private Expression ParseKeyword_DO(string Keyword)
{
if (!INTERCATIVE)
{
var snap = ExpressionTypeBeam.TakeSnapshot();
var @break = Expression.Label("break");
var @continue = Expression.Label("continue");
Contextual.Push(Expression.Goto(@break));
Contextual.Push(Expression.Goto(@continue));
List <Expression> Instruction = new List <Expression>();
Instruction.Add(Expression.Label(@continue));
Instruction.AddRange(ParseBlock(true));
LineNumber--;
if (Peek(5).ToUpper() != "UNTIL")
{
throw new AutoitException(AutoitExceptionType.EXPECTUNTIL, LineNumber, Cursor, Getstr(Reg_AlphaNum));
}
Consume(5);
ConsumeWS();
var Cond = Expression.Not(ParseBoolean(false).ConvertTo(typeof(bool)));
//Instruction.AddRange(VarSynchronisation);
//VarSynchronisation.Clear();
Instruction.Add(Expression.IfThen(Cond, Expression.Goto(@continue)));
Instruction.Add(Expression.Label(@break));
Instruction.Add(ExpressionTypeBeam.RestoreSnapshot(snap));
Contextual.Pop();
Contextual.Pop();
return(Expression.Block(Instruction.ToArray()));
}
else
{
throw new AutoitException(AutoitExceptionType.MULTILINEININTERACTIVE, LineNumber, Cursor, Keyword);
}
}
private Expression ParseKeyword_WHILE(string Keyword)
{
var Element = ParseBoolean(false).ConvertTo(typeof(bool));
var snap = ExpressionTypeBeam.TakeSnapshot();
ConsumeWS();
if (!EOL)
{
var @break = Expression.Label();
var @continue = Expression.Label();
return(Expression.Block(
Expression.Label(@continue),
Expression.IfThen(Expression.Not(Element), Expression.Goto(@break)),
ParseBoolean(),
Expression.Goto(@continue),
Expression.Label(@break)));
}
else if (!INTERCATIVE)
{
var @break = Expression.Label("break");
var @continue = Expression.Label("continue");
Contextual.Push(Expression.Goto(@break));
Contextual.Push(Expression.Goto(@continue));
List <Expression> Instruction = new List <Expression>();
Instruction.Add(Expression.Label(@continue));
Instruction.Add(Expression.IfThen(Expression.Not(Element), Expression.Goto(@break)));
Instruction.AddRange(ParseBlock(true));
Instruction.Add(Expression.Goto(@continue));
Instruction.Add(Expression.Label(@break));
Instruction.Add(ExpressionTypeBeam.RestoreSnapshot(snap));
Contextual.Pop();
Contextual.Pop();
return(Expression.Block(Instruction.ToArray()));
}
else
{
throw new AutoitException(AutoitExceptionType.MULTILINEININTERACTIVE, LineNumber, Cursor, Keyword);
}
}
private Expression ParseKeyword_FOR(string Keyword)
{
Expression InitVal, LastVal, Step;
string ForVarName;
ForVarName = (ParsePrimary() as VarAutExpression).Name;
ConsumeWS();
if (Peek(1).ToUpper() != "=")
{
throw new AutoitException(AutoitExceptionType.FORWITHOUTTO, LineNumber, Cursor);
}
Consume(); ConsumeWS();
InitVal = ParseBoolean().ConvertToNumber();
ConsumeWS();
if (Peek(2).ToUpper() != "TO")
{
throw new AutoitException(AutoitExceptionType.FORWITHOUTTO, LineNumber, Cursor);
}
Consume(2); ConsumeWS();
LastVal = ParseBoolean().ConvertTo(InitVal.Type);
ConsumeWS();
if (Peek(4).ToUpper() == "STEP")
{
Consume(4); ConsumeWS();
Step = ParseBoolean().ConvertTo(InitVal.Type);
}
else
{
Step = Expression.Constant(1, typeof(int)).ConvertTo(InitVal.Type);
}
if (!INTERCATIVE)
{
var @break = Expression.Label("break");
var @continue = Expression.Label("continue");
var @DownTo = VarAutExpression.VariableAccess("downto-" + Contextual.Count, false);
var @LoopVar = VarAutExpression.VariableAccess(ForVarName, false);
Contextual.Push(Expression.Goto(@break));
Contextual.Push(Expression.Goto(@continue));
List <Expression> Instruction = new List <Expression>();
if (Step is ConstantExpression)
{
Instruction.Add(@DownTo.Setter((ConstantExpression)Expression.Constant((dynamic)(Step as ConstantExpression).Value < 0, typeof(bool))));
}
else
{
Instruction.Add(@DownTo.Setter(Expression.LessThan(Step, Expression.Constant(0, InitVal.Type))));
}
Instruction.Add(@LoopVar.Setter(InitVal));
Instruction.Add(Expression.Label(@continue));
Instruction.Add(Expression.IfThen(
Expression.OrElse(
Expression.AndAlso(
@DownTo.Getter(typeof(bool)),
Expression.LessThan(@LoopVar.Getter(InitVal.Type), LastVal)),
Expression.AndAlso(
Expression.Not(@DownTo.Getter(typeof(bool))),
Expression.GreaterThan(@LoopVar.Getter(InitVal.Type), LastVal)))
, Expression.Goto(@break)));
Instruction.AddRange(ParseBlock(true));
Instruction.Add(Expression.Assign(
@LoopVar.Getter(InitVal.Type),
Expression.Add(@LoopVar.Getter(InitVal.Type), Step)));
Instruction.Add(Expression.Goto(@continue));
Instruction.Add(Expression.Label(@break));
Contextual.Pop();
Contextual.Pop();
return(Expression.Block(Instruction.ToArray()));
}
else
{
throw new AutoitException(AutoitExceptionType.MULTILINEININTERACTIVE, LineNumber, Cursor, Keyword);
}
}