* cppinit.c (cpp_finish): Pop the final buffer without comment.
* cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
take care to avoid multiple no-newline at EOF warnings in that
case.
From-SVN: r44701
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
* 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
* 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
* cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
* cpplex.c (handle_newline): Update prototype. Maintain logical
line number.
(skip_escaped_newlines, skip_block_comment, parse_string):
Update accordingly.
(_cpp_lex_token): Update, and store token position within the token.
* cpplib.h (struct cpp_token): Add line and column entries.
* cppmacro.c (replace_args): Position stringified tokens correctly.
From-SVN: r44533
* 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
* cpp.texi: Update for handling of charconsts.
* cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
diagnostics. Skip to the end if the UCS is too short.
(cpp_interpret_charconst): Long charconsts issue a warning
not an error.
* gcc.dg/cpp/charconst.c: New tests.
* gcc.dg/cpp/escape.c: New tests.
* gcc.dg/cpp/escape-1.c: New tests.
* gcc.dg/cpp/escape-2.c: New tests.
* gcc.dg/cpp/ucs.c: New tests.
From-SVN: r42514
* c-lex.c (read_escape, read_ucs): Delete.
(lex_string): Use cpp_parse_escape.
* cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
if not C++ or not C99. Warn if traditional.
(parse_escape): Rename cpp_parse_escape. Make the bitmask
unsigned. Warn for out-of-range escape sequences here.
Update to use maybe_read_ucs.
(cpp_interpret_charconst): Don't warn here.
* cpplib.h (cpp_parse_escape): New exported function.
From-SVN: r42509
* c-lex.c (lex_charconst): Convert into a simple wrapper
around cpp_interpret_charconst, to which most of the code
body is moved.
* cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
(lex): Use cpp_interpret_charconst.
* cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
hex_digit_value): New functions.
(MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
* cpplib.h (cpp_interpret_charconst): New prototype.
* Makefile.in: Update.
From-SVN: r41978
* c-parse.in (yylexname): New function, split out of _yylex.
(objc_rid_sans_at): New table.
(init_reswords): Initialize it.
(_yylex): Give labels clearer names. Handle CPP_ATSIGN by
retrieving the next token and checking it for significance as
an ObjC keyword or string constant.
* cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
* cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
* c-lex.c, c-parse.in, cppmacro.c, cpplex.c, cp/spew.c: Remove
references to CPP_OSTRING.
From-SVN: r40279
* cpplex.c (_cpp_lex_token): Don't warn about directives in
macro arguments when looking for the '('.
* cppmacro.c (funlike_invocation_p): Set parsing_args to
2 when really parsing arguments; 1 when looking for '('.
Always restore the lexer position.
* gcc.dg/cpp/cppmacro7.c: New test.
From-SVN: r40223
* cpplib.c (_cpp_init_stacks): Cast enum for comparison.
* cppexp.c (lex): Cast enums for comparison.
* cppinit.c (parse_option): Cast enum for comparison.
* cpplex.c (cpp_spell_token): Cast enums to int for minus.
(cpp_output_token): Likewise.
(cpp_can_paste): Cast enums for comparsion and plus/minus.
(cpp_avoid_paste): Cast enums for minus and comparison.
From-SVN: r40174
* cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
: Don't set fe_value.
* cpplib.h (AVOID_LPASTE): New flag.
(struct cpp_hashnode): Remove fe_value.
* cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
* cppmacro.c (builtin_macro): Don't set flags here.
(replace_args): Set AVOID_LPASTE flag on first token of an
argument, and the token following it.
(cpp_get_token): Set AVOID_LPASTE flag on first token of a
macro expansion, and on the token following it. Do it for
builtins too.
* cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
From-SVN: r39318
* cppfiles.c (NEVER_REREAD, DO_NOT_REREAD): Move from cpphash.h.
* cpphash.h (NEVER_REREAD, DO_NOT_REREAD, ABSOLUTE_PATH): Delete.
* cpplex.c (parse_identifier): Improve diagnostic.
(_cpp_lex_token): Return unconditionally at the end of a directive.
* cpplib.c (read_flag): Verify legality of each flag.
(end_directive): Resotre pfile->skipping before skip_rest_of_line.
(do_line): Use the new read_flag.
* cppmacro.c (struct cpp_macro, parse_arg, replace_args,
check_macro_redefinition, parse_params): Rename var_args to
variadic.
From-SVN: r38150
* cppinit.c (initialize): Forgotten prototype.
* cpplex.c (_cpp_lex_token): Loop until not skipping.
Always clear PREV_WHITE upon meeting a new line.
* cpplib.c (end_directive): Set pfile->skipping after
skip_rest_of_line.
* cpplib.h (cpp_reader): Remove macro_pos.
* cppmacro.c (cpp_get_line): Don't do anything special inside
macros.
(parse_arg): Add PREV_WHITE if a token appears after new lines.
(funlike_invocation_p): Save and restore the output position
over a successful check for a '('.
(enter_macro_context): Delete uses of macro_pos.
(cpp_get_token): Don't use pfile->skipping.
From-SVN: r37927
* cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
cases return without MI check.
* cpplib.c (do_diagnostic): Take boolean of whether to
print the directive name.
(do_error, do_warning): Update.
(do_pragma_dependency): Use it.
* cpplib.h (VARARGS_FIRST): Delete.
(struct cpp_token): Delete integer.
* cppmacro.c (enter_macro_context): Move disabled check
to _cpp_get_token.
(_cpp_get_token): Simplify into a single loop.
From-SVN: r37434
* cppexp.c: Don't worry about pfile->skipping.
* cpplib.c (struct if_stack): Make was_skipping unsigned char.
(cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
for handled directives.
(skip_rest_of_line): Use _cpp_lex_token after popping contexts
and releasing lookaheads.
(do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
(do_else, do_elif, push_conditional): Update logic.
(do_endif): Set buffer->was_skipping rather than pfile->skipping.
(unwind_if_stack): Inline into cpp_pop_buffer.
(cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
* cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
multiple-include optimisation.
* cpplib.h (struct cpp_buffer): New member was_skipping.
* cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
works because skipping == 0 in directives.
(_cpp_release_lookahead): Renamed from release_lookahead.
(cpp_get_token): No need to check skipping as _cpp_get_token does
this for us. No need to handle MI optimisation.
From-SVN: r37404
* cpphash.c: Move cpp_defined here from cpplib.c.
* cpplib.c: Update comments, move cpp_defined to cpphash.c.
* cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
* cppmacro.c (cpp_get_token): Update comments, no need now
to catch the CPP_EOF meaning EOL case.
From-SVN: r37345
* cpplex.c (_cpp_lex_token): Handle directives directly.
In the case of a directive interrupting a function-like
macro invocation, use extra_char since read_ahead is
used to store the '#'. Return a CPP_EOF in this case.
* cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
(cpp_get_token): Don't handle directives here.
* cpplib.h: Remove CPP_DHASH token type.
From-SVN: r37329
* cppfiles.c (stack_include_file): Check for stacked contexts
here.
* cpphash.h (_cpp_do__Pragma): New prototype.
* cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
* cpplex.c (skip_escaped_newlines): Only process trigraphs and
escaped newlines if !(buffer->from_stage3).
(_cpp_lex_token): Warn about missing newlines iff
!buffer->from_stage3.
* cpplib.c (get__Pragma_string, destringize,
_cpp_do__Pragma): New functions.
(run_directive): Set output_line for _Pragma to avoid line
markers in output. Set from_stage3 and prevent macro expansion
for _Pragma and command-line options. Check buffer exhaustion.
(cpp_push_buffer): Don't check for stacked macro contexts, as
this is perfectly legitimate for _Pragma. Move the check to
stack_include_file instead. Set from_stage3 iff buffer is
preprocessed input.
* cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
unsigned. New boolean from_stage3.
(struct spec_nodes): Add n__Pragma.
* cppmacro.c (enter_macro_context): Flip sense of return value.
(_cpp_get_token): Handle _Pragma operator.
From-SVN: r37147
2000-10-28 Neil Booth <neilb@earthling.net>
New macro expander.
* cpplib.c (struct answer): New.
(struct if_stack): Use cpp_lexer_pos rather than line and col.
Rename cmacro mi_cmacro.
(struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
IN_I): New directive and flags.
(skip_rest_of_line, check_eol, run_directive, glue_header_name,
parse_answer, parse_assertion, find_answer): New functions.
(parse_ifdef, detect_if_not_defined, validate_else): Remove.
(lex_macro_node): New function to replace parse_ifdef and
get_define_node.
(_cpp_handle_directive): New function, combines _cpp_check_directive
and _cpp_check_linemarker.
(do_define, do_undef, parse_include, do_include, do_import,
do_include_next, read_line_number, do_line, do_ident, do_pragma,
do_pragma_once, do_pragma_poison, do_pragma_dependency):
Update for new token getting interface.
(do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
: Update for new multiple-include optimisation technique.
(do_elif): Don't forget to invalidate controlling macros.
(unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
(parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
Functions to handle assertions with the new token interface.
(do_assert, do_unassert): Use them.
(cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
Use run_directive.
(_cpp_init_stacks): Register directive names. Don't register special
nodes.
* cpperror.c (print_containing_files, _cpp_begin_message): Update to
new position recording regime.
(cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
(cpp_type2name): Move to cpplex.c.
* cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
(parse_defined): Update to handle new multiple include optimisation
method. Remove poisoned identifier warning.
(parse_assertion, TYPE_NAME): Delete.
(lex): Update for multiple include optimisation, removal of
CPP_DEFINED, to use _cpp_test_assertion for assertions and
cpp_token_as_text.
(_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
(op_as_text): New function, to wrap cpp_token_as_text.
* cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
Update for MI optimisation.
(_cpp_execute_include): Take a token rather than 3 arguments. Fix
segfault on diagnostic.
(_cpp_compare_file_date): Take a token rather than 3 args.
(cpp_read_file): Work correctly for zero-length files.
* cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
_cpp_init_hashtable and _cpp_cleanup_hashtable.
(cpp_lookup): Place identifiers at front of identifier pool
for _cpp_lookup_with_hash.
(_cpp_lookup_with_hash): Require identifiers to be at the front of
the identifier pool. Commit the memory if not already in the
hash table.
* cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
Initialise various members of cpp_reader, memory pools, and the
special nodes.
(cpp_printer_init): Delete.
(cpp_cleanup): Update.
(struct builtin, builtin_array, initialize_builtins): Update for new
hashnode definition and builtin handling.
(cpp_start_read, cpp_finish): Don't take or initialise a
printer. Update.
* cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
(struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
struct toklist, struct cpp_context, struct specnodes,
TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
enum builtin_type, cpp_can_paste): New.
(struct cpp_token): Delete line and col members.
(struct cpp_buffer): New member output_lineno.
(struct lexer_state): Delete indented, in_lex_line, seen_dot.
Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
(struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
base_context, context, directive, mi_state, mi_if_not_defined,
mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
mlstring_pos, macro_buffer, macro_buffer_len.
Delete members mls_line, mls_column, token_list, potential_control_macro,
temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
context_cap, cur_context, no_expand_level, paste_level, contexts, args,
save_parameter_spellings, need_newline, .
Change type of date, time and spec_nodes members.
Change prototypes for include and ident callbacks.
(struct cpp_hashnode): Change type of name. Remove union members
expansion and code. Add members macro, operator and builtin.
(cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
cpp_stop_lookahead): New prototypes.
(cpp_printer_init, cpp_dump_definition): Delete prototypes.
(U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
Move from cpphash.h.
* cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
ufputs): Move to cpplib.h.
(enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
_cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
_cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
_cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
_cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
_cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
_cpp_parse_assertion, _cpp_find_answer): Delete.
(VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
_cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
_cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
_cpp_handle_directive, DSC): New.
(struct include_file): New member defined.
(DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
_cpp_compare_file_date): Update.
(_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
(_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
_cpp_cleanup_hashtable.
* Makefile.in: Remove cppoutput.c.
* cppoutput.c: Delete
* fixheader.c (read_scan_file): Update for new cpp_get_token
prototype.
(recognized_function): New argument LINE.
* scan-decls.c (skip_to_closing_brace, scan_decls): Update for
new cpp_get_token prototype.
* scan.h (recognized_function): Update prototype.
* po/POTFILES.in: Remove cppoutput.c.
From-SVN: r37098
* cpperror.c (_cpp_begin_message): Do the test for suppression
of warnings and pedantic warnings before the "is a warning an
error" tests.
* cppinit.c (cpp_handle_option): Remove surplus \n.
* cpplex.c (ON_REST_ARG): Delete.
(skip_block_comment): Initialise prevc.
(parse_args): Improve error messages.
(maybe_paste_with_next): Use CONTEXT_VARARGS rather
than ON_REST_ARG.
* cpplib.c (cpp_push_buffer): Fix grammar in message.
* cppmain.c (main): Set callbacks for #ident and #pragma
only if no_output option is false.
(do_pragma_implementation): Only call the #pragma handler
if it is set in the cpp_reader structure.
From-SVN: r36655
* cpplex.c (parse_args): Don't set VOID_REST flag.
(Fix diagnostic merge problem).
(CONTEXT_VARARGS): New flag.
(maybe_paste_with_next): Set context earlier in loop. Use
it. Do varargs test with CONTEXT_VARARGS flag.
(push_arg_context): Set CONTEXT_VARARGS flag if we're
pushing an argument context for a varargs argument.
* cpplib.h (VOID_REST): Delete.
* gcc.dg/cpp/vararg1.c: Add test case.
From-SVN: r36638
2000-09-25 Branko Cibej <branko.cibej@hermes.si>
* flags.h: Declare warning flag warn_system_headers.
* toplev.c: Define it.
(W_options): Add option -Wsystem-headers.
* diagnostic.c (count_error): Test warn_system_headers.
* invoke.texi: Add description for -Wsystem-headers.
* cpplib.h (cpp_options): New member warn_system_headers.
* cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
CPP_IN_SYSTEM_HEADER.
* cpplib.c (do_import, do_pragma_once): Likewise.
* cpperror.c (_cpp_begin_message): Test warn_system_headers
and CPP_IN_SYSTEM_HEADER.
* cppinit.c (handle_option): Recognize -Wsystem_headers.
(print_help): Describe -Wsystem_headers.
* cpplex.c (lex_line): Reorganize condition so that warnings
about C++ comments in system headers can be enabled. Remove
label do_line_comment.
From-SVN: r36636
