refactor: 清除旧代码并展开 crate

crates/oxide_compiler/src/stmt/block.rs

@@ -0,0 +1,38 @@
+use crate::compiler::{CompileCtx, Compiler};
+use oxide_parser::Statement;
+
+impl Compiler {
+    fn count_block_statement(&self, block: &oxide_parser::BlockStatement<'_>, ctx: &mut CompileCtx) {
+        for s in &block.body {
+            self.count_statement(s, ctx);
+        }
+    }
+
+    fn emit_block_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
+        let Statement::BlockStatement(block) = stmt else {
+            return Ok(None);
+        };
+        ctx.push_scope();
+        let mut r = None;
+        for s in &block.body {
+            if let Some(rr) = self.emit_statement(s, ctx)? {
+                r = Some(rr);
+            }
+        }
+        ctx.pop_scope();
+        Ok(r)
+    }
+
+    pub(crate) fn count_block_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) {
+        if let Statement::BlockStatement(block) = stmt {
+            self.count_block_statement(block, ctx);
+        }
+    }
+
+    pub(crate) fn emit_block_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
+        match stmt {
+            Statement::BlockStatement(_) => self.emit_block_statement(stmt, ctx),
+            _ => Ok(None),
+        }
+    }
+}