Function testingTParamName

tools/parallelize/parallelize.go:134–158

testingTParamName returns the name of the *testing.T parameter, or "" if not found.

(fn *ast.FuncDecl)

// testingTParamName returns the name of the *testing.T parameter, or "" if not found.
func testingTParamName(fn *ast.FuncDecl) string {
	if fn.Type.Params == nil || len(fn.Type.Params.List) == 0 {
		return ""
	}
	for _, field := range fn.Type.Params.List {
		starExpr, ok := field.Type.(*ast.StarExpr)
		if !ok {
			continue
		}
		selExpr, ok := starExpr.X.(*ast.SelectorExpr)
		if !ok {
			continue
		}
		pkg, ok := selExpr.X.(*ast.Ident)
		if !ok {
			continue
		}
		if pkg.Name == "testing" && selExpr.Sel.Name == "T" {
			if len(field.Names) > 0 {
				return field.Names[0].Name
			}
		}
	}
	return ""
}

// hasNoLintComment checks for //parallelize:ignore in the function's doc comment.
func hasNoLintComment(fn *ast.FuncDecl) bool {