cancel() {}
 | |
| 
 | |
| bool IOHandlerCursesGUI::Interrupt() { return false; }
 | |
| 
 | |
| void IOHandlerCursesGUI::GotEOF() {}
 | |
| 
 | |
| #endif // LLDB_DISABLE_CURSES
 |