selfhost: add ternary parser and plugin prefix guard

src/runtime/plugin_loader_v2/stub.rs

@@ -3,15 +3,27 @@ use crate::box_trait::NyashBox;
 use once_cell::sync::Lazy;
 use std::sync::{Arc, RwLock};
 
+pub type InvokeFn = unsafe extern "C" fn(u32, u32, u32, *const u8, usize, *mut u8, *mut usize) -> i32;
+
 #[derive(Debug, Clone)]
 pub struct PluginBoxV2 {
     pub box_type: String,
     pub inner: std::sync::Arc<PluginHandleInner>,
 }
 
+#[derive(Debug, Clone)]
+pub struct PluginBoxMetadata {
+    pub lib_name: String,
+    pub box_type: String,
+    pub type_id: u32,
+    pub invoke_fn: InvokeFn,
+    pub fini_method_id: Option<u32>,
+}
+
 #[derive(Debug)]
 pub struct PluginHandleInner {
     pub type_id: u32,
+    pub invoke_fn: InvokeFn,
     pub instance_id: u32,
     pub fini_method_id: Option<u32>,
 }
@@ -25,6 +37,7 @@ impl PluginLoaderV2 {
     pub fn create_box(&self, _t: &str, _a: &[Box<dyn NyashBox>]) -> BidResult<Box<dyn NyashBox>> { Err(BidError::PluginError) }
     pub fn extern_call(&self, _iface_name: &str, _method_name: &str, _args: &[Box<dyn NyashBox>]) -> BidResult<Option<Box<dyn NyashBox>>> { Err(BidError::PluginError) }
     pub fn invoke_instance_method(&self, _box_type: &str, _method_name: &str, _instance_id: u32, _args: &[Box<dyn NyashBox>]) -> BidResult<Option<Box<dyn NyashBox>>> { Err(BidError::PluginError) }
+    pub fn metadata_for_type_id(&self, _type_id: u32) -> Option<PluginBoxMetadata> { None }
     pub fn shutdown_singletons(&self) {}
 }
 
@@ -34,3 +47,25 @@ pub fn init_global_loader_v2(_config_path: &str) -> BidResult<()> { Ok(()) }
 pub fn shutdown_plugins_v2() -> BidResult<()> { Ok(()) }
 
 pub fn backend_kind() -> &'static str { "stub" }
+
+pub fn metadata_for_type_id(_type_id: u32) -> Option<PluginBoxMetadata> { None }
+
+pub fn make_plugin_box_v2(box_type: String, type_id: u32, instance_id: u32, invoke_fn: InvokeFn) -> PluginBoxV2 {
+    PluginBoxV2 {
+        box_type,
+        inner: Arc::new(PluginHandleInner { type_id, invoke_fn, instance_id, fini_method_id: None }),
+    }
+}
+
+pub fn construct_plugin_box(
+    box_type: String,
+    type_id: u32,
+    invoke_fn: InvokeFn,
+    instance_id: u32,
+    fini_method_id: Option<u32>,
+) -> PluginBoxV2 {
+    PluginBoxV2 {
+        box_type,
+        inner: Arc::new(PluginHandleInner { type_id, invoke_fn, instance_id, fini_method_id }),
+    }
+}