cpp_main.c

   1 #include "cpp.h"
   2
   3 int cpp_main(int argc, char **argv)
   4 {
   5     struct cpp s_cpp, *cpp = &s_cpp;
   6     const char *old_name = NULL;
   7     int old_linenum = 0;
   8
   9     cpp_init(cpp);
  10     cpp_include_file(cpp, "<stdin>", stdin, false);
  11     do {
  12         cpp_read_line(cpp);
  13         if (cpp->line_buf){
  14             cpp_process_line(cpp);
  15             if (cpp->line_buf){
  16                 if (old_name != cpp->line_loc.name
  17                 || old_linenum != cpp->line_loc.line - 1){
  18                     old_name = cpp->line_loc.name;
  19                     old_linenum = cpp->line_loc.line;
  20                     printf("# %d \"%s\"\n", old_linenum, old_name);
  21                 } else {
  22                     old_linenum++;
  23                 }
  24                 fputs(cpp->line_buf, stdout);
  25                 fputc('\n', stdout);
  26             }
  27         }
  28     } while (cpp->include_top);
  29     cpp_delete(cpp);
  30
  31     return 0;
  32 }
  33