Add a trivial Modelica syntax highlighter

Author: atrosinenko

src/main/java/net/sourceforge/pmd/util/fxdesigner/util/codearea/AvailableSyntaxHighlighters.java

@@ -13,6 +13,7 @@
 import net.sourceforge.pmd.lang.Language;
 import net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.ApexSyntaxHighlighter;
 import net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.JavaSyntaxHighlighter;
+import net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.ModelicaSyntaxHighlighter;
 import net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.ScalaSyntaxHighlighter;
 import net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.XPathSyntaxHighlighter;
 import net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.XmlSyntaxHighlighter;
@@ -35,7 +36,8 @@ public enum AvailableSyntaxHighlighters implements SyntaxHighlighter {
     XSL("xsl", new XmlSyntaxHighlighter()),
     WSDL("wsdl", new XmlSyntaxHighlighter()),
     POM("pom", new XmlSyntaxHighlighter()),
-    XPATH("xpath", new XPathSyntaxHighlighter());
+    XPATH("xpath", new XPathSyntaxHighlighter()),
+    MODELICA("modelica", new ModelicaSyntaxHighlighter());
 
 
     private final String language;

src/main/java/net/sourceforge/pmd/util/fxdesigner/util/codearea/syntaxhighlighting/ModelicaSyntaxHighlighter.java

@@ -0,0 +1,56 @@
+/*
+ * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
+ */
+
+package net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting;
+
+import static net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.HighlightClasses.BOOLEAN;
+import static net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.HighlightClasses.BRACE;
+import static net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.HighlightClasses.BRACKET;
+import static net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.HighlightClasses.IDENTIFIER;
+import static net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.HighlightClasses.KEYWORD;
+import static net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.HighlightClasses.MULTIL_COMMENT;
+import static net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.HighlightClasses.NUMBER;
+import static net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.HighlightClasses.PAREN;
+import static net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.HighlightClasses.SEMICOLON;
+import static net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.HighlightClasses.SINGLEL_COMMENT;
+import static net.sourceforge.pmd.util.fxdesigner.util.codearea.syntaxhighlighting.HighlightClasses.STRING;
+
+import java.util.regex.Pattern;
+
+import net.sourceforge.pmd.util.fxdesigner.util.codearea.SimpleRegexSyntaxHighlighter;
+
+public class ModelicaSyntaxHighlighter extends SimpleRegexSyntaxHighlighter {
+
+    private static final String[] KEYWORDS = {
+        "import", "within", "encapsulated", "partial", "final",
+        "class", "model", "operator", "record", "block", "expandable",
+        "connector", "type", "package", "pure", "impure", "function",
+        "extends", "end", "enumeration", "public", "protected", "external",
+        "redeclare", "inner", "outer", "replaceable", "constrainedby",
+        "flow", "stream", "discrete", "parameter", "constant", "input",
+        "output", "der", "connect", "if", "each", "initial", "equation",
+        "algorithm", "annotation", "break", "return", "then", "elseif",
+        "else", "for", "loop", "in", "while", "when", "elsewhen", "or",
+        "and", "not", "true", "false",
+    };
+
+    // based on Java highlighter
+    private static final RegexHighlightGrammar GRAMMAR
+        = grammarBuilder(SINGLEL_COMMENT.css, "//[^\n]*")
+        .or(MULTIL_COMMENT.css, "/\\*.*?\\*/")
+        .or(PAREN.css, "[()]")
+        .or(NUMBER.css, asWord("\\d[_\\d]*+(\\.\\d(_?\\d)*+)?[fdlFDL]?"))
+        .or(BRACE.css, "[{}]")
+        .or(BRACKET.css, "[\\[]]")
+        .or(SEMICOLON.css, ";")
+        .or(KEYWORD.css, alternation(KEYWORDS))
+        .or(STRING.css, "\"[^\"\\\\]*(\\\\.[^\"\\\\]*)*\"")
+        .or(BOOLEAN.css, asWord("true|false"))
+        .or(IDENTIFIER.css, asWord("[\\w_$]+"))
+        .create(Pattern.DOTALL);
+
+    public ModelicaSyntaxHighlighter() {
+        super("modelica", GRAMMAR);
+    }
+}