public virtual void ToRichText(RichTextBuilder builder)
{
string format;
if (OpcodeFormats.TryGetValue(Opcode, out format))
{
for (int index = 0; index < format.Length; index++)
{
if (format[index] == '{')
{
if (format[index + 1] == '{')
{
index++;
builder.Append('{');
}
else
{
int end;
for (end = ++index; format[end] != '}'; end++)
{
;
}
int operandIndex = int.Parse(format.Substring(index, end - index));
ScriptOperand operand = GetOperand(operandIndex);
operand.ToRichText(builder);
index = end;
}
}
else
{
builder.Append(format[index]);
}
}
}
else
{
if (IsOpcodeDefined)
{
builder.Append(Opcode.ToString());
}
else
{
builder.ForegroundColor = Color.Red;
builder.AppendFormat("{0:X2}", (int)Opcode);
builder.ForegroundColor = Color.Black;
}
foreach (ScriptOperand operand in Operands)
{
builder.Append(" ");
operand.ToRichText(builder);
}
}
}
public static ScriptInstruction Read(Script script, BinaryReader reader)
{
long offset = reader.BaseStream.Position;
ScriptOperand opcodeToken = new ScriptOperand(reader, ScriptArgument.Opcode);
if (!opcodeToken.IsOpcode)
{
return(new Invalid(script, offset, opcodeToken));
}
ScriptOpcode opcode = opcodeToken.GetOpcode();
switch (opcode)
{
case ScriptOpcode.Call: return(new Call(script, offset, reader));
case ScriptOpcode.Switch: return(new Switch(script, offset, reader));
case ScriptOpcode.If: return(new If(script, offset, reader));
default: return(new ScriptInstruction(script, offset, reader, opcode));
}
}
public Invalid(Script script, long offset, ScriptOperand invalidToken)
: base(script, offset, ScriptOpcode.Invalid)
{
InvalidToken = invalidToken;
invalidToken.Instruction = this;
}
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);
}
int?GetIntegerOperand(int index)
{
ScriptOperand operand = GetOperand(index); return(operand.IsValid && operand.IsValue ? (int?)operand.AsValue : null);
}
public Invalid(Script script, long offset, ScriptOperand invalidToken)
: base(script, offset, ScriptOpcode.Invalid)
{
InvalidToken = invalidToken;
invalidToken.Instruction = this;
}
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;
}
public static ScriptInstruction Read(Script script, BinaryReader reader)
{
long offset = reader.BaseStream.Position;
ScriptOperand opcodeToken = new ScriptOperand(reader, ScriptArgument.Opcode);
if (!opcodeToken.IsOpcode)
return new Invalid(script, offset, opcodeToken);
ScriptOpcode opcode = opcodeToken.GetOpcode();
switch (opcode) {
case ScriptOpcode.Call: return new Call(script, offset, reader);
case ScriptOpcode.Switch: return new Switch(script, offset, reader);
case ScriptOpcode.If: return new If(script, offset, reader);
default: return new ScriptInstruction(script, offset, reader, opcode);
}
}
