{
#ifdef NDEBUG
fprintf(stderr,
- "insufficient reservation\n")
+ "insufficient reservation\n");
#else
fprintf(stderr,
"insufficient %s reservation in line %d\n",
/* Define a label OP and emit a case statement for OP. For use in the
* dispatch function. The slightly peculiar goto that is never
* executed avoids warnings about unused labels. */
+#if __GNUC__ > 6
+#define CASE(OP) OP: __attribute__((unused)); case OP
+#else
#define CASE(OP) case OP: if (0) goto OP; OP
+#endif
#else /* USE_THREADED_CODE */
#define s_thread_to(sc, a) s_goto(sc, a)
#define CASE(OP) case OP
#endif /* USE_THREADED_CODE */
+#if __GNUC__ > 6
+#define FALLTHROUGH __attribute__ ((fallthrough))
+#else
+#define FALLTHROUGH /* fallthrough */
+#endif
+
/* Return to the previous frame on the dump stack, setting the current
* value to A. */
#define s_return(sc, a) s_goto(sc, _s_return(sc, a, 0))
putstr(sc,"\nEval: ");
s_thread_to(sc,OP_P0LIST);
}
- /* fall through */
+ FALLTHROUGH;
CASE(OP_REAL_EVAL):
#endif
if (is_symbol(sc->code)) { /* symbol */
free_cons(sc, sc->args, &callsite, &sc->args);
sc->code = car(sc->args);
sc->args = cdr(sc->args);
- /* Fallthrough. */
+ FALLTHROUGH;
CASE(OP_APPLY): /* apply 'code' to 'args' */
#if USE_TRACING
putstr(sc,"\nApply to: ");
s_thread_to(sc,OP_P0LIST);
}
- /* fall through */
+ FALLTHROUGH;
CASE(OP_REAL_APPLY):
#endif
#if USE_HISTORY
s_thread_to(sc,OP_APPLY);
}
}
- /* Fallthrough. */
#else
CASE(OP_LAMBDA): /* lambda */
sc->value = sc->code;
- /* Fallthrough. */
#endif
+ FALLTHROUGH;
CASE(OP_LAMBDA1):
gc_disable(sc, 1);
CASE(OP_NULLP): /* null? */
s_retbool(car(sc->args) == sc->NIL);
CASE(OP_NUMEQ): /* = */
- /* Fallthrough. */
CASE(OP_LESS): /* < */
- /* Fallthrough. */
CASE(OP_GRE): /* > */
- /* Fallthrough. */
CASE(OP_LEQ): /* <= */
- /* Fallthrough. */
CASE(OP_GEQ): /* >= */
switch(op) {
case OP_NUMEQ: comp_func=num_eq; break;
s_return(sc,sc->value);
CASE(OP_WRITE): /* write */
- /* Fallthrough. */
CASE(OP_DISPLAY): /* display */
- /* Fallthrough. */
CASE(OP_WRITE_CHAR): /* write-char */
if(is_pair(cdr(sc->args))) {
if(cadr(sc->args)!=sc->outport) {
s_return(sc,sc->outport);
CASE(OP_OPEN_INFILE): /* open-input-file */
- /* Fallthrough. */
CASE(OP_OPEN_OUTFILE): /* open-output-file */
- /* Fallthrough. */
CASE(OP_OPEN_INOUTFILE): /* open-input-output-file */ {
int prop=0;
pointer p;
#if USE_STRING_PORTS
CASE(OP_OPEN_INSTRING): /* open-input-string */
- /* Fallthrough. */
CASE(OP_OPEN_INOUTSTRING): /* open-input-output-string */ {
int prop=0;
pointer p;
s_thread_to(sc,OP_READ_INTERNAL);
CASE(OP_READ_CHAR): /* read-char */
- /* Fallthrough. */
CASE(OP_PEEK_CHAR): /* peek-char */ {
int c;
if(is_pair(sc->args)) {
};
#endif
-scheme *scheme_init_new() {
+scheme *scheme_init_new(void) {
scheme *sc=(scheme*)malloc(sizeof(scheme));
if(!scheme_init(sc)) {
free(sc);
sc->fcells = 0;
sc->inhibit_gc = GC_ENABLED;
sc->reserved_cells = 0;
+#ifndef NDEBUG
sc->reserved_lineno = 0;
+#endif
sc->no_memory=0;
sc->inport=sc->NIL;
sc->outport=sc->NIL;