go.mod: vendor golangci-lint

1 files changed, 100 insertions, 0 deletions

diff --git a/vendor/github.com/golangci/dupl/printer/text.go b/vendor/github.com/golangci/dupl/printer/text.go
new file mode 100644
index 000000000..8359fa76f
--- /dev/null
+++ b/vendor/github.com/golangci/dupl/printer/text.go
@@ -0,0 +1,100 @@
+package printer
+
+import (
+	"fmt"
+	"io"
+	"sort"
+
+	"github.com/golangci/dupl/syntax"
+)
+
+type text struct {
+	cnt int
+	w   io.Writer
+	ReadFile
+}
+
+func NewText(w io.Writer, fread ReadFile) Printer {
+	return &text{w: w, ReadFile: fread}
+}
+
+func (p *text) PrintHeader() error { return nil }
+
+func (p *text) PrintClones(dups [][]*syntax.Node) error {
+	p.cnt++
+	fmt.Fprintf(p.w, "found %d clones:\n", len(dups))
+	clones, err := prepareClonesInfo(p.ReadFile, dups)
+	if err != nil {
+		return err
+	}
+	sort.Sort(byNameAndLine(clones))
+	for _, cl := range clones {
+		fmt.Fprintf(p.w, "  %s:%d,%d\n", cl.filename, cl.lineStart, cl.lineEnd)
+	}
+	return nil
+}
+
+func (p *text) PrintFooter() error {
+	_, err := fmt.Fprintf(p.w, "\nFound total %d clone groups.\n", p.cnt)
+	return err
+}
+
+func prepareClonesInfo(fread ReadFile, dups [][]*syntax.Node) ([]clone, error) {
+	clones := make([]clone, len(dups))
+	for i, dup := range dups {
+		cnt := len(dup)
+		if cnt == 0 {
+			panic("zero length dup")
+		}
+		nstart := dup[0]
+		nend := dup[cnt-1]
+
+		file, err := fread(nstart.Filename)
+		if err != nil {
+			return nil, err
+		}
+
+		cl := clone{filename: nstart.Filename}
+		cl.lineStart, cl.lineEnd = blockLines(file, nstart.Pos, nend.End)
+		clones[i] = cl
+	}
+	return clones, nil
+}
+
+func blockLines(file []byte, from, to int) (int, int) {
+	line := 1
+	lineStart, lineEnd := 0, 0
+	for offset, b := range file {
+		if b == '\n' {
+			line++
+		}
+		if offset == from {
+			lineStart = line
+		}
+		if offset == to-1 {
+			lineEnd = line
+			break
+		}
+	}
+	return lineStart, lineEnd
+}
+
+type clone struct {
+	filename  string
+	lineStart int
+	lineEnd   int
+	fragment  []byte
+}
+
+type byNameAndLine []clone
+
+func (c byNameAndLine) Len() int { return len(c) }
+
+func (c byNameAndLine) Swap(i, j int) { c[i], c[j] = c[j], c[i] }
+
+func (c byNameAndLine) Less(i, j int) bool {
+	if c[i].filename == c[j].filename {
+		return c[i].lineStart < c[j].lineStart
+	}
+	return c[i].filename < c[j].filename
+}