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|
routines (
prelude postlude mark_regions
RV R1 R2
attached_pronoun
standard_suffix
verb_suffix
vowel_suffix
)
externals ( stem )
integers ( pV p1 p2 )
groupings ( v AEIO CG )
stringescapes {}
/* special characters (in ISO Latin I) */
stringdef a' hex 'E1'
stringdef a` hex 'E0'
stringdef e' hex 'E9'
stringdef e` hex 'E8'
stringdef i' hex 'ED'
stringdef i` hex 'EC'
stringdef o' hex 'F3'
stringdef o` hex 'F2'
stringdef u' hex 'FA'
stringdef u` hex 'F9'
define v 'aeiou{a`}{e`}{i`}{o`}{u`}'
define prelude as (
test repeat (
[substring] among(
'{a'}' (<- '{a`}')
'{e'}' (<- '{e`}')
'{i'}' (<- '{i`}')
'{o'}' (<- '{o`}')
'{u'}' (<- '{u`}')
'qu' (<- 'qU')
'' (next)
)
)
repeat goto (
v [ ('u' ] v <- 'U') or
('i' ] v <- 'I')
)
)
define mark_regions as (
$pV = limit
$p1 = limit
$p2 = limit // defaults
do (
( v (non-v gopast v) or (v gopast non-v) )
or
( non-v (non-v gopast v) or (v next) )
setmark pV
)
do (
gopast v gopast non-v setmark p1
gopast v gopast non-v setmark p2
)
)
define postlude as repeat (
[substring] among(
'I' (<- 'i')
'U' (<- 'u')
'' (next)
)
)
backwardmode (
define RV as $pV <= cursor
define R1 as $p1 <= cursor
define R2 as $p2 <= cursor
define attached_pronoun as (
[substring] among(
'ci' 'gli' 'la' 'le' 'li' 'lo'
'mi' 'ne' 'si' 'ti' 'vi'
// the compound forms are:
'sene' 'gliela' 'gliele' 'glieli' 'glielo' 'gliene'
'mela' 'mele' 'meli' 'melo' 'mene'
'tela' 'tele' 'teli' 'telo' 'tene'
'cela' 'cele' 'celi' 'celo' 'cene'
'vela' 'vele' 'veli' 'velo' 'vene'
)
among( (RV)
'ando' 'endo' (delete)
'ar' 'er' 'ir' (<- 'e')
)
)
define standard_suffix as (
[substring] among(
'anza' 'anze' 'ico' 'ici' 'ica' 'ice' 'iche' 'ichi' 'ismo'
'ismi' 'abile' 'abili' 'ibile' 'ibili' 'ista' 'iste' 'isti'
'ist{a`}' 'ist{e`}' 'ist{i`}' 'oso' 'osi' 'osa' 'ose' 'mente'
'atrice' 'atrici'
'ante' 'anti' // Note 1
( R2 delete )
'azione' 'azioni' 'atore' 'atori'
( R2 delete
try ( ['ic'] R2 delete )
)
'logia' 'logie'
( R2 <- 'log' )
'uzione' 'uzioni' 'usione' 'usioni'
( R2 <- 'u' )
'enza' 'enze'
( R2 <- 'ente' )
'amento' 'amenti' 'imento' 'imenti'
( RV delete )
'amente' (
R1 delete
try (
[substring] R2 delete among(
'iv' ( ['at'] R2 delete )
'os' 'ic' 'abil'
)
)
)
'it{a`}' (
R2 delete
try (
[substring] among(
'abil' 'ic' 'iv' (R2 delete)
)
)
)
'ivo' 'ivi' 'iva' 'ive' (
R2 delete
try ( ['at'] R2 delete ['ic'] R2 delete )
)
)
)
define verb_suffix as setlimit tomark pV for (
[substring] among(
'ammo' 'ando' 'ano' 'are' 'arono' 'asse' 'assero' 'assi'
'assimo' 'ata' 'ate' 'ati' 'ato' 'ava' 'avamo' 'avano' 'avate'
'avi' 'avo' 'emmo' 'enda' 'ende' 'endi' 'endo' 'er{a`}' 'erai'
'eranno' 'ere' 'erebbe' 'erebbero' 'erei' 'eremmo' 'eremo'
'ereste' 'eresti' 'erete' 'er{o`}' 'erono' 'essero' 'ete'
'eva' 'evamo' 'evano' 'evate' 'evi' 'evo' 'Yamo' 'iamo' 'immo'
'ir{a`}' 'irai' 'iranno' 'ire' 'irebbe' 'irebbero' 'irei'
'iremmo' 'iremo' 'ireste' 'iresti' 'irete' 'ir{o`}' 'irono'
'isca' 'iscano' 'isce' 'isci' 'isco' 'iscono' 'issero' 'ita'
'ite' 'iti' 'ito' 'iva' 'ivamo' 'ivano' 'ivate' 'ivi' 'ivo'
'ono' 'uta' 'ute' 'uti' 'uto'
'ar' 'ir' // but 'er' is problematical
(delete)
)
)
define AEIO 'aeio{a`}{e`}{i`}{o`}'
define CG 'cg'
define vowel_suffix as (
try (
[AEIO] RV delete
['i'] RV delete
)
try (
['h'] CG RV delete
)
)
)
define stem as (
do prelude
do mark_regions
backwards (
do attached_pronoun
do (standard_suffix or verb_suffix)
do vowel_suffix
)
do postlude
)
/*
Note 1: additions of 15 Jun 2005
*/
|
