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implement measured patterns

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krangelov
2021-09-29 13:26:06 +02:00
parent 2137324f81
commit edd7081dea
12 changed files with 81 additions and 94 deletions
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6
src/compiler/GF/Grammar/Grammar.hs
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@@ -421,8 +421,7 @@ data Patt =
-- regular expression patterns
| PNeg Patt -- ^ negated pattern: -p
| PAlt Patt Patt -- ^ disjunctive pattern: p1 | p2
| PSeq Patt Patt -- ^ sequence of token parts: p + q
| PMSeq MPatt MPatt -- ^ sequence of token parts: p + q
| PSeq Int Int Patt Int Int Patt -- ^ sequence of token parts: p + q
| PRep Patt -- ^ repetition of token part: p*
| PChar -- ^ string of length one: ?
| PChars [Char] -- ^ character list: ["aeiou"]
@@ -430,9 +429,6 @@ data Patt =
| PM QIdent -- #m.p
deriving (Show, Eq, Ord)
-- | Measured pattern (paired with the min & max matching length)
type MPatt = ((Int,Int),Patt)
-- | to guide computation and type checking of tables
data TInfo =
TRaw -- ^ received from parser; can be anything