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2002-05-23cpperror.c (_cpp_begin_message): No special casing of CPP_FATAL_LIMIT.Neil Booth1-1/+1
* cpperror.c (_cpp_begin_message): No special casing of CPP_FATAL_LIMIT. * cppinit.c (sanity_checks): s/DL_FATAL/DL_ICE/. (output_deps, cpp_handle_option, cpp_post_options): Use DL_ERROR. * cpplib.c (do_include_common): Use DL_ERROR. * cpplib.h (CPP_FATAL_LIMIT, CPP_FATAL_ERRORS, DL_FATAL): Remove. (DL_ICE): Renumber. * fix-header.c (read_scan_file): Update. From-SVN: r53765
2002-05-22cpperror.c: Fix formatting.Kazu Hirata1-11/+11
* cpperror.c: Fix formatting. * cppexp.c: Likewise. * cppfiles.c: Likewise. * cpphash.c: Likewise. * cpphash.h: Likewise. * cppinit.c: Likewise. * cpplex.c: Likewise. * cpplib.c: Likewise. * cppmacro.c: Likewise. * cppmain.c: Likewise. * cppspec.c: Likewise. From-SVN: r53751
2002-05-18cppinit.c (cpp_post_options): If preprocessed, turn off traditional.Neil Booth1-1/+1
* cppinit.c (cpp_post_options): If preprocessed, turn off traditional. If traditional, turn off column numbers. * cpplib.c (cpp_push_buffer): Lex from stage 3 if traditional. * cpptrad.c (handle_newline): Update line_base. (skip_comment): Handle -Wcomment. From-SVN: r53582
2002-05-09cpplib.c (cpp_init_internal_pragmas): Remove #pragma poison.Neil Booth1-3/+2
* cpplib.c (cpp_init_internal_pragmas): Remove #pragma poison. * cppmacro.c (paste_all_tokens): Bad pastes are a hard error. doc: * cpp.texi: Update for removal of obsolete features. testsuite: * gcc.dg/cpp/poison.c: Update. * gcc.dg/cpp/20000625-2.c: Remove. * gcc.dg/cpp/direct2s.c: Remove final test. From-SVN: r53333
2002-05-04c-lex.c (lex_string): Let cpp_parse_escape handles truncation and ↵Neil Booth1-10/+2
sign-extension. * c-lex.c (lex_string): Let cpp_parse_escape handles truncation and sign-extension. (lex_charconst): Update for change in prototype of cpp_interpret_charconst. Extend from cppchar_t to HOST_WIDE_INT appropriately. * cpphash.h (BITS_PER_CPPCHAR_T): New. * cppinit.c (cpp_create_reader): Initialize them for no change in semantics. (cpp_post_options): Add sanity checks. * cpplex.c (cpp_parse_escape): Handle precision, sign-extension and truncation issues. Calculate in type cppchar_t. (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Remove. (cpp_interpret_charconst): Calculate in type cppchar_t. Handle run-time dependent precision correctly. Return whether the result is signed or not. * cpplib.c (dequote_string): Use cppchar_t; update. * cpplib.h (cppchar_signed_t): New. struct cpp_options): New precision members. (cpp_interpret_charconst, cpp_parse_escape): Update prototypes. From-SVN: r53152
2002-04-28cppexp.c (lex): Move some code to _cpp_parse_expr, but keep most cases as ↵Neil Booth1-1/+1
function eval_token. * cppexp.c (lex): Move some code to _cpp_parse_expr, but keep most cases as function eval_token. (eval_token): New function. (_cpp_parse_expr): Read token here for improved diagnostics. Don't use op_as_text. Detect bad ':' here. (reduce): Don't detect bad ':' here. (op_as_text): Remove. * cpphash.h (_cpp_test_assertion): Change prototype. * cpplib.c (_cpp_test_assertion): Change prototype. testsuite: * gcc.dg/cpp/if-cexp.c: Add a test. From-SVN: r52866
2002-04-28cppexp.c (lex): Update to use state.skip_eval.Neil Booth1-1/+1
* cppexp.c (lex): Update to use state.skip_eval. (struct op): Remove prio and flags members. (FLAG_BITS, FLAG_MASK, PRIO_SHIFT, EXTRACT_PRIO, EXTRACT_FLAGS, SHORT_CIRCUIT, RIGHT_ASSOC, ..._PRIO, op_to_prio): Remove. (LEFT_ASSOC): New macro. (optab): New table of operator priorities and flags. (SHIFT): Update. (_cpp_parse_expr): Clean up logic. Return bool. Use a malloc-ed parser stack. (reduce): New; reduce the operator stack. (_cpp_expand_op_stack): Expand the operator stack as necessary. * cpphash.h (struct op): Predeclare. (struct cpp_reader): New members op_stack, op_limit. (struct lexer_state): New member skip_eval. (_cpp_parse_expr): Update. (_cpp_expand_op_stack): New. * cpplib.c (do_if): Update. * cppinit.c (cpp_create_reader): Create op stack. (cpp_destroy): And destroy it. * cpplib.h (CPP_LAST_CPP_OP): Correct. (TTYPE_TABLE): Correct. testsuite: * gcc.dg/cpp/if-mop.c: Update. * gcc.dg/cpp/if-mpar.c: Add test. * gcc.dg/cpp/if-oppr.c: Update. From-SVN: r52853
2002-04-22cppfiles.c (_cpp_pop_file_buffer): Return void.Neil Booth1-9/+22
* cppfiles.c (_cpp_pop_file_buffer): Return void. Move file change and include code to _cpp_pop_buffer. * cpphash.h (struct pending_option): Predeclare. (struct cpp_reader): New member next_include_file. (_cpp_pop_file_buffer): Update. (_cpp_push_next_buffer): Update, rename. * cppinit.c (cpp_destroy): Free include chain and pending here. (cpp_finish_options): Simplify. (_cpp_push_next_buffer): Rename and clean up. * cpplib.c (cpp_pop_buffer): Move code from _cpp_pop_file_buffer. Clarify. * cppmacro.c (cpp_scan_nooutput): Set return_at_eof here. From-SVN: r52621
2002-04-21cppexp.c (struct op, [...]): Replace U_CHAR with uchar.Neil Booth1-14/+14
* cppexp.c (struct op, parse_number): Replace U_CHAR with uchar. * cppfiles.c (read_include_file): Similarly. * cpphash.h (DSC, U_CHAR, ustrcmp, ustrncmp, ustrlen, uxstrdup ustrchr, ufputs): Similarly. * cppinit.c (TRIGRAPH_MAP, cpp_destroy): Similarly. * cpplex.c (parse_slow, unescaped_terminator_p, save_comment, cpp_ideq, parse_identifier, parse_number): Similarly. * cpplib.c (struct directive, dequote_string, D, run_directive, cpp_push_buffer): Similarly. * cppmacro.c (new_string_token, builtin_macro, cpp_quote_string, _cpp_create_definition, check_trad_stringification, cpp_macro_definition): Similarly. From-SVN: r52587
2002-04-14cpperror.c (print_location): Don't print include chain if line == 0.Neil Booth1-64/+75
* cpperror.c (print_location): Don't print include chain if line == 0. (cpp_begin_message): Update to use DL_ macros. (cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning, cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line, cpp_notice, cpp_notice_from_errno): Remove. (cpp_error, cpp_error_with_line): Update to take a diagnostic level. (cpp_errno): New. * cppexp.c (CPP_ICE): Remove. (SYNTAX_ERROR, SYNTAX_ERROR2, parse_number, parse_defined, lex, integer_overflow, _cpp_parse_expr): Update. * cppfiles.c (read_include_file, find_include_file, handle_missing_header, _cpp_read_file, remap_filename): Update. * cpphash.h (enum error_type): Remove. (_cpp_begin_message): Update. * cppinit.c (append_include_chain, remove_dup_dirs, output_deps, cpp_handle_option, cpp_post_options): Update. * cpplex.c (trigraph_p, skip_escaped_newlines, skip_block_comment, skip_whitespace, parse_identifier, parse_slow, parse_string, _cpp_lex_direct, cpp_spell_token, maybe_read_ucs, cpp_parse_escape, cpp_interpret_charconst): Update. * cpplib.c (check_eol, directive_diagnostics, _cpp_handle_directive, lex_macro_node, do_undef, glue_header_name, parse_include, do_include_common, read_flag, do_line, do_linemarker, do_ident, cpp_register_pragma, do_pragma_once, do_pragma_system_header, do_pragma_poison, do_pragma_dependency, _cpp_do__Pragma, do_else, do_elif, do_endif, parse_answer, parse_assertion, do_assert, _cpp_pop_buffer, do_diagnostic): Update. * cpplib.h (DL_WARNING, DL_WARNING_SYSHDR, DL_PEDWARN, DL_ERROR, DL_FATAL, DL_ICE, DL_EXTRACT, DL_WARNING_P): New. (cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning, cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line, cpp_notice, cpp_notice_from_errno): Remove. (cpp_error, cpp_error_with_line): Update to take a diagnostic level. (cpp_errno): New. * cppmacro.c (builtin_macro, stringify_arg, paste_all_tokens, collect_args, enter_macro_context, save_parameter, parse_params, _cpp_create_definition, check_trad_stringification, cpp_macro_definition): Update. * cppmain.c (cpp_preprocess_file): Update. * fix-header.c (read_scan_file): Update. From-SVN: r52302
2002-04-07cppinit.c (cpp_create_reader): Initialize discard_comments_in_macro_exp.Jason Thorpe1-1/+17
* cppinit.c (cpp_create_reader): Initialize discard_comments_in_macro_exp. (COMMAND_LINE_OPTIONS): Add "-CC" option. (cpp_handle_option): Handle "-CC" option. * cpplex.c (save_comment): If saving a C++ comment in a directive, convert it to a C comment. (_cpp_lex_direct): Pass second comment start character to save_comment to indicate comment type. * cpplib.c (_cpp_handle_directive): If processing a "#define" directive and discard_comments_in_macro_exp is false, re-enable saving of comments. (lex_macro_node): If discard_comments_in_macro_exp is false, discard any comments before the macro identifier. * cpplib.h (struct cpp_options): Add discard_comments_in_macro_exp member. * cppmacro.c (cpp_get_token): If expanding a macro while processing a directive, discard any comments we might encounter. (parse_params): If discard_comments_in_macro_exp is false, ignore comments in the macro parameter list. * gcc.c (cpp_unique_options): Add "-CC" option. (option_map): Map "--comments-in-macros" to "-CC". * doc/cppopts.texi: Document "-CC" option. * f/lang-specs.h: Add "-CC" option. * testsuite/gcc.dg/cpp/maccom1.c: New test. * testsuite/gcc.dg/cpp/maccom2.c: New test. * testsuite/gcc.dg/cpp/maccom3.c: New test. * testsuite/gcc.dg/cpp/maccom4.c: New test. * testsuite/gcc.dg/cpp/maccom5.c: New test. * testsuite/gcc.dg/cpp/maccom6.c: New test. From-SVN: r51975
2002-03-22cpplib.h (struct cpp_options): New member, warn_endif_labels.Phil Edwards1-2/+2
2002-03-22 Phil Edwards <pme@gcc.gnu.org> * cpplib.h (struct cpp_options): New member, warn_endif_labels. * cppinit.c (cpp_create_reader): On by default. (cpp_handle_option): Handle -W[no-]endif-labels. (cpp_post_options): Also enable if -pedantic. * cpplib.c (do_else): Use it. (do_endif): Likewise. * doc/cppopts.texi: Document new option. * doc/invoke.texi: Document new option. From-SVN: r51190
2002-03-14cpphash.h (struct lexer_state): Remove line_extension member.Zack Weinberg1-84/+154
* cpphash.h (struct lexer_state): Remove line_extension member. * cpplib.c (dequote_string, do_linemarker): New functions. (linemarker_dir): New data object. (DIRECTIVE_TABLE): No longer need to interpret #line in preprocessed source. Delete obsolete comment about return values of handlers. (end_directive, directive_diagnostics, _cpp_handle_directive): Don't muck with line_extension. (directive_diagnostics): No need to issue warnings for linemarkers here. (_cpp_handle_directive): Issue warnings for linemarkers here, when appropriate. Dispatch linemarkers to do_linemarker, not do_line. (do_line): Code to handle linemarkers split out to do_linemarker. Convert escape sequences in filename argument, both places. * cppmacro.c (quote_string): Rename cpp_quote_string and export. All callers changed. * cpplib.h (cpp_quote_string): Prototype. * cppmain.c (print_line): Call cpp_quote_string on to_file before printing it. * doc/cpp.texi: Document that escapes are now interpreted in #line and in linemarkers, and that non-printing characters are converted to octal escapes when linemarkers are generated. From-SVN: r50779
2002-02-27c-common.c, [...]: Delete code implementing -traditional mode.Zack Weinberg1-1/+1
* c-common.c, c-common.h, c-decl.c, c-lex.c, c-parse.in, c-tree.h, c-typeck.c, cppexp.c, cpplex.c, cpplib.c, cpplib.h, cppmacro.c, objc/lang-specs.h, objc/objc-act.c, builtin-types.def, builtins.def, dwarf2out.c, dwarfout.c, gcc.c, toplev.c: Delete code implementing -traditional mode. * ada/misc.c, ch/ch-tree.h, ch/decl.c, cp/decl2.c, f/com.c, f/lex.c, f/top.c, java/builtins.c, java/decl.c: Delete traditional-mode-related code copied from the C front end but not used, or used only to permit the compiler to link. * doc/bugreport.texi, doc/cpp.texi, doc/extend.texi, doc/invoke.texi, doc/standards.texi, doc/trouble.texi: Document removal of -traditional mode for compilation, and remove documentation only relevant to that mode. * config/nextstep.h, config/ptx4.h, config/svr4.h, config/convex/convex.h, config/d30v/d30v.h, config/i386/dgux.h, config/i386/osf1elf.h, config/i386/osfelf.h, config/i386/osfrose.h, config/i386/sco5.h, config/i386/sol2.h, config/m68k/a-ux.h, config/m68k/hp310.h, config/m88k/dgux.h, config/m88k/dguxbcs.h, config/m88k/luna.h, config/m88k/m88k.c, config/m88k/m88k.h, config/m88k/openbsd.h, config/mips/abi64.h, config/mips/osfrose.h, config/mips/svr4-5.h, config/mips/svr4-t.h, config/sparc/sol2-sld-64.h, config/sparc/sol2.h, config/stormy16/stormy16.h: Remove all references to -traditional from target specs. Delete all mention of the no-longer-necessary TRADITIONAL_RETURN_FLOAT macro. Also delete a couple of commented-out definitions of DOLLARS_IN_IDENTIFIERS, with (incorrect) commentary referring to -traditional. * system.h: Poison TRADITIONAL_RETURN_FLOAT. * doc/tm.texi: Remove mention of TRADITIONAL_RETURN_FLOAT macro. * testsuite/gcc.c-torture/execute/920730-1t.c, testsuite/gcc.c-torture/execute/920730-1t.x, testsuite/gcc.dg/ext-glob.c: Delete test cases, only relevant to -traditional. From-SVN: r50110
2002-02-27cpplex.c (_cpp_lex_token): Handle directives in macro arguments.Neil Booth1-0/+16
* cpplex.c (_cpp_lex_token): Handle directives in macro arguments. * cpplib.c (_cpp_handle_directive): Save and restore state if parsing macro args when entering a directive. * cppmacro.c (collect_args): No need to handle directives in macro arguments. (enter_macro_context, replace_args): Use the original macro definition in case it was redefined whilst collecting arguments. doc: * cpp.texi: Update. testsuite: * gcc.dg/cpp/undef1.c: Remove. * gcc.dg/cpp/directiv.c: Update. * gcc.dg/cpp/mac-dir-1.c, mac-dir-2.c: New tests. From-SVN: r50091
2002-02-23cpplib.c (glue_header_name): Use local buffer to build up header name.Neil Booth1-16/+16
* cpplib.c (glue_header_name): Use local buffer to build up header name. From-SVN: r49998
2002-01-03cpperror.c: Update comments and copyright.Neil Booth1-34/+25
* cpperror.c: Update comments and copyright. * cppexp.c, cppfiles.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c, cpplib.c, cpplib.h, cppmacro.c, cppmain.c: Similarly. From-SVN: r48522
2002-01-03cppfiles.c (_cpp_pop_file_buffer): Change return type to bool and return ↵Andreas Schwab1-2/+4
true if... * cppfiles.c (_cpp_pop_file_buffer): Change return type to bool and return true if _cpp_push_next_buffer pushed a new include file. * cpplib.c (_cpp_pop_buffer): Only call obstack_free if _cpp_pop_file_buffer did not push a new file. * cpphash.h (_cpp_pop_file_buffer): Update declaration. From-SVN: r48507
2001-11-26cppfiles.c (stack_include_file): Don't optimize zero-length files.Neil Booth1-4/+6
* cppfiles.c (stack_include_file): Don't optimize zero-length files. (read_include_file): NUL-terminate read files. * cpplex.c (handle_newline, skip_escaped_newlines, get_effective_char, skip_whitespace, parse_identifier, parse_identifier_slow, parse_number, parse_string, _cpp_lex_direct): Optimize for the fact that buffers are guaranteed NUL-terminated. * cpplib.c (destringize_and_run, cpp_define, handle_assertion): Be sure buffers are NUL terminated. * cppmacro.c (warn_of_redefinition): Kill compile warning. * c-common.c: Include tree-inline.h. (c_language): Move separate definitions here. (c_common_init_options, c_common_post_options): New. (c_common_lang_init): Rename c_common_init. * c-common.h (c_common_lang_init): Similarly. (c_common_init_options, c_common_post_options): New. * c-lang.c (c_post_options): Move body to c_common_post_options. (c_init_options): Use c_common_init_options. (c_init): Update. * langhooks.def: Rearrange. * langhooks.h: Rearrange, and improve comments. * toplev.c (do_compile): New function. (toplev_main): Use it. (lang_independent_f_options, parse_options_and_default_flags, process_options): Remove trailing periods. * Makefile.in: Update. cp: * decl2.c (c_language): Move to c-common.c. * lex.c (cxx_post_options, cxx_init_options): Use c-common.c functions. (cxx_init): Update. objc: * objc-act.c (objc_post_options, objc_init_options): Use c-common.c functions. (ojbc_init): Update. From-SVN: r47362
2001-11-23ChangeLog.0, [...]: Fix spelling errors.Joseph Myers1-2/+2
* ChangeLog.0, ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog, FSFChangeLog.10, c-decl.c, cppfiles.c, cppinit.c, cpplex.c, cpplib.c, cppmain.c, cse.c, df.c, diagnostic.c, dominance.c, dwarf2out.c, dwarfout.c, emit-rtl.c, errors.c, except.c, except.h, explow.c, function.c, gcse.c, genrecog.c, predict.c, regmove.c, sched-rgn.c, ssa-ccp.c, stmt.c, toplev.c: Fix spelling errors. From-SVN: r47279
2001-10-21cpphash.h (struct cpp_buffer): Delete read_ahead and extra_char.Neil Booth1-4/+0
* cpphash.h (struct cpp_buffer): Delete read_ahead and extra_char. * cpplex.c (lex_percent, lex_dot): Remove. (get_effective_char, skip_block_comment, skip_line_comment, parse_identifier_slow, parse_number, parse_string, save_comment, _cpp_lex_direct): Update to do lookback freely. (IF_NEXT_IS, BACKUP): New macros. * cpplib.c (cpp_push_buffer): Don't set read_ahead and extra_char. * cppmacro.c (paste_tokens): Update. From-SVN: r46392
2001-10-20cpplex.c (handle_newline, [...]): Update to do more stepping back.Neil Booth1-16/+11
* cpplex.c (handle_newline, skip_escaped_newlines, get_effective_char, skip_block_comment, skip_line_comment, parse_identifier_slow, parse_number, parse_string, _cpp_lex_direct): Update to do more stepping back. (trigraph_ok): Similarly. Rename trigraph_p. (SAVE_STATE, RESTORE_STATE): Remove. (BUFF_SIZE_UPPER_BOUND): Tweak. Add sanity check. * cpplib.c (destringize): Rename destringize_and_run, and call run_directive directly. (_cpp_do__Pragma): Simplify. From-SVN: r46373
2001-10-14cpplib.c (struct pragma_entry): Store the name as a hashnode.Neil Booth1-26/+20
* cpplib.c (struct pragma_entry): Store the name as a hashnode. (lookup_pragma_entry, insert_pragma_entry, do_pragma, cpp_register_pragma): Update accordingly. From-SVN: r46255
2001-10-14c-pragma.h (cpp_register_pragma_space): Remove.Neil Booth1-98/+114
* c-pragma.h (cpp_register_pragma_space): Remove. * cpplib.h (cpp_register_pragma_space): Remove. * cpplib.c (lookup_pragma_entry, insert_pragma_entry): New. (cpp_register_pragma_space): Remove. (cpp_register_pragma): Simplify using lookup_pragma_entry, add sanity checks. (do_pragma): Similarly. (_cpp_init_internal_pragmas): Don't register namespaces. * config/v850/v850.h (REGISTER_TARGET_PRAGMAS): Don't register namespaces. * cp/lex.c (init_cp_pragma): Similarly. * doc/tm.texi: Update. From-SVN: r46254
2001-10-10calls.c: Fix formatting.Kazu Hirata1-1/+1
* calls.c: Fix formatting. * c-decl.c: Likewise. * cfgcleanup.c: Likewise. * combine.c: Likewise. * cppfiles.c: Likewise. * cpplib.c: Likewise. * cppmacro.c: Likewise. * crtstuff.c: Likewise. * cse.c: Likewise. * dwarf2out.c: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * fold-const.c: Likewise. * function.c: Likewise. * gcse.c: Likewise. * genattrtab.c: Likewise. * ggc-page.c: Likewise. * integrate.c: Likewise. * libgcc2.c: Likewise. * loop.c: Likewise. * optabs.c: Likewise. * profile.c: Likewise. * protoize.c: Likewise. * real.c: Likewise. * recog.c: Likewise. * reload1.c: Likewise. * reload.c: Likewise. * reorg.c: Likewise. * resource.c: Likewise. * sched-rgn.c: Likewise. * sdbout.c: Likewise. * stmt.c: Likewise. * toplev.c: Likewise. * varasm.c: Likewise. From-SVN: r46145
2001-09-30cpphash.h (POOL_ALIGN, [...]): Remove.Neil Booth1-28/+32
* cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk, struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk): Remove. (_cpp_extend_buff, BUFF_ROOM): Update. (_cpp_append_extend_buff): New. (struct cpp_reader): Remove macro_pool, add a_buff. * cppinit.c (cpp_create_reader): Initialize a_buff, instead of macro_pool. (cpp_destroy): Free a_buff instead of macro_pool. * cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk, new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, ): Remove. (parse_number, parse_string): Update use of _cpp_extend_buff. (_cpp_extend_buff): Update. (_cpp_append_extend_buff, cpp_aligned_alloc): New. * cpplib.c (glue_header_name, parse_answer): Update use of _cpp_extend_buff. (cpp_register_pragma, cpp_register_pragma_space): Use _cpp_aligned_alloc. (do_assert, do_unassert): Check for EOL, update. * cppmacro.c (stringify_arg, collect_args): Update to use _cpp_extend_buff and _cpp_append_extend_buff. (save_parameter, parse_params, alloc_expansion_token, _cpp_create_definition): Rework memory management. * gcc.dg/cpp/redef2.c: Add test. From-SVN: r45899
2001-09-28cpphash.h (struct cpp_buff): Make unsigned.Neil Booth1-17/+16
* cpphash.h (struct cpp_buff): Make unsigned. (_cpp_get_buff): Take length of size_t. (_cpp_unaligned_alloc): New. (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New. (struct cpp_reader): Remove ident_pool. Add u_buff. * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool. (cpp_destroy): Destroy u_buff, not ident_pool. * cpplex.c (parse_number, parse_string, save_comment, cpp_token_as_text): Update to use the unaligned buffer. (new_buff): Make unsigned. (_cpp_unaligned_alloc): New. * cpplib.c (glue_header_name): Update to use the unaligned buffer. * cppmacro.c (new_number_token, builtin_macro, stringify_arg): Similarly. (collect_args): Make unsigned. From-SVN: r45858
2001-09-24c-lex.c (cb_def_pragma): Update.Neil Booth1-84/+103
* c-lex.c (cb_def_pragma): Update. (c_lex): Update, and skip padding. * cppexp.c (lex, parse_defined): Update, remove unused variable. * cpphash.h (struct toklist): Delete. (union utoken): New. (struct cpp_context): Update. (struct cpp_reader): New members eof, avoid_paste. (_cpp_temp_token): New. * cppinit.c (cpp_create_reader): Update. * cpplex.c (_cpp_temp_token): New. (_cpp_lex_direct): Add PREV_WHITE when parsing args. (cpp_output_token): Don't print leading whitespace. (cpp_output_line): Update. * cpplib.c (glue_header_name, parse_include, get__Pragma_string, do_include_common, do_line, do_ident, do_pragma, do_pragma_dependency, _cpp_do__Pragma, parse_answer, parse_assertion): Update. (get_token_no_padding): New. * cpplib.h (CPP_PADDING): New. (AVOID_LPASTE): Delete. (struct cpp_token): New union member source. (cpp_get_token): Update. * cppmacro.c (macro_arg): Convert to use pointers to const tokens. (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p, replace_args, quote_string, stringify_arg, parse_arg, next_context, enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput, _cpp_backup_tokens, _cpp_create_definition): Update. (push_arg_context): Delete. (padding_token, push_token_context, push_ptoken_context): New. (make_string_token, make_number_token): Update, rename. (cpp_get_token): Update to handle tokens as pointers to const, and insert padding appropriately. * cppmain.c (struct printer): New member prev. (check_multiline_token): Constify. (do_preprocessing, cb_line_change): Update. (scan_translation_unit): Update to handle spacing. * scan-decls.c (get_a_token): New. (skip_to_closing_brace, scan_decls): Update. * fix-header.c (read_scan_file): Update. * doc/cpp.texi: Update. * gcc.dg/cpp/macro10.c: New test. * gcc.dg/cpp/strify3.c: New test. * gcc.dg/cpp/spacing1.c: Add tests. * gcc.dg/cpp/19990703-1.c: Remove bogus test. * gcc.dg/cpp/20000625-2.c: Fudge to pass. From-SVN: r45793
2001-09-16cpphash.h (_cpp_lex_token): Update prototype.Neil Booth1-41/+30
* cpphash.h (_cpp_lex_token): Update prototype. * cpplex.c (_cpp_lex_token): New prototype. * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive, lex_macro_node, read_flag, do_pragma_poison): Update. * cppmacro.c (cpp_get_token, parse_params, lex_expansion_token): Update. From-SVN: r45646
2001-09-16cppmain.c (scan_translation_unit): Don't worry about putting a space after ↵Neil Booth1-98/+108
hashes. * cppmain.c (scan_translation_unit): Don't worry about putting a space after hashes. * cpplib.c (directive_diagnostics): New. (_cpp_handle_directive): Update to use directive_diagnostics. (run_directive): Don't toggle prevent_expansion. (do_line): Backup in case of the line extension. * cpplib.h (cpp_lexer_pos): Remove. * cppmacro.c (_cpp_create_definition): Precede a leading # with whitespace. * gcc.dg/cpp/line5.c: New testcase. From-SVN: r45645
2001-09-15cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.Neil Booth1-11/+18
* cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos. Split mlstring_pos into mls_line and mls_col. * cppinit.c (cpp_create_reader): Initialize line to 1. (cpp_destroy): Free tokenruns. (push_include): Don't update lexer_pos. * cpplex.c (unterminated, parse_string): Update. (lex_token): Don't update lexer_pos, update. * cpplib.c (if_stack): Save line instead of line + col. (start_directive, _cpp_do__Pragma, do_else, do_elif, push_conditional, _cpp_pop_buffer): Update. * cppmacro.c (funlike_invocation_p): Don't save lexer_pos. (_cpp_create_definition): Update. From-SVN: r45627
2001-09-14cpperror.c (print_location): Take line and column, for default positioning ↵Neil Booth1-7/+11
use the previously lexed token. * cpperror.c (print_location): Take line and column, for default positioning use the previously lexed token. (_cpp_begin_message): Take line and column. (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning, cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update. * cpphash.h (_cpp_begin_message): Update prototype. * cppinit.c (push_include): Don't set output line. * cpplex.c (_cpp_lex_token): Callback for start of new output lines. * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update. (do_pragma): Kludge for front ends. Don't expand macros at all. * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove. (struct cpp_token): Remove output_line. (struct cpp_callbacks): New member line_change. * cppmacro.c (builtin_macro, paste_all_tokens, replace_args, cpp_get_token): Preserve BOL flag. (cpp_get_line): Remove. (_cpp_backup_tokens): Remove useless abort(). * cppmain.c (cb_line_change): New. (scan_translation_unit): Don't worry about starting new lines here. * scan-decls.c (scan_decls): Update. * c-lex.c (c_lex, init_c_lex): Update. (cb_line_change, src_lineno): New. From-SVN: r45613
2001-09-13c-parse.in (_yylex): Use _cpp_backup_tokens.Neil Booth1-34/+29
* c-parse.in (_yylex): Use _cpp_backup_tokens. * cpphash.h (struct tokenrun): Add prev. (struct lexer_state): Remove bol. (struct cpp_reader): Remove old lookahead stuff, add lookaheads. (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token) : Remove. * cppinit.c (cpp_create_reader): Don't set bol. (cpp_destroy): Don't free lookaheads. * cpplex.c (lex_directive): Remove. (next_tokenrun): Update. (_cpp_lex_token): Clean up logic. (lex_token): Update to return a pointer to lexed token, since it can move to the start of the buffer. Simpify newline handling. * cpplib.c (SEEN_EOL): Update. (skip_rest_of_line): Remove lookahead stuff. (end_directive): Line numbers are already incremented. Revert to start of lexed token buffer if we can. (_cpp_handle_directive, do_pragma, do_pragma_dependency, parse_answer): Use _cpp_backup_tokens. (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags instead. Don't check for EOL. (do_include_common, do_line, do_pragma_system_header): Use skip_rest_of_line. * cpplib.h (BOL, _cpp_backup_tokens): New. * cppmacro.c (save_lookahead_token, take_lookahead_token, alloc_lookahead, free_lookahead, _cpp_free_lookaheads, cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove. (builtin_macro): Don't use cpp_get_line. (cpp_get_line): Short term kludge. (parse_arg): Handle directives in arguments here. Back up when appropriate. Store EOF at end of argument list. (funlike_invocation_p): Use _cpp_backup_tokens. (push_arg_context): Account for EOF at end of list. (cpp_get_token): Remove lookahead stuff. Update. * gcc.dg/cpp/directiv.c: Update. * gcc.dg/cpp/undef1.c: Update. From-SVN: r45582
2001-09-11cpphash.h (struct tokenrun): New.Neil Booth1-0/+2
* cpphash.h (struct tokenrun): New. (struct cpp_context): New member bol. (struct cpp_reader): New members. (_cpp_init_tokenrun): New. * cppinit.c (cpp_create_reader): Set up the token runs. * cpplex.c (lex_directive, lex_token, next_tokenrun): New. (lex_token): New internalised version of _cpp_lex_token. Don't handle directives or the multiple include opimisation here any more. Simply lex a token. * cpplib.c (run_directive): Clear bol. (_cpp_pop_buffer): Set bol. * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing arguments. From-SVN: r45534
2001-08-22cpperror.c (print_location): Don't show _Pragma.Neil Booth1-34/+19
* cpperror.c (print_location): Don't show _Pragma. * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing and file change callback generation here. (stack_include_file): Update use of cpp_push_buffer. * cpphash.h (_cpp_pop_file_buffer): Update prototype. (struct cpp_buffer): Remove type, pfile members. * cppinit.c (cpp_handle_option): Use free_chain. * cpplex.c (_cpp_lex_token): Don't do -include file pushing here. (skip_escaped_newlines, get_effective_char, lex_percent): Take a cpp_reader rather than a cpp_buffer. (skip_escaped_newlines, get_effective_char, skip_block_comment, skip_line_comment, parse_string, lex_percent, lex_dot, _cpp_lex_token): Update accordingly. * cpplib.c (_cpp_pop_buffer): Don't do file change callback generation here. (cpp_push_buffer): Update prototype. (run_directive): Update use of cpp_push_buffer. (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef, handle_assertion): Update use of run_directive. * cpplib.h (enum cpp_buffer_type): Remove. (cpp_push_buffer): Update prototype. * fix-header.c (read_scan_file): Update. From-SVN: r45112
2001-08-21cppfiles.c (stack_include_file): line-map.c now handles include depth.Neil Booth1-3/+1
* cppfiles.c (stack_include_file): line-map.c now handles include depth. (handle_missing_handler): Similarly. (_cpp_execute_include): Similarly. (_cpp_pop_file_buffer): Similarly. * cpphash.h (struct cpp_reader): Remove system_include_depth, buffer_stack_depth and include_depth. * cpplib.c (do_include_common): line-map.c now handles include depth. (cpp_push_buffer): Similarly. (_cpp_pop_buffer): Similarly. * cppmacro.c (builtin_macro): Update. * line-map.c (init_line_maps): Set depth. (add_line_map): Increment "used" earlier. Update and use the include depth. (trace_include): Use the include depth. * line-map.h (struct line_maps): New member depth. From-SVN: r45085
2001-08-21cpphash.h (_cpp_push_next_buffer): New.Neil Booth1-0/+1
* cpphash.h (_cpp_push_next_buffer): New. * cppinit.c (do_includes): Remove. (push_include, free_chain, _cpp_push_next_buffer): New. (cpp_start_read): Use them to rework command line option handling. (cpp_handle_option): Combine handling of -include and -imacros. * cpplex.c (_cpp_lex_token): Push a new -include buffer if appropriate. Always insert missing \n at EOF. * cpplib.c (start_directive): Get the directive position right. * cppmain.c (cb_file_change): Always print the first line, unless preprocessed. From-SVN: r45070
2001-08-17cpperror.c (print_location): Don't take a file name; use the line map instead.Neil Booth1-27/+13
* cpperror.c (print_location): Don't take a file name; use the line map instead. (_cpp_begin_message): Similarly. (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning, cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update. (cpp_pedwarn_with_file_and_line): Remove. * cppfiles.c (stack_include_file): Update; set filename to stdin here when appropriate. * cpphash.h (struct cpp_buffer): Remove nominal_fname. (_cpp_begin_message): Don't take a file name. * cppinit.c: Add comment. * cpplex.c: Fix end-of-directive indicator. * cpplib.c: Don't include intl.h. (run_directive, do_diagnostic): Update. (do_line): Update to not use nominal_fname. (cpp_push_buffer): Don't take a filename. * cpplib.h (struct ht): Remove. (cpp_push_buffer): Don't take a filename. (cpp_pedwarn_with_file_and_line): Remove. * cppmacro.c (struct cpp_macro): Remove file. (builtin_macro): Update. (_cpp_create_definition): Update. * cppmain.c: Correct comment. * fix-header.c (read_scan_file): Update. From-SVN: r44986
2001-08-11cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.Neil Booth1-2/+4
* cpphash.c (_cpp_destroy_hashtable): Use ht_destroy. * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix. (struct cpp_pool): New member first. * cppinit.c (append_include_chain): Plug memory leaks. * cpplib.c (cpp_register_pragma, cpp_register_pragma_space): Allocate pragma structures from the (aligned) macro pool to avoid leaking memory. * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first so we don't leak memory. * hashtable.c (ht_destroy): New. * hashtable.h (ht_destroy): New. From-SVN: r44794
2001-08-11cpphash.h, cpplib.c: Correct erroneous previous checkin.Neil Booth1-4/+2
* cpphash.h, cpplib.c: Correct erroneous previous checkin. Co-Authored-By: Franz Sirl <Franz.Sirl-kernel@lauterbach.com> From-SVN: r44790
2001-08-11c-lex.c (map): Make const.Neil Booth1-27/+21
* c-lex.c (map): Make const. (cb_file_change): Update for callback passing a line map. Don't assume we have a previous map. Remove sanity check about popping too many files. * cpperror.c (print_location): Make map const. * cppfiles.c (stack_include_file): Update; line maps now hold sysp. (cpp_make_system_header): Similarly. (search_from): Similarly. (_cpp_execute_include): Don't remember where we came from. * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp. (struct cpp_reader): Make map const. (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update. * cpplib.c (do_line): Update; line maps now hold sysp. (cpp_push_buffer): Similarly. (_cpp_do_file_change): Similarly; callback with map instead. (cpp_get_line_maps): Constify return value. (_cpp_pop_buffer): Update. * cpplib.h (struct cpp_file_change): Remove. (struct cpp_callbacks): Update. (cpp_get_line_maps): Constify return value. * cppmacro.c (_cpp_create_definition): Update. * cppmain.c (struct printer): Constify map. (maybe_print_line): Similarly. (print_line): Similarly. Deduce flags 1 and 2 here. (cb_file_change): Update. * line-map.c (free_line_maps): Warn regardless. (add_line_map): Return pointer to const. When passed NULL to_file with LC_LEAVE, use the obvious values for the return point so the caller doesn't have to figure them out. (lookup_line): Return pointer to const. (print_containing_files): Take pointer to const. * line-map.h (struct line_map): New members reason, sysp. (add_line_map): Return pointer to const. (lookup_line): Similarly. (print_containing_files): Take pointer to const. From-SVN: r44789
2001-08-06cpperror.c (print_containing_files): Moved to line-map.c.Neil Booth1-111/+44
* cpperror.c (print_containing_files): Moved to line-map.c. (print_location): line-map.c handles re-listing or otherwise. * cpphash.h (struct lexer_state): Remove next_bol. (struct cpp_buffer): Remove include_stack_listed. * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer): Remove faked buffer handling. (_cpp_do_file_change): Tweak. * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE. * cppmain.c (struct printer): Remove filename. (print_line, cb_file_change): Update accordingly. * line-map.c: Include intl.h. (init_line_maps): Initialize last_listed. (free_line_maps): Sanity check, warn if ENABLED_CHECKING. (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING. (print_containing_files): New. * line-map.h (struct line_maps): New member last_listed. (print_containing_files, INCLUDED_FROM): New. * Makefile.in: Update. * po/POTFILES.in: Add line-map.c. From-SVN: r44670
2001-08-05* cpplib.c (do_line): Update line number after pop_buffer.Neil Booth1-0/+1
From-SVN: r44653
2001-08-05re PR preprocessor/3081 (Preprocessor merges 2 first lines when -imacros is ↵Neil Booth1-41/+44
being used) PR preprocessor/3081 * c-lex.c (map): New. (cb_file_change): Update map and use it. (cb_def_pragma, cb_define, cb_undef): Use map and line. (c_lex): Update to use map. * cpperror.c (print_location): Move to using logical line numbers. * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change. (cpp_make_system_header): Similarly. (_cpp_execute_include): Stop line numbering hacks. Store the line we will return to. * cpphash.h (CPP_BUF_LINE): Remove. (struct cpp_buffer): Remove lineno and pseudo_newlines. Add map and return_to_line. (_cpp_do_file_change): Update. * cppinit.c (cpp_start_read): Update line kludge. * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines. (trigraph_ok): Use logical line numbers for diagnostics. (skip_block_comment): Likewise. (skip_whitespace): Likewise. (skip_line_comment): Use pfile->line instead. (_cpp_lex_token): Update to use logical line numbering exclusively. Handle BOL locally. Accept new lines in directives, but keep pfile->line decremented. Diagnostics use logical lines. Update directive handling. * cpplib.c (SEEN_EOL): New. (skip_rest_of_line, check_eol): Use it. (end_directive): Increase line number when accepting the newline at the end of a directive. (run_directive): Simplify. (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update. (_cpp_do_file_change): Update to take buffer line number as an argument, and store the current map in the cpp_reader. Remove line number kludges. (_cpp_do__Pragma): Restore output position after a _Pragma. (cpp_push_buffer): Don't set output line or lineno. (_cpp_pop_buffer): Transfer more info from a faked buffer. Remove line kludge. Set output_line. * cppmacro.c (builtin_macro): Update handling of __LINE__. (parse_arg): Use logical lines. (save_lookahead_token): Save EOFs too now. * cppmain.c (struct printer): Fix comments. (printer_init): Simplify, let caller do errors. (scan_translation_unit, check_multiline_token, dump_macro): Update. (maybe_print_line): Simplify. (print_line): Don't print a linemarker if -P. (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update. (cb_file_change): Simplify. * line-map.h (LAST_SOURCE_LINE): Fix. (CURRENT_LINE_MAP): New. * gcc.dg/cpp/19951025-1.c: Revert. * gcc.dg/cpp/directiv.c: We no longer process directives that interrupt macro arguments. From-SVN: r44650
2001-08-04cpphash.h (struct cpp_reader): New member directive_line.Neil Booth1-5/+7
* cpphash.h (struct cpp_reader): New member directive_line. * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks. * cpplib.c (do_define, do_undef, do_ident, do_include_common, do_pragma): Pass line to callbacks. (start_directive): Record line of directive. * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma, cb_include): Similarly. * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma): Similarly. From-SVN: r44637
2001-08-04Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h are also on ↵Neil Booth1-9/+11
line-map.h. * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h are also on line-map.h. * cppfiles.c (stack_include_file): Update. * cpphash.h (struct cpp_buffer): New member return_at_eof. (_cpp_pop_buffer): New. * cppinit.c (cpp_destroy, cpp_finish): Update. (do_includes): Mark each buffer to return at EOF. * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or return as requested. * cpplib.c (run_directive, do_line, cpp_push_buffer): Update. (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping. * cpplib.h (cpp_pop_buffer): Remove. (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput. * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop buffers. * cppmain.c (scan_buffer): Rename scan_translation_unit. No need to pop buffers. (do_preprocessing): Update. * fix-header.c (read_scan_file): Update. No need to pop buffers. * c-parse.in (_yylex): Similarly. * scan-decls.c (scan_decls): Similarly. * line-map.h: Update comments. * cp/spew.c (read_token): No need to pop buffers. * objc/Make-lang.in (objc-act.o): Update dependencies. From-SVN: r44634
2001-08-02line-map.c: New.Neil Booth1-52/+51
* line-map.c: New. * line-map.h: New. * Makefile.in (line-map.o): New. (LIBCPP_OBJS, LIBCPP_DEPS): Update. * c-lex.c (cb_file_change): Update for new cpp_file_change structure. * cpperror.c (print_containing_files): Similarly. (print_location): Update. Don't output a space before _Pragma. * cppfiles.c (stack_include_file): Set to line 1 immediately. (stack_include_filee, cpp_make_system_header): Update. (_cpp_execute_include): Get logical line number right for calling as-yet-unterminated #include. * cpphash.h (struct cpp_reader): Add line_maps. (_cpp_do_file_change): Update. * cppinit.c (cpp_create_reader): Initialize line maps. (cpp_destroy): Destroy line maps. (cpp_start_read): Get logical line number right. * cpplex.c (parse_string): Only warn once for multi-line strings. Use boolean variable for null warning. * cpplib.c (_cpp_handle_directive): End the directive if it isn't already. (do_include_common): End the directive early. (do_line): Don't warn about out-of-range lines in preprocessed source. Update. Remove unused variables. (_cpp_do_file_change): Update for new line mapping. (pragma_cb): New typedef. (cpp_register_pragma): Stop looking ahead before calling the handler. Clean up. (do_pragma_system_header): End directive early. (cpp_get_line_maps): New. (cpp_pop_buffer): Fudge logical line. Update. * cpplib.h: Include line-map.h (enum cpp_fc_reason): Remove. (struct cpp_file_change): Update. (cpp_get_line_maps): New. * cppmain.c (struct_printer): New member map. (cb_file_change): Update for new mappings. * fix-header.c (cb_file_change): Similarly. testsuite: * gcc.dg/cpp/19951025-1.c: Update. From-SVN: r44584
2001-08-01alias.c: Fix comment formatting.Kazu Hirata1-6/+6
* alias.c: Fix comment formatting. * bitmap.c: Likewise. * builtins.c: Likewise. * calls.c: Likewise. * c-common.c: Likewise. * c-decl.c: Likewise. * c-dump.c: Likewise. * c-lex.c: Likewise. * collect2.c: Likewise. * combine.c: Likewise. * conflict.c: Likewise. * cppfiles.c: Likewise. * cppinit.c: Likewise. * cpplex.c: Likewise. * cpplib.c: Likewise. * cppmacro.c: Likewise. * cppspec.c: Likewise. * c-pragma.c: Likewise. * crtstuff.c: Likewise. * cse.c: Likewise. * cselib.c: Likewise. * c-semantics.c: Likewise. * c-typeck.c: Likewise. From-SVN: r44547
2001-07-29cpphash.h (struct cpp_reader): Remove import_warning.Neil Booth1-34/+20
* cpphash.h (struct cpp_reader): Remove import_warning. * cpplib.c (skip_rest_of_line): Don't bother turning off macro expansion. (parse_include): Move include handling to... (do_include_common): ... here. Move import warning from... (do_import): ... here. (do_pragma_poison): Don't do a callback for poison identifiers. * cpplib.h (struct cpp_callbacks): Don't do poison callbacks. * cppmain.c (setup_callbacks): Similarly. From-SVN: r44466
2001-07-29cppexp.c (parse_defined): Always record the macro name.Neil Booth1-17/+13
* cppexp.c (parse_defined): Always record the macro name. (lex): Don't worry about identifiers, or special-case CPP_NOT here. (_cpp_parse_expr): Figure out at the end of the routine whether we saw a valid !defined() expression. * cppfiles.c (stack_include_file): Update for mi_valid. (_cpp_pop_file_buffer): Similarly. * cpplex.c (_cpp_lex_token): Similarly. * cpphash.h (enum mi_state, enum mi_ind, mi_state, mi_if_not_defined, mi_lexed): Remove. (mi_valid): New. * cpplib.c (do_if): Simplify. (do_endif, push_conditional, _cpp_handle_directive): Update for renaming of mi_state to mi_valid. * cpp.texi: Add index entries for digraphs, and add comment that C++ refers to them as alternative tokens. From-SVN: r44459