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Tighter typing of Break #180

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merged 2 commits into from
Nov 19, 2015
Merged

Tighter typing of Break #180

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48a9618
Tighter typing of Break
rossberg Nov 18, 2015
6f6505b
Invalid test
rossberg Nov 19, 2015
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7 changes: 4 additions & 3 deletions ml-proto/spec/check.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -228,9 +228,10 @@ and check_exprs c ts es =
with Invalid_argument _ -> error (Source.ats es) "arity mismatch"

and check_expr_opt c et eo at =
match eo with
| Some e -> check_expr c et e
| None -> check_type None et at
match et, eo with
| Some t, Some e -> check_expr c et e
| None, None -> ()
| _ -> error at "arity mismatch"

and check_literal c et l =
check_type (Some (type_value l.it)) et l.at
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3 changes: 2 additions & 1 deletion ml-proto/test/labels.wast
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Expand Up @@ -24,7 +24,7 @@
(loop $exit $cont
(set_local $i (i32.add (get_local $i) (i32.const 1)))
(if (i32.eq (get_local $i) (i32.const 5))
(br $cont (i32.const -1))
(br $cont)
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Perhaps also add an assert_invalid test?

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Done.

)
(if (i32.eq (get_local $i) (i32.const 8))
(br $exit (get_local $i))
Expand Down Expand Up @@ -78,3 +78,4 @@
(assert_return (invoke "return" (i32.const 1)) (i32.const 2))
(assert_return (invoke "return" (i32.const 2)) (i32.const 2))

(assert_invalid (module (func (loop $l (br $l (i32.const 0))))) "arity mismatch")
2 changes: 1 addition & 1 deletion ml-proto/test/switch.wast
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Expand Up @@ -12,7 +12,7 @@
(case $2) ;; fallthrough
(case $3 (set_local $j (i32.sub (i32.const 0) (get_local $i))) (br 0))
(case $4 (br 0))
(case $5 (br 0 (set_local $j (i32.const 101))))
(case $5 (set_local $j (i32.const 101)) (br 0))
(case $6 (set_local $j (i32.const 101))) ;; fallthrough
(case $default (set_local $j (i32.const 102)))
(case $7)
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