diff options
Diffstat (limited to 'src/library')
-rw-r--r-- | src/library/scala/reflect/DynamicProxy.scala | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/src/library/scala/reflect/DynamicProxy.scala b/src/library/scala/reflect/DynamicProxy.scala deleted file mode 100644 index 3ed17fea41..0000000000 --- a/src/library/scala/reflect/DynamicProxy.scala +++ /dev/null @@ -1,74 +0,0 @@ -package scala.reflect -/** - * A dynamic proxy which redirects method calls and attribute access to a given - * target object at runtime using reflection. - * - * Usage example: - * - * object x{ def hello = "hello world" } - * val d = new DynamicProxy{ val dynamicProxyTarget = x } - * assert( d.hello == "hello world" ) - * - * Not supported (yet): - * - implicit conversions and parameters - * - multiple arguments lists - * - explicit type arguments - */ -trait DynamicProxy extends Dynamic{ - /** Method calls on DynamicProxy are redirected to this object. Needs to be defined in a subclass. */ - val dynamicProxyTarget : AnyRef - - import scala.reflect.mirror._ - /** - * boxing to preserve information on primitive types for overloading resolution - */ - case class DynamicReflectBoxed( class_ : Class[_], value: Any ) - object DynamicReflectBoxed{ - implicit def box[@specialized T]( v:T ) = DynamicReflectBoxed( v.getClass, v ) - } - - def selectDynamic( method:String ) = { - val symbol = classToType( dynamicProxyTarget.getClass ).member( newTermName(method).encodedName ) - invoke( dynamicProxyTarget, symbol )() - } - - def updateDynamic( method:String )( value : Any ) = { - val symbol = classToType( dynamicProxyTarget.getClass ).member( newTermName(method+"_=").encodedName ) - invoke( dynamicProxyTarget, symbol )( value ) - } - - def applyDynamic( method:String )( args:DynamicReflectBoxed* ) : Any - = applyDynamicNamed( method )( args.map( value => ("",value) ) :_* ) - - def applyDynamicNamed( method:String )( args:(String,DynamicReflectBoxed)* ) : Any = { - val class_ = dynamicProxyTarget.getClass - var i = 0 - val toolbox = mkToolBox(mkConsoleFrontEnd(),"") - val symbol = classToType( dynamicProxyTarget.getClass ).member( newTermName(method).encodedName ) - if(args.size == 0){ - invoke( dynamicProxyTarget, symbol )() - } else { - val call = - Apply( - Select( - TypeApply( - Select( - Select( - Ident(newFreeTerm("__this", symbolForName("scala.reflect.DynamicProxy").asType, this)) - , newTermName("dynamicProxyTarget") - ), - newTermName("asInstanceOf") ) - , List(TypeTree().setType(classToType(class_))) - ) - ,newTermName(method).encodedName - ) - ,args.map{ case(name,box) => - val value = Ident(newFreeTerm("__arg"+({i+=1;i}.toString), classToType(box.class_), box.value)) - if( name == "" ) value - else AssignOrNamedArg( Ident(name), value ) - }.toList - ) - toolbox.runExpr( call ) - } - } -} |