IfN Studienarbeit Abschlusspres 18.9.2007

Abstrakte Programmierung mittels Skripting: Untersuchung von geeigneten Implementierungen dynamischer Sprachen für die HSP Vitus Lorenz-Meyer Abschlusspräsentation zur Studienarbeit ,[object Object]

Gliederung des Vortrags ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Motivation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Was macht eine Skriptsprache aus? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Übersicht ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Assembler ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Code Betriebssystem, Plattform Maschinen Code Lexikalische Analyse, Code generation HD CPU OpCode generation, Symbol resolving

Hoch (Systemlevel-)sprachen ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Code (OS) Maschinen Code Lexik., Syntaktische, Semantische Analyse HD CPU Lexing, Parse tree, Symbol table Object Code Linker, Optimizer OS, Plattform Code generation

Virtuelle Maschinen ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Code VM Lexik., Syntakt., Semant. Analalyse HD CPU Lexing, parse tree, symbol table Zwischen Code JIT, Optimizer OS, Plattform Code gen. Abstrakte Hardware- Beschreibung

Dynamische (Skript-) Sprachen ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Code VM Lexik., Syntakt., Semant. Analyse HD CPU Lexing, parse tree, symbol table Optimizer OS, Plattform Code generation

Hochsprachen vs. dynamische Sprachen ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Übersicht ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Die 5 bekanntesten Skriptsprachen ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

5 Skriptsprachen (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],ECMA : European Computer Manufacturers Association

Evaluationsschritte ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Wichtigste Implementierungen ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],JSR : Java Specification Request

Geschwindigkeit ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],n = int(sys.argv[1]) f=open(’/tmp/scratch','wb') for i in xrange(n): f.write(str(i)) f.close() Pseudo-Code des I/O Skripts in Python:

Standardbibliothek, Community ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Syntax ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Auswahl einer Skripting-Engine für die HSP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Auswahl von JavaScript (Rhino)

Fazit, Ausblick ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Zusammenfassung der Ergebnisse ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IfN Studienarbeit Abschlusspres 18.9.2007

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IfN Studienarbeit Abschlusspres 18.9.2007

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