58 lines
1.7 KiB
WebAssembly Text Format
58 lines
1.7 KiB
WebAssembly Text Format
(module
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(func $f1 (export "funcref") (param $x funcref) (result i32)
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(ref.is_null (local.get $x))
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)
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(func $f2 (export "externref") (param $x externref) (result i32)
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(ref.is_null (local.get $x))
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)
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(table $t1 2 funcref)
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(table $t2 2 externref)
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(elem (table $t1) (i32.const 1) func $dummy)
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(func $dummy)
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(func (export "init") (param $r externref)
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(table.set $t2 (i32.const 1) (local.get $r))
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)
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(func (export "deinit")
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(table.set $t1 (i32.const 1) (ref.null func))
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(table.set $t2 (i32.const 1) (ref.null extern))
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)
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(func (export "funcref-elem") (param $x i32) (result i32)
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(call $f1 (table.get $t1 (local.get $x)))
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)
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(func (export "externref-elem") (param $x i32) (result i32)
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(call $f2 (table.get $t2 (local.get $x)))
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)
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)
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(assert_return (invoke "funcref" (ref.null func)) (i32.const 1))
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(assert_return (invoke "externref" (ref.null extern)) (i32.const 1))
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(assert_return (invoke "externref" (ref.extern 1)) (i32.const 0))
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(invoke "init" (ref.extern 0))
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(assert_return (invoke "funcref-elem" (i32.const 0)) (i32.const 1))
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(assert_return (invoke "externref-elem" (i32.const 0)) (i32.const 1))
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(assert_return (invoke "funcref-elem" (i32.const 1)) (i32.const 0))
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(assert_return (invoke "externref-elem" (i32.const 1)) (i32.const 0))
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(invoke "deinit")
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(assert_return (invoke "funcref-elem" (i32.const 0)) (i32.const 1))
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(assert_return (invoke "externref-elem" (i32.const 0)) (i32.const 1))
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(assert_return (invoke "funcref-elem" (i32.const 1)) (i32.const 1))
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(assert_return (invoke "externref-elem" (i32.const 1)) (i32.const 1))
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(assert_invalid
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(module (func $ref-vs-num (param i32) (ref.is_null (local.get 0))))
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"type mismatch"
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)
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(assert_invalid
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(module (func $ref-vs-empty (ref.is_null)))
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"type mismatch"
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)
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