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<!-- Weave of 'Past Participles' generated by Inweb -->
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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../compiler.html" > Inform7 Modules< / a > < / li > < li > < a href = "index.html" > inflections< / a > < / li > < li > < a href = "index.html#3" > Chapter 3: Grammatical Uses of Inflection< / a > < / li > < li > < b > Past Participles< / b > < / li > < / ul > < / div >
< p class = "purpose" > To inflect present into past participles.< / p >
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< ul class = "toc" > < li > < a href = "3-pp.html#SP1" > § 1. Constructing past participles< / a > < / li > < li > < a href = "3-pp.html#SP2" > § 2. The pasturising trie< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "commentary firstcommentary" > < a id = "SP1" > < / a > < b > § 1. Constructing past participles. < / b > For example, "turning away" to "turned away".
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PastParticiples::pasturise_wording< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pasturised< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > feed_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Feeds::begin< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_THROUGH_WORDING< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "%W"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Wordings::one_word< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::get_first_char< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > '\"'< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pasturised< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "some-long-text"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "3-pp.html#SP2" class = "function-link" > < span class = "function-syntax" > PastParticiples::pasturise_text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pasturised< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > > < / span > < span class = "identifier-syntax" > Wordings::first_wn< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > Feeds::feed_wording< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Wordings::up_to< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > -1));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Feeds::feed_stream< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pasturised< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > Wordings::last_wn< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > Feeds::feed_wording< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Wordings::from< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > +1));< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PLW< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Feeds::end< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOGIF< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > CONSTRUCTED_PAST_PARTICIPLES< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "[Past participle of %W is %W]\n"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > PLW< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pasturised< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PLW< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP2" > < / a > < b > § 2. The pasturising trie. < / b > This is the process of turning a present participle, like "turning", to
a past participle, like "turned". Note that it returns < span class = "extract" > < span class = "extract-syntax" > NULL< / span > < / span > if it fails
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to recognise the word in question as a present participle; this is needed
above. It expects only a single word.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PastParticiples::pasturise_text< / span > < button class = "popup" onclick = "togglePopup('usagePopup1')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup1" > Usage of < span class = "code-font" > < span class = "function-syntax" > PastParticiples::pasturise_text< / span > < / span > :< br / > < a href = "3-pp.html#SP1" > § 1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > match_avinue< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > past_trie< / span > < span class = "plain-syntax" > =< / span >
< span class = "plain-syntax" > < / span > < a href = "2-np.html#SP7" class = "function-link" > < span class = "function-syntax" > Preform::Nonparsing::define_trie< / span > < / a > < span class = "plain-syntax" > (< < / span > < span class = "identifier-syntax" > pasturise< / span > < span class = "plain-syntax" > -< / span > < span class = "identifier-syntax" > participle< / span > < span class = "plain-syntax" > > , < / span > < span class = "identifier-syntax" > TRIE_START< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "2-tai.html#SP1" class = "function-link" > < span class = "function-syntax" > Inflections::suffix_inflection< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > past_trie< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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