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Code Issues 1 Releases Wiki Activity

Fix order in which *macro-lints* is set during expansion

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Previously, `*macro-lints*` was set after the `macroexpand1` fiber was
resumed, rather than just before.  And, `*macro-lints*` was never
cleared.  This behavior was typically fine since the main users of
`compile` pass the same lint array repeatedly, and the first macro
expansion (somewhere in boot.janet) never produces a lint.  But, when
compiling with a fresh lint array, if the first macro invocation
produced a lint, the lint was always lost.
This commit is contained in:
Christopher Chambers 2023-06-09 12:32:14 -04:00
parent 0bd6e85c61
commit 52d3470cbe
2 changed files with 12 additions and 4 deletions
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8
src/core/compile.c
View File

@ -746,12 +746,14 @@ static int macroexpand1(
int lock = janet_gclock();
Janet mf_kw = janet_ckeywordv("macro-form");
janet_table_put(c->env, mf_kw, x);
Janet ml_kw = janet_ckeywordv("macro-lints");
if (c->lints) {
janet_table_put(c->env, ml_kw, janet_wrap_array(c->lints));
}
Janet tempOut;
JanetSignal status = janet_continue(fiberp, janet_wrap_nil(), &tempOut);
janet_table_put(c->env, mf_kw, janet_wrap_nil());
if (c->lints) {
janet_table_put(c->env, janet_ckeywordv("macro-lints"), janet_wrap_array(c->lints));
}
janet_table_put(c->env, ml_kw, janet_wrap_nil());
janet_gcunlock(lock);
if (status != JANET_SIGNAL_OK) {
const uint8_t *es = janet_formatc("(macro) %V", tempOut);

8
test/suite-boot.janet
View File

@ -877,5 +877,11 @@
(assert (= (thunk) 1) "delay 3")
(assert (= counter 1) "delay 4")
(end-suite)
# maclintf
(def env (table/clone (curenv)))
((compile '(defmacro foo [] (maclintf :strict "oops")) env :anonymous))
(def lints @[])
(compile (tuple/setmap '(foo) 1 2) env :anonymous lints)
(assert (deep= lints @[[:strict 1 2 "oops"]]) "maclintf 1")
(end-suite)