caio/clang-p2996
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Add support for "dynamic values" for C++ classes. This currently only works for "frame var" and for the

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expressions that are simple enough to get passed to the "frame var" underpinnings.  The parser code will
have to be changed to also query for the dynamic types & offsets as it is looking up variables.

The behavior of "frame var" is controlled in two ways.  You can pass "-d {true/false} to the frame var
command to get the dynamic or static value of the variables you are printing.

There's also a general setting:

target.prefer-dynamic-value (boolean) = 'true'

which is consulted if you call "frame var" without supplying a value for the -d option.

llvm-svn: 129623
This commit is contained in:
Jim Ingham
2011-04-16 00:01:13 +00:00
parent f46b33852c
commit 78a685aa2d
38 changed files with 1739 additions and 238 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
lldb/source/API/SBFrame.cpp
View File

@@ -342,6 +342,13 @@ SBFrame::Clear()
SBValue
SBFrame::FindVariable (const char *name)
{
bool use_dynamic = m_opaque_sp->CalculateTarget()->GetPreferDynamicValue();
return FindVariable (name, use_dynamic);
}
SBValue
SBFrame::FindVariable (const char *name, bool use_dynamic)
{
VariableSP var_sp;
if (m_opaque_sp && name && name[0])
@@ -369,7 +376,7 @@ SBFrame::FindVariable (const char *name)
SBValue sb_value;
if (var_sp)
*sb_value = ValueObjectSP (new ValueObjectVariable (m_opaque_sp.get(), var_sp));
*sb_value = ValueObjectSP (m_opaque_sp->GetValueObjectForFrameVariable(var_sp, use_dynamic));
LogSP log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
@@ -381,6 +388,13 @@ SBFrame::FindVariable (const char *name)
SBValue
SBFrame::FindValue (const char *name, ValueType value_type)
{
bool use_dynamic = m_opaque_sp->CalculateTarget()->GetPreferDynamicValue();
return FindValue (name, value_type, use_dynamic);
}
SBValue
SBFrame::FindValue (const char *name, ValueType value_type, bool use_dynamic)
{
SBValue sb_value;
if (m_opaque_sp && name && name[0])
@@ -416,7 +430,8 @@ SBFrame::FindValue (const char *name, ValueType value_type)
variable_sp->GetScope() == value_type &&
variable_sp->GetName() == const_name)
{
*sb_value = ValueObjectSP (new ValueObjectVariable (m_opaque_sp.get(), variable_sp));
*sb_value = ValueObjectSP (m_opaque_sp->GetValueObjectForFrameVariable(variable_sp,
use_dynamic));
break;
}
}
@@ -563,6 +578,17 @@ SBFrame::GetVariables (bool arguments,
bool locals,
bool statics,
bool in_scope_only)
{
bool use_dynamic = m_opaque_sp->CalculateTarget()->GetPreferDynamicValue();
return GetVariables (arguments, locals, statics, in_scope_only, use_dynamic);
}
SBValueList
SBFrame::GetVariables (bool arguments,
bool locals,
bool statics,
bool in_scope_only,
bool use_dynamic)
{
LogSP log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
@@ -619,7 +645,7 @@ SBFrame::GetVariables (bool arguments,
if (in_scope_only && !variable_sp->IsInScope(m_opaque_sp.get()))
continue;
value_list.Append(m_opaque_sp->GetValueObjectForFrameVariable (variable_sp));
value_list.Append(m_opaque_sp->GetValueObjectForFrameVariable (variable_sp, use_dynamic));
}
}
}
@@ -679,6 +705,13 @@ SBFrame::GetDescription (SBStream &description)
SBValue
SBFrame::EvaluateExpression (const char *expr)
{
bool use_dynamic = m_opaque_sp->CalculateTarget()->GetPreferDynamicValue();
return EvaluateExpression (expr, use_dynamic);
}
SBValue
SBFrame::EvaluateExpression (const char *expr, bool fetch_dynamic_value)
{
Mutex::Locker api_locker (m_opaque_sp->GetThread().GetProcess().GetTarget().GetAPIMutex());
@@ -696,14 +729,23 @@ SBFrame::EvaluateExpression (const char *expr)
const bool unwind_on_error = true;
const bool keep_in_memory = false;
exe_results = m_opaque_sp->GetThread().GetProcess().GetTarget().EvaluateExpression(expr, m_opaque_sp.get(), unwind_on_error, keep_in_memory, *expr_result);
exe_results = m_opaque_sp->GetThread().GetProcess().GetTarget().EvaluateExpression(expr,
m_opaque_sp.get(),
unwind_on_error,
fetch_dynamic_value,
keep_in_memory,
*expr_result);
}
if (expr_log)
expr_log->Printf("** [SBFrame::EvaluateExpression] Expression result is %s, summary %s **", expr_result.GetValue(*this), expr_result.GetSummary(*this));
expr_log->Printf("** [SBFrame::EvaluateExpression] Expression result is %s, summary %s **",
expr_result.GetValue(*this),
expr_result.GetSummary(*this));
if (log)
log->Printf ("SBFrame(%p)::EvaluateExpression (expr=\"%s\") => SBValue(%p)", m_opaque_sp.get(), expr, expr_result.get());
log->Printf ("SBFrame(%p)::EvaluateExpression (expr=\"%s\") => SBValue(%p)", m_opaque_sp.get(),
expr,
expr_result.get());
return expr_result;
}