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package coverage
import (
"fmt"
"io"
"os"
"reflect"
"runtime"
)
var out io.Writer
var seen map[string]bool
func init() {
var err error
out, err = os.OpenFile(os.Getenv("HUB_COVERAGE"), os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0644)
if err != nil {
panic(err)
}
seen = make(map[string]bool)
}
func Record(data interface{}, i int) {
_, filename, _, _ := runtime.Caller(1)
if !seen[filename] {
seen[filename] = true
d := reflect.ValueOf(data)
count := reflect.ValueOf(d.FieldByName("Count").Interface())
total := count.Len()
for j := 0; j < total; j++ {
write(data, j, 0, filename)
}
}
write(data, i, 1, filename)
}
func write(data interface{}, i, count int, filename string) {
d := reflect.ValueOf(data)
pos := reflect.ValueOf(d.FieldByName("Pos").Interface())
numStmt := reflect.ValueOf(d.FieldByName("NumStmt").Interface())
fmt.Fprintf(
out,
"%s:%d.%d,%d.%d %d %d\n",
filename,
pos.Index(3*i).Uint(),
pos.Index(3*i+2).Uint()&0xFFFF,
pos.Index(3*i+1).Uint(),
pos.Index(3*i+2).Uint()>>16&0xFFFF,
numStmt.Index(i).Uint(),
count,
)
}
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