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 > Grammar Types< / 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 >
2020-04-14 19:56:54 +03:00
< li > < a href = "index.html" > < span class = "selectedlink" > if< / span > < / a > < / li >
2020-03-19 02:11:25 +02:00
< 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 >
< li > < a href = "../codegen-module/index.html" > codegen< / 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 >
2020-08-20 13:50:43 +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 >
2020-08-20 13:50:43 +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 >
2020-08-20 13:50:43 +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 'Grammar Types' generated by Inweb -->
< div class = "breadcrumbs" >
< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../compiler.html" > Inform7 Modules< / a > < / li > < li > < a href = "index.html" > if< / a > < / li > < li > < a href = "index.html#5" > Chapter 5: Command Grammar< / a > < / li > < li > < b > Grammar Types< / b > < / li > < / ul > < / div >
< p class = "purpose" > Some grammar text specifies one or more values, and we need to keep track of their kind(s). Here we manage the data structure doing this.< / p >
2019-03-17 14:40:57 +02:00
2020-04-16 01:49:59 +03:00
< ul class = "toc" > < li > < a href = "5-gt.html#SP1" > § 1. Definitions< / a > < / li > < / ul > < hr class = "tocbar" >
2019-03-17 14:40:57 +02:00
2020-08-18 00:57:45 +03:00
< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. Definitions. < / 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" > typedef< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > grammar_type< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > no_resulting_values< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > number of resulting values: 0, 1 or 2; or < / span > < span class = "extract" > < span class = "extract-syntax" > -1< / span > < / span >
< 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" > first_type< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > and their types< / span >
< 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" > second_type< / 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" > first_multiplicity< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > lines only: allow a multiple object here?< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > second_multiplicity< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > lines only: allow a multiple object here?< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > grammar_type< / span > < span class = "plain-syntax" > ;< / span >
2019-03-17 14:40:57 +02:00
< / pre >
2020-05-03 03:01:21 +03:00
< ul class = "endnotetexts" > < li > The structure grammar_type is private to this section.< / li > < / ul >
2020-08-18 00:57:45 +03:00
< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > < / p >
2020-05-03 03:01:21 +03:00
< pre class = "displayed-code all-displayed-code code-font" >
2020-08-09 20:39:31 +03:00
< span class = "reserved-syntax" > grammar_type< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Parsing::Tokens::Types::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" > PL::Parsing::Tokens::Types::new< / span > < / span > :< br / > Grammar Verbs - < a href = "5-gv.html#SP4" > § 4< / a > < br / > Grammar Lines - < a href = "5-gl.html#SP3" > § 3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > supports_return_type< / span > < span class = "plain-syntax" > ) {< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > grammar_type< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > first_type< / 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" > gty< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > second_type< / 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" > gty< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > first_multiplicity< / 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" > gty< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > second_multiplicity< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > supports_return_type< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > no_resulting_values< / 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" > else< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > no_resulting_values< / span > < span class = "plain-syntax" > = -1;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
2019-03-17 14:40:57 +02:00
< / pre >
2020-08-18 00:57:45 +03:00
< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. < / b > The multiplication by 10 here is explained in the discussion of GSB
2019-03-17 14:40:57 +02:00
tallying during GL sorting in "Grammar Lines". Do not amend it without
changing that discussion.
< / p >
2020-05-03 03:01:21 +03:00
< pre class = "displayed-code all-displayed-code code-font" >
2020-08-09 20:39:31 +03:00
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Parsing::Tokens::Types::add_type< / 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" > PL::Parsing::Tokens::Types::add_type< / span > < / span > :< br / > Grammar Lines - < a href = "5-gl.html#SP14" > § 14< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > grammar_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > spec< / span > < span class = "plain-syntax" > ,< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > multiple_flag< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > score< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > switch< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_resulting_values< / span > < span class = "plain-syntax" > )++) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / 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" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > first_type< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > spec< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > first_multiplicity< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > multiple_flag< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 10< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > score< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / 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" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > second_type< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > spec< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > second_multiplicity< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > multiple_flag< / 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" > score< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 2< / span > < span class = "plain-syntax" > :< / span >
2020-05-21 02:11:29 +03:00
< 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_ThreeValuedLine< / span > < span class = "plain-syntax" > ),< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "there can be at most two varying parts to a line of grammar"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "so 'put [something] in [a container]' is allowed but 'put "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "[something] in [something] beside [a door]' is not."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
2020-08-09 20:39:31 +03:00
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Parsing::Tokens::Types::has_return_type< / 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" > PL::Parsing::Tokens::Types::has_return_type< / span > < / span > :< br / > Grammar Verbs - < a href = "5-gv.html#SP24" > § 24< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > grammar_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > gty< / 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" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_resulting_values< / span > < span class = "plain-syntax" > == -1) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
2020-08-09 20:39:31 +03:00
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Parsing::Tokens::Types::get_no_resulting_values< / span > < button class = "popup" onclick = "togglePopup('usagePopup4')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup4" > Usage of < span class = "code-font" > < span class = "function-syntax" > PL::Parsing::Tokens::Types::get_no_resulting_values< / span > < / span > :< br / > Grammar Lines - < a href = "5-gl.html#SP14" > § 14< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > grammar_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > ) {< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_resulting_values< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
2020-08-09 20:39:31 +03:00
< span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > PL::Parsing::Tokens::Types::get_single_type< / span > < button class = "popup" onclick = "togglePopup('usagePopup5')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup5" > Usage of < span class = "code-font" > < span class = "function-syntax" > PL::Parsing::Tokens::Types::get_single_type< / span > < / span > :< br / > Grammar Verbs - < a href = "5-gv.html#SP24" > § 24< / a > < br / > Grammar Lines - < a href = "5-gl.html#SP14" > § 14< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > grammar_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > ) {< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > switch< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_resulting_values< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > : < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > : < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > first_type< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > default:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "gty improperly typed"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
2020-08-09 20:39:31 +03:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Parsing::Tokens::Types::set_single_type< / span > < button class = "popup" onclick = "togglePopup('usagePopup6')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup6" > Usage of < span class = "code-font" > < span class = "function-syntax" > PL::Parsing::Tokens::Types::set_single_type< / span > < / span > :< br / > Grammar Verbs - < a href = "5-gv.html#SP24" > § 24< / a > < br / > Grammar Lines - < a href = "5-gl.html#SP3" > § 3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > grammar_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > spec< / 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" > spec< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_resulting_values< / 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" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_resulting_values< / 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" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > first_type< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > spec< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
2020-08-09 20:39:31 +03:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Parsing::Tokens::Types::compile_to_string< / span > < button class = "popup" onclick = "togglePopup('usagePopup7')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup7" > Usage of < span class = "code-font" > < span class = "function-syntax" > PL::Parsing::Tokens::Types::compile_to_string< / span > < / span > :< br / > Grammar Lines - < a href = "5-gl.html#SP19" > § 19< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > grammar_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > ) {< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Specifications::Compiler::emit_as_val< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K_value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > first_type< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
2020-08-09 20:39:31 +03:00
< span class = "identifier-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > PL::Parsing::Tokens::Types::get_data_type_as_token< / span > < button class = "popup" onclick = "togglePopup('usagePopup8')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup8" > Usage of < span class = "code-font" > < span class = "function-syntax" > PL::Parsing::Tokens::Types::get_data_type_as_token< / span > < / span > :< br / > Grammar Verbs - < a href = "5-gv.html#SP20" > § 20< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > grammar_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > gty< / 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" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_resulting_values< / span > < span class = "plain-syntax" > > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) {< / span >
2020-05-11 17:21:29 +03:00
< 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" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > first_type< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > CONSTANT_NT< / span > < span class = "plain-syntax" > )) ||< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Specifications::is_description< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > first_type< / 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" > Specifications::to_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gty< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > first_type< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
2019-03-17 14:40:57 +02:00
< / pre >
2020-08-18 00:57:45 +03:00
< p class = "commentary firstcommentary" > < a id = "SP4" class = "paragraph-anchor" > < / a > < b > § 4. < / b > The behaviour of this sorting routine is documented in the discussion
2019-03-17 14:40:57 +02:00
of GL sorting in "Grammar Lines". Do not amend it without changing that
discussion.
< / p >
2020-05-03 03:01:21 +03:00
< pre class = "displayed-code all-displayed-code code-font" >
2020-08-09 20:39:31 +03:00
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Parsing::Tokens::Types::must_precede< / span > < button class = "popup" onclick = "togglePopup('usagePopup9')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup9" > Usage of < span class = "code-font" > < span class = "function-syntax" > PL::Parsing::Tokens::Types::must_precede< / span > < / span > :< br / > Grammar Lines - < a href = "5-gl.html#SP16" > § 16< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > grammar_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > gty1< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > grammar_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > gty2< / span > < span class = "plain-syntax" > ) {< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > cs< / 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" > gty1< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_resulting_values< / span > < span class = "plain-syntax" > ) < (< / span > < span class = "identifier-syntax" > gty2< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_resulting_values< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / 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" > gty1< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_resulting_values< / span > < span class = "plain-syntax" > ) > (< / span > < span class = "identifier-syntax" > gty2< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_resulting_values< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gty1< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_resulting_values< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NOT_APPLICABLE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > cs< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Specifications::compare_specificity< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gty1< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > first_type< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > gty2< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > first_type< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / 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" > cs< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / 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" > cs< / span > < span class = "plain-syntax" > == -1) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > gty1< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > first_multiplicity< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > gty2< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > first_multiplicity< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > gty1< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > first_multiplicity< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > gty2< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > first_multiplicity< / 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" > TRUE< / 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" > gty1< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_resulting_values< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NOT_APPLICABLE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > cs< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Specifications::compare_specificity< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > gty1< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > second_type< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > gty2< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > second_type< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / 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" > cs< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / 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" > cs< / span > < span class = "plain-syntax" > == -1) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > gty1< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > second_multiplicity< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > gty2< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > second_multiplicity< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > gty1< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > second_multiplicity< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > gty2< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > second_multiplicity< / 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" > TRUE< / 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" > NOT_APPLICABLE< / span > < span class = "plain-syntax" > ;< / span >
< 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" >
< ul class = "progressbar" > < li class = "progressprev" > < a href = "5-gl.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "1-im.html" > 1< / a > < / li > < li class = "progresschapter" > < a href = "2-ifi.html" > 2< / a > < / li > < li class = "progresschapter" > < a href = "3-tnt.html" > 3< / a > < / li > < li class = "progresschapter" > < a href = "4-act.html" > 4< / a > < / li > < li class = "progresscurrentchapter" > 5< / li > < li class = "progresssection" > < a href = "5-itg.html" > itg< / a > < / li > < li class = "progresssection" > < a href = "5-tfg.html" > tfg< / a > < / li > < li class = "progresssection" > < a href = "5-gp.html" > gp< / a > < / li > < li class = "progresssection" > < a href = "5-gv.html" > gv< / a > < / li > < li class = "progresssection" > < a href = "5-gl.html" > gl< / a > < / li > < li class = "progresscurrent" > gt< / li > < li class = "progresssection" > < a href = "5-gt2.html" > gt2< / a > < / li > < li class = "progresssection" > < a href = "5-nft.html" > nft< / a > < / li > < li class = "progresssection" > < a href = "5-tpv.html" > tpv< / a > < / li > < li class = "progresssection" > < a href = "5-gpr.html" > gpr< / a > < / li > < li class = "progressnext" > < a href = "5-gt2.html" > ❯ < / a > < / li > < / ul > < / div >
< / 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 >