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package.mo
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within ;
package ModelicaReference "Modelica Reference"
extends ModelicaReference.Icons.Information;
class ModelicaGrammar "Modelica Grammar"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html><head><title>Modelica 3.4 Grammar</title>
<style type=\"text/css\">
A.HREF { text-decoration:none; color:#003399 }
</style>
</head>
<body><h4>Modelica 3.4 Grammar</h4>
<p>This is the grammar of Modelica 3.4 in EBNF form. Each
non-terminal appearing on the right hand side of a production is a link to the
production for that non-terminal. This grammar is identical to that in the
Modelica 3.4 specification except for removal of some unnecessary
parentheses, grouping of some common terms, and reformatting for easier
readability. The following typographic conventions are used:</p>
<ul>
<li>Keywords are set in <strong>boldface</strong>.</li>
<li>Literals other than keywords are <font color=\"green\">\"</font><tt>quoted-monospaced</tt><font color=\"green\">\"</font> text.</li>
<li>Non-terminals are set in <em>italics</em>, with <font color=\"#003399\"><em>blue italics</em></font> used for links.</li>
<li>EBNF meta-characters are <font color=\"green\">green</font>.</li>
</ul>
<h5>Stored Definition</h5>
<p><a name=\"stored_definition\" class=\"NAME\"><em>stored_definition</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>within</strong><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#name\" class=\"HREF\"><em>name</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>final</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><a href=\"#class_definition\" class=\"HREF\"><em>class_definition</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<h5>Class Definition</h5>
<p><a name=\"class_definition\" class=\"NAME\"><em>class_definition</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>encapsulated</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><a href=\"#class_prefixes\" class=\"HREF\"><em>class_prefixes</em></a><tt> </tt><a href=\"#class_specifier\" class=\"HREF\"><em>class_specifier</em></a>
</p>
<p><a name=\"class_prefixes\" class=\"NAME\"><em>class_prefixes</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>partial</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">(</font><tt> </tt><strong>class</strong><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>model</strong><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>operator</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><strong>record</strong><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>block</strong><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>expandable</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><strong>connector</strong>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>type</strong><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>package</strong><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>pure</strong><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>impure</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>operator</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><strong>function</strong><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>operator</strong><tt> </tt><font color=\"green\" size=\"+1\">)</font>
</p>
<p><a name=\"class_specifier\" class=\"NAME\"><em>class_specifier</em></a>:
<br><tt> </tt><a href=\"#long_class_specifier\" class=\"HREF\"><em>long_class_specifier</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#short_class_specifier\" class=\"HREF\"><em>short_class_specifier</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#der_class_specifier\" class=\"HREF\"><em>der_class_specifier</em></a>
</p>
<p><a name=\"long_class_specifier\" class=\"NAME\"><em>long_class_specifier</em></a>:
<br><tt> </tt><em>IDENT</em><tt> </tt><a href=\"#string_comment\" class=\"HREF\"><em>string_comment</em></a><tt> </tt><a href=\"#composition\" class=\"HREF\"><em>composition</em></a><tt> </tt><strong>end</strong><tt> </tt><em>IDENT</em>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>extends</strong><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#class_modification\" class=\"HREF\"><em>class_modification</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><a href=\"#string_comment\" class=\"HREF\"><em>string_comment</em></a><tt> </tt><a href=\"#composition\" class=\"HREF\"><em>composition</em></a><tt> </tt><strong>end</strong><tt> </tt><em>IDENT</em>
</p>
<p><a name=\"short_class_specifier\" class=\"NAME\"><em>short_class_specifier</em></a>:
<br><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\">\"</font><tt>=</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#base_prefix\" class=\"HREF\"><em>base_prefix</em></a><tt> </tt><a href=\"#type_specifier\" class=\"HREF\"><em>type_specifier</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#array_subscripts\" class=\"HREF\"><em>array_subscripts</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#class_modification\" class=\"HREF\"><em>class_modification</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><a href=\"#comment\" class=\"HREF\"><em>comment</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\">\"</font><tt>=</tt><font color=\"green\">\"</font><tt> </tt><strong>enumeration</strong><tt> </tt><font color=\"green\">\"</font><tt>(</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">(</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#enum_list\" class=\"HREF\"><em>enum_list</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>:</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">)</font><tt> </tt><font color=\"green\">\"</font><tt>)</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#comment\" class=\"HREF\"><em>comment</em></a>
</p>
<p><a name=\"der_class_specifier\" class=\"NAME\"><em>der_class_specifier</em></a>:
<br><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\">\"</font><tt>=</tt><font color=\"green\">\"</font><tt> </tt><strong>der</strong><tt> </tt><font color=\"green\">\"</font><tt>(</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#type_specifier\" class=\"HREF\"><em>type_specifier</em></a><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\" size=\"+1\">}</font><tt> </tt><font color=\"green\">\"</font><tt>)</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#comment\" class=\"HREF\"><em>comment</em></a>
</p>
<p><a name=\"base_prefix\" class=\"NAME\"><em>base_prefix</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>input</strong><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>output</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<p><a name=\"enum_list\" class=\"NAME\"><em>enum_list</em></a>:
<br><tt> </tt><a href=\"#enumeration_literal\" class=\"HREF\"><em>enumeration_literal</em></a><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#enumeration_literal\" class=\"HREF\"><em>enumeration_literal</em></a><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<p><a name=\"enumeration_literal\" class=\"NAME\"><em>enumeration_literal</em></a>:
<br><tt> </tt><em>IDENT</em><tt> </tt><a href=\"#comment\" class=\"HREF\"><em>comment</em></a>
</p>
<p><a name=\"composition\" class=\"NAME\"><em>composition</em></a>:
<br><tt> </tt><a href=\"#element_list\" class=\"HREF\"><em>element_list</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><strong>public</strong><tt> </tt><a href=\"#element_list\" class=\"HREF\"><em>element_list</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>protected</strong><tt> </tt><a href=\"#element_list\" class=\"HREF\"><em>element_list</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#equation_section\" class=\"HREF\"><em>equation_section</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#algorithm_section\" class=\"HREF\"><em>algorithm_section</em></a><tt> </tt><font color=\"green\" size=\"+1\">}</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>external</strong><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#language_specification\" class=\"HREF\"><em>language_specification</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#external_function_call\" class=\"HREF\"><em>external_function_call</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#annotation_comment\" class=\"HREF\"><em>annotation_comment</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">]</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#annotation_comment\" class=\"HREF\"><em>annotation_comment</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<p><a name=\"language_specification\" class=\"NAME\"><em>language_specification</em></a>:
<br><tt> </tt><em>STRING</em>
</p>
<p><a name=\"external_function_call\" class=\"NAME\"><em>external_function_call</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#component_reference\" class=\"HREF\"><em>component_reference</em></a><tt> </tt><font color=\"green\">\"</font><tt>=</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\">\"</font><tt>(</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#expression_list\" class=\"HREF\"><em>expression_list</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\">\"</font><tt>)</tt><font color=\"green\">\"</font>
</p>
<p><a name=\"element_list\" class=\"NAME\"><em>element_list</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#element\" class=\"HREF\"><em>element</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<p><a name=\"element\" class=\"NAME\"><em>element</em></a>:
<br><tt> </tt><a href=\"#import_clause\" class=\"HREF\"><em>import_clause</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#extends_clause\" class=\"HREF\"><em>extends_clause</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>redeclare</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>final</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>inner</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>outer</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">(</font><tt> </tt><a href=\"#class_definition\" class=\"HREF\"><em>class_definition</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#component_clause\" class=\"HREF\"><em>component_clause</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>replaceable</strong><tt> </tt><font color=\"green\" size=\"+1\">(</font><tt> </tt><a href=\"#class_definition\" class=\"HREF\"><em>class_definition</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#component_clause\" class=\"HREF\"><em>component_clause</em></a><tt> </tt><font color=\"green\" size=\"+1\">)</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#constraining_clause\" class=\"HREF\"><em>constraining_clause</em></a><tt> </tt><a href=\"#comment\" class=\"HREF\"><em>comment</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">)</font>
</p>
<p><a name=\"import_clause\" class=\"NAME\"><em>import_clause</em></a>:
<br><tt> </tt><strong>import</strong><tt> </tt><font color=\"green\" size=\"+1\">(</font><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\">\"</font><tt>=</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#name\" class=\"HREF\"><em>name</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#name\" class=\"HREF\"><em>name</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><font color=\"green\">\"</font><tt>.</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\">\"</font><tt>*</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>.*</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>{</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#import_list\" class=\"HREF\"><em>import_list</em></a><tt> </tt><font color=\"green\">\"</font><tt>}</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">)</font><tt> </tt><a href=\"#comment\" class=\"HREF\"><em>comment</em></a>
</p>
<p><a name=\"import_list\" class=\"NAME\"><em>import_list</em></a>:
<br><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<h5>Extends</h5>
<p><a name=\"extends_clause\" class=\"NAME\"><em>extends_clause</em></a>:
<br><tt> </tt><strong>extends</strong><tt> </tt><a href=\"#type_specifier\" class=\"HREF\"><em>type_specifier</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#class_modification\" class=\"HREF\"><em>class_modification</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#annotation_comment\" class=\"HREF\"><em>annotation_comment</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<p><a name=\"constraining_clause\" class=\"NAME\"><em>constraining_clause</em></a>:
<br><tt> </tt><strong>constrainedby</strong><tt> </tt><a href=\"#type_specifier\" class=\"HREF\"><em>type_specifier</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#class_modification\" class=\"HREF\"><em>class_modification</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<h5>Component Clause</h5>
<p><a name=\"component_clause\" class=\"NAME\"><em>component_clause</em></a>:
<br><tt> </tt><a href=\"#type_prefix\" class=\"HREF\"><em>type_prefix</em></a><tt> </tt><a href=\"#type_specifier\" class=\"HREF\"><em>type_specifier</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#array_subscripts\" class=\"HREF\"><em>array_subscripts</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><a href=\"#component_list\" class=\"HREF\"><em>component_list</em></a>
</p>
<p><a name=\"type_prefix\" class=\"NAME\"><em>type_prefix</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>flow</strong><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>stream</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>discrete</strong><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>parameter</strong><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>constant</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>input</strong><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>output</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<p><a name=\"component_list\" class=\"NAME\"><em>component_list</em></a>:
<br><tt> </tt><a href=\"#component_declaration\" class=\"HREF\"><em>component_declaration</em></a><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#component_declaration\" class=\"HREF\"><em>component_declaration</em></a><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<p><a name=\"component_declaration\" class=\"NAME\"><em>component_declaration</em></a>:
<br><tt> </tt><a href=\"#declaration\" class=\"HREF\"><em>declaration</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#condition_attribute\" class=\"HREF\"><em>condition_attribute</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><a href=\"#comment\" class=\"HREF\"><em>comment</em></a>
</p>
<p><a name=\"condition_attribute\" class=\"NAME\"><em>condition_attribute</em></a>:
<br><tt> </tt><strong>if</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a>
</p>
<p><a name=\"declaration\" class=\"NAME\"><em>declaration</em></a>:
<br><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#array_subscripts\" class=\"HREF\"><em>array_subscripts</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#modification\" class=\"HREF\"><em>modification</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<h5>Modification</h5>
<p><a name=\"modification\" class=\"NAME\"><em>modification</em></a>:
<br><tt> </tt><a href=\"#class_modification\" class=\"HREF\"><em>class_modification</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><font color=\"green\">\"</font><tt>=</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>=</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>:=</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a>
</p>
<p><a name=\"class_modification\" class=\"NAME\"><em>class_modification</em></a>:
<br><tt> </tt><font color=\"green\">\"</font><tt>(</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#argument_list\" class=\"HREF\"><em>argument_list</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\">\"</font><tt>)</tt><font color=\"green\">\"</font>
</p>
<p><a name=\"argument_list\" class=\"NAME\"><em>argument_list</em></a>:
<br><tt> </tt><a href=\"#argument\" class=\"HREF\"><em>argument</em></a><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#argument\" class=\"HREF\"><em>argument</em></a><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<p><a name=\"argument\" class=\"NAME\"><em>argument</em></a>:
<br><tt> </tt><a href=\"#element_modification_or_replaceable\" class=\"HREF\"><em>element_modification_or_replaceable</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#element_redeclaration\" class=\"HREF\"><em>element_redeclaration</em></a>
</p>
<p><a name=\"element_modification_or_replaceable\" class=\"NAME\"><em>element_modification_or_replaceable</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>each</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>final</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">(</font><tt> </tt><a href=\"#element_modification\" class=\"HREF\"><em>element_modification</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#element_replaceable\" class=\"HREF\"><em>element_replaceable</em></a><tt> </tt><font color=\"green\" size=\"+1\">)</font>
</p>
<p><a name=\"element_modification\" class=\"NAME\"><em>element_modification</em></a>:
<br><tt> </tt><a href=\"#name\" class=\"HREF\"><em>name</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#modification\" class=\"HREF\"><em>modification</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><a href=\"#string_comment\" class=\"HREF\"><em>string_comment</em></a>
</p>
<p><a name=\"element_redeclaration\" class=\"NAME\"><em>element_redeclaration</em></a>:
<br><tt> </tt><strong>redeclare</strong><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>each</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>final</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">(</font><tt> </tt><a href=\"#short_class_definition\" class=\"HREF\"><em>short_class_definition</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#component_clause1\" class=\"HREF\"><em>component_clause1</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#element_replaceable\" class=\"HREF\"><em>element_replaceable</em></a><tt> </tt><font color=\"green\" size=\"+1\">)</font>
</p>
<p><a name=\"element_replaceable\" class=\"NAME\"><em>element_replaceable</em></a>:
<br><tt> </tt><strong>replaceable</strong><tt> </tt><font color=\"green\" size=\"+1\">(</font><tt> </tt><a href=\"#short_class_definition\" class=\"HREF\"><em>short_class_definition</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#component_clause1\" class=\"HREF\"><em>component_clause1</em></a><tt> </tt><font color=\"green\" size=\"+1\">)</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#constraining_clause\" class=\"HREF\"><em>constraining_clause</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<p><a name=\"component_clause1\" class=\"NAME\"><em>component_clause1</em></a>:
<br><tt> </tt><a href=\"#type_prefix\" class=\"HREF\"><em>type_prefix</em></a><tt> </tt><a href=\"#type_specifier\" class=\"HREF\"><em>type_specifier</em></a><tt> </tt><a href=\"#component_declaration1\" class=\"HREF\"><em>component_declaration1</em></a>
</p>
<p><a name=\"component_declaration1\" class=\"NAME\"><em>component_declaration1</em></a>:
<br><tt> </tt><a href=\"#declaration\" class=\"HREF\"><em>declaration</em></a><tt> </tt><a href=\"#comment\" class=\"HREF\"><em>comment</em></a>
</p>
<p><a name=\"short_class_definition\" class=\"NAME\"><em>short_class_definition</em></a>:
<br><tt> </tt><a href=\"#class_prefixes\" class=\"HREF\"><em>class_prefixes</em></a><tt> </tt><a href=\"#short_class_specifier\" class=\"HREF\"><em>short_class_specifier</em></a>
</p>
<h5>Equation</h5>
<p><a name=\"equation_section\" class=\"NAME\"><em>equation_section</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>initial</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><strong>equation</strong><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#equation\" class=\"HREF\"><em>equation</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<p><a name=\"algorithm_section\" class=\"NAME\"><em>algorithm_section</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>initial</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><strong>algorithm</strong><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#statement\" class=\"HREF\"><em>statement</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<p><a name=\"equation\" class=\"NAME\"><em>equation</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">(</font><tt> </tt><a href=\"#simple_expression\" class=\"HREF\"><em>simple_expression</em></a><tt> </tt><font color=\"green\">\"</font><tt>=</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#if_equation\" class=\"HREF\"><em>if_equation</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#for_equation\" class=\"HREF\"><em>for_equation</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#connect_clause\" class=\"HREF\"><em>connect_clause</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#when_equation\" class=\"HREF\"><em>when_equation</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#component_reference\" class=\"HREF\"><em>component_reference</em></a><tt> </tt><a href=\"#function_call_args\" class=\"HREF\"><em>function_call_args</em></a><tt> </tt><font color=\"green\" size=\"+1\">)</font><tt> </tt><a href=\"#comment\" class=\"HREF\"><em>comment</em></a>
</p>
<p><a name=\"statement\" class=\"NAME\"><em>statement</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">(</font><tt> </tt><a href=\"#component_reference\" class=\"HREF\"><em>component_reference</em></a><tt> </tt><font color=\"green\" size=\"+1\">(</font><tt> </tt><font color=\"green\">\"</font><tt>:=</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#function_call_args\" class=\"HREF\"><em>function_call_args</em></a><tt> </tt><font color=\"green\" size=\"+1\">)</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>(</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#output_expression_list\" class=\"HREF\"><em>output_expression_list</em></a><tt> </tt><font color=\"green\">\"</font><tt>)</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\">\"</font><tt>:=</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#component_reference\" class=\"HREF\"><em>component_reference</em></a><tt> </tt><a href=\"#function_call_args\" class=\"HREF\"><em>function_call_args</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>break</strong>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>return</strong>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#if_statement\" class=\"HREF\"><em>if_statement</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#for_statement\" class=\"HREF\"><em>for_statement</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#while_statement\" class=\"HREF\"><em>while_statement</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#when_statement\" class=\"HREF\"><em>when_statement</em></a><tt> </tt><font color=\"green\" size=\"+1\">)</font><tt> </tt><a href=\"#comment\" class=\"HREF\"><em>comment</em></a>
</p>
<p><a name=\"if_equation\" class=\"NAME\"><em>if_equation</em></a>:
<br><tt> </tt><strong>if</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><strong>then</strong><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#equation\" class=\"HREF\"><em>equation</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><strong>elseif</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><strong>then</strong><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#equation\" class=\"HREF\"><em>equation</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font><tt> </tt><font color=\"green\" size=\"+1\">}</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>else</strong><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#equation\" class=\"HREF\"><em>equation</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font><tt> </tt><font color=\"green\" size=\"+1\">]</font>
<br><tt> </tt><strong>end</strong><tt> </tt><strong>if</strong>
</p>
<p><a name=\"if_statement\" class=\"NAME\"><em>if_statement</em></a>:
<br><tt> </tt><strong>if</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><strong>then</strong><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#statement\" class=\"HREF\"><em>statement</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><strong>elseif</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><strong>then</strong><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#statement\" class=\"HREF\"><em>statement</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font><tt> </tt><font color=\"green\" size=\"+1\">}</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>else</strong><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#statement\" class=\"HREF\"><em>statement</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font><tt> </tt><font color=\"green\" size=\"+1\">]</font>
<br><tt> </tt><strong>end</strong><tt> </tt><strong>if</strong>
</p>
<p><a name=\"for_equation\" class=\"NAME\"><em>for_equation</em></a>:
<br><tt> </tt><strong>for</strong><tt> </tt><a href=\"#for_indices\" class=\"HREF\"><em>for_indices</em></a><tt> </tt><strong>loop</strong><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#equation\" class=\"HREF\"><em>equation</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font><tt> </tt><strong>end</strong><tt> </tt><strong>for</strong>
</p>
<p><a name=\"for_statement\" class=\"NAME\"><em>for_statement</em></a>:
<br><tt> </tt><strong>for</strong><tt> </tt><a href=\"#for_indices\" class=\"HREF\"><em>for_indices</em></a><tt> </tt><strong>loop</strong><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#statement\" class=\"HREF\"><em>statement</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font><tt> </tt><strong>end</strong><tt> </tt><strong>for</strong>
</p>
<p><a name=\"for_indices\" class=\"NAME\"><em>for_indices</em></a>:
<br><tt> </tt><a href=\"#for_index\" class=\"HREF\"><em>for_index</em></a><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#for_index\" class=\"HREF\"><em>for_index</em></a><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<p><a name=\"for_index\" class=\"NAME\"><em>for_index</em></a>:
<br><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>in</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<p><a name=\"while_statement\" class=\"NAME\"><em>while_statement</em></a>:
<br><tt> </tt><strong>while</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><strong>loop</strong><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#statement\" class=\"HREF\"><em>statement</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font><tt> </tt><strong>end</strong><tt> </tt><strong>while</strong>
</p>
<p><a name=\"when_equation\" class=\"NAME\"><em>when_equation</em></a>:
<br><tt> </tt><strong>when</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><strong>then</strong><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#equation\" class=\"HREF\"><em>equation</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><strong>elsewhen</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><strong>then</strong><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#equation\" class=\"HREF\"><em>equation</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font><tt> </tt><font color=\"green\" size=\"+1\">}</font>
<br><tt> </tt><strong>end</strong><tt> </tt><strong>when</strong>
</p>
<p><a name=\"when_statement\" class=\"NAME\"><em>when_statement</em></a>:
<br><tt> </tt><strong>when</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><strong>then</strong><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#statement\" class=\"HREF\"><em>statement</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><strong>elsewhen</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><strong>then</strong><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#statement\" class=\"HREF\"><em>statement</em></a><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">}</font><tt> </tt><font color=\"green\" size=\"+1\">}</font>
<br><tt> </tt><strong>end</strong><tt> </tt><strong>when</strong>
</p>
<p><a name=\"connect_clause\" class=\"NAME\"><em>connect_clause</em></a>:
<br><tt> </tt><strong>connect</strong><tt> </tt><font color=\"green\">\"</font><tt>(</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#component_reference\" class=\"HREF\"><em>component_reference</em></a><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#component_reference\" class=\"HREF\"><em>component_reference</em></a><tt> </tt><font color=\"green\">\"</font><tt>)</tt><font color=\"green\">\"</font>
</p>
<h5>Expression</h5>
<p><a name=\"expression\" class=\"NAME\"><em>expression</em></a>:
<br><tt> </tt><a href=\"#simple_expression\" class=\"HREF\"><em>simple_expression</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>if</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><strong>then</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><strong>elseif</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><strong>then</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">}</font>
<br><tt> </tt><strong>else</strong><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a>
</p>
<p><a name=\"simple_expression\" class=\"NAME\"><em>simple_expression</em></a>:
<br><tt> </tt><a href=\"#logical_expression\" class=\"HREF\"><em>logical_expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><font color=\"green\">\"</font><tt>:</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#logical_expression\" class=\"HREF\"><em>logical_expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><font color=\"green\">\"</font><tt>:</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#logical_expression\" class=\"HREF\"><em>logical_expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<p><a name=\"logical_expression\" class=\"NAME\"><em>logical_expression</em></a>:
<br><tt> </tt><a href=\"#logical_term\" class=\"HREF\"><em>logical_term</em></a><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><strong>or</strong><tt> </tt><a href=\"#logical_term\" class=\"HREF\"><em>logical_term</em></a><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<p><a name=\"logical_term\" class=\"NAME\"><em>logical_term</em></a>:
<br><tt> </tt><a href=\"#logical_factor\" class=\"HREF\"><em>logical_factor</em></a><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><strong>and</strong><tt> </tt><a href=\"#logical_factor\" class=\"HREF\"><em>logical_factor</em></a><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<p><a name=\"logical_factor\" class=\"NAME\"><em>logical_factor</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><strong>not</strong><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><a href=\"#relation\" class=\"HREF\"><em>relation</em></a>
</p>
<p><a name=\"relation\" class=\"NAME\"><em>relation</em></a>:
<br><tt> </tt><a href=\"#arithmetic_expression\" class=\"HREF\"><em>arithmetic_expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#relational_operator\" class=\"HREF\"><em>relational_operator</em></a><tt> </tt><a href=\"#arithmetic_expression\" class=\"HREF\"><em>arithmetic_expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<p><a name=\"relational_operator\" class=\"NAME\"><em>relational_operator</em></a>:
<br><tt> </tt><font color=\"green\">\"</font><tt><</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt><=</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>></tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>>=</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>==</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt><></tt><font color=\"green\">\"</font>
</p>
<p><a name=\"arithmetic_expression\" class=\"NAME\"><em>arithmetic_expression</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#add_operator\" class=\"HREF\"><em>add_operator</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><a href=\"#term\" class=\"HREF\"><em>term</em></a><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#add_operator\" class=\"HREF\"><em>add_operator</em></a><tt> </tt><a href=\"#term\" class=\"HREF\"><em>term</em></a><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<p><a name=\"add_operator\" class=\"NAME\"><em>add_operator</em></a>:
<br><tt> </tt><font color=\"green\">\"</font><tt>+</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>-</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>.+</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>.-</tt><font color=\"green\">\"</font>
</p>
<p><a name=\"term\" class=\"NAME\"><em>term</em></a>:
<br><tt> </tt><a href=\"#factor\" class=\"HREF\"><em>factor</em></a><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><a href=\"#mul_operator\" class=\"HREF\"><em>mul_operator</em></a><tt> </tt><a href=\"#factor\" class=\"HREF\"><em>factor</em></a><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<p><a name=\"mul_operator\" class=\"NAME\"><em>mul_operator</em></a>:
<br><tt> </tt><font color=\"green\">\"</font><tt>*</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>/</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>.*</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>./</tt><font color=\"green\">\"</font>
</p>
<p><a name=\"factor\" class=\"NAME\"><em>factor</em></a>:
<br><tt> </tt><a href=\"#primary\" class=\"HREF\"><em>primary</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><font color=\"green\" size=\"+1\">(</font><tt> </tt><font color=\"green\">\"</font><tt>^</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>.^</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">)</font><tt> </tt><a href=\"#primary\" class=\"HREF\"><em>primary</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<p><a name=\"primary\" class=\"NAME\"><em>primary</em></a>:
<br><tt> </tt><em>UNSIGNED_NUMBER</em>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><em>STRING</em>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>false</strong>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>true</strong>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#component_reference\" class=\"HREF\"><em>component_reference</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\" size=\"+1\">(</font><tt> </tt><a href=\"#component_reference\" class=\"HREF\"><em>component_reference</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>der</strong><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>initial</strong><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>pure</strong><tt> </tt><font color=\"green\" size=\"+1\">)</font><tt> </tt><a href=\"#function_call_args\" class=\"HREF\"><em>function_call_args</em></a>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>(</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#output_expression_list\" class=\"HREF\"><em>output_expression_list</em></a><tt> </tt><font color=\"green\">\"</font><tt>)</tt><font color=\"green\">\"</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>[</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#expression_list\" class=\"HREF\"><em>expression_list</em></a><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><font color=\"green\">\"</font><tt>;</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#expression_list\" class=\"HREF\"><em>expression_list</em></a><tt> </tt><font color=\"green\" size=\"+1\">}</font><tt> </tt><font color=\"green\">\"</font><tt>]</tt><font color=\"green\">\"</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><font color=\"green\">\"</font><tt>{</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#array_arguments\" class=\"HREF\"><em>array_arguments</em></a><tt> </tt><font color=\"green\">\"</font><tt>}</tt><font color=\"green\">\"</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>end</strong>
</p>
<p><a name=\"type_specifier\" class=\"NAME\"><em>type_specifier</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><font color=\"green\">\"</font><tt>.</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><a href=\"#name\" class=\"HREF\"><em>name</em></a>
</p>
<p><a name=\"name\" class=\"NAME\"><em>name</em></a>:
<br><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><font color=\"green\">\"</font><tt>.</tt><font color=\"green\">\"</font><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<p><a name=\"component_reference\" class=\"NAME\"><em>component_reference</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><font color=\"green\">\"</font><tt>.</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#array_subscripts\" class=\"HREF\"><em>array_subscripts</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><font color=\"green\">\"</font><tt>.</tt><font color=\"green\">\"</font><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#array_subscripts\" class=\"HREF\"><em>array_subscripts</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<p><a name=\"function_call_args\" class=\"NAME\"><em>function_call_args</em></a>:
<br><tt> </tt><font color=\"green\">\"</font><tt>(</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#function_arguments\" class=\"HREF\"><em>function_arguments</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\">\"</font><tt>)</tt><font color=\"green\">\"</font>
</p>
<p><a name=\"function_arguments\" class=\"NAME\"><em>function_arguments</em></a>:
<br><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#function_arguments_non_first\" class=\"HREF\"><em>function_arguments_non_first</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>for</strong><tt> </tt><a href=\"#for_indices\" class=\"HREF\"><em>for_indices</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>function</strong><tt> </tt><a href=\"#name\" class=\"HREF\"><em>name</em></a><tt> </tt><font color=\"green\">\"</font><tt>(</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#named_arguments\" class=\"HREF\"><em>named_arguments</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\">\"</font><tt>)</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#function_arguments_non_first\" class=\"HREF\"><em>function_arguments_non_first</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#named_arguments\" class=\"HREF\"><em>named_arguments</em></a>
</p>
<p><a name=\"function_arguments_non_first\" class=\"NAME\"><em>function_arguments_non_first</em></a>:
<br><tt> </tt><a href=\"#function_argument\" class=\"HREF\"><em>function_argument</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#function_arguments_non_first\" class=\"HREF\"><em>function_arguments_non_first</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#named_arguments\" class=\"HREF\"><em>named_arguments</em></a>
</p>
<p><a name=\"array_arguments\" class=\"NAME\"><em>array_arguments</em></a>:
<br><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#array_arguments_non_first\" class=\"HREF\"><em>array_arguments_non_first</em></a><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><strong>for</strong><tt> </tt><a href=\"#for_indices\" class=\"HREF\"><em>for_indices</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<p><a name=\"array_arguments_non_first\" class=\"NAME\"><em>array_arguments_non_first</em></a>:
<br><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#array_arguments_non_first\" class=\"HREF\"><em>array_arguments_non_first</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<p><a name=\"named_arguments\" class=\"NAME\"><em>named_arguments</em></a>:
<br><tt> </tt><a href=\"#named_argument\" class=\"HREF\"><em>named_argument</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#named_arguments\" class=\"HREF\"><em>named_arguments</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<p><a name=\"named_argument\" class=\"NAME\"><em>named_argument</em></a>:
<br><tt> </tt><em>IDENT</em><tt> </tt><font color=\"green\">\"</font><tt>=</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#function_argument\" class=\"HREF\"><em>function_argument</em></a>
</p>
<p><a name=\"function_argument\" class=\"NAME\"><em>function_argument</em></a>:
<br><tt> </tt><strong>function</strong><tt> </tt><a href=\"#name\" class=\"HREF\"><em>name</em></a><tt> </tt><font color=\"green\">\"</font><tt>(</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#named_arguments\" class=\"HREF\"><em>named_arguments</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\">\"</font><tt>)</tt><font color=\"green\">\"</font>
<br><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a>
</p>
<p><a name=\"output_expression_list\" class=\"NAME\"><em>output_expression_list</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<p><a name=\"expression_list\" class=\"NAME\"><em>expression_list</em></a>:
<br><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a><tt> </tt><font color=\"green\" size=\"+1\">}</font>
</p>
<p><a name=\"array_subscripts\" class=\"NAME\"><em>array_subscripts</em></a>:
<br><tt> </tt><font color=\"green\">\"</font><tt>[</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#subscript\" class=\"HREF\"><em>subscript</em></a><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><font color=\"green\">\"</font><tt>,</tt><font color=\"green\">\"</font><tt> </tt><a href=\"#subscript\" class=\"HREF\"><em>subscript</em></a><tt> </tt><font color=\"green\" size=\"+1\">}</font><tt> </tt><font color=\"green\">\"</font><tt>]</tt><font color=\"green\">\"</font>
</p>
<p><a name=\"subscript\" class=\"NAME\"><em>subscript</em></a>:
<br><tt> </tt><font color=\"green\">\"</font><tt>:</tt><font color=\"green\">\"</font><tt> </tt><font color=\"green\" size=\"+1\">|</font><tt> </tt><a href=\"#expression\" class=\"HREF\"><em>expression</em></a>
</p>
<p><a name=\"comment\" class=\"NAME\"><em>comment</em></a>:
<br><tt> </tt><a href=\"#string_comment\" class=\"HREF\"><em>string_comment</em></a><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><a href=\"#annotation_comment\" class=\"HREF\"><em>annotation_comment</em></a><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<p><a name=\"string_comment\" class=\"NAME\"><em>string_comment</em></a>:
<br><tt> </tt><font color=\"green\" size=\"+1\">[</font><tt> </tt><em>STRING</em><tt> </tt><font color=\"green\" size=\"+1\">{</font><tt> </tt><font color=\"green\">\"</font><tt>+</tt><font color=\"green\">\"</font><tt> </tt><em>STRING</em><tt> </tt><font color=\"green\" size=\"+1\">}</font><tt> </tt><font color=\"green\" size=\"+1\">]</font>
</p>
<p><a name=\"annotation_comment\" class=\"NAME\"><em>annotation_comment</em></a>:
<br><tt> </tt><strong>annotation</strong><tt> </tt><a href=\"#class_modification\" class=\"HREF\"><em>class_modification</em></a>
</p>
</body></html>"));
end ModelicaGrammar;
package Annotations "Annotations"
extends ModelicaReference.Icons.Information;
class absoluteValue "absoluteValue"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html>
<p>
A simple type or component of a simple type may have the annotation <code>absoluteValue</code>.
Note that this is only relevant for components of a few specific types.
</p>
<p>
If <code>false</code>, then the variable defines a relative quantity, and if <code>true</code> an absolute quantity.
</p>
<h4>Syntax</h4>
<blockquote><pre>
<strong>annotation</strong>\"(\" absoluteValue \"=\" ( <strong>false</strong> | <strong>true</strong> ) \")
</pre></blockquote>
<h4>Description</h4>
<p>
When converting between units (in the user-interface for plotting and entering parameters), the offset must be ignored, for a variable defined with annotation <code>absoluteValue = false</code>.
</p>
<h4>Example usage</h4>
<p>
This annotation is used in the Modelica Standard Library for example in <a href=\"modelica://Modelica.Units.SI\">Modelica.Units.SI</a> for the type definition TemperatureDifference.
</p>
</html>"));
end absoluteValue;
class choices "choices"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html>
<p>
Define graphical layout of choices in a parameter menu
</p>
<h4>Description</h4>
<p>
A declaration can have an annotation <code>choices</code> containing modifiers on choice, where each of them indicates a suitable redeclaration or modifications of the element.
This is a hint for users of the model, and can also be used by the user interface to suggest reasonable redeclaration, where the string comments on the choice declaration can be used as textual explanations of the choices. The annotation is not restricted to replaceable elements but can also be applied to non-replaceable elements, enumeration types, and simple variables.
</p>
<p>
For a Boolean variable, a <code>choices</code> annotation may contain the definition <code>checkBox = true</code>, meaning to display a checkbox to input the values <code>false</code> or <code>true</code> in the graphical user interface.
</p>
<h4>Examples</h4>
<blockquote><pre>
<strong>replaceable model</strong> MyResistor=Resistor
<strong>annotation</strong>(choices(
choice(redeclare MyResistor=lib2.Resistor(a={2}) \"...\"),
choice(redeclare MyResistor=lib2.Resistor2 \"...\")));
<strong>replaceable</strong> Resistor Load(R=2) constrainedby TwoPin
<strong>annotation</strong>(choices(
choice(redeclare lib2.Resistor Load(a={2}) \"...\"),
choice(redeclare Capacitor Load(L=3) \"...\")));
<strong>replaceable</strong> FrictionFunction a(func=exp) constrainedby Friction
<strong>annotation</strong>(choices(
choice(redeclare ConstantFriction a(c=1) \"...\"),
choice(redeclare TableFriction a(table=\"...\") \"...\"),
choice(redeclare FunctionFriction a(func=exp) \"...\"))));
<strong>type</strong> KindOfController=Integer(min=1,max=3)
<strong>annotation</strong>(choices(
choice=1 \"P\",
choice=2 \"PI\",
choice=3 \"PID\"));
<strong>model</strong> A
KindOfController x;
<strong>end</strong> A;
A a(x=3 \"PID\");
</pre></blockquote>
<p>
It can also be applied to Boolean variables to define a check box:
</p>
<blockquote><pre>
<strong>parameter</strong> Boolean useHeatPort=false <strong>annotation</strong>(choices(checkBox=true));
</pre></blockquote>
</html>"));
end choices;
class choicesAllMatching "choicesAllMatching"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html>
<p>
Automatically display a list of matching choices in a graphical parameter menu.
</p>
<h4>Description</h4>
<p>
Choices menus of replaceable elements can be automatically constructed showing the names of all classes that are either directly or indirectly derived by inheritance from the constraining class of the declaration.
</p>
<p>
This can be recommended by having <code><strong>annotation</strong> choicesAllMatching = true;</code> and disabled by having <code><strong>annotation</strong> choicesAllMatching = false;</code>.
</p>
<h4>Examples</h4>
<blockquote><pre>
<strong>replaceable package</strong> Medium = Modelica.Media.Water.ConstantPropertyLiquidWater
<strong>constrainedby</strong> Modelica.Media.Interfaces.PartialMedium
<strong>annotation</strong> (choicesAllMatching=true);
</pre></blockquote>
</html>"));
end choicesAllMatching;
class dateModified "dateModified"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html>
<p>UTC date and time of the latest change to the package in the following format (with one space between date and time):<br>
<code>YYYY-MM-DD hh:mm:ssZ</code></p>
<h4>Syntax</h4>
<blockquote><pre>
<strong>annotation</strong>"(" dateModified "=" STRING ")"
</pre></blockquote>
<h4>Description</h4>
<p>
“<code>dateModified</code>” is the UTC date and time (according to <a href=\"http://en.wikipedia.org/wiki/ISO_8601\">ISO 8601</a>) of the last modification of the package.
<em>The intention is that a Modelica tool updates this annotation whenever the package or part of it was modified and is saved on persistent storage (like file or database system).</em>
</p>
<h4>Examples</h4>
<blockquote><pre>
<strong>package</strong> Modelica
<strong>annotation</strong>(version = "3.0.1",
versionDate = "2008-04-10",
<em>dateModified = "2009-02-15 16:33:14Z"</em>,
revisionId = "c04e23a0d 2018-08-01 12:00:00 +0200");
...
<strong>end</strong> Modelica;
</pre></blockquote>
<h5>Related annotations</h5>
<ul>
<li><a href=\"modelica://ModelicaReference.Annotations.revisionId\">revisionId</a></li>
<li><a href=\"modelica://ModelicaReference.Annotations.uses\">uses</a></li>
<li><a href=\"modelica://ModelicaReference.Annotations.version\">version</a></li>
<li><a href=\"modelica://ModelicaReference.Annotations.versionDate\">versionDate</a></li>
</ul>
</html>"));
end dateModified;
class defaultComponentName "defaultComponentName"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html>
<p>
Default name when dragging component
</p>
<h4>Syntax</h4>
<blockquote><pre> <strong>annotation</strong>\"(\" defaultComponentName \"=\" STRING \")\"
</pre></blockquote>
<h4>Description</h4>
<p>
When creating a component of the given class, the recommended component name is the
given string.
</p>
</html>"));
end defaultComponentName;
class defaultComponentPrefixes "defaultComponentPrefixes"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html>
<p>
Default prefixes when dragging component
</p>
<h4>Examples</h4>
<blockquote><pre><strong>annotation</strong>(defaultComponentPrefixes=\"inner\",
defaultComponentName=\"world\")
</pre></blockquote>
<h4>Syntax</h4>
<blockquote><pre> <strong>annotation</strong>\"(\" defaultComponentPrefixes \"=\" STRING \")\"
</pre></blockquote>
<h4>Description</h4>
<p>
The following prefixes may be included in the string prefixes: inner, outer, replaceable, constant, parameter, discrete. In combination with defaultComponentName it can be used to make it easy for users to create inner components matching the outer declarations.
</p>
</html>"));
end defaultComponentPrefixes;
class defaultConnectionStructurallyInconsistent
"defaultConnectionStructurallyInconsistent"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html>
<p>
A model or block definition may contain the annotation <code>defaultConnectionStructurallyInconsistent</code>.
</p>
<h4>Syntax</h4>
<blockquote><pre>
<strong>annotation</strong>\"(\" defaultConnectionStructurallyInconsistent \"=\" ( <strong>false</strong> | <strong>true</strong> ) \")
</pre></blockquote>
<h4>Description</h4>
<p>
If <code>true</code>, it is stated that a default connection will result in a structurally inconsistent <code>model</code> or <code>block</code>.
A \"default connection\" is constructed by instantiating the respective <code>model</code> or <code>block</code> and for every input <code>u</code> providing an equation <code>0=f(u)</code>, and for every (potential,flow) pair of the form <code>(v,i)</code>, providing an equation of the form <code>0=f(v,i)</code>.
</p>
<h4>Example usage</h4>
<p>
It is useful to check all models/blocks of a Modelica package in a simple way. One check is to default connect every model/block and to check whether the resulting class is structurally consistent (= a stronger requirement as \"balanced\").
</p>
<p>
It is rarely needed; but can be used for InverseBlockConstraints, in order to prevent a wrong error message.
Additionally, when a user defined model is structurally inconsistent, a tool should try to pinpoint in which class the error is present.
This annotation avoids then to show a wrong error message.
</p>
</html>"));
end defaultConnectionStructurallyInconsistent;
class derivative "derivative"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html>
<p>
Define derivative of function
</p>
<h4>Examples</h4>
<blockquote><pre><strong>function</strong> foo0 <strong>annotation</strong>(derivative=foo1); <strong>end</strong> foo0;
<strong>function</strong> foo1 <strong>annotation</strong>(derivative(order=2)=foo2); <strong>end</strong> foo1;
<strong>function</strong> foo2 <strong>end</strong> foo2;
</pre></blockquote>
<h4>Description</h4>
<p>
Derivatives of functions can be declared explicitly using the derivative annotation, whereas a function can be defined as a partial derivative of another function using the der-operator in a short function definition.
</p>
<p>
A function declaration can have an annotation derivative specifying the derivative function. This can influence simulation time and accuracy and can be applied to both functions written in Modelica and to external functions. A derivative annotation can state that it is only valid under certain restrictions on the input arguments. These restrictions are defined using the following optional attributes: order (only a restriction if order > 1, the default for order is 1), noDerivative, and zeroDerivative. The given derivative-function can only be used to compute the derivative of a function call if these restrictions are satisfied. There may be multiple restrictions on the derivative, in which case they must all be satisfied. The restrictions also imply that some derivatives of some inputs are excluded from the call of the derivative (since they are not necessary). A function may supply multiple derivative functions subject to different restrictions.
</p>
<p>
The inputs to the derivative function of order 1 are constructed as follows:
</p>
<ul>
<li> First are all inputs to the original function, and after all them we will
in order append one derivative for each input containing reals.<br> </li>
<li> The outputs are constructed by starting with an empty list and then in
order appending one derivative for each output containing reals.<br> </li>
<li> If the Modelica function call is a nth derivative (n>=1), i.e., this
function call has been derived from an (n-1)th derivative, an
annotation(order=n+1)=?, specifies the (n+1)th derivative, and the
(n+1)th derivative call is constructed as follows:<br> </li>
<li> The input arguments are appended with the (n+1)th derivative,
which are constructed in order from the nth order derivatives.<br> </li>
<li> The output arguments are similar to the output argument for the
nth derivative, but each output is one higher in derivative order.</li>
</ul>
<p>
Example: Given the declarations
</p>
<blockquote><pre> function foo0
...
input Real x;
input Boolean linear;
input ...;
output Real y;
...
annotation(derivative=foo1);
end foo0;
function foo1
...
input Real x;
input Boolean linear;
input ...;
input Real der_x;
...
output Real der_y;
...
annotation(derivative(order=2)=foo2);
end foo1;
function foo2
...
input Real x;
input Boolean linear;
input ...;
input Real der_x;
...;
input Real der_2_x;
...
output Real der_2_y;
...
</pre></blockquote>
<p>
the equation
</p>
<blockquote><pre>(...,y(t),...)=foo0(...,x(t),b,...);
</pre></blockquote>
<p>
implies that:
</p>
<blockquote><pre>(...,d y(t)/dt,...)=foo1(...,x(t),b,..., ...,d x(t)/dt,...);
(...,d^2 y(t)/dt^2,...)=foo2(...,x(t),b,...,d x(t)/dt,..., ...,d^2 x(t)/dt^2,...);
</pre></blockquote>
<p>
An input or output to the function may be any simple type (Real, Boolean, Integer, String and enumeration types) or a record, provided the record does not contain both reals and non-reals predefined types. The function must have at least one input containing reals. The output list of the derivative function may not be empty.
</p>
<ul>
<li> zeroDerivative=input_var1<br>
The derivative function is only valid if input_var1 is independent
of the variables the function call is differentiated with respect to
(i.e., that the derivative of input_var1 is \"zero\").
The derivative of input_var1 is excluded from the argument list of the derivative-function.
Assume that function f takes a matrix and a scalar. Since the matrix argument is
usually a parameter expression it is then useful to define the function
as follows (the additional derivative = f_general_der is optional and
can be used when the derivative of the matrix is non-zero).
<blockquote><pre>function f \"Simple table lookup\"
input Real x;
input Real y[:, 2];
output Real z;
annotation(derivative(zeroDerivative=y) = f_der,
derivative=f_general_der);
algorithm
...
end f;
function f_der \"Derivative of simple table lookup\"
input Real x;
input Real y[:, 2];
input Real x_der;
output Real z_der;
algorithm
...
end f_der;
function f_general_der \"Derivative of table lookup taking into account varying tables\"
input Real x;
input Real y[:, 2];
input Real x_der;
input Real y_der[:, 2];
output Real z_der;
algorithm
...
end f_general_der;
</pre></blockquote></li>
<li> noDerivative(input_var2 = f(input_var1, ...) )<br>
The derivative function is only valid if the input argument input_var2
is computed as f(input_var1, ...). The derivative of input_var2
is excluded from the argument list of the derivative-function.
Assume that function fg is defined as a composition f(x, g(x)).
When differentiating f it is useful to give the derivative under the
assumption that the second argument is defined in this way:
<blockquote><pre>function fg
input Real x;
output Real z;
algorithm
z := f(x, g(x));
end fg;
function f
input Real x;
input Real y;
output Real z;
annotation(derivative(noDerivative=y) = f_der);
algorithm
...
end f;
function f_der
input Real x;
input Real x_der;
input Real y;
output Real z_der;
algorithm
...
end f_der;
</pre></blockquote>
This is useful if g represents the major computational effort of fg).</li>
</ul>
</html>"));
end derivative;
class Dialog "Dialog"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html>
<p>
Define graphical layout of the parameter menu.
</p>
<h4>Syntax</h4>
<blockquote><pre><strong>annotation</strong>(<strong>Dialog</strong>(<strong>enable</strong> = true,
<strong>tab</strong> = \"General\",
<strong>group</strong> = \"Parameters\",
<strong>showStartAttribute</strong> = false,
<strong>colorSelector</strong> = false,
<strong>groupImage</strong> = \"modelica://MyPackage/Resources/Images/image.png\",
<strong>connectorSizing</strong> = false));
</pre></blockquote>
<h4>Description</h4>
<p>
The annotations <strong><code>tab</code></strong> and <strong><code>group</code></strong> define the placement of the component or of variables in a dialog with optional tab and group specification. If <code><strong>enable</strong> = false</code>, the input field may be disabled [and no input can be given]. If <code><strong>showStartAttribute</strong> = true</code> the dialog should allow the user to set the start-value and the fixed attribute for the variable instead of the value-attribute [this is primarily intended for non-parameter values and avoids introducing a separate parameter for the start-value of the variable].
</p>
<p>
If <code>colorSelector=true</code>, it indicates that an rgb-value selector can be presented for a vector of three elements and generate values <code>0..255</code> (the annotation should be usable both for vectors of Integers and Reals).
</p>
<p>
The annotation <strong><code>groupImage</code></strong> references an image using an Modelica URI, and the image is intended to be shown together with the parameter-group (only one image per group is supported). Disabling the input field will not disable the image.
</p>
<p>
The value of the <strong><code>connectorSizing</code></strong> annotation must be a literal false or true value [since if the value is an expression, the <code>connectorSizing</code> functionality is conditional and this will then lead easily to wrong models]. If <code>connectorSizing = false</code>, this annotation has no effect. If <code>connectorSizing = true</code>, the corresponding variable must be declared with the parameter prefix, must be a subtype of a scalar Integer and must have a literal default value of zero [since this annotation is designed for a parameter that is used as vector dimension and the dimension of the vector should be zero when the component is dragged or redeclared; furthermore, when a tool does not support the connectorSizing annotation, dragging will still result in a correct model].
If <code>connectorSizing = true</code>, a tool may set the parameter value in a modifier automatically, if used as dimension size of a vector of connectors. [The <code>connectorSizing</code> annotation is used in cases where connections to a vector of connectors shall be made and a new connection requires to resize the vector and to connect to the new index (unary connections). The annotation allows a tool to perform these two actions in many cases automatically. This is, e.g., very useful for state machines and for certain components of fluid libraries.]
</p>
<p>
Annotation \"Dialog\" is defined as:
</p>
<blockquote><pre><strong>record</strong> Dialog
<strong>parameter</strong> String tab = \"General\";
<strong>parameter</strong> String group = \"Parameters\";
<strong>parameter</strong> String groupImage = \"\";
<strong>parameter</strong> Boolean enable = <strong>true</strong>;
<strong>parameter</strong> Boolean showStartAttribute = <strong>false</strong>;
<strong>parameter</strong> Boolean connectorSizing = <strong>false</strong>;
<strong>parameter</strong> Boolean colorSelector = <strong>false</strong>;
<strong>parameter</strong> Selector loadSelector;
<strong>parameter</strong> Selector saveSelector;
<strong>end</strong> Dialog;
<strong>record</strong> Selector
<strong>parameter</strong> String filter=\"\";
<strong>parameter</strong> String caption=\"\";
<strong>end</strong> Selector;
</pre></blockquote>
<h4>Examples</h4>
<p>
A parameter dialog is a sequence of tabs with a sequence of groups inside them.
</p>
<p>
A <code>Selector</code> displays a file dialog to select a file: Parameter <code>filter</code> only shows files that fulfill the given pattern defined by \"<code>text1 (*.ext1);;text2 (*.ext2);</code>\" to show only files with file extension <code>*.ext1</code> or <code>*.ext2</code> and displaying a description text \"<code>text1</code>\" and \"<code>text2</code>\", respectively. Parameter caption is the text displayed in the dialog menu. Parameter <code>loadSelector</code> is used to select an existing file for reading, whereas parameter <code>saveSelector</code> is used to define a file for writing.
</p>
<blockquote><pre><strong>model</strong> DialogDemo
<strong>parameter</strong> Boolean b = true \"Boolean parameter\";
<strong>parameter</strong> Modelica.Units.SI.Length length \"Real parameter with unit\";
<strong>parameter</strong> Integer nInports=0 annotation(Dialog(connectorSizing=true));
<strong>parameter</strong> Real r1 \"Real parameter in Group 1\" annotation(Dialog(group=\"Group 1\"));
<strong>parameter</strong> Real r2 \"Disabled Real parameter in group 1\"
<strong>annotation</strong>(<strong>Dialog</strong>(<strong>group</strong>=\"Group 1\", <strong>enable</strong> = <strong>not</strong> b));
<strong>parameter</strong> Real r3 \"Real parameter in Tab 1\" <strong>annotation</strong>(<strong>Dialog</strong>(<strong>tab</strong>=\"Tab 1\"));
<strong>parameter</strong> Real r4 \"Real parameter in Tab 1 and Group 2\"
<strong>annotation</strong>(<strong>Dialog</strong>(<strong>tab</strong>=\"Tab 1\", <strong>group</strong>=\"Group 2\"));
StepIn stepIn[nInports];
...
<strong>end</strong> DialogDemo;
</pre></blockquote>
</html>"));
end Dialog;
class Documentation "Documentation"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html>
<p>
Annotations for documentation
</p>
<h4>Syntax</h4>
<blockquote><pre>
documentation_annotation:
<strong>annotation</strong>\"(\" Documentation \"(\" \"info\" \"=\" STRING
[\",\" \"revisions\" \"=\" STRING ] \")\" \")\"
</pre></blockquote>
<h4>Description</h4>
<p>
The \"Documentation\" annotation can contain the \"info\" annotation giving a textual description, the \"revisions\" annotation giving a list of revisions and other annotations defined by a tool [The \"revisions\" documentation may be omitted in printed documentation]. How the tool interprets the information in \"Documentation\" is unspecified. Within a string of the \"Documentation\" annotation, the tags <HTML> and </HTML> or <html> and </html> define the start and end of content that is HTML encoded. Links to Modelica classes may be defined with the HTML link command using scheme \"Modelica\", e.g.,
</p>
<blockquote><pre>
<a href=\"modelica://ExamplePackage.Tutorial\">ExamplePackage.Tutorial</a>
</pre></blockquote>
<p>
Together with scheme \"Modelica\" the (URI) fragment specifiers #diagram, #info, #text, #icon may be used to reference different layers. Example:
</p>
<blockquote><pre>
<a href=\"modelica://ExamplePackage.SimpleModel#info\">SimpleModel</a>
</pre></blockquote>
</html>"));
end Documentation;
class DocumentationClass "DocumentationClass"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html>
<p>
Annotation for defining documentation classes
</p>
<h4>Syntax</h4>
<blockquote><pre>documentation class_annotation:
<strong>annotation</strong>\"(\" DocumentationClass \"=\" <strong>true</strong> \")\"
</pre></blockquote>
<h4>Description</h4>
<p>
Only allowed as class annotation on any kind of class and implies that this class and all
classes within it are treated as having the annotation preferredView=\"info\".
If the annotation preferredView is explicitly set for a class, it has precedence over
a DocumentationClass annotation.
</p>
<p><em>
[A tool may display such classes in special ways. For example, the
description texts of the classes might be displayed instead of the class
names, and if no icon is defined, a special information default icon may be
displayed in the package browser.]
</em></p>
</html>"));
end DocumentationClass;
class DynamicSelect "DynamicSelect"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html>
<p>
Define schematic animation of diagram layer
</p>
<h4>Examples</h4>
<p>
The level of a tank is animated by a rectangle expanding in vertical direction and its color depending on a variable overflow:
</p>
<blockquote><pre><strong>annotation</strong>(
Icon(graphics={Rectangle(
extent=<strong>DynamicSelect</strong>({{0,0},{20,20}},{{0,0},{20,level}}),
fillColor=<strong>DynamicSelect</strong>({0,0,255},
<strong>if</strong> overflow <strong>then</strong> {255,0,0} <strong>else</strong> {0,0,255}))}
);
</pre></blockquote>
<h4>Description</h4>
<p>
Any value (coordinates, color, text, etc.) in graphical annotations can be dependent on class variables using the DynamicSelect expression. DynamicSelect has the syntax of a function call with two arguments, where the first argument specifies the value of the editing state and the second argument the value of the non-editing state. The first argument must be a literal expression
and this value is used for the annotation when editing and/or browsing the diagram layer.
The second argument may contain references to variables to enable a dynamic behavior
and the actual value is used for the annotation for schematic animation
of the diagram layer, e.g., after a simulation.
</p>
</html>"));
end DynamicSelect;
class Evaluate "Evaluate"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html>
<p>
Annotation for code generation (evaluate parameter value)
</p>
<h4>Syntax</h4>
<blockquote><pre> <strong>annotation</strong>\"(\" Evaluate \"=\" ( <strong>false</strong> | <strong>true</strong> ) \")
</pre></blockquote>
<h4>Description</h4>
<p>
The annotation Evaluate can occur in the component declaration, its type declaration, or a base-class of the type-declaration.
In the case of multiple conflicting annotations it is handled similarly to modifiers (e.g., an Evaluate-annotation on the component declaration takes precedence).
The annotation Evaluate only has effect for a component declared with the prefix <code>parameter</code>.
</p>
<p>
If Evaluate = true, the model developer proposes to utilize the value for the symbolic processing. In that case, it is not possible to change the parameter value after symbolic pre-processing.
</p>
<p>
If Evaluate = false, the model developer proposes to not utilize the value of the corresponding parameter for the symbolic processing.
</p>
<p>
Evaluate is for example used for axis of rotation parameters in the Modelica.Mechanics.MultiBody library in order to improve the efficiency of the generated code
</p>
</html>"));
end Evaluate;
class experiment "experiment"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html>
<p>
Define default experiment parameters
</p>
<h4>Examples</h4>
<blockquote><pre><strong>annotation</strong>(experiment(StartTime=0, StopTime=5, Tolerance=1e-6))
</pre></blockquote>
<h4>Syntax</h4>
<blockquote><pre>experiment_annotation:
<strong>annotation</strong>\"(\" \"experiment\" \"(\" [experimentOption] {, experimentOption}] \")\"
experimentOption:
StartTime \"=\" [\"+\" | \"-\"] UNSIGNED_NUMBER |
StopTime \"=\" [\"+\" | \"-\"] UNSIGNED_NUMBER |
Interval \"=\" UNSIGNED_NUMBER
Tolerance \"=\" UNSIGNED_NUMBER
</pre></blockquote>
<h4>Description</h4>
<p>
The experiment annotation defines the default start time (<code>StartTime</code>) in [s], the default stop time (<code>StopTime</code>) in [s], the suitable time resolution for the result grid (<code>Interval</code>) in [s], and the default relative integration tolerance (<code>Tolerance</code>) for simulation experiments to be carried out with the model or block at hand.
</p>
</html>"));
end experiment;
class HideResult "HideResult"
extends ModelicaReference.Icons.Information;
annotation (Documentation(info="<html>
<p>
Annotation for code generation (hide result)
</p>
<h4>Syntax</h4>
<blockquote><pre> <strong>annotation</strong>\"(\" HideResult \"=\" ( <strong>false</strong> | <strong>true</strong> ) \")
</pre></blockquote>