/// <summary>
/// Read the specified parameter.
/// </summary>
/// <param name="parser">The parser to use.</param>
/// <returns>The parsed parameter.</returns>
private ParamTemplate ReadParam(SimpleParser parser)
{
var result = new ParamTemplate();
if (!parser.LookAhead("{", true))
{
throw new EACompileError("Expected {");
}
parser.Advance();
bool done = false;
var buffer = new StringBuilder();
while (!done)
{
if (parser.Peek() == '}')
{
done = true;
parser.Advance();
}
else if (parser.Peek() == '{')
{
throw new EACompileError("Unexpected {");
}
else if (parser.Peek() == '{')
{
done = true;
parser.Advance();
}
else if (parser.Peek() == ',')
{
result.AddType(buffer.ToString().Trim().ToLower());
parser.Advance();
buffer.Length = 0;
}
else
{
buffer.Append(parser.ReadChar());
}
}
String s = buffer.ToString().Trim();
if (s.Length > 0)
{
result.AddType(s);
}
return(result);
}
/// <summary>
/// Read the specified parameter.
/// </summary>
/// <param name="parser">The parser to use.</param>
/// <returns>The parsed parameter.</returns>
private ParamTemplate ReadParam(SimpleParser parser)
{
var result = new ParamTemplate();
if (!parser.LookAhead("{", true))
{
throw new EACompileError("Expected {");
}
parser.Advance();
bool done = false;
var buffer = new StringBuilder();
while (!done)
{
if (parser.Peek() == '}')
{
done = true;
parser.Advance();
}
else if (parser.Peek() == '{')
{
throw new EACompileError("Unexpected {");
}
else if (parser.Peek() == '{')
{
done = true;
parser.Advance();
}
else if (parser.Peek() == ',')
{
result.AddType(buffer.ToString().Trim().ToLower());
parser.Advance();
buffer.Length = 0;
}
else
{
buffer.Append(parser.ReadChar());
}
}
String s = buffer.ToString().Trim();
if (s.Length > 0)
{
result.AddType(s);
}
return result;
}
/// <summary>
/// Construct a basic template object.
/// </summary>
/// <param name="thePrecedence">The precedence.</param>
/// <param name="theSignature">The opcode signature.</param>
/// <param name="theType">The opcode type.</param>
/// <param name="isVariable">True, if this opcode is a variable.</param>
/// <param name="theDataSize">The data size kept for this opcode.</param>
/// <param name="theEvaluate">The evaluator delegate.</param>
/// <param name="theIsPossibleReturnType">The return type delegate.</param>
/// <param name="theRandomize">The randomizer delegate.</param>
public BasicTemplate(int thePrecedence, String theSignature,
NodeType theType, bool isVariable,
int theDataSize,
DelEvaluate theEvaluate,
DelIsPossibleReturnType theIsPossibleReturnType,
DelRandomize theRandomize)
{
_precedence = thePrecedence;
_signature = theSignature;
_varValue = isVariable;
_dataSize = theDataSize;
_nodeType = theType;
_delEvaluate = theEvaluate;
_delIsPossibleReturnType = theIsPossibleReturnType;
_delRandomize = theRandomize;
if (theSignature.Trim().Equals("("))
{
// special case, we add a left-paren for the shunting yard alg.
_name = theSignature;
_returnValue = null;
}
else
{
// non-special case, find the name of the function/operator
var parser = new SimpleParser(theSignature);
bool pass = false;
parser.EatWhiteSpace();
_name = parser.ReadToChars("(").Trim();
parser.Advance();
bool done = false;
while (!done)
{
if (parser.Peek() == ')')
{
parser.Advance();
done = true;
}
else if (parser.Peek() == ':')
{
parser.Advance();
pass = true;
}
else if (parser.Peek() == '{')
{
ParamTemplate temp = ReadParam(parser);
temp.PassThrough = pass;
pass = false;
_param.Add(temp);
}
else
{
parser.Advance();
if (parser.EOL())
{
throw new EncogError("Invalid opcode template.");
}
}
}
// get the return type
parser.EatWhiteSpace();
if (!parser.LookAhead(":", true))
{
throw new EACompileError("Return type not specified.");
}
parser.Advance();
parser.EatWhiteSpace();
_returnValue = ReadParam(parser);
}
}
/// <summary>
/// Construct a basic template object.
/// </summary>
/// <param name="thePrecedence">The precedence.</param>
/// <param name="theSignature">The opcode signature.</param>
/// <param name="theType">The opcode type.</param>
/// <param name="isVariable">True, if this opcode is a variable.</param>
/// <param name="theDataSize">The data size kept for this opcode.</param>
/// <param name="theEvaluate">The evaluator delegate.</param>
/// <param name="theIsPossibleReturnType">The return type delegate.</param>
/// <param name="theRandomize">The randomizer delegate.</param>
public BasicTemplate(int thePrecedence, String theSignature,
NodeType theType, bool isVariable,
int theDataSize,
DelEvaluate theEvaluate,
DelIsPossibleReturnType theIsPossibleReturnType,
DelRandomize theRandomize)
{
_precedence = thePrecedence;
_signature = theSignature;
_varValue = isVariable;
_dataSize = theDataSize;
_nodeType = theType;
_delEvaluate = theEvaluate;
_delIsPossibleReturnType = theIsPossibleReturnType;
_delRandomize = theRandomize;
if (theSignature.Trim().Equals("("))
{
// special case, we add a left-paren for the shunting yard alg.
_name = theSignature;
_returnValue = null;
}
else
{
// non-special case, find the name of the function/operator
var parser = new SimpleParser(theSignature);
bool pass = false;
parser.EatWhiteSpace();
_name = parser.ReadToChars("(").Trim();
parser.Advance();
bool done = false;
while (!done)
{
if (parser.Peek() == ')')
{
parser.Advance();
done = true;
}
else if (parser.Peek() == ':')
{
parser.Advance();
pass = true;
}
else if (parser.Peek() == '{')
{
ParamTemplate temp = ReadParam(parser);
temp.PassThrough = pass;
pass = false;
_param.Add(temp);
}
else
{
parser.Advance();
if (parser.EOL())
{
throw new EncogError("Invalid opcode template.");
}
}
}
// get the return type
parser.EatWhiteSpace();
if (!parser.LookAhead(":", true))
{
throw new EACompileError("Return type not specified.");
}
parser.Advance();
parser.EatWhiteSpace();
_returnValue = ReadParam(parser);
}
}
