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1ccbf4bb8b4d1d79e6de7b6aa747920a9af8ea10
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379 Commits

Author SHA1 Message Date
Paul Eggert
1ccbf4bb8b (YYPOINTER): New macro. 
(YYSTACK_RELOCATE): Use it to avoid a GCC warning.
(yystpcpy): Use prototype if __STDC__ is defined, not just
if __cplusplus is defined.
 2001-12-04 13:28:18 +00:00
Akim Demaille
a69f6fa569 * configure.in (WARNING_CFLAGS): Add -Werror when possible. 
(CFLAGS): Do not include the WARNING_CFLAGS here, since GNU
Gettext doesn't compile cleanly, and dies with -Werror.
* src/Makefile.am, lib/Makefile.am, tests/atlocal.in (CFLAGS):
Include WARNING_CFLAGS here.
* lib/xstrdup.c: Include xalloc.h, so that xstrdup be declared
before being defined.
 2001-11-30 14:23:47 +00:00
Akim Demaille
fc7ddd2818 * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty 
if body instead of `;' to pacify GCC's warnings.
 2001-11-30 13:14:10 +00:00
Akim Demaille
9e55edfc29 * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty 
if body instead of `;' to pacify GCC's warnings.
 2001-11-30 11:11:08 +00:00
Akim Demaille
d39a6b7ca9 Instead of mapping the LHS of unused rules to -1, keep the LHS 
valid, but flag the rules as invalid.
* src/gram.h (rule_t): `useful' is a new member.
* src/print.c (print_grammar): Adjust.
* src/derives.c (set_derives): Likewise.
* src/reader.c (packgram, reduce_output): Likewise.
* src/reduce.c (reduce_grammar_tables): Likewise.
* tests/reduce.at (Underivable Rules, Useless Rules): New.
 2001-11-30 10:46:08 +00:00
Akim Demaille
d287d66a69 * src/reduce.c (reduce_output): Formatting changes. 
* src/print.c (print_results, print_grammar): Likewise.
* tests/regression.at (Rule Line Numbers)
(Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
 2001-11-30 10:45:45 +00:00
Akim Demaille
ea451a17d7 * src/reduce.c (nonterminals_reduce): Instead of throwing away 
useless nonterminals, move them at the end of the symbol arrays.
(reduce_output): Adjust.
* tests/reduce.at (Useless Nonterminals): Adjust.
 2001-11-30 10:45:28 +00:00
Akim Demaille
24b1e65f04 * src/reduce.c: Various comment/formatting changes. 
(nonterminals_reduce): New, extracted from...
(reduce_grammar_tables): here.
(reduce_grammar): Call nonterminals_reduce.
 2001-11-30 10:45:14 +00:00
Paul Eggert
7ad28769d6 (YYSTACK_REALLOC): Remove. 
(YYSTACK_ALLOC): Resurrect this macro, with its old meaning.
(YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE):
New macros.
(union yyalloc): New type.
(__yy_memcpy): Last arg is size_t, not unsigned int, to remove
an arbitrary restriction on hosts where size_t is wider than int.

(yyparse): Don't dump core if alloca or malloc fails; instead, report
a parser stack overflow.  Allocate just one block of memory for all
three stacks, instead of allocating three blocks; this typically is
faster and reduces fragmentation.

Do not limit the number of items in the stack to a value that fits
in 'int', as this is an arbitrary limit on hosts with 64-bit
size_t and 32-bit int.
 2001-11-30 02:47:56 +00:00
Akim Demaille
ad4c2c7a57 * src/LR0.c (shifts_new): New. 
(save_shifts, insert_start_shift, augment_automaton): Use it.
 2001-11-28 14:57:44 +00:00
Akim Demaille
0785dec2c8 * src/closure.c (closure): b' and ruleno' denote the same value: 
keep ruleno only.
 2001-11-28 14:57:30 +00:00
Akim Demaille
e1828f4f07 * src/closure.c (closure): Instead of looping over word in array 
then bits in words, loop over bits in array.
 2001-11-28 14:57:16 +00:00
Akim Demaille
a816bf3eac * src/closure.c (closure): No longer optimize the special case 
where all the bits of `ruleset[r]' are set to 0, to make the code
clearer.
 2001-11-28 14:57:02 +00:00
Akim Demaille
2ce6476804 * src/closure.c (closure): r' and c' are new variables, used to 
de-obfuscate accesses to RULESET and CORE.
 2001-11-28 14:55:38 +00:00
Akim Demaille
457b6d1e72 * src/reduce.c (reduce_print): Use ngettext. 
(dump_grammar): Improve the trace accuracy.
 2001-11-28 13:38:15 +00:00
Akim Demaille
79ebbdb36a * src/reduce.c (dump_grammar): Don't translate trace messages. 2001-11-28 11:58:00 +00:00
Akim Demaille
0aa2ac9063 * tests/reduce.at (Useless Terminals, Useless Nonterminals): New. 
* src/reduce.c (reduce_grammar_tables): Do not free useless tags,
as all tags are free'ed afterwards.
From Enrico Scholz.
 2001-11-28 11:42:56 +00:00
Akim Demaille
e7d79012ae * src/system.h: Use intl/libgettext.h. 
* src/Makefile.am (INCLUDES): Add -I $(top_srcdir).
 2001-11-28 10:32:48 +00:00
Paul Eggert
eb4a4d73bc * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to 
use alloca when we didn't want to, and vice versa.
 2001-11-27 23:31:47 +00:00
Akim Demaille
4bfeeafb00 * src/files.c: Include error.h. 
From Hans Aberg.
 2001-11-27 18:42:32 +00:00
Akim Demaille
674fd9acbc * src/reader.c (readgram): Make sure rules for mid-rule actions 
have a lineno equal to that of their host rule.
Reported by Hans Aberg.
* tests/regression.at (Rule Line Numbers): New.
 2001-11-26 15:24:06 +00:00
Akim Demaille
6fedd4d1d6 * src/LR0.c (allocate_itemsets): kernel_size contains ints, not 
size_ts.
Reported by Hans Aberg.
 2001-11-26 13:01:10 +00:00
Akim Demaille
abe1baa044 * src/complain.c, src/complain.h (error): Remove, provided by 
lib/error.[ch].
 2001-11-26 11:26:35 +00:00
Akim Demaille
33285af04d * src/reader.c (read_declarations): Don't abort on tok_illegal, 
issue an error message.
* tests/regression.at (Invalid %directive): New.
Reported by Hans Aberg.
 2001-11-26 09:49:58 +00:00
Akim Demaille
cd7f95831e * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE. 
* lib/Makefile.am (libbison_a_SOURCES): Adjust.
 2001-11-26 09:19:56 +00:00
Akim Demaille
1b9a8440cd * src/conflicts.c (conflicts_print): Don't complain at all when 
there are no reduce/reduce conflicts, and as many shift/reduce
conflicts as expected.
* tests/regression.at (%expect right): Adjust.
 2001-11-26 09:18:40 +00:00
Akim Demaille
16c4a35041 * src/system.h: Include alloca.h. 
* src/main.c (main) [C_ALLOCA]: Call alloca (0).
 2001-11-23 14:13:19 +00:00
Akim Demaille
f0451dba71 * src/print_graph.c (print_actions): Remove `rule', unused. 
* src/LR0.c (kernel_size): Contain `int' instead of `size_t' to
pacify GCC's signed < unsigned warnings.
* src/closure.c (itemsetsize): Likewise.
* src/reader.c (symbol_list_new): Static.
 2001-11-23 14:04:08 +00:00
Akim Demaille
a9f37dee0c Attaching lineno to buckets is stupid, since only one copy of each 
symbol is kept, only the line of the first occurrence is kept too.
* src/symtab.h, src/symtab.c (bucket): Remove the line member.
* src/reader.c (rline_allocated): Remove, unused.
(symbol_list): Have a `line' member.
(symbol_list_new): New.
(readgram): Use it.
* src/print.c (print_grammar): Output the rule line numbers.
* tests/regression.at (Solved SR Conflicts)
(Unresolved SR Conflicts): Adjust.
Reported by Hans Aberg.
 2001-11-23 14:03:43 +00:00
Akim Demaille
2b7c2ef124 * src/conflicts.c (conflicts_print): Add a missing n. 2001-11-19 11:07:50 +00:00
Akim Demaille
560757768c * src/nullable.c (nullable_print): New. 
(set_nullable): Call it when tracing.
Better locality of variables.
 2001-11-19 09:27:37 +00:00
Akim Demaille
238b8134ec * src/print.c (print_actions): Better locality of variables. 2001-11-19 09:27:24 +00:00
Akim Demaille
483642486d * src/derives.c (print_derives): Fix and enrich. 
* src/closure.c (print_fderives): Likewise.
 2001-11-19 09:27:11 +00:00
Akim Demaille
146ad4c8d0 * src/closure.c (itemsetend): Remove, replaced with... 
(itemsetsize): new.
 2001-11-19 09:26:57 +00:00
Akim Demaille
f2a4c94506 * src/LR0.c (kernel_end): Remove, replaced with... 
(kernel_size): new.
 2001-11-19 09:26:43 +00:00
Akim Demaille
65fae038b9 * src/conflicts.c (set_conflicts): Use arrays instead of pointers 
to clarify.
 2001-11-19 09:26:30 +00:00
Akim Demaille
e1cb5fb523 * src/closure.c (closure): Use arrays instead of pointers to clarify. 2001-11-19 09:26:17 +00:00
Akim Demaille
64fabbb49f * src/closure.c, src/derives.c, src/nullable.c: Adjust various 
trace messages.
* src/LR0.c: Likewise.
(allocate_itemsets): Use arrays instead of pointers to clarify.
 2001-11-19 09:25:36 +00:00
Akim Demaille
3b2925a060 * src/getargs.c (statistics_flag): Replace with... 
(trace_flag): New.
(longopts): Accept --trace instead of --statistics.
* src/getargs.h: Adjust.
* src/LR0.c, src/closure.c, src/derives.c, src/nullable.c,
* src/reduce.c: Use trace_flags instead of the CPP conditional TRACE.
 2001-11-19 09:21:26 +00:00
Akim Demaille
83bcf86639 * src/LR0.c (new_itemsets, get_state): Use more arrays and less 
pointers to clarify the code.
(save_reductions, save_shifts): Factor common parts of alternatives.
 2001-11-19 09:17:53 +00:00
Akim Demaille
8639df64a6 * src/LR0.c (new_state, get_state): Complete TRACE code. 
* src/closure.c: Include `reader.h' to get `tags', needed by the
trace code.
Rename the conditional DEBUG as TRACE.
Output consistently TRACEs to stderr, not stdout.
* src/derives.c: Likewise.
* src/reduce.c: (inaccessable_symbols): Using if is better style
than goto.
Use `#if TRACE' instead of `#if 0' for tracing code.
 2001-11-19 09:16:24 +00:00
Akim Demaille
377bd7c9a2 * src/system.h (LIST_FREE, shortcpy): New. 
* src/LR0.c: Use them.
* src/output.c (free_itemsets, free_reductions, free_shifts):
Remove, replaced by LIST_FREE.
 2001-11-19 09:14:54 +00:00
Akim Demaille
b4a7a230f1 * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC) 
(REDUCTIONS_ALLOC):  New.
* src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory
allocation.
 2001-11-19 09:14:26 +00:00
Akim Demaille
c1586e58fe * src/LR0.c (new_state): Complete trace code. 
* src/nullable.c (set_nullable): Don't translate traces.
 2001-11-19 09:14:07 +00:00
Akim Demaille
50766eee39 * src/print_graph.c (print_core): Better locality of variables. 
* src/print.c (print_core): Likewise.
 2001-11-19 09:13:53 +00:00
Akim Demaille
dc3b81cd67 * src/vcg.c: You do the output, so you are responsible of the 
handling of VCG syntax, in particular: use quotearg.
* src/print_graph.c: Don't.
(print_actions): Don't output the actions as part of the nodes,
since that's the job of the edges.
(print_state): Don't output by hand: fill the node description,
and ask for its output.
 2001-11-19 09:13:40 +00:00
Akim Demaille
c555896775 * src/bison.simple (yyparse): When reporting verbosely an error, 
no longer issue additional quotes around token names.
* tests/calc.at: Adjust.
 2001-11-19 09:13:26 +00:00
Akim Demaille
35f61cb998 * src/symtab.h, src/symtab.c: line' is a new member of bucket'. 
* src/reader.c (record_rule_lines, rline, rline_allocated): Remove.
* src/output.c: Adjust.
 2001-11-19 09:13:12 +00:00
Akim Demaille
9291f914de * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of... 
(rule_t): this.
* src/conflicts.c, src/reader.c, src/reduce.c: Adjust.
 2001-11-19 09:12:49 +00:00
Akim Demaille
ff1581dddb * src/gram.h (rule_t): New. 
(rule_table): New.
(rrhs, rlhs): Remove, part of state_t.
* src/print_graph.c, src/closure.c, src/conflicts.c, src/derives.c,
* src/lalr.c, src/nullable.c, src/output.c, src/print.c,
* src/reader.c, src/reduce.c: Adjust.
 2001-11-19 09:12:25 +00:00