Esempio n. 1
0
  private Rule(RuleScript ruleScript, ClassLoader loader, HelperManager helperManager)
      throws ParseException, TypeException, CompileException {
    ParseNode ruleTree;

    this.ruleScript = ruleScript;
    this.helperClass = null;
    this.loader = loader;

    typeGroup = new TypeGroup(loader);
    bindings = new Bindings();
    checked = false;
    triggerClass = null;
    triggerMethod = null;
    triggerDescriptor = null;
    triggerAccess = 0;
    returnType = null;
    accessibleFields = null;
    accessibleMethods = null;
    // this is only set when the rule is created via a real installed transformer
    this.helperManager = helperManager;
    ECAGrammarParser parser = null;
    try {
      String file = getFile();
      ECATokenLexer lexer = new ECATokenLexer(new StringReader(ruleScript.getRuleText()));
      lexer.setStartLine(getLine());
      lexer.setFile(file);
      parser = new ECAGrammarParser(lexer);
      parser.setFile(file);
      Symbol parse = (debugParse ? parser.debug_parse() : parser.parse());
      if (parser.getErrorCount() != 0) {
        String message = "rule " + ruleScript.getName();
        message += parser.getErrors();
        throw new ParseException(message);
      }
      ruleTree = (ParseNode) parse.value;
    } catch (ParseException pe) {
      throw pe;
    } catch (Throwable th) {
      String message = "rule " + ruleScript.getName();
      if (parser != null && parser.getErrorCount() != 0) {
        message += parser.getErrors();
      }
      message += "\n" + th.getMessage();
      throw new ParseException(message);
    }

    ParseNode eventTree = (ParseNode) ruleTree.getChild(0);
    ParseNode conditionTree = (ParseNode) ruleTree.getChild(1);
    ParseNode actionTree = (ParseNode) ruleTree.getChild(2);

    event = Event.create(this, eventTree);
    condition = Condition.create(this, conditionTree);
    action = Action.create(this, actionTree);
    key = null;
  }
Esempio n. 2
0
 public void setEvent(String eventSpec) throws ParseException, TypeException {
   if (event == null) {
     event = Event.create(this, eventSpec);
   }
 }