File: parsetree.lgt

package info (click to toggle)
yap 5.1.1-3
  • links: PTS
  • area: main
  • in suites: lenny
  • size: 16,124 kB
  • ctags: 14,650
  • sloc: ansic: 122,796; perl: 22,545; sh: 3,768; java: 1,277; makefile: 1,191; xml: 739; tcl: 624; lisp: 142; awk: 9
file content (29 lines) | stat: -rw-r--r-- 520 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 

:- object(parsetree,
	implements(parsep)).


	parse(List, Tree) :-
		phrase(sentence(Tree), List).


	sentence(s(NP,VP)) --> noun_phrase(NP), verb_phrase(VP).

	noun_phrase(np(D,NP)) --> determiner(D), noun(NP).
	noun_phrase(NP) --> noun(NP).

	verb_phrase(vp(V)) --> verb(V).
	verb_phrase(vp(V,NP)) --> verb(V), noun_phrase(NP).


	determiner(d(the)) --> [the].
	determiner(d(a)) --> [a].

	noun(n(boy)) --> [boy].
	noun(n(girl)) --> [girl].

	verb(v(likes)) --> [likes].
	verb(v(hates)) --> [hates].


:- end_object.