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authorMatthew Hall <hallmatthew314@gmail.com>2023-03-19 23:02:29 +1300
committerMatthew Hall <hallmatthew314@gmail.com>2023-03-19 23:02:29 +1300
commit9734fa2d530b9496b70a388a117ea57fe5730772 (patch)
tree78a42db1e64e5148edfa96cb2a451a17ef362485 /src/__OLD_parcom/sequence.cr
parent2ef8841e9c7a48eea0f66cfe09d8fe996f43c2b2 (diff)
Remove old files
Diffstat (limited to 'src/__OLD_parcom/sequence.cr')
-rw-r--r--src/__OLD_parcom/sequence.cr33
1 files changed, 0 insertions, 33 deletions
diff --git a/src/__OLD_parcom/sequence.cr b/src/__OLD_parcom/sequence.cr
deleted file mode 100644
index 6a05cde..0000000
--- a/src/__OLD_parcom/sequence.cr
+++ /dev/null
@@ -1,33 +0,0 @@
-require "./parser.cr"
-
-module Parcom
- # `Sequence` is a `Parser` that combines multiple parsers and
- # tries to parse all of them in succession. If all of the parsers
- # succeed, the values parsed are returned in an array, in the order
- # they were parsed in. If any of the parsers fail,
- # the `Sequence` also fails.
- class Sequence(T, V) < Parser(T, Array(V))
- # Accepts the parsers to use.
- def initialize(@ps : Iterable(Parser(T, V)))
- end
-
- # Tries each parser in order, and returns their results.
- # Fail if any of the wrapped parsers fail.
- # TODO: this can probably be optimised more for Arrays
- # TODO: might be better to use #zip
- def parse(tokens : Tokens(T)) : Result(T, Array(V))
- parsed = [] of V
-
- @ps.each do |p|
- r = p.parse(tokens)
- parsed << r.value
- tokens = r.tokens
- end
-
- Result.new(tokens, parsed)
- rescue ex : ParserFail
- raise ParserFail.new("Sequence: #{ex.message}")
- end
- end
-end
-