7b659348a5
Change-Id: I0ff6d42a8e11f49df6fc3066e86be75015b93631 Reviewed-on: https://go-review.googlesource.com/1238 Reviewed-by: Andrew Gerrand <adg@golang.org>
47 lines
1.5 KiB
Go
47 lines
1.5 KiB
Go
// Copyright 2014 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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// Package seq implements the machine-dependent seq serialization format.
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//
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// Implementations of Transact and FinalizeRef are provided by a
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// specific foreign language binding package, e.g. go.mobile/bind/java.
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//
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// Designed only for use by the code generated by gobind. Don't try to
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// use this directly.
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package seq // import "golang.org/x/mobile/bind/seq"
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// TODO(crawshaw):
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// There is opportunity for optimizing these language
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// bindings which requires deconstructing seq into something
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// gnarly. So don't get too attached to the design.
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import "fmt"
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// Transact calls a method on a foreign object instance.
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// It blocks until the call is complete.
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var Transact func(ref *Ref, code int, in *Buffer) (out *Buffer)
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// FinalizeRef is the finalizer used on foreign objects.
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var FinalizeRef func(ref *Ref)
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// A Func can be registered and called by a foreign language.
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type Func func(out, in *Buffer)
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// Registry holds functions callable from gobind generated bindings.
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// Functions are keyed by descriptor and function code.
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var Registry = make(map[string]map[int]Func)
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// Register registers a function in the Registry.
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func Register(descriptor string, code int, fn Func) {
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m := Registry[descriptor]
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if m == nil {
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m = make(map[int]Func)
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Registry[descriptor] = m
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}
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if m[code] != nil {
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panic(fmt.Sprintf("registry.Register: %q/%d already registered", descriptor, code))
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}
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m[code] = fn
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}
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