public override Statement VisitForRange(RheaParser.ForRangeContext context)
{
var range = new Range
{
Start = new ExpressionBuilder(parentBlock).Visit(context.range().start),
End = new ExpressionBuilder(parentBlock).Visit(context.range().end)
};
var newForRange = new ForRange
{
ParentBlock = parentBlock,
ParentScope = parentScope,
Range = range,
Iterator = new VariableDeclaration
{
Name = context.name().GetText(),
ParentBlock = parentBlock,
Type = range.InferredType
}
};
var newBlock = new Block
{
ParentBlock = parentBlock,
ParentScope = newForRange
};
newBlock.Statements = context.block()._statements.Select(s => new StatementBuilder(newBlock, newForRange.Block).Visit(s));
newForRange.Block = newBlock;
return(newForRange);
}
public void Save_Workflow()
{
var path = $@"..\..\..\Activities\XAMLs\{nameof(Save_Workflow)}.xaml";
var expected = File.ReadAllText(path);
var wf = new SequentialWorkflow {
Title = "Test"
};
wf.Activities.Add(new Delay {
Timeout = 300
});
var forRange = new ForRange {
Start = 3, Count = 10
};
forRange.Activities.Add(new Click {
Position = new Point(0, 123)
});
forRange.Activities.Add(new KeyStroke {
Timeout = 500, Key = Keys.Control | Keys.A
});
wf.Activities.Add(forRange);
Assert.AreEqual(expected, XamlServices.Save(wf));
var o = (SequentialWorkflow)XamlServices.Parse(expected);
}
public bool Visit(ForRange node)
{
node.Start.Accept(this);
node.Finish.Accept(this);
return(true);
}
public void GetPi_Methods()
{
var context = new WorkflowContext();
context.Variables.Add(new Variable <double> {
VariableName = "sum", Value = 1.0
});
context.Variables.Add(new Variable <double> {
VariableName = "p", Value = 1.0
});
var wf = new SequentialWorkflow();
var forRange = new ForRange {
Start = 3, Count = 50, Step = 2
};
forRange.Activities.Add(new InvokeMethod {
Type = typeof(SequentialWorkflowTest), MethodName = "NextP"
});
forRange.Activities.Add(new InvokeMethod {
Type = typeof(SequentialWorkflowTest), MethodName = "AddTerm"
});
wf.Activities.Add(forRange);
wf.Activities.Add(new InvokeMethod {
Type = typeof(SequentialWorkflowTest), MethodName = "Sqrt12"
});
wf.Execute(context);
AssertNearlyEqual(Math.PI, context.Variables.Get <double>("pi"));
}
public void GetPi_Expression()
{
var context = new WorkflowContext();
context.Variables.Add(new Variable <double> {
VariableName = "sum", Value = 1.0
});
context.Variables.Add(new Variable <double> {
VariableName = "p", Value = 1.0
});
var wf = new SequentialWorkflow();
var forRange = new ForRange {
Start = 3, Count = 50, Step = 2
};
forRange.Activities.Add(new Expression {
Text = "p *= -3"
});
forRange.Activities.Add(new Expression {
Text = "sum += 1 / (i * p)"
});
wf.Activities.Add(forRange);
wf.Activities.Add(new Expression {
Text = "pi = Math.Sqrt(12) * sum"
});
wf.Execute(context);
AssertNearlyEqual(Math.PI, context.Variables.Get <double>("pi"));
}
public void GetSqrt_Expression()
{
var context = new WorkflowContext();
context.Variables.Add(new Variable <double> {
VariableName = "a", Value = 5.0
});
var wf = new SequentialWorkflow();
wf.Activities.Add(new Expression {
Text = "x = a"
});
var forRange = new ForRange {
Count = 100
};
forRange.Activities.Add(new Expression {
Text = "xi = (x + a / x) / 2"
});
var ifReturn = new If {
Condition = "x == xi"
};
ifReturn.Activities.Add(new Return());
forRange.Activities.Add(ifReturn);
forRange.Activities.Add(new Expression {
Text = "x = xi"
});
wf.Activities.Add(forRange);
wf.Execute(context);
AssertNearlyEqual(Math.Sqrt(5.0), context.Variables.Get <double>("x"));
}
public AstPrinterNode Visit(ForRange node)
{
var printer = new AstPrinterNode(node.ToString());
printer.AddChild(node.Start.Accept(this));
printer.AddChild(node.Finish.Accept(this));
return(printer);
}
/// <summary>
/// Executes a for loop in which iterations may run in parallel.
/// </summary>
/// <param name="fromInclusive">The start index, inclusive.</param>
/// <param name="toExclusive">The end index, exclusive.</param>
/// <param name="body">The delegate that is invoked once per iteration.</param>
public static void For(int fromInclusive, int toExclusive, Action <int> body)
{
Thread[] threads = new Thread[NumThread];
for (int i = 0; i < NumThread; i++)
{
threads[i] = new Thread(arg =>
{
ForRange range = (ForRange)arg !;
for (int j = range.Start; j < range.End; j++)
{
body(j);
}
});
}
for (int i = 0; i < NumThread; i++)
{
threads[i].Start(new ForRange(fromInclusive, toExclusive, i));
}
for (int i = 0; i < NumThread; i++)
{
threads[i].Join();
}
}
public ForLoop(string identifier, ForRange forRange, Body body)
{
Identifier = identifier;
ForRange = forRange;
Body = body;
}