chore: clangpp, clangast

x/clang/pathutil/pathutil.go

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2022 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package pathutil
+
+import (
+	"path/filepath"
+)
+
+func Canonical(baseDir string, uri string) string {
+	if filepath.IsAbs(uri) {
+		return filepath.Clean(uri)
+	}
+	return filepath.Join(baseDir, uri)
+}