60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package log
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import (
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"runtime"
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"strings"
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)
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// Caller fetches the calling function name, skipping 'depth'. Results are cached per PC.
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func Caller(depth int) string {
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var pcs [1]uintptr
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// Fetch calling function using calldepth
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_ = runtime.Callers(depth, pcs[:])
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fn := runtime.FuncForPC(pcs[0])
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if fn == nil {
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return ""
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}
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// return formatted name
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return callername(fn)
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}
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// callername generates a human-readable calling function name.
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func callername(fn *runtime.Func) string {
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name := fn.Name()
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// Drop all but the package name and function name, no mod path
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if idx := strings.LastIndex(name, "/"); idx >= 0 {
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name = name[idx+1:]
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}
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const params = `[...]`
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// Drop any generic type parameter markers
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if idx := strings.Index(name, params); idx >= 0 {
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name = name[:idx] + name[idx+len(params):]
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}
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return name
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}
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