added debugging code for PRVM_EDICTFIELD*/PRVM_GLOBALFIELD* macros,

these now warn if the fieldoffset is invalid, and do not crash

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11140 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/progsvm.h b/progsvm.h
index 5dead05e3c0d6a2021cd46c1e2a539170cac31d5..e4f8e12d0e0c1dbe36ade64115390202b2e59320 100644 (file)
--- a/progsvm.h
+++ b/progsvm.h
@@ -115,6 +115,22 @@ typedef struct prvm_edict_s
        } fields;
 } prvm_edict_t;
 
+extern prvm_eval_t prvm_badvalue;
+
+#if 1
+#define PRVM_EDICTFIELDVALUE(ed, fieldoffset)    (fieldoffset < 0 ? Con_Printf("Invalid fieldoffset at %s:%i\n", __FILE__, __LINE__), &prvm_badvalue : (prvm_eval_t *)((int *)ed->fields.vp + fieldoffset))
+#define PRVM_EDICTFIELDFLOAT(ed, fieldoffset)    (PRVM_EDICTFIELDVALUE(ed, fieldoffset)->_float)
+#define PRVM_EDICTFIELDVECTOR(ed, fieldoffset)   (PRVM_EDICTFIELDVALUE(ed, fieldoffset)->vector)
+#define PRVM_EDICTFIELDSTRING(ed, fieldoffset)   (PRVM_EDICTFIELDVALUE(ed, fieldoffset)->string)
+#define PRVM_EDICTFIELDEDICT(ed, fieldoffset)    (PRVM_EDICTFIELDVALUE(ed, fieldoffset)->edict)
+#define PRVM_EDICTFIELDFUNCTION(ed, fieldoffset) (PRVM_EDICTFIELDVALUE(ed, fieldoffset)->function)
+#define PRVM_GLOBALFIELDVALUE(fieldoffset)       (fieldoffset < 0 ? Con_Printf("Invalid fieldoffset at %s:%i\n", __FILE__, __LINE__), &prvm_badvalue : (prvm_eval_t *)((int *)prog->globals.generic + fieldoffset))
+#define PRVM_GLOBALFIELDFLOAT(fieldoffset)       (PRVM_GLOBALFIELDVALUE(fieldoffset)->_float)
+#define PRVM_GLOBALFIELDVECTOR(fieldoffset)      (PRVM_GLOBALFIELDVALUE(fieldoffset)->vector)
+#define PRVM_GLOBALFIELDSTRING(fieldoffset)      (PRVM_GLOBALFIELDVALUE(fieldoffset)->string)
+#define PRVM_GLOBALFIELDEDICT(fieldoffset)       (PRVM_GLOBALFIELDVALUE(fieldoffset)->edict)
+#define PRVM_GLOBALFIELDFUNCTION(fieldoffset)    (PRVM_GLOBALFIELDVALUE(fieldoffset)->function)
+#else
 #define PRVM_EDICTFIELDVALUE(ed, fieldoffset) ((prvm_eval_t *)((int *)ed->fields.vp + fieldoffset))
 #define PRVM_EDICTFIELDFLOAT(ed, fieldoffset) (((prvm_eval_t *)((int *)ed->fields.vp + fieldoffset))->_float)
 #define PRVM_EDICTFIELDVECTOR(ed, fieldoffset) (((prvm_eval_t *)((int *)ed->fields.vp + fieldoffset))->vector)
@@ -127,6 +143,7 @@ typedef struct prvm_edict_s
 #define PRVM_GLOBALFIELDSTRING(fieldoffset) (((prvm_eval_t *)((int *)prog->globals.generic + fieldoffset))->string)
 #define PRVM_GLOBALFIELDEDICT(fieldoffset) (((prvm_eval_t *)((int *)prog->globals.generic + fieldoffset))->edict)
 #define PRVM_GLOBALFIELDFUNCTION(fieldoffset) (((prvm_eval_t *)((int *)prog->globals.generic + fieldoffset))->function)
+#endif
 
 //============================================================================
 #define PRVM_OP_STATE          1