Added DelCodeEntries

git-svn-id: svn://svn.cc65.org/cc65/trunk@730 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/src/cc65/codeseg.c b/src/cc65/codeseg.c
index 8cf8bb070a9bee056c1fd81d544c304bf46e8b60..ed2819de9506ea3a4f63d8c0646c218cfed8acb9 100644 (file)
--- a/src/cc65/codeseg.c
+++ b/src/cc65/codeseg.c
@@ -181,7 +181,7 @@ static const char* ReadToken (const char* L, const char* Term,
     /* Return the updated line pointer */
     return L;
 }
-       
+
 
 
 static CodeEntry* ParseInsn (CodeSeg* S, const char* L)
@@ -527,6 +527,21 @@ void DelCodeEntry (CodeSeg* S, unsigned Index)
 
 
 
+void DelCodeEntries (CodeSeg* S, unsigned Start, unsigned Count)
+/* Delete a range of code entries. This includes removing references to labels,
+ * labels attached to the entries and so on.
+ */
+{
+    /* Start deleting the entries from the rear, because this involves less
+     * memory moving.
+     */
+    while (Count--) {
+       DelCodeEntry (S, Start + Count);
+    }
+}
+
+
+
 struct CodeEntry* GetNextCodeEntry (CodeSeg* S, unsigned Index)
 /* Get the code entry following the one with the index Index. If there is no
  * following code entry, return NULL.

diff --git a/src/cc65/codeseg.h b/src/cc65/codeseg.h
index dd9105c3a0adae61f318bdf0a70b82ea4a74c261..1dc632638a2da3a9429d0cae994545d71a96bdac 100644 (file)
--- a/src/cc65/codeseg.h
+++ b/src/cc65/codeseg.h
@@ -107,6 +107,11 @@ void DelCodeEntry (CodeSeg* S, unsigned Index);
  * if the reference count drops to zero.
  */
 
+void DelCodeEntries (CodeSeg* S, unsigned Start, unsigned Count);
+/* Delete a range of code entries. This includes removing references to labels,
+ * labels attached to the entries and so on.
+ */
+
 #if defined(HAVE_INLINE)
 INLINE struct CodeEntry* GetCodeEntry (CodeSeg* S, unsigned Index)
 /* Get an entry from the given code segment */
@@ -123,7 +128,7 @@ struct CodeEntry* GetNextCodeEntry (CodeSeg* S, unsigned Index);
  */
 
 int GetCodeEntries (CodeSeg* S, struct CodeEntry** List,
-                           unsigned Start, unsigned Count);
+                           unsigned Start, unsigned Count);
 /* Get Count code entries into List starting at index start. Return true if
  * we got the lines, return false if not enough lines were available.
  */