/
main.go
124 lines (103 loc) · 2.47 KB
/
main.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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
package main
import (
"flag"
"fmt"
"go/importer"
"go/token"
"go/types"
"log"
"os"
"os/exec"
"sort"
"strings"
"time"
)
type arguments struct {
debug bool
}
func main() {
log.SetFlags(0)
var args arguments
flag.BoolVar(&args.debug, "v", false,
`enable debug info output`)
flag.Parse()
ctx := context{args: args}
steps := []struct {
name string
fn func(ctx *context) error
}{
{"validate args", doValidateArgs},
{"init context", doInitContext},
{"generate equal", doGenerateEqual},
{"generate clone", doGenerateClone},
{"generate walk", doGenerateWalk},
{"generate get node kind", doGenerateGetNodeKind},
{"generate get position", doGenerateGetPosition},
{"generate iterate tokens", doGenerateIterateTokens},
{"generate get first token", doGenerateGetFirstToken},
}
for _, step := range steps {
ctx.Debugf("step %s started", step.name)
if err := step.fn(&ctx); err != nil {
log.Fatalf("%s: error: %+v", step.name, err)
}
}
}
func doValidateArgs(ctx *context) error {
// Nothing to do right now.
return nil
}
func doInitContext(ctx *context) error {
ctx.fset = token.NewFileSet()
ctx.date = time.Now()
gitOutput, err := exec.Command("git", "rev-parse", "HEAD").CombinedOutput()
if err != nil {
return fmt.Errorf("get git revision: %v: %s", err, gitOutput)
}
ctx.gitCommit = strings.TrimSpace(string(gitOutput))
wd, err := os.Getwd()
if err != nil {
return fmt.Errorf("getwd: %v", err)
}
ctx.rootDir = wd + "/src/ir"
typechecker := &types.Config{
Importer: importer.ForCompiler(ctx.fset, "source", nil),
}
irPkg, err := loadPackage(typechecker, ctx, ctx.rootDir)
if err != nil {
return fmt.Errorf("load ir package: %v", err)
}
ctx.irPkg = irPkg
sort.Slice(ctx.irPkg.types, func(i, j int) bool {
return ctx.irPkg.types[i].name < ctx.irPkg.types[j].name
})
return nil
}
func doGenerateEqual(ctx *context) error {
g := &genEqual{ctx: ctx}
return g.Run()
}
func doGenerateClone(ctx *context) error {
g := &genClone{ctx: ctx}
return g.Run()
}
func doGenerateWalk(ctx *context) error {
g := &genWalk{ctx: ctx}
return g.Run()
}
func doGenerateGetNodeKind(ctx *context) error {
g := &genGetNodeKind{ctx: ctx}
return g.Run()
}
func doGenerateGetPosition(ctx *context) error {
g := &genGetPosition{ctx: ctx}
return g.Run()
}
func doGenerateIterateTokens(ctx *context) error {
g := &genIterate{ctx: ctx}
return g.Run()
}
func doGenerateGetFirstToken(ctx *context) error {
g := &genGetFirstToken{ctx: ctx}
return g.Run()
}