/* Preprocess only, using cpplib.
|
/* Preprocess only, using cpplib.
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Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007,
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Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007,
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2008, 2009 Free Software Foundation, Inc.
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2008, 2009 Free Software Foundation, Inc.
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Written by Per Bothner, 1994-95.
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Written by Per Bothner, 1994-95.
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This program is free software; you can redistribute it and/or modify it
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 3, or (at your option) any
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Free Software Foundation; either version 3, or (at your option) any
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later version.
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later version.
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|
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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|
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING3. If not see
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along with this program; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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|
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#include "config.h"
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#include "config.h"
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#include "system.h"
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#include "system.h"
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#include "coretypes.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "tm.h"
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#include "cpplib.h"
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#include "cpplib.h"
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#include "../libcpp/internal.h"
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#include "../libcpp/internal.h"
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#include "tree.h"
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#include "tree.h"
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#include "c-common.h" /* For flags. */
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#include "c-common.h" /* For flags. */
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#include "c-pragma.h" /* For parse_in. */
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#include "c-pragma.h" /* For parse_in. */
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|
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/* Encapsulates state used to convert a stream of tokens into a text
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/* Encapsulates state used to convert a stream of tokens into a text
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file. */
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file. */
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static struct
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static struct
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{
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{
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FILE *outf; /* Stream to write to. */
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FILE *outf; /* Stream to write to. */
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const cpp_token *prev; /* Previous token. */
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const cpp_token *prev; /* Previous token. */
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const cpp_token *source; /* Source token for spacing. */
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const cpp_token *source; /* Source token for spacing. */
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int src_line; /* Line number currently being written. */
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int src_line; /* Line number currently being written. */
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unsigned char printed; /* Nonzero if something output at line. */
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unsigned char printed; /* Nonzero if something output at line. */
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bool first_time; /* pp_file_change hasn't been called yet. */
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bool first_time; /* pp_file_change hasn't been called yet. */
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} print;
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} print;
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|
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/* Defined and undefined macros being queued for output with -dU at
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/* Defined and undefined macros being queued for output with -dU at
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the next newline. */
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the next newline. */
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typedef struct macro_queue
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typedef struct macro_queue
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{
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{
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struct macro_queue *next; /* Next macro in the list. */
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struct macro_queue *next; /* Next macro in the list. */
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char *macro; /* The name of the macro if not
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char *macro; /* The name of the macro if not
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defined, the full definition if
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defined, the full definition if
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defined. */
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defined. */
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} macro_queue;
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} macro_queue;
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static macro_queue *define_queue, *undef_queue;
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static macro_queue *define_queue, *undef_queue;
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|
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/* General output routines. */
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/* General output routines. */
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static void scan_translation_unit (cpp_reader *);
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static void scan_translation_unit (cpp_reader *);
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static void print_lines_directives_only (int, const void *, size_t);
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static void print_lines_directives_only (int, const void *, size_t);
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static void scan_translation_unit_directives_only (cpp_reader *);
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static void scan_translation_unit_directives_only (cpp_reader *);
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static void scan_translation_unit_trad (cpp_reader *);
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static void scan_translation_unit_trad (cpp_reader *);
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static void account_for_newlines (const unsigned char *, size_t);
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static void account_for_newlines (const unsigned char *, size_t);
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static int dump_macro (cpp_reader *, cpp_hashnode *, void *);
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static int dump_macro (cpp_reader *, cpp_hashnode *, void *);
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static void dump_queued_macros (cpp_reader *);
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static void dump_queued_macros (cpp_reader *);
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static void print_line (source_location, const char *);
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static void print_line (source_location, const char *);
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static void maybe_print_line (source_location);
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static void maybe_print_line (source_location);
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static void do_line_change (cpp_reader *, const cpp_token *,
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static void do_line_change (cpp_reader *, const cpp_token *,
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source_location, int);
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source_location, int);
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/* Callback routines for the parser. Most of these are active only
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/* Callback routines for the parser. Most of these are active only
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in specific modes. */
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in specific modes. */
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static void cb_line_change (cpp_reader *, const cpp_token *, int);
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static void cb_line_change (cpp_reader *, const cpp_token *, int);
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static void cb_define (cpp_reader *, source_location, cpp_hashnode *);
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static void cb_define (cpp_reader *, source_location, cpp_hashnode *);
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static void cb_undef (cpp_reader *, source_location, cpp_hashnode *);
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static void cb_undef (cpp_reader *, source_location, cpp_hashnode *);
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static void cb_used_define (cpp_reader *, source_location, cpp_hashnode *);
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static void cb_used_define (cpp_reader *, source_location, cpp_hashnode *);
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static void cb_used_undef (cpp_reader *, source_location, cpp_hashnode *);
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static void cb_used_undef (cpp_reader *, source_location, cpp_hashnode *);
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static void cb_include (cpp_reader *, source_location, const unsigned char *,
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static void cb_include (cpp_reader *, source_location, const unsigned char *,
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const char *, int, const cpp_token **);
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const char *, int, const cpp_token **);
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static void cb_ident (cpp_reader *, source_location, const cpp_string *);
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static void cb_ident (cpp_reader *, source_location, const cpp_string *);
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static void cb_def_pragma (cpp_reader *, source_location);
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static void cb_def_pragma (cpp_reader *, source_location);
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static void cb_read_pch (cpp_reader *pfile, const char *name,
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static void cb_read_pch (cpp_reader *pfile, const char *name,
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int fd, const char *orig_name);
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int fd, const char *orig_name);
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/* Preprocess and output. */
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/* Preprocess and output. */
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void
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void
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preprocess_file (cpp_reader *pfile)
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preprocess_file (cpp_reader *pfile)
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{
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{
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/* A successful cpp_read_main_file guarantees that we can call
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/* A successful cpp_read_main_file guarantees that we can call
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cpp_scan_nooutput or cpp_get_token next. */
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cpp_scan_nooutput or cpp_get_token next. */
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if (flag_no_output)
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if (flag_no_output)
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{
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{
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/* Scan -included buffers, then the main file. */
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/* Scan -included buffers, then the main file. */
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while (pfile->buffer->prev)
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while (pfile->buffer->prev)
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cpp_scan_nooutput (pfile);
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cpp_scan_nooutput (pfile);
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cpp_scan_nooutput (pfile);
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cpp_scan_nooutput (pfile);
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}
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}
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else if (cpp_get_options (pfile)->traditional)
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else if (cpp_get_options (pfile)->traditional)
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scan_translation_unit_trad (pfile);
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scan_translation_unit_trad (pfile);
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else if (cpp_get_options (pfile)->directives_only
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else if (cpp_get_options (pfile)->directives_only
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&& !cpp_get_options (pfile)->preprocessed)
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&& !cpp_get_options (pfile)->preprocessed)
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scan_translation_unit_directives_only (pfile);
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scan_translation_unit_directives_only (pfile);
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else
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else
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scan_translation_unit (pfile);
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scan_translation_unit (pfile);
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|
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/* -dM command line option. Should this be elsewhere? */
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/* -dM command line option. Should this be elsewhere? */
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if (flag_dump_macros == 'M')
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if (flag_dump_macros == 'M')
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cpp_forall_identifiers (pfile, dump_macro, NULL);
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cpp_forall_identifiers (pfile, dump_macro, NULL);
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|
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/* Flush any pending output. */
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/* Flush any pending output. */
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if (print.printed)
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if (print.printed)
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putc ('\n', print.outf);
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putc ('\n', print.outf);
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}
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}
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/* Set up the callbacks as appropriate. */
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/* Set up the callbacks as appropriate. */
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void
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void
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init_pp_output (FILE *out_stream)
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init_pp_output (FILE *out_stream)
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{
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{
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cpp_callbacks *cb = cpp_get_callbacks (parse_in);
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cpp_callbacks *cb = cpp_get_callbacks (parse_in);
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|
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if (!flag_no_output)
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if (!flag_no_output)
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{
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{
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cb->line_change = cb_line_change;
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cb->line_change = cb_line_change;
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/* Don't emit #pragma or #ident directives if we are processing
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/* Don't emit #pragma or #ident directives if we are processing
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assembly language; the assembler may choke on them. */
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assembly language; the assembler may choke on them. */
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if (cpp_get_options (parse_in)->lang != CLK_ASM)
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if (cpp_get_options (parse_in)->lang != CLK_ASM)
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{
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{
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cb->ident = cb_ident;
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cb->ident = cb_ident;
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cb->def_pragma = cb_def_pragma;
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cb->def_pragma = cb_def_pragma;
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}
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}
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}
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}
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if (flag_dump_includes)
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if (flag_dump_includes)
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cb->include = cb_include;
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cb->include = cb_include;
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if (flag_pch_preprocess)
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if (flag_pch_preprocess)
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{
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{
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cb->valid_pch = c_common_valid_pch;
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cb->valid_pch = c_common_valid_pch;
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cb->read_pch = cb_read_pch;
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cb->read_pch = cb_read_pch;
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}
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}
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if (flag_dump_macros == 'N' || flag_dump_macros == 'D')
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if (flag_dump_macros == 'N' || flag_dump_macros == 'D')
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{
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{
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cb->define = cb_define;
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cb->define = cb_define;
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cb->undef = cb_undef;
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cb->undef = cb_undef;
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}
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}
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if (flag_dump_macros == 'U')
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if (flag_dump_macros == 'U')
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{
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{
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cb->before_define = dump_queued_macros;
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cb->before_define = dump_queued_macros;
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cb->used_define = cb_used_define;
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cb->used_define = cb_used_define;
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cb->used_undef = cb_used_undef;
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cb->used_undef = cb_used_undef;
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}
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}
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/* Initialize the print structure. */
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/* Initialize the print structure. */
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print.src_line = 1;
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print.src_line = 1;
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print.printed = 0;
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print.printed = 0;
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print.prev = 0;
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print.prev = 0;
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print.outf = out_stream;
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print.outf = out_stream;
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print.first_time = 1;
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print.first_time = 1;
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}
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}
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/* Writes out the preprocessed file, handling spacing and paste
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/* Writes out the preprocessed file, handling spacing and paste
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avoidance issues. */
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avoidance issues. */
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static void
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static void
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scan_translation_unit (cpp_reader *pfile)
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scan_translation_unit (cpp_reader *pfile)
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{
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{
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bool avoid_paste = false;
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bool avoid_paste = false;
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bool do_line_adjustments
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bool do_line_adjustments
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= cpp_get_options (parse_in)->lang != CLK_ASM
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= cpp_get_options (parse_in)->lang != CLK_ASM
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&& !flag_no_line_commands;
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&& !flag_no_line_commands;
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bool in_pragma = false;
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bool in_pragma = false;
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print.source = NULL;
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print.source = NULL;
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for (;;)
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for (;;)
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{
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{
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source_location loc;
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source_location loc;
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const cpp_token *token = cpp_get_token_with_location (pfile, &loc);
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const cpp_token *token = cpp_get_token_with_location (pfile, &loc);
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|
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if (token->type == CPP_PADDING)
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if (token->type == CPP_PADDING)
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{
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{
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avoid_paste = true;
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avoid_paste = true;
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if (print.source == NULL
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if (print.source == NULL
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|| (!(print.source->flags & PREV_WHITE)
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|| (!(print.source->flags & PREV_WHITE)
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&& token->val.source == NULL))
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&& token->val.source == NULL))
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print.source = token->val.source;
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print.source = token->val.source;
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continue;
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continue;
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}
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}
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|
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if (token->type == CPP_EOF)
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if (token->type == CPP_EOF)
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break;
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break;
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|
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/* Subtle logic to output a space if and only if necessary. */
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/* Subtle logic to output a space if and only if necessary. */
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if (avoid_paste)
|
if (avoid_paste)
|
{
|
{
|
const struct line_map *map
|
const struct line_map *map
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= linemap_lookup (line_table, loc);
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= linemap_lookup (line_table, loc);
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int src_line = SOURCE_LINE (map, loc);
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int src_line = SOURCE_LINE (map, loc);
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|
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if (print.source == NULL)
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if (print.source == NULL)
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print.source = token;
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print.source = token;
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|
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if (src_line != print.src_line
|
if (src_line != print.src_line
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&& do_line_adjustments
|
&& do_line_adjustments
|
&& !in_pragma)
|
&& !in_pragma)
|
{
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{
|
do_line_change (pfile, token, loc, false);
|
do_line_change (pfile, token, loc, false);
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putc (' ', print.outf);
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putc (' ', print.outf);
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}
|
}
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else if (print.source->flags & PREV_WHITE
|
else if (print.source->flags & PREV_WHITE
|
|| (print.prev
|
|| (print.prev
|
&& cpp_avoid_paste (pfile, print.prev, token))
|
&& cpp_avoid_paste (pfile, print.prev, token))
|
|| (print.prev == NULL && token->type == CPP_HASH))
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|| (print.prev == NULL && token->type == CPP_HASH))
|
putc (' ', print.outf);
|
putc (' ', print.outf);
|
}
|
}
|
else if (token->flags & PREV_WHITE)
|
else if (token->flags & PREV_WHITE)
|
{
|
{
|
const struct line_map *map
|
const struct line_map *map
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= linemap_lookup (line_table, loc);
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= linemap_lookup (line_table, loc);
|
int src_line = SOURCE_LINE (map, loc);
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int src_line = SOURCE_LINE (map, loc);
|
|
|
if (src_line != print.src_line
|
if (src_line != print.src_line
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&& do_line_adjustments
|
&& do_line_adjustments
|
&& !in_pragma)
|
&& !in_pragma)
|
do_line_change (pfile, token, loc, false);
|
do_line_change (pfile, token, loc, false);
|
putc (' ', print.outf);
|
putc (' ', print.outf);
|
}
|
}
|
|
|
avoid_paste = false;
|
avoid_paste = false;
|
print.source = NULL;
|
print.source = NULL;
|
print.prev = token;
|
print.prev = token;
|
if (token->type == CPP_PRAGMA)
|
if (token->type == CPP_PRAGMA)
|
{
|
{
|
const char *space;
|
const char *space;
|
const char *name;
|
const char *name;
|
|
|
maybe_print_line (token->src_loc);
|
maybe_print_line (token->src_loc);
|
fputs ("#pragma ", print.outf);
|
fputs ("#pragma ", print.outf);
|
c_pp_lookup_pragma (token->val.pragma, &space, &name);
|
c_pp_lookup_pragma (token->val.pragma, &space, &name);
|
if (space)
|
if (space)
|
fprintf (print.outf, "%s %s", space, name);
|
fprintf (print.outf, "%s %s", space, name);
|
else
|
else
|
fprintf (print.outf, "%s", name);
|
fprintf (print.outf, "%s", name);
|
print.printed = 1;
|
print.printed = 1;
|
in_pragma = true;
|
in_pragma = true;
|
}
|
}
|
else if (token->type == CPP_PRAGMA_EOL)
|
else if (token->type == CPP_PRAGMA_EOL)
|
{
|
{
|
maybe_print_line (token->src_loc);
|
maybe_print_line (token->src_loc);
|
in_pragma = false;
|
in_pragma = false;
|
}
|
}
|
else
|
else
|
cpp_output_token (token, print.outf);
|
cpp_output_token (token, print.outf);
|
|
|
if (token->type == CPP_COMMENT)
|
if (token->type == CPP_COMMENT)
|
account_for_newlines (token->val.str.text, token->val.str.len);
|
account_for_newlines (token->val.str.text, token->val.str.len);
|
}
|
}
|
}
|
}
|
|
|
static void
|
static void
|
print_lines_directives_only (int lines, const void *buf, size_t size)
|
print_lines_directives_only (int lines, const void *buf, size_t size)
|
{
|
{
|
print.src_line += lines;
|
print.src_line += lines;
|
fwrite (buf, 1, size, print.outf);
|
fwrite (buf, 1, size, print.outf);
|
}
|
}
|
|
|
/* Writes out the preprocessed file, handling spacing and paste
|
/* Writes out the preprocessed file, handling spacing and paste
|
avoidance issues. */
|
avoidance issues. */
|
static void
|
static void
|
scan_translation_unit_directives_only (cpp_reader *pfile)
|
scan_translation_unit_directives_only (cpp_reader *pfile)
|
{
|
{
|
struct _cpp_dir_only_callbacks cb;
|
struct _cpp_dir_only_callbacks cb;
|
|
|
cb.print_lines = print_lines_directives_only;
|
cb.print_lines = print_lines_directives_only;
|
cb.maybe_print_line = maybe_print_line;
|
cb.maybe_print_line = maybe_print_line;
|
|
|
_cpp_preprocess_dir_only (pfile, &cb);
|
_cpp_preprocess_dir_only (pfile, &cb);
|
}
|
}
|
|
|
/* Adjust print.src_line for newlines embedded in output. */
|
/* Adjust print.src_line for newlines embedded in output. */
|
static void
|
static void
|
account_for_newlines (const unsigned char *str, size_t len)
|
account_for_newlines (const unsigned char *str, size_t len)
|
{
|
{
|
while (len--)
|
while (len--)
|
if (*str++ == '\n')
|
if (*str++ == '\n')
|
print.src_line++;
|
print.src_line++;
|
}
|
}
|
|
|
/* Writes out a traditionally preprocessed file. */
|
/* Writes out a traditionally preprocessed file. */
|
static void
|
static void
|
scan_translation_unit_trad (cpp_reader *pfile)
|
scan_translation_unit_trad (cpp_reader *pfile)
|
{
|
{
|
while (_cpp_read_logical_line_trad (pfile))
|
while (_cpp_read_logical_line_trad (pfile))
|
{
|
{
|
size_t len = pfile->out.cur - pfile->out.base;
|
size_t len = pfile->out.cur - pfile->out.base;
|
maybe_print_line (pfile->out.first_line);
|
maybe_print_line (pfile->out.first_line);
|
fwrite (pfile->out.base, 1, len, print.outf);
|
fwrite (pfile->out.base, 1, len, print.outf);
|
print.printed = 1;
|
print.printed = 1;
|
if (!CPP_OPTION (pfile, discard_comments))
|
if (!CPP_OPTION (pfile, discard_comments))
|
account_for_newlines (pfile->out.base, len);
|
account_for_newlines (pfile->out.base, len);
|
}
|
}
|
}
|
}
|
|
|
/* If the token read on logical line LINE needs to be output on a
|
/* If the token read on logical line LINE needs to be output on a
|
different line to the current one, output the required newlines or
|
different line to the current one, output the required newlines or
|
a line marker, and return 1. Otherwise return 0. */
|
a line marker, and return 1. Otherwise return 0. */
|
static void
|
static void
|
maybe_print_line (source_location src_loc)
|
maybe_print_line (source_location src_loc)
|
{
|
{
|
const struct line_map *map = linemap_lookup (line_table, src_loc);
|
const struct line_map *map = linemap_lookup (line_table, src_loc);
|
int src_line = SOURCE_LINE (map, src_loc);
|
int src_line = SOURCE_LINE (map, src_loc);
|
/* End the previous line of text. */
|
/* End the previous line of text. */
|
if (print.printed)
|
if (print.printed)
|
{
|
{
|
putc ('\n', print.outf);
|
putc ('\n', print.outf);
|
print.src_line++;
|
print.src_line++;
|
print.printed = 0;
|
print.printed = 0;
|
}
|
}
|
|
|
if (src_line >= print.src_line && src_line < print.src_line + 8)
|
if (src_line >= print.src_line && src_line < print.src_line + 8)
|
{
|
{
|
while (src_line > print.src_line)
|
while (src_line > print.src_line)
|
{
|
{
|
putc ('\n', print.outf);
|
putc ('\n', print.outf);
|
print.src_line++;
|
print.src_line++;
|
}
|
}
|
}
|
}
|
else
|
else
|
print_line (src_loc, "");
|
print_line (src_loc, "");
|
}
|
}
|
|
|
/* Output a line marker for logical line LINE. Special flags are "1"
|
/* Output a line marker for logical line LINE. Special flags are "1"
|
or "2" indicating entering or leaving a file. */
|
or "2" indicating entering or leaving a file. */
|
static void
|
static void
|
print_line (source_location src_loc, const char *special_flags)
|
print_line (source_location src_loc, const char *special_flags)
|
{
|
{
|
/* End any previous line of text. */
|
/* End any previous line of text. */
|
if (print.printed)
|
if (print.printed)
|
putc ('\n', print.outf);
|
putc ('\n', print.outf);
|
print.printed = 0;
|
print.printed = 0;
|
|
|
if (!flag_no_line_commands)
|
if (!flag_no_line_commands)
|
{
|
{
|
const struct line_map *map = linemap_lookup (line_table, src_loc);
|
const struct line_map *map = linemap_lookup (line_table, src_loc);
|
|
|
size_t to_file_len = strlen (map->to_file);
|
size_t to_file_len = strlen (map->to_file);
|
unsigned char *to_file_quoted =
|
unsigned char *to_file_quoted =
|
(unsigned char *) alloca (to_file_len * 4 + 1);
|
(unsigned char *) alloca (to_file_len * 4 + 1);
|
unsigned char *p;
|
unsigned char *p;
|
|
|
print.src_line = SOURCE_LINE (map, src_loc);
|
print.src_line = SOURCE_LINE (map, src_loc);
|
|
|
/* cpp_quote_string does not nul-terminate, so we have to do it
|
/* cpp_quote_string does not nul-terminate, so we have to do it
|
ourselves. */
|
ourselves. */
|
p = cpp_quote_string (to_file_quoted,
|
p = cpp_quote_string (to_file_quoted,
|
(const unsigned char *) map->to_file, to_file_len);
|
(const unsigned char *) map->to_file, to_file_len);
|
*p = '\0';
|
*p = '\0';
|
fprintf (print.outf, "# %u \"%s\"%s",
|
fprintf (print.outf, "# %u \"%s\"%s",
|
print.src_line == 0 ? 1 : print.src_line,
|
print.src_line == 0 ? 1 : print.src_line,
|
to_file_quoted, special_flags);
|
to_file_quoted, special_flags);
|
|
|
if (map->sysp == 2)
|
if (map->sysp == 2)
|
fputs (" 3 4", print.outf);
|
fputs (" 3 4", print.outf);
|
else if (map->sysp == 1)
|
else if (map->sysp == 1)
|
fputs (" 3", print.outf);
|
fputs (" 3", print.outf);
|
|
|
putc ('\n', print.outf);
|
putc ('\n', print.outf);
|
}
|
}
|
}
|
}
|
|
|
/* Helper function for cb_line_change and scan_translation_unit. */
|
/* Helper function for cb_line_change and scan_translation_unit. */
|
static void
|
static void
|
do_line_change (cpp_reader *pfile, const cpp_token *token,
|
do_line_change (cpp_reader *pfile, const cpp_token *token,
|
source_location src_loc, int parsing_args)
|
source_location src_loc, int parsing_args)
|
{
|
{
|
if (define_queue || undef_queue)
|
if (define_queue || undef_queue)
|
dump_queued_macros (pfile);
|
dump_queued_macros (pfile);
|
|
|
if (token->type == CPP_EOF || parsing_args)
|
if (token->type == CPP_EOF || parsing_args)
|
return;
|
return;
|
|
|
maybe_print_line (src_loc);
|
maybe_print_line (src_loc);
|
print.prev = 0;
|
print.prev = 0;
|
print.source = 0;
|
print.source = 0;
|
|
|
/* Supply enough spaces to put this token in its original column,
|
/* Supply enough spaces to put this token in its original column,
|
one space per column greater than 2, since scan_translation_unit
|
one space per column greater than 2, since scan_translation_unit
|
will provide a space if PREV_WHITE. Don't bother trying to
|
will provide a space if PREV_WHITE. Don't bother trying to
|
reconstruct tabs; we can't get it right in general, and nothing
|
reconstruct tabs; we can't get it right in general, and nothing
|
ought to care. Some things do care; the fault lies with them. */
|
ought to care. Some things do care; the fault lies with them. */
|
if (!CPP_OPTION (pfile, traditional))
|
if (!CPP_OPTION (pfile, traditional))
|
{
|
{
|
const struct line_map *map = linemap_lookup (line_table, src_loc);
|
const struct line_map *map = linemap_lookup (line_table, src_loc);
|
int spaces = SOURCE_COLUMN (map, src_loc) - 2;
|
int spaces = SOURCE_COLUMN (map, src_loc) - 2;
|
print.printed = 1;
|
print.printed = 1;
|
|
|
while (-- spaces >= 0)
|
while (-- spaces >= 0)
|
putc (' ', print.outf);
|
putc (' ', print.outf);
|
}
|
}
|
}
|
}
|
|
|
/* Called when a line of output is started. TOKEN is the first token
|
/* Called when a line of output is started. TOKEN is the first token
|
of the line, and at end of file will be CPP_EOF. */
|
of the line, and at end of file will be CPP_EOF. */
|
static void
|
static void
|
cb_line_change (cpp_reader *pfile, const cpp_token *token,
|
cb_line_change (cpp_reader *pfile, const cpp_token *token,
|
int parsing_args)
|
int parsing_args)
|
{
|
{
|
do_line_change (pfile, token, token->src_loc, parsing_args);
|
do_line_change (pfile, token, token->src_loc, parsing_args);
|
}
|
}
|
|
|
static void
|
static void
|
cb_ident (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line,
|
cb_ident (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line,
|
const cpp_string *str)
|
const cpp_string *str)
|
{
|
{
|
maybe_print_line (line);
|
maybe_print_line (line);
|
fprintf (print.outf, "#ident %s\n", str->text);
|
fprintf (print.outf, "#ident %s\n", str->text);
|
print.src_line++;
|
print.src_line++;
|
}
|
}
|
|
|
static void
|
static void
|
cb_define (cpp_reader *pfile, source_location line, cpp_hashnode *node)
|
cb_define (cpp_reader *pfile, source_location line, cpp_hashnode *node)
|
{
|
{
|
maybe_print_line (line);
|
maybe_print_line (line);
|
fputs ("#define ", print.outf);
|
fputs ("#define ", print.outf);
|
|
|
/* 'D' is whole definition; 'N' is name only. */
|
/* 'D' is whole definition; 'N' is name only. */
|
if (flag_dump_macros == 'D')
|
if (flag_dump_macros == 'D')
|
fputs ((const char *) cpp_macro_definition (pfile, node),
|
fputs ((const char *) cpp_macro_definition (pfile, node),
|
print.outf);
|
print.outf);
|
else
|
else
|
fputs ((const char *) NODE_NAME (node), print.outf);
|
fputs ((const char *) NODE_NAME (node), print.outf);
|
|
|
putc ('\n', print.outf);
|
putc ('\n', print.outf);
|
if (linemap_lookup (line_table, line)->to_line != 0)
|
if (linemap_lookup (line_table, line)->to_line != 0)
|
print.src_line++;
|
print.src_line++;
|
}
|
}
|
|
|
static void
|
static void
|
cb_undef (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line,
|
cb_undef (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line,
|
cpp_hashnode *node)
|
cpp_hashnode *node)
|
{
|
{
|
maybe_print_line (line);
|
maybe_print_line (line);
|
fprintf (print.outf, "#undef %s\n", NODE_NAME (node));
|
fprintf (print.outf, "#undef %s\n", NODE_NAME (node));
|
print.src_line++;
|
print.src_line++;
|
}
|
}
|
|
|
static void
|
static void
|
cb_used_define (cpp_reader *pfile, source_location line ATTRIBUTE_UNUSED,
|
cb_used_define (cpp_reader *pfile, source_location line ATTRIBUTE_UNUSED,
|
cpp_hashnode *node)
|
cpp_hashnode *node)
|
{
|
{
|
macro_queue *q;
|
macro_queue *q;
|
if (node->flags & NODE_BUILTIN)
|
if (node->flags & NODE_BUILTIN)
|
return;
|
return;
|
q = XNEW (macro_queue);
|
q = XNEW (macro_queue);
|
q->macro = xstrdup ((const char *) cpp_macro_definition (pfile, node));
|
q->macro = xstrdup ((const char *) cpp_macro_definition (pfile, node));
|
q->next = define_queue;
|
q->next = define_queue;
|
define_queue = q;
|
define_queue = q;
|
}
|
}
|
|
|
static void
|
static void
|
cb_used_undef (cpp_reader *pfile ATTRIBUTE_UNUSED,
|
cb_used_undef (cpp_reader *pfile ATTRIBUTE_UNUSED,
|
source_location line ATTRIBUTE_UNUSED,
|
source_location line ATTRIBUTE_UNUSED,
|
cpp_hashnode *node)
|
cpp_hashnode *node)
|
{
|
{
|
macro_queue *q;
|
macro_queue *q;
|
q = XNEW (macro_queue);
|
q = XNEW (macro_queue);
|
q->macro = xstrdup ((const char *) NODE_NAME (node));
|
q->macro = xstrdup ((const char *) NODE_NAME (node));
|
q->next = undef_queue;
|
q->next = undef_queue;
|
undef_queue = q;
|
undef_queue = q;
|
}
|
}
|
|
|
static void
|
static void
|
dump_queued_macros (cpp_reader *pfile ATTRIBUTE_UNUSED)
|
dump_queued_macros (cpp_reader *pfile ATTRIBUTE_UNUSED)
|
{
|
{
|
macro_queue *q;
|
macro_queue *q;
|
|
|
/* End the previous line of text. */
|
/* End the previous line of text. */
|
if (print.printed)
|
if (print.printed)
|
{
|
{
|
putc ('\n', print.outf);
|
putc ('\n', print.outf);
|
print.src_line++;
|
print.src_line++;
|
print.printed = 0;
|
print.printed = 0;
|
}
|
}
|
|
|
for (q = define_queue; q;)
|
for (q = define_queue; q;)
|
{
|
{
|
macro_queue *oq;
|
macro_queue *oq;
|
fputs ("#define ", print.outf);
|
fputs ("#define ", print.outf);
|
fputs (q->macro, print.outf);
|
fputs (q->macro, print.outf);
|
putc ('\n', print.outf);
|
putc ('\n', print.outf);
|
print.src_line++;
|
print.src_line++;
|
oq = q;
|
oq = q;
|
q = q->next;
|
q = q->next;
|
free (oq->macro);
|
free (oq->macro);
|
free (oq);
|
free (oq);
|
}
|
}
|
define_queue = NULL;
|
define_queue = NULL;
|
for (q = undef_queue; q;)
|
for (q = undef_queue; q;)
|
{
|
{
|
macro_queue *oq;
|
macro_queue *oq;
|
fprintf (print.outf, "#undef %s\n", q->macro);
|
fprintf (print.outf, "#undef %s\n", q->macro);
|
print.src_line++;
|
print.src_line++;
|
oq = q;
|
oq = q;
|
q = q->next;
|
q = q->next;
|
free (oq->macro);
|
free (oq->macro);
|
free (oq);
|
free (oq);
|
}
|
}
|
undef_queue = NULL;
|
undef_queue = NULL;
|
}
|
}
|
|
|
static void
|
static void
|
cb_include (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line,
|
cb_include (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line,
|
const unsigned char *dir, const char *header, int angle_brackets,
|
const unsigned char *dir, const char *header, int angle_brackets,
|
const cpp_token **comments)
|
const cpp_token **comments)
|
{
|
{
|
maybe_print_line (line);
|
maybe_print_line (line);
|
if (angle_brackets)
|
if (angle_brackets)
|
fprintf (print.outf, "#%s <%s>", dir, header);
|
fprintf (print.outf, "#%s <%s>", dir, header);
|
else
|
else
|
fprintf (print.outf, "#%s \"%s\"", dir, header);
|
fprintf (print.outf, "#%s \"%s\"", dir, header);
|
|
|
if (comments != NULL)
|
if (comments != NULL)
|
{
|
{
|
while (*comments != NULL)
|
while (*comments != NULL)
|
{
|
{
|
if ((*comments)->flags & PREV_WHITE)
|
if ((*comments)->flags & PREV_WHITE)
|
putc (' ', print.outf);
|
putc (' ', print.outf);
|
cpp_output_token (*comments, print.outf);
|
cpp_output_token (*comments, print.outf);
|
++comments;
|
++comments;
|
}
|
}
|
}
|
}
|
|
|
putc ('\n', print.outf);
|
putc ('\n', print.outf);
|
print.src_line++;
|
print.src_line++;
|
}
|
}
|
|
|
/* Callback called when -fworking-director and -E to emit working
|
/* Callback called when -fworking-director and -E to emit working
|
directory in cpp output file. */
|
directory in cpp output file. */
|
|
|
void
|
void
|
pp_dir_change (cpp_reader *pfile ATTRIBUTE_UNUSED, const char *dir)
|
pp_dir_change (cpp_reader *pfile ATTRIBUTE_UNUSED, const char *dir)
|
{
|
{
|
size_t to_file_len = strlen (dir);
|
size_t to_file_len = strlen (dir);
|
unsigned char *to_file_quoted =
|
unsigned char *to_file_quoted =
|
(unsigned char *) alloca (to_file_len * 4 + 1);
|
(unsigned char *) alloca (to_file_len * 4 + 1);
|
unsigned char *p;
|
unsigned char *p;
|
|
|
/* cpp_quote_string does not nul-terminate, so we have to do it ourselves. */
|
/* cpp_quote_string does not nul-terminate, so we have to do it ourselves. */
|
p = cpp_quote_string (to_file_quoted, (const unsigned char *) dir, to_file_len);
|
p = cpp_quote_string (to_file_quoted, (const unsigned char *) dir, to_file_len);
|
*p = '\0';
|
*p = '\0';
|
fprintf (print.outf, "# 1 \"%s//\"\n", to_file_quoted);
|
fprintf (print.outf, "# 1 \"%s//\"\n", to_file_quoted);
|
}
|
}
|
|
|
/* The file name, line number or system header flags have changed, as
|
/* The file name, line number or system header flags have changed, as
|
described in MAP. */
|
described in MAP. */
|
|
|
void
|
void
|
pp_file_change (const struct line_map *map)
|
pp_file_change (const struct line_map *map)
|
{
|
{
|
const char *flags = "";
|
const char *flags = "";
|
|
|
if (flag_no_line_commands)
|
if (flag_no_line_commands)
|
return;
|
return;
|
|
|
if (map != NULL)
|
if (map != NULL)
|
{
|
{
|
input_location = map->start_location;
|
input_location = map->start_location;
|
if (print.first_time)
|
if (print.first_time)
|
{
|
{
|
/* Avoid printing foo.i when the main file is foo.c. */
|
/* Avoid printing foo.i when the main file is foo.c. */
|
if (!cpp_get_options (parse_in)->preprocessed)
|
if (!cpp_get_options (parse_in)->preprocessed)
|
print_line (map->start_location, flags);
|
print_line (map->start_location, flags);
|
print.first_time = 0;
|
print.first_time = 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Bring current file to correct line when entering a new file. */
|
/* Bring current file to correct line when entering a new file. */
|
if (map->reason == LC_ENTER)
|
if (map->reason == LC_ENTER)
|
{
|
{
|
const struct line_map *from = INCLUDED_FROM (line_table, map);
|
const struct line_map *from = INCLUDED_FROM (line_table, map);
|
maybe_print_line (LAST_SOURCE_LINE_LOCATION (from));
|
maybe_print_line (LAST_SOURCE_LINE_LOCATION (from));
|
}
|
}
|
if (map->reason == LC_ENTER)
|
if (map->reason == LC_ENTER)
|
flags = " 1";
|
flags = " 1";
|
else if (map->reason == LC_LEAVE)
|
else if (map->reason == LC_LEAVE)
|
flags = " 2";
|
flags = " 2";
|
print_line (map->start_location, flags);
|
print_line (map->start_location, flags);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* Copy a #pragma directive to the preprocessed output. */
|
/* Copy a #pragma directive to the preprocessed output. */
|
static void
|
static void
|
cb_def_pragma (cpp_reader *pfile, source_location line)
|
cb_def_pragma (cpp_reader *pfile, source_location line)
|
{
|
{
|
maybe_print_line (line);
|
maybe_print_line (line);
|
fputs ("#pragma ", print.outf);
|
fputs ("#pragma ", print.outf);
|
cpp_output_line (pfile, print.outf);
|
cpp_output_line (pfile, print.outf);
|
print.src_line++;
|
print.src_line++;
|
}
|
}
|
|
|
/* Dump out the hash table. */
|
/* Dump out the hash table. */
|
static int
|
static int
|
dump_macro (cpp_reader *pfile, cpp_hashnode *node, void *v ATTRIBUTE_UNUSED)
|
dump_macro (cpp_reader *pfile, cpp_hashnode *node, void *v ATTRIBUTE_UNUSED)
|
{
|
{
|
if (node->type == NT_MACRO && !(node->flags & NODE_BUILTIN))
|
if (node->type == NT_MACRO && !(node->flags & NODE_BUILTIN))
|
{
|
{
|
fputs ("#define ", print.outf);
|
fputs ("#define ", print.outf);
|
fputs ((const char *) cpp_macro_definition (pfile, node),
|
fputs ((const char *) cpp_macro_definition (pfile, node),
|
print.outf);
|
print.outf);
|
putc ('\n', print.outf);
|
putc ('\n', print.outf);
|
print.src_line++;
|
print.src_line++;
|
}
|
}
|
|
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Load in the PCH file NAME, open on FD. It was originally searched for
|
/* Load in the PCH file NAME, open on FD. It was originally searched for
|
by ORIG_NAME. Also, print out a #include command so that the PCH
|
by ORIG_NAME. Also, print out a #include command so that the PCH
|
file can be loaded when the preprocessed output is compiled. */
|
file can be loaded when the preprocessed output is compiled. */
|
|
|
static void
|
static void
|
cb_read_pch (cpp_reader *pfile, const char *name,
|
cb_read_pch (cpp_reader *pfile, const char *name,
|
int fd, const char *orig_name ATTRIBUTE_UNUSED)
|
int fd, const char *orig_name ATTRIBUTE_UNUSED)
|
{
|
{
|
c_common_read_pch (pfile, name, fd, orig_name);
|
c_common_read_pch (pfile, name, fd, orig_name);
|
|
|
fprintf (print.outf, "#pragma GCC pch_preprocess \"%s\"\n", name);
|
fprintf (print.outf, "#pragma GCC pch_preprocess \"%s\"\n", name);
|
print.src_line++;
|
print.src_line++;
|
}
|
}
|
|
|
