public static string ToPrettyString(this FOpCode type)
{
if (type == FOpCode.PushCst)
{
return("push.cst");
}
if (type == FOpCode.PushGlb)
{
return("push.glb");
}
if (type == FOpCode.PushI16)
{
return("push.i16");
}
if (type == FOpCode.PushVar)
{
return("push.var");
}
return(type.ToString().ToLowerInvariant());
}
public static string ToPrettyString(this FOpCode type)
{
switch (type)
{
case FOpCode.PushCst:
return("push.cst");
case FOpCode.PushLoc:
return("push.loc");
case FOpCode.PushGlb:
return("push.glb");
case FOpCode.PushI16:
return("push.i16");
case FOpCode.PushVar:
return("push.var");
}
return(type.ToString().ToLowerInvariant());
}
static OpCodePair TokenToOpCodes(Token t, ComparisonType comp = 0, DataType data = 0, InstanceType inst = (InstanceType)1)
{
if (t is NormalToken && ((NormalToken)t).Kind == TokenKind.OpCode)
{
switch (((NormalToken)t).Type)
{
case TokenType.Conv:
return(new OpCodePair {
VersionE = EOpCode.Conv, VersionF = FOpCode.Conv
});
case TokenType.Mul:
return(new OpCodePair {
VersionE = EOpCode.Mul, VersionF = FOpCode.Mul
});
case TokenType.Div:
return(new OpCodePair {
VersionE = EOpCode.Div, VersionF = FOpCode.Div
});
case TokenType.Rem:
return(new OpCodePair {
VersionE = EOpCode.Rem, VersionF = FOpCode.Rem
});
case TokenType.Mod:
return(new OpCodePair {
VersionE = EOpCode.Mod, VersionF = FOpCode.Mod
});
case TokenType.Add:
return(new OpCodePair {
VersionE = EOpCode.Add, VersionF = FOpCode.Add
});
case TokenType.Sub:
return(new OpCodePair {
VersionE = EOpCode.Sub, VersionF = FOpCode.Sub
});
case TokenType.And:
return(new OpCodePair {
VersionE = EOpCode.And, VersionF = FOpCode.And
});
case TokenType.Or:
return(new OpCodePair {
VersionE = EOpCode.Or, VersionF = FOpCode.Or
});
case TokenType.Xor:
return(new OpCodePair {
VersionE = EOpCode.Xor, VersionF = FOpCode.Xor
});
case TokenType.Neg:
return(new OpCodePair {
VersionE = EOpCode.Neg, VersionF = FOpCode.Neg
});
case TokenType.Not:
return(new OpCodePair {
VersionE = EOpCode.Not, VersionF = FOpCode.Not
});
case TokenType.Shl:
return(new OpCodePair {
VersionE = EOpCode.Shl, VersionF = FOpCode.Shl
});
case TokenType.Shr:
return(new OpCodePair {
VersionE = EOpCode.Shr, VersionF = FOpCode.Shr
});
case TokenType.Clt:
return(new OpCodePair {
VersionE = EOpCode.Clt, VersionF = FOpCode.Cmp
});
case TokenType.Cle:
return(new OpCodePair {
VersionE = EOpCode.Cle, VersionF = FOpCode.Cmp
});
case TokenType.Ceq:
return(new OpCodePair {
VersionE = EOpCode.Ceq, VersionF = FOpCode.Cmp
});
case TokenType.Cne:
return(new OpCodePair {
VersionE = EOpCode.Cne, VersionF = FOpCode.Cmp
});
case TokenType.Cge:
return(new OpCodePair {
VersionE = EOpCode.Cge, VersionF = FOpCode.Cmp
});
case TokenType.Cgt:
return(new OpCodePair {
VersionE = EOpCode.Cgt, VersionF = FOpCode.Cmp
});
case TokenType.Set:
return(new OpCodePair {
VersionE = EOpCode.Set, VersionF = FOpCode.Set
});
case TokenType.Dup:
return(new OpCodePair {
VersionE = EOpCode.Dup, VersionF = FOpCode.Dup
});
case TokenType.Ret:
return(new OpCodePair {
VersionE = EOpCode.Ret, VersionF = FOpCode.Ret
});
case TokenType.Exit:
return(new OpCodePair {
VersionE = EOpCode.Exit, VersionF = FOpCode.Exit
});
case TokenType.Pop:
return(new OpCodePair {
VersionE = EOpCode.Pop, VersionF = FOpCode.Pop
});
case TokenType.Br:
return(new OpCodePair {
VersionE = EOpCode.Br, VersionF = FOpCode.Br
});
case TokenType.Brt:
return(new OpCodePair {
VersionE = EOpCode.Brt, VersionF = FOpCode.Brt
});
case TokenType.Brf:
return(new OpCodePair {
VersionE = EOpCode.Brf, VersionF = FOpCode.Brf
});
case TokenType.PushEnv:
return(new OpCodePair {
VersionE = EOpCode.PushEnv, VersionF = FOpCode.PushEnv
});
case TokenType.PopEnv:
return(new OpCodePair {
VersionE = EOpCode.PopEnv, VersionF = FOpCode.PopEnv
});
case TokenType.Push:
FOpCode pt = FOpCode.PushCst;
switch (data)
{
case DataType.Variable:
if (inst <= InstanceType.Other)
{
pt = FOpCode.PushVar;
}
break;
case DataType.Int16:
pt = FOpCode.PushI16;
break;
}
if (inst == InstanceType.Global)
{
pt = FOpCode.PushGlb;
}
return(new OpCodePair {
VersionE = EOpCode.Push, VersionF = pt
});
case TokenType.Call:
return(new OpCodePair {
VersionE = EOpCode.Call, VersionF = FOpCode.Call
});
case TokenType.Break:
return(new OpCodePair {
VersionE = EOpCode.Break, VersionF = FOpCode.Break
});
case TokenType.Cmp:
EOpCode ct;
switch (comp)
{
case ComparisonType.LowerThan:
ct = EOpCode.Clt;
break;
case ComparisonType.LTOrEqual:
ct = EOpCode.Cle;
break;
case ComparisonType.Equality:
ct = EOpCode.Ceq;
break;
case ComparisonType.Inequality:
ct = EOpCode.Cne;
break;
case ComparisonType.GTOrEqual:
ct = EOpCode.Cge;
break;
case ComparisonType.GreaterThan:
ct = EOpCode.Cgt;
break;
default:
throw new ArgumentOutOfRangeException(nameof(comp));
}
return(new OpCodePair {
VersionE = ct, VersionF = FOpCode.Cmp
});
case TokenType.PushCst:
return(new OpCodePair {
VersionE = EOpCode.Push, VersionF = FOpCode.PushCst
});
case TokenType.PushLoc:
return(new OpCodePair {
VersionE = EOpCode.Push, VersionF = FOpCode.PushLoc
});
case TokenType.PushGlb:
return(new OpCodePair {
VersionE = EOpCode.Push, VersionF = FOpCode.PushGlb
});
case TokenType.PushVar:
return(new OpCodePair {
VersionE = EOpCode.Push, VersionF = FOpCode.PushVar
});
case TokenType.PushI16:
return(new OpCodePair {
VersionE = EOpCode.Push, VersionF = FOpCode.PushI16
});
}
}
throw new ArgumentException($"Expected opcode token, got '{t}' {Pos(t)}.");
}
