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95 lines
3.6 KiB
Common Lisp
95 lines
3.6 KiB
Common Lisp
;;; -*- Mode: Lisp; Syntax: Common-Lisp; -*-
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(define-language
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:grammar
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'(((S $any) -> (S1 $any))
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((S (Compound $s1 $s2)) -> (S1 $s1) (Conjunction) (S1 $s2))
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((S1 (Statement $v)) -> (NP $subj) (VP $subj $tense $v))
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((S1 (Acknowledge $a)) -> (Acknowledge $a))
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((S1 (Command $v)) -> (VP Self present $v))
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((S1 (Question $v)) -> (Aux $tense) (NP $subj) (VP $subj $tense $v))
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((S1 (Question $v)) -> (Be $tense) (NP $subj) (Be-Arg $subj $tense $v))
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((Be-Arg $subj $tense (Occur $tense (loc $subj $loc))) ->
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(Loc-Adjunct $tense (loc $subj $loc)))
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((VP $subj $tense (Occur $tense $v)) -> (VP1 $subj $tense $v))
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((VP $subj $tense (Occur $tense $v)) -> (Aux $tense)(VP1 $subj present $v))
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((VP1 $subj $tense $v) -> (VP2 $subj $tense $v) (Adjunct? $v))
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((VP2 $subj $tense ($rel $subj $loc)) ->
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(Verb/in $rel $tense))
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((VP2 $subj $tense ($rel $subj $loc $obj)) ->
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(Verb/tr $rel $tense) (NP $obj))
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((VP2 $subj $tense ($rel $subj $loc $obj $obj2)) ->
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(Verb/di $rel $tense) (NP $obj) (NP $obj2))
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((VP2 $subj $tense (loc $subj $loc)) ->
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(Be $tense) (Loc-Adjunct $tense (loc $subj $loc)))
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((NP $n) -> (Pronoun $n))
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((NP $n) -> (Article) (Noun $n))
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((NP $n) -> (Noun $n))
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((NP ($x $y)) -> (Number $x) (Number $y))
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((PP ($prep $n)) -> (Prep $prep) (NP $n))
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((Adjunct? $v) ->)
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((Adjunct? $v) -> (Loc-Adjunct $tense $v))
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#+Allegro ((Loc-Adjunct $tense ($rel $subj $loc @rest)) -> (PP $loc))
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#+Allegro ((Loc-Adjunct $tense ($rel $subj $loc @rest)) -> (Adjunct $loc))
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#+Lucid ((Loc-Adjunct $tense ($rel $subj $loc . $rest)) -> (PP $loc))
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#+Lucid ((Loc-Adjunct $tense ($rel $subj $loc . $rest)) -> (Adjunct $loc))
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)
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:lexicon
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'(
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((Acknowledge $a) -> (yes true) (no false) (maybe unknown) (huh unparsed))
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((Adjunct $loc) -> here there (nearby near) near left right up down)
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((Article) -> a an the)
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((Aux $tense) -> (will future) (did past) (do $finite))
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((Be $tense) -> (am present) (are present) (is present) (be $finite)
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(was past) (were past))
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((Conjunction) -> and --)
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((Noun $n) -> gold Wumpus pit breeze stench glitter nothing)
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((Number $n) -> 0 1 2 3 4 5 6 7 8 9)
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((Prep $prep) -> in at to near)
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((Pronoun $n) -> (you self) (me master) (I master))
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((Verb/in $rel $tense) -> (go move $finite) (went move past)
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(move move $finite) (move move past) (shoot shoot $finite))
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((Verb/tr $rel $tense) -> (move carry $finite) (moved carry past)
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(carry carry $finite) (carry carried past)
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(grab grab $finite) (grab grabbed past) (get grab $finite)
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(got grab past) (release release $finite) (release release past)
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(drop release $finite) (dropped release past) (shoot shoot-at $finite)
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(shot shoot-at past) (kill shoot-at $finite) (killed shoot-at past)
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(smell perceive $finite) (feel perceive $finite) (felt perceive past))
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((Verb/di $rel $tense) -> (bring bring $finite) (brought bring past)
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(get bring $finite) (got bring past))
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))
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(defparameter *sentences*
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'((I will shoot the wumpus at 4 4)
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(yes)
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(You went right -- I will go left)
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(carry the gold)
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(yes and no)
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(did you bring me the gold)
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(a breeze is here -- I am near 5 3)
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(a stench is in 3 5)
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(a pit is nearby)
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(is the wumpus near)
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(Did you go to 3 8)
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(Yes -- Nothing is there)
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(Shoot -- Shoot left)
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(Kill the wumpus -- shoot up)))
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(defun ss (&optional (sentences *sentences*))
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"Run some test sentences, and count how many were not parsed."
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(count-if-not
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#'(lambda (s)
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(format t "~2&>>> ~(~{~a ~}~)~%" s)
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(write (second (parse s)) :pretty t))
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*sentences*))
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