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).

        mv.visitLabel(tryEnd);
        final Label catchStart = new Label();
        mv.visitLabel(catchStart);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "org/codehaus/groovy/runtime/ScriptBytecodeAdapter", "unwrap", "(Lgroovy/lang/GroovyRuntimeException;)Ljava/lang/Throwable;");
        mv.visitInsn(Opcodes.ATHROW);        
        mv.visitTryCatchBlock(tryStart, tryEnd, catchStart, GRE);
        
        mv.visitMaxs(0, 0);
        mv.visitEnd();
        return mv;
    }

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            }
        }
        
        //exception table writing
        for (ExceptionTableEntry ep : typedExceptions) {
          mv.visitTryCatchBlock(ep.start, ep.end, ep.goal, ep.sig);
        }
        //exception table writing
        for (ExceptionTableEntry ep : untypedExceptions) {
          mv.visitTryCatchBlock(ep.start, ep.end, ep.goal, ep.sig);
        }

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        for (ExceptionTableEntry ep : typedExceptions) {
          mv.visitTryCatchBlock(ep.start, ep.end, ep.goal, ep.sig);
        }
        //exception table writing
        for (ExceptionTableEntry ep : untypedExceptions) {
          mv.visitTryCatchBlock(ep.start, ep.end, ep.goal, ep.sig);
        }
        
        
        pop();
        typedExceptions.clear();

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  public void writeExceptionTable(BlockRecorder block, Label goal, String sig) {
      if (block.isEmpty) return;
      MethodVisitor mv = controller.getMethodVisitor();
      for (LabelRange range : block.ranges) {
          mv.visitTryCatchBlock(range.start, range.end, goal, sig);
      }
  }


//    public MethodVisitor getMethodVisitor() {
//        return mv;

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        mv.visitLabel(tryEnd);
        final Label catchStart = new Label();
        mv.visitLabel(catchStart);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "org/codehaus/groovy/runtime/ScriptBytecodeAdapter", "unwrap", "(Lgroovy/lang/GroovyRuntimeException;)Ljava/lang/Throwable;");
        mv.visitInsn(Opcodes.ATHROW);        
        mv.visitTryCatchBlock(tryStart, tryEnd, catchStart, GRE);
        
        mv.visitMaxs(0, 0);
        mv.visitEnd();
        return mv;
    }

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                    "class$", "(Ljava/lang/String;)Ljava/lang/Class;", null, null);
            mv.visitCode();
            Label l0 = new Label();
            Label l1 = new Label();
            Label l2 = new Label();
            mv.visitTryCatchBlock(l0, l1, l2, "java/lang/ClassNotFoundException");
            mv.visitLabel(l0);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESTATIC,
                    "java/lang/Class",
                    "forName",

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        Label l2 = new Label();
        Label l3 = new Label();
        Label l4 = new Label();
        Label l5 = new Label();
        Label l6 = new Label();
        mv.visitTryCatchBlock(l0, l1, l2, null);
        mv.visitTryCatchBlock(l2, l3, l2, null);
        mv.visitInsn(ICONST_0);
        mv.visitVarInsn(ISTORE, 4);
        mv.visitJumpInsn(GOTO, l0);
        mv.visitLabel(l4);

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        Label l3 = new Label();
        Label l4 = new Label();
        Label l5 = new Label();
        Label l6 = new Label();
        mv.visitTryCatchBlock(l0, l1, l2, null);
        mv.visitTryCatchBlock(l2, l3, l2, null);
        mv.visitInsn(ICONST_0);
        mv.visitVarInsn(ISTORE, 4);
        mv.visitJumpInsn(GOTO, l0);
        mv.visitLabel(l4);
        mv.visitVarInsn(ASTORE, 3);

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        Label l1 = new Label();
        Label l2 = new Label();
        Label l3 = new Label();
        Label l4 = new Label();
        Label l5 = new Label();
        mv.visitTryCatchBlock(l0, l1, l2, null);
        mv.visitTryCatchBlock(l2, l3, l2, null);
        mv.visitLabel(l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEVIRTUAL, "pkg/JSR1", "forwardJSR", "([I)V");

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        Label l2 = new Label();
        Label l3 = new Label();
        Label l4 = new Label();
        Label l5 = new Label();
        mv.visitTryCatchBlock(l0, l1, l2, null);
        mv.visitTryCatchBlock(l2, l3, l2, null);
        mv.visitLabel(l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEVIRTUAL, "pkg/JSR1", "forwardJSR", "([I)V");
        mv.visitJumpInsn(JSR, l4); // forward JSR, will give forward JSR_W

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