public object Execute(ILiquidContext context)
{
var result = (bool)_conditionExpr.Evaluate(context);
return(result ? _ifBranchStatements.Execute(context) :
_elseBranchStatements != null?_elseBranchStatements.Execute(context) : null);
}
static void Main(string[] args)
{
FileStream file = null;
Scanner scn = null;
Parser parser = null;
StatementList program = null;
try
{
file = new FileStream("GCD_Example.ss", FileMode.Open);
scn = new Scanner(file);
parser = new Parser(scn);
parser.Parse();
program = parser.program;
if (program != null)
{
program.Execute();
Console.WriteLine();
}
}
finally
{
file.Close();
}
}
static void Main(string[] args)
{
if (args.Length < 0)
{
Console.WriteLine("Usage: SimpleScript.exe <Sourcefile.ss>");
return;
}
FileStream file = null;
Scanner scn = null;
Parser parser = null;
StatementList program = null;
try
{
//file = new FileStream(args[0], FileMode.Open);
file = new FileStream("Script4.ss", FileMode.Open);
scn = new Scanner(file);
parser = new Parser(scn);
parser.Parse();
program = parser.program;
if (program != null)
{
program.Execute();
Console.WriteLine();
}
}
finally
{
file.Close();
}
}
public object Execute(ILiquidContext context)
{
if (_attributes != null && _attributes.Count != 0)
{
throw new NotImplementedException(); // todo: implement loop attributes
}
if (!(_value is LookupExpression))
{
// TODO: implement FOR... in range
throw new NotImplementedException();
/*long initVal = (long)initExpr.Evaluate();
* long endVal = (long)endExpr.Evaluate();
* for (ielem.Value = initVal; ielem.Value <= endVal; ielem.Value++)
* {
* statements.Execute();
* }*/
}
// FOR ... in collection
var collection = _value.Evaluate(context) as IEnumerable <object>;
if (collection != null)
{
var result =
collection.Select(item =>
{
context[_var] = item;
return(_statements.Execute(context));
}
).Where(res => res != null);
return(result.Any() ? result.ToList() : null);
}
throw new NotImplementedException("not collection or range!");
}
public object Execute(ILiquidContext context)
{
var result = (bool)_conditionExpr.Evaluate(context);
return(!result?_unlessBranchStatements.Execute(context) : _elseBranchStatements.Execute(context));
}