From: Lukas Krickl <lukas@krickl.dev>
Date: Mon, 6 Nov 2023 19:16:51 +0000 (+0100)
Subject: WIP: preproc directive detection
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=1f685f6a332ca72505019726a5c30c0cc682ce39;p=ulas%2F.git

WIP: preproc directive detection
---

diff --git a/src/preproc.c b/src/preproc.c
index 8dbde7a..7fe00db 100644
--- a/src/preproc.c
+++ b/src/preproc.c
@@ -5,7 +5,7 @@
 #include <stdio.h>
 #include <assert.h>
 
-bool ulas_tokpreproc(char c) { return !isalnum(c); }
+bool ulas_tokpreproc(char c) { return !isalnum(c) && c != '#'; }
 
 char *ulas_preprocexpand(char *line, size_t linemax, const char *raw_line,
                          size_t *n) {
@@ -61,6 +61,8 @@ found:
 
   if (found_dir) {
     // TODO: process directive
+    printf("%s preproc directive!\n", tok);
+    fputc('\0', dst);
   } else {
     assert(fwrite(line, 1, n, dst) == n);
   }
diff --git a/src/test.c b/src/test.c
index 32d804d..a9f39ef 100644
--- a/src/test.c
+++ b/src/test.c
@@ -61,6 +61,7 @@ void test_preproc(void) {
 
   // should just echo back line as is
   assert_preproc("  test line", 0, "  test line");
+  assert_preproc("", 0, "  #define test");
 
   TESTEND("preproc");
 }