maint: more syntax-checks

[bison.git] / src / complain.h

diff --git a/src/complain.h b/src/complain.h
index 44be293d585d53154cd12b9f4e3ae23509e00e1e..b0a1a29368854532d15243d2b9baa6c954469421 100644 (file)
--- a/src/complain.h
+++ b/src/complain.h
@@ -21,6 +21,9 @@
 
 # include "location.h"
 
+/* Sub-messages indent. */
+# define SUB_INDENT (4)
+
 /*-------------.
 | --warnings.  |
 `-------------*/
@@ -35,40 +38,51 @@ typedef enum
     Wdeprecated       = 1 << 4,  /**< Obsolete constructs.  */
     Wother            = 1 << 5,  /**< All other warnings.  */
 
-    Werror            = 1 << 10, /**< Warnings are treated as errors.  */
+    Werror            = 1 << 10, /** This bit is no longer used. */
+
     complaint         = 1 << 11, /**< All complaints.  */
     fatal             = 1 << 12, /**< All fatal errors.  */
     silent            = 1 << 13, /**< Do not display the warning type.  */
-    Wall              = ~Werror  /**< All above warnings.  */
+    no_caret          = 1 << 14, /**< Do not display caret location.  */
+
+    /**< All above warnings.  */
+    Wall              = ~complaint & ~fatal & ~silent
   } warnings;
 
 /** What warnings are issued.  */
 extern warnings warnings_flag;
 
+/** What warnings are made errors.  */
+extern warnings errors_flag;
+
 /** Display a "[-Wyacc]" like message on stderr.  */
 void warnings_print_categories (warnings warn_flags);
 
-/** Record that a warning is about to be issued, and treat it as an
-    error if <tt>warnings_flag & Werror</tt>.  This is exported
-    only for the sake of Yacc-compatible conflict reports in conflicts.c.
-    All other warnings should be implemented in complain.c and should use
-    the normal warning format.  */
-void set_warning_issued (void);
-
-/** Make a complaint, but don't specify any location.  */
-void complain (warnings flags, char const *message, ...)
-  __attribute__ ((__format__ (__printf__, 2, 3)));
-
-/** Make a complaint with location.  */
-void complain_at (location loc, warnings flags, char const *message, ...)
+/** Make a complaint, with maybe a location.  */
+void complain (location const *loc, warnings flags, char const *message, ...)
   __attribute__ ((__format__ (__printf__, 3, 4)));
 
+/** Likewise, but with an \a argc/argv interface.  */
+void complain_args (location const *loc, warnings w, unsigned *indent,
+                    int argc, char *arg[]);
+
 /** Make a complaint with location and some indentation.  */
-void complain_at_indent (location loc, warnings flags, unsigned *indent,
-                         char const *message, ...)
+void complain_indent (location const *loc, warnings flags, unsigned *indent,
+                      char const *message, ...)
   __attribute__ ((__format__ (__printf__, 4, 5)));
 
+
+/** Warnings treated as errors shouldn't stop the execution as regular errors
+    should (because due to their nature, it is safe to go on). Thus, there are
+    three possible execution statuses.  */
+typedef enum
+  {
+    status_none,
+    status_warning_as_error,
+    status_complaint
+  } err_status;
+
 /** Whether an error was reported.  */
-extern bool complaint_issued;
+extern err_status complaint_status;
 
 #endif /* !COMPLAIN_H_ */