vendor/github.com/golangci/golangci-lint: update to v1.31

2 files changed, 107 insertions, 0 deletions

diff --git a/vendor/github.com/ssgreg/nlreturn/v2/LICENSE b/vendor/github.com/ssgreg/nlreturn/v2/LICENSE
new file mode 100644
index 000000000..0a5b4d106
--- /dev/null
+++ b/vendor/github.com/ssgreg/nlreturn/v2/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Grigory Zubankov
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/vendor/github.com/ssgreg/nlreturn/v2/pkg/nlreturn/nlreturn.go b/vendor/github.com/ssgreg/nlreturn/v2/pkg/nlreturn/nlreturn.go
new file mode 100644
index 000000000..52318ccfd
--- /dev/null
+++ b/vendor/github.com/ssgreg/nlreturn/v2/pkg/nlreturn/nlreturn.go
@@ -0,0 +1,86 @@
+package nlreturn
+
+import (
+	"fmt"
+	"go/ast"
+	"go/token"
+
+	"golang.org/x/tools/go/analysis"
+)
+
+const (
+	linterName = "nlreturn"
+	linterDoc  = `Linter requires a new line before return and branch statements except when the return is alone inside a statement group (such as an if statement) to increase code clarity.`
+)
+
+// NewAnalyzer returns a new nlreturn analyzer.
+func NewAnalyzer() *analysis.Analyzer {
+	return &analysis.Analyzer{
+		Name: linterName,
+		Doc:  linterDoc,
+		Run:  run,
+	}
+}
+
+func run(pass *analysis.Pass) (interface{}, error) {
+	for _, f := range pass.Files {
+		ast.Inspect(f, func(node ast.Node) bool {
+			switch c := node.(type) {
+			case *ast.CaseClause:
+				inspectBlock(pass, c.Body)
+			case *ast.CommClause:
+				inspectBlock(pass, c.Body)
+			case *ast.BlockStmt:
+				inspectBlock(pass, c.List)
+			}
+
+			return true
+		})
+	}
+
+	return nil, nil
+}
+
+func inspectBlock(pass *analysis.Pass, block []ast.Stmt) {
+	for i, stmt := range block {
+		switch stmt.(type) {
+		case *ast.BranchStmt, *ast.ReturnStmt:
+			if i == 0 {
+				return
+			}
+
+			if line(pass, stmt.Pos())-line(pass, block[i-1].End()) <= 1 {
+				pass.Report(analysis.Diagnostic{
+					Pos:     stmt.Pos(),
+					Message: fmt.Sprintf("%s with no blank line before", name(stmt)),
+					SuggestedFixes: []analysis.SuggestedFix{
+						{
+							TextEdits: []analysis.TextEdit{
+								{
+									Pos:     stmt.Pos(),
+									NewText: []byte("\n"),
+									End:     stmt.Pos(),
+								},
+							},
+						},
+					},
+				})
+			}
+		}
+	}
+}
+
+func name(stmt ast.Stmt) string {
+	switch c := stmt.(type) {
+	case *ast.BranchStmt:
+		return c.Tok.String()
+	case *ast.ReturnStmt:
+		return "return"
+	default:
+		return "unknown"
+	}
+}
+
+func line(pass *analysis.Pass, pos token.Pos) int {
+	return pass.Fset.Position(pos).Line
+}