|
public static BindField ( PhpTypeInfo type, |
||
| type | PhpTypeInfo | |
| classCtx | ||
| target | ||
| field | string | |
| ctx | ||
| access | AccessFlags | |
| rvalue | ||
| Результат | ||
public override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
{
var restrictions = BindingRestrictions.Empty;
PhpTypeInfo phptype;
Expression target_expr;
//
var ctx = args[0];
var fldName = ResolveName(args, ref restrictions);
//
if (target.LimitType == typeof(PhpTypeInfo)) // static field
{
target_expr = null;
phptype = (PhpTypeInfo)target.Value;
//
restrictions = restrictions.Merge(BindingRestrictions.GetInstanceRestriction(target.Expression, phptype));
}
else
{
var isobject = BinderHelpers.TryTargetAsObject(target, out DynamicMetaObject instance);
restrictions = restrictions.Merge(instance.Restrictions);
if (isobject == false)
{
var defaultexpr = ConvertExpression.BindDefault(_returnType);
if (!_access.Quiet())
{
// PhpException.VariableMisusedAsObject(target, _access.ReadRef)
var throwcall = Expression.Call(typeof(PhpException), "VariableMisusedAsObject", Array.Empty <Type>(),
ConvertExpression.BindToValue(target.Expression), Expression.Constant(_access.EnsureAlias()));
defaultexpr = Expression.Block(throwcall, defaultexpr);
}
return(new DynamicMetaObject(defaultexpr, restrictions));
}
phptype = instance.RuntimeType.GetPhpTypeInfo();
target_expr = target_expr = Expression.Convert(instance.Expression, instance.RuntimeType);
}
Debug.Assert(IsClassConst == (target_expr == null));
//
var getter = IsClassConst
? BinderHelpers.BindClassConstant(phptype, _classContext, fldName, ctx.Expression)
: BinderHelpers.BindField(phptype, _classContext, target_expr, fldName, ctx.Expression, _access, null);
if (getter != null)
{
//
return(new DynamicMetaObject(ConvertExpression.Bind(getter, _returnType, ctx.Expression), restrictions));
}
// field not found
throw new NotImplementedException();
}
public override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
{
var restrictions = BindingRestrictions.Empty;
Expression target_expr;
object target_value;
BinderHelpers.TargetAsObject(target, out target_expr, out target_value, ref restrictions);
string fldName;
Expression value;
ResolveArgs(args, ref restrictions, out fldName, out value);
var runtime_type = target_value.GetType();
//
if (target_expr.Type != runtime_type)
{
restrictions = restrictions.Merge(BindingRestrictions.GetTypeRestriction(target_expr, runtime_type));
target_expr = Expression.Convert(target_expr, runtime_type);
}
//
var setter = BinderHelpers.BindField(runtime_type.GetPhpTypeInfo(), _classContext, target_expr, fldName, null, _access, value);
if (setter != null)
{
//
return(new DynamicMetaObject(setter, restrictions));
}
// field not found
throw new NotImplementedException();
}
public override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
{
bool hasTargetInstance = (target.LimitType != typeof(TargetTypeParam));
var bound = new CallSiteContext(!hasTargetInstance)
{
ClassContext = _classContext,
Name = _name
}
.ProcessArgs(target, args, hasTargetInstance);
if (hasTargetInstance)
{
var isobject = bound.TargetType != null;
if (isobject == false)
{
var defaultexpr = ConvertExpression.BindDefault(_returnType);
if (!_access.Quiet())
{
// PhpException.VariableMisusedAsObject(target, _access.ReadRef)
var throwcall = BinderHelpers.VariableMisusedAsObject(target.Expression, _access.EnsureAlias());
defaultexpr = Expression.Block(throwcall, defaultexpr);
}
return(new DynamicMetaObject(defaultexpr, bound.Restrictions));
}
// instance := (T)instance
bound.TargetInstance = Expression.Convert(bound.TargetInstance, bound.TargetType.Type);
}
Debug.Assert(IsClassConst ? (bound.TargetInstance == null) : true);
//
var getter = IsClassConst
? BinderHelpers.BindClassConstant(bound.TargetType, bound.ClassContext, bound.Name, bound.Context)
: BinderHelpers.BindField(bound.TargetType, bound.ClassContext, bound.TargetInstance, bound.Name, bound.Context, _access, null);
if (getter != null)
{
//
return(new DynamicMetaObject(ConvertExpression.Bind(getter, _returnType, bound.Context), bound.Restrictions));
}
if (IsClassConst)
{
// error: constant not defined
// ...
}
// unreachable: property not found
throw new InvalidOperationException($"{bound.TargetType.Name}::{bound.Name} could not be resolved.");
}
public override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
{
bool hasTargetInstance = (target.LimitType != typeof(TargetTypeParam));
var bound = new CallSiteContext()
{
ClassContext = _classContext,
Name = _name
}
.ProcessArgs(target, args, hasTargetInstance);
if (hasTargetInstance)
{
var isobject = bound.TargetType != null;
if (isobject == false)
{
var defaultexpr = ConvertExpression.BindDefault(_returnType);
if (!_access.Quiet())
{
// PhpException.VariableMisusedAsObject(target, _access.ReadRef)
var throwcall = Expression.Call(typeof(PhpException), "VariableMisusedAsObject", Array.Empty <Type>(),
ConvertExpression.BindToValue(target.Expression), Expression.Constant(_access.EnsureAlias()));
defaultexpr = Expression.Block(throwcall, defaultexpr);
}
return(new DynamicMetaObject(defaultexpr, bound.Restrictions));
}
// instance := (T)instance
bound.TargetInstance = Expression.Convert(bound.TargetInstance, bound.TargetType.Type.AsType());
}
Debug.Assert(IsClassConst ? (bound.TargetInstance == null) : true);
//
var getter = IsClassConst
? BinderHelpers.BindClassConstant(bound.TargetType, bound.ClassContext, bound.Name, bound.Context)
: BinderHelpers.BindField(bound.TargetType, bound.ClassContext, bound.TargetInstance, bound.Name, bound.Context, _access, null);
if (getter != null)
{
//
return(new DynamicMetaObject(ConvertExpression.Bind(getter, _returnType, bound.Context), bound.Restrictions));
}
// field not found
throw new NotImplementedException();
}
public override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
{
var restrictions = BindingRestrictions.Empty;
Expression target_expr;
PhpTypeInfo phptype;
//
string fldName;
Expression value;
ResolveArgs(args, ref restrictions, out fldName, out value);
var ctx = args[args.Length - 1];
//
if (target.LimitType == typeof(PhpTypeInfo)) // static field
{
target_expr = null;
phptype = (PhpTypeInfo)target.Value;
}
else
{
object target_value;
BinderHelpers.TargetAsObject(target, out target_expr, out target_value, ref restrictions);
var runtime_type = target_value.GetType();
//
if (target_expr.Type != runtime_type)
{
restrictions = restrictions.Merge(BindingRestrictions.GetTypeRestriction(target_expr, runtime_type));
target_expr = Expression.Convert(target_expr, runtime_type);
}
phptype = runtime_type.GetPhpTypeInfo();
}
//
var setter = BinderHelpers.BindField(phptype, _classContext, target_expr, fldName, ctx.Expression, _access, value);
if (setter != null)
{
//
return(new DynamicMetaObject(setter, restrictions));
}
// field not found
throw new NotImplementedException();
}
public override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
{
var restrictions = BindingRestrictions.Empty;
PhpTypeInfo phptype;
Expression target_expr;
//
var fldName = ResolveName(args, ref restrictions);
//
if (target.LimitType == typeof(PhpTypeInfo)) // static field
{
target_expr = null;
phptype = (PhpTypeInfo)target.Value;
//
restrictions = restrictions.Merge(BindingRestrictions.GetInstanceRestriction(target.Expression, target_expr));
}
else
{
// instance field
object target_value;
BinderHelpers.TargetAsObject(target, out target_expr, out target_value, ref restrictions);
var runtime_type = target_value.GetType();
//
if (target_expr.Type != runtime_type)
{
restrictions = restrictions.Merge(BindingRestrictions.GetTypeRestriction(target_expr, runtime_type));
target_expr = Expression.Convert(target_expr, runtime_type);
}
phptype = runtime_type.GetPhpTypeInfo();
}
//
var getter = BinderHelpers.BindField(phptype, _classContext, target_expr, fldName, null, _access, null);
if (getter != null)
{
//
return(new DynamicMetaObject(ConvertExpression.Bind(getter, _returnType), restrictions));
}
// field not found
throw new NotImplementedException();
}
public override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
{
bool hasTargetInstance = (target.LimitType != typeof(TargetTypeParam));
var bound = new CallSiteContext(!hasTargetInstance)
{
ClassContext = _classContext,
Name = _name,
}
.ProcessArgs(target, args, hasTargetInstance);
//
if (hasTargetInstance)
{
var isobject = bound.TargetType != null;
if (isobject == false)
{
// VariableMisusedAsObject
return(new DynamicMetaObject(
BinderHelpers.VariableMisusedAsObject(target.Expression, false),
bound.Restrictions));
}
// instance := (T)instance
bound.TargetInstance = Expression.Convert(bound.TargetInstance, bound.TargetType.Type.AsType());
}
//
var setter = BinderHelpers.BindField(bound.TargetType, bound.ClassContext, bound.TargetInstance, bound.Name, bound.Context, _access, bound.Arguments.FirstOrDefault());
if (setter != null)
{
//
return(new DynamicMetaObject(setter, bound.Restrictions));
}
// field not found
throw new NotImplementedException();
}
