# gsharpc支持的C#语法的例子
# C#版合约例子
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using static UVMCoreLib.UVMCoreFuncs;
using UVMCoreLib;
namespace DemoContract1
{
public class Storage
{
public string Name { get; set; }
public int Age { get; set; }
public string Country; // field test
public bool IsMale { get; set; }
public UVMArray<string> ArrayDemo { get; set; }
}
public class MyEventEmitteer : IUVMEventEmitter
{
public static void EmitHello(string eventArg)
{
Console.WriteLine("event Hello emited, arg is " + eventArg);
}
public static void EmitHello2(string eventArg)
{
Console.WriteLine("event Hello2 emited, arg is " + eventArg);
}
}
public class MyContract : UVMContract<Storage>
{
public MyContract() : base(new Storage())
{
}
public override void init()
{
print("contract initing");
this.storage.Age = 100;
this.storage.Country = "China";
this.storage.Name = "C#";
this.storage.IsMale = true;
this.storage.ArrayDemo = UVMArray<string>.Create();
this.storage.ArrayDemo.Add("hello");
pprint(this);
print("this is contract init api");
}
public string GetAge(string arg)
{
print("this is contract getAge api");
return "" + this.storage.Age;
}
public string OfflineGetAge(string arg)
{
print("this is contract OfflineGetAge api");
print("age is " + this.storage.Age);
return "" + this.storage.Age;
}
public void TestHello(string arg)
{
print("this is contract hello api with argument " + arg);
}
}
public class ExampleLibClass
{
public MyContract Main()
{
print("start of demo C# contract");
var contract = new MyContract();
print("end main");
return contract;
}
}
}
# C#中调用调试合约的例子
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace GsharpDemo1
{
class Program
{
static void Main(string[] args)
{
var contractEntry = new ExampleLibClass();
var contract = contractEntry.Main();
contract.storage = new Storage();
contract.storage.Age = 25;
contract.storage.Name = "gsharpc";
contract.storage.IsMale = true;
contract.storage.Country = "China";
Console.WriteLine(contract.OfflineGetAge("hello"));
}
}
}
# C#版更多语法的例子
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using static UVMCoreLib.UVMCoreFuncs;
using UVMCoreLib;
namespace Demo1
{
public class Storage
{
public string Name { get; set; }
public int Age { get; set; }
public string Country; // field test
public bool IsMale { get; set; }
}
public class HelloContract
{
public void SayHello(string arg)
{
print("hello, this is hello contract api SayHello with arg " + tostring(arg));
}
}
public class MyEventEmitteer : IUVMEventEmitter
{
public static void EmitHello(string eventArg)
{
Console.WriteLine("event Hello emited, arg is " + eventArg);
}
public static void EmitHello2(string eventArg)
{
Console.WriteLine("event Hello2 emited, arg is " + eventArg);
}
}
public class MyContract : UVMContract<Storage>
{
public MyContract() : base(new Storage())
{
}
public override void init()
{
print("contract initing");
this.storage.Age = 100;
this.storage.Country = "China";
this.storage.Name = "C#";
pprint(this);
print("this is contract init api end");
}
public string GetAge(string arg)
{
print("this is contract getAge api");
return "" + this.storage.Age;
}
public string OfflineGetAge(string arg)
{
print("this is contract OfflineGetAge api");
print("age is " + this.storage.Age);
return "" + this.storage.Age;
}
public void TestHello(string arg)
{
print("this is contract hello api with argument " + arg);
}
}
public class ExampleLibClass
{
public int SayHi()
{
Console.WriteLine("hello,\tCecil");
var a = 5;
var b = 100;
var sum = 3;
if (b > 50)
{
Console.WriteLine("hello, this is if condition=true branch");
}
else if (b > 25)
{
Console.WriteLine("hello, this is if elseif condition branch");
}
else
{
Console.WriteLine("hello, this is if condition=else branch");
}
var d = "a " + sum;
Console.WriteLine(b);
Console.WriteLine("hello world");
Console.WriteLine("sum is " + 123);
Console.WriteLine("sum is " + d);
Console.WriteLine(a + b);
print("" + 123);
return a + b + 1234;
}
public void TestIf()
{
Console.WriteLine("this is test if function");
var b = 30;
if (b > 50)
{
Console.WriteLine("hello, this is if condition=true branch");
}
else if (b > 25)
{
Console.WriteLine("hello, this is if elseif condition branch");
}
else
{
Console.WriteLine("hello, this is if condition=else branch");
}
}
public void TestFor()
{
int sum = 0;
for (var i = 0; i < 10; ++i)
{
sum += i;
Console.WriteLine("for loop in");
}
Console.WriteLine("test for sum is " + sum); // sum=45
}
public void TestWhile()
{
int sum = 0;
int i = 0;
while (i < 10)
{
sum += i;
Console.WriteLine("while loop in");
i++;
}
Console.WriteLine("test while loop sum is " + sum); // sum=45
}
public void TestCompare()
{
var a = 5;
Console.WriteLine("5==5 is " + ((a == 5) ? "true" : "false"));
Console.WriteLine("4<5 is " + ((4 < a) ? "true" : "false"));
if (a == 5)
{
Console.WriteLine("a==5");
}
else
{
Console.WriteLine("a!=5");
}
}
public void TestContinue()
{
Console.WriteLine("test continue case");
int sum = 0;
for (var i = 0; i < 10; ++i)
{
if (i == 5)
{
Console.WriteLine("continue when i=" + i);
continue;
}
sum += i;
Console.WriteLine("for loop in");
}
Console.WriteLine("test for sum with continue is " + sum); // sum=40
}
public void TestBreak()
{
Console.WriteLine("test break case");
int sum = 0;
for (var i = 0; i < 10; ++i)
{
if (i == 5)
{
Console.WriteLine("break when i=" + i);
break;
}
sum += i;
Console.WriteLine("for loop in");
}
Console.WriteLine("test for sum with break is " + sum); // sum = 10
}
public int TestFuncArg(int a, int b, String name, bool c)
{
Console.WriteLine(a);
Console.WriteLine(b);
Console.WriteLine("name=" + name); // name=C#
Console.WriteLine("c=" + c); // c=true
Console.WriteLine("hi " + c); // hi true
Console.WriteLine("args a + b = " + (a + b)); // a+b=11 when a = 5, b = 6
a = 10;
b = 20;
return a + b; // should be 30
}
public void TestMultiConcat()
{
int a = 1;
// 不支持超过2个字符串的字符串连接,因为.net数组是0-based,uvm数组是1-based
// Console.WriteLine("TestMultiConcat " + a + " and " + a);
}
public void TestArithmeticOperators()
{
var a = 8;
var b = 3;
var c = a - b;
Console.WriteLine("8-3=" + c); // 8-3=5
Console.WriteLine("8*3=" + (a * b)); // 8*3=24
Console.WriteLine("8/3=" + (a / b)); // 8/3=2, 整数除法
Console.WriteLine("8 div 3=" + div(a, b)); // 8 div 3=2.666, 浮点除法
Console.WriteLine("8 idiv 3=" + idiv(a, b)); // 8 idiv 3=2 整数除法
Console.WriteLine("7%3=" + (7 % b)); // 7%3=1
// 因为0在uvm中是布尔真值,所以暂时用一个单独的函数库做布尔运算
Console.WriteLine("true && false=" + and(true, false)); // true && false = false
Console.WriteLine("true || false=" + or(true, false)); // true || false = true
Console.WriteLine("9&3=" + (9 & b)); // 9&3=1
Console.WriteLine("9|3=" + (9 | b)); // 9|3=11
Console.WriteLine("9^3=" + (9 ^ b)); // 9^3=10
Console.WriteLine("8>>3=" + (a >> b)); // 8>>3=1
Console.WriteLine("8<<3=" + (a << 3)); // 8<<3=64
var t = true;
print("-8=" + (-a)); // -8=-8
print("-8=" + neg(a)); // -8=-8
print("!true=" + (!t)); // !true=0 这里.net字节码把布尔当0/1 int处理
print("!true=" + not(t)); // !true=false
}
public void TestPlainObject()
{
var storage = new Storage();
storage.Name = "C#";
storage.Age = 100;
storage.IsMale = true;
storage.Country = "China";
Console.WriteLine("storage name is " + storage.Name);
Console.WriteLine("storage age is " + storage.Age);
Console.WriteLine("storage isMale is " + storage.IsMale);
print("storage country is " + storage.Country);
pprint(storage);
pprint(null);
}
public void TestArray()
{
var array1 = UVMArray<int?>.Create();
array1.Add(1);
array1.Add(2);
array1.Add(3);
array1.Add(4);
pprint(array1);
print("array 1 size is " + array1.Count()); // 4
array1.Set(4, 2);
print("array[4] is " + array1.Get(4)); // 2
array1.Pop();
print("array 1 after changed size is " + array1.Count()); // 3
print("array[3] is " + array1.Get(3)); // 3
for (int i = 1; i <= array1.Count(); ++i)
{
var item = array1.Get(i);
print("index: " + i);
print("value: " + item);
}
}
public void TestMap()
{
var map1 = UVMMap<string>.Create();
map1.Set("name", "C#");
map1.Set("country", "China");
Console.WriteLine("map1's name is " + map1.Get("name"));
Console.WriteLine("map1's country is " + map1.Get("country"));
// 遍历map的demo
var map1PairsIter = map1.Pairs();
pprint(map1PairsIter);
var keyValuePair = map1PairsIter(map1, null);
pprint(keyValuePair);
print(keyValuePair.Key);
print(keyValuePair.Value);
while (keyValuePair.Key != null)
{
Console.WriteLine("key: " + tostring(keyValuePair.Key));
Console.WriteLine("value: " + tostring(keyValuePair.Value));
if (keyValuePair.Key == "name")
{
print("found key==name pair");
}
keyValuePair = map1PairsIter(map1, keyValuePair.Key);
}
}
public void TestEmitEvent()
{
MyEventEmitteer.EmitHello("hello");
var a = 3;
var b = 4;
MyEventEmitteer.EmitHello2("" + (a + b));
}
public void TestModules()
{
// 引用string模块,UVMStringModule类型是返回的模块对象的类型,必须用合适的类型来引用合适的模块
var strModule = importModule<UVMStringModule>("string");
pprint("string module: " + tojsonstring(strModule));
// 可以调用string模块的函数来获取字符串长度,也可以用C#的字符串类型的内置Length属性来获取字符串长度
var helloLength = "hello".Length;
var helloLength2 = strModule.Len("hello");
print("hello string length is: " + helloLength);
print("hello string length2 is: " + helloLength2);
var tableModule = importModule<UVMTableModule>("table");
var table1 = UVMArray<string>.Create();
table1.Add("a");
tableModule.Append(table1, "b");
var table1Count = tableModule.Length(table1);
print("table1 size is: " + table1Count);
var mathModule = importModule<UVMMathModule>("math");
var floor1 = mathModule.Floor(3.3);
print("floor(3.3) = " + floor1);
var abs1 = mathModule.Abs(-4);
print("abs(-4) = " + abs1);
var pi = mathModule.pi;
print("pi = " + pi);
var timeModule = importModule<UVMTimeModule>("time");
print("date: " + timeModule.Tostr(1494301754));
var jsonModule = importModule<UVMJsonModule>("json");
print("dumps of json module is: " + jsonModule.Dumps(jsonModule));
var typeOfNumber = Type(123);
print("type(123) = " + typeOfNumber);
var array1 = UVMArray<string>.Create();
array1.Add("a");
array1.Add("b");
print("rawlen(['a', 'b'])=" + rawlen(array1));
print("caller_address = " + tostring(caller_address())); // 非合约中会返回nil
var array1Iter = array1.Ipairs();
var array1keyValuePair = array1Iter(array1, 0);
while(array1keyValuePair.Key != null)
{
print("key: " + array1keyValuePair.Key);
print("value: " + array1keyValuePair.Value);
array1keyValuePair = array1Iter(array1, array1keyValuePair.Key);
}
}
public void TestImportContract()
{
var helloContract = importContract<HelloContract>("hello");
helloContract.SayHello("C#");
}
/**
* 这是程序入口,必需,且必须是非static方法.如果是要定义合约,需要返回类型是一个合约类型
*/
public MyContract Main()
{
print("start of demo C# contract \r\n another line");
var result = SayHi();
Console.WriteLine("SayHi result is " + result);
TestIf();
TestFor();
TestWhile();
TestContinue();
TestCompare();
TestBreak();
var testFuncArgResult = TestFuncArg(5, 6, "C#", true);
Console.WriteLine("testFuncArg result is " + testFuncArgResult);
TestArithmeticOperators();
TestPlainObject();
TestArray();
TestMap();
TestEmitEvent();
TestModules();
// TestImportContract();
var contract = new MyContract();
contract.storage = new Storage();
contract.init();
pprint(contract);
var offlineGetAgeRet = contract.OfflineGetAge("");
print("OfflineGetAge ret is " + offlineGetAgeRet);
print("end main");
return contract;
}
}
}