2019-03-17 14:40:57 +02:00
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
< html >
< head >
2020-04-14 19:56:54 +03:00
< title > Variables< / title >
2020-05-03 03:20:55 +03:00
< link href = "../docs-assets/Breadcrumbs.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
2020-03-19 02:11:25 +02:00
< meta name = "viewport" content = "width=device-width initial-scale=1" >
2019-03-17 14:40:57 +02:00
< meta http-equiv = "Content-Type" content = "text/html; charset=utf-8" >
< meta http-equiv = "Content-Language" content = "en-gb" >
2020-05-03 03:01:21 +03:00
2020-05-03 03:20:55 +03:00
< 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" >
2020-05-03 03:01:21 +03:00
< script >
function togglePopup(material_id) {
var popup = document.getElementById(material_id);
popup.classList.toggle("show");
}
< / script >
2020-05-03 03:20:55 +03:00
< 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" >
2020-04-14 19:56:54 +03:00
2019-03-17 14:40:57 +02:00
< / head >
2020-05-03 03:01:21 +03:00
< body class = "commentary-font" >
2020-03-19 02:11:25 +02:00
< nav role = "navigation" >
2020-04-14 19:56:54 +03:00
< h1 > < a href = "../index.html" >
2020-05-03 18:34:53 +03:00
< img src = "../docs-assets/Inform.png" height = 72" >
2020-04-14 19:56:54 +03:00
< / a > < / h1 >
< ul > < li > < a href = "../compiler.html" > compiler tools< / a > < / li >
2020-03-19 02:11:25 +02:00
< 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 >
2020-04-14 19:56:54 +03:00
< / ul > < h2 > Compiler Webs< / h2 > < ul >
2020-03-19 02:11:25 +02:00
< 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 >
2020-04-14 19:56:54 +03:00
< / ul > < h2 > Inbuild Modules< / h2 > < ul >
< li > < a href = "../supervisor-module/index.html" > supervisor< / a > < / li >
< / ul > < h2 > Inform7 Modules< / h2 > < ul >
2020-03-19 02:11:25 +02:00
< li > < a href = "../core-module/index.html" > core< / a > < / li >
2020-08-27 17:50:24 +03:00
< li > < a href = "../assertions-module/index.html" > assertions< / 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 >
2020-03-19 02:11:25 +02:00
< 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 >
2020-04-14 19:56:54 +03:00
< / ul > < h2 > Inter Modules< / h2 > < ul >
< li > < a href = "../bytecode-module/index.html" > bytecode< / a > < / li >
2020-03-19 02:11:25 +02:00
< li > < a href = "../building-module/index.html" > building< / a > < / li >
2021-08-10 13:01:03 +03:00
< li > < a href = "../pipeline-module/index.html" > pipeline< / a > < / li >
< li > < a href = "index.html" > < span class = "selectedlink" > final< / span > < / a > < / li >
2020-05-20 02:02:28 +03:00
< / ul > < h2 > Services< / h2 > < ul >
2020-04-14 19:56:54 +03:00
< li > < a href = "../arch-module/index.html" > arch< / a > < / li >
2020-08-27 17:50:24 +03:00
< li > < a href = "../calculus-module/index.html" > calculus< / a > < / li >
2020-04-14 19:56:54 +03:00
< li > < a href = "../html-module/index.html" > html< / a > < / li >
2020-05-20 02:02:28 +03:00
< li > < a href = "../inflections-module/index.html" > inflections< / a > < / li >
2020-08-27 17:50:24 +03:00
< li > < a href = "../kinds-module/index.html" > kinds< / a > < / li >
2020-05-20 02:02:28 +03:00
< li > < a href = "../linguistics-module/index.html" > linguistics< / a > < / li >
< li > < a href = "../problems-module/index.html" > problems< / a > < / li >
2020-08-27 17:50:24 +03:00
< li > < a href = "../syntax-module/index.html" > syntax< / a > < / li >
< li > < a href = "../words-module/index.html" > words< / a > < / li >
2020-03-19 02:11:25 +02:00
< li > < a href = "../../../inweb/docs/foundation-module/index.html" > foundation< / a > < / li >
2020-04-14 19:56:54 +03:00
< / ul >
2020-03-19 02:11:25 +02:00
< / nav >
< main role = "main" >
2020-05-03 03:01:21 +03:00
<!-- Weave of 'Variables' generated by Inweb -->
< div class = "breadcrumbs" >
2021-08-10 13:01:03 +03:00
< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../compiler.html" > Inter Modules< / a > < / li > < li > < a href = "index.html" > final< / a > < / li > < li > < a href = "index.html#2" > Chapter 2: Mechanism< / a > < / li > < li > < b > Variables< / b > < / li > < / ul > < / div >
2020-05-03 03:01:21 +03:00
< p class = "purpose" > To generate the initial state of storage for variables.< / p >
2019-03-17 14:40:57 +02:00
2020-08-27 17:50:24 +03:00
< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. < / b > < / p >
2019-03-17 14:40:57 +02:00
2020-05-03 03:01:21 +03:00
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > variables_written< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > prepare_counter< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > knowledge_counter< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
2021-08-10 13:01:03 +03:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > CodeGen::Var::prepare< / 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" > CodeGen::Var::prepare< / span > < / span > :< br / > Code Generation - < a href = "2-cg.html#SP8_1" > § 8.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > code_generation< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > gen< / span > < span class = "plain-syntax" > ) {< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > variables_written< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > prepare_counter< / 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" > knowledge_counter< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
2021-08-10 13:01:03 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > InterTree::traverse< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gen< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > from< / span > < span class = "plain-syntax" > , < / span > < a href = "2-vrb.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Var::visitor1< / span > < / a > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > gen< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > VARIABLE_IST< / span > < span class = "plain-syntax" > );< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > }< / span >
2019-06-30 13:38:16 +03:00
2020-05-03 03:01:21 +03:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > CodeGen::Var::visitor1< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > inter_tree< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > inter_tree_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > code_generation< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > gen< / span > < span class = "plain-syntax" > = (< / span > < span class = "reserved-syntax" > code_generation< / span > < span class = "plain-syntax" > *) < / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > ;< / span >
2021-04-15 00:57:48 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inter_symbol< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > var_name< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > InterSymbolsTables::symbol_from_frame_data< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > DEFN_VAR_IFLD< / span > < span class = "plain-syntax" > );< / span >
2021-08-10 13:01:03 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > prepare_counter< / span > < span class = "plain-syntax" > = < / span > < a href = "2-ft.html#SP11" class = "function-link" > < span class = "function-syntax" > CodeGen::Targets::prepare_variable< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gen< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > var_name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > prepare_counter< / span > < span class = "plain-syntax" > );< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > }< / span >
2019-03-17 14:40:57 +02:00
2021-08-10 13:01:03 +03:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > CodeGen::Var::knowledge< / 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" > CodeGen::Var::knowledge< / span > < / span > :< br / > Frame Control - < a href = "2-fc.html#SP1" > § 1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > code_generation< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > gen< / span > < span class = "plain-syntax" > ) {< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > variables_written< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > variables_written< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
2021-08-10 13:01:03 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > InterTree::traverse< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gen< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > , < / span > < a href = "2-vrb.html#SP1" class = "function-link" > < span class = "function-syntax" > CodeGen::Var::visitor2< / span > < / a > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > gen< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > VARIABLE_IST< / span > < span class = "plain-syntax" > );< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
2019-06-30 13:38:16 +03:00
2020-05-03 03:01:21 +03:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > CodeGen::Var::visitor2< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > inter_tree< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > inter_tree_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > code_generation< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > gen< / span > < span class = "plain-syntax" > = (< / span > < span class = "reserved-syntax" > code_generation< / span > < span class = "plain-syntax" > *) < / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > ;< / span >
2021-04-15 00:57:48 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inter_symbol< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > var_name< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > InterSymbolsTables::symbol_from_frame_data< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > DEFN_VAR_IFLD< / span > < span class = "plain-syntax" > );< / span >
2021-08-10 13:01:03 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > knowledge_counter< / span > < span class = "plain-syntax" > = < / span > < a href = "2-ft.html#SP11" class = "function-link" > < span class = "function-syntax" > CodeGen::Targets::declare_variable< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gen< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > var_name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > knowledge_counter< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > prepare_counter< / span > < span class = "plain-syntax" > );< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > }< / span >
2019-03-17 14:40:57 +02:00
< / pre >
2020-05-03 03:01:21 +03:00
< nav role = "progress" > < div class = "progresscontainer" >
2021-08-10 13:01:03 +03:00
< ul class = "progressbar" > < li class = "progressprev" > < a href = "2-iap.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "1-fm.html" > 1< / a > < / li > < li class = "progresscurrentchapter" > 2< / li > < li class = "progresssection" > < a href = "2-cg.html" > cg< / a > < / li > < li class = "progresssection" > < a href = "2-fc.html" > fc< / a > < / li > < li class = "progresssection" > < a href = "2-cal.html" > cal< / a > < / li > < li class = "progresssection" > < a href = "2-iap.html" > iap< / a > < / li > < li class = "progresscurrent" > vrb< / li > < li class = "progresssection" > < a href = "2-ft.html" > ft< / a > < / li > < li class = "progresschapter" > < a href = "3-fti.html" > 3< / a > < / li > < li class = "progresschapter" > < a href = "4-fi6.html" > 4< / a > < / li > < li class = "progresschapter" > < a href = "5-fnc.html" > 5< / a > < / li > < li class = "progressnext" > < a href = "2-ft.html" > ❯ < / a > < / li > < / ul > < / div >
2020-05-03 03:01:21 +03:00
< / nav > <!-- End of weave -->
2019-03-17 14:40:57 +02:00
2020-03-19 02:11:25 +02:00
< / main >
2019-03-17 14:40:57 +02:00
< / body >
< / html >