private JSGFGrammar.GrammarGraph processRuleName(JSGFRuleName jsgfruleName)
{
this.logger.fine(new StringBuilder().append("parseRuleName: ").append(jsgfruleName).toString());
JSGFGrammar.GrammarGraph grammarGraph = this.__ruleStack.contains(jsgfruleName.getRuleName());
if (grammarGraph != null)
{
return(grammarGraph);
}
grammarGraph = new JSGFGrammar.GrammarGraph(this);
this.__ruleStack.push(jsgfruleName.getRuleName(), grammarGraph);
JSGFRuleName jsgfruleName2 = this.ruleGrammar.resolve(jsgfruleName);
if (jsgfruleName2 == JSGFRuleName.__NULL)
{
grammarGraph.getStartNode().add(grammarGraph.getEndNode(), 0f);
}
else if (jsgfruleName2 != JSGFRuleName.__VOID)
{
if (jsgfruleName2 == null)
{
string message = new StringBuilder().append("Can't resolve ").append(jsgfruleName).append(" g ").append(jsgfruleName.getFullGrammarName()).toString();
throw new JSGFGrammarException(message);
}
JSGFRuleGrammar jsgfruleGrammar = this.manager.retrieveGrammar(jsgfruleName2.getFullGrammarName());
if (jsgfruleGrammar == null)
{
string message2 = new StringBuilder().append("Can't resolve grammar name ").append(jsgfruleName2.getFullGrammarName()).toString();
throw new JSGFGrammarException(message2);
}
JSGFRule rule = jsgfruleGrammar.getRule(jsgfruleName2.getSimpleRuleName());
if (rule == null)
{
string message3 = new StringBuilder().append("Can't resolve rule: ").append(jsgfruleName2.getRuleName()).toString();
throw new JSGFGrammarException(message3);
}
JSGFGrammar.GrammarGraph grammarGraph2 = this.processRule(rule);
if (grammarGraph != grammarGraph2)
{
grammarGraph.getStartNode().add(grammarGraph2.getStartNode(), 0f);
grammarGraph2.getEndNode().add(grammarGraph.getEndNode(), 0f);
}
}
this.__ruleStack.pop();
return(grammarGraph);
}
protected internal virtual void dumpGrammar()
{
[email protected]("Imported rules { ");
Iterator iterator = this.ruleGrammar.getImports().iterator();
while (iterator.hasNext())
{
JSGFRuleName jsgfruleName = (JSGFRuleName)iterator.next();
[email protected](new StringBuilder().append(" Import ").append(jsgfruleName.getRuleName()).toString());
}
[email protected]("}");
[email protected]("Rulenames { ");
iterator = this.ruleGrammar.getRuleNames().iterator();
while (iterator.hasNext())
{
string text = (string)iterator.next();
[email protected](new StringBuilder().append(" Name ").append(text).toString());
}
[email protected]("}");
}
private string getFullRuleName(string name)
{
JSGFRuleName jsgfruleName = this.ruleGrammar.resolve(new JSGFRuleName(name));
return(jsgfruleName.getRuleName());
}
protected internal virtual void resolveRule(JSGFRule r)
{
if (r is JSGFRuleToken)
{
return;
}
if (r is JSGFRuleAlternatives)
{
Iterator iterator = ((JSGFRuleAlternatives)r).getRules().iterator();
while (iterator.hasNext())
{
JSGFRule jsgfrule = (JSGFRule)iterator.next();
this.resolveRule(jsgfrule);
}
return;
}
if (r is JSGFRuleSequence)
{
Iterator iterator = ((JSGFRuleSequence)r).getRules().iterator();
while (iterator.hasNext())
{
JSGFRule jsgfrule = (JSGFRule)iterator.next();
this.resolveRule(jsgfrule);
}
return;
}
if (r is JSGFRuleCount)
{
this.resolveRule(((JSGFRuleCount)r).getRule());
return;
}
if (r is JSGFRuleTag)
{
JSGFRuleTag jsgfruleTag = (JSGFRuleTag)r;
JSGFRule jsgfrule = jsgfruleTag.getRule();
string text = jsgfrule.toString();
object obj = (Collection)this.__ruleTags.get(text);
if ((Collection)obj == null)
{
obj = new HashSet();
this.__ruleTags.put(text, (HashSet)obj);
}
object obj2 = obj;
object tag = jsgfruleTag.getTag();
Collection collection;
if (obj2 != null)
{
if ((collection = (obj2 as Collection)) == null)
{
throw new IncompatibleClassChangeError();
}
}
else
{
collection = null;
}
collection.add(tag);
this.resolveRule(jsgfrule);
return;
}
if (!(r is JSGFRuleName))
{
string message = "Unknown rule type";
throw new JSGFGrammarException(message);
}
JSGFRuleName jsgfruleName = (JSGFRuleName)r;
JSGFRuleName jsgfruleName2 = this.resolve(jsgfruleName);
if (jsgfruleName2 == null)
{
string message2 = new StringBuilder().append("Unresolvable rulename in grammar ").append(this.name).append(": ").append(jsgfruleName).toString();
throw new JSGFGrammarException(message2);
}
jsgfruleName.resolvedRuleName = jsgfruleName2.getRuleName();
jsgfruleName.setRuleName(jsgfruleName2.getRuleName());
}
public virtual JSGFRuleName resolve(JSGFRuleName ruleName)
{
JSGFRuleName jsgfruleName = new JSGFRuleName(ruleName.getRuleName());
string simpleRuleName = jsgfruleName.getSimpleRuleName();
string simpleGrammarName = jsgfruleName.getSimpleGrammarName();
string packageName = jsgfruleName.getPackageName();
string fullGrammarName = jsgfruleName.getFullGrammarName();
if (packageName != null && simpleGrammarName == null)
{
string message = new StringBuilder().append("Error: badly formed rulename ").append(jsgfruleName).toString();
throw new JSGFGrammarException(message);
}
if (String.instancehelper_equals(ruleName.getSimpleRuleName(), "NULL"))
{
return(JSGFRuleName.__NULL);
}
if (String.instancehelper_equals(ruleName.getSimpleRuleName(), "VOID"))
{
return(JSGFRuleName.__VOID);
}
if (fullGrammarName == null && this.getRule(simpleRuleName) != null)
{
return(new JSGFRuleName(new StringBuilder().append(this.name).append('.').append(simpleRuleName).toString()));
}
if (fullGrammarName != null)
{
JSGFRuleGrammar jsgfruleGrammar = this.manager.retrieveGrammar(fullGrammarName);
if (jsgfruleGrammar != null && jsgfruleGrammar.getRule(simpleRuleName) != null)
{
return(new JSGFRuleName(new StringBuilder().append(fullGrammarName).append('.').append(simpleRuleName).toString()));
}
}
ArrayList arrayList = new ArrayList();
ArrayList arrayList2 = new ArrayList(this.__imports);
List list = arrayList2;
list.add(new JSGFRuleName(new StringBuilder().append(this.name).append(".*").toString()));
Iterator iterator = arrayList2.iterator();
while (iterator.hasNext())
{
JSGFRuleName jsgfruleName2 = (JSGFRuleName)iterator.next();
string simpleRuleName2 = jsgfruleName2.getSimpleRuleName();
string simpleGrammarName2 = jsgfruleName2.getSimpleGrammarName();
string fullGrammarName2 = jsgfruleName2.getFullGrammarName();
if (fullGrammarName2 == null)
{
string message2 = new StringBuilder().append("Error: badly formed import ").append(ruleName).toString();
throw new JSGFGrammarException(message2);
}
JSGFRuleGrammar jsgfruleGrammar2 = this.manager.retrieveGrammar(fullGrammarName2);
if (jsgfruleGrammar2 == null)
{
[email protected](new StringBuilder().append("Warning: import of unknown grammar ").append(ruleName).append(" in ").append(this.name).toString());
}
else if (!String.instancehelper_equals(simpleRuleName2, "*") && jsgfruleGrammar2.getRule(simpleRuleName2) == null)
{
[email protected](new StringBuilder().append("Warning: import of undefined rule ").append(ruleName).append(" in ").append(this.name).toString());
}
else if (String.instancehelper_equals(fullGrammarName2, fullGrammarName) || String.instancehelper_equals(simpleGrammarName2, fullGrammarName))
{
if (String.instancehelper_equals(simpleRuleName2, "*"))
{
if (jsgfruleGrammar2.getRule(simpleRuleName) != null)
{
List list2 = arrayList;
list2.add(new JSGFRuleName(new StringBuilder().append(fullGrammarName2).append('.').append(simpleRuleName).toString()));
}
}
else if (String.instancehelper_equals(simpleRuleName2, simpleRuleName))
{
List list3 = arrayList;
list3.add(new JSGFRuleName(new StringBuilder().append(fullGrammarName2).append('.').append(simpleRuleName).toString()));
}
}
else if (fullGrammarName == null)
{
if (String.instancehelper_equals(simpleRuleName2, "*"))
{
if (jsgfruleGrammar2.getRule(simpleRuleName) != null)
{
List list4 = arrayList;
list4.add(new JSGFRuleName(new StringBuilder().append(fullGrammarName2).append('.').append(simpleRuleName).toString()));
}
}
else if (String.instancehelper_equals(simpleRuleName2, simpleRuleName))
{
List list5 = arrayList;
list5.add(new JSGFRuleName(new StringBuilder().append(fullGrammarName2).append('.').append(simpleRuleName).toString()));
}
}
}
int num = arrayList.size();
if (num == 0)
{
return(null);
}
if (num == 1)
{
return((JSGFRuleName)arrayList.get(0));
}
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append("Warning: ambiguous reference ").append(jsgfruleName).append(" in ").append(this.name).append(" to ");
Iterator iterator2 = arrayList.iterator();
while (iterator2.hasNext())
{
JSGFRuleName jsgfruleName3 = (JSGFRuleName)iterator2.next();
stringBuilder.append(jsgfruleName3).append(" and ");
}
stringBuilder.setLength(stringBuilder.length() - 5);
string message3 = stringBuilder.toString();
throw new JSGFGrammarException(message3);
}
