stage1 完成11-13测试

stage1/spl_stmt.c

@@ -4,14 +4,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-static spl_tok_t *peek(spl_comp_t *ctx) { return &vec_at(ctx->toks, ctx->tok_idx); }
-
-static spl_tok_t *advance(spl_comp_t *ctx) {
-    spl_tok_t *t = &vec_at(ctx->toks, ctx->tok_idx);
-    if (t->type != TOK_EOF)
-        ctx->tok_idx++;
-    return t;
-}
+/* Token helpers — using shared peek/advance from spl_parser.c */
 
 static int expect(spl_comp_t *ctx, spl_tok_type_t type) {
     if (peek(ctx)->type == type) {