public override LuaStatement Parse(INextAwareEnumerator<Token> reader, IParserContext context)
{
var variables = ReadDeclarations(reader);
foreach (var variable in variables)
context.CurrentScope.AddVariable(variable);
reader.VerifyExpectedTokenAndMoveNext(LuaToken.EqualsSign);
var assignedExpressionParser = new ExpressionListParser();
var expressions = assignedExpressionParser.Parse(reader, context);
return new Assignment(variables, expressions, _local);
}
public override LuaExpression Parse(INextAwareEnumerator<Token> reader, IParserContext context)
{
var name = reader.Current.Value;
reader.MoveNext();
reader.VerifyExpectedToken(LuaToken.LeftBracket);
var parametersParser = new ExpressionListParser();
var expression = new FunctionCallExpression(name, parametersParser.Parse(reader, context).ToList());
reader.VerifyExpectedToken(LuaToken.RightBracket);
return expression;
}
public LuaExpression Parse(INextAwareEnumerator <Token> reader, IParserContext context)
{
var name = reader.Current.Value;
reader.MoveNext();
reader.VerifyExpectedTokenAndMoveNext(LuaToken.LeftBracket);
var parametersParser = new ExpressionListParser();
var expression = new FunctionCallExpression(name, parametersParser.Parse(reader, context).ToList());
reader.VerifyExpectedToken(LuaToken.RightBracket);
return(expression);
}
public override LuaStatement Parse(INextAwareEnumerator<Token> reader, IParserContext context)
{
reader.VerifyExpectedTokenAndMoveNext(Keywords.For);
var scope = context.AcquireScope();
reader.VerifyIsIdentifier();
var forVariableName = reader.GetAndMoveNext();
reader.VerifyExpectedTokenAndMoveNext(LuaToken.EqualsSign);
var conditionsParser = new ExpressionListParser();
var conditions = conditionsParser.Parse(reader, context).ToList();
reader.VerifyExpectedTokenAndMoveNext(Keywords.Do);
var statementsParser = new StatementBlockParser(Keywords.End);
var bodyBlock = statementsParser.ParseBlock(reader, context);
context.ReleaseScope(scope);
return new ForStatement(conditions,bodyBlock);
}
public LuaExpression Parse(INextAwareEnumerator <Token> reader, IParserContext context)
{
reader.VerifyExpectedToken(LuaToken.LeftCurlyBrace);
reader.MoveNext();
var expressions = Enumerable.Empty <LuaExpression>();
if (reader.Current.Value != LuaToken.RightCurlyBrace)
{
var parser = new ExpressionListParser();
expressions = parser.Parse(reader, context);
reader.VerifyExpectedToken(LuaToken.RightCurlyBrace);
reader.MoveNext();
}
else
{
reader.VerifyExpectedTokenAndMoveNext(LuaToken.RightCurlyBrace);
}
return(new TableInitializerExpression(expressions));
}
