44                 return metaAccess.lookupJavaMethod(m).asStackTraceElement(0);
  45             }
  46         }
  47         throw new GraalError("could not find method named \"execute\" in " + c.getName());
  48     }
  49 
  50     protected boolean checkInjectedArgument(GraphBuilderContext b, ValueNode arg, ResolvedJavaMethod foldAnnotatedMethod) {
  51         if (arg.isNullConstant()) {
  52             return true;
  53         }
  54 
  55         MetaAccessProvider metaAccess = b.getMetaAccess();
  56         ResolvedJavaMethod executeMethod = metaAccess.lookupJavaMethod(getExecuteMethod());
  57         ResolvedJavaType thisClass = metaAccess.lookupJavaType(getClass());
  58         ResolvedJavaMethod thisExecuteMethod = thisClass.resolveConcreteMethod(executeMethod, thisClass);
  59         if (b.getMethod().equals(thisExecuteMethod)) {
  60             // The "execute" method of this plugin is itself being compiled. In (only) this context,
  61             // the injected argument of the call to the @Fold annotated method will be non-null.
  62             return true;
  63         }
  64         throw new AssertionError("must pass null to injected argument of " + foldAnnotatedMethod.format("%H.%n(%p)"));
  65     }
  66 
  67     private static Method getExecuteMethod() {
  68         try {
  69             return GeneratedInvocationPlugin.class.getMethod("execute", GraphBuilderContext.class, ResolvedJavaMethod.class, InvocationPlugin.Receiver.class, ValueNode[].class);
  70         } catch (NoSuchMethodException | SecurityException e) {
  71             throw new GraalError(e);
  72         }
  73     }
  74 }

  44                 return metaAccess.lookupJavaMethod(m).asStackTraceElement(0);
  45             }
  46         }
  47         throw new GraalError("could not find method named \"execute\" in " + c.getName());
  48     }
  49 
  50     protected boolean checkInjectedArgument(GraphBuilderContext b, ValueNode arg, ResolvedJavaMethod foldAnnotatedMethod) {
  51         if (arg.isNullConstant()) {
  52             return true;
  53         }
  54 
  55         MetaAccessProvider metaAccess = b.getMetaAccess();
  56         ResolvedJavaMethod executeMethod = metaAccess.lookupJavaMethod(getExecuteMethod());
  57         ResolvedJavaType thisClass = metaAccess.lookupJavaType(getClass());
  58         ResolvedJavaMethod thisExecuteMethod = thisClass.resolveConcreteMethod(executeMethod, thisClass);
  59         if (b.getMethod().equals(thisExecuteMethod)) {
  60             // The "execute" method of this plugin is itself being compiled. In (only) this context,
  61             // the injected argument of the call to the @Fold annotated method will be non-null.
  62             return true;
  63         }
  64         throw new AssertionError("must pass null to injected argument of " + foldAnnotatedMethod.format("%H.%n(%p)") + ", not " + arg);
  65     }
  66 
  67     private static Method getExecuteMethod() {
  68         try {
  69             return GeneratedInvocationPlugin.class.getMethod("execute", GraphBuilderContext.class, ResolvedJavaMethod.class, InvocationPlugin.Receiver.class, ValueNode[].class);
  70         } catch (NoSuchMethodException | SecurityException e) {
  71             throw new GraalError(e);
  72         }
  73     }
  74 }