simple support for __attribute__((alias("symbol")))

[cparser] / diagnostic.h

diff --git a/diagnostic.h b/diagnostic.h
index 44e74c8..cdcd6df 100644 (file)
--- a/diagnostic.h
+++ b/diagnostic.h
@@ -1,12 +1,56 @@
+/*
+ * This file is part of cparser.
+ * Copyright (C) 2012 Matthias Braun <matze@braunis.de>
+ */
 #ifndef DIAGNOSTIC_H
 #define DIAGNOSTIC_H
 
+#include <stdbool.h>
 #include "token_t.h"
+#include "warning.h"
 
+/* define a NORETURN attribute */
+#ifndef NORETURN
+# if defined(__GNUC__)
+#  if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 70)
+#   define NORETURN void __attribute__ ((noreturn))
+#  endif /* __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 70) */
+# endif /* defined(__GNUC__) */
 
-void parser_print_prefix_pos(source_position_t);
-void parser_print_warning_prefix_pos(source_position_t);
-void parse_warning_pos(source_position_t, const char *message);
-void parse_warning_posf(source_position_t, const char *fmt, ...);
+# if defined(_MSC_VER)
+#  define NORETURN void __declspec(noreturn)
+# endif /* defined(_MSC_VER) */
+
+/* If not set above, use "void" for DOES_NOT_RETURN. */
+# ifndef NORETURN
+# define NORETURN void
+# endif /* ifndef NORETURN */
+#endif /* ifndef NORETURN */
+
+/**
+ * Issue a diagnostic message.
+ * Format types:
+ *  %E   expression_t const*
+ *  %K   token_t const*
+ *  %k   token_kind_t
+ *  %#k  va_list*, char const*
+ *  %N   entity_t const*
+ *  %#N  entity_t const*
+ *  %P   position_t const*
+ *  %Q   unsigned (qualifier)
+ *  %S   string_t const*
+ *  %T   type_t const*
+ *  %#T  type_t const*, symbol_t const*
+ *  %Y   symbol_t const*
+ */
+void diagnosticf(const char *fmt, ...);
+void errorf(const position_t *pos, const char *fmt, ...);
+void warningf(warning_t, const position_t *pos, const char *fmt, ...);
+NORETURN internal_errorf(const position_t *pos, const char *fmt, ...);
+
+extern unsigned error_count;
+extern unsigned warning_count;
+extern bool     show_column;             /**< Show column in diagnostic messages */
+extern bool     diagnostics_show_option; /**< Show the switch, which controls a warning. */
 
 #endif