attached is a patch to get the function type information from an SBType.
It's useful when using SBFunction to get the type and access the
function type signature.
Index: include/lldb/API/SBType.h
===================================================================
--- include/lldb/API/SBType.h (revision 165942)
+++ include/lldb/API/SBType.h (working copy)
@@ -141,6 +141,18 @@
lldb::TemplateArgumentKind
GetTemplateArgumentKind (uint32_t idx);
+ bool
+ IsFunctionType ();
+
+ lldb::SBType
+ GetFunctionReturnType ();
+
+ int
+ GetNumberOfFunctionArguments ();
+
+ lldb::SBType
+ GetFunctionArgumentTypeAtIndex (int no);
+
const char*
GetName();
Index: source/API/SBType.cpp
===================================================================
--- source/API/SBType.cpp (revision 165942)
+++ source/API/SBType.cpp (working copy)
@@ -219,7 +219,58 @@
return
SBType(ClangASTType(m_opaque_sp->GetASTContext(),qt.getNonReferenceType().getAsOpaquePtr()));
}
+bool
+SBType::IsFunctionType ()
+{
+ if (!IsValid())
+ return false;
+ QualType qt = QualType::getFromOpaquePtr(m_opaque_sp->GetOpaqueQualType());
+
+ return qt->isFunctionProtoType();
+}
+
+lldb::SBType
+SBType::GetFunctionReturnType ()
+{
+ if (!IsValid())
+ return lldb::SBType();
+ QualType qt = QualType::getFromOpaquePtr(m_opaque_sp->GetOpaqueQualType());
+
+ if (qt->isFunctionProtoType())
+ return SBType(ClangASTType(m_opaque_sp->GetASTContext(),
cast<FunctionProtoType>(qt.getTypePtr())->getResultType().getAsOpaquePtr()));
+ return lldb::SBType();
+}
+
+int
+SBType::GetNumberOfFunctionArguments ()
+{
+ if (!IsValid())
+ return 0;
+ QualType qt = QualType::getFromOpaquePtr(m_opaque_sp->GetOpaqueQualType());
+
+ if (qt->isFunctionProtoType())
+ return cast<FunctionProtoType>(qt.getTypePtr())->getNumArgs();
+ return 0;
+}
+
lldb::SBType
+SBType::GetFunctionArgumentTypeAtIndex (int no)
+{
+ if (!IsValid())
+ return lldb::SBType();
+ QualType qt = QualType::getFromOpaquePtr(m_opaque_sp->GetOpaqueQualType());
+
+ if (qt->isFunctionProtoType()) {
+ const FunctionProtoType* func =
cast<FunctionProtoType>(qt.getTypePtr());
+ if (no >= 0 && no < func->getNumArgs())
+ {
+ return SBType(ClangASTType(m_opaque_sp->GetASTContext(),
func->getArgType(no).getAsOpaquePtr()));
+ }
+ }
+ return lldb::SBType();
+}
+
+lldb::SBType
SBType::GetUnqualifiedType()
{
if (!IsValid())
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