Spaces:
Runtime error
Runtime error
File size: 177 Bytes
afd8fc6 |
1 2 3 4 5 6 7 |
root ::= (expr "=" ws term "\n")+
expr ::= term ([-+*/] term)*
term ::= ident | num | "(" ws expr ")" ws
ident ::= [a-z] [a-z0-9_]* ws
num ::= [0-9]+ ws
ws ::= [ \t\n]*
|