Package org.objectweb.asm

Examples of org.objectweb.asm.Handle

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    public void invokeSuper(String name, int arity) {
        adapter.invokedynamic("invokeSuper:" + JavaNameMangler.mangleMethodName(name), sig(JVM.OBJECT, params(ThreadContext.class, JVM.OBJECT, JVM.OBJECT, arity)), new Handle(Opcodes.H_INVOKESTATIC, "dummy", "dummy", "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;J)Ljava/lang/invoke/CallSite;"));
    }

    public void invokeOtherBoolean(String name, int arity) {
        adapter.invokedynamic("invoke:" + JavaNameMangler.mangleMethodName(name), sig(boolean.class, params(ThreadContext.class, JVM.OBJECT, JVM.OBJECT, arity)), new Handle(Opcodes.H_INVOKESTATIC, "dummy", "dummy", "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;J)Ljava/lang/invoke/CallSite;"));
    }
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    public void invokeOtherBoolean(String name, int arity) {
        adapter.invokedynamic("invoke:" + JavaNameMangler.mangleMethodName(name), sig(boolean.class, params(ThreadContext.class, JVM.OBJECT, JVM.OBJECT, arity)), new Handle(Opcodes.H_INVOKESTATIC, "dummy", "dummy", "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;J)Ljava/lang/invoke/CallSite;"));
    }

    public void invokeSelfBoolean(String name, int arity) {
        adapter.invokedynamic("invokeSelf:" + JavaNameMangler.mangleMethodName(name), sig(boolean.class, params(ThreadContext.class, JVM.OBJECT, JVM.OBJECT, arity)), new Handle(Opcodes.H_INVOKESTATIC, "dummy", "dummy", "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;J)Ljava/lang/invoke/CallSite;"));
    }
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    public void pushUndefined() {
        adapter.getstatic(p(UndefinedValue.class), "UNDEFINED", ci(UndefinedValue.class));
    }
   
    public void pushHandle(String className, String methodName, int arity) {
        adapter.getMethodVisitor().visitLdcInsn(new Handle(Opcodes.H_INVOKESTATIC, className, methodName, ClassData.SIGS[arity]));
    }
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                int tag = Integer.parseInt(val.substring(tagIndex + 1,
                        val.length() - 1));
                String owner = val.substring(0, dotIndex);
                String name = val.substring(dotIndex + 1, descIndex);
                String desc = val.substring(descIndex, tagIndex - 1);
                return new Handle(tag, owner, name, desc);

            } catch (RuntimeException e) {
                throw new SAXException("Malformed handle " + val, e);
            }
        }
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        }

        @Override
        public final void end(final String element) {
            ArrayList<?> bsmArgs = (ArrayList<?>) pop();
            Handle bsm = (Handle) pop();
            String desc = (String) pop();
            String name = (String) pop();
            getCodeVisitor().visitInvokeDynamicInsn(name, desc, bsm,
                    bsmArgs.toArray());
        }
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            buf.append("Type.getType(\"");
            buf.append(((Type) cst).getDescriptor());
            buf.append("\")");
        } else if (cst instanceof Handle) {
            buf.append("new Handle(");
            Handle h = (Handle) cst;
            buf.append("Opcodes.").append(HANDLE_TAG[h.getTag()])
                    .append(", \"");
            buf.append(h.getOwner()).append("\", \"");
            buf.append(h.getName()).append("\", \"");
            buf.append(h.getDesc()).append("\")");
        } else if (cst instanceof Byte) {
            buf.append("new Byte((byte)").append(cst).append(')');
        } else if (cst instanceof Boolean) {
            buf.append(((Boolean) cst).booleanValue() ? "Boolean.TRUE"
                    : "Boolean.FALSE");
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    MethodType invokedType = MethodType.fromMethodDescriptorString(indyNameAndDescriptor.substring(descriptorStart), callerLoader);
   
    // Use bsmArgs to build the parameters
    MethodType samMethodType = MethodType.fromMethodDescriptorString((String)(((Type)bsmArgs[0]).getDescriptor()), callerLoader);

    Handle bsmArgsHandle = (Handle)bsmArgs[1];
    String owner = bsmArgsHandle.getOwner();
    String name = bsmArgsHandle.getName();
    String descriptor = bsmArgsHandle.getDesc();
    MethodType implMethodType = MethodType.fromMethodDescriptorString(descriptor, callerLoader);
    // Looking up the lambda$run method in the caller class (note the caller class is the executor, which gets us around the
    // problem of having to hack into LambdaMetafactory to intercept reflection)
    MethodHandle implMethod = null;
    switch (bsmArgsHandle.getTag()) {
      case Opcodes.H_INVOKESTATIC:
        implMethod = caller.findStatic(caller.lookupClass(), name, implMethodType);
        break;
      case Opcodes.H_INVOKESPECIAL:
        // If there is an executor, the lambda function is actually modified from 'private instance' to 'public static' so adjust lookup. The method
        // will be static with a new leading parameter.
        if (executorClass == null) {
          // TODO is final parameter here correct?
          implMethod = caller.findSpecial(caller.lookupClass(), name, implMethodType, caller.lookupClass());
        }
        else {
          implMethod = caller.findStatic(caller.lookupClass(), name, MethodType.fromMethodDescriptorString("(L"+owner+";"+descriptor.substring(1),callerLoader));
        }
        break;
      case Opcodes.H_INVOKEVIRTUAL:
        // If there is an executor, the lambda function is actually modified from 'private instance' to 'public static' so adjust lookup. The method
        // will be static with a new leading parameter.
        if (executorClass == null) {
          // TODO when can this scenario occur? Aren't we only here if reloading has happened?
          implMethod = caller.findVirtual(caller.lookupClass(), name, implMethodType);
        }
        else {
          implMethod = caller.findStatic(caller.lookupClass(), name, MethodType.fromMethodDescriptorString("(L"+owner+";"+descriptor.substring(1),callerLoader));
        }
        break;
      default:
        throw new IllegalStateException("nyi "+bsmArgsHandle.getTag());
    }

    MethodType instantiatedMethodType = MethodType.fromMethodDescriptorString((String)(((Type)bsmArgs[2]).getDescriptor()), callerLoader);
   
    return LambdaMetafactory.metafactory(caller, invokedName, invokedType, samMethodType, implMethod, instantiatedMethodType);
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        int tag = oldHandle.getTag();
        String owner = oldHandle.getOwner();
        String name = oldHandle.getName();
        String desc = oldHandle.getDesc();
        owner = renameRetargetIfNecessary(owner);
        Handle newHandle = new Handle(tag,owner,name,desc);
        return newHandle;
      }
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            else {
                throw new RuntimeException("Unrecognized extra argument for invokedynamic");
            }
        }

        Handle bsmHandle = new Handle(Opcodes.H_INVOKESTATIC, bsmType, bsmName, bsmMT.toMethodDescriptorString());
        m.visitInvokeDynamicInsn(name, Type.getMethodDescriptor(retType, argTypes), bsmHandle, extraArgs);
    }
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                int tag = Integer.parseInt(val.substring(tagIndex + 1,
                        val.length() - 1));
                String owner = val.substring(0, dotIndex);
                String name = val.substring(dotIndex + 1, descIndex);
                String desc = val.substring(descIndex, tagIndex - 1);
                return new Handle(tag, owner, name, desc);

            } catch (RuntimeException e) {
                throw new SAXException("Malformed handle " + val, e);
            }
        }
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