コード例 #1
0
ファイル: stmt.c プロジェクト: beretta42/FUZIX
/**
 * compound statement
 * allow any number of statements to fall between "{" and "}"
 * 'func' is true if we are in a "function_statement", which
 * must contain "statement_list"
 */
void do_compound(int func) {
        int     decls;

        decls = YES;
        ncmp++;
        while (!match ("}")) {
                if (input_eof)
                        return;
                if (decls) {
                        if (!statement_declare ())
                                decls = NO;
                } else
                        do_statement ();
        }
        ncmp--;
}
コード例 #2
0
ファイル: stmt.c プロジェクト: AtomSoftTech/retrobsd
/**
 * statement parser
 * called whenever syntax requires a statement.  this routine
 * performs that statement and returns a number telling which one
 * @param func func is true if we require a "function_statement", which
 * must be compound, and must contain "statement_list" (even if
 * "declaration_list" is omitted)
 * @return statement type
 */
statement (int func) {
        if ((ch () == 0) & feof (input))
                return (0);
        lastst = 0;
        if (func)
                if (match ("{")) {
                        do_compound (YES);
                        return (lastst);
                } else
                        error ("function requires compound statement");
        if (match ("{"))
                do_compound (NO);
        else
                do_statement ();
        return (lastst);
}
コード例 #3
0
ファイル: cp_statement.c プロジェクト: AndresGG/sn-8.4
static Boolean_t statement( void )
{
/*    printf( "statement: %s\n", ident( 0 )); */
   switch( token( 0 ))
   {
   case ';'         : step( 1 ); return True;
   case '{'         : return compound_statement();
   case SN_CASE     : return case_statement();
   case SN_DEFAULT  : return default_statement();
   case SN_IF       : return if_statement();
   case SN_ELSE     : return else_statement();
   case SN_SWITCH   : return switch_statement();
   case SN_WHILE    : return while_statement();
   case SN_DO       : return do_statement();
   case SN_FOR      : return for_statement();
   case SN_BREAK    : return break_statement();
   case SN_CONTINUE : return continue_statement();
   case SN_RETURN   : return return_statement();
   case SN_THROW    : return throw_statement();
   case SN_GOTO     : return goto_statement();
   case SN_TRY      : return try_statement();

   case SN_IDENTIFIER:
      if( labeled_statement     ()) return True;
      if( declaration_statement1()) return True;
      if( expression_statement  ()) return True;
      if( declaration_statement2()) return True;
      step( 1 );
      return False;

   case SN_CHAR     :
   case SN_SHORT    :
   case SN_INT      :
   case SN_LONG     :
   case SN_SIGNED   :
   case SN_UNSIGNED :
   case SN_FLOAT    :
   case SN_DOUBLE   :
   case SN_BOOL     :
   case SN_VOID     :
      if( declaration_statement1()) return True;
      if( expression_statement  ()) return True;
      if( declaration_statement2()) return True;
      step( 1 );
      return False;

   case SN_ASM      :
   case SN_TEMPLATE :
   case SN_NAMESPACE:
   case SN_USING    :
   case SN_AUTO     :
   case SN_REGISTER :
   case SN_EXTERN   :
   case SN_STATIC   :
   case SN_INLINE   :
   case SN_VIRTUAL  :
   case SN_CONST    :
   case SN_VOLATILE :
   case SN_CLASS    :
   case SN_STRUCT   :
   case SN_UNION    :
   case SN_ENUM     :
   case SN_FRIEND   :
   case SN_TYPEDEF  :
      if( declaration_statement1()) return True;
      if( declaration_statement2()) return True;
      f_StepTo( ';', '}', 0 );
      return False;

   case SN_SIZEOF :
   case SN_NEW :
   case SN_DELETE :
   case SN_THIS :
   case SN_OPERATOR :
   case SN_STRINGliteral :
   case SN_FLOATINGconstant :
   case SN_INTEGERconstant :
   case SN_LONGconstant :
   case SN_CHARACTERconstant :
   case SN_ICR :
   case SN_DECR :
   case SN_CLCL :
   case '(':
   case '~':
   case '*':
   case '&':
   case '+':
   case '-':
   case '!':
      if( expression_statement ()) return True;
      step( 1 );
      return False;

   case 0:
      printf( "unexpected end of file\n" );
      return False;

   default:
#ifdef PRINT_STATEMENT_DEFAULT
      printf( "statement: default: %4d %s file: %s:(%d.%d)\n"
            , token( 0 )
            , ident( 0 )
            , filename_g
            , f_lineno( 0 )
            , f_charno( 0 )
            );
#endif
#ifdef BREAK_BY_STATEMENT_DEFAULT
      exit( -1 );
#endif
      if( declaration_statement1()) return True;
      if( expression_statement  ()) return True;
      if( declaration_statement2()) return True;
      step( 1 );
      return False;

/*    case SN_ARROW : */
/*    case SN_LS : */
/*    case SN_RS : */
/*    case SN_LE : */
/*    case SN_GE : */
/*    case SN_EQ : */
/*    case SN_NE : */
/*    case SN_ANDAND : */
/*    case SN_OROR : */
/*    case SN_ELLIPSIS : */
/*    case SN_DOTstar : */
/*    case SN_ARROWstar : */
/*    case SN_MULTassign : */
/*    case SN_DIVassign : */
/*    case SN_MODassign : */
/*    case SN_PLUSassign : */
/*    case SN_MINUSassign : */
/*    case SN_LSassign : */
/*    case SN_RSassign : */
/*    case SN_ANDassign : */
/*    case SN_ERassign : */
/*    case SN_ORassign : */
/*    case '=' : */
/*    case '|' : */
/*    case '^' : */
/*    case '&' : */
/*    case '<' : */
/*    case '>' : */
/*    case '/' : */
/*    case '%' : */
/*    case ')' : */
/*    case '[' : */
/*    case ']' : */
/*    case '.' : */
/*    case ',' : */
/*    case '{' : */
/*    case '}' : */
/*    case '?' : */
/*    case ':' : */
   }
}