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Sample code used in LDT to generate AST [message #1219040]

Sat, 30 November 2013 03:14

coco peng

Messages: 2
Registered: November 2013

Junior Member

Hi
I have just downloaded LDT and want to develop a lua obfuscator in java based Eclipse.
How can I use LDT to parse a lua source file in java ? I want to create the AST.Is there any sample code I can learn from?

Thanks in advance.

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Re: Sample code used in LDT to generate AST [message #1219222 is a reply to message #1219040]

Mon, 02 December 2013 17:06

Marc Aubry

Messages: 86
Registered: August 2012

Member

Hi coco peng,

There are no ready to use solution to use build an Lua AST in java, but here some pointors:

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

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

Here an example on how we call Metalua using JNLua in LDT:
https://github.com/eclipse/koneki.ldt/blob/master/plugins/org.eclipse.koneki.ldt.metalua/src/org/eclipse/koneki/ldt/metalua/AbstractMetaLuaModule.java
The super class: https://github.com/eclipse/koneki.ldt/blob/master/plugins/com.naef.jnlua-lua51/src/com/naef/jnlua/eclipse/AbstractLuaModule.java

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