* cppfiles.c: Move all default-#defines to top of file.
(open_include_file): Replace by lookup_include_file.
(read_with_read, read_file): Merged into read_include_file.
(stack_include_file, purge_cache): New functions.
(close_cached_fd): Delete.
(lookup_include_file, read_include_file, _cpp_pop_file_buffer):
Cache the in-memory buffer, not the file descriptor.
* cpphash.h (struct include_file): Add buffer, st, refcnt,
mapped fields.
(xcnew): New utility macro.
(DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
* cpplib.h (struct cpp_buffer): Remove mapped field.
* cpplex.c (parse_string): Accept backslash space newline as a
line continuation.
(lex_line): Likewise.
(_cpp_get_token): Remove hard limit on macro nesting.
testsuite:
* gcc.dg/cpp/backslash.c: New test.
From-SVN: r36347
* cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
use posn - 1 to index into tokens array.
(maybe_paste_with_next): Adjust caller.
* gcc.dg/cpp/paste8.c: New test.
From-SVN: r36128
* cpperror.c (print_file_and_line): If line is (unsigned int)-1,
print just the filename.
* cpplex.c (_cpp_run_directive): Add additional argument, the
name to give the synthetic buffer. This defaults to
translated "<command line>".
* cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
Adjust to match.
(_cpp_define_builtin): New function.
* cppinit.c (initialize_builtins): Use _cpp_define_builtin.
* cpphash.h: Update prototypes.
* tradcpp.c (main): Process -D and -U simultaneously, in the
order they appeared on the command line.
From-SVN: r36043
* cpphash.h (IN_I): New flag for directive table.
* cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
#pragma with IN_I.
(_cpp_check_directive): If -fpreprocessed, execute directives
marked with IN_I. Issue no warnings in this case.
* cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
From-SVN: r35918
2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
* cppinit.c (cpp_init): Set global flag when called.
(cpp_reader_init): Bomb out if cpp_init hasn't been called.
Sun Aug 20 01:41:35 MSD 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
* cpplex.c (cpp_scan_buffer): Move `output_line_command' just
before `process_directive' so that newlines won't be missed
for directives.
(cpp_printf): Increment `print->lineno' when newline is emitted.
* cppmain.c (cb_ident): Likewise.
(cb_define): Likewise.
(cb_undef): Likewise.
(cb_include): Likewise.
(cb_def_pragma): Likewise.
(dump_macros_helper): Likewise.
* gcc.dg/cpp/pragma-1.c: New test.
* gcc.dg/cpp/pragma-2.c: New test.
From-SVN: r35825
* configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
instead of extra_c_flags.
(--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
* configure: Regenerate.
* config.in: Regenerate.
* cpperror.c (cpp_type2name): New function.
* cpplex.c (lex_line): If we issued an error for an invalid
preprocessing directive, discard that logical line.
* cpplib.c (do_line): Call a hook function if the current file
is renamed by #line.
(do_ident): Pass the contents of the string, not the entire
token, to the callback function.
* cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
(cb.rename_file): New hook function.
(cb.ident): Adjust prototype.
(cpp_type2name): Prototype.
* cppmacro.c (dump_macro_args): Correct precedence lossage.
* cppmain.c (cb_ident): Update for changed interface.
(cb_rename_file): New function.
(main): Set rename callback.
From-SVN: r35593
* cpplex.c (parse_name): Might have to glue a CPP_OTHER token
before the name.
(lex_line): Glue @ onto the beginning of identifiers and
string constants, in Objective-C mode.
(output_token, spell_token): Handle CPP_OSTRING.
(can_paste, maybe_paste_with_next): Handle pasting @ onto the
beginning of a NAME or a STRING, in objc mode.
* cpplib.c (get_define_node): Do not permit identifiers that
begin with @ to be #defined.
* cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
* cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
* c-lang.c, objc/objc-act.c (build_objc_string): Delete.
* c-tree.h (build_objc_string): Delete prototype.
* objc/objc-tree.def: Delete OBJC_STRING_CST.
* c-lex.c (yylex): Use build_string for all three kinds of strings.
* gcc.dg/cpp/20000625-2.c: Don't expect a warning on line 4.
From-SVN: r35470
* cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
cppspec.c: Do not use 'legal' or 'illegal' in error messages
and comments.
* cppmain.c (cb_define, cb_undef): Don't generate any output
if not done_initializing.
* cpplex.c (maybe_paste_with_next): When the token after a ##
is an omitted rest argument, only delete the token before it
if that token is a comma. Do not warn about bogus token
pastes for , ## rest_arg.
* cpp.texi: Update.
* cpp.1: Regenerate.
* gcc.dg/cpp/macsyntx.c: Fix error regexp.
From-SVN: r35421
2000-07-31 Jakub Jelinek <jakub@redhat.com>
* cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
(_cpp_get_token): Don't macro expand a just pasted token if it
was pasted at no_expand_level.
* testsuite/gcc.dg/cpp/paste7.c: New test.
2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
* cppmacro.c (find_param, count_params, save_expansion):
Permit 'defined' as a macro parameter name.
From-SVN: r35394
* cppmacro.c (CAN_PASTE_AFTER): New macro.
(count_params): Don't set GNU_REST_ARGS on anything.
(save_expansion): Set PASTE_LEFT only on tokens for which
CAN_PASTE_AFTER is true, or which are named operators.
* cpplex.c (parse_args): Distinguish between a rest argument
given one empty argument, and a rest argument given zero arguments.
(maybe_paste_with_next): Look for VOID_REST tag, and trigger
deletion of previous token based on that.
(get_raw_token): Flatten some control structure.
* cpplib.h (CPP_LAST_EQ): Correct.
(VOID_REST): New token flag.
(GNU_REST_ARGS): Delete.
* gcc.dg/cpp/20000625-2.c, gcc.dg/cpp/macsyntx.c: Update error
regexps.
* gcc.dg/cpp/paste6.c: New test.
From-SVN: r35146
* cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
of operators allowed in #if and having an _EQ variant. Add
CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
(cpp_token flags): Add NAMED_OP.
(enum node_type): Add T_OPERATOR.
(struct cpp_hashnode): Add code slot to value union.
* cpphash.h (spec_nodes): Remove n_defined.
* cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
(spell_token, can_paste, maybe_paste_with_next): Handle named operators.
(is_macro_disabled): Tweak error messages.
* cpplib.c (get_define_node): Disallow all named operators as
macro names. Tweak error messages.
(_cpp_init_stacks): Don't set up spec_nodes->n_defined.
* cppinit.c (builtin_array): Add entries for the named operators.
* cppexp.c (lex): Check for CPP_DEFINED token.
(priority table): Add entries for CPP_MIN and CPP_MAX.
(_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
testsuite:
* gcc.dg/cpp/directiv.c, gcc.dg/cpp/macsyntx.c,
gcc.dg/cpp/undef1.c: Tweak error regexps.
From-SVN: r35137
* cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
macros, not five.
* cpphash.h (TOKEN_NAME): New macro.
(_cpp_spell_operator): Deleted.
(token_spellings): Now _cpp_token_spellings.
* cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
* cpplex.c: Use OP and TK macros when expanding the
TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
store the stringification of the enumeration name (CPP_CHAR,
etc.) in the name slot of token_spellings.
Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
token_spellings directly.
* cpplib.c: Use TOKEN_SPELL.
* cpplex.c (_cpp_push_token): If the token being pushed back
is the previous token in this context, just subtract one from
context->posn.
* cppmacro.c (save_expansion): Clear aux field when storing a
placemarker.
* gcc.dg/cpp/paste5.c: New test.
* gcc.dg/cpp/vararg1.c: New test.
From-SVN: r35124
2000-02-17 Zack Weinberg <zack@wolery.cumb.org>
* cpphash.c: Don't include hashtab.h. Most macro-handling code
moved to cppmacro.c.
(hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
dump_hash_helper): Delete.
(expand_hash, higher_prime_number, _cpp_lookup_with_hash,
cpp_forall_identifiers): New. Implement specialized version of
Vlad's expandable hash table.
(cpp_lookup): Use new functions.
(_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
implementation.
* cppmacro.c: New file.
* cppinit.c (dump_macros_helper): New.
(cpp_finish): Iterate over the identifier table directly.
* cpplex.c (parse_name): Calculate the hash of the identifier
while we scan it. Use _cpp_lookup_with_hash when we can.
* cpphash.h: Update prototypes.
(xcnewvec, HASHSTEP): New helper macros.
* cpplib.h: Update prototypes.
* Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
(cppmacro.o): New rule.
(cpphash.o): Update deps.
* cppmain.c: Do not set pfile->printer if no_output is on.
2000-02-15 Neil Booth <neilb@earthling.net>
* cpplib.c: Change all directive-handler functions to return
void, not int.
* cpphash.h: Update typedefs.
From-SVN: r35113
* cpphash.c (save_expansion): Clear PREV_WHITE on tokens
immediately following a paste operator.
* cppinit.c (sort_options): New function (only for HOST_EBCDIC).
(cpp_reader_init): Call it, if HOST_EBCDIC.
(cpp_handle_options): Do not sort option list here.
(handle_option): Rename to cpp_handle_option and export.
* cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
_cpp_get_token directly.
(cpp_scan_line): Return 0 at EOF, 1 otherwise.
* cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
* cpplib.h: Prototype cpp_handle_option. Update prototype of
cpp_scan_line.
From-SVN: r35052
* cpplex.c (adjust_column): New funcion.
(skip_whitespace): Use it.
(skip_block_comment): Use it, and warn about /*/* with
-Wcomments.
From-SVN: r35026
* cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
cpplib.c, cpplib.h: Eradicate all traces of code dependent on
traditional, lang_chill, or lang_fortran.
* cppfiles.c: #undef strcmp to suppress warning about macros
used without arguments.
(_cpp_execute_include): Use f, not fname, in "No include path"
error.
(_cpp_pop_file_buffer): New function.
* cpplib.c: Don't include <sys/mman.h>.
(cpp_push_buffer): Set line_base and lineno in new buffer.
(cpp_pop_buffer): Use _cpp_pop_file_buffer.
* cpplex.c: Move all prototypes and structure declarations to the
top of the file. Properly parenthesise some macro arguments.
(cpp_scan_line): New function.
(special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
don't need to walk up the stack counting.
From-SVN: r35003
* cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
* cpplex.c (TOKEN_SPELL) Move to cpphash.h.
* cpphash.c: (struct macro_info, alloc_macro, free_macro,
struct toklist_dummy): New.
(cpp_free_definition): Free macros with free_macro.
(count_params): Don't save paramter spellings. Save macro
information in a struct macro_info.
(parse_define): Don't allocate a token list.
(save_expansion): Allocate the macro's token list, and
save parameter spellings if necessary. Use TOKEN_SPELL.
(cpp_create_definition): Make list const.
From-SVN: r34985
2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
* cpplex.c (parse_name): No longer inline (premature optimization).
(do_pop_context): Fold into pop_context.
(pop_context): Returns int.
(lex_next): Hoist test for end of directive into pop_context.
(push_macro_context): Returns int; takes just reader and token.
Hoist test for excessive nesting to caller.
(push_arg_context): Returns void; takes just reader and token.
Do not call stringify_arg or get_raw_token.
(get_raw_token): Convert tail recursion through push_arg_context
to a loop at this level. Call stringify_arg here if appropriate.
(maybe_paste_with_next): Convert tail recursion to a while loop.
Hoist test of paste_level to caller.
(stringify_arg): Push arg context at beginning.
(cpp_get_token): Split out core into _cpp_get_token. Call
process_directive here. Throw away CPP_PLACEMARKER tokens.
(_cpp_get_token): Convert tail recursion through
push_macro_context to a loop at this level.
(_cpp_glue_header_name, is_macro_disabled, stringify_arg,
_cpp_get_raw_token): Use _cpp_get_token.
(_cpp_skip_rest_of_line): Drop the context stack directly; do
not call pop_context.
(_cpp_run_directive): Call lex_next directly.
* cpphash.h: Prototype _cpp_get_token.
* cppexp.c (lex): Use it.
* cpphash.c (parse_define): Use it.
* cpplib.c (get_define_node, do_undef, parse_include,
read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
parse_ifdef, validate_else): Use it.
(cpp_push_buffer): Tweak error message; abort if anyone tries
to push a buffer while macro expansions are stacked.
2000-07-11 Donn Terry <donnte@microsoft.com>
* cpplex.c (free_macro_args, save_token): Cast arg of free
and/or xrealloc to PTR.
(_cpp_init_input_buffer): Clear all fields of the base context.
From-SVN: r34972
* cppinit.c: (cpp_reader_init): Allow digraphs by default.
(handle_option): Set digraphs according to standard.
Merge OPT_lang_c89 handler with OPT_std_c89.
* cpplex.c: (lex_line, can_paste): Honour digraphs in
accordance with the digraphs flag.
* cpplib.h: (struct cpp_options): New option digraphs.
From-SVN: r34956
* cpphash.h: ISvspace, is_vspace, is_nvspace: New.
IShspace, ISspace: Update.
* cppinit.c: ISTABLE: Update.
V: New.
* cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
(IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
(skip_block_comment, skip_line_comment, parse_string,
lex_line): Use is_vspace rather than IS_NEWLINE.
(skip_whitespace, lex_line): Clean up to use is_nvspace.
(lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
gets a BOL flag.
(lex_next): Unconditionally stop if within a directive.
Treat directives within macro invocations as directives
(after parse_args emits error), not as the argument.
* testsuite/gcc.dg/cpp/directiv.c: New tests.
* testsuite/gcc.dg/cpp/undef1.c: Update.
From-SVN: r34933
* cpplib.h (struct cpp_name): Now struct cpp_string.
(CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
CPP_HEADER_NAME): Change to type S.
(struct cpp_token): Rename 'name' field to 'str'. Add 'node'
field, a cpp_hashnode *. All references to val.name updated
to use val.str or val.node as appropriate.
(struct cpp_reader): Add spec_nodes field.
(cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
* cpphash.h (struct spec_nodes): New.
(enum spell_type): Reorder. Only SPELL_STRING tokens use
val.str. All references to 'spelling > SPELL_NONE' updated to
match.
(CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
pfile->buffer->inc are not NULL before dereferencing them.
* cpplex.c (parse_name): Take a pointer to the current token,
plus current position and limit as args; return the new
position; don't copy the text of a name into the string
buffer, instead call cpp_lookup and store the node pointer.
If extending a token, copy out the text of the old into a
scratch buffer, append the new, look that up and store the new
node pointer. Inline.
(maybe_paste_with_next): If the result of paste is a NAME,
then look up the pasted text and store its node pointer.
(lex_line): Adjust for new parse_name interface.
Check for L"str", L'str' using spec_nodes->n_L.
(spell_token): SPELL_IDENT tokens have their spelling in
val.node->name. Handle SPELL_STRING tokens that don't have
string delimiters.
(_cpp_expand_name_space,
(can_paste): Check for L ## "str" using spec_nodes->n_L.
(cpp_get_token, special_symbol): No need to call cpp_lookup.
(cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
return 1=equal 0=not, not a tristate.
* cpphash.c (var_args_str): Delete.
(find_param): Compare node fields directly.
(is__va_args__): Use CPP_PEDANTIC. Just compare
token->val.node with spec_nodes->n__VA_ARGS__.
(dump_funlike_macro): Don't use var_args_str.
* cpplib.c (_cpp_check_directive): Just walk through
spec_nodes->dirs comparing pointers.
(get_define_node, do_pragma_poison, detect_if_not_defined,
parse_ifdef): The identifier has already been looked up.
(do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
node.
(do_if): Only call detect_if_not_defined at beginning of file.
(_cpp_parse_assertion): Only copy string pointers for
SPELL_STRING tokens.
(pragma_dispatch): Take a node pointer and examine its name
field.
(_cpp_init_stacks): Also initialize the spec_nodes structure.
* cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
_cpp_init_macros.
(cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
reverse order from the corresponding _cpp_init_* routines.
* cppexp.c (parse_number, parse_charconst, parse_defined,
lex): Check val.node->type instead of calling cpp_defined.
Use spec_nodes entries where appropriate.
* fix-header.c, scan-decls.c: Update for interface changes.
From-SVN: r34926
* cpphash.c (is__va_args__): New function.
(count_params): Fix line reported in error messages. Use
is__va_args__. Don't return ')' on error. Flag GNU style
rest args macro definitions.
(parse_define): Check macro name is not __VA_ARGS__.
(save_expansion): Check identifier in non-varargs-macro is
not __VA_ARGS__. Don't flag GNU_VARARGS.
* cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
(maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
than per-token GNU_VARARGS.
* cpplib.h (GNU_VARARGS): Remove.
(GNU_REST_ARGS): New.
* gcc.dg/cpp/macsyntx.c: New tests.
From-SVN: r34919
* system.h (UNION_INIT_ZERO): New macro for initializing union
members in structs.
* cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
From-SVN: r34904
toplevel:
* cpplex.c: Don't include sys/mman.h.
(cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
* cpplib.c: Include sys/mman.h and obstack.h.
(cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
obstack.
(cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
(_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
bother freeing if stack entries (they will be freed with their buffer).
(do_endif): Free if stack entries from the buffer obstack.
(push_conditional): Allocate if stack entries from the buffer obstack.
(find_answer): Rename to _cpp_find_answer.
(do_assert, do_unassert): Update.
* cpphash.h: Update prototypes.
(xobnew): New convenience macro.
* cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
Update comments.
(struct cpp_hashnode): Remove disabled field.
* cppinit.c: Don't include hashtab.h or splay-tree.h.
(report_missing_guard): Moved to cppfiles.c.
(cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
cpp_init_includes.
(cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
cpp_cleanup_includes. Don't destroy hashtab or
all_include_files here.
(cpp_finish): Use _cpp_report_missing_guards.
* cppfiles.c (report_missing_guard): Moved from cppinit.c.
(_cpp_init_include_table): Rename _cpp_init_includes.
(_cpp_cleanup_includes, _cpp_report_missing_guards): New.
* cppexp.c (parse_assertion): Update for new name of
find_answer.
* Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
* cpplib.c (do_ident): s/VSPACE/EOF/
testsuite:
* gcc.dg/cpp/ident.c: New test.
From-SVN: r34870
* cpplib.h (struct cpp_reader): New field include_depth.
(struct cpp_printer): Rename last_bsd to last_id.
* cppfiles.c (read_include_file): Bump include_depth.
* cpplex.c (cpp_pop_buffer): Decrement include_depth.
(output_line_command): Output correct #line if a header
is including itself and is not protected against multiple inclusion.
Use include_depth instead of buffer_stack_depth, last_id instead of
last_bsd.
* cppinit.c (cpp_start_read): Initialize last_id instead of
last_bsd.
From-SVN: r34831
* cpplex.c (output_line_command): Output correct #line if a header
is including itself and is not protected against multiple inclusion.
From-SVN: r34761
* cppfiles.c: Include splay-tree.h, not hashtab.h.
(redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
(destroy_include_file_node): New.
(_cpp_init_include_hash): Rename _cpp_init_include_table.
Create a splay tree, not a hash table.
(open_include_file): Look up the path in the include table,
do the multiple include optimization here, etc.
(cpp_included): Walk the path.
(find_include_file): Just walk the path calling
open_include_file, or call it directly for an absolute path.
(_cpp_fake_ihash): Rename _cpp_fake_include and update for new
scheme.
(read_include_file): Update for new scheme. Don't close the
file unless reading fails.
(_cpp_execute_include, cpp_read_file): Tweak for new scheme.
* cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
(struct include_file): New.
(NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
macros.
(CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
Update prototypes.
* cppinit.c: Include splay-tree.h.
(cpp_reader_init, cpp_cleanup): Update.
* cpplib.h (struct cpp_buffer): Change ihash field to
'struct include_file *inc'. Remove system_header_p.
(struct cpp_reader): Change all_include_files to a
struct splay_tree_s *.
* cpplex.c: Update all references to cpp_buffer->ihash and/or
cpp_buffer->system_header_p.
(cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
From-SVN: r34636
* cpplex.c (parse_name): Don't warn about $ in identifiers if
skipping.
* Makefile.in: Remove all references to HOST_INTLLIBS.
* cp/method.c: Don't include hard-reg-set.h.
From-SVN: r34621
* cpplib.h (cpp_reader): Remove if_stack. Change
potential_control_macro to a cpp_hashnode *. Add skipping flag.
* cpphash.h (struct ihash): Change control_macro to a
cpp_hashnode * and shorten name to cmacro.
Add NEVER_REINCLUDE constant.
* cppfiles.c (redundant_include_p): Drop cpp_reader argument.
Examine the cmacro node directly, no need to call cpp_defined.
(_cpp_execute_include, read_include_file): Set cmacro to
NEVER_REINCLUDE, not U"".
* cpplex.c (cpp_push_buffer): Don't set new->if_stack.
(cpp_get_token): If pfile->skipping is true, discard text and
keep scanning until we hit a directive; don't expand macros.
* cpplib.c (struct if_stack): Remove if_succeeded, add
was_skipping. Change control_macro to a cpp_hashnode * and
shorten name to cmacro. Remove typedef IF_STACK.
(parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
(conditional_skip, skip_if_group,
consider_directive_while_skipping): Delete.
(push_conditional): New.
(_cpp_handle_directive): Don't process directives other than
conditionals if we are skipping.
(do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
Update to new scheme.
(validate_else): Skip rest of line here, unconditionally.
(_cpp_unwind_if_stack): The stack is per-buffer. Force
pfile->skipping off.
(all): Remove `scare quotes' from error messages.
* gcc.dg/cpp-mi.c: Add another case, cpp-mix.h, where the
guard macro is already defined when the header is first
included.
* gcc.dg/cpp-mix.h: New file.
* gcc.dg/endif-label.c: Update patterns to match compiler.
* g++.brendan/complex1.C: Declare abort.
* g++.law/refs4.C: Remove XFAIL.
* g++.oliva/expr2.C: Declare abort and exit.
From-SVN: r34253
* cppfiles.c: Read files in, using mmap if possible, then
prescan them separately.
(read_file, read_with_read): New functions.
* cpplex.c: Don't define UCHAR_MAX.
(_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
the file here.
* cppinit.c (handle_option): Automatically define __cplusplus,
__OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
the respective -lang switch.
* cpphash.h (enum node_type, struct hashnode, _cpp_lookup
prototype): Move to...
* cpplib.h: ... here. Rename struct hashnode to struct
cpp_hashnode and give it a typedef. Rename _cpp_lookup to
cpp_lookup. Add 'fe_value' slot, a union tree_node *.
From-SVN: r34228
* cpplex.c (_cpp_lex_line): Merge vertical space. Flag
first token of a line BOL. Update EOF code for this.
Remove illegal directive check - it appears in the (not
yet committed) caller.
* cpplib.h (BOL): New flag.
From-SVN: r34216
* cpplex.c (_cpp_init_toklist): No comment space to initialise.
(_cpp_free_toklist): No comment space to free.
(expand_comment_space): Remove.
(save_comment_space): Place the comment in the current token and
not in a separate comment space.
(_cpp_lex_line): Save comments during plain code and #define
directives only.
* cpplib.h (struct _cpp_toklist): Remove comment space.
From-SVN: r34215
* cppexp.c (parse_assertion): New.
(lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
(_cpp_parse_expr): Remove case '#'. Don't set
parsing_if_directive.
* cpphash.c (collect_objlike_expansion,
collect_funlike_expansion, collect_params,
_cpp_create_definition): The list no longer has a trailing
VSPACE token.
* cpphash.h (enum node_type): Add T_ASSERTION.
(struct hashnode): Remove aschain, add pred.
(struct predicate): New.
Update prototypes.
* cpplex.c (expand_token_space): Handle both offset and
nonoffset lists.
(init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
(_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
_cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
_cpp_equiv_toklists): New.
(_cpp_scan_line): Rename to _cpp_scan_until; add ability to
stop at any single-character token, not just newline.
(_cpp_lex_token): Remove special cases for #define and #if.
(cpp_get_token): Expect # as a separate token type. Remove
DIRECTIVE case.
(_cpp_get_directive_token): Remove DIRECTIVE case.
(_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
* cpplib.c (_cpp_check_directive): Set dirno and
SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
(_cpp_handle_directive): Run # <number> through the same logic
as normal directives.
(do_define): Don't set parsing_define_directive. Use
_cpp_scan_until. The list does not have a VSPACE at the end.
(do_if): Save, clear, and restore only_seen_white around
_cpp_parse_expr.
(skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
(do_assert, do_unassert): Rewrite.
* cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
(LIST_OFFSET): New flag.
(struct cpp_toklist): Replace dir_handler and dir_flags with
dirno and flags.
(struct cpp_reader): Remove parsing_if_directive and
parsing_define_directive.
From-SVN: r33984
* cpphash.c (trad_stringify, warn_trad_stringify,
collect_params): Make some pointers pointers to const.
* cpplex.c (auto_expand_name_space) Guaranteed to always
expand by at least one character.
(SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
(struct token_spelling): Use const U_CHAR * rather than PTR.
(expand_name_space): Fix up token pointers if name space
is moved when expanding.
(INIT_NAME, cpp_scan_line, parse_name, parse_number,
parse_string2, save_comment, spell_token, cpp_output_list):
Update so the routines handle tokens with a direct pointer to
their text, rather than an offset into the token's list's namebuf.
(_cpp_lex_line): Rearrange for clarity.
* cpplib.c (_cpp_check_directive): Similarly.
(do_define): Make SYM a pointer to const.
* cpplib.h (struct cpp_name): Replace offset with direct pointer.
(CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
(TOK_OFFSET): Delete.
(TOK_NAME): Update.
From-SVN: r33901
* cpplex.c: Move new lexer definitions and prototypes
to top. Conditional include these and the code if
NEW_LEXER is defined. Rename functions whose names
clash if this code included.
From-SVN: r33758
* cpphash.h: #define __extension__ away if GCC_VERSION < 2095
(overly conservative). Change extern inline wrappers to
static inline, define them always, use PARAMS properly.
* cpplex.c (_cpp_get_directive_token): Don't issue pedantic
whitespace warnings for \f and \v at the beginning of a line.
From-SVN: r33674
gcc:
* cpphash.h (U): New define, to correct type of string constants.
(ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
routines, to do casts when passing unsigned strings to libc.
* cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
* cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
* cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
* cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
* cpplex.c (parse_ifdef, parse_include, validate_else): Make
second argument an U_CHAR *.
* cppinit.c (builtin_array): Make name and value U_CHAR *, add
length field, clean up initializer.
(ISTABLE): Add __extension__ to designated-
initializers version.
* cpplex.c (CHARTAB): Likewise.
* mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
case so the file won't be empty.
include:
* symcat.h: Remove #endif label.
From-SVN: r33657
* cpplib.h (CPP_POP, parse_cleanup_t): Delete.
(cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
* cppfiles.c (file_cleanup): Delete.
* cpphash.c (macro_cleanup): Delete.
(collect_objlike_expansion, collect_funlike_expansion,
macarg, scan_arguments): Remove CPP_POP case.
* cpplex.c (null_cleanup): Delete.
(cpp_pop_buffer): Do the work that was done in the cleanups
here. Call _cpp_unwind_if_stack from here.
(_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
cpp_scan_buffer): Run until we see CPP_EOF and the top of
stack is the buffer _below_ the one we stacked.
(cpp_get_token): Always pop an exhausted buffer. Return
CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
* cpplib.c (skip_if_group): Don't call cpp_get_token to
increment the line number.
(_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
* fix-header.c (read_scan_file) [parsing getchar()]: Run until
we see CPP_EOF and the top of stack is the buffer _below_ the
one we stacked.
* scan-decls.c: Likewise.
From-SVN: r33611
* cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
static. Allocate the hashnode and its string in the same
block of memory.
(del_HASHNODE): Don't free h->name.
(_cpp_lookup): If there is no entry for this string, create
one, of type T_VOID.
(_cpp_lookup_slot): Delete.
* cpphash.h: Update prototypes.
* cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
not hp == NULL.
* cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
node here, just fill in the value field properly. "Delete"
entries by setting the value field to T_VOID. Check for
hp->type == T_VOID, not hp == NULL.
* Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
* cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
hashtab.h.
From-SVN: r33581
* cpplex.c (cpp_idcmp): New function.
* cpplib.h: Prototype it.
* scan_decls.c (scan_decls): Use it to inspect token names.
* fix-header.c (read_scan_file): Likewise. Set system_header_p on
the file being run through the preprocessor.
(check_macro_names): Provide length of token to cpp_defined.
* Makefile.in: Remove stale warning message.
From-SVN: r33552
2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
* cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
commentary.
2000-04-25 Neil Booth <NeilB@earthling.net>
Restore previous patch, plus the following fixes:
* cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
flags, not CPP_OPEN_PAREN.
* cpplex.c (expand_token_space, init_token_list,
cpp_free_token_list): Put the dummy token at list->tokens[-1].
(_cpp_lex_line, _cpp_lex_file): token list is 0-based.
From-SVN: r33419
* cpphash.h (struct definition): Move file, line, col members...
(struct hashnode): ... here. Also add 'disabled' flag.
(enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
T_IDENTITY. Remove T_DISABLED.
Update prototypes.
* cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
(collect_expansion): Split into collect_objlike_expansion and
collect_funlike_expansion.
(_cpp_macroexpand): Split out scan_arguments, stringify, and
funlike_macroexpand.
(_cpp_compare_defs): Rename compare_defs, make static.
(_cpp_make_hashnode): Initialize hp->disabled.
(macro_cleanup): Adjust for new token types. Clear
m->disabled.
(_cpp_create_definition): Move code here to determine what
sort of macro it is, and code to check for redefinitions, from
do_define. Implement a few simple cases without creating a
full DEFINITION.
(_cpp_macroexpand, special_symbol, _cpp_dump_definition):
Handle the simple cases.
(push_macro_expansion): Set buf->has_escapes and hp->disabled
here.
* cppinit.c (builtin_array): Change MCONST to XCONST
everywhere.
* cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
fix check for disabled and function-like macros.
* cpplib.c (do_define): Move most logic to
_cpp_create_definition.
(do_undef): Handle new special token types.
From-SVN: r33355
* cpphash.c (trad_stringify, add_pat): New functions.
(collect_expansion): Restore support for -traditional syntax.
Use trad_stringify and add_pat.
(_cpp_macroexpand): Restore support for -traditional semantics.
* cpplex.c (_cpp_scan_line): Don't change space_before if we
get a COMMENT token.
(_cpp_lex_token): Provide COMMENT tokens to caller if
traditional and parsing_define_directive.
(skip_comment): Warn about // comments if -Wtraditional.
* cpplib.c (do_define): Fix typo. Create EMPTY nodes with
proper node type.
(do_undef): Don't warn about undefining EMPTY nodes.
From-SVN: r33350
* cpphash.c (struct arg, struct arglist): Const-ify strings.
(warn_trad_stringify, duplicate_arg_p): New helper functions.
(collect_expansion): Rewrite to scan over a token list.
Remove -traditional support.
(collect_formal_parameters): Rename to collect_params; rewrite
to scan over a token list.
(_cpp_create_definition): Adjust to scan a token list.
(_cpp_macroexpand): Remove -traditional support.
(_cpp_compare_defs): Whitespace is now canonicalized.
(comp_def_part): Delete function.
* cpphash.h: Update prototypes.
* cpplex.c (init_token_list): Don't set lineno if there is no
buffer.
(pedantic_whitespace): New function.
(_cpp_scan_line): Mark tokens that had hspace before. Don't
consume a newline. Use pedantic_whitespace.
(_cpp_lex_token): Remove support for -traditional macros.
(_cpp_get_define_token): Delete.
(_cpp_get_directive_token): Do the real work here. Use
pedantic_whitespace.
(_cpp_init_input_buffer): Initialize pfile->directbuf.
* cpplib.c (get_macro_name): Delete.
(do_define): Read the entire line into pfile->directbuf, then
feed the token list to _cpp_create_definition.
* cpplib.h (HSPACE_BEFORE): new define.
(struct cpp_reader): Add a toklist member, "directbuf".
From-SVN: r33309
* cpplib.h (enum cpp_ttype): Add token types for all
punctuators. Distinguish pp-numbers from valid C numbers.
Give some tokens better names. Initialize from macro.
(struct cpp_name, cpp_token, cpp_toklist): New data
structures.
Update prototypes.
* cpplex.c (bump_column, expand_name_space,
expand_token_space, init_token_list, cpp_output_list,
_cpp_scan_line): New functions.
(output_line_command): Add third argument, new line number.
* cpphash.h: Update prototypes.
* cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
token names.
From-SVN: r33289
* cpplex.c (output_line_command): Remove debugging prints.
(cpp_output_tokens): Don't write out a zero-length buffer or
try to see if it has a newline in it.
(_cpp_expand_to_buffer): Copy the source buffer before pushing.
(_cpp_read_and_prescan): Move shift-down of pushback bytes to
the end of the loop. Use memmove. Don't read past the end of
the buffer. Remove trailing newlines from error messages.
From-SVN: r33180
* cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
interfaces.
(safe_fwrite, output_line_command): New static functions.
(cpp_expand_to_buffer): Now private to cpplib.
(cpp_scan_buffer): Take a printer.
* cpphash.h: Update prototypes.
* cpplib.h: Update prototypes.
(cpp_printer): New.
(cpp_buffer): Remove last_nominal_fname.
(cpp_reader): Remove lineno.
* cppmain.c: Use a cpp_printer.
* fix-header.c: No need to inhibit line commands. Call
cpp_start_read with no printer.
* cpperror.c (cpp_notice_from_errno): Provide default name.
* cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
(find_include_file, cpp_read_file): Use make_IHASH.
(file_cleanup): Set control_macro and clear
input_stack_listing_current here.
(_cpp_execute_include): Don't output entering-file marker.
* cpphash.c (special_symbol): Look for the line number in the
buffer, not the reader.
(_cpp_macroexpand): No need to disable line commands.
(_cpp_dump_definition): No need to generate line commands.
(dump_hash_helper): Remove excess newline from output.
* cppinit.c (dump_special_to_buffer): No need to generate line
commands.
(cpp_printer_init): New.
(cpp_start_read): Take a printer, and start it up if it's not
NULL. No need to generate line commands.
(cpp_finish): Expect no buffers stacked at all. Take a
printer argument, and flush the output buffer if it's not
NULL.
* cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
Don't put two hashes at the beginning of an assertion.
(cpp_get_token): Don't increment pfile->lineno or emit line
commands here. Return EOF if there's no buffer when we get
EOF.
* cpplib.c (do_define, skip_if_group):
No need to disable line commands.
(_cpp_output_line_command): Delete function.
(do_line): Don't emit line commands here, but set things up so
they will be emitted if necessary. Use _cpp_fake_ihash to
make unique nominal_fnames if necessary.
(do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
with 0 for column, not -1.
(_cpp_handle_eof): Don't set the control macro here. Don't
clear input_stack_listing_current here. Don't emit line
commands.
From-SVN: r33159
* cppexp.c (parse_charconst): Null does not end character
constants.
* cppinit.c (ISTABLE): Null character handled as whitespace.
* cpplex.c (null_warning): new function.
(skip_string): Emit warning if nulls encountered.
(_cpp_skip_hspace): Emit warning if nulls encountered.
(_cpp_lex_token): Emit warning if nulls encountered. Drop
them.
* cpp.texi: Update.
From-SVN: r33013
* cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
(macro_cleanup): No need to cast pbuf->macro.
(collect_expansion): Use _cpp_get_define_token. Goto done if
it returns VSPACE. Remove check for trailing space after
CPP_COMMENT.
(_cpp_create_definition): Don't diddle flags here. Return
directly on error.
(unsafe_chars): Handle c1 being EOF.
(push_macro_expansion): Use unsafe_chars for both accidental-paste
checks. Don't push the buffer till after we're done with
them.
* cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
(PEEKN, FORWARD, GETC, PEEKC): Use them.
(cpp_push_buffer): Don't set new->alimit. Set new->mark
appropriately.
(_cpp_parse_assertion): Don't NUL terminate.
(_cpp_lex_token): Fix -traditional macro handling. Don't skip
hspace before calling _cpp_parse_assertion. Remove all sets
of only_seen_white. Treat '\f' as hspace. Don't do anything
special with '\n' here.
(maybe_macroexpand): Handle T_EMPTY hash entries without
pushing a buffer at all.
(cpp_get_token): Handle clearing only_seen_white here. Handle
incrementing the line number here. Clear
potential_control_macro as well as only_seen_white, if
appropriate.
(cpp_get_non_space_token): Don't eat CPP_POP tokens.
(_cpp_get_define_token): New function, basically like
_cpp_get_directive_token was but doesn't eat horizontal space.
Don't do anything with only_seen_white here.
(_cpp_get_directive_token): Just call _cpp_get_define_token
repeatedly till it returns non-hspace.
* cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
(conditional_skip, skip_if_group): Return int.
(DIRECTIVE_TABLE): Change origin of all conditional directives
to "COND".
(TRAD_DIRECT_P): New macro.
(_cpp_handle_directive): Use _cpp_get_directive_token. Issue
an error for a bogus directive, unless -lang-asm. Use
TRAD_DIRECT_P. Loop calling handler functions till one returns
zero.
(get_macro_name): Don't diddle flags here.
(do_define): Diddle flags here. Use _cpp_get_directive_token.
Create T_EMPTY nodes for #define macro /* nothing */.
(do_undef): Don't copy the name. Use _cpp_get_directive_token.
Use hp->name when calling pass_thru_directive.
(do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
Return the result of conditional_skip and/or skip_if_group.
Don't call _cpp_output_line_command.
(consider_directive_while_skipping): Use _cpp_get_directive_token.
Issue -Wtraditional warnings as appropriate. Don't complain
about unrecognized directives. If we are to stop skipping,
return the number of the directive that ended the skip.
(skip_if_group): Use _cpp_get_directive_token. Turn off macro
expansion and line commands while skipping. Return the result
of consider_directive_while_skipping, if nonzero.
(do_endif): Just set potential_control_macro here.
(validate_else): Use _cpp_get_directive_token.
(do_assert, do_unassert): Don't save pointers into the
token_buffer across calls to the lexer. Use
_cpp_get_directive_token.
* cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
pointer, not an offset. Replace 'data', which was a generic
pointer, with 'macro', which points to a struct hashnode.
(cpp_reader): Add 'potential_control_macro' pointer.
* cpphash.h (T_UNUSED): Replace with T_EMPTY.
(CPP_BUF_GET, CPP_FORWARD): Delete.
(CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
(CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
ACTIVE_MARK_P): Update.
(_cpp_get_define_token): New internal function.
* cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
From-SVN: r32965
* cpplex.c (trigraph_map, speccase): Combine into single
table, chartab.
(NORMAL, NONTRI): New macros.
(_cpp_read_and_prescan): Change to use unified table. Use
is_hspace to test for whitespace.
From-SVN: r32912
* cppinit.c (cpp_start_read): Turn off -Wtraditional if
processing C++.
* cpplib.c (_cpp_handle_directive): Improve warnings for
traditional C and indented directives.
* enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
fixinc/inclhack.def: Indent the # of #include_next one space.
* cp/rtti.c: Un-indent #if and #endif.
* cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
syntax error, but an error has already been printed.
* cpplex.c (_cpp_parse_assertion): Give a more specific error
message when called with nothing remaining on the line.
(_cpp_lex_token): If _cpp_parse_assertion fails, return an
OTHER token, not an ASSERTION.
* cpplib.c (do_assert): When we create a 'base' node, clear
its aschain pointer.
* gcc.c-torture/compile/981211-1.c: Move to...
* gcc.dg/cpp-as1.c: ...here.
* gcc.dg/cpp-as2.c: New file.
* gcc.dg/cpp-tradwarn1.c: Change warning regexps to match the
compiler.
From-SVN: r32870
* cpplib.c: Include symcat.h. Add 'origin' field to struct
directive. Add origin values to DIRECTIVE_TABLE. Generate
the strings and function names on the fly. Take the #sccs
entry out of the table if SCCS_DIRECTIVE is not defined.
(_cpp_handle_directive): Decide if the # was at the beginning
of the line here. Issue -pedantic warnings for extended
directives here. Warn about K+R directives with the #
indented, and C89/extended directives with the # not indented,
here.
(do_import, do_include_next, do_warning, do_ident, do_sccs,
do_assert, do_unassert): Don't issue pedantic warning here.
* cpphash.h: Add CPP_WTRADITIONAL macro.
* cpplib.h (struct cpp_options): Rename warn_stringify to
warn_traditional; update comments.
* cppinit.c (handle_option): Set warn_traditional not
warn_stringify.
* cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
CPP_WTRADITIONAL (pfile).
* cpplex.c (_cpp_lex_token): Don't decide if directives should
be ignored in -traditional mode here.
* cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
to initialize speccase[] and trigraph_map[]. Delete all
references to pfile->input_speccase. Always treat '?' as a
special character. Remove table-initialization code from
_cpp_init_input_buffer.
* cpplib.h (struct cpp_reader): Remove input_speccase field.
* cppinit.c (cpp_cleanup): Don't free input_speccase.
From-SVN: r32860
* cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
to initialize speccase[] and trigraph_map[]. Delete all
references to pfile->input_speccase. Always treat '?' as a
special character. Remove table-initialization code from
_cpp_init_input_buffer.
* cpplib.h (struct cpp_reader): Remove input_speccase field.
* cppinit.c (cpp_cleanup): Don't free input_speccase.
From-SVN: r32858
* cpplib.h: Merge struct cpp_options into struct cpp_reader.
Reorder struct cpp_options and struct cpp_reader for better
packing. Replace CPP_OPTIONS macro with CPP_OPTION which
takes two args. Change all 'char' flags to 'unsigned char'.
Move show_column flag into struct cpp_options. Don't
prototype cpp_options_init.
* cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
cppinit.c, cpplex.c, cpplib.c:
Replace CPP_OPTIONS (pfile)->whatever with
CPP_OPTION (pfile, whatever), and likewise for
opts = CPP_OPTIONS (pfile); ... opts->whatever;
* cppinit.c (merge_include_chains): Take a cpp_reader *.
Extract CPP_OPTION (pfile, pending) and work with that
directly.
(cpp_options_init): Delete.
(cpp_reader_init): Turn on on-by-default options here.
Allocate the pending structure here.
(cl_options, enum opt_code): Define these from the same table,
kept in a large macro. Add -fshow-column and -fno-show-column
options.
* cpperror.c (v_message): If show_column is off, don't print
the column number.
* cppmain.c: Update for new interface.
* fix-header.c: Likewise.
From-SVN: r32850
* (cpplex.c) _cpp_read_and_prescan. Mark end of input buffer with
'\\' rather than a null character, so nulls are not special. Fix
"\\\n" handling in end-of-buffer conditions. Use trigraph map to
speed trigraph conversion.
(_cpp_init_input_buffer) Initialize trigraph map.
From-SVN: r32781
