/
gdebug_stack.go
77 lines (71 loc) · 2.13 KB
/
gdebug_stack.go
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// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package gdebug
import (
"bytes"
"fmt"
"runtime"
)
// PrintStack prints to standard error the stack trace returned by runtime.Stack.
func PrintStack(skip ...int) {
fmt.Print(Stack(skip...))
}
// Stack returns a formatted stack trace of the goroutine that calls it.
// It calls runtime.Stack with a large enough buffer to capture the entire trace.
func Stack(skip ...int) string {
return StackWithFilter(nil, skip...)
}
// StackWithFilter returns a formatted stack trace of the goroutine that calls it.
// It calls runtime.Stack with a large enough buffer to capture the entire trace.
//
// The parameter `filter` is used to filter the path of the caller.
func StackWithFilter(filters []string, skip ...int) string {
return StackWithFilters(filters, skip...)
}
// StackWithFilters returns a formatted stack trace of the goroutine that calls it.
// It calls runtime.Stack with a large enough buffer to capture the entire trace.
//
// The parameter `filters` is a slice of strings, which are used to filter the path of the
// caller.
//
// TODO Improve the performance using debug.Stack.
func StackWithFilters(filters []string, skip ...int) string {
number := 0
if len(skip) > 0 {
number = skip[0]
}
var (
name string
space = " "
index = 1
buffer = bytes.NewBuffer(nil)
ok = true
pc, file, line, start = callerFromIndex(filters)
)
for i := start + number; i < maxCallerDepth; i++ {
if i != start {
pc, file, line, ok = runtime.Caller(i)
}
if ok {
if filterFileByFilters(file, filters) {
continue
}
if fn := runtime.FuncForPC(pc); fn == nil {
name = "unknown"
} else {
name = fn.Name()
}
if index > 9 {
space = " "
}
buffer.WriteString(fmt.Sprintf("%d.%s%s\n %s:%d\n", index, space, name, file, line))
index++
} else {
break
}
}
return buffer.String()
}