Пример #1
0
        public override void gen(int begin, int after)
        {
            Expr s1 = Index.reduce();
            Expr s2 = Expr.reduce();

            CurrentGenerator.SetArr(Array, s1, s2);
        }
Пример #2
0
 public override void gen(int begin, int after)
 {
     if (Expr is FuncCall)
     {
         if (t == null)
         {
             emitfunSet(Expr, Id);
         }
         else
         {
             emitfunSet(Expr, t);
         }
     }
     else
     {
         if (t == null)
         {
             CurrentGenerator.Set(Id, Expr.gen());
         }
         else
         {
             CurrentGenerator.Set(t, Expr.gen());
         }
     }
 }
Пример #3
0
        public override void gen(int begin, int after)
        {
            CurrentGenerator.Goto(after);
            foreach (var item in Params.ParamList)
            {
                if (item is OptParam)
                {
                    CurrentGenerator.OptParam(item as OptParam, (item as OptParam).DefaultValue, item.ParamType);
                }
                else
                {
                    CurrentGenerator.Param(item, item.ParamType);
                }
            }

            int label  = CurrentGenerator.AllocLabel();
            int label2 = CurrentGenerator.AllocLabel();

            ExitLabel = label2;
            CurrentGenerator.Label(label);
            CurrentGenerator.LabelFunc(this);
            Stmt.gen(begin, after);
            CurrentGenerator.LabelFuncEnd(this);
            CurrentGenerator.Label(ExitLabel);
            //CurrentGenerator.Return(null);
        }
Пример #4
0
        public override void gen(int begin, int after)
        {
            int label = CurrentGenerator.AllocLabel();

            Expr.jumping(0, after);
            CurrentGenerator.Label(label);
            Stmt.gen(label, after);
        }
Пример #5
0
        public override Expr reduce()
        {
            Expr x = gen();
            Temp t = new Temp(Type);

            CurrentGenerator.Temp(t);
            CurrentGenerator.Set(t, x);
            return(t);
        }
Пример #6
0
        public override void gen(int begin, int after)
        {
            this.after = after;
            this.begin = begin;
            int label = CurrentGenerator.AllocLabel();

            Stmt.gen(label, begin);
            CurrentGenerator.Label(label);
            Expr.jumping(begin, 0);
        }
Пример #7
0
        public override void gen(int begin, int after)
        {
            int label1 = CurrentGenerator.AllocLabel();
            int label2 = CurrentGenerator.AllocLabel();

            Expr.jumping(0, label2);

            CurrentGenerator.Label(label1); Stmt1.gen(label1, after); CurrentGenerator.Goto(after);
            CurrentGenerator.Label(label2); Stmt2.gen(label2, after);
        }
Пример #8
0
 public override void jumping(int t, int f)
 {
     if (this == True && t != 0)
     {
         CurrentGenerator.Goto(t);
     }
     else if (this == False && f != 0)
     {
         CurrentGenerator.Goto(f);
     }
 }
Пример #9
0
        public override void jumping(int t, int f)
        {
            int l = f != 0 ? f : CurrentGenerator.AllocLabel();

            First.jumping(0, l);
            Second.jumping(t, f);
            if (f == 0)
            {
                CurrentGenerator.Label(l);
            }
        }
Пример #10
0
        //Program  -> Block
        public void Program()
        {
            move();
            s = Modules();
            CurrentGenerator.Start(top.SubTables.First());
            int begin = CurrentGenerator.AllocLabel(), after = CurrentGenerator.AllocLabel();

            CurrentGenerator.Label(begin);
            s.gen(begin, after);
            CurrentGenerator.Label(after);
            CurrentGenerator.End();
        }
Пример #11
0
        public override void jumping(int t, int f)
        {
            int label = t != 0 ? t : CurrentGenerator.AllocLabel();

            First.jumping(label, 0);
            Second.jumping(t, f);

            if (t == 0)
            {
                CurrentGenerator.Label(label);
            }
        }
Пример #12
0
        public override Expr reduce()
        {
            foreach (var item in FunParams)
            {
                CurrentGenerator.Param(item);
            }
            Temp t = new Temp(Func.Params.ReturnType);

            CurrentGenerator.Temp(t);
            CurrentGenerator.Call(t, Func);
            CurrentGenerator.CallEnd();
            return(t);
        }
Пример #13
0
        public override Expr gen()
        {
            int  f = CurrentGenerator.AllocLabel();
            int  a = CurrentGenerator.AllocLabel();
            Temp t = new Temp(Type);

            CurrentGenerator.Temp(t);
            jumping(0, f);
            CurrentGenerator.Set(t, Constant.True);
            CurrentGenerator.Goto(a);
            CurrentGenerator.Label(f);
            CurrentGenerator.Set(t, Constant.False);
            CurrentGenerator.Label(a);
            return(t);
        }
Пример #14
0
 public virtual void emitjumps(Expr s, int truejump, int falsejump)
 {
     if (truejump != 0 && falsejump != 0)
     {
         CurrentGenerator.If(s, truejump);
         CurrentGenerator.Goto(falsejump.ToString());
     }
     else if (truejump != 0)
     {
         CurrentGenerator.If(s, truejump);
     }
     else if (falsejump != 0)
     {
         CurrentGenerator.IfFalse(s, falsejump);
     }
 }
Пример #15
0
 public override void gen(int begin, int after)
 {
     if (First == Null)
     {
         Second.gen(begin, after);
     }
     else if (Second == Null)
     {
         First.gen(begin, after);
     }
     else
     {
         int label = CurrentGenerator.AllocLabel();
         First.gen(begin, label);
         CurrentGenerator.Label(label);
         Second.gen(label, after);
     }
 }
Пример #16
0
 public override void gen(int begin, int after)
 {
     if (Parent.Params.ReturnType != ReserveType.Void)
     {
         if (!ReserveType.ConvertableT1T2(Parent.Params.ReturnType, ReturnVal.Type))
         {
             throw new TypeMisMatchException(this.lexline, ReturnVal.Type, Parent.Params.ReturnType.ToString());
         }
         Temp t = new Temp(Parent.Params.ReturnType);
         CurrentGenerator.Temp(t);
         new Set(t, ReturnVal).gen(begin, after);
         CurrentGenerator.Return(t);
     }
     else
     {
         CurrentGenerator.Return(null);
     }
     //emitLabel(Parent.ExitLabel);
 }
Пример #17
0
 public override void gen(int begin, int after)
 {
     if (Caller.FunParams.Count() > 0)
     {
         foreach (var item in Caller.FunParams)
         {
             if (item.Param is FuncCall)
             {
                 Temp t = new Temp(Caller.Func.Params.ReturnType);
                 CurrentGenerator.Temp(t);
                 emitfunSet(item.Param, t);
                 CurrentGenerator.Param(t);
             }
             else
             {
                 CurrentGenerator.Param(item);
             }
         }
     }
     CurrentGenerator.Label(CurrentGenerator.AllocLabel());
     CurrentGenerator.Call(Caller);
     CurrentGenerator.CallEnd();
 }
Пример #18
0
        //public int newlabel()
        //{
        //    return CurrentGenerator.AllocLabel();
        //}

        //public void emitLabel(int i)
        //{
        //    CurrentGenerator.Label("L" + i.ToString());

        //}

        //public void emit(string s)
        //{
        //    CurrentIO.EmitLine(s);
        //}

        //public void emitSrc(string s)
        //{
        //    CurrentIO.EmitSource(s);
        //}

        public void emitfunSet(Expr exp, Expr toVar)
        {
            FuncCall c = exp as FuncCall;

            if (c.FunParams?.Count() > 0)
            {
                foreach (PassParam item in c.FunParams)
                {
                    if (item.Param is FuncCall)
                    {
                        Temp t = new Temp(toVar.Type);
                        CurrentGenerator.Temp(t);
                        emitfunSet(item.Param, t);
                        CurrentGenerator.Param(t);
                    }
                    else
                    {
                        CurrentGenerator.Param(item);
                    }
                }
            }
            CurrentGenerator.Call(toVar, c.Func);
            CurrentGenerator.CallEnd();
        }
Пример #19
0
 public override void gen(int begin, int after)
 {
     CurrentGenerator.Goto(Stmt.begin);
 }
Пример #20
0
 public override void gen(int begin, int after)
 {
     CurrentGenerator.EscapeScope(Symbols);
 }