refactor: 拆分 counter expression 计数分发

2026-06-23 17:58:19 +08:00
parent fd11b7636a
commit 4ef7274283
11 changed files with 590 additions and 426 deletions
@@ -0,0 +1,44 @@
+use super::*;
+
+impl Compiler {
+    pub(in crate::counter) fn count_static_member_expression(&self, expr: &Expression, ctx: &mut CompileCtx) {
+        let Expression::StaticMemberExpression(member) = expr else {
+            return;
+        };
+        if matches!(&member.object, Expression::Super(_)) {
+            ctx.count_load_const(); // key
+            ctx.count_load_var(); // this
+            ctx.alloc_reg(); // result
+            ctx.count_instr(); // SUPER_GET_PROP
+            return;
+        }
+        self.count_expression(&member.object, ctx);
+        ctx.count_load_const(); // key
+        ctx.count_ic_instr_with_ext(); // IC_GET_PROP + 3 ext words
+    }
+
+    pub(in crate::counter) fn count_computed_member_expression(&self, expr: &Expression, ctx: &mut CompileCtx) {
+        let Expression::ComputedMemberExpression(member) = expr else {
+            return;
+        };
+        self.count_expression(&member.object, ctx);
+        self.count_expression(&member.expression, ctx);
+        ctx.alloc_reg();
+        ctx.projected_pc += 1; // GET_PROP_DYNAMIC
+    }
+
+    pub(in crate::counter) fn count_private_field_expression(&self, expr: &Expression, ctx: &mut CompileCtx) {
+        let Expression::PrivateFieldExpression(member) = expr else {
+            return;
+        };
+        self.count_expression(&member.object, ctx);
+        ctx.count_private_access();
+    }
+
+    pub(in crate::counter) fn count_parenthesized_expression(&self, expr: &Expression, ctx: &mut CompileCtx) {
+        let Expression::ParenthesizedExpression(p) = expr else {
+            return;
+        };
+        self.count_expression(&p.expression, ctx);
+    }
+}