public static bool TryGetFormattingParameters(CSharpInvocationResolveResult invocationResolveResult, InvocationExpression invocationExpression,
out Expression formatArgument, out TextLocation formatStart, out IList<Expression> arguments,
Func<IParameter, Expression, bool> argumentFilter)
{
if (argumentFilter == null)
argumentFilter = (p, e) => true;
formatArgument = null;
formatStart = default(TextLocation);
arguments = new List<Expression>();
var argumentToParameterMap = invocationResolveResult.GetArgumentToParameterMap();
var resolvedParameters = invocationResolveResult.Member.Parameters;
var allArguments = invocationExpression.Arguments.ToArray();
for (int i = 0; i < allArguments.Length; i++) {
var parameterIndex = argumentToParameterMap[i];
if (parameterIndex < 0 || parameterIndex >= resolvedParameters.Count) {
// No valid mapping for this parameter, skip it
continue;
}
var parameter = resolvedParameters[parameterIndex];
var argument = allArguments[i];
if (parameter.Type.IsKnownType(KnownTypeCode.String) && parameterNames.Contains(parameter.Name)) {
formatArgument = argument;
formatStart = argument.StartLocation;
} else if ((formatArgument != null || parameter.IsParams) && argumentFilter(parameter, argument)) {
arguments.Add(argument);
}
}
return formatArgument != null;
}
public static bool TryGetFormattingParameters(CSharpInvocationResolveResult invocationResolveResult, InvocationExpression invocationExpression,
out Expression formatArgument, out IList<Expression> arguments,
Func<IParameter, Expression, bool> argumentFilter)
{
if (argumentFilter == null)
argumentFilter = (p, e) => true;
formatArgument = null;
arguments = new List<Expression>();
// Serach for method of type: void Name(string format, params object[] args);
if (invocationResolveResult.Member.SymbolKind == SymbolKind.Method && invocationResolveResult.Member.DeclaringType != null) {
var methods = invocationResolveResult.Member.DeclaringType.GetMethods(m => m.Name == invocationResolveResult.Member.Name).ToList();
if (!methods.Any(m => m.Parameters.Count == 2 &&
m.Parameters[0].Type.IsKnownType(KnownTypeCode.String) && parameterNames.Contains(m.Parameters[0].Name) &&
m.Parameters[1].IsParams))
return false;
}
var argumentToParameterMap = invocationResolveResult.GetArgumentToParameterMap();
var resolvedParameters = invocationResolveResult.Member.Parameters;
var allArguments = invocationExpression.Arguments.ToArray();
for (int i = 0; i < allArguments.Length; i++) {
var parameterIndex = argumentToParameterMap[i];
if (parameterIndex < 0 || parameterIndex >= resolvedParameters.Count) {
// No valid mapping for this argument, skip it
continue;
}
var parameter = resolvedParameters[parameterIndex];
var argument = allArguments[i];
if (i == 0 && parameter.Type.IsKnownType(KnownTypeCode.String) && parameterNames.Contains(parameter.Name)) {
formatArgument = argument;
} else if (formatArgument != null && parameter.IsParams && !invocationResolveResult.IsExpandedForm) {
var ace = argument as ArrayCreateExpression;
if (ace == null || ace.Initializer.IsNull)
return false;
foreach (var element in ace.Initializer.Elements) {
if (argumentFilter(parameter, element))
arguments.Add(argument);
}
} else if (formatArgument != null && argumentFilter(parameter, argument)) {
arguments.Add(argument);
}
}
return formatArgument != null;
}
public static bool TryGetFormattingParameters(CSharpInvocationResolveResult invocationResolveResult, InvocationExpression invocationExpression,
out Expression formatArgument, out IList<Expression> arguments,
Func<IParameter, Expression, bool> argumentFilter)
{
if (argumentFilter == null)
argumentFilter = (p, e) => true;
formatArgument = null;
arguments = new List<Expression>();
var argumentToParameterMap = invocationResolveResult.GetArgumentToParameterMap();
var resolvedParameters = invocationResolveResult.Member.Parameters;
var allArguments = invocationExpression.Arguments.ToArray();
for (int i = 0; i < allArguments.Length; i++) {
var parameterIndex = argumentToParameterMap[i];
if (parameterIndex < 0 || parameterIndex >= resolvedParameters.Count) {
// No valid mapping for this argument, skip it
continue;
}
var parameter = resolvedParameters[parameterIndex];
var argument = allArguments[i];
if (parameter.Type.IsKnownType(KnownTypeCode.String) && parameterNames.Contains(parameter.Name)) {
formatArgument = argument;
} else if (formatArgument != null && parameter.IsParams && !invocationResolveResult.IsExpandedForm) {
var ace = argument as ArrayCreateExpression;
if (ace == null || ace.Initializer.IsNull)
return false;
foreach (var element in ace.Initializer.Elements) {
if (argumentFilter(parameter, element))
arguments.Add(argument);
}
} else if (formatArgument != null && argumentFilter(parameter, argument)) {
arguments.Add(argument);
}
}
return formatArgument != null;
}
