public void exitRule() {
if (matchedEOF) {
// if we have matched EOF, it cannot consume past EOF so we use LT(1) here
_ctx.stop = _input.LT(1); // LT(1) will be end of file
} else {
_ctx.stop = _input.LT(-1); // stop node is what we just matched
}
// trigger event on _ctx, before it reverts to parent
if (_parseListeners != null) triggerExitRuleEvent();
setState(_ctx.invokingState);
_ctx = (ParserRuleContext) _ctx.parent;
}
public void unrollRecursionContexts(ParserRuleContext _parentctx) {
_precedenceStack.pop();
_ctx.stop = _input.LT(-1);
ParserRuleContext retctx = _ctx; // save current ctx (return value)
// unroll so _ctx is as it was before call to recursive method
if (_parseListeners != null) {
while (_ctx != _parentctx) {
triggerExitRuleEvent();
_ctx = (ParserRuleContext) _ctx.parent;
}
} else {
_ctx = _parentctx;
}
// hook into tree
retctx.parent = _parentctx;
if (_buildParseTrees && _parentctx != null) {
// add return ctx into invoking rule's tree
_parentctx.addChild(retctx);
}
}