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Diffstat (limited to 'src/parcom.cr')
| -rw-r--r-- | src/parcom.cr | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/parcom.cr b/src/parcom.cr index 8d7c754..6fc6339 100644 --- a/src/parcom.cr +++ b/src/parcom.cr @@ -228,6 +228,23 @@ module Parcom end end + class Sequence(T, V) < Parser(T, Array(V)) + def initialize(@ps : Iterable(Parser(T, V))) + end + + def parse(tokens : TokenStream(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) + end + end + class Tokens(T) < Parser(T, Array(T)) def initialize(@expected : Iterable(T)) end |
