27 lines
612 B
Go
27 lines
612 B
Go
package stacktrace
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import "runtime"
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// Capture captures a stacktrace for the current calling go program
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//
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// skip is the number of frames to skip
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func Capture(userSkip int) Stacktrace {
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var (
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skip = userSkip + 1 // add one for our own function
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frames []Frame
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prevPc uintptr
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)
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for i := skip; ; i++ {
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pc, file, line, ok := runtime.Caller(i)
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//detect if caller is repeated to avoid loop, gccgo
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//currently runs into a loop without this check
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if !ok || pc == prevPc {
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break
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}
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frames = append(frames, NewFrame(pc, file, line))
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prevPc = pc
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}
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return Stacktrace{
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Frames: frames,
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}
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}
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