GitHub/gf-core
1
0
Fork 1
mirror of https://github.com/GrammaticalFramework/gf-core.git synced 2026-05-01 15:22:50 -06:00
Code Issues Packages Projects Releases Wiki Activity

CFGtoPGF is now extended to support context-free grammars with primitive parameters

Browse Source
This commit is contained in:
krasimir
2016-03-22 10:28:15 +00:00
parent fbdf21d862
commit ce70720859
9 changed files with 192 additions and 166 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/compiler/GF/Speech/PGFToCFG.hs
View File

@@ -64,17 +64,17 @@ pgfToCFG pgf lang = mkCFG (showCId (lookStartCat pgf)) extCats (startRules ++ co
extCats :: Set Cat
extCats = Set.fromList $ map lhsCat startRules
extCats = Set.fromList $ map ruleLhs startRules
startRules :: [CFRule]
startRules = [CFRule (showCId c) [NonTerminal (fcatToCat fc r)] (CFRes 0)
startRules = [Rule (showCId c) [NonTerminal (fcatToCat fc r)] (CFRes 0)
| (c,CncCat s e lbls) <- Map.toList (cnccats cnc),
fc <- range (s,e), not (isPredefFId fc),
r <- [0..catLinArity fc-1]]
ruleToCFRule :: (FId,Production) -> [CFRule]
ruleToCFRule (c,PApply funid args) =
[CFRule (fcatToCat c l) (mkRhs row) (profilesToTerm [fixProfile row n | n <- [0..length args-1]])
[Rule (fcatToCat c l) (mkRhs row) (profilesToTerm [fixProfile row n | n <- [0..length args-1]])
| (l,seqid) <- Array.assocs rhs
, let row = sequences cnc ! seqid
, not (containsLiterals row)]
@@ -119,5 +119,5 @@ pgfToCFG pgf lang = mkCFG (showCId (lookStartCat pgf)) extCats (startRules ++ co
profileToTerm t [] = CFMeta t
profileToTerm _ xs = CFRes (last xs) -- FIXME: unify
ruleToCFRule (c,PCoerce c') =
[CFRule (fcatToCat c l) [NonTerminal (fcatToCat c' l)] (CFRes 0)
[Rule (fcatToCat c l) [NonTerminal (fcatToCat c' l)] (CFRes 0)
| l <- [0..catLinArity c-1]]