e8e39e597b
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@843 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
78 lines
1.9 KiB
Plaintext
78 lines
1.9 KiB
Plaintext
=================================================================
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Logtalk - Object oriented extension to Prolog
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Release 2.15.4
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Copyright (c) 1998-2003 Paulo Moura. All Rights Reserved.
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=================================================================
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% DCG rules implementing a simple calculator:
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| ?- calculator::parse("1+2-3*4", Result).
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Result = -9
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yes
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% recognizing gramatically correct sentences
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| ?- sentence::parse([the, girl, likes, the, boy], Result).
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Result = true
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yes
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| ?- sentence::parse([the, girl, scares, the, boy], Result).
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Result = false
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yes
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% generating parse trees for sentences
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| ?- parsetree::parse([the, girl, likes, the, boy], Tree).
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Tree = Tree = s(np(d(the), n(girl)), vp(v(likes), np(d(the), n(boy))))
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yes
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% conversion between compound terms and XML
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| ?- xml::convert(word(child, children), word(singular, plural), XML).
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XML = '<word><singular>child</singular><plural>children</plural></word>'
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yes
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| ?- xml::convert(Term, Interpretation, '<word><singular>child</singular><plural>children</plural></word>').
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Term = word(child, children)
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Interpretation = word(singular, plural)
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yes
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% parsing URLs
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| ?- url::parse("http://www.logtalk.org", Components).
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Components = [protocol(http), address([www, logtalk, org]), path([]), file('')]
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yes
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| ?- url::parse("http://www.logtalk.org/", Components).
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Components = [protocol(http), address([www, logtalk, org]), path(['']), file('')]
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yes
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| ?- url::parse("http://www.logtalk.org/cvs", Components).
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Components = [protocol(http), address([www, logtalk, org]), path([cvs]), file('')]
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yes
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| ?- url::parse("http://www.logtalk.org/cvs.html", Components).
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Components = [protocol(http), address([www, logtalk, org]), path([]), file('cvs.html')]
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yes
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| ?- url::parse("http://193.136.64.5/files/update", Components).
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Components = [protocol(http), address([193, 136, 64, 5]), path([files, update]), file('')]
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yes
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