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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../intern.html" > Inter Modules< / a > < / li > < li > < a href = "index.html" > building< / a > < / li > < li > < a href = "index.html#2" > Chapter 2: Blueprints< / a > < / li > < li > < b > Identifier Finders< / b > < / li > < / ul > < / div >
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< p class = "purpose" > Suppose we have an identifier name, say BlkValueCreate, which we think refers to some symbol in an Inter tree. Where do we look for it?< / p >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. < / b > The answer must depend on context, so the question really has to be "with
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the conventions given by this < span class = "extract" > < span class = "extract-syntax" > identifier_finder< / span > < / span > , what < span class = "extract" > < span class = "extract-syntax" > inter_symbol< / span > < / span >
does this name correspond to?".
< / p >
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< pre class = "definitions code-font" > < span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > MAX_IDENTIFIER_PRIORITIES< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 3< / span >
< / pre >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > typedef< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > identifier_finder< / 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" > no_priorities< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inter_symbols_table< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > priorities< / span > < span class = "plain-syntax" > [< / span > < span class = "constant-syntax" > MAX_IDENTIFIER_PRIORITIES< / span > < span class = "plain-syntax" > ];< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > from_namespace< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > identifier_finder< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
< ul class = "endnotetexts" > < li > The structure identifier_finder is private to this section.< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > The most basic set of conventions only allows us to see names visible
everywhere:
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > identifier_finder< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > IdentifierFinders::common_names_only< / span > < 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" > identifier_finder< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > .< / span > < span class = "identifier-syntax" > no_priorities< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > .< / span > < span class = "identifier-syntax" > from_namespace< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. < / b > But we can add to that by providing up to three symbols tables to search
in preference order (first match wins):
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > IdentifierFinders::next_priority< / 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" > IdentifierFinders::next_priority< / span > < / span > :< br / > Emitting Inter Schemas - < a href = "2-eis.html#SP2_1_3" > § 2.1.3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > identifier_finder< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inter_symbols_table< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > where< / 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" > finder< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_priorities< / span > < span class = "plain-syntax" > > = < / span > < span class = "constant-syntax" > MAX_IDENTIFIER_PRIORITIES< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "too many identifier finder priorities"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > priorities< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_priorities< / span > < span class = "plain-syntax" > ++] = < / span > < span class = "identifier-syntax" > where< / 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 = "SP4" class = "paragraph-anchor" > < / a > < b > § 4. < / b > And we can similarly specify the namespace we're coming from:
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > IdentifierFinders::set_namespace< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > identifier_finder< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > namespace< / 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::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > namespace< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / 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::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > from_namespace< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "namespace twice"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > from_namespace< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::duplicate< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > namespace< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
< p class = "commentary firstcommentary" > < a id = "SP5" class = "paragraph-anchor" > < / a > < b > § 5. < / b > And here goes.
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > inter_symbol< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > IdentifierFinders::find< / 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" > IdentifierFinders::find< / span > < / span > :< br / > < a href = "2-if.html#SP6" > § 6< / a > < br / > Emitting Inter Schemas - < a href = "2-eis.html#SP2_1_3" > § 2.1.3< / a > , < a href = "2-eis.html#SP3_1_10_2" > § 3.1.10.2< / a > , < a href = "2-eis.html#SP3_1_11_1" > § 3.1.11.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > inter_tree< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > identifier_finder< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::get_at< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) == < / span > < span class = "constant-syntax" > 0x00A7< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "2-if.html#SP5_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Interpret this as an absolute URL< / span > < span class = "named-paragraph-number" > 5.1< / span > < / a > < / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span >
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< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "2-if.html#SP5_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Interpret this as an identifier< / span > < span class = "named-paragraph-number" > 5.2< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOG< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "Defeated on %S\n"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "unable to find identifier"< / 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" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP5_1" class = "paragraph-anchor" > < / a > < b > § 5.1. < / b > If the name begins with this magic character, we interpret it as an absolute
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URL within the tree — the conventions are then unimportant: either the symbol
exists where we said it is, or nothing is found. And in that case we will
halt with an internal error: so this must be done speculatively.
< / p >
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< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Interpret this as an absolute URL< / span > < span class = "named-paragraph-number" > 5.1< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > SR< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::copy< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > SR< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::delete_first_character< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > SR< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::delete_last_character< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > SR< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inter_symbol< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > InterSymbolsTable::URL_to_symbol< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > SR< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > SR< / 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" > S< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > ;< / span >
< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "2-if.html#SP5" > § 5< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP5_2" class = "paragraph-anchor" > < / a > < b > § 5.2. < / b > Here, though, if all attempts to find the identifier fail, we in effect
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force it to exist by creating a plug with this name, and then returning that.
So the above internal error cannot occur.
< / p >
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< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Interpret this as an identifier< / span > < span class = "named-paragraph-number" > 5.2< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > seek< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > name< / 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" > N< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > add_namespace< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > from_namespace< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > add_namespace< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< 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" > i< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > name< / 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_at< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > '`'< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > add_namespace< / 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" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > add_namespace< / 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" > N< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "%S`%S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > from_namespace< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > seek< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > N< / 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" > inter_symbol< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
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< 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" > = < / 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 = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > no_priorities< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > InterSymbolsTable::symbol_from_name< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > priorities< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ], < / span > < span class = "identifier-syntax" > seek< / 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" > S< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > goto< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Exit< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > = < / span > < a href = "1-ls.html#SP8" class = "function-link" > < span class = "function-syntax" > LargeScale::find_architectural_symbol< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > name< / 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" > S< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > goto< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Exit< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > InterSymbolsTable::symbol_from_name< / span > < span class = "plain-syntax" > (< / span > < a href = "1-ls.html#SP6" class = "function-link" > < span class = "function-syntax" > LargeScale::connectors_scope< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > seek< / 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" > S< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > goto< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Exit< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > InterSymbolsTable::symbol_from_name< / span > < span class = "plain-syntax" > (< / span > < a href = "1-ls.html#SP4" class = "function-link" > < span class = "function-syntax" > LargeScale::main_scope< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > goto< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Exit< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > add_namespace< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > = < / span > < a href = "1-in.html#SP9" class = "function-link" > < span class = "function-syntax" > InterNames::to_symbol< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "1-hl.html#SP21" class = "function-link" > < span class = "function-syntax" > HierarchyLocations::find_by_implied_name< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > from_namespace< / span > < span class = "plain-syntax" > ));< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > = < / span > < a href = "1-in.html#SP9" class = "function-link" > < span class = "function-syntax" > InterNames::to_symbol< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "1-hl.html#SP21" class = "function-link" > < span class = "function-syntax" > HierarchyLocations::find_by_name< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > seek< / span > < span class = "plain-syntax" > ));< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Exit:< / 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" > N< / 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" > S< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "2-if.html#SP5" > § 5< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP6" class = "paragraph-anchor" > < / a > < b > § 6. < / b > A small variation. Note that a token can be marked explicitly with an iname
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to which it corresponds; if it has been, then this overrides the finding process,
because the symbol which that iname incarnates as must be the right one.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "identifier-syntax" > inter_symbol< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > IdentifierFinders::find_token< / 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" > IdentifierFinders::find_token< / span > < / span > :< br / > Emitting Inter Schemas - < a href = "2-eis.html#SP3_1_2_1" > § 3.1.2.1< / a > , < a href = "2-eis.html#SP3_1_7_2" > § 3.1.7.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > inter_tree< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > inter_schema_token< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > t< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > identifier_finder< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > finder< / 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" > t< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > as_quoted< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "1-in.html#SP9" class = "function-link" > < span class = "function-syntax" > InterNames::to_symbol< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > t< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > as_quoted< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > #< / span > < span class = "identifier-syntax" > ifdef< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CORE_MODULE< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > local_variable< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > lvar< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > LocalVariables::by_identifier< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > t< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > material< / 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" > lvar< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LocalVariables::declare< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > lvar< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > #< / span > < span class = "identifier-syntax" > endif< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOGIF< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > INTER_CONNECTORS< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "Finding token %S from namespace '%S'\n"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > t< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > material< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > from_namespace< / 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-if.html#SP5" class = "function-link" > < span class = "function-syntax" > IdentifierFinders::find< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > t< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > material< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > finder< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< / pre >
< nav role = "progress" > < div class = "progresscontainer" >
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< ul class = "progressbar" > < li class = "progressprev" > < a href = "2-eis.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "P-wtmd.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-bm.html" > 1< / a > < / li > < li class = "progresscurrentchapter" > 2< / li > < li class = "progresssection" > < a href = "2-is.html" > is< / a > < / li > < li class = "progresssection" > < a href = "2-pis.html" > pis< / a > < / li > < li class = "progresssection" > < a href = "2-tkn.html" > tkn< / a > < / li > < li class = "progresssection" > < a href = "2-rmf.html" > rmf< / a > < / li > < li class = "progresssection" > < a href = "2-i6o.html" > i6o< / a > < / li > < li class = "progresssection" > < a href = "2-eis.html" > eis< / a > < / li > < li class = "progresscurrent" > if< / li > < li class = "progresssection" > < a href = "2-i6a.html" > i6a< / a > < / li > < li class = "progresssection" > < a href = "2-i6se.html" > i6se< / a > < / li > < li class = "progresschapter" > < a href = "3-prd.html" > 3< / a > < / li > < li class = "progressnext" > < a href = "2-i6a.html" > ❯ < / a > < / li > < / ul > < / div >
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< / nav > <!-- End of weave -->
< / main >
< / body >
< / html >