perf: 类私有名作用域容器改哈希表，点查由线性扫描改 O(1)

Cargo.lock

@@ -1160,7 +1160,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_builtins"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "chrono",
  "fast-float",
@@ -1185,7 +1185,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_bytecode"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "num-bigint",
  "oxide_log",
@@ -1193,7 +1193,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_cfg"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "oxide_bytecode",
  "oxide_emit",
@@ -1204,7 +1204,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_cli"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "ansi_term",
  "bumpalo",
@@ -1228,7 +1228,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_code_cache"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "lru",
  "oxide_bytecode",
@@ -1237,7 +1237,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_compiler"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1257,7 +1257,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_dce"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1271,7 +1271,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_emit"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "num-bigint",
  "oxc_allocator",
@@ -1286,7 +1286,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_engine"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "oxide_bytecode",
  "oxide_compiler",
@@ -1298,7 +1298,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_ir"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "oxide_bytecode",
  "oxide_log",
@@ -1307,7 +1307,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_kernel"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "bumpalo",
  "dashmap",
@@ -1321,7 +1321,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_liveness"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1333,7 +1333,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_log"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "tracing",
  "tracing-appender",
@@ -1342,11 +1342,11 @@ dependencies = [
 
 [[package]]
 name = "oxide_net"
-version = "0.16.3"
+version = "0.16.4"
 
 [[package]]
 name = "oxide_parser"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "oxc_allocator",
  "oxc_ast",
@@ -1361,7 +1361,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_regalloc"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1377,7 +1377,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_runtime_api"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "num-bigint",
  "num-traits",
@@ -1390,7 +1390,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_test262"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "oxide_bytecode",
  "oxide_compiler",
@@ -1410,7 +1410,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_types"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "bumpalo",
  "dashmap",
@@ -1423,7 +1423,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_vm"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "bumpalo",
  "chrono",

Cargo.toml

@@ -24,7 +24,7 @@ members = [
 ]
 
 [workspace.package]
-version = "0.16.3"
+version = "0.16.4"
 edition = "2021"
 license = "MIT"
 rust-version = "1.80"

crates/oxide_emit/src/class/emit.rs

@@ -167,10 +167,8 @@ impl Emitter {
         let mut stacked_names = saved_private_names.clone();
         let mut stacked_kinds = saved_private_kinds.clone();
         for (n, id, kind, is_static) in &private_names {
-            stacked_names.retain(|(en, _)| en != n);
+            stacked_names.insert(n.clone(), *id);
-            stacked_kinds.retain(|(en, _, _, _)| en != n);
+            stacked_kinds.insert(n.clone(), (*kind, *is_static, private_brand_id.unwrap_or(0)));
-            stacked_names.push((n.clone(), *id));
-            stacked_kinds.push((n.clone(), *kind, *is_static, private_brand_id.unwrap_or(0)));
         }
         ctx.scopes.private_name_map = stacked_names;
         ctx.scopes.private_element_kinds = stacked_kinds;

crates/oxide_emit/src/compile_ctx.rs

@@ -266,8 +266,8 @@ impl CompileCtx {
             scopes: ScopeCtx {
                 symbols: SymbolTable::new(),
                 builtin_reg_map: Vec::new(),
-                private_name_map: Vec::new(),
+                private_name_map: HashMap::new(),
-                private_element_kinds: Vec::new(),
+                private_element_kinds: HashMap::new(),
                 private_brand_id: None,
                 next_private_name_id: 1,
             },

crates/oxide_emit/src/emit_ctx.rs

@@ -5,6 +5,8 @@
 //! `PatternCtx` 为解构工作预留。执行流字段（insts/registers/pc 等）仍
 //! 平铺在 `CompileCtx` 上。
 
+use std::collections::HashMap;
+
 use crate::symbol_table::SymbolTable;
 use oxide_ir::operand::LabelId;
 use oxide_parser::MethodDefinitionKind;
@@ -147,12 +149,13 @@ impl LabelCtx {
 pub(crate) struct ScopeCtx {
     pub(crate) symbols: SymbolTable,
     pub(crate) builtin_reg_map: Vec<(String, u32)>,
-    pub(crate) private_name_map: Vec<(String, u32)>,
+    /// 私有名 → 私有名 id。
-    /// 私有元素类型（name, kind，static 标志，声明类 brand id）。kind=None 表示
+    pub(crate) private_name_map: HashMap<String, u32>,
+    /// 私有元素类型（kind，static 标志，声明类 brand id）。kind=None 表示
     /// 字段；instance 字段的私有访问走 PrivateFieldFind 原型链查找，不加 brand
     /// 检查。brand_id 是声明该私有名的类的 brand id：跨类访问时 brand 检查须
     /// 定位声明类（而非访问发生处类）的 brand 对象。
-    pub(crate) private_element_kinds: Vec<(String, Option<MethodDefinitionKind>, bool, u32)>,
+    pub(crate) private_element_kinds: HashMap<String, (Option<MethodDefinitionKind>, bool, u32)>,
     /// 当前类的私有 brand 私有名 id：私有方法/访问器访问时对实例做 brand 检查。
     pub(crate) private_brand_id: Option<u32>,
     pub(crate) next_private_name_id: u32,

crates/oxide_emit/src/shared/class_key.rs

@@ -12,8 +12,8 @@ impl Emitter {
     pub(crate) fn private_name_id(&self, name: &str, ctx: &CompileCtx) -> Result<u32, String> {
         ctx.scopes
             .private_name_map
-            .iter()
+            .get(name)
-            .find_map(|(n, id)| (n == name).then_some(*id))
+            .copied()
             .ok_or_else(|| format!("private name #{name} is not defined"))
     }
 
@@ -36,8 +36,7 @@ impl Emitter {
     pub(crate) fn private_access_brand(
         &self, _obj_reg: u32, name: &str, ctx: &mut CompileCtx,
     ) -> Result<(u32, u32), String> {
-        let entry = ctx.scopes.private_element_kinds.iter().find(|(n, _, _, _)| n == name);
+        let Some((kind, is_static, brand_id)) = ctx.scopes.private_element_kinds.get(name) else {
-        let Some((_, kind, is_static, brand_id)) = entry else {
             return Ok((0, 0));
         };
         if kind.is_none() && !is_static {