Examples of org.objectweb.asm.MethodVisitor.visitTryCatchBlock()

org.objectweb.asm.MethodVisitor.visitTryCatchBlock()
Visits a try catch block. @param start beginning of the exception handler's scope (inclusive). @param end end of the exception handler's scope (exclusive). @param handler beginning of the exception handler's code. @param type internal name of the type of exceptions handled by thehandler, or null to catch any exceptions (for "finally" blocks).

                null);
        mv.visitCode();
        Label l0 = new Label();
        Label l1 = new Label();
        Label l2 = new Label();
        mv.visitTryCatchBlock(l0, l1, l2, null);
        Label l3 = new Label();
        mv.visitTryCatchBlock(l2, l3, l2, null);
        mv.visitLabel(l0);
        mv.visitLdcInsn(new Long(11L));
        mv.visitVarInsn(LSTORE, 1);

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        Label l0 = new Label();
        Label l1 = new Label();
        Label l2 = new Label();
        mv.visitTryCatchBlock(l0, l1, l2, null);
        Label l3 = new Label();
        mv.visitTryCatchBlock(l2, l3, l2, null);
        mv.visitLabel(l0);
        mv.visitLdcInsn(new Long(11L));
        mv.visitVarInsn(LSTORE, 1);
        mv.visitLdcInsn(new Long(11L));
        mv.visitVarInsn(LSTORE, 3);

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        final Label l1 = new Label();
        final Label l2 = new Label();


        if (exceptionTypes.length > 0)
        {
            mv.visitTryCatchBlock(l0, l1, l2, "java/lang/reflect/InvocationTargetException");
        }


        // push try code
        mv.visitLabel(l0);
        final String classNameToOverride = method.getDeclaringClass().getName().replace('.', '/');

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                        exceptionLabels.clear();
                        for( Class<?> declaredException : method.getExceptionTypes() )
                        {
                            Label ld = new Label();
                            mv.visitTryCatchBlock( l0, l1, ld, getInternalName( declaredException ) );
                            exceptionLabels.add( ld ); // Reuse this further down for the catch
                        }


                        Label lruntime = new Label();
                        mv.visitTryCatchBlock( l0, l1, lruntime, "java/lang/RuntimeException" );

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                            mv.visitTryCatchBlock( l0, l1, ld, getInternalName( declaredException ) );
                            exceptionLabels.add( ld ); // Reuse this further down for the catch
                        }


                        Label lruntime = new Label();
                        mv.visitTryCatchBlock( l0, l1, lruntime, "java/lang/RuntimeException" );
                        Label lerror = new Label();
                        mv.visitTryCatchBlock( l0, l1, lerror, "java/lang/Throwable" );


                        mv.visitLabel( l0 );
                        mv.visitVarInsn( ALOAD, 0 );

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                        }


                        Label lruntime = new Label();
                        mv.visitTryCatchBlock( l0, l1, lruntime, "java/lang/RuntimeException" );
                        Label lerror = new Label();
                        mv.visitTryCatchBlock( l0, l1, lerror, "java/lang/Throwable" );


                        mv.visitLabel( l0 );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitFieldInsn( GETFIELD, classSlash, "_instance",
                                           "Lorg/qi4j/api/composite/CompositeInvoker;" );

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            mv = cw.visitMethod( ACC_STATIC, "<clinit>", "()V", null, null );
            mv.visitCode();
            Label l0 = new Label();
            Label l1 = new Label();
            Label l2 = new Label();
            mv.visitTryCatchBlock( l0, l1, l2, "java/lang/NoSuchMethodException" );
            mv.visitLabel( l0 );


            // Lookup methods and store in static variables
            int midx = 0;
            for( Method method : methods )

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                            exceptionLabels.clear();
                            for( Class<?> declaredException : method.getExceptionTypes() )
                            {
                                Label ld = new Label();
                                mv.visitTryCatchBlock( l0, l1, ld, getInternalName( declaredException ) );
                                exceptionLabels.add( ld ); // Reuse this further down for the catch
                            }


                            Label lruntime = new Label();
                            mv.visitTryCatchBlock( l0, l1, lruntime, "java/lang/RuntimeException" );

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                                mv.visitTryCatchBlock( l0, l1, ld, getInternalName( declaredException ) );
                                exceptionLabels.add( ld ); // Reuse this further down for the catch
                            }


                            Label lruntime = new Label();
                            mv.visitTryCatchBlock( l0, l1, lruntime, "java/lang/RuntimeException" );
                            Label lerror = new Label();
                            mv.visitTryCatchBlock( l0, l1, lerror, "java/lang/Throwable" );


                            mv.visitLabel( l0 );
                            mv.visitVarInsn( ALOAD, 0 );

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                            }


                            Label lruntime = new Label();
                            mv.visitTryCatchBlock( l0, l1, lruntime, "java/lang/RuntimeException" );
                            Label lerror = new Label();
                            mv.visitTryCatchBlock( l0, l1, lerror, "java/lang/Throwable" );


                            mv.visitLabel( l0 );
                            mv.visitVarInsn( ALOAD, 0 );
                            mv.visitFieldInsn( GETFIELD, classSlash, "_instance",
                                               "Lorg/qi4j/api/composite/CompositeInvoker;" );

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