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Fixed SISR bug.

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bringert
2007-03-26 13:12:04 +00:00
parent bc2b02e10d
commit 94bdd1fb23
1 changed files with 3 additions and 1 deletions
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4
src/GF/Speech/TransformCFG.hs
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@@ -49,7 +49,7 @@ data CFTerm
= CFObj Fun [CFTerm] -- ^ an abstract syntax function with arguments
| CFAbs Int CFTerm -- ^ A lambda abstraction. The Int is the variable id.
| CFApp CFTerm CFTerm -- ^ Application
| CFRes Int -- ^ The result of the n:th non-terminal
| CFRes Int -- ^ The result of the n:th (0-based) non-terminal
| CFVar Int -- ^ A lambda-bound variable
| CFMeta String -- ^ A metavariable
deriving (Eq,Ord,Show)
@@ -175,7 +175,9 @@ removeLeftRecursion start gr
shiftTerm :: CFTerm -> CFTerm
shiftTerm (CFObj f ts) = CFObj f (map shiftTerm ts)
shiftTerm (CFRes 0) = CFVar 1
shiftTerm (CFRes n) = CFRes (n-1)
shiftTerm t = t
-- note: the rest don't occur in the original grammar
cats = allCats gr
rules = ungroupProds gr