| private MatchTypeCode ( ScriptArgument value ) : bool | ||
| value | ScriptArgument | |
| return | bool | |
protected bool ReadOperand(BinaryReader reader, string operands, ref int operandIndex, ScriptArgument operandCode)
{
long offset = reader.BaseStream.Position;
ScriptOperand token = new ScriptOperand(reader, operandCode);
token.Instruction = this;
int outputIndex = OperandsMutable.Count;
OperandsMutable.Add(token);
switch (operandCode)
{
case ScriptArgument.Address:
case ScriptArgument.Value:
case ScriptArgument.ValueOrVariable:
case ScriptArgument.String:
case ScriptArgument.Variable:
case ScriptArgument.Literal:
case ScriptArgument.UnknownVariable:
case ScriptArgument.Comparison:
token.IsValid = token.MatchTypeCode(operandCode);
break;
case ScriptArgument.Array:
ScriptArgument arrayCountType = (ScriptArgument)operands[++operandIndex];
ScriptArgument arrayType = (ScriptArgument)operands[++operandIndex];
if (IsCompoundOperandCode(arrayCountType) || IsCompoundOperandCode(arrayType))
{
throw new InvalidOperationException();
}
token.IsValid = token.MatchTypeCode(arrayCountType);
if (!token.IsValid)
{
OperandsMutable[outputIndex] = token;
return(false);
}
for (int index = 0; index < token.AsValue; index++)
{
if (!ReadOperand(reader, operands, ref operandIndex, arrayType))
{
return(false);
}
}
break;
case ScriptArgument.Optional:
operandCode = (ScriptArgument)operands[++operandIndex];
if (!token.MatchTypeCode(operandCode))
{
reader.BaseStream.Position = offset;
OperandsMutable.RemoveAt(outputIndex);
return(true);
}
break;
default:
throw new InvalidOperationException("Invalid operand type code '" + operandCode + "'.");
}
OperandsMutable[outputIndex] = token;
return(true);
}
protected bool ReadOperand(BinaryReader reader, string operands, ref int operandIndex, ScriptArgument operandCode)
{
long offset = reader.BaseStream.Position;
ScriptOperand token = new ScriptOperand(reader, operandCode);
token.Instruction = this;
int outputIndex = OperandsMutable.Count;
OperandsMutable.Add(token);
switch (operandCode) {
case ScriptArgument.Address:
case ScriptArgument.Value:
case ScriptArgument.ValueOrVariable:
case ScriptArgument.String:
case ScriptArgument.Variable:
case ScriptArgument.Literal:
case ScriptArgument.UnknownVariable:
case ScriptArgument.Comparison:
token.IsValid = token.MatchTypeCode(operandCode);
break;
case ScriptArgument.Array:
ScriptArgument arrayCountType = (ScriptArgument)operands[++operandIndex];
ScriptArgument arrayType = (ScriptArgument)operands[++operandIndex];
if (IsCompoundOperandCode(arrayCountType) || IsCompoundOperandCode(arrayType))
throw new InvalidOperationException();
token.IsValid = token.MatchTypeCode(arrayCountType);
if (!token.IsValid) {
OperandsMutable[outputIndex] = token;
return false;
}
for (int index = 0; index < token.AsValue; index++)
if (!ReadOperand(reader, operands, ref operandIndex, arrayType))
return false;
break;
case ScriptArgument.Optional:
operandCode = (ScriptArgument)operands[++operandIndex];
if (!token.MatchTypeCode(operandCode)) {
reader.BaseStream.Position = offset;
OperandsMutable.RemoveAt(outputIndex);
return true;
}
break;
default:
throw new InvalidOperationException("Invalid operand type code '" + operandCode + "'.");
}
OperandsMutable[outputIndex] = token;
return true;
}
