public static ReturnType ReturnedAs(ExpressionSyntax expression, ExpressionSyntax returnedExpression, ParameterSyntax parameter)
{
if (expression.AssignedToVariable(out var variableDeclarator))
{
return(returnedExpression.IsEquivalentWhenNormalized(SharedSyntaxFactory.IdentifierName(variableDeclarator))
? ReturnType.VariableAssignment
: ReturnType.Unknown);
}
if (expression.AssignedToParameter(parameter))
{
return(returnedExpression.IsEquivalentWhenNormalized(SharedSyntaxFactory.IdentifierName(parameter))
? ReturnType.ParameterAssigment
: ReturnType.Unknown);
}
return(returnedExpression.IsEquivalentWhenNormalized(expression)
? ReturnType.ImmediateValue
: ReturnType.Unknown);
}
