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On designing safe and flexible embedded DSLs with java 5

SCIENCE OF COMPUTER programming 2011年第11期76卷 970-991页

作者： Kabanov, Jevgeni Hunger, Michael Raudjaerv, Rein Univ Tartu Dept Comp Sci Tartu Estonia

Although embedded DSLs are widely used in both functional and dynamic languages they are yet to be widely accepted in the java community. the best available examples are projects like jMock and Hibernate Criteria Query. In this paper we introduce the design of three novel practical embedded DSLs that we designed to showcase the power of java language and specifically the changes introduced in java 5. One of those DSLs is fully implemented as an open source project and is gathering momentum in the community. We proceed to discuss the approaches that allow designing safe and flexible DSLs by extracting generic patterns where possible and describing more specific idioms where necessary. It is our goal that this paper would serve as a starting point for someone designing an embedded DSL that takes full advantage of the java 5 features. (C) 2010 Elsevier B.V. All rights reserved.

关键词： Communities digital subscriber lines java programming language embedding FUNCTIONALS Safes FLEXIBLE

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Comprehensive aspect weaving for java

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SCIENCE OF COMPUTER programming 2011年第11期76卷 1015-1036页

作者： Villazon, Alex Binder, Walter Moret, Philippe Ansaloni, Danilo Univ Lugano Fac Informat CH-6900 Lugano Switzerland

Aspect-oriented programming (AOP) has been successfully applied to application code thanks to techniques such as java bytecode instrumentation. Unfortunately, with existing AOP frameworks for java such as AspectJ, aspects cannot be woven into the standard java class library. this restriction is particularly unfortunate for aspects that would benefit from comprehensive aspect weaving with complete method coverage, such as profiling or debugging aspects. In this article we present MAJOR, a new tool for comprehensive aspect weaving, which ensures that aspects are woven into all classes loaded in a java Virtual Machine, including those in the standard java class library. MAJOR includes the pluggable module CARAJillo, which supports efficient access to a complete and customizable calling context representation. We validate our approach with three case studies. Firstly, we weave existing profiling aspects with MAJOR which otherwise would generate incomplete profiles. Secondly, we introduce an aspect for memory leak detection that also benefits from comprehensive weaving. thirdly, we present an aspect subsuming the functionality of ReCrash, an existing tool based on low-level bytecode instrumentation techniques that generates unit tests to reproduce program failures. Our aspect-based tools are concisely implemented in a few lines of code, and leverage MAJOR and CARAJillo for comprehensive aspect weaving and for efficient access to calling context information. (C) 2010 Elsevier B.V. All rights reserved.

关键词： Aspect-oriented programming Aspect weaving Bytecode instrumentation Profiling Debugging Detecting memory leaks Recreating crashing conditions java Virtual Machine

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Comprehensive aspect weaving for java

Comprehensive aspect weaving for Java

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6th international conference on the principles and practice of programming in java (pppj 2008)

作者： Villazon, Alex Binder, Walter Moret, Philippe Ansaloni, Danilo Univ Lugano Fac Informat CH-6900 Lugano Switzerland

关键词： Aspect-oriented programming Aspect weaving Bytecode instrumentation Profiling Debugging Detecting memory leaks Recreating crashing conditions java Virtual Machine

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principles and practice of programming in java - Proceedings of the 6th international conference, pppj 2008

Principles and Practice of Programming in Java - Proceedings...

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6th international conference on principles and practice of programming in java, pppj 2008

ISBN: (纸本)9781605582238

the proceedings contain 19 papers. the topics discussed include: the javaFest: a collaborative learning technique for java programming courses;an experimental environment for teaching java security;patterns and traceability in teaching software architecture;a framework for command processing in java/Swing programs based on the MVC pattern;the PIM: an innovative robot coordination model based on java thread migration;self-configuring object-to-relational mapping queries;portable execution of legacy binaries on the java virtual machine;a lazy developer approach: building a JVM with third party software;speculative improvements to verifiable bounds check elimination;constraint based optimization of stationary fields;optimized strings for java HotSpot™ virtual machine;and SlimVM: optimistic partial program loading for connected embedded java virtual machines.

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principles and practice of programming in java - Proceedings of the 6th international conference, pppj 2008: Message from the Editors

Principles and Practice of Programming in Java - Proceedings...

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principles and practice of programming in java - Proceedings of the 6th international conference, pppj 2008 2008年 iii页

作者： Veiga, Luís Amaral, Vasco Horspool, Nigel Cabri, Giacomo GSD INESC-ID Lisboa Universidade Técnica de Lisboa Portugal DEI Instituto Superior Técnico Universidade Técnica de Lisboa Portugal CITI / Departamento de Informática Faculdade de Ciências e Tecnologia Universidade Nova de Lisboa Portugal University of Victoria Canada University of Modena and Reggio Emilia Italy

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Virtual reuse distance analysis of SPECjvm2008 data locality 09

Virtual reuse distance analysis of SPECjvm2008 data locality

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7th international conference on principles and practice of programming in java, pppj 2009

作者： Gu, Xiaoming Li, Xiao-Feng Cheng, Buqi Huang, Eric Intel China Research Center China

ISBN: (纸本)9781605585987

Reuse distance analysis has been proved promising in evaluating and predicting data locality for programs written in Fortran or C/C++. But its e ect has not been examined for applications in managed runtime environments, where there is no concept of memory address. For this reason, traditional reuse distance analysis based on memory addresses is not directly applicable to these applications. this paper presents the Virtual Reuse Distance Analysis (ViRDA), which resolves the difficulties associated with runtime environments and provides insights into the high-level locality in dynamic applications. ViRDA addresses the problem caused by managed runtime artifacts, garbage collection in particular, by using virtual data identities, obtained through a standard profiling interface, to capture inherent data locality. the effectiveness of ViRDA is evaluated using a subset of the SPECjvm2008 benchmark suite. the new analysis reveals the reuse distance signatures of these programs and helps to explain the cause of excessive cache misses. It also predicts locality for large inputs based on training analysis of several small inputs. the prediction error is no more than 6% for the 4 scimark workloads. Copyright 2009 ACM.

关键词： C++ (programming language)

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Aspect weaving in standard java class libraries 08

Aspect weaving in standard Java class libraries

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6th international conference on principles and practice of programming in java, pppj 2008

作者： Villazón, Alex Binder, Walter Moret, Philippe Faculty of Informatics University of Lugano CH-6900 Lugano Switzerland

ISBN: (纸本)9781605582238

Aspect-oriented programming (AOP) has been successfully applied to application code thanks to techniques such as java bytecode instrumentation. Unfortunately, with current technology, such as AspectJ, aspects cannot be woven into standard java class libraries. this restriction is particularly unfortunate for aspects that would benefit from a complete bytecode coverage, such as profiling or debugging aspects. In this paper we present an adaptation of the popular AspectJ weaver that is able to weave aspects also into standard java class libraries. We evaluate our approach with existing profiling aspects, which now cover all bytecode executing in the virtual machine. In addition, we present a new aspect for memory leak detection that also benefits from our approach. © 2008 ACM.

关键词： Aspect oriented programming

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the javaFest: A collaborative learning technique for java programming courses 08

The JavaFest: A collaborative learning technique for Java pr...

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6th international conference on principles and practice of programming in java, pppj 2008

作者： Hauswirth, Matthias Zaparanuks, Dmitrijs Malekpour, Amirhossein Keikha, Mostafa Faculty of Informatics University of Lugano Lugano Switzerland

ISBN: (纸本)9781605582238

Learning to create well-designed and robust java programs requires, besides a good understanding of the language, a significant amount of practice. In this paper we present the javaFest, a collaborative learning technique for teaching java to beginning programmers. A javaFest is a group exercise that instructors can add to their repertoire of teaching techniques. It provides an opportunity for students to practice programming in a motivating but non-threatening environment, and to learn from the experience of their peers. Moreover, a javaFest allows the instructor to gain insight into the current standing of the students in her class. We describe the concept of a javaFest and present three case studies in the form of three concrete javaFests we developed and evaluated in our own object-oriented programming course. the general idea of a javaFest, and the three specific examples we describe and evaluate, can easily be adopted to enhance any java programming course. © 2008 ACM.

关键词： Object oriented programming

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A framework for command processing in java/Swing programs based on the MVC pattern 08

A framework for command processing in Java/Swing programs ba...

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6th international conference on principles and practice of programming in java, pppj 2008

作者： Naderlinger, Andreas Templ, Josef C. Doppler Laboratory Embedded Software Systems University of Salzburg Jakob-Haringer-Str. 2 5020 Salzburg Austria

ISBN: (纸本)9781605582238

We present a framework for command processing in java/Swing programs based on the model-view-controller (MVC) pattern. In addition to standard approaches our framework supports (1) centralized exception handling, (2) premature command termination, (3) pre- and postprocessing of commands, (4) undo/redo based on event objects and model listeners, and (5) generic undo/redo commands. the framework has been applied successfully in a number of graphical editors as part of a tool chain for real time programming. It proved to increase the quality of the software by eliminating local exception handlers and by confining the impact of undo/redo to a small add-on to the model part of the application. © 2008 ACM.

关键词： java programming language

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A trait based re-engineering technique for java hierarchies 08

A trait based re-engineering technique for Java hierarchies

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6th international conference on principles and practice of programming in java, pppj 2008

作者： Bettini, Lorenzo Bono, Viviana Naddeo, Marco Dipartimento di Informatica Universit di Torino Italy

ISBN: (纸本)9781605582238

Traits are pure behavior components introduced in the Smalltalk community in order to integrate the traditional class inheritance with a composition mechanism: a class is composed by traits and inherits from superclasses. this offers the advantage of promoting code reuse. In this paper, we tackle the problem of re-engineering a java hierarchy into traits, by adapting to a java setting a methodology developed by Lienhard, Ducasse, and Arévalo for a Smalltalk setting, based on Formal Concept Analysis. We illustrate the approach by applying it to the java input stream library. We also obtain two by-products: (i) we identify clearly some workarounds that programmers must exploit in order to overcome some of the limitations of java single inheritance;(ii) we single out some features a java with traits might include, as none of the proposals in the literature in this sense has taken the lead yet. © 2008 ACM.

关键词： java programming language

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