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setting correct top in sexp_apply

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Alex Shinn 2009-11-05 18:54:25 +09:00
parent 9c128c49fa
commit 58a6724dea
1 changed files with 7 additions and 5 deletions
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12
eval.c
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@ -2264,18 +2264,20 @@ sexp sexp_env_copy (sexp ctx, sexp to, sexp from, sexp ls) {
/************************** eval interface ****************************/ /************************** eval interface ****************************/
sexp sexp_apply (sexp ctx, sexp proc, sexp args) { sexp sexp_apply (sexp ctx, sexp proc, sexp args) {
sexp ls, *stack = sexp_stack_data(sexp_context_stack(ctx)); sexp res, ls, *stack = sexp_stack_data(sexp_context_stack(ctx));
sexp_sint_t top = sexp_context_top(ctx), offset; sexp_sint_t top = sexp_context_top(ctx), len, offset;
offset = top + sexp_unbox_fixnum(sexp_length(ctx, args)); len = sexp_unbox_fixnum(sexp_length(ctx, args));
offset = top + len;
for (ls=args; sexp_pairp(ls); ls=sexp_cdr(ls), top++) for (ls=args; sexp_pairp(ls); ls=sexp_cdr(ls), top++)
stack[--offset] = sexp_car(ls); stack[--offset] = sexp_car(ls);
stack[top] = sexp_make_fixnum(top); stack[top] = sexp_make_fixnum(len);
top++; top++;
sexp_context_top(ctx) = top + 3; sexp_context_top(ctx) = top + 3;
stack[top++] = sexp_make_fixnum(0); stack[top++] = sexp_make_fixnum(0);
stack[top++] = final_resumer; stack[top++] = final_resumer;
stack[top++] = sexp_make_fixnum(0); stack[top++] = sexp_make_fixnum(0);
return sexp_vm(ctx, proc); res = sexp_vm(ctx, proc);
return res;
} }
sexp sexp_compile (sexp ctx, sexp x) { sexp sexp_compile (sexp ctx, sexp x) {