/* the "incl" state is used for picking up the name of an include file */
%x incl
+%option nounput
+%option noinput
+%option never-interactive
+
%{
+#include <assert.h>
+#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct include_stack_item {
YY_BUFFER_STATE bst;
uint32_t lineno;
- string_t file;
+ cstring_t file;
};
struct include_stack_item include_stack[MAX_INCLUDE_DEPTH];
int include_stack_ptr=0;
-uint32_t config_lineno=0;
-string_t config_file="xxx";
+int config_lineno=0;
+cstring_t config_file="xxx";
static struct p_node *leafnode(uint32_t type)
{
yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
BEGIN(INITIAL);
}
+<incl>\n { /* include with no filename */
+ Message(M_FATAL,"config file %s line %d: %s\n",config_file,
+ config_lineno,"``include'' requires a filename");
+ BEGIN(INITIAL);
+ assert(config_lineno < INT_MAX);
+ ++config_lineno;
+ ++yynerrs;
+}
+
<<EOF>> {
if (--include_stack_ptr < 0) {
yyterminate();