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Raising a friendly error on non-identifier syntax bindings (previously silently a useless operation).

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Alex Shinn 2013-01-08 22:43:25 +09:00
parent da328bb88c
commit 2b68fca125
1 changed files with 3 additions and 2 deletions
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5
eval.c
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@ -820,8 +820,9 @@ static sexp analyze_bind_syntax (sexp ls, sexp eval_ctx, sexp bind_ctx) {
sexp_gc_preserve1(eval_ctx, mac);
for ( ; sexp_pairp(ls); ls=sexp_cdr(ls)) {
if (! (sexp_pairp(sexp_car(ls)) && sexp_pairp(sexp_cdar(ls))
&& sexp_nullp(sexp_cddar(ls)))) {
res = sexp_compile_error(eval_ctx, "bad syntax binding", sexp_car(ls));
&& sexp_idp(sexp_caar(ls)) && sexp_nullp(sexp_cddar(ls)))) {
res = sexp_compile_error(eval_ctx, "bad syntax binding", sexp_pairp(ls) ? sexp_car(ls) : ls);
break;
} else {
if (sexp_idp(sexp_cadar(ls)))
mac = sexp_env_ref(sexp_context_env(eval_ctx), sexp_cadar(ls), SEXP_FALSE);