public ParseContext(String expression, ITraceWriter trace, IEnumerable <IFunctionInfo> extensions)
{
if (trace == null)
{
throw new ArgumentNullException(nameof(trace));
}
Expression = expression ?? String.Empty;
Trace = trace;
foreach (IFunctionInfo extension in (extensions ?? new IFunctionInfo[0]))
{
ExtensionFunctions.Add(extension.Name, extension);
}
Lexer = new LexicalAnalyzer(Expression, trace, ExtensionFunctions.Keys);
}
public ParseContext(String expression, ITraceWriter trace, IEnumerable <INamedValueInfo> namedValues, IEnumerable <IFunctionInfo> functions)
{
if (trace == null)
{
throw new ArgumentNullException(nameof(trace));
}
Expression = expression ?? String.Empty;
Trace = trace;
foreach (INamedValueInfo namedValueInfo in (namedValues ?? new INamedValueInfo[0]))
{
ExtensionNamedValues.Add(namedValueInfo.Name, namedValueInfo);
}
foreach (IFunctionInfo functionInfo in (functions ?? new IFunctionInfo[0]))
{
ExtensionFunctions.Add(functionInfo.Name, functionInfo);
}
Lexer = new LexicalAnalyzer(Expression, trace, namedValues: ExtensionNamedValues.Keys, functions: ExtensionFunctions.Keys);
}