add plugins

pkg/plugin/wasm/memory.go

@@ -0,0 +1,29 @@
+package wasm
+
+import (
+	"github.com/tetratelabs/wazero/api"
+)
+
+// ReadString 从 WASM 内存读取字符串
+func ReadString(mem api.Memory, ptr, len uint32) (string, bool) {
+	data, ok := mem.Read(ptr, len)
+	if !ok {
+		return "", false
+	}
+	return string(data), true
+}
+
+// WriteString 向 WASM 内存写入字符串
+func WriteString(mem api.Memory, ptr uint32, s string) bool {
+	return mem.Write(ptr, []byte(s))
+}
+
+// ReadBytes 从 WASM 内存读取字节
+func ReadBytes(mem api.Memory, ptr, len uint32) ([]byte, bool) {
+	return mem.Read(ptr, len)
+}
+
+// WriteBytes 向 WASM 内存写入字节
+func WriteBytes(mem api.Memory, ptr uint32, data []byte) bool {
+	return mem.Write(ptr, data)
+}