/* Keeping a unique copy of strings.
- Copyright (C) 2002-2003, 2008-2012 Free Software Foundation, Inc.
+ Copyright (C) 2002-2003, 2008-2013 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
#ifndef UNIQSTR_H_
# define UNIQSTR_H_
+# include <stdio.h>
+
/*-----------------------------------------.
| Pointers to unique copies of C strings. |
`-----------------------------------------*/
strings, use UNIQSTR_CONCAT, which is a convenient wrapper around
this function. */
uniqstr uniqstr_vsprintf (char const *format, ...)
- __attribute__ ((__format__ (__printf__, 1, 2)));
+ _GL_ATTRIBUTE_FORMAT_PRINTF (1, 2);
/* Two uniqstr values have the same value iff they are the same. */
-#define UNIQSTR_EQ(USTR1, USTR2) (!!((USTR1) == (USTR2)))
+# define UNIQSTR_EQ(Ustr1, Ustr2) (!!((Ustr1) == (Ustr2)))
/* Compare two uniqstr a la strcmp: negative for <, nul for =, and
positive for >. Undefined order, relies on addresses. */
-#define UNIQSTR_CMP(USTR1, USTR2) ((USTR1) - (USTR2))
-
-/*--------------------------------------.
-| Initializing, destroying, debugging. |
-`--------------------------------------*/
-
-/* Create the string table. */
-void uniqstrs_new (void);
+int uniqstr_cmp (uniqstr u1, uniqstr u2);
/* Die if STR is not a uniqstr. */
void uniqstr_assert (char const *str);
-/* Free all the memory allocated for symbols. */
-void uniqstrs_free (void);
-
-/* Report them all. */
-void uniqstrs_print (void);
-
/*----------------.
| Concatenation. |
`----------------*/
checking. Unfortunately, because of the missing format string in the
macro invocation, the argument number reported by gcc for a bad
argument type is 1 too large. */
-#define UNIQSTR_CONCAT(...) \
- uniqstr_vsprintf (UNIQSTR_GEN_FORMAT (__VA_ARGS__, \
- "%s", "%s", "%s", "%s", "%s", \
- "%s", "%s", "%s", "%s", "%s", \
- "%s", "%s", "%s", "%s", "%s", \
- "%s", "%s", "%s", "%s", "%s"), \
+# define UNIQSTR_CONCAT(...) \
+ uniqstr_vsprintf (UNIQSTR_GEN_FORMAT (__VA_ARGS__, \
+ "%s", "%s", "%s", "%s", "%s", \
+ "%s", "%s", "%s", "%s", "%s", \
+ "%s", "%s", "%s", "%s", "%s", \
+ "%s", "%s", "%s", "%s", "%s"), \
__VA_ARGS__)
-#define UNIQSTR_GEN_FORMAT(F1, F2, F3, F4, F5, \
- F6, F7, F8, F9, F10, \
- F11, F12, F13, F14, F15, \
- F16, F17, F18, F19, F20, \
- ...) \
- UNIQSTR_GEN_FORMAT_ (__VA_ARGS__, \
- "", "", "", "", "", \
- "", "", "", "", "", \
- "", "", "", "", "", \
+# define UNIQSTR_GEN_FORMAT(F1, F2, F3, F4, F5, \
+ F6, F7, F8, F9, F10, \
+ F11, F12, F13, F14, F15, \
+ F16, F17, F18, F19, F20, \
+ ...) \
+ UNIQSTR_GEN_FORMAT_ (__VA_ARGS__, \
+ "", "", "", "", "", \
+ "", "", "", "", "", \
+ "", "", "", "", "", \
"", "", "", "", "")
-#define UNIQSTR_GEN_FORMAT_(F1, F2, F3, F4, F5, \
- F6, F7, F8, F9, F10, \
- F11, F12, F13, F14, F15, \
- F16, F17, F18, F19, F20, ...) \
- F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 \
+# define UNIQSTR_GEN_FORMAT_(F1, F2, F3, F4, F5, \
+ F6, F7, F8, F9, F10, \
+ F11, F12, F13, F14, F15, \
+ F16, F17, F18, F19, F20, ...) \
+ F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 \
F11 F12 F13 F14 F15 F16 F17 F18 F19 F20
+/*--------------------.
+| Table of uniqstrs. |
+`--------------------*/
+
+/* Create the string table. */
+void uniqstrs_new (void);
+
+/* Free all the memory allocated for symbols. */
+void uniqstrs_free (void);
+
+/* Report them all. */
+void uniqstrs_print (void);
+
#endif /* ! defined UNIQSTR_H_ */