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64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
// Source: https://github.com/goharbor/harbor
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// Copyright 2016 Project Harbor Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package errors
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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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const maxDepth = 50
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type stack []uintptr
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func (s *stack) frames() StackFrames {
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var stackFrames StackFrames
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frames := runtime.CallersFrames(*s)
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for {
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frame, next := frames.Next()
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// filter out runtime
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if !strings.Contains(frame.File, "runtime/") {
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stackFrames = append(stackFrames, frame)
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}
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if !next {
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break
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}
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}
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return stackFrames
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}
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// newStack ...
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func newStack() *stack {
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var pcs [maxDepth]uintptr
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n := runtime.Callers(3, pcs[:])
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var st stack = pcs[0:n]
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return &st
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}
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// StackFrames ...
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type StackFrames []runtime.Frame
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// Output: <File>:<Line>, <Method>.
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func (frames StackFrames) format() string {
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var msg string
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for _, frame := range frames {
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msg += fmt.Sprintf("\n%v:%v, %v", frame.File, frame.Line, frame.Function)
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}
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return msg
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}
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