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fixing non-tail-call optimization in some conditional cases

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Alex Shinn 2009-12-29 23:32:29 +09:00
parent 3087302be6
commit b77d102a70
2 changed files with 15 additions and 0 deletions
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13
eval.c
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@ -837,6 +837,7 @@ static void generate_cnd (sexp ctx, sexp cnd) {
sexp_context_depth(ctx)--;
label1 = sexp_context_make_label(ctx);
generate(ctx, sexp_cnd_pass(cnd));
sexp_context_tailp(ctx) = tailp;
emit(ctx, SEXP_OP_JUMP);
sexp_context_depth(ctx)--;
label2 = sexp_context_make_label(ctx);
@ -2354,6 +2355,18 @@ sexp sexp_define_foreign_aux (sexp ctx, sexp env, char *name, int num_args,
return res;
}
sexp sexp_define_foreign_param (sexp ctx, sexp env, char *name, int num_args,
sexp_proc1 f, char *param) {
sexp res;
sexp_gc_var1(tmp);
sexp_gc_preserve1(ctx, tmp);
tmp = sexp_intern(ctx, param);
tmp = sexp_env_cell(env, tmp);
res = sexp_define_foreign_aux(ctx, env, name, num_args, 3, f, tmp);
sexp_gc_release1(ctx);
return res;
}
#if SEXP_USE_TYPE_DEFS
sexp sexp_make_type_predicate (sexp ctx, sexp name, sexp type) {

2
include/chibi/eval.h
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@ -152,6 +152,8 @@ SEXP_API sexp sexp_define_foreign_aux (sexp ctx, sexp env, char *name, int num_a
#define sexp_define_foreign(c,e,s,n,f) sexp_define_foreign_aux(c,e,s,n,0,(sexp_proc1)f,NULL)
#define sexp_define_foreign_opt(c,e,s,n,f,d) sexp_define_foreign_aux(c,e,s,n,1,(sexp_proc1)f,d)
SEXP_API sexp sexp_define_foreign_param (sexp ctx, sexp env, char *name, int num_args, sexp_proc1 f, char *param);
#if SEXP_USE_TYPE_DEFS
SEXP_API sexp sexp_make_type_predicate (sexp ctx, sexp name, sexp type);
SEXP_API sexp sexp_make_constructor (sexp ctx, sexp name, sexp type);