build: separate compiler and libs

compiler/internal/runtime/z_cgo.go

@@ -0,0 +1,46 @@
+/*
+ * 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 runtime
+
+import (
+	"unsafe"
+
+	"github.com/goplus/llgo/c"
+)
+
+func CString(s string) *int8 {
+	p := c.Malloc(uintptr(len(s)) + 1)
+	return CStrCopy(p, *(*String)(unsafe.Pointer(&s)))
+}
+
+func CBytes(b []byte) *int8 {
+	p := c.Malloc(uintptr(len(b)))
+	c.Memcpy(p, unsafe.Pointer(&b[0]), uintptr(len(b)))
+	return (*int8)(p)
+}
+
+func GoString(p *int8) string {
+	return GoStringN(p, int(c.Strlen(p)))
+}
+
+func GoStringN(p *int8, n int) string {
+	return string((*[1 << 30]byte)(unsafe.Pointer(p))[:n:n])
+}
+
+func GoBytes(p *int8, n int) []byte {
+	return (*[1 << 30]byte)(unsafe.Pointer(p))[:n:n]
+}