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authorbjorn <bjorn@bringert.net>2008-08-14 07:58:04 +0000
committerbjorn <bjorn@bringert.net>2008-08-14 07:58:04 +0000
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treed17682a545d6ac1e68ff49b8c20964182794baf7 /grammars/resource/nabstract/Combinations.gf
parent0bbb906141711767678f82b15a7b43e65e0b5bd6 (diff)
Remove the grammars directory. It was full of old grammars that don't compile these days. See the old source distributions if you want them.
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---1 Abstract Syntax for Multilingual Resource Grammar
---
--- Aarne Ranta 2002 -- 2003
---
--- Although concrete syntax differs a lot between different languages,
--- many structures can be treated as common, on the level
--- of abstraction that GF provides.
--- What we will present in the following is a linguistically oriented abstract
--- syntax that has been successfully defined for the following languages:
---
---* $Eng$lish
---* $Fin$nish
---* $Fre$nch
---* $Ger$man
---* $Ita$lian
---* $Rus$sian
---* $Swe$dish
---
--- The three-letter prefixes are used in file names all over the resource
--- grammar library; we refer to them commonly as $X$ below.
---!
--- The grammar has been applied to define language
--- fragments on technical or near-to-technical domains: database queries,
--- video recorder dialogue systems, software specifications, and a
--- health-related phrase book. Each new application helped to identify some
--- missing structures in the resource and suggested some additions, but the
--- number of them was usually small.
---
--- To use the resource in applications, you need the following
--- $cat$ and $fun$ rules in $oper$ form, completed by taking the
--- $lincat$ and $lin$ judgements of a particular language. This is done
--- by using, instead of this module, the $reuse$ module which has the name
--- $ResourceX$
-
-abstract Combinations = PredefAbs ** {
---!
---2 Categories
---
--- The categories of this resource grammar are mostly 'standard' categories
--- of linguistics. Their is no claim that they correspond to semantic categories
--- definable in type theory: to define such correspondences is the business
--- of applications grammars. In general, the correspondence between linguistic
--- and semantic categories is many-to-many.
---
--- Categories that may look special are $Adj2$, $Fun$, and $TV$. They are all
--- instances of endowing another category with a complement, which can be either
--- a direct object (whose case may vary) or a prepositional phrase. Prepositional
--- phrases that are not complements belong to the category
--- $AdV$ of adverbials.
---
--- In each group below, some categories are *lexical* in the sense of only
--- containing atomic elements. These elements are not necessarily expressed by
--- one word in all languages; the essential thing is that they have no
--- constituents. Thus they have no productions in this part of the
--- resource grammar. The $ParadigmsX$ grammars provide ways of defining
--- lexical elements.
---
--- Lexical categories are listed before other categories
--- in each group and divided by an empty line.
-
---!
---3 Nouns and noun phrases
---
-
-cat
- N ; -- simple common noun, e.g. "car"
- PN ; -- proper name, e.g. "John", "New York"
- Fun ; -- function word, e.g. "mother (of)"
- Fun2 ; -- two-place function, e.g. "flight (from) (to)"
-
- CN ; -- common noun phrase, e.g. "red car", "car that John owns"
- NP ; -- noun phrase, e.g. "John", "all cars", "you"
- Det ; -- determiner, e.g. "every", "all"
- Num ; -- numeral, e.g. "three", "879"
-
---!
---3 Adjectives and adjectival phrases
---
-
- Adj1 ; -- one-place adjective, e.g. "even"
- Adj2 ; -- two-place adjective, e.g. "divisible (by)"
- AdjDeg ; -- degree adjective, e.g. "big/bigger/biggest"
-
- AP ; -- adjective phrase, e.g. "divisible by two", "bigger than John"
-
--- The difference between $Adj1$ and $AdjDeg$ is that the former has no
--- comparison forms.
-
---!
---3 Verbs and verb phrases
---
-
- V ; -- one-place verb, e.g. "walk"
- TV ; -- two-place verb, e.g. "love", "wait (for)", "switch on"
- V3 ; -- three-place verb, e.g. "give", "prefer (stg) (to stg)"
- VS ; -- sentence-compl. verb, e.g. "say", "prove"
- VV ; -- verb-compl. verb, e.g. "can", "want"
-
- VG ; -- verbal group, e.g. "switch the light on"
- VP ; -- verb phrase, e.g. "switch the light on", "don't run"
-
---!
---3 Adverbials
---
--- This group has no lexical categories.
-
- AdV ; -- adverbial e.g. "now", "in the house"
- AdA ; -- ad-adjective e.g. "very"
- AdS ; -- sentence adverbial e.g. "therefore", "otherwise"
- Prep ; -- pre/postposition, case e.g. "after", Adessive
-
---!
---3 Sentences and relative clauses
---
--- This group has no lexical categories.
-
- S ; -- sentence, e.g. "John walks"
- Slash ; -- sentence without NP, e.g. "John waits for (...)"
- RP ; -- relative pronoun, e.g. "which", "the mother of whom"
- RC ; -- relative clause, e.g. "who walks", "that I wait for"
-
---!
---3 Questions and imperatives
---
--- This group has no lexical categories.
-
- IP ; -- interrogative pronoun, e.g. "who", "whose mother", "which yellow car"
- IAdv ; -- interrogative adverb., e.g. "when", "why"
- Qu ; -- question, e.g. "who walks"
- Imp ; -- imperative, e.g. "walk!"
-
---!
---3 Coordination and subordination
---
-
- Conj ; -- conjunction, e.g. "and"
- ConjD ; -- distributed conj. e.g. "both - and"
- Subj ; -- subjunction, e.g. "if", "when"
-
- ListS ; -- list of sentences
- ListAP ; -- list of adjectival phrases
- ListNP ; -- list of noun phrases
-
---!
---3 Complete utterances
---
--- This group has no lexical categories.
-
- Phr ; -- full phrase, e.g. "John walks.","Who walks?", "Wait for me!"
- Text ; -- sequence of phrases e.g. "One is odd. Therefore, two is even."
-
---!
---2 Rules
---
--- This set of rules is minimal, in the sense of defining the simplest combinations
--- of categories and not having redundant rules.
--- When the resource grammar is used as a library, it will often be useful to
--- access it through an intermediate library that defines more rules as
--- 'macros' for combinations of the ones below.
-
---!
---3 Nouns and noun phrases
---
-
-fun
- UseN : N -> CN ; -- "car"
- UsePN : PN -> NP ; -- "John"
- UseFun : Fun -> CN ; -- "successor"
- UseInt : Int -> Num ; -- "32" --- assumes i > 1
-
- ModAdj : AP -> CN -> CN ; -- "red car"
- DetNP : Det -> CN -> NP ; -- "every car"
- MassNP : CN -> NP ; -- "wine"
- IndefOneNP : CN -> NP ; -- "a car", "cars"
- IndefManyNP : Num -> CN -> NP ; -- "houses", "86 houses"
- DefOneNP : CN -> NP ; -- "the car"
- DefManyNP : Num -> CN -> NP ; -- "the cars", "the 86 cars"
- ModGenOne : NP -> CN -> NP ; -- "John's car"
- ModGenMany : Num -> NP -> CN -> NP ; -- "John's cars", "John's 86 cars"
- AppFun : Fun -> NP -> CN ; -- "successor of zero"
- AppFun2 : Fun2 -> NP -> Fun ; -- "flight from Paris"
- CNthatS : CN -> S -> CN ; -- "idea that the Earth is flat"
- NoNum : Num ; -- no numeral modifier
-
---!
---3 Adjectives and adjectival phrases
---
-
- AdjP1 : Adj1 -> AP ; -- "red"
- PositAdjP : AdjDeg -> AP ; -- "old"
-
- ComplAdj : Adj2 -> NP -> AP ; -- "divisible by two"
- ComparAdjP : AdjDeg -> NP -> AP ; -- "older than John"
- SuperlNP : AdjDeg -> CN -> NP ; -- "the oldest man"
-
---!
---3 Verbs and verb phrases
---
--- The principal way of forming sentences ($S$) is by combining a noun phrase
--- with a verb phrase (the $PredVP$ rule below). In addition to this, verb
--- phrases have uses in relative clauses and questions. Verb phrases already
--- have (or have not) a negation, but they are formed from verbal groups
--- ($VG$), which have both positive and negative forms.
-
- PredV : V -> VG ; -- "walk", "doesn't walk"
- PredPassV : V -> VG ; -- "is seen", "is not seen"
- PredTV : TV -> NP -> VG ; -- "sees John", "doesn't see John"
- PredVS : VS -> S -> VG ; -- "says that I run", "doesn't say..."
- PredVV : VV -> VG -> VG ; -- "can run", "can't run", "tries to run"
- PredV3 : V3 -> NP -> NP -> VG ; -- "prefers wine to beer"
-
- PredNP : NP -> VG ; -- "is John", "is not John"
- PredAdV : AdV -> VG ; -- "is everywhere", "is not in France"
- PredAP : AP -> VG ; -- "is old", "isn't old"
- PredCN : CN -> VG ; -- "is a man", "isn't a man"
- VTrans : TV -> V ; -- "loves"
-
- PosVG,NegVG : VG -> VP ; --
-
---!
---3 Adverbials
---
--- Here is how complex adverbials can be formed and used.
-
- AdjAdv : AP -> AdV ; -- "freely", "more consciously than you"
- PrepNP : Prep -> NP -> AdV ; -- "in London", "after the war"
-
- AdvVP : VP -> AdV -> VP ; -- "always walks", "walks in the park"
- AdvCN : CN -> AdV -> CN ; -- "house in London", "house today"
- AdvAP : AdA -> AP -> AP ; -- "very good"
-
---!
---3 Sentences and relative clauses
---
-
- PredVP : NP -> VP -> S ; -- "John walks"
- PosSlashTV, NegSlashTV : NP -> TV -> Slash ; -- "John sees", "John doesn's see"
- OneVP : VP -> S ; -- "one walks"
- ThereIsCN : CN -> S ; -- "there is a bar"
- ThereAreCN : Num -> CN -> S ; -- "there are 86 bars"
-
- IdRP : RP ; -- "which"
- FunRP : Fun -> RP -> RP ; -- "the successor of which"
- RelVP : RP -> VP -> RC ; -- "who walks", "who doesn't walk"
- RelSlash : RP -> Slash -> RC ; -- "that I wait for"/"for which I wait"
- ModRC : CN -> RC -> CN ; -- "man who walks"
- RelSuch : S -> RC ; -- "such that it is even"
-
---!
---3 Questions and imperatives
---
-
- WhoOne, WhoMany : IP ; -- "who (is)", "who (are)"
- WhatOne, WhatMany : IP ; -- "what (is)", "what (are)"
- FunIP : Fun -> IP -> IP ; -- "the mother of whom"
- NounIPOne, NounIPMany : CN -> IP ; -- "which car", "which cars"
-
- QuestVP : NP -> VP -> Qu; -- "does John walk"; "doesn't John walk"
- IntVP : IP -> VP -> Qu ; -- "who walks"
- IntSlash : IP -> Slash -> Qu ; -- "whom does John see"
- QuestAdv : IAdv -> NP -> VP -> Qu ; -- "why do you walk"
- IsThereCN : CN -> Qu ; -- "is there a bar"
- AreThereCN : Num -> CN -> Qu ; -- "are there (86) bars"
-
- ImperVP : VP -> Imp ; -- "be a man"
-
- IndicPhrase : S -> Phr ; -- "I walk."
- QuestPhrase : Qu -> Phr ; -- "Do I walk?"
- ImperOne, ImperMany : Imp -> Phr ; -- "Be a man!", "Be men!"
-
- AdvS : AdS -> S -> Phr ; -- "Therefore, 2 is prime."
-
---!
---3 Coordination
---
--- We consider "n"-ary coordination, with "n" > 1. To this end, we have introduced
--- a *list category* $ListX$ for each category $X$ whose expressions we want to
--- conjoin. Each list category has two constructors, the base case being $TwoX$.
-
--- We have not defined coordination of all possible categories here,
--- since it can be tricky in many languages. For instance, $VP$ coordination
--- is linguistically problematic in German because $VP$ is a discontinuous
--- category.
-
- ConjS : Conj -> ListS -> S ; -- "John walks and Mary runs"
- ConjAP : Conj -> ListAP -> AP ; -- "even and prime"
- ConjNP : Conj -> ListNP -> NP ; -- "John or Mary"
-
- ConjDS : ConjD -> ListS -> S ; -- "either John walks or Mary runs"
- ConjDAP : ConjD -> ListAP -> AP ; -- "both even and prime"
- ConjDNP : ConjD -> ListNP -> NP ; -- "either John or Mary"
-
- TwoS : S -> S -> ListS ;
- ConsS : ListS -> S -> ListS ;
-
- TwoAP : AP -> AP -> ListAP ;
- ConsAP : ListAP -> AP -> ListAP ;
-
- TwoNP : NP -> NP -> ListNP ;
- ConsNP : ListNP -> NP -> ListNP ;
-
---!
---3 Subordination
---
--- Subjunctions are different from conjunctions, but form
--- a uniform category among themselves.
-
- SubjS : Subj -> S -> S -> S ; -- "if 2 is odd, 3 is even"
- SubjImper : Subj -> S -> Imp -> Imp ; -- "if it is hot, use a glove!"
- SubjQu : Subj -> S -> Qu -> Qu ; -- "if you are new, who are you?"
- SubjVP : VP -> Subj -> S -> VP ; -- "(a man who) sings when he runs"
-
---!
---2 One-word utterances
---
--- These are, more generally, *one-phrase utterances*. The list below
--- is very incomplete.
-
- PhrNP : NP -> Phr ; -- "Some man.", "John."
- PhrOneCN, PhrManyCN : CN -> Phr ; -- "A car.", "Cars."
- PhrIP : IAdv -> Phr ; -- "Who?"
- PhrIAdv : IAdv -> Phr ; -- "Why?"
-
---!
---2 Text formation
---
--- A text is a sequence of phrases. It is defined like a non-empty list.
-
- OnePhr : Phr -> Text ;
- ConsPhr : Phr -> Text -> Text ;
-
-} ;
-