summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorWilliam Langford <wlangfor@gmail.com>2017-02-17 00:40:26 -0500
committerNicolas Williams <nico@cryptonector.com>2017-03-26 05:36:22 -0500
commitc8a2a0acc23e87cb28db794ee95f7d8b87d3ccbb (patch)
treeb0ba05735a9c1e1492bd27a402e731d1f9b72fe8
parent3a8c8f4747313d324f4309af66e2211319eccffd (diff)
Fix a tripped assertion when generating reduces
A noop body, while useless, should still compile successfully
-rw-r--r--src/compile.c7
-rw-r--r--tests/jq.test5
2 files changed, 11 insertions, 1 deletions
diff --git a/src/compile.c b/src/compile.c
index 63229438..7960cfe6 100644
--- a/src/compile.c
+++ b/src/compile.c
@@ -824,7 +824,12 @@ static block bind_alternation_matchers(block matchers, block body) {
block gen_reduce(block source, block matcher, block init, block body) {
block res_var = gen_op_var_fresh(STOREV, "reduce");
block update_var = gen_op_bound(STOREV, res_var);
- block jmp = gen_op_target(JUMP, body);
+ block jmp = gen_op_targetlater(JUMP);
+ if (body.last == NULL) {
+ inst_set_target(jmp, jmp);
+ } else {
+ inst_set_target(jmp, body);
+ }
block loop = BLOCK(gen_op_simple(DUPN),
source,
bind_alternation_matchers(matcher,
diff --git a/tests/jq.test b/tests/jq.test
index ac784ef8..2882d9c4 100644
--- a/tests/jq.test
+++ b/tests/jq.test
@@ -710,6 +710,11 @@ reduce range(5) as $n ([]; select($n%2 == 1) | . + [$n])
null
[1,3]
+# This, while useless, should still compile.
+reduce . as $n (.; .)
+null
+null
+
. as $dot|any($dot[];not)
[1,2,3,4,true,false,1,2,3,4,5]
true