mbutterick
/
brag
1
0
Fork 0
Code Issues 3 Pull Requests 1 Projects Releases Wiki Activity

update `repeat` tests

Browse Source
hide-top-rule-name
Matthew Butterick 6 years ago
parent 4d349837a6
commit 9db55b3d83
2 changed files with 14 additions and 14 deletions
Show Stats Download Patch File Download Diff File

16
brag/test/test-flatten.rkt
Unescape Escape View File

@ -95,23 +95,23 @@
;; repeat
(check-equal? (map syntax->datum
(flatten-rule #'(rule rule-2+ (repeat 0 (id rule-2)))))
(flatten-rule #'(rule rule-2+ (repeat 0 #f (id rule-2)))))
'((prim-rule repeat rule-2+
[(inferred-id rule-2+ repeat) (id rule-2)]
[])))
(check-equal? (map syntax->datum
(flatten-rule #'(rule rule-2+ (repeat 0 (seq (lit "+") (id rule-2))))))
(flatten-rule #'(rule rule-2+ (repeat 0 #f (seq (lit "+") (id rule-2))))))
'((prim-rule repeat rule-2+
[(inferred-id rule-2+ repeat) (lit "+") (id rule-2)]
[])))
(check-equal? (map syntax->datum
(flatten-rule #'(rule rule-2+ (repeat 1 (id rule-2)))))
(flatten-rule #'(rule rule-2+ (repeat 1 #f (id rule-2)))))
'((prim-rule repeat rule-2+
[(inferred-id rule-2+ repeat) (id rule-2)]
[(id rule-2)])))
(check-equal? (map syntax->datum
(flatten-rule #'(rule rule-2+ (repeat 1 (seq (lit "-") (id rule-2))))))
(flatten-rule #'(rule rule-2+ (repeat 1 #f (seq (lit "-") (id rule-2))))))
'((prim-rule repeat rule-2+
[(inferred-id rule-2+ repeat) (lit "-") (id rule-2)]
[(lit "-") (id rule-2)])))
@ -137,7 +137,7 @@
;; choice, maybe, repeat
(check-equal? (map syntax->datum
(flatten-rule #'(rule sexp (choice (lit "x")
(maybe (repeat 1 (lit "y")))))
(maybe (repeat 1 #f (lit "y")))))
#:fresh-name (make-fresh-name)))
'((prim-rule choice sexp
[(lit "x")]
@ -172,7 +172,7 @@
;; seq, repeat
(check-equal? (map syntax->datum
(flatten-rule #'(rule expr (seq (id term) (repeat 0 (seq (lit "+") (id term)))))
(flatten-rule #'(rule expr (seq (id term) (repeat 0 #f (seq (lit "+") (id term)))))
#:fresh-name (make-fresh-name)))
'((prim-rule seq expr [(id term) (inferred-id r1 repeat)])
(inferred-prim-rule repeat r1 [(inferred-id r1 repeat) (lit "+") (id term)] [])))
@ -181,8 +181,8 @@
;; larger example: simple arithmetic
(check-equal? (map syntax->datum
(flatten-rules (syntax->list
#'((rule expr (seq (id term) (repeat 0 (seq (lit "+") (id term)))))
(rule term (seq (id factor) (repeat 0 (seq (lit "*") (id factor)))))
#'((rule expr (seq (id term) (repeat 0 #f (seq (lit "+") (id term)))))
(rule term (seq (id factor) (repeat 0 #f (seq (lit "*") (id factor)))))
(rule factor (token INT))))
#:fresh-name (make-fresh-name)))

12
brag/test/test-parser.rkt
Unescape Escape View File

@ -63,14 +63,14 @@
(list (rule (p 1) (p 16)
(lhs-id (p 1) (p 5) "expr" #f)
(pattern-repeat (p 8) (p 16)
0
0 #f
(pattern-lit (p 8) (p 15) "hello" #f)))))
(check-equal? (grammar-parser (tokenize (open-input-string "expr : 'hello'+")))
(list (rule (p 1) (p 16)
(lhs-id (p 1) (p 5) "expr" #f)
(pattern-repeat (p 8) (p 16)
1
1 #f
(pattern-lit (p 8) (p 15) "hello" #f)))))
(check-equal? (grammar-parser (tokenize (open-input-string "expr : [/'hello']")))
@ -114,20 +114,20 @@
(list (rule (p 1) (p 22)
(lhs-id (p 1) (p 5) "expr" #f)
(pattern-seq (p 8) (p 22) (list (pattern-id (p 8) (p 11) "one" #f)
(pattern-repeat (p 12) (p 16) 0 (pattern-id (p 12) (p 15) "two" #f))
(pattern-repeat (p 12) (p 16) 0 #f (pattern-id (p 12) (p 15) "two" #f))
(pattern-id (p 17) (p 22) "three" #f))))))
(check-equal? (grammar-parser (tokenize (open-input-string "expr : one two+ three")))
(list (rule (p 1) (p 22)
(lhs-id (p 1) (p 5) "expr" #f)
(pattern-seq (p 8) (p 22) (list (pattern-id (p 8) (p 11) "one" #f)
(pattern-repeat (p 12) (p 16) 1 (pattern-id (p 12) (p 15) "two" #f))
(pattern-repeat (p 12) (p 16) 1 #f (pattern-id (p 12) (p 15) "two" #f))
(pattern-id (p 17) (p 22) "three" #f))))))
(check-equal? (grammar-parser (tokenize (open-input-string "expr : (one two)+ three")))
(list (rule (p 1) (p 24)
(lhs-id (p 1) (p 5) "expr" #f)
(pattern-seq (p 8) (p 24) (list (pattern-repeat (p 8) (p 18) 1
(pattern-seq (p 8) (p 24) (list (pattern-repeat (p 8) (p 18) 1 #f
(pattern-seq (p 8) (p 17)
(list (pattern-id (p 9) (p 12) "one" #f)
(pattern-id (p 13) (p 16) "two" #f))))
@ -142,7 +142,7 @@ EOF
)))
(list (rule (p 1) (p 17)
(lhs-id (p 1) (p 9) "statlist" #f)
(pattern-repeat (p 12) (p 17) 1 (pattern-id (p 12) (p 16) "stat" #f)))
(pattern-repeat (p 12) (p 17) 1 #f (pattern-id (p 12) (p 16) "stat" #f)))
(rule (p 18) (p 54)
(lhs-id (p 18) (p 22) "stat" #f)
(pattern-choice (p 24) (p 54) (list (pattern-seq (p 24) (p 35) (list (pattern-token (p 24) (p 26) "ID" #f)

Write Preview
Loading…
Cancel
Save