Nasal: allow ghost as 'me' for 'call'

[simgear.git] / simgear / nasal / misc.c

diff --git a/simgear/nasal/misc.c b/simgear/nasal/misc.c
index 85a9f126440462915e16a60bcf3d1fa7238ddc24..5a531d536d7d2a0cd0bccfb1c92a2323c8cbeb18 100644 (file)
--- a/simgear/nasal/misc.c
+++ b/simgear/nasal/misc.c
@@ -77,8 +77,9 @@ naRef naNew(struct Context* c, int type)
 naRef naNewString(struct Context* c)
 {
     naRef s = naNew(c, T_STR);
-    PTR(s).str->len = 0;
-    PTR(s).str->data = 0;
+    PTR(s).str->emblen = 0;
+    PTR(s).str->data.ref.len = 0;
+    PTR(s).str->data.ref.ptr = 0;
     PTR(s).str->hashcode = 0;
     return s;
 }
@@ -106,6 +107,24 @@ naRef naNewCCode(struct Context* c, naCFunction fptr)
 {
     naRef r = naNew(c, T_CCODE);
     PTR(r).ccode->fptr = fptr;
+    PTR(r).ccode->fptru = 0;
+    return r;
+}
+
+naRef naNewCCodeU(struct Context* c, naCFunctionU fptr, void* user_data)
+{
+    return naNewCCodeUD(c, fptr, user_data, 0);
+}
+
+naRef naNewCCodeUD( struct Context* c,
+                    naCFunctionU fptr,
+                    void* user_data,
+                    void (*destroy)(void*) )
+{
+    naRef r = naNew(c, T_CCODE);
+    PTR(r).ccode->fptru = fptr;
+    PTR(r).ccode->user_data = user_data;
+    PTR(r).ccode->destroy = destroy;
     return r;
 }
 
@@ -120,12 +139,25 @@ naRef naNewFunc(struct Context* c, naRef code)
 
 naRef naNewGhost(naContext c, naGhostType* type, void* ptr)
 {
-    naRef ghost = naNew(c, T_GHOST);
+    naRef ghost;
+    // ensure 'simple' ghost users don't see garbage for these fields
+    type->get_member = 0;
+    type->set_member = 0;
+    
+    ghost = naNew(c, T_GHOST);
     PTR(ghost).ghost->gtype = type;
     PTR(ghost).ghost->ptr = ptr;
     return ghost;
 }
 
+naRef naNewGhost2(naContext c, naGhostType* t, void* ptr)
+{
+    naRef ghost = naNew(c, T_GHOST);
+    PTR(ghost).ghost->gtype = t;
+    PTR(ghost).ghost->ptr = ptr;
+    return ghost;
+}
+
 naGhostType* naGhost_type(naRef ghost)
 {
     if(!IS_GHOST(ghost)) return 0;
@@ -177,12 +209,13 @@ int naEqual(naRef a, naRef b)
 int naStrEqual(naRef a, naRef b)
 {
     int i;
-    if(!(IS_STR(a) && IS_STR(b)))
-        return 0;
-    if(PTR(a).str->len != PTR(b).str->len)
+    char *ap, *bp;
+    if(!IS_STR(a) || !IS_STR(b) || naStr_len(a) != naStr_len(b))
         return 0;
-    for(i=0; i<PTR(a).str->len; i++)
-        if(PTR(a).str->data[i] != PTR(b).str->data[i])
+    ap = naStr_data(a);
+    bp = naStr_data(b);
+    for(i=0; i<naStr_len(a); i++)
+        if(ap[i] != bp[i])
             return 0;
     return 1;
 }
@@ -211,6 +244,7 @@ int naIsFunc(naRef r)   { return IS_FUNC(r); }
 int naIsCode(naRef r)   { return IS_CODE(r); }
 int naIsCCode(naRef r)  { return IS_CCODE(r); }
 int naIsGhost(naRef r)  { return IS_GHOST(r); }
+int naIsIdentical(naRef l, naRef r) { return IDENTICAL(l, r); }
 
 void naSetUserData(naContext c, void* p) { c->userData = p; }
 void* naGetUserData(naContext c)