Paul Eggert [Thu, 26 Dec 2002 22:10:52 +0000 (22:10 +0000)]
(conflicts_print): If the user specifies "%expect N", report an error
if there are any reduce/reduce conflicts. This is what the manual
says should happen. This fixes Debian bug 130890, reported by Anthony
DeRobertis.
Paul Eggert [Thu, 26 Dec 2002 09:12:05 +0000 (09:12 +0000)]
Don't use m4_include on relative file names, as it doesn't work.
Remove obsolete references to bison.simple and bison.hairy.
* src/getargs.c (getargs) [MSDOS]: Don't assume optarg != NULL.
* src/parse-gram.y (declaration): Use enum "report_states".
* src/scan-skel.l ("@output ".*\n): Close any old yyout before new one.
Paul Eggert [Thu, 26 Dec 2002 08:25:56 +0000 (08:25 +0000)]
(output_skeleton): Use full path names when
specifying a file to include; don't rely on include path, as
it's unreliable when the working file contains a file with
that name.
Paul Eggert [Tue, 24 Dec 2002 07:47:36 +0000 (07:47 +0000)]
If the user does not define YYSTYPE as a macro, Bison now declares it
using typedef instead of defining it as a macro. POSIX requires this.
For consistency, YYLTYPE is also declared instead of defined.
%union directives can now have a tag before the `{', e.g., the
directive `%union foo {...}' now generates the C code
`typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility.
The default union tag is `YYSTYPE', for compatibility with Solaris 9
Yacc. For consistency, YYLTYPE's struct tag is now `YYLTYPE'
instead of `yyltype'.
`yystype' and `yyltype' are now obsolescent macros instead of being
typedefs or tags; they are no longer documented and will be
withdrawn in a future release.
Paul Eggert [Tue, 24 Dec 2002 07:46:49 +0000 (07:46 +0000)]
(handle_dollar, handle_at): Now takes int
token_type, not braced_code code_kind. All uses changed.
(SC_PRE_CODE): New state, for scanning after a keyword that
has (or usually has) an immediately-following braced code.
(token_type): New local var, to keep track of which token type
to return when scanning braced code.
(<INITIAL>"%destructor", <INITIAL>"%lex-param",
<INITIAL>"%parse-param", <INITIAL>"%printer,
<INITIAL>"%union"): Set token type and BEGIN SC_PRE_CODE
instead of returning a token type immediately.
(<INITIAL>"{"): Set token type.
(<SC_BRACED_CODE>"}"): Use it.
(handle_action_dollar, handle_action_at): Now returns bool
indicating success. Fail if ! current_rule; this prevents a core dump.
(handle_symbol_code_dollar, handle_symbol_code_at):
Remove; merge body into caller.
(handle_dollar, handle_at): Complain in invalid contexts.
Paul Eggert [Tue, 24 Dec 2002 07:44:40 +0000 (07:44 +0000)]
(add_param): 2nd arg is now char * not char
const *, since it is now modified by stripping surrounding { }.
(current_braced_code): Remove.
(PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_UNION,
PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Change names to include
trailing " {...}". Now of type <chars>.
(grammar_declaration): Adjust to bundled tokens.
(code_content): Remove; stripping is now done by add_param.
(print_token_value): Print contents of bundled tokens.
(token_name): New function.
Paul Eggert [Tue, 24 Dec 2002 07:43:43 +0000 (07:43 +0000)]
If the user does not define YYSTYPE as a macro, Bison now declares it
using typedef instead of defining it as a macro. POSIX requires this.
For consistency, YYLTYPE is also declared instead of defined.
%union directives can now have a tag before the `{', e.g., the
directive `%union foo {...}' now generates the C code
`typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility.
The default union tag is `YYSTYPE', for compatibility with Solaris 9
Yacc. For consistency, YYLTYPE's struct tag is now `YYLTYPE'
instead of `yyltype'.
`yystype' and `yyltype' are now obsolescent macros instead of being
typedefs or tags; they are no longer documented and will be
withdrawn in a future release.
Paul Eggert [Tue, 24 Dec 2002 07:41:47 +0000 (07:41 +0000)]
(b4_location_type): Remove.
(YYSTYPE): Renamed from yystype.
(YYSTYPE_IS_DECLARED): New macro, used to prevent double-typedef.
(struct YYLTYPE): Renamed from struct yyltype.
(YYLTYPE): Renamed from yyltype.
(yyltype, yystype): New (and obsolescent) macros,
for backward compatibility.
(YYSTYPE): Declare as union YYSTYPE if the user
does not specify a union tag. This is for compatibility with
Solaris 9 yacc.
Paul Eggert [Tue, 24 Dec 2002 07:40:58 +0000 (07:40 +0000)]
(b4_location_type): Remove.
(YYSTYPE): Renamed from yystype.
(YYSTYPE_IS_DECLARED): New macro, used to prevent double-typedef.
(struct YYLTYPE): Renamed from struct yyltype.
(YYLTYPE): Renamed from yyltype.
(yyltype, yystype): New (and obsolescent) macros,
for backward compatibility.
Paul Eggert [Tue, 24 Dec 2002 07:40:14 +0000 (07:40 +0000)]
* If the user does not define YYSTYPE as a macro, Bison now declares it
using typedef instead of defining it as a macro. POSIX requires this.
For consistency, YYLTYPE is also declared instead of defined.
* %union directives can now have a tag before the `{', e.g., the
directive `%union foo {...}' now generates the C code
`typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility.
The default union tag is `YYSTYPE', for compatibility with Solaris 9 Yacc.
For consistency, YYLTYPE's struct tag is now `YYLTYPE' instead of `yyltype'.
* `yystype' and `yyltype' are now obsolescent macros instead of being
typedefs or tags; they are no longer documented and will be
withdrawn in a future release.
Paul Eggert [Sun, 15 Dec 2002 09:20:24 +0000 (09:20 +0000)]
Undo most of the 2002-11-12 yychar -> yytoken patch, as it broke
GCC 3.2.1 (which depends on yychar == YYEMPTY when there is no
lookahead symbol, and which sets yychar in parser actions) and it
disagreed with the Bison documentation. This should fix the bug
reported by Andrew Walrond in
<http://mail.gnu.org/pipermail/bug-bison/2002-December/001949.html>.
(YYTRANSLATE): Don't check for negative argument,
as the caller now does that.
(yyclearin, YYBACKUP, yyparse): Use yychar, not yytoken.
(YYEMPTY): Parenthesize right hand side, since others use it.
(yyparse): Don't assume that our generated code is the only code
that sets yychar.
Paul Eggert [Fri, 13 Dec 2002 09:33:23 +0000 (09:33 +0000)]
Fix a bad interaction with flex 2.5.23 reported by Bruce Lilly in
<http://mail.gnu.org/pipermail/bug-bison/2002-November/001929.html>.
(YYLTYPE, struct yyltype): Do not define unless
locations are requested.
(union yyalloc): Do not depend on YYLTYPE_IS_TRIVIAL unless
locations are requested.
Paul Eggert [Fri, 13 Dec 2002 08:47:15 +0000 (08:47 +0000)]
(uniqstr_print): Now inline. Return bool, not int.
(uniqstr_print_processor): New function, to avoid casts.
(uniqstrs_new, hash_initialize, uniqstrs_do):
Use new functions instead of casting old functions unportably.
(hash_compare_uniqstr): Remove unnecessary casts.
Paul Eggert [Fri, 13 Dec 2002 08:45:38 +0000 (08:45 +0000)]
(state_number_to_vector_number,
symbol_number_to_vector_number):
Now inline functions rather than macros, to avoid casts.
(table_size): Now int, to pacify GCC.
(table_grow, table_ninf_remap): Use signed table size.
(save_row): Don't bother initializing locals when not needed.
(default_goto, goto_actions, pack_vector): Remove unnecessary casts.
Paul Eggert [Fri, 13 Dec 2002 08:44:28 +0000 (08:44 +0000)]
(alloca): Remove; decl no longer needed.
(<stddef.h>): Include, for offsetof.
(<inttypes.>, <stdint.h>): Include if available.
(uintptr_t): New type, if system lacks it.
(CALLOC, MALLOC, REALLOC): New macros.
All uses of XCALLOC, XMALLOC, and XREALLOC changed to use these
new macros.
Paul Eggert [Fri, 13 Dec 2002 08:42:03 +0000 (08:42 +0000)]
(symbol_check_defined,
symbol_check_alias_consistency, symbol_pack, symbol_translation,
hash_compare_symbol, hash_symbol):
Now inline. Return bool, not int.
(symbol_check_defined_processor,
symbol_check_alias_consistency_processor, symbol_pack_processor,
symbol_translation_processor, hash_symbol_comparator,
hash_symbol_hasher): New functions, to avoid casts.
(symbols_new, symbols_do, symbols_check_defined,
symbols_token_translations_init):
Use new functions instead of casting old functions unportably.
(symbol_free): Remove; unused.
(symbol_get): Remove cast in lhs of assignment.
(symbols_do): Now static. Accept generic arguments, not hashing-related ones.
Paul Eggert [Fri, 13 Dec 2002 08:37:52 +0000 (08:37 +0000)]
(state_compare): Now inline. Return bool, not int.
(state_comparator, stage_hasher): New function, to avoid casts.
(state_hash_new): Use new functions instead of casting old functions unportably.
(state_hash_lookup): Use MALLOC rather than alloca, so that we don't
have to worry about alloca.
(TRANSITIONS_ALLOC, ERRS_ALLOC, REDUCTIONS_ALLOC,
STATE_ALLOC): Remove.
(transitions_new, errs_new, reductions_new, state_new): Use malloc
rather than calloc, and use offsetof to avoid allocating slightly
too much storage.
(state_new): Initialize all members.
(state_hash): Use unsigned accumulator, not signed.
Paul Eggert [Fri, 13 Dec 2002 08:29:05 +0000 (08:29 +0000)]
(muscle_m4_output): Now inline. Return bool, not int.
(muscle_m4_output_processor): New function, to avoid casts.
(muscles_m4_output): Use new functions instead
of casting old functions unportably.
Paul Eggert [Fri, 13 Dec 2002 08:26:46 +0000 (08:26 +0000)]
(set_goto_map): Do not subtract from the returned value of malloc.
(add_lookback_edge): Use malloc rather than calloc,
since the resulting storage is always stored into.
Paul Eggert [Fri, 13 Dec 2002 08:25:31 +0000 (08:25 +0000)]
(symbol_number_as_item_number,
item_number_as_symbol_number, rule_number_as_item_number,
item_number_as_rule_number): Now inline functions rather
than macros, to avoid casts.
(int_of_rule_number): Remove; no longer used.
Paul Eggert [Fri, 13 Dec 2002 04:50:32 +0000 (04:50 +0000)]
(derives_compute): Do not subtract NTOKENS from
the pointer DSET returned by malloc; this isn't portable.
Instead, always use DSET[i - NTOKENS] rather than DSET[i].
Similarly for DERIVES.
(derives_compute): Do not bother invoking
int_of_rule_number, since rule numbers are integers.
All uses of XCALLOC, XMALLOC, and XREALLOC changed to use new macros
CALLOC, MALLOC, REALLOC. All uses of XFREE changed to free.
Paul Eggert [Wed, 11 Dec 2002 06:59:06 +0000 (06:59 +0000)]
(G_EXPAND): Renamed from G_STRETCH.
(G_LONG_STRAIGHT_PHASE): Renamed from G_STRAIGHT_PHASE.
(N_EXPAND): Renamed from N_STRETCH.
(G_NODE_ALIGNMENT): Renamed from G_NODE_ALIGNEMENT.
Paul Eggert [Wed, 11 Dec 2002 06:50:40 +0000 (06:50 +0000)]
(state_number): Renamed from state_number_t.
(struct state): Renamed from struct state_s.
(state): Renamed from state_t.
(transitions): Renamed from transitions_t. Unused (and
misspelled) transtion_s tag removed.
(errs): Renamed from errs_t. Unused errs_s tag removed.
(reductions): Renamed from reductions_t. Unused tag
reductions_s removed.
(STATE_NUMBER_MAXIMUM): Renamed from STATE_NUMBER_MAX.
Include "gram.h".
Paul Eggert [Wed, 11 Dec 2002 06:48:18 +0000 (06:48 +0000)]
(<INITIAL>{int}): Use set_errno and get_errno instead of errno.
(<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>\\x[0-9abcdefABCDEF]+): Likewise.
(handle_action_dollar, handle_action_at): Likewise.
(obstack_for_string): Renamed from string_obstack.