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Akim Demaille
ccaf65bc63 * src/state.h, src/state.c (shift_t, SHIFT_SYMBOL, SHIFT_IS_SHIFT) 
(SHIFT_IS_GOTO, SHIFT_IS_ERROR, SHIFT_DISABLE, SHIFT_IS_DISABLED)
(shifts_to): Rename as...
(transition_t, TRANSITION_SYMBOL, TRANSITION_IS_TRANSITION)
(TRANSITION_IS_GOTO, TRANSITION_IS_ERROR, TRANSITION_DISABLE)
(TRANSITION_IS_DISABLED, transitions_to): these.
 2002-06-30 17:33:37 +00:00
Akim Demaille
87675353bf * src/print.c (print_shifts, print_gotos): Merge into... 
(print_transitions): this.
(print_transitions, print_errs, print_reductions): Align the
lookaheads columns.
(print_core, print_transitions, print_errs, print_state,
print_grammar): Output empty lines separator before, not after.
(state_default_rule_compute): Rename as...
(state_default_rule): this.
* tests/conflicts.at (Defaulted Conflicted Reduction),
(Unresolved SR Conflicts, Resolved SR Conflicts): Adjust.
* tests/regression.at (Rule Line Numbers, Web2c Report): Adjust.
 2002-06-30 17:33:20 +00:00
Akim Demaille
ce4ccb4b11 Display items as we display rules. 
* src/gram.h, src/gram.c (rule_lhs_print): New.
* src/gram.c (grammar_rules_partial_print): Use it.
* src/print.c (print_core): Likewise.
* tests/conflicts.at (Defaulted Conflicted Reduction),
(Unresolved SR Conflicts): Adjust.
(Unresolved SR Conflicts): Adjust and rename as...
(Resolved SR Conflicts): this, as was meant.
* tests/regression.at (Web2c Report): Adjust.
 2002-06-30 17:33:08 +00:00
Akim Demaille
bc933ef16d * src/print.c (state_default_rule_compute): New, extracted from... 
(print_reductions): here.
Pessimize, but clarify the code.
* tests/conflicts.at (Defaulted Conflicted Reduction): New.
 2002-06-30 17:32:47 +00:00
Akim Demaille
53d4308dbb * src/output.c (action_row): Let default_rule be always a rule 
number.
 2002-06-30 17:32:35 +00:00
Akim Demaille
574fb2d568 * src/closure.c (print_firsts, print_fderives, closure): 
Use BITSET_EXECUTE.
* src/lalr.c (lookaheads_print): Likewise.
* src/state.c (state_rule_lookaheads_print): Likewise.
* src/print_graph.c (print_core): Likewise.
* src/print.c (print_reductions): Likewise.
* src/output.c (action_row): Likewise.
Use SHIFT_IS_DISABLED, SHIFT_IS_SHIFT and SHIFT_SYMBOL.
 2002-06-30 17:32:17 +00:00
Akim Demaille
05811fd755 * src/print_graph.c: Use report_flag. 2002-06-30 17:32:02 +00:00
Akim Demaille
0e4d575330 * src/lalr.c (traverse, digraph, matrix_print, transpose): Move 
to...
* src/relation.h, src/relation.c (traverse, relation_digraph)
(relation_print, relation_transpose): New.
 2002-06-30 17:31:51 +00:00
Akim Demaille
24c7d80020 * src/state.h, src/state.c (shifts_to): New. 
* src/lalr.c (build_relations): Use it.
 2002-06-30 17:31:37 +00:00
Akim Demaille
9222837b27 * src/gram.h (rule_number_t, RULE_NUMBER_MAX, int_of_rule_number) 
(item_number_of_rule_number, rule_number_of_item_number): New.
* src/LR0.c, src/closure.c, src/derives.c, src/derives.h,
* src/gram.c, src/lalr.c, src/nullable.c, src/output.c, src/print.c,
* src/print_graph.c, src/reader.c, src/reduce.c, src/reduce.h:
Propagate their use.
Much remains to be done, in particular wrt `shorts' from types.h.
 2002-06-30 17:31:19 +00:00
Akim Demaille
260008e546 * src/symtab.c (symbol_new): Initialize the `printer' member. 2002-06-30 17:30:58 +00:00
Akim Demaille
8a731ca829 * src/LR0.c (save_reductions): Remove, replaced by... 
* src/state.h, src/state.c (state_reductions_set): New.
(reductions, errs): Rename as...
(reductions_t, errs_t): these.
Adjust all dependencies.
 2002-06-30 17:30:46 +00:00
Akim Demaille
32e1e0a486 * src/LR0.c (state_list_t, state_list_append): New. 
(first_state, last_state): Now symbol_list_t.
(this_state): Remove.
(new_itemsets, append_states, save_reductions): Take a state_t as
argument.
(set_states, generate_states): Adjust.
(save_shifts): Remove, replaced by...
* src/state.h, src/state.c (state_shifts_set): New.
(shifts): Rename as...
(shifts_t): this.
Adjust all dependencies.
* src/state.h (state_t): Remove the `next' member.
 2002-06-30 17:30:29 +00:00
Akim Demaille
e5fb671032 * src/vcg.c (quote): Use slot 2, since we often pass symbol tag 
escaped in slot 0.
 2002-06-30 17:30:09 +00:00
Akim Demaille
c7ca99d4b0 Use hash.h for the state hash table. 
* src/LR0.c (STATE_HASH_SIZE, state_hash): Remove.
(allocate_storage): Use state_hash_new.
(free_storage): Use state_hash_free.
(new_state, get_state): Adjust.
* src/lalr.h, src/lalr.c (states): Move to...
* src/states.h (state_t): Remove the `link' member, no longer
used.
* src/states.h, src/states.c: here.
(state_hash_new, state_hash_free, state_hash_lookup)
(state_hash_insert, states_free): New.
* src/states.c (state_table, state_compare, state_hash): New.
* src/output.c (output_actions): Do not free states now, since we
still need to know the final_state number in `prepare', called
afterwards.  Do it...
* src/main.c (main): here: call states_free after `output'.
 2002-06-30 17:29:36 +00:00
Akim Demaille
df0e7316a9 * src/state.h, src/state.c (state_new): New, extracted from... 
* src/LR0.c (new_state): here.
* src/state.h (STATE_ALLOC): Move to...
* src/state.c: here.
* src/LR0.h, src/LR0.c (nstates, final_state): Move to...
* src/state.h, src/state.c: here.
 2002-06-30 17:28:44 +00:00
Akim Demaille
39f4191608 * src/reader.c (gensym): Rename as... 
* src/symtab.h, src/symtab.c (dummy_symbol_get): this.
(getsym): Rename as...
(symbol_get): this.
 2002-06-30 17:27:57 +00:00
Akim Demaille
d57650a5ff * src/state.h (state_number_t, STATE_NUMBER_MAX): New. 
* src/LR0.c, src/LR0.h, src/conflicts.c, src/lalr.c, src/lalr.h,
* src/output.c, src/print.c, src/print_graph.c: Propagate.
* src/LR0.h, src/LR0.h (final_state): Is a state_t*.
 2002-06-30 17:27:34 +00:00
Akim Demaille
5a08f1ce21 Make the test suite pass with warnings checked. 
* tests/actions.at (Printers and Destructors): Improve.
Avoid unsigned vs. signed issues.
* tests/calc.at: Don't exercise the scanner here, do it...
* tests/input.at (Torturing the Scanner): here.
 2002-06-30 17:27:14 +00:00
Paul Hilfinger
720623af84 * data/glr.c: Correct typo in Emacs-mode directive. Slightly 
reorganize first lines parallel to yacc.c.
 2002-06-28 22:42:58 +00:00
Akim Demaille
fb8135fa99 * data/c.m4 (b4_copyright, b4_sint_type, b4_uint_type, b4_token_define) 
(b4_token_enum, b4_token_defines): New, factored from...
* data/lalr1.cc, data/yacc.c, glr.c: here.
 2002-06-28 17:27:29 +00:00
Akim Demaille
4fa887b790 regen. 2002-06-28 17:12:10 +00:00
Akim Demaille
4144248075 * data/yacc.c (yydestruct, yysymprint): Pacify GCC warnings for 
unused variables.
* src/output.c (merger_output): static.
 2002-06-28 09:05:11 +00:00
Akim Demaille
e0e5bf84b0 * src/reader.h: s/grammer_current_rule_merge_set/grammar_.../. 
* src/conflicts.c (conflicts_total_count): `i' is unsigned, to
pacify GCC.
* src/output.c (save_row): Initialize all the variables to pacify GCC.
(merger_output): static.
 2002-06-28 08:41:45 +00:00
Paul Hilfinger
b5480d74b8 Fix small formatting glitch. 2002-06-28 02:47:14 +00:00
Paul Hilfinger
676385e29c Initial check-in introducing experimental GLR parsing. See entry in 
ChangeLog dated 2002-06-27 from Paul Hilfinger for details.
 2002-06-28 02:26:44 +00:00
Paul Hilfinger
01241d47b4 Renamed file from bison.glr. 2002-06-28 01:51:33 +00:00
Paul Hilfinger
ba29c4ec25 Renaming file to glr.c. 2002-06-28 01:50:29 +00:00
Akim Demaille
e2aaf4c4f9 * src/options.h, src/options.c: Remove. 
* src/getargs.c (short_options, long_options): New.
 2002-06-27 12:19:20 +00:00
Akim Demaille
7cca31a2f2 Update. 2002-06-27 12:18:03 +00:00
Akim Demaille
60491a948b * data/bison.simple, data/bison.c++: Rename as... 
* data/yacc.c, data/lalr1.cc: these.
* doc/bison.texinfo (Environment Variables): Remove.
 2002-06-27 12:08:20 +00:00
Akim Demaille
2a10b47aaf Update. 2002-06-27 11:56:03 +00:00
Paul Hilfinger
12bebc0445 New file: Tests for GLR parsing. 2002-06-26 22:52:27 +00:00
Paul Hilfinger
febef6caec New file: skeleton for GLR (Generalized LR) parser. 2002-06-26 22:51:51 +00:00
Akim Demaille
9be0c25bf0 * src/getargs.c (report_argmatch): Initialize strtok(). 2002-06-25 12:05:38 +00:00
Akim Demaille
976e627098 Update. 2002-06-20 12:23:54 +00:00
Akim Demaille
3424c3868f Update. 2002-06-20 12:19:42 +00:00
Akim Demaille
1ae7286376 * data/bison.simple (b4_symbol_actions): New, replaces... 
(b4_symbol_destructor, b4_symbol_printer): these.
(yysymprint): Be sure to call YYPRINT only for tokens, and using
user token numbers.
 2002-06-20 11:46:59 +00:00
Akim Demaille
87542d29a5 * data/bison.simple (yydestructor): Rename as... 
(yydestruct): this.
 2002-06-20 11:28:33 +00:00
Akim Demaille
1a31ed21b1 * src/symtab.h, src/symtab.c (symbol_type_set) 
(symbol_destructor_set, symbol_precedence_set): The location is
the last argument.
Adjust all callers.
 2002-06-20 11:20:25 +00:00
Akim Demaille
e776192e4f * src/parse-gram.y (YYPRINT, yyprint): Don't mess with the parser 
internals.
* src/reader.h, src/reader.c (grammar_current_rule_prec_set):
Takes a location.
* src/symtab.h, src/symtab.c (symbol_class_set)
(symbol_user_token_number_set): Likewise.
Adjust all callers.
Promote complain_at.
* tests/input.at (Type Clashes): Adjust.
 2002-06-20 11:10:56 +00:00
Akim Demaille
5c1180b3c4 * data/bison.simple (YYLEX): Fix the declaration when 
%pure-parser.
 2002-06-20 10:29:27 +00:00
Akim Demaille
e317006080 * data/bison.simple (yysymprint): Don't print the token number, 
just its name.
* tests/actions.at (Destructors): Rename as...
(Printers and Destructors): this.
Also exercise %printer.
 2002-06-20 09:47:44 +00:00
Akim Demaille
253862fd4c * data/bison.simple (YYDSYMPRINT): New. 
Use it to remove many of the #if YYDEBUG/if (yydebug).
 2002-06-20 09:22:56 +00:00
Akim Demaille
366eea36d3 * src/symtab.h, src/symtab.c (symbol_t): printer and 
printer_location are new members.
(symbol_printer_set): New.
* src/parse-gram.y (PERCENT_PRINTER): New token.
Handle its associated rule.
* src/scan-gram.l: Adjust.
(handle_destructor_at, handle_destructor_dollar): Rename as...
(handle_symbol_code_at, handle_symbol_code_dollar): these.
* src/output.c (symbol_printers_output): New.
(output_skeleton): Call it.
* data/bison.simple (yysymprint): New.  Cannot be named yyprint
since there are already many grammar files with a user `yyprint'.
Replace the calls to YYPRINT to calls to yysymprint.
* tests/calc.at: Adjust.
* tests/torture.at (AT_DATA_STACK_TORTURE): Remove YYPRINT: it was
taking advantage of parser very internal details (stack size!).
 2002-06-20 09:08:37 +00:00
Akim Demaille
1ce5149ac8 Regen. 2002-06-20 09:05:10 +00:00
Akim Demaille
4f25ebb043 * src/scan-gram.l: Complete the scanner with the missing patterns 
to pacify Flex.
Use `quote' and `symbol_tag_get' where appropriate.
 2002-06-20 07:19:13 +00:00
Akim Demaille
93b68a0e09 * tests/actions.at (Destructors): Augment to test locations. 
* data/bison.simple (yydestructor): Pass it the current location
if locations are enabled.
Prototype only when __STDC__ or C++.
Change the argument names to move into the yy name space: there is
user code here.
 2002-06-19 12:03:22 +00:00
Akim Demaille
7431029172 * data/bison.simple (b4_pure_if): New. 
Use it instead of #ifdef YYPURE.
 2002-06-19 10:00:24 +00:00
Akim Demaille
58612f1de0 * data/bison.simple (m4_location_if): New. 
Use it instead of #ifdef YYLSP_NEEDED.
 2002-06-19 09:07:36 +00:00