/// <summary>
/// 协变
/// </summary>
public void Test02()
{
IOutList <Parent> parents = new OutList <Parent>();
IOutList <Son> sons = new OutList <Son>();
//parents = sons;//error
sons = parents;
}
static void Main(string[] args)
{
IStack <IStatement> stack = new ExeStack <IStatement>();
IDict <String, int> dictionary = new SymbTable <String, int>();
ILis <int> outL = new OutList <int>();
IDict <int, FileData> fileTab = new FileTable <int, FileData>();
IStatement stm1 = new AssignStatement("a", new ArithmeticExpression('+', new ConstExpression(5), new ConstExpression(4)));
IStatement stm2 = new CompStatement(new AssignStatement("a", new ArithmeticExpression('+', new ConstExpression(5), new ConstExpression(4))), new AssignStatement("b", new ArithmeticExpression('-', new ConstExpression(14), new ConstExpression(4))));
IStatement asgnVar = new AssignStatement("x", new ArithmeticExpression('-', new ConstExpression(50), new ConstExpression(49)));
IStatement ifstm = new IfStatement(new VarExpression("x"), new AssignStatement("x", new ConstExpression(13)), new AssignStatement("x", new ConstExpression(10)));
IStatement stm3 = new CompStatement(asgnVar, new CompStatement(ifstm, new PrintStatement(new VarExpression("x"))));
IStatement stm4 = new CompStatement(new OpenRFile("file", @"c:\users\cristian\documents\visual studio 2015\Projects\Map\Map\ex1.txt"), new CompStatement(new ReadFile(new VarExpression("file"), "x"), new CloseRFile(new VarExpression("file"))));
IStatement stm5 = new CompStatement(new OpenRFile("file", @"c:\users\cristian\documents\visual studio 2015\Projects\Map\Map\ex1.txt"), new CompStatement(new ReadFile(new VarExpression("file"), "x"), new CompStatement(new ReadFile(new VarExpression("file"), "y"), new CloseRFile(new VarExpression("file")))));
stack.push(stm5);
ProgramState ps = new ProgramState(stack, dictionary, outL, fileTab, stm5);
IRepository repo = new Repository(@"c:\users\cristian\documents\visual studio 2015\Projects\Map\Map\OutLog.txt");
repo.Program = ps;
Controller ctrl = new Controller(repo);
TextMenu menu = new TextMenu();
menu.addCommand(new ExitCommand("0", "exit."));
menu.addCommand(new RunExample("1", "Run Program.", ctrl));
menu.show();
Console.ReadKey();
}
