mirror of
https://github.com/langhuihui/monibuca.git
synced 2025-12-24 13:48:04 +08:00
60 lines
1.8 KiB
Go
60 lines
1.8 KiB
Go
// Copyright 2022 Google Inc. All Rights Reserved.
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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 report
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import (
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"path/filepath"
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"regexp"
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"m7s.live/v5/plugin/debug/pkg/internal/graph"
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)
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var (
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sepRE = regexp.MustCompile(`::|\.`)
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fileSepRE = regexp.MustCompile(`/`)
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)
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// fileNameSuffixes returns a non-empty sequence of shortened file names
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// (in decreasing preference) that can be used to represent name.
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func fileNameSuffixes(name string) []string {
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if name == "" {
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// Avoid returning "." when symbol info is missing
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return []string{""}
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}
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return allSuffixes(filepath.ToSlash(filepath.Clean(name)), fileSepRE)
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}
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// shortNameList returns a non-empty sequence of shortened names
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// (in decreasing preference) that can be used to represent name.
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func shortNameList(name string) []string {
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name = graph.ShortenFunctionName(name)
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return allSuffixes(name, sepRE)
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}
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// allSuffixes returns a list of suffixes (in order of decreasing length)
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// found by splitting at re.
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func allSuffixes(name string, re *regexp.Regexp) []string {
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seps := re.FindAllStringIndex(name, -1)
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result := make([]string, 0, len(seps)+1)
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result = append(result, name)
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for _, sep := range seps {
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// Suffix starting just after sep
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if sep[1] < len(name) {
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result = append(result, name[sep[1]:])
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}
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}
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return result
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}
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