public bool TryInterpret(CodeInterpreter compiler, CodeReader reader, out IProcess process)
{
process = null;
var backup = reader.Backup();
if (reader.ReadName(out var name))
{
process = new GetFieldProcess(name);
return(true);
}
backup.Restore();
return(false);
}
public bool TryInterpret(CodeInterpreter compiler, CodeReader reader, out IProcess process)
{
var backup = reader.Backup();
if (reader.ReadChar(out var bracketBegin) && bracketBegin == '(')
{
process = compiler.Interpret(reader, Priorities.None);
if (reader.ReadChar(out var bracketEnd) && bracketEnd == ')')
{
return(true);
}
}
process = null;
backup.Restore();
return(false);
}
public bool TryInterpret(CodeInterpreter compiler, CodeReader reader, out IProcess process)
{
var backup = reader.Backup();
process = null;
if (reader.ReadName(out var name) && reader.ReadChar(out var bracketBegin) && bracketBegin == '(')
{
var parameters = new List <IProcess>();
Loop:
if (reader.CurrentChar(out var bracketEnd) && bracketEnd == ')')
{
reader.Next();
process = new InvokeFunctionProcess(name, parameters.ToArray());
return(true);
}
public bool TryInterpret(CodeInterpreter compiler, CodeReader reader, out IProcess process)
{
var backup = reader.Backup();
process = null;
if (reader.ReadName(out var _var) && _var == "var")
{
Loop:
if (reader.ReadName(out var name))
{
IProcess initValue = null;
if (reader.CurrentChar(out var c) && c == '=')
{
reader.Next();
initValue = compiler.Interpret(reader, Priorities.AssignValueOperator);
}
if (reader.CurrentChar(out var c1) && c1 == ',')
{
reader.Next();
process = new VarProcess(name, initValue, process);
goto Loop;
}
process = new VarProcess(name, initValue, process);
return(true);
}
}
backup.Restore();
return(false);
}
public bool TryInterpret(CodeInterpreter compiler, CodeReader reader, out IProcess process)
{
var backup = reader.Backup();
process = null;
if (compiler.TryInterpret(reader, Priority, out var before))
{
if (reader.ReadOperator(out var operatorText) && OperatorText == operatorText)
{
if (compiler.TryInterpret(reader, Priority, out var after))
{
process = CreateProcess(before, after);
return(true);
}
}
}
backup.Restore();
return(false);
}
public unsafe bool TryInterpret(CodeInterpreter compiler, CodeReader reader, out IProcess process)
{
var backup = reader.Backup();
process = null;
if (reader.ReadNumber(out var text))
{
fixed(char *pText = text)
{
var numberInfo = NumberHelper.GetNumberInfo(pText, text.Length, 10);
if (numberInfo.IsNumber)
{
if (numberInfo.HaveExponent)
{
process = new ConstantProcess(new DoubleConstant(numberInfo.ToDouble()));
}
else if (numberInfo.IsFloat)
{
if (numberInfo.IsDecimal && numberInfo.IntegerCount + numberInfo.FractionalCount <= 28)
{
process = new ConstantProcess(new DecimalConstant(numberInfo.ToDecimal()));
}
else
{
process = new ConstantProcess(new DoubleConstant(numberInfo.ToDouble()));
}
}
else if (numberInfo.IntegerCount <= 18)
{
process = new ConstantProcess(new Int64Constant(numberInfo.ToInt64()));
}
else if (numberInfo.IsDecimal && numberInfo.IntegerCount <= 28)
{
process = new ConstantProcess(new DecimalConstant(numberInfo.ToDecimal()));
}
else
{
process = new ConstantProcess(new DoubleConstant(numberInfo.ToDouble()));
}
return(true);
}
}
if (long.TryParse(text, NumberStyles.Integer, NumberFormatInfo.CurrentInfo, out var int64Value))
{
process = new ConstantProcess(new Int64Constant(int64Value));
return(true);
}
if (decimal.TryParse(text, NumberStyles.Float, NumberFormatInfo.CurrentInfo, out var decimalValue))
{
process = new ConstantProcess(new DecimalConstant(decimalValue));
return(true);
}
if (double.TryParse(text, NumberStyles.Float, NumberFormatInfo.CurrentInfo, out var doubleValue))
{
process = new ConstantProcess(new DoubleConstant(doubleValue));
return(true);
}
}
backup.Restore();
return(false);
}