The Fred Fish Collection 1.5/ffcollection-1-5-1992-11.iso/ff_disks/300-399/ff387.lzh/H2I/Syntax

Text File | 1990-10-22 | 10KB | 420 lines

file

      +---------------+
      |               |
      V               |
   -->+-> statement --+--->



statement

   ---+-> include_statement ->+--->
      |                       A
      |                       |
      +-> define_statement -->+
      |                       A
      |                       |
      +-> struct_statement ---+



include_statement

   -----> "#include" --+-> '"' --> file_name --> '"' ->+--->
                       |                               A
                       |                               |
                       +-> '<' --> file_name --> '>' --+



file_name

      +------------------+
      |                  |
      V                  |
   -->+--+-> letter ->+--+----->
         |            A
         |            |
         +-> digit -->+
         |            A
         |            |
         +-> ':' ---->+
         |            A
         |            |
         +-> '/' ---->+
         |            A
         |            |
         +-> '.' -----+



define_statement

   -----> "#define" --> identifier --> constant_expr_1---->



identifier

      +------------------+
      |                  |
      V                  |
   -->+--+-> letter ->+--+--->
         |            A
         |            |
         +-> digit ---+


letter

   ---+-> 'A' ->+--->
      |         A
      :    :    :
      |         |
      +-> 'Z' ->+
      |         A
      |         |
      +-> 'a' ->+
      |         A
      :    :    :
      |         |
      +-> 'z' ->+
      |         A
      |         |
      +-> '_' --+



digit

   ---+-> '0' ->+--->
      |         A
      :    :    :
      |         |
      +-> '9' --+



constant_expr_1

   ---+-> constant ------------------------>+--->
      |                                     |
      |                                     |
      +-> identifier ---------------------->+
      |                                     |
      |                                     |
      +-> unary_op constant --------------->+
      |                                     |
      |                                     |
      +-> unary_op identifier ------------->+
      |                                     |
      |                                     |
      +-> '(' --> constant_expr_2 --> ')' --+



constant_expr_2

   ---+-> constant ----------------------------------------->+--->
      |                                                      A
      |                                                      |
      +-> identifier --------------------------------------->+
      |                                                      A
      |                                                      |
      +-> unary_op --> constant_expr_2 --------------------->+
      |                                                      A
      |                                                      |
      +-> constant_expr_2 --> operator --> constant_expr_2 ->+
      |                                                      A
      |                                                      |
      +-> '(' --> constant_expr_2 --> ')' -------------------+



constant

   ---+-> hexadecimal_constant ->+--->
      |                          A
      |                          |
      +-> decimal_constant ----->+
      |                          A
      |                          |
      +-> octal_constant --------+



hexadecimal_constant

   -----> '0' --+-> 'x' ->+-->+-> hexadecimal_digit -+--->
                |         A   A                      |
                |         |   |                      |
                +-> 'X' --+   +----------------------+


hexadecimal_digit

   ---+-> '0' ->+--->
      |         A
      :    :    :
      |         |
      +-> '9' ->+
      |         A
      |         |
      +-> 'a' ->+
      |         A
      :    :    :
      |         |
      +-> 'f' ->+
      |         A
      |         |
      +-> 'A' ->+
      |         A
      :    :    :
      |         |
      +-> 'F' --+



decimal_constant

   -----> pos_digit ->+-> digit -+--->
                      A          |
                      |          |
                      +----------+



pos_digit

   ---+-> '1' ->+--->
      |         A
      :    :    :
      |         |
      +-> '9' --+



octal_constant

   -----> '0' ->+-> octal_digit -+--->
                A                |
                |                |
                +----------------+



octal_digit

   ---+-> '0' ->+--->
      |         A
      :    :    :
      |         |
      +-> '7' --+



unary_op

   ---+-> '-' ->+--->
      |         A
      |         |
      +-> '~' --+


operator

   ---+-> '*' -->+--->
      |          A
      |          |
      +-> '+' -->+
      |          A
      |          |
      +-> '-' -->+
      |          A
      |          |
      +-> '/' -->+
      |          A
      |          |
      +-> '&' -->+
      |          A
      |          |
      +-> '|' -->+
      |          A
      |          |
      +-> '%' -->+
      |          A
      |          |
      +-> '^' -->+
      |          A
      |          |
      +-> "<<" ->+
      |          A
      |          |
      +-> ">>" --+



struct_statement

   -----> "struct" --> identifier --> prefix --+
                                               |
                                               |
                     +-------------------------+
                     |
                     |
                     +--> '{' -->+-> komponent --+--> '}' --> ';' ----->
                                 A               |
                                 |               |
                                 +---------------+



prefix

   -----> "/*/" --> identifier --> "*/" ----->



komponent

   ---+-> type ----------------------------->+--> declarator ----->
      |                                      A
      |                                      |
      +-> struct --> identifier --> prefix --+



type

   ---+-> c_type ----->+--->
      |                A
      |                |
      +-> amiga_type --+


c_type

   ---+-> "unsigned" --+--+-> "char" --->+---------->+--->
      |                A  |              A           A
      |                |  |              |           |
      +----------------+  +-> "short" -->+-> "int" ->+
      |                   |              A           A
      |                   |              |           |
      |                   +-> "long" ----+           |
      |                                              |
      |                                              |
      +---------------------> "void" --------------->+
      |                                              A
      |                                              |
      +---------------------> "float" -------------->+
      |                                              A
      |                                              |
      +-> "long" --+--------> "double" --------------+
      |            A
      |            |
      +------------+



amiga_type

   ---+-> "VOID" ----->+
      |                A
      |                |
      +-> "BYTE" ----->+
      |                A
      |                |
      +-> "UBYTE" ---->+
      |                A
      |                |
      +-> "BYTEBITS" ->+
      |                A
      |                |
      +-> "TEXT" ----->+
      |                A
      |                |
      +-> "SHORT" ---->+
      |                A
      |                |
      +-> "USHORT" --->+
      |                A
      |                |
      +-> "WORD" ----->+
      |                A
      |                |
      +-> "UWORD" ---->+
      |                A
      |                |
      +-> "COUNT" ---->+
      |                A
      |                |
      +-> "UCOUNT" --->+
      |                A
      |                |
      +-> "BOOL" ----->+
      |                A
      |                |
      +-> "WORDBITS" ->+
      |                A
      |                |
      +-> "LONG" ----->+
      |                A
      |                |
      +-> "ULONG" ---->+
      |                A
      |                |
      +-> "LONGBITS" ->+
      |                A
      |                |
      +-> "APTR" ----->+
      |                A
      |                |
      +-> "BPTR" ----->+
      |                A
      |                |
      +-> "CPTR" ----->+
      |                A
      |                |
      +-> "BSTR" ----->+
      |                A
      |                |
      +-> "STRPTR" --->+
      |                A
      |                |
      +-> "FLOAT" ---->+
      |                A
      |                |
      +-> "DOUBLE" ----+


declarator

   ---+------------>+-> idenifier -----------------+---------------->+--->
      |             A                              |                 A
      |             |                              V                 |
      +-> pointer --+                              +-> array ------->+
      |                                            A                 A
      |                                            |                 |
      +-> '(' --> pointer --> identifier --> ')' --+-> '(' --> ')' --+



pointer

   --->+-> '*' --+--->
       A         |
       |         |
       +---------+



array

   --->+-> '[' --> constant --> ']' --+--->
       A                              |
       |                              |
       +------------------------------+