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|
routines (
postlude mark_regions
RV R1 R2
attached_pronoun
standard_suffix
y_verb_suffix
verb_suffix
residual_suffix
)
externals ( stem )
integers ( pV p1 p2 )
groupings ( v )
stringescapes {}
/* special characters */
stringdef a' '{U+00E1}' // a-acute
stringdef e' '{U+00E9}' // e-acute
stringdef i' '{U+00ED}' // i-acute
stringdef o' '{U+00F3}' // o-acute
stringdef u' '{U+00FA}' // u-acute
stringdef u" '{U+00FC}' // u-diaeresis
stringdef n~ '{U+00F1}' // n-tilde
define v 'aeiou{a'}{e'}{i'}{o'}{u'}{u"}'
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(
'{a'}' (<- 'a')
'{e'}' (<- 'e')
'{i'}' (<- 'i')
'{o'}' (<- 'o')
'{u'}' (<- 'u')
// and possibly {u"}->u here, or in prelude
'' (next)
) //or next
)
backwardmode (
define RV as $pV <= cursor
define R1 as $p1 <= cursor
define R2 as $p2 <= cursor
define attached_pronoun as (
[substring] among(
'me' 'se' 'sela' 'selo' 'selas' 'selos' 'la' 'le' 'lo'
'las' 'les' 'los' 'nos'
)
substring RV among(
'i{e'}ndo' (] <- 'iendo')
'{a'}ndo' (] <- 'ando')
'{a'}r' (] <- 'ar')
'{e'}r' (] <- 'er')
'{i'}r' (] <- 'ir')
'ando'
'iendo'
'ar' 'er' 'ir'
(delete)
'yendo' ('u' delete)
)
)
define standard_suffix as (
[substring] among(
'anza' 'anzas'
'ico' 'ica' 'icos' 'icas'
'ismo' 'ismos'
'able' 'ables'
'ible' 'ibles'
'ista' 'istas'
'oso' 'osa' 'osos' 'osas'
'amiento' 'amientos'
'imiento' 'imientos'
(
R2 delete
)
'adora' 'ador' 'aci{o'}n'
'adoras' 'adores' 'aciones'
'ante' 'antes' 'ancia' 'ancias'// Note 1
(
R2 delete
try ( ['ic'] R2 delete )
)
'log{i'}a'
'log{i'}as'
(
R2 <- 'log'
)
'uci{o'}n' 'uciones'
(
R2 <- 'u'
)
'encia' 'encias'
(
R2 <- 'ente'
)
'amente'
(
R1 delete
try (
[substring] R2 delete among(
'iv' (['at'] R2 delete)
'os'
'ic'
'ad'
)
)
)
'mente'
(
R2 delete
try (
[substring] among(
'ante' // Note 1
'able'
'ible' (R2 delete)
)
)
)
'idad'
'idades'
(
R2 delete
try (
[substring] among(
'abil'
'ic'
'iv' (R2 delete)
)
)
)
'iva' 'ivo'
'ivas' 'ivos'
(
R2 delete
try (
['at'] R2 delete // but not a further ['ic'] R2 delete
)
)
)
)
define y_verb_suffix as (
setlimit tomark pV for ([substring]) among(
'ya' 'ye' 'yan' 'yen' 'yeron' 'yendo' 'yo' 'y{o'}'
'yas' 'yes' 'yais' 'yamos'
('u' delete)
)
)
define verb_suffix as (
setlimit tomark pV for ([substring]) among(
'en' 'es' '{e'}is' 'emos'
(try ('u' test 'g') ] delete)
'ar{i'}an' 'ar{i'}as' 'ar{a'}n' 'ar{a'}s' 'ar{i'}ais'
'ar{i'}a' 'ar{e'}is' 'ar{i'}amos' 'aremos' 'ar{a'}'
'ar{e'}'
'er{i'}an' 'er{i'}as' 'er{a'}n' 'er{a'}s' 'er{i'}ais'
'er{i'}a' 'er{e'}is' 'er{i'}amos' 'eremos' 'er{a'}'
'er{e'}'
'ir{i'}an' 'ir{i'}as' 'ir{a'}n' 'ir{a'}s' 'ir{i'}ais'
'ir{i'}a' 'ir{e'}is' 'ir{i'}amos' 'iremos' 'ir{a'}'
'ir{e'}'
'aba' 'ada' 'ida' '{i'}a' 'ara' 'iera' 'ad' 'ed'
'id' 'ase' 'iese' 'aste' 'iste' 'an' 'aban' '{i'}an'
'aran' 'ieran' 'asen' 'iesen' 'aron' 'ieron' 'ado'
'ido' 'ando' 'iendo' 'i{o'}' 'ar' 'er' 'ir' 'as'
'abas' 'adas' 'idas' '{i'}as' 'aras' 'ieras' 'ases'
'ieses' '{i'}s' '{a'}is' 'abais' '{i'}ais' 'arais'
'ierais' 'aseis' 'ieseis' 'asteis' 'isteis' 'ados'
'idos' 'amos' '{a'}bamos' '{i'}amos' 'imos'
'{a'}ramos' 'i{e'}ramos' 'i{e'}semos' '{a'}semos'
(delete)
)
)
define residual_suffix as (
[substring] among(
'os'
'a' 'o' '{a'}' '{i'}' '{o'}'
( RV delete )
'e' '{e'}'
( RV delete try( ['u'] test 'g' RV delete ) )
)
)
)
define stem as (
do mark_regions
backwards (
do attached_pronoun
do ( standard_suffix or
y_verb_suffix or
verb_suffix
)
do residual_suffix
)
do postlude
)
/*
Note 1: additions of 15 Jun 2005
*/
|
