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20 years agoFix YYRHSLOC problem reported by Frank Heckenbach.
Paul Eggert [Sun, 12 Dec 2004 09:26:07 +0000 (09:26 +0000)] 
Fix YYRHSLOC problem reported by Frank Heckenbach.

20 years ago(YYRHSLOC): Don't have two definitions, one for
Paul Eggert [Sun, 12 Dec 2004 09:25:45 +0000 (09:25 +0000)] 
(YYRHSLOC): Don't have two definitions, one for
the normal case and one for the error case.  Just use the
first one uniformly.  Problem reported by Frank Heckenbach.
(YYLLOC_DEFAULT): Use the conventions of yacc.c, so we can
use exactly the same macro in both places.
(yyerror_range): Now of type yyGLRStackItem, not YYLTYPE,
so that the normal-case YYRHSLOC works for the error case too.
All uses changed.

20 years ago(YYRHSLOC): New macro, taken from glr.c.
Paul Eggert [Sun, 12 Dec 2004 09:25:24 +0000 (09:25 +0000)] 
(YYRHSLOC): New macro, taken from glr.c.
(YYLLOC_DEFAULT): Use the same macro as glr.c.

20 years ago(Location Default Action): Don't claim that
Paul Eggert [Sun, 12 Dec 2004 09:24:56 +0000 (09:24 +0000)] 
(Location Default Action): Don't claim that
we have an array of locations.  Use the same macro for both glr
and lalr parsers.  Mention YYRHSLOC.  Mention what happens when
the index is 0.

20 years ago* HACKING: Update email addresses to send announcements to.
Paul Eggert [Sat, 11 Dec 2004 08:06:29 +0000 (08:06 +0000)] 
* HACKING: Update email addresses to send announcements to.

20 years agoUpdate email addresses to send announcements to.
Paul Eggert [Sat, 11 Dec 2004 08:06:10 +0000 (08:06 +0000)] 
Update email addresses to send announcements to.

20 years ago* configure.ac (AC_INIT): Bump version to 1.875f.
Paul Eggert [Sat, 11 Dec 2004 07:23:35 +0000 (07:23 +0000)] 
* configure.ac (AC_INIT): Bump version to 1.875f.

20 years ago(AC_INIT): Bump version to 1.875f.
Paul Eggert [Sat, 11 Dec 2004 07:23:21 +0000 (07:23 +0000)] 
(AC_INIT): Bump version to 1.875f.

20 years agoUpdate log file entry for latest checkin to tests/actions.at.
Paul Eggert [Sat, 11 Dec 2004 07:08:34 +0000 (07:08 +0000)] 
Update log file entry for latest checkin to tests/actions.at.

20 years ago(_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
Paul Eggert [Sat, 11 Dec 2004 07:07:48 +0000 (07:07 +0000)] 
(_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
specifying whether the test should be skipped.  Use it tp
specify that the [%defines %skeleton "lalr1.cc"] tests currently
fail on some hosts, and should be skipped.

20 years agoUpdate GNU m4 URL.
Paul Eggert [Sat, 11 Dec 2004 06:28:24 +0000 (06:28 +0000)] 
Update GNU m4 URL.

20 years agoVersion 1.875e.
Paul Eggert [Sat, 11 Dec 2004 06:26:25 +0000 (06:26 +0000)] 
Version 1.875e.

20 years agoInclude "complain.h", for "fatal".
Paul Eggert [Sat, 11 Dec 2004 06:16:44 +0000 (06:16 +0000)] 
Include "complain.h", for "fatal".

20 years ago(relation_print, relation_digraph):
Paul Eggert [Sat, 11 Dec 2004 06:13:07 +0000 (06:13 +0000)] 
(relation_print, relation_digraph):
Relation sizes are of type relation_node, not size_t (this is
merely a doc fix, since the two types are equivalent).
(relation_transpose): Relation sizes are of type relation_node,
not int.
(top, infinity): Now of type relation_node, not int.
(traverse, relation_transpose): Use relation_node, not int.

20 years ago(relation_print, relation_digraph):
Paul Eggert [Sat, 11 Dec 2004 06:12:41 +0000 (06:12 +0000)] 
(relation_print, relation_digraph):
Relation sizes are of type relation_node, not size_t (this is
merely a doc fix, since the two types are equivalent).
(relation_transpose): Relation sizes are of type relation_node,
not int.

20 years ago(yyuserAction, yyrecoverSyntaxError): Mark args
Paul Eggert [Sat, 11 Dec 2004 06:07:11 +0000 (06:07 +0000)] 
(yyuserAction, yyrecoverSyntaxError): Mark args
with ATTRIBUTE_UNUSED if they're not used, to avoid GCC warning.
(yyparse): Remove unused local introduced in 2004-10-25 patch.

20 years ago(_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
Paul Eggert [Sat, 11 Dec 2004 05:38:19 +0000 (05:38 +0000)] 
(_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
specifying whether the test is expected to fail.  Use it tp
specify that the [%defines %skeleton "lalr1.cc"] tests currently
fail.

20 years agoCorrect URLs to email messages, so that they work with new GNU
Paul Eggert [Sat, 11 Dec 2004 04:40:53 +0000 (04:40 +0000)] 
Correct URLs to email messages, so that they work with new GNU
organization.

20 years agoAdd Alexandre Duret-Lutz, Baron Schwartz, Frank Heckenbach, Guido
Paul Eggert [Sat, 11 Dec 2004 04:40:20 +0000 (04:40 +0000)] 
Add Alexandre Duret-Lutz, Baron Schwartz, Frank Heckenbach, Guido
Trentalancia, Peter Fales, Troy A. Johnson, Vin Shelton.  Change Paul
Eggert's email address.

20 years ago* src/system.h (CALLOC, MALLOC, REALLOC): Remove. All callers
Paul Eggert [Fri, 10 Dec 2004 07:50:44 +0000 (07:50 +0000)] 
* src/system.h (CALLOC, MALLOC, REALLOC): Remove.  All callers
changed to use xcalloc, xnmalloc, xnrealloc, respectively,
unless otherwise specified below.

* src/LR0.c (allocate_itemsets): Use xnmalloc, not xcalloc,
to allocate kernel_base, kernel_items, kernel_size, since
they needn't be initialized to 0.
(allocate_storgae): Likewise, for shiftset, redset, shift_symbol.
* src/closure.c (new_closure): Likewise, for itemset.
* src/derives.c (derives_compute): Likewise, for delts, derives, q.
* src/lalr.c (set_goto_map): Likewise, for temp_map.
(initialize_F): Likewise, for reads, edge, reads[i], includes[i].
(build_relations): Likewise for edge, states1, includes.
* src/nullable.c (nullable_compute): Likewise, for squeue, relts.
* src/reader.c (packgram): Likewise, for ritem, rules.
* src/reduce.c (nonterminals_reduce): Likewise for nontermmap.
* src/relation.c (relation_digraph): Likewise for VERTICES.
(relation_transpose): Likewise for new_R, end_R.
* src/symtab.c (symbols_token_translations_init): Likewise for
token_translations.
* src/tables.c (save_row): Likewise for froms, tos, conflict_tos.
(token_actions): Likewise for yydefact, actrow, conflrow,
conflict_list.
(save_column): Likewise for froms[symno], tos[symno].
(goto_actions): Likewise for state_count.
(pack_table): Likewise for base, pos, check.
(tables_generate): Likewise for width.

* src/LR0.c (set_states): Don't reuse kernel_size and kernel_base
for initial core.  Just have a separate core, so we needn't worry
about whether kernel_size and kernel_base are initialized.

* src/LR0.c (shift_symbol, redset, shiftset, kernel_base,
kernel_size, kernel_items): Remove unnecessary initialization.
* src/conflicts.c (conflicts): Likewise.
* src/derives.c (derives): Likewise.
* src/muscle_tablc (muscle_insert): Likewise.
* src/relation.c (relation_digraph): Likewise.
* src/tables.c (froms, tos, conflict_tos, tally, width, actrow, order,
conflrow, conflict_table, conflict_list, table, check):
Likewise.

* src/closure.c (new_closure): Arg is of type unsigned int, not int.
This is because all callers pass unsigned int.
* src/closure.h (new_closure): Likewise.

* src/lalr.c (initialize_F): Initialize reads[i] in all cases.
(build_relations): Initialize includes[i] in all cases.
* src/reader.c (packgram): Always initialize rules[ruleno].prec
and rules[ruleno].precsym.  Initialize members in order.
* src/relation.c (relation_transpose): Always initialize new_R[i]
and end_R[i].
* src/table.c (conflict_row): Initialize 0 at end of conflict_list.

* src/output.c (prepare_actions): Pass 0 instead of conflict_list[0];
conflict_list[0] was always 0, but now it isn't initialized.

* src/table.c (table_grow): When conflict_table grew, the grown
area wasn't cleared.  Fix this.

20 years ago(allocate_itemsets): Use xnmalloc, not xcalloc,
Paul Eggert [Fri, 10 Dec 2004 07:48:43 +0000 (07:48 +0000)] 
(allocate_itemsets): Use xnmalloc, not xcalloc,
to allocate kernel_base, kernel_items, kernel_size, since
they needn't be initialized to 0.
(set_states): Don't reuse kernel_size and kernel_base
for initial core.  Just have a separate core, so we needn't worry
about whether kernel_size and kernel_base are initialized.
(shift_symbol, redset, shiftset, kernel_base,
kernel_size, kernel_items): Remove unnecessary initialization.

20 years ago(CALLOC, MALLOC, REALLOC): Remove.
Paul Eggert [Fri, 10 Dec 2004 07:47:58 +0000 (07:47 +0000)] 
(CALLOC, MALLOC, REALLOC): Remove.

20 years agoAdd strdup.m4.
Paul Eggert [Thu, 9 Dec 2004 07:55:04 +0000 (07:55 +0000)] 
Add strdup.m4.

20 years agoAdd strdup.c, strdup.h.
Paul Eggert [Thu, 9 Dec 2004 07:54:47 +0000 (07:54 +0000)] 
Add strdup.c, strdup.h.

20 years agogoto-number minor cleanup.
Paul Eggert [Wed, 8 Dec 2004 07:30:21 +0000 (07:30 +0000)] 
goto-number minor cleanup.

20 years ago(save_column, default_goto):
Paul Eggert [Wed, 8 Dec 2004 05:54:51 +0000 (05:54 +0000)] 
(save_column, default_goto):
Use goto_number, not int, for goto numbers.

20 years ago(set_goto_map): Don't allow ngotos to equal
Paul Eggert [Wed, 8 Dec 2004 05:54:20 +0000 (05:54 +0000)] 
(set_goto_map): Don't allow ngotos to equal
GOTO_NUMBER_MAXIMUM, since we occasionally compute
ngotos + 1 without checking for overflow.
(build_relations): Use END_NODE, not -1, to denote end of edges.
(set_goto_map, map_goto, initialize_F, add_loopback_edge,
build_relations): Use goto_number, not int, for goto numbers.

20 years ago(GOTO_NUMBER_MAXIMUM): New macro.
Paul Eggert [Wed, 8 Dec 2004 05:53:55 +0000 (05:53 +0000)] 
(GOTO_NUMBER_MAXIMUM): New macro.

20 years ago2004-11-23 Akim Demaille <akim@epita.fr>
Akim Demaille [Tue, 23 Nov 2004 19:56:12 +0000 (19:56 +0000)] 
2004-11-23  Akim Demaille  <akim@epita.fr>

* data/lalr1.cc (YYSTYPE): Define it as is done for C, instead
of #defining from yystype.
Don't typedef yystype, C++ does not need it.
This lets it possible to forward declare it as union.

20 years ago* bootstrap (gnulib_modules): Add extensions.
Paul Eggert [Tue, 23 Nov 2004 08:50:37 +0000 (08:50 +0000)] 
* bootstrap (gnulib_modules): Add extensions.

20 years ago(gnulib_modules): Add extensions.
Paul Eggert [Tue, 23 Nov 2004 08:50:17 +0000 (08:50 +0000)] 
(gnulib_modules): Add extensions.

20 years agoXFREE -> free
Paul Eggert [Mon, 22 Nov 2004 21:05:25 +0000 (21:05 +0000)] 
XFREE -> free

20 years ago* data/lalr1.cc (symprint_): Use cdebug_ to avoid warnings.
Akim Demaille [Wed, 17 Nov 2004 16:48:45 +0000 (16:48 +0000)] 
* data/lalr1.cc (symprint_): Use cdebug_ to avoid warnings.

20 years ago Alexandre Duret-Lutz <adl@gnu.org>
Akim Demaille [Wed, 17 Nov 2004 16:17:50 +0000 (16:17 +0000)] 
Alexandre Duret-Lutz <adl@gnu.org>
* data/lalr1.cc (Parser::yycdebug_): New, a pointer, to allow
changes.
(YYCDEBUG): Adjust.
Use it instead of cdebug_.
(Parser::debug_stream, Parser::set_debug_stream): New.
(Parser::symprint_): Define cdebug_ for temporary backward
compatibility.
* tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use
debug_stream ().

20 years agoRemove an entry that was not actually committed, yet.
Akim Demaille [Wed, 17 Nov 2004 16:12:46 +0000 (16:12 +0000)] 
Remove an entry that was not actually committed, yet.

20 years ago* data/lalr1.cc (Parser:print_): Remove, use %printer instead.
Akim Demaille [Wed, 17 Nov 2004 14:19:37 +0000 (14:19 +0000)] 
* data/lalr1.cc (Parser:print_): Remove, use %printer instead.
* tests/regression.at (_AT_DATA_DANCER_Y): Adjust.
* tests/calc.at (_AT_DATA_CALC_Y): Ditto.
* tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.

20 years agoThis ChangeLog entry belongs to the previous patch.
Akim Demaille [Wed, 17 Nov 2004 14:13:38 +0000 (14:13 +0000)] 
This ChangeLog entry belongs to the previous patch.

20 years agoFix wording problem in comment.
Paul Eggert [Wed, 27 Oct 2004 22:22:51 +0000 (22:22 +0000)] 
Fix wording problem in comment.

20 years ago* data/glr.c (yyloc_default): Remove; not used.
Paul Eggert [Wed, 27 Oct 2004 22:20:01 +0000 (22:20 +0000)] 
* data/glr.c (yyloc_default): Remove; not used.

20 years ago(yyloc_default): Remove; not used.
Paul Eggert [Wed, 27 Oct 2004 22:19:44 +0000 (22:19 +0000)] 
(yyloc_default): Remove; not used.

20 years agoGoto numbers are no longer arbitrarily limited to 16-bit counts.
Paul Eggert [Mon, 25 Oct 2004 16:26:20 +0000 (16:26 +0000)] 
Goto numbers are no longer arbitrarily limited to 16-bit counts.

20 years ago* data/glr.c (YYRHSLOC): Move its definition next to its uses.
Akim Demaille [Mon, 25 Oct 2004 10:37:35 +0000 (10:37 +0000)] 
* data/glr.c (YYRHSLOC): Move its definition next to its uses.
Introduce another definition to address simple location arrays.
(yyGLRStack): New member: yyerror_range.
(yyrecoverSyntaxError, yyparse): Update it.
(yyrecoverSyntaxError): Use it when shifting the error token to
have an accurate range, equivalent to the one computed by both
yacc.c and lalr1.cc.
* tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Change its yylex so
that column numbers start at column 0, as per GNU Coding
Standards, the others tests, and the doc.
(_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT_WITH_LOC):
Adjust to the above change (first column is 0).
And adjust the location of the "<error>", now covering the whole
line.

20 years agoRemove some arbitrary limits on goto numbers and relations.
Paul Eggert [Fri, 22 Oct 2004 23:35:17 +0000 (23:35 +0000)] 
Remove some arbitrary limits on goto numbers and relations.

20 years agoUse size_t rather than unsigned int in previous patch.
Paul Eggert [Fri, 22 Oct 2004 23:14:00 +0000 (23:14 +0000)] 
Use size_t rather than unsigned int in previous patch.

20 years ago(END_NODE): New macro.
Paul Eggert [Fri, 22 Oct 2004 23:10:39 +0000 (23:10 +0000)] 
(END_NODE): New macro.
(relation_node): Now unsigned int, not short int.

20 years ago(relation_print, traverse, relation_transpose):
Paul Eggert [Fri, 22 Oct 2004 23:10:07 +0000 (23:10 +0000)] 
(relation_print, traverse, relation_transpose):
Check for END_NODE rather than looking at sign.

20 years ago(goto_number): Now unsigned int, not short int.
Paul Eggert [Fri, 22 Oct 2004 23:09:27 +0000 (23:09 +0000)] 
(goto_number): Now unsigned int, not short int.
(GOTO_NUMBER_MAXIMUM): Remove.

20 years ago(goto_map, ngotos, from_state, to_state): Omit
Paul Eggert [Fri, 22 Oct 2004 23:08:33 +0000 (23:08 +0000)] 
(goto_map, ngotos, from_state, to_state): Omit
initial values, since they're never used.
(set_goto_map): ngotos is now unsigned, so test for overflow

20 years agodoc/bison.texinfo (Language and Grammar): In example, "int" is a
Paul Eggert [Fri, 22 Oct 2004 18:12:50 +0000 (18:12 +0000)] 
doc/bison.texinfo (Language and Grammar): In example, "int" is a
keyword, not an identifier.

20 years ago(Language and Grammar): In example, "int" is a keyword, not an identifier.
Paul Eggert [Fri, 22 Oct 2004 18:10:59 +0000 (18:10 +0000)] 
(Language and Grammar): In example, "int" is a keyword, not an identifier.

20 years ago* src/symtab.c (symbol_check_alias_consistency): Also check
Akim Demaille [Mon, 11 Oct 2004 09:03:55 +0000 (09:03 +0000)] 
* src/symtab.c (symbol_check_alias_consistency): Also check
type names, destructors, and printers.
Reported by Alexandre Duret-Lutz.
Recode the handling of associativity and precedence in terms
of symbol_precedence_set.
Accept no redeclaration at all, not even equal to the previous
value.
(redeclaration): New.
Use it to factor redeclaration complaints.
(symbol_make_alias): Don't set the type of the alias, let
symbol_check_alias_consistency do it as for other features.
* src/symtab.h (symbol): Add new member prec_location, and
type_location.
* src/symtab.c (symbol_precedence_set, symbol_type_set): Set them.
* tests/input.at (Incompatible Aliases): New.

20 years agoRegenerate.
Paul Eggert [Sat, 9 Oct 2004 18:08:21 +0000 (18:08 +0000)] 
Regenerate.

20 years ago.cvsignore fixes to accommodate gnulib changes,
Paul Eggert [Sat, 9 Oct 2004 17:59:04 +0000 (17:59 +0000)] 
.cvsignore fixes to accommodate gnulib changes,
and the practice of naming build directories "_build".

20 years agoAdd "*_gl.m4".
Paul Eggert [Sat, 9 Oct 2004 17:57:39 +0000 (17:57 +0000)] 
Add "*_gl.m4".

20 years agoAdd getopt_.h, xalloc-die.c.
Paul Eggert [Sat, 9 Oct 2004 17:57:21 +0000 (17:57 +0000)] 
Add getopt_.h, xalloc-die.c.

20 years agoAdd "_*". Sort.
Paul Eggert [Sat, 9 Oct 2004 17:57:06 +0000 (17:57 +0000)] 
Add "_*".  Sort.

20 years ago* src/parse-gram.y (add_param): Fix the truncation of trailing
Akim Demaille [Wed, 6 Oct 2004 15:52:24 +0000 (15:52 +0000)] 
* src/parse-gram.y (add_param): Fix the truncation of trailing
spaces.

20 years agoWord changes.
Akim Demaille [Tue, 5 Oct 2004 09:58:58 +0000 (09:58 +0000)] 
Word changes.

20 years agoRegen.
Akim Demaille [Tue, 5 Oct 2004 08:41:44 +0000 (08:41 +0000)] 
Regen.

20 years agoIn Bison 1.875's yacc.c, YYLLOC_DEFAULT was called regardless
Akim Demaille [Tue, 5 Oct 2004 08:39:17 +0000 (08:39 +0000)] 
In Bison 1.875's yacc.c, YYLLOC_DEFAULT was called regardless
whether the reducion was empty or not.  This leaves room to
improve the use of YYLLOC_DEFAULT in such a case.
lalr1.cc is still experimental, so changing this is acceptable.
And finally, there are probably not many users who changed the
handling of locations in GLR, so changing is admissible too.
* data/glr.c, data/lalr1.cc, data/yacc.c (YYLLOC_DEFAULT): On an
empty reduction, set @$ to an empty location ending the previously
stacked symbol.
Adjust uses to make sure the code is triggered on empty
reductions.
* tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust the
expected output: empty reductions have empty locations.

20 years ago* data/lalr1.cc: Move towards a more standard C++ coding style
Akim Demaille [Wed, 29 Sep 2004 12:49:50 +0000 (12:49 +0000)] 
* data/lalr1.cc: Move towards a more standard C++ coding style
for templates: Class < T > -> Class<T>.

20 years ago* data/lalr1.cc: Reinstall the former ctor, for sake of
Akim Demaille [Wed, 29 Sep 2004 12:41:58 +0000 (12:41 +0000)] 
* data/lalr1.cc: Reinstall the former ctor, for sake of
compatibility, but warn it will be removed.
Move towards a more standard C++ coding style (i.e., type *var ->
type* var).

20 years agoFix comment in latest checkin; there wasn't a bug.
Paul Eggert [Mon, 27 Sep 2004 22:06:45 +0000 (22:06 +0000)] 
Fix comment in latest checkin; there wasn't a bug.

20 years ago* src/parse-gram.y (add_param): Fix bug where NUL was mishandled.
Paul Eggert [Mon, 27 Sep 2004 22:04:13 +0000 (22:04 +0000)] 
* src/parse-gram.y (add_param): Fix bug where NUL was mishandled.

20 years ago(add_param): Fix bug where NUL was mishandled.
Paul Eggert [Mon, 27 Sep 2004 22:03:42 +0000 (22:03 +0000)] 
(add_param): Fix bug where NUL was mishandled.
Avoid the use of strchr to avoid future recurrences.

20 years ago* data/yacc.c (YY_LOCATION_PRINT): Fix its default declaration.
Akim Demaille [Mon, 27 Sep 2004 07:47:47 +0000 (07:47 +0000)] 
* data/yacc.c (YY_LOCATION_PRINT): Fix its default declaration.

20 years ago* data/lalr1.cc (b4_parse_param_decl_1): New.
Akim Demaille [Mon, 27 Sep 2004 07:45:09 +0000 (07:45 +0000)] 
* data/lalr1.cc (b4_parse_param_decl_1): New.
(b4_parse_param_decl): Use it to have different names bw attribute
and argument names.
(b4_cc_constructor_call): Likewise.

20 years ago* src/parse-gram.y (add_param): Strip the leading and trailing
Akim Demaille [Mon, 27 Sep 2004 07:42:04 +0000 (07:42 +0000)] 
* src/parse-gram.y (add_param): Strip the leading and trailing
blanks from a formal argument declaration.
(YY_LOCATION_PRINT): New.

20 years ago* data/c.m4 (b4_yysymprint_generate): Move the YYINPUT invocation
Akim Demaille [Fri, 24 Sep 2004 14:14:58 +0000 (14:14 +0000)] 
* data/c.m4 (b4_yysymprint_generate): Move the YYINPUT invocation
after the location.

20 years ago* doc/bison.texinfo (Table of Symbols): Sort.
Akim Demaille [Fri, 24 Sep 2004 11:55:40 +0000 (11:55 +0000)] 
* doc/bison.texinfo (Table of Symbols): Sort.

20 years ago* data/yacc.c, data/glr.c (b4_at_dollar, b4_dollar_dollar): Remove
Akim Demaille [Tue, 21 Sep 2004 06:59:19 +0000 (06:59 +0000)] 
* data/yacc.c, data/glr.c (b4_at_dollar, b4_dollar_dollar): Remove
the useless parentheses.
Suggested by Paul Eggert.

20 years agoLet the initial-action act on the look-ahead, and use it for the
Akim Demaille [Mon, 20 Sep 2004 15:25:25 +0000 (15:25 +0000)] 
Let the initial-action act on the look-ahead, and use it for the
"initial push" (corresponding to an hypothetical beginning-of-file).
And let lalr1.cc honor %initial-action.
* doc/bison.texinfo (Initial Action Decl): Clarify, and add an
example.
* data/lalr1.cc (Parser::initlocation_): Remove, bad experiment.
(Parser::Parser): Remove the ctor that used to initialize it.
(Parser::parse): Like in the other skeletons, issue the "starting
parse" message before any action.
Honor %initial-action.
Initialize the stacks with the lookahead.
* data/yacc.c: Let $$ and @$ in %initial-action designate the
look-ahead.
Push them in the stacks.
* tests/actions.at, tests/calc.at: Adjust the C++ ctor invocations.

20 years ago* doc/bison.texinfo (Initial Action Decl): New.
Akim Demaille [Mon, 20 Sep 2004 14:29:31 +0000 (14:29 +0000)] 
* doc/bison.texinfo (Initial Action Decl): New.

20 years ago* data/yacc.c (YY_LOCATION_PRINT): Use YYLTYPE_IS_TRIVIAL as a
Akim Demaille [Mon, 20 Sep 2004 12:24:45 +0000 (12:24 +0000)] 
* data/yacc.c (YY_LOCATION_PRINT): Use YYLTYPE_IS_TRIVIAL as a
clearer criterion to define it.
(parse): Initialize the initial location when YYLTYPE_IS_TRIVIAL.
When reducing on an empty RHS, use the latest stacked location as
location.
yylloc is not always available.
* data/glr.c: Likewise.
Also, honor initial-actions.

20 years ago* data/yacc.c (YY_LOCATION_PRINT): New.
Akim Demaille [Mon, 20 Sep 2004 09:32:55 +0000 (09:32 +0000)] 
* data/yacc.c (YY_LOCATION_PRINT): New.
Define when we know YYLTYPE's structure, i.e., when the default
YYLLOC_DEFAULT is used.
* data/c.m4 (b4_yysymprint_generate): Use it.
* data/lalr1.cc (YYLLOC_DEFAULT): Stop relying on the initial
value of the result.
(error_start_): Replace with...
(error_range_): this location array.
This allows to replace code relying on the implementation of
locations by portable code.
* data/yacc.c (yylerrsp): Replace with...
(yyerror_range): this.
Every time a token is popped, update yyerror_range[0], to have an
accurate location for the error token.
* data/glr.c (YY_LOCATION_PRINT): New.
(yyprocessOneStack): Fix an invocation of YY_SYMBOL_PRINT:
deference a pointer.
* tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): No longer
report the location in %printers.
* src/scan-skel.l: Instead of abort, report error messages to ease
understanding skeleton scanning failures.

20 years ago* data/lalr1.cc (Stack::Iterator, Stack::ConstIterator): Rename as...
Akim Demaille [Thu, 16 Sep 2004 14:41:18 +0000 (14:41 +0000)] 
* data/lalr1.cc (Stack::Iterator, Stack::ConstIterator): Rename as...
(iterator, const_iterator): these, to be more in the C++ spirit.
Also, return reverse iterators so that when displaying the stack
we display its bottom first.
(Parser::stack_print_, Parser::reduce_print_): Match the messages
from yacc.c.
We should probably use vector here though.

20 years agoHave more complete shift traces.
Akim Demaille [Thu, 16 Sep 2004 14:14:27 +0000 (14:14 +0000)] 
Have more complete shift traces.
* data/yacc.c, data/lalr1.c, data/glr.c: Use YY_SYMBOL_PRINT
to report Shifts instead of ad hoc YYDPRINTF invocations,
including for the error token.
* data/lalr1.cc (symprint_): Output the location.
* tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): In C++, don't
output the location within the %printer.
Activate GLR tests, at least to make sure they compile properly.
They still don't pass though.
* tests/calc.at: Adjust expect verbose output, since now "Entering
state..." is on a different line than the "Shifting" message.

20 years ago* tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Move the
Akim Demaille [Wed, 8 Sep 2004 14:36:25 +0000 (14:36 +0000)] 
* tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Move the
Bison directive from the Bison file to the invocation of this
macro, so that these directives are passed to
AT_BISON_OPTION_PUSHDEFS to get correct help macros.
Use these helping macros (e.g., AT_LOC, AT_VAL and so forth).
Move the AT_SETUP/AT_CLEANUP outside, to report as test title
the extra Bison directives instead of the whole series.
Change the grammar so that there are recoverable errors, and
unrecoverable errors.  Now we can have the parser give up before
consuming the whole input.  As a result we now can observe that
the lookahead is freed when needed.
Change the parser source to parse argv[1] instead of a hard coded
string.
Simplify yylex, and give a value and location to EOF.
Simplify some invocations of AT_CHECK_PRINTER_AND_DESTRUCTOR that
passed directives already coded in the file.
Add some tests to check the location of "error".
For some tests, the C++ parser is correct, and not yacc.c.
For other tests, they provide different, but unsatisfying, values,
so keep the C++ value so that at least one parser is "correct"
according to the test suite.
(Actions after errors): Remove, this is subsumed by the
AT_CHECK_PRINTER_AND_DESTRUCTOR series.

20 years ago* data/lalr1.cc: Adjust the indentation of the labels.
Akim Demaille [Mon, 6 Sep 2004 14:32:05 +0000 (14:32 +0000)] 
* data/lalr1.cc: Adjust the indentation of the labels.
Use it.

20 years ago* data/yacc.cc, data/glr.cc (yydestruct): Accept an additional
Akim Demaille [Mon, 6 Sep 2004 10:29:52 +0000 (10:29 +0000)] 
* data/yacc.cc, data/glr.cc (yydestruct): Accept an additional
argument, an informative message.
Call YY_SYMBOL_PRINT.
Adjust all callers: integrate the associated YY_SYMBOL_PRINT.
* data/lalr1.cc (destruct_): Likewise.
In addition, no longer depend on b4_yysymprint_generate and
b4_yydestruct_generate to generate these functions, do it "by
hand".

20 years ago* data/glr.c, data/lalr1.cc, data/yacc.c: When YYABORT was
Akim Demaille [Mon, 6 Sep 2004 07:48:20 +0000 (07:48 +0000)] 
* data/glr.c, data/lalr1.cc, data/yacc.c: When YYABORT was
invoked, yydestruct the lookahead.
* tests/calc.at (Calculator $1): Update the expected lengths of
traces: there is an added line for the discarded lookahead.
* doc/bison.texinfo (Destructor Decl): Some rewording.
Define "discarded" symbols.

20 years ago* data/lalr1.cc (translate_, destruct_): No reason to be static.
Akim Demaille [Thu, 2 Sep 2004 14:30:55 +0000 (14:30 +0000)] 
* data/lalr1.cc (translate_, destruct_): No reason to be static.

20 years ago* data/glr.c, yacc.c (YYDSYMPRINT): Remove, not used.
Akim Demaille [Thu, 2 Sep 2004 14:27:02 +0000 (14:27 +0000)] 
* data/glr.c, yacc.c (YYDSYMPRINT): Remove, not used.
(YYDSYMPRINTF): Rename as...
(YY_SYMBOL_PRINT): this.
* data/lalr1.cc (YY_SYMBOL_PRINT): New, modeled after the previous
two.
Use it instead of direct symprint_ calls.
(yybackup): Tweak the "Now at end of input" case to match yacc.c's
one.

20 years agoFix ChangeLog.
Akim Demaille [Thu, 2 Sep 2004 13:25:23 +0000 (13:25 +0000)] 
Fix ChangeLog.

20 years ago* tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust
Akim Demaille [Thu, 2 Sep 2004 13:04:11 +0000 (13:04 +0000)] 
* tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust
%printer calls to use cdebug_ when using lalr1.cc.
* data/lalr1.cc (b4_yysymprint_generate): New.

20 years ago* data/glr.c: Guard the declarations of yypstack and yypdumpstack
Akim Demaille [Mon, 30 Aug 2004 07:50:08 +0000 (07:50 +0000)] 
* data/glr.c: Guard the declarations of yypstack and yypdumpstack
with #ifdef YYDEBUG.

20 years ago* doc/bison.texinfo (Implementing Loops): Rename as...
Akim Demaille [Thu, 26 Aug 2004 13:05:41 +0000 (13:05 +0000)] 
* doc/bison.texinfo (Implementing Loops): Rename as...
(Implementing Gotos/Loops): this.

20 years agoRegenerate.
Paul Eggert [Wed, 18 Aug 2004 20:35:31 +0000 (20:35 +0000)] 
Regenerate.

20 years agoAdjust to latest gnulib.
Paul Eggert [Fri, 13 Aug 2004 14:29:05 +0000 (14:29 +0000)] 
Adjust to latest gnulib.

20 years agoAdjust to latest gnulib.
Paul Eggert [Fri, 13 Aug 2004 14:28:43 +0000 (14:28 +0000)] 
Adjust to latest gnulib.
(gnulib_modules): Add xalloc-die.
Set LC_ALL=C so that file names sort consistently.
Prefer the gnulib copies of gettext.m4, glibc21.m4,
inttypes_h.m4, lib-ld.m4, lib-prefix.m4, po.m4, stdint_h.m4,
uintmax_t.m4, ulonglong.m4.
(intl_files_to_remove): Add gettext.m4, lib-ld.m4, lib-prefix.m4,
po.m4 since we are now using _gl.m4 instead.

20 years agoRemove src/scan-action.l.
Paul Eggert [Wed, 11 Aug 2004 04:19:14 +0000 (04:19 +0000)] 
Remove src/scan-action.l.

20 years agouniqstr wasn't being used for handle_syncline like it should.
Paul Eggert [Sun, 8 Aug 2004 04:57:06 +0000 (04:57 +0000)] 
uniqstr wasn't being used for handle_syncline like it should.

20 years agoFix bug with non-%union parsers that have printers or destructors,
Paul Eggert [Thu, 22 Jul 2004 14:42:11 +0000 (14:42 +0000)] 
Fix bug with non-%union parsers that have printers or destructors,
which led to a Bison core dump.

20 years ago(_AT_CHECK_PRINTER_AND_DESTRUCTOR,
Paul Eggert [Thu, 22 Jul 2004 14:40:21 +0000 (14:40 +0000)] 
(_AT_CHECK_PRINTER_AND_DESTRUCTOR,
AT_CHECK_PRINTER_AND_DESTRUCTOR): New argument
UNION-FLAG.  All callers changed.
(_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't assume %union.
Use type char, not unsigned int, when declaring an array of char;
this lets us remove a cast.
(Printers and Destructors): Add non-%union test cases.

20 years ago(symbol_destructors_output, symbol_printers_output):
Paul Eggert [Thu, 22 Jul 2004 14:39:58 +0000 (14:39 +0000)] 
(symbol_destructors_output, symbol_printers_output):
Don't assume %union.

20 years ago(yystype) [defined YYSTYPE]: Define to YYSTYPE, not to our own type.
Paul Eggert [Thu, 22 Jul 2004 14:39:34 +0000 (14:39 +0000)] 
(yystype) [defined YYSTYPE]: Define to YYSTYPE, not to our own type.

20 years ago(b4_symbol_actions): Don't assume %union was used.
Paul Eggert [Thu, 22 Jul 2004 14:39:03 +0000 (14:39 +0000)] 
(b4_symbol_actions): Don't assume %union was used.

20 years agoReorganize GLR section a bit.
Paul Eggert [Tue, 22 Jun 2004 06:50:29 +0000 (06:50 +0000)] 
Reorganize GLR section a bit.

20 years agoOne more "lookahead" -> "look-ahead" change.
Paul Eggert [Mon, 21 Jun 2004 21:01:42 +0000 (21:01 +0000)] 
One more "lookahead" -> "look-ahead" change.

20 years agoNew section "Simple GLR Parsers".
Paul Eggert [Mon, 21 Jun 2004 20:55:20 +0000 (20:55 +0000)] 
New section "Simple GLR Parsers".