Nuke CXXFormatterFunctions.cpp - split the contents of it across different files, so that things are better organized along the C++/ObjC line
This is preparatory work for moving these formatters into language categories
llvm-svn: 246827
diff --git a/lldb/source/DataFormatters/FormattersHelpers.cpp b/lldb/source/DataFormatters/FormattersHelpers.cpp
index cbded9d..ba5f6c0 100644
--- a/lldb/source/DataFormatters/FormattersHelpers.cpp
+++ b/lldb/source/DataFormatters/FormattersHelpers.cpp
@@ -18,6 +18,8 @@
#include "lldb/Core/ConstString.h"
#include "lldb/Core/RegularExpression.h"
+#include "lldb/Target/StackFrame.h"
+#include "lldb/Target/Thread.h"
using namespace lldb;
using namespace lldb_private;
@@ -118,3 +120,178 @@
category_sp->GetTypeFiltersContainer()->Add(type_name,filter_sp);
}
#endif
+
+StackFrame*
+lldb_private::formatters::GetViableFrame (ExecutionContext exe_ctx)
+{
+ StackFrame* frame = exe_ctx.GetFramePtr();
+ if (frame)
+ return frame;
+
+ Process* process = exe_ctx.GetProcessPtr();
+ if (!process)
+ return nullptr;
+
+ ThreadSP thread_sp(process->GetThreadList().GetSelectedThread());
+ if (thread_sp)
+ return thread_sp->GetSelectedFrame().get();
+ return nullptr;
+}
+
+bool
+lldb_private::formatters::ExtractValueFromObjCExpression (ValueObject &valobj,
+ const char* target_type,
+ const char* selector,
+ uint64_t &value)
+{
+ if (!target_type || !*target_type)
+ return false;
+ if (!selector || !*selector)
+ return false;
+ StreamString expr;
+ expr.Printf("(%s)[(id)0x%" PRIx64 " %s]",target_type,valobj.GetPointerValue(),selector);
+ ExecutionContext exe_ctx (valobj.GetExecutionContextRef());
+ lldb::ValueObjectSP result_sp;
+ Target* target = exe_ctx.GetTargetPtr();
+ StackFrame* stack_frame = GetViableFrame(exe_ctx);
+ if (!target || !stack_frame)
+ return false;
+
+ EvaluateExpressionOptions options;
+ options.SetCoerceToId(false);
+ options.SetUnwindOnError(true);
+ options.SetKeepInMemory(true);
+
+ target->EvaluateExpression(expr.GetData(),
+ stack_frame,
+ result_sp,
+ options);
+ if (!result_sp)
+ return false;
+ value = result_sp->GetValueAsUnsigned(0);
+ return true;
+}
+
+bool
+lldb_private::formatters::ExtractSummaryFromObjCExpression (ValueObject &valobj,
+ const char* target_type,
+ const char* selector,
+ Stream &stream)
+{
+ if (!target_type || !*target_type)
+ return false;
+ if (!selector || !*selector)
+ return false;
+ StreamString expr;
+ expr.Printf("(%s)[(id)0x%" PRIx64 " %s]",target_type,valobj.GetPointerValue(),selector);
+ ExecutionContext exe_ctx (valobj.GetExecutionContextRef());
+ lldb::ValueObjectSP result_sp;
+ Target* target = exe_ctx.GetTargetPtr();
+ StackFrame* stack_frame = GetViableFrame(exe_ctx);
+ if (!target || !stack_frame)
+ return false;
+
+ EvaluateExpressionOptions options;
+ options.SetCoerceToId(false);
+ options.SetUnwindOnError(true);
+ options.SetKeepInMemory(true);
+ options.SetUseDynamic(lldb::eDynamicCanRunTarget);
+
+ target->EvaluateExpression(expr.GetData(),
+ stack_frame,
+ result_sp,
+ options);
+ if (!result_sp)
+ return false;
+ stream.Printf("%s",result_sp->GetSummaryAsCString());
+ return true;
+}
+
+lldb::ValueObjectSP
+lldb_private::formatters::CallSelectorOnObject (ValueObject &valobj,
+ const char* return_type,
+ const char* selector,
+ uint64_t index)
+{
+ lldb::ValueObjectSP valobj_sp;
+ if (!return_type || !*return_type)
+ return valobj_sp;
+ if (!selector || !*selector)
+ return valobj_sp;
+ StreamString expr_path_stream;
+ valobj.GetExpressionPath(expr_path_stream, false);
+ StreamString expr;
+ expr.Printf("(%s)[%s %s:%" PRId64 "]",return_type,expr_path_stream.GetData(),selector,index);
+ ExecutionContext exe_ctx (valobj.GetExecutionContextRef());
+ lldb::ValueObjectSP result_sp;
+ Target* target = exe_ctx.GetTargetPtr();
+ StackFrame* stack_frame = GetViableFrame(exe_ctx);
+ if (!target || !stack_frame)
+ return valobj_sp;
+
+ EvaluateExpressionOptions options;
+ options.SetCoerceToId(false);
+ options.SetUnwindOnError(true);
+ options.SetKeepInMemory(true);
+ options.SetUseDynamic(lldb::eDynamicCanRunTarget);
+
+ target->EvaluateExpression(expr.GetData(),
+ stack_frame,
+ valobj_sp,
+ options);
+ return valobj_sp;
+}
+
+lldb::ValueObjectSP
+lldb_private::formatters::CallSelectorOnObject (ValueObject &valobj,
+ const char* return_type,
+ const char* selector,
+ const char* key)
+{
+ lldb::ValueObjectSP valobj_sp;
+ if (!return_type || !*return_type)
+ return valobj_sp;
+ if (!selector || !*selector)
+ return valobj_sp;
+ if (!key || !*key)
+ return valobj_sp;
+ StreamString expr_path_stream;
+ valobj.GetExpressionPath(expr_path_stream, false);
+ StreamString expr;
+ expr.Printf("(%s)[%s %s:%s]",return_type,expr_path_stream.GetData(),selector,key);
+ ExecutionContext exe_ctx (valobj.GetExecutionContextRef());
+ lldb::ValueObjectSP result_sp;
+ Target* target = exe_ctx.GetTargetPtr();
+ StackFrame* stack_frame = GetViableFrame(exe_ctx);
+ if (!target || !stack_frame)
+ return valobj_sp;
+
+ EvaluateExpressionOptions options;
+ options.SetCoerceToId(false);
+ options.SetUnwindOnError(true);
+ options.SetKeepInMemory(true);
+ options.SetUseDynamic(lldb::eDynamicCanRunTarget);
+
+ target->EvaluateExpression(expr.GetData(),
+ stack_frame,
+ valobj_sp,
+ options);
+ return valobj_sp;
+}
+
+size_t
+lldb_private::formatters::ExtractIndexFromString (const char* item_name)
+{
+ if (!item_name || !*item_name)
+ return UINT32_MAX;
+ if (*item_name != '[')
+ return UINT32_MAX;
+ item_name++;
+ char* endptr = NULL;
+ unsigned long int idx = ::strtoul(item_name, &endptr, 0);
+ if (idx == 0 && endptr == item_name)
+ return UINT32_MAX;
+ if (idx == ULONG_MAX)
+ return UINT32_MAX;
+ return idx;
+}