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 +1,17 @@
+use super::*;
+
+impl Compiler {
+    pub(in crate::counter) fn count_chain_expression(&self, expr: &Expression, ctx: &mut CompileCtx) {
+        let Expression::ChainExpression(chain) = expr else {
+            return;
+        };
+        let id = ctx.next_label_id();
+        self.count_chain_element(&chain.expression, true, ctx);
+        ctx.alloc_reg();
+        ctx.projected_pc += 1; // LOAD_VAR result <- chain value
+        ctx.projected_pc += 1; // JMP over short-circuit writer
+        ctx.label_map.insert(Label::TernaryElse(id), ctx.projected_pc);
+        ctx.projected_pc += 1; // LOAD_CONST undefined
+        ctx.label_map.insert(Label::TernaryEnd(id), ctx.projected_pc);
+    }
+}