From 27e76fae2ee2d84dc7db63af1d9ed7358ba35b7a Mon Sep 17 00:00:00 2001
From: Taras Madan <tarasmadan@google.com>
Date: Mon, 11 Nov 2024 11:41:38 +0100
Subject: vendor: update

---
 vendor/github.com/raeperd/recvcheck/analyzer.go | 69 +++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 vendor/github.com/raeperd/recvcheck/analyzer.go

(limited to 'vendor/github.com/raeperd/recvcheck/analyzer.go')

diff --git a/vendor/github.com/raeperd/recvcheck/analyzer.go b/vendor/github.com/raeperd/recvcheck/analyzer.go
new file mode 100644
index 000000000..e80dfc577
--- /dev/null
+++ b/vendor/github.com/raeperd/recvcheck/analyzer.go
@@ -0,0 +1,69 @@
+package recvcheck
+
+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:     "recvcheck",
+	Doc:      "checks for receiver type consistency",
+	Run:      run,
+	Requires: []*analysis.Analyzer{inspect.Analyzer},
+}
+
+func run(pass *analysis.Pass) (any, error) {
+	inspector := pass.ResultOf[inspect.Analyzer].(*inspector.Inspector)
+
+	structs := map[string]*structType{}
+	inspector.Preorder([]ast.Node{(*ast.FuncDecl)(nil)}, func(n ast.Node) {
+		funcDecl, ok := n.(*ast.FuncDecl)
+		if !ok || funcDecl.Recv == nil || len(funcDecl.Recv.List) != 1 {
+			return
+		}
+
+		var recv *ast.Ident
+		var isStar bool
+		switch recvType := funcDecl.Recv.List[0].Type.(type) {
+		case *ast.StarExpr:
+			isStar = true
+			if recv, ok = recvType.X.(*ast.Ident); !ok {
+				return
+			}
+		case *ast.Ident:
+			recv = recvType
+		default:
+			return
+		}
+
+		var st *structType
+		st, ok = structs[recv.Name]
+		if !ok {
+			structs[recv.Name] = &structType{recv: recv.Name}
+			st = structs[recv.Name]
+		}
+
+		if isStar {
+			st.numStarMethod++
+		} else {
+			st.numTypeMethod++
+		}
+	})
+
+	for _, st := range structs {
+		if st.numStarMethod > 0 && st.numTypeMethod > 0 {
+			pass.Reportf(pass.Pkg.Scope().Lookup(st.recv).Pos(), "the methods of %q use pointer receiver and non-pointer receiver.", st.recv)
+		}
+	}
+
+	return nil, nil
+}
+
+type structType struct {
+	recv          string
+	numStarMethod int
+	numTypeMethod int
+}
-- 
cgit mrf-deployment