• branch=trunk inherited from [f65680e1d2]
• sym-trunk inherited from [f65680e1d2]

Modified readme.txt from [69c8df99d191e188] to [7d7a59abebf26f18].

   37      All the other parts are written by Kazuhiro Inaba and                             37      All the other parts are written by Kazuhiro Inaba and
   38      licensed under NYSL 0.9982 ( http://www.kmonos.net/nysl/ ).                       38      licensed under NYSL 0.9982 ( http://www.kmonos.net/nysl/ ).
   39                                                                                        39  
   40                                                                                        40  
   41                                                                                        41  
   42  <<How to Use>>                                                                        42  <<How to Use>>
   43                                                                                        43  
   44    I don't know.                                                                  |    44    > polemy
                                                                                        >    45        starts REPL
                                                                                        >    46  
                                                                                        >    47    > polemy foo.pmy
                                                                                        >    48        executes foo.pmy
                                                                                        >    49  
                                                                                        >    50  
                                                                                        >    51  
                                                                                        >    52  <<Memo of Language Spec>>
                                                                                        >    53  
                                                                                        >    54  syntax
                                                                                        >    55  
                                                                                        >    56   E ::= ("var"|"let"|"def"|LAYER) ID "=" E ; E
                                                                                        >    57       | "fun" "(" PARAMS ")" "{" E "}"
                                                                                        >    58       | E "(" ARGS ")"
                                                                                        >    59  
                                                                                        >    60       | LAYER "(" E ")"
                                                                                        >    61  
                                                                                        >    62       | "(" E ")"
                                                                                        >    63       | E BINOP E
                                                                                        >    64       | "if" "(" E ")" "{" E "}"
                                                                                        >    65       | "if" "(" E ")" "{" E "}" "else "{" E "}"
                                                                                        >    66       | ("var"|"let"|"def"|LAYER) ID "(" PARAMS ")" "{" E "}"
                                                                                        >    67  
                                                                                        >    68  ARGS ::= ","-separated E's
                                                                                        >    69  PARAMS ::= ","-separated VAR's
                                                                                        >    70  LAYER ::= "@" ID
                                                                                        >    71  
                                                                                        >    72  if-then-else is a syntax sugar for a function call: if( E, fun(){E}, fun(){E} )
                                                                                        >    73  binary ops (e.g., E + E) is a syntax sugar: +(E, E)
                                                                                        >    74  
                                                                                        >    75  comment is "# ... \n"
                                                                                        >    76