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85d2eadcf2
For #65199. Change-Id: Iecd11281706201a655b51583a08318b5ffd8ab04 Reviewed-on: https://go-review.googlesource.com/c/go/+/604975 Reviewed-by: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Michael Knyszek <mknyszek@google.com>
59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
// errorcheck
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// Copyright 2024 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Verify that wasmexport supports allowed types and rejects
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// unallowed types.
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//go:build wasm
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package p
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import "unsafe"
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//go:wasmexport good1
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func good1(int32, uint32, int64, uint64, float32, float64, unsafe.Pointer) {} // allowed types
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type MyInt32 int32
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//go:wasmexport good2
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func good2(MyInt32) {} // named type is ok
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//go:wasmexport good3
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func good3() int32 { return 0 } // one result is ok
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//go:wasmexport bad1
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func bad1(string) {} // ERROR "go:wasmexport: unsupported parameter type"
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//go:wasmexport bad2
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func bad2(any) {} // ERROR "go:wasmexport: unsupported parameter type"
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//go:wasmexport bad3
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func bad3(func()) {} // ERROR "go:wasmexport: unsupported parameter type"
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//go:wasmexport bad4
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func bad4(uint8) {} // ERROR "go:wasmexport: unsupported parameter type"
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// Pointer types are not allowed, except unsafe.Pointer.
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// Struct and array types are also not allowed.
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// If proposal 66984 is accepted and implemented, we may allow them.
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//go:wasmexport bad5
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func bad5(*int32) {} // ERROR "go:wasmexport: unsupported parameter type"
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type S struct { x, y int32 }
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//go:wasmexport bad6
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func bad6(S) {} // ERROR "go:wasmexport: unsupported parameter type"
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//go:wasmexport bad7
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func bad7(*S) {} // ERROR "go:wasmexport: unsupported parameter type"
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//go:wasmexport bad8
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func bad8([4]int32) {} // ERROR "go:wasmexport: unsupported parameter type"
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//go:wasmexport toomanyresults
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func toomanyresults() (int32, int32) { return 0, 0 } // ERROR "go:wasmexport: too many return values"
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