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* cpphash.c: Fix formatting, update commentary.
(dump_definition): Take three separate arguments instead of a
MACRODEF structure argument.
* cpphash.h: Update prototype of dump_definition.
* cppinit.c (cpp_finish): Update call of dump_definition.
* cpplib.c (do_define): Always create new hash entry with
T_MACRO type. Remove redundant check for redefinition of
poisoned identifier. Update call of dump_definition.
(do_undef): Don't call check_macro_name. Rename sym_length to
len.
(do_error, do_warning): Don't use copy_rest_of_line or
SKIP_WHITE_SPACE.
(do_warning): Don't use pedwarn for the actual warning,
only the notice about its not being in the standard. (Fixes
bug with #warning in system headers.)
(do_ident): Stricter argument checking - accept only a single
string after #ident. Also, macro-expand the line.
(do_xifdef): Use cpp_defined. De-obfuscate.
(do_pragma): Split out specific pragma handling to separate
functions. Use get_directive_token. Update commentary. Do
not pass on #pragma once or #pragma poison to the front end.
(do_pragma_once, do_pragma_implementation, do_pragma_poison,
do_pragma_default): New.
From-SVN: r31931
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* cppexp.c: Don't include cpphash.h.
(parse_charconst, cpp_lex): Use cpp_defined.
(cpp_lex): Use get_directive_token throughout. Remove
unnecessary cases from switch. Move assertion-handling code
down to OTHER case.
(cpp_parse_expr): If we see '+' or '-', check the context to
determine if they are unary or binary operators. Streamline
the jumps a bit. Do not call skip_rest_of_line.
* cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
static. Export get_directive_token. Update commentary.
(cpp_defined): New function.
(do_define): Remove reference to T_PCSTRING. Call
free_definition to release memory for old definition, when
redefining a macro.
(eval_if_expression): Set only_seen_white to 0 before calling
cpp_parse_expr. Call skip_rest_of_line after it returns.
(cpp_read_check_assertion): Don't preserve a pointer into the
token buffer across a call to cpp_get_token.
* Makefile.in (cppexp.o): Don't depend on cpphash.h.
* cppfiles.c (redundant_include_p): Use cpp_defined.
* cpphash.c (free_definition): New function.
(delete_macro): Use it. Update commentary.
* cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
free_definition.
* cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
from enum node_type. Prototype cpp_defined and get_directive_token.
Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
* fix-header.c (check_macro_names): Use cpp_defined.
(read_scan_file): Set inhibit_warnings and inhibit_errors in
the options structure.
From-SVN: r31908
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* cpplib.h: Provide HASHNODE typedef and forward decl of
struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
DEFINITION, struct hashnode, struct macrodef, struct
definition, scan_decls prototype, default defn of
INCLUDE_LEN_FUDGE moved elsewhere.
* cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
definition, and struct hashnode moved here. Remove the unused
'predefined' field from struct definition. Replace the 'args'
union with its sole member. All users updated (cpphash.c).
Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
multiple include guard.
* cpphash.c (hashf): Make static; use better algorithm; drop
HASHSIZE parameter; return an unsigned int.
(cpp_lookup): Drop HASH parameter. PFILE parameter is
used. Calculate HASHSIZE modulus here.
(cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
here.
(create_definition): Drop PREDEFINITION parameter.
* cpplib.c (do_define): Don't calculate a hash value here.
Don't pass (keyword == NULL) to create_definition.
* scan.h: Prototype scan_decls here.
* cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
* cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
callers of cpp_lookup and cpp_install updated.
From-SVN: r31881
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* cpphash.c (macarg): Hoist all the flag diddling out of the
function...
(macroexpand): ... and out of the loop that calls macarg.
Skip over the initial paren before macro arguments with
cpp_get_non_space_token; point may be some distance before
that paren. Abort if it's not there.
* cpplib.c (parse_clear_mark): Delete function.
(parse_set_mark, parse_goto_mark): Make static.
(ACTIVE_MARK_P): New macro.
(skip_block_comment, skip_line_comment): Do not bump the line
if ACTIVE_MARK_P is true.
(cpp_pop_buffer): The buffer to be popped may not have an
active mark.
(cpp_get_token): When looking for the initial paren before
macro arguments, only set a mark in a file buffer, Always
return to that mark before proceeding to call macroexpand or
return a NAME token.
* cpplib.h: Remove prototypes of parse_set_mark,
parse_clear_mark, parse_goto_mark.
(struct cpp_options): Rename 'put_out_comments' to
'discard_comments' and invert its sense.
* cppinit.c, cpphash.c, cpplib.c: All users of
put_out_comments changed to use discard_comments, with
opposite sense.
From-SVN: r31879
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newline and a NUL.
* cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
ends with a newline and a NUL. Don't be so clever manipulating
strings.
From-SVN: r31864
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after a macro name.
* cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
carriage return after a macro name.
From-SVN: r31840
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* cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
cpp_pedwarn, cpp_pedwarn_with_line,
cpp_pedwarn_with_file_and_line): Move to cpperror.c.
(cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
v_cpp_error_with_line, v_cpp_warning_with_line,
cpp_message_from_errno, cpp_perror_with_name): Delete.
* cpperror.c (cpp_print_containing_files): Take starting
buffer as argument.
(cpp_file_line_for_message): Rename to cpp_print_file_and_line.
(v_cpp_message): Now called directly by all entry points.
Remove -1 case.
(cpp_pfatal_with_name, cpp_message): Delete.
(cpp_notice_from_errno, cpp_ice): New functions.
(cpp_notice): Is now for reporting error conditions, just
without an associated file.
(cpp_error, cpp_error_with_line): Don't do anything if
opts->inhibit_errors is on.
(cpp_pedwarn_with_file_and_line): Take column argument also.
* cpplib.h: Update prototypes of exported functions.
(struct cpp_options): Add inhibit_errors.
* cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
non-error messages. Include intl.h.
* cppinit.c, cppmain.c: Likewise. Also, use
cpp_notice_from_errno instead of cpp_perror_with_name or
cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
* cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
report internal errors.
* cpplib.c (do_define): Switch bcopy to memcpy.
Give cpp_pedwarn_with_file_and_line a dummy column argument.
From-SVN: r31829
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if we hit a line comment.
* cpplib.c (copy_rest_of_line): Revert previous change: don't
bail out early if we hit a line comment.
From-SVN: r31828
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off to the backslash code.
* cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
input pointer before possibly branching off to the backslash
code.
* cpphash.c (macroexpand): Correctly delete \r escapes when
stringifying parameters.
* cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
if we can; bail out early if we hit a line comment.
(handle_directive): Treat '# 123' in an .S file just like
'# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
Return 1 for '# not_a_directive'.
(get_directive_token): Pop macro buffers here, so that
cpp_get_token can't sneakily move past a newline.
Add sanity checks.
(cpp_get_token): goto randomchar if handle_directive returns 0.
From-SVN: r31819
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* cppalloc.c: Update copyright.
* cpplib.c: Merge all the static function prototypes into one
block.
* cpplib.h: Remove #if 0 block.
From-SVN: r31818
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* cpperror.c: Remove #ifdef EMACS block.
* cppmain.c: Likewise.
* cpphash.c: Remove #if 0 blocks.
* cppinit.c: Remove #if 0 blocks, and the -lint option.
* cpplib.c: Remove #if 0 blocks and code referencing
pcp_inside_if or for_lint. Remove duplicate error message.
Fix error messages for #else after #else or #elif. Reformat.
Remove archaic TODO list.
* cpplib.h: Remove pcp_inside_if and for_lint flags.
From-SVN: r31817
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* Makefile.in (c-common.o): Depend on $(EXPR_H).
* c-common.c: Include expr.h.
* c-pragma.c (mark_align_stack): Add prototype.
* caller-save.c (add_stored_regs): Likewise.
* combine.c (record_promoted_value): Likewise.
* i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
Likewise.
* cppinit.c (new_pending_define): Likewise.
* cpplib.c (skip_block_comment, skip_line_comment): Likewise.
* dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
class_scope_p): Likewise.
* dwarf2out.h (dwarf2out_set_demangle_name_func,
dwarf2out_add_library_unit_info): Likewise.
* ggc.h (ggc_page_print_statistics): Likewise.
* haifa-sched.c (propagate_deps): Likewise.
* reg-stack.c (next_flags_user, record_label_references): Likewise.
* rtl.h (set_stack_check_libfunc): Likewise.
* toplev.h (set_fatal_function): Likewise.
* toplev.c (set_fatal_function): Delete prototype.
* diagnostic.c: Deconstify functions returning malloc'ed ptrs.
From-SVN: r31810
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* cpplib.h (cpp_reader): Add new flag, no_directives.
* cpphash.c (macarg): Set it.
* cpplib.c (handle_directive): If no_directives is on and we
find a directive, issue an error and discard the line.
From-SVN: r31763
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"<command line>".
* cpperror.c (cpp_file_line_for_message): If 'line' is zero,
just print "<command line>". If 'filename' is null or an
empty string, print "<stdin>" for the filename.
* cpplib.c (do_define): Don't print the 'location of the
previous definition' message if we're still parsing the
command line.
(cpp_pedwarn_with_file_and_line): Always call
cpp_file_line_for_message.
From-SVN: r31697
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* cppinit.c (cpp_handle_option): Recognize C++ comments under
-std=gnu89.
* cpplib.c (skip_block_comment, skip_line_comment): Split code
out of...
(skip_comment) ... here. Permit C++ comments in system
headers always. Warn about C++ comments in user code under
-std=gnu89 -pedantic.
(copy_comment): Use skip_comment.
(cpp_skip_hspace, cpp_get_token): skip_comment can no longer
return EOF.
(consider_directive_while_skipping, do_else, do_endif): Call
validate_else unconditionally.
(validate_else): Check CPP_PEDANTIC here. Accept non-comment
text after the conditional in a system header.
* cpplib.h (struct cpp_buffer): Add flag
warned_cplusplus_comments.
From-SVN: r31654
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From-SVN: r31527
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* cppalloc.c: PROTO -> PARAMS.
* cpperror.c: Likewise.
* cppfiles.c: Likewise.
* cpplib.c: Likewise.
* cpplib.h: Likewise.
From-SVN: r31521
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2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
* cpplib.h (struct cpp_options): Change lang_asm to char.
Add lang_fortran.
* cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
done in cpp_handle_option now.
(initialize_builtins): Take out special case code used only by
__STDC_VERSION__.
(cpp_handle_option): Turn off trigraphs and trigraph warnings
if -traditional. Recognize -lang-fortran and set
lang_fortran, also turn off cplusplus_comments.
(print_help): Document -lang-fortran.
* cpplib.c (handle_directive): Ignore `# 123 "file"' if
lang_asm. Ignore all directives other than `# 123 "file"' if
CPP_PREPROCESSED.
(cpp_get_token): If -traditional, don't recognize directives
unless the # is in column 1.
(parse_string): If lang_fortran or lang_asm, silently
terminate strings ('' or "") at end of line.
Remove unnecessary braces.
From-SVN: r31342
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1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
* cpplib.h (struct cpp_buffer: fname, nominal_fname,
last_nominal_fname): Mark const.
(struct include_hash: name, nshort, control_macro): Mark
const.
(struct macrodef: symnam): Mark const.
(struct if_stack: fname): Mark const.
(is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
(IStable): New character-syntax array which encompasses all
the old is_foo arrays.
(is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
is_space): New macros for interrogating IStable.
(check_macro_name): Kill last argument. All callers changed.
* cppinit.c (initialize_char_syntax): Delete.
(is_idchar, is_idstart, is_hor_space, is_space,
trigraph_table): Delete.
(IStable): New. Initialize with clever macros to avoid
information duplication.
(builtin_array): Table of builtins to get rid of explicit list
in initialize_builtins.
(initialize_builtins): Use builtins_array.
(cpp_start_read): Call init_IStable, and set IStable['$'] if
opts->dollars_in_ident.
* cppexp.c: Change all refs to is_xyz[] arrays to use new
is_xyz() macros.
(cpp_parse_expr): Avoid 'format string is not constant'
warning. Use ISGRAPH to identify printable chars.
* cppfiles.c: Change all refs to is_xyz[] arrays to use new
is_xyz() macros.
(read_and_prescan): Map trigraphs to chars with open-coded
if-else-if-... sequence, not a lookup table.
* cpphash.c: Change all refs to is_xyz[] arrays to use new
is_xyz() macros.
* cpplib.c: Change all refs to is_xyz[] arrays to use new
is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
(check_macro_name): Remove ability to report an invalid
assertion name, which is never used.
(do_line): Constify a couple of char *'s.
* cppmain.c (main): Call cpp_cleanup before returning.
From-SVN: r30252
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* cpplib.c (if_directive_nameo): Add static prototype.
* cse.c (cse_insn): Remove unused variable `p'.
* except.c (create_rethrow_ref, push_entry,
receive_exception_label, new_eh_region_entry, find_func_region,
clear_function_eh_region, process_nestinfo): Add static prototypes.
(get_reg_for_handler): Hide definition.
(process_nestinfo): Initialize variable `extra_handlers'.
* expr.h (expand_builtin_longjmp): Add extern prototype.
* final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
* function.c (prepare_function_start): Likewise.
(pop_function_context_from): Mark parameter `context' with
ATTRIBUTE_UNUSED.
(push_temp_slots_for_block, flush_addressof): Hide definition.
* gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
solve_program_flow_graph, calculate_branch_probs,
function_summary, main, fancy_abort): Add prototypes.
* gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
(add_hash): Constify a char*.
* ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
* integrate.c (expand_inline_function_eh_labelmap): Likewise.
* lists.c (free_list, zap_lists): Likewise.
From-SVN: r29783
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this input for a second time.
* cpplib.c (handle_directive): Don't complain about `# NUMBER' if
we're seeing this input for a second time.
From-SVN: r29634
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1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
* cppalloc.c (xstrdup): Use memcpy.
* cpperror.c (cpp_print_containing_files): Don't use
cpp_notice.
* cpplib.c (conditional_skip): Set temp->lineno.
(do_endif): Make error message less obscure.
(if_directive_name): New function.
(cpp_get_token [case EOF]): Unwind the if stack and generate
error messages for each unterminated conditional in this file.
(parse_string): Do not behave differently if -traditional.
From-SVN: r29279
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* Makefile.in (cppexp.o): Depend on cpphash.h.
* cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
Include cpphash.h.
* cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
* cpplib.c (do_define): Generalise to handle poisoned definitions,
redefining poisoned identifiers, etc.
(do_undef): Don't allow poisoned identifiers to be undefined.
(do_pragma): Add #pragma poison.
(do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
* cccp.c: Add T_POISON node type.
(special_symbol): Handle `defined(xxx)' and plain `xxx' for
poisoned xxx.
(do_define): Generalise to handle poisoned definitions,
redefining poisoned identifiers, etc.
(do_undef): Don't allow poisoned identifiers to be undefined.
(do_pragma): Add #pragma poison.
(do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
* c-pragma.c (handle_pragma_token): Ignore #pragma poison.
* c-pragma.h: Add ps_poison state. We now always have generic
pragmas.
From-SVN: r29224
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From-SVN: r29201
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* cpperror.c (cpp_file_line_for_message): Constify a char*.
* cppexp.c (parse_number, parse_charconst, cpp_lex,
cpp_parse_expr): Add static prototypes.
(parse_charconst): Don't cast away const-ness.
(token): Constify a char*.
* cppfiles.c (file_name_list, include_hash, find_include_file,
finclude, initialize_input_buffer): Constify a char*.
(file_cleanup, find_position): Add static prototypes.
* cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
collect_expansion): Add static prototypes.
(cpp_install, create_definition, monthnames): Constify a char*.
* cpphash.h (cpp_install): Likewise.
* cppinit.c (known_suffixes, default_include,
dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
(base_name, dump_special_to_buffer, initialize_dependency_output):
Add static prototypes.
* cpplib.c (my_strerror): Constify a char*.
(null_underflow, null_cleanup, skip_comment, copy_comment,
copy_rest_of_line, handle_directive, pass_thru_directive,
get_directive_token, read_line_number, cpp_print_file_and_line,
v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
v_cpp_warning_with_line, detect_if_not_defined,
consider_directive_while_skipping): Add static prototypes.
(pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
cpp_pedwarn_with_file_and_line): Constify a char*.
* cpplib.h (cpp_options, include_hash, progname, definition,
cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
find_include_file, deps_output, include_hash): Constify a char*.
* cppmain.c (progname): Constify.
(main): Add prototype. Use return, not exit.
* fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
recognized_macro, check_macro_names, read_scan_file, write_rbrac,
inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
check_protection): Add static prototype.
(xfree): Remove.
(progname, recognized_macrom, recognized_extern): Constify a char*.
(main): Add prototype.
* gen-protos.c (progname): Constify a char*.
From-SVN: r29171
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prototype.
1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
* cpplib.c (struct directive): Const-ify name pointer and
function pointer prototype.
(validate_else, do_define, do_line, do_include, do_undef,
do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
do_elif, do_endif, do_sccs, do_assert, do_unassert,
do_warning): Const-ify second arg.
(directive_table): Mark const. Reorder entries by frequency
of usage, record statistics.
From-SVN: r29009
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1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
* cpplib.c (detect_if_not_defined): New function.
(do_if): Use it to detect potential once-only headers.
From-SVN: r28877
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* cpplib.c (read_line_number): New fn, split out of...
(do_line): Here.
From-SVN: r28707
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* builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
prototypes in macro HAVE_cmpstrsi.
* cpplib.c (cpp_get_token): Remove unused label `op3'.
* emit-rtl.c (operand_subword): Remove unused variable
`bits_per_word'.
* rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
* tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
From-SVN: r28514
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before.
Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
* cpphash.c (macroexpand): Delete leading whitespace when arg
is concatenated before.
(unsafe_chars): Correct test for whether + and - can extend a
token.
* cppinit.c (cpp_start_read): Do dependencies for
-include/-imacros files also.
* cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
tokenizing non-directive lines.
(cpp_expand_to_buffer): Temporarily disable no-output mode.
* cppmain.c: In no-output mode, just call cpp_scan_buffer for
the input file.
From-SVN: r28512
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manual_pop set.
* cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
has manual_pop set.
From-SVN: r28275
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* gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
* toplev.c (documented_lang_options): Add -fpreprocessed.
* cpplib.h (struct cpp_buffer): Add preprocessed.
* cppinit.c (cpp_handle_option): Handle -fpreprocessed.
(cpp_start_read): Don't expand macros or emit an initial #line
directive if -fpreprocessed.
* cpplib.h (struct cpp_buffer): Added manual_pop for
better C++ tokenization.
* cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
Also, support C++ tokenization for ->*, .*, <?, and >? operators.
* c-common.c (cpp_token): Make non-static.
From-SVN: r28190
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Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
* cpplib.c (do_define): Cast `alloca' return value.
(do_include, do_undef, do_pragma): Likewise.
* cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
values.
* cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
* gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
From-SVN: r27391
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1999-04-26 19:16 -0400 Zack Weinberg <zack@rabi.columbia.edu>
* cpphash.c (dump_definition): New function.
* cpphash.h: Prototype it.
* cpplib.c (handle_directive): Don't output anything here.
Streamline.
(pass_thru_directive): Take a length, not a pointer to the
end. All callers changed.
(do_define): Handle -dD, -dN, -g3 entirely here. Streamline.
(do_include): Handle -dI here.
(do_ident): Correct to match cccp.
(do_pragma): Copy the pragma through here.
(do_assert, do_unassert): Tidy.
* cppinit.c (cpp_finish): If -dM was specified, walk the macro
hash table and call dump_definition on all the entries.
* cppmain.c: cpp_finish may produce output.
From-SVN: r26659
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1999-04-19 14:51 -0400 Zack Weinberg <zack@rabi.columbia.edu>
* cpplib.c (output_line_command): Drop CONDITIONAL argument.
We can omit unnecessary line commands if file_change ==
same_file and pfile->lineno != 0. All callers changed.
(cpp_get_token [case '\n']): Don't bump pfile->lineno if
CPP_OPTIONS (pfile)->no_line_commands is set.
* cpplib.h: Fix prototype of output_line_command.
From-SVN: r26547
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1999-04-14 12:37 -0400 Zack Weinberg <zack@rabi.columbia.edu>
* cpperror.c, cppexp.c, cpplib.c: Never call abort.
* cpphash.c: Only call abort when we detect corruption of the
malloc arena.
* cppmain.c: Don't define fatal or fancy_abort.
From-SVN: r26442
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buffers '\r', not '@'.
1999-04-12 14:55 -0400 Zack Weinberg <zack@rabi.columbia.edu>
* cpphash.c (collect_expansion, macroexpand,
push_macro_expansion): Make the escape character in macro
buffers '\r', not '@'. Remove code to protect literal
occurences of the escape character; '\r' cannot appear
in a macro buffer unless we put it there.
* cpplib.c (skip_comment, copy_comment, cpp_skip_hspace,
copy_rest_of_line, cpp_get_token, parse_string,
parse_assertion): '\r' might be a backslash-newline marker, or
it might be a macro escape marker, depending on
CPP_BUFFER (pfile)->has_escapes. '@' is not a special
character.
* cpplib.h: Update commentary.
From-SVN: r26371
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* cccp.c (create_definition): Cast to U_CHAR* when assigning to one.
* cppfiles.c (read_and_prescan): Likewise.
Start a #define in column 0.
* cpplib.c (cpp_define): Cast to U_CHAR* when assigning to one.
(cpp_push_buffer): Likewise for cpp_buffer*.
(do_include): Change the type of `fbeg' and `fend' to unsigned char*.
(do_endif): Cast to char* when assigning to one.
(do_assert): Likewise.
(do_unassert): Likewise.
(cpp_read_check_assertion): Change the type of `name' to U_CHAR*.
Don't do unnecessary cast to char* anymore.
* genrecog.c (make_insn_sequence): Cast to char** when assigning
to one. Cast the first argument of bzero to PTR.
* loop.c (strength_reduce): Remove unused variable `note'.
* reload1.c (new_insn_chain): Cast to struct insn_chain* when
assigning to one.
* rtl.c (copy_rtx): Use memcpy instead of bcopy.
From-SVN: r25860
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otherwise appear in the processed...
1999-03-16 16:06 -0500 Zack Weinberg <zack@rabi.columbia.edu>
* cppfiles.c (read_and_prescan): Map backslash-newline to '\r'
(which cannot otherwise appear in the processed buffer) and
move it out of tokens that it appears in the middle of.
Improve performance.
(find_position): New function.
* cpplib.c: \r (one character) indicates backslash
newline, not \\\n (two characters). It cannot appear in the
middle of a token. Call CPP_BUMP_LINE (pfile) whenever
parsing moves past \n or \r. Increment pfile->lineno whenever
a \n is placed into token_buffer. Only one mark can exist at
a time, and CPP_BUMP_LINE must not be used while it is
active. It is automatically cleared by cpp_pop_buffer and
parse_goto_mark. \r is not in is_hor_space or is_space.
(NEWLINE_FIX, NEWLINE_FIX1, adjust_position,
update_position, count_newlines, parse_move_mark): Removed.
(parse_string, copy_comment): New functions.
(parse_name): Returns void.
(parse_set_mark, parse_clear_mark, parse_goto_mark): Take only
one argument, a cpp_reader *. Change for new marking scheme.
(skip_comment): Handle CHILL line comments too. Second
argument is now first character of comment marker; all callers
changed. Issue error for unterminated block comment here.
(cpp_skip_hspace): Recognize CHILL comments.
(copy_rest_of_line): Likewise. Call skip_comment and
parse_string directly, don't go through cpp_get_token. Emit
"/**/" for block comments if -traditional (create_definition
needs this).
(do_define): Don't play with put_out_comments.
(cpp_push_buffer): Initialize ->mark to -1.
(cpp_buf_line_and_col): Just read out the values in the buffer
structure.
(output_line_command): Use cpp_buf_line_and_col. Fix
formatting. Remove stale code.
(cpp_get_token): Break out string parsing code to
parse_string. Use skip_comment for CHILL comments too. Use
copy_comment for put_out_comments instead of dinking with
marks. Remove stale code. Don't call output_line_command
unless it's necessary.
* cpplib.h (parse_marker): Removed.
(struct cpp_buffer): line_base is now a unsigned char *; add
`mark' [long], remove `marks' [struct parse_marker *].
(parse_set_mark, parse_clear_mark, parse_goto_mark): Update
prototypes.
(CPP_BUMP_LINE, CPP_BUMP_BUFFER_LINE): New macros.
* cppinit.c (is_hor_space, is_space): '\r' is not considered
whitespace.
* cppexp.c (cpp_parse_expression): Use cpp_skip_hspace, not
SKIP_WHITE_SPACE.
* cpphash.c (macarg): Disable line commands while expanding.
From-SVN: r25802
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1999-03-15 21:39 -0500 Zack Weinberg <zack@rabi.columbia.edu>
* cppinit.c: Instead of one pending list, keep separate lists
for each category of pending option: -D/-U, -A, -include,
-imacros. Move the four partial include-path lists into the
pending block. Use head and tail pointers so we don't ever
have to reverse the lists.
(cpp_start_read): Break out blocks of code to their own
functions: install_predefs and initialize_dependency_output.
Use path_include for C_INCLUDE_PATH and friends as well as
CPATH. Remove include_defaults gunk. Warn about the
combination of -lang-chill and -trigraphs. Optimize string
bashing. Walk each pending list once, deallocating as we go.
(append_include_chain): Brought over from cppfiles.c. Mark
dirs as system include dirs if and only if appending to
system include path. If opts->verbose, print a notice when a
dir is dropped from the include path because it doesn't
exist. Fix memory leak: this function is not supposed to copy
its DIR argument.
(nreverse_pending, push_pending): Removed.
(APPEND): New macro for adding to pending lists.
(path_include): Can now add to any partial include path.
(base_name): Bring over from cccp.c.
(cpp_options_init): Allocate the pending block.
(cpp_handle_option): Add --version. Exit after --help. Fix
formatting. Order -ifoo options by frequency of usage.
(install_predefs): New function, simplified version of code
that was in cpp_start_read.
(initialize_dependency_output): Likewise. Understand OBJECT_SUFFIX.
* cppfiles.c (simplify_pathname): Export.
(merge_include_chains): Don't nreverse the lists. If
opts->verbose, print a notice when a duplicate dir is detected
and dropped from the include path.
(finclude): Fix excessive cleverness in setting
fp->system_header_p.
(actual_directory): Set x->sysp from
CPP_BUFFER (pfile)->system_header_p so that one system header
may include another with "".
(deps_output): Fix double adjustment of deps_size which would
cause all dependencies after the first two lines to be lost.
* cpplib.c (cpp_unassert): New function.
* cpplib.h: Lay out struct cpp_pending here. Adjust
prototypes. Add include_prefix_len to struct cpp_options.
From-SVN: r25793
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* Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
scan-decls.o): Don't depend on machmode.h.
* cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
* cppfiles.c: Likewise.
* cpplib.c: Likewise.
* cpplib.h: Likewise. Also don't include machmode.h anymore.
From-SVN: r25446
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1999-02-25 17:14 -0500 Zack Weinberg <zack@rabi.columbia.edu>
* cpphash.c (install): Rename to cpp_install, add cpp_reader*
first argument. All callers changed.
(hashtab): Removed.
(cpp_lookup, cpp_install): Change all refs to hashtab to
pfile->hashtab.
(cpp_hash_cleanup): Removed.
* cpphash.h: Adjust prototypes.
* cpplib.h (struct cpp_reader): Add hashtab pointer.
* cppinit.c (cpp_reader_init): Also allocate space for the
hashtab.
(cpp_cleanup): Delete all macros and free the hashtab.
From-SVN: r25441
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1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu>
* cpplib.c: Kill define of STDC_VALUE. Don't include output.h
or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
macro_cleanup.
(GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
cpp_pending, version_string, struct default_include,
include_defaults_array, path_include, cpp_options_init,
dump_special_to_buffer, initialize_builtins, cpp_start_read,
cpp_reader_init, nreverse_pending, push_pending, print_help,
cpp_handle_option, cpp_handle_options, cpp_finish,
cpp_cleanup): Move to cppinit.c.
(macro_cleanup, struct arglist, collect_expansion,
create_definition, compare_defs, comp_def_part, ARG_BASE,
struct argdata, macarg, change_newlines, timestamp,
monthnames, special_symbol, unsafe_chars, macroexpand,
push_macro_expansion): Move to cpphash.c.
(quote_string, check_macro_name, cpp_expand_to_buffer,
output_line_command, cpp_undef): Export.
(null_underflow, null_cleanup, handle_directive): Make static.
* cpplib.h: Prototype now-exported functions. Adjust decls of
syntax tables so we can include cpplib.h in cppinit.c.
* cpphash.h: Prototype all functions exported by cpphash.c.
* cppinit.c: Make syntax tables initialized data if possible
(uses GCC designated-initializer extension).
* cppexp.c: Make cpp_lex static.
* Makefile.in: Move -D switches for the various include dirs
from cpplib.o rule to cppinit.o rule. Adjust dependencies.
From-SVN: r25287
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1999-02-15 16:59 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
* c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
* c-lex.c: Likewise.
* cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
list in malloced memory for the buffer stack.
(cpp_get_token): Don't pop the last buffer off the stack.
Calls after CPP_EOF has been returned produce CPP_EOF with no
state change.
(cpp_finish): Pop last buffer here.
(do_line): Don't free ip->last_nominal_fname if it is equal to
ip->fname.
(special_symbol): If a T_CONST is the empty string, push a
single `@ ' escape instead.
(macroexpand): Special symbol buffers have escapes too.
* cpplib.h (struct cpp_buffer): Remove unused fields, add prev
buffer pointer.
(struct cpp_reader): Remove buffer_stack. Add
buffer_stack_depth.
(CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
linked list.
From-SVN: r25218
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than individual case statements.
* cpplib.c (special_symbol): Move IP to be declared in function
scope, rather than individual case statements.
fixes building under solaris
From-SVN: r25112
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1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
* cpplib.c (do_define): Allow redefining __STDC__ with -D.
From-SVN: r25109
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1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
* cpplib.c (special_symbol): Rewrite. Don't copy things
multiple times. Handle __STDC__ specially. T_CONST
indicates a constant /string/. Don't handle T_*_TYPE and
T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
adjust_position. Determine the file buffer only if needed.
(initialize_builtins): Handle __SIZE_TYPE__,
__PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
__REGISTER_PREFIX__ with T_CONST special hashtab entries.
Don't provide __OBJC__; the driver does that. Provide
__STDC_VERSION__, using T_CONST. Use T_STDC for
__STDC__. Give install the length of all symbols defined.
(eval_if_expression): Drop code to insert and remove the
"defined" special symbol.
* cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
* cpphash.c (install): Drop the `ivalue' parameter. Constify
the `value' parameter. All callers changed.
* cpphash.h (install): Change prototype to match.
(union hashval): Remove `ival' member.
* cppexp.c (cpp_lex): Handle `defined' here.
From-SVN: r25097
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1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
* cpplib.c (initialize_char_syntax): Move to cppinit.c.
(cpp_define): Remove redundant syntax checks.
(make_assertion): Rename cpp_assert, remove redundant syntax
checks, export.
(cpp_options_init): Don't init things to zero twice.
(cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
(do_include): Kill excessively verbose import warning that
snuck back in in the gcc2 merge.
(convert_string): Removed.
(do_line): Rewrite with simple last-name-used cache instead of
private hashtable.
(cpp_start_read): Call initialize_char_syntax here, not...
(cpp_reader_init): ...here.
(cpp_handle_options): Support the -std switch.
* cpplib.h (cpp_buffer): Add last_nominal_fname member.
(cpp_options): Add c9x flag.
Declare all the is_* tables and trigraph table here, as const.
Prototype cpp_assert and initialize_char_syntax.
* cppinit.c: New file.
* cppfiles.c (read_and_prescan): Optimize.
* Makefile.in (LIBCPP_OBJS): Add cppinit.o.
From-SVN: r25024
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* collect2.c (error): Fix typo in declaration.
* cpperror.c (cpp_message): Likewise.
* cpplib.c (cpp_warning): Likewise.
* cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
ATTRIBUTE_PRINTF_1.
* toplev.c (error): Fix typo in declaration.
From-SVN: r24904
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details.
From-SVN: r24879
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