mirror of https://github.com/go-gitea/gitea.git
Move gocovmerge as vendor (#10947)
* Move gocovmerge as vendor * Update Makefile Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com> Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>
This commit is contained in:
Lunny Xiao
GitHub
parent
14c97c0501
commit
b264c30394
5
Makefile
5
Makefile
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@ -293,10 +293,7 @@ test\#%:
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.PHONY: coverage
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coverage:
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@hash gocovmerge > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
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$(GO) get -u github.com/wadey/gocovmerge; \
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fi
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gocovmerge integration.coverage.out $(shell find . -type f -name "coverage.out") > coverage.all;\
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GO111MODULE=on $(GO) run -mod=vendor build/gocovmerge.go integration.coverage.out $(shell find . -type f -name "coverage.out") > coverage.all
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.PHONY: unit-test-coverage
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unit-test-coverage:
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@ -0,0 +1,119 @@
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// Copyright 2020 The Gitea Authors. All rights reserved.
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// Copyright (c) 2015, Wade Simmons
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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// gocovmerge takes the results from multiple `go test -coverprofile` runs and
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// merges them into one profile
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// +build ignore
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package main
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import (
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"flag"
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"fmt"
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"io"
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"log"
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"os"
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"sort"
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"golang.org/x/tools/cover"
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)
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func mergeProfiles(p *cover.Profile, merge *cover.Profile) {
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if p.Mode != merge.Mode {
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log.Fatalf("cannot merge profiles with different modes")
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}
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// Since the blocks are sorted, we can keep track of where the last block
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// was inserted and only look at the blocks after that as targets for merge
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startIndex := 0
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for _, b := range merge.Blocks {
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startIndex = mergeProfileBlock(p, b, startIndex)
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}
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}
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func mergeProfileBlock(p *cover.Profile, pb cover.ProfileBlock, startIndex int) int {
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sortFunc := func(i int) bool {
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pi := p.Blocks[i+startIndex]
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return pi.StartLine >= pb.StartLine && (pi.StartLine != pb.StartLine || pi.StartCol >= pb.StartCol)
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}
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i := 0
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if sortFunc(i) != true {
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i = sort.Search(len(p.Blocks)-startIndex, sortFunc)
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}
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i += startIndex
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if i < len(p.Blocks) && p.Blocks[i].StartLine == pb.StartLine && p.Blocks[i].StartCol == pb.StartCol {
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if p.Blocks[i].EndLine != pb.EndLine || p.Blocks[i].EndCol != pb.EndCol {
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log.Fatalf("OVERLAP MERGE: %v %v %v", p.FileName, p.Blocks[i], pb)
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}
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switch p.Mode {
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case "set":
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p.Blocks[i].Count |= pb.Count
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case "count", "atomic":
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p.Blocks[i].Count += pb.Count
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default:
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log.Fatalf("unsupported covermode: '%s'", p.Mode)
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}
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} else {
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if i > 0 {
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pa := p.Blocks[i-1]
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if pa.EndLine >= pb.EndLine && (pa.EndLine != pb.EndLine || pa.EndCol > pb.EndCol) {
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log.Fatalf("OVERLAP BEFORE: %v %v %v", p.FileName, pa, pb)
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}
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}
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if i < len(p.Blocks)-1 {
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pa := p.Blocks[i+1]
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if pa.StartLine <= pb.StartLine && (pa.StartLine != pb.StartLine || pa.StartCol < pb.StartCol) {
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log.Fatalf("OVERLAP AFTER: %v %v %v", p.FileName, pa, pb)
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}
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}
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p.Blocks = append(p.Blocks, cover.ProfileBlock{})
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copy(p.Blocks[i+1:], p.Blocks[i:])
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p.Blocks[i] = pb
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}
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return i + 1
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}
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func addProfile(profiles []*cover.Profile, p *cover.Profile) []*cover.Profile {
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i := sort.Search(len(profiles), func(i int) bool { return profiles[i].FileName >= p.FileName })
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if i < len(profiles) && profiles[i].FileName == p.FileName {
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mergeProfiles(profiles[i], p)
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} else {
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profiles = append(profiles, nil)
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copy(profiles[i+1:], profiles[i:])
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profiles[i] = p
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}
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return profiles
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}
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func dumpProfiles(profiles []*cover.Profile, out io.Writer) {
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if len(profiles) == 0 {
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return
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}
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fmt.Fprintf(out, "mode: %s\n", profiles[0].Mode)
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for _, p := range profiles {
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for _, b := range p.Blocks {
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fmt.Fprintf(out, "%s:%d.%d,%d.%d %d %d\n", p.FileName, b.StartLine, b.StartCol, b.EndLine, b.EndCol, b.NumStmt, b.Count)
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}
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}
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}
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func main() {
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flag.Parse()
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var merged []*cover.Profile
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for _, file := range flag.Args() {
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profiles, err := cover.ParseProfiles(file)
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if err != nil {
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log.Fatalf("failed to parse profiles: %v", err)
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}
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for _, p := range profiles {
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merged = addProfile(merged, p)
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}
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}
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dumpProfiles(merged, os.Stdout)
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}
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@ -15,4 +15,7 @@ import (
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// for embed
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_ "github.com/shurcooL/vfsgen"
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// for cover merge
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_ "golang.org/x/tools/cover"
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)
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1
go.mod
1
go.mod
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@ -111,6 +111,7 @@ require (
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golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
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golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527
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golang.org/x/text v0.3.2
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golang.org/x/tools v0.0.0-20200225230052-807dcd883420
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gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
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gopkg.in/asn1-ber.v1 v1.0.0-20150924051756-4e86f4367175 // indirect
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gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df
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@ -0,0 +1,256 @@
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// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package cover provides support for parsing coverage profiles
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// generated by "go test -coverprofile=cover.out".
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package cover // import "golang.org/x/tools/cover"
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import (
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"bufio"
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"errors"
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"fmt"
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"math"
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"os"
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"sort"
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"strconv"
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"strings"
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)
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// Profile represents the profiling data for a specific file.
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type Profile struct {
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FileName string
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Mode string
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Blocks []ProfileBlock
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}
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// ProfileBlock represents a single block of profiling data.
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type ProfileBlock struct {
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StartLine, StartCol int
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EndLine, EndCol int
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NumStmt, Count int
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}
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type byFileName []*Profile
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func (p byFileName) Len() int { return len(p) }
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func (p byFileName) Less(i, j int) bool { return p[i].FileName < p[j].FileName }
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func (p byFileName) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
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// ParseProfiles parses profile data in the specified file and returns a
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// Profile for each source file described therein.
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func ParseProfiles(fileName string) ([]*Profile, error) {
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pf, err := os.Open(fileName)
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if err != nil {
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return nil, err
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}
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defer pf.Close()
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files := make(map[string]*Profile)
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buf := bufio.NewReader(pf)
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// First line is "mode: foo", where foo is "set", "count", or "atomic".
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// Rest of file is in the format
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// encoding/base64/base64.go:34.44,37.40 3 1
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// where the fields are: name.go:line.column,line.column numberOfStatements count
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s := bufio.NewScanner(buf)
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mode := ""
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for s.Scan() {
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line := s.Text()
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if mode == "" {
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const p = "mode: "
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if !strings.HasPrefix(line, p) || line == p {
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return nil, fmt.Errorf("bad mode line: %v", line)
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}
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mode = line[len(p):]
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continue
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}
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fn, b, err := parseLine(line)
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if err != nil {
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return nil, fmt.Errorf("line %q doesn't match expected format: %v", line, err)
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}
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p := files[fn]
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if p == nil {
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p = &Profile{
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FileName: fn,
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Mode: mode,
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}
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files[fn] = p
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}
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p.Blocks = append(p.Blocks, b)
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}
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if err := s.Err(); err != nil {
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return nil, err
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}
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for _, p := range files {
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sort.Sort(blocksByStart(p.Blocks))
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// Merge samples from the same location.
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j := 1
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for i := 1; i < len(p.Blocks); i++ {
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b := p.Blocks[i]
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last := p.Blocks[j-1]
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if b.StartLine == last.StartLine &&
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b.StartCol == last.StartCol &&
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b.EndLine == last.EndLine &&
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b.EndCol == last.EndCol {
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if b.NumStmt != last.NumStmt {
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return nil, fmt.Errorf("inconsistent NumStmt: changed from %d to %d", last.NumStmt, b.NumStmt)
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}
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if mode == "set" {
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p.Blocks[j-1].Count |= b.Count
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} else {
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p.Blocks[j-1].Count += b.Count
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}
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continue
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}
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p.Blocks[j] = b
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j++
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}
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p.Blocks = p.Blocks[:j]
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}
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// Generate a sorted slice.
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profiles := make([]*Profile, 0, len(files))
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for _, profile := range files {
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profiles = append(profiles, profile)
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}
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sort.Sort(byFileName(profiles))
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return profiles, nil
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}
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// parseLine parses a line from a coverage file.
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// It is equivalent to the regex
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// ^(.+):([0-9]+)\.([0-9]+),([0-9]+)\.([0-9]+) ([0-9]+) ([0-9]+)$
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//
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// However, it is much faster: https://golang.org/cl/179377
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func parseLine(l string) (fileName string, block ProfileBlock, err error) {
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end := len(l)
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b := ProfileBlock{}
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b.Count, end, err = seekBack(l, ' ', end, "Count")
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if err != nil {
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return "", b, err
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}
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b.NumStmt, end, err = seekBack(l, ' ', end, "NumStmt")
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if err != nil {
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return "", b, err
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}
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b.EndCol, end, err = seekBack(l, '.', end, "EndCol")
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if err != nil {
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return "", b, err
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}
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b.EndLine, end, err = seekBack(l, ',', end, "EndLine")
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if err != nil {
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return "", b, err
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}
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b.StartCol, end, err = seekBack(l, '.', end, "StartCol")
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if err != nil {
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return "", b, err
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}
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b.StartLine, end, err = seekBack(l, ':', end, "StartLine")
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if err != nil {
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return "", b, err
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}
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fn := l[0:end]
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if fn == "" {
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return "", b, errors.New("a FileName cannot be blank")
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}
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return fn, b, nil
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}
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// seekBack searches backwards from end to find sep in l, then returns the
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// value between sep and end as an integer.
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// If seekBack fails, the returned error will reference what.
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func seekBack(l string, sep byte, end int, what string) (value int, nextSep int, err error) {
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// Since we're seeking backwards and we know only ASCII is legal for these values,
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// we can ignore the possibility of non-ASCII characters.
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for start := end - 1; start >= 0; start-- {
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if l[start] == sep {
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i, err := strconv.Atoi(l[start+1 : end])
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if err != nil {
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return 0, 0, fmt.Errorf("couldn't parse %q: %v", what, err)
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}
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if i < 0 {
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return 0, 0, fmt.Errorf("negative values are not allowed for %s, found %d", what, i)
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}
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return i, start, nil
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}
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}
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return 0, 0, fmt.Errorf("couldn't find a %s before %s", string(sep), what)
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}
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type blocksByStart []ProfileBlock
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func (b blocksByStart) Len() int { return len(b) }
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func (b blocksByStart) Swap(i, j int) { b[i], b[j] = b[j], b[i] }
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func (b blocksByStart) Less(i, j int) bool {
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bi, bj := b[i], b[j]
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return bi.StartLine < bj.StartLine || bi.StartLine == bj.StartLine && bi.StartCol < bj.StartCol
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}
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// Boundary represents the position in a source file of the beginning or end of a
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// block as reported by the coverage profile. In HTML mode, it will correspond to
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// the opening or closing of a <span> tag and will be used to colorize the source
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type Boundary struct {
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Offset int // Location as a byte offset in the source file.
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Start bool // Is this the start of a block?
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Count int // Event count from the cover profile.
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Norm float64 // Count normalized to [0..1].
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}
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// Boundaries returns a Profile as a set of Boundary objects within the provided src.
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func (p *Profile) Boundaries(src []byte) (boundaries []Boundary) {
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// Find maximum count.
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max := 0
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for _, b := range p.Blocks {
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if b.Count > max {
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max = b.Count
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}
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}
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// Divisor for normalization.
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divisor := math.Log(float64(max))
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// boundary returns a Boundary, populating the Norm field with a normalized Count.
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boundary := func(offset int, start bool, count int) Boundary {
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b := Boundary{Offset: offset, Start: start, Count: count}
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if !start || count == 0 {
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return b
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}
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if max <= 1 {
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b.Norm = 0.8 // Profile is in"set" mode; we want a heat map. Use cov8 in the CSS.
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} else if count > 0 {
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b.Norm = math.Log(float64(count)) / divisor
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}
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return b
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}
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line, col := 1, 2 // TODO: Why is this 2?
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for si, bi := 0, 0; si < len(src) && bi < len(p.Blocks); {
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b := p.Blocks[bi]
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if b.StartLine == line && b.StartCol == col {
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boundaries = append(boundaries, boundary(si, true, b.Count))
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}
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if b.EndLine == line && b.EndCol == col || line > b.EndLine {
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boundaries = append(boundaries, boundary(si, false, 0))
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bi++
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continue // Don't advance through src; maybe the next block starts here.
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}
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if src[si] == '\n' {
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line++
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col = 0
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}
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col++
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si++
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}
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sort.Sort(boundariesByPos(boundaries))
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return
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}
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type boundariesByPos []Boundary
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func (b boundariesByPos) Len() int { return len(b) }
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func (b boundariesByPos) Swap(i, j int) { b[i], b[j] = b[j], b[i] }
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func (b boundariesByPos) Less(i, j int) bool {
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if b[i].Offset == b[j].Offset {
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return !b[i].Start && b[j].Start
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}
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return b[i].Offset < b[j].Offset
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}
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@ -732,6 +732,8 @@ golang.org/x/text/unicode/bidi
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golang.org/x/text/unicode/norm
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golang.org/x/text/width
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# golang.org/x/tools v0.0.0-20200225230052-807dcd883420
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## explicit
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golang.org/x/tools/cover
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golang.org/x/tools/go/ast/astutil
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golang.org/x/tools/go/buildutil
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golang.org/x/tools/go/gcexportdata
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