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Cache java file stub for light classes build for decompiled files

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This commit is contained in:
Pavel V. Talanov
2014-12-23 20:08:35 +03:00
parent 007053489c
commit 9164c77a7e
1 changed files with 28 additions and 1 deletions
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idea/idea-analysis/src/org/jetbrains/jet/plugin/caches/resolve/IDELightClassGenerationSupport.java
+28 -1
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@@ -19,6 +19,7 @@ package org.jetbrains.jet.plugin.caches.resolve;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.libraries.LibraryUtil;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.ClassFileViewProvider;
import com.intellij.psi.PsiClass;
@@ -396,7 +397,7 @@ public class IDELightClassGenerationSupport extends LightClassGenerationSupport
@NotNull final JetFile decompiledKotlinFile,
@NotNull VirtualFile virtualFile
) {
final PsiJavaFileStubImpl javaFileStub = (PsiJavaFileStubImpl) createStub(virtualFile);
final PsiJavaFileStubImpl javaFileStub = getOrCreateJavaFileStub(virtualFile);
if (javaFileStub == null) {
return null;
}
@@ -418,6 +419,32 @@ public class IDELightClassGenerationSupport extends LightClassGenerationSupport
return (ClsClassImpl) single(fakeFile.getClasses());
}
private final static Key<CachedJavaStub> cachedJavaStubKey = Key.create("CACHED_JAVA_STUB");
private static class CachedJavaStub {
public CachedJavaStub(long modificationStamp, @NotNull PsiJavaFileStubImpl javaFileStub) {
this.modificationStamp = modificationStamp;
this.javaFileStub = javaFileStub;
}
public long modificationStamp;
public PsiJavaFileStubImpl javaFileStub;
}
@Nullable
private static PsiJavaFileStubImpl getOrCreateJavaFileStub(@NotNull VirtualFile virtualFile) {
CachedJavaStub cachedJavaStub = virtualFile.getUserData(cachedJavaStubKey);
long fileModificationStamp = virtualFile.getModificationStamp();
if (cachedJavaStub != null && cachedJavaStub.modificationStamp == fileModificationStamp) {
return cachedJavaStub.javaFileStub;
}
PsiJavaFileStubImpl stub = (PsiJavaFileStubImpl) createStub(virtualFile);
if (stub != null) {
virtualFile.putUserData(cachedJavaStubKey, new CachedJavaStub(fileModificationStamp, stub));
}
return stub;
}
@Nullable
private static PsiJavaFileStub createStub(@NotNull VirtualFile file) {
try {