public InstructionMemoryOpAndOpAndOp(String label, Byte instruction, MemoryOp memoryOp, Op op1, Op op2)
: base(label, instruction, (Byte)(1 + memoryOp.byteLength + op1.byteLength + op2.byteLength))
{
this.memoryOp = memoryOp;
this.op1 = op1;
this.op2 = op2;
}
public void JE(String label)
{
Debug("MOV");
if (!assemblyBuilder.inFunction)
{
throw ParseError("JE Instruction must be in a func");
}
OperandToken condOperand1 = tokenizer.NextOperand();
Debug("COND1 : {0}", condOperand1);
OperandToken condOperand2 = tokenizer.NextOperand();
Debug("COND2 : {0}", condOperand2);
OperandToken jumpOperand = tokenizer.NextOperand();
Debug("JMP : {0}", jumpOperand);
MemoryOp condOp1 = condOperand1.GetMemoryOp(assemblyBuilder.currentFunction);
Op condOp2 = condOperand2.GetOp(assemblyBuilder.currentFunction);
Op jumpOp = jumpOperand.GetJumpOp(assemblyBuilder.currentFunction);
assemblyBuilder.currentFunction.AddInstruction(new InstructionMemoryOpAndOpAndOp(label, Instructions.Move,
condOp1, condOp2, jumpOp));
}
public static UInt64 EmitJumpBIfEQ(byte[] byteCode, UInt64 offset, MemoryOp cnd1, Op cnd2, Op jmp)
{
byteCode[offset++] = Instructions.JumpBIfEQ;
offset = cnd1.Emit(byteCode, offset);
offset = cnd2.Emit(byteCode, offset);
return(jmp.Emit(byteCode, offset));
}
private void MoveTest(params MemAndValue[] t)
{
UInt64 offset;
memory.Reset();
//
// Generate Code
//
offset = 0;
for (int i = 0; i < t.Length; i++)
{
offset = ByteCode.EmitAssign(byteCode, offset, t[i].dst, t[i].src);
}
byteCode[offset++] = Instructions.Halt;
//
// Run Code
//
Assert.AreEqual(offset, InstructionProcessor.Execute(byteCode, 0, memory));
//
// Test Results
//
memory.Print(0, 16);
for (int i = 0; i < t.Length; i++)
{
MemoryOp dst = t[i].dst;
Op src = t[i].src;
Console.WriteLine("Asserting [{0}] EmitMem={1}, EmitVal={2}", i, dst, src);
Byte[] emitWriteCode = new Byte[dst.byteLength];
Byte[] emitReadCode = new Byte[src.byteLength];
dst.Emit(emitWriteCode, 0);
src.Emit(emitReadCode, 0);
offset = 0;
Memory.ReadOperandLogic emitWriteReadOperand = memory.ParseWriteOperandForReading(emitWriteCode, ref offset);
Assert.AreEqual((UInt64)emitWriteCode.Length, offset);
offset = 0;
Memory.ReadOperandLogic emitReadReadOperand = memory.ParseReadOperand(emitReadCode, ref offset);
Assert.AreEqual((UInt64)emitReadCode.Length, offset);
Assert.IsTrue(memory.TestEquals(emitWriteReadOperand, emitReadReadOperand));
}
}
/*
* public void dotMain(String label)
* {
* Debug(".main");
*
* if (!assembly.inFunction) throw ParseError(".main command must be in a func");
* if (label != null) throw ParseError(".main can't be labeled");
*
* assembly.CurrentFunctionIsMain();
* parseState = ParseState.Frame;
* }
*
* public void dotException(String label)
* {
* Debug(".exception");
*
* if (!assembly.inFunction) throw ParseError(".exception command must be in a func");
* if(parseState != ParseState.StartOfFrame) throw ParseError(".exception must be at the start of a FRAME");
*
* assembly.currentFunction.IncludeException();
* parseState = ParseState.Frame;
* }
* public void dotStack(String label)
* {
* Debug(".stack");
* UInt64 num = tokenizer.GetUnsignedNumber();
*
* if (!assembly.inFunction) throw ParseError(".stack command must be in a func");
*
* if (label == null)
* {
* assembly.currentFunction.FrameAllocateVariable(num);
* }
* else
* {
* assembly.currentFunction.AddFrameOffsetLabel(label, num);
* }
* parseState = ParseState.Frame;
* }
* public void dotReturn(String label)
* {
* Debug(".return");
* if (label != null) throw ParseError("A return statement can't have a Label?");
*
* UInt64 size = tokenizer.GetUnsignedNumber();
*
* if (!assembly.inFunction) throw ParseError(".return command must be in a func");
* assembly.currentFunction.SetReturnPointerSettings(false, (UInt32)size);
* }
* public void dotReturnTable(String label)
* {
* Debug(".returntable");
* if (label != null) throw ParseError("A return statement can't have a Label?");
*
* UInt64 size = tokenizer.GetUnsignedNumber();
*
* if (!assembly.inFunction) throw ParseError(".return-table command must be in a func");
* assembly.currentFunction.SetReturnPointerSettings(true, (UInt32)size);
* }
*
* public void func(String label)
* {
* Debug("func");
* if (label != null) throw ParseError("A func command can't have a label");
*
* assembly.NewFunction();
*
*
* parseState = ParseState.StartOfFrame;
* }
*/
public void MOV(String label)
{
Debug("MOV");
if (!assemblyBuilder.inFunction)
{
throw ParseError("MOV Instruction must be in a func");
}
OperandToken dstOperand = tokenizer.NextOperand();
Debug("DST : {0}", dstOperand);
OperandToken srcOperand = tokenizer.NextOperand();
Debug("SRC : {0}", srcOperand);
MemoryOp dstOp = dstOperand.GetMemoryOp(assemblyBuilder.currentFunction);
Op srcOp = srcOperand.GetOp(assemblyBuilder.currentFunction);
assemblyBuilder.currentFunction.AddInstruction(new InstructionMemoryOpAndOp(label, Instructions.Move,
dstOp, srcOp));
}
public MemAndValue(MemoryOp ew, Op er)
{
this.dst = ew;
this.src = er;
}
public MachineInstructionMemoryOp(Byte instruction, MemoryOp memoryOp)
: base(instruction, memoryOp.byteLength)
{
}
public static UInt64 EmitDecrement(byte[] byteCode, UInt64 offset, MemoryOp var)
{
byteCode[offset++] = Instructions.Decrement;
return(var.Emit(byteCode, offset));
}
public static UInt64 EmitAssign(byte[] byteCode, UInt64 offset, MemoryOp dst, Op src)
{
byteCode[offset++] = Instructions.Move;
offset = dst.Emit(byteCode, offset);
return(src.Emit(byteCode, offset));
}
public void Test()
{
Int32 off;
byte[] byteCode = new byte[10];
MemoryOp[] emitW = new MemoryOp[32];
Op[] emitR = new Op[32];
off = 0;
emitW[off++] = new MemoryOp(0);
emitW[off++] = new MemoryOp(1);
emitW[off++] = new MemoryOp(23);
emitW[off++] = new MemoryOp(127);
emitW[off++] = new MemoryOp(Operands.WritableOpTypeFrameOffsetShortMax);
for (int i = 0; i < off; i++)
{
Assert.AreEqual(1U, emitW[i].Emit(byteCode, 0));
Assert.AreEqual(emitW[i].infoMask, byteCode[0]);
}
off = 0;
emitR[off++] = new Op(0);
emitR[off++] = new Op(1);
emitR[off++] = new Op(23);
emitR[off++] = new Op(127);
emitR[off++] = new Op(Operands.ReadableOpTypeFrameOffsetShortMax);
for (int i = 0; i < off; i++)
{
Assert.AreEqual(1U, emitW[i].Emit(byteCode, 0));
Assert.AreEqual(emitW[i].infoMask, byteCode[0]);
}
off = 0;
emitW[off++] = new MemoryOp(Operands.AddressInfoMask, 248);
emitW[off++] = new MemoryOp(Operands.AddressInfoMask, 88, 1);
emitW[off++] = new MemoryOp(Operands.AddressInfoMask, 1, 2, 255);
emitW[off++] = new MemoryOp(Operands.AddressInfoMask, 55, 23, 255, 8, 2, 1, 100, 98);
emitW[off++] = new MemoryOp(Operands.AddressInfoMask, 32, 2, 255, 204);
for (int i = 0; i < off; i++)
{
MemoryOp w = emitW[i];
Assert.AreEqual((UInt64)(w.op.Length + 1), emitW[i].Emit(byteCode, 0));
//Assert.AreEqual((Byte)(Operands.LongVariableMask | (l.longAddress.Length-1)), byteCode[0]);
for (Byte j = 0; j < w.op.Length; j++)
{
Assert.AreEqual(w.op[j], byteCode[j + 1]);
}
}
/*
* off = 0;
* emitW[off++] = new EmitLiteral(34);
* emitW[off++] = new EmitLiteral(88, 1);
* emitW[off++] = new EmitLiteral(1, 2, 255);
* emitW[off++] = new EmitLiteral(55, 23, 255, 8, 2, 1, 100, 98);
* emitW[off++] = new EmitLiteral(32, 2, 255, 204);
* for (int i = 0; i < off; i++)
* {
* EmitLiteral lit = (EmitLiteral)emitW[i];
*
* Assert.AreEqual((UInt64)(lit.literal.Length + 1), emitW[i].Emit(byteCode, 0));
* //Assert.AreEqual((Byte)(Operands.LiteralInfoMask | (lit.literal.Length - 1)), byteCode[0]);
* for (Byte j = 0; j < lit.literal.Length; j++)
* {
* Assert.AreEqual(lit.literal[j], byteCode[j + 1]);
* }
* }
*/
}