X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/76290368d48b584808a120dfbd415be93aef04f6..3f7ca628535da8ee4296061580cc9a944bcf4ab4:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 3bccb9a7..9f6eb374 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,78 +1,135 @@ -2006-11-10 Joel E. Denny +2006-12-09 Joel E. Denny + + Warn about output files that are generated by the skeletons and that + conflict with other output files. + * data/glr.c: Don't generate the header file here when glr.cc does. + * src/files.c (file_names, file_names_count): New static globals. + (compute_output_file_names): Invoke output_file_name_check for files + not generated by the skeletons and remove existing checks. + (output_file_name_check): New function that warns about conflicting + output file names. + (output_file_names_free): Free file_names. + * src/files.h (output_file_name_check): Declare. + * src/scan-skel.l: Invoke output_file_name_check for files generated by + the skeletons. + * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): New. + (Conflicting output files): New tests. + +2006-12-09 Ralf Wildenhues + + * doc/bison.texinfo: Fix a couple of typos. + +2006-12-08 Bob Rossi + + * data/push.c: (yypvarsinit, yypvars, struct yypvars, yypushparse): + Rename to... + (yypstate_init, yypstate, struct yypstate, yypush_parse): ... these and + update all uses. + (b4_yyssa, b4_yyerror_range, yypstate_init): Rename pv to yyps. + (yypush_parse): Rename yypvars argument to yyps and remove redundant + local pv. + (yypstate_init, yypush_parse): Declare in Bison-generated header file. + * tests/calc.at (_AT_DATA_CALC_Y): Use newly named functions. + +2006-12-07 Bob Rossi + and Joel Denny + + * data/push.c (yypvarsinit): Change return type from void* to struct + yypvars*. No longer cast to void* on return. + (struct yypvars): Remove yylen since it need not be remembered between + yypushparse invocations. + (yypushparse): Don't copy between yylen and pv->yylen. + +2006-12-05 Bob Rossi + + * data/push.c (yychar_set, yylval_set, yylloc_set): Delete. + (yypushparse): Add yynchar, yynlval, yynlloc parameters. + (b4_declare_parser_variables): Do not declare yynerrs for push mode. + (struct yypvars): Remove b4_declare_parser_variables. + (yypvarsinit): Remove init code for removed variables. + (global scope): Do not declare b4_declare_parser_variables if + push or pure mode. + (yypushparse): Add b4_declare_parser_variables. + Init new local variables, and remove init code for removed + yypvars variables. + (yyparse): Delete. + * tests/calc.at (_AT_DATA_CALC_Y): Call yypushparse for push mode + and yyparse for other modes. + (AT_CHECK_CALC_LALR): Added '%skeleton "push.c"' for push tests. + * tests/local.at (AT_PUSH_IF, AT_PURE_OR_PUSH_IF): Added. + (AT_YYERROR_SEES_LOC_IF): push-parser makes this false. + (AT_PURE_LEX_IF): True if pure or push parser. + +2006-12-05 Joel E. Denny + + Document Yacc prologue alternatives and default %destructor's and + %printer's as experimental. Don't mention Java yet. Discussed at + . + * NEWS (2.3a+): Say they're experimental. Remove any mention of Java. + (2.3a): Annotate this entry to say the old forms of these features were + also experimental. + * doc/bison.texinfo (Prologue Alternatives, Freeing Discarded Symbols, + Bison Symbols): Say they're experimental. Comment out any mention + of Java (we'll want this back eventually). + +2006-12-01 Joel E. Denny + + Support a file name argument to %defines. Deprecate `=' in + %file-prefix, %name-prefix, and %output. Discussed at + . + * NEWS (2.3a+): Mention. + * doc/bison.texinfo (Decl Summary, Bison Symbols): Add entry for new + form of %defines, and remove `=' from entries for %file-prefix, + %name-prefix, and %output. + * src/parse-gram.y (prologue_declaration): Implement. + * tests/calc.at (Simple LALR Calculator, Simple GLR Calculator, Simple + LALR1 C++ Calculator, Simple GLR C++ Calculator): Remove the `=' from + all but one occurrence of %name-prefix. + * tests/headers.at (export YYLTYPE): Remove the `=' from %name-prefix. + * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Likewise. + * tests/output.at (AT_CHECK_OUTPUT): Remove the `=' from all but one + occurrence of each of %file-prefix and %output. Add check for %defines + with argument. + * tests/reduce.at (Useless Terminals, Useless Nonterminals, + Useless Rules, Reduced Automaton, Underivable Rules, Empty Language): + Remove the `=' from %output. + +2006-11-21 Joel E. Denny + + Don't escape $ in test case titles since Autoconf 2.61 now does that + correctly. + * tests/actions.at (Default %printer and %destructor are not for error + or $undefined): Here. + (Default %printer and %destructor are not for $accept): Here. + * tests/input.at (Invalid $n and @n): Here. - Encapsulate code properties and related functionality for the various - destructors, printers, and actions into a code_props structure and - interface. - * src/location.h (EMPTY_LOCATION_INIT): Define so that it's easier to - consistently initialize const structs that have an empty location field. - * src/location.c (empty_location): Initialize with EMPTY_LOCATION_INIT - to ensure consistency. - * src/output.c (symbol_destructors_output, symbol_printers_output): - Replace with... - (symbol_code_props_output): ... this to eliminate duplicate code. - (output_skeleton): Update to use symbol_code_props_output. - * src/parse-gram.y (prologue_declaration, braceless, epilogue.opt): - Update all uses of translate_* functions to use the new code_props - interface and to use gram_scanner_last_string_free and - code_scanner_last_string_free where possible. - (grammar_declaration): symbol_list_destructor_set and - symbol_list_printer_set now perform the translation, so don't do it - here. Use gram_scanner_last_string_free where possible. - * src/reader.c: Update to use code_props interface for destructors and - rule actions. - * src/scan-code.h (code_props): New structure. - (code_props_none_init, CODE_PROPS_NONE_INIT, code_props_none): New - function, macro, and const global variable for initializing a - code_props with no code. - (code_props_plain_init, code_props_symbol_action_init, - code_props_rule_action_init, code_props_translate_code, - code_props_code_get, code_props_location_get, - code_props_is_value_used): The rest of the new code_props interface. - (translate_rule_action, translate_symbol_action, translate_code): - Remove as these are now just special cases within - code_props_translate_code, which is switched on the code_props kind. - (code_scanner_last_string_free): New function similar to - gram_scanner_last_string_free. - * src/scan-code.l: Implement the new interface. - (last_string): New static global similar to the one in scan-gram.l. - (SC_SYMBOL_ACTION): For $$, set the is_value_used member of the - code_props since Bison will one day use this information for - destructors and printers. - (<*><>): Use STRING_FINISH so that last_string is set. - (handle_action_dollar): Update to use the code_props interface of rule - actions. Use symbol_list_n_get and set is_value_used directly since - symbol_list_n_used_set is removed. - * src/symlist.h, src/symlist.c (symbol_list): Replace action, - action_location, and used members with a code_props member, and update - all uses. - (symbol_list_n_used_set): Remove since it would need to break the - encapsulation of code_props. - (symbol_list_destructor_set, symbol_list_printer_set): Perform code - translation here rather than depending on the caller to do so. - * src/symtab.h (symbol, semantic_type): Remove destructor_location and - printer_location members and change the type of the destructor and - printer members to code_props. - (symbol_destructor_location_get, symbol_printer_location_get): Remove - unneeded. - (symbol_destructor_set, symbol_destructor_get, symbol_printer_set, - symbol_printer_get, semantic_type_destructor_set, - semantic_type_printer_set, default_tagged_destructor_set, - default_tagless_destructor_set, default_tagged_printer_set, - default_tagless_printer_set): Use code_props in arguments and return - types in place of const char * and location. - * src/symtab.c: Update implementation for interface and struct changes. - (default_tagged_destructor_location, - default_tagless_destructor_location, default_tagged_printer_location, - default_tagless_printer_location): Remove since we... - (default_tagged_destructor, default_tagless_destructor, - default_tagged_printer, default_tagless_printer): ... change the type - of these to code_props. - (SYMBOL_CODE_PRINT): New similar to SYMBOL_ATTR_PRINT but for - code_props members. - (symbol_print): Use SYMBOL_CODE_PRINT. - - * src/scan-gram.h (gram_last_string): Remove declaration. - * src/scan-gram.l (last_string): Declare it static. +2006-11-20 Joel E. Denny + + Rename to <>. Discussed starting at + . + * NEWS (2.3a+): Update. + * doc/bison.texinfo (Freeing Discarded Symbols, Bison Symbols): + Update. + * src/parse-gram.y (TYPE_TAG_NONE, generic_symlist_item): Implement. + * src/scan-gram.l (INITIAL): Implement. + * src/symlist.c (symbol_list_default_tagless_new): Update comment. + * src/symlist.h (symbol_list, symbol_list_default_tagless_new): Update + comment. + * tests/actions.at (Default tagless %printer and %destructor, + Default tagged and per-type %printer and %destructor, + Default %printer and %destructor are not for error or $undefined, + Default %printer and %destructor are not for $accept, + Default %printer and %destructor for mid-rule values): Update. + * tests/input.at (Default %printer and %destructor redeclared, + Unused values with default %destructor): Update. + +2006-11-17 Joel E. Denny + + Don't let %prec take a nonterminal. + * src/reader.c (grammar_current_rule_prec_set): Make the %prec symbol a + token. + * tests/input.at (%prec takes a token): New test checking that %prec + won't take a nonterminal. 2006-11-10 Joel E. Denny @@ -228,7 +285,7 @@ * doc/bison.texinfo (Freeing Discarded Symbols): Document this and the previous change today related to mid-rules. (Bison Symbols): Remove %symbol-default and add <*> and . - * src/parser-gram.y (PERCENT_SYMBOL_DEFAULT): Remove. + * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): Remove. (TYPE_TAG_ANY): Add as <*>. (TYPE_TAG_NONE): Add as . (generic_symlist_item): Remove RHS for %symbol-default and add RHS's