forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			293 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			293 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===-- BreakpointOptions.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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| 
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| // C Includes
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| // C++ Includes
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| // Other libraries and framework includes
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| // Project includes
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| #include "lldb/Breakpoint/BreakpointOptions.h"
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| 
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| #include "lldb/Core/Stream.h"
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| #include "lldb/Core/StringList.h"
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| #include "lldb/Core/Value.h"
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| #include "lldb/Breakpoint/StoppointCallbackContext.h"
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| #include "lldb/Target/Process.h"
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| #include "lldb/Target/Target.h"
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| #include "lldb/Target/ThreadSpec.h"
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| 
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| using namespace lldb;
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| using namespace lldb_private;
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| 
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| bool
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| BreakpointOptions::NullCallback (void *baton, StoppointCallbackContext *context, lldb::user_id_t break_id, lldb::user_id_t break_loc_id)
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| {
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|     return true;
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| }
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| 
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| //----------------------------------------------------------------------
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| // BreakpointOptions constructor
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| //----------------------------------------------------------------------
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| BreakpointOptions::BreakpointOptions() :
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|     m_callback (BreakpointOptions::NullCallback),
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|     m_callback_baton_sp (),
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|     m_callback_is_synchronous (false),
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|     m_enabled (true),
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|     m_one_shot (false),
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|     m_ignore_count (0),
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|     m_thread_spec_ap (),
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|     m_condition_text (),
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|     m_condition_text_hash (0)
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| {
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| }
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| 
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| //----------------------------------------------------------------------
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| // BreakpointOptions copy constructor
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| //----------------------------------------------------------------------
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| BreakpointOptions::BreakpointOptions(const BreakpointOptions& rhs) :
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|     m_callback (rhs.m_callback),
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|     m_callback_baton_sp (rhs.m_callback_baton_sp),
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|     m_callback_is_synchronous (rhs.m_callback_is_synchronous),
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|     m_enabled (rhs.m_enabled),
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|     m_one_shot (rhs.m_one_shot),
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|     m_ignore_count (rhs.m_ignore_count),
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|     m_thread_spec_ap ()
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| {
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|     if (rhs.m_thread_spec_ap.get() != nullptr)
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|         m_thread_spec_ap.reset (new ThreadSpec(*rhs.m_thread_spec_ap.get()));
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|     m_condition_text = rhs.m_condition_text;
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|     m_condition_text_hash = rhs.m_condition_text_hash;
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| }
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| 
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| //----------------------------------------------------------------------
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| // BreakpointOptions assignment operator
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| //----------------------------------------------------------------------
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| const BreakpointOptions&
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| BreakpointOptions::operator=(const BreakpointOptions& rhs)
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| {
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|     m_callback = rhs.m_callback;
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|     m_callback_baton_sp = rhs.m_callback_baton_sp;
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|     m_callback_is_synchronous = rhs.m_callback_is_synchronous;
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|     m_enabled = rhs.m_enabled;
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|     m_one_shot = rhs.m_one_shot;
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|     m_ignore_count = rhs.m_ignore_count;
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|     if (rhs.m_thread_spec_ap.get() != nullptr)
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|         m_thread_spec_ap.reset(new ThreadSpec(*rhs.m_thread_spec_ap.get()));
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|     m_condition_text = rhs.m_condition_text;
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|     m_condition_text_hash = rhs.m_condition_text_hash;
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|     return *this;
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| }
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| 
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| BreakpointOptions *
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| BreakpointOptions::CopyOptionsNoCallback (BreakpointOptions &orig)
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| {
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|     BreakpointHitCallback orig_callback = orig.m_callback;
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|     lldb::BatonSP orig_callback_baton_sp = orig.m_callback_baton_sp;
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|     bool orig_is_sync = orig.m_callback_is_synchronous;
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|     
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|     orig.ClearCallback();
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|     BreakpointOptions *ret_val = new BreakpointOptions(orig);
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|     
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|     orig.SetCallback (orig_callback, orig_callback_baton_sp, orig_is_sync);
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|     
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|     return ret_val;
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| }
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| 
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| //----------------------------------------------------------------------
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| // Destructor
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| //----------------------------------------------------------------------
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| BreakpointOptions::~BreakpointOptions() = default;
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| 
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| //------------------------------------------------------------------
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| // Callbacks
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| //------------------------------------------------------------------
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| void
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| BreakpointOptions::SetCallback (BreakpointHitCallback callback, const BatonSP &callback_baton_sp, bool callback_is_synchronous)
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| {
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|     m_callback_is_synchronous = callback_is_synchronous;
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|     m_callback = callback;
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|     m_callback_baton_sp = callback_baton_sp;
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| }
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| 
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| void
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| BreakpointOptions::ClearCallback ()
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| {
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|     m_callback = BreakpointOptions::NullCallback;
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|     m_callback_is_synchronous = false;
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|     m_callback_baton_sp.reset();
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| }
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| 
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| Baton *
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| BreakpointOptions::GetBaton ()
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| {
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|     return m_callback_baton_sp.get();
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| }
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| 
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| const Baton *
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| BreakpointOptions::GetBaton () const
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| {
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|     return m_callback_baton_sp.get();
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| }
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| 
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| bool
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| BreakpointOptions::InvokeCallback (StoppointCallbackContext *context, 
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|                                    lldb::user_id_t break_id,
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|                                    lldb::user_id_t break_loc_id)
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| {
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|     if (m_callback && context->is_synchronous == IsCallbackSynchronous())
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|     {
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|         return m_callback(m_callback_baton_sp ? m_callback_baton_sp->m_data : nullptr,
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|                           context,
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|                           break_id,
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|                           break_loc_id);
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|     }
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|     else
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|         return true;
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| }
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| 
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| bool
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| BreakpointOptions::HasCallback () const
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| {
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|     return m_callback != BreakpointOptions::NullCallback;
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| }
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| 
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| void 
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| BreakpointOptions::SetCondition (const char *condition)
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| {
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|     if (!condition)
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|         condition = "";
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|     
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|     m_condition_text.assign(condition);
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|     std::hash<std::string> hasher;
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|     m_condition_text_hash = hasher(m_condition_text);
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| }
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| 
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| const char *
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| BreakpointOptions::GetConditionText (size_t *hash) const
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| {
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|     if (!m_condition_text.empty())
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|     {
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|         if (hash)
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|             *hash = m_condition_text_hash;
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|         
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|         return m_condition_text.c_str();
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|     }
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|     else
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|     {
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|         return nullptr;
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|     }
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| }
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| 
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| const ThreadSpec *
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| BreakpointOptions::GetThreadSpecNoCreate () const
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| {
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|     return m_thread_spec_ap.get();
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| }
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| 
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| ThreadSpec *
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| BreakpointOptions::GetThreadSpec ()
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| {
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|     if (m_thread_spec_ap.get() == nullptr)
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|         m_thread_spec_ap.reset (new ThreadSpec());
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|         
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|     return m_thread_spec_ap.get();
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| }
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| 
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| void
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| BreakpointOptions::SetThreadID (lldb::tid_t thread_id)
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| {
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|     GetThreadSpec()->SetTID(thread_id);
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| }
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| 
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| void
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| BreakpointOptions::GetDescription (Stream *s, lldb::DescriptionLevel level) const
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| {
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|     // Figure out if there are any options not at their default value, and only print 
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|     // anything if there are:
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|     
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|     if (m_ignore_count != 0 || !m_enabled || m_one_shot || (GetThreadSpecNoCreate() != nullptr && GetThreadSpecNoCreate()->HasSpecification ()))
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|     {
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|         if (level == lldb::eDescriptionLevelVerbose)
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|         {
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|             s->EOL ();
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|             s->IndentMore();
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|             s->Indent();
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|             s->PutCString("Breakpoint Options:\n");
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|             s->IndentMore();
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|             s->Indent();
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|         }
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|         else
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|             s->PutCString(" Options: ");
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|                 
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|         if (m_ignore_count > 0)
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|             s->Printf("ignore: %d ", m_ignore_count);
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|         s->Printf("%sabled ", m_enabled ? "en" : "dis");
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|         
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|         if (m_one_shot)
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|             s->Printf ("one-shot ");
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|         
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|         if (m_thread_spec_ap.get())
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|             m_thread_spec_ap->GetDescription (s, level);
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| 
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|         if (level == lldb::eDescriptionLevelFull)
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|         {
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|             s->IndentLess();
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|             s->IndentMore();
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|         }
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|     }
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|             
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|     if (m_callback_baton_sp.get())
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|     {
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|         if (level != eDescriptionLevelBrief)
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|         {
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|             s->EOL();
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|             m_callback_baton_sp->GetDescription (s, level);
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|         }
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|     }
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|     if (!m_condition_text.empty())
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|     {
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|        if (level != eDescriptionLevelBrief)
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|        {
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|             s->EOL();
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|             s->Printf("Condition: %s\n", m_condition_text.c_str());
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|         }
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|     }    
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| }
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| 
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| void
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| BreakpointOptions::CommandBaton::GetDescription (Stream *s, lldb::DescriptionLevel level) const
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| {
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|     CommandData *data = (CommandData *)m_data;
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| 
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|     if (level == eDescriptionLevelBrief)
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|     {
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|         s->Printf (", commands = %s", (data && data->user_source.GetSize() > 0) ? "yes" : "no");
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|         return;
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|     }
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|     
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|     s->IndentMore ();
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|     s->Indent("Breakpoint commands:\n");
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|     
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|     s->IndentMore ();
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|     if (data && data->user_source.GetSize() > 0)
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|     {
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|         const size_t num_strings = data->user_source.GetSize();
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|         for (size_t i = 0; i < num_strings; ++i)
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|         {
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|             s->Indent(data->user_source.GetStringAtIndex(i));
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|             s->EOL();
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|         }
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|     }
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|     else
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|     {
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|         s->PutCString ("No commands.\n");
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|     }
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|     s->IndentLess ();
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|     s->IndentLess ();
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| }
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