/* Definitions for CPP library.
- Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+ Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004, 2005
Free Software Foundation, Inc.
Written by Per Bothner, 1994-95.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
#undef OP
#undef TK
-/* C language kind, used when calling cpp_reader_init. */
+/* C language kind, used when calling cpp_create_reader. */
enum c_lang {CLK_GNUC89 = 0, CLK_GNUC99, CLK_STDC89, CLK_STDC94, CLK_STDC99,
CLK_GNUCXX, CLK_CXX98, CLK_ASM};
/* Style of header dependencies to generate. */
enum cpp_deps_style { DEPS_NONE = 0, DEPS_USER, DEPS_SYSTEM };
+/* The possible normalization levels, from most restrictive to least. */
+enum cpp_normalize_level {
+ /* In NFKC. */
+ normalized_KC = 0,
+ /* In NFC. */
+ normalized_C,
+ /* In NFC, except for subsequences where being in NFC would make
+ the identifier invalid. */
+ normalized_identifier_C,
+ /* Not normalized at all. */
+ normalized_none
+};
+
/* This structure is nested inside struct cpp_reader, and
carries all the options visible to the command line. */
struct cpp_options
/* Zero means dollar signs are punctuation. */
unsigned char dollars_in_ident;
+ /* Nonzero means UCNs are accepted in identifiers. */
+ unsigned char extended_identifiers;
+
/* True if we should warn about dollars in identifiers or numbers
for this translation unit. */
unsigned char warn_dollars;
/* Holds the name of the input character set. */
const char *input_charset;
+ /* The minimum permitted level of normalization before a warning
+ is generated. */
+ enum cpp_normalize_level warn_normalize;
+
/* True to warn about precompiled header files we couldn't use. */
bool warn_invalid_pch;
/* True means return pragmas as tokens rather than processing
them directly. */
bool defer_pragmas;
+
+ /* True means error callback should be used for diagnostics. */
+ bool client_diagnostic;
};
/* Callback for header lookup for HEADER, which is the name of a
void (*dir_change) (cpp_reader *, const char *);
void (*include) (cpp_reader *, unsigned int, const unsigned char *,
- const char *, int);
+ const char *, int, const cpp_token **);
void (*define) (cpp_reader *, unsigned int, cpp_hashnode *);
void (*undef) (cpp_reader *, unsigned int, cpp_hashnode *);
void (*ident) (cpp_reader *, unsigned int, const cpp_string *);
int (*valid_pch) (cpp_reader *, const char *, int);
void (*read_pch) (cpp_reader *, const char *, int, const char *);
missing_header_cb missing_header;
+
+ /* Called to emit a diagnostic if client_diagnostic option is true.
+ This callback receives the translated message. */
+ void (*error) (cpp_reader *, int, const char *, va_list *)
+ ATTRIBUTE_FPTR_PRINTF(3,0);
};
/* Chain of directories to look for include files in. */
/* The common part of an identifier node shared amongst all 3 C front
ends. Also used to store CPP identifiers, which are a superset of
identifiers in the grammatical sense. */
+
+union _cpp_hashnode_value GTY(())
+{
+ /* If a macro. */
+ cpp_macro * GTY((tag ("NTV_MACRO"))) macro;
+ /* Answers to an assertion. */
+ struct answer * GTY ((tag ("NTV_ANSWER"))) answers;
+ /* Code for a builtin macro. */
+ enum builtin_type GTY ((tag ("NTV_BUILTIN"))) builtin;
+ /* Macro argument index. */
+ unsigned short GTY ((tag ("NTV_ARGUMENT"))) arg_index;
+};
+
struct cpp_hashnode GTY(())
{
struct ht_identifier ident;
ENUM_BITFIELD(node_type) type : 8; /* CPP node type. */
unsigned char flags; /* CPP flags. */
- union _cpp_hashnode_value
- {
- /* If a macro. */
- cpp_macro * GTY((tag ("NTV_MACRO"))) macro;
- /* Answers to an assertion. */
- struct answer * GTY ((tag ("NTV_ANSWER"))) answers;
- /* Code for a builtin macro. */
- enum builtin_type GTY ((tag ("NTV_BUILTIN"))) builtin;
- /* Macro argument index. */
- unsigned short GTY ((tag ("NTV_ARGUMENT"))) arg_index;
- } GTY ((desc ("CPP_HASHNODE_VALUE_IDX (%1)"))) value;
+ union _cpp_hashnode_value GTY ((desc ("CPP_HASHNODE_VALUE_IDX (%1)"))) value;
};
/* Call this first to get a handle to pass to other functions.
extern unsigned int cpp_token_len (const cpp_token *);
extern unsigned char *cpp_token_as_text (cpp_reader *, const cpp_token *);
extern unsigned char *cpp_spell_token (cpp_reader *, const cpp_token *,
- unsigned char *);
+ unsigned char *, bool);
extern void cpp_register_pragma (cpp_reader *, const char *, const char *,
void (*) (cpp_reader *), bool);
extern void cpp_handle_deferred_pragma (cpp_reader *, const cpp_string *);
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 *);
#define CPP_N_UNSIGNED 0x1000 /* Properties. */
#define CPP_N_IMAGINARY 0x2000
+#define CPP_N_DFLOAT 0x4000
/* Classify a CPP_NUMBER token. The return value is a combination of
the flags from the above sets. */
#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;
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