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https://github.com/golang/go
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59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
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// 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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