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/*
* = = == === ===== ======== ============= =====================
* == pt::rde (critcl) - General utilities
*/
#ifndef _RDE_UTIL_H
#define _RDE_UTIL_H 1
#include <tcl.h>
/*
* Default scope, global
*/
#ifndef SCOPE
#define SCOPE
#endif
/*
* Allocation macros for common situations.
*/
#define ALLOC(type) (type *) ckalloc (sizeof (type))
#define NALLOC(n,type) (type *) ckalloc ((n) * sizeof (type))
/*
* General assertions, and asserting the proper range of an array index.
*/
#undef RDE_DEBUG
#define RDE_DEBUG 1
#undef RDE_TRACE
/* #define RDE_TRACE 1 */
/*
* = = == === ===== ======== ============= =====================
*/
#ifdef RDE_DEBUG
#define STOPAFTER(x) { static int count = (x); count --; if (!count) { Tcl_Panic ("stop"); } }
#define XSTR(x) #x
#define STR(x) XSTR(x)
#define RANGEOK(i,n) ((0 <= (i)) && (i < (n)))
#define ASSERT(x,msg) if (!(x)) { Tcl_Panic (msg " (" #x "), in file " __FILE__ " @line " STR(__LINE__));}
#define ASSERT_BOUNDS(i,n) ASSERT (RANGEOK(i,n),"array index out of bounds: " STR(i) " >= " STR(n))
#else
#define STOPAFTER(x)
#define ASSERT(x,msg)
#define ASSERT_BOUNDS(i,n)
#endif
#ifdef RDE_TRACE
SCOPE void trace_enter (const char* fun);
SCOPE void trace_return (const char *pat, ...);
SCOPE void trace_printf (const char *pat, ...);
#define ENTER(fun) trace_enter (fun)
#define RETURN(format,x) trace_return (format,x) ; return x
#define RETURNVOID trace_return ("%s","(void)") ; return
#define TRACE0(x) trace_printf0 x
#define TRACE(x) trace_printf x
#else
#define ENTER(fun)
#define RETURN(f,x) return x
#define RETURNVOID return
#define TRACE0(x)
#define TRACE(x)
#endif
#endif /* _RDE_UTIL_H */
/*
* Local Variables:
* mode: c
* c-basic-offset: 4
* fill-column: 78
* End:
*/
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