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Moved metamodel util into its own Metamodel class #226
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138 changes: 138 additions & 0 deletions
138
runtime/com/redhat/ceylon/compiler/java/runtime/metamodel/Metamodel.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| package com.redhat.ceylon.compiler.java.runtime.metamodel; | ||
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| import java.util.HashMap; | ||
| import java.util.Map; | ||
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| import ceylon.language.Null; | ||
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| import com.redhat.ceylon.cmr.api.ArtifactResult; | ||
| import com.redhat.ceylon.cmr.api.Logger; | ||
| import com.redhat.ceylon.cmr.api.RepositoryManager; | ||
| import com.redhat.ceylon.cmr.api.RepositoryManagerBuilder; | ||
| import com.redhat.ceylon.compiler.java.runtime.model.ReifiedType; | ||
| import com.redhat.ceylon.compiler.java.runtime.model.RuntimeModuleManager; | ||
| import com.redhat.ceylon.compiler.java.runtime.model.TypeDescriptor; | ||
| import com.redhat.ceylon.compiler.loader.impl.reflect.mirror.ReflectionClass; | ||
| import com.redhat.ceylon.compiler.loader.model.LazyClass; | ||
| import com.redhat.ceylon.compiler.loader.model.LazyInterface; | ||
| import com.redhat.ceylon.compiler.typechecker.context.Context; | ||
| import com.redhat.ceylon.compiler.typechecker.io.VFS; | ||
| import com.redhat.ceylon.compiler.typechecker.model.ProducedType; | ||
| import com.redhat.ceylon.compiler.typechecker.model.TypeDeclaration; | ||
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| public class Metamodel { | ||
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| private static RuntimeModuleManager moduleManager; | ||
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| static{ | ||
| resetModuleManager(); | ||
| } | ||
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| // FIXME: this will need better thinking in terms of memory usage | ||
| private static Map<com.redhat.ceylon.compiler.typechecker.model.ClassOrInterface, com.redhat.ceylon.compiler.java.runtime.metamodel.ClassOrInterface> typeCheckModelToRuntimeModel | ||
| = new HashMap<com.redhat.ceylon.compiler.typechecker.model.ClassOrInterface, com.redhat.ceylon.compiler.java.runtime.metamodel.ClassOrInterface>(); | ||
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| public static void loadModule(String name, String version, ArtifactResult result, ClassLoader classLoader){ | ||
| moduleManager.loadModule(name, version, result, classLoader); | ||
| } | ||
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| public static void resetModuleManager() { | ||
| RepositoryManagerBuilder builder = new RepositoryManagerBuilder(new Logger(){ | ||
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| @Override | ||
| public void error(String str) { | ||
| System.err.println("ERROR: "+str); | ||
| } | ||
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| @Override | ||
| public void warning(String str) { | ||
| System.err.println("WARN: "+str); | ||
| } | ||
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| @Override | ||
| public void info(String str) { | ||
| System.err.println("INFO: "+str); | ||
| } | ||
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| @Override | ||
| public void debug(String str) { | ||
| System.err.println("DEBUG: "+str); | ||
| } | ||
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| }); | ||
| RepositoryManager repoManager = builder.buildRepository(); | ||
| VFS vfs = new VFS(); | ||
| Context context = new Context(repoManager, vfs); | ||
| moduleManager = new RuntimeModuleManager(context); | ||
| moduleManager.initCoreModules(); | ||
| moduleManager.prepareForTypeChecking(); | ||
| } | ||
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| public static TypeDescriptor getTypeDescriptor(Object instance) { | ||
| if(instance == null) | ||
| return Null.$TypeDescriptor; | ||
| else if(instance instanceof ReifiedType) | ||
| return((ReifiedType) instance).$getType(); | ||
| else | ||
| return null; // FIXME: interop? | ||
| } | ||
| public static boolean isReified(java.lang.Object o, TypeDescriptor type){ | ||
| TypeDescriptor instanceType = getTypeDescriptor(o); | ||
| if(instanceType == null) | ||
| return false; // FIXME: interop? | ||
| return instanceType.toProducedType(moduleManager).isSubtypeOf(type.toProducedType(moduleManager)); | ||
| } | ||
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| public static ProducedType getProducedType(Object instance) { | ||
| TypeDescriptor instanceType = getTypeDescriptor(instance); | ||
| if(instanceType == null) | ||
| throw new RuntimeException("Metamodel not yet supported for Java types"); | ||
| return instanceType.toProducedType(moduleManager); | ||
| } | ||
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| public static ceylon.language.metamodel.ProducedType getMetamodel(TypeDescriptor typeDescriptor) { | ||
| if(typeDescriptor == null) | ||
| throw new RuntimeException("Metamodel not yet supported for Java types"); | ||
| ProducedType pt = typeDescriptor.toProducedType(moduleManager); | ||
| return getMetamodel(pt); | ||
| } | ||
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| public static com.redhat.ceylon.compiler.java.runtime.metamodel.ClassOrInterface getOrCreateMetamodel(com.redhat.ceylon.compiler.typechecker.model.ClassOrInterface declaration){ | ||
| synchronized(typeCheckModelToRuntimeModel){ | ||
| com.redhat.ceylon.compiler.java.runtime.metamodel.ClassOrInterface ret = typeCheckModelToRuntimeModel.get(declaration); | ||
| if(ret == null){ | ||
| if(declaration instanceof com.redhat.ceylon.compiler.typechecker.model.Class){ | ||
| ret = new com.redhat.ceylon.compiler.java.runtime.metamodel.Class((com.redhat.ceylon.compiler.typechecker.model.Class)declaration); | ||
| }else if(declaration instanceof com.redhat.ceylon.compiler.typechecker.model.Interface){ | ||
| ret = new com.redhat.ceylon.compiler.java.runtime.metamodel.Interface((com.redhat.ceylon.compiler.typechecker.model.Interface)declaration); | ||
| } | ||
| typeCheckModelToRuntimeModel.put(declaration, ret); | ||
| } | ||
| return ret; | ||
| } | ||
| } | ||
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| public static ceylon.language.metamodel.ProducedType getMetamodel(ProducedType pt) { | ||
| TypeDeclaration declaration = pt.getDeclaration(); | ||
| if(declaration instanceof com.redhat.ceylon.compiler.typechecker.model.Class){ | ||
| return new com.redhat.ceylon.compiler.java.runtime.metamodel.ClassType(pt); | ||
| } | ||
| if(declaration instanceof com.redhat.ceylon.compiler.typechecker.model.Interface){ | ||
| return new com.redhat.ceylon.compiler.java.runtime.metamodel.InterfaceType(pt); | ||
| } | ||
| throw new RuntimeException("Declaration type not supported yet: "+declaration); | ||
| } | ||
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| public static TypeDescriptor getTypeDescriptorForDeclaration(com.redhat.ceylon.compiler.typechecker.model.Declaration declaration) { | ||
| if(declaration instanceof LazyClass){ | ||
| ReflectionClass classMirror = (ReflectionClass) ((LazyClass) declaration).classMirror; | ||
| return TypeDescriptor.klass(classMirror.klass); | ||
| } | ||
| if(declaration instanceof LazyInterface){ | ||
| ReflectionClass classMirror = (ReflectionClass) ((LazyInterface) declaration).classMirror; | ||
| return TypeDescriptor.klass(classMirror.klass); | ||
| } | ||
| throw new RuntimeException("Unsupported declaration type: " + declaration); | ||
| } | ||
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| } |