re PR middle-end/18785 (isdigit builtin function fails with EBCDIC character sets)
PR 18785
libcpp:
* charset.c (LAST_POSSIBLY_BASIC_SOURCE_CHAR): New helper macro.
(cpp_host_to_exec_charset): New function.
* include/cpplib.h: Declare cpp_host_to_exec_charset.
gcc:
* langhooks.h (struct lang_hooks): Add to_target_charset.
* langhooks.c (lhd_to_target_charset): New function.
* langhooks-def.h: Declare lhd_to_target_charset.
(LANG_HOOKS_TO_TARGET_CHARSET): New macro.
(LANG_HOOKS_INITIALIZER): Update.
* c-common.c (c_common_to_target_charset): New function.
* c-common.h: Declare it.
* c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
c_common_to_target_charset.
* defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
(TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
Delete definitions.
* system.h: Poison them.
* doc/tm.texi: Don't discuss them.
* builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
* c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
(pp_c_char): Do not attempt to generate letter escapes for
newline, tab, etc.
* config/arm/arm.c (output_ascii_pseudo_op): Likewise.
* config/mips/mips.c (mips_output_ascii): Likewise.
gcc/cp:
* cp-objcp-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
c_common_to_target_charset. Delete bogus comment.
gcc/testsuite:
* gcc.dg/charset/builtin1.c: New test.
From-SVN: r95304
diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h
index c381446..70f8d89 100644
--- a/libcpp/include/cpplib.h
+++ b/libcpp/include/cpplib.h
@@ -659,6 +659,9 @@
const cpp_string *, size_t,
cpp_string *, bool);
+/* Convert a host character constant to the execution character set. */
+extern cppchar_t cpp_host_to_exec_charset (cpp_reader *, cppchar_t);
+
/* Used to register macros and assertions, perhaps from the command line.
The text is the same as the command line argument. */
extern void cpp_define (cpp_reader *, const char *);
@@ -743,12 +746,6 @@
#define CPP_DL_WARNING_P(l) (CPP_DL_EXTRACT (l) >= CPP_DL_WARNING \
&& CPP_DL_EXTRACT (l) <= CPP_DL_PEDWARN)
-/* N.B. The error-message-printer prototypes have not been nicely
- formatted because exgettext needs to see 'msgid' on the same line
- as the name of the function in order to work properly. Only the
- string argument gets a name in an effort to keep the lines from
- getting ridiculously oversized. */
-
/* Output a diagnostic of some kind. */
extern void cpp_error (cpp_reader *, int, const char *msgid, ...)
ATTRIBUTE_PRINTF_3;