Lua on Steroids - EclipseCon NA 2012
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  • 1. Lua Steroids onCopyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 2. What is Lua all aboutCopyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 3. http://www.lua.org/about.html “Lua is a powerful, fast, lightweight, embeddable scripting language.” Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 4. Rationale Extending C/C++ applications with a configuration / scripting engine Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 5. Rationale Extending C/C++ applications with a configuration / scripting engine  Based on a virtual machine  Can load source code / read char streams  And compile it into portable bytecode Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 6. Rationale Extending C/C++ applications with a configuration / scripting engine  Tiny core (150kB)  Pure ANSI C  Simple C API Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 7. Rationale Extending C/C++ applications with a configuration / scripting engine  DSL building kit  Provides only basic features  And a powerful runtime Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 8. A language gaining momentum Video games  App scripting  World of Warcraft  Adobe Lightroom  Havoc physics  Redis (key-value engine store)  AI scripting Mobile  Embedded  Corona SDK  Brew MP  Moai (Qualcomm)  LÖVE  eLua (Petrobras)  AAF (Sierra Wireless) Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 9. What is missingCopyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 10. IDE supportCopyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 11. http://www.eclipse.org/koneki/ldt/ Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 12. Rationale A tool that follows Lua’s philosophy Providing lots of modern features while remaining easily embeddable in larger systems. Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 13. However… Lua strengths  Dynamic  Embeddable are double-edged swords that make tooling support tedious. Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 14. EditorVS.Dynamiccode Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 15. DebuggerVS.Embeddedapplication Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 16. LDTfor m2m development Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 17. m2m.eclipse.org MQTT broker Wireless gateway Mobile phone Wireless (Zigbee) sensorsCopyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 18. Two Lua applications Embedded  Mobile Aleos Application Corona Framework SDK . Collects Zigbee data on Subscribes to MQTT device’s serial port messages Publishes MQTT messages Displays sensor data with a fancy UI Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 19. What’s NextCopyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 20. LDT Roadmap LDT 0.8 will be in Juno Content-assist (pending CQ)  Beta product here: http://goo.gl/NZgCc Execution environments Next…  Launch configurations (w/ embedded interpreter)  Pre-bundled execution environments Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 21. Big thanks to Eclipse  RSE http://www.eclipse.org/tm/  DLTK http://www.eclipse.org/dltk/ Lua  JNLua http://code.google.com/p/jnlua/  MetaLua http://metalua.luaforge.net/  LDoc http://github.com/stevedonovan/LDoc Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 22. Useful links Lua  Main site http://lua.org  Kepler project http://www.keplerproject.org/ LDT  Koneki http://www.eclipse.org/koneki/  Installation http://download.eclipse.org/koneki/updates  Wiki http://wiki.eclipse.org/Koneki  Forum http://www.eclipse.org/forums/eclipse.koneki Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.
  • 23. Copyright © 2012 Sierra Wireless. All Right reserved. Made available under the Eclipse Public License v1.0.