Merge trunk version 195164 into gupc branch.

[official-gcc.git] / libcpp / ChangeLog

2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>

        Update copyright years.

2013-01-04  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/54526 (again)
        * lex.c (_cpp_lex_direct): In C++11 mode, implement 2.5 p3, bullet 2.

2013-01-03  Marc Glisse  <marc.glisse@inria.fr>

        PR bootstrap/50177
        * line-map.c (get_combined_adhoc_loc): Cast from extern "C" type.
        (new_linemap): Likewise.
        (linemap_enter_macro): Likewise.

2012-12-03  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/55380
        PR other/54691
        * files.c (read_file_guts): Allocate extra 16 bytes instead of
        1 byte at the end of buf.  Pass size + 16 instead of size
        to _cpp_convert_input.
        * charset.c (_cpp_convert_input): Reallocate if there aren't
        at least 16 bytes beyond to.len in the buffer.  Clear 16 bytes
        at to.text + to.len.

2012-11-21  Steve Ellcey  <sellcey@mips.com>

        PR pch/55399
        * files.c (pch_open_file): Fix check for implicit_preinclude.

2012-11-16  Simon Baldwin  <simonb@google.com>

        * include/cpplib.h (struct cpp_options): Add canonical_system_headers.
        * files.c (find_file_in_dir): Call maybe_shorter_path() only if
        canonical_system_headers is set.
        * init.c (cpp_create_reader): Initialize canonical_system_headers.
        * configure.ac: Add new --enable-canonical-system-headers.
        * configure: Regenerate.
        * config.in: Regenerate.

2012-11-09  Ed Smith-Rowland  <3dw4rd@verizon.net>

        PR c++/54413
        * include/cpplib.h (cpp_interpret_float_suffix): Add cpp_reader* arg.
        (cpp_interpret_int_suffix): Add cpp_reader* arg.
        * init.c (cpp_create_reader): Iitialize new flags.
        * expr.c (interpret_float_suffix): Use new flags.
        (cpp_interpret_float_suffix): Add cpp_reader* arg.
        (interpret_int_suffix): Use new flags.
        (cpp_interpret_int_suffix): Add cpp_reader* arg.
        (cpp_classify_number): Adjust calls to interpret_x_suffix.

2012-10-23  Ian Bolton  <ian.bolton@arm.com>
            Jim MacArthur  <jim.macarthur@arm.com>
            Marcus Shawcroft  <marcus.shawcroft@arm.com>
            Nigel Stephens  <nigel.stephens@arm.com>
            Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
            Richard Earnshaw  <rearnsha@arm.com>
            Sofiane Naci  <sofiane.naci@arm.com>
            Stephen Thomas  <stephen.thomas@arm.com>
            Tejas Belagod  <tejas.belagod@arm.com>
            Yufeng Zhang  <yufeng.zhang@arm.com>

        * configure.ac: Enable AArch64.
        * configure: Regenerate.

2012-10-23  Joseph Myers  <joseph@codesourcery.com>

        * files.c (struct _cpp_file): Add implicit_preinclude.
        (pch_open_file): Allow a previously opened implicitly included
        file.
        (_cpp_find_file): Add implicit_preinclude argument.  Free file and
        do not call open_file_failed if implicit_preinclude.  Store
        implicit_preinclude value.
        (_cpp_stack_include, _cpp_fake_include, _cpp_compare_file_date):
        Update calls to _cpp_find_file.
        (_cpp_stack_include): Handle IT_DEFAULT.
        (cpp_push_default_include): New.
        * include/cpplib.h (cpp_push_default_include): Declare.
        * init.c (cpp_read_main_file): Update call to _cpp_find_file.
        * internal.h (enum include_type): Add IT_DEFAULT.
        (_cpp_find_file): Update prototype.

2012-10-15  Tobias Burnus  <burnus@net-b.de>

        * files.c (read_file_guts, _cpp_save_file_entries): Free memory
        before returning.
        * lex.c (warn_about_normalization): Ditto.
        * mkdeps.c (deps_save): Ditto.
        * pch.c (cpp_valid_state): Ditto.

2012-10-04  Florian Weimer  <fweimer@redhat.com>

        * directives.c (do_pragma_warning_or_error): New.
        (do_pragma_warning): New.
        (do_pragma_error): New.
        (_cpp_init_internal_pragmas): Register new pragmas.

2012-09-25  Dehao Chen  <dehao@google.com>

        PR middle-end/54704
        * line-map.c (location_adhoc_data_hash): Fix the hash function.

2012-09-25  Dehao Chen  <dehao@google.com>

        PR middle-end/54645
        * include/line-map.h (location_adhoc_data): Move location_adhoc_data
        into GC.
        (location_adhoc_data_map): Likewise.
        (line_maps): Likewise.
        (rebuild_location_adhoc_htab): New Function.
        * line-map.c (+rebuild_location_adhoc_htab): new Funcion.
        (get_combined_adhoc_loc): Move location_adhoc_data into GC.
        (location_adhoc_data_fini): Likewise.
        (linemap_init): Likewise.
        (location_adhoc_data_init): Remove Function.

2012-09-19  Dehao Chen  <dehao@google.com>

        * include/line-map.h (MAX_SOURCE_LOCATION): New value.
        (location_adhoc_data_fini): New.
        (get_combined_adhoc_loc): New.
        (get_data_from_adhoc_loc): New.
        (get_location_from_adhoc_loc): New.
        (location_adhoc_data_map): New.
        (COMBINE_LOCATION_DATA): New.
        (IS_ADHOC_LOC): New.
        (expanded_location): New field.
        (line_maps): New field.
        * line-map.c (location_adhoc_data): New.
        (location_adhoc_data_hash): New.
        (location_adhoc_data_eq): New.
        (location_adhoc_data_update): New.
        (get_combined_adhoc_loc): New.
        (get_data_from_adhoc_loc): New.
        (get_location_from_adhoc_loc): New.
        (location_adhoc_data_init): New.
        (location_adhoc_data_fini): New.
        (linemap_init): Initialize location_adhoc_data.
        (linemap_lookup): Change to use new location.
        (linemap_ordinary_map_lookup): Likewise.
        (linemap_macro_map_lookup): Likewise.
        (linemap_macro_map_loc_to_def_point): Likewise.
        (linemap_macro_map_loc_unwind_toward_spel): Likewise.
        (linemap_get_expansion_line): Likewise.
        (linemap_get_expansion_filename): Likewise.
        (linemap_location_in_system_header_p): Likewise.
        (linemap_location_from_macro_expansion_p): Likewise.
        (linemap_macro_loc_to_spelling_point): Likewise.
        (linemap_macro_loc_to_def_point): Likewise.
        (linemap_macro_loc_to_exp_point): Likewise.
        (linemap_resolve_location): Likewise.
        (linemap_unwind_toward_expansion): Likewise.
        (linemap_unwind_to_first_non_reserved_loc): Likewise.
        (linemap_expand_location): Likewise.
        (linemap_dump_location): Likewise.
        (linemap_line_start): Likewise.

2012-05-25  Dodji Seketeli  <dodji@redhat.com>

        PR preprocessor/53469
        * directives.c (do_pragma): Use the virtual location for the
        pragma token, instead of its spelling location.

2012-08-14   Diego Novillo  <dnovillo@google.com>

        Merge from cxx-conversion branch.  Configury.

        * Makefile.in: Remove all handlers of ENABLE_BUILD_WITH_CXX.
        * configure.ac: Likewise.
        * configure: Regenerate.

2012-08-14   Lawrence Crowl  <crowl@google.com>

        Merge from cxx-conversion branch.  New C++ hash table.

        * include/symtab.h (typedef struct ht hash_table): Change the typedef
        name to cpp_hash_table.  Update all users of the typedef.

2012-07-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * include/line-map.h (line_map_macro): Use the "atomic" GTY option
        for the macro_locations field.

2011-06-19  Uros Bizjak  <ubizjak@gmail.com>

        * lex.c (search_line_sse42): Use __builtin_ia32_loaddqu and
        __builtin_ia32_pcmpestri128 instead of asm.

2012-06-04  Dimitrios Apostolou <jimis@gmx.net>

        * line-map.c (linemap_enter_macro): Don't zero max_column_hint in
        every macro. This improves performance by reducing the number of
        reallocations when track-macro-expansion is on.

2012-06-04  Dodji Seketeli  <dodji@redhat.com>

        PR preprocessor/53463
        * line-map.c (linemap_location_in_system_header_p): For built-in
        macro tokens, check the first expansion point location that is not
        for a token coming from a built-in macro.

2012-05-29  Joseph Myers  <joseph@codesourcery.com>

        * directives.c: Fix typos.
        * include/line-map.h: Fix typos.
        * line-map.c: Fix typos.
        * macro.c: Fix typos.

2012-05-25  Dodji Seketeli  <dodji@redhat.com>

        PR bootstrap/53459
        * lex.c (search_line_fast): Avoid unused local typedefs to simulate
        a static assertion.

2012-05-29  Dodji Seketeli  <dodji@redhat.com>

        PR preprocessor/53229
        * internal.h (cpp_reader::set_invocation_location): Remove.
        (cpp_reader::about_to_expand_macro_p): New member flag.
        * directives.c (do_pragma):  Remove Kludge as
        pfile->set_invocation_location is no more.
        * macro.c (cpp_get_token_1): Do away with the use of
        cpp_reader::set_invocation_location.  Just collect the macro
        expansion point when we are about to expand the top-most macro.
        Do not override cpp_reader::about_to_expand_macro_p.
        This fixes gcc.dg/cpp/paste12.c by making get_token_no_padding
        properly handle locations of expansion points.
        (cpp_get_token_with_location): Adjust, as
        cpp_reader::set_invocation_location is no more.
        (paste_tokens): Take a virtual location parameter for
        the LHS of the pasting operator.  Use it in diagnostics.  Update
        comments.
        (paste_all_tokens): Tighten the assert.  Propagate the location of
        the expansion point when no virtual locations are available.
        Pass the virtual location to paste_tokens.
        (in_macro_expansion_p): New static function.
        (enter_macro_context): Set the cpp_reader::about_to_expand_macro_p
        flag until we really start expanding the macro.

2012-05-16  Dodji Seketeli  <dodji@redhat.com>

        PR preprocessor/7263
        * include/cpplib.h (cpp_classify_number): Take a location
        parameter.
        * expr.c (SYNTAX_ERROR_AT, SYNTAX_ERROR2_AT): New diagnostic
        macros that take a location parameter.
        (cpp_classify_number): Take a (virtual) location parameter.  Use
        it for diagnostics.  Adjust comments.
        (eval_token): Take a location parameter.  Pass it to
        cpp_classify_number and to diagnostic routines.
        (_cpp_parse_expr): Use virtual locations of tokens when parsing
        expressions.  Pass a virtual location to eval_token and to
        diagnostic routines.

2012-05-10  Tristan Gingold  <gingold@adacore.com>

        * expr.c (interpret_float_suffix): Add a guard.

2012-05-02  Dodji Seketeli  <dodji@redhat.com>

        Properly initialize cpp_context in destringize_and_run
        * directives.c (destringize_and_run): Properly initialize the new
        context.
        * macro.c (_cpp_pop_context): Assert that we shouldn't try to pop
        the initial base context, which has the same life time as the
        current instance of cpp_file.

2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
            Dodji Seketeli  <dodji@seketeli.org>

        PR c++/52974
        * libcpp/files.c (maybe_shorter_path): New.
        (find_file_in_dir): Use it.

2012-04-30  Dodji Seketeli  <dodji@redhat.com>

        Switch -ftrack-macro-expansion=2 on by default.
        * init.c (cpp_create_reader): Switch -ftrack-macro-expansion=2 on
        by default.  Add comments.

        Strip "<built-in>" loc from displayed expansion context
        * include/line-map.h (linemap_unwind_toward_expansion): Fix typo
        in comment.
        (linemap_unwind_to_first_non_reserved_loc): Declare new function.
        * line-map.c (linemap_unwind_to_first_non_reserved_loc): Define
        new function.

        Fix expansion point loc for macro-like tokens
        * macro.c (macro_of_context): New static function.
        (_cpp_push_token_context, push_extended_tokens_context): If the
        macro argument is NULL, it means we are continuing the expansion
        of the current macro, if any.  Update comments.
        (_cpp_pop_context): Re-enable expansion of the macro only when we
        are really out of the context of the current expansion.

        Fix token pasting with -ftrack-macro-expansion
        * macro.c (paste_all_tokens): Put the token resulting from pasting
        into an extended token context with -ftrack-macro-location is in
        effect.

        Fix cpp_sys_macro_p with -ftrack-macro-expansion
        * macro.c (cpp_sys_macro_p):  Support -ftrack-macro-expansion.

2012-04-29  Dodji Seketeli  <dodji@redhat.com>

        * lex.c (lex_raw_string): Change C++ style comments into C style
        comments.
        (lex_string): Likewise.

2012-04-27   Ollie Wild  <aaw@google.com>

        * include/cpplib.h (struct cpp_options): Add new field,
        warn_literal_suffix.
        (CPP_W_LITERAL_SUFFIX): New enum.
        * init.c (cpp_create_reader): Default initialization of
        warn_literal_suffix.
        * lex.c (lex_raw_string): Treat user-defined literals which don't
        begin with '_' as separate tokens and produce a warning.
        (lex_string): Ditto.

2012-04-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * line-map.c (linemap_resolve_location): Synchronize comments with
        those in line-map.h.
        * include/line-map.h (linemap_resolve_location): Fix spelling in
        comment.

2012-03-22  Richard Earnshaw  <rearnsha@arm.com>

        * lex.c (search_line_fast): Provide Neon-optimized version for ARM.

2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * lex.c: Remove Solaris 8 reference.

2012-02-14  Walter Lee  <walt@tilera.com>

        * configure.ac: Require 64-bit hwint for tilegx and tilepro.
        * configure: Regenerate.

2012-01-09  Richard Guenther  <rguenther@suse.de>

        * macro.c (_cpp_builtin_macro_text): Remove unused variable map.

2012-01-09  Gary Funck  <gary@intrepid.com>

        PR preprocessor/33919
        * files.c (_cpp_get_file_name): New. Implement file name
        access function.
        * internal.h (_cpp_get_file_name): New prototype.
        * macro.c (_cpp_builtin_macro_text): Call _cpp_get_file_name()
        to use pfile->main_file in lieu of traversing INCLUDED_FROM chain.

2012-01-03  Olivier Hainque  <hainque@adacore.com>

        * system.h: Prior to #define, #undef fopen and freopen unconditionally.

2011-12-20  Joseph Myers  <joseph@codesourcery.com>

        * include/cpplib.h (CLK_GNUC1X): Change to CLK_GNUC11.
        (CLK_STDC1X): Change to CLK_STDC11.
        * init.c (lang_defaults): Update comments.
        (cpp_init_builtins): Update language tests.  Use 201112L for C11
        __STDC_VERSION__.

2011-12-20  Andreas Schwab  <schwab@linux-m68k.org>

        * configure: Regenerate.

2011-12-19  Andreas Schwab  <schwab@linux-m68k.org>

        * configure: Regenerate.

2011-12-07  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/50237
        * internal.h (_cpp_init_lexer): New prototype.
        * init.c (init_library): Call it.
        * lex.c (init_vectorized_lexer): Remove constructor attribute,
        add inline keyword.
        (HAVE_init_vectorized_lexer): Define.
        (_cpp_init_lexer): New function.

2011-12-03  Dodji Seketeli  <dodji@redhat.com>

        * macro.c (tokens_buff_remove_last_token)
        (tokens_buff_put_token_to): Add an 'inline' function specifier to
        the prototype.

2011-11-22   Diego Novillo  <dnovillo@google.com>

        * include/line-map.h (linemap_dump): Declare.
        (line_table_dump): Declare.
        * line-map.c (linemap_dump): New.
        (line_table_dump): New.

2011-11-21  Ed Smith-Rowland  <3dw4rd@verizon.net>

        PR c++/50958
        * expr.c (cpp_userdef_char_remove_type): Fix typo.

2011-11-03  Michael Matz  <matz@suse.de>

        PR bootstrap/50857
        * configure.ac: Check for -fno-exceptions -fno-rtti.
        * configure: Regenerate.
        * Makefile.in (NOEXCEPTION_FLAGS): New flag.
        (ALL_CXXFLAGS): Use it.

2011-11-02  Paolo Carlini  <paolo.carlini@oracle.com>

        * internal.h (uxstrdup, ustrchr): Return const unsigned char *.

2011-11-02  Jason Merrill  <jason@redhat.com>

        PR c++/50810
        * configure.ac: Add -Wno-narrowing to warning options.

2011-10-31  Jason Merrill  <jason@redhat.com>

        PR libstdc++/1773
        * init.c (cpp_init_builtins): Set __cplusplus for C++11.

        PR c++/50920
        * include/cpplib.h (enum c_lang): Rename CLK_CXX0X to CLK_CXX11,
        CLK_GNUCXX0X to CLK_GNUCXX11.

2011-10-26  Ed Smith-Rowland  <3dw4rd@verizon.net>

        Implement C++11 user-defined literals.
        * expr.c: (cpp_interpret_float_suffix, cpp_interpret_int_suffix,
        cpp_userdef_string_remove_type, cpp_userdef_string_add_type,
        cpp_userdef_char_remove_type, cpp_userdef_char_add_type,
        cpp_userdef_string_p, cpp_userdef_char_p, cpp_get_userdef_suffix): New.
        (cpp_classify_number): Classify unrecognized tokens as user-defined
        literals.
        * include/cpplib.h: Add new tokens for user-defined literals.
        * init.c: Add new preprocessor flag (cxx11).
        * lex.c: (lex_string, lex_raw_string): Handle user-defined literals
        including concatenation and promotion with suffixes.

2011-10-24  Dodji Seketeli  <dodji@redhat.com>

        * line-map.c (linemap_macro_map_lookup): Fix logic.

2011-10-24  Dodji Seketeli  <dodji@redhat.com>

        * include/line-map.h (linemap_expand_location): Take a line table
        parameter.  Update comment.
        (linemap_resolve_location): Update comment.
        (linemap_expand_location_full): Remove.
        * line-map.c (linemap_resolve_location):  Handle reserved
        locations; return a NULL map in those cases.
        (linemap_expand_location): If location is reserved, return a
        zeroed expanded location.  Update comment.  Take a line table to
        assert that the function takes non-virtual locations only.
        (linemap_expand_location_full): remove.
        (linemap_dump_location): Handle the fact that
        linemap_resolve_location can return NULL line maps when the
        location resolves to a reserved location.

        * line-map.c (linemap_macro_map_lookup): Fix logic.

2011-10-22  Dodji Seketeli  <dodji@redhat.com>

        PR bootstrap/50778
        * include/internal.h (_cpp_remaining_tokens_num_in_context): Take the
        context to act upon.
        * lex.c (_cpp_remaining_tokens_num_in_context): Likewise.  Update
        comment.
        (cpp_token_from_context_at): Likewise.
        (cpp_peek_token): Use the context to peek tokens from.

2011-10-20  Dodji Seketeli  <dodji@redhat.com>

        PR bootstrap/50801
        * lex.c (_cpp_remaining_tokens_num_in_context): Fix computation of
        number of tokens.

2011-10-18  Dodji Seketeli  <dodji@redhat.com>

        PR bootstrap/50760
        * include/line-map.h (struct linemap_stats): Change the type of
        the members from size_t to long.
        * macro.c (macro_arg_token_iter_init): Unconditionally initialize
        iter->location_ptr.

2011-10-17  Dodji Seketeli  <dodji@redhat.com>

        * line-map.c (linemap_macro_map_loc_to_exp_point): Avoid setting a
        variable without using it if ENABLE_CHECKING is not defined.  Mark
        the LOCATION parameter as being unused.

2011-10-15  Tom Tromey  <tromey@redhat.com>
            Dodji Seketeli  <dodji@redhat.com>

        * include/line-map.h (struct line_maps::alloced_size_for_request):
        New member.
        * line-map.c (new_linemap): Use set->alloced_size_for_request to
        get the actual allocated size of line maps.

2011-10-15  Tom Tromey  <tromey@redhat.com>
            Dodji Seketeli  <dodji@redhat.com>

        * line-map.h (struct linemap_stats): Declare new struct.
        (linemap_get_statistics): Declare ...
        * line-map.c (linemap_get_statistics):  ... new function.
        * macro.c (num_expanded_macros_counter, num_macro_tokens_counter):
        Declare new counters.
        (enter_macro_context, replace_args): Update
        num_macro_tokens_counter.
        (cpp_get_token_1): Update num_expanded_macros_counter.

2011-10-15  Tom Tromey  <tromey@redhat.com>
            Dodji Seketeli  <dodji@redhat.com>

        * include/cpplib.h (struct cpp_options)<debug>: New struct member.
        * include/line-map.h (linemap_dump_location): Declare ...
        * line-map.c (linemap_dump_location): ... new function.

2011-10-15  Tom Tromey  <tromey@redhat.com>
            Dodji Seketeli  <dodji@redhat.com>

        * include/cpplib.h (struct cpp_options)<track_macro_expansion>:
        New option.
        * internal.h (struct macro_context): New struct.
        (enum context_tokens_kind): New enum.
        (struct cpp_context)<tokens_kind>: New member of type enum
        context_tokens_kind.
        (struct cpp_context)<macro>: Remove this.  Replace it with an enum
        of macro and  macro_context.
        (struct cpp_context)<direct_p>: Remove.
        (_cpp_remaining_tokens_num_in_context): Declare new function.
        * directives.c (destringize_and_run): Adjust.
        * lex.c (_cpp_remaining_tokens_num_in_context)
        (_cpp_token_from_context_at): Define new functions
        (cpp_peek_token): Use them.
        * init.c (cpp_create_reader): Initialize the base context to zero.
        (_cpp_token_from_context_at): Define new static function.
        (cpp_peek_token): Use new _cpp_remaining_tokens_num_in_context and
        _cpp_token_from_context_at.
        * macro.c (struct macro_arg)<virt_locs, expanded_virt_locs>: New
        members.
        (enum macro_arg_token_kind): New enum.
        (struct macro_arg_token_iter): New struct.
        (maybe_adjust_loc_for_trad_cpp, push_extended_tokens_context)
        (alloc_expanded_arg_mem, ensure_expanded_arg_room)
        (delete_macro_args, set_arg_token, get_arg_token_location)
        (arg_token_ptr_at, macro_arg_token_iter_init)
        (macro_arg_token_iter_get_token)
        (macro_arg_token_iter_get_location, macro_arg_token_iter_forward)
        (expanded_token_index, tokens_buff_new, tokens_buff_count)
        (tokens_buff_last_token_ptr, tokens_buff_put_token_to)
        (tokens_buff_add_token, tokens_buff_remove_last_token)
        (reached_end_of_context, consume_next_token_from_context): New
        static functions.
        (cpp_get_token_1): New static function. Split and extended from
        cpp_get_token.  Use reached_end_of_context and
        consume_next_token_from_context.  Unify its return point.  Move
        the location tweaking from cpp_get_token_with_location in here.
        (cpp_get_token): Use cpp_get_token_1
        (stringify_arg): Use the new arg_token_at.
        (paste_all_tokens): Support tokens coming from extended tokens
        contexts.
        (collect_args): Return the number of collected arguments, by
        parameter.  Store virtual locations of tokens that constitute the
        collected args.
        (funlike_invocation_p): Return the number of collected arguments,
        by parameter.
        (enter_macro_context): Add a parameter for macro expansion point.
        Pass it to replace_args and to the "used" cpp callback.  Get the
        number of function-like macro arguments from funlike_invocation_p,
        pass it to the new delete_macro_args to free the memory used by
        macro args.  When -ftrack-macro-expansion is in effect, for macros
        that have no arguments, create a macro map for the macro expansion
        and use it to allocate proper virtual locations for tokens
        resulting from the expansion.  Push an extended tokens context
        containing the tokens resulting from macro expansion and their
        virtual locations.
        (replace_args): Rename the different variables named 'count' into
        variables with more meaningful names.  Create a macro map;
        allocate virtual locations of tokens resulting from this
        expansion.  Use macro_arg_token_iter to iterate over tokens of a
        given macro.  Handle the case of the argument of
        -ftrack-macro-expansion being < 2.  Don't free macro arguments
        memory resulting from expand_arg here, as these are freed by the
        caller of replace_arg using delete_macro_args now.  Push extended
        token context.
        (next_context, push_ptoken_context, _cpp_push_token_context)
        (_cpp_push_text_context): Properly initialize the context.
        (expand_arg): Use the new alloc_expanded_arg_mem,
        push_extended_tokens_context, cpp_get_token_1, and set_arg_token.
        (_cpp_pop_context): Really free the memory held by the context.
        Handle freeing memory used by extended tokens contexts.
        (cpp_get_token_with_location): Use cpp_get_token_1.
        (cpp_sys_macro_p): Adjust.
        (_cpp_backup_tokens): Support the new kinds of token contexts.
        * traditional.c (recursive_macro): Adjust.

2011-10-15  Tom Tromey  <tromey@redhat>
            Dodji Seketeli  <dodji@redhat.com>

        * include/line-map.h (enum lc_reason)<LC_ENTER_MACRO>: New enum
        member.
        (MAX_SOURCE_LOCATION): New constant.
        (struct line_map_ordinary, struct line_map_macro): New structs.
        (struct line_map): Turn this into a union of the two above.  Add
        comments.
        (struct maps_info): New struct.
        (struct line_maps)<info_ordinary, info_macro>: Two new fields.
        These now carry the map information that was previously scattered
        in struct line_maps.
        (struct map_info::allocated): Fix comment.
        (MAP_START_LOCATION, ORDINARY_MAP_FILE_NAME)
        (ORDINARY_MAP_STARTING_LINE_NUMBER)
        (ORDINARY_MAP_INCLUDER_FILE_INDEX)
        (ORDINARY_MAP_IN_SYSTEM_HEADER_P)
        (ORDINARY_MAP_NUMBER_OF_COLUMN_BITS, MACRO_MAP_MACRO)
        (MACRO_MAP_NUM_MACRO_TOKENS MACRO_MAP_LOCATIONS)
        (MACRO_MAP_EXPANSION_POINT_LOCATION)
        (LOCATION_POSSIBLY_IN_MACRO_MAP_P, LINEMAPS_MAP_INFO)
        (LINEMAPS_MAPS, LINEMAPS_ALLOCATE, LINEMAPS_USED, LINEMAPS_CACHE)
        (LINEMAPS_LAST_MAP, LINEMAPS_LAST_ALLOCATED_MAP)
        (LINEMAPS_ORDINARY_MAPS, LINEMAPS_ORDINARY_ALLOCATED)
        (LINEMAPS_ORDINARY_USED, LINEMAPS_ORDINARY_CACHE)
        (LINEMAPS_LAST_ORDINARY_MAP, LINEMAPS_LAST_ALLOCATED_ORDINARY_MAP)
        (LINEMAPS_MACRO_MAPS, LINEMAPS_MACRO_ALLOCATED)
        (LINEMAPS_MACRO_USED, LINEMAPS_MACRO_CACHE)
        (LINEMAPS_LAST_MACRO_MAP, LINEMAPS_LAST_ALLOCATED_MACRO_MAP)
        (LINEMAPS_MAP_AT, LINEMAPS_ORDINARY_MAP_AT)
        (LINEMAPS_MACRO_MAP_AT): New accessors for ordinary and macro map
        information.
        (linemap_check_ordinary, linemap_assert)
        (linemap_location_before_p): New macros.
        (linemap_position_for_line_and_column)
        (linemap_tracks_macro_expansion_locs_p, linemap_add_macro_token)
        (linemap_macro_expansion_map_p)
        (linemap_macro_map_loc_to_def_point)
        (linemap_macro_map_loc_unwind_once)
        (linemap_macro_map_loc_to_exp_point, linemap_step_out_once)
        (linemap_get_source_line linemap_get_source_column)
        (linemap_map_get_macro_name, linemap_get_file_path)
        (linemap_location_in_system_header_p)
        (linemap_location_from_macro_expansion_p): Declare new functions.
        (SOURCE_LINE, SOURCE_COLUMN, LAST_SOURCE_LINE_LOCATION)
        (LINEMAP_FILE, LINEMAP_LINE, LINEMAP_SYSP): Assert that this
        accessors act on ordinary maps only.
        (INCLUDED_FROM): Return NULL for main files; use the new
        accessors.
        (LINEMAP_POSITION_FOR_COLUMN): Use the new accessors.
        (struct expanded_location): Move here from gcc/input.h
        (linemap_resolve_location, linemap_expand_location)
        (linemap_expand_location_full): Declare new functions.
        * line-map.c: Include cpplib.h, internal.h
        (linemap_enter_macro, linemap_add_macro_token)
        (linemap_get_expansion_line, linemap_get_expansion_filename): New
        functions that are private to libcpp.
        (linemap_assert): New macro.
        (linemap_macro_loc_to_exp_point, linemap_macro_loc_to_exp_point)
        (linemap_macro_loc_unwind, linemap_macro_map_loc_to_def_point)
        (linemap_macro_map_loc_unwind_toward_spelling)
        (linemap_macro_map_loc_to_exp_point)
        (first_map_in_common_1, first_map_in_common): New static
        functions.
        (new_linemap): Define new static functions.  Extracted and
        enhanced from ...
        (linemap_add): ... here.  Use linemap_assert in lieu of abort
        previously.
        (linemap_tracks_macro_expansion_locs_p)
        (linemap_add_macro_token, linemap_macro_expansion_map_p)
        (linemap_check_ordinary, linemap_macro_map_loc_to_exp_point)
        (linemap_macro_map_loc_to_def_point)
        (linemap_macro_map_loc_unwind_once)
        (linemap_step_out_once, linemap_map_get_index)
        (linemap_get_source_line,linemap_get_source_column)
        (linemap_get_file_path, linemap_map_get_macro_name)
        (linemap_location_in_system_header_p)
        (linemap_location_originated_from_system_header_p)
        (linemap_location_from_macro_expansion_p)
        (linemap_tracks_macro_expansion_locs_p)
        (linemap_resolve_location, linemap_expand_location)
        (linemap_expand_location_full)
        (linemap_tracks_macro_expansion_locs_p)
        (linemap_position_for_line_and_column, linemap_compare_locations):
        Define new public functions.
        (linemap_init): Initialize ordinary and macro maps information in
        the map set.
        (linemap_check_files_exited): Use the new accessors.
        (linemap_free): Remove this dead code.
        (linemap_line_start): Assert this uses an ordinary map.  Adjust to
        use the new ordinary map accessors and data structures.  Don't
        overflow past the lowest possible macro token's location.
        (linemap_position_for_column): Assert the ordinary maps of the map
        set are really ordinary.  Use ordinary map accessors.
        (linemap_lookup): Keep the same logic but generalize to allow
        lookup of both ordinary and macro maps.  Do not crash when called
        with an empty line table.
        * directives-only.c (_cpp_preprocess_dir_only): Adjust to use the
        new API of line-map.h.
        * directives.c (start_directive, do_line, do_linemarker)
        (do_linemarker): Likewise.
        * files.c (_cpp_find_file, _cpp_stack_include, open_file_failed)
        (make_cpp_dir, cpp_make_system_header): Likewise.
        * init.c (cpp_read_main_file): Likewise.
        * internal.h (CPP_INCREMENT_LINE): Likewise.
        (linemap_enter_macro, linemap_add_macro_token)
        (linemap_get_expansion_line, linemap_get_expansion_filename): New
        functions private to libcpp.
        * lex.c (_cpp_process_line_notes, _cpp_skip_block_comment)
        (skip_line_comment, skip_whitespace, lex_raw_string)
        (_cpp_lex_direct): Likewise.
        * macro.c (_cpp_builtin_macro_text): Likewise.
        (_cpp_aligned_alloc): Initialize the new name member of the macro.
        * traditional.c (copy_comment, _cpp_scan_out_logical_line):
        Likewise.
        * errors.c (cpp_diagnostic): Adjust to new linemap API.

2011-08-28  Dodji Seketeli  <dodji@redhat.com>

        * line-map.c (linemap_add): Assert that reason must not be
        LC_RENAME when called for the first time on a "main input file".

2011-08-22  Gabriel Charette  <gchare@google.com>

        * init.c (cpp_create_reader): Inititalize forced_token_location_p.
        * internal.h (struct cpp_reader): Add field forced_token_location_p.
        * lex.c (_cpp_lex_direct): Use forced_token_location_p.
        (cpp_force_token_locations): New.
        (cpp_stop_forcing_token_locations): New.

2011-08-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR libstdc++/1773
        * init.c (cpp_init_builtins): Define __cplusplus 19971L.

2011-08-18  Joseph Myers  <joseph@codesourcery.com>

        * include/cpplib.h (struct cpp_options): Fix typo.

2011-08-18  Joseph Myers  <joseph@codesourcery.com>

        * include/cpplib.h (struct cpp_options): Add rliterals.
        * init.c  (struct lang_flags, lang_defaults): Add rliterals.
        (cpp_set_lang): Set rliterals option.
        (cpp_init_builtins): Define __STDC_UTF_16__ and __STDC_UTF_32__.
        * lex.c (_cpp_lex_direct): Only accept raw strings if rliterals.

2011-08-15  Gabriel Charette  <gchare@google.com>

        * include/line-map.h (LINEMAP_POSITION_FOR_COLUMN): Remove.
        Update all users to use linemap_position_for_column instead.

2011-07-28  Gabriel Charette  <gchare@google.com>

        * include/line-map.h (struct line_maps):
        Remove unused field last_listed. Update all users.

2011-07-28  H.J. Lu  <hongjiu.lu@intel.com>

        * configure.ac: Set need_64bit_hwint to yes for x86 targets.
        * configure: Regenerated.

2011-07-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * system.h [__cplusplus]: Wrap C function declarations in extern "C".

2011-07-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
            Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/49794
        * configure.ac: Test AM_ICONV with CXX.
        * configure: Regenerate.
        * system.h (HAVE_DESIGNATED_INITIALIZERS): Never define for C++.

2011-07-15  Dodji Seketeli  <dodji@redhat.com>

        * directives.c (struct if_stack): Use source_location as type
        here.
        * include/cpplib.h (struct cpp_callbacks)<include, define, undef,
        indent, def_pragma, used_define, used_undef>: Properly use
        source_location as parameter type, rather than unsigned int.

2011-07-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/39150
        * configure.ac (host_wide_int): Handle x86_64-*-solaris2.1[0-9]
        like i[34567]86-*-solaris2.1[0-9]*.
        * configure: Regenerate.

2011-06-16  Jason Merrill  <jason@redhat.com>

        PR c++/45399
        * lex.c (lex_raw_string): Don't check for embedded NUL.

2011-06-06  Dodji Seketeli  <dodji@redhat.com>

        PR preprocessor/48532
        * directives.c (do_pragma): Don't forget the invocation location
        when parsing the pragma name of a namespaced pragma directive.

2011-05-29  John Tytgat  <John.Tytgat@aaug.net>

        * files.c (read_file_guts): Add test on non-zero value of S_ISREG.

2011-05-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/49104
        * lex.c (init_vectorized_lexer): Do not set "minimum" when __3dNOW_A__
        is defined.  Check bit_MMXEXT and bit_CMOV to use search_line_mmx.

2011-04-25  Jan Kratochvil  <jan.kratochvil@redhat.com>

        * system.h (ENUM_BITFIELD): Remove.

2011-04-24  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/48740
        * lex.c (lex_raw_string): When raw string ends with
        ??) followed by raw prefix and ", ensure it is preprocessed
        with ??) rather than ??].

2011-04-20  Jim Meyering  <meyering@redhat.com>

        * files.c (destroy_cpp_file): Remove useless if-before-free.
        * init.c (cpp_destroy): Likewise.
        * macro.c (replace_args): Likewise.
        * pch.c (cpp_valid_state): Likewise.

2011-03-25  Kai Tietz  <ktietz@redhat.com>

        * files.c (file_hash_eq): Use filename_cmp
        instead of strcmp.
        (nonexistent_file_hash_eq): Likewise.
        (remap_filename): Likewise.
        Handle absolute DOS-path,
        (append_file_to_dir): Check for IS_DIR_SEPARATOR
        instead of slash.
        (read_name_map): Likewise.
        * linemap.c (linemap_add): Use filename_cmp
        instead of strcmp.
        * mkdeps.c (apply_vpath): Use filename_ncmp
        instead of strncmp.
        (deps_restore): Use filename_cmp instead of
        strcmp.
        * init.c (read_original_directory): Use
        IS_DIR_SEPARATOR instead of checking for slash.

2011-03-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR preprocessor/48192
        * directives.c (do_ifdef): Do not consider conditional macros as
        being defined.
        (do_ifndef): Ditto.
        * expr.c (parse_defined): Ditto.

2011-03-18  Richard Henderson  <rth@redhat.com>

        PR bootstrap/45381
        * lex.c [ALTIVEC] (search_line_fast): Require gcc version 4.5.

2011-11-04  Eric Botcazou  <ebotcazou@adacore.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/39213
        * directives.c (end_directive): Call _cpp_remove_overlay for deferred
        pragmas as well in traditional mode.

2010-11-17  Ian Lance Taylor  <iant@google.com>

        PR bootstrap/45538
        * configure.ac: Use AC_USE_SYSTEM_EXTENSIONS.  Remove switch of
        AC_LANG based on ENABLE_BUILD_WITH_CXX.

2010-11-16  Kai Tietz  <kai.tietz@onevision.com>

        PR preprocessor/17349
        * lex.c (save_comment): Handle in argument passing c++
        comments special.

2010-11-02  Ian Lance Taylor  <iant@google.com>

        * configure.ac: Use AC_SYS_LARGEFILE.
        * configure: Rebuild.
        * config.in: Rebuild.

2010-10-19  Basile Starynkevitch  <basile@starynkevitch.net>

        * line-map.h (source_location): Remove obsolete comment
        mentioning location_s.

2010-09-29  Kai Tietz  <kai.tietz@onevision.com>

        PR preprocessor/45362
        * directives.c (cpp_pop_definition): Make static.
        (do_pragma_push_macro): Reworked to store text
        definition.
        (do_pragma_pop_macro): Add free text definition.
        (cpp_push_definition): Removed.
        * include/cpplib.h (cpp_push_definition): Removed.
        (cpp_pop_definition): Likewise.
        * internal.h (def_pragma_macro): Remove member 'value'
        and add new members 'definition', 'line',
        'syshdr', 'sued' and 'is_undef'.
        * pch.c (_cpp_restore_pushed_macros): Rework to work
        on text definition and store additional macro flags.
        (_cpp_save_pushed_macros): Likewise.

2010-09-29  Joseph Myers  <joseph@codesourcery.com>

        * include/cpplib.h (cpp_options): Rename warn_deprecated,
        warn_traditional, warn_long_long and pedantic.
        * directives.c (directive_diagnostics, _cpp_handle_directive):
        Update names of cpp_options members.
        * expr.c (cpp_classify_number, eval_token): Update names of
        cpp_options members.
        * init.c (cpp_create_reader, post_options): Update names of
        cpp_options members.
        * internal.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Update names of
        cpp_options members.
        * macro.c (parse_params): Update names of cpp_options members.

2010-09-15  Ian Lance Taylor  <iant@google.com>

        * init.c: Fix type name in comment.

2010-08-31  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/45457
        * expr.c (parse_defined): Call pfile->cb.user_builtin_macro hook if
        needed.
        * directives.c (do_ifdef, do_ifndef): Likewise.

2010-08-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * system.h [HAVE_INTTYPES_H]: Include inttypes.h.

2010-08-24  Richard Henderson  <rth@redhat.com>

        PR bootstrap/45376
        * configure.ac (HAVE_SSE4): New check.
        * configure, config.in: Rebuild.
        * lex.c (search_line_sse42): Omit if !HAVE_SSE4.

2010-08-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * lex.c [__sun__ && __svr4__]: Disable init_vectorized_lexer
        etc. on Solaris 2/x86.

2010-08-21  Richard Henderson  <rth@redhat.com>
            Andi Kleen <ak@linux.intel.com>
            David S. Miller  <davem@davemloft.net>

        * configure.ac (AC_C_BIGENDIAN, AC_TYPE_UINTPTR_T): New tests.
        (ssize_t): Check via AC_TYPE_SSIZE_T instead of AC_CHECK_TYPE.
        (ptrdiff_t): Check via AC_CHECK_TYPE.
        * config.in, configure: Rebuild.
        * system.h: Include stdint.h, if available.
        * lex.c (WORDS_BIGENDIAN): Provide default.
        (acc_char_mask_misalign, acc_char_replicate, acc_char_cmp,
        acc_char_index, search_line_acc_char, repl_chars, search_line_mmx,
        search_line_sse2, search_line_sse42, init_vectorized_lexer,
        search_line_fast): New.
        (_cpp_clean_line): Use search_line_fast.  Restructure the fast
        loop to make it clear when we're leaving the loop.  Stay in the
        fast loop for non-trigraph '?'.

2010-06-11  Jakub Jelinek  <jakub@redhat.com>

        * include/cpplib.h (struct cpp_callbacks): Add user_builtin_macro
        callback.
        (enum cpp_builtin_type): Add BT_FIRST_USER and BT_LAST_USER.
        (cpp_macro_definition): Remove const qual from second argument.
        * macro.c (enter_macro_context): Call user_builtin_macro callback for
        NODE_BUILTIN !NODE_USED macros.
        (warn_of_redefinition): Likewise.  Remove const qual from second
        argument.
        (cpp_macro_definition): Likewise.
        * pch.c (write_macdef, save_macros): Call user_builtin_macro callback
        for NODE_BUILTIN !NODE_USED macros.

2010-06-10  Joseph Myers  <joseph@codesourcery.com>

        * include/cpplib.h (struct cpp_options): Remove show_column.
        * init.c (cpp_create_reader, post_options): Don't set show_column.

2010-06-09  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR bootstrap/44432
        * configure.ac: Before using ZW_PROG_COMPILER_DEPENDENCIES for C++,
        check that C++ compiler works.
        * configure: Regenerate.

2010-06-08  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * include/symtab.h (ht_identifier_ptr): New.

2010-06-03  Joern Rennecke <joern.rennecke@embecosm.com>
            Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/42798
        * configure.ac: Check for declaration of 'basename(char *)'.
        * configure: Regenerate.
        * config.in: Regenerate.

2010-04-25  Joseph Myers  <joseph@codesourcery.com>

        * include/cpplib.h (enum c_lang): Add CLK_GNUC1X and CLK_STDC1X.
        * init.c (lang_defaults): Add entries for new language variants.
        (cpp_init_builtins): Define __STDC_VERSION__ to 201000L for C1X
        variants.

2010-04-09  Manuel López-Ibáñez <manu@gcc.gnu.org>

        PR cpp/43195
        * files.c (report_missing_guard): Test for #pragma once.

2010-04-07  Simon Baldwin  <simonb@google.com>

        * directives.c (do_diagnostic): Add warning reason argument,
        call appropriate error reporting function for code.
        (directive_diagnostics): Call specific warning functions with
        warning reason where appropriate.
        (do_error, do_warning, do_pragma_dependency): Add warning reason
        argument to do_diagnostic calls.
        * macro.c (_cpp_warn_if_unused_macro, enter_macro_context,
        _cpp_create_definition): Call specific warning functions with
        warning reason where appropriate.
        * Makefile.in: Add new diagnostic functions to gettext translations.
        * include/cpplib.h (struct cpp_callbacks): Add warning reason code
        to error callback.
        (CPP_DL_WARNING, CPP_DL_WARNING_SYSHDR, CPP_DL_PEDWARN, CPP_DL_ERROR,
        CPP_DL_ICE, CPP_DL_NOTE, CPP_DL_FATAL): Replace macros with enums.
        (CPP_W_NONE, CPP_W_DEPRECATED, CPP_W_COMMENTS,
        CPP_W_MISSING_INCLUDE_DIRS, CPP_W_TRIGRAPHS, CPP_W_MULTICHAR,
        CPP_W_TRADITIONAL, CPP_W_LONG_LONG, CPP_W_ENDIF_LABELS,
        CPP_W_NUM_SIGN_CHANGE, CPP_W_VARIADIC_MACROS,
        CPP_W_BUILTIN_MACRO_REDEFINED, CPP_W_DOLLARS, CPP_W_UNDEF,
        CPP_W_UNUSED_MACROS, CPP_W_CXX_OPERATOR_NAMES, CPP_W_NORMALIZE,
        CPP_W_INVALID_PCH, CPP_W_WARNING_DIRECTIVE): New enums for cpp
        warning reason codes.
        (cpp_warning, cpp_pedwarning, cpp_warning_syshdr,
        cpp_warning_with_line, cpp_pedwarning_with_line,
        cpp_warning_with_line_syshdr): New specific error reporting functions.
        * pch.c (cpp_valid_state): Call specific warning functions with
        warning reason where appropriate.
        * errors.c (cpp_diagnostic, cpp_diagnostic_with_line): New central
        diagnostic handlers.
        (cpp_warning, cpp_pedwarning, cpp_warning_syshdr,
        cpp_warning_with_line, cpp_pedwarning_with_line,
        cpp_warning_with_line_syshdr): New specific error reporting functions.
        * expr.c (cpp_classify_number, eval_token, num_unary_op): Call
        specific warning functions with warning reason where appropriate.
        * lex.c (_cpp_process_line_notes, _cpp_skip_block_comment,
        warn_about_normalization, lex_identifier_intern, lex_identifier,
        _cpp_lex_direct): Ditto.
        * charset.c (_cpp_valid_ucn, convert_hex, convert_escape,
        narrow_str_to_charconst): Ditto.

2010-04-06  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/43642
        * lex.c (lex_raw_string): Change type of TYPE variable to
        unsigned char.

2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * aclocal.m4: Regenerate.

2010-03-29  Jason Merrill  <jason@redhat.com>

        More N3077 raw string changes
        * charset.c (cpp_interpret_string): Don't transform UCNs in raw
        strings.
        * lex.c (bufring_append): Split out from...
        (lex_raw_string): ...here.  Undo trigraph and line splicing
        transformations.  Do process line notes in multi-line literals.
        (_cpp_process_line_notes): Ignore notes that were already handled.

        Some raw string changes from N3077
        * charset.c (cpp_interpret_string): Change inner delimiters to ().
        * lex.c (lex_raw_string): Likewise.  Also disallow '\' in delimiter.

2010-02-11  Jakub Jelinek  <jakub@redhat.com>

        * init.c (read_original_filename): Don't call read_original_directory
        if _cpp_handle_directive returns 0.

2010-01-01  Joseph Myers  <joseph@codesourcery.com>

        PR preprocessor/41947
        * expr.c (cpp_classify_number): Give error for hexadecimal
        floating-point constant with no digits before or after point.

2009-11-20  Arnaud Charlet  <charlet@adacore.com>

        * macro.c (enter_macro_context): Call cb.used callback if defined.
        * directives.c (do_idef, do_ifndef): Ditto.
        * include/cpplib.h (struct cpp_callbacks): Add used callback.

2009-11-11  Kai Tietz  <kai.tietz@onevision.com>

        * directives.c (do_pragma_push_macro): New pragma handler.
        (do_pragma_pop_macro): Likewise.
        (_cpp_init_internal_pragmas): Add push_macro and
        pop_macro handler to internal pragmas.
        (lex_macro_node_from_str): Removed.
        (cpp_push_definition): Replace lex_macro_node_from_str
        by _cpp_lex_identifier.
        (cpp_pop_definition): Likewise.
        * internal.h (_cpp_lex_identifier): New prototype.
        (def_pragma_macro): New structure.
        (cpp_reader): New member pushed_macros.
        * lex.c (_cpp_lex_identifier): New function.
        (lex_identifier_intern): New function.
        * init.c (cpp_create_reader): Initialize pushed_macros
        member.
        (cpp_destroy): Free elements in pushed_macros member.
        * pch.c (_cpp_save_pushed_macros): New function.
        (_cpp_restore_pushed_macros): Likewise.
        (_cpp_restore_pushed_macros): Use _cpp_save_pushed_macros.
        (cpp_read_state): Use _cpp_restore_pushed_macros.

2009-10-19  Jakub Jelinek  <jakub@redhat.com>

        * charset.c (cpp_init_iconv): Initialize utf8_cset_desc.
        (_cpp_destroy_iconv): Destroy utf8_cset_desc, char16_cset_desc
        and char32_cset_desc.
        (converter_for_type): Handle CPP_UTF8STRING.
        (cpp_interpret_string): Handle CPP_UTF8STRING and raw-strings.
        * directives.c (get__Pragma_string): Handle CPP_UTF8STRING.
        (parse_include): Reject raw strings.
        * include/cpplib.h (CPP_UTF8STRING): New token type.
        * internal.h (struct cpp_reader): Add utf8_cset_desc field.
        * lex.c (lex_raw_string): New function.
        (lex_string): Handle u8 string literals, call lex_raw_string
        for raw string literals.
        (_cpp_lex_direct): Call lex_string even for u8" and {,u,U,L,u8}R"
        sequences.
        * macro.c (stringify_arg): Handle CPP_UTF8STRING.

2009-10-14  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/41543
        * include/line-map.h (RESERVED_LOCATION_COUNT): Define.
        * line-map.c (linemap_init): Initialize highest_location and
        highest_line to RESERVED_LOCATION_COUNT-1 instead of 0.

2009-10-09  Jason Merrill  <jason@redhat.com>

        * charset.c (_cpp_valid_ucn): Update C++0x restrictions.

2009-10-09  Neil Vachharajani <nvachhar@google.com>

        * directives.c (DIRECTIVE_TABLE): Remove DEPRECATED from ident and
        sccs.

2009-09-23  Loren J. Rittle  <ljrittle@acm.org>

        * configure.ac (AC_CHECK_HEADERS after AC_LANG(C++)): Add sys/stat.h.
        * configure: Rebuilt.

2009-09-22  Richard Guenther  <rguenther@suse.de>

        PR pch/38987
        * files.c (pch_open_file): Disallow non-toplevel PCH inclusion.

2009-09-18  Chris Demetriou  <cgd@google.com>

        PR preprocessor/28435:
        * include/cpplib.h (struct cpp_options): Add new member
        deps.need_preprocessor_output.
        * files.c (open_file_failed): If preprocessor output is needed
        always report an error.

2009-09-13  Kai Tietz  <kai.tietz@onevision.com>

        * configure.ac: Set for i?86-w64-mingw*
        need_64bit_hwint to yes.
        * configure: Regenerated.

2009-09-10  Jason Merrill  <jason@redhat.com>

        * directives.c (cpp_define): constify.

2009-09-02  Ian Lance Taylor  <iant@google.com>

        * macro.c (stringify_arg): Escape CPP_WCHAR tokens.

2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * configure.ac (AC_PREREQ): Bump to 2.64.

2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * aclocal.m4: Regenerate.
        * config.in: Regenerate.
        * configure: Regenerate.

2009-08-17  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/41067:
        * charset.c (convert_escape): Add missing ":" to error text.

2009-07-27  Douglas B Rupp  <rupp@gnat.com>

        * include/cpplib.h (INO_T_CPP): New macro.
        (struct cpp_dir): Use it.

2009-07-20  Jerry Quinn  <jlquinn@optonline.net>

        PR regression/40800
        * configure.ac: Use = instead of == for testing
        ENABLE_BUILD_WITH_CXX.
        * configure: Rebuild.

2009-07-17  Jerry Quinn  <jlquinn@optonline.net>

        * directives.c (do_linemarker, do_line): Use CPP_STRING for
        ignored enum value.
        * files.c (find_file_in_dir): Add cast from void* to char*.
        * symtab.c (ht_lookup_with_hash): Add cast from void* to char*.
        * Makefile.in: (WARN_CFLAGS): Use general and C-specific
        warnings.
        (CXX, CXXFLAGS, WARN_CXXFLAGS, ALL_CXXFLAGS,
        ENABLE_BUILD_WITH_CXX, CCDEPMODE, CXXDEPMODE, COMPILER,
        COMPILER_FLAGS): New.
        (DEPMODE): Set from CCDEPMODE or CXXDEPMODE.
        (COMPILE.base): Use COMPILER instead of CC.  Use COMPILER_FLAGS
        instead of ALL_CFLAGS.
        * configure.ac: Invoke AC_PROG_CXX.  Separate C-specific warnings
        from other warnings.  Add -Wc++-compat to C-specific warnings.
        Check for --enable-build-with-cxx.  Set and substitute
        ENABLE_BUILD_WITH_CXX.  Invoke ZW_PROG_COMPILER_DEPENDENCIES
        according to ENABLE_BUILD_WITH_CXX.  Invoke AC_LANG before
        AC_CHECK_HEADERS.
        * configure: Rebuild.
        * include/cpp-id-data.h: Remove extern "C".
        * include/line-map.h: Likewise.
        * include/mkdeps.h: Likewise.
        * include/symtab.h: Likewise.
        * internal.h: Likewise.

2009-06-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * directives.c (parse_include): Add location argument. Update all
        calls.
        (parse_answer): Likewise.
        (do_include_common): Error with exact location.
        (parse_assertion): Likewise.

2009-06-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * expr.c (num_div_op): Take explicit location.

2009-06-17  Ian Lance Taylor  <iant@google.com>

        * include/cpplib.h (progname): Don't declare.

2009-06-12  Ian Lance Taylor  <iant@google.com>

        * include/cpplib.h (struct cpp_options): Add
        warn_cxx_operator_names field.
        (NODE_WARN_OPERATOR): Define.
        (struct cpp_hashnode): Increase flags field to 10 bits, decrease
        type to 6 bits.
        * init.c (mark_named_operators): Add flags parameter.
        (cpp_post_options): Pick flags value to pass to
        mark_named_operators.
        * lex.c (lex_identifier): If NODE_WARN_OPERATOR is set, warn that
        identifier is an operator name in C++.

2009-06-01  Aldy Hernandez  <aldyh@redhat.com>

        * include/line-map.h (LAST_SOURCE_COLUMN): New.

2009-06-01  Ian Lance Taylor  <iant@google.com>

        * include/cpp-id-data.h: Add extern "C".
        * include/line-map.h: Likewise.
        * include/mkdeps.h: Likewise.
        * include/symtab.h: Likewise.
        * internal.h: Likewise.

2009-05-15  Ian Lance Taylor  <iant@google.com>

        * include/cpplib.h (enum cpp_builtin_type): Rename from enum
        builtin_type.  Change all uses.

2009-05-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR cpp/36674
        * directives (do_linemarker): Compensate for the increment in
        location that occurs when we reach the end of line.
        * files (_cpp_stack_include): Mention _cpp_find_file in the
        comment.

2009-05-10  Joseph Myers  <joseph@codesourcery.com>

        * include/cpplib.h (enum cpp_token_fld_kind): Add
        CPP_TOKEN_FLD_TOKEN_NO.
        (struct cpp_macro_arg, struct cpp_identifier): Define.
        (union cpp_token_u): Use struct cpp_identifier for identifiers.
        Use struct cpp_macro_arg for macro arguments.  Add token_no for
        CPP_PASTE token numbers.
        * directives.c (_cpp_handle_directive, lex_macro_node, do_pragma,
        do_pragma_poison, parse_assertion): Use val.node.node in place of
        val.node.
        * expr.c (parse_defined, eval_token): Use val.node.node in place
        of val.node.
        * lex.c (cpp_ideq, _cpp_lex_direct, cpp_token_len,
        cpp_spell_token, cpp_output_token, _cpp_equiv_tokens,
        cpp_token_val_index): Use val.macro_arg.arg_no or val.token_no in
        place of val.arg_no.  Use val.node.node in place of val.node.
        * macro.c (replace_args, cpp_get_token, parse_params,
        lex_expansion_token, create_iso_definition, cpp_macro_definition):
        Use val.macro_arg.arg_no or val.token_no in place of val.arg_no.
        Use val.node.node in place of val.node.

2009-05-03  Joseph Myers  <joseph@codesourcery.com>

        * charset.c (one_utf8_to_cppchar): Correct mask used for 5-byte
        UTF-8 sequences.

2009-04-25  Joseph Myers  <joseph@codesourcery.com>

        PR preprocessor/39559
        * expr.c (cpp_interpret_integer): Use a pedwarn for decimal
        constants larger than intmax_t in C99 mode.

2009-04-21  Taras Glek <tglek@mozilla.com>

        * include/cpp-id-data.h: Update GTY annotations to new syntax.
        * include/cpplib.h: Likewise.
        * include/line-map.h: Likewise.
        * include/symtab.h: Likewise.

2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c++/14875
        * lex.c (cpp_type2name): Take a flags parameter. Call
        cpp_named_operator2name for named operators and cpp_digraph2name
        for digraphs.
        (cpp_digraph2name): New.
        (cpp_spell_token): Use it.
        (cpp_output_token): Likewise.
        * include/cpplib.h (cpp_type2name): Update declaration.
        * init.c (cpp_named_operator2name): New.
        * internal.h (cpp_named_operator2name): Declare.

2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c++/13358
        * init.c (cpp_create_reader): Wlong_long is disabled by default.
        * expr.c (cpp_classify_number): Give different messages for C and
        C++ front-ends.

2009-04-19  Joseph Myers  <joseph@codesourcery.com>

        PR preprocessor/20078
        * include/cpp-id-data.h (struct cpp_macro): Add extra_tokens
        field.
        * include/cpplib.h (SP_DIGRAPH, SP_PREV_WHITE): Define.
        (struct cpp_token): Change flags to unsigned short.
        * lex.c (_cpp_lex_direct): Initialize arg_no for CPP_PASTE tokens.
        (_cpp_equiv_tokens): Check arg_no for CPP_PASTE tokens.
        (cpp_token_val_index): Return CPP_TOKEN_FLD_ARG_NO for CPP_PASTE
        tokens.
        * macro.c (macro_real_token_count): New.
        (enter_macro_context, replace_args): Use macro_real_token_count.
        (create_iso_definition): Record whitespace surrounding and digraph
        spelling of # and ## tokens using SP_PREV_WHITE and SP_DIGRAPH.
        Set extra_tokens and save CPP_PASTE tokens with arg_no set for
        multiple consecutive ## tokens.
        (_cpp_create_definition): Initialize extra_tokens.
        (cpp_macro_definition): Use macro_real_token_count.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

        * directives.c (parse_include): Pass true to check_eol.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

        PR preprocessor/39646
        * include/line-map.h (enum lc_reason): Add LC_RENAME_VERBATIM.
        * line-map.c (linemap_add): Handle LC_RENAME_VERBATIM.
        * directives.c (do_line, do_linemarker): Use LC_RENAME_VERBATIM in
        place of LC_RENAME.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

        PR preprocessor/39647
        * directives.c (check_eol): Add parameter expand.
        (do_undef, parse_include, do_line, do_linemarker, do_ident,
        do_pragma_once, do_pragma_system_header, do_ifdef, do_ifndef,
        do_else, do_endif, do_assert, do_unassert): All callers changed.
        Pass true from do_line, false elsewhere.

2009-04-12  Joseph Myers  <joseph@codesourcery.com>

        PR preprocessor/31869
        * macro.c (stringify_arg): Handle NULL source token in padding
        token where previous padding token did not have source token with
        preceding whitespace.

2009-04-09  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in: Change copyright header to refer to version
        3 of the GNU General Public License and to point readers at the
        COPYING3 file and the FSF's license web page.
        * charset.c: Likewise.
        * directives-only.c: Likewise.
        * directives.c: Likewise.
        * errors.c: Likewise.
        * expr.c: Likewise.
        * files.c: Likewise.
        * identifiers.c: Likewise.
        * include/cpp-id-data.h: Likewise.
        * include/cpplib.h: Likewise.
        * include/line-map.h: Likewise.
        * include/mkdeps.h: Likewise.
        * include/symtab.h: Likewise.
        * init.c: Likewise.
        * internal.h: Likewise.
        * lex.c: Likewise.
        * line-map.c: Likewise.
        * macro.c: Likewise.
        * makeucnid.c: Likewise.
        * mkdeps.c: Likewise.
        * pch.c: Likewise.
        * symtab.c: Likewise.
        * system.h: Likewise.
        * traditional.c: Likewise.
        * ucnid.tab: Likewise.
        * ucnid.h: Regenerate.

2009-04-01  Janis Johnson  <janis187@us.ibm.com>

        PR c/39027
        * include/cpplib.h (CPP_N_DEFAULT): Define.
        * expr.c (interpret_float_suffix): Recognize d or D for double,
        return new value for default.
        (cpp_classify_number): Issue pedwarn for use of d or D in suffix.

        PR c/33466
        * expr.c (interpret_float_suffix): Reject invalid suffix that uses
        letters from decimal float and fixed-point suffixes.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

        PR preprocessor/15638
        * files.c (_cpp_find_file): Call open_file_failed after diagnosing
        invalid PCH.
        (open_file_failed): Make error for missing file fatal.
        * include/cpplib.h (CPP_DL_FATAL): Define.

2009-03-30  Sergiy Vyshnevetskiy  <serg@vostok.net>

        PR preprocessor/31932:
        * internal.h: Don't mention HAVE_ICONV_H.
        * configure, config.in: Rebuild.
        * configure.ac: Don't check for iconv.h.

2009-03-30  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/39512:
        * line-map.c (linemap_init): Initialize 'reallocator' field.

2009-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR target/39558
        * macro.c (cpp_get_token): If macro_to_expand returns NULL
        and used some tokens, add CPP_PADDING before next token.

2009-03-29  Joseph Myers  <joseph@codesourcery.com>

        PR preprocessor/34695
        * makedepend.c: Remove.
        * Makefile.in (makedepend_OBJS, makedepend$(EXEEXT)): Remove.
        (all, clean, TAGS_SOURCES, include): Remove makedepend handling.
        * directives.c (cpp_errors): Remove.
        * errors.c (print_location, _cpp_begin_message, v_message):
        Remove.
        (cpp_error, cpp_error_with_line): Always use error callback.
        (cpp_error, cpp_error_with_line, cpp_errno): Return bool.
        * include/cpplib.h (cpp_options): Remove pedantic_errors,
        inhibit_warnings, warn_system_headers, inhibit_errors,
        warnings_are_errors, client_diagnostic.
        (cpp_callbacks): Add extra arguments to error callback; make it
        return bool.
        (cpp_finish): Return void.
        (cpp_destroy): Remove inaccurate comment about return value.
        (cpp_errors, CPP_DL_EXTRACT, CPP_DL_WARNING_P): Remove.
        (CPP_DL_NOTE): Define.
        * include/line-map.h (linemap_print_containing_files): Remove.
        * init.c (cpp_finish): Do not check for or return number of
        errors.
        * internal.h (cpp_reader): Remove errors field.
        * line-map.c (linemap_print_containing_files): Remove.
        * macro.c (_cpp_create_definition): Use CPP_DL_NOTE for message
        about previous definition.  Only emit it if previous diagnostic
        was emitted.

2009-03-28  Joseph Myers  <joseph@codesourcery.com>

        * Makefile.in (po/$(PACKAGE).pot): Use $(mkinstalldirs) not
        mkinstalldirs.

2009-03-18  Jakub Jelinek  <jakub@redhat.com>

        * include/cpplib.h (struct cpp_dir): Reorder fields for 64-bit hosts.

2009-02-21  Joseph Myers  <joseph@codesourcery.com>

        * lex.c (lex_string): Return a CPP_LESS token for missing '>' in a
        header name.
        (_cpp_lex_direct): Handle this.

2009-02-15  Richard Guenther  <rguenther@suse.de>

        Revert last change.

2009-02-13  Richard Guenther  <rguenther@suse.de>

        * configure.ac: Enable LFS.
        * configure: Re-generate.
        * config.in: Likewise.

2009-01-05  Ben Elliston  <bje@au.ibm.com>

        * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
        (.po.pox): Likewise.
        (po/$(PACKAGE).pot): Likewise.

2008-12-10  Alexandre Oliva  <aoliva@redhat.com>

        PR target/37033
        * pch.c (cpp_valid_state): Improve message for poisoned symbols.
        Allow for differences in __GCC_HAVE_DWARF2_CFI_ASM.

2008-11-29  Joseph Myers  <joseph@codesourcery.com>

        * lex.c (cpp_token_len): Use 6 as default length.

2008-10-31  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * expr.c (struct op): Add location.
        (_cpp_parse_expr): Propagate locations throught the stack
        of expressions.
        (reduce): Likewise.
        (check_promotion): Use explicit location in errors.

2008-10-05  Matthew Gingell  <gingell@adacore.com>
            Arnaud Charlet  <charlet@adacore.com>

        * include/cpplib.h (cpp_comments, cpp_comment_table): New structs.
        (cpp_get_comments): New function.
        * internal.h (struct cpp_reader): Add comments field.
        * init.c (cpp_destroy): Free comments.
        * lex.c (store_comment, cpp_get_comments): New functions.
        (comments): New struct.
        (save_comment): Store comments in comments struct.

2008-09-18  Simon Baldwin  <simonb@google.com>

        * include/cpplib.h (struct cpp_options): Add new boolean flag
        warn_builtin_macro_redefined.
        * init.c (cpp_create_reader): Initialize warn_builtin_macro_redefined.
        * (struct builtin_operator): Split out from previous struct builtin,
        enhance extra const correctness.
        * (struct builtin_macro): Split out from previous struct builtin, add
        new always_warn_if_redefined flag, enhance const correctness.
        * (mark_named_operators): Use struct builtin_operator.
        * (cpp_init_special_builtins): Use struct builtin_macro, add NODE_WARN
        to builtins selectively.
        * macro.c (warn_of_redefinition): Return false if a builtin macro
        is not flagged with NODE_WARN.

2008-07-31  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/36649
        * files.c (struct report_missing_guard_data): New type.
        (report_missing_guard): Put paths into an array instead of printing
        them right away.  Return 1 rather than 0.
        (report_missing_guard_cmp): New function.
        (_cpp_report_missing_guards): Sort and print paths gathered by
        report_missing_guard callback.

2008-07-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 28079
        * directives.c (strtolinenum): Handle overflow.
        (do_line): Give a warning if line number overflowed.
        (do_linemarker): Update call to strtolinenum.

2008-07-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * include/line-map.h (linenum_type): New typedef.
        (struct line_map): Use it.
        (SOURCE_LINE): Second arguments is a LOCATION not a LINE.
        (SOURCE_COLUMN): Likewise.
        * macro.c (_cpp_builtin_macro_text): Use linenum_type. Don't store
        source_location values in a variable of type linenum_type.
        * directives.c (struct if_stack): Use linenum_type.
        (strtoul_for_line): Rename as strtolinenum.
        (do_line): Use linenum_type.
        (do_linemarker): Use linenum_type and strtolinenum.
        (_cpp_do_file_change): Use linenum_t.
        * line-map.c (linemap_add): Likewise.
        (linemap_line_start): Likewise.
        * traditional.c (struct fun_macro): 'line' is a source_location.
        * errors.c (print_location): Use linenum_type.
        * directives-only.c (_cpp_preprocess_dir_only): Likewise.
        * internal.h (CPP_INCREMENT_LINE): Likewise.
        * lex.c (_cpp_skip_block_comment): Use source_location.
        
2008-07-14  Ben Elliston  <bje@au.ibm.com>

        * include/cpplib.h (NODE_CONDITIONAL): New.
        (struct cpp_callbacks): New macro_to_expand field.
        (struct cpp_hashnode): Adjust size of flags and type fields.
        (cpp_peek_token): Prototype.
        * lex.c (cpp_peek_token): New function.
        (_cpp_temp_token): Protect pre-existing lookaheads.
        * macro.c (cpp_get_token): Expand any conditional macros.
        (_cpp_backup_tokens_direct): New.
        (_cpp_backup_tokens): Call _cpp_backup_tokens_direct.
        (warn_of_redefinition): Silently allow redefined conditional
        macros.
        (_cpp_create_definition): Remove the conditional flag when a user
        defines one of the conditional macros.
        * internal.h (_cpp_backup_tokens_direct): New prototype.

2008-06-13  Andrew Haley  <aph@redhat.com>

        PR preprocessor/33305
        * macro.c (replace_args): Print a warning for empty macro
        arguments in C89 and C++.

2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in ($(srcdir)/aclocal.m4): Update dependencies.
        * configure: Regenerate.

2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in (datarootdir): New variable.

2008-06-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR preprocessor/36479
        * charset.c (cpp_interpret_string_notranslate): Also set
        narrow_cset_desc.width.

2008-06-07  Joseph Myers  <joseph@codesourcery.com>

        * configure.ac (parisc*64*-*-*): Remove.
        * configure: Regenerate.

2008-05-30  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/36320:
        * internal.h (_cpp_parse_expr): Update.
        * expr.c (_cpp_parse_expr): Add 'is_if' argument.  Update error
        messages.
        * directives.c (do_if): Update.
        (do_elif): Require expression if processing group.

2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>

        * include/cpplib.h (struct cpp_dir): Add new field, canonical_name.

2008-05-21  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/27777:
        * lex.c (cpp_output_line_to_string): New function.
        * internal.h (_cpp_begin_message): Don't declare.
        * errors.c (_cpp_begin_message): Now static.
        * include/cpplib.h (cpp_output_line_to_string): Declare.
        * directives.c (do_diagnostic): Rewrote.  Use
        cpp_output_line_to_string.  Don't use _cpp_begin_message.

2008-05-21  Tom Tromey  <tromey@redhat.com>

        * include/symtab.h (HT_ALLOCED): Remove.
        (ht_purge): Declare.
        * symtab.c (DELETED): New define.
        (ht_lookup): Update comment.
        (ht_lookup_with_hash): Handle deleted entries.  Remove HT_ALLOCED
        code.  Use subobject allocator for strings, if it exists.
        (ht_expand): Handle deleted entries.
        (ht_forall): Likewise.
        (ht_purge): New function.
        (ht_dump_statistics): Print deletion statistics.

2008-05-13  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/22168:
        * include/cpplib.h (struct cpp_options) <objc>: Update
        documentation.
        * expr.c (eval_token): Warn for use of assertions.
        * directives.c (directive_diagnostics): Warn about extensions.
        (DEPRECATED): New define.
        (DIRECTIVE_TABLE): Use it.

2008-05-06  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/35313, PR preprocessor/36088:
        * expr.c (optab) <QUERY, COMMA>: Set precedence to 4.
        (reduce) <case CPP_QUERY>: Special case CPP_COMMA and CPP_COLON.

2008-05-04  David S. Miller  <davem@davemloft.net>

        * configure.ac (sparc*-*-*): Always set need_64bit_hwint to yes.
        * configure: Regenerate.

2008-04-22  Daniel Franke  <franke.daniel@gmail.com>

        * include/cpplib.h (cpp_define_formatted): New.
        * directives.c (cpp_define_formatted): New.

2008-04-21  Tom Tromey  <tromey@redhat.com>

        PR libcpp/33415:
        * charset.c (_cpp_convert_input): Add buffer_start argument.
        Ignore UTF-8 BOM if seen.
        * internal.h (_cpp_convert_input): Add argument.
        * files.c (struct _cpp_file) <buffer_start>: New field.
        (destroy_cpp_file): Free buffer_start, not buffer.
        (_cpp_pop_file_buffer): Likewise.
        (read_file_guts): Update.

2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>

        * include/cpp-id-data.h (UC): Was U, conflicts with U"..." literal.
        * include/cpplib.h (CHAR16, CHAR32, STRING16, STRING32): New tokens.
        (struct cpp_options): Added uliterals.
        (cpp_interpret_string): Update prototype.
        (cpp_interpret_string_notranslate): Idem.
        * charset.c (init_iconv_desc): New width member in cset_converter.
        (cpp_init_iconv): Add support for char{16,32}_cset_desc.
        (convert_ucn): Idem.
        (emit_numeric_escape): Idem.
        (convert_hex): Idem.
        (convert_oct): Idem.
        (convert_escape): Idem.
        (converter_for_type): New function.
        (cpp_interpret_string): Use converter_for_type, support u and U prefix.
        (cpp_interpret_string_notranslate): Match changed prototype.
        (wide_str_to_charconst): Use converter_for_type.
        (cpp_interpret_charconst): Add support for CPP_CHAR{16,32}.
        * directives.c (linemarker_dir): Macro U changed to UC.
        (parse_include): Idem.
        (register_pragma_1): Idem.
        (restore_registered_pragmas): Idem.
        (get__Pragma_string): Support CPP_STRING{16,32}.
        * expr.c (eval_token): Support CPP_CHAR{16,32}.
        * init.c (struct lang_flags): Added uliterals.
        (lang_defaults): Idem.
        * internal.h (struct cset_converter) <width>: New field.
        (struct cpp_reader) <char16_cset_desc>: Idem.
        (struct cpp_reader) <char32_cset_desc>: Idem.
        * lex.c (digraph_spellings): Macro U changed to UC.
        (OP, TK): Idem.
        (lex_string): Add support for u'...', U'...', u"..." and U"...".
        (_cpp_lex_direct): Idem.
        * macro.c (_cpp_builtin_macro_text): Macro U changed to UC.
        (stringify_arg): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.

2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

        PR bootstrap/35457
        * aclocal.m4: Regenerate.
        * configure: Regenerate.

2008-04-17  Tom Tromey  <tromey@redhat.com>

        PR libcpp/34866:
        * errors.c (cpp_error): Don't reference a token before the start
        of the current run.

2008-04-16  Tom Tromey  <tromey@redhat.com>

        * Makefile.in (TAGS_SOURCES): New variable.
        (TAGS): New target.

2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>

        * configure.ac: (need_64bit_hwint): Need 64bit hwint for sh-*-*
        and shbe-*-*.
        * configure: Rebuilt.

2008-04-02  Joseph Myers  <joseph@codesourcery.com>

        * include/cpplib.h (struct cpp_callbacks): Add used_define,
        used_undef and before_define.
        (NODE_USED): Define.
        * directives.c (do_define, do_undef, undefine_macros, do_ifdef,
        do_ifndef, cpp_pop_definition): Handle new flag and use new
        callbacks.
        * expr.c (parse_defined): Handle new flag and use new callbacks.
        * macro.c (enter_macro_context, _cpp_free_definition): Handle new
        flag and use new callbacks.

2008-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR pch/13675
        * files.c (struct _cpp_file): Remove pch field.
        (pch_open_file): Don't set file->pch, just file->pchname.
        (should_stack_file): After pfile->cb.read_pch call
        free pchname and clear pchname, don't close file->fd.
        Test file->pchname instead of file->pch.  Don't close fd after cb.
        (_cpp_stack_include): Test file->pchname instead of file->pch.

2008-03-28  Tom Tromey  <tromey@redhat.com>

        * Makefile.in (POSTCOMPILE): New variable.
        (.c.o): Use it.

2008-03-13  Tom Tromey  <tromey@redhat.com>

        PR libcpp/35322:
        * directives.c (destringize_and_run): Set pfile->directive.

2008-03-06  Markus Milleder  <markus.milleder@generali.at>

        PR preprocessor/35458
        * mkdeps.c (munge): Quote '#' with a '\'.

2008-02-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR preprocessor/35379
        * mkdeps.c (deps_write): Ensure the first target always appears
        in the first column, without leading backslash newline.  Avoid
        some more extra whitespace.

2008-02-25  Thiemo Seufer <ths@mips.com>

        * Makefile.in ($(srcdir)/config.in): Depend on configure.ac.

2008-02-19  Tom Tromey  <tromey@redhat.com>

        * traditional.c (lex_identifier): Use CPP_HASHNODE.
        * lex.c (lex_identifier): Use CPP_HASHNODE.
        * include/line-map.h (LINEMAP_POSITION_FOR_COLUMN): Wrap in
        do-while.
        * identifiers.c (alloc_node): Change return type.
        (_cpp_init_hashtable): Don't cast 'alloc_node'.
        (proxy_assertion_broken): New declaration.
        (cpp_forall_identifiers): Move comment.
        * line-map.c (linemap_add): Comment fix.
        (linemap_line_start): Indentation fix.

2008-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/34692
        * macro.c (collect_args): Add pragma_buff argument.  Push
        CPP_PRAGMA ... CPP_PRAGMA_EOL tokens to *pragma_buff, rather
        than into arguments.  Reset prevent_expansion and parsing_args
        state at CPP_PRAGMA_EOL/CPP_EOF.
        (funlike_invocation_p): Add pragma_buff argument, pass it through
        to collect_args.
        (enter_macro_context): Add result argument.  Adjust
        funlike_invocation_p caller.  Emit all deferred pragma tokens
        gathered during collect_args before the expansion, add a padding
        token.  Return 2 instead of 1 if any pragma tokens were prepended.
        (cpp_get_token): If enter_macro_context returns 2, don't return
        a padding token, instead cycle to grab CPP_PRAGMA token.
        * directives.c (_cpp_handle_directive): If was_parsing_args
        in deferred pragma, leave parsing_args and prevent_expansion as is.

2008-01-22  Tom Tromey  <tromey@redhat.com>

        PR c++/34859
        * macro.c (_cpp_create_definition): Handle __STDC_LIMIT_MACROS and
        __STDC_CONSTANT_MACROS.

2008-01-07  Fred Fish  <fnf@specifix.com>

        PR preprocessor/30363
        * traditional.c (replace_args_and_push): Add local variable
        cxtquote, calculate the replacement text size assuming a 
        worst case of every input character quoted with backslash,
        and properly handle output quoting of quote characters in
        actual arguments used in function-like macros.

2008-01-03  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/34602
        * directives.c (do_line): Don't try to spell EOF token.
        (do_linemarker): Add comment.

2007-12-11  DJ Delorie  <dj@redhat.com>

        * charset.c (convert_using_iconv): Close out any shift states,
        returning to the initial state.

2007-12-06  Tom Tromey  <tromey@redhat.com>

        PR c/29172
        * internal.h (struct cpp_reader) <file_hash_entries>: Changed
        type.
        <file_hash_entries_allocated, file_hash_entries_used>: Removed.
        * files.c (FILE_HASH_POOL_SIZE): New macro.
        (struct file_hash_entry_pool): New.
        (destroy_all_cpp_files): New function.
        (allocate_file_hash_entries): Allocate a file_hash_entry_pool.
        (new_file_hash_entry): Update.
        (free_file_hash_entries): New function.
        (_cpp_cleanup_files): Call free_file_hash_entries and
        destroy_all_cpp_files.
        (cpp_clear_file_cache): New function.
        * include/cpplib.h (cpp_clear_file_cache): Declare.

2007-12-03  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/34288
        * configure.ac, config.in: Rebuilt.
        * configure.ac: Check for ssize_t.

2007-11-30  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/32868
        * macro.c (_cpp_create_definition): Special case
        __STDC_FORMAT_MACROS.

2007-11-16  Michael Matz  <matz@suse.de>

        * files.c (search_path_head): Fix check for absolute paths.

2007-11-11  Tom Tromey  <tromey@redhat.com>

        PR c++/17557
        * include/cpplib.h (cpp_included_before): Declare.
        * files.c (struct file_hash_entry) <location>: New field.
        (_cpp_find_file): Initialize new field.
        (make_cpp_dir): Likewise.
        (cpp_included_before): New function.

2007-11-01  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/30805
        * macro.c (paste_tokens): Handle padding token.
        (paste_tokens): Don't abort unless padding has PASTE_LEFT flag.

2007-10-31  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/30786
        * macro.c (builtin_macro): Return result of _cpp_do__Pragma.
        * directives.c (_cpp_do__Pragma): Return error status.
        * internal.h (_cpp_do__Pragma): Update.
        * directives.c (get__Pragma_string): Back up if EOF seen.

2007-09-06  Tom Tromey  <tromey@redhat.com>

        * internal.h (struct cpp_reader) <invocation_location>: New
        field.
        (struct cpp_reader) <set_invocation_location>: Likewise.
        * init.c (cpp_set_line_map): New function.
        * line-map.c (linemap_add): Use linemap's allocator.
        * include/line-map.h (GTY): Define.
        (line_map_realloc): New typedef.
        (struct line_map): Mark with GTY.
        (struct line_maps): Likewise.
        (struct line_maps) <maps>: Likewise.
        (struct line_maps) <reallocator>: New field.
        * include/symtab.h (GTY): Conditionally define.
        * include/cpplib.h (cpp_set_line_map): Declare.
        (cpp_get_token_with_location): Declare.
        * macro.c (cpp_get_token): Set invocation_location on the reader.
        (cpp_get_token_with_location): New function.

2007-08-30  Chao-ying Fu  <fu@mips.com>

        * expr.c (interpret_float_suffix): Support hr, r, lr, llr, uhr, ur,
        ulr, ullr, hk, k, lk, llk, uhk, uk, ulk, ullk.
        (cpp_classify_number): Support decimal fixed-point constants without
        exponents.
        Warn about fixed-point constants when -pedantic.
        * include/cpplib.h (CPP_N_SMALL, CPP_N_MEDIUM, CPP_N_LARGE): Change
        comments to support fixed-point values.
        (CPP_N_FRACT, CPP_N_ACCUM): Define.

2007-08-18  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/32974
        * directives.c (parse_include): Don't check for EOL when
        processing #pragma dependency.

2007-07-30  Ollie Wild  <aaw@google.com>

        * directives-only.c: New file.
        * internal.h (struct _cpp_dir_only_callbacks): New.
        (_cpp_preprocess_dir_only): New function.
        * directives.c (_cpp_handle_directive): Check directives_only before
        disabling execution of indented directives.
        * files.c (_cpp_stack_file): Add directives_only check.
        * include/cpplib.h (struct cpp_options): Add directives_only.
        (cpp_init_special_builtins): New function.
        * init.c (cpp_init_special_builtins): New function.
        (cpp_init_builtins): Move builtin_array initialization to
        cpp_init_special_builtins.
        (post_options): Check directives_only before setting
        pfile->state.prevent_expansion = 1.
        * macro.c (_cpp_builtin_macro_text): Print an error if __COUNTER__
        is expanded inside a directive while -fdirectives-only is enabled.
        * Makefile.in (libcpp_a_OBJS): Add directives-only.o.
        (libcpp_a_SOURCES): Add directives-only.c.

2007-07-04  Uros Bizjak  <ubizjak@gmail.com>

        * traditional.c (_cpp_scan_out_logical_line): Initialize
        fmacro.args, fmacro.node, fmacro.offset, fmacro.line and
        fmacro.args to prevent 'may be used uninitialized' warning.

2007-07-03  Uros Bizjak  <ubizjak@gmail.com>

        * include/cpplib.h (CPP_N_WIDTH_MD, CPP_N_MD_W, CPP_N_MD_Q):
        Add new constants.
        * expr.c (interpret_float_suffix): Process 'w', 'W', 'q' and 'Q'
        suffixes.  Return CPP_N_MD_W for 'w' or 'W' suffixes and CPP_N_MD_Q
        for 'q' or 'Q' suffixes.

2007-06-17  Danny Smith  <dannysmith@users.sourceforge.net

        * files.c (open_file): Correct typo.

2007-06-16  Vladimir Prus  <vladimir@codesourcery.com>

        * files.c (open_file): Prevent the call
        for stat from overwriting errno.

2007-06-09  Vladimir Prus  <vladimir@codesourcery.com>

        * files.c (open_file): Account for the
        fact that on windows, opening a directory gives
        EACCES.

2007-06-05  Joerg Wunsch  <j.gnu@uriah.heep.sax.de>

        PR preprocessor/23479
        * expr.c (cpp_classify_number): Implement 0b-prefixed binary
        integer constants.
        (append_digit): Likewise.
        * include/cpplib.h: Add CPP_N_BINARY, to be used for 0b-prefixed
        binary integer constants.

2007-05-31  Dave Korn  <dave.korn@artimi.com>

        PR preprocessor/14331
        * lex.c (_cpp_get_fresh_line):  Don't warn if no newline at EOF.

2007-05-24  Ollie Wild  <aaw@google.com>

        * macro.c (_cpp_builtin_macro_text): Handle BT_COUNTER.
        * pch.c (cpp_write_pch_deps): Save __COUNTER__ state.
        (cpp_write_pch_state): Save __COUNTER__ state.
        (cpp_valid_state): Check valid __COUNTER__ state.
        (cpp_read_state): Read new __COUNTER__ state.
        * include/cpplib.h (enum builtin_type): Add BT_COUNTER enumerator.
        * init.c (builtin_array): Add __COUNTER__/BT_COUNTER.
        * internal.h (struct cpp_reader): Add counter member.

2007-05-23  Simon Martin  <simartin@users.sourceforge.net>

        PR preprocessor/20077
        * macro.c (create_iso_definition): Fixed the method to determine
        whether the token-pasting operator appears at the beginning or the end
        of a macro.

2007-05-21  Ian Lance Taylor  <iant@google.com>

        * internal.h (struct cpp_reader): Add new fields:
        nonexistent_file_hash and nonexistent_file_ob.
        * files.c: Include "obstack.h".
        (find_file_in_dir): Before trying to open the file, look up the
        path name in the hash table of nonexistent files.  After failing
        to open the file, add the path name to the hash table.
        (_cpp_find_file): Cache the results of looking up the file name
        starting with the quote and bracket chain heads, if we can.
        (nonexistent_file_hash_eq): New static function.
        (_cpp_init_files): Initialize pfile->nonexistent_file_hash and
        pfile->nonexistent_file_ob.
        (_cpp_cleanup_files): Free pfile->nonexistent_file_hash and
        pfile->nonexistent_file_ob.

2007-05-14  Janis Johnson  <janis187@us.ibm.com>

        * expr.c (cpp_classify_number): Warn about dfp constant for -pedantic.

        PR c/31924
        * expr.c (interpret_float_suffix): Check for invalid suffix.

2007-05-02  Eric Christopher  <echristo@apple.com>

        * expr.c (num_div_op): Don't overflow if the result is
        zero.

2007-05-02  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/28709
        * macro.c (paste_tokens): Remove PASTE_LEFT from the old lhs.

2007-03-30  Michael Meissner  <michael.meissner@amd.com>

        * directives.c (lex_macro_node_from_str): Fix alloca call to be
        type correct.

2007-03-30  Richard Henderson  <rth@redhat.com>

        * directives.c (lex_macro_node_from_str): New.
        (cpp_push_definition, cpp_pop_definition): New.
        * include/cpplib.h (cpp_push_definition, cpp_pop_definition): Declare.

2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>

        * Makefile.in: Add dummy install-pdf target.

2007-01-30  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/30468
        * mkdeps.c (apply_vpath): Strip successive '/'s if we stripped
        './'.

2007-01-30  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/29966
        * macro.c (lex_expansion_token): Save and restore cpp_reader's
        cur_token.
        (_cpp_create_definition): Don't restore cur_token here.
        * lex.c (_cpp_lex_token): Added assertion.

2007-01-27  Tom Tromey  <tromey@redhat.com>

        * configure: Rebuilt.

2007-01-12  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/28227
        * directives.c (lex_macro_node): Added 'is_def_or_undef'
        argument.
        (do_define): Update.
        (do_undef): Update.
        (do_ifdef): Update.
        (do_ifndef): Update.

2007-01-11  Paolo Bonzini  <bonzini@gnu.org>

        * configure: Regenerate.

2007-01-11  Paolo Bonzini  <bonzini@gnu.org>

        * configure: Regenerate.

2007-01-04  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/28165
        * internal.h (cpp_in_primary_file): New function.
        * directives.c (do_include_next): Use cpp_in_primary_file.
        (do_pragma_once): Likewise.
        (do_pragma_system_header): Likewise.

2006-12-29  Ian Lance Taylor  <iant@google.com>

        * lex.c (_cpp_clean_line): Add uses of __builtin_expect.  Don't
        look backward at the end of the line unless we saw a backslash.

2006-12-29  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/29612
        * directives.c (do_linemarker): Set pfile->buffer->sysp always, not
        only when new_sysp is non-zero.

2006-12-28  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/30001
        * charset.c (_cpp_convert_input): Check that to.len is greater
        than zero.

2006-11-20  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>

        * configure.ac (need_64bit_hwint): Need 64bit hwint for SPU.
        * configure: Rebuilt.

2006-11-01      Douglas Gregor <doug.gregor@gmail.com>

        * include/cpplib.h (enum c_lang): Add CLK_GNUCXX0X and CLK_CXX0X
        for experimental C++0x mode.
        * init.c (lang_defaults): Add defaults for C++0x modes. C++0x has
        adopted the preprocessor changes introduced in C99.

2006-10-29  Joseph Myers  <joseph@codesourcery.com>

        * configure.ac (need_64bit_hwint): Set for i[34567]86-*-linux*
        depending on --enable-targets=all.
        * configure: Regenerate.

2006-10-12  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/28709
        * macro.c (paste_tokens): Do error reporting here, use BUF with the
        spelled LHS token as opposed to spelling it again.
        (paste_all_tokens): Don't report errors here, just break on failure.

2006-10-10  Brooks Moses  <bmoses@stanford.edu>

        * Makefile.in: Added empty "pdf" target.

2006-09-22  Geoffrey Keating  <geoffk@apple.com>

        * configure.ac: Make need_64_bit_hwint case for x86-darwin
        match exactly the glob in gcc/config.gcc.
        * configure: Regenerate.

2006-09-13  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/28768
        PR preprocessor/14634
        * lex.c (lex_string): Pedwarn for unterminated literals.

2006-09-08  Eric Christopher  <echristo@apple.com>

        * configure.ac: Add 64-bit HWI support for i?86-darwin.

2006-08-14  Steve Ellcey  <sje@cup.hp.com>

        PR c++/28288
        PR c++/14556
        * include/cpplib.h: Remove <?, >?, <?=, and >?= tokens.
        (CPP_LAST_EQ): Change.
        (CPP_LAST_PUNCTUATOR): Change.
        * expr.c (cpp_operator): Remove MIN and MAX.
        (reduce): Remove CPP_MIN and CPP_MAX.
        (num_binary_op): Ditto.
        * lex.c (_cpp_lex_direct): Ditto.
        (cpp_avoid_paste): Remove ? as legal symbol after > or <.

2006-06-09  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/27746
        * directives.c (do_pragma): Handle pragma with valid namespace
        and invalid name coming from macro expansion.
        * directives.c (destringize_and_run): Initialize next field in
        context.

        PR c/27747
        PR c++/27748
        * directives.c (destringize_and_run): Set NO_EXPAND on the
        tokens.

        * macro.c (_cpp_backup_tokens): Fix comment typo.

2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>

        * Makefile.in (CATALOGS): Add po/ prefix.
        * configure: Regenerated.

2006-05-23  Carlos O'Donell  <carlos@codesourcery.com>

        * Makefile.in: Add install-html target. Add install-html to .PHONY

2006-02-17  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>

        * macro.c (_cpp_builtin_macro_text): Handle BT_TIMESTAMP.
        * files.c (_cpp_get_file_stat): New function.
        * include/cpplib.h (builtin_type): Add BT_TIMESTAMP.
        * init.c (builtin_array): Add support for __TIMESTAMP__/BT_TIMESTAMP.
        * internal.h (_cpp_get_file_stat): Prototype.
        (struct cpp_buffer): Add timestamp.

2006-01-23  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/25717
        * init.c (cpp_init_builtins): If __STDC__ will not change value
        between system headers and other sources, define it as a normal
        macro rather than a builtin.
        * macro.c (_cpp_builtin_macro_text) <case BT_STDC>: Only check
        cpp_in_system_header condition.

2006-01-05  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.in: Use -MMD instead of -MD.

2006-01-04  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
            Richard Henderson  <rth@redhat.com>

        Merge from gomp branch:
        * directives.c (struct pragma_entry): Add is_deferred.  Add ident
        entry to value union.
        (end_directive): Don't eat the line if in_deferred_pragma.
        (run_directive): Remove pragma hacks.
        (insert_pragma_entry): Remove.
        (new_pragma_entry): New.
        (register_pragma_1): Split out of register_pragma.  Only handle
        the lookup tree and return the new entry.
        (cpp_register_pragma): Fill in the pragma entry here.
        (cpp_register_deferred_pragma): New.
        (register_pragma_internal): New.
        (_cpp_init_internal_pragmas): Use register_pragma_internal.
        (do_pragma): Allow pragma expansion after namespace.  For deferred
        pragmas, don't slurp the line into a string.
        (destringize_and_run): Save tokens for deferred pragmas.
        (cpp_handle_deferred_pragma): Remove.
        * macro.c (builtin_macro): Remove pragma token hack.
        (_cpp_push_token_context): Rename from push_token_context and export.
        * internal.h (struct lexer_state): Add pragma_allow_expansion.
        (_cpp_push_token_context): Declare.
        * lex.c (_cpp_lex_token): Allow _cpp_handle_directive to return
        a token.  Update the line number correctly if so.
        (_cpp_lex_direct): Emit CPP_PRAGMA_EOL tokens.
        (cpp_token_val_index): Return CPP_TOKEN_FLD_PRAGMA for pragmas.
        * include/cpplib.h (PRAGMA_EOL): New.
        (CPP_TOKEN_FLD_PRAGMA): New.
        (struct cpp_token): Add val.pragma.
        (struct cpp_options): Remove defer_pragmas.
        (cpp_handle_deferred_pragma): Remove.
        (cpp_register_deferred_pragma): Declare.

2006-01-01  Jakub Jelinek  <jakub@redhat.com>

        PR c++/25294
        * directives.c (do_pragma): If pragma line ends with multi-line
        block comment, end the saved deferred pragma string before that
        comment.  Handle embedded '\0' chars on the pragma line.

2005-12-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c++/23333
        * include/cpplib.h: Add PURE_ZERO to flags for the cpp_token structure.

2005-12-07  Jon Grimm  <jgrimm2@us.ibm.com>
            Ben Elliston  <bje@au.ibm.com>

        * include/cpplib.h (CPP_N_DFLOAT): New.
        * expr.c (interpret_float_suffix): Identify df, dd, and dl
        suffixes as decimal floating point constants.
        (cpp_classify_number): Disallow hexadecimal DFP constants.

2005-11-14  Gerald Pfeifer  <gerald@pfeifer.com>
            Ian Lance Taylor  <ian@airs.com>

        * include/cpplib.h (struct cpp_callbacks): Annotate error with
        ATTRIBUTE_FPTR_PRINTF(3,0) instead of ATTRIBUTE_PRINTF(3,0).

2005-11-09  Per Bothner  <per@bothner.com>
            Uros Bizjak  <uros@kss-loka.si>

        PR c/24101
        * init.c (read_original_filename): Temporarily set
        state.in_directive before calling _cpp_lex_direct for
        CPP_HASH tokens.

2005-11-03  James E Wilson  <wilson@specifix.com>

        PR preprocessor/24202
        * files.c (_cpp_pop_file_buffer): Set buffer_valid to false.

2005-11-04  Joseph S. Myers  <joseph@codesourcery.com>

        * include/cpplib.h (struct cpp_callbacks): Make error take
        va_list* parameter.
        * errors.c (cpp_error): Update call to callback.

2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR preprocessor/22042
        * macro.c (_cpp_builtin_macro_text): Lower the needed max
        buffer size.
        (cpp_quote_string): Don't octalify non printable
        charactors.

2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>

        PR c++/17964
        * include/cpplib.h (struct cpp_options): Add client_diagnostic.
        (struct cpp_callbacks): Add error.
        * errors.c (cpp_error): If client_diagnostic, use error callback.
        * charset.c (convert_escape): Don't use %03o in diagnostic.

2005-10-21  James E Wilson  <wilson@specifix.com>

        PR preprocessor/15220
        * files.c (_cpp_find_file): New parameter angle_brackets.  Fix all
        callers.  Pass to open_file_failed.
        (open_file_failed): New parameter angle_brackets.  Fix all callers.
        Use in print_dep assignment.
        * init.c (cpp_read_main_file): Pass additional arg to _cpp_find_file.
        * internal.h (_cpp_find_file): Add new parm to declaration.

2005-10-08  Kazu Hirata  <kazu@codesourcery.com>

        * configure.ac: Require 64-bit int for arm*-*-*eabi*.
        * configure: Regenerate.

2005-10-04  Ian Lance Taylor  <ian@airs.com>

        PR preprocessor/13726
        * directives.c (check_eol_return_comments): New static function.
        (parse_include): Add buf parameter.  Change all callers.
        (do_include_common): If not discard comments, turn on
        save_comments.  Pass collected comments to include callback.
        * include/cpplib.h (struct cpp_callbacks): Add new parameter to
        include callback: cpp_token list.

2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>

        * include/cpplib.h (struct cpp_options): Add extended_identifiers.
        * init.c (struct lang_flags, lang_defaults): Add
        extended_identifiers.
        (cpp_set_lang): Use it.
        * lex.c (forms_identifier_p): Check extended_identifiers.

2005-08-30  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/20348
        PR preprocessor/20356
        * files.c (_cpp_find_file, search_cache): Revert 2004-06-26 and
        2004-06-05 changes.

2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * configure.ac (ACX_PROG_CC_WARNING_OPTS): add
        -Wmissing-format-attribute.

        * configure: Regenerate.

2005-06-29  Kelley Cook  <kcook@gcc.gnu.org>

        * all files: Update FSF address in copyright headers.
        * makeucnid.c (write_copyright): Update outputted FSF address.

2005-06-13  Zack Weinberg  <zack@codesourcery.com>

        * configure.ac: Invoke ZW_CREATE_DEPDIR and
        ZW_PROG_COMPILER_DEPENDENCIES.
        * aclocal.m4, configure: Regenerate.
        * Makefile.in (DEPMODE, DEPDIR, depcomp, COMPILE.base, COMPILE):
        New variables.
        (distclean): Clean up $(DEPDIR) and its contents.
        (.c.o): Use $(COMPILE).
        Include $(DEPDIR)/*.Po for most object->header dependencies.

2005-05-28  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * configure.ac: Check declarations for asprintf and vasprintf.
        * config.in: Regenerate.
        * configure: Likewise.

        * charset.c (conversion_loop): Use XRESIZEVEC.
        (convert_no_conversion): Likewise.
        (convert_using_iconv): Likewise.
        (init_iconv_desc): Cast return value of alloca.
        (cpp_host_to_exec_charset): Use XNEWVEC.
        (emit_numeric_escape): Use XRESIZEVEC.
        (cpp_interpret_string): Use XNEWVEC.
        (cpp_interpret_string): Use XRESIZEVEC.
        (_cpp_interpret_identifier): Cast return value of alloca.
        (_cpp_convert_input): Use XNEWVEC and XRESIZEVEC.
        * directives.c (glue_header_name): Use XNEWVEC and XRESIZEVEC.
        (parse_include): Use XNEWVEC.
        (insert_pragma_entry): Rename local variable "new" to
        "new_entry".
        (save_registered_pragmas): Cast return value of xmemdup.
        (destringize_and_run): Same for alloca.
        (parse_assertion): Likewise.
        (do_assert): Cast allocated storage to proper type.
        (cpp_define): Likewise.
        (_cpp_define_builtin): Likewise.
        (cpp_undef): Likewise.
        (handle_assertion): Likewise.
        (cpp_push_buffer): Rename local variable "new" to "new_buffer".
        * expr.c (CPP_UPLUS): Cast value to type cpp_ttype.
        (CPP_UMINUS): Likewise.
        (struct cpp_operator): Rename from struct operator.
        (_cpp_expand_op_stack): Use XRESIZEVEC.
        * files.c (pch_open_file): Use XNEWVEC.
        (pch_open_file): Use XRESIZEVEC.
        (read_file_guts): Use XNEWVEC and XRESIZEVEC.
        (dir_name_of_file): Use XNEWVEC.
        (make_cpp_file): Use XCNEW.
        (make_cpp_dir): Likewise.
        (allocate_file_hash_entries): USE XNEWVEC.
        (cpp_included): Cast return value of htab_find_with_hash.
        (append_file_to_dir): Use XNEWVEC.
        (read_filename_string): Likewise. Use XRESIZEVEC too.
        (read_name_map): Cast return value of alloca.  Use XRESIZEVEC.
        (remap_filename): Use XNEWVEC.
        (struct pchf_entry): Move definition out of struct pchf_data.
        (_cpp_save_file_entries): Use XCNEWVAR.
        (_cpp_read_file_entries): Use XNEWVAR.
        * identifiers.c (alloc_node): Use XOBNEW.
        * init.c (cpp_create_reader): Use XCNEW.
        (cpp_init_builtins): Cast of b->value to enum builtin_type.
        (read_original_directory): Cast return value of alloca.
        * lex.c (add_line_note): Use XRESIZEVEC.
        (warn_about_normalization): Use XNEWVEC.
        (_cpp_lex_direct): Cast node->directive_index to (enum cpp_ttype).
        (new_buff): Use XNEWVEC.
        * line-map.c (linemap_add): Use XRESIZEVEC.
        * macro.c (builtin_macro): Cast return value of alloca.
        (paste_tokens): Likewise.
        (expand_arg): Use XNEWVEC and XRESIZEVEC.
        (_cpp_save_parameter): Use XRESIZEVEC.
        (create_iso_definition): Cast allocated storage to proper type.
        (_cpp_create_definition): Likewise.
        (cpp_macro_definition): Use XRESIZEVEC.
        * makedepend.c (add_clm): Use XNEW.
        (add_dir): Likewise.
        * mkdeps.c (munge): Use XNEWVEC.
        (deps_init): Use XCNEW.
        (deps_add_target): Use XRESIZEVEC.
        (deps_add_default_target): Cast return value of alloca.
        (deps_add_dep): Use XRESIZEVEC.
        (deps_add_vpath): Likewise.  Use XNEWVEC too.
        (deps_restore): Likewise.
        * pch.c (save_idents): Use XNEW and XNEWVEC.
        (cpp_save_state): Use XNEW.
        (count_defs): Cast return value of htab_find.
        (write_defs): Likewise.
        (cpp_write_pch_deps): Use XNEWVEC.
        (collect_ht_nodes): Use XRESIZEVEC.
        (cpp_valid_state): Use XNEWVEC.
        (save_macros): Use XRESIZEVEC.  Cast return value of xmemdup.
        * symtab.c (ht_create): Use XCNEW.
        (ht_lookup_with_hash): Cast return value of obstack_copy0.
        (ht_expand): Use XCNEWVEC.
        * system.h (HAVE_DESIGNATED_INITIALIZERS): False if __cplusplus.
        (bool): Do not define if __cplusplus.

2005-05-12  Zack Weinberg  <zack@codesourcery.com>

        * directives.c (#sccs table entry): Mark IN_I, consistent with #ident.
        (do_sccs): Delete function definition, #define to do_ident.
        (do_ident): Don't hardwire directive name.

2005-05-12  Ryota Kunisawa  <kunisawa@access.co.jp>

        PR bootstrap/21230
        * configure: Regenerate.

2005-04-27  Andris Pavenis  <pavenis@latnet.lv>

        * files.c: Include io.h for DJGPP to get prototype of setmode.

2005-04-19  Per Bothner  <per@bothner.com>

        PR preprocessor/20907
        * line-map.c (linemap_line_start): Fix bug when we need to increse
        column_bits but can re-use the current line_map.

2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h (fopen, fdopen, freopen): Define these to the unlocked
        libiberty functions.

2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * configure.ac (libcpp_UNLOCKED_FUNCS): New.
        (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for libcpp_UNLOCKED_FUNCS.
        * system.h (putchar, getc, getchar, clearerr, feof, fileno,
        fflush, fgetc, fgets, ferror, fread): Redefine to the associated
        _unlocked function.
        (fwrite_unlocked): Fix prototype.

        * configure, config.in: Regenerate.

2005-04-05  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/19475
        * macro.c (create_iso_definition): For < ISO C99, don't
        pedwarn if there is no whitespace between macro name and its
        replacement, but the replacement starts with a basic character
        set character.

2005-03-28  Andreas Jaeger  <aj@suse.de>

        * lex.c (warn_about_normalization): Cast field width to int to
        avoid warning.

2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>

        * configure.ac: Consistently use solaris2.1[0-9]* instead of
        solaris2.1[0-9].
        * configure: Regenerate.

2005-03-15  Geoffrey Keating  <geoffk@apple.com>

        * charset.c (_cpp_valid_ucn): In identifiers, reject a partial
        UCN rather than printing an error.

2005-03-14  Geoffrey Keating  <geoffk@apple.com>

        * lex.c (forms_identifier_p): Disable UCNs in C89 mode.

2005-03-14  Geoffrey Keating  <geoffk@apple.com>

        * init.c (cpp_create_reader): Default warn_normalize to normalized_C.
        * charset.c: Update for new format of ucnid.h.
        (ucn_valid_in_identifier): Update for new format of ucnid.h.
        Add NST parameter, and update it; update callers.
        (cpp_valid_ucn): Add NST parameter, update callers.  Replace abort
        with cpp_error.
        (convert_ucn): Pass normalize_state to cpp_valid_ucn.
        * internal.h (struct normalize_state): New.
        (INITIAL_NORMALIZE_STATE): New.
        (NORMALIZE_STATE_RESULT): New.
        (NORMALIZE_STATE_UPDATE_IDNUM): New.
        (_cpp_valid_ucn): New.
        * lex.c (warn_about_normalization): New.
        (forms_identifier_p): Add normalize_state parameter, update callers.
        (lex_identifier): Add normalize_state parameter, update callers.  Keep
        the state current.
        (lex_number): Likewise.
        (_cpp_lex_direct): Pass normalize_state to subroutines.  Check
        it with warn_about_normalization.
        * makeucnid.c: New.
        * ucnid.h: Replace.
        * ucnid.pl: Remove.
        * ucnid.tab: Make appropriate for input to makeucnid.c.  Remove
        comments about obsolete version of C++.
        * include/cpplib.h (enum cpp_normalize_level): New.
        (struct cpp_options): Add warn_normalize field.

2005-03-11  Geoffrey Keating  <geoffk@apple.com>

        * directives.c (glue_header_name): Update call to cpp_spell_token.
        * internal.h (_cpp_interpret_identifier): New.
        * charset.c (_cpp_interpret_identifier): New.
        (_cpp_valid_ucn): Allow UCN version of '$'.
        * lex.c (lex_identifier): Add extra parameter to indicate if initial
        character was '$' or '\'.  Support identifiers with UCNs.
        (forms_identifier_p): Allow UCNs.
        (_cpp_lex_direct): Pass extra parameter to lex_identifier.
        (utf8_to_ucn): New.
        (cpp_spell_token): Add FORSTRING parameter.  Use it.
        (cpp_token_as_text): Update call to cpp_spell_token.
        (cpp_output_token): Write UCNs back out.
        (stringify_arg): Update call to cpp_spell_token.
        (paste_tokens): Likewise.
        (cpp_macro_definition): Likewise.
        * macro.c (stringify_arg): Likewise.
        (paste_tokens): Likewise.
        (cpp_macro_definition): Likewise.
        * include/cpplib.h: Add parameter to cpp_spell_token.

2005-03-04  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/20282
        PR bootstrap/20305
        * macro.c (replace_args, cpp_get_token): Copy whole
        cpp_token_u instead of just cpp_string field from it.

2005-02-28  Devang Patel  <dpatel@apple.com>

        * directives.c (do_line): Save sysp early before line table is
        realloc'ed.

2005-02-20  Zack Weinberg  <zack@codesourcery.com>

        PR 18785
        * charset.c (LAST_POSSIBLY_BASIC_SOURCE_CHAR): New helper macro.
        (cpp_host_to_exec_charset): New function.
        * include/cpplib.h: Declare cpp_host_to_exec_charset.

2005-02-19  Devang Patel  <dpatel@apple.com>

        * charset.c (_cpp_convert_input): Check '\r' before inserting
        '\n' at the end.

2005-02-15  Eric Christopher  <echristo@redhat.com>

        PR preprocessor/19077
        * macro.c (cpp_macro_definition): Move handling of whitespace
        to PREV_WHITE conditional. Remove overloading of len
        variable.

2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>

        * directives.c, files.c, init.c, internal.h, macro.c, pch.c,
        traditional.c: Update copyright.

2005-02-14  Paolo Bonzini  <bonzini@gnu.org>

        PR bootstrap/19818
        * configure.ac: Check for declaration of basename and getopt.
        * config.in: Regenerate.
        * configure: Regenerate.
        * internal.h (ustrcspn): New.
        * macro.c (create_iso_definition): Fix allocation of memory.
        (padding_token): Add cast to remove const-ness.
        * pch.c (cpp_read_state): Use ustrcspn.

2005-02-08  Mike Stump  <mrs@apple.com>

        * files.c (pchf_adder): Remove.
        (struct pchf_adder_info): Likewise.
        (_cpp_save_file_entries): Write out all files so that #import works.

2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>

        * configure: Regenerate.

2005-01-11  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * include/cpplib.h (c_lang): Fix comment to say cpp_create_reader.

        * include/cpplib.h: Also update copyright years.

2005-01-03  Geoffrey Keating  <geoffk@apple.com>

        * files.c (_cpp_find_file): Add files found by search_path_exhausted
        to the list of all files.

2005-01-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * internal.h: Update references to Cpp lib filenames.
        * directives.c: Likewise.
        * init.c: Likewise.
        * macro.c: Likewise.
        * traditional.c: Likewise.

2004-12-15  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR preprocessor/15167
        * files.c (destroy_cpp_file): New function.
        (should_stack_file): Make a new file if the
        compared file is still stacked.

2004-11-28  Nathanael Nerode  <neroden@gcc.gnu.org>

        PR preprocessor/17610
        * directives.c (do_include_common): Error out if an empty filename
        is given for #include (or #include_next or #import).

2004-11-27  Roger Sayle  <roger@eyesopen.com>
            Zack Weinberg  <zack@codesourcery.com>

        * internal.h: Replace all uses of uchar with unsigned char.
        * include/cpp-id-data.h: Likewise.  Guard typedef of uchar
        with !IN_GCC, so uchar is only defined whilst building libcpp.

2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>

        * aclocal.m4: Regenerate.

2004-11-24  Roger Sayle  <roger@eyesopen.com>

        PR preprocessor/15824
        * configure.ac: Correct HAVE_UCHAR test to #include <sys/types.h>
        directly, instead of the non-existant "system.h" and "ansidecl.h".
        * configure: Regenerate.

2004-11-23  Daniel Jacobowitz  <dan@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

        * internal.h (struct lexer_state): Add in_deferred_pragma.
        * directives.c (struct pragma_entry): Add allow_expansion.
        (insert_pragma_entry): Take allow_expansion flag.
        (register_pragma): Likewise.
        (cpp_register_pragma): Likewise.
        (_cpp_init_internal_pragmas): Update calls to cpp_register_pragma.
        (do_pragma): Honor allow_expansion.
        (cpp_handle_deferred_pragma): Set in_deferred_pragma.
        * include/cpplib.h (cpp_register_pragma): Update prototype.

2004-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
            Mark Mitchell  <mark@codesourcery.com>

        * configure.ac (i[34567]86-*-solaris2.1[0-9]*): Set
        need_64bit_hwint=yes.
        * configure: Regenerate.

2004-11-09  Joseph S. Myers  <joseph@codesourcery.com>

        * Makefile.in ($(PACKAGE).pot): New rule.  Depend on
        po/$(PACKAGE).pot.
        (po/$(PACKAGE).pot): Use ":" instead of "," in --keyword
        arguments.  Add keywords _, N_, SYNTAX_ERROR and SYNTAX_ERROR2.
        Remove local srcdir path from generated file.

2004-11-04  Zack Weinberg  <zack@codesourcery.com>
            Gerald Pfeifer  <gerald@pfeifer.com>

        * internal.h (HAVE_ICONV): Undefine if we do not have HAVE_ICONV_H
        as well.

2004-10-27  Zack Weinberg  <zack@codesourcery.com>

        PR 18075
        * directives.c (do_pragma): Do not defer pragmas which are unknown.
        (cpp_handle_deferred_pragma): Add cast to silence warning.

2004-10-14  Joseph S. Myers  <jsm@polyomino.org.uk>

        * errors.c (_cpp_begin_message): Print "error: " for errors.

2004-10-10  Andreas Jaeger  <aj@suse.de>

        * makedepend.c: Include mkdeps.h for prototype of deps_add_vpath.
        * Makefile.in (makedepend.o): Add dependency on mkdeps.h.

2004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>

        * pch.c (cpp_write_pch_state): Remove variable z as it is not
        used.
        (cpp_read_state): Remove unused variables, m, d and mac_count.

2004-09-29  Per Bothner  <per@bothner.com>

        * directives.c (cpp_handle_deferred_pragma):  Save, clear and restore
        cb.line_change.  Otherwise do_pragma will call the line_change
        call-back with a meaningless line number.

2004-09-24  Zack Weinberg  <zack@codesourcery.com>

        * configure.ac: Move AC_PROG_MAKE_SET, AC_PROG_INSTALL to
        programs cluster. Use ACX_PROG_CC_WARNING_OPTS,
        ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_PROG_CC_WARNINGS_ARE_ERRORS.
        * aclocal.m4, configure: Regenerate.
        * init.c: Include localedir.h.
        * Makefile.in (WARN_CFLAGS, ALL_CFLAGS): New variables.
        (DEFS): Delete.
        (.c.o): Use $(ALL_CFLAGS).
        (localedir.h, localedir.hs): New rules.
        (clean): Use rm -rf to remove directories.
        (distclean): Also delete localedir.h and localedir.hs.
        (init.o): Update dependencies.

2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (aclocal.m4): Update dependencies.
        * configure.ac (AC_CONFIG_MACRO_DIR): New.
        * aclocal.m4, configure: Regenerate.

2004-09-17  Zack Weinberg  <zack@codesourcery.com>

        * charset.c (_cpp_destroy_iconv, emit_numeric_escape)
        (_cpp_convert_input, _cpp_default_encoding): Add comments.
        Some other comments in this file also tweaked.

        * directives.c (do_pragma): Save current buffer position
        before lexing the pragma keywords; don't call
        _cpp_backup_tokens in the defer_pragmas case.

2004-09-15  Per Bothner  <per@bothner.com>

        * include/line-map.h (line_map_start):  Add parameter names so
        preceding comment makes sense.
        (linemap_add):  Remove from comment mention of non-existing parameter.

2004-09-09  Matt Austern  <austern@apple.com>
            Zack Weinberg  <zack@codesourcery.com>

        * include/cpplib.h (TTYPE_TABLE): Remove CPP_ and SPELL_
        prefixes throughout.  Add entry for PRAGMA.  Remove
        unnecessary "= 0" from EQ.
        (enum cpp_ttype): Adjust OP and TK definitions to restore
        prefixes, via token-paste.
        (CPP_LAST_EQ, CPP_FIRST_DIGRAPH, CPP_LAST_PUNCTUATOR, CPP_LAST_CPP_OP):
        Change from #defines to additional cpp_ttype enumerators.
        (struct cpp_options): Add defer_pragmas.
        (cpp_handle_deferred_pragma): Prototype new interface.

        * internal.h (struct cpp_reader): Add directive_result.
        * directives.c (struct pragma_entry): Add is_internal field;
        give boolean fields type bool.
        (start_directive): Initialize pfile->directive_result.type.
        (_cpp_do__Pragma): Likewise.
        (run_directive): Do not crash if pfile->buffer->prev is NULL.
        (insert_pragma_entry): Add 'internal' argument; set new->is_internal
        from it.
        (register_pragma): New static function, bulk of former
        cpp_register_pragma here; add 'internal' argument, pass along
        to insert_pragma_entry.
        (cpp_register_pragma): Now a wrapper around register_pragma which
        always passes false for 'internal' argument.
        (_cpp_init_internal_pragmas): Call register_pragma directly, passing
        true for 'internal'.
        (do_pragma): If CPP_OPTION (pfile, defer_pragmas) and this isn't
        an internal pragma, save text till the end of the line as a CPP_PRAGMA
        token instead of executing the pragma.
        (cpp_handle_deferred_pragma): New interface.
        * lex.c (token_spellings): Adjust OP and TK definitions to
        match changes to cpplib.h.
        (_cpp_lex_token): Check for a directive-result token and
        return it if present.
        (cpp_token_val_index): Handle CPP_PRAGMA.
        * macro.c (cpp_builtin_macro_text): Correct comment.
        (builtin_macro): Handle directive-result tokens from _cpp_do__Pragma.

2004-09-06  Serge Belyshev  <belyshev@lubercy.com>

        PR preprocessor/14699
        * symtab.c (ht_dump_statistics): Change type of sum_of_squares
        from size_t to double.

2004-08-28  Andreas Schwab  <schwab@suse.de>
            Andreas Jaeger <aj@suse.de>

        * configure.ac: Set PACKAGE correctly.
        * configure: Regenerated.

2004-08-25  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.in: Add back top_builddir.

2004-08-25  Paolo Bonzini  <bonzini@gnu.org>

        * configure.ac: Replace Automake macro invocations
        with manual Autoconf checks and substitutions.
        * configure: Regenerate.
        * aclocal.m4: Regenerate.
        * config.in: Regenerate.
        * Makefile.am: Removed.
        * Makefile.in: Heavy simplification and reorganization.

2004-08-09  Mark Mitchell  <mark@codesourcery.com>

        * configure.ac (arm*-*-eabi*): New target.
        (arm*-*-symbianelf*): Likewise.
        * configure: Regenerated.

2004-07-24  Bernardo Innocenti  <bernie@develer.com>

        * internal.h (xnew, xcnew, xnewvec, xcnewvec, xobnew): Remove.
        * directives.c: Use XNEW-family macros from libiberty.
        * lex.c: Likewise.
        * macro.c: Likewise.
        * cpplib.h (cpp_deps_style): Export enum with name.

2004-07-23  Matthias Klose  <doko@debian.org>

        * init.c (init_library): Use PACKAGE for the text domain.

2004-07-16  Andris Pavenis  <pavenis@latnet.lv>

        PR preprocessor/16366
        * internal.h (struct cpp_reader): New field dir_hash.
        * files.c (make_cpp_dir): Use dir_hash, not file_hash.
        (_cpp_init_files, _cpp_cleanup_files): Update for new field.

2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>

        PR preprocessor/16192
        PR preprocessor/15913
        PR preprocessor/15572
        * expr.c (_cpp_parse_expr): Handle remaining cases where an
        expression is missing.
        * init.c (post_options): Traditional cpp doesn't do // comments.

2004-06-30  Per Bothner  <per@bothner.com>

        * include/line-map.h (fileline):  Remove old typedef.
        * internal.h (struct cpp_reader):  Use source_location typedef instead.

2004-06-26  Zack Weinberg  <zack@codesourcery.com>

        Partially revert patch of 2004-06-05.
        * files.c (search_cache): Remove pfile argument.  Don't check
        for file that would be found by "" or <> search here...
        (_cpp_find_file): ...do it here, before calling find_file_in_dir.
        Do not apply directory-of-current-file correction to files
        found by this check.  Rearrange code slightly.

2004-06-21  Geoffrey Keating  <geoffk@apple.com>

        * files.c (should_stack_file): Correct swapped parameters to call
        to cb.read_pch.
        * pch.c (cpp_valid_state): Handle -fpreprocessed.

2004-06-15  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.in: Regenerate with automake 1.8.5.
        * aclocal.m4: Likewise.
        * configure: Regenerate.

2004-06-11  Zack Weinberg  <zack@codesourcery.com>

        * configure.ac: Don't invoke ACX_HEADER_STDBOOL.
        * configure, config.in: Regenerate.
        * system.h: Unconditionally define bool as unsigned char,
        BOOL_BITFIELD as unsigned int.
        * .cvsignore: New file.

2004-06-09  Geoffrey Keating  <geoffk@apple.com>

        * traditional.c (push_replacement_text): Set macro->traditional.
        (save_replacement_text): Likewise.
        * pch.c (cpp_write_pch_state): Don't write list of defined macros.
        (struct save_macro_item): Delete.
        (struct save_macro_data): Use a character array not the previous
        structured format.
        (save_macros): Save macro as text not as internal structures.
        (cpp_prepare_state): Update for changes to save_macro_data.
        (cpp_read_state): Don't read macros defined in PCH.  Restore
        -D macros as text.
        * macro.c (create_iso_definition): Honour alloc_subobject.
        Clear traditional flag.
        (_cpp_create_definition): Honour alloc_subobject.
        * lex.c (cpp_token_val_index): New.
        * internal.h: Include cpp-id-data.h.
        (uchar): Move definition to cpp-id-data.h.
        (U): Likewise.
        (cpp_macro): Likewise.
        * directives.c (struct answer): Move to cpp-id-data.h.
        (do_assert): Honour alloc_subobject.

        * include/symtab.h (struct ht): Add field 'alloc_subobject'.
        * include/cpplib.h (struct cpp_string): Add GTY marker.
        (enum cpp_token_fld_kind): New.
        (struct cpp_token): Add GTY markers.
        (cpp_token_val_index): Prototype.
        (CPP_HASHNODE_VALUE_IDX): New.
        (struct cpp_hashnode): Don't skip fields of 'value' when marking.
        * include/cpp-id-data.h: New file.

2004-06-09  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.am (all-local): New.
        * Makefile.in: Regenerate.

2004-06-06  Roger Sayle  <roger@eyesopen.com>

        * Makefile.am (LIBICONV): Declare.
        (makedepend_LDADD): Use LIBICONV.
        * Makefile.in: Regenerate.

2004-06-05  Andrew Pinski  <pinskia@physics.uc.edu>

        * Makefile.am (LIBINTL): Declare
        (makedepend_LDADD): Use LIBINTL.
        * Makefile.in: Regenerate.

2004-06-05  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.am: Add makedepend.
        * Makefile.in, aclocal.m4: Regenerate.
        * charset.c: Insert a space to avoid a warning.
        * directives.c: Include mkdeps.h.
        (_cpp_handle_directive): Reenable macro expander if appropriate.
        (undefine_macros): Inline body of _cpp_free_definition for speed.
        Do not call undef callback or _cpp_warn_if_unused_macro.
        (cpp_get_deps): New interface.
        * files.c (search_cache): Add pfile argument.  Check for file
        that would be found by "" or <> search here...
        (_cpp_find_file): ...not here.  Correct recorded start_dir of
        files found by directory-of-current-file search that would be
        found by "" or <> search.
        * init.c (cpp_add_dependency_target): Delete.
        * internal.h (struct lexer_state): Add discarding_output flag.
        * lex.c (lex_identifier): Compute hash function while scanning.
        * macro.c (cpp_scan_nooutput): Disable macro expansion outside
        directives.
        * makedepend.c: New file.
        * mkdeps.c (struct deps): Add vpath vector.
        (apply_vpath, deps_add_vpath): New function.
        (deps_free): Free vpath vector.
        (deps_add_dep, deps_add_target): Use apply_vpath.
        * symtab.c (calc_hash): Use HT_HASHSTEP and HT_FINISH.
        (ht_lookup_with_hash): New function.
        * cpplib.h, mkdeps.h: Update prototypes.
        * symtab.h: Update prototypes.
        (HT_HASHSTEP, HT_FINISH): New macros.

2004-05-29  Geoffrey Keating  <geoffk@apple.com>

        * symtab.c (ht_create): Set entries_owned.
        (ht_destroy): Honour entries_owned.
        (ht_expand): Likewise.
        (ht_load): New.
        * include/symtab.h (struct ht): New field 'entries_owned'
        (ht_load): New prototype.

2004-05-26  Paolo Bonzini  <bonzini@gnu.org>

        PR bootstrap/15651
        * configure.ac: Fix m4 quoting when picking
        the size of HOST_WIDE_INT.
        * configure: Regenerate.

2004-05-25  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.am: the correct directory for
        gettext include files is given by @INCINTL@.
        * Makefile.in: Regenerate.

2004-05-24  Paolo Bonzini  <bonzini@gnu.org>

        * system.h [!ENABLE_NLS]: dgettext takes two
        parameters.

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

        Moved libcpp from the gcc subdirectory to the toplevel.
        * Makefile.am: New file.
        * Makefile.in: Regenerate.
        * configure.ac: New file.
        * configure: Regenerate.
        * config.in: Regenerate.
        * charset.c: Moved from gcc/cppcharset.c.  Add note about
        brokenness of input charset detection.  Adjust for change
        in name of cppucnid.h.
        * errors.c: Moved from gcc/cpperror.c.  Do not include intl.h.
        * expr.c: Moved from gcc/cppexp.c.
        * files.c: Moved from gcc/cppfiles.c.  Do not include intl.h.
        Remove #define of O_BINARY, it is in system.h.
        * identifiers.c: Moved from gcc/cpphash.c.
        * internal.h: Moved from gcc/cpphash.h.  Change header
        guard name.  All other files adjusted to match name change.
        * init.c: Moved from gcc/cppinit.c.
        (init_library) [ENABLE_NLS]: Call bindtextdomain.
        * lex.c: Moved from gcc/cpplex.c.
        * directives.c: Moved from gcc/cpplib.c.
        * macro.c: Moved from gcc/cppmacro.c.
        * pch.c: Moved from gcc/cpppch.c.  Do not include intl.h.
        * traditional.c: Moved from gcc/cpptrad.c.
        * ucnid.h: Moved from gcc/cppucnid.h.  Change header
        guard name.
        * ucnid.pl: Moved from gcc/cppucnid.pl.
        * ucnid.tab: Moved from gcc/cppucnid.tab.  Change header
        guard name.
        * symtab.c: Moved from gcc/hashtable.c.
        * line-map.c: Moved from gcc.  Do not include intl.h.
        * mkdeps.c: Moved from gcc.
        * system.h: New file.
        * include/cpplib.h: Moved from gcc.  Change header guard name.
        * include/line-map.h: Moved from gcc.  Change header guard name.
        * include/mkdeps.h: Moved from gcc.  Change header guard name.
        * include/symtab.h: Moved from gcc/hashtable.h.  Change header
        guard name.