Remove last commit at the request of Paul Eggert.

[bison.git] / ChangeLog

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-2006-11-10  Joel E. Denny  <jdenny@ces.clemson.edu>
-
-       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.
-       (<*><<EOF>>): 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.
-
 2006-11-10  Joel E. Denny  <jdenny@ces.clemson.edu>
 
        * tests/testsuite.at (AT_CHECK): Don't miss an exit value of 0 because