Onward! 2015
Sun 25 - Fri 30 October 2015 Pittsburgh, Pennsylvania, United States
co-located with SPLASH 2015
Thu 29 Oct 2015 17:06 - 17:30 at Grand Station 3-5 - Session the Third Chair(s): Lindsey Kuper

Bootstrapping is well known in the context of compilers, where a bootstrapped compiler can compile its own source code. Bootstrapping is a beneficial engineering practice be- cause it raises the level of abstraction of a program making it easier to understand, optimize, evolve, etc. Bootstrapping a reflective object-oriented language is however more challenging, as we need also to initialize the runtime of the language with its initial objects and classes besides writing its compiler. In this paper, we present a novel bootstrapping infrastructure for Pharo-like languages that allows us to easily extend and modify such languages. Our bootstrapping process relies on a first-class runtime. A first-class runtime is a meta-object that represents a program’s runtime and provides a MOP to easily load code into it and manipulate its objects. It decouples the virtual machine (VM) and language concerns by introducing a clear VM-language interface. Using this process, we show how we succeeded to bootstrap a Smalltalk-based language named Candle and then extend it with traits in less than 250 lines of high-level Smalltalk code. We also show how we can bootstrap with minimal effort two other languages (Pharo and MetaTalk) with similar execution semantics but different object models.

Thu 29 Oct

15:30 - 17:30: Onward! Papers - Session the Third at Grand Station 3-5
Chair(s): Lindsey KuperIntel Labs
onward2015-papers15:30 - 15:54
Shaon BarmanUC Berkeley, Rastislav BodikUniversity of Washington, USA, Satish ChandraSamsung Research America, Emina TorlakUniversity of Washington, Arka BhattacharyaUC Berkeley, David CullerUC Berkeley
onward2015-papers15:54 - 16:18
Sylvia GreweTU Darmstadt, Sebastian ErdwegTU Darmstadt, Germany, Pascal WittmannTU Darmstadt, Mira MeziniTU Darmstadt
Link to publication
onward2015-papers16:18 - 16:42
Ali AfroozehCentrum Wiskunde & Informatica, Anastasia IzmaylovaCentrum Wiskunde & Informatica
Link to publication DOI Pre-print Media Attached
onward2015-papers16:42 - 17:06
Aleksandar ProkopecEPFL, Martin OderskyEPFL, Switzerland
onward2015-papers17:06 - 17:30
Guillermo PolitoInria, Stéphane DucasseINRIA, France, Noury BouraqadiMines Douai, Luc FabresseMines Douai