1 files changed, 67 insertions, 0 deletions
diff --git a/vendor/github.com/macabu/inamedparam/inamedparam.go b/vendor/github.com/macabu/inamedparam/inamedparam.go
new file mode 100644
index 000000000..433e04e5b
--- /dev/null
+++ b/vendor/github.com/macabu/inamedparam/inamedparam.go
@@ -0,0 +1,67 @@
+package inamedparam
+
+import (
+	"go/ast"
+
+	"golang.org/x/tools/go/analysis"
+	"golang.org/x/tools/go/analysis/passes/inspect"
+	"golang.org/x/tools/go/ast/inspector"
+)
+
+var Analyzer = &analysis.Analyzer{
+	Name: "inamedparam",
+	Doc:  "reports interfaces with unnamed method parameters",
+	Run:  run,
+	Requires: []*analysis.Analyzer{
+		inspect.Analyzer,
+	},
+}
+
+func run(pass *analysis.Pass) (interface{}, error) {
+	inspect := pass.ResultOf[inspect.Analyzer].(*inspector.Inspector)
+
+	types := []ast.Node{
+		&ast.InterfaceType{},
+	}
+
+	inspect.Preorder(types, func(n ast.Node) {
+		interfaceType, ok := n.(*ast.InterfaceType)
+		if !ok || interfaceType == nil || interfaceType.Methods == nil {
+			return
+		}
+
+		for _, method := range interfaceType.Methods.List {
+			interfaceFunc, ok := method.Type.(*ast.FuncType)
+			if !ok || interfaceFunc == nil || interfaceFunc.Params == nil {
+				continue
+			}
+
+			methodName := method.Names[0].Name
+
+			for _, param := range interfaceFunc.Params.List {
+				if param.Names == nil {
+					var builtParamType string
+
+					switch paramType := param.Type.(type) {
+					case *ast.SelectorExpr:
+						if ident := paramType.X.(*ast.Ident); ident != nil {
+							builtParamType += ident.Name + "."
+						}
+
+						builtParamType += paramType.Sel.Name
+					case *ast.Ident:
+						builtParamType = paramType.Name
+					}
+
+					if builtParamType != "" {
+						pass.Reportf(param.Pos(), "interface method %v must have named param for type %v", methodName, builtParamType)
+					} else {
+						pass.Reportf(param.Pos(), "interface method %v must have all named params", methodName)
+					}
+				}
+			}
+		}
+	})
+
+	return nil, nil
+}