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Fixes to the Type Binder and static method handling

This commit is contained in:
Deukhoofd 2018-12-09 22:12:03 +01:00
parent 3d9b7a53e9
commit 5646ff1da1
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GPG Key ID: B4C087AC81641654
3 changed files with 130 additions and 104 deletions
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6
Upsilon/BaseTypes/TypeConversion.cs
View File

@ -1,5 +1,6 @@
using System;
using System.Collections;
using System.Linq;
using System.Reflection;
using Upsilon.BaseTypes.Number;
using Upsilon.BaseTypes.ScriptFunction;
@ -71,6 +72,11 @@ namespace Upsilon.BaseTypes
}
}
if (o is IEnumerable enumerable)
{
return new ListUserData(enumerable.Cast<object>().ToList());
}
return new GenericUserData(o);
}

65
Upsilon/BaseTypes/UserData/UpsilonBinder.cs
View File

@ -24,6 +24,16 @@ namespace Upsilon.BaseTypes.UserData
state = null;
foreach (var match in matches)
{
if (IsValidMatch(match, ref args))
return match;
}
state = null;
return null;
}
public bool IsValidMatch(MethodBase match, ref object[] args)
{
var validMatch = true;
var parameters = match.GetParameters();
@ -33,10 +43,10 @@ namespace Upsilon.BaseTypes.UserData
if (args.Length <= i)
{
if (matchParameter.IsOptional)
return match;
validMatch = false;
break;
return true;
return false;
}
var argument = args[i];
var argumentType = argument.GetType();
@ -48,6 +58,7 @@ namespace Upsilon.BaseTypes.UserData
{
continue;
}
break;
case TypeCode.Char:
case TypeCode.String:
@ -55,6 +66,7 @@ namespace Upsilon.BaseTypes.UserData
{
continue;
}
break;
case TypeCode.Byte:
case TypeCode.Decimal:
@ -71,6 +83,7 @@ namespace Upsilon.BaseTypes.UserData
{
continue;
}
break;
case TypeCode.Object:
continue;
@ -91,17 +104,10 @@ namespace Upsilon.BaseTypes.UserData
if (!matchParameter.ParameterType.IsAssignableFrom(argumentType))
{
validMatch = false;
break;
return false;
}
}
if (validMatch)
return match;
}
state = null;
return null;
return validMatch;
}
public override object ChangeType(object value, System.Type type, CultureInfo culture)
@ -185,7 +191,40 @@ namespace Upsilon.BaseTypes.UserData
if (value is ListUserData d)
return d.List;
if (value is ScriptTable.ScriptTable table)
return table.EvaluationScope.Variables.Select(x => x.Value.ToCSharpObject());
{
var generics = type.GetGenericArguments();
if (generics.Length > 0)
{
var l1 = typeof(List<>);
var requiredListType = l1.MakeGenericType(generics[0]);
var list = (IList)Activator.CreateInstance(requiredListType);
foreach (var variable in table.EvaluationScope.Variables)
{
list.Add(variable.Value.ToCSharpObject());
}
return list;
}
return table.EvaluationScope.Variables.Select(x => x.Value.ToCSharpObject()).ToArray();
}
}
if (typeof(IEnumerable).IsAssignableFrom(type))
{
if (value is ListUserData d)
return d.List;
if (value is ScriptTable.ScriptTable table)
{
var generics = type.GetGenericArguments();
var l1 = typeof(List<>);
var requiredListType = l1.MakeGenericType(generics[0]);
var list = (IList)Activator.CreateInstance(requiredListType);
foreach (var variable in table.EvaluationScope.Variables)
{
list.Add(variable.Value.ToCSharpObject());
}
return list;
}
}
var isScriptTypeRequired = typeof(ScriptType).IsAssignableFrom(type);

43
Upsilon/BaseTypes/UserData/UserDataMethod.cs
View File

@ -1,5 +1,5 @@
using System.Collections.Generic;
using System.Linq;
using System.Globalization;
using System.Reflection;
using Upsilon.Evaluator;
using Upsilon.StandardLibraries;
@ -73,43 +73,24 @@ namespace Upsilon.BaseTypes.UserData
return MethodParts;
}
public MethodInfo GetMethod(ref object[] parameters)
public MethodInfo GetMethod(ref object[] arguments)
{
foreach (var userDataMethodPart in MethodParts)
{
if (userDataMethodPart.Parameters.Length < parameters.Length)
continue;
bool valid = true;
for (var index = 0; index < userDataMethodPart.Parameters.Length; index++)
var methodBase = userDataMethodPart.Method;
if (UpsilonBinder.Default.IsValidMatch(methodBase, ref arguments))
{
var userDataMethodParameter = userDataMethodPart.Parameters[index];
if (index >= parameters.Length)
var parameters = methodBase.GetParameters();
for (var i = 0; i < parameters.Length; i++)
{
if (userDataMethodParameter.IsOptional)
return userDataMethodPart.Method;
valid = false;
break;
}
var parameter = parameters[index];
var parameterType = parameter.GetType();
if (parameterType.IsGenericType) parameter = parameterType.GetGenericTypeDefinition();
if (userDataMethodParameter.Type != parameterType &&
!userDataMethodParameter.Type.IsAssignableFrom(parameterType))
{
if (parameter is ScriptType t)
{
if (userDataMethodParameter.Type.IsAssignableFrom(t.GetCSharpType()))
{
parameters[index] = ((ScriptType) parameter).ToCSharpObject();
continue;
}
}
valid = false;
break;
}
var argument = arguments[i];
var requiredType = parameters[i].ParameterType;
arguments[i] =
UpsilonBinder.Default.ChangeType(argument, requiredType, CultureInfo.InvariantCulture);
}
if (valid) return userDataMethodPart.Method;
return methodBase;
}
}
return null;