a little program to change // comments to /* */ ones

diff --git a/src/mesa/shader/slang/MachineIndependent/preprocessor/cpp_comment_fix.c b/src/mesa/shader/slang/MachineIndependent/preprocessor/cpp_comment_fix.c
new file mode 100644 (file)
index 0000000..0c30735
--- /dev/null
+++ b/src/mesa/shader/slang/MachineIndependent/preprocessor/cpp_comment_fix.c
@@ -0,0 +1,76 @@
+/* converts c++ to c comments */
+/* usage: ./cpp_comment_fix source */
+
+#include <stdio.h>
+
+int main (int argc, char *argv[])
+{
+       FILE *f;
+       int c;
+       char *buf = NULL;
+       int size = 0, i = 0;
+       
+       f = fopen (argv[1], "r");
+       while ((c = fgetc (f)) != EOF)
+       {
+               buf = (void *) realloc (buf, size + 1);
+               buf[size] = c;
+               size++;
+       }
+       fclose (f);
+       
+       f = fopen (argv[1], "w");
+
+       while (i < size)
+       {
+               if (buf[i] == '/')
+               {
+                       if (buf[i+1] == '/')
+                       {
+                               fprintf (f, "/*");
+                               i+=2;
+                               while (buf[i] != '\n' && buf[i] != '\r' && i < size)
+                                       fprintf (f, "%c", buf[i++]);
+                               fprintf (f, " */\n");
+                               if (i < size && buf[i] == '\n')
+                                       i++;
+                               else if (i < size && buf[i] == '\r')
+                                       i+=2;
+                       }
+                       else
+                       {
+                               fprintf (f, "/");
+                               i++;
+
+                               if (buf[i] == '*')
+                               {
+                                       fprintf (f, "*");
+                                       i++;
+
+                                       for (;;)
+                                       {
+                                               if (buf[i] == '*' && buf[i+1] == '/')
+                                               {
+                                                       fprintf (f, "*/");
+                                                       i+=2;
+                                                       break;
+                                               }
+                                               else
+                                               {
+                                                       fprintf (f, "%c", buf[i]);
+                                                       i++;
+                                               }
+                                       }
+                               }
+                       }
+               }
+               else
+               {
+                       fprintf (f, "%c", buf[i]);
+                       i++;
+               }
+       }
+       fclose (f);
+       return 0;
+}
+