2021-03-26 01:20:37 +02:00
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
< html >
< head >
< title > Imperative Definitions< / title >
< link href = "../docs-assets/Breadcrumbs.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< meta name = "viewport" content = "width=device-width initial-scale=1" >
< meta http-equiv = "Content-Type" content = "text/html; charset=utf-8" >
< meta http-equiv = "Content-Language" content = "en-gb" >
< link href = "../docs-assets/Contents.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< link href = "../docs-assets/Progress.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< link href = "../docs-assets/Navigation.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< link href = "../docs-assets/Fonts.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< link href = "../docs-assets/Base.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< script >
function togglePopup(material_id) {
var popup = document.getElementById(material_id);
popup.classList.toggle("show");
}
< / script >
< link href = "../docs-assets/Popups.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< link href = "../docs-assets/Colours.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
2021-03-28 13:47:28 +03:00
< link href = "../docs-assets/Preform-Colours.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
2021-03-26 01:20:37 +02:00
< / head >
< body class = "commentary-font" >
< nav role = "navigation" >
< h1 > < a href = "../index.html" >
< img src = "../docs-assets/Inform.png" height = 72" >
< / a > < / h1 >
< ul > < li > < a href = "../compiler.html" > compiler tools< / a > < / li >
< li > < a href = "../other.html" > other tools< / a > < / li >
< li > < a href = "../extensions.html" > extensions and kits< / a > < / li >
< li > < a href = "../units.html" > unit test tools< / a > < / li >
< / ul > < h2 > Compiler Webs< / h2 > < ul >
< li > < a href = "../inbuild/index.html" > inbuild< / a > < / li >
< li > < a href = "../inform7/index.html" > inform7< / a > < / li >
< li > < a href = "../inter/index.html" > inter< / a > < / li >
< / ul > < h2 > Inbuild Modules< / h2 > < ul >
< li > < a href = "../supervisor-module/index.html" > supervisor< / a > < / li >
< / ul > < h2 > Inform7 Modules< / h2 > < ul >
< li > < a href = "../core-module/index.html" > core< / a > < / li >
< li > < a href = "index.html" > < span class = "selectedlink" > assertions< / span > < / a > < / li >
< li > < a href = "../values-module/index.html" > values< / a > < / li >
< li > < a href = "../knowledge-module/index.html" > knowledge< / a > < / li >
< li > < a href = "../imperative-module/index.html" > imperative< / a > < / li >
< li > < a href = "../runtime-module/index.html" > runtime< / a > < / li >
< li > < a href = "../if-module/index.html" > if< / a > < / li >
< li > < a href = "../multimedia-module/index.html" > multimedia< / a > < / li >
< li > < a href = "../index-module/index.html" > index< / a > < / li >
< / ul > < h2 > Inter Modules< / h2 > < ul >
< li > < a href = "../bytecode-module/index.html" > bytecode< / a > < / li >
< li > < a href = "../building-module/index.html" > building< / a > < / li >
< li > < a href = "../codegen-module/index.html" > codegen< / a > < / li >
< / ul > < h2 > Services< / h2 > < ul >
< li > < a href = "../arch-module/index.html" > arch< / a > < / li >
< li > < a href = "../calculus-module/index.html" > calculus< / a > < / li >
< li > < a href = "../html-module/index.html" > html< / a > < / li >
< li > < a href = "../inflections-module/index.html" > inflections< / a > < / li >
< li > < a href = "../kinds-module/index.html" > kinds< / a > < / li >
< li > < a href = "../linguistics-module/index.html" > linguistics< / a > < / li >
< li > < a href = "../problems-module/index.html" > problems< / a > < / li >
< li > < a href = "../syntax-module/index.html" > syntax< / a > < / li >
< li > < a href = "../words-module/index.html" > words< / a > < / li >
< li > < a href = "../../../inweb/docs/foundation-module/index.html" > foundation< / a > < / li >
< / ul >
< / nav >
< main role = "main" >
<!-- Weave of 'Imperative Definitions' generated by Inweb -->
< div class = "breadcrumbs" >
< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../compiler.html" > Inform7< / a > < / li > < li > < a href = "index.html" > assertions< / a > < / li > < li > < a href = "index.html#5" > Chapter 5: Imperative Code< / a > < / li > < li > < b > Imperative Definitions< / b > < / li > < / ul > < / div >
2021-03-27 01:03:25 +02:00
< p class = "purpose" > Each IMPERATIVE node in the syntax tree makes a definition using imperative code.< / p >
2021-03-26 01:20:37 +02:00
2021-03-28 13:47:28 +03:00
< ul class = "toc" > < li > < a href = "5-id.html#SP1" > § 1. The head< / a > < / li > < li > < a href = "5-id.html#SP7" > § 7. The body< / a > < / li > < / ul > < hr class = "tocbar" >
< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. The head. < / b > Inform has several features — most obviously rules and "To ..." phrases —
2021-03-27 01:03:25 +02:00
where something is created with top-level syntax with a shape like so:
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > Some< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > preamble< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ending< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > in< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > a< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > colon< / span > < span class = "plain-syntax" > :< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > a< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > body< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > of< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > instructions< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > like< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > so< / span > < span class = "plain-syntax" > ;< / span >
< / pre >
< p class = "commentary" > These are called "imperative definitions", and each one in the source text
is given its own < a href = "5-id.html#SP1" class = "internal" > imperative_defn< / a > : see < a href = "5-id.html#SP2" class = "internal" > ImperativeDefinitions::new< / a > below.
< / p >
2021-03-26 17:04:34 +02:00
2021-03-27 01:03:25 +02:00
< p class = "commentary" > The body has to be a standard chunk of Inform 7 code, which, roughly speaking,
is in the same format whatever is being defined here. This in due course becomes
its < span class = "extract" > < span class = "extract-syntax" > body_of_defn< / span > < / span > . But the preamble text can be very varied, and no syntactic
marker tells us directly what sort of language feature is being defined.
< / p >
< p class = "commentary" > To deal with this, each such language feature has its own < a href = "5-idf.html#SP2" class = "internal" > imperative_defn_family< / a > ;
and every < a href = "5-id.html#SP1" class = "internal" > imperative_defn< / a > belongs to just one family. So, for example, a
definition makes a "To..." phrase if its family is the one looked after by
< a href = "5-tpf.html" class = "internal" > To Phrase Family< / a > .
2021-03-26 01:20:37 +02:00
< / p >
< 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" > imperative_defn< / span > < span class = "plain-syntax" > {< / span >
2021-03-27 01:03:25 +02:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > family< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > what manner of thing is defined< / span >
2021-03-26 01:20:37 +02:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > general_pointer< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > family_specific_data< / span > < span class = "plain-syntax" > ;< / span >
2021-03-27 01:03:25 +02:00
< 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" > at< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > where this occurs in the syntax tree< / span >
2021-03-28 13:47:28 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > phrase< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > body_of_defn< / span > < span class = "plain-syntax" > ;< / span >
2021-03-26 17:04:34 +02:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > log_text< / span > < span class = "plain-syntax" > ;< / span >
2021-03-26 01:20:37 +02:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CLASS_DEFINITION< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > ;< / span >
< / pre >
2021-03-27 01:03:25 +02:00
< ul class = "endnotetexts" > < li > The structure imperative_defn is accessed in 5/idf, 5/adf, 5/tpf, 5/rf, 7/tap, 7/tcp, 7/aa, 7/am and here.< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > This creator function is called on each < span class = "extract" > < span class = "extract-syntax" > IMPERATIVE_NT< / span > < / span > node in the syntax
tree, which is to say, at each place where the punctuation looks like the
shape shown above.
2021-03-26 01:20:37 +02:00
< / p >
2021-03-27 01:03:25 +02:00
< p class = "commentary" > At this point, < span class = "extract" > < span class = "extract-syntax" > p< / span > < / span > has a number of < span class = "extract" > < span class = "extract-syntax" > INVOCATION_LIST_NT< / span > < / span > nodes hanging from it,
and those have been checked through for any early signs of trouble (see < a href = "2-is.html" class = "internal" > Imperative Subtrees< / a > ).
But nobody has looked at the preamble text at all, and our first task is to
find out which family the definition belongs to, on the basis of that text.
2021-03-26 17:04:34 +02:00
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
2021-03-27 01:03:25 +02:00
< span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > ImperativeDefinitions::new< / 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" > ImperativeDefinitions::new< / span > < / span > :< br / > Imperative Subtrees - < a href = "2-is.html#SP1" > § 1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > at< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > body_of_defn< / 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" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family< / 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" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family_specific_data< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL_GENERAL_POINTER< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > log_text< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Node::get_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < a href = "5-idf.html#SP3" class = "function-link" > < span class = "function-syntax" > ImperativeDefinitionFamilies::identify< / span > < / a > < 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 > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ;< / span >
2021-03-26 17:04:34 +02:00
< span class = "plain-syntax" > }< / span >
< / pre >
2021-03-27 01:03:25 +02:00
< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. < / b > In our compiled code, it's useful to label functions with Inter comments:
2021-03-26 01:20:37 +02:00
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
2021-03-27 01:03:25 +02:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitions::write_comment_describing< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > C< / 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" > C< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "%~W:"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > log_text< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::comment< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > C< / 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" > C< / span > < span class = "plain-syntax" > )< / span >
2021-03-26 01:20:37 +02:00
< span class = "plain-syntax" > }< / span >
< / pre >
2021-03-27 01:03:25 +02:00
< p class = "commentary firstcommentary" > < a id = "SP4" class = "paragraph-anchor" > < / a > < b > § 4. < / b > And similarly:
2021-03-26 17:04:34 +02:00
< / p >
2021-03-26 01:20:37 +02:00
< pre class = "displayed-code all-displayed-code code-font" >
2021-03-27 01:03:25 +02:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitions::index_preamble< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "%+W"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > log_text< / span > < span class = "plain-syntax" > );< / span >
2021-03-26 01:20:37 +02:00
< span class = "plain-syntax" > }< / span >
< / pre >
2021-03-27 01:03:25 +02:00
< p class = "commentary firstcommentary" > < a id = "SP5" class = "paragraph-anchor" > < / a > < b > § 5. < / b > IDs are happened early on in Inform's run, at a time when many nouns have
not been created, so no very detailed parsing of the preamble is possible.
This second stage, called "assessment", takes place later and makes a more
detailed look possible.
< / p >
2021-03-26 01:20:37 +02:00
< pre class = "displayed-code all-displayed-code code-font" >
2021-03-27 01:03:25 +02:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitions::assess_all< / 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" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > initial_problem_count< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > problem_count< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "5-id.html#SP5_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Step 1 - Assess< / span > < span class = "named-paragraph-number" > 5.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "5-id.html#SP5_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Step 2 - Register< / span > < span class = "named-paragraph-number" > 5.2< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "5-id.html#SP5_3" class = "named-paragraph-link" > < span class = "named-paragraph" > Step 3 - Make the runtime context data< / span > < span class = "named-paragraph-number" > 5.3< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "5-id.html#SP5_4" class = "named-paragraph-link" > < span class = "named-paragraph" > Step 4 - Complete< / span > < span class = "named-paragraph-number" > 5.4< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
2021-03-26 01:20:37 +02:00
< span class = "plain-syntax" > }< / span >
< / pre >
2021-03-27 01:03:25 +02:00
< p class = "commentary firstcommentary" > < a id = "SP5_1" class = "paragraph-anchor" > < / a > < b > § 5.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Step 1 - Assess< / span > < span class = "named-paragraph-number" > 5.1< / span > < / span > < span class = "comment-syntax" > =< / span >
< / p >
2021-03-26 01:20:37 +02:00
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > total< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NUMBER_CREATED< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > created< / 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" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > created< / 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" > created< / span > < span class = "plain-syntax" > % < / span > < span class = "constant-syntax" > 10< / 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" > ProgressBar::update< / span > < span class = "plain-syntax" > (3,< / span >
< span class = "plain-syntax" > ((< / span > < span class = "reserved-syntax" > float< / span > < span class = "plain-syntax" > ) (< / span > < span class = "identifier-syntax" > created< / span > < span class = "plain-syntax" > ))/((< / span > < span class = "reserved-syntax" > float< / span > < span class = "plain-syntax" > ) (< / span > < span class = "identifier-syntax" > total< / span > < span class = "plain-syntax" > )));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > at< / span > < span class = "plain-syntax" > ;< / span >
2021-03-27 01:03:25 +02:00
< span class = "plain-syntax" > < / span > < a href = "5-idf.html#SP4" class = "function-link" > < span class = "function-syntax" > ImperativeDefinitionFamilies::assess< / span > < / a > < 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" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > Node::is< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > at< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > next< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > DEFN_CONT_NT< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > at< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > down< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) & & < / span >
2021-03-27 17:21:07 +02:00
< span class = "plain-syntax" > (< / span > < a href = "5-idf.html#SP10" class = "function-link" > < span class = "function-syntax" > ImperativeDefinitionFamilies::allows_empty< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > )) {< / span >
2021-03-27 01:03:25 +02:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::sentence_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_Undefined< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "there doesn't seem to be any definition here"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "so I can't see what this rule or phrase would do."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
2021-03-28 13:47:28 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > body_of_defn< / span > < span class = "plain-syntax" > = < / span > < a href = "5-id.html#SP8" class = "function-link" > < span class = "function-syntax" > ImperativeDefinitions::new_body< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "5-id.html#SP10" class = "function-link" > < span class = "function-syntax" > ImperativeDefinitions::detect_inline< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > );< / span >
2021-03-27 17:21:07 +02:00
< span class = "plain-syntax" > < / span > < a href = "5-idf.html#SP5" class = "function-link" > < span class = "function-syntax" > ImperativeDefinitionFamilies::given_body< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > );< / span >
2021-03-28 13:47:28 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Phrases::prepare_stack_frame< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > body_of_defn< / span > < span class = "plain-syntax" > );< / span >
2021-03-27 01:03:25 +02:00
< span class = "plain-syntax" > }< / span >
2021-03-26 01:20:37 +02:00
< 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" > initial_problem_count< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > problem_count< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ;< / span >
< / pre >
2021-03-27 01:03:25 +02:00
< ul class = "endnotetexts" > < li > This code is used in < a href = "5-id.html#SP5" > § 5< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP5_2" class = "paragraph-anchor" > < / a > < b > § 5.2. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Step 2 - Register< / span > < span class = "named-paragraph-number" > 5.2< / span > < / span > < span class = "comment-syntax" > =< / span >
2021-03-26 01:20:37 +02:00
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
2021-03-27 01:03:25 +02:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > idf< / 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" > idf< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > ) {< / span >
2021-03-27 17:21:07 +02:00
< span class = "plain-syntax" > < / span > < a href = "5-idf.html#SP6" class = "function-link" > < span class = "function-syntax" > ImperativeDefinitionFamilies::register< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > idf< / span > < span class = "plain-syntax" > );< / span >
2021-03-27 01:03:25 +02:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > initial_problem_count< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > problem_count< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
2021-03-26 01:20:37 +02:00
< / pre >
2021-03-27 01:03:25 +02:00
< ul class = "endnotetexts" > < li > This code is used in < a href = "5-id.html#SP5" > § 5< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP5_3" class = "paragraph-anchor" > < / a > < b > § 5.3. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Step 3 - Make the runtime context data< / span > < span class = "named-paragraph-number" > 5.3< / span > < / span > < span class = "comment-syntax" > =< / span >
2021-03-26 01:20:37 +02:00
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > )< / span >
2021-03-28 13:47:28 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > body_of_defn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > runtime_context_data< / span > < span class = "plain-syntax" > =< / span >
2021-03-27 17:21:07 +02:00
< span class = "plain-syntax" > < / span > < a href = "5-idf.html#SP7" class = "function-link" > < span class = "function-syntax" > ImperativeDefinitionFamilies::to_phrcd< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > );< / span >
2021-03-27 01:03:25 +02:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > initial_problem_count< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > problem_count< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ;< / span >
2021-03-26 01:20:37 +02:00
< / pre >
2021-03-27 01:03:25 +02:00
< ul class = "endnotetexts" > < li > This code is used in < a href = "5-id.html#SP5" > § 5< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP5_4" class = "paragraph-anchor" > < / a > < b > § 5.4. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Step 4 - Complete< / span > < span class = "named-paragraph-number" > 5.4< / span > < / span > < span class = "comment-syntax" > =< / span >
2021-03-26 01:20:37 +02:00
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
2021-03-27 01:03:25 +02:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > idf< / 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" > idf< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > ) {< / span >
2021-03-27 17:21:07 +02:00
< span class = "plain-syntax" > < / span > < a href = "5-idf.html#SP8" class = "function-link" > < span class = "function-syntax" > ImperativeDefinitionFamilies::assessment_complete< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > idf< / span > < span class = "plain-syntax" > );< / span >
2021-03-27 01:03:25 +02:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > initial_problem_count< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > problem_count< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ;< / span >
2021-03-26 01:20:37 +02:00
< span class = "plain-syntax" > }< / span >
< / pre >
2021-03-27 01:03:25 +02:00
< ul class = "endnotetexts" > < li > This code is used in < a href = "5-id.html#SP5" > § 5< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP6" class = "paragraph-anchor" > < / a > < b > § 6. < / b > Whatever is defined probably wants to compile the body of the definition
2021-03-28 13:47:28 +03:00
into at least one (and perhaps more than one) Inter function:
2021-03-26 01:20:37 +02:00
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
2021-03-27 01:03:25 +02:00
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > total_phrases_to_compile< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > total_phrases_compiled< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitions::compile_first_block< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "5-id.html#SP6_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Count up the scale of the task< / span > < span class = "named-paragraph-number" > 6.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > idf< / 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" > idf< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / 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" > idf< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > compile_last< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > )< / span >
2021-03-27 17:21:07 +02:00
< span class = "plain-syntax" > < / span > < a href = "5-idf.html#SP12" class = "function-link" > < span class = "function-syntax" > ImperativeDefinitionFamilies::compile< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > idf< / span > < span class = "plain-syntax" > ,< / span >
2021-03-27 01:03:25 +02:00
< span class = "plain-syntax" > & < / span > < span class = "identifier-syntax" > total_phrases_compiled< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > total_phrases_to_compile< / 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" > idf< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / 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" > idf< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > compile_last< / span > < span class = "plain-syntax" > )< / span >
2021-03-27 17:21:07 +02:00
< span class = "plain-syntax" > < / span > < a href = "5-idf.html#SP12" class = "function-link" > < span class = "function-syntax" > ImperativeDefinitionFamilies::compile< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > idf< / span > < span class = "plain-syntax" > ,< / span >
2021-03-27 01:03:25 +02:00
< span class = "plain-syntax" > & < / span > < span class = "identifier-syntax" > total_phrases_compiled< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > total_phrases_to_compile< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
2021-03-26 01:20:37 +02:00
< / pre >
2021-03-27 01:03:25 +02:00
< p class = "commentary firstcommentary" > < a id = "SP6_1" class = "paragraph-anchor" > < / a > < b > § 6.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Count up the scale of the task< / span > < span class = "named-paragraph-number" > 6.1< / span > < / span > < span class = "comment-syntax" > =< / span >
2021-03-26 01:20:37 +02:00
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
2021-03-27 01:03:25 +02:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > total_phrases_compiled< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
2021-03-28 13:47:28 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > phrase< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ph< / 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" > ph< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > phrase< / 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" > ph< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > compilation_data< / span > < span class = "plain-syntax" > .< / span > < span class = "identifier-syntax" > at_least_one_compiled_form_needed< / span > < span class = "plain-syntax" > )< / span >
2021-03-27 01:03:25 +02:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > total_phrases_to_compile< / span > < span class = "plain-syntax" > ++;< / span >
2021-03-26 01:20:37 +02:00
< / pre >
2021-03-27 01:03:25 +02:00
< ul class = "endnotetexts" > < li > This code is used in < a href = "5-id.html#SP6" > § 6< / a > .< / li > < / ul >
2021-03-28 13:47:28 +03:00
< p class = "commentary firstcommentary" > < a id = "SP7" class = "paragraph-anchor" > < / a > < b > § 7. The body. < / b > < / p >
< 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" > phrase< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ph_type_data< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > type_data< / 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" > ph_options_data< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > options_data< / 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" > ph_runtime_context_data< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > runtime_context_data< / 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" > ph_compilation_data< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > compilation_data< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CLASS_DEFINITION< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > phrase< / span > < span class = "plain-syntax" > ;< / span >
< / pre >
< ul class = "endnotetexts" > < li > The structure phrase is accessed in 5/idf, 5/adf, 5/tpf, 5/rf, 6/eqt and here.< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP8" class = "paragraph-anchor" > < / a > < b > § 8. < / b > The life of a < span class = "extract" > < span class = "extract-syntax" > phrase< / span > < / span > structure begins when we look at the parse-tree
representation of its declaration in the source text.
< / p >
< p class = "commentary" > A phrase is inline if and only if its definition consists of a single
invocation which is given as verbatim I6.
2021-03-26 01:20:37 +02:00
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
2021-03-28 13:47:28 +03:00
< span class = "reserved-syntax" > phrase< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > ImperativeDefinitions::new_body< / 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" > ImperativeDefinitions::new_body< / span > < / span > :< br / > < a href = "5-id.html#SP5_1" > § 5.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > at< / 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" > p< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) || (< / span > < span class = "identifier-syntax" > Node::get_type< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > ) != < / span > < span class = "identifier-syntax" > IMPERATIVE_NT< / 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" > "a phrase preamble should be at a IMPERATIVE_NT node"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOGIF< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PHRASE_CREATIONS< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "Creating phrase: < %W> \n"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > log_text< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > phrase< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > body< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > phrase< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > body< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > body< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > options_data< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Phrases::Options::new< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > EMPTY_WORDING< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > body< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > runtime_context_data< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Phrases::Context::new< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > body< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > type_data< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Phrases::TypeData::new< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > body< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > compilation_data< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Phrases::new_compilation_data< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > 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" > body< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
< p class = "commentary firstcommentary" > < a id = "SP9" class = "paragraph-anchor" > < / a > < b > § 9. < / b > Inline definitions open with a raw Inform 6 inclusion. The lexer processes
those as two words: first < span class = "extract" > < span class = "extract-syntax" > (-< / span > < / span > , which serves as a marker, and then the raw
text of the inclusion treated as a single "word".
< / p >
< p class = "commentary" > Some inline definitions also mark themselves to be included only in To phrases
of the right sort: it makes no sense to respond "yes" to a phrase "To decide
what number is...", for instance.
< / p >
< pre class = "Preform-displayed-code all-displayed-code code-font" >
< span class = "Preform-function-syntax" > < inline-phrase-definition> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ::=< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > (-< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > ###< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > -< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > in< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > to< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > only< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { DECIDES_NOTHING_MOR, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > (-< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > ###< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > -< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > in< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > to< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > decide< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > if< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > only< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { DECIDES_CONDITION_MOR, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > (-< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > ###< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > -< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > in< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > to< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > decide< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > only< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { DECIDES_VALUE_MOR, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > (-< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > ###< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { DONT_KNOW_MOR, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > (-< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > ###< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ...< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "5-id.html#SP9_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Issue PM_TailAfterInline problem< / span > < span class = "named-paragraph-number" > 9.1< / span > < / a > < / span >
< / pre >
< ul class = "endnotetexts" > < li > This is < a href = "../words-module/4-ap.html" class = "internal" > Preform grammar< / a > , not regular C code.< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP9_1" class = "paragraph-anchor" > < / a > < b > § 9.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Issue PM_TailAfterInline problem< / span > < span class = "named-paragraph-number" > 9.1< / span > < / span > < span class = "Preform-comment-syntax" > =< / span >
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::sentence_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_TailAfterInline< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "some unexpected text appears after the tail of an inline definition"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "placed within '(-' and '-)' markers to indicate that it is written in "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "Inform 6. Here, there seems to be something extra after the '-)'."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > ==> { < / span > < span class = "identifier-syntax" > fail< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > nonterminal< / span > < span class = "plain-syntax" > };< / span >
< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "5-id.html#SP9" > § 9< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP10" class = "paragraph-anchor" > < / a > < b > § 10. < / b > < / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitions::detect_inline< / 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" > ImperativeDefinitions::detect_inline< / span > < / span > :< br / > < a href = "5-id.html#SP5_1" > § 5.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > at< / 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" > inline_wn< / span > < span class = "plain-syntax" > = -1, < / span > < span class = "identifier-syntax" > mor< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > DONT_KNOW_MOR< / 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" > p< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > down< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > down< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > down< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > down< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > down< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > next< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) & & < / span >
< span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < inline-phrase-definition> (Node::get_text(p-> down-> < / span > < span class = "identifier-syntax" > down< / span > < span class = "plain-syntax" > )))) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inline_wn< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Wordings::first_wn< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > GET_RW< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < inline-phrase-definition> < / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > mor< / span > < span class = "plain-syntax" > = < / span > < span class = "function-syntax" > < < r> > < / span > < span class = "plain-syntax" > ;< / 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" > inline_wn< / 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" > Wide::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Lexer::word_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > inline_wn< / span > < span class = "plain-syntax" > )) > = < / span > < span class = "identifier-syntax" > MAX_INLINE_DEFN_LENGTH< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "5-id.html#SP10_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Forbid overly long inline definitions< / span > < span class = "named-paragraph-number" > 10.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "5-idf.html#SP11" class = "function-link" > < span class = "function-syntax" > ImperativeDefinitionFamilies::allows_inline< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "5-id.html#SP10_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Inline is for To... phrases only< / span > < span class = "named-paragraph-number" > 10.2< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > phrase< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ph< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > body_of_defn< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Phrases::TypeData::make_inline< / span > < span class = "plain-syntax" > (& (< / span > < span class = "identifier-syntax" > ph< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > type_data< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Phrases::make_inline< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ph< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > inline_wn< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > mor< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
2021-03-26 17:04:34 +02:00
< span class = "plain-syntax" > }< / span >
< / pre >
2021-03-28 13:47:28 +03:00
< p class = "commentary firstcommentary" > < a id = "SP10_1" class = "paragraph-anchor" > < / a > < b > § 10.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Forbid overly long inline definitions< / span > < span class = "named-paragraph-number" > 10.1< / span > < / span > < span class = "comment-syntax" > =< / span >
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::sentence_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_InlineTooLong< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "the inline definition of this 'to...' phrase is too long"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "using a quantity of Inform 6 code which exceeds the fairly small limit "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "allowed. You will need either to write the phrase definition in Inform 7, "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "or to call an I6 routine which you define elsewhere with an 'Include ...'."< / span > < span class = "plain-syntax" > );< / span >
< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "5-id.html#SP10" > § 10< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP10_2" class = "paragraph-anchor" > < / a > < b > § 10.2. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Inline is for To... phrases only< / span > < span class = "named-paragraph-number" > 10.2< / span > < / span > < span class = "comment-syntax" > =< / span >
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::sentence_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_InlineRule< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "only 'to...' phrases can be given inline Inform 6 definitions"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "and in particular rules and adjective definitions can't."< / span > < span class = "plain-syntax" > );< / span >
< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "5-id.html#SP10" > § 10< / a > .< / li > < / ul >
2021-03-26 01:20:37 +02:00
< nav role = "progress" > < div class = "progresscontainer" >
2021-03-27 01:03:25 +02:00
< ul class = "progressbar" > < li class = "progressprev" > < a href = "4-imp.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "P-wtmd.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-am.html" > 1< / a > < / li > < li class = "progresschapter" > < a href = "2-bv.html" > 2< / a > < / li > < li class = "progresschapter" > < a href = "3-dlr.html" > 3< / a > < / li > < li class = "progresschapter" > < a href = "4-nr.html" > 4< / a > < / li > < li class = "progresscurrentchapter" > 5< / li > < li class = "progresscurrent" > id< / li > < li class = "progresssection" > < a href = "5-idf.html" > idf< / a > < / li > < li class = "progresssection" > < a href = "5-adf.html" > adf< / a > < / li > < li class = "progresssection" > < a href = "5-tpf.html" > tpf< / a > < / li > < li class = "progresssection" > < a href = "5-rf.html" > rf< / a > < / li > < li class = "progresschapter" > < a href = "6-tc.html" > 6< / a > < / li > < li class = "progresschapter" > < a href = "7-kpr.html" > 7< / a > < / li > < li class = "progressnext" > < a href = "5-idf.html" > ❯ < / a > < / li > < / ul > < / div >
2021-03-26 01:20:37 +02:00
< / nav > <!-- End of weave -->
< / main >
< / body >
< / html >
