public Set(AsmRegisters reg, uint value)
{
this.reg = reg;
this.value = value;
}
public DecReg(AsmRegisters reg)
{
this.reg = reg;
}
public CmpRI(AsmRegisters reg, byte value)
{
this.reg = reg;
this.value = value;
}
public WriteVB(AsmRegisters reg, byte value)
{
this.reg = reg;
this.value = value;
}
public WriteR(AsmRegisters reg1, AsmRegisters reg)
{
this.reg1 = reg1;
this.reg = reg;
}
public WriteReg(uint address, AsmRegisters reg)
{
this.address = address;
this.reg = reg;
}
public Block parseBlock()
{
List <Node> nodes = new List <Node>();
while (Peek().Type != TokenType.ClosedCurly)
{
if (Peek().Type == TokenType.NOP)
{
Read();
nodes.Add(new Nop());
}
else if (Peek().Type == TokenType.WRITE && Peek(1).Type == TokenType.IntLiteral && canBeNumber(Peek(3).Type))
{
Read();
uint address = getValue(Read());
Read();
byte value = (byte)getValue(Read());
nodes.Add(new WriteB(address, value));
}
else if (Peek().Type == TokenType.SET && Peek(1).Type == TokenType.Register && canBeNumber(Peek(3).Type))
{
Read();
AsmRegisters reg = (AsmRegisters)Enum.Parse(typeof(AsmRegisters), Read().Value);
Read();
uint value = getValue(Read());
nodes.Add(new Set(reg, value));
}
else if (Peek().Type == TokenType.WRITE && isRef(Peek(1)) && isRef(Peek(4)))
{
Read();
Read();
AsmRegisters reg = (AsmRegisters)Enum.Parse(typeof(AsmRegisters), Read().Value);
Read();
Read();
AsmRegisters reg1 = (AsmRegisters)Enum.Parse(typeof(AsmRegisters), Read().Value);
nodes.Add(new WriteR(reg, reg1));
}
else if (Peek().Type == TokenType.WRITE && isRef(Peek(1)) && canBeNumber(Peek(4).Type))
{
Read();
Read();
AsmRegisters reg = (AsmRegisters)Enum.Parse(typeof(AsmRegisters), Read().Value);
Read();
byte value = (byte)getValue(Read());
nodes.Add(new WriteVB(reg, value));
}
else if (Peek().Type == TokenType.WRITE && Peek(1).Type == TokenType.IntLiteral && isRef(Peek(3)))
{
Read();
uint address = getValue(Read());
Read();
Read();
AsmRegisters reg = (AsmRegisters)Enum.Parse(typeof(AsmRegisters), Read().Value);
nodes.Add(new WriteReg(address, reg));
}
else if (Peek().Type == TokenType.INC && Peek(1).Type == TokenType.Register)
{
Read();
AsmRegisters reg = (AsmRegisters)Enum.Parse(typeof(AsmRegisters), Read().Value);
nodes.Add(new IncReg(reg));
}
else if (Peek().Type == TokenType.DEC && Peek(1).Type == TokenType.Register)
{
Read();
AsmRegisters reg = (AsmRegisters)Enum.Parse(typeof(AsmRegisters), Read().Value);
nodes.Add(new DecReg(reg));
}
else if (Peek().Type == TokenType.JMP && Peek(1).Type == TokenType.Label)
{
Read();
string label = Read().Value;
nodes.Add(new Jmp(label));
}
else if (Peek().Type == TokenType.CMP && isRef(Peek(1)) && canBeNumber(Peek(4).Type))
{
Read();
Read();
AsmRegisters reg = (AsmRegisters)Enum.Parse(typeof(AsmRegisters), Read().Value);
Read();
byte value = (byte)getValue(Read());
nodes.Add(new CmpRI(reg, value));
}
else if (Peek().Type == TokenType.JE && Peek(1).Type == TokenType.Label)
{
Read();
string label = Read().Value;
nodes.Add(new JE(label));
}
else if (Peek().Type == TokenType.JG && Peek(1).Type == TokenType.Label)
{
Read();
string label = Read().Value;
nodes.Add(new JG(label));
}
else if (Peek().Type == TokenType.HLT)
{
Read();
nodes.Add(new Hlt());
}
}
return(new Block(nodes));
}
