stage1 完成15测试

stage1/spl_stmt.c

@@ -37,6 +37,11 @@ static void parse_ret_stmt(spl_comp_t *ctx) {
     advance(ctx); /* ret */
     skip_nl(ctx);
 
+    /* Before returning, execute all pending defers from innermost scope outward */
+    for (int d = ctx->scope_depth; d >= 1; d--) {
+        spl_emit_defer_epilogue(ctx, d);
+    }
+
     if (peek(ctx)->type == TOK_SEMICOLON || peek(ctx)->type == TOK_R_BRACE ||
         peek(ctx)->type == TOK_ENDLINE) {
         /* void return */
@@ -151,6 +156,7 @@ void spl_parse_block(spl_comp_t *ctx) {
             skip_nl(ctx);
         }
 
+        spl_emit_defer_epilogue(ctx, ctx->scope_depth);
         spl_pop_scope(ctx);
         if (peek(ctx)->type == TOK_R_BRACE)
             advance(ctx);
@@ -339,6 +345,7 @@ static void parse_for_stmt(spl_comp_t *ctx) {
         ctx->in_loop = saved_loop;
         ctx->continue_target = saved_continue;
 
+        spl_emit_defer_epilogue(ctx, ctx->scope_depth);
         spl_pop_scope(ctx);
         return;
     }
@@ -520,7 +527,7 @@ static void parse_defer_stmt(spl_comp_t *ctx) {
     advance(ctx); /* defer */
     skip_nl(ctx);
 
-    /* Record current position for defer */
+    /* Record current position for defer (emits a JMP skip placeholder) */
     spl_emit_defer(ctx);
 
     /* Parse the deferred statement/block */
@@ -529,6 +536,12 @@ static void parse_defer_stmt(spl_comp_t *ctx) {
     } else {
         spl_parse_stmt(ctx);
     }
+
+    /* Emit JMP exit placeholder — will be patched at scope exit */
+    if (ctx->defer_count > 0) {
+        spl_defer_entry_t *e = &ctx->defer_stack[ctx->defer_count - 1];
+        e->jmp_exit = spl_emit_jmp(ctx);
+    }
 }
 
 /* ============================================================