-
Notifications
You must be signed in to change notification settings - Fork 0
/
debug_test.go
62 lines (52 loc) · 1.33 KB
/
debug_test.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 gqlparser_test
import (
"log"
"runtime"
"strings"
"github.com/karupanerura/gqlparser"
)
type debugLogger interface {
Logf(string, ...any)
}
type debugTokenSource struct {
source gqlparser.TokenSource
logger debugLogger
}
func (ts *debugTokenSource) getCaller() (file string, line int) {
var rpc [16]uintptr
n := runtime.Callers(3, rpc[:])
if n == 0 {
panic("cannot get caller")
}
frames := runtime.CallersFrames(rpc[:])
for {
frame, hasNext := frames.Next()
if !strings.HasSuffix(frame.File, "/token_reader.go") && !strings.HasSuffix(frame.File, "/debug.go") {
return frame.File, frame.Line
}
if !hasNext {
return frame.File, frame.Line
}
}
}
func (ts *debugTokenSource) Next() bool {
next := ts.source.Next()
file, line := ts.getCaller()
log.Printf("Next() = %v at %s line %d", next, file, line)
return next
}
func (ts *debugTokenSource) Read() (gqlparser.Token, error) {
file, line := ts.getCaller()
token, err := ts.source.Read()
if err != nil {
ts.logger.Logf("Read() = error (%+v) at %s line %d", err, file, line)
return nil, err
}
ts.logger.Logf("Read() = %+v at %s line %d", token, file, line)
return token, nil
}
func (ts *debugTokenSource) Unread(token gqlparser.Token) {
file, line := ts.getCaller()
ts.logger.Logf("Unread(%+v) at %s line %d", token, file, line)
ts.source.Unread(token)
}