xref: /netbsd-src/external/gpl3/gcc/dist/libcpp/ChangeLog (revision 4d6fc14bc9b0c5bf3e30be318c143ee82cadd108)
12021-04-08  Release Manager
2
3	* GCC 10.3.0 released.
4
52021-02-03  Nathan Sidwell  <nathan@acm.org>
6
7	PR preprocessor/95253
8	* mkdeps.c (munge): Do not escape ':'.
9
102020-10-05  Jakub Jelinek  <jakub@redhat.com>
11
12	Backported from master:
13	2020-09-26  Jakub Jelinek  <jakub@redhat.com>
14
15	PR bootstrap/97163
16	* lex.c (search_line_fast): Only use _ARCH_PWR8 Altivec version
17	for GCC >= 4.5.
18
192020-07-29  Tiziano Müller  <tiziano.mueller@chem.uzh.ch>
20
21	* init.c (builtin_array): Add xref comment.
22	* traditional.c (fun_like_macro): Add HAS_INCLUDE codes.
23
242020-07-23  Release Manager
25
26	* GCC 10.2.0 released.
27
282020-05-07  Release Manager
29
30	* GCC 10.1.0 released.
31
322020-02-14  Jakub Jelinek  <jakub@redhat.com>
33
34	Partially implement P1042R1: __VA_OPT__ wording clarifications
35	PR preprocessor/92319
36	* macro.c (expand_arg): Move declarations before vaopt_state
37	definition.
38	(class vaopt_state): Move enum update_type definition earlier.  Remove
39	m_allowed member, add m_arg and m_update members.
40	(vaopt_state::vaopt_state): Change last argument from bool any_args
41	to macro_arg *arg, initialize m_arg and m_update instead of m_allowed.
42	(vaopt_state::update): When bumping m_state from 1 to 2 and m_update
43	is ERROR, determine if __VA_ARGS__ expansion has any non-CPP_PADDING
44	tokens and set m_update to INCLUDE if it has any, DROP otherwise.
45	Return m_update instead of m_allowed ? INCLUDE : DROP in m_state >= 2.
46	(replace_args, create_iso_definition): Adjust last argument to
47	vaopt_state ctor.
48
492020-02-05  Martin Sebor  <msebor@redhat.com>
50
51	* include/cpplib.h (cpp_builtin_type): Remove trailing comma to
52	avoid pedantic warnings in C++ 98 mode.
53
542020-02-04  Jakub Jelinek  <jakub@redhat.com>
55
56	* macro.c (builtin_has_include): Diagnose __has_include* use outside
57	of preprocessing directives.
58
59	PR preprocessor/93545
60	* macro.c (cpp_get_token_no_padding): New function.
61	(builtin_has_include): Use it instead of cpp_get_token.  Don't check
62	SEEN_EOL.
63
642020-02-01  Andrew Burgess  <andrew.burgess@embecosm.com>
65
66	* configure: Regenerate.
67
682020-01-28  Nathan Sidwell  <nathan@acm.org>
69
70	PR preprocessor/93452
71	* internal.h (struct spec_nodes): Drop n__has_include{,_next}.
72	* directives.c (lex_macro_node): Don't check __has_include redef.
73	* expr.c (eval_token): Drop __has_include eval.
74	(parse_has_include): Move to ...
75	* macro.c (builtin_has_include): ... here.
76	(_cpp_builtin_macro_text): Eval __has_include{,_next}.
77	* include/cpplib.h (enum cpp_builtin_type): Add BT_HAS_INCLUDE{,_NEXT}.
78	* init.c (builtin_array): Add them.
79	(cpp_init_builtins): Drop __has_include{,_next} init here ...
80	* pch.c (cpp_read_state): ... and here.
81	* traditional.c (enum ls): Drop has_include states ...
82	(_cpp_scan_out_logical_line): ... and here.
83
842020-01-27  Andrew Burgess  <andrew.burgess@embecosm.com>
85
86	* configure: Regenerate.
87
882020-01-24  Nathan Sidwell  <nathan@acm.org>
89
90	* expr.c (parse_has_include): Remove bogus controlling macro code.
91
922020-01-20  Nathan Sidwell  <nathan@acm.org>
93
94	PR preprocessor/80005
95	* include/cpplib.h (BT_HAS_ATTRIBUTE): Fix comment.
96	* internal.h (struct lexer_state): Delete in__has_include field.
97	(struct spec_nodes): Rename n__has_include{,_next}__ fields.
98	(_cpp_defined_macro_p): New.
99	(_cpp_find_file): Add has_include parm.
100	* directives.c (lex_macro_node): Combine defined,
101	__has_inline{,_next} checking.
102	(do_ifdef, do_ifndef): Use _cpp_defined_macro_p.
103	(_cpp_init_directives): Refactor.
104	* expr.c (parse_defined): Use _cpp_defined_macro_p.
105	(eval_token): Adjust parse_has_include calls.
106	(parse_has_include): Add OP parameter.  Reimplement.
107	* files.c (_cpp_find_file): Add HAS_INCLUDE parm.  Use it to
108	inhibit error message.
109	(_cpp_stack_include): Adjust _cpp_find_file call.
110	(_cpp_fake_include, _cpp_compare_file_date): Likewise.
111	(open_file_failed): Remove in__has_include check.
112	(_cpp_has_header): Adjust _cpp_find_file call.
113	* identifiers.c (_cpp_init_hashtable): Don't init
114	__has_include{,_next} here ...
115	* init.c (cpp_init_builtins): ... init them here.  Define as
116	macros.
117	(cpp_read_main_file): Adjust _cpp_find_file call.
118	* pch.c (cpp_read_state): Adjust __has_include{,_next} access.
119	* traditional.c (_cpp_scan_out_locgical_line): Likewise.
120
121	PR preprocessor/93306
122	* expr.c (parse_has_include): Refactor.  Check skip_eval before
123	looking.
124
1252020-01-10  David Malcolm  <dmalcolm@redhat.com>
126
127	* include/line-map.h (class diagnostic_path): New forward decl.
128	(rich_location::get_path): New accessor.
129	(rich_location::set_path): New function.
130	(rich_location::m_path): New field.
131	* line-map.c (rich_location::rich_location): Initialize m_path.
132
1332020-01-01  Jakub Jelinek  <jakub@redhat.com>
134
135	Update copyright years.
136
1372019-12-18  David Malcolm  <dmalcolm@redhat.com>
138
139	PR preprocessor/92982
140	* charset.c
141	(cpp_string_location_reader::cpp_string_location_reader): Delete
142	initialization of m_line_table.
143	* include/cpplib.h (cpp_string_location_reader::m_line_table):
144	Delete unused member.
145
1462019-12-14  Jakub Jelinek  <jakub@redhat.com>
147
148	PR preprocessor/92919
149	* charset.c (wide_str_to_charconst): If str contains just the
150	NUL terminator, punt quietly.
151
1522019-12-09  David Malcolm  <dmalcolm@redhat.com>
153
154	* include/line-map.h (label_text::label_text): Make private.
155	(label_text::borrow): New.
156	(label_text::take): New.
157	(label_text::take_or_copy): New.
158
1592019-12-09  Lewis Hyatt  <lhyatt@gmail.com>
160
161	PR preprocessor/49973
162	* generated_cpp_wcwidth.h: New file generated by
163	../contrib/unicode/gen_wcwidth.py, supports new cpp_wcwidth function.
164	* charset.c (compute_next_display_width): New function to help
165	implement display columns.
166	(cpp_byte_column_to_display_column): Likewise.
167	(cpp_display_column_to_byte_column): Likewise.
168	(cpp_wcwidth): Likewise.
169	* include/cpplib.h (cpp_byte_column_to_display_column): Declare.
170	(cpp_display_column_to_byte_column): Declare.
171	(cpp_wcwidth): Declare.
172	(cpp_display_width): New function.
173
1742019-11-14  Joseph Myers  <joseph@codesourcery.com>
175
176	* charset.c (narrow_str_to_charconst): Make CPP_UTF8CHAR constants
177	unsigned for C.
178	* init.c (lang_defaults): Set utf8_char_literals for GNUC2X and
179	STDC2X.
180
1812019-11-07  Jakub Jelinek  <jakub@redhat.com>
182
183	PR c++/91370 - Implement P1041R4 and P1139R2 - Stronger Unicode reqs
184	* charset.c (narrow_str_to_charconst): Add TYPE argument.  For
185	CPP_UTF8CHAR diagnose whenever number of chars is > 1, using
186	CPP_DL_ERROR instead of CPP_DL_WARNING.
187	(wide_str_to_charconst): For CPP_CHAR16 or CPP_CHAR32, use
188	CPP_DL_ERROR instead of CPP_DL_WARNING when multiple char16_t
189	or char32_t chars are needed.
190	(cpp_interpret_charconst): Adjust narrow_str_to_charconst caller.
191
1922019-11-05  Tim van Deurzen  <tim@kompiler.org>
193
194	* cpplib.h: Add spaceship operator for C++.
195	* lex.c: Implement conditional lexing of spaceship operator for C++20.
196
1972019-10-31  Jakub Jelinek  <jakub@redhat.com>
198
199	PR preprocessor/92296
200	* internal.h (struct def_pragma_macro): Add is_builtin bitfield.
201	(_cpp_restore_special_builtin): Declare.
202	* init.c (_cpp_restore_special_builtin): New function.
203	* directives.c (do_pragma_push_macro): For NT_BUILTIN_MACRO
204	set is_builtin and don't try to grab definition.
205	(cpp_pop_definition): Use _cpp_restore_special_builtin to restore
206	builtin macros.
207
2082019-10-15  Nathan Sidwell  <nathan@acm.org>
209
210	* include/line-map.h (struct maps_info_ordinary): Make cache
211	mutable.
212	(struct maps_info_macro): Likewise.
213	(LINEMAPS_CACHE): Remove non-ref accessor. Constify ref accessor.
214	(LINEMAPS_ORDINARY_CACHE, LINEMAPS_MACRO_CACHE): Likewise.
215	(LINEMAPS_ORDINARY_MAP_AT, LINEMAPS_MACRO_MAP_AT): Use
216	LINEMAPS_USED and LINEMAPS_MAP_AT.
217	(linemap_lookup): Constify line_map arg.
218	linemap.c (linemap_ordinary_map_lookup, linemap_macro_map_lookup):
219	Constify line_map arg.
220
2212019-10-11  Joseph Myers  <joseph@codesourcery.com>
222
223	* include/cpplib.h (struct cpp_options): Add dfp_constants and
224	cpp_warn_c11_c2x_compat.
225	(enum cpp_warning_reason): Add CPP_W_C11_C2X_COMPAT.
226	* init.c (struct lang_flags): Add dfp_constants.
227	(lang_defaults): Set dfp_constants to 1 for GNUC2X and STDC2X and
228	0 for other languages.
229	(cpp_set_lang): Set dfp_constants from language.
230	(cpp_create_reader): Set cpp_warn_c11_c2x_compat to -1.
231	* expr.c (interpret_float_suffix): Mention DFP constants as C2X in
232	comment.
233	(cpp_classify_number): Do not diagnose DFP constants for languages
234	setting dfp_constants, unless cpp_warn_c11_c2x_compat.
235
2362019-10-04  Nathan Sidwell  <nathan@acm.org>
237
238	PR preprocessor/91991
239	* line-map.c (linemap_line_start): Clear max_column_hint if we run
240	out of locations.
241
2422019-10-02  Richard Biener  <rguenther@suse.de>
243
244	* internal.h (enum include_type): Remove trailing comma.
245
2462019-10-02  Joseph Myers  <joseph@codesourcery.com>
247
248	* include/cpplib.h (struct cpp_options): Add member scope.
249	* init.c (struct lang_flags, lang_defaults): Likewise.
250	(cpp_set_lang): Set scope member of pfile.
251	* lex.c (_cpp_lex_direct): Test CPP_OPTION (pfile, scope) not
252	CPP_OPTION (pfile, cplusplus) for creating CPP_SCOPE tokens.
253
2542019-09-26  Eric Botcazou  <ebotcazou@adacore.com>
255
256	* charset.c (UCS_LIMIT): New macro.
257	(ucn_valid_in_identifier): Use it instead of a hardcoded constant.
258	(_cpp_valid_ucn): Issue a pedantic warning for UCNs larger than
259	UCS_LIMIT outside of identifiers in C and in C++2a or later.
260
2612019-09-19  Lewis Hyatt  <lhyatt@gmail.com>
262
263	PR c/67224
264	* charset.c (_cpp_valid_utf8): New function to help lex UTF-8 tokens.
265	* internal.h (_cpp_valid_utf8): Declare.
266	* lex.c (forms_identifier_p): Use it to recognize UTF-8 identifiers.
267	(_cpp_lex_direct): Handle UTF-8 in identifiers and CPP_OTHER tokens.
268	Do all work in "default" case to avoid slowing down typical code paths.
269	Also handle $ and UCN in the default case for consistency.
270
2712019-08-30  Nathan Sidwell  <nathan@acm.org>
272
273	New # semantics for popping to "" name.
274	libcpp/
275	* directives.c (do_linemarker): Popping to "" name means get the
276	name from the include stack..
277
2782019-09-05  Nathan Sidwell  <nathan@acm.org>
279
280	PR preprocessor/91639
281	* directives.c (do_include_common): Tell lexer we're a #include.
282	* files.c (_cpp_stack_file): Lexer will have always incremented.
283	* internal.h (struct cpp_context): Extend in_directive's
284	semantics.
285	* lex.c (_cpp_lex_direct): Increment line for final \n when lexing
286	for an ISO #include.
287	* line-map.c (linemap_line_start): Remember if we overflowed.
288
2892019-09-03  Ulrich Weigand  <uweigand@de.ibm.com>
290
291	* directives.c: Remove references to spu from comments.
292	* expr.c: Likewise.
293
2942019-08-29  Nathan Sidwell  <nathan@acm.org>
295
296	* internal.h (enum include_type): Add IT_MAIN, IT_DIRECTIVE_HWM,
297	IT_HEADER_HWM.
298	(_cpp_stack_file): Take include_type, not a bool.
299	* files.c (_cpp_find_file): Refactor to not hide an if inside a
300	for conditional.
301	(should_stack_file): Break apart to ...
302	(is_known_idempotent_file, has_unique_contents): ... these.
303	(_cpp_stack_file): Replace IMPORT boolean with include_type enum.
304	Refactor to use new predicates.  Do linemap compensation here ...
305	(_cpp_stack_include): ... not here.
306	* init.c (cpp_read_main_file): Pass IT_MAIN to _cpp_stack_file.
307
3082019-08-28  Nathan Sidwell  <nathan@acm.org>
309
310	* directives-only.c (_cpp_preprocess_dir_only): Use false, not
311	zero for _cpp_handle_directive call.
312	* directives.c (_cpp_handle_directive): Indented is bool.
313	* files.c (struct _cpp_file): Make bools 1 bit bitfields.
314	* internal.h (enum include_type): Reformat and comment.
315	(struct cpp_buffer): Make flags 1 bit bitfields.
316	(_cpp_handle_directive): Indented is bool.
317
3182019-07-09  Martin Sebor  <msebor@redhat.com>
319
320	* include/line-map.h: Change class-key from class to struct and vice
321	versa to match convention and avoid -Wclass-is-pod and -Wstruct-no-pod.
322	* mkdeps.c: Same.
323
3242019-07-03  Martin Liska  <mliska@suse.cz>
325
326	* line-map.c (linemap_get_expansion_filename): Remove
327	dead assignemts.
328	* mkdeps.c (make_write): Likewise.
329
3302019-07-02  qing zhao  <qing.zhao@oracle.com>
331
332	PR preprocessor/90581
333	* directives.c (do_include_common): Replace CPP_STACK_MAX with
334	CPP_OPTION (pfile, max_include_depth).
335	* include/cpplib.h (struct cpp_options): Add new field
336	max_include_depth.
337	* init.c (cpp_create_reader): Initiate new field max_include_depth.
338	* internal.h: Delete CPP_STACK_MAX.
339
3402019-06-26  Nathan Sidwell  <nathan@acm.org>
341
342	PR preprocessor/90927
343	* mkdeps.c (mkdeps::vec::operator[]): Add non-const variant.
344	(deps_add_target): Deal with out of order unquoted targets.
345
3462019-05-19  Andrew Pinski  <apinski@marvell.com>
347
348	PR pch/81721
349	* lex.c (cpp_token_val_index <case SPELL_OPERATOR>): If tok->flags
350	has NAMED_OP set, then return CPP_TOKEN_FLD_NODE.
351
3522019-05-14  Martin Liska  <mliska@suse.cz>
353
354	PR preprocessor/90382
355	* line-map.c (first_map_in_common_1): Handle ADHOC
356	locations.
357
3582019-05-14  Martin Liska  <mliska@suse.cz>
359
360	PR preprocessor/90382
361	* include/line-map.h (get_data_from_adhoc_loc): Add const to
362	the first argument.
363	(get_location_from_adhoc_loc): Likewise.
364	* line-map.c(get_data_from_adhoc_loc):  Add const to
365	the first argument.
366	(get_location_from_adhoc_loc): Likewise.
367	(get_combined_adhoc_loc): Use get_location_from_adhoc_loc
368	(or get_data_from_adhoc_loc).
369	(get_range_from_adhoc_loc): Likewise.
370	(get_pure_location): Likewise.
371	(linemap_position_for_loc_and_offset): Likewise.
372	(linemap_lookup): Likewise.
373	(linemap_ordinary_map_lookup): Likewise.
374	(linemap_macro_map_lookup): Likewise.
375	(linemap_get_expansion_line): Likewise.
376	(linemap_get_expansion_filename): Likewise.
377	(linemap_location_in_system_header_p): Likewise.
378	(linemap_location_from_macro_expansion_p): Likewise.
379	(linemap_macro_loc_to_exp_point): Likewise.
380	(linemap_resolve_location): Likewise.
381	(linemap_unwind_toward_expansion): Likewise.
382	(linemap_unwind_to_first_non_reserved_loc): Likewise.
383	(linemap_expand_location): Likewise.
384	(linemap_dump_location): Likewise.
385
3862019-05-07  Nathan Sidwell  <nathan@acm.org>
387
388	* files.c (_cpp_stack_file): Empty filenames aren't dependencies.
389	* mkdeps.c (deps_add_dep): Assert not empty.
390
391	* include/mkdeps.h (deps_write): Add PHONY arg.
392	(deps_phony_targets): Delete.
393	* init.c (cpp_finish): Just call deps_write.
394	* mkdeps.c (struct mkdeps): Add local vector class.  Reimplement
395	vector handling.
396	(munge): Munge to static buffer.
397	(apply_vpath): Adjust vector handling.
398	(deps_init, deps_free): Use new, delete.
399	(deps_add_target): Do not munge here.  Record quoting low water mark.
400	(deps_add_dep): Do not munge here.
401	(deps_add_vpath): Adjust vector handling.
402	(make_write_name): New.  Munge on demand here.
403	(make_write_vec): New.
404	(deps_phony_targets): Delete.
405	(make_write): New.
406	(deps_write): Forward to deps_Write.
407	(deps_save, deps_restore): Adjust vector handling.
408
4092019-05-06  Nathan Sidwell  <nathan@acm.org>
410
411	* include/mkdeps.h: Rename struct deps to struct mkdeps.
412	* mkdeps.c: Likewise.
413	* include/cpplib.h (cpp_get_deps): Rename return type..
414	* directives.c (cpp_get_deps): Likewise.
415	* internal.h (struct cpp_reader): Rename deps field type.
416
4172019-04-03  Jonathan Wakely  <jwakely@redhat.com>
418
419	* files.c (search_path_exhausted): Fix typo in comment.
420
4212019-02-26  Martin Liska  <mliska@suse.cz>
422
423	* symtab.c (ht_dump_statistics): Make
424	horizontal alignment for statistics.
425
4262019-02-20  David Malcolm  <dmalcolm@redhat.com>
427
428	PR c/89410
429	* include/line-map.h (linenum_arith_t): New typedef.
430	(compare): Use it.
431
4322019-02-18  Martin Liska  <mliska@suse.cz>
433
434	PR c++/89383
435	* line-map.c (linemap_line_start): Use 1UL in order
436	to not overflow.
437
4382019-02-11  Martin Liska  <mliska@suse.cz>
439
440	PR lto/88147
441	* line-map.c (linemap_line_start): Don't reuse the existing line
442	map if the line offset is sufficiently large to cause overflow
443	when computing location_t values.
444
4452019-01-26  Jakub Jelinek  <jakub@redhat.com>
446
447	PR preprocessor/88974
448	* directives.c (SEEN_EOL): Move macro to ...
449	* internal.h (SEEN_EOL): ... here.
450	* expr.c (parse_has_include): Don't cpp_get_token if SEEN_EOL ().
451
4522019-01-01  Jakub Jelinek  <jakub@redhat.com>
453
454	Update copyright years.
455
4562018-11-27  Mike Gulick  <mgulick@mathworks.com>
457
458	PR preprocessor/83173
459	* location-example.txt: Update example -fdump-internal-locations
460	output.
461
4622018-11-27  Mike Gulick  <mgulick@mathworks.com>
463
464	PR preprocessor/83173
465	* files.c (_cpp_stack_include): Check if
466	line_table->highest_location is past current line before
467	decrementing.
468
4692018-11-13  David Malcolm  <dmalcolm@redhat.com>
470
471	* charset.c: Replace "source_location" with "location_t".
472	* directives-only.c: Likewise.
473	* directives.c: Likewise.
474	* errors.c: Likewise.
475	* expr.c: Likewise.
476	* files.c: Likewise.
477	* include/cpplib.h: Likewise.  Rename MAX_SOURCE_LOCATION to
478	MAX_LOCATION_T.
479	* include/line-map.h: Likewise.
480	* init.c: Likewise.
481	* internal.h: Likewise.
482	* lex.c: Likewise.
483	* line-map.c: Likewise.
484	* location-example.txt: Likewise.
485	* macro.c: Likewise.
486	* pch.c: Likewise.
487	* traditional.c: Likewise.
488
4892018-11-07  Hafiz Abid Qadeer  <abidh@codesourcery.com>
490
491        * configure: Regenerated.
492
4932018-11-05  Martin Liska  <mliska@suse.cz>
494
495	* symtab.c (ht_dump_statistics): Replace %zu with %lu format.
496
4972018-11-05  Martin Liska  <mliska@suse.cz>
498
499	* symtab.c (ht_dump_statistics): Fix format and
500	pass missing argument.
501
5022018-11-05  Martin Liska  <mliska@suse.cz>
503
504	* symtab.c (ht_dump_statistics): Make dump conditional
505	based on alloc_subobject.
506
5072018-10-31  Joseph Myers  <joseph@codesourcery.com>
508
509	PR bootstrap/82856
510	* configure.ac: Remove AC_PREREQ.  Use AC_LANG_SOURCE.
511	* aclocal.m4, config.in, configure: Regenerate.
512
5132018-10-31  Nathan Sidwell  <nathan@acm.org>
514
515	* internal.h (struct cpp_reader): Rename forced_token_location_p
516	to forced_token_location and drop its pointerness.
517	* include/cpplib.h (cpp_force_token_locations): Take location, not
518	pointer to one.
519	* init.c (cpp_create_reader): Adjust.
520	* lex.c (cpp_read_main_file):
521
522	* directives.c (do_include_common): Commonize cleanup path.
523	(_cpp_pop_buffer): Fix leak.
524
525	* include/line-map.h (IS_ORDINARY_LOC, IS_MACRO_LOC): New
526	predicates.
527	(IS_ADHOC_LOC): Move earlier.
528	(MAP_ORDINARY_P): Use IS_ORDINARY_LOC.
529	* line-map.c (linemap_location_from_macro_expansion_p): Use
530	IS_MACRO_LOC.
531
532	* include/cpplib.h (cpp_macro_definition_location): Make inline.
533	* macro.c (warn_of_redefinition): Fix comments, examine macro
534	type, use C++ for.
535	(cpp_macro_definition_location): Don't define here.
536
537	* include/cpplib.h (HT_NODE): Don't cast NODE.
538	(NODE_LEN, NODE_NAME): Use HT_NODE.
539
540	* directives.c (DIRECTIVE_TABLE): Drop historical frequency
541	comments.
542	* files.c (_cpp_stack_file): Fix indentation.
543
5442018-10-17  Joseph Myers  <joseph@codesourcery.com>
545
546	* include/cpplib.h (enum c_lang): Add CLK_GNUC2X and CLK_STDC2X.
547	* init.c (lang_defaults): Add GNUC2X and STDC2X entries.
548	(cpp_init_builtins): Define __STDC_VERSION__ to 202000L for C2X.
549
5502018-10-11  David Malcolm  <dmalcolm@redhat.com>
551
552	* macro.c (_cpp_arguments_ok): If the argument count is wrong, add
553	a note showing the definition of the macro.
554
5552018-10-11  Nathan Sidwell  <nathan@acm.org>
556
557	* include/line-map.h (LINEMAPS_MACRO_LOWEST_LOCATION): Fix
558	off-by-one error.
559	* line-map.c (linemap_enter_macro): Use RAII.  Clear all of the
560	macro_locations.
561
5622018-10-09  David Malcolm  <dmalcolm@redhat.com>
563
564	* charset.c (noop_error_cb): Rename to...
565	(noop_diagnostic_cb): ...this, converting params to enums.
566	(cpp_interpret_string_ranges): Update for renaming and enums.
567	* directives.c (check_eol_1): Convert reason to enum.
568	(do_diagnostic): Convert code and reason to enum.
569	(do_error): Use CPP_W_NONE rather than 0.
570	(do_pragma_dependency): Likewise.
571	* errors.c (cpp_diagnostic_at): Convert level and reason to enums.
572	Update for renaming.
573	(cpp_diagnostic): Convert level and reason to enums.
574	(cpp_error): Convert level to enum.
575	(cpp_warning): Convert reason to enums.
576	(cpp_pedwarning): Likewise.
577	(cpp_warning_syshdr): Likewise.
578	(cpp_diagnostic_with_line): Convert level and reason to enums.
579	Update for renaming.
580	(cpp_error_with_line): Convert level to enum.
581	(cpp_warning_with_line): Convert reason to enums.
582	(cpp_pedwarning_with_line): Likewise.
583	(cpp_warning_with_line_syshdr): Likewise.
584	(cpp_error_at): Convert level to enum.
585	(cpp_errno): Likewise.
586	(cpp_errno_filename): Likewise.
587	* include/cpplib.h (enum cpp_diagnostic_level): Name this enum,
588	and move to before struct cpp_callbacks.
589	(enum cpp_warning_reason): Likewise.
590	(cpp_callbacks::diagnostic): Convert params from int to enums.
591	(cpp_error): Convert int param to enum cpp_diagnostic_level.
592	(cpp_warning): Convert int param to enum cpp_warning_reason.
593	(cpp_pedwarning): Likewise.
594	(cpp_warning_syshdr): Likewise.
595	(cpp_errno): Convert int param to enum cpp_diagnostic_level.
596	(cpp_errno_filename): Likewise.
597	(cpp_error_with_line): Likewise.
598	(cpp_warning_with_line): Convert int param to enum
599	cpp_warning_reason.
600	(cpp_pedwarning_with_line): Likewise.
601	(cpp_warning_with_line_syshdr): Likewise.
602	(cpp_error_at): Convert int param to enum cpp_diagnostic_level.
603	* macro.c (create_iso_definition): Convert int to enum.
604	(_cpp_create_definition): Likewise.
605
6062018-09-17  David Malcolm  <dmalcolm@redhat.com>
607
608	* include/line-map.h (range_label::get_text): Add param
609	"range_idx".
610
6112018-08-30  Nathan Sidwell  <nathan@acm.org>
612
613	* include/line-map.h (enum lc_reason): Comment each member
614	separately.
615	(struct line_maps): Fix reallocator comment.
616
6172018-08-27  David Malcolm  <dmalcolm@redhat.com>
618
619	PR 87091
620	* include/line-map.h (enum range_display_kind): New enum.
621	(struct location_range): Replace field "m_show_caret_p" with
622	"m_range_display_kind", converting from bool to the new enum.
623	(class rich_location): Add example of line insertion fix-it hint.
624	(rich_location::add_range): Convert param "show_caret_p" from bool
625	to enum range_display_kind and rename to "range_display_kind",
626	giving it a default of SHOW_RANGE_WITHOUT_CARET.
627	(rich_location::set_range): Likewise, albeit without a default.
628	* line-map.c (rich_location::rich_location): Update for conversion
629	of show_caret_p to tri-state enum.
630	(rich_location::add_range): Likewise.
631	(rich_location::set_range): Likewise.
632
6332018-08-24  H.J. Lu  <hongjiu.lu@intel.com>
634
635	PR bootstrap/86872
636	* line-map.c (pure_location_p): Return true if linemap_lookup
637	returns NULL.
638	(linemap_add): Set start_location to 0 if we run out of line map
639	space.
640
6412018-08-20  Nathan Sidwell  <nathan@acm.org>
642
643	* include/cpplib.h: Fixup some whitespace.
644	(cpp_hashnode): Reduce type to 2 bit & flags to 8.
645
646	* include/cpplib.h (NODE_BUILTIN, NODE_MACRO_ARG): Delete.
647	Renumber others.
648	(enum node_type): Replace NT_MACRO with NT_USER_MACRO,
649	NT_BUILTIN_MACRO, NT_MACRO_ARG.  Delete NT_ASSERTION.
650	(NTV_MACRO, NTV_ANSWER, NTV_BUILTIN, NTV_ARGUMENT, NTV_NONE):
651	Delete.
652	(CPP_HASHNODE_VALUE_IDX): Delete.
653	(union _cpp_hashnode_value): GTY tag from enum node_type directly.
654	(struct cpp_hashnode): Adjust GTY desc for value field.
655	(cpp_user_macro_p, cpp_builtin_macro_p, cpp_macro_p): Adjust.
656	* directives.c (undefine_macros): Clear value.anwers, adjust flag
657	clearing.
658	(_cpp_test_assertion): No need to check NT_ASSERTION.
659	(do_assert, do_unassert): Likewise.
660	* init.c (cpp_init_special_builtins): Set type not flags.
661	* macro.c (struct macro_arg_saved_data): Add type field.
662	(cpp_get_token_1): Check type not NT_VOID.
663	(_cpp_free_definition): Adjust flag clearing.  Nullify
664	value.answers.
665	(_cpp_save_parameter, _cpp_unsave_parameters): Save and restore
666	type.
667	(lex_expansion_token): Check type not flags.
668	(_cpp_create_definition): Set type to NT_USER_MACRO.
669	(_cpp_notify_macro_use): Adjust type checking.
670	* pch.c (write_macdef, count_defs, write_defs, cpp_valid_state)
671	(save_macros): Adjust node type/flag handling.
672	* traditional.c (_cpp_scan_out_logical_line): Check type not flags.
673
674	* directives.c (do_undef): Use cpp_macro_p & cpp_builtin_macro_p.
675	* include/cpplib.h (enum cpp_macro_kind): Remove trailing comma.
676	(cpp_fun_like_macro_p): Make inline, define.
677	* macro.c (cpp_define_lazily): Use UCHAR_MAX.
678	(cpp_fun_like_macro_p): Delete.
679
680	* Makefile.in (TAGS_SOURCES): Remove cpp-id-data.h.
681	* include/cpp-id-data.h: Delete.
682	* internal.h: Include cpplib.h not cpp-id-data.h.
683
684	* include/cpp-id-data.h (struct answer): Delete.
685	* include/cpplib.h (struct answer): Don't forward-declare.
686	(enum cpp_macro_kind): Add cmk_assert.
687	(struct cpp_macro): Union parms and next assert chain.
688	(union _cpp_hashnode_value): 'answer' field is cpp_macro.
689	* directives.c (parse_answer): Convert to use cpp_macro. Return
690	true on success.
691	(parse_assertion, find_answer, _cpp_test_assertion, cpp_do_assert)
692	(cpp_do_unassert): Convert to use cpp_macro.
693	* macro.c (warn_of_redefinition, _cpp_new_macro)
694	(check_trad_stringification, cpp_macro_definition): Adjust macro
695	parm access.
696	* traditional.c (_cpp_replacement_text_len)
697	(_cpp_copy_replacement_text, _cpp_create_trad_definition): Likewise.
698
6992018-08-17  Nathan Sidwell  <nathan@acm.org>
700
701	* include/cpplib.h (struct cpp_callbacks): Replace
702	user_builtin_macro with user_lazy_macro.
703	(struct cpp_macro): add lazy field.
704	(enum cpp_builtin_type): Remove BT_FIRST_USER, BT_LAST_USER.
705	(cpp_define_lazily): Declare.
706	* macro.c (enter_macro_context) Use _cpp_maybe_notify_macro_use.
707	(warn_of_redefinition): Use cpp_builtin_macro_p, directly call
708	user_lazy_macro hook.
709	(_cpp_new_macro): Clear lazy field.
710	(cpp_define_lazily): Define.
711	(_cpp_notify_macro_use): Adjust lazy definition code.
712	(cpp_macro_definition): No need to do lazy definition here.
713	* pch.c (write_macdef, save_macros): Likewise.
714
715	* include/cpplib.h (enum cpp_macro_kind): New.
716	(struct cpp_macro): Make body trailing array.  Add kind field,
717	delete traditional flag.
718	* internal.h (_cpp_new_macro): Declare.
719	(_cpp_reserve_room): New inline.
720	(_cpp_commit_buf): Declare.
721	(_cpp_create_trad_definition): Return new macro.
722	* lex.c (_cpp_commit_buff): New.
723	* macro.c (macro_real_token_count): Count backwards.
724	(replace_args): Pointer equality not orderedness.
725	(_cpp_save_parameter): Use _cpp_reserve_room.
726	(alloc_expansion_token): Delete.
727	(lex_expansion_token): Return macro pointer.  Use _cpp_reserve_room.
728	(create_iso_definition): Allocate macro itself.  Adjust for
729	different allocation ordering.
730	(_cpp_new_macro): New.
731	(_cpp_create_definition): Adjust for API changes.
732	* traditional.c (push_replacement_text): Don't set traditional
733	flag.
734	(save_replacement_text): Likewise.
735	(_cpp_create_trad_definition): Allocate macro itself, Adjust for
736	different allocation ordering.
737
738	* cpp-id-data.h (uchar, UC): Move to internal.h
739	(struct cpp_macro): Move to cpplib.h.
740	* internal.h (uchar, UC): From cpp-id-data.h.
741	* include/cpplib.h (struct cpp_macro): From cpp-id-data.h.
742
7432018-08-16  Nathan Sidwell  <nathan@acm.org>
744
745	* internal.h (_cpp_save_parameter): Take parmno, not macro.
746	(_cpp_unsave_parameters): Declare.
747	* macro.c (_cpp_save_parameter): Take parm number, not macro.
748	Return true on success.
749	(_cpp_unsave_parameters): New.
750	(parse_params): Take parm_no and variadic pointers, not macro.
751	Reimplement parsing logic.
752	(create_iso_definition): Adjust parse_params changes.  Call
753	_cpp_unsave_parameters here.
754	(_cpp_create_definition): Don't unsave params here.
755	* traditional.c (scan_parameters): Take n_param pointer, adjust.
756	(_cpp_create_trad_definition): Ajust scan_parameters change.  Call
757	_cpp_unsave_parameters.
758
759	* include/cpplib.h (cpp_user_macro_p, cpp_builtin_macro_p)
760	(cpp_macro_p): New inlines.
761	* directives.c (do_pragma_poison): Use cpp_macro_p.
762	(do_ifdef, do_ifndef): Likewise.  Use _cpp_maybe_notify_macro_use.
763	(cpp_pop_definition): Use cpp_macro_p.  Move _cpp_free_definition
764	earlier.  Don't zap node directly.
765	* expr.c (parse_defined): Use _cpp_maybe_notify_macro_use &
766	cpp_macro_p.
767	* files.c (should_stack_file): Use cpp_macro_p.
768	* identifiers.c (cpp_defined): Likewise.
769	* internal.h (_cpp_mark_macro): Use cpp_user_macro_p.
770	(_cpp_notify_macro_use): Declare.
771	(_cpp_maybe_notify_macro_use): New inline.
772	* lex.c (is_macro): Use cpp_macro_p.
773	* macro.c (_cpp_warn_if_unused_macro): Use cpp_user_macro_p.
774	(enter_macro_context): Likewise.
775	(_cpp_create_definition): Use cpp_builtin_macro_p,
776	cpp_user_macro_p.  Move _cpp_free_definition earlier.
777	(_cpp_notify_macro_use): New, broken out of multiple call sites.
778	* traditional.c (fun_like_macro_p): Use cpp_builtin_macro_p.
779	(maybe_start_funlike, _cpp_scan_out_logical_line)
780	(push_replacement_text): Likewise.
781
7822018-08-15  David Malcolm  <dmalcolm@redhat.com>
783
784	* include/line-map.h (struct location_range): Add "m_label" field.
785	(class rich_location): Add description of labels to leading
786	comment.
787	(rich_location::rich_location): Add "label" param, defaulting to
788	NULL.
789	(rich_location::add_range): Likewise.
790	(struct label_text): New struct.
791	(class range_label): New abstract base class.
792	* line-map.c (rich_location::rich_location): Add "label" param;
793	use it.
794	(rich_location::add_range): Likewise.
795
7962018-08-08  Nathan Sidwell  <nathan@acm.org>
797
798	Make linemap::included_from a location
799	libcpp/
800	* include/line-map.h (struct line_map_ordinary): Replace
801	included_from map index with included_at source_location.
802	(ORDINARY_MAP_INCLUDER_FILE_INDEX): Delete.
803	(LAST_SOURCE_LINE_LOCATION): Delete.
804	(LAST_SOURCE_LINE, LAST_SOURCE_COLUMN): Delete.
805	(linemap_included_from): New.
806	(linemap_included_from_linemap): Declare.
807	(MAIN_FILE_P): Adjust.
808	* line-map.c (linemap_included_from_linemap): New.
809	(lonemap_check_files_exited): Use linemap_included_at.
810	(linemap_add): Adjust inclusion setting.
811	(linemap_dump, linemap_dump_location): Adjust.
812	* directives.c (do_linemarker): Use linemap_included_at.
813
8142018-08-07  Nathan Sidwell  <nathan@acm.org>
815
816	* line-map.c: (linemap_init): Set default allocator here.
817	(new_linemap): Rather than here.  Refactor allocation logic.
818
8192018-07-20  David Malcolm  <dmalcolm@redhat.com>
820
821	* include/line-map.h (rich_location::set_range): Remove redundant
822	line_maps * parameter.
823	* line-map.c (rich_location::set_range): Likewise.
824
8252018-07-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
826
827	PR 69558
828	* macro.c (enter_macro_context): Change the location info for builtin
829	macros and _Pragma from location of the closing parenthesis to location
830	of the macro expansion point.
831
8322018-07-17  Jason Franklin  <j_fra@fastmail.us>
833	    Jakub Jelinek  <jakub@redhat.com>
834
835	* lex.c (_cpp_lex_direct): Use CPP_DL_NOTE instead of CPP_DL_PEDWARN,
836	CPP_DL_WARNING or CPP_DL_ERROR for note that diagnostics for C++ style
837	comments is reported only once per file and guard those calls on the
838	preceding cpp_error returning true.
839
8402018-07-03  Nathan Sidwell  <nathan@acm.org>
841
842	Reorg line_map data structures for better packing.
843	* include/line-map.h (enum lc_reason): Add LC_HWM.
844	(LINE_MAP_MAX_LOCATION): Define here.
845	(struct line_map): Move reason field to line_map_ordinary.  Adjust
846	GTY tagging.
847	(struct line_map_ordinary): Reorder fields for less padding.
848	(struct line_map_macro): Likewise.
849	(MAP_ORDINARY_P): New.
850	(linemap_check_ordinary, linemap_check_macro): Adjust.
851	* line-map.c (LINE_MAP_MAX_SOURCE_LOCATION): Delete.
852	(new_linemap): Take start_location, not reason.  Adjust.
853	(linemap_add, linemap_enter_macro): Adjust.
854	(linemap_line_start): Likewise.
855	(linemap_macro_expansion_map_p): Use MAP_ORDINARY_P.
856	(linemap_macro_loc_to_spelling_point): Likewise.
857	(linemap_macro_loc_to_def_point): Likewise.
858	(linemap_dump): Likewise.
859
8602018-05-23  Jason Merrill  <jason@redhat.com>
861
862	* system.h: #include <new> earlier.
863
8642018-05-17  Jason Merrill  <jason@redhat.com>
865
866	* line-map.c (linemap_init): Use placement new.
867	* system.h: #include <new>.
868
8692018-03-14  David Malcolm  <dmalcolm@redhat.com>
870
871	* include/line-map.h (compare): New function on linenum_type.
872
8732018-02-28  Jonathan Wakely  <jwakely@redhat.com>
874
875	PR preprocessor/84517
876	* lex.c (is_macro_not_literal_suffix): New function.
877	(lex_raw_string, lex_string): Use is_macro_not_literal_suffix to
878	decide when to issue -Wliteral-suffix warnings.
879
8802018-02-16  Richard Biener  <rguenther@suse.de>
881
882	PR bootstrap/82939
883	* line-map.c (linemap_init): Avoid broken value-init when compiling
884	with GCC 4.2.
885
8862018-02-15  Jason Merrill  <jason@redhat.com>
887	    Jakub Jelinek  <jakub@redhat.com>
888
889	PR preprocessor/83063 - __VA_OPT__ and ##
890	PR preprocessor/83708
891	* macro.c (vaopt_state): Reorder m_last_was_paste before m_state.
892	(vaopt_state::vaopt_state): Adjust.
893	(vaopt_state::update_flags): Add BEGIN and END.
894	(vaopt_state::update): Return them.
895	(copy_paste_flag): Factor out of replace_args.
896	(last_token_is): New.
897	(replace_args): Handle BEGIN and END.  Avoid padding there.
898	(tokens_buff_last_token_ptr): Return NULL if no tokens.
899
9002018-01-31  Jakub Jelinek  <jakub@redhat.com>
901
902	PR preprocessor/69869
903	* traditional.c (skip_macro_block_comment): Return bool, true if
904	the macro block comment is unterminated.
905	(copy_comment): Use return value from skip_macro_block_comment instead
906	of always false.
907
9082018-01-27  Jakub Jelinek  <jakub@redhat.com>
909
910	* include/cpplib.h (enum cpp_builtin_type): Change BT_LAST_USER from
911	BT_FIRST_USER + 31 to BT_FIRST_USER + 63.
912
9132018-01-18  Boris Kolpackov  <boris@codesynthesis.com>
914
915	PR other/70268
916	* include/cpplib.h (cpp_callbacks::remap_filename): New callback.
917	* macro.c (_cpp_builtin_macro_text): Call remap_filename for
918	__FILE__ and __BASE_FILE__.
919
9202018-01-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
921
922	* lex.c (search_line_fast): Remove illegal coercion of an
923	unaligned pointer value to vector pointer type and replace with
924	use of __builtin_vec_vsx_ld () built-in function, which operates
925	on unaligned pointer values.
926
9272018-01-03  Jakub Jelinek  <jakub@redhat.com>
928
929	Update copyright years.
930
9312017-12-20  Michael Weiser  <michael.weiser@gmx.de>
932
933	PR preprocessor/83492
934	* lex.c (search_line_fast) [__ARM_NEON && __ARM_64BIT_STATE]:
935	Fix selection of big-endian shift parameters by using
936	__ARM_BIG_ENDIAN.
937
9382017-12-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>
939
940	* internal.h (maybe_print_line): Change signature.
941
9422017-12-05  Jakub Jelinek  <jakub@redhat.com>
943
944	PR c++/79228
945	* expr.c (interpret_float_suffix): Avoid memcmp.
946	(interpret_int_suffix): Likewise.  Don't check for if.
947
9482017-12-01  Jason Merrill  <jason@redhat.com>
949
950	PR c++/79228 - extensions hide C++14 complex literal operators
951	* expr.c (interpret_float_suffix): Ignore 'i' in C++14 and up.
952	(interpret_int_suffix): Likewise.
953
9542017-11-28  David Malcolm  <dmalcolm@redhat.com>
955
956	PR c/82050
957	* include/line-map.h (LINE_MAP_MAX_COLUMN_NUMBER): Move here.
958	* line-map.c (LINE_MAP_MAX_COLUMN_NUMBER): ...from here.
959	(rich_location::maybe_add_fixit): Reject fix-it hints in which
960	the start column exceeds the next column.
961
9622017-11-20  Eric Gallager  <egall@gwmail.gwu.edu>
963
964	PR preprocessor/81794
965	* macro.c (check_trad_stringification): Have warning be controlled
966	by -Wtraditional.
967
9682017-11-20  David Malcolm  <dmalcolm@redhat.com>
969
970	PR c++/72786
971	* include/cpplib.h (cpp_macro_definition_location): New decl.
972	* macro.c (cpp_macro_definition): New function.
973
9742017-11-13  Tom Tromey  <tom@tromey.com>
975
976	* pch.c (cpp_read_state): Set n__VA_OPT__.
977	* macro.c (vaopt_state): New class.
978	(_cpp_arguments_ok): Check va_opt flag.
979	(replace_args, create_iso_definition): Use vaopt_state.
980	* lex.c (lex_identifier_intern): Possibly issue errors for
981	__VA_OPT__.
982	(lex_identifier): Likewise.
983	(maybe_va_opt_error): New function.
984	* internal.h (struct lexer_state) <va_args_ok>: Update comment.
985	(struct spec_nodes) <n__VA_OPT__>: New field.
986	* init.c (struct lang_flags) <va_opt>: New field.
987	(lang_defaults): Add entries for C++2A.  Update all entries for
988	va_opt.
989	(cpp_set_lang): Initialize va_opt.
990	* include/cpplib.h (struct cpp_options) <va_opt>: New field.
991	* identifiers.c (_cpp_init_hashtable): Initialize n__VA_OPT__.
992
9932017-11-13  David Malcolm  <dmalcolm@redhat.com>
994
995	* include/line-map.h (linenum_type): Move this typedef and the
996	comment describing column numbering to near the top of the file.
997
9982017-11-06  Mukesh Kapoor  <mukesh.kapoor@oracle.com>
999
1000	PR c++/80955
1001	* lex.c (lex_string): When checking for a valid macro for the
1002	warning related to -Wliteral-suffix (CPP_W_LITERAL_SUFFIX),
1003	check that the macro name does not start with an underscore
1004	before calling is_macro().
1005
10062017-11-05  Tom de Vries  <tom@codesourcery.com>
1007
1008	PR other/82784
1009	* lex.c (BUF_APPEND): Remove semicolon after
1010	"do {} while (0)".
1011
10122017-10-31  David Malcolm  <dmalcolm@redhat.com>
1013
1014	* directives.c (_cpp_handle_directive): Update for renaming of
1015	cpp_error_at_richloc to cpp_error_at.
1016	* errors.c (cpp_diagnostic_at_richloc): Rename to...
1017	(cpp_diagnostic_at): ...this, dropping the location_t-based
1018	implementation.
1019	(cpp_diagnostic): Update for removal of location_t-based
1020	cpp_diagnostic_at.
1021	(cpp_error_at): Likewise.
1022	(cpp_error_at_richloc): Rename to...
1023	(cpp_error_at): ...this, and update for renaming of
1024	cpp_diagnostic_at_richloc.
1025	* include/cpplib.h (cpp_error_at_richloc): Rename to...
1026	(cpp_error_at): ...this.
1027
10282017-10-30  Joseph Myers  <joseph@codesourcery.com>
1029
1030	* include/cpplib.h (enum c_lang): Add CLK_GNUC17 and CLK_STDC17.
1031	* init.c (lang_defaults): Add GNUC17 and STDC17 data.
1032	(cpp_init_builtins): Handle C17 value of __STDC_VERSION__.
1033
10342017-10-10  Nathan Sidwell  <nathan@acm.org>
1035
1036	PR preprocessor/82506
1037	* macro.c (cpp_quote_string): Escape raw LFs.
1038
10392017-09-15  Andrew Sutton  <andrew.n.sutton@gmail.com>
1040	    Jakub Jelinek  <jakub@redhat.com>
1041
1042	Add support for -std=c++2a.
1043	* include/cpplib.h (c_lang): Add CXX2A and GNUCXX2A.
1044	* init.c (lang_defaults): Add rows for CXX2A and GNUCXX2A.
1045	(cpp_init_builtins): Set __cplusplus to 201709L for C++2a.
1046
10472017-09-15  Jakub Jelinek  <jakub@redhat.com>
1048
1049	* include/cpplib.h (enum c_lang): Rename CLK_GNUCXX1Z
1050	to CLK_GNUCXX17 and CLK_CXX1Z to CLK_CXX17.
1051	* init.c (lang_defaults, cpp_init_builtins): Likewise.
1052	* expr.c (cpp_classify_number): Use C++17 instead of C++1z
1053	in diagnostics.
1054
10552017-07-07  David Malcolm  <dmalcolm@redhat.com>
1056
1057	PR c++/79300
1058	* line-map.c (linemap_macro_loc_to_def_point): Preserve range
1059	information for macro expansions by delaying resolving ad-hoc
1060	locations until within the loop.
1061
10622017-07-06  David Malcolm  <dmalcolm@redhat.com>
1063
1064	PR c++/79300
1065	* include/line-map.h (enum location_aspect): New enum.
1066	(linemap_client_expand_location_to_spelling_point): Add
1067	enum location_aspect param.
1068	* line-map.c (rich_location::get_expanded_location): Update for
1069	new param of linemap_client_expand_location_to_spelling_point.
1070	(rich_location::maybe_add_fixit): Likewise.
1071	(fixit_hint::affects_line_p): Likewise.
1072
10732017-06-21  Jakub Jelinek  <jakub@redhat.com>
1074
1075	* line-map.c (location_adhoc_data_update): Perform addition in
1076	uintptr_t type rather than char * type.  Read *data using
1077	ptrdiff_t type instead of int64_t.
1078	(get_combined_adhoc_loc): Change offset type to ptrdiff_t from
1079	int64_t.
1080
10812017-06-20  David Malcolm  <dmalcolm@redhat.com>
1082
1083	* include/line-map.h (class rich_location): Document that attempts
1084	to delete or replace a range *affecting* multiple lines will fail.
1085	* line-map.c (rich_location::maybe_add_fixit): Implement this
1086	restriction.
1087
10882017-06-09  David Malcolm  <dmalcolm@redhat.com>
1089
1090	* include/line-map.h
1091	(rich_location::fixits_cannot_be_auto_applied): New method.
1092	(rich_location::fixits_can_be_auto_applied_p): New accessor.
1093	(rich_location::m_fixits_cannot_be_auto_applied): New field.
1094	* line-map.c (rich_location::rich_location): Initialize new field.
1095
10962017-06-05  David Malcolm  <dmalcolm@redhat.com>
1097
1098	* include/cpplib.h (struct cpp_callbacks): Add "comment"
1099	callback.
1100	* lex.c (_cpp_lex_direct): Call the comment callback if non-NULL.
1101
11022017-05-02  David Malcolm  <dmalcolm@redhat.com>
1103
1104	* include/line-map.h (class rich_location): Update description of
1105	newline handling.
1106	(class fixit_hint): Likewise.
1107	(fixit_hint::ends_with_newline_p): New decl.
1108	* line-map.c (rich_location::maybe_add_fixit): Support newlines
1109	in fix-it hints that are insertions of single lines at the start
1110	of a line.  Don't consolidate into such fix-it hints.
1111	(fixit_hint::ends_with_newline_p): New method.
1112
11132017-05-01  David Malcolm  <dmalcolm@redhat.com>
1114
1115	* include/line-map.h (source_range::intersects_line_p): Delete.
1116	(rich_location::add_fixit): Delete.
1117	(rich_location::maybe_add_fixit): New method.
1118	(class fixit_hint): Reimplement in terms of...
1119	(class fixit_replace): ...this.
1120	(class fixit_insert): Delete.
1121	* line-map.c (linemap_position_for_loc_and_offset): Drop overzealous
1122	linemap_assert_fails.
1123	(source_range::intersects_line_p): Rename to...
1124	(fixit_hint::affects_line_p): New function.
1125	(rich_location::add_fixit_insert_before): Reimplement in terms of
1126	maybe_add_fixit, moving validation there.
1127	(rich_location::add_fixit_insert_after): Likewise.
1128	(column_before_p): Delete.
1129	(rich_location::add_fixit_replace): Reimplement in terms of
1130	maybe_add_fixit, moving validation there.  Convert closed input range
1131	to half-open range.
1132	(rich_location::add_fixit): Delete.
1133	(rich_location::maybe_add_fixit): New function.
1134	(fixit_insert::fixit_insert): Delete.
1135	(fixit_insert::~fixit_insert): Delete.
1136	(fixit_insert::affects_line_p): Delete.
1137	(fixit_insert::maybe_append_replace): Delete.
1138	(fixit_replace::fixit_replace): Rename to...
1139	(fixit_hint::fixit_hint): ...this, rewriting as necessary.
1140	(fixit_replace::~fixit_replace): Delete.
1141	(fixit_replace::affects_line_p): Delete.
1142	(fixit_replace::maybe_append_replace): Rename to...
1143	(fixit_hint::maybe_append): ...this, rewriting as necessary.
1144
11452017-04-03  Jonathan Wakely  <jwakely@redhat.com>
1146
1147	* include/line-map.h (LINEMAPS_MACRO_MAPS): Fix typo in comment.
1148	* lex.c (search_line_fast): Likewise.
1149	* pch.h (cpp_valid_state): Likewise.
1150
11512017-03-21  Andreas Schwab  <schwab@suse.de>
1152
1153	* lex.c (search_line_fast) [__ARM_NEON && __ARM_64BIT_STATE]:
1154	Convert 64-bit value to boolean before passing to
1155	__builtin_expect.
1156
11572017-03-16  Jason Merrill  <jason@redhat.com>
1158
1159	* init.c (cpp_init_builtins): Update __cplusplus for C++17.
1160
11612017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
1162
1163	* Makefile.in (po/$(PACKAGE).pot): Adjust bug reporting URL.
1164
11652017-01-10  David Malcolm  <dmalcolm@redhat.com>
1166
1167	PR c++/77949
1168	* line-map.c (linemap_position_for_column): When calling
1169	linemap_start_line, detect if a new linemap was created with
1170	0 column bits, and bail out early if this is the case.
1171	(linemap_position_for_loc_and_offset): Replace overzealous
1172	linemap_assert_fails with a simple conditional; use correct
1173	bit count.
1174
11752017-01-07  David Malcolm  <dmalcolm@redhat.com>
1176
1177	PR c++/72803
1178	* line-map.c (linemap_line_start): When determining if the highest
1179	column given out so far will fit into a proposed change to the
1180	current map, use the effective number of column bits, rather than
1181	the total number of column + range bits.
1182
11832017-01-01  Jakub Jelinek  <jakub@redhat.com>
1184
1185	Update copyright years.
1186
11872016-12-15  David Malcolm  <dmalcolm@redhat.com>
1188
1189	PR preprocessor/78680
1190	PR preprocessor/78811
1191	* lex.c (_cpp_lex_direct): Only determine the end-location of
1192	the token and build a range for non-reserved start locations.
1193	Do not do it for EOF tokens.
1194
11952016-12-12  David Malcolm  <dmalcolm@redhat.com>
1196
1197	PR preprocessor/78680
1198	* lex.c (_cpp_lex_direct): Ensure line notes are processed before
1199	computing the end-point of the token.
1200
12012016-11-23  Paolo Bonzini  <bonzini@gnu.org>
1202
1203	* include/cpplib.h (struct cpp_options): Add new member
1204	warn_expansion_to_defined.
1205	(CPP_W_EXPANSION_TO_DEFINED): New enum member.
1206	* expr.c (parse_defined): Warn for all uses of "defined"
1207	in macros, and tie warning to CPP_W_EXPANSION_TO_DEFINED.
1208	Make it a pedwarning instead of a warning.
1209	* system.h (HAVE_DESIGNATED_INITIALIZERS): Do not use
1210	"defined" in macros.
1211
12122016-11-17  David Malcolm  <dmalcolm@redhat.com>
1213
1214	* charset.c (cpp_interpret_string_1): Skip locations from
1215	loc_reader when advancing 'p' when handling raw strings.
1216
12172016-11-16  Jakub Jelinek  <jakub@redhat.com>
1218
1219	PR bootstrap/72823
1220	* configure.ac (ENABLE_ASSERT_CHECKING): Define if gcc configure
1221	would define that macro.
1222	* configure: Regenerated.
1223	* config.in: Regenerated.
1224
12252016-11-08  Richard Earnshaw  <rearnsha@arm.com>
1226
1227	* lex.c (search_line_fast): New implementation for AArch64.
1228
12292016-10-25  David Malcolm  <dmalcolm@redhat.com>
1230
1231	* files.c (destroy_cpp_file): Free file->path.
1232
12332016-10-25  David Malcolm  <dmalcolm@redhat.com>
1234
1235	* include/line-map.h (line_maps::~line_maps): New dtor.
1236	(location_adhoc_data_fini): Delete decl.
1237	* line-map.c (line_maps::~line_maps): New dtor.
1238	(location_adhoc_data_fini): Delete.
1239
12402016-10-21  Andris Pavenis  <andris.pavenis@iki.fi>
1241
1242	PR preprocessor/71681
1243	* files.c (remap_filename): Fix handling -remap in subdirectories.
1244
12452016-10-12  Jakub Jelinek  <jakub@redhat.com>
1246
1247	* include/cpplib.h (struct cpp_options): Add
1248	cpp_warn_implicit_fallthrough.
1249	* init.c (cpp_create_reader): Initialize it to 0.
1250	* lex.c (fallthrough_comment_p): Handle different
1251	cpp_warn_implicit_fallthrough levels.  Whitespace fixes.
1252
12532016-10-08  Jakub Jelinek  <jakub@redhat.com>
1254
1255	* lex.c (fallthrough_comment_p): Accept Else, fallthrough.
1256
1257	* lex.c (fallthrough_comment_p): Extend to handle more common FALLTHRU
1258	comment styles.
1259
1260	* lex.c (fallthrough_comment_p): Fix off-by-one size comparison
1261	errors, cleanup.
1262	(_cpp_lex_direct): Allow arbitrary comments in between
1263	fallthrough_comment_p comment and following token.
1264
12652016-10-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1266
1267	PR target/77847
1268	* lex.c (search_line_fast): Add a FALLTHROUGH comment to correct
1269	compiler error in the version of this function that is
1270	conditionally compiled when GCC_VERSION >= 4005 and both
1271	__ALTIVEC__ and __BIG_ENDIAN__ symbols are defined.
1272
12732016-09-26  Marek Polacek  <polacek@redhat.com>
1274	    Jakub Jelinek  <jakub@redhat.com>
1275
1276	PR c/7652
1277	* include/cpplib.h (PREV_FALLTHROUGH): Define.
1278	* internal.h (CPP_FALLTHRU): Define.
1279	* lex.c (fallthrough_comment_p): New function.
1280	(_cpp_lex_direct): Set PREV_FALLTHROUGH on tokens succeeding a falls
1281	through comment.
1282
12832016-09-23  David Malcolm  <dmalcolm@redhat.com>
1284
1285	PR preprocessor/77672
1286	* charset.c (cpp_interpret_string_1): Add a source_range for the
1287	NUL-terminator, using the location of the trailing quote of the
1288	final string.
1289
12902016-09-21  Jason Merrill  <jason@redhat.com>
1291
1292	* line-map.c (linemap_location_from_macro_definition_p): New.
1293	* line-map.h: Declare it.
1294
12952016-09-15  David Malcolm  <dmalcolm@redhat.com>
1296
1297	* include/line-map.h (class rich_location): Note that newlines
1298	aren't supported in fix-it text.
1299	* line-map.c (rich_location::add_fixit_insert_before): Reject
1300	attempts to add fix-its containing newlines.
1301	(rich_location::add_fixit_replace): Likewise.
1302
13032016-09-13  David Malcolm  <dmalcolm@redhat.com>
1304
1305	* include/line-map.h (class rich_location): Add description of
1306	fix-it hints to leading comment.
1307	(rich_location::add_fixit_insert): Rename both overloaded methods
1308	to..
1309	(rich_location::add_fixit_insert_before): ...this, updating their
1310	comments.
1311	(rich_location::add_fixit_insert_after): Two new overloaded
1312	methods.
1313	(rich_location::stop_supporting_fixits): New method.
1314	* line-map.c (rich_location::add_fixit_insert): Rename both
1315	overloaded methods to..
1316	(rich_location::add_fixit_insert_before): ...this, updating their
1317	comments.
1318	(rich_location::add_fixit_insert_after): Two new methods.
1319	(rich_location::reject_impossible_fixit): Split out
1320	failure-handling into...
1321	(rich_location::stop_supporting_fixits): New method.
1322
13232016-09-02  David Malcolm  <dmalcolm@redhat.com>
1324
1325	* include/line-map.h (rich_location::seen_impossible_fixit_p): New
1326	accessor.
1327
13282016-08-31  David Malcolm  <dmalcolm@redhat.com>
1329
1330	* include/line-map.h (class fixit_remove): Remove stray decl.
1331	(fixit_hint::affects_line_p): Make const.
1332	(fixit_insert::affects_line_p): Likewise.
1333	(fixit_replace::affects_line_p): Likewise.
1334	* line-map.c (fixit_insert::affects_line_p): Likewise.
1335	(fixit_replace::affects_line_p): Likewise.
1336
13372016-08-30  David Malcolm  <dmalcolm@redhat.com>
1338
1339	* include/line-map.h (class semi_embedded_vec): New class.
1340	(semi_embedded_vec<T, NUM_EMBEDDED>::semi_embedded_vec): New ctor.
1341	(semi_embedded_vec<T, NUM_EMBEDDED>::~semi_embedded_vec): New
1342	dtor.
1343	(semi_embedded_vec<T, NUM_EMBEDDED>::operator[]): New methods.
1344	(semi_embedded_vec<T, NUM_EMBEDDED>::push): New method.
1345	(semi_embedded_vec<T, NUM_EMBEDDED>::truncate): New method.
1346	(rich_location::get_num_locations): Reimplement in terms of
1347	m_ranges.
1348	(rich_location::get_range): Make non-inline.
1349	(rich_location::get_num_fixit_hints): Reimplement in terms of
1350	m_fixit_hints.
1351	(rich_location::add_fixit): New function.
1352	(rich_location::MAX_RANGES): Rename to...
1353	(rich_location::STATICALLY_ALLOCATED_RANGES): ...this.
1354	(rich_location::MAX_FIXIT_HINTS): Rename to...
1355	(rich_location::STATICALLY_ALLOCATED_RANGES): ...this, and make
1356	private.
1357	(rich_location::m_num_ranges): Eliminate in favor of...
1358	(rich_location::m_ranges): ...this, converting from a fixed-size
1359	array to a semi_embedded_vec.
1360	(rich_location::m_num_fixit_hints): Eliminate in favor of...
1361	(rich_location::m_fixit_hints): ...this, converting from a
1362	fixed-size array to a semi_embedded_vec.
1363	* line-map.c (rich_location::rich_location): Update for above
1364	changes.
1365	(rich_location::~rich_location): Likewise.
1366	(rich_location::get_loc): Likewise.
1367	(rich_location::get_range): New methods.
1368	(rich_location::add_range): Update for above changes.
1369	(rich_location::set_range): Likewise.
1370	(rich_location::add_fixit_insert): Likewise.
1371	(rich_location::add_fixit_replace): Likewise.
1372	(rich_location::get_last_fixit_hint): Likewise.
1373	(rich_location::reject_impossible_fixit): Likewise.
1374	(rich_location::add_fixit): New method.
1375
13762016-08-30  David Malcolm  <dmalcolm@redhat.com>
1377
1378	* include/line-map.h (rich_location::add_fixit_insert): Add
1379	comments.  Add overload omitting the source_location param.
1380	(rich_location::add_fixit_remove): Add comments.  Add overloads
1381	omitting the range, and accepting a source_location.
1382	(rich_location::add_fixit_replace): Likewise.
1383	* line-map.c (rich_location::add_fixit_insert): Add comments.  Add
1384	overload omitting the source_location param.
1385	(rich_location::add_fixit_remove): Add comments.  Add overloads
1386	omitting the range, and accepting a source_location.
1387	(rich_location::add_fixit_replace): Likewise.
1388
13892016-08-26  David Malcolm  <dmalcolm@redhat.com>
1390
1391	* include/line-map.h (get_pure_location): New decl.
1392	* line-map.c (get_pure_location): Move here, from gcc/input.c, adding
1393	a line_maps * param.
1394	(rich_location::add_fixit_insert): Call get_pure_location on "where".
1395	(rich_location::add_fixit_replace): Call get_pure_location on the
1396	end-points.
1397
13982016-08-26  David Malcolm  <dmalcolm@redhat.com>
1399
1400	* include/line-map.h (rich_location): Eliminate unimplemented
1401	constructor based on source_range.
1402	(rich_location::get_last_fixit_hint): New method.
1403	(rich_location::reject_impossible_fixit): New method.
1404	(rich_location): Add fields m_line_table and
1405	m_seen_impossible_fixit.
1406	(fixit_hint::maybe_append_replace): New pure virtual function.
1407	(fixit_insert::maybe_append_replace): New function.
1408	(fixit_replace::maybe_append_replace): New function.
1409	* line-map.c (rich_location::rich_location): Initialize
1410	m_line_table and m_seen_impossible_fixit.
1411	(rich_location::add_fixit_insert): Call
1412	reject_impossible_fixit and bail out if true.
1413	(column_before_p): New function.
1414	(rich_location::add_fixit_replace): Call reject_impossible_fixit
1415	and bail out if true.  Attempt to consolidate with neighboring
1416	fixits.
1417	(rich_location::get_last_fixit_hint): New method.
1418	(rich_location::reject_impossible_fixit): New method.
1419	(fixit_insert::maybe_append_replace): New method.
1420	(fixit_replace::maybe_append_replace): New method.
1421
14222016-08-23  David Malcolm  <dmalcolm@redhat.com>
1423
1424	* include/line-map.h (source_range::from_locations): New method.
1425
14262016-08-19  David Malcolm  <dmalcolm@redhat.com>
1427
1428	* include/line-map.h (fixit_hint::kind): Delete REPLACE.
1429	(class fixit_remove): Delete.
1430	* line-map.c (rich_location::add_fixit_remove): Reimplement
1431	by calling add_fixit_replace with an empty string.
1432	(fixit_remove::fixit_remove): Delete.
1433	(fixit_remove::affects_line_p): Delete.
1434
14352016-08-19  Joseph Myers  <joseph@codesourcery.com>
1436
1437	PR c/32187
1438	* include/cpplib.h (CPP_N_FLOATN, CPP_N_FLOATNX)
1439	(CPP_N_WIDTH_FLOATN_NX, CPP_FLOATN_SHIFT, CPP_FLOATN_MAX): New
1440	macros.
1441	* expr.c (interpret_float_suffix): Handle fN, fNx, FN and FNx
1442	suffixes.
1443
14442016-08-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1445
1446	* expr.c (eval_token): Append "evaluates to 0" to Wundef diagnostic.
1447
14482016-08-18  David Malcolm  <dmalcolm@redhat.com>
1449
1450	* directives.c (directive_names): New array.
1451	(_cpp_handle_directive): Offer spelling suggestions for misspelled
1452	directives.
1453	* errors.c (cpp_diagnostic_at_richloc): New function.
1454	(cpp_error_at_richloc): New function.
1455	* include/cpplib.h (struct cpp_callbacks): Add field
1456	"get_suggestion".
1457	(cpp_error_at_richloc): New decl.
1458
14592016-08-18  Marek Polacek  <polacek@redhat.com>
1460
1461	PR c/7652
1462	* pch.c (write_macdef): Add CPP_FALLTHRU.
1463
14642016-08-12  Marek Polacek  <polacek@redhat.com>
1465
1466	PR c/7652
1467	* lex.c (search_line_fast): Add FALLTHRU.
1468	(_cpp_lex_direct): Likewise.
1469	(cpp_token_val_index): Adjust fall through comment.
1470	* macro.c (parse_params): Add FALLTHRU.
1471	* pch.c (count_defs): Adjust fall through comment.
1472	(write_defs): Likewise.
1473
14742016-08-06  David Malcolm  <dmalcolm@redhat.com>
1475
1476	PR bootstrap/72823
1477	* charset.c (_cpp_valid_ucn): Replace overzealous assert with one
1478	that allows for char_range to be non-NULL when loc_reader is NULL.
1479
14802016-08-05  David Malcolm  <dmalcolm@redhat.com>
1481
1482	* charset.c (cpp_substring_ranges::cpp_substring_ranges): New
1483	constructor.
1484	(cpp_substring_ranges::~cpp_substring_ranges): New destructor.
1485	(cpp_substring_ranges::add_range): New method.
1486	(cpp_substring_ranges::add_n_ranges): New method.
1487	(_cpp_valid_ucn): Add "char_range" and "loc_reader" params; if
1488	they are non-NULL, read position information from *loc_reader
1489	and update char_range->m_finish accordingly.
1490	(convert_ucn): Add "char_range", "loc_reader", and "ranges"
1491	params.  If loc_reader is non-NULL, read location information from
1492	it, and update *ranges accordingly, using char_range.
1493	Conditionalize the conversion into tbuf on tbuf being non-NULL.
1494	(convert_hex): Likewise, conditionalizing the call to
1495	emit_numeric_escape on tbuf.
1496	(convert_oct): Likewise.
1497	(convert_escape): Add params "loc_reader" and "ranges".  If
1498	loc_reader is non-NULL, read location information from it, and
1499	update *ranges accordingly.  Conditionalize the conversion into
1500	tbuf on tbuf being non-NULL.
1501	(cpp_interpret_string): Rename to...
1502	(cpp_interpret_string_1): ...this, adding params "loc_readers" and
1503	"out".  Use "to" to conditionalize the initialization and usage of
1504	"tbuf", such as running the converter.  If "loc_readers" is
1505	non-NULL, use the instances within it, reading location
1506	information from them, and passing them to convert_escape; likewise
1507	write to "out" if loc_readers is non-NULL.  Check for leading
1508	quote and issue an error if it is not present.  Update boundary
1509	check from "== limit" to ">= limit" to protect against erroneous
1510	location values to calls that are not parsing string literals.
1511	(cpp_interpret_string): Reimplement in terms to
1512	cpp_interpret_string_1.
1513	(noop_error_cb): New function.
1514	(cpp_interpret_string_ranges): New function.
1515	(cpp_string_location_reader::cpp_string_location_reader): New
1516	constructor.
1517	(cpp_string_location_reader::get_next): New method.
1518	* include/cpplib.h (class cpp_string_location_reader): New class.
1519	(class cpp_substring_ranges): New class.
1520	(cpp_interpret_string_ranges): New prototype.
1521	* internal.h (_cpp_valid_ucn): Add params "char_range" and
1522	"loc_reader".
1523	* lex.c (forms_identifier_p): Pass NULL for new params to
1524	_cpp_valid_ucn.
1525
15262016-08-01  Andreas Schwab  <schwab@suse.de>
1527
1528	* include/cpplib.h: Fix comment typo.
1529
15302016-07-27  David Malcolm  <dmalcolm@redhat.com>
1531
1532	* include/line-map.h (source_location): Fix line numbers in
1533	comment.
1534
15352016-07-11  David Malcolm  <dmalcolm@redhat.com>
1536
1537	* include/line-map.h (LINE_MAP_MAX_LOCATION_WITH_PACKED_RANGES):
1538	Move here from line-map.c.
1539	(LINE_MAP_MAX_LOCATION_WITH_COLS): Likewise.
1540	* line-map.c (LINE_MAP_MAX_LOCATION_WITH_PACKED_RANGES): Move from
1541	here to line-map.h.
1542	(LINE_MAP_MAX_LOCATION_WITH_COLS): Likewise.
1543
15442016-06-22  David Malcolm  <dmalcolm@redhat.com>
1545
1546	* directives.c (do_include_common): Pass on "location" to
1547	_cpp_stack_include.
1548	* errors.c (cpp_diagnostic): Reimplement in terms of...
1549	(cpp_diagnostic_at): New function.
1550	(cpp_error_at): New function.
1551	(cpp_errno_filename): Add "loc" param and use it by using
1552	cpp_error_at rather than cpp_error.
1553	* files.c (find_file_in_dir): Add "loc" param and pass it to
1554	open_file_failed.
1555	(_cpp_find_file): Add "loc" param.  Use it to convert calls to
1556	cpp_error to cpp_error_at, and pass it to find_file_in_dir and
1557	open_file_failed.
1558	(read_file_guts): Add "loc" param.  Use it to convert calls to
1559	cpp_error to cpp_error_at.  Pass it to cpp_errno_filename.
1560	(read_file): Add "loc" param.  Pass it to open_file_failed and
1561	read_file_guts.
1562	(should_stack_file): Add "loc" param.  Pass it to read_file.
1563	(_cpp_stack_file): Add "loc" param.  Pass it to should_stack_file.
1564	(_cpp_stack_include): Add "loc" param.  Pass it to
1565	_cpp_find_file and _cpp_stack_file.
1566	(open_file_failed): Add "loc" param.  Pass it to
1567	cpp_errno_filename.
1568	(_cpp_fake_include): Add 0 as a source_location in call to
1569	_cpp_find_file.
1570	(_cpp_compare_file_date): Likewise.
1571	(cpp_push_include): Likewise for call to _cpp_stack_include.
1572	(cpp_push_default_include): Likewise.
1573	(_cpp_save_file_entries): Likewise for call to open_file_failed.
1574	(_cpp_has_header): Likewise for call to _cpp_find_file.
1575	* include/cpplib.h (cpp_errno_filename): Add source_location
1576	param.
1577	(cpp_error_at): New declaration.
1578	* init.c (cpp_read_main_file): Add 0 as a source_location in calls
1579	to _cpp_find_file and _cpp_stack_file.
1580	* internal.h (_cpp_find_file): Add source_location param.
1581	(_cpp_stack_file): Likewise.
1582	(_cpp_stack_include): Likewise.
1583
15842016-06-22  David Malcolm  <dmalcolm@redhat.com>
1585
1586	* include/line-map.h (fixit_hint::get_start_loc): New pure virtual
1587	function.
1588	(fixit_hint::maybe_get_end_loc): Likewise.
1589	(fixit_insert::get_start_loc): New function, implementing
1590	fixit_hint::get_start_loc.
1591	(fixit_insert::maybe_get_end_loc): New function, implementing
1592	fixit_hint::maybe_get_end_loc.
1593	(fixit_remove::get_start_loc): New function, implementing
1594	fixit_hint::get_start_loc.
1595	(fixit_remove::maybe_get_end_loc): New function, implementing
1596	fixit_hint::maybe_get_end_loc.
1597	(fixit_replace::get_start_loc): New function, implementing
1598	fixit_hint::get_start_loc.
1599	(fixit_replace::maybe_get_end_loc): New function, implementing
1600	fixit_hint::maybe_get_end_loc.
1601
16022016-06-21  John David Anglin  <danglin@gcc.gnu.org>
1603
1604	* line-map.c (location_adhoc_data_update): Use int64_t instead of
1605	long long.
1606	(get_combined_adhoc_loc): Likewise.
1607
16082016-06-01  Eduard Sanou  <dhole@openmailbox.org>
1609
1610	* include/cpplib.h (cpp_callbacks): Add get_source_date_epoch
1611	callback.
1612	* include/cpplib.h (cpp_init_source_date_epoch): Remove prototype.
1613	* init.c (cpp_init_source_date_epoch): Remove function.
1614	* init.c (cpp_create_reader): Initialize pfile->source_date_epoch.
1615	* internal.h (cpp_reader): Extend comment about source_date_epoch.
1616	* macro.c (_cpp_builtin_macro_text): Use get_source_date_epoch
1617	callback only once, read pfile->source_date_epoch on future passes.
1618	Check that get_source_date_epoch callback is not NULL.
1619
16202016-05-20  Martin Liska  <mliska@suse.cz>
1621
1622	* config.in: Regenerated.
1623	* configure: Likewise.
1624	* configure.ac: Handle --enable-valgrind-annotations.
1625	* lex.c (new_buff): Use ENABLE_VALGRIND_ANNOTATIONS instead
1626	of ENABLE_VALGRIND_CHECKING.
1627	(_cpp_free_buff): Likewise.
1628
16292016-04-28  Eduard Sanou  <dhole@openmailbox.org>
1630	    Matthias Klose  <doko@debian.org>
1631
1632	* include/cpplib.h (cpp_init_source_date_epoch): Prototype.
1633	* init.c (cpp_init_source_date_epoch): New function.
1634	* internal.h: Added source_date_epoch variable to struct
1635	cpp_reader to store a reproducible date.
1636	* macro.c (_cpp_builtin_macro_text): Set pfile->date timestamp from
1637	pfile->source_date_epoch instead of localtime if source_date_epoch is
1638	set, to be used for __DATE__ and __TIME__ macros to help reproducible
1639	builds.
1640
16412016-04-13  Bernd Schmidt  <bschmidt@redhat.com>
1642
1643	Patch from Roger Orr <rogero@howzatt.demon.co.uk>
1644	PR preprocessor/69650
1645	* directives.c (do_linemarker): Reread map after calling
1646	cpp_get_token.
1647
16482016-04-06  Richard Henderson  <rth@redhat.com>
1649
1650	PR preprocessor/61817
1651	PR preprocessor/69391
1652	* internal.h (_cpp_builtin_macro_text): Update decl.
1653	* macro.c (_cpp_builtin_macro_text): Accept location for __LINE__.
1654	(builtin_macro): Accept a second location for __LINE__.
1655	(enter_macro_context): Compute both virtual and real expansion
1656	locations for the macro.
1657
16582016-03-25  Bernd Schmidt  <bschmidt@redhat.com>
1659
1660	PR lto/69650
1661	* directives.c (do_linemarker): Test for file left but not entered
1662	here.
1663	* line-map.c (linemap_add): Not here.
1664
16652016-03-21  Jakub Jelinek  <jakub@redhat.com>
1666
1667	PR target/70296
1668	* include/cpplib.h (cpp_fun_like_macro_p): New prototype.
1669	* macro.c (cpp_fun_like_macro_p): New function.
1670
16712016-03-15  Richard Henderson  <rth@redhat.com>
1672
1673	* line-map.c (new_linemap): Make alloc_size a size_t.
1674
16752016-03-14  Jason Merrill  <jason@redhat.com>
1676
1677	* expr.c (cpp_classify_number): Hex floats are new in C++1z.
1678	* init.c (lang_defaults): Likewise.
1679
16802016-03-09  David Malcolm  <dmalcolm@redhat.com>
1681
1682	PR c/68473
1683	PR c++/70105
1684	* line-map.c (linemap_macro_map_loc_unwind_toward_spelling): Move
1685	decl...
1686	* include/line-map.h
1687	(linemap_macro_map_loc_unwind_toward_spelling): ...here,
1688	converting from static to extern.
1689
16902016-03-09  David Malcolm  <dmalcolm@redhat.com>
1691
1692	PR c/68473
1693	PR c++/70105
1694	* include/line-map.h (source_range::debug): Delete.
1695	(struct location_range): Update comment.  Replace
1696	expanded_location fields "m_start", "m_finish", and "m_caret" with
1697	a source_location field: "m_loc".
1698	(class rich_location): Reword comment.
1699	(rich_location::get_loc): Reimplement in terms of a new overloaded
1700	variant which takes an unsigned int.
1701	(rich_location::get_loc_addr): Delete.
1702	(rich_location::add_range): Drop params "start" and "finish" in
1703	favor of param "loc".  Drop overloaded variants taking a
1704	source_range or location_range *.
1705	(rich_location::lazily_expand_location): Delete in favor of...
1706	(rich_location::get_expanded_location): New decl.
1707	(rich_location::m_loc): Delete field.
1708	(rich_location::m_column_override): New field.
1709	* line-map.c (rich_location::rich_location):  Drop name of
1710	line_maps * param.  Update initializations for deletion of field
1711	"m_loc" and addition of field "m_column_override".  Reimplement
1712	body as a call to add_range.  Delete overloaded variant taking a
1713	source_range.
1714	(rich_location::get_loc): New function.
1715	(rich_location::lazily_expand_location): Delete in favor of...
1716	(rich_location::get_expanded_location): New function.
1717	(rich_location::override_column): Reimplement.
1718	(rich_location::add_range): Drop params "start" and "finish" in
1719	favor of param "loc".  Eliminate location expansion in favor of
1720	simply storing loc.  Drop overloaded variants taking a
1721	source_range or location_range *.
1722	(rich_location::set_range): Eliminate location expansion.
1723
17242016-02-29  David Malcolm  <dmalcolm@redhat.com>
1725
1726	PR preprocessor/69985
1727	(linemap_position_for_loc_and_offset): Rename param from "offset"
1728	to "column_offset".  Right-shift the column_offset by m_range_bits
1729	of the pertinent ordinary map whenever offsetting a
1730	source_location.  For clarity, offset the column by the column
1731	offset, rather than the other way around.
1732
17332016-02-23  David Malcolm  <dmalcolm@redhat.com>
1734
1735	PR preprocessor/69126
1736	PR preprocessor/69543
1737	* line-map.c (linemap_compare_locations): At the function top,
1738	replace inlined bodies of get_location_from_adhoc_loc with calls
1739	to get_location_from_adhoc_loc.  Add a pair of calls to
1740	get_location_from_adhoc_loc at the bottom of the function, to
1741	avoid meaningless comparisons of ad-hoc and non-ad-hoc locations.
1742
17432016-02-08  David Malcolm  <dmalcolm@redhat.com>
1744
1745	PR preprocessor/69664
1746	* errors.c (cpp_diagnostic_with_line): Only call
1747	rich_location::override_column if the column is non-zero.
1748	* line-map.c (rich_location::override_column): Update columns
1749	within m_ranges[0].  Add assertions to verify that doing so is
1750	sane.
1751
17522016-02-05  Jakub Jelinek  <jakub@redhat.com>
1753
1754	PR c++/69628
1755	* charset.c (cpp_interpret_charconst): Clear *PCHARS_SEEN
1756	and *UNSIGNEDP if bailing out early due to errors.
1757
17582016-01-28  Jakub Jelinek  <jakub@redhat.com>
1759
1760	PR pch/68176
1761	* files.c (_cpp_find_file): Set file->implicit_preinclude even if
1762	included from file->implicit_preinclude header.
1763
1764	* directives.c (destringize_and_run): Adjust prototype.
1765
17662016-01-27  David Malcolm  <dmalcolm@redhat.com>
1767
1768	PR preprocessor/69126
1769	* directives.c (destringize_and_run): Add expansion_loc param; use
1770	it when handling unexpanded pragmas to fixup the locations of the
1771	synthesized tokens.
1772	(_cpp_do__Pragma): Add expansion_loc param and use it when calling
1773	destringize_and_run.
1774	* internal.h (_cpp_do__Pragma): Add expansion_loc param.
1775	* macro.c (builtin_macro): Pass expansion location of _Pragma to
1776	_cpp_do__Pragma.
1777
17782016-01-14  David Malcolm  <dmalcolm@redhat.com>
1779
1780	PR preprocessor/69177
1781	* line-map.c (LINE_MAP_MAX_LOCATION_WITH_PACKED_RANGES): New
1782	constant.
1783	(LINE_MAP_MAX_LOCATION_WITH_COLS): Add note about unit tests
1784	to comment.
1785	(can_be_stored_compactly_p): Reduce threshold from
1786	LINE_MAP_MAX_LOCATION_WITH_COLS to
1787	LINE_MAP_MAX_LOCATION_WITH_PACKED_RANGES.
1788	(get_combined_adhoc_loc): Likewise.
1789	(get_range_from_loc): Likewise.
1790	(linemap_line_start): Ensure that a new ordinary map is created
1791	when transitioning from range-packing being enabled to disabled,
1792	at the LINE_MAP_MAX_LOCATION_WITH_PACKED_RANGES threshold.  Set
1793	range_bits to 0 for new ordinary maps when beyond this limit.
1794	Prevent the "increase the column bits of a freshly created map"
1795	optimization if the range bits has reduced.
1796
17972016-01-08  Jakub Jelinek  <jakub@redhat.com>
1798
1799	PR c++/69145
1800	* files.c (cpp_included_before): If IS_ADHOC_LOC (location), lookup
1801	real location from the line_table.
1802
18032016-01-04  Jakub Jelinek  <jakub@redhat.com>
1804
1805	Update copyright years.
1806
18072015-12-22  David Malcolm  <dmalcolm@redhat.com>
1808
1809	* line-map.c (get_combined_adhoc_loc): Remove condition
1810	on locus < RESERVED_LOCATION_COUNT when considering
1811	whether a caret == start == finish location can be
1812	simply stored as the caret location.
1813
18142015-12-07  David Malcolm  <dmalcolm@redhat.com>
1815
1816	* include/line-map.h (rich_location::set_range): Add line_maps *
1817	param; convert param from source_range to source_location.  Drop
1818	"overwrite_loc_p" param.
1819	* line-map.c (rich_location::set_range): Likewise, acting as if
1820	"overwrite_loc_p" were true, and getting range from the location.
1821
18222015-11-20  David Malcolm  <dmalcolm@redhat.com>
1823
1824	PR 62314
1825	* include/line-map.h (source_range::intersects_line_p): New
1826	method.
1827	(rich_location::~rich_location): New.
1828	(rich_location::add_fixit_insert): New method.
1829	(rich_location::add_fixit_remove): New method.
1830	(rich_location::add_fixit_replace): New method.
1831	(rich_location::get_num_fixit_hints): New accessor.
1832	(rich_location::get_fixit_hint): New accessor.
1833	(rich_location::MAX_FIXIT_HINTS): New constant.
1834	(rich_location::m_num_fixit_hints): New field.
1835	(rich_location::m_fixit_hints): New field.
1836	(class fixit_hint): New class.
1837	(class fixit_insert): New class.
1838	(class fixit_remove): New class.
1839	(class fixit_replace): New class.
1840	* line-map.c (source_range::intersects_line_p): New method.
1841	(rich_location::rich_location): Add initialization of
1842	m_num_fixit_hints to both ctors.
1843	(rich_location::~rich_location): New.
1844	(rich_location::add_fixit_insert): New method.
1845	(rich_location::add_fixit_remove): New method.
1846	(rich_location::add_fixit_replace): New method.
1847	(fixit_insert::fixit_insert): New.
1848	(fixit_insert::~fixit_insert): New.
1849	(fixit_insert::affects_line_p): New.
1850	(fixit_remove::fixit_remove): New.
1851	(fixit_remove::affects_line_p): New.
1852	(fixit_replace::fixit_replace): New.
1853	(fixit_replace::~fixit_replace): New.
1854	(fixit_replace::affects_line_p): New.
1855
18562015-11-19  Jakub Jelinek  <jakub@redhat.com>
1857
1858	PR preprocessor/60736
1859	* include/cpplib.h (cpp_errno_filename): New prototype.
1860	* errors.c (cpp_errno): Don't handle msgid "" specially, use
1861	_(msgid) instead of msgid as argument to cpp_error.
1862	(cpp_errno_filename): New function.
1863	* files.c (read_file_guts): Use cpp_errno_filename instead of
1864	cpp_errno.
1865	(open_file_failed): Likewise.  Use file->name if file->path is NULL
1866	in diagnostics.
1867
18682015-11-13  David Malcolm  <dmalcolm@redhat.com>
1869
1870	* errors.c (cpp_diagnostic): Pass pfile->line_table to
1871	rich_location ctor.
1872	(cpp_diagnostic_with_line): Likewise.
1873	* include/cpplib.h (struct cpp_token): Update comment for src_loc
1874	to indicate that the range of the token is "baked into" the
1875	source_location.
1876	* include/line-map.h (source_location): Update the descriptive
1877	comment to reflect the packing scheme for short ranges, adding
1878	worked examples of location encoding.
1879	(struct line_map_ordinary): Drop field "column_bits" in favor
1880	of field "m_column_and_range_bits"; add field "m_range_bits".
1881	(ORDINARY_MAP_NUMBER_OF_COLUMN_BITS): Delete.
1882	(location_adhoc_data): Add source_range field.
1883	(struct line_maps): Add fields "default_range_bits",
1884	"num_optimized_ranges" and "num_unoptimized_ranges".
1885	(get_combined_adhoc_loc): Add source_range param.
1886	(get_range_from_loc): New declaration.
1887	(pure_location_p): New prototype.
1888	(COMBINE_LOCATION_DATA):  Add source_range param.
1889	(SOURCE_LINE): Update for renaming of column_bits.
1890	(SOURCE_COLUMN): Likewise.  Shift the column right by the map's
1891	range_bits.
1892	(LAST_SOURCE_LINE_LOCATION): Update for renaming of column_bits.
1893	(linemap_position_for_line_and_column): Add line_maps * params.
1894	(rich_location::rich_location): Likewise.
1895	* lex.c (_cpp_lex_direct): Capture the range of the token, baking
1896	it into token->src_loc via a call to COMBINE_LOCATION_DATA.
1897	* line-map.c (LINE_MAP_MAX_COLUMN_NUMBER): Reduce from 1U << 17 to
1898	1U << 12.
1899	(location_adhoc_data_hash): Add the src_range into
1900	the hash value.
1901	(location_adhoc_data_eq): Require equality of the src_range
1902	values.
1903	(can_be_stored_compactly_p): New function.
1904	(get_combined_adhoc_loc): Add src_range param, and store it,
1905	via a bit-packing scheme for short ranges, otherwise within the
1906	lookaside table.  Remove the requirement that data is non-NULL.
1907	(get_range_from_adhoc_loc): New function.
1908	(get_range_from_loc): New function.
1909	(pure_location_p): New function.
1910	(linemap_add): Ensure that start_location has zero for the
1911	range_bits, unless we're past LINE_MAP_MAX_LOCATION_WITH_COLS.
1912	Initialize range_bits to zero.  Assert that the start_location
1913	is "pure".
1914	(linemap_line_start): Assert that the
1915	column_and_range_bits >= range_bits.
1916	Update determinination of whether we need to start a new map
1917	using the effective column bits, without the range bits.
1918	Use the set's default_range_bits in new maps, apart from
1919	those with column_bits == 0, which should also have 0 range_bits.
1920	Increase the column bits for new maps by the range bits.
1921	When adding lines to an existing map, use set->highest_line
1922	directly rather than offsetting highest by SOURCE_COLUMN.
1923	Add assertions to sanity-check the return value.
1924	(linemap_position_for_column): Offset to_column by range_bits.
1925	Update set->highest_location if necessary.
1926	(linemap_position_for_line_and_column): Add line_maps * param.
1927	Update the calculation to offset the column by range_bits, and
1928	conditionalize it on being <= LINE_MAP_MAX_LOCATION_WITH_COLS.
1929	Bound it by LINEMAPS_MACRO_LOWEST_LOCATION.  Update
1930	set->highest_location if necessary.
1931	(linemap_position_for_loc_and_offset): Handle ad-hoc locations;
1932	pass "set" to linemap_position_for_line_and_column.
1933	(linemap_macro_map_loc_unwind_toward_spelling): Add line_maps
1934	param.  Handle ad-hoc locations.
1935	(linemap_location_in_system_header_p): Pass on "set" to call to
1936	linemap_macro_map_loc_unwind_toward_spelling.
1937	(linemap_macro_loc_to_spelling_point): Retain ad-hoc locations.
1938	Pass on "set" to call to
1939	linemap_macro_map_loc_unwind_toward_spelling.
1940	(linemap_resolve_location): Retain ad-hoc locations.  Pass on
1941	"set" to call to linemap_macro_map_loc_unwind_toward_spelling.
1942	(linemap_unwind_toward_expansion):  Pass on "set" to call to
1943	linemap_macro_map_loc_unwind_toward_spelling.
1944	(linemap_expand_location): Extract the data pointer before
1945	extracting the location.
1946	(rich_location::rich_location): Add line_maps param; use it to
1947	extract the range from the source_location.
1948	* location-example.txt: Regenerate, showing new representation.
1949
19502015-11-06  David Malcolm  <dmalcolm@redhat.com>
1951
1952	* errors.c (cpp_diagnostic): Update for change in signature
1953	of "error" callback.
1954	(cpp_diagnostic_with_line): Likewise, calling override_column
1955	on the rich_location.
1956	* include/cpplib.h (struct cpp_callbacks): Within "error"
1957	callback, convert param from source_location to rich_location *,
1958	and drop column_override param.
1959	* include/line-map.h (struct source_range): New struct.
1960	(struct location_range): New struct.
1961	(class rich_location): New class.
1962	(linemap_client_expand_location_to_spelling_point): New declaration.
1963	* line-map.c (rich_location::rich_location): New ctors.
1964	(rich_location::lazily_expand_location): New method.
1965	(rich_location::override_column): New method.
1966	(rich_location::add_range): New methods.
1967	(rich_location::set_range): New method.
1968
19692015-11-06  David Malcolm  <dmalcolm@redhat.com>
1970
1971	* include/line-map.h (struct linemap_stats): Add fields
1972	"adhoc_table_size" and "adhoc_table_entries_used".
1973	* line-map.c (linemap_get_statistics): Populate above fields.
1974
19752015-11-04  Mikhail Maltsev  <maltsevm@gmail.com>
1976
1977	* config.in: Regenerate.
1978	* configure: Regenerate.
1979	* configure.ac: Remove ENABLE_CHECKING.
1980
19812015-11-03  Uros Bizjak  <ubizjak@gmail.com>
1982
1983	* lex.c (search_line_sse42): Correctly advance the pointer to an
1984	aligned address.
1985
19862015-11-02  David Malcolm  <dmalcolm@redhat.com>
1987
1988	* include/line-map.h (source_location): In the table in the
1989	descriptive comment, show UNKNOWN_LOCATION, BUILTINS_LOCATION,
1990	LINE_MAP_MAX_LOCATION_WITH_COLS, LINE_MAP_MAX_SOURCE_LOCATION.
1991	Add notes about ad-hoc values.
1992
19932015-10-21  Mikhail Maltsev  <maltsevm@gmail.com>
1994
1995	* include/line-map.h: Use CHECKING_P instead of ENABLE_CHECKING.
1996	* init.c: Likewise.
1997	* macro.c (struct macro_arg_token_iter, set_arg_token,
1998	macro_arg_token_iter_init, macro_arg_token_iter_forward,
1999	macro_arg_token_iter_get_token, macro_arg_token_iter_get_location,
2000	alloc_expanded_arg_mem, _cpp_backup_tokens): Likewise.
2001
2002	* config.in: Regenerate.
2003	* configure: Regenerate.
2004	* configure.ac (CHECKING_P): Define.
2005	* system.h (fancy_abort): Declare.
2006	(abort): Define.
2007	(gcc_assert): Define. Use CHECKING_P.
2008
20092015-10-13  Mikhail Maltsev  <maltsevm@gmail.com>
2010
2011	* system.h (CHECKING_P, gcc_checking_assert): Define.
2012
20132015-09-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2014
2015	PR c/66415
2016	* line-map.c (linemap_position_for_loc_and_offset): Handle the
2017	case of long lines encoded in multiple maps.
2018
20192015-09-07  Marek Polacek  <polacek@redhat.com>
2020
2021	* system.h (INTTYPE_MINIMUM): Rewrite to avoid shift warning.
2022
20232015-08-06  Yaakov Selkowitz  <yselkowi@redhat.com>
2024
2025	* configure: Regenerate.
2026
20272015-07-08  Thomas Schwinge  <thomas@codesourcery.com>
2028
2029	* include/line-map.h (RESERVED_LOCATION_COUNT): Change type to
2030	source_location.
2031
20322015-07-02  Paolo Carlini  <paolo.carlini@oracle.com>
2033
2034	PR preprocessor/53690
2035	* charset.c (_cpp_valid_ucn): Add cppchar_t * parameter and change
2036	return type to bool.  Fix encoding of \u0000 and \U00000000 in C++.
2037	(convert_ucn): Adjust call.
2038	* lex.c (forms_identifier_p): Likewise.
2039	* internal.h (_cpp_valid_ucn): Adjust declaration.
2040
20412015-06-30  Edward Smith-Rowland  <3dw4rd@verizon.net>
2042
2043	Implement N4197 - Adding u8 character literals
2044	* include/cpplib.h (UTF8CHAR, UTF8CHAR_USERDEF): New cpp tokens;
2045	(struct cpp_options): Add utf8_char_literals.
2046	* init.c (struct lang_flags): Add utf8_char_literals;
2047	(struct lang_flags lang_defaults): Add column for utf8_char_literals.
2048	* macro.c (stringify_arg()): Treat CPP_UTF8CHAR token;
2049	* expr.c (cpp_userdef_char_remove_type(), cpp_userdef_char_add_type()):
2050	Treat CPP_UTF8CHAR_USERDEF, CPP_UTF8CHAR tokens;
2051	(cpp_userdef_char_p()): Treat CPP_UTF8CHAR_USERDEF token;
2052	(eval_token(), _cpp_parse_expr()): Treat CPP_UTF8CHAR token.
2053	* lex.c (lex_string(), _cpp_lex_direct()): Include CPP_UTF8CHAR tokens.
2054	* charset.c (converter_for_type(), cpp_interpret_charconst()):
2055	Treat CPP_UTF8CHAR token.
2056
20572015-06-30  Uros Bizjak  <ubizjak@gmail.com>
2058
2059	* lex.c (search_line_sse42) [__GCC_ASM_FLAG_OUTPUTS__]: New main
2060	loop using asm flag outputs.
2061
20622015-06-08  Marek Polacek  <polacek@redhat.com>
2063
2064	PR c/66415
2065	* line-map.c (linemap_position_for_loc_and_offset): Remove
2066	linemap_assert_fails; reverse conditions.
2067
20682015-05-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2069
2070	* line-map.c (LINE_MAP_MAX_COLUMN_NUMBER
2071	LINE_MAP_MAX_LOCATION_WITH_COLS,LINE_MAP_MAX_SOURCE_LOCATION):
2072	New constants.
2073	(linemap_line_start): Use them.
2074	(linemap_position_for_column): Use them.
2075
20762015-05-20  David Malcolm  <dmalcolm@redhat.com>
2077
2078	* include/line-map.h (MAP_START_LOCATION): Eliminate the non-const
2079	variant, and tweak comment for the const variant.
2080	(ORDINARY_MAP_STARTING_LINE_NUMBER): Drop the non-const variant.
2081	(ORDINARY_MAP_INCLUDER_FILE_INDEX): Likewise.
2082	(ORDINARY_MAP_IN_SYSTEM_HEADER_P): Likewise.
2083	(SET_ORDINARY_MAP_NUMBER_OF_COLUMN_BITS): Delete.
2084	(ORDINARY_MAP_FILE_NAME): Drop the non-const variant.
2085	(MACRO_MAP_MACRO): Likewise.
2086	(MACRO_MAP_NUM_MACRO_TOKENS): Likewise.
2087	(MACRO_MAP_LOCATIONS): Likewise.
2088	(MACRO_MAP_EXPANSION_POINT_LOCATION): Likewise.
2089	* line-map.c (linemap_add): Replace writes through macros with
2090	direct field accesses.
2091	(linemap_enter_macro): Likewise.
2092	(linemap_line_start): Likewise.
2093
20942015-05-19  David Malcolm  <dmalcolm@redhat.com>
2095
2096	* directives.c (do_line): Strengthen local "map" from
2097	const line_map * to const line_map_ordinary *.
2098	(do_linemarker): Likewise.
2099	(_cpp_do_file_change): Assert that we're not dealing with
2100	a macro map.  Introduce local "ord_map" via a call to
2101	linemap_check_ordinary, guarded within the check for
2102	non-NULL.  Use it for typesafety.
2103	* files.c (cpp_make_system_header): Strengthen local "map" from
2104	const line_map * to const line_map_ordinary *.
2105	* include/cpplib.h (struct cpp_callbacks): Likewise for second
2106	parameter of "file_change" callback.
2107	* include/line-map.h (struct line_map): Convert from a struct
2108	containing a union to a base class.
2109	(struct line_map_ordinary): Convert to a subclass of line_map.
2110	(struct line_map_macro): Likewise.
2111	(linemap_check_ordinary): Strengthen return type from line_map *
2112	to line_map_ordinary *, and add a const-variant.
2113	(linemap_check_macro): New pair of functions.
2114	(ORDINARY_MAP_STARTING_LINE_NUMBER): Strengthen param from
2115	const line_map * to const line_map_ordinary *, eliminating call
2116	to linemap_check_ordinary.  Likewise for the non-const variant.
2117	(ORDINARY_MAP_INCLUDER_FILE_INDEX): Likewise.
2118	(ORDINARY_MAP_IN_SYSTEM_HEADER_P): Likewise.
2119	(ORDINARY_MAP_NUMBER_OF_COLUMN_BITS): Likewise.
2120	(ORDINARY_MAP_FILE_NAME): Likewise.
2121	(MACRO_MAP_MACRO): Strengthen param from const line_map * to
2122	const line_map_macro *.  Likewise for the non-const variant.
2123	(MACRO_MAP_NUM_MACRO_TOKENS): Likewise.
2124	(MACRO_MAP_LOCATIONS): Likewise.
2125	(MACRO_MAP_EXPANSION_POINT_LOCATION): Likewise.
2126	(struct maps_info): Replace with...
2127	(struct maps_info_ordinary):...this and...
2128	(struct maps_info_macro): ...this.
2129	(struct line_maps): Convert fields "info_ordinary" and
2130	"info_macro" to the above new structs.
2131	(LINEMAPS_MAP_INFO): Delete both functions.
2132	(LINEMAPS_MAPS): Likewise.
2133	(LINEMAPS_ALLOCATED): Rewrite both variants to avoid using
2134	LINEMAPS_MAP_INFO.
2135	(LINEMAPS_USED): Likewise.
2136	(LINEMAPS_CACHE): Likewise.
2137	(LINEMAPS_MAP_AT): Likewise.
2138	(LINEMAPS_ORDINARY_MAPS): Strengthen return type from line_map *
2139	to line_map_ordinary *.
2140	(LINEMAPS_ORDINARY_MAP_AT): Likewise.
2141	(LINEMAPS_LAST_ORDINARY_MAP): Likewise.
2142	(LINEMAPS_LAST_ALLOCATED_ORDINARY_MAP): Likewise.
2143	(LINEMAPS_MACRO_MAPS): Strengthen return type from line_map * to
2144	line_map_macro *.
2145	(LINEMAPS_MACRO_MAP_AT): Likewise.
2146	(LINEMAPS_LAST_MACRO_MAP): Likewise.
2147	(LINEMAPS_LAST_ALLOCATED_MACRO_MAP): Likewise.
2148	(linemap_map_get_macro_name): Strengthen param from
2149	const line_map * to const line_map_macro *.
2150	(SOURCE_LINE): Strengthen first param from const line_map * to
2151	const line_map_ordinary *, removing call to
2152	linemap_check_ordinary.
2153	(SOURCE_COLUMN): Likewise.
2154	(LAST_SOURCE_LINE_LOCATION): Likewise.
2155	(LAST_SOURCE_LINE): Strengthen first param from const line_map *
2156	to const line_map_ordinary *.
2157	(LAST_SOURCE_COLUMN): Likewise.
2158	(INCLUDED_FROM): Strengthen return type from line_map * to
2159	line_map_ordinary *., and second param from const line_map *
2160	to const line_map_ordinary *, removing call to
2161	linemap_check_ordinary.
2162	(MAIN_FILE_P): Strengthen param from const line_map * to
2163	const line_map_ordinary *, removing call to
2164	linemap_check_ordinary.
2165	(linemap_position_for_line_and_column): Strengthen param from
2166	const line_map * to const line_map_ordinary *.
2167	(LINEMAP_FILE): Strengthen param from const line_map * to
2168	const line_map_ordinary *, removing call to
2169	linemap_check_ordinary.
2170	(LINEMAP_LINE): Likewise.
2171	(LINEMAP_SYSP): Likewise.
2172	(linemap_resolve_location): Strengthen final param from
2173	const line_map ** to const line_map_ordinary **.
2174	* internal.h (CPP_INCREMENT_LINE): Likewise for local "map".
2175	(linemap_enter_macro): Strengthen return type from
2176	const line_map * to const line_map_macro *.
2177	(linemap_add_macro_token): Likewise for first param.
2178	* line-map.c (linemap_check_files_exited): Strengthen local "map"
2179	from const line_map * to const line_map_ordinary *.
2180	(new_linemap): Introduce local "map_size" and use it when
2181	calculating how large the buffer should be.  Rewrite based
2182	on change of info_macro and info_ordinary into distinct types.
2183	(linemap_add): Strengthen locals "map" and "from" from line_map *
2184	to line_map_ordinary *.
2185	(linemap_enter_macro): Strengthen return type from
2186	const line_map * to const line_map_macro *, and local "map" from
2187	line_map * to line_map_macro *.
2188	(linemap_add_macro_token): Strengthen param "map" from
2189	const line_map * to const line_map_macro *.
2190	(linemap_line_start): Strengthen local "map" from line_map * to
2191	line_map_ordinary *.
2192	(linemap_position_for_column): Likewise.
2193	(linemap_position_for_line_and_column): Strengthen first param
2194	from const line_map * to const line_map_ordinary *.
2195	(linemap_position_for_loc_and_offset): Strengthen local "map" from
2196	const line_map * to const line_map_ordinary *.
2197	(linemap_ordinary_map_lookup): Likewise for return type and locals
2198	"cached" and "result".
2199	(linemap_macro_map_lookup): Strengthen return type and locals
2200	"cached" and "result" from const line_map * to
2201	const line_map_macro *.
2202	(linemap_macro_map_loc_to_exp_point): Likewise for param "map".
2203	(linemap_macro_map_loc_to_def_point): Likewise.
2204	(linemap_macro_map_loc_unwind_toward_spelling): Likewise.
2205	(linemap_get_expansion_line): Strengthen local "map" from
2206	const line_map * to const line_map_ordinary *.
2207	(linemap_get_expansion_filename): Likewise.
2208	(linemap_map_get_macro_name): Strengthen param from
2209	const line_map * to const line_map_macro *.
2210	(linemap_location_in_system_header_p): Add call to
2211	linemap_check_ordinary in region guarded by
2212	!linemap_macro_expansion_map_p.  Introduce local "macro_map" via
2213	linemap_check_macro in other region, using it in place of "map"
2214	for typesafety.
2215	(first_map_in_common_1): Add calls to linemap_check_macro.
2216	(trace_include): Strengthen param "map" from const line_map * to
2217	const line_map_ordinary *.
2218	(linemap_macro_loc_to_spelling_point): Strengthen final param from
2219	const line_map ** to const line_map_ordinary **.  Replace a
2220	C-style cast with a const_cast, and add calls to
2221	linemap_check_macro and linemap_check_ordinary.
2222	(linemap_macro_loc_to_def_point): Likewise.
2223	(linemap_macro_loc_to_exp_point): Likewise.
2224	(linemap_resolve_location): Strengthen final param from
2225	const line_map ** to const line_map_ordinary **.
2226	(linemap_unwind_toward_expansion): Introduce local "macro_map" via
2227	a checked cast and use it in place of *map.
2228	(linemap_unwind_to_first_non_reserved_loc): Strengthen local
2229	"map1" from const line_map * to const line_map_ordinary *.
2230	(linemap_expand_location): Introduce local "ord_map" via a checked
2231	cast and use it in place of map.
2232	(linemap_dump): Make local "map" const.  Strengthen local
2233	"includer_map" from line_map * to const line_map_ordinary *.
2234	Introduce locals "ord_map" and "macro_map" via checked casts and
2235	use them in place of "map" for typesafety.
2236	(linemap_dump_location): Strengthen local "map" from
2237	const line_map * to const line_map_ordinary *.
2238	(linemap_get_file_highest_location): Update for elimination of
2239	union.
2240	(linemap_get_statistics): Strengthen local "cur_map" from
2241	line_map * to const line_map_macro *.  Update uses of sizeof to
2242	use the appropriate line_map subclasses.
2243	* macro.c (_cpp_warn_if_unused_macro): Add call to
2244	linemap_check_ordinary.
2245	(builtin_macro): Strengthen local "map" from const line_map * to
2246	const line_map_macro *.
2247	(enter_macro_context): Likewise.
2248	(replace_args): Likewise.
2249	(tokens_buff_put_token_to): Likewise for param "map".
2250	(tokens_buff_add_token): Likewise.
2251
22522015-05-13  David Malcolm  <dmalcolm@redhat.com>
2253
2254	* include/line-map.h (source_location): Add a reference to
2255	location-example.txt to the descriptive comment.
2256	* location-example.txt: New file.
2257
22582015-05-13  David Malcolm  <dmalcolm@redhat.com>
2259
2260	* include/line-map.h (MAX_SOURCE_LOCATION): Convert from a macro
2261	to a const source_location.
2262	(RESERVED_LOCATION_COUNT): Likewise.
2263	(linemap_check_ordinary): Convert from a macro to a pair of inline
2264	functions, for const/non-const arguments.
2265	(MAP_START_LOCATION): Likewise.
2266	(ORDINARY_MAP_STARTING_LINE_NUMBER): Likewise.
2267	(ORDINARY_MAP_INCLUDER_FILE_INDEX): Likewise.
2268	(ORDINARY_MAP_IN_SYSTEM_HEADER_P): Likewise.
2269	(ORDINARY_MAP_NUMBER_OF_COLUMN_BITS): Convert from a macro to a
2270	pair of inline functions, for const/non-const arguments, where the
2271	latter is named...
2272	(SET_ORDINARY_MAP_NUMBER_OF_COLUMN_BITS): New function.
2273	(ORDINARY_MAP_FILE_NAME): Convert from a macro to a pair of inline
2274	functions, for const/non-const arguments.
2275	(MACRO_MAP_MACRO): Likewise.
2276	(MACRO_MAP_NUM_MACRO_TOKENS): Likewise.
2277	(MACRO_MAP_LOCATIONS): Likewise.
2278	(MACRO_MAP_EXPANSION_POINT_LOCATION): Likewise.
2279	(LINEMAPS_MAP_INFO): Likewise.
2280	(LINEMAPS_MAPS): Likewise.
2281	(LINEMAPS_ALLOCATED): Likewise.
2282	(LINEMAPS_USED): Likewise.
2283	(LINEMAPS_CACHE): Likewise.
2284	(LINEMAPS_ORDINARY_CACHE): Likewise.
2285	(LINEMAPS_MACRO_CACHE): Likewise.
2286	(LINEMAPS_MAP_AT): Convert from a macro to an inline function.
2287	(LINEMAPS_LAST_MAP): Likewise.
2288	(LINEMAPS_LAST_ALLOCATED_MAP): Likewise.
2289	(LINEMAPS_ORDINARY_MAPS): Likewise.
2290	(LINEMAPS_ORDINARY_MAP_AT): Likewise.
2291	(LINEMAPS_ORDINARY_ALLOCATED): Likewise.
2292	(LINEMAPS_ORDINARY_USED): Likewise.
2293	(LINEMAPS_LAST_ORDINARY_MAP): Likewise.
2294	(LINEMAPS_LAST_ALLOCATED_ORDINARY_MAP): Likewise.
2295	(LINEMAPS_MACRO_MAPS): Likewise.
2296	(LINEMAPS_MACRO_MAP_AT): Likewise.
2297	(LINEMAPS_MACRO_ALLOCATED): Likewise.
2298	(LINEMAPS_MACRO_USED): Likewise.
2299	(LINEMAPS_MACRO_LOWEST_LOCATION): Likewise.
2300	(LINEMAPS_LAST_MACRO_MAP): Likewise.
2301	(LINEMAPS_LAST_ALLOCATED_MACRO_MAP): Likewise.
2302	(IS_ADHOC_LOC): Likewise.
2303	(COMBINE_LOCATION_DATA): Likewise.
2304	(SOURCE_LINE): Likewise.
2305	(SOURCE_COLUMN): Likewise.
2306	(LAST_SOURCE_LINE_LOCATION): Likewise.
2307	(LAST_SOURCE_LINE): Likewise.
2308	(LAST_SOURCE_COLUMN): Likewise.
2309	(LAST_SOURCE_LINE_LOCATION)
2310	(INCLUDED_FROM): Likewise.
2311	(MAIN_FILE_P): Likewise.
2312	(LINEMAP_FILE): Likewise.
2313	(LINEMAP_LINE): Likewise.
2314	(LINEMAP_SYSP): Likewise.
2315	(linemap_location_before_p): Likewise.
2316	* line-map.c (linemap_check_files_exited): Make local "map" const.
2317	(linemap_add): Use SET_ORDINARY_MAP_NUMBER_OF_COLUMN_BITS.
2318	(linemap_line_start): Likewise.
2319
23202015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
2321
2322	* aclocal.m4: Regenerated with automake-1.11.6.
2323
23242015-05-13  David Malcolm  <dmalcolm@redhat.com>
2325
2326	* include/line-map.h (linemap_assert): Move up within the file to
2327	before all of the map accessor macros.
2328	(linemap_assert_fails): Likewise.
2329	(linemap_check_ordinary): Likewise.
2330	(linemap_macro_expansion_map_p): Likewise.
2331
23322015-05-12  David Malcolm  <dmalcolm@redhat.com>
2333
2334	* directives.c (do_line): Set seen_line_directive on line_table.
2335	(do_linemarker): Likewise.
2336	* include/line-map.h (struct line_maps): Add new field
2337	"seen_line_directive".
2338
23392015-05-08  Jason Merrill  <jason@redhat.com>
2340
2341	* include/cpplib.h: Add CPP_W_CXX11_COMPAT.
2342	(struct cpp_options): Add cpp_warn_cxx11_compat.
2343	* init.c (cpp_create_reader): Initialize it.
2344	* lex.c (lex_string): Add -Wc++11-compat warning.
2345
23462015-05-05  David Malcolm  <dmalcolm@redhat.com>
2347
2348	* pch.c (cpp_valid_state): Fix indentation so that it reflects the
2349	block structure.
2350
23512015-05-05  David Malcolm  <dmalcolm@redhat.com>
2352
2353	* include/line-map.h: Fix comment at the top of the file.
2354	(source_location): Rewrite and expand the comment for this
2355	typedef, adding an ascii-art table to clarify how source_location
2356	values are allocated.
2357	* line-map.c: Fix comment at the top of the file.
2358
23592015-04-09  Richard Biener  <rguenther@suse.de>
2360
2361	PR pch/65550
2362	* files.c (pch_open_file): Allow main and pre-included files
2363	when trying to open a PCH.
2364
23652015-04-06  Jakub Jelinek  <jakub@redhat.com>
2366
2367	PR preprocessor/61977
2368	* lex.c (cpp_peek_token): If peektok is CPP_EOF, back it up
2369	with all tokens peeked by the current function.
2370
23712015-04-02  Jakub Jelinek  <jakub@redhat.com>
2372
2373	PR preprocessor/61977
2374	* lex.c (cpp_peek_token): Temporarily clear pfile->cb.line_change.
2375
23762015-03-23  Jakub Jelinek  <jakub@redhat.com>
2377
2378	PR preprocessor/65238
2379	* internal.h (_cpp_scan_out_logical_line): Add third argument.
2380	* directives.c (prepare_directive_trad): Pass false to it.
2381	* traditional.c (_cpp_read_logical_line_trad,
2382	_cpp_create_trad_definition): Likewise.
2383	(struct fun_macro): Add paramc field.
2384	(fun_like_macro): New function.
2385	(maybe_start_funlike): Handle NODE_BUILTIN macros.  Initialize
2386	macro->paramc field.
2387	(save_argument): Use macro->paramc instead of
2388	macro->node->value.macro->paramc.
2389	(push_replacement_text): Formatting fix.
2390	(recursive_macro): Use fun_like_macro helper.
2391	(_cpp_scan_out_logical_line): Likewise.  Add BUILTIN_MACRO_ARG
2392	argument.  Initialize fmacro.paramc field.  Handle builtin
2393	function-like macros.
2394
23952015-03-16  Edward Smith-Rowland  <3dw4rd@verizon.net>
2396
2397	PR c++/64626
2398	* lex.c (lex_number): If a number ends with digit-seps (') skip back
2399	and let lex_string take them.
2400
24012015-03-02  Markus Trippelsdorf  <markus@trippelsdorf.de>
2402
2403	PR target/65261
2404	* lex.c (search_line_fast): Silence ubsan errors.
2405
24062015-02-03    <dodji@redhat.com>
2407
2408	PR preprocessor/64803
2409	* internal.h (cpp_reader::top_most_macro_node): New data member.
2410	* macro.c (enter_macro_context): Pass the location of the end of
2411	the top-most invocation of the function-like macro, or the
2412	location of the expansion point of the top-most object-like macro.
2413	(cpp_get_token_1): Store the top-most macro node in the new
2414	pfile->top_most_macro_node data member.
2415	(_cpp_pop_context): Clear the new cpp_reader::top_most_macro_node
2416	data member.
2417
24182015-01-30  Szabolcs Nagy  <szabolcs.nagy@arm.com>
2419
2420	* lex.c (search_line_fast): Change __ARM_NEON__ to __ARM_NEON.
2421
24222015-01-23  Marek Polacek  <polacek@redhat.com>
2423
2424	DR#412
2425	PR preprocessor/60570
2426	* directives.c (do_elif): Don't evaluate #elif conditionals
2427	when they don't need to be.
2428
24292015-01-16  Jakub Jelinek  <jakub@redhat.com>
2430
2431	* expr.c (cpp_classify_number): Add N_() around ?: string
2432	literals used in cpp_error_with_line call as format string.
2433
24342015-01-05  Jakub Jelinek  <jakub@redhat.com>
2435
2436	Update copyright years.
2437
24382014-12-19  Jakub Jelinek  <jakub@redhat.com>
2439
2440	PR preprocessor/63831
2441	* directives.c (lex_macro_node): Remove __has_attribute__ handling.
2442	* internal.h (struct spec_node): Remove n__has_attribute__ field.
2443	(struct lexer_state): Remove in__has_attribute__ field.
2444	* macro.c (_cpp_builtin_macro_text): Handle BT_HAS_ATTRIBUTE.
2445	* identifiers.c (_cpp_init_hashtable): Remove __has_attribute__
2446	handling.
2447	* init.c (builtin_array): Add __has_attribute and __has_cpp_attribute.
2448	(cpp_init_special_builtins): Don't initialize __has_attribute
2449	or __has_cpp_attribute if CLK_ASM or pfile->cb.has_attribute is NULL.
2450	* traditional.c (enum ls): Remove ls_has_attribute,
2451	ls_has_attribute_close.
2452	(_cpp_scan_out_logical_line): Remove __has_attribute__ handling.
2453	* include/cpplib.h (enum cpp_builtin_type): Add BT_HAS_ATTRIBUTE.
2454	* pch.c (cpp_read_state): Remove __has_attribute__ handling.
2455	* expr.c (eval_token): Likewise.
2456	(parse_has_attribute): Removed.
2457
24582014-12-11  Uros Bizjak  <ubizjak@gmail.com>
2459
2460	* directives.c (cpp_define_formatted): Use xvasprintf.
2461
24622014-12-05  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2463
2464	* line-map.c (linemap_position_for_loc_and_offset): Add new
2465	linemap_assert_fails.
2466
24672014-12-02  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2468
2469	* include/line-map.h (linemap_assert_fails): Declare.
2470	* line-map.c (linemap_position_for_loc_and_offset): Use it.
2471
24722014-12-02  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2473
2474	* line-map.c (linemap_add): Fix typo.
2475	(linemap_line_start): Fix whitespace.
2476
24772014-11-29  John Schmerge  <jbschmerge@gmail.com>
2478
2479	PR preprocessor/41698
2480	* charset.c (one_utf8_to_utf16): Do not produce surrogate pairs
2481	for 0xffff.
2482
24832014-11-25  Jakub Jelinek  <jakub@redhat.com>
2484
2485	PR preprocessor/60436
2486	* line-map.c (linemap_line_start): If highest is above 0x60000000
2487	and we are still tracking columns or highest is above 0x70000000,
2488	force add_map.
2489
24902014-11-20  Uros Bizjak  <ubizjak@gmail.com>
2491
2492	PR target/63966
2493	* lex.c [__i386__ || __x86_64__]: Compile special SSE functions
2494	only for (__GNUC__ >= 5 || !defined(__PIC__)).
2495
24962014-11-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2497
2498	* include/line-map.h: Include EXPR, so that unused variable warnings
2499	do not occur.
2500
25012014-11-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2502
2503	PR fortran/44054
2504	* include/line-map.h (linemap_position_for_loc_and_offset):
2505	Declare.
2506	* line-map.c (linemap_position_for_loc_and_offset): New.
2507
25082014-11-11  David Malcolm  <dmalcolm@redhat.com>
2509
2510	* ChangeLog.jit: New.
2511
25122014-11-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
2513
2514	* include/cpplib.h (cpp_callbacks): Add has_attribute.
2515	* internal.h (lexer_state): Add in__has_attribute__.
2516	* directives.c (lex_macro_node): Prevent use of __has_attribute__
2517	as a macro.
2518	* expr.c (parse_has_attribute): New function; (eval_token): Look for
2519	__has_attribute__ and route to parse_has_attribute.
2520	* identifiers.c (_cpp_init_hashtable): Initialize n__has_attribute__.
2521	* pch.c (cpp_read_state): Initialize n__has_attribute__.
2522	* traditional.c (enum ls): Add ls_has_attribute, ls_has_attribute_close;
2523	(_cpp_scan_out_logical_line): Attend to __has_attribute__.
2524
25252014-11-06  Joseph Myers  <joseph@codesourcery.com>
2526
2527	* include/cpp-id-data.h (struct cpp_macro): Update comment
2528	regarding parameters.
2529	* include/cpplib.h (struct cpp_macro_arg, struct cpp_identifier):
2530	Add spelling fields.
2531	(struct cpp_token): Update comment on macro_arg.
2532	* internal.h (_cpp_save_parameter): Add extra argument.
2533	(_cpp_spell_ident_ucns): New declaration.
2534	* lex.c (lex_identifier): Add SPELLING argument.  Set *SPELLING to
2535	original spelling of identifier.
2536	(_cpp_lex_direct): Update calls to lex_identifier.
2537	(_cpp_spell_ident_ucns): New function, factored out of
2538	cpp_spell_token.
2539	(cpp_spell_token): Adjust FORSTRING argument semantics to return
2540	original spelling of identifiers.  Use _cpp_spell_ident_ucns in
2541	!FORSTRING case.
2542	(_cpp_equiv_tokens): Check spellings of identifiers and macro
2543	arguments are identical.
2544	* macro.c (macro_arg_saved_data): New structure.
2545	(paste_tokens): Use original spellings of identifiers from
2546	cpp_spell_token.
2547	(_cpp_save_parameter): Add argument SPELLING.  Save both canonical
2548	node and its value.
2549	(parse_params): Update calls to _cpp_save_parameter.
2550	(lex_expansion_token): Save spelling of macro argument tokens.
2551	(_cpp_create_definition): Extract canonical node from saved data.
2552	(cpp_macro_definition): Use UCNs in spelling of macro name.  Use
2553	original spellings of macro argument tokens and identifiers.
2554	* traditional.c (scan_parameters): Update call to
2555	_cpp_save_parameter.
2556
25572014-11-05  Joseph Myers  <joseph@codesourcery.com>
2558
2559	PR preprocessor/9449
2560	* init.c (lang_defaults): Enable extended identifiers for C++ and
2561	C99-based standards.
2562
25632014-10-22  Alan Modra  <amodra@gmail.com>
2564
2565	* symtab.c (ht_create): Use obstack_specify_allocation in place of
2566	_obstack_begin.
2567	* files.c (_cpp_init_files): Likewise.
2568	* init.c (cpp_create_reader): Likewise.
2569	* identifiers.c (_cpp_init_hashtable): Likewise.
2570
25712014-10-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2572
2573	* include/line-map.h (linemap_location_from_macro_expansion_p):
2574	const struct line_maps * argument.
2575	(linemap_position_for_line_and_column): const struct line_map *
2576	argument.
2577	* line-map.c (linemap_add_macro_token): Use correct argument name
2578	in comment.
2579	(linemap_position_for_line_and_column): const struct line_map *
2580	argument.
2581	(linemap_macro_map_loc_to_def_point): Fix comment. Make static.
2582	(linemap_location_from_macro_expansion_p): const struct line_maps *
2583	argument.
2584	(linemap_resolve_location): Fix argument names in comment.
2585
25862014-10-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2587
2588	* lex.c (search_line_fast): Add new version to be used for Power8
2589	and later targets when Altivec is enabled.  Restrict the existing
2590	Altivec version to big-endian systems so that lvsr is not used on
2591	little endian, where it is deprecated.  Remove LE-specific code
2592	from the now-BE-only version.
2593
25942014-10-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2595	    Jeff Law  <law@redhat.com>
2596
2597	* charset.c (convert_no_conversion): Reallocate memory with 25%
2598	headroom.
2599
26002014-10-01  Edward Smith-Rowland  <3dw4rd@verizon.net>
2601
2602	Implement SD-6: SG10 Feature Test Recommendations
2603	* internal.h (lexer_state, spec_nodes): Add in__has_include__.
2604	* directives.c: Support __has_include__ builtin.
2605	* expr.c (parse_has_include): New function to parse __has_include__
2606	builtin; (eval_token()): Use it.
2607	* files.c (_cpp_has_header()): New funtion to look for header;
2608	(open_file_failed()): Not an error to not find a header file for
2609	__has_include__.
2610	* identifiers.c (_cpp_init_hashtable()): Add entry for __has_include__.
2611	* pch.c (cpp_read_state): Lookup __has_include__.
2612	* traditional.c (enum ls, _cpp_scan_out_logical_line()): Walk through
2613	__has_include__ statements.
2614
26152014-09-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2616
2617	PR preprocessor/58893
2618	* errors.c (cpp_diagnostic): Fix possible out of bounds access.
2619	* files.c (_cpp_stack_include): Initialize src_loc for IT_CMDLINE.
2620
26212014-09-24  Marek Polacek  <polacek@redhat.com>
2622
2623	PR c/61405
2624	PR c/53874
2625	* include/cpplib.h (enum cpp_ttype): Define CPP_KEYWORD.
2626
26272014-09-17  Jan Hubicka  <hubicka@ucw.cz>
2628
2629	* charset.c (conversion): Rename to ...
2630	(cpp_conversion): ... this one; update.
2631	* files.c (file_hash_entry): Rename to ...
2632	(cpp_file_hash_entry): ... this one ; update.
2633
26342014-09-17  Marek Polacek  <polacek@redhat.com>
2635
2636	PR c/61854
2637	* init.c (struct lang_flags): Remove cplusplus_comments.
2638	(cpp_set_lang): Likewise.
2639	(post_options): Likewise.
2640	* lex.c (_cpp_lex_direct): Disallow C++ style comments in C90/C94.
2641
26422014-09-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2643
2644	* include/cpplib.h (struct cpp_options): Declare warn_normalize as
2645	int instead of enum.
2646
26472014-09-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2648
2649	* macro.c (replace_args): Use cpp_pedwarning, cpp_warning and
2650	CPP_W flags.
2651	* include/cpplib.h: Add CPP_W_C90_C99_COMPAT and CPP_W_PEDANTIC.
2652	* init.c (cpp_create_reader): Do not init to -1 here.
2653	* expr.c (num_binary_op): Use cpp_pedwarning.
2654
26552014-08-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2656
2657	* directives.c (check_eol_1): New.
2658	(check_eol_endif_labels): New.
2659	(check_eol): Call check_eol_1.
2660	(do_else,do_endif): Call check_eol_endif_labels.
2661
26622014-08-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2663
2664	* macro.c (warn_of_redefinition): Suppress warnings for builtins
2665	that lack the NODE_WARN flag, unless Wbuiltin-macro-redefined.
2666	(_cpp_create_definition): Use Wbuiltin-macro-redefined for
2667	builtins that lack the NODE_WARN flag.
2668	* directives.c (do_undef): Likewise.
2669	* init.c (cpp_init_special_builtins): Do not change flags
2670	depending on Wbuiltin-macro-redefined.
2671
26722014-08-28  Edward Smith-Rowland  <3dw4rd@verizon.net>
2673
2674	PR cpp/23827 - standard C++ should not have hex float preprocessor
2675	tokens
2676	* libcpp/init.c (lang_flags): Change CXX98 flag for extended numbers
2677	from 1 to 0.
2678	* libcpp/expr.c (cpp_classify_number): Weite error message for improper
2679	use of hex floating literal.
2680
26812014-08-23  Edward Smith-Rowland  <3dw4rd@verizon.net>
2682
2683	* include/cpplib.h (enum c_lang): Add CLK_GNUCXX1Z, CLK_CXX1Z;
2684	Rename CLK_GNUCXX1Y, CLK_CXX1Y to CLK_GNUCXX14, CLK_CXX14;
2685	* init.c (struct lang_flags lang_defaults): Add column for trigraphs;
2686	Add rows for CLK_GNUCXX1Z, CLK_CXX1Z; (cpp_set_lang): Set trigraphs;
2687	(cpp_init_builtins): Set __cplusplus to 201402L for C++14;
2688	Set __cplusplus to 201500L for C++17.
2689	* expr.c (cpp_classify_number): Change C++1y to C++14 in binary
2690	constants error message.
2691
26922014-08-20  Marek Polacek  <polacek@redhat.com>
2693
2694	* include/cpplib.h (cpp_options): Use signed char.
2695	* lex.c (_cpp_lex_direct): Don't warn in C++ mode.
2696
26972014-08-19  Marek Polacek  <polacek@redhat.com>
2698
2699	* lex.c (_cpp_lex_direct): Fix a typo.
2700
27012014-08-19  Marek Polacek  <polacek@redhat.com>
2702
2703	* charset.c (_cpp_valid_ucn): Warn only if -Wc90-c99-compat.
2704	* lex.c (_cpp_lex_direct): Likewise.
2705	* macro.c (replace_args): Likewise.
2706	(parse_params): Likewise.
2707	* include/cpplib.h (cpp_options): Change cpp_warn_c90_c99_compat
2708	to char.
2709
27102014-08-10 Marek Polacek  <polacek@redhat.com>
2711
2712	PR c/51849
2713	* lex.c (_cpp_lex_direct): Warn when -Wc90-c99-compat is in effect.
2714	* charset.c (_cpp_valid_ucn): Likewise.
2715	* include/cpplib.h (cpp_options): Add cpp_warn_c90_c99_compat.
2716	* macro.c (replace_args): Warn when -Wc90-c99-compat is in effect.
2717	(parse_params): Likewise.
2718
27192014-07-27  Marek Polacek  <polacek@redhat.com>
2720
2721	PR c/61861
2722	* macro.c (builtin_macro): Add location parameter.  Set
2723	location of builtin macro to the expansion point.
2724	(enter_macro_context): Pass location to builtin_macro.
2725
27262014-07-16  Dodji Seketeli  <dodji@redhat.com>
2727
2728	Support location tracking for built-in macro tokens
2729	* include/line-map.h (line_maps::builtin_location): New data
2730	member.
2731	(line_map_init): Add a new parameter to initialize the new
2732	line_maps::builtin_location data member.
2733	* line-map.c (linemap_init): Initialize the
2734	line_maps::builtin_location data member.
2735	* macro.c (builtin_macro): Create a macro map and track the token
2736	resulting from the expansion of a built-in macro.
2737
27382014-07-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
2739	    Jonathan Wakely  <jwakely@redhat.com>
2740
2741	PR preprocessor/61389
2742	* macro.c (_cpp_arguments_ok, parse_params, create_iso_definition):
2743	Warning messages mention C++11 in c++ mode and C99 in c mode.
2744	* lex.c (lex_identifier_intern, lex_identifier): Ditto
2745
27462014-07-09  Edward Smith-Rowland  <3dw4rd@verizon.net>
2747
2748	PR c++/58155 - -Wliteral-suffix warns about tokens which are skipped
2749	by preprocessor
2750	* lex.c (lex_raw_string ()): Do not warn about invalid suffix
2751	if skipping. (lex_string ()): Ditto.
2752
27532014-06-04  Edward Smith-Rowland  <3dw4rd@verizon.net>
2754
2755	PR c++/61038
2756	* macro.c (stringify_arg (cpp_reader *, macro_arg *)):
2757	Combine user-defined escape logic with the other string and char logic.
2758
27592014-05-26  Richard Biener  <rguenther@suse.de>
2760
2761	* configure.ac: Remove long long and __int64 type checks,
2762	add check for uint64_t and fail if that wasn't found.
2763	* include/cpplib.h (cpp_num_part): Use uint64_t.
2764	* config.in: Regenerate.
2765	* configure: Likewise.
2766
27672014-05-21  Marek Polacek  <polacek@redhat.com>
2768
2769	PR c/61212
2770	* files.c (find_file_in_dir): Add parens around &&.
2771
27722014-05-20  Edward Smith-Rowland  <3dw4rd@verizon.net>
2773
2774	PR c++/61038
2775	* macro.c (stringify_arg (cpp_reader *, macro_arg *)):
2776	Check for user-defined literal strings and user-defined literal chars
2777	to escape necessary characters.
2778
27792014-05-20  Richard Biener  <rguenther@suse.de>
2780
2781	* configure.ac: Copy gcc logic of detecting a 64bit type.
2782	Remove HOST_WIDE_INT define.
2783	* include/cpplib.h: typedef cpp_num_part to a 64bit type,
2784	similar to how hwint.h does it.
2785	* config.in: Regenerate.
2786	* configure: Likewise.
2787
27882014-05-09  Joey Ye  <joey.ye@arm.com>
2789
2790	* files.c (find_file_in_dir): Always try to shorten for DOS
2791	non-system headers.
2792	* init.c (ENABLE_CANONICAL_SYSTEM_HEADERS): Default enabled for DOS.
2793
27942014-05-07  Richard Biener  <rguenther@suse.de>
2795
2796	* configure.ac: Always set need_64bit_hwint to yes.
2797	* configure: Regenerated.
2798
27992014-04-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2800
2801	* lex.c: Remove Solaris 9 reference.
2802
28032014-02-24  Walter Lee  <walt@tilera.com>
2804
2805	* configure.ac: Change "tilepro" triplet to "tilepro*".
2806	* configure: Regenerate.
2807
28082014-02-19  Jakub Jelinek  <jakub@redhat.com>
2809
2810	PR preprocessor/58844
2811	* macro.c (enter_macro_context): Only push
2812	macro_real_token_count (macro) tokens rather than
2813	macro->count tokens, regardless of
2814	CPP_OPTION (pfile, track-macro-expansion).
2815
28162014-02-07  Jakub Jelinek  <jakub@redhat.com>
2817
2818	PR preprocessor/56824
2819	* line-map.c (get_combined_adhoc_loc, linemap_get_expansion_line,
2820	linemap_get_expansion_filename, linemap_location_in_system_header_p,
2821	linemap_location_from_macro_expansion_p,
2822	linemap_macro_loc_to_spelling_point, linemap_macro_loc_to_def_point,
2823	linemap_macro_loc_to_exp_point, linemap_expand_location): Fix
2824	formatting.
2825	(linemap_compare_locations): Look through adhoc locations for both
2826	l0 and l1.
2827
28282014-01-23  Dodji Seketeli  <dodji@redhat.com>
2829
2830	PR PR preprocessor/58580
2831	* include/line-map.h (linemap_get_file_highest_location): Declare
2832	new function.
2833	* line-map.c (linemap_get_file_highest_location): Define it.
2834
28352014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2836
2837	Update copyright years
2838
28392013-12-09  Joseph Myers  <joseph@codesourcery.com>
2840
2841	PR preprocessor/55715
2842	* expr.c (num_binary_op): Implement subtraction directly rather
2843	than with negation and falling through into addition case.
2844
28452013-11-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2846
2847	* lex.c (search_line_fast): Correct for little endian.
2848
28492013-11-15  Joseph Myers  <joseph@codesourcery.com>
2850
2851	* ucnid.tab: Add C11 and C11NOSTART data.
2852	* makeucnid.c (digit): Rename enum value to N99.
2853	(C11, N11, all_languages): New enum values.
2854	(NUM_CODE_POINTS, MAX_CODE_POINT): New macros.
2855	(flags, decomp, combining_value): Use NUM_CODE_POINTS as array
2856	size.
2857	(decomp): Use unsigned int as element type.
2858	(all_decomp): New array.
2859	(read_ucnid): Handle C11 and C11NOSTART.  Use MAX_CODE_POINT.
2860	(read_table): Use MAX_CODE_POINT.  Store all decompositions in
2861	all_decomp.
2862	(read_derived): Use MAX_CODE_POINT.
2863	(write_table): Use NUM_CODE_POINTS.  Print N99, C11 and N11
2864	flags.  Print whole array variable declaration rather than just
2865	array contents.
2866	(char_id_valid, write_context_switch): New functions.
2867	(main): Call write_context_switch.
2868	* ucnid.h: Regenerate.
2869	* include/cpplib.h (struct cpp_options): Add c11_identifiers.
2870	* init.c (struct lang_flags): Add c11_identifiers.
2871	(cpp_set_lang): Set c11_identifiers option from selected language.
2872	* internal.h (struct normalize_state): Document "previous" as
2873	previous starter character.
2874	(NORMALIZE_STATE_UPDATE_IDNUM): Take character as argument.
2875	* charset.c (DIG): Rename enum value to N99.
2876	(C11, N11): New enum values.
2877	(struct ucnrange): Give name to struct.  Use short for flags and
2878	unsigned int for end of range.  Include ucnid.h for whole variable
2879	declaration.
2880	(ucn_valid_in_identifier): Allow for characters up to 0x10FFFF.
2881	Allow for C11 in determining valid characters and valid start
2882	characters.  Use check_nfc for non-Hangul context-dependent
2883	checks.  Only store starter characters in nst->previous.
2884	(_cpp_valid_ucn): Pass new argument to
2885	NORMALIZE_STATE_UPDATE_IDNUM.
2886	* lex.c (lex_identifier): Pass new argument to
2887	NORMALIZE_STATE_UPDATE_IDNUM.  Call NORMALIZE_STATE_UPDATE_IDNUM
2888	after initial non-UCN part of identifier.
2889	(lex_number): Pass new argument to NORMALIZE_STATE_UPDATE_IDNUM.
2890
28912013-11-15  Joseph Myers  <joseph@codesourcery.com>
2892
2893	* ucnid.tab: Mark C99 digits as [C99DIG].
2894	* makeucnid.c (read_ucnid): Handle [C99DIG].
2895	(read_table): Don't check for digit characters.
2896	* ucnid.h: Regenerate.
2897
28982013-11-06  Tobias Burnus  <burnus@net-b.de>
2899
2900	* macro.c (_cpp_builtin_macro_text): Correct
2901	wording of two warnings.
2902
29032013-11-05  Tobias Burnus  <burnus@net-b.de>
2904
2905	* include/cpplib.h (CPP_W_DATE_TIME): Added.
2906	(cpp_options): Add warn_date_time.
2907	* init.c (cpp_create_reader): Init it.
2908	* macro.c (_cpp_builtin_macro_text): Warn when
2909	__DATE__/__TIME__/__TIMESTAMP__ is used.
2910
29112013-10-31  Edward Smith-Rowland  <3dw4rd@verizon.net>
2912
2913	Implement C++14 digit separators.
2914	* include/cpplib.h (cpp_options): Add digit_separators flag.
2915	* internal.h (DIGIT_SEP(c)): New macro.
2916	* expr.c (cpp_classify_number): Check improper placement of digit sep;
2917	(cpp_interpret_integer): Skip over digit separators.
2918	* init.c (lang_flags): Add digit_separators flag; (lang_defaults): Add
2919	digit separator flags per language; (cpp_set_lang): Set
2920	digit_separators
2921	* lex.c (lex_number): Add digits separator to allowable characters for
2922	C++14.
2923
29242013-10-15  David Malcolm  <dmalcolm@redhat.com>
2925
2926	* Makefile.in (PICFLAG): New.
2927	(ALL_CFLAGS): Add PICFLAG.
2928	(ALL_CXXFLAGS): Likewise.
2929	* configure.ac: Add --enable-host-shared, setting up new
2930	PICFLAG variable.
2931	* configure: Regenerate.
2932
29332013-08-07  Richard Earnshaw  <rearnsha@arm.com>
2934
2935	* configure.ac: Set need_64bit_hwint for all arm targets.
2936	* configure: Regenerated.
2937
29382013-07-20  Jakub Jelinek  <jakub@redhat.com>
2939
2940	PR preprocessor/57620
2941	* lex.c (lex_raw_string): Undo phase1 and phase2 transformations
2942	between R" and final " rather than only in between R"del( and )del".
2943
29442013-07-10  Jakub Jelinek  <jakub@redhat.com>
2945
2946	PR preprocessor/57824
2947	* lex.c (lex_raw_string): Allow reading new-lines if
2948	in_deferred_pragma or if parsing_args and there is still
2949	data in the current buffer.
2950
2951	* include/cpplib.h (cpp_token_val_index): Change parameter type to
2952	const cpp_token *.
2953	* lex.c (cpp_token_val_index): Likewise.
2954
2955	PR preprocessor/57757
2956	* lex.c (cpp_avoid_paste): Avoid pasting CPP_{,W,UTF8}STRING
2957	or CPP_STRING{16,32} with CPP_NAME or SPELL_LITERAL token that
2958	starts if a-zA-Z_.
2959
29602013-06-28  Ed Smith-Rowland  <3dw4rd@verizon.net>
2961
2962	* lex.c (lex_raw_string(), lex_string()): Constrain suffixes treated
2963	as concatenated literal and macro to just the patterns found in
2964	inttypes.h; (is_macro()): New.
2965
29662013-06-24  Dehao Chen  <dehao@google.com>
2967
2968	* files.c (_cpp_stack_include): Fix the highest_location when header
2969	file is guarded by #ifndef and is included twice.
2970
29712013-04-28  Jakub Jelinek  <jakub@redhat.com>
2972
2973	N3472 binary constants
2974	* include/cpplib.h (struct cpp_options): Fix a typo in user_literals
2975	field comment.  Add binary_constants field.
2976	* init.c (struct lang_flags): Add binary_constants field.
2977	(lang_defaults): Add bin_cst column to the table.
2978	(cpp_set_lang): Initialize CPP_OPTION (pfile, binary_constants).
2979	* expr.c (cpp_classify_number): Talk about C++11 instead of C++0x
2980	in diagnostics.  Accept binary constants if
2981	CPP_OPTION (pfile, binary_constants) even when pedantic.  Adjust
2982	pedwarn message.
2983
29842013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>
2985
2986	* include/cpplib.h (enum c_lang): Add CLK_GNUCXX1Y and CLK_CXX1Y.
2987	* init.c (lang_defaults): Add defaults for the latter.
2988	(cpp_init_builtins): Define __cplusplus as 201300L for the latter.
2989	* lex.c (_cpp_lex_direct): Update.
2990
29912013-04-03  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2992
2993	PR target/56771
2994	* configure.ac: Require 64-bit int for arm*-*-rtems*.
2995	* configure: Regenerate.
2996
29972013-03-06  Jakub Jelinek  <jakub@redhat.com>
2998
2999	PR middle-end/56461
3000	* internal.h (struct cpp_buffer): Add to_free field.
3001	(_cpp_pop_file_buffer): Add third argument.
3002	* files.c (_cpp_stack_file): Set buffer->to_free.
3003	(_cpp_pop_file_buffer): Add to_free argument.  Free to_free
3004	if non-NULL, and if equal to file->buffer_start, also clear
3005	file->buffer{,_start,_valid}.
3006	* directives.c (_cpp_pop_buffer): Pass buffer->to_free
3007	to _cpp_pop_file_buffer.
3008
30092013-03-01  Jakub Jelinek  <jakub@redhat.com>
3010
3011	PR middle-end/56461
3012	* files.c (_cpp_save_file_entries): Free result at the end.
3013	* pch.c (cpp_string_free): New function.
3014	(cpp_save_state): Use it in htab_create call.
3015	(cpp_write_pch_deps): Free ss->defs.  Destroy ss->definedhash.
3016
30172013-02-28  Jakub Jelinek  <jakub@redhat.com>
3018
3019	* files.c (_cpp_find_file): If returning early, before storing
3020	something to *hash_slot and *hash_slot is NULL, call htab_clear_slot
3021	on it.  Access *hash_slot using void * type rather than
3022	struct file_hash_entry * to avoid aliasing issues.
3023
3024	* configure.ac: Don't define ENABLE_CHECKING whenever
3025	--enable-checking is seen, instead use similar --enable-checking=yes
3026	vs. --enable-checking=release default as gcc/ subdir has and
3027	define ENABLE_CHECKING if ENABLE_CHECKING is defined in gcc/.
3028	Define ENABLE_VALGRIND_CHECKING if requested.
3029	* lex.c (new_buff): If ENABLE_VALGRIND_CHECKING, put _cpp_buff
3030	struct first in the allocated buffer and result->base after it.
3031	(_cpp_free_buff): If ENABLE_VALGRIND_CHECKING, free buff itself
3032	instead of buff->base.
3033	* config.in: Regenerated.
3034	* configure: Regenerated.
3035
30362013-02-13  Ed Smith-Rowland  <3dw4rd@verizon.net>
3037
3038	PR c++/55582
3039	* lex.c (lex_raw_string): Allow string literal with suffix
3040	beginning with 's' to be parsed as a C++11 user-defined literal.
3041
30422013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>
3043
3044	Update copyright years.
3045
30462013-01-04  Paolo Carlini  <paolo.carlini@oracle.com>
3047
3048	PR c++/54526 (again)
3049	* lex.c (_cpp_lex_direct): In C++11 mode, implement 2.5 p3, bullet 2.
3050
30512013-01-03  Marc Glisse  <marc.glisse@inria.fr>
3052
3053	PR bootstrap/50177
3054	* line-map.c (get_combined_adhoc_loc): Cast from extern "C" type.
3055	(new_linemap): Likewise.
3056	(linemap_enter_macro): Likewise.
3057
30582012-12-03  Jakub Jelinek  <jakub@redhat.com>
3059
3060	PR bootstrap/55380
3061	PR other/54691
3062	* files.c (read_file_guts): Allocate extra 16 bytes instead of
3063	1 byte at the end of buf.  Pass size + 16 instead of size
3064	to _cpp_convert_input.
3065	* charset.c (_cpp_convert_input): Reallocate if there aren't
3066	at least 16 bytes beyond to.len in the buffer.  Clear 16 bytes
3067	at to.text + to.len.
3068
30692012-11-21  Steve Ellcey  <sellcey@mips.com>
3070
3071	PR pch/55399
3072	* files.c (pch_open_file): Fix check for implicit_preinclude.
3073
30742012-11-16  Simon Baldwin  <simonb@google.com>
3075
3076	* include/cpplib.h (struct cpp_options): Add canonical_system_headers.
3077	* files.c (find_file_in_dir): Call maybe_shorter_path() only if
3078	canonical_system_headers is set.
3079	* init.c (cpp_create_reader): Initialize canonical_system_headers.
3080	* configure.ac: Add new --enable-canonical-system-headers.
3081	* configure: Regenerate.
3082	* config.in: Regenerate.
3083
30842012-11-09  Ed Smith-Rowland  <3dw4rd@verizon.net>
3085
3086	PR c++/54413
3087	* include/cpplib.h (cpp_interpret_float_suffix): Add cpp_reader* arg.
3088	(cpp_interpret_int_suffix): Add cpp_reader* arg.
3089	* init.c (cpp_create_reader): Iitialize new flags.
3090	* expr.c (interpret_float_suffix): Use new flags.
3091	(cpp_interpret_float_suffix): Add cpp_reader* arg.
3092	(interpret_int_suffix): Use new flags.
3093	(cpp_interpret_int_suffix): Add cpp_reader* arg.
3094	(cpp_classify_number): Adjust calls to interpret_x_suffix.
3095
30962012-10-23  Ian Bolton  <ian.bolton@arm.com>
3097	    Jim MacArthur  <jim.macarthur@arm.com>
3098	    Marcus Shawcroft  <marcus.shawcroft@arm.com>
3099	    Nigel Stephens  <nigel.stephens@arm.com>
3100	    Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3101	    Richard Earnshaw  <rearnsha@arm.com>
3102	    Sofiane Naci  <sofiane.naci@arm.com>
3103	    Stephen Thomas  <stephen.thomas@arm.com>
3104	    Tejas Belagod  <tejas.belagod@arm.com>
3105	    Yufeng Zhang  <yufeng.zhang@arm.com>
3106
3107	* configure.ac: Enable AArch64.
3108	* configure: Regenerate.
3109
31102012-10-23  Joseph Myers  <joseph@codesourcery.com>
3111
3112	* files.c (struct _cpp_file): Add implicit_preinclude.
3113	(pch_open_file): Allow a previously opened implicitly included
3114	file.
3115	(_cpp_find_file): Add implicit_preinclude argument.  Free file and
3116	do not call open_file_failed if implicit_preinclude.  Store
3117	implicit_preinclude value.
3118	(_cpp_stack_include, _cpp_fake_include, _cpp_compare_file_date):
3119	Update calls to _cpp_find_file.
3120	(_cpp_stack_include): Handle IT_DEFAULT.
3121	(cpp_push_default_include): New.
3122	* include/cpplib.h (cpp_push_default_include): Declare.
3123	* init.c (cpp_read_main_file): Update call to _cpp_find_file.
3124	* internal.h (enum include_type): Add IT_DEFAULT.
3125	(_cpp_find_file): Update prototype.
3126
31272012-10-15  Tobias Burnus  <burnus@net-b.de>
3128
3129	* files.c (read_file_guts, _cpp_save_file_entries): Free memory
3130	before returning.
3131	* lex.c (warn_about_normalization): Ditto.
3132	* mkdeps.c (deps_save): Ditto.
3133	* pch.c (cpp_valid_state): Ditto.
3134
31352012-10-04  Florian Weimer  <fweimer@redhat.com>
3136
3137	* directives.c (do_pragma_warning_or_error): New.
3138	(do_pragma_warning): New.
3139	(do_pragma_error): New.
3140	(_cpp_init_internal_pragmas): Register new pragmas.
3141
31422012-09-25  Dehao Chen  <dehao@google.com>
3143
3144	PR middle-end/54704
3145	* line-map.c (location_adhoc_data_hash): Fix the hash function.
3146
31472012-09-25  Dehao Chen  <dehao@google.com>
3148
3149	PR middle-end/54645
3150	* include/line-map.h (location_adhoc_data): Move location_adhoc_data
3151	into GC.
3152	(location_adhoc_data_map): Likewise.
3153	(line_maps): Likewise.
3154	(rebuild_location_adhoc_htab): New Function.
3155	* line-map.c (+rebuild_location_adhoc_htab): new Funcion.
3156	(get_combined_adhoc_loc): Move location_adhoc_data into GC.
3157	(location_adhoc_data_fini): Likewise.
3158	(linemap_init): Likewise.
3159	(location_adhoc_data_init): Remove Function.
3160
31612012-09-19  Dehao Chen  <dehao@google.com>
3162
3163	* include/line-map.h (MAX_SOURCE_LOCATION): New value.
3164	(location_adhoc_data_fini): New.
3165	(get_combined_adhoc_loc): New.
3166	(get_data_from_adhoc_loc): New.
3167	(get_location_from_adhoc_loc): New.
3168	(location_adhoc_data_map): New.
3169	(COMBINE_LOCATION_DATA): New.
3170	(IS_ADHOC_LOC): New.
3171	(expanded_location): New field.
3172	(line_maps): New field.
3173	* line-map.c (location_adhoc_data): New.
3174	(location_adhoc_data_hash): New.
3175	(location_adhoc_data_eq): New.
3176	(location_adhoc_data_update): New.
3177	(get_combined_adhoc_loc): New.
3178	(get_data_from_adhoc_loc): New.
3179	(get_location_from_adhoc_loc): New.
3180	(location_adhoc_data_init): New.
3181	(location_adhoc_data_fini): New.
3182	(linemap_init): Initialize location_adhoc_data.
3183	(linemap_lookup): Change to use new location.
3184	(linemap_ordinary_map_lookup): Likewise.
3185	(linemap_macro_map_lookup): Likewise.
3186	(linemap_macro_map_loc_to_def_point): Likewise.
3187	(linemap_macro_map_loc_unwind_toward_spel): Likewise.
3188	(linemap_get_expansion_line): Likewise.
3189	(linemap_get_expansion_filename): Likewise.
3190	(linemap_location_in_system_header_p): Likewise.
3191	(linemap_location_from_macro_expansion_p): Likewise.
3192	(linemap_macro_loc_to_spelling_point): Likewise.
3193	(linemap_macro_loc_to_def_point): Likewise.
3194	(linemap_macro_loc_to_exp_point): Likewise.
3195	(linemap_resolve_location): Likewise.
3196	(linemap_unwind_toward_expansion): Likewise.
3197	(linemap_unwind_to_first_non_reserved_loc): Likewise.
3198	(linemap_expand_location): Likewise.
3199	(linemap_dump_location): Likewise.
3200	(linemap_line_start): Likewise.
3201
32022012-05-25  Dodji Seketeli  <dodji@redhat.com>
3203
3204	PR preprocessor/53469
3205	* directives.c (do_pragma): Use the virtual location for the
3206	pragma token, instead of its spelling location.
3207
32082012-08-14   Diego Novillo  <dnovillo@google.com>
3209
3210	Merge from cxx-conversion branch.  Configury.
3211
3212	* Makefile.in: Remove all handlers of ENABLE_BUILD_WITH_CXX.
3213	* configure.ac: Likewise.
3214	* configure: Regenerate.
3215
32162012-08-14   Lawrence Crowl  <crowl@google.com>
3217
3218	Merge from cxx-conversion branch.  New C++ hash table.
3219
3220	* include/symtab.h (typedef struct ht hash_table): Change the typedef
3221	name to cpp_hash_table.  Update all users of the typedef.
3222
32232012-07-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3224
3225	* include/line-map.h (line_map_macro): Use the "atomic" GTY option
3226	for the macro_locations field.
3227
32282011-06-19  Uros Bizjak  <ubizjak@gmail.com>
3229
3230	* lex.c (search_line_sse42): Use __builtin_ia32_loaddqu and
3231	__builtin_ia32_pcmpestri128 instead of asm.
3232
32332012-06-04  Dimitrios Apostolou <jimis@gmx.net>
3234
3235	* line-map.c (linemap_enter_macro): Don't zero max_column_hint in
3236	every macro. This improves performance by reducing the number of
3237	reallocations when track-macro-expansion is on.
3238
32392012-06-04  Dodji Seketeli  <dodji@redhat.com>
3240
3241	PR preprocessor/53463
3242	* line-map.c (linemap_location_in_system_header_p): For built-in
3243	macro tokens, check the first expansion point location that is not
3244	for a token coming from a built-in macro.
3245
32462012-05-29  Joseph Myers  <joseph@codesourcery.com>
3247
3248	* directives.c: Fix typos.
3249	* include/line-map.h: Fix typos.
3250	* line-map.c: Fix typos.
3251	* macro.c: Fix typos.
3252
32532012-05-25  Dodji Seketeli  <dodji@redhat.com>
3254
3255	PR bootstrap/53459
3256	* lex.c (search_line_fast): Avoid unused local typedefs to simulate
3257	a static assertion.
3258
32592012-05-29  Dodji Seketeli  <dodji@redhat.com>
3260
3261	PR preprocessor/53229
3262	* internal.h (cpp_reader::set_invocation_location): Remove.
3263	(cpp_reader::about_to_expand_macro_p): New member flag.
3264	* directives.c (do_pragma):  Remove Kludge as
3265	pfile->set_invocation_location is no more.
3266	* macro.c (cpp_get_token_1): Do away with the use of
3267	cpp_reader::set_invocation_location.  Just collect the macro
3268	expansion point when we are about to expand the top-most macro.
3269	Do not override cpp_reader::about_to_expand_macro_p.
3270	This fixes gcc.dg/cpp/paste12.c by making get_token_no_padding
3271	properly handle locations of expansion points.
3272	(cpp_get_token_with_location): Adjust, as
3273	cpp_reader::set_invocation_location is no more.
3274	(paste_tokens): Take a virtual location parameter for
3275	the LHS of the pasting operator.  Use it in diagnostics.  Update
3276	comments.
3277	(paste_all_tokens): Tighten the assert.  Propagate the location of
3278	the expansion point when no virtual locations are available.
3279	Pass the virtual location to paste_tokens.
3280	(in_macro_expansion_p): New static function.
3281	(enter_macro_context): Set the cpp_reader::about_to_expand_macro_p
3282	flag until we really start expanding the macro.
3283
32842012-05-16  Dodji Seketeli  <dodji@redhat.com>
3285
3286	PR preprocessor/7263
3287	* include/cpplib.h (cpp_classify_number): Take a location
3288	parameter.
3289	* expr.c (SYNTAX_ERROR_AT, SYNTAX_ERROR2_AT): New diagnostic
3290	macros that take a location parameter.
3291	(cpp_classify_number): Take a (virtual) location parameter.  Use
3292	it for diagnostics.  Adjust comments.
3293	(eval_token): Take a location parameter.  Pass it to
3294	cpp_classify_number and to diagnostic routines.
3295	(_cpp_parse_expr): Use virtual locations of tokens when parsing
3296	expressions.  Pass a virtual location to eval_token and to
3297	diagnostic routines.
3298
32992012-05-10  Tristan Gingold  <gingold@adacore.com>
3300
3301	* expr.c (interpret_float_suffix): Add a guard.
3302
33032012-05-02  Dodji Seketeli  <dodji@redhat.com>
3304
3305	Properly initialize cpp_context in destringize_and_run
3306	* directives.c (destringize_and_run): Properly initialize the new
3307	context.
3308	* macro.c (_cpp_pop_context): Assert that we shouldn't try to pop
3309	the initial base context, which has the same life time as the
3310	current instance of cpp_file.
3311
33122012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3313	    Dodji Seketeli  <dodji@seketeli.org>
3314
3315	PR c++/52974
3316	* libcpp/files.c (maybe_shorter_path): New.
3317	(find_file_in_dir): Use it.
3318
33192012-04-30  Dodji Seketeli  <dodji@redhat.com>
3320
3321	Switch -ftrack-macro-expansion=2 on by default.
3322	* init.c (cpp_create_reader): Switch -ftrack-macro-expansion=2 on
3323	by default.  Add comments.
3324
3325	Strip "<built-in>" loc from displayed expansion context
3326	* include/line-map.h (linemap_unwind_toward_expansion): Fix typo
3327	in comment.
3328	(linemap_unwind_to_first_non_reserved_loc): Declare new function.
3329	* line-map.c (linemap_unwind_to_first_non_reserved_loc): Define
3330	new function.
3331
3332	Fix expansion point loc for macro-like tokens
3333	* macro.c (macro_of_context): New static function.
3334	(_cpp_push_token_context, push_extended_tokens_context): If the
3335	macro argument is NULL, it means we are continuing the expansion
3336	of the current macro, if any.  Update comments.
3337	(_cpp_pop_context): Re-enable expansion of the macro only when we
3338	are really out of the context of the current expansion.
3339
3340	Fix token pasting with -ftrack-macro-expansion
3341	* macro.c (paste_all_tokens): Put the token resulting from pasting
3342	into an extended token context with -ftrack-macro-location is in
3343	effect.
3344
3345	Fix cpp_sys_macro_p with -ftrack-macro-expansion
3346	* macro.c (cpp_sys_macro_p):  Support -ftrack-macro-expansion.
3347
33482012-04-29  Dodji Seketeli  <dodji@redhat.com>
3349
3350	* lex.c (lex_raw_string): Change C++ style comments into C style
3351	comments.
3352	(lex_string): Likewise.
3353
33542012-04-27   Ollie Wild  <aaw@google.com>
3355
3356	* include/cpplib.h (struct cpp_options): Add new field,
3357	warn_literal_suffix.
3358	(CPP_W_LITERAL_SUFFIX): New enum.
3359	* init.c (cpp_create_reader): Default initialization of
3360	warn_literal_suffix.
3361	* lex.c (lex_raw_string): Treat user-defined literals which don't
3362	begin with '_' as separate tokens and produce a warning.
3363	(lex_string): Ditto.
3364
33652012-04-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3366
3367	* line-map.c (linemap_resolve_location): Synchronize comments with
3368	those in line-map.h.
3369	* include/line-map.h (linemap_resolve_location): Fix spelling in
3370	comment.
3371
33722012-03-22  Richard Earnshaw  <rearnsha@arm.com>
3373
3374	* lex.c (search_line_fast): Provide Neon-optimized version for ARM.
3375
33762012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3377
3378	* lex.c: Remove Solaris 8 reference.
3379
33802012-02-14  Walter Lee  <walt@tilera.com>
3381
3382	* configure.ac: Require 64-bit hwint for tilegx and tilepro.
3383	* configure: Regenerate.
3384
33852012-01-09  Richard Guenther  <rguenther@suse.de>
3386
3387	* macro.c (_cpp_builtin_macro_text): Remove unused variable map.
3388
33892012-01-09  Gary Funck  <gary@intrepid.com>
3390
3391	PR preprocessor/33919
3392	* files.c (_cpp_get_file_name): New. Implement file name
3393	access function.
3394	* internal.h (_cpp_get_file_name): New prototype.
3395	* macro.c (_cpp_builtin_macro_text): Call _cpp_get_file_name()
3396	to use pfile->main_file in lieu of traversing INCLUDED_FROM chain.
3397
33982012-01-03  Olivier Hainque  <hainque@adacore.com>
3399
3400	* system.h: Prior to #define, #undef fopen and freopen unconditionally.
3401
34022011-12-20  Joseph Myers  <joseph@codesourcery.com>
3403
3404	* include/cpplib.h (CLK_GNUC1X): Change to CLK_GNUC11.
3405	(CLK_STDC1X): Change to CLK_STDC11.
3406	* init.c (lang_defaults): Update comments.
3407	(cpp_init_builtins): Update language tests.  Use 201112L for C11
3408	__STDC_VERSION__.
3409
34102011-12-20  Andreas Schwab  <schwab@linux-m68k.org>
3411
3412	* configure: Regenerate.
3413
34142011-12-19  Andreas Schwab  <schwab@linux-m68k.org>
3415
3416	* configure: Regenerate.
3417
34182011-12-07  Jakub Jelinek  <jakub@redhat.com>
3419
3420	PR bootstrap/50237
3421	* internal.h (_cpp_init_lexer): New prototype.
3422	* init.c (init_library): Call it.
3423	* lex.c (init_vectorized_lexer): Remove constructor attribute,
3424	add inline keyword.
3425	(HAVE_init_vectorized_lexer): Define.
3426	(_cpp_init_lexer): New function.
3427
34282011-12-03  Dodji Seketeli  <dodji@redhat.com>
3429
3430	* macro.c (tokens_buff_remove_last_token)
3431	(tokens_buff_put_token_to): Add an 'inline' function specifier to
3432	the prototype.
3433
34342011-11-22   Diego Novillo  <dnovillo@google.com>
3435
3436	* include/line-map.h (linemap_dump): Declare.
3437	(line_table_dump): Declare.
3438	* line-map.c (linemap_dump): New.
3439	(line_table_dump): New.
3440
34412011-11-21  Ed Smith-Rowland  <3dw4rd@verizon.net>
3442
3443	PR c++/50958
3444	* expr.c (cpp_userdef_char_remove_type): Fix typo.
3445
34462011-11-03  Michael Matz  <matz@suse.de>
3447
3448	PR bootstrap/50857
3449	* configure.ac: Check for -fno-exceptions -fno-rtti.
3450	* configure: Regenerate.
3451	* Makefile.in (NOEXCEPTION_FLAGS): New flag.
3452	(ALL_CXXFLAGS): Use it.
3453
34542011-11-02  Paolo Carlini  <paolo.carlini@oracle.com>
3455
3456	* internal.h (uxstrdup, ustrchr): Return const unsigned char *.
3457
34582011-11-02  Jason Merrill  <jason@redhat.com>
3459
3460	PR c++/50810
3461	* configure.ac: Add -Wno-narrowing to warning options.
3462
34632011-10-31  Jason Merrill  <jason@redhat.com>
3464
3465	PR libstdc++/1773
3466	* init.c (cpp_init_builtins): Set __cplusplus for C++11.
3467
3468	PR c++/50920
3469	* include/cpplib.h (enum c_lang): Rename CLK_CXX0X to CLK_CXX11,
3470	CLK_GNUCXX0X to CLK_GNUCXX11.
3471
34722011-10-26  Ed Smith-Rowland  <3dw4rd@verizon.net>
3473
3474	Implement C++11 user-defined literals.
3475	* expr.c: (cpp_interpret_float_suffix, cpp_interpret_int_suffix,
3476	cpp_userdef_string_remove_type, cpp_userdef_string_add_type,
3477	cpp_userdef_char_remove_type, cpp_userdef_char_add_type,
3478	cpp_userdef_string_p, cpp_userdef_char_p, cpp_get_userdef_suffix): New.
3479	(cpp_classify_number): Classify unrecognized tokens as user-defined
3480	literals.
3481	* include/cpplib.h: Add new tokens for user-defined literals.
3482	* init.c: Add new preprocessor flag (cxx11).
3483	* lex.c: (lex_string, lex_raw_string): Handle user-defined literals
3484	including concatenation and promotion with suffixes.
3485
34862011-10-24  Dodji Seketeli  <dodji@redhat.com>
3487
3488	* line-map.c (linemap_macro_map_lookup): Fix logic.
3489
34902011-10-24  Dodji Seketeli  <dodji@redhat.com>
3491
3492	* include/line-map.h (linemap_expand_location): Take a line table
3493	parameter.  Update comment.
3494	(linemap_resolve_location): Update comment.
3495	(linemap_expand_location_full): Remove.
3496	* line-map.c (linemap_resolve_location):  Handle reserved
3497	locations; return a NULL map in those cases.
3498	(linemap_expand_location): If location is reserved, return a
3499	zeroed expanded location.  Update comment.  Take a line table to
3500	assert that the function takes non-virtual locations only.
3501	(linemap_expand_location_full): remove.
3502	(linemap_dump_location): Handle the fact that
3503	linemap_resolve_location can return NULL line maps when the
3504	location resolves to a reserved location.
3505
3506	* line-map.c (linemap_macro_map_lookup): Fix logic.
3507
35082011-10-22  Dodji Seketeli  <dodji@redhat.com>
3509
3510	PR bootstrap/50778
3511	* include/internal.h (_cpp_remaining_tokens_num_in_context): Take the
3512	context to act upon.
3513	* lex.c (_cpp_remaining_tokens_num_in_context): Likewise.  Update
3514	comment.
3515	(cpp_token_from_context_at): Likewise.
3516	(cpp_peek_token): Use the context to peek tokens from.
3517
35182011-10-20  Dodji Seketeli  <dodji@redhat.com>
3519
3520	PR bootstrap/50801
3521	* lex.c (_cpp_remaining_tokens_num_in_context): Fix computation of
3522	number of tokens.
3523
35242011-10-18  Dodji Seketeli  <dodji@redhat.com>
3525
3526	PR bootstrap/50760
3527	* include/line-map.h (struct linemap_stats): Change the type of
3528	the members from size_t to long.
3529	* macro.c (macro_arg_token_iter_init): Unconditionally initialize
3530	iter->location_ptr.
3531
35322011-10-17  Dodji Seketeli  <dodji@redhat.com>
3533
3534	* line-map.c (linemap_macro_map_loc_to_exp_point): Avoid setting a
3535	variable without using it if ENABLE_CHECKING is not defined.  Mark
3536	the LOCATION parameter as being unused.
3537
35382011-10-15  Tom Tromey  <tromey@redhat.com>
3539	    Dodji Seketeli  <dodji@redhat.com>
3540
3541	* include/line-map.h (struct line_maps::alloced_size_for_request):
3542	New member.
3543	* line-map.c (new_linemap): Use set->alloced_size_for_request to
3544	get the actual allocated size of line maps.
3545
35462011-10-15  Tom Tromey  <tromey@redhat.com>
3547	    Dodji Seketeli  <dodji@redhat.com>
3548
3549	* line-map.h (struct linemap_stats): Declare new struct.
3550	(linemap_get_statistics): Declare ...
3551	* line-map.c (linemap_get_statistics):  ... new function.
3552	* macro.c (num_expanded_macros_counter, num_macro_tokens_counter):
3553	Declare new counters.
3554	(enter_macro_context, replace_args): Update
3555	num_macro_tokens_counter.
3556	(cpp_get_token_1): Update num_expanded_macros_counter.
3557
35582011-10-15  Tom Tromey  <tromey@redhat.com>
3559	    Dodji Seketeli  <dodji@redhat.com>
3560
3561	* include/cpplib.h (struct cpp_options)<debug>: New struct member.
3562	* include/line-map.h (linemap_dump_location): Declare ...
3563	* line-map.c (linemap_dump_location): ... new function.
3564
35652011-10-15  Tom Tromey  <tromey@redhat.com>
3566	    Dodji Seketeli  <dodji@redhat.com>
3567
3568	* include/cpplib.h (struct cpp_options)<track_macro_expansion>:
3569	New option.
3570	* internal.h (struct macro_context): New struct.
3571	(enum context_tokens_kind): New enum.
3572	(struct cpp_context)<tokens_kind>: New member of type enum
3573	context_tokens_kind.
3574	(struct cpp_context)<macro>: Remove this.  Replace it with an enum
3575	of macro and  macro_context.
3576	(struct cpp_context)<direct_p>: Remove.
3577	(_cpp_remaining_tokens_num_in_context): Declare new function.
3578	* directives.c (destringize_and_run): Adjust.
3579	* lex.c (_cpp_remaining_tokens_num_in_context)
3580	(_cpp_token_from_context_at): Define new functions
3581	(cpp_peek_token): Use them.
3582	* init.c (cpp_create_reader): Initialize the base context to zero.
3583	(_cpp_token_from_context_at): Define new static function.
3584	(cpp_peek_token): Use new _cpp_remaining_tokens_num_in_context and
3585	_cpp_token_from_context_at.
3586	* macro.c (struct macro_arg)<virt_locs, expanded_virt_locs>: New
3587	members.
3588	(enum macro_arg_token_kind): New enum.
3589	(struct macro_arg_token_iter): New struct.
3590	(maybe_adjust_loc_for_trad_cpp, push_extended_tokens_context)
3591	(alloc_expanded_arg_mem, ensure_expanded_arg_room)
3592	(delete_macro_args, set_arg_token, get_arg_token_location)
3593	(arg_token_ptr_at, macro_arg_token_iter_init)
3594	(macro_arg_token_iter_get_token)
3595	(macro_arg_token_iter_get_location, macro_arg_token_iter_forward)
3596	(expanded_token_index, tokens_buff_new, tokens_buff_count)
3597	(tokens_buff_last_token_ptr, tokens_buff_put_token_to)
3598	(tokens_buff_add_token, tokens_buff_remove_last_token)
3599	(reached_end_of_context, consume_next_token_from_context): New
3600	static functions.
3601	(cpp_get_token_1): New static function. Split and extended from
3602	cpp_get_token.  Use reached_end_of_context and
3603	consume_next_token_from_context.  Unify its return point.  Move
3604	the location tweaking from cpp_get_token_with_location in here.
3605	(cpp_get_token): Use cpp_get_token_1
3606	(stringify_arg): Use the new arg_token_at.
3607	(paste_all_tokens): Support tokens coming from extended tokens
3608	contexts.
3609	(collect_args): Return the number of collected arguments, by
3610	parameter.  Store virtual locations of tokens that constitute the
3611	collected args.
3612	(funlike_invocation_p): Return the number of collected arguments,
3613	by parameter.
3614	(enter_macro_context): Add a parameter for macro expansion point.
3615	Pass it to replace_args and to the "used" cpp callback.  Get the
3616	number of function-like macro arguments from funlike_invocation_p,
3617	pass it to the new delete_macro_args to free the memory used by
3618	macro args.  When -ftrack-macro-expansion is in effect, for macros
3619	that have no arguments, create a macro map for the macro expansion
3620	and use it to allocate proper virtual locations for tokens
3621	resulting from the expansion.  Push an extended tokens context
3622	containing the tokens resulting from macro expansion and their
3623	virtual locations.
3624	(replace_args): Rename the different variables named 'count' into
3625	variables with more meaningful names.  Create a macro map;
3626	allocate virtual locations of tokens resulting from this
3627	expansion.  Use macro_arg_token_iter to iterate over tokens of a
3628	given macro.  Handle the case of the argument of
3629	-ftrack-macro-expansion being < 2.  Don't free macro arguments
3630	memory resulting from expand_arg here, as these are freed by the
3631	caller of replace_arg using delete_macro_args now.  Push extended
3632	token context.
3633	(next_context, push_ptoken_context, _cpp_push_token_context)
3634	(_cpp_push_text_context): Properly initialize the context.
3635	(expand_arg): Use the new alloc_expanded_arg_mem,
3636	push_extended_tokens_context, cpp_get_token_1, and set_arg_token.
3637	(_cpp_pop_context): Really free the memory held by the context.
3638	Handle freeing memory used by extended tokens contexts.
3639	(cpp_get_token_with_location): Use cpp_get_token_1.
3640	(cpp_sys_macro_p): Adjust.
3641	(_cpp_backup_tokens): Support the new kinds of token contexts.
3642	* traditional.c (recursive_macro): Adjust.
3643
36442011-10-15  Tom Tromey  <tromey@redhat>
3645	    Dodji Seketeli  <dodji@redhat.com>
3646
3647	* include/line-map.h (enum lc_reason)<LC_ENTER_MACRO>: New enum
3648	member.
3649	(MAX_SOURCE_LOCATION): New constant.
3650	(struct line_map_ordinary, struct line_map_macro): New structs.
3651	(struct line_map): Turn this into a union of the two above.  Add
3652	comments.
3653	(struct maps_info): New struct.
3654	(struct line_maps)<info_ordinary, info_macro>: Two new fields.
3655	These now carry the map information that was previously scattered
3656	in struct line_maps.
3657	(struct map_info::allocated): Fix comment.
3658	(MAP_START_LOCATION, ORDINARY_MAP_FILE_NAME)
3659	(ORDINARY_MAP_STARTING_LINE_NUMBER)
3660	(ORDINARY_MAP_INCLUDER_FILE_INDEX)
3661	(ORDINARY_MAP_IN_SYSTEM_HEADER_P)
3662	(ORDINARY_MAP_NUMBER_OF_COLUMN_BITS, MACRO_MAP_MACRO)
3663	(MACRO_MAP_NUM_MACRO_TOKENS MACRO_MAP_LOCATIONS)
3664	(MACRO_MAP_EXPANSION_POINT_LOCATION)
3665	(LOCATION_POSSIBLY_IN_MACRO_MAP_P, LINEMAPS_MAP_INFO)
3666	(LINEMAPS_MAPS, LINEMAPS_ALLOCATE, LINEMAPS_USED, LINEMAPS_CACHE)
3667	(LINEMAPS_LAST_MAP, LINEMAPS_LAST_ALLOCATED_MAP)
3668	(LINEMAPS_ORDINARY_MAPS, LINEMAPS_ORDINARY_ALLOCATED)
3669	(LINEMAPS_ORDINARY_USED, LINEMAPS_ORDINARY_CACHE)
3670	(LINEMAPS_LAST_ORDINARY_MAP, LINEMAPS_LAST_ALLOCATED_ORDINARY_MAP)
3671	(LINEMAPS_MACRO_MAPS, LINEMAPS_MACRO_ALLOCATED)
3672	(LINEMAPS_MACRO_USED, LINEMAPS_MACRO_CACHE)
3673	(LINEMAPS_LAST_MACRO_MAP, LINEMAPS_LAST_ALLOCATED_MACRO_MAP)
3674	(LINEMAPS_MAP_AT, LINEMAPS_ORDINARY_MAP_AT)
3675	(LINEMAPS_MACRO_MAP_AT): New accessors for ordinary and macro map
3676	information.
3677	(linemap_check_ordinary, linemap_assert)
3678	(linemap_location_before_p): New macros.
3679	(linemap_position_for_line_and_column)
3680	(linemap_tracks_macro_expansion_locs_p, linemap_add_macro_token)
3681	(linemap_macro_expansion_map_p)
3682	(linemap_macro_map_loc_to_def_point)
3683	(linemap_macro_map_loc_unwind_once)
3684	(linemap_macro_map_loc_to_exp_point, linemap_step_out_once)
3685	(linemap_get_source_line linemap_get_source_column)
3686	(linemap_map_get_macro_name, linemap_get_file_path)
3687	(linemap_location_in_system_header_p)
3688	(linemap_location_from_macro_expansion_p): Declare new functions.
3689	(SOURCE_LINE, SOURCE_COLUMN, LAST_SOURCE_LINE_LOCATION)
3690	(LINEMAP_FILE, LINEMAP_LINE, LINEMAP_SYSP): Assert that this
3691	accessors act on ordinary maps only.
3692	(INCLUDED_FROM): Return NULL for main files; use the new
3693	accessors.
3694	(LINEMAP_POSITION_FOR_COLUMN): Use the new accessors.
3695	(struct expanded_location): Move here from gcc/input.h
3696	(linemap_resolve_location, linemap_expand_location)
3697	(linemap_expand_location_full): Declare new functions.
3698	* line-map.c: Include cpplib.h, internal.h
3699	(linemap_enter_macro, linemap_add_macro_token)
3700	(linemap_get_expansion_line, linemap_get_expansion_filename): New
3701	functions that are private to libcpp.
3702	(linemap_assert): New macro.
3703	(linemap_macro_loc_to_exp_point, linemap_macro_loc_to_exp_point)
3704	(linemap_macro_loc_unwind, linemap_macro_map_loc_to_def_point)
3705	(linemap_macro_map_loc_unwind_toward_spelling)
3706	(linemap_macro_map_loc_to_exp_point)
3707	(first_map_in_common_1, first_map_in_common): New static
3708	functions.
3709	(new_linemap): Define new static functions.  Extracted and
3710	enhanced from ...
3711	(linemap_add): ... here.  Use linemap_assert in lieu of abort
3712	previously.
3713	(linemap_tracks_macro_expansion_locs_p)
3714	(linemap_add_macro_token, linemap_macro_expansion_map_p)
3715	(linemap_check_ordinary, linemap_macro_map_loc_to_exp_point)
3716	(linemap_macro_map_loc_to_def_point)
3717	(linemap_macro_map_loc_unwind_once)
3718	(linemap_step_out_once, linemap_map_get_index)
3719	(linemap_get_source_line,linemap_get_source_column)
3720	(linemap_get_file_path, linemap_map_get_macro_name)
3721	(linemap_location_in_system_header_p)
3722	(linemap_location_originated_from_system_header_p)
3723	(linemap_location_from_macro_expansion_p)
3724	(linemap_tracks_macro_expansion_locs_p)
3725	(linemap_resolve_location, linemap_expand_location)
3726	(linemap_expand_location_full)
3727	(linemap_tracks_macro_expansion_locs_p)
3728	(linemap_position_for_line_and_column, linemap_compare_locations):
3729	Define new public functions.
3730	(linemap_init): Initialize ordinary and macro maps information in
3731	the map set.
3732	(linemap_check_files_exited): Use the new accessors.
3733	(linemap_free): Remove this dead code.
3734	(linemap_line_start): Assert this uses an ordinary map.  Adjust to
3735	use the new ordinary map accessors and data structures.  Don't
3736	overflow past the lowest possible macro token's location.
3737	(linemap_position_for_column): Assert the ordinary maps of the map
3738	set are really ordinary.  Use ordinary map accessors.
3739	(linemap_lookup): Keep the same logic but generalize to allow
3740	lookup of both ordinary and macro maps.  Do not crash when called
3741	with an empty line table.
3742	* directives-only.c (_cpp_preprocess_dir_only): Adjust to use the
3743	new API of line-map.h.
3744	* directives.c (start_directive, do_line, do_linemarker)
3745	(do_linemarker): Likewise.
3746	* files.c (_cpp_find_file, _cpp_stack_include, open_file_failed)
3747	(make_cpp_dir, cpp_make_system_header): Likewise.
3748	* init.c (cpp_read_main_file): Likewise.
3749	* internal.h (CPP_INCREMENT_LINE): Likewise.
3750	(linemap_enter_macro, linemap_add_macro_token)
3751	(linemap_get_expansion_line, linemap_get_expansion_filename): New
3752	functions private to libcpp.
3753	* lex.c (_cpp_process_line_notes, _cpp_skip_block_comment)
3754	(skip_line_comment, skip_whitespace, lex_raw_string)
3755	(_cpp_lex_direct): Likewise.
3756	* macro.c (_cpp_builtin_macro_text): Likewise.
3757	(_cpp_aligned_alloc): Initialize the new name member of the macro.
3758	* traditional.c (copy_comment, _cpp_scan_out_logical_line):
3759	Likewise.
3760	* errors.c (cpp_diagnostic): Adjust to new linemap API.
3761
37622011-08-28  Dodji Seketeli  <dodji@redhat.com>
3763
3764	* line-map.c (linemap_add): Assert that reason must not be
3765	LC_RENAME when called for the first time on a "main input file".
3766
37672011-08-22  Gabriel Charette  <gchare@google.com>
3768
3769	* init.c (cpp_create_reader): Inititalize forced_token_location_p.
3770	* internal.h (struct cpp_reader): Add field forced_token_location_p.
3771	* lex.c (_cpp_lex_direct): Use forced_token_location_p.
3772	(cpp_force_token_locations): New.
3773	(cpp_stop_forcing_token_locations): New.
3774
37752011-08-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3776
3777	PR libstdc++/1773
3778	* init.c (cpp_init_builtins): Define __cplusplus 19971L.
3779
37802011-08-18  Joseph Myers  <joseph@codesourcery.com>
3781
3782	* include/cpplib.h (struct cpp_options): Fix typo.
3783
37842011-08-18  Joseph Myers  <joseph@codesourcery.com>
3785
3786	* include/cpplib.h (struct cpp_options): Add rliterals.
3787	* init.c  (struct lang_flags, lang_defaults): Add rliterals.
3788	(cpp_set_lang): Set rliterals option.
3789	(cpp_init_builtins): Define __STDC_UTF_16__ and __STDC_UTF_32__.
3790	* lex.c (_cpp_lex_direct): Only accept raw strings if rliterals.
3791
37922011-08-15  Gabriel Charette  <gchare@google.com>
3793
3794	* include/line-map.h (LINEMAP_POSITION_FOR_COLUMN): Remove.
3795	Update all users to use linemap_position_for_column instead.
3796
37972011-07-28  Gabriel Charette  <gchare@google.com>
3798
3799	* include/line-map.h (struct line_maps):
3800	Remove unused field last_listed. Update all users.
3801
38022011-07-28  H.J. Lu  <hongjiu.lu@intel.com>
3803
3804	* configure.ac: Set need_64bit_hwint to yes for x86 targets.
3805	* configure: Regenerated.
3806
38072011-07-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3808
3809	* system.h [__cplusplus]: Wrap C function declarations in extern "C".
3810
38112011-07-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3812	    Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3813
3814	PR bootstrap/49794
3815	* configure.ac: Test AM_ICONV with CXX.
3816	* configure: Regenerate.
3817	* system.h (HAVE_DESIGNATED_INITIALIZERS): Never define for C++.
3818
38192011-07-15  Dodji Seketeli  <dodji@redhat.com>
3820
3821	* directives.c (struct if_stack): Use source_location as type
3822	here.
3823	* include/cpplib.h (struct cpp_callbacks)<include, define, undef,
3824	indent, def_pragma, used_define, used_undef>: Properly use
3825	source_location as parameter type, rather than unsigned int.
3826
38272011-07-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3828
3829	PR target/39150
3830	* configure.ac (host_wide_int): Handle x86_64-*-solaris2.1[0-9]
3831	like i[34567]86-*-solaris2.1[0-9]*.
3832	* configure: Regenerate.
3833
38342011-06-16  Jason Merrill  <jason@redhat.com>
3835
3836	PR c++/45399
3837	* lex.c (lex_raw_string): Don't check for embedded NUL.
3838
38392011-06-06  Dodji Seketeli  <dodji@redhat.com>
3840
3841	PR preprocessor/48532
3842	* directives.c (do_pragma): Don't forget the invocation location
3843	when parsing the pragma name of a namespaced pragma directive.
3844
38452011-05-29  John Tytgat  <John.Tytgat@aaug.net>
3846
3847	* files.c (read_file_guts): Add test on non-zero value of S_ISREG.
3848
38492011-05-22  Uros Bizjak  <ubizjak@gmail.com>
3850
3851	PR target/49104
3852	* lex.c (init_vectorized_lexer): Do not set "minimum" when __3dNOW_A__
3853	is defined.  Check bit_MMXEXT and bit_CMOV to use search_line_mmx.
3854
38552011-04-25  Jan Kratochvil  <jan.kratochvil@redhat.com>
3856
3857	* system.h (ENUM_BITFIELD): Remove.
3858
38592011-04-24  Jakub Jelinek  <jakub@redhat.com>
3860
3861	PR preprocessor/48740
3862	* lex.c (lex_raw_string): When raw string ends with
3863	??) followed by raw prefix and ", ensure it is preprocessed
3864	with ??) rather than ??].
3865
38662011-04-20  Jim Meyering  <meyering@redhat.com>
3867
3868	* files.c (destroy_cpp_file): Remove useless if-before-free.
3869	* init.c (cpp_destroy): Likewise.
3870	* macro.c (replace_args): Likewise.
3871	* pch.c (cpp_valid_state): Likewise.
3872
38732011-03-25  Kai Tietz  <ktietz@redhat.com>
3874
3875	* files.c (file_hash_eq): Use filename_cmp
3876	instead of strcmp.
3877	(nonexistent_file_hash_eq): Likewise.
3878	(remap_filename): Likewise.
3879	Handle absolute DOS-path,
3880	(append_file_to_dir): Check for IS_DIR_SEPARATOR
3881	instead of slash.
3882	(read_name_map): Likewise.
3883	* linemap.c (linemap_add): Use filename_cmp
3884	instead of strcmp.
3885	* mkdeps.c (apply_vpath): Use filename_ncmp
3886	instead of strncmp.
3887	(deps_restore): Use filename_cmp instead of
3888	strcmp.
3889	* init.c (read_original_directory): Use
3890	IS_DIR_SEPARATOR instead of checking for slash.
3891
38922011-03-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
3893
3894	PR preprocessor/48192
3895	* directives.c (do_ifdef): Do not consider conditional macros as
3896	being defined.
3897	(do_ifndef): Ditto.
3898	* expr.c (parse_defined): Ditto.
3899
39002011-03-18  Richard Henderson  <rth@redhat.com>
3901
3902	PR bootstrap/45381
3903	* lex.c [ALTIVEC] (search_line_fast): Require gcc version 4.5.
3904
39052011-11-04  Eric Botcazou  <ebotcazou@adacore.com>
3906	    Jakub Jelinek  <jakub@redhat.com>
3907
3908	PR preprocessor/39213
3909	* directives.c (end_directive): Call _cpp_remove_overlay for deferred
3910	pragmas as well in traditional mode.
3911
39122010-11-17  Ian Lance Taylor  <iant@google.com>
3913
3914	PR bootstrap/45538
3915	* configure.ac: Use AC_USE_SYSTEM_EXTENSIONS.  Remove switch of
3916	AC_LANG based on ENABLE_BUILD_WITH_CXX.
3917
39182010-11-16  Kai Tietz  <kai.tietz@onevision.com>
3919
3920	PR preprocessor/17349
3921	* lex.c (save_comment): Handle in argument passing c++
3922	comments special.
3923
39242010-11-02  Ian Lance Taylor  <iant@google.com>
3925
3926	* configure.ac: Use AC_SYS_LARGEFILE.
3927	* configure: Rebuild.
3928	* config.in: Rebuild.
3929
39302010-10-19  Basile Starynkevitch  <basile@starynkevitch.net>
3931
3932	* line-map.h (source_location): Remove obsolete comment
3933	mentioning location_s.
3934
39352010-09-29  Kai Tietz  <kai.tietz@onevision.com>
3936
3937	PR preprocessor/45362
3938	* directives.c (cpp_pop_definition): Make static.
3939	(do_pragma_push_macro): Reworked to store text
3940	definition.
3941	(do_pragma_pop_macro): Add free text definition.
3942	(cpp_push_definition): Removed.
3943	* include/cpplib.h (cpp_push_definition): Removed.
3944	(cpp_pop_definition): Likewise.
3945	* internal.h (def_pragma_macro): Remove member 'value'
3946	and add new members 'definition', 'line',
3947	'syshdr', 'sued' and 'is_undef'.
3948	* pch.c (_cpp_restore_pushed_macros): Rework to work
3949	on text definition and store additional macro flags.
3950	(_cpp_save_pushed_macros): Likewise.
3951
39522010-09-29  Joseph Myers  <joseph@codesourcery.com>
3953
3954	* include/cpplib.h (cpp_options): Rename warn_deprecated,
3955	warn_traditional, warn_long_long and pedantic.
3956	* directives.c (directive_diagnostics, _cpp_handle_directive):
3957	Update names of cpp_options members.
3958	* expr.c (cpp_classify_number, eval_token): Update names of
3959	cpp_options members.
3960	* init.c (cpp_create_reader, post_options): Update names of
3961	cpp_options members.
3962	* internal.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Update names of
3963	cpp_options members.
3964	* macro.c (parse_params): Update names of cpp_options members.
3965
39662010-09-15  Ian Lance Taylor  <iant@google.com>
3967
3968	* init.c: Fix type name in comment.
3969
39702010-08-31  Jakub Jelinek  <jakub@redhat.com>
3971
3972	PR preprocessor/45457
3973	* expr.c (parse_defined): Call pfile->cb.user_builtin_macro hook if
3974	needed.
3975	* directives.c (do_ifdef, do_ifndef): Likewise.
3976
39772010-08-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3978
3979	* system.h [HAVE_INTTYPES_H]: Include inttypes.h.
3980
39812010-08-24  Richard Henderson  <rth@redhat.com>
3982
3983	PR bootstrap/45376
3984	* configure.ac (HAVE_SSE4): New check.
3985	* configure, config.in: Rebuild.
3986	* lex.c (search_line_sse42): Omit if !HAVE_SSE4.
3987
39882010-08-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3989
3990	* lex.c [__sun__ && __svr4__]: Disable init_vectorized_lexer
3991	etc. on Solaris 2/x86.
3992
39932010-08-21  Richard Henderson  <rth@redhat.com>
3994	    Andi Kleen <ak@linux.intel.com>
3995	    David S. Miller  <davem@davemloft.net>
3996
3997	* configure.ac (AC_C_BIGENDIAN, AC_TYPE_UINTPTR_T): New tests.
3998	(ssize_t): Check via AC_TYPE_SSIZE_T instead of AC_CHECK_TYPE.
3999	(ptrdiff_t): Check via AC_CHECK_TYPE.
4000	* config.in, configure: Rebuild.
4001	* system.h: Include stdint.h, if available.
4002	* lex.c (WORDS_BIGENDIAN): Provide default.
4003	(acc_char_mask_misalign, acc_char_replicate, acc_char_cmp,
4004	acc_char_index, search_line_acc_char, repl_chars, search_line_mmx,
4005	search_line_sse2, search_line_sse42, init_vectorized_lexer,
4006	search_line_fast): New.
4007	(_cpp_clean_line): Use search_line_fast.  Restructure the fast
4008	loop to make it clear when we're leaving the loop.  Stay in the
4009	fast loop for non-trigraph '?'.
4010
40112010-06-11  Jakub Jelinek  <jakub@redhat.com>
4012
4013	* include/cpplib.h (struct cpp_callbacks): Add user_builtin_macro
4014	callback.
4015	(enum cpp_builtin_type): Add BT_FIRST_USER and BT_LAST_USER.
4016	(cpp_macro_definition): Remove const qual from second argument.
4017	* macro.c (enter_macro_context): Call user_builtin_macro callback for
4018	NODE_BUILTIN !NODE_USED macros.
4019	(warn_of_redefinition): Likewise.  Remove const qual from second
4020	argument.
4021	(cpp_macro_definition): Likewise.
4022	* pch.c (write_macdef, save_macros): Call user_builtin_macro callback
4023	for NODE_BUILTIN !NODE_USED macros.
4024
40252010-06-10  Joseph Myers  <joseph@codesourcery.com>
4026
4027	* include/cpplib.h (struct cpp_options): Remove show_column.
4028	* init.c (cpp_create_reader, post_options): Don't set show_column.
4029
40302010-06-09  Joern Rennecke  <joern.rennecke@embecosm.com>
4031
4032	PR bootstrap/44432
4033	* configure.ac: Before using ZW_PROG_COMPILER_DEPENDENCIES for C++,
4034	check that C++ compiler works.
4035	* configure: Regenerate.
4036
40372010-06-08  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4038
4039	* include/symtab.h (ht_identifier_ptr): New.
4040
40412010-06-03  Joern Rennecke <joern.rennecke@embecosm.com>
4042	    Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4043
4044	PR bootstrap/42798
4045	* configure.ac: Check for declaration of 'basename(char *)'.
4046	* configure: Regenerate.
4047	* config.in: Regenerate.
4048
40492010-04-25  Joseph Myers  <joseph@codesourcery.com>
4050
4051	* include/cpplib.h (enum c_lang): Add CLK_GNUC1X and CLK_STDC1X.
4052	* init.c (lang_defaults): Add entries for new language variants.
4053	(cpp_init_builtins): Define __STDC_VERSION__ to 201000L for C1X
4054	variants.
4055
40562010-04-09  Manuel López-Ibáñez <manu@gcc.gnu.org>
4057
4058	PR cpp/43195
4059	* files.c (report_missing_guard): Test for #pragma once.
4060
40612010-04-07  Simon Baldwin  <simonb@google.com>
4062
4063	* directives.c (do_diagnostic): Add warning reason argument,
4064	call appropriate error reporting function for code.
4065	(directive_diagnostics): Call specific warning functions with
4066	warning reason where appropriate.
4067	(do_error, do_warning, do_pragma_dependency): Add warning reason
4068	argument to do_diagnostic calls.
4069	* macro.c (_cpp_warn_if_unused_macro, enter_macro_context,
4070	_cpp_create_definition): Call specific warning functions with
4071	warning reason where appropriate.
4072	* Makefile.in: Add new diagnostic functions to gettext translations.
4073	* include/cpplib.h (struct cpp_callbacks): Add warning reason code
4074	to error callback.
4075	(CPP_DL_WARNING, CPP_DL_WARNING_SYSHDR, CPP_DL_PEDWARN, CPP_DL_ERROR,
4076	CPP_DL_ICE, CPP_DL_NOTE, CPP_DL_FATAL): Replace macros with enums.
4077	(CPP_W_NONE, CPP_W_DEPRECATED, CPP_W_COMMENTS,
4078	CPP_W_MISSING_INCLUDE_DIRS, CPP_W_TRIGRAPHS, CPP_W_MULTICHAR,
4079	CPP_W_TRADITIONAL, CPP_W_LONG_LONG, CPP_W_ENDIF_LABELS,
4080	CPP_W_NUM_SIGN_CHANGE, CPP_W_VARIADIC_MACROS,
4081	CPP_W_BUILTIN_MACRO_REDEFINED, CPP_W_DOLLARS, CPP_W_UNDEF,
4082	CPP_W_UNUSED_MACROS, CPP_W_CXX_OPERATOR_NAMES, CPP_W_NORMALIZE,
4083	CPP_W_INVALID_PCH, CPP_W_WARNING_DIRECTIVE): New enums for cpp
4084	warning reason codes.
4085	(cpp_warning, cpp_pedwarning, cpp_warning_syshdr,
4086	cpp_warning_with_line, cpp_pedwarning_with_line,
4087	cpp_warning_with_line_syshdr): New specific error reporting functions.
4088	* pch.c (cpp_valid_state): Call specific warning functions with
4089	warning reason where appropriate.
4090	* errors.c (cpp_diagnostic, cpp_diagnostic_with_line): New central
4091	diagnostic handlers.
4092	(cpp_warning, cpp_pedwarning, cpp_warning_syshdr,
4093	cpp_warning_with_line, cpp_pedwarning_with_line,
4094	cpp_warning_with_line_syshdr): New specific error reporting functions.
4095	* expr.c (cpp_classify_number, eval_token, num_unary_op): Call
4096	specific warning functions with warning reason where appropriate.
4097	* lex.c (_cpp_process_line_notes, _cpp_skip_block_comment,
4098	warn_about_normalization, lex_identifier_intern, lex_identifier,
4099	_cpp_lex_direct): Ditto.
4100	* charset.c (_cpp_valid_ucn, convert_hex, convert_escape,
4101	narrow_str_to_charconst): Ditto.
4102
41032010-04-06  Jakub Jelinek  <jakub@redhat.com>
4104
4105	PR preprocessor/43642
4106	* lex.c (lex_raw_string): Change type of TYPE variable to
4107	unsigned char.
4108
41092010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4110
4111	* aclocal.m4: Regenerate.
4112
41132010-03-29  Jason Merrill  <jason@redhat.com>
4114
4115	More N3077 raw string changes
4116	* charset.c (cpp_interpret_string): Don't transform UCNs in raw
4117	strings.
4118	* lex.c (bufring_append): Split out from...
4119	(lex_raw_string): ...here.  Undo trigraph and line splicing
4120	transformations.  Do process line notes in multi-line literals.
4121	(_cpp_process_line_notes): Ignore notes that were already handled.
4122
4123	Some raw string changes from N3077
4124	* charset.c (cpp_interpret_string): Change inner delimiters to ().
4125	* lex.c (lex_raw_string): Likewise.  Also disallow '\' in delimiter.
4126
41272010-02-11  Jakub Jelinek  <jakub@redhat.com>
4128
4129	* init.c (read_original_filename): Don't call read_original_directory
4130	if _cpp_handle_directive returns 0.
4131
41322010-01-01  Joseph Myers  <joseph@codesourcery.com>
4133
4134	PR preprocessor/41947
4135	* expr.c (cpp_classify_number): Give error for hexadecimal
4136	floating-point constant with no digits before or after point.
4137
41382009-11-20  Arnaud Charlet  <charlet@adacore.com>
4139
4140	* macro.c (enter_macro_context): Call cb.used callback if defined.
4141	* directives.c (do_idef, do_ifndef): Ditto.
4142	* include/cpplib.h (struct cpp_callbacks): Add used callback.
4143
41442009-11-11  Kai Tietz  <kai.tietz@onevision.com>
4145
4146	* directives.c (do_pragma_push_macro): New pragma handler.
4147	(do_pragma_pop_macro): Likewise.
4148	(_cpp_init_internal_pragmas): Add push_macro and
4149	pop_macro handler to internal pragmas.
4150	(lex_macro_node_from_str): Removed.
4151	(cpp_push_definition): Replace lex_macro_node_from_str
4152	by _cpp_lex_identifier.
4153	(cpp_pop_definition): Likewise.
4154	* internal.h (_cpp_lex_identifier): New prototype.
4155	(def_pragma_macro): New structure.
4156	(cpp_reader): New member pushed_macros.
4157	* lex.c (_cpp_lex_identifier): New function.
4158	(lex_identifier_intern): New function.
4159	* init.c (cpp_create_reader): Initialize pushed_macros
4160	member.
4161	(cpp_destroy): Free elements in pushed_macros member.
4162	* pch.c (_cpp_save_pushed_macros): New function.
4163	(_cpp_restore_pushed_macros): Likewise.
4164	(_cpp_restore_pushed_macros): Use _cpp_save_pushed_macros.
4165	(cpp_read_state): Use _cpp_restore_pushed_macros.
4166
41672009-10-19  Jakub Jelinek  <jakub@redhat.com>
4168
4169	* charset.c (cpp_init_iconv): Initialize utf8_cset_desc.
4170	(_cpp_destroy_iconv): Destroy utf8_cset_desc, char16_cset_desc
4171	and char32_cset_desc.
4172	(converter_for_type): Handle CPP_UTF8STRING.
4173	(cpp_interpret_string): Handle CPP_UTF8STRING and raw-strings.
4174	* directives.c (get__Pragma_string): Handle CPP_UTF8STRING.
4175	(parse_include): Reject raw strings.
4176	* include/cpplib.h (CPP_UTF8STRING): New token type.
4177	* internal.h (struct cpp_reader): Add utf8_cset_desc field.
4178	* lex.c (lex_raw_string): New function.
4179	(lex_string): Handle u8 string literals, call lex_raw_string
4180	for raw string literals.
4181	(_cpp_lex_direct): Call lex_string even for u8" and {,u,U,L,u8}R"
4182	sequences.
4183	* macro.c (stringify_arg): Handle CPP_UTF8STRING.
4184
41852009-10-14  Jakub Jelinek  <jakub@redhat.com>
4186
4187	PR preprocessor/41543
4188	* include/line-map.h (RESERVED_LOCATION_COUNT): Define.
4189	* line-map.c (linemap_init): Initialize highest_location and
4190	highest_line to RESERVED_LOCATION_COUNT-1 instead of 0.
4191
41922009-10-09  Jason Merrill  <jason@redhat.com>
4193
4194	* charset.c (_cpp_valid_ucn): Update C++0x restrictions.
4195
41962009-10-09  Neil Vachharajani <nvachhar@google.com>
4197
4198	* directives.c (DIRECTIVE_TABLE): Remove DEPRECATED from ident and
4199	sccs.
4200
42012009-09-23  Loren J. Rittle  <ljrittle@acm.org>
4202
4203	* configure.ac (AC_CHECK_HEADERS after AC_LANG(C++)): Add sys/stat.h.
4204	* configure: Rebuilt.
4205
42062009-09-22  Richard Guenther  <rguenther@suse.de>
4207
4208	PR pch/38987
4209	* files.c (pch_open_file): Disallow non-toplevel PCH inclusion.
4210
42112009-09-18  Chris Demetriou  <cgd@google.com>
4212
4213	PR preprocessor/28435:
4214	* include/cpplib.h (struct cpp_options): Add new member
4215	deps.need_preprocessor_output.
4216	* files.c (open_file_failed): If preprocessor output is needed
4217	always report an error.
4218
42192009-09-13  Kai Tietz  <kai.tietz@onevision.com>
4220
4221	* configure.ac: Set for i?86-w64-mingw*
4222	need_64bit_hwint to yes.
4223	* configure: Regenerated.
4224
42252009-09-10  Jason Merrill  <jason@redhat.com>
4226
4227	* directives.c (cpp_define): constify.
4228
42292009-09-02  Ian Lance Taylor  <iant@google.com>
4230
4231	* macro.c (stringify_arg): Escape CPP_WCHAR tokens.
4232
42332009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4234
4235	* configure.ac (AC_PREREQ): Bump to 2.64.
4236
42372009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4238
4239	* aclocal.m4: Regenerate.
4240	* config.in: Regenerate.
4241	* configure: Regenerate.
4242
42432009-08-17  Tom Tromey  <tromey@redhat.com>
4244
4245	PR preprocessor/41067:
4246	* charset.c (convert_escape): Add missing ":" to error text.
4247
42482009-07-27  Douglas B Rupp  <rupp@gnat.com>
4249
4250	* include/cpplib.h (INO_T_CPP): New macro.
4251	(struct cpp_dir): Use it.
4252
42532009-07-20  Jerry Quinn  <jlquinn@optonline.net>
4254
4255	PR regression/40800
4256	* configure.ac: Use = instead of == for testing
4257	ENABLE_BUILD_WITH_CXX.
4258	* configure: Rebuild.
4259
42602009-07-17  Jerry Quinn  <jlquinn@optonline.net>
4261
4262	* directives.c (do_linemarker, do_line): Use CPP_STRING for
4263	ignored enum value.
4264	* files.c (find_file_in_dir): Add cast from void* to char*.
4265	* symtab.c (ht_lookup_with_hash): Add cast from void* to char*.
4266	* Makefile.in: (WARN_CFLAGS): Use general and C-specific
4267	warnings.
4268	(CXX, CXXFLAGS, WARN_CXXFLAGS, ALL_CXXFLAGS,
4269	ENABLE_BUILD_WITH_CXX, CCDEPMODE, CXXDEPMODE, COMPILER,
4270	COMPILER_FLAGS): New.
4271	(DEPMODE): Set from CCDEPMODE or CXXDEPMODE.
4272	(COMPILE.base): Use COMPILER instead of CC.  Use COMPILER_FLAGS
4273	instead of ALL_CFLAGS.
4274	* configure.ac: Invoke AC_PROG_CXX.  Separate C-specific warnings
4275	from other warnings.  Add -Wc++-compat to C-specific warnings.
4276	Check for --enable-build-with-cxx.  Set and substitute
4277	ENABLE_BUILD_WITH_CXX.  Invoke ZW_PROG_COMPILER_DEPENDENCIES
4278	according to ENABLE_BUILD_WITH_CXX.  Invoke AC_LANG before
4279	AC_CHECK_HEADERS.
4280	* configure: Rebuild.
4281	* include/cpp-id-data.h: Remove extern "C".
4282	* include/line-map.h: Likewise.
4283	* include/mkdeps.h: Likewise.
4284	* include/symtab.h: Likewise.
4285	* internal.h: Likewise.
4286
42872009-06-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4288
4289	* directives.c (parse_include): Add location argument. Update all
4290	calls.
4291	(parse_answer): Likewise.
4292	(do_include_common): Error with exact location.
4293	(parse_assertion): Likewise.
4294
42952009-06-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4296
4297	* expr.c (num_div_op): Take explicit location.
4298
42992009-06-17  Ian Lance Taylor  <iant@google.com>
4300
4301	* include/cpplib.h (progname): Don't declare.
4302
43032009-06-12  Ian Lance Taylor  <iant@google.com>
4304
4305	* include/cpplib.h (struct cpp_options): Add
4306	warn_cxx_operator_names field.
4307	(NODE_WARN_OPERATOR): Define.
4308	(struct cpp_hashnode): Increase flags field to 10 bits, decrease
4309	type to 6 bits.
4310	* init.c (mark_named_operators): Add flags parameter.
4311	(cpp_post_options): Pick flags value to pass to
4312	mark_named_operators.
4313	* lex.c (lex_identifier): If NODE_WARN_OPERATOR is set, warn that
4314	identifier is an operator name in C++.
4315
43162009-06-01  Aldy Hernandez  <aldyh@redhat.com>
4317
4318	* include/line-map.h (LAST_SOURCE_COLUMN): New.
4319
43202009-06-01  Ian Lance Taylor  <iant@google.com>
4321
4322	* include/cpp-id-data.h: Add extern "C".
4323	* include/line-map.h: Likewise.
4324	* include/mkdeps.h: Likewise.
4325	* include/symtab.h: Likewise.
4326	* internal.h: Likewise.
4327
43282009-05-15  Ian Lance Taylor  <iant@google.com>
4329
4330	* include/cpplib.h (enum cpp_builtin_type): Rename from enum
4331	builtin_type.  Change all uses.
4332
43332009-05-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4334
4335	PR cpp/36674
4336	* directives (do_linemarker): Compensate for the increment in
4337	location that occurs when we reach the end of line.
4338	* files (_cpp_stack_include): Mention _cpp_find_file in the
4339	comment.
4340
43412009-05-10  Joseph Myers  <joseph@codesourcery.com>
4342
4343	* include/cpplib.h (enum cpp_token_fld_kind): Add
4344	CPP_TOKEN_FLD_TOKEN_NO.
4345	(struct cpp_macro_arg, struct cpp_identifier): Define.
4346	(union cpp_token_u): Use struct cpp_identifier for identifiers.
4347	Use struct cpp_macro_arg for macro arguments.  Add token_no for
4348	CPP_PASTE token numbers.
4349	* directives.c (_cpp_handle_directive, lex_macro_node, do_pragma,
4350	do_pragma_poison, parse_assertion): Use val.node.node in place of
4351	val.node.
4352	* expr.c (parse_defined, eval_token): Use val.node.node in place
4353	of val.node.
4354	* lex.c (cpp_ideq, _cpp_lex_direct, cpp_token_len,
4355	cpp_spell_token, cpp_output_token, _cpp_equiv_tokens,
4356	cpp_token_val_index): Use val.macro_arg.arg_no or val.token_no in
4357	place of val.arg_no.  Use val.node.node in place of val.node.
4358	* macro.c (replace_args, cpp_get_token, parse_params,
4359	lex_expansion_token, create_iso_definition, cpp_macro_definition):
4360	Use val.macro_arg.arg_no or val.token_no in place of val.arg_no.
4361	Use val.node.node in place of val.node.
4362
43632009-05-03  Joseph Myers  <joseph@codesourcery.com>
4364
4365	* charset.c (one_utf8_to_cppchar): Correct mask used for 5-byte
4366	UTF-8 sequences.
4367
43682009-04-25  Joseph Myers  <joseph@codesourcery.com>
4369
4370	PR preprocessor/39559
4371	* expr.c (cpp_interpret_integer): Use a pedwarn for decimal
4372	constants larger than intmax_t in C99 mode.
4373
43742009-04-21  Taras Glek <tglek@mozilla.com>
4375
4376	* include/cpp-id-data.h: Update GTY annotations to new syntax.
4377	* include/cpplib.h: Likewise.
4378	* include/line-map.h: Likewise.
4379	* include/symtab.h: Likewise.
4380
43812009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4382
4383	PR c++/14875
4384	* lex.c (cpp_type2name): Take a flags parameter. Call
4385	cpp_named_operator2name for named operators and cpp_digraph2name
4386	for digraphs.
4387	(cpp_digraph2name): New.
4388	(cpp_spell_token): Use it.
4389	(cpp_output_token): Likewise.
4390	* include/cpplib.h (cpp_type2name): Update declaration.
4391	* init.c (cpp_named_operator2name): New.
4392	* internal.h (cpp_named_operator2name): Declare.
4393
43942009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4395
4396	PR c++/13358
4397	* init.c (cpp_create_reader): Wlong_long is disabled by default.
4398	* expr.c (cpp_classify_number): Give different messages for C and
4399	C++ front-ends.
4400
44012009-04-19  Joseph Myers  <joseph@codesourcery.com>
4402
4403	PR preprocessor/20078
4404	* include/cpp-id-data.h (struct cpp_macro): Add extra_tokens
4405	field.
4406	* include/cpplib.h (SP_DIGRAPH, SP_PREV_WHITE): Define.
4407	(struct cpp_token): Change flags to unsigned short.
4408	* lex.c (_cpp_lex_direct): Initialize arg_no for CPP_PASTE tokens.
4409	(_cpp_equiv_tokens): Check arg_no for CPP_PASTE tokens.
4410	(cpp_token_val_index): Return CPP_TOKEN_FLD_ARG_NO for CPP_PASTE
4411	tokens.
4412	* macro.c (macro_real_token_count): New.
4413	(enter_macro_context, replace_args): Use macro_real_token_count.
4414	(create_iso_definition): Record whitespace surrounding and digraph
4415	spelling of # and ## tokens using SP_PREV_WHITE and SP_DIGRAPH.
4416	Set extra_tokens and save CPP_PASTE tokens with arg_no set for
4417	multiple consecutive ## tokens.
4418	(_cpp_create_definition): Initialize extra_tokens.
4419	(cpp_macro_definition): Use macro_real_token_count.
4420
44212009-04-18  Joseph Myers  <joseph@codesourcery.com>
4422
4423	* directives.c (parse_include): Pass true to check_eol.
4424
44252009-04-18  Joseph Myers  <joseph@codesourcery.com>
4426
4427	PR preprocessor/39646
4428	* include/line-map.h (enum lc_reason): Add LC_RENAME_VERBATIM.
4429	* line-map.c (linemap_add): Handle LC_RENAME_VERBATIM.
4430	* directives.c (do_line, do_linemarker): Use LC_RENAME_VERBATIM in
4431	place of LC_RENAME.
4432
44332009-04-18  Joseph Myers  <joseph@codesourcery.com>
4434
4435	PR preprocessor/39647
4436	* directives.c (check_eol): Add parameter expand.
4437	(do_undef, parse_include, do_line, do_linemarker, do_ident,
4438	do_pragma_once, do_pragma_system_header, do_ifdef, do_ifndef,
4439	do_else, do_endif, do_assert, do_unassert): All callers changed.
4440	Pass true from do_line, false elsewhere.
4441
44422009-04-12  Joseph Myers  <joseph@codesourcery.com>
4443
4444	PR preprocessor/31869
4445	* macro.c (stringify_arg): Handle NULL source token in padding
4446	token where previous padding token did not have source token with
4447	preceding whitespace.
4448
44492009-04-09  Jakub Jelinek  <jakub@redhat.com>
4450
4451	* Makefile.in: Change copyright header to refer to version
4452	3 of the GNU General Public License and to point readers at the
4453	COPYING3 file and the FSF's license web page.
4454	* charset.c: Likewise.
4455	* directives-only.c: Likewise.
4456	* directives.c: Likewise.
4457	* errors.c: Likewise.
4458	* expr.c: Likewise.
4459	* files.c: Likewise.
4460	* identifiers.c: Likewise.
4461	* include/cpp-id-data.h: Likewise.
4462	* include/cpplib.h: Likewise.
4463	* include/line-map.h: Likewise.
4464	* include/mkdeps.h: Likewise.
4465	* include/symtab.h: Likewise.
4466	* init.c: Likewise.
4467	* internal.h: Likewise.
4468	* lex.c: Likewise.
4469	* line-map.c: Likewise.
4470	* macro.c: Likewise.
4471	* makeucnid.c: Likewise.
4472	* mkdeps.c: Likewise.
4473	* pch.c: Likewise.
4474	* symtab.c: Likewise.
4475	* system.h: Likewise.
4476	* traditional.c: Likewise.
4477	* ucnid.tab: Likewise.
4478	* ucnid.h: Regenerate.
4479
44802009-04-01  Janis Johnson  <janis187@us.ibm.com>
4481
4482	PR c/39027
4483	* include/cpplib.h (CPP_N_DEFAULT): Define.
4484	* expr.c (interpret_float_suffix): Recognize d or D for double,
4485	return new value for default.
4486	(cpp_classify_number): Issue pedwarn for use of d or D in suffix.
4487
4488	PR c/33466
4489	* expr.c (interpret_float_suffix): Reject invalid suffix that uses
4490	letters from decimal float and fixed-point suffixes.
4491
44922009-03-31  Joseph Myers  <joseph@codesourcery.com>
4493
4494	PR preprocessor/15638
4495	* files.c (_cpp_find_file): Call open_file_failed after diagnosing
4496	invalid PCH.
4497	(open_file_failed): Make error for missing file fatal.
4498	* include/cpplib.h (CPP_DL_FATAL): Define.
4499
45002009-03-30  Sergiy Vyshnevetskiy  <serg@vostok.net>
4501
4502	PR preprocessor/31932:
4503	* internal.h: Don't mention HAVE_ICONV_H.
4504	* configure, config.in: Rebuild.
4505	* configure.ac: Don't check for iconv.h.
4506
45072009-03-30  Tom Tromey  <tromey@redhat.com>
4508
4509	PR preprocessor/39512:
4510	* line-map.c (linemap_init): Initialize 'reallocator' field.
4511
45122009-03-30  Jakub Jelinek  <jakub@redhat.com>
4513
4514	PR target/39558
4515	* macro.c (cpp_get_token): If macro_to_expand returns NULL
4516	and used some tokens, add CPP_PADDING before next token.
4517
45182009-03-29  Joseph Myers  <joseph@codesourcery.com>
4519
4520	PR preprocessor/34695
4521	* makedepend.c: Remove.
4522	* Makefile.in (makedepend_OBJS, makedepend$(EXEEXT)): Remove.
4523	(all, clean, TAGS_SOURCES, include): Remove makedepend handling.
4524	* directives.c (cpp_errors): Remove.
4525	* errors.c (print_location, _cpp_begin_message, v_message):
4526	Remove.
4527	(cpp_error, cpp_error_with_line): Always use error callback.
4528	(cpp_error, cpp_error_with_line, cpp_errno): Return bool.
4529	* include/cpplib.h (cpp_options): Remove pedantic_errors,
4530	inhibit_warnings, warn_system_headers, inhibit_errors,
4531	warnings_are_errors, client_diagnostic.
4532	(cpp_callbacks): Add extra arguments to error callback; make it
4533	return bool.
4534	(cpp_finish): Return void.
4535	(cpp_destroy): Remove inaccurate comment about return value.
4536	(cpp_errors, CPP_DL_EXTRACT, CPP_DL_WARNING_P): Remove.
4537	(CPP_DL_NOTE): Define.
4538	* include/line-map.h (linemap_print_containing_files): Remove.
4539	* init.c (cpp_finish): Do not check for or return number of
4540	errors.
4541	* internal.h (cpp_reader): Remove errors field.
4542	* line-map.c (linemap_print_containing_files): Remove.
4543	* macro.c (_cpp_create_definition): Use CPP_DL_NOTE for message
4544	about previous definition.  Only emit it if previous diagnostic
4545	was emitted.
4546
45472009-03-28  Joseph Myers  <joseph@codesourcery.com>
4548
4549	* Makefile.in (po/$(PACKAGE).pot): Use $(mkinstalldirs) not
4550	mkinstalldirs.
4551
45522009-03-18  Jakub Jelinek  <jakub@redhat.com>
4553
4554	* include/cpplib.h (struct cpp_dir): Reorder fields for 64-bit hosts.
4555
45562009-02-21  Joseph Myers  <joseph@codesourcery.com>
4557
4558	* lex.c (lex_string): Return a CPP_LESS token for missing '>' in a
4559	header name.
4560	(_cpp_lex_direct): Handle this.
4561
45622009-02-15  Richard Guenther  <rguenther@suse.de>
4563
4564	Revert last change.
4565
45662009-02-13  Richard Guenther  <rguenther@suse.de>
4567
4568	* configure.ac: Enable LFS.
4569	* configure: Re-generate.
4570	* config.in: Likewise.
4571
45722009-01-05  Ben Elliston  <bje@au.ibm.com>
4573
4574	* Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4575	(.po.pox): Likewise.
4576	(po/$(PACKAGE).pot): Likewise.
4577
45782008-12-10  Alexandre Oliva  <aoliva@redhat.com>
4579
4580	PR target/37033
4581	* pch.c (cpp_valid_state): Improve message for poisoned symbols.
4582	Allow for differences in __GCC_HAVE_DWARF2_CFI_ASM.
4583
45842008-11-29  Joseph Myers  <joseph@codesourcery.com>
4585
4586	* lex.c (cpp_token_len): Use 6 as default length.
4587
45882008-10-31  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4589
4590	* expr.c (struct op): Add location.
4591	(_cpp_parse_expr): Propagate locations throught the stack
4592	of expressions.
4593	(reduce): Likewise.
4594	(check_promotion): Use explicit location in errors.
4595
45962008-10-05  Matthew Gingell  <gingell@adacore.com>
4597	    Arnaud Charlet  <charlet@adacore.com>
4598
4599	* include/cpplib.h (cpp_comments, cpp_comment_table): New structs.
4600	(cpp_get_comments): New function.
4601	* internal.h (struct cpp_reader): Add comments field.
4602	* init.c (cpp_destroy): Free comments.
4603	* lex.c (store_comment, cpp_get_comments): New functions.
4604	(comments): New struct.
4605	(save_comment): Store comments in comments struct.
4606
46072008-09-18  Simon Baldwin  <simonb@google.com>
4608
4609	* include/cpplib.h (struct cpp_options): Add new boolean flag
4610	warn_builtin_macro_redefined.
4611	* init.c (cpp_create_reader): Initialize warn_builtin_macro_redefined.
4612	* (struct builtin_operator): Split out from previous struct builtin,
4613	enhance extra const correctness.
4614	* (struct builtin_macro): Split out from previous struct builtin, add
4615	new always_warn_if_redefined flag, enhance const correctness.
4616	* (mark_named_operators): Use struct builtin_operator.
4617	* (cpp_init_special_builtins): Use struct builtin_macro, add NODE_WARN
4618	to builtins selectively.
4619	* macro.c (warn_of_redefinition): Return false if a builtin macro
4620	is not flagged with NODE_WARN.
4621
46222008-07-31  Jakub Jelinek  <jakub@redhat.com>
4623
4624	PR preprocessor/36649
4625	* files.c (struct report_missing_guard_data): New type.
4626	(report_missing_guard): Put paths into an array instead of printing
4627	them right away.  Return 1 rather than 0.
4628	(report_missing_guard_cmp): New function.
4629	(_cpp_report_missing_guards): Sort and print paths gathered by
4630	report_missing_guard callback.
4631
46322008-07-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4633
4634	PR 28079
4635	* directives.c (strtolinenum): Handle overflow.
4636	(do_line): Give a warning if line number overflowed.
4637	(do_linemarker): Update call to strtolinenum.
4638
46392008-07-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4640
4641	* include/line-map.h (linenum_type): New typedef.
4642	(struct line_map): Use it.
4643	(SOURCE_LINE): Second arguments is a LOCATION not a LINE.
4644	(SOURCE_COLUMN): Likewise.
4645	* macro.c (_cpp_builtin_macro_text): Use linenum_type. Don't store
4646	source_location values in a variable of type linenum_type.
4647	* directives.c (struct if_stack): Use linenum_type.
4648	(strtoul_for_line): Rename as strtolinenum.
4649	(do_line): Use linenum_type.
4650	(do_linemarker): Use linenum_type and strtolinenum.
4651	(_cpp_do_file_change): Use linenum_t.
4652	* line-map.c (linemap_add): Likewise.
4653	(linemap_line_start): Likewise.
4654	* traditional.c (struct fun_macro): 'line' is a source_location.
4655	* errors.c (print_location): Use linenum_type.
4656	* directives-only.c (_cpp_preprocess_dir_only): Likewise.
4657	* internal.h (CPP_INCREMENT_LINE): Likewise.
4658	* lex.c (_cpp_skip_block_comment): Use source_location.
4659
46602008-07-14  Ben Elliston  <bje@au.ibm.com>
4661
4662	* include/cpplib.h (NODE_CONDITIONAL): New.
4663	(struct cpp_callbacks): New macro_to_expand field.
4664	(struct cpp_hashnode): Adjust size of flags and type fields.
4665	(cpp_peek_token): Prototype.
4666	* lex.c (cpp_peek_token): New function.
4667	(_cpp_temp_token): Protect pre-existing lookaheads.
4668	* macro.c (cpp_get_token): Expand any conditional macros.
4669	(_cpp_backup_tokens_direct): New.
4670	(_cpp_backup_tokens): Call _cpp_backup_tokens_direct.
4671	(warn_of_redefinition): Silently allow redefined conditional
4672	macros.
4673	(_cpp_create_definition): Remove the conditional flag when a user
4674	defines one of the conditional macros.
4675	* internal.h (_cpp_backup_tokens_direct): New prototype.
4676
46772008-06-13  Andrew Haley  <aph@redhat.com>
4678
4679	PR preprocessor/33305
4680	* macro.c (replace_args): Print a warning for empty macro
4681	arguments in C89 and C++.
4682
46832008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4684
4685	* Makefile.in ($(srcdir)/aclocal.m4): Update dependencies.
4686	* configure: Regenerate.
4687
46882008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4689
4690	* Makefile.in (datarootdir): New variable.
4691
46922008-06-12  H.J. Lu  <hongjiu.lu@intel.com>
4693
4694	PR preprocessor/36479
4695	* charset.c (cpp_interpret_string_notranslate): Also set
4696	narrow_cset_desc.width.
4697
46982008-06-07  Joseph Myers  <joseph@codesourcery.com>
4699
4700	* configure.ac (parisc*64*-*-*): Remove.
4701	* configure: Regenerate.
4702
47032008-05-30  Tom Tromey  <tromey@redhat.com>
4704
4705	PR preprocessor/36320:
4706	* internal.h (_cpp_parse_expr): Update.
4707	* expr.c (_cpp_parse_expr): Add 'is_if' argument.  Update error
4708	messages.
4709	* directives.c (do_if): Update.
4710	(do_elif): Require expression if processing group.
4711
47122008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
4713
4714	* include/cpplib.h (struct cpp_dir): Add new field, canonical_name.
4715
47162008-05-21  Tom Tromey  <tromey@redhat.com>
4717
4718	PR preprocessor/27777:
4719	* lex.c (cpp_output_line_to_string): New function.
4720	* internal.h (_cpp_begin_message): Don't declare.
4721	* errors.c (_cpp_begin_message): Now static.
4722	* include/cpplib.h (cpp_output_line_to_string): Declare.
4723	* directives.c (do_diagnostic): Rewrote.  Use
4724	cpp_output_line_to_string.  Don't use _cpp_begin_message.
4725
47262008-05-21  Tom Tromey  <tromey@redhat.com>
4727
4728	* include/symtab.h (HT_ALLOCED): Remove.
4729	(ht_purge): Declare.
4730	* symtab.c (DELETED): New define.
4731	(ht_lookup): Update comment.
4732	(ht_lookup_with_hash): Handle deleted entries.  Remove HT_ALLOCED
4733	code.  Use subobject allocator for strings, if it exists.
4734	(ht_expand): Handle deleted entries.
4735	(ht_forall): Likewise.
4736	(ht_purge): New function.
4737	(ht_dump_statistics): Print deletion statistics.
4738
47392008-05-13  Tom Tromey  <tromey@redhat.com>
4740
4741	PR preprocessor/22168:
4742	* include/cpplib.h (struct cpp_options) <objc>: Update
4743	documentation.
4744	* expr.c (eval_token): Warn for use of assertions.
4745	* directives.c (directive_diagnostics): Warn about extensions.
4746	(DEPRECATED): New define.
4747	(DIRECTIVE_TABLE): Use it.
4748
47492008-05-06  Tom Tromey  <tromey@redhat.com>
4750
4751	PR preprocessor/35313, PR preprocessor/36088:
4752	* expr.c (optab) <QUERY, COMMA>: Set precedence to 4.
4753	(reduce) <case CPP_QUERY>: Special case CPP_COMMA and CPP_COLON.
4754
47552008-05-04  David S. Miller  <davem@davemloft.net>
4756
4757	* configure.ac (sparc*-*-*): Always set need_64bit_hwint to yes.
4758	* configure: Regenerate.
4759
47602008-04-22  Daniel Franke  <franke.daniel@gmail.com>
4761
4762	* include/cpplib.h (cpp_define_formatted): New.
4763	* directives.c (cpp_define_formatted): New.
4764
47652008-04-21  Tom Tromey  <tromey@redhat.com>
4766
4767	PR libcpp/33415:
4768	* charset.c (_cpp_convert_input): Add buffer_start argument.
4769	Ignore UTF-8 BOM if seen.
4770	* internal.h (_cpp_convert_input): Add argument.
4771	* files.c (struct _cpp_file) <buffer_start>: New field.
4772	(destroy_cpp_file): Free buffer_start, not buffer.
4773	(_cpp_pop_file_buffer): Likewise.
4774	(read_file_guts): Update.
4775
47762008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
4777
4778	* include/cpp-id-data.h (UC): Was U, conflicts with U"..." literal.
4779	* include/cpplib.h (CHAR16, CHAR32, STRING16, STRING32): New tokens.
4780	(struct cpp_options): Added uliterals.
4781	(cpp_interpret_string): Update prototype.
4782	(cpp_interpret_string_notranslate): Idem.
4783	* charset.c (init_iconv_desc): New width member in cset_converter.
4784	(cpp_init_iconv): Add support for char{16,32}_cset_desc.
4785	(convert_ucn): Idem.
4786	(emit_numeric_escape): Idem.
4787	(convert_hex): Idem.
4788	(convert_oct): Idem.
4789	(convert_escape): Idem.
4790	(converter_for_type): New function.
4791	(cpp_interpret_string): Use converter_for_type, support u and U prefix.
4792	(cpp_interpret_string_notranslate): Match changed prototype.
4793	(wide_str_to_charconst): Use converter_for_type.
4794	(cpp_interpret_charconst): Add support for CPP_CHAR{16,32}.
4795	* directives.c (linemarker_dir): Macro U changed to UC.
4796	(parse_include): Idem.
4797	(register_pragma_1): Idem.
4798	(restore_registered_pragmas): Idem.
4799	(get__Pragma_string): Support CPP_STRING{16,32}.
4800	* expr.c (eval_token): Support CPP_CHAR{16,32}.
4801	* init.c (struct lang_flags): Added uliterals.
4802	(lang_defaults): Idem.
4803	* internal.h (struct cset_converter) <width>: New field.
4804	(struct cpp_reader) <char16_cset_desc>: Idem.
4805	(struct cpp_reader) <char32_cset_desc>: Idem.
4806	* lex.c (digraph_spellings): Macro U changed to UC.
4807	(OP, TK): Idem.
4808	(lex_string): Add support for u'...', U'...', u"..." and U"...".
4809	(_cpp_lex_direct): Idem.
4810	* macro.c (_cpp_builtin_macro_text): Macro U changed to UC.
4811	(stringify_arg): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
4812
48132008-04-18  Paolo Bonzini  <bonzini@gnu.org>
4814
4815	PR bootstrap/35457
4816	* aclocal.m4: Regenerate.
4817	* configure: Regenerate.
4818
48192008-04-17  Tom Tromey  <tromey@redhat.com>
4820
4821	PR libcpp/34866:
4822	* errors.c (cpp_error): Don't reference a token before the start
4823	of the current run.
4824
48252008-04-16  Tom Tromey  <tromey@redhat.com>
4826
4827	* Makefile.in (TAGS_SOURCES): New variable.
4828	(TAGS): New target.
4829
48302008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4831
4832	* configure.ac: (need_64bit_hwint): Need 64bit hwint for sh-*-*
4833	and shbe-*-*.
4834	* configure: Rebuilt.
4835
48362008-04-02  Joseph Myers  <joseph@codesourcery.com>
4837
4838	* include/cpplib.h (struct cpp_callbacks): Add used_define,
4839	used_undef and before_define.
4840	(NODE_USED): Define.
4841	* directives.c (do_define, do_undef, undefine_macros, do_ifdef,
4842	do_ifndef, cpp_pop_definition): Handle new flag and use new
4843	callbacks.
4844	* expr.c (parse_defined): Handle new flag and use new callbacks.
4845	* macro.c (enter_macro_context, _cpp_free_definition): Handle new
4846	flag and use new callbacks.
4847
48482008-04-01  Jakub Jelinek  <jakub@redhat.com>
4849
4850	PR pch/13675
4851	* files.c (struct _cpp_file): Remove pch field.
4852	(pch_open_file): Don't set file->pch, just file->pchname.
4853	(should_stack_file): After pfile->cb.read_pch call
4854	free pchname and clear pchname, don't close file->fd.
4855	Test file->pchname instead of file->pch.  Don't close fd after cb.
4856	(_cpp_stack_include): Test file->pchname instead of file->pch.
4857
48582008-03-28  Tom Tromey  <tromey@redhat.com>
4859
4860	* Makefile.in (POSTCOMPILE): New variable.
4861	(.c.o): Use it.
4862
48632008-03-13  Tom Tromey  <tromey@redhat.com>
4864
4865	PR libcpp/35322:
4866	* directives.c (destringize_and_run): Set pfile->directive.
4867
48682008-03-06  Markus Milleder  <markus.milleder@generali.at>
4869
4870	PR preprocessor/35458
4871	* mkdeps.c (munge): Quote '#' with a '\'.
4872
48732008-02-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4874
4875	PR preprocessor/35379
4876	* mkdeps.c (deps_write): Ensure the first target always appears
4877	in the first column, without leading backslash newline.  Avoid
4878	some more extra whitespace.
4879
48802008-02-25  Thiemo Seufer <ths@mips.com>
4881
4882	* Makefile.in ($(srcdir)/config.in): Depend on configure.ac.
4883
48842008-02-19  Tom Tromey  <tromey@redhat.com>
4885
4886	* traditional.c (lex_identifier): Use CPP_HASHNODE.
4887	* lex.c (lex_identifier): Use CPP_HASHNODE.
4888	* include/line-map.h (LINEMAP_POSITION_FOR_COLUMN): Wrap in
4889	do-while.
4890	* identifiers.c (alloc_node): Change return type.
4891	(_cpp_init_hashtable): Don't cast 'alloc_node'.
4892	(proxy_assertion_broken): New declaration.
4893	(cpp_forall_identifiers): Move comment.
4894	* line-map.c (linemap_add): Comment fix.
4895	(linemap_line_start): Indentation fix.
4896
48972008-01-25  Jakub Jelinek  <jakub@redhat.com>
4898
4899	PR preprocessor/34692
4900	* macro.c (collect_args): Add pragma_buff argument.  Push
4901	CPP_PRAGMA ... CPP_PRAGMA_EOL tokens to *pragma_buff, rather
4902	than into arguments.  Reset prevent_expansion and parsing_args
4903	state at CPP_PRAGMA_EOL/CPP_EOF.
4904	(funlike_invocation_p): Add pragma_buff argument, pass it through
4905	to collect_args.
4906	(enter_macro_context): Add result argument.  Adjust
4907	funlike_invocation_p caller.  Emit all deferred pragma tokens
4908	gathered during collect_args before the expansion, add a padding
4909	token.  Return 2 instead of 1 if any pragma tokens were prepended.
4910	(cpp_get_token): If enter_macro_context returns 2, don't return
4911	a padding token, instead cycle to grab CPP_PRAGMA token.
4912	* directives.c (_cpp_handle_directive): If was_parsing_args
4913	in deferred pragma, leave parsing_args and prevent_expansion as is.
4914
49152008-01-22  Tom Tromey  <tromey@redhat.com>
4916
4917	PR c++/34859
4918	* macro.c (_cpp_create_definition): Handle __STDC_LIMIT_MACROS and
4919	__STDC_CONSTANT_MACROS.
4920
49212008-01-07  Fred Fish  <fnf@specifix.com>
4922
4923	PR preprocessor/30363
4924	* traditional.c (replace_args_and_push): Add local variable
4925	cxtquote, calculate the replacement text size assuming a
4926	worst case of every input character quoted with backslash,
4927	and properly handle output quoting of quote characters in
4928	actual arguments used in function-like macros.
4929
49302008-01-03  Tom Tromey  <tromey@redhat.com>
4931
4932	PR preprocessor/34602
4933	* directives.c (do_line): Don't try to spell EOF token.
4934	(do_linemarker): Add comment.
4935
49362007-12-11  DJ Delorie  <dj@redhat.com>
4937
4938	* charset.c (convert_using_iconv): Close out any shift states,
4939	returning to the initial state.
4940
49412007-12-06  Tom Tromey  <tromey@redhat.com>
4942
4943	PR c/29172
4944	* internal.h (struct cpp_reader) <file_hash_entries>: Changed
4945	type.
4946	<file_hash_entries_allocated, file_hash_entries_used>: Removed.
4947	* files.c (FILE_HASH_POOL_SIZE): New macro.
4948	(struct file_hash_entry_pool): New.
4949	(destroy_all_cpp_files): New function.
4950	(allocate_file_hash_entries): Allocate a file_hash_entry_pool.
4951	(new_file_hash_entry): Update.
4952	(free_file_hash_entries): New function.
4953	(_cpp_cleanup_files): Call free_file_hash_entries and
4954	destroy_all_cpp_files.
4955	(cpp_clear_file_cache): New function.
4956	* include/cpplib.h (cpp_clear_file_cache): Declare.
4957
49582007-12-03  Tom Tromey  <tromey@redhat.com>
4959
4960	PR preprocessor/34288
4961	* configure.ac, config.in: Rebuilt.
4962	* configure.ac: Check for ssize_t.
4963
49642007-11-30  Tom Tromey  <tromey@redhat.com>
4965
4966	PR preprocessor/32868
4967	* macro.c (_cpp_create_definition): Special case
4968	__STDC_FORMAT_MACROS.
4969
49702007-11-16  Michael Matz  <matz@suse.de>
4971
4972	* files.c (search_path_head): Fix check for absolute paths.
4973
49742007-11-11  Tom Tromey  <tromey@redhat.com>
4975
4976	PR c++/17557
4977	* include/cpplib.h (cpp_included_before): Declare.
4978	* files.c (struct file_hash_entry) <location>: New field.
4979	(_cpp_find_file): Initialize new field.
4980	(make_cpp_dir): Likewise.
4981	(cpp_included_before): New function.
4982
49832007-11-01  Tom Tromey  <tromey@redhat.com>
4984
4985	PR preprocessor/30805
4986	* macro.c (paste_tokens): Handle padding token.
4987	(paste_tokens): Don't abort unless padding has PASTE_LEFT flag.
4988
49892007-10-31  Tom Tromey  <tromey@redhat.com>
4990
4991	PR preprocessor/30786
4992	* macro.c (builtin_macro): Return result of _cpp_do__Pragma.
4993	* directives.c (_cpp_do__Pragma): Return error status.
4994	* internal.h (_cpp_do__Pragma): Update.
4995	* directives.c (get__Pragma_string): Back up if EOF seen.
4996
49972007-09-06  Tom Tromey  <tromey@redhat.com>
4998
4999	* internal.h (struct cpp_reader) <invocation_location>: New
5000	field.
5001	(struct cpp_reader) <set_invocation_location>: Likewise.
5002	* init.c (cpp_set_line_map): New function.
5003	* line-map.c (linemap_add): Use linemap's allocator.
5004	* include/line-map.h (GTY): Define.
5005	(line_map_realloc): New typedef.
5006	(struct line_map): Mark with GTY.
5007	(struct line_maps): Likewise.
5008	(struct line_maps) <maps>: Likewise.
5009	(struct line_maps) <reallocator>: New field.
5010	* include/symtab.h (GTY): Conditionally define.
5011	* include/cpplib.h (cpp_set_line_map): Declare.
5012	(cpp_get_token_with_location): Declare.
5013	* macro.c (cpp_get_token): Set invocation_location on the reader.
5014	(cpp_get_token_with_location): New function.
5015
50162007-08-30  Chao-ying Fu  <fu@mips.com>
5017
5018	* expr.c (interpret_float_suffix): Support hr, r, lr, llr, uhr, ur,
5019	ulr, ullr, hk, k, lk, llk, uhk, uk, ulk, ullk.
5020	(cpp_classify_number): Support decimal fixed-point constants without
5021	exponents.
5022	Warn about fixed-point constants when -pedantic.
5023	* include/cpplib.h (CPP_N_SMALL, CPP_N_MEDIUM, CPP_N_LARGE): Change
5024	comments to support fixed-point values.
5025	(CPP_N_FRACT, CPP_N_ACCUM): Define.
5026
50272007-08-18  Tom Tromey  <tromey@redhat.com>
5028
5029	PR preprocessor/32974
5030	* directives.c (parse_include): Don't check for EOL when
5031	processing #pragma dependency.
5032
50332007-07-30  Ollie Wild  <aaw@google.com>
5034
5035	* directives-only.c: New file.
5036	* internal.h (struct _cpp_dir_only_callbacks): New.
5037	(_cpp_preprocess_dir_only): New function.
5038	* directives.c (_cpp_handle_directive): Check directives_only before
5039	disabling execution of indented directives.
5040	* files.c (_cpp_stack_file): Add directives_only check.
5041	* include/cpplib.h (struct cpp_options): Add directives_only.
5042	(cpp_init_special_builtins): New function.
5043	* init.c (cpp_init_special_builtins): New function.
5044	(cpp_init_builtins): Move builtin_array initialization to
5045	cpp_init_special_builtins.
5046	(post_options): Check directives_only before setting
5047	pfile->state.prevent_expansion = 1.
5048	* macro.c (_cpp_builtin_macro_text): Print an error if __COUNTER__
5049	is expanded inside a directive while -fdirectives-only is enabled.
5050	* Makefile.in (libcpp_a_OBJS): Add directives-only.o.
5051	(libcpp_a_SOURCES): Add directives-only.c.
5052
50532007-07-04  Uros Bizjak  <ubizjak@gmail.com>
5054
5055	* traditional.c (_cpp_scan_out_logical_line): Initialize
5056	fmacro.args, fmacro.node, fmacro.offset, fmacro.line and
5057	fmacro.args to prevent 'may be used uninitialized' warning.
5058
50592007-07-03  Uros Bizjak  <ubizjak@gmail.com>
5060
5061	* include/cpplib.h (CPP_N_WIDTH_MD, CPP_N_MD_W, CPP_N_MD_Q):
5062	Add new constants.
5063	* expr.c (interpret_float_suffix): Process 'w', 'W', 'q' and 'Q'
5064	suffixes.  Return CPP_N_MD_W for 'w' or 'W' suffixes and CPP_N_MD_Q
5065	for 'q' or 'Q' suffixes.
5066
50672007-06-17  Danny Smith  <dannysmith@users.sourceforge.net
5068
5069	* files.c (open_file): Correct typo.
5070
50712007-06-16  Vladimir Prus  <vladimir@codesourcery.com>
5072
5073	* files.c (open_file): Prevent the call
5074	for stat from overwriting errno.
5075
50762007-06-09  Vladimir Prus  <vladimir@codesourcery.com>
5077
5078	* files.c (open_file): Account for the
5079	fact that on windows, opening a directory gives
5080	EACCES.
5081
50822007-06-05  Joerg Wunsch  <j.gnu@uriah.heep.sax.de>
5083
5084	PR preprocessor/23479
5085	* expr.c (cpp_classify_number): Implement 0b-prefixed binary
5086	integer constants.
5087	(append_digit): Likewise.
5088	* include/cpplib.h: Add CPP_N_BINARY, to be used for 0b-prefixed
5089	binary integer constants.
5090
50912007-05-31  Dave Korn  <dave.korn@artimi.com>
5092
5093	PR preprocessor/14331
5094	* lex.c (_cpp_get_fresh_line):  Don't warn if no newline at EOF.
5095
50962007-05-24  Ollie Wild  <aaw@google.com>
5097
5098	* macro.c (_cpp_builtin_macro_text): Handle BT_COUNTER.
5099	* pch.c (cpp_write_pch_deps): Save __COUNTER__ state.
5100	(cpp_write_pch_state): Save __COUNTER__ state.
5101	(cpp_valid_state): Check valid __COUNTER__ state.
5102	(cpp_read_state): Read new __COUNTER__ state.
5103	* include/cpplib.h (enum builtin_type): Add BT_COUNTER enumerator.
5104	* init.c (builtin_array): Add __COUNTER__/BT_COUNTER.
5105	* internal.h (struct cpp_reader): Add counter member.
5106
51072007-05-23  Simon Martin  <simartin@users.sourceforge.net>
5108
5109	PR preprocessor/20077
5110	* macro.c (create_iso_definition): Fixed the method to determine
5111	whether the token-pasting operator appears at the beginning or the end
5112	of a macro.
5113
51142007-05-21  Ian Lance Taylor  <iant@google.com>
5115
5116	* internal.h (struct cpp_reader): Add new fields:
5117	nonexistent_file_hash and nonexistent_file_ob.
5118	* files.c: Include "obstack.h".
5119	(find_file_in_dir): Before trying to open the file, look up the
5120	path name in the hash table of nonexistent files.  After failing
5121	to open the file, add the path name to the hash table.
5122	(_cpp_find_file): Cache the results of looking up the file name
5123	starting with the quote and bracket chain heads, if we can.
5124	(nonexistent_file_hash_eq): New static function.
5125	(_cpp_init_files): Initialize pfile->nonexistent_file_hash and
5126	pfile->nonexistent_file_ob.
5127	(_cpp_cleanup_files): Free pfile->nonexistent_file_hash and
5128	pfile->nonexistent_file_ob.
5129
51302007-05-14  Janis Johnson  <janis187@us.ibm.com>
5131
5132	* expr.c (cpp_classify_number): Warn about dfp constant for -pedantic.
5133
5134	PR c/31924
5135	* expr.c (interpret_float_suffix): Check for invalid suffix.
5136
51372007-05-02  Eric Christopher  <echristo@apple.com>
5138
5139	* expr.c (num_div_op): Don't overflow if the result is
5140	zero.
5141
51422007-05-02  Tom Tromey  <tromey@redhat.com>
5143
5144	PR preprocessor/28709
5145	* macro.c (paste_tokens): Remove PASTE_LEFT from the old lhs.
5146
51472007-03-30  Michael Meissner  <michael.meissner@amd.com>
5148
5149	* directives.c (lex_macro_node_from_str): Fix alloca call to be
5150	type correct.
5151
51522007-03-30  Richard Henderson  <rth@redhat.com>
5153
5154	* directives.c (lex_macro_node_from_str): New.
5155	(cpp_push_definition, cpp_pop_definition): New.
5156	* include/cpplib.h (cpp_push_definition, cpp_pop_definition): Declare.
5157
51582007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5159
5160	* Makefile.in: Add dummy install-pdf target.
5161
51622007-01-30  Tom Tromey  <tromey@redhat.com>
5163
5164	PR preprocessor/30468
5165	* mkdeps.c (apply_vpath): Strip successive '/'s if we stripped
5166	'./'.
5167
51682007-01-30  Tom Tromey  <tromey@redhat.com>
5169
5170	PR preprocessor/29966
5171	* macro.c (lex_expansion_token): Save and restore cpp_reader's
5172	cur_token.
5173	(_cpp_create_definition): Don't restore cur_token here.
5174	* lex.c (_cpp_lex_token): Added assertion.
5175
51762007-01-27  Tom Tromey  <tromey@redhat.com>
5177
5178	* configure: Rebuilt.
5179
51802007-01-12  Tom Tromey  <tromey@redhat.com>
5181
5182	PR preprocessor/28227
5183	* directives.c (lex_macro_node): Added 'is_def_or_undef'
5184	argument.
5185	(do_define): Update.
5186	(do_undef): Update.
5187	(do_ifdef): Update.
5188	(do_ifndef): Update.
5189
51902007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5191
5192	* configure: Regenerate.
5193
51942007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5195
5196	* configure: Regenerate.
5197
51982007-01-04  Tom Tromey  <tromey@redhat.com>
5199
5200	PR preprocessor/28165
5201	* internal.h (cpp_in_primary_file): New function.
5202	* directives.c (do_include_next): Use cpp_in_primary_file.
5203	(do_pragma_once): Likewise.
5204	(do_pragma_system_header): Likewise.
5205
52062006-12-29  Ian Lance Taylor  <iant@google.com>
5207
5208	* lex.c (_cpp_clean_line): Add uses of __builtin_expect.  Don't
5209	look backward at the end of the line unless we saw a backslash.
5210
52112006-12-29  Jakub Jelinek  <jakub@redhat.com>
5212
5213	PR preprocessor/29612
5214	* directives.c (do_linemarker): Set pfile->buffer->sysp always, not
5215	only when new_sysp is non-zero.
5216
52172006-12-28  Tom Tromey  <tromey@redhat.com>
5218
5219	PR preprocessor/30001
5220	* charset.c (_cpp_convert_input): Check that to.len is greater
5221	than zero.
5222
52232006-11-20  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
5224
5225	* configure.ac (need_64bit_hwint): Need 64bit hwint for SPU.
5226	* configure: Rebuilt.
5227
52282006-11-01	Douglas Gregor <doug.gregor@gmail.com>
5229
5230	* include/cpplib.h (enum c_lang): Add CLK_GNUCXX0X and CLK_CXX0X
5231	for experimental C++0x mode.
5232	* init.c (lang_defaults): Add defaults for C++0x modes. C++0x has
5233	adopted the preprocessor changes introduced in C99.
5234
52352006-10-29  Joseph Myers  <joseph@codesourcery.com>
5236
5237	* configure.ac (need_64bit_hwint): Set for i[34567]86-*-linux*
5238	depending on --enable-targets=all.
5239	* configure: Regenerate.
5240
52412006-10-12  Jakub Jelinek  <jakub@redhat.com>
5242
5243	PR preprocessor/28709
5244	* macro.c (paste_tokens): Do error reporting here, use BUF with the
5245	spelled LHS token as opposed to spelling it again.
5246	(paste_all_tokens): Don't report errors here, just break on failure.
5247
52482006-10-10  Brooks Moses  <bmoses@stanford.edu>
5249
5250	* Makefile.in: Added empty "pdf" target.
5251
52522006-09-22  Geoffrey Keating  <geoffk@apple.com>
5253
5254	* configure.ac: Make need_64_bit_hwint case for x86-darwin
5255	match exactly the glob in gcc/config.gcc.
5256	* configure: Regenerate.
5257
52582006-09-13  Joseph S. Myers  <joseph@codesourcery.com>
5259
5260	PR c/28768
5261	PR preprocessor/14634
5262	* lex.c (lex_string): Pedwarn for unterminated literals.
5263
52642006-09-08  Eric Christopher  <echristo@apple.com>
5265
5266	* configure.ac: Add 64-bit HWI support for i?86-darwin.
5267
52682006-08-14  Steve Ellcey  <sje@cup.hp.com>
5269
5270	PR c++/28288
5271	PR c++/14556
5272	* include/cpplib.h: Remove <?, >?, <?=, and >?= tokens.
5273	(CPP_LAST_EQ): Change.
5274	(CPP_LAST_PUNCTUATOR): Change.
5275	* expr.c (cpp_operator): Remove MIN and MAX.
5276	(reduce): Remove CPP_MIN and CPP_MAX.
5277	(num_binary_op): Ditto.
5278	* lex.c (_cpp_lex_direct): Ditto.
5279	(cpp_avoid_paste): Remove ? as legal symbol after > or <.
5280
52812006-06-09  Jakub Jelinek  <jakub@redhat.com>
5282
5283	PR preprocessor/27746
5284	* directives.c (do_pragma): Handle pragma with valid namespace
5285	and invalid name coming from macro expansion.
5286	* directives.c (destringize_and_run): Initialize next field in
5287	context.
5288
5289	PR c/27747
5290	PR c++/27748
5291	* directives.c (destringize_and_run): Set NO_EXPAND on the
5292	tokens.
5293
5294	* macro.c (_cpp_backup_tokens): Fix comment typo.
5295
52962006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
5297
5298	* Makefile.in (CATALOGS): Add po/ prefix.
5299	* configure: Regenerated.
5300
53012006-05-23  Carlos O'Donell  <carlos@codesourcery.com>
5302
5303	* Makefile.in: Add install-html target. Add install-html to .PHONY
5304
53052006-02-17  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5306
5307	* macro.c (_cpp_builtin_macro_text): Handle BT_TIMESTAMP.
5308	* files.c (_cpp_get_file_stat): New function.
5309	* include/cpplib.h (builtin_type): Add BT_TIMESTAMP.
5310	* init.c (builtin_array): Add support for __TIMESTAMP__/BT_TIMESTAMP.
5311	* internal.h (_cpp_get_file_stat): Prototype.
5312	(struct cpp_buffer): Add timestamp.
5313
53142006-01-23  Jakub Jelinek  <jakub@redhat.com>
5315
5316	PR preprocessor/25717
5317	* init.c (cpp_init_builtins): If __STDC__ will not change value
5318	between system headers and other sources, define it as a normal
5319	macro rather than a builtin.
5320	* macro.c (_cpp_builtin_macro_text) <case BT_STDC>: Only check
5321	cpp_in_system_header condition.
5322
53232006-01-05  Paolo Bonzini  <bonzini@gnu.org>
5324
5325	* Makefile.in: Use -MMD instead of -MD.
5326
53272006-01-04  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5328	    Richard Henderson  <rth@redhat.com>
5329
5330	Merge from gomp branch:
5331	* directives.c (struct pragma_entry): Add is_deferred.  Add ident
5332	entry to value union.
5333	(end_directive): Don't eat the line if in_deferred_pragma.
5334	(run_directive): Remove pragma hacks.
5335	(insert_pragma_entry): Remove.
5336	(new_pragma_entry): New.
5337	(register_pragma_1): Split out of register_pragma.  Only handle
5338	the lookup tree and return the new entry.
5339	(cpp_register_pragma): Fill in the pragma entry here.
5340	(cpp_register_deferred_pragma): New.
5341	(register_pragma_internal): New.
5342	(_cpp_init_internal_pragmas): Use register_pragma_internal.
5343	(do_pragma): Allow pragma expansion after namespace.  For deferred
5344	pragmas, don't slurp the line into a string.
5345	(destringize_and_run): Save tokens for deferred pragmas.
5346	(cpp_handle_deferred_pragma): Remove.
5347	* macro.c (builtin_macro): Remove pragma token hack.
5348	(_cpp_push_token_context): Rename from push_token_context and export.
5349	* internal.h (struct lexer_state): Add pragma_allow_expansion.
5350	(_cpp_push_token_context): Declare.
5351	* lex.c (_cpp_lex_token): Allow _cpp_handle_directive to return
5352	a token.  Update the line number correctly if so.
5353	(_cpp_lex_direct): Emit CPP_PRAGMA_EOL tokens.
5354	(cpp_token_val_index): Return CPP_TOKEN_FLD_PRAGMA for pragmas.
5355	* include/cpplib.h (PRAGMA_EOL): New.
5356	(CPP_TOKEN_FLD_PRAGMA): New.
5357	(struct cpp_token): Add val.pragma.
5358	(struct cpp_options): Remove defer_pragmas.
5359	(cpp_handle_deferred_pragma): Remove.
5360	(cpp_register_deferred_pragma): Declare.
5361
53622006-01-01  Jakub Jelinek  <jakub@redhat.com>
5363
5364	PR c++/25294
5365	* directives.c (do_pragma): If pragma line ends with multi-line
5366	block comment, end the saved deferred pragma string before that
5367	comment.  Handle embedded '\0' chars on the pragma line.
5368
53692005-12-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5370
5371	PR c++/23333
5372	* include/cpplib.h: Add PURE_ZERO to flags for the cpp_token structure.
5373
53742005-12-07  Jon Grimm  <jgrimm2@us.ibm.com>
5375	    Ben Elliston  <bje@au.ibm.com>
5376
5377	* include/cpplib.h (CPP_N_DFLOAT): New.
5378	* expr.c (interpret_float_suffix): Identify df, dd, and dl
5379	suffixes as decimal floating point constants.
5380	(cpp_classify_number): Disallow hexadecimal DFP constants.
5381
53822005-11-14  Gerald Pfeifer  <gerald@pfeifer.com>
5383	    Ian Lance Taylor  <ian@airs.com>
5384
5385	* include/cpplib.h (struct cpp_callbacks): Annotate error with
5386	ATTRIBUTE_FPTR_PRINTF(3,0) instead of ATTRIBUTE_PRINTF(3,0).
5387
53882005-11-09  Per Bothner  <per@bothner.com>
5389	    Uros Bizjak  <uros@kss-loka.si>
5390
5391	PR c/24101
5392	* init.c (read_original_filename): Temporarily set
5393	state.in_directive before calling _cpp_lex_direct for
5394	CPP_HASH tokens.
5395
53962005-11-03  James E Wilson  <wilson@specifix.com>
5397
5398	PR preprocessor/24202
5399	* files.c (_cpp_pop_file_buffer): Set buffer_valid to false.
5400
54012005-11-04  Joseph S. Myers  <joseph@codesourcery.com>
5402
5403	* include/cpplib.h (struct cpp_callbacks): Make error take
5404	va_list* parameter.
5405	* errors.c (cpp_error): Update call to callback.
5406
54072005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
5408
5409	PR preprocessor/22042
5410	* macro.c (_cpp_builtin_macro_text): Lower the needed max
5411	buffer size.
5412	(cpp_quote_string): Don't octalify non printable
5413	charactors.
5414
54152005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
5416
5417	PR c++/17964
5418	* include/cpplib.h (struct cpp_options): Add client_diagnostic.
5419	(struct cpp_callbacks): Add error.
5420	* errors.c (cpp_error): If client_diagnostic, use error callback.
5421	* charset.c (convert_escape): Don't use %03o in diagnostic.
5422
54232005-10-21  James E Wilson  <wilson@specifix.com>
5424
5425	PR preprocessor/15220
5426	* files.c (_cpp_find_file): New parameter angle_brackets.  Fix all
5427	callers.  Pass to open_file_failed.
5428	(open_file_failed): New parameter angle_brackets.  Fix all callers.
5429	Use in print_dep assignment.
5430	* init.c (cpp_read_main_file): Pass additional arg to _cpp_find_file.
5431	* internal.h (_cpp_find_file): Add new parm to declaration.
5432
54332005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5434
5435	* configure.ac: Require 64-bit int for arm*-*-*eabi*.
5436	* configure: Regenerate.
5437
54382005-10-04  Ian Lance Taylor  <ian@airs.com>
5439
5440	PR preprocessor/13726
5441	* directives.c (check_eol_return_comments): New static function.
5442	(parse_include): Add buf parameter.  Change all callers.
5443	(do_include_common): If not discard comments, turn on
5444	save_comments.  Pass collected comments to include callback.
5445	* include/cpplib.h (struct cpp_callbacks): Add new parameter to
5446	include callback: cpp_token list.
5447
54482005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5449
5450	* include/cpplib.h (struct cpp_options): Add extended_identifiers.
5451	* init.c (struct lang_flags, lang_defaults): Add
5452	extended_identifiers.
5453	(cpp_set_lang): Use it.
5454	* lex.c (forms_identifier_p): Check extended_identifiers.
5455
54562005-08-30  Jakub Jelinek  <jakub@redhat.com>
5457
5458	PR preprocessor/20348
5459	PR preprocessor/20356
5460	* files.c (_cpp_find_file, search_cache): Revert 2004-06-26 and
5461	2004-06-05 changes.
5462
54632005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5464
5465	* configure.ac (ACX_PROG_CC_WARNING_OPTS): add
5466	-Wmissing-format-attribute.
5467
5468	* configure: Regenerate.
5469
54702005-06-29  Kelley Cook  <kcook@gcc.gnu.org>
5471
5472	* all files: Update FSF address in copyright headers.
5473	* makeucnid.c (write_copyright): Update outputted FSF address.
5474
54752005-06-13  Zack Weinberg  <zack@codesourcery.com>
5476
5477	* configure.ac: Invoke ZW_CREATE_DEPDIR and
5478	ZW_PROG_COMPILER_DEPENDENCIES.
5479	* aclocal.m4, configure: Regenerate.
5480	* Makefile.in (DEPMODE, DEPDIR, depcomp, COMPILE.base, COMPILE):
5481	New variables.
5482	(distclean): Clean up $(DEPDIR) and its contents.
5483	(.c.o): Use $(COMPILE).
5484	Include $(DEPDIR)/*.Po for most object->header dependencies.
5485
54862005-05-28  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5487
5488	* configure.ac: Check declarations for asprintf and vasprintf.
5489	* config.in: Regenerate.
5490	* configure: Likewise.
5491
5492	* charset.c (conversion_loop): Use XRESIZEVEC.
5493	(convert_no_conversion): Likewise.
5494	(convert_using_iconv): Likewise.
5495	(init_iconv_desc): Cast return value of alloca.
5496	(cpp_host_to_exec_charset): Use XNEWVEC.
5497	(emit_numeric_escape): Use XRESIZEVEC.
5498	(cpp_interpret_string): Use XNEWVEC.
5499	(cpp_interpret_string): Use XRESIZEVEC.
5500	(_cpp_interpret_identifier): Cast return value of alloca.
5501	(_cpp_convert_input): Use XNEWVEC and XRESIZEVEC.
5502	* directives.c (glue_header_name): Use XNEWVEC and XRESIZEVEC.
5503	(parse_include): Use XNEWVEC.
5504	(insert_pragma_entry): Rename local variable "new" to
5505	"new_entry".
5506	(save_registered_pragmas): Cast return value of xmemdup.
5507	(destringize_and_run): Same for alloca.
5508	(parse_assertion): Likewise.
5509	(do_assert): Cast allocated storage to proper type.
5510	(cpp_define): Likewise.
5511	(_cpp_define_builtin): Likewise.
5512	(cpp_undef): Likewise.
5513	(handle_assertion): Likewise.
5514	(cpp_push_buffer): Rename local variable "new" to "new_buffer".
5515	* expr.c (CPP_UPLUS): Cast value to type cpp_ttype.
5516	(CPP_UMINUS): Likewise.
5517	(struct cpp_operator): Rename from struct operator.
5518	(_cpp_expand_op_stack): Use XRESIZEVEC.
5519	* files.c (pch_open_file): Use XNEWVEC.
5520	(pch_open_file): Use XRESIZEVEC.
5521	(read_file_guts): Use XNEWVEC and XRESIZEVEC.
5522	(dir_name_of_file): Use XNEWVEC.
5523	(make_cpp_file): Use XCNEW.
5524	(make_cpp_dir): Likewise.
5525	(allocate_file_hash_entries): USE XNEWVEC.
5526	(cpp_included): Cast return value of htab_find_with_hash.
5527	(append_file_to_dir): Use XNEWVEC.
5528	(read_filename_string): Likewise. Use XRESIZEVEC too.
5529	(read_name_map): Cast return value of alloca.  Use XRESIZEVEC.
5530	(remap_filename): Use XNEWVEC.
5531	(struct pchf_entry): Move definition out of struct pchf_data.
5532	(_cpp_save_file_entries): Use XCNEWVAR.
5533	(_cpp_read_file_entries): Use XNEWVAR.
5534	* identifiers.c (alloc_node): Use XOBNEW.
5535	* init.c (cpp_create_reader): Use XCNEW.
5536	(cpp_init_builtins): Cast of b->value to enum builtin_type.
5537	(read_original_directory): Cast return value of alloca.
5538	* lex.c (add_line_note): Use XRESIZEVEC.
5539	(warn_about_normalization): Use XNEWVEC.
5540	(_cpp_lex_direct): Cast node->directive_index to (enum cpp_ttype).
5541	(new_buff): Use XNEWVEC.
5542	* line-map.c (linemap_add): Use XRESIZEVEC.
5543	* macro.c (builtin_macro): Cast return value of alloca.
5544	(paste_tokens): Likewise.
5545	(expand_arg): Use XNEWVEC and XRESIZEVEC.
5546	(_cpp_save_parameter): Use XRESIZEVEC.
5547	(create_iso_definition): Cast allocated storage to proper type.
5548	(_cpp_create_definition): Likewise.
5549	(cpp_macro_definition): Use XRESIZEVEC.
5550	* makedepend.c (add_clm): Use XNEW.
5551	(add_dir): Likewise.
5552	* mkdeps.c (munge): Use XNEWVEC.
5553	(deps_init): Use XCNEW.
5554	(deps_add_target): Use XRESIZEVEC.
5555	(deps_add_default_target): Cast return value of alloca.
5556	(deps_add_dep): Use XRESIZEVEC.
5557	(deps_add_vpath): Likewise.  Use XNEWVEC too.
5558	(deps_restore): Likewise.
5559	* pch.c (save_idents): Use XNEW and XNEWVEC.
5560	(cpp_save_state): Use XNEW.
5561	(count_defs): Cast return value of htab_find.
5562	(write_defs): Likewise.
5563	(cpp_write_pch_deps): Use XNEWVEC.
5564	(collect_ht_nodes): Use XRESIZEVEC.
5565	(cpp_valid_state): Use XNEWVEC.
5566	(save_macros): Use XRESIZEVEC.  Cast return value of xmemdup.
5567	* symtab.c (ht_create): Use XCNEW.
5568	(ht_lookup_with_hash): Cast return value of obstack_copy0.
5569	(ht_expand): Use XCNEWVEC.
5570	* system.h (HAVE_DESIGNATED_INITIALIZERS): False if __cplusplus.
5571	(bool): Do not define if __cplusplus.
5572
55732005-05-12  Zack Weinberg  <zack@codesourcery.com>
5574
5575	* directives.c (#sccs table entry): Mark IN_I, consistent with #ident.
5576	(do_sccs): Delete function definition, #define to do_ident.
5577	(do_ident): Don't hardwire directive name.
5578
55792005-05-12  Ryota Kunisawa  <kunisawa@access.co.jp>
5580
5581	PR bootstrap/21230
5582	* configure: Regenerate.
5583
55842005-04-27  Andris Pavenis  <pavenis@latnet.lv>
5585
5586	* files.c: Include io.h for DJGPP to get prototype of setmode.
5587
55882005-04-19  Per Bothner  <per@bothner.com>
5589
5590	PR preprocessor/20907
5591	* line-map.c (linemap_line_start): Fix bug when we need to increse
5592	column_bits but can re-use the current line_map.
5593
55942005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5595
5596	* system.h (fopen, fdopen, freopen): Define these to the unlocked
5597	libiberty functions.
5598
55992005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5600
5601	* configure.ac (libcpp_UNLOCKED_FUNCS): New.
5602	(AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for libcpp_UNLOCKED_FUNCS.
5603	* system.h (putchar, getc, getchar, clearerr, feof, fileno,
5604	fflush, fgetc, fgets, ferror, fread): Redefine to the associated
5605	_unlocked function.
5606	(fwrite_unlocked): Fix prototype.
5607
5608	* configure, config.in: Regenerate.
5609
56102005-04-05  Jakub Jelinek  <jakub@redhat.com>
5611
5612	PR preprocessor/19475
5613	* macro.c (create_iso_definition): For < ISO C99, don't
5614	pedwarn if there is no whitespace between macro name and its
5615	replacement, but the replacement starts with a basic character
5616	set character.
5617
56182005-03-28  Andreas Jaeger  <aj@suse.de>
5619
5620	* lex.c (warn_about_normalization): Cast field width to int to
5621	avoid warning.
5622
56232005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
5624
5625	* configure.ac: Consistently use solaris2.1[0-9]* instead of
5626	solaris2.1[0-9].
5627	* configure: Regenerate.
5628
56292005-03-15  Geoffrey Keating  <geoffk@apple.com>
5630
5631	* charset.c (_cpp_valid_ucn): In identifiers, reject a partial
5632	UCN rather than printing an error.
5633
56342005-03-14  Geoffrey Keating  <geoffk@apple.com>
5635
5636	* lex.c (forms_identifier_p): Disable UCNs in C89 mode.
5637
56382005-03-14  Geoffrey Keating  <geoffk@apple.com>
5639
5640	* init.c (cpp_create_reader): Default warn_normalize to normalized_C.
5641	* charset.c: Update for new format of ucnid.h.
5642	(ucn_valid_in_identifier): Update for new format of ucnid.h.
5643	Add NST parameter, and update it; update callers.
5644	(cpp_valid_ucn): Add NST parameter, update callers.  Replace abort
5645	with cpp_error.
5646	(convert_ucn): Pass normalize_state to cpp_valid_ucn.
5647	* internal.h (struct normalize_state): New.
5648	(INITIAL_NORMALIZE_STATE): New.
5649	(NORMALIZE_STATE_RESULT): New.
5650	(NORMALIZE_STATE_UPDATE_IDNUM): New.
5651	(_cpp_valid_ucn): New.
5652	* lex.c (warn_about_normalization): New.
5653	(forms_identifier_p): Add normalize_state parameter, update callers.
5654	(lex_identifier): Add normalize_state parameter, update callers.  Keep
5655	the state current.
5656	(lex_number): Likewise.
5657	(_cpp_lex_direct): Pass normalize_state to subroutines.  Check
5658	it with warn_about_normalization.
5659	* makeucnid.c: New.
5660	* ucnid.h: Replace.
5661	* ucnid.pl: Remove.
5662	* ucnid.tab: Make appropriate for input to makeucnid.c.  Remove
5663	comments about obsolete version of C++.
5664	* include/cpplib.h (enum cpp_normalize_level): New.
5665	(struct cpp_options): Add warn_normalize field.
5666
56672005-03-11  Geoffrey Keating  <geoffk@apple.com>
5668
5669	* directives.c (glue_header_name): Update call to cpp_spell_token.
5670	* internal.h (_cpp_interpret_identifier): New.
5671	* charset.c (_cpp_interpret_identifier): New.
5672	(_cpp_valid_ucn): Allow UCN version of '$'.
5673	* lex.c (lex_identifier): Add extra parameter to indicate if initial
5674	character was '$' or '\'.  Support identifiers with UCNs.
5675	(forms_identifier_p): Allow UCNs.
5676	(_cpp_lex_direct): Pass extra parameter to lex_identifier.
5677	(utf8_to_ucn): New.
5678	(cpp_spell_token): Add FORSTRING parameter.  Use it.
5679	(cpp_token_as_text): Update call to cpp_spell_token.
5680	(cpp_output_token): Write UCNs back out.
5681	(stringify_arg): Update call to cpp_spell_token.
5682	(paste_tokens): Likewise.
5683	(cpp_macro_definition): Likewise.
5684	* macro.c (stringify_arg): Likewise.
5685	(paste_tokens): Likewise.
5686	(cpp_macro_definition): Likewise.
5687	* include/cpplib.h: Add parameter to cpp_spell_token.
5688
56892005-03-04  Jakub Jelinek  <jakub@redhat.com>
5690
5691	PR bootstrap/20282
5692	PR bootstrap/20305
5693	* macro.c (replace_args, cpp_get_token): Copy whole
5694	cpp_token_u instead of just cpp_string field from it.
5695
56962005-02-28  Devang Patel  <dpatel@apple.com>
5697
5698	* directives.c (do_line): Save sysp early before line table is
5699	realloc'ed.
5700
57012005-02-20  Zack Weinberg  <zack@codesourcery.com>
5702
5703	PR 18785
5704	* charset.c (LAST_POSSIBLY_BASIC_SOURCE_CHAR): New helper macro.
5705	(cpp_host_to_exec_charset): New function.
5706	* include/cpplib.h: Declare cpp_host_to_exec_charset.
5707
57082005-02-19  Devang Patel  <dpatel@apple.com>
5709
5710	* charset.c (_cpp_convert_input): Check '\r' before inserting
5711	'\n' at the end.
5712
57132005-02-15  Eric Christopher  <echristo@redhat.com>
5714
5715	PR preprocessor/19077
5716	* macro.c (cpp_macro_definition): Move handling of whitespace
5717	to PREV_WHITE conditional. Remove overloading of len
5718	variable.
5719
57202005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
5721
5722	* directives.c, files.c, init.c, internal.h, macro.c, pch.c,
5723	traditional.c: Update copyright.
5724
57252005-02-14  Paolo Bonzini  <bonzini@gnu.org>
5726
5727	PR bootstrap/19818
5728	* configure.ac: Check for declaration of basename and getopt.
5729	* config.in: Regenerate.
5730	* configure: Regenerate.
5731	* internal.h (ustrcspn): New.
5732	* macro.c (create_iso_definition): Fix allocation of memory.
5733	(padding_token): Add cast to remove const-ness.
5734	* pch.c (cpp_read_state): Use ustrcspn.
5735
57362005-02-08  Mike Stump  <mrs@apple.com>
5737
5738	* files.c (pchf_adder): Remove.
5739	(struct pchf_adder_info): Likewise.
5740	(_cpp_save_file_entries): Write out all files so that #import works.
5741
57422005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
5743
5744	* configure: Regenerate.
5745
57462005-01-11  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
5747
5748	* include/cpplib.h (c_lang): Fix comment to say cpp_create_reader.
5749
5750	* include/cpplib.h: Also update copyright years.
5751
57522005-01-03  Geoffrey Keating  <geoffk@apple.com>
5753
5754	* files.c (_cpp_find_file): Add files found by search_path_exhausted
5755	to the list of all files.
5756
57572005-01-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5758
5759	* internal.h: Update references to Cpp lib filenames.
5760	* directives.c: Likewise.
5761	* init.c: Likewise.
5762	* macro.c: Likewise.
5763	* traditional.c: Likewise.
5764
57652004-12-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
5766
5767	PR preprocessor/15167
5768	* files.c (destroy_cpp_file): New function.
5769	(should_stack_file): Make a new file if the
5770	compared file is still stacked.
5771
57722004-11-28  Nathanael Nerode  <neroden@gcc.gnu.org>
5773
5774	PR preprocessor/17610
5775	* directives.c (do_include_common): Error out if an empty filename
5776	is given for #include (or #include_next or #import).
5777
57782004-11-27  Roger Sayle  <roger@eyesopen.com>
5779	    Zack Weinberg  <zack@codesourcery.com>
5780
5781	* internal.h: Replace all uses of uchar with unsigned char.
5782	* include/cpp-id-data.h: Likewise.  Guard typedef of uchar
5783	with !IN_GCC, so uchar is only defined whilst building libcpp.
5784
57852004-11-24  Kelley Cook  <kcook@gcc.gnu.org>
5786
5787	* aclocal.m4: Regenerate.
5788
57892004-11-24  Roger Sayle  <roger@eyesopen.com>
5790
5791	PR preprocessor/15824
5792	* configure.ac: Correct HAVE_UCHAR test to #include <sys/types.h>
5793	directly, instead of the non-existant "system.h" and "ansidecl.h".
5794	* configure: Regenerate.
5795
57962004-11-23  Daniel Jacobowitz  <dan@codesourcery.com>
5797	    Joseph Myers  <joseph@codesourcery.com>
5798
5799	* internal.h (struct lexer_state): Add in_deferred_pragma.
5800	* directives.c (struct pragma_entry): Add allow_expansion.
5801	(insert_pragma_entry): Take allow_expansion flag.
5802	(register_pragma): Likewise.
5803	(cpp_register_pragma): Likewise.
5804	(_cpp_init_internal_pragmas): Update calls to cpp_register_pragma.
5805	(do_pragma): Honor allow_expansion.
5806	(cpp_handle_deferred_pragma): Set in_deferred_pragma.
5807	* include/cpplib.h (cpp_register_pragma): Update prototype.
5808
58092004-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
5810	    Mark Mitchell  <mark@codesourcery.com>
5811
5812	* configure.ac (i[34567]86-*-solaris2.1[0-9]*): Set
5813	need_64bit_hwint=yes.
5814	* configure: Regenerate.
5815
58162004-11-09  Joseph S. Myers  <joseph@codesourcery.com>
5817
5818	* Makefile.in ($(PACKAGE).pot): New rule.  Depend on
5819	po/$(PACKAGE).pot.
5820	(po/$(PACKAGE).pot): Use ":" instead of "," in --keyword
5821	arguments.  Add keywords _, N_, SYNTAX_ERROR and SYNTAX_ERROR2.
5822	Remove local srcdir path from generated file.
5823
58242004-11-04  Zack Weinberg  <zack@codesourcery.com>
5825	    Gerald Pfeifer  <gerald@pfeifer.com>
5826
5827	* internal.h (HAVE_ICONV): Undefine if we do not have HAVE_ICONV_H
5828	as well.
5829
58302004-10-27  Zack Weinberg  <zack@codesourcery.com>
5831
5832	PR 18075
5833	* directives.c (do_pragma): Do not defer pragmas which are unknown.
5834	(cpp_handle_deferred_pragma): Add cast to silence warning.
5835
58362004-10-14  Joseph S. Myers  <jsm@polyomino.org.uk>
5837
5838	* errors.c (_cpp_begin_message): Print "error: " for errors.
5839
58402004-10-10  Andreas Jaeger  <aj@suse.de>
5841
5842	* makedepend.c: Include mkdeps.h for prototype of deps_add_vpath.
5843	* Makefile.in (makedepend.o): Add dependency on mkdeps.h.
5844
58452004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
5846
5847	* pch.c (cpp_write_pch_state): Remove variable z as it is not
5848	used.
5849	(cpp_read_state): Remove unused variables, m, d and mac_count.
5850
58512004-09-29  Per Bothner  <per@bothner.com>
5852
5853	* directives.c (cpp_handle_deferred_pragma):  Save, clear and restore
5854	cb.line_change.  Otherwise do_pragma will call the line_change
5855	call-back with a meaningless line number.
5856
58572004-09-24  Zack Weinberg  <zack@codesourcery.com>
5858
5859	* configure.ac: Move AC_PROG_MAKE_SET, AC_PROG_INSTALL to
5860	programs cluster. Use ACX_PROG_CC_WARNING_OPTS,
5861	ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_PROG_CC_WARNINGS_ARE_ERRORS.
5862	* aclocal.m4, configure: Regenerate.
5863	* init.c: Include localedir.h.
5864	* Makefile.in (WARN_CFLAGS, ALL_CFLAGS): New variables.
5865	(DEFS): Delete.
5866	(.c.o): Use $(ALL_CFLAGS).
5867	(localedir.h, localedir.hs): New rules.
5868	(clean): Use rm -rf to remove directories.
5869	(distclean): Also delete localedir.h and localedir.hs.
5870	(init.o): Update dependencies.
5871
58722004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
5873
5874	* Makefile.in (aclocal.m4): Update dependencies.
5875	* configure.ac (AC_CONFIG_MACRO_DIR): New.
5876	* aclocal.m4, configure: Regenerate.
5877
58782004-09-17  Zack Weinberg  <zack@codesourcery.com>
5879
5880	* charset.c (_cpp_destroy_iconv, emit_numeric_escape)
5881	(_cpp_convert_input, _cpp_default_encoding): Add comments.
5882	Some other comments in this file also tweaked.
5883
5884	* directives.c (do_pragma): Save current buffer position
5885	before lexing the pragma keywords; don't call
5886	_cpp_backup_tokens in the defer_pragmas case.
5887
58882004-09-15  Per Bothner  <per@bothner.com>
5889
5890	* include/line-map.h (line_map_start):  Add parameter names so
5891	preceding comment makes sense.
5892	(linemap_add):  Remove from comment mention of non-existing parameter.
5893
58942004-09-09  Matt Austern  <austern@apple.com>
5895	    Zack Weinberg  <zack@codesourcery.com>
5896
5897	* include/cpplib.h (TTYPE_TABLE): Remove CPP_ and SPELL_
5898	prefixes throughout.  Add entry for PRAGMA.  Remove
5899	unnecessary "= 0" from EQ.
5900	(enum cpp_ttype): Adjust OP and TK definitions to restore
5901	prefixes, via token-paste.
5902	(CPP_LAST_EQ, CPP_FIRST_DIGRAPH, CPP_LAST_PUNCTUATOR, CPP_LAST_CPP_OP):
5903	Change from #defines to additional cpp_ttype enumerators.
5904	(struct cpp_options): Add defer_pragmas.
5905	(cpp_handle_deferred_pragma): Prototype new interface.
5906
5907	* internal.h (struct cpp_reader): Add directive_result.
5908	* directives.c (struct pragma_entry): Add is_internal field;
5909	give boolean fields type bool.
5910	(start_directive): Initialize pfile->directive_result.type.
5911	(_cpp_do__Pragma): Likewise.
5912	(run_directive): Do not crash if pfile->buffer->prev is NULL.
5913	(insert_pragma_entry): Add 'internal' argument; set new->is_internal
5914	from it.
5915	(register_pragma): New static function, bulk of former
5916	cpp_register_pragma here; add 'internal' argument, pass along
5917	to insert_pragma_entry.
5918	(cpp_register_pragma): Now a wrapper around register_pragma which
5919	always passes false for 'internal' argument.
5920	(_cpp_init_internal_pragmas): Call register_pragma directly, passing
5921	true for 'internal'.
5922	(do_pragma): If CPP_OPTION (pfile, defer_pragmas) and this isn't
5923	an internal pragma, save text till the end of the line as a CPP_PRAGMA
5924	token instead of executing the pragma.
5925	(cpp_handle_deferred_pragma): New interface.
5926	* lex.c (token_spellings): Adjust OP and TK definitions to
5927	match changes to cpplib.h.
5928	(_cpp_lex_token): Check for a directive-result token and
5929	return it if present.
5930	(cpp_token_val_index): Handle CPP_PRAGMA.
5931	* macro.c (cpp_builtin_macro_text): Correct comment.
5932	(builtin_macro): Handle directive-result tokens from _cpp_do__Pragma.
5933
59342004-09-06  Serge Belyshev  <belyshev@lubercy.com>
5935
5936	PR preprocessor/14699
5937	* symtab.c (ht_dump_statistics): Change type of sum_of_squares
5938	from size_t to double.
5939
59402004-08-28  Andreas Schwab  <schwab@suse.de>
5941	    Andreas Jaeger <aj@suse.de>
5942
5943	* configure.ac: Set PACKAGE correctly.
5944	* configure: Regenerated.
5945
59462004-08-25  Paolo Bonzini  <bonzini@gnu.org>
5947
5948	* Makefile.in: Add back top_builddir.
5949
59502004-08-25  Paolo Bonzini  <bonzini@gnu.org>
5951
5952	* configure.ac: Replace Automake macro invocations
5953	with manual Autoconf checks and substitutions.
5954	* configure: Regenerate.
5955	* aclocal.m4: Regenerate.
5956	* config.in: Regenerate.
5957	* Makefile.am: Removed.
5958	* Makefile.in: Heavy simplification and reorganization.
5959
59602004-08-09  Mark Mitchell  <mark@codesourcery.com>
5961
5962	* configure.ac (arm*-*-eabi*): New target.
5963	(arm*-*-symbianelf*): Likewise.
5964	* configure: Regenerated.
5965
59662004-07-24  Bernardo Innocenti  <bernie@develer.com>
5967
5968	* internal.h (xnew, xcnew, xnewvec, xcnewvec, xobnew): Remove.
5969	* directives.c: Use XNEW-family macros from libiberty.
5970	* lex.c: Likewise.
5971	* macro.c: Likewise.
5972	* cpplib.h (cpp_deps_style): Export enum with name.
5973
59742004-07-23  Matthias Klose  <doko@debian.org>
5975
5976	* init.c (init_library): Use PACKAGE for the text domain.
5977
59782004-07-16  Andris Pavenis  <pavenis@latnet.lv>
5979
5980	PR preprocessor/16366
5981	* internal.h (struct cpp_reader): New field dir_hash.
5982	* files.c (make_cpp_dir): Use dir_hash, not file_hash.
5983	(_cpp_init_files, _cpp_cleanup_files): Update for new field.
5984
59852004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
5986
5987	PR preprocessor/16192
5988	PR preprocessor/15913
5989	PR preprocessor/15572
5990	* expr.c (_cpp_parse_expr): Handle remaining cases where an
5991	expression is missing.
5992	* init.c (post_options): Traditional cpp doesn't do // comments.
5993
59942004-06-30  Per Bothner  <per@bothner.com>
5995
5996	* include/line-map.h (fileline):  Remove old typedef.
5997	* internal.h (struct cpp_reader):  Use source_location typedef instead.
5998
59992004-06-26  Zack Weinberg  <zack@codesourcery.com>
6000
6001	Partially revert patch of 2004-06-05.
6002	* files.c (search_cache): Remove pfile argument.  Don't check
6003	for file that would be found by "" or <> search here...
6004	(_cpp_find_file): ...do it here, before calling find_file_in_dir.
6005	Do not apply directory-of-current-file correction to files
6006	found by this check.  Rearrange code slightly.
6007
60082004-06-21  Geoffrey Keating  <geoffk@apple.com>
6009
6010	* files.c (should_stack_file): Correct swapped parameters to call
6011	to cb.read_pch.
6012	* pch.c (cpp_valid_state): Handle -fpreprocessed.
6013
60142004-06-15  Paolo Bonzini  <bonzini@gnu.org>
6015
6016	* Makefile.in: Regenerate with automake 1.8.5.
6017	* aclocal.m4: Likewise.
6018	* configure: Regenerate.
6019
60202004-06-11  Zack Weinberg  <zack@codesourcery.com>
6021
6022	* configure.ac: Don't invoke ACX_HEADER_STDBOOL.
6023	* configure, config.in: Regenerate.
6024	* system.h: Unconditionally define bool as unsigned char,
6025	BOOL_BITFIELD as unsigned int.
6026	* .cvsignore: New file.
6027
60282004-06-09  Geoffrey Keating  <geoffk@apple.com>
6029
6030	* traditional.c (push_replacement_text): Set macro->traditional.
6031	(save_replacement_text): Likewise.
6032	* pch.c (cpp_write_pch_state): Don't write list of defined macros.
6033	(struct save_macro_item): Delete.
6034	(struct save_macro_data): Use a character array not the previous
6035	structured format.
6036	(save_macros): Save macro as text not as internal structures.
6037	(cpp_prepare_state): Update for changes to save_macro_data.
6038	(cpp_read_state): Don't read macros defined in PCH.  Restore
6039	-D macros as text.
6040	* macro.c (create_iso_definition): Honour alloc_subobject.
6041	Clear traditional flag.
6042	(_cpp_create_definition): Honour alloc_subobject.
6043	* lex.c (cpp_token_val_index): New.
6044	* internal.h: Include cpp-id-data.h.
6045	(uchar): Move definition to cpp-id-data.h.
6046	(U): Likewise.
6047	(cpp_macro): Likewise.
6048	* directives.c (struct answer): Move to cpp-id-data.h.
6049	(do_assert): Honour alloc_subobject.
6050
6051	* include/symtab.h (struct ht): Add field 'alloc_subobject'.
6052	* include/cpplib.h (struct cpp_string): Add GTY marker.
6053	(enum cpp_token_fld_kind): New.
6054	(struct cpp_token): Add GTY markers.
6055	(cpp_token_val_index): Prototype.
6056	(CPP_HASHNODE_VALUE_IDX): New.
6057	(struct cpp_hashnode): Don't skip fields of 'value' when marking.
6058	* include/cpp-id-data.h: New file.
6059
60602004-06-09  Paolo Bonzini  <bonzini@gnu.org>
6061
6062	* Makefile.am (all-local): New.
6063	* Makefile.in: Regenerate.
6064
60652004-06-06  Roger Sayle  <roger@eyesopen.com>
6066
6067	* Makefile.am (LIBICONV): Declare.
6068	(makedepend_LDADD): Use LIBICONV.
6069	* Makefile.in: Regenerate.
6070
60712004-06-05  Andrew Pinski  <pinskia@physics.uc.edu>
6072
6073	* Makefile.am (LIBINTL): Declare
6074	(makedepend_LDADD): Use LIBINTL.
6075	* Makefile.in: Regenerate.
6076
60772004-06-05  Zack Weinberg  <zack@codesourcery.com>
6078
6079	* Makefile.am: Add makedepend.
6080	* Makefile.in, aclocal.m4: Regenerate.
6081	* charset.c: Insert a space to avoid a warning.
6082	* directives.c: Include mkdeps.h.
6083	(_cpp_handle_directive): Reenable macro expander if appropriate.
6084	(undefine_macros): Inline body of _cpp_free_definition for speed.
6085	Do not call undef callback or _cpp_warn_if_unused_macro.
6086	(cpp_get_deps): New interface.
6087	* files.c (search_cache): Add pfile argument.  Check for file
6088	that would be found by "" or <> search here...
6089	(_cpp_find_file): ...not here.  Correct recorded start_dir of
6090	files found by directory-of-current-file search that would be
6091	found by "" or <> search.
6092	* init.c (cpp_add_dependency_target): Delete.
6093	* internal.h (struct lexer_state): Add discarding_output flag.
6094	* lex.c (lex_identifier): Compute hash function while scanning.
6095	* macro.c (cpp_scan_nooutput): Disable macro expansion outside
6096	directives.
6097	* makedepend.c: New file.
6098	* mkdeps.c (struct deps): Add vpath vector.
6099	(apply_vpath, deps_add_vpath): New function.
6100	(deps_free): Free vpath vector.
6101	(deps_add_dep, deps_add_target): Use apply_vpath.
6102	* symtab.c (calc_hash): Use HT_HASHSTEP and HT_FINISH.
6103	(ht_lookup_with_hash): New function.
6104	* cpplib.h, mkdeps.h: Update prototypes.
6105	* symtab.h: Update prototypes.
6106	(HT_HASHSTEP, HT_FINISH): New macros.
6107
61082004-05-29  Geoffrey Keating  <geoffk@apple.com>
6109
6110	* symtab.c (ht_create): Set entries_owned.
6111	(ht_destroy): Honour entries_owned.
6112	(ht_expand): Likewise.
6113	(ht_load): New.
6114	* include/symtab.h (struct ht): New field 'entries_owned'
6115	(ht_load): New prototype.
6116
61172004-05-26  Paolo Bonzini  <bonzini@gnu.org>
6118
6119	PR bootstrap/15651
6120	* configure.ac: Fix m4 quoting when picking
6121	the size of HOST_WIDE_INT.
6122	* configure: Regenerate.
6123
61242004-05-25  Paolo Bonzini  <bonzini@gnu.org>
6125
6126	* Makefile.am: the correct directory for
6127	gettext include files is given by @INCINTL@.
6128	* Makefile.in: Regenerate.
6129
61302004-05-24  Paolo Bonzini  <bonzini@gnu.org>
6131
6132	* system.h [!ENABLE_NLS]: dgettext takes two
6133	parameters.
6134
61352004-05-23  Paolo Bonzini  <bonzini@gnu.org>
6136
6137	Moved libcpp from the gcc subdirectory to the toplevel.
6138	* Makefile.am: New file.
6139	* Makefile.in: Regenerate.
6140	* configure.ac: New file.
6141	* configure: Regenerate.
6142	* config.in: Regenerate.
6143	* charset.c: Moved from gcc/cppcharset.c.  Add note about
6144	brokenness of input charset detection.  Adjust for change
6145	in name of cppucnid.h.
6146	* errors.c: Moved from gcc/cpperror.c.  Do not include intl.h.
6147	* expr.c: Moved from gcc/cppexp.c.
6148	* files.c: Moved from gcc/cppfiles.c.  Do not include intl.h.
6149	Remove #define of O_BINARY, it is in system.h.
6150	* identifiers.c: Moved from gcc/cpphash.c.
6151	* internal.h: Moved from gcc/cpphash.h.  Change header
6152	guard name.  All other files adjusted to match name change.
6153	* init.c: Moved from gcc/cppinit.c.
6154	(init_library) [ENABLE_NLS]: Call bindtextdomain.
6155	* lex.c: Moved from gcc/cpplex.c.
6156	* directives.c: Moved from gcc/cpplib.c.
6157	* macro.c: Moved from gcc/cppmacro.c.
6158	* pch.c: Moved from gcc/cpppch.c.  Do not include intl.h.
6159	* traditional.c: Moved from gcc/cpptrad.c.
6160	* ucnid.h: Moved from gcc/cppucnid.h.  Change header
6161	guard name.
6162	* ucnid.pl: Moved from gcc/cppucnid.pl.
6163	* ucnid.tab: Moved from gcc/cppucnid.tab.  Change header
6164	guard name.
6165	* symtab.c: Moved from gcc/hashtable.c.
6166	* line-map.c: Moved from gcc.  Do not include intl.h.
6167	* mkdeps.c: Moved from gcc.
6168	* system.h: New file.
6169	* include/cpplib.h: Moved from gcc.  Change header guard name.
6170	* include/line-map.h: Moved from gcc.  Change header guard name.
6171	* include/mkdeps.h: Moved from gcc.  Change header guard name.
6172	* include/symtab.h: Moved from gcc/hashtable.h.  Change header
6173	guard name.
6174
6175Copyright (C) 2004-2020 Free Software Foundation, Inc.
6176
6177Copying and distribution of this file, with or without modification,
6178are permitted in any medium without royalty provided the copyright
6179notice and this notice are preserved.
6180