Package org.jboss.classfilewriter.code

Examples of org.jboss.classfilewriter.code.CodeAttribute.returnInstruction()

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                final ClassMethod method = file.addMethod(Modifier.PUBLIC, "read", "Ljava/lang/Object;", "Ljava/io/ObjectInputStream;");
                final CodeAttribute codeAttribute = method.getCodeAttribute();
                codeAttribute.aload(1);
                codeAttribute.invokevirtual("java/io/ObjectInputStream", "readObject", "()Ljava/lang/Object;");
                codeAttribute.returnInstruction();

                ClassMethod ctor = file.addMethod(Modifier.PUBLIC, "<init>", "V");
                ctor.getCodeAttribute().aload(0);
                ctor.getCodeAttribute().invokespecial(SerializationHackProxy.class.getName(), "<init>", "()V");
                ctor.getCodeAttribute().returnInstruction();
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    public void overrideConstructor(ClassMethod method, Constructor<?> constructor) {
        CodeAttribute ca = method.getCodeAttribute();
        ca.aload(0);
        ca.loadMethodParameters();
        ca.invokespecial(constructor);
        ca.returnInstruction();
    }

}
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            // if the object has not been constructed yet invoke the superclass version of the method
            BranchEnd end = ca.ifne();
            ca.aload(0);
            ca.loadMethodParameters();
            ca.invokespecial(getSuperClassName(), method.getName(), method.getDescriptor());
            ca.returnInstruction();
            // normal invocation path begins here
            ca.branchEnd(end);
            ca.aload(0);
            ca.getfield(getClassName(), INVOCATION_HANDLER_FIELD, InvocationHandler.class);
            ca.aload(0);
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                    Boxing.unbox(ca, method.getReturnType());
                } else {
                    ca.checkcast(superclassMethod.getReturnType().getName());
                }
            }
            ca.returnInstruction();
        }
    }

    /**
     * Generates a proxy constructor that delegates to super(), and then sets the constructed flag to true.
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            ca.loadMethodParameters();
            ca.invokespecial(constructor);
            ca.aload(0);
            ca.iconst(1);
            ca.putfield(getClassName(), CONSTRUCTED_GUARD, "Z");
            ca.returnInstruction();
        }
    }

    /**
     * Generates the writeReplace method if advanced serialization is enabled.
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            ca.dup();
            ca.invokespecial(serializableProxyClass.getName(), "<init>", "()V");
            ca.dup();
            ca.aload(0);
            ca.invokeinterface(SerializableProxy.class.getName(), "setProxyInstance", "(Ljava/lang/Object;)V");
            ca.returnInstruction();
        }
    }

    /**
     * Name of the field that holds the generated dispatcher on the generated proxy
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            // if the object has not been constructed yet invoke the superclass version of the method
            BranchEnd end = ca.ifne();
            ca.aload(0);
            ca.loadMethodParameters();
            ca.invokespecial(getSuperClassName(), method.getName(), method.getDescriptor());
            ca.returnInstruction();
            // normal invocation path begins here
            ca.branchEnd(end);
            ca.aload(0);
            ca.getfield(getClassName(), INVOCATION_HANDLER_FIELD, InvocationHandler.class);
            ca.aload(0);
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                    Boxing.unbox(ca, method.getReturnType());
                } else {
                    ca.checkcast(superclassMethod.getReturnType().getName());
                }
            }
            ca.returnInstruction();
        }
    }

    /**
     * Generates a proxy constructor that delegates to super(), and then sets the constructed flag to true.
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            ca.loadMethodParameters();
            ca.invokespecial(constructor);
            ca.aload(0);
            ca.iconst(1);
            ca.putfield(getClassName(), CONSTRUCTED_GUARD, "Z");
            ca.returnInstruction();
        }
    }

    /**
     * Generates the writeReplace method if advanced serialization is enabled.
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            ca.dup();
            ca.invokespecial(serializableProxyClass.getName(), "<init>", "()V");
            ca.dup();
            ca.aload(0);
            ca.invokeinterface(SerializableProxy.class.getName(), "setProxyInstance", "(Ljava/lang/Object;)V");
            ca.returnInstruction();
        }
    }

    /**
     * Name of the field that holds the generated dispatcher on the generated proxy
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