cpp/std: support nogc

cpp/std/std_nogc.go

@@ -0,0 +1,35 @@
+//go:build nogc
+// +build nogc
+
+/*
+ * Copyright (c) 2024 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 std
+
+import (
+	"unsafe"
+
+	"github.com/goplus/llgo/c"
+)
+
+// -----------------------------------------------------------------------------
+
+func allocString() *String {
+	ptr := c.Malloc(unsafe.Sizeof(String{}))
+	return (*String)(ptr)
+}
+
+// -----------------------------------------------------------------------------