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| author | Joe Richey joerichey@google.com <joerichey@google.com> | 2018-08-30 02:24:33 -0700 |
|---|---|---|
| committer | Joe Richey joerichey@google.com <joerichey@google.com> | 2018-08-30 02:24:33 -0700 |
| commit | 630c8d1d002286cc26bafec78a7f120b5c0e78af (patch) | |
| tree | 5d453c5b099a2881c74ac49922eb968e235bedfd /vendor/golang.org/x/tools/cover | |
| parent | b7f5b0ab3c9b1af9397c557e410473119399f8b6 (diff) | |
Update dependancies to lastest version
Diffstat (limited to 'vendor/golang.org/x/tools/cover')
| -rw-r--r-- | vendor/golang.org/x/tools/cover/profile.go | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/vendor/golang.org/x/tools/cover/profile.go b/vendor/golang.org/x/tools/cover/profile.go deleted file mode 100644 index b6c8120..0000000 --- a/vendor/golang.org/x/tools/cover/profile.go +++ /dev/null @@ -1,213 +0,0 @@ -// Copyright 2013 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Package cover provides support for parsing coverage profiles -// generated by "go test -coverprofile=cover.out". -package cover // import "golang.org/x/tools/cover" - -import ( - "bufio" - "fmt" - "math" - "os" - "regexp" - "sort" - "strconv" - "strings" -) - -// Profile represents the profiling data for a specific file. -type Profile struct { - FileName string - Mode string - Blocks []ProfileBlock -} - -// ProfileBlock represents a single block of profiling data. -type ProfileBlock struct { - StartLine, StartCol int - EndLine, EndCol int - NumStmt, Count int -} - -type byFileName []*Profile - -func (p byFileName) Len() int { return len(p) } -func (p byFileName) Less(i, j int) bool { return p[i].FileName < p[j].FileName } -func (p byFileName) Swap(i, j int) { p[i], p[j] = p[j], p[i] } - -// ParseProfiles parses profile data in the specified file and returns a -// Profile for each source file described therein. -func ParseProfiles(fileName string) ([]*Profile, error) { - pf, err := os.Open(fileName) - if err != nil { - return nil, err - } - defer pf.Close() - - files := make(map[string]*Profile) - buf := bufio.NewReader(pf) - // First line is "mode: foo", where foo is "set", "count", or "atomic". - // Rest of file is in the format - // encoding/base64/base64.go:34.44,37.40 3 1 - // where the fields are: name.go:line.column,line.column numberOfStatements count - s := bufio.NewScanner(buf) - mode := "" - for s.Scan() { - line := s.Text() - if mode == "" { - const p = "mode: " - if !strings.HasPrefix(line, p) || line == p { - return nil, fmt.Errorf("bad mode line: %v", line) - } - mode = line[len(p):] - continue - } - m := lineRe.FindStringSubmatch(line) - if m == nil { - return nil, fmt.Errorf("line %q doesn't match expected format: %v", line, lineRe) - } - fn := m[1] - p := files[fn] - if p == nil { - p = &Profile{ - FileName: fn, - Mode: mode, - } - files[fn] = p - } - p.Blocks = append(p.Blocks, ProfileBlock{ - StartLine: toInt(m[2]), - StartCol: toInt(m[3]), - EndLine: toInt(m[4]), - EndCol: toInt(m[5]), - NumStmt: toInt(m[6]), - Count: toInt(m[7]), - }) - } - if err := s.Err(); err != nil { - return nil, err - } - for _, p := range files { - sort.Sort(blocksByStart(p.Blocks)) - // Merge samples from the same location. - j := 1 - for i := 1; i < len(p.Blocks); i++ { - b := p.Blocks[i] - last := p.Blocks[j-1] - if b.StartLine == last.StartLine && - b.StartCol == last.StartCol && - b.EndLine == last.EndLine && - b.EndCol == last.EndCol { - if b.NumStmt != last.NumStmt { - return nil, fmt.Errorf("inconsistent NumStmt: changed from %d to %d", last.NumStmt, b.NumStmt) - } - if mode == "set" { - p.Blocks[j-1].Count |= b.Count - } else { - p.Blocks[j-1].Count += b.Count - } - continue - } - p.Blocks[j] = b - j++ - } - p.Blocks = p.Blocks[:j] - } - // Generate a sorted slice. - profiles := make([]*Profile, 0, len(files)) - for _, profile := range files { - profiles = append(profiles, profile) - } - sort.Sort(byFileName(profiles)) - return profiles, nil -} - -type blocksByStart []ProfileBlock - -func (b blocksByStart) Len() int { return len(b) } -func (b blocksByStart) Swap(i, j int) { b[i], b[j] = b[j], b[i] } -func (b blocksByStart) Less(i, j int) bool { - bi, bj := b[i], b[j] - return bi.StartLine < bj.StartLine || bi.StartLine == bj.StartLine && bi.StartCol < bj.StartCol -} - -var lineRe = regexp.MustCompile(`^(.+):([0-9]+).([0-9]+),([0-9]+).([0-9]+) ([0-9]+) ([0-9]+)$`) - -func toInt(s string) int { - i, err := strconv.Atoi(s) - if err != nil { - panic(err) - } - return i -} - -// Boundary represents the position in a source file of the beginning or end of a -// block as reported by the coverage profile. In HTML mode, it will correspond to -// the opening or closing of a <span> tag and will be used to colorize the source -type Boundary struct { - Offset int // Location as a byte offset in the source file. - Start bool // Is this the start of a block? - Count int // Event count from the cover profile. - Norm float64 // Count normalized to [0..1]. -} - -// Boundaries returns a Profile as a set of Boundary objects within the provided src. -func (p *Profile) Boundaries(src []byte) (boundaries []Boundary) { - // Find maximum count. - max := 0 - for _, b := range p.Blocks { - if b.Count > max { - max = b.Count - } - } - // Divisor for normalization. - divisor := math.Log(float64(max)) - - // boundary returns a Boundary, populating the Norm field with a normalized Count. - boundary := func(offset int, start bool, count int) Boundary { - b := Boundary{Offset: offset, Start: start, Count: count} - if !start || count == 0 { - return b - } - if max <= 1 { - b.Norm = 0.8 // Profile is in"set" mode; we want a heat map. Use cov8 in the CSS. - } else if count > 0 { - b.Norm = math.Log(float64(count)) / divisor - } - return b - } - - line, col := 1, 2 // TODO: Why is this 2? - for si, bi := 0, 0; si < len(src) && bi < len(p.Blocks); { - b := p.Blocks[bi] - if b.StartLine == line && b.StartCol == col { - boundaries = append(boundaries, boundary(si, true, b.Count)) - } - if b.EndLine == line && b.EndCol == col || line > b.EndLine { - boundaries = append(boundaries, boundary(si, false, 0)) - bi++ - continue // Don't advance through src; maybe the next block starts here. - } - if src[si] == '\n' { - line++ - col = 0 - } - col++ - si++ - } - sort.Sort(boundariesByPos(boundaries)) - return -} - -type boundariesByPos []Boundary - -func (b boundariesByPos) Len() int { return len(b) } -func (b boundariesByPos) Swap(i, j int) { b[i], b[j] = b[j], b[i] } -func (b boundariesByPos) Less(i, j int) bool { - if b[i].Offset == b[j].Offset { - return !b[i].Start && b[j].Start - } - return b[i].Offset < b[j].Offset -} |