public static void Append(IrExp irExp)
{
if (irExp != null)
irExp.GenerateIrData();
else
Append(" (null)");
}
public IrCJump(AstRelop.OP o, IrExp l, IrExp r, IrName t)
{
left = l; right = r; target = t;
switch (o)
{
case AstRelop.OP.EQ: op = OP.EQ; break;
case AstRelop.OP.NE: op = OP.NE; break;
case AstRelop.OP.LT: op = OP.LT; break;
case AstRelop.OP.LE: op = OP.LE; break;
case AstRelop.OP.GT: op = OP.GT; break;
case AstRelop.OP.GE: op = OP.GE; break;
default: Debug.Assert(false, "Encountered unknown binary operator: value = " + o.ToString()); break;
}
}
public IrBinop(AstBinop.OP b, IrExp l, IrExp r)
{
left = l;
right = r;
switch (b)
{
case AstBinop.OP.ADD: op = OP.ADD; break;
case AstBinop.OP.SUB: op = OP.SUB; break;
case AstBinop.OP.MUL: op = OP.MUL; break;
case AstBinop.OP.DIV: op = OP.DIV; break;
case AstBinop.OP.AND: op = OP.AND; break;
case AstBinop.OP.OR: op = OP.OR; break;
default: Debug.Assert(false, "Encountered unknown binary operator: value = " + b.ToString()); break;
}
}
private bool trivialEXP(IrExp e)
{
return ((null != (e as IrName)) ||
(null != (e as IrConst)) ||
(null != (e as IrTemp)));
}
private IrStmt ObjVarInitStmt(IrExp varLoc, int varOffset, int varIndex, IrExp e)
{
if (0 == (varOffset))
return (new IrMove(new IrMem(varLoc), e));
else
return (new IrMove(new IrMem(new IrBinop(IrBinop.OP.ADD, varLoc, (new IrBinop(IrBinop.OP.MUL, new IrConst(varIndex), cWordSize)))), e));
}
public IrMove(IrExp d, IrExp s)
{
dst=d;
src=s;
}
public IrBinop(OP b, IrExp l, IrExp r)
{
op = b; left = l; right = r;
}
public IrReturn(IrExp e)
{
exp=e;
}
public IrReturn()
{
exp=null;
}
public IrMem(IrExp e)
{
exp=e;
}
private IrStmt getStmt(IrExp e)
{
if (null != (e as IrEseq))
return ((IrEseq) e).stmt;
return null;
}
private IrExp getExp(IrExp e)
{
if (null != (e as IrEseq))
return ((IrEseq) e).exp;
return e;
}
public IrCJump(OP o, IrExp l, IrExp r, IrName t)
{
op = o; left = l; right = r; target = t;
}
public void add(IrExp e)
{
list.Add(e);
}
public IrExpList(IrExp e)
{
list = new List<IrExp>(); list.Add(e);
}