public override Expression Scan(ParseEngine engine)
{
var start = engine.Pointer;
var chars = engine.Characters;
if (chars[start] == '(')
{
var index = start;
var line = engine.CurrentLine;
var col = engine.CurrentColumn;
var container = engine.Advance().ParseStatement(')', e => new YAMPBracketNotClosedError(line, col), (ch, statement) =>
{
if (ch == ',')
{
var op = new CommaOperator(engine);
engine.Advance();
statement.Push(engine, op);
return(true);
}
return(false);
}).Container;
var exp = new BracketExpression(line, col, engine.Pointer - start, engine.Query, container ?? new ContainerExpression());
if (container == null)
{
engine.AddError(new YAMPBracketEmptyError(line, col), exp);
}
return(exp);
}
return(null);
}
public override Expression Scan(ParseEngine engine)
{
var start = engine.Pointer;
var chars = engine.Characters;
if (chars[start] == '(')
{
var index = start;
var line = engine.CurrentLine;
var col = engine.CurrentColumn;
var container = engine.Advance().ParseStatement(')', e => new YAMPBracketNotClosedError(line, col), (ch, statement) =>
{
if (ch == ',')
{
var op = new CommaOperator(engine);
engine.Advance();
statement.Push(engine, op);
return true;
}
return false;
}).Container;
var exp = new BracketExpression(line, col, engine.Pointer - start, engine.Query, container ?? new ContainerExpression());
if (container == null)
{
engine.AddError(new YAMPBracketEmptyError(line, col), exp);
}
return exp;
}
return null;
}
