private void ProcessVar()
{
_lastIsOperator = null;
var value = NameHelper.CreateName(_currToken.Content);
var node = new VarAstExpression();
node.Name = value;
var intermediateNode = new IntermediateAstNode(node);
AstNodesLinker.SetNode(intermediateNode, _nodePoint);
_state = State.GotName;
}
/// <inheritdoc/>
protected override void OnRun()
{
#if DEBUG
//Log($"Result = {Result}");
//Log($"_state = {_state}");
//Log($"_currToken = {_currToken}");
#endif
switch (_state)
{
case State.Init:
switch (_currToken.TokenKind)
{
case TokenKind.OpenRoundBracket:
_state = State.WaitForMainParameter;
break;
case TokenKind.AsyncMarker:
if (Result.IsAsync)
{
throw new UnexpectedTokenException(_currToken);
}
Result.IsAsync = true;
break;
default:
throw new UnexpectedTokenException(_currToken);
}
break;
case State.WaitForMainParameter:
switch (_currToken.TokenKind)
{
case TokenKind.Identifier:
case TokenKind.Word:
{
_currentParameter = new CallingParameter();
Result.Parameters.Add(_currentParameter);
var value = NameHelper.CreateName(_currToken.Content);
var node = new ConstValueAstExpression();
node.Value = value;
_currentParameter.Value = node;
_state = State.GotPositionedMainParameter;
}
break;
case TokenKind.Number:
{
_currentParameter = new CallingParameter();
Result.Parameters.Add(_currentParameter);
_context.Recovery(_currToken);
var parser = new NumberParser(_context);
parser.Run();
var node = new ConstValueAstExpression();
node.Value = parser.Result;
_currentParameter.Value = node;
_state = State.GotPositionedMainParameter;
}
break;
case TokenKind.String:
{
_currentParameter = new CallingParameter();
Result.Parameters.Add(_currentParameter);
var node = new ConstValueAstExpression();
node.Value = new StringValue(_currToken.Content);
_currentParameter.Value = node;
_state = State.GotPositionedMainParameter;
}
break;
case TokenKind.Var:
{
_currentParameter = new CallingParameter();
Result.Parameters.Add(_currentParameter);
var value = NameHelper.CreateName(_currToken.Content);
var node = new VarAstExpression();
node.Name = value;
_currentParameter.Value = node;
_state = State.GotPositionedMainParameter;
}
break;
case TokenKind.CloseRoundBracket:
Exit();
break;
default:
throw new UnexpectedTokenException(_currToken);
}
break;
case State.GotPositionedMainParameter:
switch (_currToken.TokenKind)
{
case TokenKind.Colon:
if (_currentParameter.Value != null)
{
_currentParameter.Name = ConvertValueExprToNameExpr(_currentParameter.Value);
_currentParameter.Value = null;
}
_state = State.WaitForValueOfNamedMainParameter;
break;
case TokenKind.CloseRoundBracket:
Exit();
break;
case TokenKind.Comma:
_state = State.GotComma;
break;
default:
throw new UnexpectedTokenException(_currToken);
}
break;
case State.WaitForValueOfNamedMainParameter:
switch (_currToken.TokenKind)
{
case TokenKind.EntityCondition:
{
_context.Recovery(_currToken);
var parser = new EntityConditionParser(_context);
parser.Run();
_currentParameter.Value = parser.Result;
_state = State.GotValueOfNamedMainParameter;
}
break;
case TokenKind.Number:
{
_context.Recovery(_currToken);
var parser = new NumberParser(_context);
parser.Run();
var node = new ConstValueAstExpression();
node.Value = parser.Result;
_currentParameter.Value = node;
_state = State.GotValueOfNamedMainParameter;
}
break;
case TokenKind.String:
{
var node = new ConstValueAstExpression();
node.Value = new StringValue(_currToken.Content);
_currentParameter.Value = node;
_state = State.GotValueOfNamedMainParameter;
}
break;
case TokenKind.Word:
case TokenKind.Identifier:
{
var value = NameHelper.CreateName(_currToken.Content);
var node = new ConstValueAstExpression();
node.Value = value;
_currentParameter.Value = node;
_state = State.GotValueOfNamedMainParameter;
}
break;
default:
throw new UnexpectedTokenException(_currToken);
}
break;
case State.GotValueOfNamedMainParameter:
switch (_currToken.TokenKind)
{
case TokenKind.CloseRoundBracket:
Exit();
break;
default:
throw new UnexpectedTokenException(_currToken);
}
break;
case State.GotComma:
switch (_currToken.TokenKind)
{
case TokenKind.Number:
case TokenKind.Word:
case TokenKind.EntityCondition:
case TokenKind.Var:
case TokenKind.String:
_context.Recovery(_currToken);
_state = State.WaitForMainParameter;
break;
default:
throw new UnexpectedTokenException(_currToken);
}
break;
default:
throw new ArgumentOutOfRangeException(nameof(_state), _state, null);
}
}
