[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [59222] trunk/blender/source/blender: add assert for hashes if an existing element is ever inserted into a ghash /edgehash.

Campbell Barton ideasman42 at gmail.com
Sun Aug 18 02:36:05 CEST 2013


Revision: 59222
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=59222
Author:   campbellbarton
Date:     2013-08-18 00:36:04 +0000 (Sun, 18 Aug 2013)
Log Message:
-----------
add assert for hashes if an existing element is ever inserted into a ghash/edgehash.

the outliner does this intentionally, so add a flag to allow this situation optionally.

Modified Paths:
--------------
    trunk/blender/source/blender/blenlib/BLI_edgehash.h
    trunk/blender/source/blender/blenlib/BLI_ghash.h
    trunk/blender/source/blender/blenlib/intern/BLI_ghash.c
    trunk/blender/source/blender/blenlib/intern/edgehash.c
    trunk/blender/source/blender/editors/space_outliner/outliner_tree.c
    trunk/blender/source/blender/makesdna/DNA_space_types.h

Modified: trunk/blender/source/blender/blenlib/BLI_edgehash.h
===================================================================
--- trunk/blender/source/blender/blenlib/BLI_edgehash.h	2013-08-18 00:13:51 UTC (rev 59221)
+++ trunk/blender/source/blender/blenlib/BLI_edgehash.h	2013-08-18 00:36:04 UTC (rev 59222)
@@ -36,6 +36,10 @@
 
 typedef void (*EdgeHashFreeFP)(void *key);
 
+enum {
+	EDGEHASH_FLAG_ALLOW_DUPES = (1 << 0),  /* only checked for in debug mode */
+};
+
 EdgeHash       *BLI_edgehash_new(void);
 void            BLI_edgehash_free(EdgeHash *eh, EdgeHashFreeFP valfreefp);
 
@@ -65,6 +69,9 @@
 /* Remove all edges from hash. */
 void            BLI_edgehash_clear(EdgeHash *eh, EdgeHashFreeFP valfreefp);
 
+void            BLI_edgehash_flag_set(EdgeHash *eh, unsigned short flag);
+void            BLI_edgehash_flag_clear(EdgeHash *eh, unsigned short flag);
+
 /***/
 
 /**

Modified: trunk/blender/source/blender/blenlib/BLI_ghash.h
===================================================================
--- trunk/blender/source/blender/blenlib/BLI_ghash.h	2013-08-18 00:13:51 UTC (rev 59221)
+++ trunk/blender/source/blender/blenlib/BLI_ghash.h	2013-08-18 00:36:04 UTC (rev 59222)
@@ -42,28 +42,18 @@
 typedef void          (*GHashKeyFreeFP)  (void *key);
 typedef void          (*GHashValFreeFP)  (void *val);
 
-typedef struct Entry {
-	struct Entry *next;
+typedef struct GHash GHash;
 
-	void *key, *val;
-} Entry;
-
-typedef struct GHash {
-	GHashHashFP hashfp;
-	GHashCmpFP cmpfp;
-
-	Entry **buckets;
-	struct BLI_mempool *entrypool;
-	unsigned int nbuckets;
-	unsigned int nentries, cursize;
-} GHash;
-
 typedef struct GHashIterator {
 	GHash *gh;
 	unsigned int curBucket;
 	struct Entry *curEntry;
 } GHashIterator;
 
+enum {
+	GHASH_FLAG_ALLOW_DUPES = (1 << 0),  /* only checked for in debug mode */
+};
+
 /* *** */
 
 GHash *BLI_ghash_new(GHashHashFP hashfp, GHashCmpFP cmpfp, const char *info);
@@ -75,6 +65,8 @@
 void  *BLI_ghash_pop(GHash *gh, void *key, GHashKeyFreeFP keyfreefp);
 bool   BLI_ghash_haskey(GHash *gh, const void *key);
 int    BLI_ghash_size(GHash *gh);
+void   BLI_ghash_flag_set(GHash *gh, unsigned short flag);
+void   BLI_ghash_flag_clear(GHash *gh, unsigned short flag);
 
 /* *** */
 

Modified: trunk/blender/source/blender/blenlib/intern/BLI_ghash.c
===================================================================
--- trunk/blender/source/blender/blenlib/intern/BLI_ghash.c	2013-08-18 00:13:51 UTC (rev 59221)
+++ trunk/blender/source/blender/blenlib/intern/BLI_ghash.c	2013-08-18 00:36:04 UTC (rev 59222)
@@ -62,6 +62,27 @@
 
 /***/
 
+typedef struct Entry {
+	struct Entry *next;
+
+	void *key, *val;
+} Entry;
+
+typedef struct GHash {
+	GHashHashFP hashfp;
+	GHashCmpFP cmpfp;
+
+	Entry **buckets;
+	struct BLI_mempool *entrypool;
+	unsigned int nbuckets;
+	unsigned int nentries;
+	unsigned short cursize, flag;
+} GHash;
+
+
+/* -------------------------------------------------------------------- */
+/* GHash API */
+
 GHash *BLI_ghash_new(GHashHashFP hashfp, GHashCmpFP cmpfp, const char *info)
 {
 	GHash *gh = MEM_mallocN(sizeof(*gh), info);
@@ -88,6 +109,8 @@
 	unsigned int hash = gh->hashfp(key) % gh->nbuckets;
 	Entry *e = (Entry *)BLI_mempool_alloc(gh->entrypool);
 
+	BLI_assert((gh->flag & GHASH_FLAG_ALLOW_DUPES) || (BLI_ghash_haskey(gh, key) == 0));
+
 	e->next = gh->buckets[hash];
 	e->key = key;
 	e->val = val;
@@ -252,8 +275,20 @@
 	MEM_freeN(gh);
 }
 
-/***/
+void BLI_ghash_flag_set(GHash *gh, unsigned short flag)
+{
+	gh->flag |= flag;
+}
 
+void BLI_ghash_flag_clear(GHash *gh, unsigned short flag)
+{
+	gh->flag &= (unsigned short)~flag;
+}
+
+
+/* -------------------------------------------------------------------- */
+/* GHash Iterator API */
+
 GHashIterator *BLI_ghashIterator_new(GHash *gh)
 {
 	GHashIterator *ghi = MEM_mallocN(sizeof(*ghi), "ghash iterator");

Modified: trunk/blender/source/blender/blenlib/intern/edgehash.c
===================================================================
--- trunk/blender/source/blender/blenlib/intern/edgehash.c	2013-08-18 00:13:51 UTC (rev 59221)
+++ trunk/blender/source/blender/blenlib/intern/edgehash.c	2013-08-18 00:36:04 UTC (rev 59222)
@@ -76,7 +76,8 @@
 struct EdgeHash {
 	EdgeEntry **buckets;
 	BLI_mempool *epool;
-	unsigned int nbuckets, nentries, cursize;
+	unsigned int nbuckets, nentries;
+	unsigned short cursize, flag;
 };
 
 /***/
@@ -100,6 +101,8 @@
 	unsigned int hash;
 	EdgeEntry *e = BLI_mempool_alloc(eh->epool);
 
+	BLI_assert((eh->flag & EDGEHASH_FLAG_ALLOW_DUPES) || (BLI_edgehash_haskey(eh, v0, v1) == 0));
+
 	/* this helps to track down errors with bad edge data */
 	BLI_assert(v0 != v1);
 
@@ -199,6 +202,16 @@
 }
 
 
+void BLI_edgehash_flag_set(EdgeHash *eh, unsigned short flag)
+{
+	eh->flag |= flag;
+}
+
+void BLI_edgehash_flag_clear(EdgeHash *eh, unsigned short flag)
+{
+	eh->flag &= (unsigned short)~flag;
+}
+
 /***/
 
 struct EdgeHashIterator {

Modified: trunk/blender/source/blender/editors/space_outliner/outliner_tree.c
===================================================================
--- trunk/blender/source/blender/editors/space_outliner/outliner_tree.c	2013-08-18 00:13:51 UTC (rev 59221)
+++ trunk/blender/source/blender/editors/space_outliner/outliner_tree.c	2013-08-18 00:36:04 UTC (rev 59222)
@@ -194,6 +194,7 @@
 	}
 	if (soops->treehash == NULL) {
 		soops->treehash = BLI_ghash_new(tse_hash, tse_cmp, "treehash");
+		BLI_ghash_flag_set(soops->treehash, GHASH_FLAG_ALLOW_DUPES);
 	}
 	
 	if (restore_treehash) {

Modified: trunk/blender/source/blender/makesdna/DNA_space_types.h
===================================================================
--- trunk/blender/source/blender/makesdna/DNA_space_types.h	2013-08-18 00:13:51 UTC (rev 59221)
+++ trunk/blender/source/blender/makesdna/DNA_space_types.h	2013-08-18 00:36:04 UTC (rev 59222)
@@ -253,7 +253,7 @@
 	struct TreeStoreElem search_tse;
 
 	short flag, outlinevis, storeflag, search_flags;
-	struct GHash *treehash;
+	struct GHash *treehash;  /* note, allows duplicates */
 } SpaceOops;
 
 




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