/// <summary>Resolve dictionary parameters used for the code or expression.</summary>
/// <param name="scope">The expression scope for the code or expression to compile.</param>
/// <param name="parameterTypes">The dictionary of parameter (name / type) used in the code or expression to compile.</param>
/// <returns>A ParameterExpression list used in code or expression to compile.</returns>
private static List<ParameterExpression> ResolveParameterDictionary(ExpressionScope scope, IDictionary<string, Type> parameterTypes)
{
var parameters = new List<ParameterExpression>();
var parameterDictionary = scope.CreateParameter(typeof (IDictionary));
parameters.Add(parameterDictionary);
foreach (var parameter in parameterTypes)
{
scope.CreateLazyVariable(parameter.Key, new Lazy<Expression>(() =>
{
var innerParameter = scope.CreateVariable(parameter.Value, parameter.Key);
Expression innerExpression = Expression.Property(parameterDictionary, DictionaryItemPropertyInfo, Expression.Constant(parameter.Key));
innerExpression = innerExpression.Type != parameter.Value ?
Expression.Assign(innerParameter, Expression.Convert(innerExpression, parameter.Value)) :
Expression.Assign(innerParameter, innerExpression);
scope.Expressions.Add(Expression.Assign(innerParameter, innerExpression));
return innerParameter;
}));
}
return parameters;
}
/// <summary>Resolve dictionary parameters used for the code or expression.</summary>
/// <param name="scope">The expression scope for the code or expression to compile.</param>
/// <param name="parameterTypes">The dictionary of parameter (name / type) used in the code or expression to compile.</param>
/// <returns>A ParameterExpression list used in code or expression to compile.</returns>
private static List <ParameterExpression> ResolveParameterDictionary(ExpressionScope scope, IDictionary <string, Type> parameterTypes)
{
var parameters = new List <ParameterExpression>();
var parameterDictionary = scope.CreateParameter(typeof(IDictionary));
parameters.Add(parameterDictionary);
foreach (var parameter in parameterTypes)
{
scope.CreateLazyVariable(parameter.Key, new Lazy <Expression>(() =>
{
var innerParameter = scope.CreateVariable(parameter.Value, parameter.Key);
Expression innerExpression = Expression.Property(parameterDictionary, DictionaryItemPropertyInfo, Expression.Constant(parameter.Key));
innerExpression = innerExpression.Type != parameter.Value ?
Expression.Assign(innerParameter, Expression.Convert(innerExpression, parameter.Value)) :
Expression.Assign(innerParameter, innerExpression);
scope.Expressions.Add(Expression.Assign(innerParameter, innerExpression));
return(innerParameter);
}));
}
return(parameters);
}
/// <summary>Resolve enumerable parameters used for the code or expression.</summary>
/// <param name="scope">The expression scope for the code or expression to compile.</param>
/// <param name="parameterTypes">The dictionary of parameter (name / type) used in the code or expression to compile.</param>
/// <returns>A ParameterExpression list used in code or expression to compile.</returns>
private static List<ParameterExpression> ResolveParameterEnumerable(ExpressionScope scope, IDictionary<string, Type> parameterTypes)
{
var parameters = new List<ParameterExpression>();
var parameterEnumerable = scope.CreateParameter(typeof (IEnumerable));
parameters.Add(parameterEnumerable);
var dictParameter = scope.CreateVariable(typeof (Dictionary<string, object>));
var methodConvert = typeof (EvalCompiler).GetMethod("ResolveToParameterDictionary", BindingFlags.NonPublic | BindingFlags.Static);
var expressionConvert = Expression.Call(methodConvert, new Expression[] {parameterEnumerable});
var expressionAssign = Expression.Assign(dictParameter, expressionConvert);
scope.Expressions.Add(expressionAssign);
foreach (var parameter in parameterTypes)
{
scope.CreateLazyVariable(parameter.Key, new LazySingleThread<Expression>(() =>
{
var innerParameter = scope.CreateVariable(parameter.Value, parameter.Key);
Expression innerExpression = Expression.Property(dictParameter, DictionaryItemPropertyInfo, Expression.Constant(parameter.Key));
innerExpression = innerExpression.Type != parameter.Value ?
Expression.Assign(innerParameter, Expression.Convert(innerExpression, parameter.Value)) :
Expression.Assign(innerParameter, innerExpression);
scope.Expressions.Add(Expression.Assign(innerParameter, innerExpression));
return innerParameter;
}));
}
return parameters;
}
/// <summary>Resolve enumerable parameters used for the code or expression.</summary>
/// <param name="scope">The expression scope for the code or expression to compile.</param>
/// <param name="parameterTypes">The dictionary of parameter (name / type) used in the code or expression to compile.</param>
/// <returns>A ParameterExpression list used in code or expression to compile.</returns>
private static List <ParameterExpression> ResolveParameterEnumerable(ExpressionScope scope, IDictionary <string, Type> parameterTypes)
{
var parameters = new List <ParameterExpression>();
var parameterEnumerable = scope.CreateParameter(typeof(IEnumerable));
parameters.Add(parameterEnumerable);
var dictParameter = scope.CreateVariable(typeof(Dictionary <string, object>));
var methodConvert = typeof(EvalCompiler).GetMethod("ResolveToParameterDictionary", BindingFlags.NonPublic | BindingFlags.Static);
var expressionConvert = Expression.Call(methodConvert, new Expression[] { parameterEnumerable });
var expressionAssign = Expression.Assign(dictParameter, expressionConvert);
scope.Expressions.Add(expressionAssign);
foreach (var parameter in parameterTypes)
{
scope.CreateLazyVariable(parameter.Key, new Lazy <Expression>(() =>
{
var innerParameter = scope.CreateVariable(parameter.Value, parameter.Key);
Expression innerExpression = Expression.Property(dictParameter, DictionaryItemPropertyInfo, Expression.Constant(parameter.Key));
innerExpression = innerExpression.Type != parameter.Value ?
Expression.Assign(innerParameter, Expression.Convert(innerExpression, parameter.Value)) :
Expression.Assign(innerParameter, innerExpression);
scope.Expressions.Add(Expression.Assign(innerParameter, innerExpression));
return(innerParameter);
}));
}
return(parameters);
}
/// <summary>Resolve untyped parameters used for the code or expression.</summary>
/// <param name="scope">The expression scope for the code or expression to compile.</param>
/// <param name="parameterTypes">The dictionary of parameter (name / type) used in the code or expression to compile.</param>
/// <returns>A ParameterExpression list used in code or expression to compile.</returns>
private static List<ParameterExpression> ResolveParameterUntyped(ExpressionScope scope, IDictionary<string, Type> parameterTypes, bool forceFirstParameterProperty = false)
{
var parameters = new List<ParameterExpression>();
foreach (var parameter in parameterTypes)
{
var parameterExpression = scope.CreateParameter(typeof (object));
parameters.Add(parameterExpression);
scope.CreateLazyVariable(parameter.Key, new Lazy<Expression>(() =>
{
var innerParameter = scope.CreateVariable(parameter.Value, parameter.Key);
var innerExpression = parameterExpression.Type != parameter.Value ?
Expression.Assign(innerParameter, Expression.Convert(parameterExpression, parameter.Value)) :
Expression.Assign(innerParameter, parameterExpression);
scope.Expressions.Insert(0, innerExpression);
return innerParameter;
}));
}
if (parameterTypes.Count == 1 || (parameterTypes.Count > 0 && forceFirstParameterProperty))
{
var keyValue = parameterTypes.First();
if (Type.GetTypeCode(keyValue.Value) == TypeCode.Object)
{
ResolzeLazyMember(scope, parameterTypes, keyValue.Key, keyValue.Value);
}
}
return parameters;
}
/// <summary>Resolve untyped parameters used for the code or expression.</summary>
/// <param name="scope">The expression scope for the code or expression to compile.</param>
/// <param name="parameterTypes">The dictionary of parameter (name / type) used in the code or expression to compile.</param>
/// <returns>A ParameterExpression list used in code or expression to compile.</returns>
private static List <ParameterExpression> ResolveParameterUntyped(ExpressionScope scope, IDictionary <string, Type> parameterTypes)
{
var parameters = new List <ParameterExpression>();
foreach (var parameter in parameterTypes)
{
var parameterExpression = scope.CreateParameter(typeof(object));
parameters.Add(parameterExpression);
scope.CreateLazyVariable(parameter.Key, new LazySingleThread <Expression>(() =>
{
var innerParameter = scope.CreateVariable(parameter.Value, parameter.Key);
var innerExpression = parameterExpression.Type != parameter.Value ?
Expression.Assign(innerParameter, Expression.Convert(parameterExpression, parameter.Value)) :
Expression.Assign(innerParameter, parameterExpression);
scope.Expressions.Insert(0, innerExpression);
return(innerParameter);
}));
}
if (parameterTypes.Count == 1)
{
var keyValue = parameterTypes.First();
if (Type.GetTypeCode(keyValue.Value) == TypeCode.Object)
{
ResolzeLazyMember(scope, parameterTypes, keyValue.Key, keyValue.Value);
}
}
return(parameters);
}
/// <summary>Resolve single object parameters used for the code or expression.</summary>
/// <param name="scope">The expression scope for the code or expression to compile.</param>
/// <param name="parameterTypes">The dictionary of parameter (name / type) used in the code or expression to compile.</param>
/// <returns>A ParameterExpression list used in code or expression to compile.</returns>
private static List<ParameterExpression> ResolveParameterSingleObject(ExpressionScope scope, IDictionary<string, Type> parameterTypes)
{
var parameters = new List<ParameterExpression>();
var parameterExpression = scope.CreateParameter(typeof (object));
parameters.Add(parameterExpression);
var parameterObjectType = parameterTypes["{0}"];
var parameterObject = scope.CreateVariable(parameterObjectType, "{0}");
scope.Expressions.Add(Expression.Assign(parameterObject, Expression.Convert(parameterExpression, parameterObjectType)));
foreach (var parameter in parameterTypes)
{
scope.CreateLazyVariable(parameter.Key, new Lazy<Expression>(() =>
{
var innerParameter = scope.CreateVariable(parameter.Value, parameter.Key);
var property = parameterObjectType.GetProperty(parameter.Key);
Expression innerExpression = property != null ?
Expression.Property(parameterObject, property) :
Expression.Field(parameterObject, parameterObjectType.GetField(parameter.Key));
innerExpression = innerExpression.Type != parameter.Value ?
Expression.Assign(innerParameter, Expression.Convert(innerExpression, parameter.Value)) :
Expression.Assign(innerParameter, innerExpression);
scope.Expressions.Add(Expression.Assign(innerParameter, innerExpression));
return innerParameter;
}));
}
return parameters;
}
/// <summary>Resolve typed parameters used for the code or expression.</summary>
/// <param name="scope">The expression scope for the code or expression to compile.</param>
/// <param name="parameterTypes">The dictionary of parameter (name / type) used in the code or expression to compile.</param>
/// <returns>A ParameterExpression list used in code or expression to compile.</returns>
private static List <ParameterExpression> ResolveParameterTyped(ExpressionScope scope, IDictionary <string, Type> parameterTypes)
{
var parameters = new List <ParameterExpression>();
foreach (var parameter in parameterTypes)
{
parameters.Add(scope.CreateParameter(parameter.Value, parameter.Key));
}
if (parameterTypes.Count == 1)
{
var keyValue = parameterTypes.First();
if (Type.GetTypeCode(keyValue.Value) == TypeCode.Object)
{
ResolzeLazyMember(scope, parameterTypes, keyValue.Key, keyValue.Value);
}
}
return(parameters);
}
/// <summary>Resolve typed parameters used for the code or expression.</summary>
/// <param name="scope">The expression scope for the code or expression to compile.</param>
/// <param name="parameterTypes">The dictionary of parameter (name / type) used in the code or expression to compile.</param>
/// <returns>A ParameterExpression list used in code or expression to compile.</returns>
private static List<ParameterExpression> ResolveParameterTyped(ExpressionScope scope, IDictionary<string, Type> parameterTypes)
{
var parameters = new List<ParameterExpression>();
foreach (var parameter in parameterTypes)
{
parameters.Add(scope.CreateParameter(parameter.Value, parameter.Key));
}
if (parameterTypes.Count == 1)
{
var keyValue = parameterTypes.First();
if (Type.GetTypeCode(keyValue.Value) == TypeCode.Object)
{
ResolzeLazyMember(scope, parameterTypes, keyValue.Key, keyValue.Value);
}
}
return parameters;
}
/// <summary>Resolve single object parameters used for the code or expression.</summary>
/// <param name="scope">The expression scope for the code or expression to compile.</param>
/// <param name="parameterTypes">The dictionary of parameter (name / type) used in the code or expression to compile.</param>
/// <returns>A ParameterExpression list used in code or expression to compile.</returns>
private static List <ParameterExpression> ResolveParameterSingleObject(ExpressionScope scope, IDictionary <string, Type> parameterTypes)
{
var parameters = new List <ParameterExpression>();
var parameterExpression = scope.CreateParameter(typeof(object));
parameters.Add(parameterExpression);
var parameterObjectType = parameterTypes["{0}"];
var parameterObject = scope.CreateVariable(parameterObjectType, "{0}");
scope.Expressions.Add(Expression.Assign(parameterObject, Expression.Convert(parameterExpression, parameterObjectType)));
foreach (var parameter in parameterTypes)
{
scope.CreateLazyVariable(parameter.Key, new Lazy <Expression>(() =>
{
var innerParameter = scope.CreateVariable(parameter.Value, parameter.Key);
var property = parameterObjectType.GetProperty(parameter.Key);
Expression innerExpression = property != null ?
Expression.Property(parameterObject, property) :
Expression.Field(parameterObject, parameterObjectType.GetField(parameter.Key));
innerExpression = innerExpression.Type != parameter.Value ?
Expression.Assign(innerParameter, Expression.Convert(innerExpression, parameter.Value)) :
Expression.Assign(innerParameter, innerExpression);
scope.Expressions.Add(Expression.Assign(innerParameter, innerExpression));
return(innerParameter);
}));
}
return(parameters);
}
/// <summary>Resolve single dictionary parameters used for the code or expression.</summary>
/// <param name="scope">The expression scope for the code or expression to compile.</param>
/// <param name="parameterTypes">The dictionary of parameter (name / type) used in the code or expression to compile.</param>
/// <returns>A ParameterExpression list used in code or expression to compile.</returns>
private static List <ParameterExpression> ResolveParameterSingleDictionary(ExpressionScope scope, IDictionary <string, Type> parameterTypes, bool forceFirstParameterProperty = false)
{
var parameters = new List <ParameterExpression>();
var parameterDictionary = scope.CreateParameter(typeof(IDictionary), "{0}");
parameters.Add(parameterDictionary);
foreach (var parameter in parameterTypes)
{
scope.CreateLazyVariable(parameter.Key, new Lazy <Expression>(() =>
{
var innerParameter = scope.CreateVariable(parameter.Value, parameter.Key);
Expression innerExpression = Expression.Property(parameterDictionary, DictionaryItemPropertyInfo, Expression.Constant(parameter.Key));
innerExpression = innerExpression.Type != parameter.Value ?
Expression.Assign(innerParameter, Expression.Convert(innerExpression, parameter.Value)) :
Expression.Assign(innerParameter, innerExpression);
scope.Expressions.Add(Expression.Assign(innerParameter, innerExpression));
return(innerParameter);
}));
}
if (parameterTypes.Count > 0 && forceFirstParameterProperty)
{
var keyValue = parameterTypes.First();
if (Type.GetTypeCode(keyValue.Value) == TypeCode.Object)
{
ResolzeLazyMember(scope, parameterTypes, keyValue.Key, keyValue.Value);
}
}
return(parameters);
}
