X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/9e32add8e6e9ba278655142e1aa0a85773f18cc7..412f8a597541a83259f22f0013494cfd0d34f7c5:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 7c5dee4d..7ca032a5 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,409 @@ +2002-11-12 Albert Chin-A-Young + + * src/Makefile.am (LDADD): Link $(LIBINTL) last to avoid the + duplicate definition of optind on Tru64 UNIX 4.0D with the Compaq + linker. + +2002-11-12 Akim Demaille + + * Makefile.maint: Sync with Autoconf: + (local_updates): New. + +2002-11-12 Akim Demaille + + * po/POTFILES.in (src/lalr.c, src/state.c): Remove + +2002-11-12 Akim Demaille + + * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Display the + locations. + +2002-11-12 Akim Demaille + + * data/c.m4 (b4_yysymprint_generate): Pass *yyvaluep to YYPRINT, + not yyvalue. + +2002-11-12 Akim Demaille + + * tests/actions.at (AT_CHECK_PRINTER_AND_DESTRUCTOR): New. + Use it to test the GLR parser. + +2002-11-12 Akim Demaille + + * tests/regression.at (input.y): s/YYEOF/MYEOF/, as the skeleton + defines it. + * data/glr.c (yystos): New. + (b4_yysymprint_generate, b4_yydestruct_generate): Invoke. + (YYDSYMPRINT): New. + (yyval): Don't define it, it is handled via M4. + (yyrecoverParseError): Free verbosely the discarded symbols. + * data/yacc.c (yysymprint): Remove, rather... + (b4_yysymprint_generate): invoke. + * data/c.m4 (b4_yysymprint_generate): New. + Accept pointers as arguments, as opposed to the version from + yacc.c. + (b4_yydestruct_generate): Likewise. + * tests/cations.at (Printers and Destructors): Use Bison directives + instead of CPP macros. + Don't rely on internal details. + +2002-11-12 Akim Demaille + + * data/c.m4 (b4_yydestruct_generate, b4_symbol_actions): New. + * data/yacc.c: Rename yychar1 as yytoken, as in glr.c. + Don't work on yychar (i.e., do set it to YYEMPTY, don't match + it against YYEMPTY and so forth), work on yytoken (i.e., set + it to YYEMPTY etc.). + (yydestruct): Replace with a b4_yydestruct_generate invocation. + (b4_symbol_actions): Remove. + * data/glr.c (YYTRANSLATE): As for yacc.c, if negative, it stands + for 0, end-of-input. + +2002-11-12 Akim Demaille + + * doc/bison.texinfo (Destructor Decl): New. + +2002-11-12 Akim Demaille + + * src/tables.c (tables_generate): Use free for pointers that + cannot be NULL, not XFREE. + (pack_vector): Use assert, not fatal, for bound violations. + * src/state.c (state_new): Likewise. + * src/reader.c (reader): Likewise. + * src/lalr.c (set_goto_map): Likewise. + * src/location.h (LOCATION_PRINT): If first_line is 0, just issue + the file name. + +2002-11-12 Akim Demaille + + * src/scan-gram.l, src/reader.h (scanner_last_string_free): + Restore. + * src/scan-gram.l (last_string): Is global to the file, not to + yylex. + * src/parse-gram.y (input): Don't append the epilogue here, + (epilogue.opt): do it here, and free the scanner's obstack. + * src/reader.c (epilogue_set): Rename as... + (epilogue_augment): this. + * data/c.m4 (b4_epilogue): Defaults to empty. + +2002-11-12 Akim Demaille + + * src/getargs.c (long_options): Remove duplicates. + * src/vmsgetargs.c, src/build.com, src/bison.cld, src/vmshlp.mar: + Remove. + * doc/bison.rnh: Remove. + * doc/bison.texinfo (VMS Invocation): Remove. + +2002-11-12 Akim Demaille + + * src/struniq.h, src/struniq.c (struniq_t): Is const. + (STRUNIQ_EQ, struniq_assert, struniq_assert_p): New. + + Use struniq for symbols. + + * src/symtab.h (symbol_t): The tag member is a struniq. + (symbol_type_set): Adjust. + * src/symtab.c (symbol_new): Takes a struniq. + (symbol_free): Don't free the tag member. + (hash_compare_symbol_t, hash_symbol_t): Rename as... + (hash_compare_symbol, hash_symbol): these. + Use the fact that tags as struniqs. + (symbol_get): Use struniq_new. + * src/symlist.h, src/symlist.c (symbol_list_n_type_name_get): + Returns a strniq. + * src/reader.h (merger_list, grammar_currentmerge_set): The name + and type members are struniqs. + * src/reader.c (get_merge_function) + (grammar_current_rule_merge_set): Adjust. + (TYPE, current_type): Are struniq. + + Use struniq for file names. + + * src/files.h, src/files.c (infile): Split into... + (grammar_file, current_file): these. + * src/scan-gram.c (YY_USER_INIT, handle_syncline): Adjust. + * src/reduce.c (reduce_print): Likewise. + * src/getargs.c (getargs): Likewise. + * src/complain.h, src/complain.c: Likewise. + * src/main.c (main): Call struniqs_new early enough to use it for + file names. + Don't free the input file name. + +2002-11-12 Akim Demaille + + * src/symtab.c (symbol_free): Remove dead deactivated code: + type_name are properly removed. + Don't use XFREE to free items that cannot be NULL. + * src/struniq.h, src/struniq.c: New. + * src/main.c (main): Initialize/free struniqs. + * src/parse-gram.y (%union): Add astruniq member. + (yyprint): Adjust. + * src/scan-gram.l (<{tag}>): Return a struniq. + Free the obstack bit that used to store it. + * src/symtab.h (symbol_t): The 'type_name' member is a struniq. + +2002-11-11 Paul Eggert + + Revamp to fix many (but not all) of the C- and M4-related quoting + problems. Among other things, this fixes the Bison bug reported + by Jan Hubicka when processing the Bash grammar; see: + + + Use new @ escapes consistently. Represent brackets with @{ and @} + rather than @<:@ and @:>@, since this works a bit better with dumb + editors like vi. Represent @ with @@, since @ is now consistently + an escape. Use @oline@ and @ofile@ rather than __oline__ and + __ofile__, to avoid unexpected expansions. Similarly, use @output + rather than #output. + + * data/c.m4 (b4_copyright): Omit file name from comment, since + the file name could contain "*/". + (b4_synclines_flag): Don't quote the 2nd argument; it should already + be quoted. All uses changed. + + * data/glr.c: Use new @ escapes consistently. + (b4_input_suffix, b4_output_parser_suffix, b4_output_parser_name, + b4_output_header_suffix, b4_output_header_name, b4_header_guard): + Remove, since they couldn't handle arbitrary characters in file + names. + * data/lalr1.cc: Likewise. + * data/yacc.c: Likewise. + + * src/files.c (output_infix): Remove; all uses removed. + * src/files.h: Likewise. + + * data/glr.c: Remove use of "#ifdef b4_header_guard", since it + mishandled funny characters in file names, and anyway it isn't + needed any more. + * data/yacc.c: Likewise. + * data/lalr1.cc: Use YYSLP_NEEDED instead of b4_header_guard. + + * data/glr.c (YYSTYPE_IS_TRIVIAL): Define when the .h file would. + * data/yacc.c: Likewise. + + * src/muscle_tab.c: Include quotearg.h, since we need to quote C + strings now. + (muscle_init): Quote filename as a C string. + * src/muscle_tab.h (MUSCLE_GROW_STRING_PAIR): Remove; unused. + (MUSCLE_OBSTACK_SGROW, MUSCLE_INSERT_C_STRING): New macros. + * src/output.c (escaped_file_name_output): New function. + (prepare_symbols): Quote tokens for M4. + (prepare): Don't insert output_infix, output_prefix, + output_parser_name, output_header_name; this is now down by scan-skel. + Insert skeleton as a C string. + + * src/output.c (user_actions_output, symbol_destructors_output, + symbol_printers_output): Quote filenames for C and M4. + * src/reader.c (prologue_augment, epilogue_set): Likewise. + + * src/scan-gram.l (): Don't worry about any backslash + escapes other than \\ and \'; this simplifies the code. + (): Likewise, for \\ and \". + (): Escape $ and @, too. + Use new escapes @{ and @} for [ and ]. + + * src/scan-skel.l (yylineno, yyoutname): Remove static vars, replacing + them with auto vars. + Switch to new escape scheme, where @ is the escape character uniformly. + Abort if a stray escape character is found. Avoid unbounded input + buffer when parsing non-escaped text. + + * tests/input.at (Torturing the Scanner): Add tests that @oline@, + __oline__, #output, $@, and @{ do not have unintended meanings. + +2002-11-09 Paul Eggert + + Fix the test failure due to GCC warnings described in + . + * data/glr.c (yyis_pact_ninf, yyis_table_ninf): New macros, which + evaluate to 0 if it's impossible for NINF to be in the respective + table. + (yygetLRActions, yyrecoverParseError): Use them. + + * src/scan-gram.l (unexpected_end_of_file): Fix bug: columns were + counted in the token inserted at end of file. Now takes + location_t *, not location_t, so that the location can be + adjusted. All uses changed. + + * tests/regression.at (Invalid inputs): Adjust wording in + diagnostic to match the new behavior. + + * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR, + AT_DATA_HORIZONTAL_GRAMMAR, AT_DATA_LOOKAHEADS_GRAMMAR, + AT_DATA_STACK_TORTURE): Replace `assert (x);' with `if (! (x)) + abort ();'. This reduces the runtime of the "Many lookaheads" + test from 27.6 to 2.7 minutes on a 440 MHz Ultrasparc III running + GCC 3.2. + +2002-11-07 Paul Eggert + + * src/parse-gram.y (CHARACTER): Remove unused token. + All uses removed. + + * src/scan-gram.l: Remove stack option. We no longer use the + stack, since the stack was never deeper than 1; instead, use the + new auto var c_context to record the stacked value. + + Remove nounput option. At an unexpected end of file, we now unput + the minimal input necessary to end cleanly; this simplifies the + code. + + Avoid unbounded token sizes where this is easy. + + (unexpected_end_of_file): New function. + Use it to systematize the error message on unexpected EOF. + (last-string): Now auto, not static. + (YY_OBS_FREE): Remove unnecessary do while (0) wrapper. + (scanner_last_string_free): Remove; not used. + (percent_percent_count): Move decl to just before use. + (SC_ESCAPED_CHARACTER): Return ID at unexpected end of file, + not the (never otherwised-used) CHARACTER. + +2002-11-07 Akim Demaille + + Let yyerror always receive the msg as last argument, so that + yyerror can be variadic. + + * data/yacc.c (b4_yyerror_args): New. + Use it when calling yyerror. + * data/glr.c (b4_yyerror_args, b4_lyyerror_args): New. + Use it when calling yyerror. + * doc/bison.texinfo (Error Reporting): Adjust. + * tests/calc.at (_AT_DATA_CALC_Y): Adjust. + * tests/cxx-type.at (_AT_TEST_GLR_CALC): Adjust. + +2002-11-06 Akim Demaille + + #line should have quoted strings. + Ideally, this should be done by m4_quotearg. + + * src/scan-skel.l: Include quotearg.h. + Quote __ofile__. + * src/output.c (symbol_printers_output) + (symbol_destructors_output): Quote the file name. + +2002-11-06 Akim Demaille + + * tests/regression.at (Invalid inputs): Adjust to the recent + messages. + +2002-11-06 Akim Demaille + + Restore --no-lines. + Reported by Jim Kent. + + * data/c.m4 (b4_syncline): New. + * data/glr.c, data/yacc.c, data/lalr1.cc: Use it. + * src/reader.c (prologue_augment, epilogue_set): Use b4_syncline. + * src/output.c (user_actions_output): Likewise. + (prepare): Define 'b4_synclines_flag'. + * src/muscle_tab.c (muscle_init): Don't define b4_linef. + +2002-11-06 Akim Demaille + + * src/main.c (main): Free `infile'. + * src/scan-gram.l (handle_syncline): New. + Recognize `#line'. + * src/output.c (user_actions_output, symbol_destructors_output) + (symbol_printers_output): Use the location's file name, not + infile. + * src/reader.c (prologue_augment, epilogue_set): Likewise. + +2002-11-05 Paul Hilfinger + + * src/tables.c (matching_state): Don't allow states to match if + either has GLR conflict entries. + +2002-11-05 Paul Eggert + + * src/scan-gram.l: Use more accurate diagnostics, e.g. + "integer out of range" rather than "invalid value". + * tests/input.at (Invalid $n, Invalid @n): Change expected wording + accordingly. + + Scan <% and %> digraphs in C code as POSIX 1003.1-2001 requires. + Also, remove one static variable in the scanner. + + * src/scan-gram.l (braces_level): Now auto, not static. + Initialize to zero if the compiler is being picky. + (INITIAL): Clear braces_level instead of incrementing it. + (SC_BRACED_CODE): Treat <% and %> as { and } when inside C code, + as POSIX 1003.1-2001 requires. + * src/system.h (IF_LINT): New macro, taken from coreutils. + * configure.ac: Define "lint" if --enable-gcc-warnings. + +2002-11-05 Akim Demaille + + * src/scan-gram.l: When it starts with `%', complain about the + whole directive, not just that `invalid character: %'. + +2002-11-04 Akim Demaille + + * Makefile.maint: Update from Autoconf. + (update, cvs-update, po-update, do-po-update): New. + +2002-11-04 Akim Demaille + + * tests/glr-regr1.at (Badly Collapsed GLR States): Prototype yylex + and yyerror. + Have yyerror `use' its arguments. + * tests/calc.at (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF + returns true when location & yacc & pure & parse-param. + (_AT_DATA_CALC_Y): Let yyerror ``use'' its arguments. + +2002-11-04 Akim Demaille + + * src/location.h (LOCATION_PRINT): Use quotearg slot 3 to avoid + clashes. + * src/scan-gram.l: Use [\'] instead of ['] to pacify + font-lock-mode. + Use complain_at. + Use quote, not quote_n since LOCATION_PRINT no longer uses the + slot 0. + +2002-11-03 Paul Eggert + + * src/reader.c (get_merge_function, grammar_current_rule_check): + Use consistent diagnostics for reporting type name clashes. + Quote the types with <>, for consistency with Yacc. + * tests/input.at (Type Clashes): Adjust to diagnostic changes. + +2002-11-03 Akim Demaille + + * data/c.m4 (b4_identification, b4_user_args, b4_parse_param): + New. + * data/yacc.m4 (b4_pure_args, b4_Pure_args): New. + (b4_parse_param): Remove. + Use b4_identification. + Propagate b4_pure_args where needed to pass them to yyerror. + * data/glr.m4 (b4_parse_param): Remove. + (b4_user_formals, b4_pure_args, b4_pure_formals, b4_lpure_args) + (b4_lpure_formals): New. + Use b4_identification. + (YY_USER_FORMALS, YY_USER_ARGS): Remove, replaced by + b4_user_formals and b4_user_args. + (yyexpandGLRStack, yyFail, yyaddDeferredAction, yyglrShiftDefer) + (yyreportAmbiguity): When using a pure parser, also need + the location, and the parse-params. + Adjust callers. + (yyuserAction, yyglrShift, yyreportParseError, yyrecoverParseError): + When using a pure parser, also need the parse-params. + Adjust callers. + * tests/calc.at: Test pure (%pure-parser) and absolutely pure + (%pure-parser + %parse-param) LALR and GLR parsers. + (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): New, define AT_PARAM_IF, + AT_LOCATION_IF, AT_PURE_IF, AT_GLR_IF, AAT_PURE_AND_LOC_IF, + AT_GLR_OR_PARAM_IF, AT_YYERROR_ARG_LOC_IF, AT_YYERROR_SEES_LOC_IF. + (_AT_DATA_CALC_Y): Equip for purity of yyerror. + (_AT_CHECK_CALC_ERROR): Use AT_YYERROR_SEES_LOC_IF. + * tests/cxx-type.at (_AT_TEST_GLR_CALC): Equip for yyerror purity. + * doc/bison.texinfo: Untabify the whole file. + (Parser Function): Document %parse-param, deprecate YYPARSE_PARAM. + (Pure Calling): Document %lex-param, deprecate YYLEX_PARAM. + (Error Reporting): Adjust to these new directives. + Document %error-verbose, deprecate YYERROR_VERBOSE. + 2002-11-03 Akim Demaille * tests/calc.at: Change all the AT_CHECK_CALC_LALR and @@ -100,6 +506,12 @@ * src/system.h: Don't use #ifdef/#ifndef on HAVE_ values, only #if. +2002-10-29 Paul Hilfinger + + * tests/glr-regr1.at: New test for reported regressions. + * tests/testsuite.at: Add glr-regr1.at test. + * tests/Makefile.am: Add glr-regr1.at test. + 2002-10-24 Paul Eggert Version 1.75a.