34 lines
604 B
Go
34 lines
604 B
Go
package tokenize2
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import (
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"fmt"
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"runtime"
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"strings"
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)
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func callerPanic(name, f string, data ...interface{}) {
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filepos := callerBefore(name)
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m := fmt.Sprintf(f, data...)
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m = strings.Replace(m, "{caller}", filepos, -1)
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m = strings.Replace(m, "{name}", name, -1)
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panic(m)
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}
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func callerBefore(name string) string {
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found := false
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for i := 1; ; i++ {
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pc, file, line, ok := runtime.Caller(i)
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if found {
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return fmt.Sprintf("%s:%d", file, line)
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}
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if !ok {
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return "unknown caller"
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}
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f := runtime.FuncForPC(pc)
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if strings.HasSuffix(f.Name(), "."+name) {
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found = true
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}
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}
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}
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