pike.git/ src/ language.yacc

1999-12-17

1999-12-17 21:09:53 by Fredrik Hübinette (Hubbe) <hubbe@hubbe.net>

• 21b2c9cf7d4cd461a7c85f6490e2b190f70e6e66 (27 lines) (+22/-5) ^{[ Show | Annotate ]}
  Branch: 7.9

implemented 'optional' and modifier blocks

Rev: src/language.yacc:1.150
Rev: src/lexer.h:1.13
Rev: src/program.c:1.187
Rev: src/program.h:1.73
Rev: src/testsuite.in:1.254

156:   %token F_XOR_EQ   %token F_NOP   %token F_UNDEFINED + %token F_OPTIONAL      %token F_ALIGN   %token F_POINTER
184:   /* This is the grammar definition of Pike. */      #include "global.h" - RCSID("$Id: language.yacc,v 1.149 1999/12/17 19:47:19 hubbe Exp $"); + RCSID("$Id: language.yacc,v 1.150 1999/12/17 21:09:48 hubbe Exp $");   #ifdef HAVE_MEMORY_H   #include <memory.h>   #endif
780:    yyerror("Missing ';'.");    /* yychar = '}'; */ /* Put the '}' back on the input stream */    } +  | modifiers +  '{' +  { +  $<number>$=lex.pragmas; +  lex.pragmas|=$1; +  } +  program +  '}' +  { +  lex.pragmas=$<number>3; +  }    ;      optional_dot_dot_dot: F_DOT_DOT_DOT { $$=1; }
838:   modifier: F_NO_MASK { $$ = ID_NOMASK; }    | F_FINAL_ID { $$ = ID_NOMASK; }    | F_STATIC { $$ = ID_STATIC; } +  | F_OPTIONAL { $$ = ID_OPTIONAL; }    | F_PRIVATE { $$ = ID_PRIVATE | ID_STATIC; }    | F_LOCAL_ID { $$ = ID_INLINE; }    | F_PUBLIC { $$ = ID_PUBLIC; }
854:    | F_PUBLIC { $$ = "public"; }    | F_PROTECTED { $$ = "protected"; }    | F_INLINE { $$ = "inline"; } +  | F_OPTIONAL { $$ = "optional"; }    ;      magic_identifiers2:
895:    | F_TYPEOF { $$ = "typeof"; }    ;    - magic_identifiers: magic_identifiers1 | magic_identifiers2 | magic_identifiers3 - magic_identifier: magic_identifiers + magic_identifiers: magic_identifiers1 | magic_identifiers2 | magic_identifiers3 ; +  + magic_identifier: F_IDENTIFIER +  | magic_identifiers    {    struct pike_string *tmp=make_shared_string($1);    $$=mkstrnode(tmp);    free_string(tmp);    } -  | F_IDENTIFIER +     ;      modifiers: modifier_list
2069:    {    $$=mknode(F_ARROW,$1,$3);    } -  | expr4 F_ARROW bad_identifier {} +     | expr4 F_ARROW error {}    ;   
2451:    { yyerror("protected is a reserved word."); }    | F_PUBLIC    { yyerror("public is a reserved word."); } +  | F_OPTIONAL +  { yyerror("optional is a reserved word."); }    | F_STATIC    { yyerror("static is a reserved word."); }    | F_FINAL_ID