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Allow registering custom language adapters.

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Allows external mods/library jars to provide language adapters for
languages not supported in native Forge.
This commit is contained in:
Arkan Emberwalker 2015-04-11 17:36:16 +01:00 committed by cpw
parent fa5ab52acd
commit 0055973f43
2 changed files with 31 additions and 2 deletions
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21
fml/src/main/java/cpw/mods/fml/common/FMLModContainer.java
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@ -90,9 +90,26 @@ public class FMLModContainer implements ModContainer
this.source = container.getModContainer();
this.candidate = container;
this.descriptor = modDescriptor;
this.modLanguage = (String) modDescriptor.get("modLanguage");
this.languageAdapter = "scala".equals(modLanguage) ? new ILanguageAdapter.ScalaAdapter() : new ILanguageAdapter.JavaAdapter();
this.eventMethods = ArrayListMultimap.create();
this.modLanguage = (String) modDescriptor.get("modLanguage");
if (modDescriptor.get("modLanguageAdapter").equals(""))
{
this.languageAdapter = "scala".equals(modLanguage) ? new ILanguageAdapter.ScalaAdapter() : new ILanguageAdapter.JavaAdapter();
}
else
{
try
{
this.languageAdapter = (ILanguageAdapter)Class.forName((String)modDescriptor.get("modLanguageAdapter"), true, Loader.instance().getModClassLoader()).newInstance();
FMLLog.finer("Using custom language adapter %s (for %s)", this.languageAdapter, this.className);
}
catch (Exception ex)
{
FMLLog.severe("Error constructing custom mod language adapter %s (referenced by %s): %s", modDescriptor.get("modLanguageAdapter"), this.className, ex);
FMLCommonHandler.instance().exitJava(1, true);
}
}
}
private ILanguageAdapter getLanguageAdapter()

12
fml/src/main/java/cpw/mods/fml/common/Mod.java
View file

@ -144,6 +144,18 @@ public @interface Mod
* @return The language the mod is authored in
*/
String modLanguage() default "java";
/**
* The language adapter to be used to load this mod. This overrides the value of modLanguage. The class must have a
* public zero variable constructor and implement {@link ILanguageAdapter} just like the Java and Scala adapters.
*
* A class with an invalid constructor or that doesn't implement {@link ILanguageAdapter} will throw an exception and
* halt loading.
*
* @return The full class name of the language adapter
*/
String modLanguageAdapter() default "";
/**
* NOT YET IMPLEMENTED. </br>
* An optional ASM hook class, that can be used to apply ASM to classes loaded from this mod. It is also given