public WrongPatternError(OneOperandNode instruction)
{
this.line = instruction.Line;
this.col = instruction.Col;
this.lineContent = instruction.LineContent;
this.instruction = instruction.Instruction.ToString().ToLower();
}
private bool GenerateNode(out OneOperandNode node)
{
node = null;
InstructionToken instructionToken;
if (this.ExpectInstructionToken(out instructionToken))
{
Instructions instruction = instructionToken.Instruction;
switch (instruction)
{
case Instructions.Mov:
{
Token operand1;
Token operand2;
if (this.ExpectTwoOperands(out operand1, out operand2))
{
node = new MovInstruction(this.rawInput, instructionToken, operand1, operand2);
}
else
{
this.LogExpectedTwoOperandsError(instructionToken);
return(false);
}
}
break;
case Instructions.Add:
{
Token operand1;
Token operand2;
if (this.ExpectTwoOperands(out operand1, out operand2))
{
node = new AddInstruction(this.rawInput, instructionToken, operand1, operand2);
}
else
{
this.LogExpectedTwoOperandsError(instructionToken);
return(false);
}
}
break;
case Instructions.Sub:
{
Token operand1;
Token operand2;
if (this.ExpectTwoOperands(out operand1, out operand2))
{
node = new SubInstruction(this.rawInput, instructionToken, operand1, operand2);
}
else
{
this.LogExpectedTwoOperandsError(instructionToken);
return(false);
}
}
break;
case Instructions.Mul:
{
Token operand1;
Token operand2;
if (this.ExpectTwoOperands(out operand1, out operand2))
{
node = new MulInstruction(this.rawInput, instructionToken, operand1, operand2);
}
else
{
this.LogExpectedTwoOperandsError(instructionToken);
return(false);
}
}
break;
case Instructions.Div:
{
Token operand1;
Token operand2;
if (this.ExpectTwoOperands(out operand1, out operand2))
{
node = new DivInstruction(this.rawInput, instructionToken, operand1, operand2);
}
else
{
this.LogExpectedTwoOperandsError(instructionToken);
return(false);
}
}
break;
case Instructions.Cmp:
{
Token operand1;
Token operand2;
if (this.ExpectTwoOperands(out operand1, out operand2))
{
node = new CmpInstruction(this.rawInput, instructionToken, operand1, operand2);
}
else
{
this.LogExpectedTwoOperandsError(instructionToken);
return(false);
}
}
break;
case Instructions.Inc:
{
Token operand;
if (this.ExpectOneOperand(out operand))
{
node = new IncInstruction(this.rawInput, instructionToken, operand);
}
else
{
this.LogExpectedOneOperandError(instructionToken);
return(false);
}
}
break;
case Instructions.Dec:
{
Token operand;
if (this.ExpectOneOperand(out operand))
{
node = new DecInstruction(this.rawInput, instructionToken, operand);
}
else
{
this.LogExpectedOneOperandError(instructionToken);
return(false);
}
}
break;
case Instructions.Jmp:
{
Token operand;
if (this.ExpectOneOperand(out operand))
{
node = new JmpInstruction(this.rawInput, instructionToken, operand);
}
else
{
this.LogExpectedOneOperandError(instructionToken);
return(false);
}
}
break;
case Instructions.Jeq:
{
Token operand;
if (this.ExpectOneOperand(out operand))
{
node = new JeqInstruction(this.rawInput, instructionToken, operand);
}
else
{
this.LogExpectedOneOperandError(instructionToken);
return(false);
}
}
break;
case Instructions.Jne:
{
Token operand;
if (this.ExpectOneOperand(out operand))
{
node = new JneInstruction(this.rawInput, instructionToken, operand);
}
else
{
this.LogExpectedOneOperandError(instructionToken);
return(false);
}
}
break;
case Instructions.Jsm:
{
Token operand;
if (this.ExpectOneOperand(out operand))
{
node = new JsmInstruction(this.rawInput, instructionToken, operand);
}
else
{
this.LogExpectedOneOperandError(instructionToken);
return(false);
}
}
break;
case Instructions.Jns:
{
Token operand;
if (this.ExpectOneOperand(out operand))
{
node = new JnsInstruction(this.rawInput, instructionToken, operand);
}
else
{
this.LogExpectedOneOperandError(instructionToken);
return(false);
}
}
break;
}
}
return(true);
}
