diff options
| -rw-r--r-- | mylang.ebnf | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/mylang.ebnf b/mylang.ebnf index f71d877..53be3a4 100644 --- a/mylang.ebnf +++ b/mylang.ebnf @@ -1,6 +1,7 @@ lowercaseLetter = "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | "i" | "j" | "k" | "l" | "m" | "n" | "o" | "p" | "q" | "r" | "s" | "t" | "u" | "v" | "w" | "x" | "y" | "z". uppercaseLetter = "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | "I" | "J" | "K" | "L" | "M" | "N" | "O" | "P" | "Q" | "R" | "S" | "T" | "U" | "V" | "W" | "X" | "Y" | "Z". letter = lowercaseLetter | uppercaseLetter. + digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9". nl = "\n". @@ -8,13 +9,14 @@ ident = letter { letter | digit }. integer = digit { digit }. factor = ident | integer | "(" expression ")" | "~" factor. -term = factor {("*" | "/" | "%" | "&") factor}. -simple_expression = ["+" | "-"] term {("+" | "-" | "|") term}. +term = factor {("*" | "/" | "%" | "&&") factor}. +simple_expression = ["+" | "-"] term {("+" | "-" | "||") term}. expression = simple_expression [ ( "==" | "!=" | ">=" | "<=" | ">" | "<" ) simple_expression ]. + ident_list = ident { "," ident }. expression_list = expression { "," expression }. -program = function program. +program = function { function }. function = "fun" ident "[" [ ident_list ] "]" statements "end". statement = [ if_statement | while_statement | assignment | function_call | return_statement ]. |