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Modelica language support #1122 (#1129)
Add XML lexer and test files for Modelica language support
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‎lexers/embedded/modelica.xml‎

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<lexer>
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<config>
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<name>Modelica</name>
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<alias>modelica</alias>
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<filename>*.mo</filename>
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<mime_type>text/x-modelica</mime_type>
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<dot_all>true</dot_all>
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<ensure_nl>true</ensure_nl>
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</config>
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<rules>
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<state name="root">
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<!-- Comments -->
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<rule pattern="//[^\n\r]*">
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<token type="CommentSingle"/>
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</rule>
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<rule pattern="/[*].*?[*]/">
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<token type="CommentMultiline"/>
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</rule>
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<!-- Whitespace and newlines -->
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<rule pattern="\s+">
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<token type="Text"/>
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</rule>
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<rule pattern="\n">
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<token type="Text"/>
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</rule>
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<!-- Keywords (Modelica specific) -->
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<rule pattern="\b(model|equation|end|extends|function|type|record|connector|parameter|constant|if|then|else|for|in|when|assert|outer|algorithm|flow|discrete|input|output|loop|elseif|return|public|protected|external|real|integer|boolean|string|array|complex|union|tuple|class|der|time|tstart|tstop)\b">
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<token type="Keyword"/>
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</rule>
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<!-- Type definitions -->
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<rule pattern="\b(boolean|integer|real|string|array|record|complex|union|tuple)\b">
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<token type="KeywordType"/>
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</rule>
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<!-- Preprocessor directives -->
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<rule pattern="#[ \t]*(if|else|endif|define|include|error)\b">
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<token type="CommentPreproc"/>
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</rule>
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<!-- Literals -->
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<rule pattern="\\&quot;[^&quot;\n]*\\&quot;">
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<token type="LiteralString"/>
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</rule>
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<rule pattern="'[^'\n]'">
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<token type="LiteralStringChar"/>
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</rule>
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<rule pattern="\d+(\.\d+)?([eE][+-]?\d+)?">
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<token type="LiteralNumber"/>
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</rule>
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<!-- Identifiers and names -->
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<rule pattern="@[A-Za-z_]\w*">
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<token type="Name"/>
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</rule>
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<rule pattern="[A-Za-z_]\w*">
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<token type="Name"/>
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</rule>
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<!-- Punctuation -->
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<rule pattern="[{}(),;=.+\-*/&amp;|!&lt;&gt;^%]">
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<token type="Punctuation"/>
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</rule>
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<!-- Operators -->
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<rule pattern="(\+|\-|\*|\/|\^|\&amp;|\||\&lt;|\&gt;|\%|\=|\!=|\&lt;\=|\&gt;\=)">
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<token type="Operator"/>
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</rule>
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</state>
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<state name="function">
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<!-- Function name -->
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<rule pattern="[A-Za-z_]\w*">
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<token type="NameFunction"/>
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<pop depth="1"/>
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</rule>
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<rule>
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<pop depth="1"/>
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</rule>
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</state>
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<state name="type">
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<!-- Type definition -->
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<rule pattern="[A-Za-z_]\w*">
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<token type="NameClass"/>
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<pop depth="1"/>
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</rule>
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<rule>
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<pop depth="1"/>
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</rule>
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</state>
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<state name="record">
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<!-- Record definition -->
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<rule pattern="[A-Za-z_]\w*">
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<token type="NameClass"/>
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<pop depth="1"/>
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</rule>
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<rule>
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<pop depth="1"/>
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</rule>
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</state>
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</rules>
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</lexer>

‎lexers/testdata/modelica.actual‎

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within TestKeywords;
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package TestKeywords
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// -----------------------------------------
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// Basic classes and types
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// -----------------------------------------
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record MyRecord
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parameter Real r = 1.0; // 'parameter', 'Real'
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Integer i; // 'Integer'
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end MyRecord; // 'record', 'end'
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connector MyConnector
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flow Real f; // 'connector', 'flow', 'Real'
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stream String s; // 'stream', 'String'
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input Real inVar; // 'input'
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output Real outVar; // 'output'
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end MyConnector;
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type MyType = Real; // 'type', 'Real'
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// -----------------------------------------
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// Reserved words
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// -----------------------------------------
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model FullModel
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extends TestKeywords; // 'extends'
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inner MyConnector mc; // 'inner'
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outer MyConnector mcOuter; // 'outer'
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constant Real c = 3.14; // 'constant', 'Real'
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public Real pubVar; // 'public'
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protected Real protVar; // 'protected'
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discrete Integer dInt; // 'discrete', 'Integer'
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Boolean flag = true; // 'Boolean', 'true'
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Boolean off = false; // 'false'
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parameter Integer p = 2; // 'parameter', 'Integer'
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MyRecord rec; // 'record'
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input Real inputVar; // 'input'
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output Real outputVar; // 'output'
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Real arr[2]; // arrays (no keyword)
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equation
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der(inputVar) = -p * inputVar + c; // 'der'
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when time > 1.0 then // 'when', 'then'
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outputVar = inputVar * 2.0;
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end when; // 'end' (when)
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// Ejemplos de funciones matemáticas comunes
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Real minVal = Modelica.Math.min(inputVar, outputVar);
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Real maxVal = Modelica.Math.max(inputVar, outputVar);
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Real absVal = abs(inputVar);
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Real sinVal = sin(inputVar);
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Real cosVal = cos(inputVar);
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Real tanVal = tan(inputVar);
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Real expVal = exp(inputVar);
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Real logVal = log(inputVar);
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Real sqrtVal = sqrt(inputVar);
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end FullModel;
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// -----------------------------------------
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// Functions, operators, and control flow
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// -----------------------------------------
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function myFunc
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input Real x; // 'input'
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output Real y; // 'output'
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algorithm
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if x > 0 then // 'if', 'then'
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y := x;
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elseif x < 0 then // 'elseif', 'then'
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y := -x;
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else // 'else'
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y := 0;
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end if; // 'end' (if)
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end myFunc; // 'end', 'function'
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operator function addOp "operator example"
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input Real a;
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input Real b;
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output Real r;
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algorithm
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r := a + b;
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return; // 'return'
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end addOp; // 'operator', 'function', 'return'
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impure function impureFunc
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input Real x;
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output Real y;
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algorithm
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y := x + rand(); // 'impure'
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end impureFunc; // 'impure', 'function'
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// -----------------------------------------
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// Algorithm with loop / for / while / break
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// -----------------------------------------
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model AlgoModel
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Real sum;
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algorithm
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sum := 0;
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for i in 1:10 loop // 'for', 'in', 'loop'
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if i == 5 then
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break; // 'break'
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end if; // 'end' (if)
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sum := sum + i;
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end for; // 'end' (for)
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while sum < 10 loop // 'while', 'loop'
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sum := sum + 1;
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end while; // 'end' (while)
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end AlgoModel;
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// -----------------------------------------
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// Package, encapsulated, import, partial, final
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// -----------------------------------------
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package InnerPackage encapsulated
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import Modelica.Math; // 'import'
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partial model AbstractModel // 'partial'
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end AbstractModel;
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model Concrete final // 'final'
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end Concrete;
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end InnerPackage;
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// -----------------------------------------
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// Use of connect, constrainedby, expandable, protected, public
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// -----------------------------------------
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model ConnExample
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MyConnector c1, c2;
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MyRecord r1;
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equation
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connect(c1, c2); // 'connect'
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end ConnExample;
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// -----------------------------------------
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// Redeclare / replaceable / constrainedby
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// -----------------------------------------
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model RedeclareExample
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replaceable model M = FullModel; // 'replaceable'
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redeclare model R = FullModel; // 'redeclare'
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constrainedby MyRecord cb; // 'constrainedby'
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end RedeclareExample;
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// -----------------------------------------
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// External, annotation, within usage
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// -----------------------------------------
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function externalExample
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input Real x;
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output Real y;
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external "C" y = "c_func"(x); // 'external'
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end externalExample;
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// -----------------------------------------
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// Operator/flow/pure/each/annotation/initial/expandable/type/true/false
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// -----------------------------------------
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model Misc
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pure function pureFunc
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input Real a;
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output Real b;
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algorithm
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b := a * 2;
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end pureFunc; // 'pure'
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each Integer eachVar[2]; // 'each', 'Integer'
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expandable model ExpModel // 'expandable'
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end ExpModel;
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initial equation // 'initial'
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; // empty initial equation
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end Misc;
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// -----------------------------------------
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// When / elsewhen / then / return example
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// -----------------------------------------
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model WhenExample
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Real x;
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equation
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when x > 1 then // 'when', 'then'
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x = 2;
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elsewhen x < -1 then // 'elsewhen'
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x = -2;
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end when;
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end WhenExample;
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// -----------------------------------------
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// Classes and additional language keywords
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// -----------------------------------------
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class MyClass
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end MyClass; // 'class'
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encapsulated package MoreKeywords encapsulated
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final model FinalModel end FinalModel; // 'final'
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partial model PartialModel end PartialModel;// 'partial'
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expandable model ExpandableModel end ExpandableModel; // 'expandable'
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import Modelica.Constants; // 'import'
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end MoreKeywords;
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model VarTypes
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constant Real cReal = 3.14; // 'constant', 'Real'
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parameter Integer pInt = 10; // 'parameter', 'Integer'
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discrete Boolean dBool = true; // 'discrete', 'Boolean'
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enumeration Choices = {first, second}; // 'enumeration'
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end VarTypes;
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// -----------------------------------------
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// Example of annotation with graphical icons
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// -----------------------------------------
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model IconExample
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Real x;
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annotation (
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Icon =
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graphics = {
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// Línea simple
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line(
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origin={0,0},
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points={{-100,0},{100,0}},
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color={255,0,0},
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thickness=2
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),
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// Polígono cerrado
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polygon(
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origin={0,0},
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points={{-50,50},{50,50},{0,-50}},
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fillColor={0,255,0},
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pattern=LinePattern.Solid
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),
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// Elipse
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ellipse(
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origin={0,0},
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extent={{-20,-10},{20,10}},
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fillColor={0,0,255},
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lineColor={0,0,0}
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),
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// Texto
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text(
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origin={0,60},
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string="Ejemplo de icono",
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fontSize=12,
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color={0,0,0}
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),
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// dynamicSelect con opciones
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dynamicSelect(
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origin={0,-60},
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extent={{-30,-20},{30,20}},
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choices={"Opción1", "Opción2", "Opción3"},
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selected=1
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)
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}
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);
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end IconExample;
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end TestKeywords;

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