Package org.jboss.classfilewriter.code

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

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            ca.astore(2); // Method, index, array
            // compare method names
            ca.invokevirtual("java.lang.reflect.Method", "getName", "()Ljava/lang/String;");
            ca.ldc(methodToLoad.getName());
            ca.invokevirtual("java.lang.Object", "equals", "(Ljava/lang/Object;)Z"); // int,index,array
            ca.ifEq(loopBegin);
            // compare return types
            ca.aload(2);
            ca.invokevirtual("java.lang.reflect.Method", "getReturnType", "()Ljava/lang/Class;");
            ca.loadType(DescriptorUtils.makeDescriptor(methodToLoad.getReturnType()));
            ca.invokevirtual("java.lang.Object", "equals", "(Ljava/lang/Object;)Z"); // int,index,array
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            // compare return types
            ca.aload(2);
            ca.invokevirtual("java.lang.reflect.Method", "getReturnType", "()Ljava/lang/Class;");
            ca.loadType(DescriptorUtils.makeDescriptor(methodToLoad.getReturnType()));
            ca.invokevirtual("java.lang.Object", "equals", "(Ljava/lang/Object;)Z"); // int,index,array
            ca.ifEq(loopBegin);
            // load the method parameters
            Class<?>[] parameters = methodToLoad.getParameterTypes();
            ca.aload(2);
            ca.invokevirtual("java.lang.reflect.Method", "getParameterTypes", "()[Ljava/lang/Class;");
            ca.dup();
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                ca.aload(3);
                ca.iconst(i);
                ca.aaload();
                ca.loadType(DescriptorUtils.makeDescriptor(parameters[i]));
                ca.invokevirtual("java.lang.Object", "equals", "(Ljava/lang/Object;)Z"); // int,index,array
                ca.ifEq(loopBegin);
            }
            ca.pop();

            BranchEnd gotoEnd = ca.gotoInstruction(); // we have found the method, goto the pointwhere we write it to a static
                                                      // field
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            ca.astore(2);
            ca.aconstNull();
            ca.astore(3);
            // so here we have the array index on top of the stack, followed by the array
            CodeLocation loopBegin = ca.mark();
            BranchEnd loopEnd = ca.ifeq();
            ca.dup();
            ca.iinc(0, -1);
            ca.iload(0); // load the array index into the stack
            ca.dupX1(); // index, array, index, array
            ca.aaload();
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            ca.astore(2);
            ca.aconstNull();
            ca.astore(3);
            // so here we have the array index on top of the stack, followed by the array
            CodeLocation loopBegin = ca.mark();
            BranchEnd loopEnd = ca.ifeq();
            ca.dup();
            ca.iinc(0, -1);
            ca.iload(0); // load the array index into the stack
            ca.dupX1(); // index, array, index, array
            ca.aaload();
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            ca.astore(2); // Method, index, array
            // compare method names
            ca.invokevirtual("java.lang.reflect.Method", "getName", "()Ljava/lang/String;");
            ca.ldc(methodToLoad.getName());
            ca.invokevirtual("java.lang.Object", "equals", "(Ljava/lang/Object;)Z"); // int,index,array
            ca.ifEq(loopBegin);
            // compare return types
            ca.aload(2);
            ca.invokevirtual("java.lang.reflect.Method", "getReturnType", "()Ljava/lang/Class;");
            ca.loadType(DescriptorUtils.makeDescriptor(methodToLoad.getReturnType()));
            ca.invokevirtual("java.lang.Object", "equals", "(Ljava/lang/Object;)Z"); // int,index,array
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            // compare return types
            ca.aload(2);
            ca.invokevirtual("java.lang.reflect.Method", "getReturnType", "()Ljava/lang/Class;");
            ca.loadType(DescriptorUtils.makeDescriptor(methodToLoad.getReturnType()));
            ca.invokevirtual("java.lang.Object", "equals", "(Ljava/lang/Object;)Z"); // int,index,array
            ca.ifEq(loopBegin);
            // load the method parameters
            Class<?>[] parameters = methodToLoad.getParameterTypes();
            ca.aload(2);
            ca.invokevirtual("java.lang.reflect.Method", "getParameterTypes", "()[Ljava/lang/Class;");
            ca.dup();
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                ca.aload(3);
                ca.iconst(i);
                ca.aaload();
                ca.loadType(DescriptorUtils.makeDescriptor(parameters[i]));
                ca.invokevirtual("java.lang.Object", "equals", "(Ljava/lang/Object;)Z"); // int,index,array
                ca.ifEq(loopBegin);
            }
            ca.pop();

            BranchEnd gotoEnd = ca.gotoInstruction(); // we have found the method, goto the pointwhere we write it to a static
                                                      // field
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