/* Definitions for CPP library. Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 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 later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 what you give them. Help stamp out software-hoarding! */ #ifndef GCC_CPPLIB_H #define GCC_CPPLIB_H #include <sys/types.h> #include "hashtable.h" #include "line-map.h" #ifdef __cplusplus extern "C" { #endif /* For complex reasons, cpp_reader is also typedefed in c-pragma.h. */ #ifndef GCC_C_PRAGMA_H typedef struct cpp_reader cpp_reader; #endif typedef struct cpp_buffer cpp_buffer; typedef struct cpp_options cpp_options; typedef struct cpp_token cpp_token; typedef struct cpp_string cpp_string; typedef struct cpp_hashnode cpp_hashnode; typedef struct cpp_macro cpp_macro; typedef struct cpp_callbacks cpp_callbacks; struct answer; struct file_name_map_list; /* The first three groups, apart from '=', can appear in preprocessor expressions (+= and -= are used to indicate unary + and - resp.). This allows a lookup table to be implemented in _cpp_parse_expr. The first group, to CPP_LAST_EQ, can be immediately followed by an '='. The lexer needs operators ending in '=', like ">>=", to be in the same order as their counterparts without the '=', like ">>". */ /* Positions in the table. */ #define CPP_LAST_EQ CPP_MAX #define CPP_FIRST_DIGRAPH CPP_HASH #define CPP_LAST_PUNCTUATOR CPP_DOT_STAR #define CPP_LAST_CPP_OP CPP_LESS_EQ #define TTYPE_TABLE \ OP(CPP_EQ = 0, "=") \ OP(CPP_NOT, "!") \ OP(CPP_GREATER, ">") /* compare */ \ OP(CPP_LESS, "<") \ OP(CPP_PLUS, "+") /* math */ \ OP(CPP_MINUS, "-") \ OP(CPP_MULT, "*") \ OP(CPP_DIV, "/") \ OP(CPP_MOD, "%") \ OP(CPP_AND, "&") /* bit ops */ \ OP(CPP_OR, "|") \ OP(CPP_XOR, "^") \ OP(CPP_RSHIFT, ">>") \ OP(CPP_LSHIFT, "<<") \ OP(CPP_MIN, "<?") /* extension */ \ OP(CPP_MAX, ">?") \ \ OP(CPP_COMPL, "~") \ OP(CPP_AND_AND, "&&") /* logical */ \ OP(CPP_OR_OR, "||") \ OP(CPP_QUERY, "?") \ OP(CPP_COLON, ":") \ OP(CPP_COMMA, ",") /* grouping */ \ OP(CPP_OPEN_PAREN, "(") \ OP(CPP_CLOSE_PAREN, ")") \ TK(CPP_EOF, SPELL_NONE) \ OP(CPP_EQ_EQ, "==") /* compare */ \ OP(CPP_NOT_EQ, "!=") \ OP(CPP_GREATER_EQ, ">=") \ OP(CPP_LESS_EQ, "<=") \ \ /* These two are unary + / - in preprocessor expressions. */ \ OP(CPP_PLUS_EQ, "+=") /* math */ \ OP(CPP_MINUS_EQ, "-=") \ \ OP(CPP_MULT_EQ, "*=") \ OP(CPP_DIV_EQ, "/=") \ OP(CPP_MOD_EQ, "%=") \ OP(CPP_AND_EQ, "&=") /* bit ops */ \ OP(CPP_OR_EQ, "|=") \ OP(CPP_XOR_EQ, "^=") \ OP(CPP_RSHIFT_EQ, ">>=") \ OP(CPP_LSHIFT_EQ, "<<=") \ OP(CPP_MIN_EQ, "<?=") /* extension */ \ OP(CPP_MAX_EQ, ">?=") \ /* Digraphs together, beginning with CPP_FIRST_DIGRAPH. */ \ OP(CPP_HASH, "#") /* digraphs */ \ OP(CPP_PASTE, "##") \ OP(CPP_OPEN_SQUARE, "[") \ OP(CPP_CLOSE_SQUARE, "]") \ OP(CPP_OPEN_BRACE, "{") \ OP(CPP_CLOSE_BRACE, "}") \ /* The remainder of the punctuation. Order is not significant. */ \ OP(CPP_SEMICOLON, ";") /* structure */ \ OP(CPP_ELLIPSIS, "...") \ OP(CPP_PLUS_PLUS, "++") /* increment */ \ OP(CPP_MINUS_MINUS, "--") \ OP(CPP_DEREF, "->") /* accessors */ \ OP(CPP_DOT, ".") \ OP(CPP_SCOPE, "::") \ OP(CPP_DEREF_STAR, "->*") \ OP(CPP_DOT_STAR, ".*") \ OP(CPP_ATSIGN, "@") /* used in Objective-C */ \ \ TK(CPP_NAME, SPELL_IDENT) /* word */ \ TK(CPP_NUMBER, SPELL_NUMBER) /* 34_be+ta */ \ \ TK(CPP_CHAR, SPELL_STRING) /* 'char' */ \ TK(CPP_WCHAR, SPELL_STRING) /* L'char' */ \ TK(CPP_OTHER, SPELL_CHAR) /* stray punctuation */ \ \ TK(CPP_STRING, SPELL_STRING) /* "string" */ \ TK(CPP_WSTRING, SPELL_STRING) /* L"string" */ \ TK(CPP_HEADER_NAME, SPELL_STRING) /* <stdio.h> in #include */ \ \ /* APPLE LOCAL CW asm blocks */ \ TK(CPP_BOL, SPELL_CHAR) /* asm bol */ \ TK(CPP_EOL, SPELL_CHAR) /* asm eol */ \ TK(CPP_COMMENT, SPELL_NUMBER) /* Only if output comments. */ \ /* SPELL_NUMBER happens to DTRT. */ \ TK(CPP_MACRO_ARG, SPELL_NONE) /* Macro argument. */ \ TK(CPP_PADDING, SPELL_NONE) /* Whitespace for cpp0. */ #define OP(e, s) e, #define TK(e, s) e, enum cpp_ttype { TTYPE_TABLE N_TTYPES }; #undef OP #undef TK /* C language kind, used when calling cpp_reader_init. */ enum c_lang {CLK_GNUC89 = 0, CLK_GNUC99, CLK_STDC89, CLK_STDC94, CLK_STDC99, CLK_GNUCXX, CLK_CXX98, CLK_ASM}; /* Payload of a NUMBER, STRING, CHAR or COMMENT token. */ struct cpp_string { unsigned int len; const unsigned char *text; }; /* Flags for the cpp_token structure. */ #define PREV_WHITE (1 << 0) /* If whitespace before this token. */ #define DIGRAPH (1 << 1) /* If it was a digraph. */ #define STRINGIFY_ARG (1 << 2) /* If macro argument to be stringified. */ #define PASTE_LEFT (1 << 3) /* If on LHS of a ## operator. */ #define NAMED_OP (1 << 4) /* C++ named operators. */ #define NO_EXPAND (1 << 5) /* Do not macro-expand this token. */ #define BOL (1 << 6) /* Token at beginning of line. */ /* A preprocessing token. This has been carefully packed and should occupy 16 bytes on 32-bit hosts and 24 bytes on 64-bit hosts. */ struct cpp_token { unsigned int line; /* Logical line of first char of token. */ unsigned short col; /* Column of first char of token. */ ENUM_BITFIELD(cpp_ttype) type : CHAR_BIT; /* token type */ unsigned char flags; /* flags - see above */ union { cpp_hashnode *node; /* An identifier. */ const cpp_token *source; /* Inherit padding from this token. */ struct cpp_string str; /* A string, or number. */ unsigned int arg_no; /* Argument no. for a CPP_MACRO_ARG. */ unsigned char c; /* Character represented by CPP_OTHER. */ } val; }; /* A type wide enough to hold any multibyte source character. cpplib's character constant interpreter requires an unsigned type. Also, a typedef for the signed equivalent. */ #ifndef MAX_WCHAR_TYPE_SIZE # define MAX_WCHAR_TYPE_SIZE WCHAR_TYPE_SIZE #endif #if CHAR_BIT * SIZEOF_INT >= MAX_WCHAR_TYPE_SIZE # define CPPCHAR_SIGNED_T int #else # if CHAR_BIT * SIZEOF_LONG >= MAX_WCHAR_TYPE_SIZE || !HAVE_LONG_LONG # define CPPCHAR_SIGNED_T long # else # define CPPCHAR_SIGNED_T long long # endif #endif typedef unsigned CPPCHAR_SIGNED_T cppchar_t; typedef CPPCHAR_SIGNED_T cppchar_signed_t; /* Values for opts.dump_macros. dump_only means inhibit output of the preprocessed text and instead output the definitions of all user-defined macros in a form suitable for use as input to cpp. dump_names means pass #define and the macro name through to output. dump_definitions means pass the whole definition (plus #define) through */ enum { dump_none = 0, dump_only, dump_names, dump_definitions }; /* This structure is nested inside struct cpp_reader, and carries all the options visible to the command line. */ struct cpp_options { /* Characters between tab stops. */ unsigned int tabstop; /* Pending options - -D, -U, -A, -I, -ixxx. */ struct cpp_pending *pending; /* Search paths for include files. */ struct search_path *quote_include; /* "" */ struct search_path *bracket_include; /* <> */ /* APPLE LOCAL framework headers */ #ifdef FRAMEWORK_HEADERS struct search_path *framework_include; #endif /* APPLE LOCAL begin -header-mapfile */ /* The central header translation mapfile, set by the '-header-mapfile' option, or NULL if none. */ struct hmap_header_map *header_map; struct search_path *hmap_path; /* APPLE LOCAL end -header-mapfile */ /* APPLE LOCAL begin -inclusion-log-file */ /* Number of open() and stat() calls we've done. For performance tuning purposes. */ unsigned num_opens; unsigned num_stats; /* The open file into which to log header inclusion information, set by the '-inclusion-log-file' option, or NULL if none. */ FILE *inclusion_log_file; /* APPLE LOCAL end -inclusion-log-file */ /* Map between header names and file names, used only on DOS where file names are limited in length. */ struct file_name_map_list *map_list; /* Directory prefix that should replace `/usr/lib/gcc-lib/TARGET/VERSION' in the standard include file directories. */ const char *include_prefix; unsigned int include_prefix_len; /* APPLE LOCAL begin read-from-stdin */ /* function name that should be used in issung diagnostics when input is read from stdin */ const char *stdin_diag_filename; /* APPLE LOCAL end read-from-stdin */ /* The language we're preprocessing. */ enum c_lang lang; /* Non-0 means -v, so print the full set of include dirs. */ unsigned char verbose; /* Nonzero means use extra default include directories for C++. */ unsigned char cplusplus; /* 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. */ unsigned char objc; /* Nonzero means don't copy comments into the output file. */ unsigned char discard_comments; /* Nonzero means don't copy comments into the output file during macro expansion. */ unsigned char discard_comments_in_macro_exp; /* Nonzero means process the ISO trigraph sequences. */ unsigned char trigraphs; /* Nonzero means process the ISO digraph sequences. */ unsigned char digraphs; /* Nonzero means to allow hexadecimal floats and LL suffixes. */ unsigned char extended_numbers; /* 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 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; /* Nonzero means warn if there are any trigraphs. */ unsigned char warn_trigraphs; /* Nonzero means warn if #import is used. */ unsigned char warn_import; /* APPLE LOCAL begin -Wpragma-once 2001-08-01 sts */ /* Nonzero means warn if #pragma once is used. */ unsigned char warn_pragma_once; /* APPLE LOCAL end -Wpragma-once 2001-08-01 sts */ /* APPLE LOCAL begin -Wextra-tokens 2001-08-02 sts */ /* Nonzero means warn if extra tokens at end of directives. */ unsigned char warn_extra_tokens; /* APPLE LOCAL end -Wextra-tokens 2001-08-02 sts */ /* APPLE LOCAL begin -Wnewline-eof 2001-08-23 sts */ /* Nonzero means warn if no newline at end of file. */ unsigned char warn_newline_at_eof; /* APPLE LOCAL end -Wnewline-eof 2001-08-23 sts */ /* APPLE LOCAL begin -Wfour-char-constants */ /* Warn about four-char literals (e.g., MacOS-style OSTypes: 'APPL'). */ #ifndef WARN_FOUR_CHAR_CONSTANTS #define WARN_FOUR_CHAR_CONSTANTS 1 #endif unsigned char warn_four_char_constants; /* APPLE LOCAL end -Wfour-char-constants */ /* Nonzero means warn about multicharacter charconsts. */ unsigned char warn_multichar; /* Nonzero means warn about various incompatibilities with traditional C. */ unsigned char warn_traditional; /* Nonzero means warn about long long numeric constants. */ unsigned char warn_long_long; /* Nonzero means warn about text after an #endif (or #else). */ unsigned char warn_endif_labels; /* Nonzero means warn about implicit sign changes owing to integer promotions. */ unsigned char warn_num_sign_change; /* Nonzero means turn warnings into errors. */ unsigned char warnings_are_errors; /* Nonzero causes output not to be done, but directives such as #define that have side effects are still obeyed. */ unsigned char no_output; /* Nonzero means we should look for header.gcc files that remap file names. */ unsigned char remap; /* Nonzero means don't output line number information. */ unsigned char no_line_commands; /* Nonzero means -I- has been seen, so don't look for #include "foo" the source-file directory. */ unsigned char ignore_srcdir; /* Zero means dollar signs are punctuation. */ unsigned char dollars_in_ident; /* Nonzero means warn if undefined identifiers are evaluated in an #if. */ unsigned char warn_undef; /* Nonzero means warn of unused macros from the main file. */ unsigned char warn_unused_macros; /* Nonzero for the 1999 C Standard, including corrigenda and amendments. */ unsigned char c99; /* Nonzero if we are conforming to a specific C or C++ standard. */ unsigned char std; /* Nonzero means give all the error messages the ANSI standard requires. */ unsigned char pedantic; /* Nonzero means we're looking at already preprocessed code, so don't bother trying to do macro expansion and whatnot. */ unsigned char preprocessed; /* Nonzero disables all the standard directories for headers. */ unsigned char no_standard_includes; /* Nonzero disables the C++-specific standard directories for headers. */ unsigned char no_standard_cplusplus_includes; /* Nonzero means dump macros in some fashion - see above. */ unsigned char dump_macros; /* Nonzero means pass #include lines through to the output. */ unsigned char dump_includes; /* Print column number in error messages. */ unsigned char show_column; /* Nonzero means handle C++ alternate operator names. */ unsigned char operator_names; /* APPLE LOCAL -Wno-#warnings */ /* Nonzero means suppress all #warning messages. (Radar 2796309) */ int no_pound_warnings; /* True for traditional preprocessing. */ unsigned char traditional; /* Dependency generation. */ struct { /* Style of header dependencies to generate. */ enum {DEPS_NONE = 0, DEPS_USER, DEPS_SYSTEM } style; /* Assume missing files are generated files. */ bool missing_files; /* Generate phony targets for each dependency apart from the first one. */ bool phony_targets; /* If true, no dependency is generated on the main file. */ bool ignore_main_file; } deps; /* Target-specific features set by the front end or client. */ /* Precision for target CPP arithmetic, target characters, target ints and target wide characters, respectively. */ size_t precision, char_precision, int_precision, wchar_precision; /* True means chars (wide chars) are unsigned. */ bool unsigned_char, unsigned_wchar; /* Nonzero means __STDC__ should have the value 0 in system headers. */ unsigned char stdc_0_in_system_headers; /* True to warn about precompiled header files we couldn't use. */ bool warn_invalid_pch; /* True if dependencies should be restored from a precompiled header. */ bool restore_pch_deps; /* APPLE LOCAL begin Symbol Separation */ unsigned char making_pch; unsigned char making_ss; /* True to warn about symbol repositories we couldn't use. */ bool warn_invalid_sr; bool use_ss; /* APPLE LOCAL end Symbol Separation */ /* APPLE LOCAL BEGIN pch distcc mrs */ /* True if PCH should omit from the -E output all lines from PCH files found in PCH files. */ unsigned char pch_preprocess; /* APPLE LOCAL END pch distcc mrs */ }; /* Call backs. */ struct cpp_callbacks { /* Called when a new line of preprocessed output is started. */ void (*line_change) PARAMS ((cpp_reader *, const cpp_token *, int)); void (*file_change) PARAMS ((cpp_reader *, const struct line_map *)); void (*include) PARAMS ((cpp_reader *, unsigned int, const unsigned char *, const cpp_token *)); void (*define) PARAMS ((cpp_reader *, unsigned int, cpp_hashnode *)); void (*undef) PARAMS ((cpp_reader *, unsigned int, cpp_hashnode *)); void (*ident) PARAMS ((cpp_reader *, unsigned int, const cpp_string *)); void (*def_pragma) PARAMS ((cpp_reader *, unsigned int)); /* Called when the client has a chance to properly register built-ins with cpp_define() and cpp_assert(). */ void (*register_builtins) PARAMS ((cpp_reader *)); int (*valid_pch) PARAMS ((cpp_reader *, const char *, int)); void (*read_pch) PARAMS ((cpp_reader *, const char *, int, const char *)); /* APPLE LOCAL begin Symbol Separation */ void (*restore_write_symbols) PARAMS ((void)); void (*clear_write_symbols) PARAMS ((const char *, unsigned long)); void (*start_symbol_repository) PARAMS ((unsigned int, const char *, unsigned long)); void (*end_symbol_repository) PARAMS ((unsigned int)); int (*is_builtin_identifier) PARAMS ((cpp_hashnode *)); /* APPLE LOCAL end Symbol Separation */ /* APPLE LOCAL BEGIN - PCH distcc debugging mrs */ void (*set_working_directory)(const char *); /* APPLE LOCAL END - PCH distcc debugging mrs */ }; /* Name under which this program was invoked. */ extern const char *progname; /* The structure of a node in the hash table. The hash table has entries for all identifiers: either macros defined by #define commands (type NT_MACRO), assertions created with #assert (NT_ASSERTION), or neither of the above (NT_VOID). Builtin macros like __LINE__ are flagged NODE_BUILTIN. Poisioned identifiers are flagged NODE_POISONED. NODE_OPERATOR (C++ only) indicates an identifier that behaves like an operator such as "xor". NODE_DIAGNOSTIC is for speed in lex_token: it indicates a diagnostic may be required for this node. Currently this only applies to __VA_ARGS__ and poisoned identifiers. */ /* Hash node flags. */ #define NODE_OPERATOR (1 << 0) /* C++ named operator. */ #define NODE_POISONED (1 << 1) /* Poisoned identifier. */ #define NODE_BUILTIN (1 << 2) /* Builtin macro. */ #define NODE_DIAGNOSTIC (1 << 3) /* Possible diagnostic when lexed. */ #define NODE_WARN (1 << 4) /* Warn if redefined or undefined. */ #define NODE_DISABLED (1 << 5) /* A disabled macro. */ /* Different flavors of hash node. */ enum node_type { NT_VOID = 0, /* No definition yet. */ NT_MACRO, /* A macro of some form. */ NT_ASSERTION /* Predicate for #assert. */ }; /* Different flavors of builtin macro. _Pragma is an operator, but we handle it with the builtin code for efficiency reasons. */ enum builtin_type { BT_SPECLINE = 0, /* `__LINE__' */ BT_DATE, /* `__DATE__' */ BT_FILE, /* `__FILE__' */ BT_BASE_FILE, /* `__BASE_FILE__' */ BT_INCLUDE_LEVEL, /* `__INCLUDE_LEVEL__' */ BT_TIME, /* `__TIME__' */ BT_STDC, /* `__STDC__' */ BT_PRAGMA /* `_Pragma' operator */ }; #define CPP_HASHNODE(HNODE) ((cpp_hashnode *) (HNODE)) #define HT_NODE(NODE) ((ht_identifier *) (NODE)) #define NODE_LEN(NODE) HT_LEN (&(NODE)->ident) #define NODE_NAME(NODE) HT_STR (&(NODE)->ident) /* 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. */ struct cpp_hashnode GTY(()) { struct ht_identifier ident; unsigned short arg_index; /* Macro argument index. */ unsigned char directive_index; /* Index into directive table. */ unsigned char rid_code; /* Rid code - for front ends. */ ENUM_BITFIELD(node_type) type : 8; /* CPP node type. */ unsigned char flags; /* CPP flags. */ union cpp_hashnode_u { /* If a macro. */ cpp_macro * GTY((skip (""))) macro; /* Answers to an assertion. */ struct answer * GTY ((skip (""))) answers; /* Code for a named operator. */ enum cpp_ttype GTY ((tag ("0"))) operator; /* Code for a builtin macro. */ enum builtin_type GTY ((tag ("1"))) builtin; } GTY ((desc ("0"))) value; }; /* APPLE LOCAL begin Symbol Separation */ struct cpp_stab_checksum GTY(()) { unsigned long checksum; }; extern void cpp_write_symbol_deps PARAMS ((struct cpp_reader *)); extern void cpp_read_stabs_checksum PARAMS ((struct cpp_reader *, int)); extern unsigned long cpp_get_stabs_checksum PARAMS ((void)); extern void cpp_calculate_stabs_checksum PARAMS ((const char *)); extern const char * cpp_symbol_separation_init PARAMS ((struct cpp_reader *, const char *, const char *)); /* APPLE LOCAL end Symbol Separation */ /* Call this first to get a handle to pass to other functions. */ extern cpp_reader *cpp_create_reader PARAMS ((enum c_lang)); /* Call this to change the selected language standard (e.g. because of command line options). */ extern void cpp_set_lang PARAMS ((cpp_reader *, enum c_lang)); /* Add a dependency TARGET. Quote it for "make" if QUOTE. Can be called any number of times before cpp_read_main_file(). If no targets have been added before cpp_read_main_file(), then the default target is used. */ extern void cpp_add_dependency_target PARAMS ((cpp_reader *, const char * target, int quote)); /* Call these to get pointers to the options and callback structures for a given reader. These pointers are good until you call cpp_finish on that reader. You can either edit the callbacks through the pointer returned from cpp_get_callbacks, or set them with cpp_set_callbacks. */ extern cpp_options *cpp_get_options PARAMS ((cpp_reader *)); extern const struct line_maps *cpp_get_line_maps PARAMS ((cpp_reader *)); extern cpp_callbacks *cpp_get_callbacks PARAMS ((cpp_reader *)); extern void cpp_set_callbacks PARAMS ((cpp_reader *, cpp_callbacks *)); /* Now call cpp_handle_option[s] to handle 1[or more] switches. The return value is the number of arguments used. If cpp_handle_options returns without using all arguments, it couldn't understand the next switch. Options processing is not completed until you call cpp_finish_options. */ extern int cpp_handle_options PARAMS ((cpp_reader *, int, char **)); extern int cpp_handle_option PARAMS ((cpp_reader *, int, char **)); /* This function reads the file, but does not start preprocessing. It returns the name of the original file; this is the same as the input file, except for preprocessed input. This will generate at least one file change callback, and possibly a line change callback too. If there was an error opening the file, it returns NULL. If you want cpplib to manage its own hashtable, pass in a NULL pointer. Otherise you should pass in an initialized hash table that cpplib will share; this technique is used by the C front ends. */ extern const char *cpp_read_main_file PARAMS ((cpp_reader *, const char *, struct ht *)); /* BEGIN APPLE LOCAL IMI */ /* This continues processing to a new file. It will return false if there was an error opening the file. */ extern bool cpp_read_next_file PARAMS ((cpp_reader *, const char *)); /* END APPLE LOCAL IMI */ /* Deferred handling of command line options that can generate debug callbacks, such as -D and -imacros. Call this after cpp_read_main_file. The front ends need this separation so they can initialize debug output with the original file name, returned from cpp_read_main_file, before they get debug callbacks. */ extern void cpp_finish_options PARAMS ((cpp_reader *)); /* 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 PARAMS ((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). */ extern void cpp_destroy PARAMS ((cpp_reader *)); /* Error count. */ extern unsigned int cpp_errors PARAMS ((cpp_reader *)); extern unsigned int cpp_token_len PARAMS ((const cpp_token *)); extern unsigned char *cpp_token_as_text PARAMS ((cpp_reader *, const cpp_token *)); extern unsigned char *cpp_spell_token PARAMS ((cpp_reader *, const cpp_token *, unsigned char *)); extern void cpp_register_pragma PARAMS ((cpp_reader *, const char *, const char *, void (*) PARAMS ((cpp_reader *)))); extern int cpp_avoid_paste PARAMS ((cpp_reader *, const cpp_token *, const cpp_token *)); extern const cpp_token *cpp_get_token PARAMS ((cpp_reader *)); extern const unsigned char *cpp_macro_definition PARAMS ((cpp_reader *, const cpp_hashnode *)); extern void _cpp_backup_tokens PARAMS ((cpp_reader *, unsigned int)); /* Evaluate a CPP_CHAR or CPP_WCHAR token. */ extern cppchar_t cpp_interpret_charconst PARAMS ((cpp_reader *, const cpp_token *, unsigned int *, int *)); /* Used to register builtins during the register_builtins callback. The text is the same as the command line argument. */ extern void cpp_define PARAMS ((cpp_reader *, const char *)); extern void cpp_assert PARAMS ((cpp_reader *, const char *)); extern void cpp_undef PARAMS ((cpp_reader *, const char *)); extern void cpp_unassert PARAMS ((cpp_reader *, const char *)); /* BEGIN APPLE LOCAL IMI */ /* Undefine all macros and assertions. */ extern void cpp_undef_all PARAMS ((cpp_reader *)); /* END APPLE LOCAL IMI */ extern cpp_buffer *cpp_push_buffer PARAMS ((cpp_reader *, const unsigned char *, size_t, int, int)); extern int cpp_defined PARAMS ((cpp_reader *, const unsigned char *, int)); /* A preprocessing number. Code assumes that any unused high bits of the double integer are set to zero. */ typedef unsigned HOST_WIDE_INT cpp_num_part; typedef struct cpp_num cpp_num; struct cpp_num { cpp_num_part high; cpp_num_part low; bool unsignedp; /* True if value should be treated as unsigned. */ bool overflow; /* True if the most recent calculation overflowed. */ }; /* cpplib provides two interfaces for interpretation of preprocessing numbers. cpp_classify_number categorizes numeric constants according to their field (integer, floating point, or invalid), radix (decimal, octal, hexadecimal), and type suffixes. */ #define CPP_N_CATEGORY 0x000F #define CPP_N_INVALID 0x0000 #define CPP_N_INTEGER 0x0001 #define CPP_N_FLOATING 0x0002 #define CPP_N_WIDTH 0x00F0 #define CPP_N_SMALL 0x0010 /* int, float. */ #define CPP_N_MEDIUM 0x0020 /* long, double. */ #define CPP_N_LARGE 0x0040 /* long long, long double. */ #define CPP_N_RADIX 0x0F00 #define CPP_N_DECIMAL 0x0100 #define CPP_N_HEX 0x0200 #define CPP_N_OCTAL 0x0400 #define CPP_N_UNSIGNED 0x1000 /* Properties. */ #define CPP_N_IMAGINARY 0x2000 /* Classify a CPP_NUMBER token. The return value is a combination of the flags from the above sets. */ extern unsigned cpp_classify_number PARAMS ((cpp_reader *, const cpp_token *)); /* Evaluate a token classified as category CPP_N_INTEGER. */ extern cpp_num cpp_interpret_integer PARAMS ((cpp_reader *, const cpp_token *, unsigned int type)); /* Sign extend a number, with PRECISION significant bits and all others assumed clear, to fill out a cpp_num structure. */ cpp_num cpp_num_sign_extend PARAMS ((cpp_num, size_t)); /* Diagnostic levels. To get a dianostic without associating a position in the translation unit with it, use cpp_error_with_line with a line number of zero. */ /* Warning, an error with -Werror. */ #define DL_WARNING 0x00 /* Same as DL_WARNING, except it is not suppressed in system headers. */ #define DL_WARNING_SYSHDR 0x01 /* Warning, an error with -pedantic-errors or -Werror. */ #define DL_PEDWARN 0x02 /* An error. */ #define DL_ERROR 0x03 /* An internal consistency check failed. Prints "internal error: ", otherwise the same as DL_ERROR. */ #define DL_ICE 0x04 /* Extracts a diagnostic level from an int. */ #define DL_EXTRACT(l) (l & 0xf) /* Nonzero if a diagnostic level is one of the warnings. */ #define DL_WARNING_P(l) (DL_EXTRACT (l) >= DL_WARNING \ && DL_EXTRACT (l) <= 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 PARAMS ((cpp_reader *, int, const char *msgid, ...)) ATTRIBUTE_PRINTF_3; /* Output a diagnostic of severity LEVEL, with "MSG: " preceding the error string of errno. No location is printed. */ extern void cpp_errno PARAMS ((cpp_reader *, int level, const char *msg)); /* 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 PARAMS ((cpp_reader *, int, unsigned, unsigned, const char *msgid, ...)) ATTRIBUTE_PRINTF_5; /* APPLE LOCAL begin -header-mapfile */ #define HMAP_SAME_ENDIANNESS_MAGIC (((((('h' << 8) | 'm') << 8) | 'a') << 8) | 'p') #define HMAP_OPPOSITE_ENDIANNESS_MAGIC (((((('p' << 8) | 'a') << 8) | 'm') << 8) | 'h') #define HMAP_NOT_A_KEY 0x00000000 #if !defined(uint32) typedef unsigned short uint16; typedef unsigned long uint32; #endif struct hmap_bucket { uint32 key; /* Offset (into strings) of key */ struct { uint32 prefix; /* Offset (into strings) of value prefix */ uint32 suffix; /* Offset (into strings) of value suffix */ } value; /* Value (prefix- and suffix-strings) */ }; struct hmap_header_map { uint32 magic; /* Magic word, also indicates byte order */ uint16 version; /* Version number -- currently 1 */ uint16 _reserved; /* Reserved for future use -- zero for now */ uint32 strings_offset; /* Offset to start of string pool */ uint32 count; /* Number of entries in the string table */ uint32 capacity; /* Number of buckets (always a power of 2) */ uint32 max_value_length; /* Length of longest result path (excl. '\0') */ struct hmap_bucket buckets[1]; /* Inline array of 'capacity' maptable buckets */ /* Strings follow the buckets, at strings_offset. */ }; extern struct search_path *hmap_lookup_path PARAMS ((cpp_reader *, const char **)); /* APPLE LOCAL end -header-mapfile */ /* APPLE LOCAL -inclusion-log-file */ extern void ilog_printf PARAMS ((cpp_reader *, const char *, ...)); /* In cpplex.c */ extern int cpp_ideq PARAMS ((const cpp_token *, const char *)); extern void cpp_output_line PARAMS ((cpp_reader *, FILE *)); extern void cpp_output_token PARAMS ((const cpp_token *, FILE *)); extern const char *cpp_type2name PARAMS ((enum cpp_ttype)); /* Returns the value of an escape sequence, truncated to the correct target precision. PSTR points to the input pointer, which is just after the backslash. LIMIT is how much text we have. WIDE is true if the escape sequence is part of a wide character constant or string literal. Handles all relevant diagnostics. */ extern cppchar_t cpp_parse_escape PARAMS ((cpp_reader *, const unsigned char ** pstr, const unsigned char *limit, int wide)); /* In cpphash.c */ /* Lookup an identifier in the hashtable. Puts the identifier in the table if it is not already there. */ extern cpp_hashnode *cpp_lookup PARAMS ((cpp_reader *, const unsigned char *, unsigned int)); typedef int (*cpp_cb) PARAMS ((cpp_reader *, cpp_hashnode *, void *)); extern void cpp_forall_identifiers PARAMS ((cpp_reader *, cpp_cb, void *)); /* In cppmacro.c */ extern void cpp_scan_nooutput PARAMS ((cpp_reader *)); extern int cpp_sys_macro_p PARAMS ((cpp_reader *)); extern unsigned char *cpp_quote_string PARAMS ((unsigned char *, const unsigned char *, unsigned int)); /* In cppfiles.c */ extern int cpp_included PARAMS ((cpp_reader *, const char *)); extern void cpp_make_system_header PARAMS ((cpp_reader *, int, int)); /* In cpppch.c */ struct save_macro_data; extern int cpp_save_state PARAMS ((cpp_reader *, FILE *)); extern int cpp_write_pch_deps PARAMS ((cpp_reader *, FILE *)); extern int cpp_write_pch_state PARAMS ((cpp_reader *, FILE *)); extern int cpp_valid_state PARAMS ((cpp_reader *, const char *, int)); extern void cpp_prepare_state PARAMS ((cpp_reader *, struct save_macro_data **)); extern int cpp_read_state PARAMS ((cpp_reader *, const char *, FILE *, struct save_macro_data *)); /* APPLE LOCAL begin read-from-stdin */ extern bool read_from_stdin PARAMS ((cpp_reader *)); extern void set_stdin_option PARAMS ((cpp_reader *, const char*)); /* APPLE LOCAL end read-from-stdin */ /* In cppmain.c */ extern void cpp_preprocess_file PARAMS ((cpp_reader *, const char *, FILE *)); #ifdef __cplusplus } #endif #endif /* ! GCC_CPPLIB_H */