/* Definitions for CPP library.
- Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
Written by Per Bothner, 1994-95.
typedef struct cpp_dir cpp_dir;
struct answer;
+struct _cpp_file;
/* The first three groups, apart from '=', can appear in preprocessor
expressions (+= and -= are used to indicate unary + and - resp.).
occupy 16 bytes on 32-bit hosts and 24 bytes on 64-bit hosts. */
struct cpp_token
{
- fileline line; /* Logical line of first char of token. */
- unsigned short col; /* Column of first char of token. */
+ 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 */
promotions. */
unsigned char warn_num_sign_change;
+ /* Zero means don't warn about __VA_ARGS__ usage in c89 pedantic mode.
+ 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 __STDC__ should have the value 0 in system headers. */
unsigned char stdc_0_in_system_headers;
-
- /* Nonzero means output a directory line marker right after the
- initial file name line marker, and before a duplicate initial
- line marker. */
- bool working_directory;
};
+/* Callback for header lookup for HEADER, which is the name of a
+ source file. It is used as a method of last resort to find headers
+ that are not otherwise found during the normal include processing.
+ The return value is the malloced name of a header to try and open,
+ if any, or NULL otherwise. This callback is called only if the
+ header is otherwise unfound. */
+typedef const char *(*missing_header_cb)(cpp_reader *, const char *header);
+
/* Call backs to cpplib client. */
struct cpp_callbacks
{
void (*def_pragma) (cpp_reader *, unsigned int);
int (*valid_pch) (cpp_reader *, const char *, int);
void (*read_pch) (cpp_reader *, const char *, int, const char *);
+ missing_header_cb missing_header;
};
/* Chain of directories to look for include files in. */
platforms. A NULL-terminated array of (from, to) pairs. */
const char **name_map;
+ /* Routine to construct pathname, given the search path name and the
+ HEADER we are trying to find, return a constructed pathname to
+ try and open. If this is NULL, the constructed pathname is as
+ constructed by append_file_to_dir. */
+ char *(*construct) (const char *header, cpp_dir *dir);
+
/* The C front end uses these to recognize duplicated
directories in the search path. */
ino_t ino;
union _cpp_hashnode_value
{
/* If a macro. */
- cpp_macro * GTY((skip (""))) macro;
+ cpp_macro * GTY((skip)) macro;
/* Answers to an assertion. */
- struct answer * GTY ((skip (""))) answers;
+ struct answer * GTY ((skip)) answers;
/* Code for a builtin macro. */
enum builtin_type GTY ((tag ("1"))) builtin;
/* Macro argument index. */
through the pointer returned from cpp_get_callbacks, or set them
with cpp_set_callbacks. */
extern cpp_options *cpp_get_options (cpp_reader *);
-extern const struct line_maps *cpp_get_line_maps (cpp_reader *);
extern cpp_callbacks *cpp_get_callbacks (cpp_reader *);
extern void cpp_set_callbacks (cpp_reader *, cpp_callbacks *);
-/* This function finds the main file, but does not start reading it.
- Returns true iff the file was found. */
-extern bool cpp_find_main_file (cpp_reader *, const char *);
-
-/* This function reads the file, but does not start preprocessing.
- This will generate at least one file change callback, and possibly
- a line change callback. */
-extern void cpp_push_main_file (cpp_reader *);
+/* 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. */
+extern const char *cpp_read_main_file (cpp_reader *, const char *);
/* Set up built-ins like __FILE__. */
extern void cpp_init_builtins (cpp_reader *, int);
extern bool cpp_interpret_string (cpp_reader *,
const cpp_string *, size_t,
cpp_string *, bool);
+extern bool cpp_interpret_string_notranslate (cpp_reader *,
+ const cpp_string *, size_t,
+ cpp_string *, bool);
/* Used to register macros and assertions, perhaps from the command line.
The text is the same as the command line argument. */
/* 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, fileline, unsigned,
+extern void cpp_error_with_line (cpp_reader *, int, source_location, unsigned,
const char *msgid, ...) ATTRIBUTE_PRINTF_5;
/* In cpplex.c */
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 const char *cpp_get_path (struct _cpp_file *);
+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 *);
/* In cpppch.c */
struct save_macro_data;
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