chore: upgrade coredns version (#550)

vendor/github.com/expr-lang/expr/patcher/with_context.go

@@ -0,0 +1,45 @@
+package patcher
+
+import (
+	"reflect"
+
+	"github.com/expr-lang/expr/ast"
+)
+
+// WithContext adds WithContext.Name argument to all functions calls with a context.Context argument.
+type WithContext struct {
+	Name string
+}
+
+// Visit adds WithContext.Name argument to all functions calls with a context.Context argument.
+func (w WithContext) Visit(node *ast.Node) {
+	switch call := (*node).(type) {
+	case *ast.CallNode:
+		fn := call.Callee.Type()
+		if fn == nil {
+			return
+		}
+		if fn.Kind() != reflect.Func {
+			return
+		}
+		switch fn.NumIn() {
+		case 0:
+			return
+		case 1:
+			if fn.In(0).String() != "context.Context" {
+				return
+			}
+		default:
+			if fn.In(0).String() != "context.Context" &&
+				fn.In(1).String() != "context.Context" {
+				return
+			}
+		}
+		ast.Patch(node, &ast.CallNode{
+			Callee: call.Callee,
+			Arguments: append([]ast.Node{
+				&ast.IdentifierNode{Value: w.Name},
+			}, call.Arguments...),
+		})
+	}
+}