X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fas3%2Fcode.c;h=bdf6daab49f82550b2bc7c7f91a130b4cf4e3132;hb=75b8553b58806406c4378e3685e94883f6703fc0;hp=be85d2e0bc1ba0aea0e8ce794dbdc55aa84ad624;hpb=83279950b8606a2f3a37bc9fbf00a97e2cc5e6b1;p=swftools.git

diff --git a/lib/as3/code.c b/lib/as3/code.c
index be85d2e..bdf6daa 100644
--- a/lib/as3/code.c
+++ b/lib/as3/code.c
@@ -1039,6 +1039,14 @@ code_t* code_end(code_t*code)
         code = code->next;
     return code;
 }
+code_t* code_start(code_t*code)
+{
+    if(!code)
+        return 0;
+    while(code->prev)
+        code = code->prev;
+    return code;
+}
 
 code_t* code_append(code_t*code, code_t*toappend)
 {
@@ -1113,16 +1121,26 @@ code_t*code_dup(code_t*c)
     return last;
 }
 
-code_t*code_cutlast(code_t*c)
+code_t*code_cut(code_t*c)
 {
     if(!c) return c;
-    assert(!c->next);
     code_t*prev = c->prev;
+    code_t*next = c->next;
     c->prev = 0;
-    if(prev)
-        prev->next=0;
+    c->next = 0;
+    if(prev) prev->next=next;
+    if(next) next->prev=prev;
     code_free(c);
-    return prev;
+    
+    if(next) return code_end(next);
+    else     return prev;
+}
+
+code_t*code_cutlast(code_t*c)
+{
+    if(!c) return c;
+    assert(!c->next);
+    return code_cut(c);
 }
 
 code_t* cut_last_push(code_t*c)
@@ -1159,8 +1177,14 @@ code_t* cut_last_push(code_t*c)
             // we can discard these if they're not eating up stack parameters
             if(!c->data[0])
                 return code_cutlast(c);
-        }
-        else
+        } else if(op->stack_minus ==0 && op->stack_plus == 0 && 
+                !(op->flags&~(OP_REGISTER|OP_SET_DXNS)) && c->prev) {
+            // trim code *before* the kill, inclocal, declocal, dxns
+            code_t*p = c->prev; 
+            p->next = 0;
+            c->prev = 0;
+            return code_append(cut_last_push(p), c);
+        } else
             break;
     }
     c = abc_pop(c);