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Scala Macros: Let Our Powers Combine!

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Yin-yang: concealing the deep embedding of DSLs

Martin Odersky, Christoph Koch, Amir Shaikhha, Sandro Stucki, Vojin Jovanovic, Vladimir Nikolaev

Deeply embedded domain-specific languages (EDSLs) intrinsically compromise programmer experience for improved program performance. Shallow EDSLs complement them by trading program performance for good programmer experience. We present Yin-Yang, a framework ...

ACM Press2014

Improving Human-Compiler Interaction Through Customizable Type Feedback

Martin Odersky, Hubert Plociniczak

Type errors reported by compilers can sometimes be cryptic, or difficult to understand. In this paper, we propose a type debugging framework that exposes a high-level representation of the typechecking decision-making process that users normally do not hav ...

2014

Hygiene for Scala

Denys Shabalin

The main contribution of this work is a formal model of hygienic name resolution and macro system that is flexible enough to provide missing safety to quasiquotes. This makes it possible to combine the best of two worlds: we get reasonable safety guarantee ...

2014

Miniboxing: Improving the Speed to Code Size Tradeoff in Parametric Polymorphism Translations

Martin Odersky, Vlad Ureche, Cristian Talau

Parametric polymorphism enables code reuse and type safety. Underneath the uniform interface exposed to programmers, however, its low level implementation has to cope with inherently non-uniform data: value types of different sizes and semantics (bytes, in ...

2013

An Embedded Query Language in Scala

Amir Shaikhha

In this thesis we address the problem of integrating general purpose programming languages with relational databases. An approach to solving this problem is using raw strings to represent SQL statements. This approach leads to runtime errors and security v ...

2013

Quasiquotes for Scala

Martin Odersky, Eugene Burmako, Denys Shabalin

We introduce quasiquotes for the Scala programming language, which solve the problem of manual tree construction and deconstruction. Included case studies show that quasiquotes indeed are easier to work with than existing tools for tree construction. When ...

2013

Scala Macros, a Technical Report

Martin Odersky, Eugene Burmako

Metaprogramming is a powerful technique of software development, which allows to automate program generation. Applications of metaprogramming range from improving expressiveness of a programming language via deep embedding of domain-specific languages to b ...

2012

On Effect Analysis for Programs with Callbacks

Viktor Kuncak, Etienne Kneuss, Philippe Paul Henri Suter

We introduce a precise interprocedural effect analysis for programs with mutable state, dynamic object allocation, and dynamic dispatch. Our analysis is precise even in the presence of dynamic dispatch where the context-insensitive estimate on the number o ...

2012

Relative Effect Declarations for Lightweight Effect-Polymorphism

Martin Odersky, Lukas Rytz

Type-and-effect systems are a well-studied approach for reasoning about the computational behavior of programs. A major roadblock in adopting effect systems in popular languages is the tradeoff between expressiveness and verbosity. In this technical report ...

2012

Embedded Domain-Specific Languages using Libraries and Dynamic Metaprogramming

Gilles Dubochet

Domain-specific programming is bound to play a central role in improving the productivity of writing software. This is because modern, intricate, general-purpose abstractions are rarely applicable directly to everyday programming. However, such abstraction ...

EPFL2011