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55 lines
1.4 KiB
55 lines
1.4 KiB
// GoToSocial |
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// Copyright (C) GoToSocial Authors admin@gotosocial.org |
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// SPDX-License-Identifier: AGPL-3.0-or-later |
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// |
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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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// |
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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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// |
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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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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'. |
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// |
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//go:noinline |
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func Caller(depth int) string { |
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pcs := make([]uintptr, 1) |
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// Fetch calling func using depth. |
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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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// Get func name. |
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name := fn.Name() |
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// Drop all but package and function name, no 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 function 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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