1 files changed, 99 insertions, 0 deletions
diff --git a/vendor/github.com/mgechev/revive/lint/linter.go b/vendor/github.com/mgechev/revive/lint/linter.go
new file mode 100644
index 0000000000..cdca84fb56
--- /dev/null
+++ b/vendor/github.com/mgechev/revive/lint/linter.go
@@ -0,0 +1,99 @@
+package lint
+
+import (
+	"bufio"
+	"bytes"
+	"fmt"
+	"go/token"
+	"os"
+	"sync"
+)
+
+// ReadFile defines an abstraction for reading files.
+type ReadFile func(path string) (result []byte, err error)
+
+type disabledIntervalsMap = map[string][]DisabledInterval
+
+// Linter is used for linting set of files.
+type Linter struct {
+	reader ReadFile
+}
+
+// New creates a new Linter
+func New(reader ReadFile) Linter {
+	return Linter{reader: reader}
+}
+
+var (
+	genHdr = []byte("// Code generated ")
+	genFtr = []byte(" DO NOT EDIT.")
+)
+
+// Lint lints a set of files with the specified rule.
+func (l *Linter) Lint(packages [][]string, ruleSet []Rule, config Config) (<-chan Failure, error) {
+	failures := make(chan Failure)
+
+	var wg sync.WaitGroup
+	for _, pkg := range packages {
+		wg.Add(1)
+		go func(pkg []string) {
+			if err := l.lintPackage(pkg, ruleSet, config, failures); err != nil {
+				fmt.Fprintln(os.Stderr, err)
+				os.Exit(1)
+			}
+			defer wg.Done()
+		}(pkg)
+	}
+
+	go func() {
+		wg.Wait()
+		close(failures)
+	}()
+
+	return failures, nil
+}
+
+func (l *Linter) lintPackage(filenames []string, ruleSet []Rule, config Config, failures chan Failure) error {
+	pkg := &Package{
+		fset:  token.NewFileSet(),
+		files: map[string]*File{},
+		mu:    sync.Mutex{},
+	}
+	for _, filename := range filenames {
+		content, err := l.reader(filename)
+		if err != nil {
+			return err
+		}
+		if isGenerated(content) && !config.IgnoreGeneratedHeader {
+			continue
+		}
+
+		file, err := NewFile(filename, content, pkg)
+		if err != nil {
+			return err
+		}
+		pkg.files[filename] = file
+	}
+
+	if len(pkg.files) == 0 {
+		return nil
+	}
+
+	pkg.lint(ruleSet, config, failures)
+
+	return nil
+}
+
+// isGenerated reports whether the source file is generated code
+// according the rules from https://golang.org/s/generatedcode.
+// This is inherited from the original go lint.
+func isGenerated(src []byte) bool {
+	sc := bufio.NewScanner(bytes.NewReader(src))
+	for sc.Scan() {
+		b := sc.Bytes()
+		if bytes.HasPrefix(b, genHdr) && bytes.HasSuffix(b, genFtr) && len(b) >= len(genHdr)+len(genFtr) {
+			return true
+		}
+	}
+	return false
+}