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Fixed SBFrame to properly check to make sure it has a valid m_opaque_sp object

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before trying to use it.

llvm-svn: 121748
This commit is contained in:
Greg Clayton
2010-12-14 04:58:53 +00:00
parent 092a7bdf9f
commit 72eff18ae4
10 changed files with 102 additions and 43 deletions
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102
lldb/source/API/SBFrame.cpp
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@@ -122,7 +122,10 @@ SBFrame::GetSymbolContext (uint32_t resolve_scope) const
SBModule
SBFrame::GetModule () const
{
SBModule sb_module (m_opaque_sp->GetSymbolContext (eSymbolContextModule).module_sp);
SBModule sb_module;
if (m_opaque_sp)
*sb_module = m_opaque_sp->GetSymbolContext (eSymbolContextModule).module_sp;
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBFrame(%p)::GetModule () => SBModule(%p)",
@@ -134,8 +137,9 @@ SBFrame::GetModule () const
SBCompileUnit
SBFrame::GetCompileUnit () const
{
SBCompileUnit sb_comp_unit(m_opaque_sp->GetSymbolContext (eSymbolContextCompUnit).comp_unit);
SBCompileUnit sb_comp_unit;
if (m_opaque_sp)
sb_comp_unit.reset (m_opaque_sp->GetSymbolContext (eSymbolContextCompUnit).comp_unit);
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBFrame(%p)::GetModule () => SBCompileUnit(%p)",
@@ -147,8 +151,9 @@ SBFrame::GetCompileUnit () const
SBFunction
SBFrame::GetFunction () const
{
SBFunction sb_function(m_opaque_sp->GetSymbolContext (eSymbolContextFunction).function);
SBFunction sb_function;
if (m_opaque_sp)
sb_function.reset(m_opaque_sp->GetSymbolContext (eSymbolContextFunction).function);
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBFrame(%p)::GetFunction () => SBFunction(%p)",
@@ -160,7 +165,9 @@ SBFrame::GetFunction () const
SBSymbol
SBFrame::GetSymbol () const
{
SBSymbol sb_symbol(m_opaque_sp->GetSymbolContext (eSymbolContextSymbol).symbol);
SBSymbol sb_symbol;
if (m_opaque_sp)
sb_symbol.reset(m_opaque_sp->GetSymbolContext (eSymbolContextSymbol).symbol);
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBFrame(%p)::GetSymbol () => SBSymbol(%p)",
@@ -171,7 +178,9 @@ SBFrame::GetSymbol () const
SBBlock
SBFrame::GetBlock () const
{
SBBlock sb_block(m_opaque_sp->GetSymbolContext (eSymbolContextBlock).block);
SBBlock sb_block;
if (m_opaque_sp)
sb_block.reset (m_opaque_sp->GetSymbolContext (eSymbolContextBlock).block);
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBFrame(%p)::GetBlock () => SBBlock(%p)",
@@ -182,7 +191,9 @@ SBFrame::GetBlock () const
SBBlock
SBFrame::GetFrameBlock () const
{
SBBlock sb_block(m_opaque_sp->GetFrameBlock ());
SBBlock sb_block;
if (m_opaque_sp)
sb_block.reset(m_opaque_sp->GetFrameBlock ());
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBFrame(%p)::GetFrameBlock () => SBBlock(%p)",
@@ -193,7 +204,9 @@ SBFrame::GetFrameBlock () const
SBLineEntry
SBFrame::GetLineEntry () const
{
SBLineEntry sb_line_entry(&m_opaque_sp->GetSymbolContext (eSymbolContextLineEntry).line_entry);
SBLineEntry sb_line_entry;
if (m_opaque_sp)
sb_line_entry.SetLineEntry (m_opaque_sp->GetSymbolContext (eSymbolContextLineEntry).line_entry);
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBFrame(%p)::GetLineEntry () => SBLineEntry(%p)",
@@ -216,7 +229,6 @@ SBFrame::GetFrameID () const
lldb::addr_t
SBFrame::GetPC () const
{
lldb::addr_t addr = LLDB_INVALID_ADDRESS;
if (m_opaque_sp)
addr = m_opaque_sp->GetFrameCodeAddress().GetLoadAddress (&m_opaque_sp->GetThread().GetProcess().GetTarget());
@@ -231,7 +243,6 @@ SBFrame::GetPC () const
bool
SBFrame::SetPC (lldb::addr_t new_pc)
{
bool ret_val = false;
if (m_opaque_sp)
ret_val = m_opaque_sp->GetRegisterContext()->SetPC (new_pc);
@@ -294,27 +305,26 @@ SBValue
SBFrame::LookupVar (const char *var_name)
{
lldb::VariableSP var_sp;
if (IsValid ())
if (m_opaque_sp && var_name && var_name[0])
{
lldb_private::VariableList variable_list;
SBSymbolContext sc = GetSymbolContext (eSymbolContextEverything);
SBBlock block = sc.GetBlock();
if (block.IsValid())
block.AppendVariables (true, true, &variable_list);
SymbolContext sc (m_opaque_sp->GetSymbolContext (eSymbolContextBlock));
const uint32_t num_variables = variable_list.GetSize();
bool found = false;
for (uint32_t i = 0; i < num_variables && !found; ++i)
if (sc.block)
{
var_sp = variable_list.GetVariableAtIndex(i);
if (var_sp
&& (var_sp.get()->GetName() == lldb_private::ConstString(var_name)))
found = true;
const bool can_create = true;
const bool get_parent_variables = true;
const bool stop_if_block_is_inlined_function = true;
if (sc.block->AppendVariables (can_create,
get_parent_variables,
stop_if_block_is_inlined_function,
&variable_list))
{
var_sp = variable_list.FindVariable (lldb_private::ConstString(var_name));
}
}
if (!found)
var_sp.reset();
}
SBValue sb_value;
@@ -334,7 +344,7 @@ SBValue
SBFrame::LookupVarInScope (const char *var_name, const char *scope)
{
lldb::VariableSP var_sp;
if (IsValid())
if (m_opaque_sp && var_name && var_name[0] && scope && scope[0])
{
std::string scope_str = scope;
lldb::ValueType var_scope = eValueTypeInvalid;
@@ -350,24 +360,31 @@ SBFrame::LookupVarInScope (const char *var_name, const char *scope)
if (var_scope != eValueTypeInvalid)
{
lldb_private::VariableList *variable_list = m_opaque_sp->GetVariableList(true);
if (variable_list)
lldb_private::VariableList variable_list;
SymbolContext sc (m_opaque_sp->GetSymbolContext (eSymbolContextBlock));
const bool can_create = true;
const bool get_parent_variables = true;
const bool stop_if_block_is_inlined_function = true;
if (sc.block && sc.block->AppendVariables (can_create,
get_parent_variables,
stop_if_block_is_inlined_function,
&variable_list))
{
const uint32_t num_variables = variable_list->GetSize();
bool found = false;
for (uint32_t i = 0; i < num_variables && !found; ++i)
lldb_private::ConstString const_var_name(var_name);
const uint32_t num_variables = variable_list.GetSize();
for (uint32_t i = 0; i < num_variables; ++i)
{
var_sp = variable_list->GetVariableAtIndex(i);
if (var_sp
&& (var_sp.get()->GetName() == lldb_private::ConstString(var_name))
&& var_sp.get()->GetScope() == var_scope)
lldb::VariableSP curr_var_sp (variable_list.GetVariableAtIndex(i));
if (curr_var_sp && curr_var_sp->GetScope() == var_scope &&
curr_var_sp->GetName() == const_var_name)
{
found = true;
var_sp = curr_var_sp;
break;
}
}
if (!found)
var_sp.reset();
}
}
}
@@ -415,10 +432,9 @@ SBFrame::GetThread () const
{
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
//if (log)
// log->Printf ("SBFrame::GetThread ()");
SBThread sb_thread (m_opaque_sp->GetThread().GetSP());
SBThread sb_thread;
if (m_opaque_sp)
sb_thread.SetThread (m_opaque_sp->GetThread().GetSP());
if (log)
{