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< ul class = "crumbs" > < li > < a href = "../webs.html" > ★ < / a > < / li > < li > < a href = "index.html" > core< / a > < / li > < li > < a href = "index.html#27" > Chapter 27: Bridge to Inter Module< / a > < / li > < li > < b > Compilation Modules< / b > < / li > < / ul > < p class = "purpose" > To identify which parts of the source text come from which source (the main source text, the Standard Rules, or another extension).< / p >
< ul class = "toc" > < li > < a href = "#SP1" > § 1. Compilation modules< / a > < / li > < li > < a href = "#SP6" > § 6. Current module< / a > < / li > < li > < a href = "#SP7" > § 7. Relating to Inter< / a > < / li > < / ul > < hr class = "tocbar" >
< p class = "inwebparagraph" > < a id = "SP1" > < / a > < b > § 1. Compilation modules. < / b > Inform is a language in which it is semantically relevant which source file the
source text is coming from: unlike, say, C, where < code class = "display" > < span class = "extract" > #include< / span > < / code > allows files to include
each other in arbitrary ways. In Inform, all source text comes from one of the
following places:
< / p >
< p class = "inwebparagraph" > < / p >
< ul class = "items" > < li > (a) The main source text, as shown in the Source panel of the UI app;
< / li > < li > (b) An extension file, including the Standard Rules extension;
< / li > < li > (c) Invented text created by the compiler itself.
< / li > < / ul >
< p class = "inwebparagraph" > The Inter hierarchy also splits, with named modules representing each possibility
in (a) or (b) above. This section of code determines to which module any new
definition (of, say, a property or kind) belongs.
< / p >
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< pre class = "display" >
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< span class = "identifier" > compilation_module< / span > < span class = "plain" > *< / span > < span class = "identifier" > source_text_module< / span > < span class = "plain" > = < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ; < / span > < span class = "comment" > the one for the main text< / span >
< span class = "identifier" > compilation_module< / span > < span class = "plain" > *< / span > < span class = "identifier" > SR_module< / span > < span class = "plain" > = < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ; < / span > < span class = "comment" > the one for the Standard Rules< / span >
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< span class = "identifier" > compilation_module< / span > < span class = "plain" > *< / span > < span class = "functiontext" > Modules::SR< / span > < span class = "plain" > (< / span > < span class = "reserved" > void< / span > < span class = "plain" > ) {< / span >
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< span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > SR_module< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
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< / pre >
< p class = "inwebparagraph" > < / p >
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< p class = "endnote" > The function Modules::SR is used in 21/rl (< a href = "21-rl.html#SP26" > § 26< / a > ).< / p >
< p class = "inwebparagraph" > < a id = "SP2" > < / a > < b > § 2. < / b > We find these by performing a traverse of the parse tree, and looking for
level-0 headings, which are the nodes from which these blocks of source text hang:
< / p >
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< pre class = "display" >
< span class = "reserved" > void< / span > < span class = "plain" > < / span > < span class = "functiontext" > Modules::traverse_to_define< / span > < span class = "plain" > (< / span > < span class = "reserved" > void< / span > < span class = "plain" > ) {< / span >
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< span class = "identifier" > ParseTree::traverse< / span > < span class = "plain" > (< / span > < span class = "functiontext" > Task::syntax_tree< / span > < span class = "plain" > (), < / span > < span class = "functiontext" > Modules::look_for_cu< / span > < span class = "plain" > );< / span >
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< span class = "plain" > }< / span >
< span class = "reserved" > void< / span > < span class = "plain" > < / span > < span class = "functiontext" > Modules::look_for_cu< / span > < span class = "plain" > (< / span > < span class = "identifier" > parse_node< / span > < span class = "plain" > *< / span > < span class = "identifier" > p< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > ParseTree::get_type< / span > < span class = "plain" > (< / span > < span class = "identifier" > p< / span > < span class = "plain" > ) == < / span > < span class = "identifier" > HEADING_NT< / span > < span class = "plain" > ) {< / span >
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< span class = "identifier" > heading< / span > < span class = "plain" > *< / span > < span class = "identifier" > h< / span > < span class = "plain" > = < / span > < span class = "identifier" > InbuildModule::heading< / span > < span class = "plain" > (< / span > < span class = "identifier" > p< / span > < span class = "plain" > );< / span >
< span class = "reserved" > if< / span > < span class = "plain" > ((< / span > < span class = "identifier" > h< / span > < span class = "plain" > ) & & (< / span > < span class = "identifier" > h< / span > < span class = "plain" > -> < / span > < span class = "identifier" > level< / span > < span class = "plain" > == 0)) < / span > < span class = "functiontext" > Modules::new< / span > < span class = "plain" > (< / span > < span class = "identifier" > p< / span > < span class = "plain" > );< / span >
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< span class = "plain" > }< / span >
< span class = "plain" > }< / span >
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< span class = "identifier" > compilation_module< / span > < span class = "plain" > *< / span > < span class = "functiontext" > Modules::new< / span > < span class = "plain" > (< / span > < span class = "identifier" > parse_node< / span > < span class = "plain" > *< / span > < span class = "identifier" > from< / span > < span class = "plain" > ) {< / span >
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< span class = "identifier" > source_location< / span > < span class = "plain" > < / span > < span class = "identifier" > sl< / span > < span class = "plain" > = < / span > < span class = "identifier" > Wordings::location< / span > < span class = "plain" > (< / span > < span class = "identifier" > ParseTree::get_text< / span > < span class = "plain" > (< / span > < span class = "identifier" > from< / span > < span class = "plain" > ));< / span >
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< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > sl< / span > < span class = "plain" > .< / span > < span class = "identifier" > file_of_origin< / span > < span class = "plain" > == < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ) < / span > < span class = "identifier" > internal_error< / span > < span class = "plain" > (< / span > < span class = "string" > "null foo"< / span > < span class = "plain" > );< / span >
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< span class = "identifier" > inform_extension< / span > < span class = "plain" > *< / span > < span class = "identifier" > owner< / span > < span class = "plain" > = < / span > < span class = "identifier" > Extensions::corresponding_to< / span > < span class = "plain" > (< / span >
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< span class = "identifier" > Lexer::file_of_origin< / span > < span class = "plain" > (< / span > < span class = "identifier" > Wordings::first_wn< / span > < span class = "plain" > (< / span > < span class = "identifier" > ParseTree::get_text< / span > < span class = "plain" > (< / span > < span class = "identifier" > from< / span > < span class = "plain" > ))));< / span >
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< span class = "identifier" > compilation_module< / span > < span class = "plain" > *< / span > < span class = "identifier" > C< / span > < span class = "plain" > = < / span > < span class = "identifier" > Packaging::new_cm< / span > < span class = "plain" > ();< / span >
< span class = "identifier" > C< / span > < span class = "plain" > -> < / span > < span class = "identifier" > hanging_from< / span > < span class = "plain" > = < / span > < span class = "identifier" > from< / span > < span class = "plain" > ;< / span >
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< span class = "identifier" > ParseTree::set_module< / span > < span class = "plain" > (< / span > < span class = "identifier" > from< / span > < span class = "plain" > , < / span > < span class = "identifier" > C< / span > < span class = "plain" > );< / span >
< span class = "functiontext" > Modules::propagate_downwards< / span > < span class = "plain" > (< / span > < span class = "identifier" > from< / span > < span class = "plain" > -< / span > < span class = "element" > > down< / span > < span class = "plain" > , < / span > < span class = "identifier" > C< / span > < span class = "plain" > );< / span >
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< span class = "identifier" > TEMPORARY_TEXT< / span > < span class = "plain" > (< / span > < span class = "identifier" > pname< / span > < span class = "plain" > );< / span >
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< < span class = "cwebmacro" > Compose a name for the module package this will lead to< / span > < span class = "cwebmacronumber" > 2.1< / span > > < span class = "plain" > ;< / span >
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< span class = "identifier" > C< / span > < span class = "plain" > -> < / span > < span class = "identifier" > inter_presence< / span > < span class = "plain" > = < / span > < span class = "identifier" > Packaging::get_module< / span > < span class = "plain" > (< / span > < span class = "functiontext" > Emit::tree< / span > < span class = "plain" > (), < / span > < span class = "identifier" > pname< / span > < span class = "plain" > );< / span >
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< span class = "identifier" > DISCARD_TEXT< / span > < span class = "plain" > (< / span > < span class = "identifier" > pname< / span > < span class = "plain" > );< / span >
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< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > owner< / span > < span class = "plain" > ) {< / span >
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< span class = "functiontext" > Hierarchy::markup< / span > < span class = "plain" > (< / span > < span class = "identifier" > C< / span > < span class = "plain" > -> < / span > < span class = "identifier" > inter_presence< / span > < span class = "plain" > -> < / span > < span class = "identifier" > the_package< / span > < span class = "plain" > , < / span > < span class = "constant" > EXT_AUTHOR_HMD< / span > < span class = "plain" > , < / span > < span class = "identifier" > owner< / span > < span class = "plain" > -> < / span > < span class = "identifier" > as_copy< / span > < span class = "plain" > -> < / span > < span class = "identifier" > edition< / span > < span class = "plain" > -> < / span > < span class = "identifier" > work< / span > < span class = "plain" > -> < / span > < span class = "identifier" > raw_author_name< / span > < span class = "plain" > );< / span >
< span class = "functiontext" > Hierarchy::markup< / span > < span class = "plain" > (< / span > < span class = "identifier" > C< / span > < span class = "plain" > -> < / span > < span class = "identifier" > inter_presence< / span > < span class = "plain" > -> < / span > < span class = "identifier" > the_package< / span > < span class = "plain" > , < / span > < span class = "constant" > EXT_TITLE_HMD< / span > < span class = "plain" > , < / span > < span class = "identifier" > owner< / span > < span class = "plain" > -> < / span > < span class = "identifier" > as_copy< / span > < span class = "plain" > -> < / span > < span class = "identifier" > edition< / span > < span class = "plain" > -> < / span > < span class = "identifier" > work< / span > < span class = "plain" > -> < / span > < span class = "identifier" > raw_title< / span > < span class = "plain" > );< / span >
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< span class = "identifier" > TEMPORARY_TEXT< / span > < span class = "plain" > (< / span > < span class = "identifier" > V< / span > < span class = "plain" > );< / span >
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< span class = "identifier" > semantic_version_number< / span > < span class = "plain" > < / span > < span class = "identifier" > N< / span > < span class = "plain" > = < / span > < span class = "identifier" > owner< / span > < span class = "plain" > -> < / span > < span class = "identifier" > as_copy< / span > < span class = "plain" > -> < / span > < span class = "identifier" > edition< / span > < span class = "plain" > -> < / span > < span class = "identifier" > version< / span > < span class = "plain" > ;< / span >
< span class = "identifier" > WRITE_TO< / span > < span class = "plain" > (< / span > < span class = "identifier" > V< / span > < span class = "plain" > , < / span > < span class = "string" > "%v"< / span > < span class = "plain" > , & < / span > < span class = "identifier" > N< / span > < span class = "plain" > );< / span >
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< span class = "functiontext" > Hierarchy::markup< / span > < span class = "plain" > (< / span > < span class = "identifier" > C< / span > < span class = "plain" > -> < / span > < span class = "identifier" > inter_presence< / span > < span class = "plain" > -> < / span > < span class = "identifier" > the_package< / span > < span class = "plain" > , < / span > < span class = "constant" > EXT_VERSION_HMD< / span > < span class = "plain" > , < / span > < span class = "identifier" > V< / span > < span class = "plain" > );< / span >
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< span class = "identifier" > DISCARD_TEXT< / span > < span class = "plain" > (< / span > < span class = "identifier" > V< / span > < span class = "plain" > );< / span >
< span class = "plain" > }< / span >
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< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > Extensions::is_standard< / span > < span class = "plain" > (< / span > < span class = "identifier" > owner< / span > < span class = "plain" > )) < / span > < span class = "identifier" > SR_module< / span > < span class = "plain" > = < / span > < span class = "identifier" > C< / span > < span class = "plain" > ;< / span >
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< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > owner< / span > < span class = "plain" > == < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ) < / span > < span class = "identifier" > source_text_module< / span > < span class = "plain" > = < / span > < span class = "identifier" > C< / span > < span class = "plain" > ;< / span >
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< span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > C< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< / pre >
< p class = "inwebparagraph" > < / p >
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< p class = "endnote" > The function Modules::traverse_to_define is used in 1/htc (< a href = "1-htc.html#SP2_3" > § 2.3< / a > ).< / p >
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< p class = "endnote" > The function Modules::look_for_cu appears nowhere else.< / p >
< p class = "endnote" > The function Modules::new appears nowhere else.< / p >
< p class = "inwebparagraph" > < a id = "SP2_1" > < / a > < b > § 2.1. < / b > Here we must find a unique name, valid as an Inter identifier: the code
compiled from the compilation module will go into a package of that name.
< / p >
< p class = "macrodefinition" > < code class = "display" >
< < span class = "cwebmacrodefn" > Compose a name for the module package this will lead to< / span > < span class = "cwebmacronumber" > 2.1< / span > > =
< / code > < / p >
< pre class = "displaydefn" >
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< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > Extensions::is_standard< / span > < span class = "plain" > (< / span > < span class = "identifier" > owner< / span > < span class = "plain" > )) < / span > < span class = "identifier" > WRITE_TO< / span > < span class = "plain" > (< / span > < span class = "identifier" > pname< / span > < span class = "plain" > , < / span > < span class = "string" > "standard_rules"< / span > < span class = "plain" > );< / span >
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< span class = "reserved" > else< / span > < span class = "plain" > < / span > < span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > owner< / span > < span class = "plain" > == < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ) < / span > < span class = "identifier" > WRITE_TO< / span > < span class = "plain" > (< / span > < span class = "identifier" > pname< / span > < span class = "plain" > , < / span > < span class = "string" > "source_text"< / span > < span class = "plain" > );< / span >
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< span class = "reserved" > else< / span > < span class = "plain" > {< / span >
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< span class = "identifier" > WRITE_TO< / span > < span class = "plain" > (< / span > < span class = "identifier" > pname< / span > < span class = "plain" > , < / span > < span class = "string" > "%X"< / span > < span class = "plain" > , < / span > < span class = "identifier" > owner< / span > < span class = "plain" > -> < / span > < span class = "identifier" > as_copy< / span > < span class = "plain" > -> < / span > < span class = "identifier" > edition< / span > < span class = "plain" > -> < / span > < span class = "identifier" > work< / span > < span class = "plain" > );< / span >
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< span class = "identifier" > LOOP_THROUGH_TEXT< / span > < span class = "plain" > (< / span > < span class = "identifier" > pos< / span > < span class = "plain" > , < / span > < span class = "identifier" > pname< / span > < span class = "plain" > )< / span >
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< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > Str::get< / span > < span class = "plain" > (< / span > < span class = "identifier" > pos< / span > < span class = "plain" > ) == < / span > < span class = "character" > ' '< / span > < span class = "plain" > )< / span >
< span class = "identifier" > Str::put< / span > < span class = "plain" > (< / span > < span class = "identifier" > pos< / span > < span class = "plain" > , < / span > < span class = "character" > '_'< / span > < span class = "plain" > );< / span >
< span class = "reserved" > else< / span >
< span class = "identifier" > Str::put< / span > < span class = "plain" > (< / span > < span class = "identifier" > pos< / span > < span class = "plain" > , < / span > < span class = "identifier" > Characters::tolower< / span > < span class = "plain" > (< / span > < span class = "identifier" > Str::get< / span > < span class = "plain" > (< / span > < span class = "identifier" > pos< / span > < span class = "plain" > )));< / span >
< span class = "plain" > }< / span >
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< / pre >
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< p class = "inwebparagraph" > < / p >
< p class = "endnote" > This code is used in < a href = "#SP2" > § 2< / a > .< / p >
< p class = "inwebparagraph" > < a id = "SP3" > < / a > < b > § 3. < / b > We are eventually going to need to be able to look at a given node in the parse
tree and say which compilation module it belongs to. If there were a fast way
to go up in the tree, that would be easy — we could simply run upward until we
reach a level-0 heading. But the node links all run downwards. Instead, we'll
"mark" nodes in the tree, annotating them with the compilation module which owns
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them. This is done by "propagating downwards", as follows.
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< / p >
< p class = "inwebparagraph" > < a id = "SP4" > < / a > < b > § 4. < / b > < / p >
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< pre class = "display" >
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< span class = "reserved" > void< / span > < span class = "plain" > < / span > < span class = "functiontext" > Modules::propagate_downwards< / span > < span class = "plain" > (< / span > < span class = "identifier" > parse_node< / span > < span class = "plain" > *< / span > < span class = "identifier" > P< / span > < span class = "plain" > , < / span > < span class = "identifier" > compilation_module< / span > < span class = "plain" > *< / span > < span class = "identifier" > C< / span > < span class = "plain" > ) {< / span >
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< span class = "reserved" > while< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > ) {< / span >
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< span class = "identifier" > ParseTree::set_module< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > , < / span > < span class = "identifier" > C< / span > < span class = "plain" > );< / span >
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< span class = "functiontext" > Modules::propagate_downwards< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > -< / span > < span class = "element" > > down< / span > < span class = "plain" > , < / span > < span class = "identifier" > C< / span > < span class = "plain" > );< / span >
< span class = "identifier" > P< / span > < span class = "plain" > = < / span > < span class = "identifier" > P< / span > < span class = "plain" > -< / span > < span class = "element" > > next< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< span class = "plain" > }< / span >
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< / pre >
< p class = "inwebparagraph" > < / p >
< p class = "endnote" > The function Modules::propagate_downwards is used in < a href = "#SP2" > § 2< / a > .< / p >
< p class = "inwebparagraph" > < a id = "SP5" > < / a > < b > § 5. < / b > As promised, then, given a parse node, we have to return its compilation module:
but that's now easy, as we just have to read off the annotation made above —
< / p >
< pre class = "display" >
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< span class = "identifier" > compilation_module< / span > < span class = "plain" > *< / span > < span class = "functiontext" > Modules::find< / span > < span class = "plain" > (< / span > < span class = "identifier" > parse_node< / span > < span class = "plain" > *< / span > < span class = "identifier" > from< / span > < span class = "plain" > ) {< / span >
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< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > from< / span > < span class = "plain" > == < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ) < / span > < span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ;< / span >
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< span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > ParseTree::get_module< / span > < span class = "plain" > (< / span > < span class = "identifier" > from< / span > < span class = "plain" > );< / span >
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< span class = "plain" > }< / span >
< / pre >
< p class = "inwebparagraph" > < / p >
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< p class = "endnote" > The function Modules::find is used in < a href = "#SP6" > § 6< / a > , 5/nv (< a href = "5-nv.html#SP16" > § 16< / a > ), 6/bp (< a href = "6-bp.html#SP31" > § 31< / a > ), 15/pr (< a href = "15-pr.html#SP5_3" > § 5.3< / a > ), 19/tb (< a href = "19-tb.html#SP9" > § 9< / a > ), 21/rl (< a href = "21-rl.html#SP26" > § 26< / a > ), 22/ph (< a href = "22-ph.html#SP6_8" > § 6.8< / a > ), 22/tp (< a href = "22-tp.html#SP7" > § 7< / a > ), 27/hr (< a href = "27-hr.html#SP4" > § 4< / a > ).< / p >
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< p class = "inwebparagraph" > < a id = "SP6" > < / a > < b > § 6. Current module. < / b > Inform has a concept of the "current module" it's working on, much as it has
a concept of "current sentence".
< / p >
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< pre class = "display" >
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< span class = "identifier" > compilation_module< / span > < span class = "plain" > *< / span > < span class = "identifier" > current_CM< / span > < span class = "plain" > = < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ;< / span >
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< span class = "identifier" > compilation_module< / span > < span class = "plain" > *< / span > < span class = "functiontext" > Modules::current< / span > < span class = "plain" > (< / span > < span class = "reserved" > void< / span > < span class = "plain" > ) {< / span >
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< span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > current_CM< / span > < span class = "plain" > ;< / span >
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< span class = "plain" > }< / span >
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< span class = "reserved" > void< / span > < span class = "plain" > < / span > < span class = "functiontext" > Modules::set_current_to< / span > < span class = "plain" > (< / span > < span class = "identifier" > compilation_module< / span > < span class = "plain" > *< / span > < span class = "identifier" > CM< / span > < span class = "plain" > ) {< / span >
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< span class = "identifier" > current_CM< / span > < span class = "plain" > = < / span > < span class = "identifier" > CM< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< span class = "reserved" > void< / span > < span class = "plain" > < / span > < span class = "functiontext" > Modules::set_current< / span > < span class = "plain" > (< / span > < span class = "identifier" > parse_node< / span > < span class = "plain" > *< / span > < span class = "identifier" > P< / span > < span class = "plain" > ) {< / span >
< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > ) < / span > < span class = "identifier" > current_CM< / span > < span class = "plain" > = < / span > < span class = "functiontext" > Modules::find< / span > < span class = "plain" > (< / span > < span class = "identifier" > P< / span > < span class = "plain" > );< / span >
< span class = "reserved" > else< / span > < span class = "plain" > < / span > < span class = "identifier" > current_CM< / span > < span class = "plain" > = < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ;< / span >
< span class = "plain" > }< / span >
< / pre >
< p class = "inwebparagraph" > < / p >
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< p class = "endnote" > The function Modules::current is used in 9/tfa (< a href = "9-tfa.html#SP7_2" > § 7.2< / a > ), 15/ma (< a href = "15-ma.html#SP11_3" > § 11.3< / a > ), 17/ts (< a href = "17-ts.html#SP5" > § 5< / a > , < a href = "17-ts.html#SP11_1" > § 11.1< / a > ), 22/tp (< a href = "22-tp.html#SP7" > § 7< / a > ), 23/ad (< a href = "23-ad.html#SP5" > § 5< / a > ), 26/jl (< a href = "26-jl.html#SP4" > § 4< / a > ).< / p >
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< p class = "endnote" > The function Modules::set_current_to is used in 9/tfa (< a href = "9-tfa.html#SP7_2" > § 7.2< / a > ), 17/ts (< a href = "17-ts.html#SP11_1" > § 11.1< / a > ), 23/ad (< a href = "23-ad.html#SP5" > § 5< / a > ).< / p >
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< p class = "endnote" > The function Modules::set_current is used in 9/tfa (< a href = "9-tfa.html#SP7_2" > § 7.2< / a > ), 23/ad (< a href = "23-ad.html#SP5" > § 5< / a > ), 25/cp (< a href = "25-cp.html#SP3" > § 3< / a > ).< / p >
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< p class = "inwebparagraph" > < a id = "SP7" > < / a > < b > § 7. Relating to Inter. < / b > Creating the necessary package, of type < code class = "display" > < span class = "extract" > _module< / span > < / code > , is the work of the
Packaging code.
< / p >
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< pre class = "display" >
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< span class = "identifier" > module_package< / span > < span class = "plain" > *< / span > < span class = "functiontext" > Modules::inter_presence< / span > < span class = "plain" > (< / span > < span class = "identifier" > compilation_module< / span > < span class = "plain" > *< / span > < span class = "identifier" > C< / span > < span class = "plain" > ) {< / span >
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< span class = "reserved" > if< / span > < span class = "plain" > (< / span > < span class = "identifier" > C< / span > < span class = "plain" > == < / span > < span class = "identifier" > NULL< / span > < span class = "plain" > ) < / span > < span class = "identifier" > internal_error< / span > < span class = "plain" > (< / span > < span class = "string" > "no module"< / span > < span class = "plain" > );< / span >
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< span class = "reserved" > return< / span > < span class = "plain" > < / span > < span class = "identifier" > C< / span > < span class = "plain" > -> < / span > < span class = "identifier" > inter_presence< / span > < span class = "plain" > ;< / span >
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< span class = "plain" > }< / span >
< / pre >
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< p class = "inwebparagraph" > < / p >
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< p class = "endnote" > The function Modules::inter_presence appears nowhere else.< / p >
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< hr class = "tocbar" >
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< ul class = "toc" > < li > < a href = "27-hr.html" > Back to 'Hierarchy'< / a > < / li > < li > < a href = "27-ei.html" > Continue with 'Emitting Inter'< / a > < / li > < / ul > < hr class = "tocbar" >
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<!-- End of weave -->
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< / body >
< / html >
