private void ProcessRuleOrFact()
{
_context.Recovery(_currToken);
var parser = new LogicalQueryParser(_context);
parser.Run();
var ruleInstanceItem = parser.Result;
#if DEBUG
//Log($"ruleInstanceItem = {ruleInstanceItem}");
#endif
var value = new RuleInstanceValue(ruleInstanceItem);
var node = new ConstValueAstExpression();
node.Value = value;
var intermediateNode = new IntermediateAstNode(node);
AstNodesLinker.SetNode(intermediateNode, _nodePoint);
}
/// <inheritdoc/>
protected override void OnRun()
{
#if DEBUG
//Log($"_currToken = {_currToken}");
//Log($"_state = {_state}");
#endif
switch (_state)
{
case State.Init:
switch (_currToken.TokenKind)
{
case TokenKind.QuestionMark:
Result.KindOfLogicalQueryOperation = KindOfLogicalQueryOperation.Select;
_state = State.GotKindOfLogicalQueryOperation;
break;
case TokenKind.Word:
switch (_currToken.KeyWordTokenKind)
{
case KeyWordTokenKind.Select:
Result.KindOfLogicalQueryOperation = KindOfLogicalQueryOperation.Select;
_state = State.GotKindOfLogicalQueryOperation;
break;
case KeyWordTokenKind.Insert:
Result.KindOfLogicalQueryOperation = KindOfLogicalQueryOperation.Insert;
_state = State.GotKindOfLogicalQueryOperation;
break;
default:
throw new UnexpectedTokenException(_currToken);
}
break;
default:
throw new UnexpectedTokenException(_currToken);
}
break;
case State.GotKindOfLogicalQueryOperation:
switch (_currToken.TokenKind)
{
case TokenKind.OpenFactBracket:
{
_context.Recovery(_currToken);
var parser = new LogicalQueryParser(_context);
parser.Run();
var ruleInstanceItem = parser.Result;
#if DEBUG
//Log($"ruleInstanceItem = {ruleInstanceItem}");
#endif
var value = new RuleInstanceValue(ruleInstanceItem);
Result.Target = value;
_state = State.GotTarget;
}
break;
default:
throw new UnexpectedTokenException(_currToken);
}
break;
case State.GotTarget:
switch (_currToken.TokenKind)
{
case TokenKind.LeftRightStream:
case TokenKind.Semicolon:
_context.Recovery(_currToken);
Exit();
break;
default:
throw new UnexpectedTokenException(_currToken);
}
break;
default:
throw new ArgumentOutOfRangeException(nameof(_state), _state, null);
}
}
