From 46f53281833297df93f0cbac36d2a03578505363 Mon Sep 17 00:00:00 2001
From: zzy <2450266535@qq.com>
Date: Sun, 1 Mar 2026 16:02:04 +0800
Subject: [PATCH] =?UTF-8?q?fix(pproc):=20=E4=BF=AE=E5=A4=8D=E5=AE=8F?=
 =?UTF-8?q?=E5=8F=82=E6=95=B0=E8=A7=A3=E6=9E=90=E4=B8=AD=E7=9A=84=E7=A9=BA?=
 =?UTF-8?q?=E7=99=BD=E5=AD=97=E7=AC=A6=E5=A4=84=E7=90=86=E9=97=AE=E9=A2=98?=
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- 在宏参数解析过程中使用 scc_lexer_next_non_blank 替代直接的 ring 操作，
  确保正确跳过空白字符

- 更新 scc_pproc_expand_by_src 和 rescan 函数中使用
  scc_lexer_peek_non_blank 替代原来的 scc_ring_peek，
  以正确处理预处理器展开时的空白字符

- 修正测试用例中的预期输出，移除多余的空格
---
 libs/pproc/src/pproc_directive.c   | 2 +-
 libs/pproc/src/pproc_expand.c      | 4 ++--
 libs/pproc/tests/test_pproc_unit.c | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libs/pproc/src/pproc_directive.c b/libs/pproc/src/pproc_directive.c
index 5387920..550bfda 100644
--- a/libs/pproc/src/pproc_directive.c
+++ b/libs/pproc/src/pproc_directive.c
@@ -55,10 +55,10 @@ void scc_pproc_parse_macro_arguments(scc_lexer_tok_ring_t *ring,
     int ok;
     do {
         scc_ring_next_consume(*ring, tok, ok);
+        // ok = scc_lexer_next_non_blank(ring, &tok);
         if (!ok) {
             return;
         }
-        // scc_lexer_next_non_blank(ring, &tok);
         if (tok.type == SCC_TOK_R_PAREN) {
             depth--;
         }
diff --git a/libs/pproc/src/pproc_expand.c b/libs/pproc/src/pproc_expand.c
index eb5b4e7..5c7f5f4 100644
--- a/libs/pproc/src/pproc_expand.c
+++ b/libs/pproc/src/pproc_expand.c
@@ -109,7 +109,7 @@ void scc_pproc_expand_by_src(scc_pproc_macro_table_t *macro_table,
         scc_pproc_parse_macro_arguments(input, &expaned_buffer, true);
     }
     while (1) {
-        scc_ring_peek(*input, tok, ok);
+        ok = scc_lexer_peek_non_blank(input, &tok);
         if (ok == false) {
             break;
         }
@@ -288,7 +288,7 @@ static void rescan(scc_pproc_expand_t *expand_ctx,
 
     int ok = false;
     scc_lexer_tok_t tok;
-    scc_ring_peek(*expand_ctx->input, tok, ok);
+    ok = scc_lexer_peek_non_blank(expand_ctx->input, &tok);
     if (ok && tok.type == SCC_TOK_L_PAREN) {
         scc_lexer_tok_vec_t expaned_buffer;
         scc_vec_init(expaned_buffer);
diff --git a/libs/pproc/tests/test_pproc_unit.c b/libs/pproc/tests/test_pproc_unit.c
index d505fdd..4750f40 100644
--- a/libs/pproc/tests/test_pproc_unit.c
+++ b/libs/pproc/tests/test_pproc_unit.c
@@ -568,7 +568,7 @@ static void test_c99_docs(void) {
                           "\t\t\tt(10,,), t(,11,), t(,,12), t(,,) };\n",
 
                           "int j[] = { 123, 45, 67, 89,\n"
-                          "\t\t\t10, 11, 12,  };\n");
+                          "\t\t\t10, 11, 12, };\n");
 
     TEST_CASE("EXAMPLE 6 To demonstrate the redefinition rules, the following "
               "sequence is valid.");