| public GetLocallyDefinedRule ( string ruleName ) : Antlr3.Tool.Rule | ||
| ruleName | string | |
| return | Antlr3.Tool.Rule | |
public ActionAnalysisLexer(Grammar grammar, string ruleName, GrammarAST actionAST)
: this(new ANTLRStringStream(actionAST.Token.Text))
{
this.grammar = grammar;
this.enclosingRule = grammar.GetLocallyDefinedRule(ruleName);
this.actionToken = actionAST.Token;
this.outerAltNum = actionAST.outerAltNum;
}
/** Get set of rules for grammar g that need to have manual delegation
* methods. This is the list of rules collected from all direct/indirect
* delegates minus rules overridden in grammar g.
*
* This returns null except for the delegate root because it is the only
* one that has to have a complete grammar rule interface. The delegates
* should not be instantiated directly for use as parsers (you can create
* them to pass to the root parser's ctor as arguments).
*/
public virtual HashSet<Rule> GetDelegatedRules( Grammar g )
{
if ( g != delegateGrammarTreeRoot.Grammar )
{
return null;
}
HashSet<Rule> rules = GetAllImportedRules( g );
foreach ( Rule r in rules.ToArray() )
{
Rule localRule = g.GetLocallyDefinedRule( r.Name );
// if locally defined or it's not local but synpred, don't make a delegation method
if ( localRule != null || r.IsSynPred )
{
// kill overridden rules
rules.Remove( r );
}
}
return rules;
}
