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gf-core/lib/resource/abstract/Common.gf
2007-12-12 20:30:11 +00:00

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--1 Common: Structures with Common Implementations.
-- This module defines the categories that uniformly have the linearization
-- ${s : Str}$ in all languages.
-- Moreover, this module defines the abstract parameters of tense, polarity, and
-- anteriority, which are used in [``Phrase`` Phrase.html] to generate different
-- forms of sentences. Together they give 4 x 2 x 2 = 16 sentence forms.
-- These tenses are defined for all languages in the library. More tenses
-- can be defined in the language extensions, e.g. the "passé simple" of
-- Romance languages in [``ExtraRomance`` ../romance/ExtraRomance.gf].
abstract Common = {
cat
--2 Top-level units
-- Constructed in [``Text`` Text.html]: $Text$.
Text ; -- text consisting of several phrases e.g. "He is here. Why?"
-- Constructed in [``Phrase`` Phrase.html]:
Phr ; -- phrase in a text e.g. "but be quiet please"
Utt ; -- sentence, question, word... e.g. "be quiet"
Voc ; -- vocative or "please" e.g. "my darling"
PConj ; -- phrase-beginning conjunction e.g. "therefore"
-- Constructed in [``Sentence`` Sentence.html]:
SC ; -- embedded sentence or question e.g. "that it rains"
--2 Adverbs
-- Constructed in [``Adverb`` Adverb.html].
-- Many adverbs are constructed in [``Structural`` Structural.html].
Adv ; -- verb-phrase-modifying adverb e.g. "in the house"
AdV ; -- adverb directly attached to verb e.g. "always"
AdA ; -- adjective-modifying adverb e.g. "very"
AdN ; -- numeral-modifying adverb e.g. "more than"
IAdv ; -- interrogative adverb e.g. "why"
CAdv ; -- comparative adverb e.g. "more"
--2 Tense, polarity, and anteriority
Tense ; -- tense e.g. present, past, future
Pol ; -- polarity e.g. positive, negative
Ant ; -- anteriority e.g. simultaneous, anterior
fun
PPos, PNeg : Pol ; -- I sleep/don't sleep
TPres : Tense ;
ASimul : Ant ;
TPast, TFut, TCond : Tense ; -- I slept/will sleep/would sleep --# notpresent
AAnter : Ant ; -- I have slept --# notpresent
}