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Metalua integration with LDT [message #1224946]

Sat, 28 December 2013 07:40

Paul K is currently offline

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Messages: 2
Registered: December 2013

Junior Member

Hi All,

I have a quick question on Code analysis and Completion Enhancements. I've been working on similar changes for ZeroBrane Studio Lua IDE and am interested in the code that integrates metalua with the rest of the functionality that provides code analysis and completion. Could someone give me pointers to the integration code that provides this functionality? Thank you.

Paul.

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Re: Metalua integration with LDT [message #1228175 is a reply to message #1224946]

Mon, 06 January 2014 15:27

Simon Bernard is currently offline

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Messages: 341
Registered: July 2009

Senior Member

Hi,

Currently we use metalua to build a model of a lua file.
lua file = (metalua) => ast => (ldt models builder) => models

To call lua files from a java code, we use JNLua
project: http://code.google.com/p/jnlua/

The ast is created using metalua:
documentation : https://github.com/fab13n/metalua/blob/master/doc/manual/metalua-manual.pdf
source code : http://git.eclipse.org/c/koneki/org.eclipse.koneki.metalua.git/

Here an example of how we use metalua from Lua in LDT:
https://github.com/eclipse/koneki.ldt/blob/master/libraries/luaformatter/luaformatter.lua

Here an example on how we call metalua using JNLua in LDT:
http://git.eclipse.org/c/koneki/org.eclipse.koneki.ldt.git/tree/plugins/org.eclipse.koneki.ldt.metalua/src/org/eclipse/koneki/ldt/metalua/AbstractMetaLuaModule.java
The super class: http://git.eclipse.org/c/koneki/org.eclipse.koneki.ldt.git/tree/plugins/com.naef.jnlua-lua51/src/com/naef/jnlua/eclipse/AbstractLuaModule.java

Some discutions about the model here (which is not exactly up to date) :
https://wiki.eclipse.org/Koneki/LDT/Developer_Area/User_Assistance
https://wiki.eclipse.org/Koneki/LDT/Developer_Area/Lua_API_Model_2
https://wiki.eclipse.org/Koneki/LDT/Developer_Area/Lua_Comment_Model
https://wiki.eclipse.org/Koneki/LDT/Developer_Area/Lua_Internal_Model

Here the code used to create models :
http://git.eclipse.org/c/koneki/org.eclipse.koneki.ldt.git/tree/libraries/modelsbuilder/models

The type resolution for autocompletion is implemented here :
http://git.eclipse.org/c/koneki/org.eclipse.koneki.ldt.git/tree/plugins/org.eclipse.koneki.ldt/src/org/eclipse/koneki/ldt/core/internal/ast/models/LuaASTUtils.java
http://git.eclipse.org/c/koneki/org.eclipse.koneki.ldt.git/tree/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/completion/LuaCompletionEngine.java

Maybe you will not really reuse our code but it could be nice if you support the documentation syntax.
Do not hesitate to give us feedback about it Smile

Smile

[Updated on: Tue, 07 January 2014 09:52]

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Re: Metalua integration with LDT [message #1228211 is a reply to message #1228175]

Mon, 06 January 2014 17:18

Paul K is currently offline

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Messages: 2
Registered: December 2013

Junior Member

Hi Simon,

Very useful; thank you for all the details! This is just what I was looking for. One small correction: one of the URLs returns 404 because of the different capitalization; this is the right one to use (removing https:// as I can't post external links yet): github.com/eclipse/koneki.ldt/blob/master/plugins/org.eclipse.koneki.ldt.metalua/src/org/eclipse/koneki/ldt/metalua/AbstractMetaLuaModule.java.

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Re: Metalua integration with LDT [message #1228467 is a reply to message #1228211]

Tue, 07 January 2014 09:52

Simon Bernard is currently offline

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Messages: 341
Registered: July 2009

Senior Member

I fixed this. Smile

Smile

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