Add support for creating derived types to DwarfType.

src/apps/debugger/debug_info/DwarfTypes.cpp

@@ -1,5 +1,6 @@
 /*
  * Copyright 2009-2012, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Copryight 2012, Rene Gollent, rene@gollent.com.
  * Distributed under the terms of the MIT License.
  */
 
@@ -225,6 +226,21 @@ DwarfType::ByteSize() const
 }
 
 
+status_t
+DwarfType::CreateDerivedAddressType(address_type_kind addressType,
+	AddressType*& _resultType)
+{
+	DwarfAddressType* resultType = new(std::nothrow)
+		DwarfAddressType(fTypeContext, fName, NULL, addressType, this);
+
+	if (resultType == NULL)
+		return B_NO_MEMORY;
+
+	_resultType = resultType;
+	return B_OK;
+}
+
+
 status_t
 DwarfType::ResolveObjectDataLocation(const ValueLocation& objectLocation,
 	ValueLocation*& _location)

src/apps/debugger/debug_info/DwarfTypes.h

@@ -1,5 +1,6 @@
 /*
  * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Copryight 2012, Rene Gollent, rene@gollent.com.
  * Distributed under the terms of the MIT License.
  */
 #ifndef DWARF_TYPES_H
@@ -107,6 +108,10 @@ public:
 	virtual	const BString&		Name() const;
 	virtual	target_size_t		ByteSize() const;
 
+	virtual status_t			CreateDerivedAddressType(
+									address_type_kind kind,
+									AddressType*& _resultType);
+
 	virtual	status_t			ResolveObjectDataLocation(
 									const ValueLocation& objectLocation,
 									ValueLocation*& _location);

src/apps/debugger/model/Type.cpp

@@ -87,6 +87,15 @@ Type::ResolveRawType(bool nextOneOnly) const
 }
 
 
+status_t
+Type::CreateDerivedAddressType(address_type_kind kind,
+	AddressType*& _resultType)
+{
+	_resultType = NULL;
+	return B_ERROR;
+}
+
+
 // #pragma mark - PrimitiveType
 
 

src/apps/debugger/model/Type.h

@@ -52,6 +52,7 @@ enum {
 };
 
 
+class AddressType;
 class ArrayIndexPath;
 class BString;
 class Type;
@@ -117,6 +118,12 @@ public:
 									// strips modifiers and typedefs (only one,
 									// if requested)
 
+
+	// TODO: also need the ability to derive array types
+	virtual status_t			CreateDerivedAddressType(
+									address_type_kind kind,
+									AddressType*& _resultType);
+
 	virtual	status_t			ResolveObjectDataLocation(
 									const ValueLocation& objectLocation,
 									ValueLocation*& _location) = 0;