/
bind.go
87 lines (80 loc) · 1.95 KB
/
bind.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package bind implements a code generator for gobind.
//
// See the documentation on the gobind command for usage details
// and the list of currently supported types.
// (http://godoc.org/golang.org/x/mobile/cmd/gobind)
package bind // import "golang.org/x/mobile/bind"
// TODO(crawshaw): slice support
// TODO(crawshaw): channel support
import (
"bytes"
"go/format"
"go/token"
"go/types"
"io"
)
// GenJava generates a Java API from a Go package.
func GenJava(w io.Writer, fset *token.FileSet, pkg *types.Package, javaPkg string) error {
if javaPkg == "" {
javaPkg = javaPkgName(pkg.Name())
}
buf := new(bytes.Buffer)
g := &javaGen{
printer: &printer{buf: buf, indentEach: []byte(" ")},
fset: fset,
pkg: pkg,
javaPkg: javaPkg,
}
if err := g.gen(); err != nil {
return err
}
_, err := io.Copy(w, buf)
return err
}
// GenGo generates a Go stub to support foreign language APIs.
func GenGo(w io.Writer, fset *token.FileSet, pkg *types.Package) error {
buf := new(bytes.Buffer)
g := &goGen{
printer: &printer{buf: buf, indentEach: []byte("\t")},
fset: fset,
pkg: pkg,
}
if err := g.gen(); err != nil {
return err
}
src := buf.Bytes()
srcf, err := format.Source(src)
if err != nil {
w.Write(src) // for debugging
return err
}
_, err = w.Write(srcf)
return err
}
// GenObjc generates the Objective-C API from a Go package.
func GenObjc(w io.Writer, fset *token.FileSet, pkg *types.Package, prefix string, isHeader bool) error {
if prefix == "" {
prefix = "Go"
}
buf := new(bytes.Buffer)
g := &objcGen{
printer: &printer{buf: buf, indentEach: []byte("\t")},
fset: fset,
pkg: pkg,
prefix: prefix,
}
var err error
if isHeader {
err = g.genH()
} else {
err = g.genM()
}
if err != nil {
return err
}
_, err = io.Copy(w, buf)
return err
}