/* Definitions for CPP library.
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2007
+ 2004, 2005, 2007, 2008, 2009
Free Software Foundation, Inc.
Written by Per Bothner, 1994-95.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
-Free Software Foundation; either version 2, or (at your option) any
+Free Software Foundation; either version 3, or (at your option) any
later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+along with this program; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>.
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
\
TK(CHAR, LITERAL) /* 'char' */ \
TK(WCHAR, LITERAL) /* L'char' */ \
+ TK(CHAR16, LITERAL) /* u'char' */ \
+ TK(CHAR32, LITERAL) /* U'char' */ \
TK(OTHER, LITERAL) /* stray punctuation */ \
\
TK(STRING, LITERAL) /* "string" */ \
TK(WSTRING, LITERAL) /* L"string" */ \
+ TK(STRING16, LITERAL) /* u"string" */ \
+ TK(STRING32, LITERAL) /* U"string" */ \
TK(OBJC_STRING, LITERAL) /* @"string" - Objective-C */ \
TK(HEADER_NAME, LITERAL) /* <stdio.h> in #include */ \
\
#define BOL (1 << 6) /* Token at beginning of line. */
#define PURE_ZERO (1 << 7) /* Single 0 digit, used by the C++ frontend,
set in c-lex.c. */
+#define SP_DIGRAPH (1 << 8) /* # or ## token was a digraph. */
+#define SP_PREV_WHITE (1 << 9) /* If whitespace before a ##
+ operator, or before this token
+ after a # operator. */
/* Specify which field, if any, of the cpp_token union is used. */
{
source_location src_loc; /* Location of first char of token. */
ENUM_BITFIELD(cpp_ttype) type : CHAR_BIT; /* token type */
- unsigned char flags; /* flags - see above */
+ unsigned short flags; /* flags - see above */
union cpp_token_u
{
/* Nonzero means handle cplusplus style comments. */
unsigned char cplusplus_comments;
- /* Nonzero means define __OBJC__, treat @ as a special token, and
- use the OBJC[PLUS]_INCLUDE_PATH environment variable. */
+ /* Nonzero means define __OBJC__, treat @ as a special token, use
+ the OBJC[PLUS]_INCLUDE_PATH environment variable, and allow
+ "#import". */
unsigned char objc;
/* Nonzero means don't copy comments into the output file. */
/* Nonzero means to allow hexadecimal floats and LL suffixes. */
unsigned char extended_numbers;
+ /* Nonzero means process u/U prefix literals (UTF-16/32). */
+ unsigned char uliterals;
+
/* Nonzero means print names of header files (-H). */
unsigned char print_include_names;
- /* Nonzero means cpp_pedwarn causes a hard error. */
- unsigned char pedantic_errors;
-
- /* Nonzero means don't print warning messages. */
- unsigned char inhibit_warnings;
-
/* Nonzero means complain about deprecated features. */
unsigned char warn_deprecated;
- /* Nonzero means don't suppress warnings from system headers. */
- unsigned char warn_system_headers;
-
- /* Nonzero means don't print error messages. Has no option to
- select it, but can be set by a user of cpplib (e.g. fix-header). */
- unsigned char inhibit_errors;
-
/* Nonzero means warn if slash-star appears in a comment. */
unsigned char warn_comments;
Presumably the usage is protected by the appropriate #ifdef. */
unsigned char warn_variadic_macros;
- /* Nonzero means turn warnings into errors. */
- unsigned char warnings_are_errors;
+ /* Nonzero means warn about builtin macros that are redefined or
+ explicitly undefined. */
+ unsigned char warn_builtin_macro_redefined;
/* Nonzero means we should look for header.gcc files that remap file
names. */
/* Nonzero means __STDC__ should have the value 0 in system headers. */
unsigned char stdc_0_in_system_headers;
- /* True means error callback should be used for diagnostics. */
- bool client_diagnostic;
-
/* True disables tokenization outside of preprocessing directives. */
bool directives_only;
};
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);
+ /* Context-sensitive macro support. Returns macro (if any) that should
+ be expanded. */
+ cpp_hashnode * (*macro_to_expand) (cpp_reader *, const cpp_token *);
+
+ /* Called to emit a diagnostic. This callback receives the
+ translated message. */
+ bool (*error) (cpp_reader *, int, source_location, unsigned int,
+ const char *, va_list *)
+ ATTRIBUTE_FPTR_PRINTF(5,0);
+
+ /* Callbacks for when a macro is expanded, or tested (whether
+ defined or not at the time) in #ifdef, #ifndef or "defined". */
+ void (*used_define) (cpp_reader *, unsigned int, cpp_hashnode *);
+ void (*used_undef) (cpp_reader *, unsigned int, cpp_hashnode *);
+ /* Called before #define and #undef or other macro definition
+ changes are processed. */
+ void (*before_define) (cpp_reader *);
};
/* Chain of directories to look for include files in. */
"C" guards for C++. */
unsigned char sysp;
+ /* Is this a user-supplied directory? */
+ bool user_supplied_p;
+
+ /* The canonicalized NAME as determined by lrealpath. This field
+ is only used by hosts that lack reliable inode numbers. */
+ char *canonical_name;
+
/* Mapping of file names for this directory for MS-DOS and related
platforms. A NULL-terminated array of (from, to) pairs. */
const char **name_map;
directories in the search path. */
ino_t ino;
dev_t dev;
-
- /* Is this a user-supplied directory? */
- bool user_supplied_p;
};
/* Name under which this program was invoked. */
#define NODE_WARN (1 << 4) /* Warn if redefined or undefined. */
#define NODE_DISABLED (1 << 5) /* A disabled macro. */
#define NODE_MACRO_ARG (1 << 6) /* Used during #define processing. */
+#define NODE_USED (1 << 7) /* Dumped with -dU. */
+#define NODE_CONDITIONAL (1 << 8) /* Conditional macro */
/* Different flavors of hash node. */
enum node_type
then index into directive table.
Otherwise, a NODE_OPERATOR. */
unsigned char rid_code; /* Rid code - for front ends. */
- ENUM_BITFIELD(node_type) type : 8; /* CPP node type. */
- unsigned char flags; /* CPP flags. */
+ ENUM_BITFIELD(node_type) type : 7; /* CPP node type. */
+ unsigned int flags : 9; /* CPP flags. */
union _cpp_hashnode_value GTY ((desc ("CPP_HASHNODE_VALUE_IDX (%1)"))) value;
};
/* Call this to finish preprocessing. If you requested dependency
generation, pass an open stream to write the information to,
- otherwise NULL. It is your responsibility to close the stream.
-
- Returns cpp_errors (pfile). */
-extern int cpp_finish (cpp_reader *, FILE *deps_stream);
+ otherwise NULL. It is your responsibility to close the stream. */
+extern void cpp_finish (cpp_reader *, FILE *deps_stream);
/* Call this to release the handle at the end of preprocessing. Any
- use of the handle after this function returns is invalid. Returns
- cpp_errors (pfile). */
+ use of the handle after this function returns is invalid. */
extern void cpp_destroy (cpp_reader *);
-/* Error count. */
-extern unsigned int cpp_errors (cpp_reader *);
-
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 *,
extern const unsigned char *cpp_macro_definition (cpp_reader *,
const cpp_hashnode *);
extern void _cpp_backup_tokens (cpp_reader *, unsigned int);
+extern const cpp_token *cpp_peek_token (cpp_reader *, int);
/* Evaluate a CPP_CHAR or CPP_WCHAR token. */
extern cppchar_t cpp_interpret_charconst (cpp_reader *, const cpp_token *,
/* Evaluate a vector of CPP_STRING or CPP_WSTRING tokens. */
extern bool cpp_interpret_string (cpp_reader *,
const cpp_string *, size_t,
- cpp_string *, bool);
+ cpp_string *, enum cpp_ttype);
extern bool cpp_interpret_string_notranslate (cpp_reader *,
const cpp_string *, size_t,
- cpp_string *, bool);
+ cpp_string *, enum cpp_ttype);
/* 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 *);
+extern void cpp_define_formatted (cpp_reader *pfile,
+ const char *fmt, ...) ATTRIBUTE_PRINTF_2;
extern void cpp_assert (cpp_reader *, const char *);
extern void cpp_undef (cpp_reader *, const char *);
extern void cpp_unassert (cpp_reader *, const char *);
#define CPP_N_UNSIGNED 0x1000 /* Properties. */
#define CPP_N_IMAGINARY 0x2000
#define CPP_N_DFLOAT 0x4000
+#define CPP_N_DEFAULT 0x8000
#define CPP_N_FRACT 0x100000 /* Fract types. */
#define CPP_N_ACCUM 0x200000 /* Accum types. */
/* An internal consistency check failed. Prints "internal error: ",
otherwise the same as CPP_DL_ERROR. */
#define CPP_DL_ICE 0x04
-/* Extracts a diagnostic level from an int. */
-#define CPP_DL_EXTRACT(l) (l & 0xf)
-/* Nonzero if a diagnostic level is one of the warnings. */
-#define CPP_DL_WARNING_P(l) (CPP_DL_EXTRACT (l) >= CPP_DL_WARNING \
- && CPP_DL_EXTRACT (l) <= CPP_DL_PEDWARN)
+/* An informative note following a warning. */
+#define CPP_DL_NOTE 0x05
+/* A fatal error. */
+#define CPP_DL_FATAL 0x06
/* Output a diagnostic of some kind. */
-extern void cpp_error (cpp_reader *, int, const char *msgid, ...)
+extern bool cpp_error (cpp_reader *, int, const char *msgid, ...)
ATTRIBUTE_PRINTF_3;
/* Output a diagnostic with "MSGID: " preceding the
error string of errno. No location is printed. */
-extern void cpp_errno (cpp_reader *, int, const char *msgid);
+extern bool cpp_errno (cpp_reader *, int, const char *msgid);
/* Same as cpp_error, except additionally specifies a position as a
(translation unit) physical line and physical column. If the line is
zero, then no location is printed. */
-extern void cpp_error_with_line (cpp_reader *, int, source_location, unsigned,
+extern bool cpp_error_with_line (cpp_reader *, int, source_location, unsigned,
const char *msgid, ...) ATTRIBUTE_PRINTF_5;
-/* In cpplex.c */
+/* In lex.c */
extern int cpp_ideq (const cpp_token *, const char *);
extern void cpp_output_line (cpp_reader *, FILE *);
+extern unsigned char *cpp_output_line_to_string (cpp_reader *,
+ const unsigned char *);
extern void cpp_output_token (const cpp_token *, FILE *);
extern const char *cpp_type2name (enum cpp_ttype);
/* Returns the value of an escape sequence, truncated to the correct
extern cppchar_t cpp_parse_escape (cpp_reader *, const unsigned char ** pstr,
const unsigned char *limit, int wide);
-/* In cpphash.c */
+/* Structure used to hold a comment block at a given location in the
+ source code. */
+
+typedef struct
+{
+ /* Text of the comment including the terminators. */
+ char *comment;
+
+ /* source location for the given comment. */
+ source_location sloc;
+} cpp_comment;
+
+/* Structure holding all comments for a given cpp_reader. */
+
+typedef struct
+{
+ /* table of comment entries. */
+ cpp_comment *entries;
+
+ /* number of actual entries entered in the table. */
+ int count;
+
+ /* number of entries allocated currently. */
+ int allocated;
+} cpp_comment_table;
+
+/* Returns the table of comments encountered by the preprocessor. This
+ table is only populated when pfile->state.save_comments is true. */
+extern cpp_comment_table *cpp_get_comments (cpp_reader *);
+
+/* In hash.c */
/* Lookup an identifier in the hashtable. Puts the identifier in the
table if it is not already there. */
typedef int (*cpp_cb) (cpp_reader *, cpp_hashnode *, void *);
extern void cpp_forall_identifiers (cpp_reader *, cpp_cb, void *);
-/* In cppmacro.c */
+/* In macro.c */
extern void cpp_scan_nooutput (cpp_reader *);
extern int cpp_sys_macro_p (cpp_reader *);
extern unsigned char *cpp_quote_string (unsigned char *, const unsigned char *,
unsigned int);
-/* In cppfiles.c */
+/* In files.c */
extern bool cpp_included (cpp_reader *, const char *);
+extern bool cpp_included_before (cpp_reader *, const char *, source_location);
extern void cpp_make_system_header (cpp_reader *, int, int);
extern bool cpp_push_include (cpp_reader *, const char *);
extern void cpp_change_file (cpp_reader *, enum lc_reason, const char *);
extern cpp_buffer *cpp_get_buffer (cpp_reader *);
extern struct _cpp_file *cpp_get_file (cpp_buffer *);
extern cpp_buffer *cpp_get_prev (cpp_buffer *);
+extern void cpp_clear_file_cache (cpp_reader *);
-/* In cpppch.c */
+/* In pch.c */
struct save_macro_data;
extern int cpp_save_state (cpp_reader *, FILE *);
extern int cpp_write_pch_deps (cpp_reader *, FILE *);
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