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22 years ago* src/print.c, src/print_graph.c (escape): New.
Akim Demaille [Thu, 27 Dec 2001 18:11:20 +0000 (18:11 +0000)] 
* src/print.c, src/print_graph.c (escape): New.
Use it to quote the TAGS outputs.
* src/print_graph.c (print_state): Now errors are in red, and
reductions in green.
Prefer high to wide: output the state number on a line of its own.

22 years ago* src/state.h, src/state.c (reductions_new): New.
Akim Demaille [Thu, 27 Dec 2001 18:11:06 +0000 (18:11 +0000)] 
* src/state.h, src/state.c (reductions_new): New.
* src/LR0.c (set_state_table): Let all the states have a
`reductions', even if reduced to 0.
(save_reductions): Adjust.
* src/lalr.c (initialize_LA, initialize_lookaheads): Adjust.
* src/print.c (print_reductions, print_actions): Adjust.
* src/output.c (action_row): Adjust.

22 years ago* src/state.h, src/state.c (errs_new, errs_dup): New.
Akim Demaille [Thu, 27 Dec 2001 18:10:48 +0000 (18:10 +0000)] 
* src/state.h, src/state.c (errs_new, errs_dup): New.
* src/LR0.c (set_state_table): Let all the states have an errs,
even if reduced to 0.
* src/print.c (print_errs, print_reductions): Adjust.
* src/output.c (output_actions, action_row): Adjust.
* src/conflicts.c (resolve_sr_conflict): Adjust.

22 years ago* src/lalr.c (set_goto_map, initialize_F): Use SHIFT_SYMBOL.
Akim Demaille [Thu, 27 Dec 2001 18:10:30 +0000 (18:10 +0000)] 
* src/lalr.c (set_goto_map, initialize_F): Use SHIFT_SYMBOL.

22 years ago* src/conflicts.c, src/conflicts.h (print_reductions): Move to...
Akim Demaille [Thu, 27 Dec 2001 18:10:16 +0000 (18:10 +0000)] 
* src/conflicts.c, src/conflicts.h (print_reductions): Move to...
* src/print.c: here.
(lookaheadset, shiftset): New, used as additional storage by
print_reductions.
(print_results): Adjust.
(print_shifts, print_gotos, print_errs): New, extracted from...
(print_actions): here.
* src/print_graph.c (print_actions): Remove dead code.

22 years ago* src/reader.c (copy_dollar, copy_at): Better checking of `n' in
Akim Demaille [Thu, 27 Dec 2001 18:07:31 +0000 (18:07 +0000)] 
* src/reader.c (copy_dollar, copy_at): Better checking of `n' in
`$n' and `@n'.

22 years ago* src/lalr.c (add_lookback_edge): Use state_t instead of ints.
Akim Demaille [Thu, 27 Dec 2001 18:07:17 +0000 (18:07 +0000)] 
* src/lalr.c (add_lookback_edge): Use state_t instead of ints.
(build_relations): Adjust.

22 years ago* src/lalr.c (set_goto_map): Remove a wrong but benign loop
Akim Demaille [Thu, 27 Dec 2001 18:07:05 +0000 (18:07 +0000)] 
* src/lalr.c (set_goto_map): Remove a wrong but benign loop
duplication.

22 years ago* src/reader.c (packgram): Catch nitems overflows.
Akim Demaille [Thu, 27 Dec 2001 18:06:41 +0000 (18:06 +0000)] 
* src/reader.c (packgram): Catch nitems overflows.

22 years ago* src/files.c, src/files.h (guard_obstack): Remove.
Akim Demaille [Thu, 27 Dec 2001 18:06:24 +0000 (18:06 +0000)] 
* src/files.c, src/files.h (guard_obstack): Remove.
* src/output.c (output): Adjust.
* src/reader.c (parse_braces): New, factoring...
(copy_action, copy_guard): these two which are renamed as...
(parse_action, parse_guard): these.
As a voluntary consequence, using braces around guards is now
mandatory.

22 years ago* src/gram.h (rule_t): `guard' and `guard_line' are new members.
Akim Demaille [Thu, 27 Dec 2001 18:06:06 +0000 (18:06 +0000)] 
* src/gram.h (rule_t): `guard' and `guard_line' are new members.
* src/reader.c (symbol_list): `guard' and `guard_line' are new
members.
(symbol_list_new): Adjust.
(copy_action): action_line is the first line, not the last.
(copy_guard): Just as for actions, store the `action' only, not
the switch/case/break flesh.
Don't parse the user action that might follow the guard, let...
(readgram): do it, i.e., now, there can be an action after a
guard.
In other words the guard is just explicitly optional.
(packgram): Adjust.
* src/output.c (guards_output): New.
(output_parser): Call it when needed.
(output): Also free the guard and attrs obstacks.
* src/files.c, src/files.h (obstack_save): Remove.
(output_files): Remove.
As a result, if one needs the former `.act' file, using an
appropriate skeleton which requires actions and guards is now
required.
* src/main.c (main): Adjust.
* tests/semantic.at: New.
* tests/regression.at: Use `input.y' as input file name.
Avoid 8+3 problems by requiring input.c when the test needs the
parser.

22 years ago* src/reader.c (symbol_list_new): Be sure to initialize all the
Akim Demaille [Thu, 27 Dec 2001 18:05:42 +0000 (18:05 +0000)] 
* src/reader.c (symbol_list_new): Be sure to initialize all the
fields.

22 years agoAll the hacks using a final pseudo state are now useless.
Akim Demaille [Thu, 27 Dec 2001 18:05:30 +0000 (18:05 +0000)] 
All the hacks using a final pseudo state are now useless.
* src/LR0.c (set_state_table): state_table holds exactly nstates.
* src/lalr.c (nLA): New.
(initialize_LA, compute_lookaheads, initialize_lookaheads): Use it
instead of lookaheadsp from the pseudo state (nstate + 1).

22 years ago* src/output.c (action_row, token_actions): Use a state_t instead
Akim Demaille [Thu, 27 Dec 2001 18:05:18 +0000 (18:05 +0000)] 
* src/output.c (action_row, token_actions): Use a state_t instead
of a integer, and nlookaheads instead of the following state's
lookaheadsp.

22 years ago* src/conflicts.c (log_resolution, flush_shift)
Akim Demaille [Thu, 27 Dec 2001 18:05:05 +0000 (18:05 +0000)] 
* src/conflicts.c (log_resolution, flush_shift)
(resolve_sr_conflict, set_conflicts, solve_conflicts)
(count_sr_conflicts, count_rr_conflicts, conflicts_output)
(conflicts_print, print_reductions): Use a state_t instead of an
integer when referring to a state.
As much as possible, depend upon nlookaheads, instead of the
`lookaheadsp' member of the following state (since lookaheads of
successive states are successive, the difference between state n + 1
and n served as the number of lookaheads for state n).
* src/lalr.c (add_lookback_edge): Likewise.
* src/print.c (print_core, print_actions, print_state)
(print_results): Likewise.
* src/print_graph.c (print_core, print_actions, print_state)
(print_graph): Likewise.
* src/conflicts.h: Adjust.

22 years ago* src/bison.hairy: Formatting/comment changes.
Akim Demaille [Thu, 27 Dec 2001 18:04:43 +0000 (18:04 +0000)] 
* src/bison.hairy: Formatting/comment changes.
ANSIfy.
Remove `register' indications.
Add plenty of `static'.

22 years ago* src/output.c (prepare): Drop the muscle `ntbase' which
Akim Demaille [Thu, 27 Dec 2001 18:04:28 +0000 (18:04 +0000)] 
* src/output.c (prepare): Drop the muscle `ntbase' which
duplicates ntokens.
* src/bison.simple: Formatting/comment changes.
Use YYNTOKENS only, which is documented, but not YYNTBASE, which
is an undocumented synonym.

22 years ago* src/output.c (output_table_data): Change the prototype to use
Akim Demaille [Sat, 22 Dec 2001 15:16:41 +0000 (15:16 +0000)] 
* src/output.c (output_table_data): Change the prototype to use
`int' for array ranges: some invocations do pass an int, not a
short.
Reported by Wayne Green.

22 years agoSome actions of web2c.y are improperly triggered.
Akim Demaille [Sat, 22 Dec 2001 14:58:53 +0000 (14:58 +0000)] 
Some actions of web2c.y are improperly triggered.
Reported by Mike Castle.
* src/lalr.c (traverse): s/F (i)[k] = F (j)[k]/F (j)[k] = F (i)[k]/.
* tests/regression.at (Web2c): Rename as...
(Web2c Report): this.
(Web2c Actions): New.

22 years agoReductions in web2c.y are improperly reported.
Akim Demaille [Sat, 22 Dec 2001 14:42:36 +0000 (14:42 +0000)] 
Reductions in web2c.y are improperly reported.
Reported by Mike Castle.
* src/conflicts.c (print_reductions): Fix.
* tests/regression.at (Web2c): New.

22 years agoTypo.
Akim Demaille [Tue, 18 Dec 2001 09:59:24 +0000 (09:59 +0000)] 
Typo.

22 years agoSome host fail on `assert (!"foo")', which expands to
Akim Demaille [Tue, 18 Dec 2001 09:33:44 +0000 (09:33 +0000)] 
Some host fail on `assert (!"foo")', which expands to
((!"foo") ? (void)0 : __assert("!"foo."", __FILE__, __LINE__))
Reported by Nelson Beebee.
* src/output.c, src/vcg.c: Replace `assert (!"it succeeded")' with
`#define it_succeeded 0' and `assert (it_succeeded)'.

22 years ago* src/bison.simple: Don't hard code the skeleton line and filename.
Marc Autret [Mon, 17 Dec 2001 20:28:51 +0000 (20:28 +0000)] 
* src/bison.simple: Don't hard code the skeleton line and filename.
* src/output.c (output_parser): Rename 'line' as 'output_line'.
New line counter 'skeleton_line' (skeleton-line muscle).

22 years ago* NEWS, doc/bison.texinfo, doc/bison.1, doc/bison.rnh: Document that
Paul Eggert [Mon, 17 Dec 2001 19:43:46 +0000 (19:43 +0000)] 
* NEWS, doc/bison.texinfo, doc/bison.1, doc/bison.rnh: Document that
YYDEBUG must be defined to a nonzero value.

* src/bison.simple (yytname): Do not assume that the user defines
YYDEBUG to a properly parenthesized expression.

22 years agoDocument that YYDEBUG must be defined to a nonzero value.
Paul Eggert [Mon, 17 Dec 2001 19:43:23 +0000 (19:43 +0000)] 
Document that YYDEBUG must be defined to a nonzero value.

22 years ago(yytname): Do not assume that the user defines YYDEBUG to a properly
Paul Eggert [Mon, 17 Dec 2001 19:41:46 +0000 (19:41 +0000)] 
(yytname): Do not assume that the user defines YYDEBUG to a properly
parenthesized expression.

22 years agoRegen.
Akim Demaille [Mon, 17 Dec 2001 17:33:59 +0000 (17:33 +0000)] 
Regen.

22 years ago* src/state.h (state_t): Rename lookaheads as lookaheadsp.
Akim Demaille [Mon, 17 Dec 2001 17:32:59 +0000 (17:32 +0000)] 
* src/state.h (state_t): Rename lookaheads as lookaheadsp.
nlookaheads is a new member.
Adjust all users.
* src/lalr.h (nlookaheads): Remove this orphan declaration.
* src/lalr.c (initialize_lookaheads): Set nlookaheads for each
state.

22 years ago* src/files.h, src/files.c (open_files, close_files): Remove.
Akim Demaille [Mon, 17 Dec 2001 17:32:39 +0000 (17:32 +0000)] 
* src/files.h, src/files.c (open_files, close_files): Remove.
* src/main.c (main): Don't open/close files, nor invoke lex_free,
let...
* src/reader.c (reader): Do it.

22 years ago* src/conflicts.c (print_reductions): Formatting changes.
Akim Demaille [Mon, 17 Dec 2001 17:32:20 +0000 (17:32 +0000)] 
* src/conflicts.c (print_reductions): Formatting changes.

22 years ago* src/conflicts.c (flush_shift): Also adjust lookaheadset.
Akim Demaille [Mon, 17 Dec 2001 17:32:08 +0000 (17:32 +0000)] 
* src/conflicts.c (flush_shift): Also adjust lookaheadset.
(flush_reduce): New.
(resolve_sr_conflict): Adjust.

22 years ago* src/output.c (output_obstack): Be static and rename as...
Akim Demaille [Mon, 17 Dec 2001 17:31:56 +0000 (17:31 +0000)] 
* src/output.c (output_obstack): Be static and rename as...
(format_obstack): this, to avoid any confusion with files.c's
output_obstack.
* src/reader.h (muscle_obstack): Move to...
* src/output.h: here, since it's defined in output.c.

22 years ago* src/output.c (action_row, save_column, default_goto)
Akim Demaille [Mon, 17 Dec 2001 17:31:37 +0000 (17:31 +0000)] 
* src/output.c (action_row, save_column, default_goto)
(sort_actions, matching_state, pack_vector): Better variable
locality.

22 years ago* src/output.c: Various formatting changes.
Akim Demaille [Mon, 17 Dec 2001 17:31:24 +0000 (17:31 +0000)] 
* src/output.c: Various formatting changes.

22 years ago* src/files.c (output_files): Free the output_obstack.
Akim Demaille [Mon, 17 Dec 2001 17:31:10 +0000 (17:31 +0000)] 
* src/files.c (output_files): Free the output_obstack.
* src/main.c (main): Call print and print_graph conditionally.
* src/print.c (print): Work unconditionally.
* src/print_graph.c (print_graph): Work unconditionally.
* src/conflicts.c (log_resolution): Output only if verbose_flag.

22 years agoRegen.
Akim Demaille [Mon, 17 Dec 2001 17:30:47 +0000 (17:30 +0000)] 
Regen.

22 years ago* src/output.c (actions_output): Fix. When we use %no-lines,
Marc Autret [Sun, 16 Dec 2001 01:45:19 +0000 (01:45 +0000)] 
* src/output.c (actions_output): Fix. When we use %no-lines,
there is one less line per action.

22 years ago* src/bison.simple: Remove a useless #line directive.
Marc Autret [Sun, 16 Dec 2001 01:26:25 +0000 (01:26 +0000)] 
* src/bison.simple: Remove a useless #line directive.
s/#line %%line %%skeleton/#line %%line "%%parser-file-name"/'.
* src/output.c (get_lines_number): New.
(output_parser): Adjust, now takes care about the lines of a
output muscles.
Fix line numbering.
(actions_output): Computes the number of lines taken by actions.
(output_master_parser): Insert new skeleton which is the name of
the output parser file name.

22 years ago* src/bison.simple [YYERROR_VERBOSE]: Restore backward compatibility.
Marc Autret [Sat, 15 Dec 2001 18:38:57 +0000 (18:38 +0000)] 
* src/bison.simple [YYERROR_VERBOSE]: Restore backward compatibility.

22 years agoUpdate.
Marc Autret [Sat, 15 Dec 2001 17:58:58 +0000 (17:58 +0000)] 
Update.

22 years ago* src/output.c (output_gram): Keep track of the hairy one.
Marc Autret [Sat, 15 Dec 2001 17:34:37 +0000 (17:34 +0000)] 
* src/output.c (output_gram): Keep track of the hairy one.

22 years agoRegen.
Akim Demaille [Sat, 15 Dec 2001 17:11:49 +0000 (17:11 +0000)] 
Regen.

22 years agoFix INCLUDES.
Akim Demaille [Sat, 15 Dec 2001 16:35:48 +0000 (16:35 +0000)] 
Fix INCLUDES.

22 years agoMake `make distcheck' work.
Akim Demaille [Sat, 15 Dec 2001 16:31:04 +0000 (16:31 +0000)] 
Make `make distcheck' work.
* lib/Makefile.am (INCLUDES): Add top_srcdir/intl, since hash uses
system.h which uses libgettext.h.

22 years agoregen.
Akim Demaille [Sat, 15 Dec 2001 16:29:52 +0000 (16:29 +0000)] 
regen.

22 years ago* src/nullable.c (set_nullable): Useless rules must be skipped,
Akim Demaille [Sat, 15 Dec 2001 16:21:44 +0000 (16:21 +0000)] 
* src/nullable.c (set_nullable): Useless rules must be skipped,
otherwise, since we range over their symbols, we might look at a
nonterminal which no longer ``exists'', i.e., it is not counted in
`nvars', hence we overflow our arrays.

22 years agoThe header can also be produced directly, without any obstack!
Akim Demaille [Sat, 15 Dec 2001 16:06:50 +0000 (16:06 +0000)] 
The header can also be produced directly, without any obstack!
Yahoo!
* src/files.c, src/files.h (defines_obstack): Remove.
(compute_header_macro): Global.
(defines_obstack_save): Remove.
* src/reader.c (parse_union_decl): No longer output to
defines_obstack: its content can be found in the `stype' muscle
anyway.
(output_token_translations): Merge into...
(symbols_output): this.
Rename as...
(symbols_save): this.
(reader): Adjust.
* src/output.c (header_output): New.
(output): Call it.

22 years ago* src/reader.c (parse_union_decl): Instead of handling two obstack
Akim Demaille [Sat, 15 Dec 2001 15:25:15 +0000 (15:25 +0000)] 
* src/reader.c (parse_union_decl): Instead of handling two obstack
simultaneously, use one to define the `stype' muscle, and use the
value of the latter to fill defines_obstack.
(copy_comment): Remove.
(copy_comment2): Work for a single obstack.
Rename as...
(copy_comment): this.

22 years ago* src/lex.c, src/lex.h (xgetc): No longer static.
Akim Demaille [Sat, 15 Dec 2001 15:13:36 +0000 (15:13 +0000)] 
* src/lex.c, src/lex.h (xgetc): No longer static.
* src/reader.c (parse_union_decl): Revamp.

22 years agoStill making progress in separating Bison into (i) input, (ii)
Akim Demaille [Sat, 15 Dec 2001 14:35:57 +0000 (14:35 +0000)] 
Still making progress in separating Bison into (i) input, (ii)
process, (iii) output: now we can directly output the parser file
without using table_obstack at all.
* src/files.c, src/files.h (table_obstack): Bye bye.
(parser_file_name): New.
* src/files.c (compute_output_file_names): Compute it.
* src/output.c (actions_output, output_parser)
(output_master_parser): To a file instead of an obstack.

22 years agoAttach actions to rules, instead of pre-outputting them to
Akim Demaille [Sat, 15 Dec 2001 14:14:30 +0000 (14:14 +0000)] 
Attach actions to rules, instead of pre-outputting them to
actions_obstack.
* src/gram.h (rule_t): action and action_line are new members.
* src/reader.c (symbol_list): Likewise.
(copy_action): Save the actions within the rule.
(packgram): Save them in rule_table.
* src/output.c (actions_output): New.
(output_parser): Use it on `%%actions'.
(output_rule_data): Don't free rule_table.
(output): Do it.
(prepare): Don't save the `action' muscle.
* src/bison.simple: s/%%action/%%actions/.

22 years ago* src/reader.c (copy_action): When --yacc, don't append a `;'
Akim Demaille [Sat, 15 Dec 2001 11:09:05 +0000 (11:09 +0000)] 
* src/reader.c (copy_action): When --yacc, don't append a `;'
to the user action: let it fail if lacking.
Suggested by Aharon Robbins and Tom Tromey.

22 years agoRegen.
Akim Demaille [Sat, 15 Dec 2001 11:08:37 +0000 (11:08 +0000)] 
Regen.

22 years ago* src/lex.c (literalchar): Simply return the char you decoded, non
Akim Demaille [Fri, 14 Dec 2001 16:03:28 +0000 (16:03 +0000)] 
* src/lex.c (literalchar): Simply return the char you decoded, non
longer mess around with obstacks and int pointers.
Adjust all callers.

22 years ago* src/lex.c (literalchar): Don't escape the special characters,
Akim Demaille [Fri, 14 Dec 2001 15:39:05 +0000 (15:39 +0000)] 
* src/lex.c (literalchar): Don't escape the special characters,
just decode them, and keep them as char (before, eol was output as
the 2 char string `n' etc.).
* src/output.c (output_rule_data): Use quotearg to output the
token strings.

22 years ago* src/bison.simple (YYSIZE_T, YYSTACK_ALLOC, YYSTACK_FREE):
Paul Eggert [Fri, 14 Dec 2001 01:54:30 +0000 (01:54 +0000)] 
* src/bison.simple (YYSIZE_T, YYSTACK_ALLOC, YYSTACK_FREE):
Do not infringe on the global user namespace when using C++.
(YYFPRINTF, YYSTDERR): New macros, needed for the above.
All uses of `fprintf' and `stderr' changed.

* doc/bison.texinfo: Document YYFPRINTF, YYSTDERR.

22 years ago(const): Do not define; that is now config.h's job.
Paul Eggert [Fri, 14 Dec 2001 01:52:50 +0000 (01:52 +0000)] 
(const): Do not define; that is now config.h's job.
(YYSIZE_T, YYSTACK_ALLOC, YYSTACK_FREE):
Do not infringe on the global user namespace when using C++.
(YYFPRINTF, YYSTDERR): New macros, needed for the above.
All uses of `fprintf' and `stderr' changed.

22 years agoDocument YYFPRINTF, YYSTDERR.
Paul Eggert [Fri, 14 Dec 2001 01:51:33 +0000 (01:51 +0000)] 
Document YYFPRINTF, YYSTDERR.

22 years agoThe computation of nullable is broken: it doesn't handle empty
Akim Demaille [Thu, 13 Dec 2001 11:02:21 +0000 (11:02 +0000)] 
The computation of nullable is broken: it doesn't handle empty
RHS's properly.
* tests/torture.at (GNU AWK Grammar): New.
* tests/sets.at (Nullable): New.
* src/nullable.c (set_nullable): Instead of blindly looping over
`ritems', loop over the rules, and then over their rhs's.
Work around Autotest bugs.
* src/warshall.c (bitmatrix_print): Don't use `+--+' as table
frame, because Autotest understand lines starting with a `+' as
traces from the shell.  Then, they are not processed properly.
Admittedly an Autotest bug, but we don't have time to wait for
Autotest to catch up.
* tests/regression.at (Broken Closure): Adjust to the new table
frames.
Move to...
* tests/sets.at: here.

22 years ago* src/closure.c (closure): Use nrules instead of playing tricks
Akim Demaille [Thu, 13 Dec 2001 11:02:04 +0000 (11:02 +0000)] 
* src/closure.c (closure): Use nrules instead of playing tricks
with BITS_PER_WORD.

22 years ago* src/print.c (print_actions): Output the handling of `$' as the
Akim Demaille [Thu, 13 Dec 2001 11:01:51 +0000 (11:01 +0000)] 
* src/print.c (print_actions): Output the handling of `$' as the
traces do: shifting the token EOF.  Before EOF was treated as a
nonterminal.
* tests/regression.at: Adjust some tests.
* src/print_graph.c (print_core): Complete the set of items via
closure.  The next-to-final and final states are still unsatisfying,
but that's to be addressed elsewhere.
No longer output the rule numbers, but do output the state number.
A single loop for the shifts + gotos is enough, but picked a
distinct color for each.
(print_graph): Initialize and finalize closure.

22 years ago* src/reader.c (readgram): Remove dead code, an strip useless
Akim Demaille [Thu, 13 Dec 2001 11:01:36 +0000 (11:01 +0000)] 
* src/reader.c (readgram): Remove dead code, an strip useless
braces.
(get_type): Remove, unused.

22 years ago* src/complain.h, src/complain.c: Remove error_one_per_line, rely
Akim Demaille [Wed, 12 Dec 2001 15:22:46 +0000 (15:22 +0000)] 
* src/complain.h, src/complain.c: Remove error_one_per_line, rely
on that of lib/error.c.

22 years agoSome hosts don't like `/' in includes.
Akim Demaille [Wed, 12 Dec 2001 11:58:19 +0000 (11:58 +0000)] 
Some hosts don't like `/' in includes.
* src/system.h: Include libgettext.h without qualifying the path.
* src/Makefile.am (INCLUDES): Add $(top_srcdir)/intl, remove
$(top_srcdir).

22 years agoRegen.
Akim Demaille [Wed, 12 Dec 2001 11:56:52 +0000 (11:56 +0000)] 
Regen.

22 years agoUpdate.
Marc Autret [Tue, 11 Dec 2001 23:03:44 +0000 (23:03 +0000)] 
Update.

22 years agoUpdate.
Marc Autret [Tue, 11 Dec 2001 20:21:09 +0000 (20:21 +0000)] 
Update.

22 years ago* src/output.c (output_parser): Remove useless muscle.
Marc Autret [Tue, 11 Dec 2001 20:19:44 +0000 (20:19 +0000)] 
* src/output.c (output_parser): Remove useless muscle.

22 years ago* src/bison.simple: Remove #line just before %%epilogue. It
Marc Autret [Tue, 11 Dec 2001 20:10:22 +0000 (20:10 +0000)] 
* src/bison.simple: Remove #line just before %%epilogue. It
is now handled in ...
* src/reader.c (read_additionnal_code): Add the output of a
#line for the epilogue.

22 years ago* src/reader.c (copy_definition): Re-use CPP-outed code which
Marc Autret [Mon, 10 Dec 2001 23:19:09 +0000 (23:19 +0000)] 
* src/reader.c (copy_definition): Re-use CPP-outed code which
replace precedent remove.
* src/bison.simple: Remove #line before %%prologue because
%%input-line is wrong at this time.

22 years agoUpdate.
Marc Autret [Mon, 10 Dec 2001 22:56:40 +0000 (22:56 +0000)] 
Update.

22 years ago* src/reader.c (symbols_output): Clean up.
Marc Autret [Mon, 10 Dec 2001 22:55:06 +0000 (22:55 +0000)] 
* src/reader.c (symbols_output): Clean up.
* src/output.c (output_gram, output): Clean up.

22 years agoTypo.
Akim Demaille [Mon, 10 Dec 2001 09:11:42 +0000 (09:11 +0000)] 
Typo.

22 years ago* src/lalr.c (initialize_lookaheads): New. Extracted from...
Akim Demaille [Mon, 10 Dec 2001 09:10:28 +0000 (09:10 +0000)] 
* src/lalr.c (initialize_lookaheads): New.  Extracted from...
* src/LR0.c (set_state_table): here.
* src/lalr.c (lalr): Call it.

22 years ago* src/state.h (shifts): Remove the `number' member: shifts are
Akim Demaille [Mon, 10 Dec 2001 09:10:10 +0000 (09:10 +0000)] 
* src/state.h (shifts): Remove the `number' member: shifts are
attached to state, hence no longer need to be labelled with a
state number.

22 years agoNow that states have a complete set of members, the linked list of
Akim Demaille [Mon, 10 Dec 2001 09:09:49 +0000 (09:09 +0000)] 
Now that states have a complete set of members, the linked list of
shifts is useless: just fill directly the state's shifts member.
* src/state.h (shifts): Remove the `next' member.
* src/LR0.c (first_state, last_state): Remove.
Adjust the callers.
(augment_automaton): Don't look for the shifts that must be added
a shift on EOF: it is those of the state we looked for!  But now,
since shifts are attached, it is no longer needed to looking
merely by its id: its number.

22 years ago* src/LR0.c (augment_automaton): Better variable locality.
Akim Demaille [Mon, 10 Dec 2001 09:09:28 +0000 (09:09 +0000)] 
* src/LR0.c (augment_automaton): Better variable locality.
Remove an impossible branch: if there is a state corresponding to
the start symbol being shifted, then there is shift for the start
symbol from the initial state.

22 years ago* src/LR0.c (augment_automaton): Call `insert_eof_shifting_state'
Akim Demaille [Mon, 10 Dec 2001 09:09:14 +0000 (09:09 +0000)] 
* src/LR0.c (augment_automaton): Call `insert_eof_shifting_state'
only when appropriate: when insert_start_shifting_state' is not
invoked.
* tests/regression.at (Rule Line Numbers): Adjust.

22 years ago* src/LR0.c (augment_automaton): Now that all states have shifts,
Akim Demaille [Mon, 10 Dec 2001 09:09:00 +0000 (09:09 +0000)] 
* src/LR0.c (augment_automaton): Now that all states have shifts,
merge the two cases addition shifts to the initial state.

22 years ago* src/lalr.c (set_state_table): Move to...
Akim Demaille [Mon, 10 Dec 2001 09:08:46 +0000 (09:08 +0000)] 
* src/lalr.c (set_state_table): Move to...
* src/LR0.c: here.
* src/lalr.c (lalr): Don't call it...
* src/LR0.c (generate_states): do it.
* src/LR0.h (first_state): Remove, only the table is used.

22 years ago* src/LR0.h (first_shift, first_reduction): Remove.
Akim Demaille [Mon, 10 Dec 2001 09:08:28 +0000 (09:08 +0000)] 
* src/LR0.h (first_shift, first_reduction): Remove.
* src/lalr.c: Don't use first_shift: find shifts through the
states.

22 years ago* src/LR0.c: Attach shifts to states as soon as they are
Akim Demaille [Mon, 10 Dec 2001 09:08:09 +0000 (09:08 +0000)] 
* src/LR0.c: Attach shifts to states as soon as they are
computed.
* src/lalr.c (set_state_table): Instead of assigning shifts to
state, just assert that the mapping was properly done.

22 years ago* src/LR0.c (insert_start_shift): Rename as...
Akim Demaille [Mon, 10 Dec 2001 09:07:55 +0000 (09:07 +0000)] 
* src/LR0.c (insert_start_shift): Rename as...
(insert_start_shifting_state): this.
(insert_eof_shifting_state, insert_accepting_state): New.
(augment_automaton): Adjust.
Better locality of the variables.
When looking if the start_symbol is shifted from the initial
state, using `while (... symbol != start_symbol ...)' sounds
better than `while (... symbol < start_symbol ...)': If fail
to see how the order between symbols could be relevant!

22 years ago* src/getargs.h: Don't declare `spec_name_prefix' and
Akim Demaille [Mon, 10 Dec 2001 09:07:41 +0000 (09:07 +0000)] 
* src/getargs.h: Don't declare `spec_name_prefix' and
`spec_file_prefix', declared by src/files.h.
* src/files.c, src/files.h: Default for spec_name_prefix is "yy".
* src/muscle_tab.c (muscle_init): Default prefix to NULL.
* src/output.c (prepare): Adjust.
* src/reader.c (symbols_output): Likewise.
* src/vmsgetargs.c: Vaguely adjust, but who cares?

22 years ago* src/muscle_tab.c (muscle_init): NULL is a better default than
Akim Demaille [Mon, 10 Dec 2001 09:07:17 +0000 (09:07 +0000)] 
* src/muscle_tab.c (muscle_init): NULL is a better default than
`"0"'.

22 years ago* src/reader.c (reader): Calling symbols_output once is enough.
Akim Demaille [Mon, 10 Dec 2001 09:07:03 +0000 (09:07 +0000)] 
* src/reader.c (reader): Calling symbols_output once is enough.

22 years agoNow that states have a complete set of members, the linked list of
Akim Demaille [Mon, 10 Dec 2001 09:06:48 +0000 (09:06 +0000)] 
Now that states have a complete set of members, the linked list of
reductions is useless: just fill directly the state's reductions
member.
* src/state.h (struct reductions): Remove member `number' and
`next'.
* src/LR0.c (first_reduction, last_reduction): Remove.
(save_reductions): Don't link the new reductions, store them in
this_state.
* src/lalr.c (set_state_table): No need to attach reductions to
states, it's already done.
* src/output.c (output_actions): No longer free the shifts, then
the reductions, then the states: free all the states and their
members.

22 years ago* src/options.c (OPTN, DRTV, BOTH): New.
Akim Demaille [Mon, 10 Dec 2001 09:06:27 +0000 (09:06 +0000)] 
* src/options.c (OPTN, DRTV, BOTH): New.
(option_table): Use them.
* src/muscle_tab.c: Don't include xalloc.h and string.h: that's
the job of system.h.
* src/options.c: Don't include stdio.h and xalloc.h for the same
reasons.

22 years ago* src/output.c (output, prepare): Make sure the values of the
Akim Demaille [Mon, 10 Dec 2001 09:06:13 +0000 (09:06 +0000)] 
* src/output.c (output, prepare): Make sure the values of the
muscles `action' and `prologue' are 0-terminated.

22 years agoClean up GCC warnings.
Akim Demaille [Mon, 10 Dec 2001 09:05:47 +0000 (09:05 +0000)] 
Clean up GCC warnings.
* src/reader.c (copy_action): `buf' is not used.
(parse_skel_decl): Be static.
* src/muscle_tab.c (mhash1, mhash2, muscle_insert): Preserve `const'.
* src/options.h (create_long_option_table): Have a real prototype.
* lib/hash.c, lib/hash.h (hash_insert, hash_insert_at, hash_delete)
(hash_delete_at): Return const void *.
Adjust casts to preserve the const.

22 years agoRemove tests/Makefile.in and po/Makefile.in.
Akim Demaille [Mon, 10 Dec 2001 09:02:16 +0000 (09:02 +0000)] 
Remove tests/Makefile.in and po/Makefile.in.

22 years ago* configure.in: Require 2.52g.
Akim Demaille [Mon, 10 Dec 2001 09:00:36 +0000 (09:00 +0000)] 
* configure.in: Require 2.52g.
M4 is not needed, but AUTOM4TE is.
* m4/m4.m4: Remove.
* tests/Makefile.am: Adjust.

22 years agoOne structure for states is enough, even though theoretically
Akim Demaille [Mon, 10 Dec 2001 08:45:22 +0000 (08:45 +0000)] 
One structure for states is enough, even though theoretically
there are LR(0) states and LALR(1) states.
* src/lalr.h (state_t): Remove.
(state_table): Be state_t **, not state_t *.
* src/state.h (core, CORE_ALLOC): Rename as...
(state_t, STATE_ALLOC): this.
Add the LALR(1) members: shifts, reductions, errs.
* src/LR0.c (state_table): Rename as...
(state_hash): this, to avoid name clashes with the global
`state_table'.
* src/print_graph.c, src/LR0.c, src/LR0.h, src/conflicts.c
* src/lalr.c, src/lalr.h, src/output.c, src/print.c: Adjust.

22 years agoBison dumps core on bash.y.
Akim Demaille [Mon, 10 Dec 2001 08:44:49 +0000 (08:44 +0000)] 
Bison dumps core on bash.y.
Reported by Pascal Bart.
* src/warshall.c (bitmatrix_print): New.
(TC): Use it.
When performing a transitive closure R(i, j) && R(j, k) => R(i, k),
j must be the outer loop.
* tests/regression.at (Broken Closure): New.

22 years ago* tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and
Akim Demaille [Wed, 5 Dec 2001 10:59:35 +0000 (10:59 +0000)] 
* tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and
its argument.
Reported by Peter Hámorský.

22 years agoRegen.
Akim Demaille [Wed, 5 Dec 2001 09:47:22 +0000 (09:47 +0000)] 
Regen.

22 years ago* src/conflicts.c (err_table): Remove.
Akim Demaille [Wed, 5 Dec 2001 09:44:26 +0000 (09:44 +0000)] 
* src/conflicts.c (err_table): Remove.
(resolve_sr_conflict): Adjust.
* src/lalr.h (state_t.reduction_table, state_t.shift_table):
Rename as...
(state_t.reductions, state_t.shifts): this.

22 years ago* src/reduce.c (reduce_grammar_tables): No longer disable the
Akim Demaille [Wed, 5 Dec 2001 09:43:53 +0000 (09:43 +0000)] 
* src/reduce.c (reduce_grammar_tables): No longer disable the
removal of useless rules via CPP but via `if (0)', so that the
compiler still check the code is valid.
For instance, it should have noticed `rline' no longer exists: use
the `line' member of rule_t.
* src/gram.c (dummy, rline): Remove, unused.

22 years ago* src/output.c (pack_vector): Use assert, not berror.
Akim Demaille [Wed, 5 Dec 2001 09:43:21 +0000 (09:43 +0000)] 
* src/output.c (pack_vector): Use assert, not berror.
* src/main.c (berror): Remove, unused.

22 years agoNew experimental feature: if --verbose --trace output all the
Akim Demaille [Wed, 5 Dec 2001 09:41:15 +0000 (09:41 +0000)] 
New experimental feature: if --verbose --trace output all the
items of a state, not only its kernel.
* src/print.c (print_core): If `trace_flag', then invoke closure
before outputting the items of the state (print_core is no longer
a correct name them).
(print_results): Invoke new_closure/free_closure if needed.