Examples with MethodSymbol org.eclipse.ceylon.langtools.tools.javac.code.Symbol.MethodSymbol used on opensource projects

Example 11 with MethodSymbol

use of org.eclipse.ceylon.langtools.tools.javac.code.Symbol.MethodSymbol in project ceylon by eclipse.

the class JavacTrees method searchMethod.

/**
 * @see com.sun.tools.javadoc.ClassDocImpl#searchMethod
 */
private MethodSymbol searchMethod(ClassSymbol tsym, Name methodName, List<Type> paramTypes, Set<ClassSymbol> searched) {
    // do not match constructors
    if (methodName == names.init)
        return null;
    if (searched.contains(tsym))
        return null;
    searched.add(tsym);
    // search current class
    org.eclipse.ceylon.langtools.tools.javac.code.Scope.Entry e = tsym.members().lookup(methodName);
    if (paramTypes == null) {
        // If no parameters specified, we are allowed to return
        // any method with a matching name.  In practice, the old
        // code returned the first method, which is now the last!
        // In order to provide textually identical results, we
        // attempt to emulate the old behavior.
        MethodSymbol lastFound = null;
        for (; e.scope != null; e = e.next()) {
            if (e.sym.kind == Kinds.MTH) {
                if (e.sym.name == methodName) {
                    lastFound = (MethodSymbol) e.sym;
                }
            }
        }
        if (lastFound != null) {
            return lastFound;
        }
    } else {
        for (; e.scope != null; e = e.next()) {
            if (e.sym != null && e.sym.kind == Kinds.MTH) {
                if (hasParameterTypes((MethodSymbol) e.sym, paramTypes)) {
                    return (MethodSymbol) e.sym;
                }
            }
        }
    }
    // ### If we found a MethodSymbol above, but which did not pass
    // ### the modifier filter, we should return failure here!
    // search superclass
    Type superclass = tsym.getSuperclass();
    if (superclass.tsym != null) {
        MethodSymbol msym = searchMethod((ClassSymbol) superclass.tsym, methodName, paramTypes, searched);
        if (msym != null) {
            return msym;
        }
    }
    // search interfaces
    List<Type> intfs = tsym.getInterfaces();
    for (List<Type> l = intfs; l.nonEmpty(); l = l.tail) {
        Type intf = l.head;
        if (intf.isErroneous())
            continue;
        MethodSymbol msym = searchMethod((ClassSymbol) intf.tsym, methodName, paramTypes, searched);
        if (msym != null) {
            return msym;
        }
    }
    // search enclosing class
    ClassSymbol encl = tsym.owner.enclClass();
    if (encl != null) {
        MethodSymbol msym = searchMethod(encl, methodName, paramTypes, searched);
        if (msym != null) {
            return msym;
        }
    }
    return null;
}