Add WIP prototype for separate generation of declarations and body

instead of just static inline functions.
Implemented for list only (and not for emplace generations)

m-core.h

@@ -449,6 +449,48 @@ M_BEGIN_PROTECTED_CODE
 #define M_UNLIKELY_NOMEM(cond) M_UNLIKELY(cond)
 
 
+/***************************************************************/
+/****************** Function Generation Macro ******************/
+/***************************************************************/
+
+/*
+ * Define the expansion logic to define a public / private / type function
+ * for inline expansion
+ */
+#define M_EXPAND_FUNC_INLINE(proto, ...)                                      \
+  static inline proto __VA_ARGS__
+
+#define M_EXPAND_FUNC_INLINE_PRIVATE(...)                                     \
+  __VA_ARGS__
+
+#define M_EXPAND_FUNC_INLINE_TYPE(...)                                        \
+  __VA_ARGS__
+
+/*
+ * Define the expansion logic to define a public / private / type function
+ * for inline expansion
+ */
+#define M_EXPAND_FUNC_DECL(proto, ...)                                        \
+  extern proto;
+
+#define M_EXPAND_FUNC_DECL_PRIVATE(...)
+
+#define M_EXPAND_FUNC_DECL_TYPE(...)                                          \
+  __VA_ARGS__
+
+/*
+ * Define the expansion logic to define a public / private / type function
+ * for inline expansion
+ */
+#define M_EXPAND_FUNC_BODY(proto, ...)                                        \
+  proto __VA_ARGS__
+
+#define M_EXPAND_FUNC_BODY_PRIVATE(...)                                       \
+  __VA_ARGS__
+
+#define M_EXPAND_FUNC_BODY_TYPE(...)
+
+
 /***************************************************************/
 /****************** Preprocessing Times Macro ******************/
 /***************************************************************/

m-i-list.h

@@ -26,7 +26,7 @@
 #define MSTARLIB_I_LIST_H
 
 #include "m-core.h"
-#include "m-list.h" // For M_L1ST_ITBASE_DEF
+#include "m-list.h" // For M_L1ST_DEF_ITBASE
 
 /* Interface to add to a structure to enable intrusive doubly-linked support.
    name: name of the intrusive list.
@@ -169,7 +169,7 @@ typedef struct m_il1st_head_s {
   M_CHECK_COMPATIBLE_OPLIST(name, 1, type, oplist)                            \
   M_IL1ST_DEF_CORE(name, type, oplist, list_t, it_t)                          \
   /* Used of internal macro from m-list */                                    \
-  M_L1ST_ITBASE_DEF(name, type, oplist, list_t, it_t)
+  M_L1ST_DEF_ITBASE(M_EXPAND_FUNC_INLINE, name, type, oplist, list_t, it_t)
 
 /* Define the type of an intrusive list */
 #define M_IL1ST_DEF_TYPE(name, type, oplist, list_t, it_t)                    \