From 7b4377ad9d8a7205416df8d6217ef2b010f89481 Mon Sep 17 00:00:00 2001 From: Taras Madan Date: Wed, 22 Jan 2025 16:07:17 +0100 Subject: vendor: delete --- .../charithe/durationcheck/durationcheck.go | 191 --------------------- 1 file changed, 191 deletions(-) delete mode 100644 vendor/github.com/charithe/durationcheck/durationcheck.go (limited to 'vendor/github.com/charithe/durationcheck/durationcheck.go') diff --git a/vendor/github.com/charithe/durationcheck/durationcheck.go b/vendor/github.com/charithe/durationcheck/durationcheck.go deleted file mode 100644 index c47b3a761..000000000 --- a/vendor/github.com/charithe/durationcheck/durationcheck.go +++ /dev/null @@ -1,191 +0,0 @@ -package durationcheck - -import ( - "bytes" - "fmt" - "go/ast" - "go/format" - "go/token" - "go/types" - "log" - "os" - - "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: "durationcheck", - Doc: "check for two durations multiplied together", - Run: run, - Requires: []*analysis.Analyzer{inspect.Analyzer}, -} - -func run(pass *analysis.Pass) (interface{}, error) { - // if the package does not import time, it can be skipped from analysis - if !hasImport(pass.Pkg, "time") { - return nil, nil - } - - inspect := pass.ResultOf[inspect.Analyzer].(*inspector.Inspector) - - nodeTypes := []ast.Node{ - (*ast.BinaryExpr)(nil), - } - - inspect.Preorder(nodeTypes, check(pass)) - - return nil, nil -} - -func hasImport(pkg *types.Package, importPath string) bool { - for _, imp := range pkg.Imports() { - if imp.Path() == importPath { - return true - } - } - - return false -} - -// check contains the logic for checking that time.Duration is used correctly in the code being analysed -func check(pass *analysis.Pass) func(ast.Node) { - return func(node ast.Node) { - expr := node.(*ast.BinaryExpr) - // we are only interested in multiplication - if expr.Op != token.MUL { - return - } - - // get the types of the two operands - x, xOK := pass.TypesInfo.Types[expr.X] - y, yOK := pass.TypesInfo.Types[expr.Y] - - if !xOK || !yOK { - return - } - - if isDuration(x.Type) && isDuration(y.Type) { - // check that both sides are acceptable expressions - if isUnacceptableExpr(pass, expr.X) && isUnacceptableExpr(pass, expr.Y) { - pass.Reportf(expr.Pos(), "Multiplication of durations: `%s`", formatNode(expr)) - } - } - } -} - -func isDuration(x types.Type) bool { - return x.String() == "time.Duration" || x.String() == "*time.Duration" -} - -// isUnacceptableExpr returns true if the argument is not an acceptable time.Duration expression -func isUnacceptableExpr(pass *analysis.Pass, expr ast.Expr) bool { - switch e := expr.(type) { - case *ast.BasicLit: - return false - case *ast.Ident: - return !isAcceptableNestedExpr(pass, e) - case *ast.CallExpr: - return !isAcceptableCast(pass, e) - case *ast.BinaryExpr: - return !isAcceptableNestedExpr(pass, e) - case *ast.UnaryExpr: - return !isAcceptableNestedExpr(pass, e) - case *ast.SelectorExpr: - return !isAcceptableNestedExpr(pass, e) - case *ast.StarExpr: - return !isAcceptableNestedExpr(pass, e) - case *ast.ParenExpr: - return !isAcceptableNestedExpr(pass, e) - case *ast.IndexExpr: - return !isAcceptableNestedExpr(pass, e) - default: - return true - } -} - -// isAcceptableCast returns true if the argument is an acceptable expression cast to time.Duration -func isAcceptableCast(pass *analysis.Pass, e *ast.CallExpr) bool { - // check that there's a single argument - if len(e.Args) != 1 { - return false - } - - // check that the argument is acceptable - if !isAcceptableNestedExpr(pass, e.Args[0]) { - return false - } - - // check for time.Duration cast - selector, ok := e.Fun.(*ast.SelectorExpr) - if !ok { - return false - } - - return isDurationCast(selector) -} - -func isDurationCast(selector *ast.SelectorExpr) bool { - pkg, ok := selector.X.(*ast.Ident) - if !ok { - return false - } - - if pkg.Name != "time" { - return false - } - - return selector.Sel.Name == "Duration" -} - -func isAcceptableNestedExpr(pass *analysis.Pass, n ast.Expr) bool { - switch e := n.(type) { - case *ast.BasicLit: - return true - case *ast.BinaryExpr: - return isAcceptableNestedExpr(pass, e.X) && isAcceptableNestedExpr(pass, e.Y) - case *ast.UnaryExpr: - return isAcceptableNestedExpr(pass, e.X) - case *ast.Ident: - return isAcceptableIdent(pass, e) - case *ast.CallExpr: - if isAcceptableCast(pass, e) { - return true - } - t := pass.TypesInfo.TypeOf(e) - return !isDuration(t) - case *ast.SelectorExpr: - return isAcceptableNestedExpr(pass, e.X) && isAcceptableIdent(pass, e.Sel) - case *ast.StarExpr: - return isAcceptableNestedExpr(pass, e.X) - case *ast.ParenExpr: - return isAcceptableNestedExpr(pass, e.X) - case *ast.IndexExpr: - t := pass.TypesInfo.TypeOf(e) - return !isDuration(t) - default: - return false - } -} - -func isAcceptableIdent(pass *analysis.Pass, ident *ast.Ident) bool { - obj := pass.TypesInfo.ObjectOf(ident) - return !isDuration(obj.Type()) -} - -func formatNode(node ast.Node) string { - buf := new(bytes.Buffer) - if err := format.Node(buf, token.NewFileSet(), node); err != nil { - log.Printf("Error formatting expression: %v", err) - return "" - } - - return buf.String() -} - -func printAST(msg string, node ast.Node) { - fmt.Printf(">>> %s:\n%s\n\n\n", msg, formatNode(node)) - ast.Fprint(os.Stdout, nil, node, nil) - fmt.Println("--------------") -} -- cgit mrf-deployment