/// <summary>
/// Copies 'F', but changes the function OutputName (m_outputName).
///
/// This constructor is used mostly to change the name of a function when
/// the output language does not support overloading.
/// </summary>
/// <param name="F">fgs to be copied.</param>
/// <param name="newName">New name for the copy of 'F'.</param>
public fgs(fgs F, string newName)
{
m_name = F.m_name;
m_outputName = newName;
m_returnTypeName = F.m_returnTypeName;
m_argumentTypeNames = F.m_argumentTypeNames;
m_argumentVariableNames = F.m_argumentVariableNames;
m_argumentPtr = F.m_argumentPtr;
m_argumentArr = F.m_argumentArr;
m_floatNames = F.m_floatNames;
m_metricName = F.m_metricName;
m_comment = F.m_comment;
m_options = F.m_options;
m_hashCode = ComputeHashCode();
}
/// <summary>
/// Return true when this equals the value of 'obj'.
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public override bool Equals(System.Object obj)
{
// If parameter is null return false.
if (obj == null)
{
return(false);
}
// If parameter cannot be cast to fgs return false.
fgs B = obj as fgs;
if (B == null)
{
return(false);
}
else
{
return(CompareTo(obj) == 0);
}
}
/// <summary>
/// IComparable.CompareTo implementation.
///
/// This function is not used to find function by FindFunctionEx()
/// because only part of the FGS needs to be compared for that.
///
/// m_outputName is not compared.
/// </summary>
/// <param name="obj">The object to which 'this' is compared</param>
public int CompareTo(object obj)
{
if (obj is fgs)
{
fgs B = (fgs)obj;
int C;
if ((C = m_name.CompareTo(B.m_name)) != 0)
{
return(C);
}
// if ((C = m_outputName.CompareTo(B.m_outputName)) != 0) return C;
if ((C = CompareArrays(m_argumentTypeNames, B.m_argumentTypeNames)) != 0)
{
return(C);
}
if ((C = m_returnTypeName.CompareTo(B.m_returnTypeName)) != 0)
{
return(C);
}
if ((C = m_metricName.CompareTo(B.m_metricName)) != 0)
{
return(C);
}
// do not use compare the comment!
if ((C = CompareArrays(m_floatNames, B.m_floatNames)) != 0)
{
return(C);
}
if ((C = CompareArrays(m_argumentVariableNames, B.m_argumentVariableNames)) != 0)
{
return(C);
}
if ((C = CompareBoolArrays(m_argumentPtr, B.m_argumentPtr)) != 0)
{
return(C);
}
if ((C = CompareBoolArrays(m_argumentArr, B.m_argumentArr)) != 0)
{
return(C);
}
if (m_options.Count < B.m_options.Count)
{
return(-1);
}
else if (m_options.Count > B.m_options.Count)
{
return(1);
}
else
{
// convert options to arrays, then compare:
string[] OA = OptionsToStringArray();
string[] OB = B.OptionsToStringArray();
if ((C = CompareArrays(OA, OB)) != 0)
{
return(C);
}
}
return(0); // this equals 'B'
}
throw new ArgumentException("object is not a G25.fgs");
}
/// <summary>
/// Copies 'F', but changes the function OutputName (m_outputName).
///
/// This constructor is used mostly to change the name of a function when
/// the output language does not support overloading.
/// </summary>
/// <param name="F">fgs to be copied.</param>
/// <param name="newName">New name for the copy of 'F'.</param>
public fgs(fgs F, string newName)
{
m_name = F.m_name;
m_outputName = newName;
m_returnTypeName = F.m_returnTypeName;
m_argumentTypeNames = F.m_argumentTypeNames;
m_argumentVariableNames = F.m_argumentVariableNames;
m_argumentPtr = F.m_argumentPtr;
m_argumentArr = F.m_argumentArr;
m_floatNames = F.m_floatNames;
m_metricName = F.m_metricName;
m_comment = F.m_comment;
m_options = F.m_options;
m_hashCode = ComputeHashCode();
}
public static void ParseFunction(Specification S, XmlElement E)
{
// storage for all info:
String functionName = null;
String outputFunctionName = null;
const int MAX_NB_ARGS = 100;
String returnTypeName = "";
String[] argumentTypeNames = new String[MAX_NB_ARGS];
String[] argumentVariableName = new String[MAX_NB_ARGS];
List<String> floatNames = new List<string>();
String metricName = "default";
String comment = "";
int nbArgs = 0;
Dictionary<String, String> options = new Dictionary<string, string>();
{ // handle attributes
XmlAttributeCollection A = E.Attributes;
// handle all attributes
for (int i = 0; i < A.Count; i++)
{
// functionName
if (A[i].Name == XML_NAME)
functionName = A[i].Value;
// functionName
else if (A[i].Name == XML_OUTPUT_NAME)
outputFunctionName = A[i].Value;
// metricName
else if (A[i].Name == XML_METRIC)
metricName = A[i].Value.ToLower();
// comment
else if (A[i].Name == XML_COMMENT)
comment = A[i].Value;
// floatType
else if (A[i].Name == XML_FLOAT_TYPE)
floatNames.Add(A[i].Value);
// return type
else if (A[i].Name == XML_RETURN_TYPE)
{
returnTypeName = A[i].Value;
if (!S.IsTypeName(returnTypeName))
{
if (returnTypeName.ToLower() == XML_SCALAR) // "scalar" is also allowed as returntype
{
returnTypeName = XML_SCALAR;
}
else throw new G25.UserException("Error parsing function '" + functionName + "': '" + returnTypeName + "' is not a type (inside element '" + XML_FUNCTION + "').");
}
}
// argNameX
else if (A[i].Name.StartsWith(XML_ARGNAME))
{
int argNameIdx = 0;
try
{
argNameIdx = System.Int32.Parse(A[i].Name.Substring(XML_ARGNAME.Length)) - 1;
}
catch (System.Exception)
{
throw new G25.UserException("Error parsing function '" + functionName + "': invalid attribute '" + A[i].Name + "' in element '" + XML_FUNCTION + "'.");
}
if ((argNameIdx >= argumentVariableName.Length) || (argNameIdx < 0))
throw new G25.UserException("Error parsing function '" + functionName + "': invalid attribute index '" + A[i].Name + "' in element '" + XML_FUNCTION + "'.");
argumentVariableName[argNameIdx] = A[i].Value;
}
// argX
else if (A[i].Name.StartsWith(XML_ARG))
{
int argIdx = 0;
try
{
argIdx = System.Int32.Parse(A[i].Name.Substring(XML_ARG.Length)) - 1;
}
catch (System.Exception)
{
throw new G25.UserException("Error parsing function '" + functionName + "': invalid attribute '" + A[i].Name + "' in element '" + XML_FUNCTION + "'.");
}
if ((argIdx >= argumentTypeNames.Length) || (argIdx < 0))
throw new G25.UserException("Error parsing function '" + functionName + "': invalid attribute index '" + A[i].Name + "' in element '" + XML_FUNCTION + "'.");
string typeName = A[i].Value;
if (!S.IsTypeName(typeName))
{
// it may be a constant, like 'e1', try adding a "_t"
if (S.IsTypeName(typeName + Specification.CONSTANT_TYPE_SUFFIX))
{
typeName = typeName + Specification.CONSTANT_TYPE_SUFFIX;
}
else throw new G25.UserException("Error parsing function '" + functionName + "': '" + typeName + "' is not a type (inside element '" + XML_FUNCTION + "')");
}
argumentTypeNames[argIdx] = typeName;
if (argIdx >= nbArgs)
nbArgs = argIdx + 1;
}
else if (A[i].Name.StartsWith(XML_OPTION))
{
String optionName = A[i].Name.Substring(XML_OPTION.Length).ToLower();
if (optionName.Length > 0)
{
String optionValue = A[i].Value;
options[optionName] = optionValue;
}
}
}
// check if function name was specified:
if (functionName == null)
throw new G25.UserException("Missing attribute '" + XML_NAME + "' in element '" + XML_FUNCTION + "'");
// if output function name is missing, just use the regular function name
if (outputFunctionName == null) outputFunctionName = functionName;
// if no float type are specified, copy all from specification
if (floatNames.Count == 0)
{
foreach (FloatType FT in S.m_floatTypes)
floatNames.Add(FT.type);
}
// resize arguments arrays:
Array.Resize(ref argumentTypeNames, nbArgs);
Array.Resize(ref argumentVariableName, nbArgs);
// check for nulls in argument arrays
for (int i = 0; i < argumentTypeNames.Length; i++)
{
if (argumentTypeNames[i] == null)
throw new G25.UserException("XML parsing error in function '" + functionName + "': Missing attribute '" + XML_ARG + (1 + i).ToString() + "' in element '" + XML_FUNCTION + "'");
if (argumentVariableName[i] == null)
argumentVariableName[i] = fgs.DefaultArgumentName(i);
}
}
fgs F = new fgs(functionName, outputFunctionName, returnTypeName, argumentTypeNames, argumentVariableName, floatNames.ToArray(), metricName, comment, options);
S.m_functions.Add(F);
}
