Added is_Const

[libfirm] / ir / adt / pset.h

diff --git a/ir/adt/pset.h b/ir/adt/pset.h
index 6d93bde..10549e8 100644 (file)
--- a/ir/adt/pset.h
+++ b/ir/adt/pset.h
@@ -16,14 +16,15 @@
 #include <stddef.h>
 
 #include "hashptr.h"
+#include "iterator.h"
 
-/*
- * Define some convenience macros using the predefined hash function.
+/**
+ * The default comparison function for pointers.
+ * @param x A pointer.
+ * @param y A pointer.
+ * @return 0 if @p x and @p y are equal. Some value != 0 otherwise.
  */
-#define pset_insert_ptr(set,key) pset_insert(set, key, HASH_PTR(key))
-#define pset_hinsert_ptr(set,key) pset_hinsert(set, key, HASH_PTR(key))
-#define pset_remove_ptr(set,key) pset_remove(set, key, HASH_PTR(key))
-#define pset_find_ptr(set,key) pset_find(set, key, HASH_PTR(key))
+int pset_default_ptr_cmp(const void *x, const void *y);
 
 /**
  * The abstract type of a pset (Set of pointers).
@@ -35,6 +36,18 @@
  */
 typedef struct pset pset;
 
+/*
+ * Define some convenience macros using the predefined hash function.
+ */
+#define pset_insert_ptr(set,key) pset_insert(set, key, HASH_PTR(key))
+#define pset_hinsert_ptr(set,key) pset_hinsert(set, key, HASH_PTR(key))
+#define pset_remove_ptr(set,key) pset_remove(set, key, HASH_PTR(key))
+#define pset_find_ptr(set,key) pset_find(set, key, HASH_PTR(key))
+#define pset_new_ptr(slots) new_pset(pset_default_ptr_cmp, slots)
+#define pset_new_ptr_default() pset_new_ptr(64)
+void    pset_insert_pset_ptr(pset *target, pset *src); /* Insertss all elements of src in target. */
+
+
 /** The entry of a pset, representing an element pointer in the set and it's meta-information */
 typedef struct {
   unsigned hash;
@@ -89,7 +102,7 @@ int pset_count (pset *pset);
  * @param hash  the hash value of key
  *
  * @return
- *    the pointer of the found element in the pset of NULL if it was not found
+ *    the pointer of the found element in the pset or NULL if it was not found
  */
 void *pset_find (pset *pset, const void *key, unsigned hash);
 
@@ -103,7 +116,7 @@ void *pset_find (pset *pset, const void *key, unsigned hash);
  * @return a pointer to the inserted element
  *
  * @note
- *    It is not possible to insert on element more than once. If a element
+ *    It is not possible to insert an element more than once. If an element
  *    that should be inserted is already in the set, this functions does
  *    nothing but returning its already existing set_entry.
 
@@ -120,7 +133,7 @@ void *pset_insert (pset *pset, const void *key, unsigned hash);
  * @return a pointer to the pset_entry of the inserted element
  *
  * @note
- *    It is not possible to insert on element more than once. If a element
+ *    It is not possible to insert an element more than once. If an element
  *    that should be inserted is already in the pset, this functions does
  *    nothing but returning its pset_entry.
  */
@@ -129,8 +142,8 @@ pset_entry *pset_hinsert (pset *pset, const void *key, unsigned hash);
 /**
  * Removes an element from a pset.
  *
- * @param pset  the pset to insert in
- * @param key   a pointer to the element to be inserted
+ * @param pset  the pset to delete in
+ * @param key   a pointer to the element to be deleted
  * @param hash  the hash-value of the element
  *
  * @return