static void main(string[] args)
{
Console.WriteLine("***** Simple Delegate Example*****\n");
// instantiate an instance of "simpleMathClass" see above
SimpleMath m = new SimpleMath();
// so now lets add the add method of the instance of 'simpleMath' to it.
// 'BinaryOp is a delegates that takes 2 ints as parameters and returns an int as a result.
BinaryOp b = new BinaryOp(m.Add);
//invoke Add() method directly using delegate object
Console.WriteLine("Direct invocation... 10+10 is {0}", b(10, 10));
Console.ReadLine();
//invoke Add() method indirectly using delegate object
Console.WriteLine("Indirect invocation,.... 10 + 10 is {0}", b.Invoke(10, 10));
Console.ReadLine();
// Change the target method on the fly
b = new BinaryOp(m.Substract);
Console.WriteLine("Replace add with subtract");
Console.ReadLine();
//invoke the substract method by direactly invoking that delegate
Console.WriteLine("Direct invocation.... 15 - 5 is {0}", b(15, 5));
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Async Delegate Invocation *****");
Console.WriteLine("Main() invoked on thread {0}", Thread.CurrentThread.ManagedThreadId);
BinaryOp b = new BinaryOp(Add);
IAsyncResult iftAR = b.BeginInvoke(10, 10, new AsyncCallback(AddComplete), "Main() thanks you for adding these numbers.");
// using the member method or property of IAsyncResult
// involve in Async process.
//while (!iftAR.IsCompleted)
//{
// Console.WriteLine("Doing more work in Main()");
// Thread.Sleep(1000);
//}
//while (!iftAR.AsyncWaitHandle.WaitOne(1000, true))
//{
// Console.WriteLine("Doing more work in Main()");
//}
while (!isDone)
{
Thread.Sleep(1500);
Console.WriteLine("Woring more work in Main()");
}
// 让第二个线程通知访问线程，当第二个线程的工作完成时。
// 向BeginInvoke中传入AsyncCallback delegate，在BeginInvoke的异步调用结束时，
// AsyncCallback委托会访问一个特殊的方法。
// AsyncCallback委托的原型： public delegate void AsyncCallback(IAsyncResult ar);
//int answer = b.EndInvoke(iftAR);
//Console.WriteLine("10 + 10 is {0}", answer);
Console.WriteLine("Async work is complete!!");
Console.ReadLine();
}
static void Main(string[] args)
{
BinaryOp opCode = new BinaryOp(Add);
Console.WriteLine("Threading!");
Thread t = System.Threading.Thread.CurrentThread;
Console.WriteLine(t.IsAlive);
AppDomain ad = Thread.GetDomain();
Console.WriteLine(ad.FriendlyName);
System.Runtime.Remoting.Contexts.Context ctx = Thread.CurrentContext;
Console.WriteLine("\nMain() thread id: {0}", Thread.CurrentThread.ManagedThreadId);
//Console.WriteLine("waits till Add completes, delegate sum: {0}", opCode.Invoke(10, 30));
//IAsyncResult iAsync = opCode.BeginInvoke(10, 50, null, null);
//the called thread informs the primary thread that it hascompleted
IAsyncResult iAsync = opCode.BeginInvoke(10, 50, new AsyncCallback(AddComplete), "author: naynish c");
Console.WriteLine("Add called async");
//keeps on asking if the call is complete
Console.WriteLine("Check if Add is complete {0}", iAsync.IsCompleted);
//waits for 200 milliseconds and asks if the call is complete
iAsync.AsyncWaitHandle.WaitOne(200);
Console.WriteLine("Check if Add is complete {0}", iAsync.IsCompleted);
//Console.WriteLine("Sum: {0}", opCode.EndInvoke(iAsync));
Console.WriteLine("Check if Add is complete {0}", iAsync.IsCompleted);
ThreadProperties.Basics();
Console.ReadLine();
}
public ExprBinary(Ctx ctx, BinaryOp op, TypeReference type, Expr left, Expr right)
: base(ctx) {
this.Op = op;
this.type = type;
this.Left = left;
this.Right = right;
}
static void WaitCall()
{
Console.WriteLine("***** Async Delegate Review *****");
// Print out the ID of the executing thread.
Console.WriteLine("Main() invoked on thread {0}.",
Thread.CurrentThread.ManagedThreadId);
// Invoke Add() in a asynchronous manner.
BinaryOp b = new BinaryOp(Add);
IAsyncResult res = b.BeginInvoke(10, 10, null, null);
//while (!res.IsCompleted)
//{
// Console.WriteLine("Doing more work in Main()!");
// Thread.Sleep(1000);
//}
while (!res.AsyncWaitHandle.WaitOne(1000, true))
{
Console.WriteLine("Doing more work in Main()!");
}
//Obtain results from Add
int answer = b.EndInvoke(res);
Console.WriteLine("10 + 10 is {0}.", answer);
}
static void Main(string[] args)
{
Console.WriteLine("***** Async Delegate Invocation *****");
// Print out the ID of the executing thread.
Console.WriteLine("Main() invoked on thread {0}.",
Thread.CurrentThread.ManagedThreadId);
BinaryOp b = new BinaryOp(Add);
IAsyncResult iftAR = b.BeginInvoke(10, 10, null, null);
// This message will keep printing until
// the Add() method is finished.
while (!iftAR.IsCompleted)
{
Console.WriteLine("Doing more work in Main()!");
Thread.Sleep(1000);
}
// Now we know the Add() method is complete.
int answer = b.EndInvoke(iftAR);
Console.WriteLine("10 + 10 is {0}.", answer);
Console.ReadLine();
}
//Fold arithmetic and bitwise operations
public override void Visit(BinaryOp<int, TypedExpression<int>> node)
{
if (node.Left is Number && node.Right is Number) {
Console.WriteLine("Folding {0} into {1}", node, node.TypedValue);
int pos = node.Parent.ChildNodes.IndexOf(node);
node.Parent[pos] = new Number(node.TypedValue);
}
}
public BinaryExpression(AbstractExpression exp, BinaryOp op, string yVarName)
{
_xExp = exp;
_yVarName = yVarName;
_op = op;
_scenario = Scenario.ExpVar;
}
public BinaryExpression(AbstractExpression xExp, BinaryOp op, AbstractExpression yExp)
{
_xExp = xExp;
_yExp = xExp;
_op = op;
_scenario = Scenario.ExpExp;
}
public static void Main()
{
BinaryOp b = new BinaryOp(SimpleMath.Add);
// b(10,5) �ϸ� �����δ� b.Invoke(15,5) �� ����
Console.WriteLine("b(10,5) = {0}",b(10,5)); // = 15
b = new BinaryOp(SimpleMath.Subtract);
Console.WriteLine("b(10,5) = {0}", b(10,5)); // = 5
}
static void Main(string[] args)
{
Console.WriteLine("Main() thread id: {0}", Thread.CurrentThread.ManagedThreadId);
BinaryOp opCode = new BinaryOp(Add);
//AsyncCallback delegate
opCode.BeginInvoke(30, 40, new AsyncCallback(AddComplete), null);
Console.ReadLine();
}
public void AddOperation()
{
var d = new BinaryOp(SimpleMath.Add); //static method
//var d2 = new BinaryOp(SimpleMath.SquareNumber); // <-- compile-time error! it is type safe!
DisplayDelegateInfo(d);
Console.WriteLine("10 + 10 is {0}", d(10, 10));
Console.WriteLine("10 + 10 is {0}", d.Invoke(10, 10)); // it is equivalent
}
public static void Main (string[] args)
{
Console.WriteLine ("**Simple Delegate Example**\n");
BinaryOp binary = new BinaryOp(SimpleMath.Add);// create BinaryOp delegate obj 'points to' SimpleMath.Add
DisplayDelegateInfo(binary);
//invoke Add()
Console.WriteLine("10 + 10 = {0}", BinaryOp(10, 10));
Console.ReadLine();
}
private static void DelegateSync()
{
Console.WriteLine("***** Synch Delegate Review *****");
Console.WriteLine("Main() invoked on thread {0}.", Thread.CurrentThread.ManagedThreadId);
BinaryOp b = new BinaryOp(Add);
int answer = b(10, 10);
Console.WriteLine("Doing more work in Main()");
Console.WriteLine("10 + 10 is {0}", answer);
Console.ReadLine();
}
public static int Test_1() {
var s = new BinaryOp(Substract);
s += Summ;
s += Substract;
s += Summ;
Console.WriteLine($"s(5,7) = {s(5, 7)}");
s -= Summ;
Console.WriteLine($"s(5,7) = {s(5, 7)}");
return 0;
}
static void Main(string[] args)
{
Console.WriteLine("***** Simple Delegate Example *****\n");
BinaryOp b = new BinaryOp(SimpleMath.Add);
Console.WriteLine("10 + 10 is {0}", b(10, 10));
DisplayDelegateInfo(b);
Console.ReadLine();
}
public BinaryExpression(string xVarName, BinaryOp op, AbstractExpression exp)
{
if (string.IsNullOrEmpty(xVarName) || exp == null)
{
throw new ArgumentNullException();
}
_xVarName = xVarName;
_yExp = exp;
_op = op;
_scenario = Scenario.VarExp;
}
public BinaryExpression(string xVarName, BinaryOp op, string yVarName)
{
if (string.IsNullOrEmpty(xVarName) || string.IsNullOrEmpty(yVarName))
{
throw new ArgumentNullException();
}
_xVarName = xVarName;
_yVarName = yVarName;
_op = op;
_scenario = Scenario.VarVar;
}
static void Main(string[] args) {
BinaryOp b = new BinaryOp(SimpleMath.Add);
Console.WriteLine("10 + 10 is {0}", b(10,10));
Console.WriteLine("10 + 10 is {0}", b.Invoke(10, 10)); //Also ok
Console.WriteLine();
DisplayDelegateInfo(b);
SimpleMath m = new SimpleMath();
BinaryOp bInst = new BinaryOp(m.Subtract);
DisplayDelegateInfo(bInst);
Console.ReadLine();
}
public BinaryOperation()
{
Console.WriteLine("***********Sync Delegate Review**********");
ReadThread("Constructor Invoked");
BinaryOp binOp = new BinaryOp(Addition);
int x = 10;
int y = 20;
//UseBeginInvoke(binOp, x, y);
//UseBasicCall(binOp, x, y);
UseASyncCallBack(binOp, x, y);
}
static void Main(string[] args)
{
// Create a BinaryOp delegate object that "points to" Simple.Add().
SimpleMath m = new SimpleMath();
BinaryOp b = new BinaryOp(m.Add);
// Invoke Add() method indirectly using delegate object.
Console.WriteLine("10 + 10 is {0}", b(10,10));
// Display the methods that the delegate is pointing to. And, display the classes defining those methods
DisplayDeleateInfo(b);
Console.ReadLine();
}
static void SyncCall()
{
Console.WriteLine("***** Sync Delegate Review *****");
// Print out the ID of the executing thread.
Console.WriteLine("Main() invoked on thread {0}.",
Thread.CurrentThread.ManagedThreadId);
// Invoke Add() in a synchronous manner.
BinaryOp b = new BinaryOp(Add);
// Could also write b.Invoke(10, 10);
int answer = b(10, 10);
// These lines will not execute until
// the Add() method has completed.
Console.WriteLine("Doing more work in Main()!");
Console.WriteLine("10 + 10 is {0}.", answer);
}
public static void AsyncDelegate()
{
Console.WriteLine("AsyncDelegate() on thread Id: {0}", Thread.CurrentThread.ManagedThreadId);
BinaryOp b = new BinaryOp(Add);
IAsyncResult iar = b.BeginInvoke(1, 2, null, null);
//while (!iar.IsCompleted) {
// Console.WriteLine("doing more foreground work...");
// Thread.Sleep(1000);
//}
while (!iar.AsyncWaitHandle.WaitOne(1000, true)) {
Console.WriteLine("doing more foreground work...");
}
int z = b.EndInvoke(iar);
Console.WriteLine("AsyncDelegate() z = {0}", z);
}
static void Main(string[] args)
{
Console.WriteLine("***** Simple Delegate Example *****\n");
// Create a BinaryOp delegate object that
// "points to" SimpleMath.Add().
SimpleMath m = new SimpleMath();
BinaryOp b = new BinaryOp(m.Add);
// Invoke Add() method indirectly using delegate object.
Console.WriteLine("10 + 10 is {0}", b(10, 10));
DisplayDelegateInfo(b);
Console.ReadKey();
}
static void Main(string[] args) {
Console.WriteLine("Async callback delegate");
Console.WriteLine("Main invoked on thread {0}", Thread.CurrentThread.ManagedThreadId);
BinaryOp b = new BinaryOp(Add);
IAsyncResult iftAR = b.BeginInvoke(10, 10, new AsyncCallback(AddComplete), "custom state object");
while (!isDone) {
Thread.Sleep(1000);
Console.WriteLine("-> Doing more work in main");
}
Console.WriteLine("Done...");
Console.ReadLine();
}
static void Main(string[] args)
{
AddSubtractTwoNumbers asm = new AddSubtractTwoNumbers();
BinaryOp a = new BinaryOp(asm.AddMethod);
a(10, 5);
//BinaryOp b = new BinaryOp(asm.SubtractMethod);
a += asm.SubtractMethod;
a(10, 5);
//Console.WriteLine("10 + 5 equals {0}", a(10,5));
//Console.WriteLine("10 - 5 equals {0}", a(10, 5));
//GetDelegateDetails(a);
//Console.WriteLine();
//GetDelegateDetails(a);
Console.ReadKey();
}
void DoProggy()
{
callBack = Add;
callBack += Sub;
foreach (Delegate d in callBack.GetInvocationList())
{
Console.WriteLine("Method Name[" + d.Method + "]");
Console.WriteLine("Type Name[" + d.Target + "]");
}
// do the responsible thing :)
if(callBack != null)
{
callBack(4, 5);
}
}
static void Main(string[] args)
{
Console.WriteLine("***** Simple Delegate Example *****\n");
// Create a BinaryOp delegate object that
// "points to" SimpleMath.Add().
BinaryOp b = new BinaryOp(SimpleMath.Add);
// Invoke Add() method indirectly using delegate object.
Console.WriteLine("10 + 10 is {0}", b(10, 10));
Console.ReadLine();
string[] s1 = { "Hello", "World" };
Console.WriteLine("{0} {1}", s1);
StringUtils.Case(s1, StringUtils.Lower);
Console.WriteLine("{0} {1}", s1);
StringUtils.Case(s1, StringUtils.Upper);
Console.WriteLine("{0} {1}", s1);
}
public static void Main (string[] args)
{
Console.WriteLine ("** AsyncCallbackDelegate Example **");
Console.WriteLine ("Main() invoked on thread {0}", Thread.CurrentThread.ManagedThreadId);
BinaryOp b = new BinaryOp (Add);
IAsyncResult iftAR = b.BeginInvoke (10, 10, new AsyncCallback (AddComplete),
"Main() thanks you for adding these numbers.");
while (!isDone)
{
Thread.Sleep(1000);
Console.WriteLine("Working...");
}
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** AsyncCallbackDelegate Example *****");
Console.WriteLine("Main() invoked on thread {0}.",
Thread.CurrentThread.ManagedThreadId);
BinaryOp b = new BinaryOp(Add);
IAsyncResult iftAR = b.BeginInvoke(10, 10,
new AsyncCallback(AddComplete),
"Thanks for this numbers.");
// Assume other work is performed here...
while (!isDone)
{
Thread.Sleep(1000);
Console.WriteLine("Working....");
}
Console.ReadLine();
}
public static void Main(string[] args)
{
Console.WriteLine("** Sync Delegate Review **");
Console.WriteLine("Main() invoked on thread {0}", Thread.CurrentThread.ManagedThreadId);
BinaryOp b = new BinaryOp(Add);
IAsyncResult iftAR = b.BeginInvoke(10, 10, null, null);
// int answer = b(10, 10);
while (!iftAR.IsCompleted)
{
Console.WriteLine("Doing more work in Main()");
Thread.Sleep(1000);
}
int answer = b.EndInvoke(iftAR);
// Console.WriteLine("Doing more work in main()");
Console.WriteLine("10 + 10 is {0}", answer);
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** AsyncCallbackDelegate Example *****");
Console.WriteLine("Main() invoked on thread {0}.",
Thread.CurrentThread.ManagedThreadId);
BinaryOp b = new BinaryOp(Add);
IAsyncResult ar = b.BeginInvoke(10, 10,
new AsyncCallback(AddComplete),
"Main() thanks you for adding these numbers.");
// Assume other work is performed here...
while (!isDone)
{
Thread.Sleep(1000);
Console.WriteLine("Working....");
}
Console.WriteLine("Finally done!");
Console.ReadLine();
}
static void UseDelegate()
{
BinaryOp op = new BinaryOp(Add);
foreach (var v in op.GetInvocationList())
{
Console.WriteLine("Method {0}", v.Method);
Console.WriteLine("GetType {0}", v.GetType());
Console.WriteLine("Target {0}", v.Target);
}
Console.WriteLine();
op += Sub;
foreach (var v in op.GetInvocationList())
{
Console.WriteLine("Method {0}", v.Method);
Console.WriteLine("GetType {0}", v.GetType());
Console.WriteLine("Target {0}", v.Target);
}
Console.WriteLine();
op -= Add;
foreach (var v in op.GetInvocationList())
{
Console.WriteLine("Method {0}", v.Method);
Console.WriteLine("GetType {0}", v.GetType());
Console.WriteLine("Target {0}", v.Target);
}
Console.WriteLine();
foreach (var v in op.GetInvocationList())
{
Console.WriteLine("Method {0}", ((BinaryOp)v)(10, 100));
}
Console.WriteLine();
}
public void ThreadsWithDelegates()
{
BinaryOp delegateAsync = new BinaryOp((a, b) =>
{
Console.WriteLine("Enter async delegate");
Thread.Sleep(5000);
Console.WriteLine("Exit async delegate");
return(a | b);
});
var iAsyncRes = delegateAsync.BeginInvoke(2, 5, null, null); //call delegate async in thread pool
Console.WriteLine("Not async delegate");
Console.WriteLine($"You can check IsCompleted at any time. IsCompleted = {iAsyncRes.IsCompleted}");
int returnValue = delegateAsync.EndInvoke(iAsyncRes); //will wait until return from async
Console.WriteLine($"Call result = {returnValue}");
}
public static void Main(string[] args)
{
Console.WriteLine("Main invoked on thread: {0}", Thread.CurrentThread.ManagedThreadId);
BinaryOp myAddOp = new BinaryOp(Add);
// compute result on secondary thread
IAsyncResult ar = myAddOp.BeginInvoke(10, 5, new AsyncCallback(OnAddComplete), null);
// do work until the secondary thread is completed
while (!isDone)
{
Console.WriteLine("Doing more work in Main()");
Thread.Sleep(1000);
}
// obtain the result
int result = myAddOp.EndInvoke(ar);
Console.WriteLine("Here's the result: {0}", result);
Console.ReadKey();
}
static void Main()
{
WriteLine("***** Async Delegate Invocation *****");
// Print out the ID of the executing thread.
WriteLine($"Main() invoked on thread {CurrentThread.ManagedThreadId}.");
// Invoke Add() on a secondary thread.
BinaryOp b = new BinaryOp(Add);
IAsyncResult ar = b.BeginInvoke(10, 10, null, null);
// This message will keep printing until the Add() method is finished.
while (!ar.AsyncWaitHandle.WaitOne(1000, true))
{
WriteLine("Doing more work in Main()!");
}
// Obtain the result of the Add() method when ready.
int answer = b.EndInvoke(ar);
WriteLine($"10 + 10 is {answer}.");
ReadLine();
}
IExpression ParseConcatOp(ParseTreeNode node)
{
if (node.Term.Name == "ConcatOp")
{
ParseTreeNode left = node.ChildNodes[0];
IExpression lexpr = ParseAddOp(left);
if (node.ChildNodes[1].ChildNodes.Count == 0)
{
return(lexpr);
}
string opstring = node.ChildNodes[1].ChildNodes[0].Token.ValueString;
BinaryOp op = BinaryOp.Concat;
ParseTreeNode right = node.ChildNodes[1].ChildNodes[1];
IExpression rexpr = ParseAddOp(right);
return(new BinaryExpression()
{
Left = lexpr, Right = rexpr, Operation = op
});
}
throw new Exception("Invalid ConcatOp node");
}
static void Main(string[] args)
{
Console.WriteLine("***** Synch Delegate Review *****");
// Print out the ID of the executing thread.
Console.WriteLine("Main() invoked on thread {0}.",
Thread.CurrentThread.ManagedThreadId);
// Invoke Add() in a synchronous manner.
BinaryOp b = new BinaryOp(Add);
//Console.WriteLine("After BinaryOp");
// Could also write b.Invoke(10, 10);
int answer = b(10, 10);
//int answer = Add(10, 20); // not using delegate
// These lines will not execute until
// the Add() method has completed.
Console.WriteLine("Doing more work in Main()!");
Console.WriteLine("10 + 10 is {0}.", answer);
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Async Delegate Incovation *****");
//print out the ID of the executing thread
Console.WriteLine($"Main() invoked on thread {Thread.CurrentThread.ManagedThreadId}");
//Invoke Add() on a secondary thread
BinaryOp b = new BinaryOp(Add);
IAsyncResult ar = b.BeginInvoke(10, 10, null, null);
//Do other work on primary thread...
while (!ar.IsCompleted)
{
Console.WriteLine($"Doing more work in Main()! #");
Thread.Sleep(1000);
}
//Obtain the result of the Add()
//method when ready
int answer = b.EndInvoke(ar);
Console.WriteLine($"10 + 10 is {answer}");
}
// The callback method must have the same signature as the
// AsyncCallback delegate.
// Will be called after BeginInvoke ending async in secondary thread!
private static void CallbackMethod(IAsyncResult ar)
{
// Retrieve the delegate.
AsyncResult result = (AsyncResult)ar;
BinaryOp caller = result.AsyncDelegate as BinaryOp;
// Retrieve the string that was passed as state
// information.
string someMessage = (string)ar.AsyncState;
Console.WriteLine(someMessage);
// Define a variable to receive the value of the out parameter.
// If the parameter were ref rather than out then it would have to
// be a class-level field so it could also be passed to BeginInvoke.
int threadId = 0;
// Call EndInvoke to retrieve the results.
int returnValue = caller.EndInvoke(ar);
// Use the format string to format the output message.
Console.WriteLine($"Call result = {returnValue}");
}
static void Main(string[] args)
{
Console.WriteLine("Please enter a number to add");
globalInput1 = Console.ReadLine(); // assume data is OK for simplicity
int res = addOperation(5);
Console.WriteLine("result of adding 5 to the input is: {0}", res);
Console.WriteLine("Please enter another number to add");
string Input2 = Console.ReadLine();
Action action = delegate()
{
Console.WriteLine("in annon delegate, see how we can work with the input");
Console.WriteLine(Input2);
};
// this was not active code. Nothing will happen till next command.
action.Invoke();
BinaryOp delOperation = delegate(int a)
{
Console.WriteLine("in annon delegate delOperation");
int numToAdd = int.Parse(Input2);
return(a - numToAdd);
};
// this was not active code. Nothing will happen till next command.
delOperation(5);
}
static void Main(string[] args)
{
Console.WriteLine($"Main() executed on thread #{Thread.CurrentThread.ManagedThreadId}");
BinaryOp op = Add;
//int result = op.Invoke(10, 10);
// Thread thread = new Thread(Add);
IAsyncResult asyncResult = op.BeginInvoke(10, 10, DelegateFinished, "Kind regards from Main()");
//while (!asyncResult.IsCompleted)
//{
// Console.Write(".");
// Thread.Sleep(200);
//}
//Console.WriteLine();
//while (!asyncResult.AsyncWaitHandle.WaitOne(20000, true))
//{
// Console.Write(".");
//}
//Console.WriteLine();
while (!isDone)
{
Console.Write(".");
Thread.Sleep(200);
}
Console.WriteLine();
// thread.Join();
// int result = op.EndInvoke(asyncResult);
// Console.WriteLine($"The result of 10 + 10 is: {result} (thread #{Thread.CurrentThread.ManagedThreadId})");
Console.ReadLine();
}
public void TestExpression()
{
var input = "12 * 3 + foo(-3, x)() * (2 + 1)";
var expected = new BinaryOp(
BinaryOperatorType.Add,
new BinaryOp(
BinaryOperatorType.Mul,
new Literal(12),
new Literal(3)
),
new BinaryOp(
BinaryOperatorType.Mul,
new Call(
new Call(
new Identifier("foo"),
ImmutableArray.Create <IExpr>(
new UnaryOp(UnaryOperatorType.Neg, new Literal(3)),
new Identifier("x")
)
),
ImmutableArray.Create <IExpr>()
),
new BinaryOp(
BinaryOperatorType.Add,
new Literal(2),
new Literal(1)
)
)
);
Assert.Equal(new ExprParser().ParseOrThrow(input), expected);
}
private string GetString(BinaryOp op)
{
switch (op)
{
case BinaryOp.Or:
return(" or ");
case BinaryOp.And:
return(" and ");
case BinaryOp.Add:
return(" + ");
case BinaryOp.Sub:
return(" - ");
case BinaryOp.Mul:
return(" * ");
case BinaryOp.Div:
return(" / ");
case BinaryOp.Mod:
return(" % ");
case BinaryOp.Power:
return(" ^ ");
case BinaryOp.Error:
return(" <err> ");
default:
Contracts.Assert(false);
return(" <bad> ");
}
}
static void Main(string[] args)
{
Console.WriteLine("***** Async Delegate Invocation *****");
// Print out the ID of the executing thread.
Console.WriteLine("Main() invoked on thread {0}.",
Thread.CurrentThread.ManagedThreadId);
// Invoke Add() on a secondary thread.
BinaryOp b = new BinaryOp(Add);
IAsyncResult iftAR = b.BeginInvoke(10, 10, null, null);
// This message will keep printing until
// the Add() method is finished.
while (!iftAR.AsyncWaitHandle.WaitOne(1000, true))
{
Console.WriteLine("Doing more work in Main()!");
}
// Now we know the Add() method is complete.
int answer = b.EndInvoke(iftAR);
Console.WriteLine("10 + 10 is {0}.", answer);
Console.ReadLine();
}
private int PrecedenceLevel(BinaryOp op)
{
switch (op)
{
case BinaryOp.Multiply:
case BinaryOp.Divide:
case BinaryOp.Modulus:
case BinaryOp.ShiftLeft:
case BinaryOp.ShiftRight:
case BinaryOp.And:
case BinaryOp.AndNot:
return(5);
case BinaryOp.Add:
case BinaryOp.Subtract:
case BinaryOp.Or:
case BinaryOp.Xor:
return(4);
case BinaryOp.LogicalEquals:
case BinaryOp.NotEquals:
case BinaryOp.LessThan:
case BinaryOp.LessEqual:
case BinaryOp.GreaterThan:
case BinaryOp.GreaterEqual:
return(3);
case BinaryOp.LogicalAnd:
return(2);
case BinaryOp.LogicalOr:
return(1);
}
return(0);
}
//static ManualResetEvent runSignal = new ManualResetEvent(false);
static void Main(string[] args)
{
Console.WriteLine("Main begins on thread {0}.", Thread.CurrentThread.ManagedThreadId);
BinaryOp caller = Program.Add;
//Initiate the asynchronious call of Addn (on a thread from the thread pool).
AsyncResult asyncResult = (AsyncResult)caller.BeginInvoke(10, 20, AddComplete, null);
int i = 1;
while (!asyncResult.IsCompleted)
{
if (i % 5000000 == 0)
{
Console.WriteLine("From main: " + i);
}
i++;
}
//runSignal.WaitOne();
//Console.WriteLine("Sum is " + sum);
Console.ReadLine();
}
private static void BasicExamples()
{
BasedAdder badder1 = new BasedAdder(10);
BasedAdder badder2 = new BasedAdder(35);
/* Criação de 4 instâncias de BinaryOp, a partir de métodos
* estáticos ou de instância compatíveis com BinaryOp.
*
* Ver em CIL o uso da instrução ldftn.
*/
BinaryOp addV1 = new BinaryOp(Adder.Add);
BinaryOp addV2 = new BinaryOp(Sum);
BinaryOp addV3 = new BinaryOp(badder1.Add);
BinaryOp addV4 = new BinaryOp(badder2.Add);
/* Invocação das 4 instâncias de delegate.
*
* Ver em CIL como as 4 invocações são semelhantes.
*/
Operate(addV1, 3, 4);
Operate(addV2, 3, 4);
Operate(addV3, 3, 4);
Operate(addV4, 3, 4);
}
// 00: ldarg.0 a
// 01: ldarg.1 b
// 02: add.ovf
// 03: ldc.i4.2
// 04: div
public void VisitBinary(BinaryOp binary)
{
do
{
if (m_offset >= 0)
{
break;
}
int i = binary.Index;
if (i < 4)
{
break;
}
if (!DoMatch(i, Code.Div, Code.Div_Un) || !DoMatch(i - 1, Code.Ldc_I4_2))
{
if (!DoMatch(i, Code.Shr, Code.Shr_Un) || !DoMatch(i - 1, Code.Ldc_I4_1))
{
break;
}
}
if (!DoMatch(i - 2, Code.Add, Code.Add_Ovf))
{
break;
}
if (!IntegerHelpers.IsIntOperand(m_info, i - 2, 0) || !IntegerHelpers.IsIntOperand(m_info, i - 2, 1))
{
break;
}
m_offset = binary.Untyped.Offset;
}while (false);
}
static void AddIntBinaryOp(string name, BinaryOp <int> op)
{
AddOpToNativeFunc(name, 2, ValueType.Int, op);
}
static void Main(string[] args)
{
BinaryOp b = new BinaryOp(SimpleMath.Substract);
Console.WriteLine(b(5, 6));
}
protected override void VisitBinaryOp(BinaryOp node, object data)
{
state.Stack.Perform_BinaryOp(node.Op, node.Overflow, node.Unsigned, out exc);
nextNode = node.Next;
}
public abstract Result BinaryOperationTyped(BinaryOp op, ResultSingle right);
public Result BinaryOperation(BinaryOp op, Result right) => right.CallMe(op, this);
static void AddStringBinaryOp(string name, BinaryOp <string> op)
{
AddOpToNativeFunc(name, 2, ValueType.String, op);
}
static void AddFloatBinaryOp(string name, BinaryOp <float> op)
{
AddOpToNativeFunc(name, 2, ValueType.Float, op);
}
protected abstract Result CallMe(BinaryOp op, Result left);
public void Visit(BinaryOp node)
{
VisitLuaFunction(node);
}
static void Main(string[] args)
{
//var tupleLens = Lens<(string, int), int>.Of(s => s.Item2, (a, s) => (s.Item1, a));
//Console.WriteLine(tupleLens.Set(3, ("abc", 2)));
////var prismSubject = Prism<Person, Maybe<Subject>>.Of(s => { return s.IsStudent == true ? Just(s.Subject) : Nothing<Subject>(); }, (a, s) => s.IsStudent == true ? new Person());
BinaryOp rectArea = RectArea;
BinaryOp squareArea = SquareArea;
BinaryOp comb = rectArea + squareArea;
//comb += rectArea;
//comb += squareArea;
WriteLine("---------------");
//foreach (BinaryOp f in comb.GetInvocationList()) {
// WriteLine(f(3, 4));
//}
WriteLine(comb(4, 7));
WriteLine("---------------");
//List(1, 2, 3)
//.Map(x => x + 1)
//.DebugPrint();
//Just(1)
// .Map(x => x + 2)
// .DebugPrint();
//Right<string, int>(1)because most IDEs can be setup to auto line wrap code for those that prefer it
// .Map(x => x + 1)
// .DebugPrint();
//Success<string, int>(1)
// .Map(x => x + 1)
// .DebugPrint();
//Of(1)
// .Map(x => x + 1)
// .DebugPrint();
//List(1, 2, 3).ToCoyo<List<int>, List<int>>()
// .Map(xs => xs.Map(x => x.ToString() + " World!"))
// .Run()
// .DebugPrint();
//List(1).ToYoneda<int>()
//.Map(x => x + 1)
//.RunIEnumerable()
//.DebugPrint();
//Console.WriteLine("Hello World!");
//var read = IO<string>.Of(() => Console.ReadLine());
//var write = Fun<string, IO<int>>(v => IO<int>.Of(() => {
// Console.WriteLine(v);
// return 0;
//}));
//var blah1 = from _1 in write("What's your name?")
// from name in read
// from _2 in write($"Hi {name}, what's your surname?")
// from surname in read
// select $"{name} {surname}";
//var blah2 = Fun(() => {
// Console.WriteLine("What's your name?");
// var name = Console.ReadLine();
// Console.WriteLine($"Hi {name}, what's your surname?");
// var surname = Console.ReadLine();
// return $"{name} {surname}";
//});
//Console.WriteLine(blah2());
//Console.WriteLine(blah1.Compute());
//var pgm2 = Fun<int, string, int, string, string>((u, v, w, x) => $"{v} {x}")
// .LiftM(write("What is your name?"), read, write("what's your surname?"), read);
//Console.WriteLine(pgm2.Compute());
//var firstname = "Jack";
//var lastname = "Sprat";
//Func<string, string> title = prefix => {
// return $"{prefix} {firstname}, {lastname}";
//};
//Console.WriteLine(title("Mr")); // "Mr Jack, Sprat"
string greeting = "";
Action <string> greet = name => {
greeting = $"Hi, {name}";
};
greet("Brian");
Console.WriteLine(greeting); // "Hi, Brian"
//var abs = Math.Abs(Math.Abs(-3));
//var input = new List<int> { 2, 1, 3, 4, 6, 5 };
//Func<int, int> id = x => x;
//var output = input.Map(id);
//output.DebugPrint();
IEnumerable <T> AlternationOf <T>(Func <int, T> fn, int n) => Enumerable.Range(n, n).Select(fn);
//string VowelPattern(int v) => "aeiou".ToCharArray().Map(x => x.ToString()).ToList()[v % 5];
string BinaryPattern(int v) => (v % 2).ToString();
IEnumerable <string> BinaryAlternation(int n) => AlternationOf(BinaryPattern, n);
string BinaryLine(int n) => BinaryAlternation(n).Join(" ");
string BinaryTriangle(int n) => Enumerable.Range(1, n).Map(BinaryLine).Join("\n");
string BinarySquare(int n) => Enumerable.Range(1, n).Map(x => BinaryLine(n)).Join("\n");
WriteLine(BinaryLine(3));
WriteLine(BinaryTriangle(4));
WriteLine(BinarySquare(5));
Measure("Functional1", 10, () => {
int sum3or5(int a, int e) => (e % 3 == 0 || e % 5 == 0) ? a + e : a;
return(Enumerable.Range(0, 1000)
.Aggregate(sum3or5));
});
Measure("Functional2", 10, () => {
return(Enumerable.Range(0, 1000)
.Aggregate((a, e) => e.IsMultipleOf().ForEither(3, 5) ? a + e : a));
});
Measure("Functional3", 10, () => {
return(Enumerable.Range(0, 1000)
.Where(e => e.IsMultipleOf().ForEither(3, 5))
.Sum());
});
Measure("Imperative1", 10, () => {
var total = 0;
for (int i = 1; i < 1000; i++)
{
if (i % 3 == 0 || i % 5 == 0)
{
total += i;
}
}
return(total);
});
Measure("Imperative2", 10, () => {
var total = 0;
foreach (var v in Enumerable.Range(0, 1000))
{
total += (v % 3 == 0 || v % 5 == 0) ? v : 0;
}
return(total);
});
//var t = Try(() => "test")
// .Bind(a => Try<string>(() => throw new Exception()))
// .Bind(a => Try(a.ToUpper));
//var numbers = List(List(1), List(2), List(3), List(4), List(5));
var numbers = List(1, 2, 3, 4, 5);
//numbers.DebugPrint();
var right = Right <string, string>("success");
right.DebugPrint();
var identity = Of("id1");
identity.DebugPrint();
Person num = null;
var maybe = Just(num);
maybe.DebugPrint();
var reader = 2.ToReader < string, int > ();
reader.DebugPrint();
var validation = Success <string, int>(2);
validation.DebugPrint();
var blah = Fun((string a) => WriteLine(a));
blah("Hello World");
var is3or5 = Fun((int a) => a.IsMultipleOf().ForEither(3, 5));
var p = new Point(2, 3);
var(x1, y1) = p;
var shoppingList = new[] {
new { name = "Orange", units = 2.0, price = 10.99, type = "Fruit" },
new { name = "Lemon", units = 1.0, price = 15.99, type = "Fruit" },
new { name = "Apple", units = 4.0, price = 15.99, type = "Fruit" },
new { name = "Fish", units = 1.5, price = 45.99, type = "Meat" },
new { name = "Pork", units = 1.0, price = 38.99, type = "Meat" },
new { name = "Lamb", units = 0.75, price = 56.99, type = "Meat" },
new { name = "Chicken", units = 1.0, price = 35.99, type = "Meat" }
};
var ITotal = 0.0; // identity value / seed value
for (int i = 0; i < shoppingList.Count(); i++)
{
if (shoppingList[i].type == "Fruit") // predicate / where
{
ITotal += shoppingList[i].units * shoppingList[i].price; // reducer / aggregation
}
}
WriteLine($"total = {ITotal}");
var FTotal1 = shoppingList.Fold(0.0, (a, e) => e.type == "Fruit" ? a + e.units * e.price : a);
WriteLine($"fruit total = {FTotal1}");
var FTotal2 = shoppingList.Where(x => x.type == "Fruit").Sum(x => x.units * x.price);
WriteLine($"fruit total = {FTotal2}");
var Mathematics = Tagged(Subject.Mathematics, 70);
var Science = Tagged(Subject.Science, (60, 70, 80));
var Economics = Tagged(Subject.Economics, (60, 70));
var Medicine = Tagged(Subject.Medicine, ("ted", 65, 75.5));
Mathematics
.Map(x => x * 1.1)
.DebugPrint();
Science
.Map(x => (x.Item1 * 1.1, x.Item2 * 1.2, x.Item3 * 1.3))
.DebugPrint();
Economics
.DebugPrint();
Economics.Switch(t => t.Tag)
.Case(Subject.Mathematics, t => WriteLine($"Mathematics: {t}"))
.Case(Subject.Economics, t => WriteLine($"Economics: {t}"))
.Case(Subject.Science, t => WriteLine($"Science: {t}"))
.Else(_ => WriteLine("Default: No Match"));
var res21 = Mathematics.Switch <Tagged <Subject, int>, Subject, int>(t => t.Tag)
.Case(Subject.Mathematics, t => { WriteLine($"Mathematics: {t.Value}"); return(t.Value); })
.Case(Subject.Economics, t => { WriteLine($"Economics: {t.Value}"); return(t.Value); })
.Case(Subject.Science, t => { WriteLine($"Science: {t.Value}"); return(t.Value); })
.Else(_ => { WriteLine("Default: No Match"); return(default); });
static void GenerateNativeFunctionsIfNecessary()
{
if (_nativeFunctions == null)
{
_nativeFunctions = new Dictionary <string, NativeFunctionCall> ();
// Int operations
AddIntBinaryOp(Add, (x, y) => x + y);
AddIntBinaryOp(Subtract, (x, y) => x - y);
AddIntBinaryOp(Multiply, (x, y) => x * y);
AddIntBinaryOp(Divide, (x, y) => x / y);
AddIntBinaryOp(Mod, (x, y) => x % y);
AddIntUnaryOp(Negate, x => - x);
AddIntBinaryOp(Equal, (x, y) => x == y ? 1 : 0);
AddIntBinaryOp(Greater, (x, y) => x > y ? 1 : 0);
AddIntBinaryOp(Less, (x, y) => x < y ? 1 : 0);
AddIntBinaryOp(GreaterThanOrEquals, (x, y) => x >= y ? 1 : 0);
AddIntBinaryOp(LessThanOrEquals, (x, y) => x <= y ? 1 : 0);
AddIntBinaryOp(NotEquals, (x, y) => x != y ? 1 : 0);
AddIntUnaryOp(Not, x => (x == 0) ? 1 : 0);
AddIntBinaryOp(And, (x, y) => x != 0 && y != 0 ? 1 : 0);
AddIntBinaryOp(Or, (x, y) => x != 0 || y != 0 ? 1 : 0);
AddIntBinaryOp(Max, (x, y) => Math.Max(x, y));
AddIntBinaryOp(Min, (x, y) => Math.Min(x, y));
// Float operations
AddFloatBinaryOp(Add, (x, y) => x + y);
AddFloatBinaryOp(Subtract, (x, y) => x - y);
AddFloatBinaryOp(Multiply, (x, y) => x * y);
AddFloatBinaryOp(Divide, (x, y) => x / y);
AddFloatBinaryOp(Mod, (x, y) => x % y); // TODO: Is this the operation we want for floats?
AddFloatUnaryOp(Negate, x => - x);
AddFloatBinaryOp(Equal, (x, y) => x == y ? (int)1 : (int)0);
AddFloatBinaryOp(Greater, (x, y) => x > y ? (int)1 : (int)0);
AddFloatBinaryOp(Less, (x, y) => x < y ? (int)1 : (int)0);
AddFloatBinaryOp(GreaterThanOrEquals, (x, y) => x >= y ? (int)1 : (int)0);
AddFloatBinaryOp(LessThanOrEquals, (x, y) => x <= y ? (int)1 : (int)0);
AddFloatBinaryOp(NotEquals, (x, y) => x != y ? (int)1 : (int)0);
AddFloatUnaryOp(Not, x => (x == 0.0f) ? (int)1 : (int)0);
AddFloatBinaryOp(And, (x, y) => x != 0.0f && y != 0.0f ? (int)1 : (int)0);
AddFloatBinaryOp(Or, (x, y) => x != 0.0f || y != 0.0f ? (int)1 : (int)0);
AddFloatBinaryOp(Max, (x, y) => Math.Max(x, y));
AddFloatBinaryOp(Min, (x, y) => Math.Min(x, y));
// String operations
AddStringBinaryOp(Add, (x, y) => x + y); // concat
AddStringBinaryOp(Equal, (x, y) => x.Equals(y) ? (int)1 : (int)0);
// Special case: The only operation you can do on divert target values
BinaryOp <Path> divertTargetsEqual = (Path d1, Path d2) => {
return(d1.Equals(d2) ? 1 : 0);
};
AddOpToNativeFunc(Equal, 2, ValueType.DivertTarget, divertTargetsEqual);
}
}
