gerrit.simantics Code Review - simantics/sysdyn.git/blob

   1 /*******************************************************************************\r
   2  * Copyright (c) 2010 Association for Decentralized Information Management in\r
   3  * Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.sysdyn.ui.modelica;\r
  13 \r
  14 import java.util.HashSet;\r
  15 import java.util.Set;\r
  16 \r
  17 import org.eclipse.jface.text.IDocument;\r
  18 import org.eclipse.jface.text.TextAttribute;\r
  19 import org.eclipse.jface.text.presentation.IPresentationReconciler;\r
  20 import org.eclipse.jface.text.presentation.PresentationReconciler;\r
  21 import org.eclipse.jface.text.rules.DefaultDamagerRepairer;\r
  22 import org.eclipse.jface.text.rules.ICharacterScanner;\r
  23 import org.eclipse.jface.text.rules.IRule;\r
  24 import org.eclipse.jface.text.rules.IToken;\r
  25 import org.eclipse.jface.text.rules.RuleBasedScanner;\r
  26 import org.eclipse.jface.text.rules.Token;\r
  27 import org.eclipse.jface.text.source.ISourceViewer;\r
  28 import org.eclipse.jface.text.source.SourceViewerConfiguration;\r
  29 import org.eclipse.swt.SWT;\r
  30 import org.eclipse.swt.graphics.Color;\r
  31 \r
  32 public class ModelicaSourceViewerConfiguration extends SourceViewerConfiguration {\r
  33 \r
  34         @Override\r
  35     public IPresentationReconciler getPresentationReconciler(\r
  36                         ISourceViewer sourceViewer) {\r
  37                 PresentationReconciler pr = new PresentationReconciler();\r
  38                 DefaultDamagerRepairer ddr = new DefaultDamagerRepairer(\r
  39                                 new RuleBasedScanner() {                                                                                                                \r
  40                                         {\r
  41                                                 setRules(new IRule[] {new IRule() {\r
  42 \r
  43                                                         @Override\r
  44                                                         public IToken evaluate(ICharacterScanner scanner) {\r
  45                                                                 int ch;\r
  46                                                                 try {\r
  47                                                                         scanner.unread();\r
  48                                                                         ch = scanner.read();\r
  49                                                                 } catch (Throwable t) {\r
  50                                                                         ch = -1;\r
  51                                                                 }\r
  52                                                                 if (ch <= 0 || !isIdentifierChar((char) ch)) {\r
  53                                                                         ch = scanner.read();\r
  54                                                                         if(isIdentifierChar((char)ch)) {\r
  55                                                                                 StringBuilder b = new StringBuilder();\r
  56                                                                                 do {\r
  57                                                                                         b.append((char)ch);\r
  58                                                                                         ch = scanner.read();\r
  59                                                                                 } while(isIdentifierChar((char) ch));\r
  60                                                                                 String str = b.toString();\r
  61                                                                                 if(keywords.contains(str))\r
  62                                                                                         return getModelicaKeywordToken();\r
  63                                                                         }\r
  64                                                                         scanner.unread();\r
  65                                                                 }\r
  66                                                                 return Token.UNDEFINED;\r
  67                                                         }                                                                       \r
  68                                                         \r
  69                                                 }});\r
  70                                         }                                                       \r
  71                                 }\r
  72                         );\r
  73                 pr.setRepairer(ddr, IDocument.DEFAULT_CONTENT_TYPE);\r
  74                 pr.setDamager(ddr, IDocument.DEFAULT_CONTENT_TYPE);\r
  75                 return pr;\r
  76         }\r
  77         \r
  78         static boolean isIdentifierChar(char c) {\r
  79                 return \r
  80                         (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') \r
  81                  || (c >= '0' && c <= '9') || c == '_';\r
  82         }\r
  83         \r
  84         // Includes also tokens that are strictly speaking not keywords\r
  85         // but should be handled in (almost) a similar fashion.\r
  86         public static final Set<String> keywords = new HashSet<String>();\r
  87 \r
  88     static {\r
  89         keywords.add("algorithm");\r
  90         keywords.add("discrete");\r
  91         keywords.add("false");\r
  92         keywords.add("model");\r
  93         keywords.add("redeclare");\r
  94         keywords.add("and");\r
  95         keywords.add("each");\r
  96         keywords.add("final");\r
  97         keywords.add("not");\r
  98         keywords.add("replaceable");\r
  99         keywords.add("annotation");\r
 100         keywords.add("else");\r
 101         keywords.add("flow");\r
 102         keywords.add("operator");\r
 103         keywords.add("return");\r
 104         keywords.add("assert");\r
 105         keywords.add("elseif");\r
 106         keywords.add("for");\r
 107         keywords.add("or");\r
 108         keywords.add("stream");\r
 109         keywords.add("block");\r
 110         keywords.add("elsewhen");\r
 111         keywords.add("function");\r
 112         keywords.add("outer");\r
 113         keywords.add("then");\r
 114         keywords.add("break");\r
 115         keywords.add("encapsulated");\r
 116         keywords.add("if");\r
 117         keywords.add("output");\r
 118         keywords.add("true");\r
 119         keywords.add("class");\r
 120         keywords.add("end");\r
 121         keywords.add("import");\r
 122         keywords.add("package");\r
 123         keywords.add("type");\r
 124         keywords.add("connect");\r
 125         keywords.add("enumeration");\r
 126         keywords.add("in");\r
 127         keywords.add("parameter");\r
 128         keywords.add("when");\r
 129         keywords.add("connector");\r
 130         keywords.add("equation");\r
 131         keywords.add("initial");\r
 132         keywords.add("partial");\r
 133         keywords.add("while");\r
 134         keywords.add("constant");\r
 135         keywords.add("expandable");\r
 136         keywords.add("inner");\r
 137         keywords.add("protected");\r
 138         keywords.add("within");\r
 139         keywords.add("constrainedby");\r
 140         keywords.add("extends");\r
 141         keywords.add("input");\r
 142         keywords.add("public");\r
 143         keywords.add("der");\r
 144         keywords.add("external");\r
 145         keywords.add("loop");\r
 146         keywords.add("record");\r
 147         keywords.add("time");\r
 148         keywords.add("pure");\r
 149         keywords.add("impure");\r
 150         keywords.add("Real");\r
 151         keywords.add("Boolean");\r
 152         keywords.add("Integer");\r
 153         keywords.add("String");\r
 154     }\r
 155 \r
 156         static IToken modelicaKeywordToken = null;\r
 157         public IToken getModelicaKeywordToken() {\r
 158                 if(modelicaKeywordToken == null) {\r
 159                         modelicaKeywordToken = \r
 160                                 new Token(\r
 161                                                 new TextAttribute(\r
 162                                                                 new Color(null, 127, 0, 85),\r
 163                                                                 new Color(null, 255, 255, 255),\r
 164                                                                 SWT.BOLD\r
 165                                                                 ));\r
 166                 }\r
 167                 return modelicaKeywordToken;\r
 168         }\r
 169         \r
 170 }\r