public void pushScope(boolean bInitialInstanceMethodScope) {
if (_scopes == null) {
_scopes = new Stack<IRScope>();
}
IRScope parent = _scopes.isEmpty() ? null : _scopes.peek();
_scopes.push(new IRScope(parent));
if (bInitialInstanceMethodScope) {
assert parent == null;
_scopes.peek().addSymbol(Keyword.KW_this.getName(), _context.getIRTypeForCurrentClass());
}
}
