Correctly cast uid and gid sentinel values.

[fwd] / scan.h

diff --git a/scan.h b/scan.h
index eee6f61..756029b 100644 (file)
--- a/scan.h
+++ b/scan.h
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: scan.h,v 1.2 1999/07/26 23:24:33 mdw Exp $
+ * $Id: scan.h,v 1.4 2002/02/22 23:44:16 mdw Exp $
  *
  * Character scanners
  *
@@ -29,6 +29,13 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: scan.h,v $
+ * Revision 1.4  2002/02/22 23:44:16  mdw
+ * Miscellaneous tidying up, to make this code independent of `fw'.  It
+ * might end up in a library somewhere.
+ *
+ * Revision 1.3  2002/01/13 14:50:07  mdw
+ * Make delimiters be a property of a scanner.
+ *
  * Revision 1.2  1999/07/26 23:24:33  mdw
  * Complete rewrite.  Allow a list of character sources to enable changes
  * during parsing of syntactic constructs.
@@ -60,7 +67,7 @@ typedef struct scansrc {
   struct scansrc_ops *ops;             /* Pointer to operations table */
   char *src;                           /* Name of this source */
   int line;                            /* Current line number */
-  int pushback;                                /* Pushback character */
+  dstr pushback;                       /* Pushback characters */
   char *tok;                           /* Token pushback */
   unsigned t;                          /* Token type pushback */
 } scansrc;
@@ -78,6 +85,7 @@ typedef struct scanner {
   scansrc *head, **tail;               /* Scanner list head and tail */
   int t;                               /* Token type */
   dstr d;                              /* Current token value */
+  const char *wbegin, *wcont;          /* Parsing exception strings */
 } scanner;
 
 /*----- Particular scanner types ------------------------------------------*/
@@ -85,7 +93,7 @@ typedef struct scanner {
 /* --- @scan_file@ --- *
  *
  * Arguments:  @FILE *fp@ = pointer to file descriptor
- *             @char *name@ = pointer to source file name
+ *             @const char *name@ = pointer to source file name
  *             @unsigned f@ = flags
  *
  * Returns:    A scanner source.
@@ -93,10 +101,10 @@ typedef struct scanner {
  * Use:                Creates a new scanner source for reading from a file.
  */
 
-extern scansrc *scan_file(FILE */*fp*/, char */*name*/, unsigned /*f*/);
+#define SCF_NOCLOSE 1u                 /* Don't close @fp@ when finished */
 
-#define SCF_NOCLOSE 1u
-#define SCF_FREENAME 2u
+extern scansrc *scan_file(FILE */*fp*/, const char */*name*/,
+                         unsigned /*f*/);
 
 /* --- @scan_argv@ --- *
  *