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Latvian: finally handles PassV2 clauses in a more or less adequate way

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Extends the previously introduced support for specifying the verb valence (verb-dependent subject and object cases), involving functions up to PredVP and RelVP.

In Latvian, the passive voice is not used if the agent (subject) is known; to preserve the information structure (i.e. the word order), a clause like 'A is <done> by B' is linearized in the active voice ('A <does> B') where A has the object case (e.g. Acc), and B - the subject case (e.g. Nom). Thus, the verb valence patterns are swapped on-the-fly.

This is still a rather quick & dirty implementation: parameters and linearization types have to be optimized (VerbLav), the use of PassV2 in AdvVP is problematic as it doesn't apply VPSlashPrep / ComplSlash, etc.
This commit is contained in:
normundsg
2013-05-01 03:33:58 +00:00
parent e31c92f9c3
commit 6f4befae68
12 changed files with 234 additions and 151 deletions
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10
lib/src/latvian/NounLav.gf
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@@ -19,7 +19,7 @@ lin
UsePron p = { s = p.s ; a = p.a ; isNeg = False } ;
PredetNP pred np = {
s = \\c => pred.s ! (fromAgr np.a).g ++ np.s ! c ;
s = \\c => pred.s ! (fromAgr np.a).gend ++ np.s ! c ;
a = np.a ;
isNeg = False
} ;
@@ -29,12 +29,12 @@ lin
--UseN3 n = n ;
ComplN2 f x = {
s = \\_,n,c => preOrPost f.isPre (f.p.s ++ x.s ! (f.p.c ! (fromAgr x.a).n)) (f.s ! n ! c) ;
s = \\_,n,c => preOrPost f.isPre (f.p.s ++ x.s ! (f.p.c ! (fromAgr x.a).num)) (f.s ! n ! c) ;
g = f.g
} ;
ComplN3 f x = {
s = \\n,c => preOrPost f.isPre1 (f.p1.s ++ x.s ! (f.p1.c ! (fromAgr x.a).n)) (f.s ! n ! c) ;
s = \\n,c => preOrPost f.isPre1 (f.p1.s ++ x.s ! (f.p1.c ! (fromAgr x.a).num)) (f.s ! n ! c) ;
g = f.g ;
p = f.p2 ;
isPre = f.isPre2
@@ -144,7 +144,7 @@ lin
-- 'Pielikums'
ApposCN cn np = {
s = \\d,n,c => case (fromAgr np.a).n of {
s = \\d,n,c => case (fromAgr np.a).num of {
n => cn.s ! d ! n ! c ++ np.s ! c ; -- FIXME: comparison not working
_ => NON_EXISTENT -- FIXME: pattern never reached
} ;
@@ -163,7 +163,7 @@ lin
-- FIXME: vajag šķirot noteikto/nenoteikto galotni..?
PPartNP np v2 = {
s = \\c => v2.s ! Pos ! (Participle TsTa (fromAgr np.a).g (fromAgr np.a).n c) ++ np.s ! c ;
s = \\c => v2.s ! Pos ! (Participle TsTa (fromAgr np.a).gend (fromAgr np.a).num c) ++ np.s ! c ;
a = np.a ;
isNeg = np.isNeg
} ;