/**
- *
* @file type.h
*
* Project: libFIRM <br>
* @param tp1 The first type to compare.
* @param tp2 The second type to compare.
*/
-//typedef int (*compare_types_func_tp) (type *tp1, type *tp2);
-typedef int (*compare_types_func_tp) (const void *tp1, const void *tp2);
+typedef int (compare_types_func_t)(const void *tp1, const void *tp2);
/** Compares two types by their name.
*
* Compares the opcode and the name of the types. If these are
- * equal returns true, else false.
+ * equal returns 0, else non-zero.
*/
int compare_names (const void *tp1, const void *tp2);
/** Compares two types strict.
*
- * returns true if tp1 == tp2
+ * returns 0 if tp1 == tp2, else non-zero
*/
int compare_strict (const void *tp1, const void *tp2);
-/** A variable that holds a compare function for types.
- *
- * The compare function is used to identify equal types. The
- * variable is initialized with the function compare_strict().
- *
- * The variable must be set before calling init_firm()! Later changes
- * have no effect.
- */
-extern compare_types_func_tp compare_types_func;
-
-
/* ------------------------------------------------------------------------ */
/** Type for a function that computes a hash value for a type.
*
* @param tp The type to compute a hash for.
*/
-typedef int (*hash_types_func_tp)(type *tp);
+typedef int (hash_types_func_t)(type *tp);
/** Computes a hash value by the type name.
*
*/
int hash_name (type *tp);
-/** A variable that holds a hash function for a type.
- *
- * The hash function is used to identify equal types. The
- * variable is initialized with the function hash_name().
- *
- * The variable must be set before calling init_firm()! Later changes
- * have no effect.
- */
-extern hash_types_func_tp hash_types_func;
-
-
/* ------------------------------------------------------------------------ */
/** Finalize type construction.
*/
type * mature_type_free_entities(type *tp);
+/**
+ * The interface type for the type identify module;
+ */
+typedef struct _type_identify_if_t {
+ compare_types_func_t *cmp; /**< The function that should be used to compare two types.
+ If NULL, compare_strict() will be used. */
+ hash_types_func_t *hash; /**< The function that should be used to calculate a hash
+ value of a type. If NULL, hash_name() will be used. */
+} type_identify_if_t;
+
+/**
+ * Initialise the type identifier module.
+ *
+ * @param ti_if The interface functions for this module.
+ *
+ * If the parameter ti_if is NULL, the default functions compare_strict() and
+ * hash_name() will be used.
+ */
+void init_type_identify(type_identify_if_t *ti_if);
+
# endif /* _TYPE_IDENTIFY_H_ */