-
Notifications
You must be signed in to change notification settings - Fork 0
/
code_generation.go
62 lines (54 loc) · 1.42 KB
/
code_generation.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
package acorn
import (
"io"
"text/template"
)
// Func defines the interface necessary to generate a func
type Func interface {
// The Type the func should be applied to.
// e.g. use "" for a package func, "(t *MyType)" for your type
Type() string
// The Signature of the function.
// This is what would be defined in an interface.
Signature() string
// The Body of the function
Body() string
}
// Interface defines the components necessary to generate an interface
type Interface interface {
// The Name of the interface
Name() string
// The Signatures of the methods the interface defines
Signatures() []string
}
// WriteFunction outputs a generated func to the writer
func WriteFunction(w io.Writer, f Func) {
fmap := map[string]interface{}{
"type": f.Type,
"signature": f.Signature,
"body": f.Body,
}
const pattern = `
func {{ type }} {{ signature }} {
{{ body }}
}
`
templ := template.Must(template.New("func").Funcs(fmap).Parse(pattern))
templ.Execute(w, nil)
}
// WriteInterface outputs a generated interface to the writer
func WriteInterface(w io.Writer, i Interface) {
fmap := map[string]interface{}{
"name": i.Name,
"signatures": i.Signatures,
}
const pattern = `
type {{ name }} interface {
{{ range signatures }}
{{ . }}
{{ end }}
}
`
templ := template.Must(template.New("interface").Funcs(fmap).Parse(pattern))
templ.Execute(w, nil)
}