Maintain the types as separate indexed items in the debug info file.

git-svn-id: svn://svn.cc65.org/cc65/trunk@5263 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/ld65/tpool.h

@@ -38,6 +38,8 @@
 
 
 
+#include <stdio.h>
+
 /* common */
 #include "strpool.h"
 
@@ -49,8 +51,8 @@
 
 
 
-/* An empty type */
-#define EMPTY_TYPE_ID   0U
+/* An invalid type */
+#define INVALID_TYPE_ID   (~0U)
 
 /* The string pool we're using */
 extern StringPool* TypePool;
@@ -83,6 +85,19 @@ INLINE const StrBuf* GetType (unsigned Index)
 #  define GetType(Index)        SP_Get (TypePool, (Index))
 #endif
 
+#if defined(HAVE_INLINE)
+INLINE unsigned TypeCount (void)
+/* Return the number of types in the pool */
+{
+    return SP_GetCount (TypePool);
+}
+#else
+#  define TypeCount()   SP_GetCount (TypePool)
+#endif
+
+void PrintDbgTypes (FILE* F);
+/* Output the types to a debug info file */
+
 void InitTypePool (void);
 /* Initialize the type pool */