nitlanguage
/
nit.git
/ blob
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
history
|
raw
|
HEAD
Merge: nitcatalog: content and options
[nit.git]
/
contrib
/
nitcc
/
tests
/
inf5000-05-grammaire-arithmetique2.sablecc
1
Grammar arithmetique;
2
Lexer
3
int = ('0'..'9')+;
4
blank = ' ' | #9 | #10 | #13;
5
6
Parser
7
Ignored blank;
8
9
exps = exp*;
10
11
exp = {add:} exp '+' factor |
12
{min:} exp '-' factor |
13
{factor:} factor ;
14
factor = {mul:} factor '*' term |
15
{term:} term ;
16
term = {int:} int |
17
{par:} '(' exp ')' ;