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stop after first compile error in an if (fixes #792)

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This commit is contained in:
Alex Shinn 2021-12-05 09:18:54 +09:00
parent 9a17254536
commit 3080087d8c
1 changed files with 12 additions and 5 deletions
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11
eval.c
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@ -900,11 +900,18 @@ static sexp analyze_if (sexp ctx, sexp x, int depth) {
res = sexp_compile_error(ctx, "too many args to if", x); res = sexp_compile_error(ctx, "too many args to if", x);
} else { } else {
test = analyze(ctx, sexp_cadr(x), depth, 0); test = analyze(ctx, sexp_cadr(x), depth, 0);
if (sexp_exceptionp(test)) {
res = test;
} else {
pass = analyze(ctx, sexp_caddr(x), depth, 0); pass = analyze(ctx, sexp_caddr(x), depth, 0);
if (sexp_exceptionp(pass)) {
res = pass;
} else {
fail_expr = sexp_pairp(sexp_cdddr(x)) ? sexp_cadddr(x) : SEXP_VOID; fail_expr = sexp_pairp(sexp_cdddr(x)) ? sexp_cadddr(x) : SEXP_VOID;
fail = analyze(ctx, fail_expr, depth, 0); fail = analyze(ctx, fail_expr, depth, 0);
res = (sexp_exceptionp(test) ? test : sexp_exceptionp(pass) ? pass : res = sexp_exceptionp(fail) ? fail : sexp_make_cnd(ctx, test, pass, fail);
sexp_exceptionp(fail) ? fail : sexp_make_cnd(ctx, test, pass, fail)); }
}
if (sexp_cndp(res)) sexp_cnd_source(res) = sexp_pair_source(x); if (sexp_cndp(res)) sexp_cnd_source(res) = sexp_pair_source(x);
} }
sexp_gc_release3(ctx); sexp_gc_release3(ctx);