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78 lines
2.1 KiB
78 lines
2.1 KiB
// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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package gdebug
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import (
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"bytes"
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"fmt"
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"runtime"
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)
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// PrintStack prints to standard error the stack trace returned by runtime.Stack.
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func PrintStack(skip ...int) {
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fmt.Print(Stack(skip...))
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}
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// Stack returns a formatted stack trace of the goroutine that calls it.
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// It calls runtime.Stack with a large enough buffer to capture the entire trace.
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func Stack(skip ...int) string {
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return StackWithFilter(nil, skip...)
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}
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// StackWithFilter returns a formatted stack trace of the goroutine that calls it.
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// It calls runtime.Stack with a large enough buffer to capture the entire trace.
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//
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// The parameter `filter` is used to filter the path of the caller.
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func StackWithFilter(filters []string, skip ...int) string {
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return StackWithFilters(filters, skip...)
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}
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// StackWithFilters returns a formatted stack trace of the goroutine that calls it.
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// It calls runtime.Stack with a large enough buffer to capture the entire trace.
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//
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// The parameter `filters` is a slice of strings, which are used to filter the path of the
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// caller.
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//
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// TODO Improve the performance using debug.Stack.
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func StackWithFilters(filters []string, skip ...int) string {
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number := 0
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if len(skip) > 0 {
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number = skip[0]
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}
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var (
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name string
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space = " "
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index = 1
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buffer = bytes.NewBuffer(nil)
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ok = true
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pc, file, line, start = callerFromIndex(filters)
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)
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for i := start + number; i < maxCallerDepth; i++ {
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if i != start {
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pc, file, line, ok = runtime.Caller(i)
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}
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if ok {
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if filterFileByFilters(file, filters) {
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continue
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}
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if fn := runtime.FuncForPC(pc); fn == nil {
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name = "unknown"
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} else {
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name = fn.Name()
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}
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if index > 9 {
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space = " "
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}
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buffer.WriteString(fmt.Sprintf("%d.%s%s\n %s:%d\n", index, space, name, file, line))
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index++
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} else {
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break
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}
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}
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return buffer.String()
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}
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