+2002-06-14 Akim Demaille <akim@epita.fr>
+
+ Grammar declarations may be found in the grammar section.
+
+ * src/parse-gram.y (rules_or_grammar_declaration): New.
+ (declarations): Each declaration may end with a semicolon, not
+ just...
+ (grammar_declaration): `"%union"'.
+ (grammar): Branch to rules_or_grammar_declaration.
+
+
+2002-06-14 Akim Demaille <akim@epita.fr>
+
+ * src/main.c (main): Invoke scanner_free.
+
+
+2002-06-14 Akim Demaille <akim@epita.fr>
+
+ * src/output.c (m4_invoke): Extracted from...
+ (output_skeleton): here.
+ Free tempfile.
+
+
+2002-06-14 Akim Demaille <akim@epita.fr>
+
+ * src/parse-gram.y (directives, directive, gram)
+ (grammar_directives, precedence_directives, precedence_directive):
+ Rename as...
+ (declarations, declaration, grammar, grammar_declaration)
+ (precedence_declaration, precedence_declarator): these.
+ (symbol_declaration): New.
+
+
+2002-06-14 Akim Demaille <akim@epita.fr>
+
+ * src/files.c (action_obstack): Remove, unused.
+ (output_obstack): Remove it, and all its dependencies, as it is no
+ longer needed.
+ * src/reader.c (epilogue_set): Build the epilogue in the
+ muscle_obstack.
+ * src/output.h, src/output.c (muscle_obstack): Move to...
+ * src/muscle_tab.h, src/muscle_tab.h: here.
+ (muscle_init): Initialize muscle_obstack.
+ (muscle_free): New.
+ * src/main.c (main): Call it.
+
+
+2002-06-14 Akim Demaille <akim@epita.fr>
+
+ * src/location.h: New, extracted from...
+ * src/reader.h: here.
+ * src/Makefile.am (noinst_HEADERS): Merge into
+ (bison_SOURCES): this.
+ Add location.h.
+ * src/parse-gram.y: Use location_t instead of Bison's.
+ * src/reader.h, src/reader.c (prologue_augment, epilogue_set):
+ Use location_t instead of ints.
+
+
+2002-06-14 Akim Demaille <akim@epita.fr>
+
+ * data/bison.simple, data/bison.c++: Be sure to restore the
+ current #line when returning to the skeleton contents after having
+ exposed the input file's #line.
+
+2002-06-12 Akim Demaille <akim@epita.fr>
+
+ * src/scan-gram.l (SC_BRACED_CODE): Don't use `<.*>', it is too
+ eager.
+ * tests/actions.at (Exotic Dollars): New.
+
+2002-06-12 Akim Demaille <akim@epita.fr>
+
+ * src/scan-gram.l (SC_PROLOGUE): Don't eat characters amongst
+ ['"/] too eagerly.
+ * tests/input.at (Torturing the Scanner): New.
+
+2002-06-11 Akim Demaille <akim@epita.fr>
+
+ * src/scan-gram.l (YY_OBS_INIT): Remove, replace with...
+ [SC_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,SC_PROLOGUE]
+ [SC_EPILOGUE]: Output the quadrigraphs only when not in a comment.
+ * src/reader.h, src/scan-gram.l (scanner_initialize): this.
+ * src/reader.c (reader): Use it.
+
+2002-06-11 Akim Demaille <akim@epita.fr>
+
+ * src/scan-gram.l (YY_OBS_FINISH): Don't set yylval.
+ Adjust all callers.
+ (scanner_last_string_free): New.
+
+2002-06-11 Akim Demaille <akim@epita.fr>
+
+ * src/scan-gram.l (YY_INIT, YY_GROW, YY_FINISH): Rename as...
+ (YY_OBS_INIT, YY_OBS_GROW, YY_OBS_FINISH): these.
+ (last_string, YY_OBS_FREE): New.
+ Use them when returning an ID.
+
+2002-06-11 Akim Demaille <akim@epita.fr>
+
+ Have Bison grammars parsed by a Bison grammar.
+
+ * src/reader.c, src/reader.h (prologue_augment): New.
+ * src/reader.c (copy_definition): Remove.
+
+ * src/reader.h, src/reader.c (gram_start_symbol_set, prologue_augment)
+ (grammar_symbol_append, grammar_rule_begin, grammar_midrule_action)
+ (grammar_current_rule_prec_set, grammar_current_rule_check)
+ (grammar_current_rule_symbol_append)
+ (grammar_current_rule_action_append): Export.
+ * src/parse-gram.y (symbol_list_new, symbol_list_symbol_append_
+ (symbol_list_action_append): Remove.
+ Hook the routines from reader.
+ * src/scan-gram.l: In INITIAL, characters and strings are tokens.
+ * src/system.h (ATTRIBUTE_NORETURN, ATTRIBUTE_UNUSED): Now.
+
+ * src/reader.c (read_declarations): Remove, unused.
+
+ * src/parse-gram.y: Handle the epilogue.
+ * src/reader.h, src/reader.c (gram_start_symbol_set): Rename as...
+ (grammar_start_symbol_set): this.
+ * src/scan-gram.l: Be sure to ``use'' yycontrol to keep GCC quiet.
+ * src/reader.c (readgram): Remove, unused.
+ (reader): Adjust to insert eoftoken and axiom where appropriate.
+
+ * src/reader.c (copy_dollar): Replace with...
+ * src/scan-gram.h (handle_dollar): this.
+ * src/parse-gram.y: Remove `%thong'.
+
+ * src/reader.c (copy_at): Replace with...
+ * src/scan-gram.h (handle_at): this.
+
+ * src/complain.h, src/complain.c (warn_at, complain_at, fatal_at):
+ New.
+
+ * src/scan-gram.l (YY_LINES): Keep lineno synchronized for the
+ time being.
+
+ * src/reader.h, src/reader.c (grammar_rule_end): New.
+
+ * src/parse.y (current_type, current_class): New.
+ Implement `%nterm', `%token' support.
+ Merge `%term' into `%token'.
+ (string_as_id): New.
+ * src/symtab.h, src/symtab.c (symbol_make_alias): Don't pass the
+ type name.
+
+ * src/parse-gram.y: Be sure to handle properly the beginning of
+ rules.
+
+ * src/parse-gram.y: Handle %type.
+ * src/reader.c (grammar_rule_end): Call grammar_current_rule_check.
+
+ * src/parse-gram.y: More directives support.
+ * src/options.c: No longer handle source directives.
+
+ * src/parse-gram.y: Fix %output.
+
+ * src/parse-gram.y: Handle %union.
+ Use the prologue locations.
+ * src/reader.c (parse_union_decl): Remove.
+
+ * src/reader.h, src/reader.c (epilogue_set): New.
+ * src/parse-gram.y: Use it.
+
+ * data/bison.simple, data/bison.c++: b4_stype is now either not
+ defined, then default to int, or to the contents of %union,
+ without `union' itself.
+ Adjust.
+ * src/muscle_tab.c (muscle_init): Don't predefine `stype'.
+
+ * src/output.c (actions_output): Don't output braces, as they are
+ already handled by the scanner.
+
+ * src/scan-gram.l (SC_CHARACTER): Set the user_token_number of
+ characters to themselves.
+
+ * tests/reduce.at (Reduced Automaton): End the grammars with %% so
+ that the epilogue has a proper #line.
+
+ * src/parse-gram.y: Handle precedence/associativity.
+
+ * src/symtab.c (symbol_precedence_set): Requires the symbol to be
+ a terminal.
+ * src/scan-gram.l (SC_BRACED_CODE): Catch strings and characters.
+ * tests/calc.at: Do not use `%token "foo"' as it makes not sense
+ at all to define terminals that cannot be emitted.
+
+ * src/scan-gram.l: Escape M4 characters.
+
+ * src/scan-gram.l: Working properly with escapes in user
+ strings/characters.
+
+ * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR)
+ (AT_DATA_HORIZONTAL_GRAMMAR): Respect the `%token ID NUM STRING'
+ grammar.
+ Use more modest sizes, as for the time being the parser does not
+ release memory, and therefore the process swallows a huge amount
+ of memory.
+
+ * tests/torture.at (AT_DATA_LOOKAHEADS_GRAMMAR): Adjust to the
+ stricter %token grammar.
+
+ * src/symtab.h (associativity): Add `undef_assoc'.
+ (symbol_precedence_set): Do nothing when passed an undef_assoc.
+ * src/symtab.c (symbol_check_alias_consistence): Adjust.
+
+ * tests/regression.at (Invalid %directive): Remove, as it is now
+ meaningless.
+ (Invalid inputs): Adjust to the new error messages.
+ (Token definitions): The new grammar doesn't allow too many
+ eccentricities.
+
+ * src/lex.h, src/lex.c: Remove.
+ * src/reader.c (lastprec, skip_to_char, read_signed_integer)
+ (copy_character, copy_string2, copy_string, copy_identifier)
+ (copy_comment, parse_token_decl, parse_type_decl, parse_assoc_decl)
+ (parse_muscle_decl, parse_dquoted_param, parse_skel_decl)
+ (parse_action): Remove.
+ * po/POTFILES.in: Adjust.
+
+2002-06-11 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (parse_action): Don't store directly into the
+ rule's action member: return the action as a string.
+ Don't require `rule_length' as an argument: compute it.
+ (grammar_current_rule_symbol_append)
+ (grammar_current_rule_action_append): New, eved out from
+ (readgram): here.
+ Remove `action_flag', `rulelength', unused now.
+
+2002-06-11 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (grammar_current_rule_prec_set).
+ (grammar_current_rule_check): New, eved out from...
+ (readgram): here.
+ Remove `xaction', `first_rhs': useless.
+ * tests/input.at (Type clashes): New.
+ * tests/existing.at (GNU Cim Grammar): Adjust.
+
+2002-06-11 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (grammar_midrule_action): New, Eved out from
+ (readgram): here.
+
+2002-06-11 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (grammar_rule_begin, previous_rule, current_rule):
+ New.
+ (readgram): Use them as replacement of inlined code, crule and
+ crule1.
+
+2002-06-11 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (grammar_end, grammar_symbol_append): New.
+ (readgram): Use them.
+ Make the use of `p' as local as possible.
+
+2002-06-10 Akim Demaille <akim@epita.fr>
+
+ GCJ's parser requires the tokens to be defined before the prologue.
+
+ * data/bison.simple: Output the token definition before the user's
+ prologue.
+ * tests/regression.at (Braces parsing, Duplicate string)
+ (Mixing %token styles): Check the output from bison.
+ (Early token definitions): New.
+
+2002-06-10 Akim Demaille <akim@epita.fr>
+
+ * src/symtab.c (symbol_user_token_number_set): Don't complain when
+ assigning twice the same user number to a token, so that we can
+ use it in...
+ * src/lex.c (lex): here.
+ Also use `symbol_class_set' instead of hand written code.
+ * src/reader.c (parse_assoc_decl): Likewise.
+
+2002-06-10 Akim Demaille <akim@epita.fr>
+
+ * src/symtab.c, src/symtab.c (symbol_class_set)
+ (symbol_user_token_number_set): New.
+ * src/reader.c (parse_token_decl): Use them.
+ Use a switch instead of ifs.
+ Use a single argument.
+
+2002-06-10 Akim Demaille <akim@epita.fr>
+
+ Remove `%thong' support as it is undocumented, unused, duplicates
+ `%token's job, and creates useless e-mail traffic with people who
+ want to know what it is, why it is undocumented, unused, and
+ duplicates `%token's job.
+
+ * src/reader.c (parse_thong_decl): Remove.
+ * src/options.c (option_table): Remove "thong".
+ * src/lex.h (tok_thong): Remove.
+
+2002-06-10 Akim Demaille <akim@epita.fr>
+
+ * src/symtab.c, src/symtab.c (symbol_type_set)
+ (symbol_precedence_set): New.
+ * src/reader.c (parse_type_decl, parse_assoc_decl): Use them.
+ (value_components_used): Remove, unused.
+
+2002-06-09 Akim Demaille <akim@epita.fr>
+
+ Move symbols handling code out of the reader.
+
+ * src/reader.h, src/reader.c (errtoken, undeftoken, eoftoken)
+ (axiom): Move to...
+ * src/symtab.h, src/symtab.c: here.
+
+ * src/gram.c (start_symbol): Remove: use startsymbol->number.
+ * src/reader.c (startval): Rename as...
+ * src/symtab.h, src/symtab.c (startsymbol): this.
+ * src/reader.c: Adjust.
+
+ * src/reader.c (symbol_check_defined, symbol_make_alias)
+ (symbol_check_alias_consistence, symbol_pack, symbol_translation)
+ (token_translations_init)
+ Move to...
+ * src/symtab.c: here.
+ * src/reader.c (packsymbols): Move to...
+ * src/symtab.h, src/symtab.c (symbols_pack): here.
+ * src/symtab.h, src/symtab.c (symbol_make_alias): Takes SYMVAL as
+ argument.
+
+2002-06-03 Akim Demaille <akim@epita.fr>
+
+ * src/muscle_tab.c (muscle_insert, muscle_find): Declarations,
+ then statements.
+
+2002-06-03 Akim Demaille <akim@epita.fr>
+
+ * src/muscle_tab.c (muscle_find, muscle_insert): Don't initialize
+ structs with non literals.
+ * src/scan-skel.l: never-interactive.
+ * src/conflicts.c (enum conflict_resolution_e): No trailing
+ comma.
+ * src/getargs.c (usage): Split long literal strings.
+ Reported by Hans Aberg.
+
+2002-05-28 Akim Demaille <akim@epita.fr>
+
+ * data/bison.c++: Use C++ ostreams.
+ (cdebug_): New member.
+
+2002-05-28 Akim Demaille <akim@epita.fr>
+
+ * src/output.c (output_skeleton): Be sure to allocate enough room
+ for `/' _and_ for `\0' in full_skeleton.
+
+2002-05-28 Akim Demaille <akim@epita.fr>
+
+ * data/bison.c++: Catch up with bison.simple:
+ 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
+ and Paul Eggert <eggert@twinsun.com>: `error' handing.
+ 2002-05-26 Akim Demaille <akim@epita.fr>: stos_, token_number_,
+ and popping traces.
+
+2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
+
+ * src/output.c (output_skeleton): Put an explicit path in front of
+ the skeleton file name, rather than relying on the -I directory,
+ to partially alleviate effects of having a skeleton file lying around
+ in the current directory.
+
2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
- * src/conflicts.c (log_resolution): Correct typo:
+ * src/conflicts.c (log_resolution): Correct typo:
obstack_printf should be obstack_fgrow1.
2002-05-26 Akim Demaille <akim@epita.fr>
2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
and Paul Eggert <eggert@twinsun.com>
-
+
* data/bison.simple (yyparse): Correct error handling to conform to
POSIX and yacc. Specifically, after syntax error is discovered,
do not reduce further before shifting the error token.
* data/bison.simple (yyr1): Don't use yy_token_number_type as element
type; it isn't always big enough, since it doesn't necessarily
include non-terminals.
- (yytranslate): Expand definition of yy_token_number_type, so that
+ (yytranslate): Expand definition of yy_token_number_type, so that
the latter can be removed.
(yy_token_number_type): Remove, only one use.
* data/bison.c++ (r1_): Parallel change to yyr1 in bison.simple---
don't use TokenNumberType as element type.
-
+
* tests/regression.at: Modify expected output to agree with change
to yyr1 and yytranslate.
-
+
2002-05-13 Florian Krohm <florian@edamail.fishkill.ibm.com>
* src/reader.c (parse_action): Use copy_character instead of
projects / bison.git / blobdiff