pike.git/ src/ language.yacc

Branch: Tag:

1998-04-17

1998-04-17 03:18:09 by Henrik Grubbström (Grubba) <grubba@grubba.org>

Added check for bad identifiers in assignment expressions too.

Rev: src/language.yacc:1.81

171:   /* This is the grammar definition of Pike. */      #include "global.h" - RCSID("$Id: language.yacc,v 1.80 1998/04/17 02:53:10 grubba Exp $"); + RCSID("$Id: language.yacc,v 1.81 1998/04/17 03:18:09 grubba Exp $");   #ifdef HAVE_MEMORY_H   #include <memory.h>   #endif
1311:   expr0: expr01    | expr4 '=' expr0 { $$=mknode(F_ASSIGN,$3,$1); }    | expr4 '=' error { $$=$1; reset_type_stack(); yyerrok; } +  | bad_expr_ident '=' expr0 { $$=$3; }    | '[' low_lvalue_list ']' '=' expr0 { $$=mknode(F_ASSIGN,$5,mknode(F_ARRAY_LVALUE,$2,0)); }    | expr4 assign expr0 { $$=mknode($2,$1,$3); }    | expr4 assign error { $$=$1; reset_type_stack(); yyerrok; } -  +  | bad_expr_ident assign expr0 { $$=$3; }    | '[' low_lvalue_list ']' assign expr0 { $$=mknode($4,mknode(F_ARRAY_LVALUE,$2,0),$5); }    | '[' low_lvalue_list ']' error { $$=$2; reset_type_stack(); yyerrok; }   /* | error { $$=0; reset_type_stack(); } */
1726:    { yyerror("class is a reserved word."); }    ;    - bad_lvalue: -  F_INLINE -  { yyerror("inline is a reserved word."); } -  | F_LOCAL_ID -  { yyerror("local is a reserved word."); } -  | F_NO_MASK -  { yyerror("nomask is a reserved word."); } -  | F_PREDEF -  { yyerror("predef is a reserved word."); } -  | F_PRIVATE -  { yyerror("private is a reserved word."); } -  | F_PROTECTED -  { yyerror("protected is a reserved word."); } -  | F_PUBLIC -  { yyerror("public is a reserved word."); } -  | F_STATIC -  { yyerror("static is a reserved word."); } + bad_lvalue: bad_expr_ident    | F_ARRAY_ID    { yyerror("array is a reserved word."); } -  | F_FINAL_ID -  { yyerror("final is a reserved word.");} +     | F_FLOAT_ID    { yyerror("float is a reserved word.");}    | F_FUNCTION_ID
1767:    { yyerror("string is a reserved word."); }    | F_VOID_ID    { yyerror("void is a reserved word."); } +  ; +  + bad_expr_ident: +  F_INLINE +  { yyerror("inline is a reserved word."); } +  | F_LOCAL_ID +  { yyerror("local is a reserved word."); } +  | F_NO_MASK +  { yyerror("nomask is a reserved word."); } +  | F_PREDEF +  { yyerror("predef is a reserved word."); } +  | F_PRIVATE +  { yyerror("private is a reserved word."); } +  | F_PROTECTED +  { yyerror("protected is a reserved word."); } +  | F_PUBLIC +  { yyerror("public is a reserved word."); } +  | F_STATIC +  { yyerror("static is a reserved word."); } +  | F_FINAL_ID +  { yyerror("final is a reserved word.");}    | F_DO    { yyerror("do is a reserved word."); }    | F_ELSE