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;
}
public void setEvent(String eventSpec) throws ParseException, TypeException {
if (event == null) {
event = Event.create(this, eventSpec);
}
}