diff options
Diffstat (limited to 'grammars/arithmetic.gbnf')
| -rw-r--r-- | grammars/arithmetic.gbnf | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/grammars/arithmetic.gbnf b/grammars/arithmetic.gbnf new file mode 100644 index 0000000..3aa95a9 --- /dev/null +++ b/grammars/arithmetic.gbnf @@ -0,0 +1,6 @@ +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]* |