diff options
| author | Andreas Baumann <mail@andreasbaumann.cc> | 2018-08-16 16:05:07 +0200 |
|---|---|---|
| committer | Andreas Baumann <mail@andreasbaumann.cc> | 2018-08-16 16:05:07 +0200 |
| commit | ef905e956911d0010532ee8348c144474ce8f1d6 (patch) | |
| tree | 19c624b5efcbcae1423ba5b2754e29805dabba12 /old | |
| parent | e010c35dd67d24a6bbf1acd5ae0ed1d64d0d905d (diff) | |
| download | compilertests-ef905e956911d0010532ee8348c144474ce8f1d6.tar.gz compilertests-ef905e956911d0010532ee8348c144474ce8f1d6.tar.bz2 | |
crenshaw: started to implement functions, added a todo
Diffstat (limited to 'old')
| -rw-r--r-- | old/crenshaw.ebnf | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/old/crenshaw.ebnf b/old/crenshaw.ebnf index 8b1effa..880ad6c 100644 --- a/old/crenshaw.ebnf +++ b/old/crenshaw.ebnf @@ -2,7 +2,10 @@ Digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" . Letter = "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" | "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". Num = Digit . -Variable = Letter . +Name = Letter . +Variable = Name . +Function = "(" Name ")" . +Ident = Variable | Function. Expression = Term { ( "+" | "-" ) Term } . Term = Factor { ( "*" | "/" ) Factor } . -Factor = Num | "(" Expression ")" | Variable . +Factor = Num | "(" Expression ")" | Ident . |