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<!-- Weave of 'Equations' generated by Inweb -->
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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../inform7n.html" > Inform7< / a > < / li > < li > < a href = "index.html" > runtime< / a > < / li > < li > < a href = "index.html#5" > Chapter 5: Provision Submodules< / a > < / li > < li > < b > Equations< / b > < / li > < / ul > < / div >
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< p class = "purpose" > To compile the equations submodule for a compilation unit, which contains _equation packages.< / p >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. < / b > Each equation has a distinct runtime identifier, which in fact is a stub
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function returning < span class = "extract" > < span class = "extract-syntax" > false< / span > < / span > ; but because these functions are all different,
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they provide values different from each other and from all other functions.
< / p >
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< p class = "commentary" > There is otherwise nothing to see except metadata used in indexing. Equations
are solved using inline code, not here; see < a href = "../imperative-module/5-cste.html" class = "internal" > Compile Solutions to Equations (in imperative)< / a > .
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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" > typedef< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > equation_compilation_data< / 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" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > eqn_created_at< / 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" > package_request< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > eqn_package< / 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_name< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > eqn_iname< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > equation_compilation_data< / span > < span class = "plain-syntax" > ;< / span >
< span class = "reserved-syntax" > equation_compilation_data< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > RTEquations::new_compilation_data< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > equation< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > eqn< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > equation_compilation_data< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ecd< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ecd< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > eqn_created_at< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ecd< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > eqn_package< / 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" > ecd< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > eqn_iname< / 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" > ecd< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "identifier-syntax" > package_request< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > RTEquations::package< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > equation< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > eqn< / 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" > eqn< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > compilation_data< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > eqn_package< / 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" > eqn< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > compilation_data< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > eqn_package< / span > < span class = "plain-syntax" > =< / span >
< span class = "plain-syntax" > < / span > < a href = "2-hrr.html#SP19" class = "function-link" > < span class = "function-syntax" > Hierarchy::local_package_to< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > EQUATIONS_HAP< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > eqn< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > compilation_data< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > eqn_created_at< / 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" > eqn< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > compilation_data< / span > < span class = "plain-syntax" > .< / span > < span class = "identifier-syntax" > eqn_package< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "identifier-syntax" > inter_name< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > RTEquations::identifier< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > equation< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > eqn< / 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" > eqn< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > compilation_data< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > eqn_iname< / 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" > eqn< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > compilation_data< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > eqn_iname< / span > < span class = "plain-syntax" > =< / span >
< span class = "plain-syntax" > < / span > < a href = "2-hrr.html#SP12" class = "function-link" > < span class = "function-syntax" > Hierarchy::make_iname_in< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > IDENTIFIER_FN_HL< / span > < span class = "plain-syntax" > , < / span > < a href = "5-eqt.html#SP1" class = "function-link" > < span class = "function-syntax" > RTEquations::package< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > eqn< / 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" > eqn< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > compilation_data< / span > < span class = "plain-syntax" > .< / span > < span class = "identifier-syntax" > eqn_iname< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > RTEquations::compile< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > equation< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > eqn< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > eqn< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > equation< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > packaging_state< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > save< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Functions::begin< / span > < span class = "plain-syntax" > (< / span > < a href = "5-eqt.html#SP1" class = "function-link" > < span class = "function-syntax" > RTEquations::identifier< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > eqn< / span > < span class = "plain-syntax" > ));< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-ec.html#SP15" class = "function-link" > < span class = "function-syntax" > EmitCode::rfalse< / span > < / a > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Functions::end< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > save< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > package_request< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > pack< / span > < span class = "plain-syntax" > = < / span > < a href = "5-eqt.html#SP1" class = "function-link" > < span class = "function-syntax" > RTEquations::package< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > eqn< / 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" > mw< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Wordings::last_wn< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > eqn< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > equation_no_text< / 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" > Wordings::last_wn< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > eqn< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > equation_name_text< / span > < span class = "plain-syntax" > ) > < / span > < span class = "identifier-syntax" > mw< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > mw< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Wordings::last_wn< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > eqn< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > equation_name_text< / 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" > mw< / span > < span class = "plain-syntax" > > = < / span > < span class = "constant-syntax" > 0< / 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" > NW< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Wordings::up_to< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Node::get_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > eqn< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > equation_created_at< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > mw< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-hrr.html#SP23" class = "function-link" > < span class = "function-syntax" > Hierarchy::apply_metadata_from_raw_wording< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pack< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > EQUATION_NAME_MD_HL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NW< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-hrr.html#SP23" class = "function-link" > < span class = "function-syntax" > Hierarchy::apply_metadata_from_number< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pack< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > EQUATION_AT_MD_HL< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > inter_ti< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > Wordings::first_wn< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > NW< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < a href = "2-hrr.html#SP23" class = "function-link" > < span class = "function-syntax" > Hierarchy::apply_metadata_from_raw_wording< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pack< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > EQUATION_TEXT_MD_HL< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > eqn< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > equation_text< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< ul class = "endnotetexts" > < li > The structure equation_compilation_data is private to this section.< / li > < / ul >
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< nav role = "progress" > < div class = "progresscontainer" >
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2021-02-07 14:44:02 +02:00
< / nav > <!-- End of weave -->
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