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<!-- Weave of 'Feeds' generated by Inweb -->
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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../compiler.html" > Shared Modules< / a > < / li > < li > < a href = "index.html" > words< / a > < / li > < li > < a href = "index.html#3" > Chapter 3: Words in Sequence< / a > < / li > < li > < b > Feeds< / b > < / li > < / ul > < / div >
< p class = "purpose" > Feeds are conduits for arbitrary text to flow into the lexer, and to be converted into wordings.< / p >
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< ul class = "toc" > < li > < a href = "3-fds.html#SP1" > § 1. Definitions< / a > < / li > < li > < a href = "3-fds.html#SP3" > § 3. Feed sessions< / a > < / li > < li > < a href = "3-fds.html#SP4" > § 4. Feeding a feed< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "commentary firstcommentary" > < a id = "SP1" > < / a > < b > § 1. Definitions. < / b > < / p >
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< p class = "commentary firstcommentary" > < a id = "SP2" > < / a > < b > § 2. < / b > I feel a certain embarrassment about the frequency with which the following
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code is needed throughout Inform, to create fresh source text from old. Is
this a shameless hack, sacrificing memory for the sake of a small data
structure to represent wordings? Or is it a deep insight into the
interdependency of lexical analysis and semantic understanding? The reader
must decide.
< / p >
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< p class = "commentary" > Each feed has a unique ID. At present only one is ever open at a time, but
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we don't want to assume that.
< / p >
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< pre class = "definitions code-font" > < span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > feed_t< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "comment-syntax" > (not a typedef only because it makes trouble for inweb)< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP3" > < / a > < b > § 3. Feed sessions. < / b > There are two ways to make a feed. One is simply to call one of the < span class = "extract" > < span class = "extract-syntax" > feed_text< / span > < / span >
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routines below and use its output. The other is for a multi-stage process,
that is, for when multiple pieces of text need to go into the same feed:
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to start such, call < span class = "extract" > < span class = "extract-syntax" > Feeds::begin< / span > < / span > and get an ID; to end, call < span class = "extract" > < span class = "extract-syntax" > Feeds::end< / span > < / span >
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with the corresponding ID back again.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "constant-syntax" > feed_t< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Feeds::begin< / 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" > Feeds::begin< / span > < / span > :< br / > Word Assemblages - < a href = "2-wa.html#SP7" > § 7< / a > < br / > Preform - < a href = "4-prf.html#SP53" > § 53< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > feed_t< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > lexer_wordcount< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Feeds::end< / span > < button class = "popup" onclick = "togglePopup('usagePopup2')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup2" > Usage of < span class = "code-font" > < span class = "function-syntax" > Feeds::end< / span > < / span > :< br / > Word Assemblages - < a href = "2-wa.html#SP7" > § 7< / a > < br / > Preform - < a href = "4-prf.html#SP53" > § 53< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > feed_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "3-wrd.html#SP6" class = "function-link" > < span class = "function-syntax" > Wordings::new< / span > < / a > < span class = "plain-syntax" > ((< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > lexer_wordcount< / span > < span class = "plain-syntax" > -1);< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP4" > < / a > < b > § 4. Feeding a feed. < / b > Within a feed session, we can pass two sorts of text into the lexer: first,
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raw strings.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Feeds::feed_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "3-fds.html#SP5" class = "function-link" > < span class = "function-syntax" > Feeds::feed_text_full< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Feeds::feed_stream< / span > < button class = "popup" onclick = "togglePopup('usagePopup3')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup3" > Usage of < span class = "code-font" > < span class = "function-syntax" > Feeds::feed_stream< / span > < / span > :< br / > Vocabulary - < a href = "2-vcb.html#SP17" > § 17< / a > < br / > Word Assemblages - < a href = "2-wa.html#SP7" > § 7< / a > , < a href = "2-wa.html#SP9" > § 9< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "3-fds.html#SP5" class = "function-link" > < span class = "function-syntax" > Feeds::feed_stream_full< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Feeds::feed_text_expanding_strings< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "3-fds.html#SP5" class = "function-link" > < span class = "function-syntax" > Feeds::feed_text_full< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Feeds::feed_stream_expanding_strings< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "3-fds.html#SP5" class = "function-link" > < span class = "function-syntax" > Feeds::feed_stream_full< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Feeds::feed_stream_punctuated< / span > < button class = "popup" onclick = "togglePopup('usagePopup4')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup4" > Usage of < span class = "code-font" > < span class = "function-syntax" > Feeds::feed_stream_punctuated< / span > < / span > :< br / > Preform - < a href = "4-prf.html#SP26" > § 26< / a > , < a href = "4-prf.html#SP54" > § 54< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > pmarks< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > = < / span > < a href = "3-fds.html#SP5" class = "function-link" > < span class = "function-syntax" > Feeds::feed_stream_full< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > pmarks< / 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" > W< / 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 = "SP5" > < / a > < b > § 5. < / b > When done, we call < span class = "extract" > < span class = "extract-syntax" > Vocabulary::identify_word_range< / span > < / span > , because we are probably
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running long after the initial vocabulary identification phase of Inform.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Feeds::feed_text_full< / span > < button class = "popup" onclick = "togglePopup('usagePopup5')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup5" > Usage of < span class = "code-font" > < span class = "function-syntax" > Feeds::feed_text_full< / span > < / span > :< br / > < a href = "3-fds.html#SP4" > § 4< / a > < br / > Preform - < a href = "4-prf.html#SP29_1" > § 29.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > expand_strings< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > nonstandard< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > source_location< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > as_if_from_nowhere< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > as_if_from_nowhere< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > file_of_origin< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > as_if_from_nowhere< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > line_number< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < a href = "3-lxr.html#SP24" class = "function-link" > < span class = "function-syntax" > Lexer::feed_begins< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > as_if_from_nowhere< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > lexer_divide_strings_at_text_substitutions< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > expand_strings< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > lexer_allow_I6_escapes< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / 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" > nonstandard< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > lexer_punctuation_marks< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > nonstandard< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > lexer_allow_I6_escapes< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > lexer_punctuation_marks< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > STANDARD_PUNCTUATION_MARKS< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > =0; < / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ] != < / span > < span class = "constant-syntax" > 0< / 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" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > last_cr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > cr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > next_cr< / 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 = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > last_cr< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > -1]; < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > last_cr< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > EOF< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > cr< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > text< / 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" > cr< / span > < span class = "plain-syntax" > != < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > next_cr< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > +1]; < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > next_cr< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > EOF< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < a href = "3-lxr.html#SP25" class = "function-link" > < span class = "function-syntax" > Lexer::feed_triplet< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > last_cr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > cr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > next_cr< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LEXW< / span > < span class = "plain-syntax" > = < / span > < a href = "3-lxr.html#SP24" class = "function-link" > < span class = "function-syntax" > Lexer::feed_ends< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-vcb.html#SP4" class = "function-link" > < span class = "function-syntax" > Vocabulary::identify_word_range< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > LEXW< / 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" > LEXW< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Feeds::feed_stream_full< / span > < button class = "popup" onclick = "togglePopup('usagePopup6')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup6" > Usage of < span class = "code-font" > < span class = "function-syntax" > Feeds::feed_stream_full< / span > < / span > :< br / > < a href = "3-fds.html#SP4" > § 4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > expand_strings< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > nonstandard< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > source_location< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > as_if_from_nowhere< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > as_if_from_nowhere< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > file_of_origin< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > as_if_from_nowhere< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > line_number< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < a href = "3-lxr.html#SP24" class = "function-link" > < span class = "function-syntax" > Lexer::feed_begins< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > as_if_from_nowhere< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > lexer_divide_strings_at_text_substitutions< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > expand_strings< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > lexer_allow_I6_escapes< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / 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" > nonstandard< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > lexer_punctuation_marks< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > nonstandard< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > lexer_allow_I6_escapes< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > lexer_punctuation_marks< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > STANDARD_PUNCTUATION_MARKS< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > =0, < / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > =< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > ); < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > L< / 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" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > last_cr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > cr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > next_cr< / 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 = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > last_cr< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::get_at< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > -1); < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > last_cr< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > EOF< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > cr< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::get_at< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / 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" > cr< / span > < span class = "plain-syntax" > != < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > next_cr< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::get_at< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > +1); < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > next_cr< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > EOF< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < a href = "3-lxr.html#SP25" class = "function-link" > < span class = "function-syntax" > Lexer::feed_triplet< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > last_cr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > cr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > next_cr< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LEXW< / span > < span class = "plain-syntax" > = < / span > < a href = "3-lxr.html#SP24" class = "function-link" > < span class = "function-syntax" > Lexer::feed_ends< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-vcb.html#SP4" class = "function-link" > < span class = "function-syntax" > Vocabulary::identify_word_range< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > LEXW< / 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" > LEXW< / 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 = "SP6" > < / a > < b > § 6. < / b > The only other possible action is to splice:
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Feeds::feed_wording< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-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 = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "3-lxr.html#SP28" class = "function-link" > < span class = "function-syntax" > Lexer::splice_words< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< nav role = "progress" > < div class = "progresscontainer" >
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< ul class = "progressbar" > < li class = "progressprev" > < a href = "3-tff.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "P-wtmd.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-wm.html" > 1< / a > < / li > < li class = "progresschapter" > < a href = "2-vcb.html" > 2< / a > < / li > < li class = "progresscurrentchapter" > 3< / li > < li class = "progresssection" > < a href = "3-lxr.html" > lxr< / a > < / li > < li class = "progresssection" > < a href = "3-wrd.html" > wrd< / a > < / li > < li class = "progresssection" > < a href = "3-tff.html" > tff< / a > < / li > < li class = "progresscurrent" > fds< / li > < li class = "progresssection" > < a href = "3-idn.html" > idn< / a > < / li > < li class = "progresschapter" > < a href = "4-nw.html" > 4< / a > < / li > < li class = "progressnext" > < a href = "3-idn.html" > ❯ < / a > < / li > < / ul > < / div >
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< / nav > <!-- End of weave -->
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< / main >
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< / body >
< / html >