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This commit is contained in:
peter
2013-06-08 07:26:28 +02:00
parent 8920b8969c
commit bcfa12ac19
1 changed files with 30 additions and 36 deletions
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platform/core-impl/src/com/intellij/psi/impl/source/PsiFileImpl.java
+30 -36
View File
@@ -35,6 +35,7 @@ import com.intellij.openapi.ui.Queryable;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.util.TextRange;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.VirtualFileWithId;
import com.intellij.psi.*;
@@ -259,15 +260,23 @@ public abstract class PsiFileImpl extends ElementBase implements PsiFileEx, PsiF
}
private List<Pair<StubBasedPsiElementBase, CompositeElement>> calcStubAstBindings(final ASTNode root) {
final StubTree stubTree = derefStub();
StubTree stubTree = derefStub();
if (stubTree == null) {
return Collections.emptyList();
}
final Iterator<StubElement<?>> stubs = stubTree.getPlainList().iterator();
stubs.next(); // Skip file stub;
final IElementType contentElementType = getContentElementType();
if (!(contentElementType instanceof IStubFileElementType)) {
final VirtualFile vFile = getVirtualFile();
throw new AssertionError("A stub in a non-stub file '" + vFile + "'; isValid()=" + (vFile != null ? vFile.isValid() : "null") +
" type: " + contentElementType + "; content:<<<\n" +
StringUtil.first(getViewProvider().getContents(), 200, true) +
"\n>>>; stubs=" + ContainerUtil.collect(stubs));
}
final List<Pair<StubBasedPsiElementBase, CompositeElement>> result = ContainerUtil.newArrayList();
final StubBuilder builder = ((IStubFileElementType)getContentElementType()).getBuilder();
final StubBuilder builder = ((IStubFileElementType)contentElementType).getBuilder();
((TreeElement)root).acceptTree(new RecursiveTreeElementWalkingVisitor() {
@Override
@@ -281,13 +290,16 @@ public abstract class PsiFileImpl extends ElementBase implements PsiFileEx, PsiF
IElementType type = node.getElementType();
if (type instanceof IStubElementType && ((IStubElementType)type).shouldCreateStub(node)) {
if (!stubs.hasNext()) {
reportStubAstMismatch("Stub list is less than AST, last AST element: " + node.getElementType() + " " + node, stubTree);
rebuildStub();
throw new AssertionError("Stub list in " + getName() + " has fewer elements than PSI. Last AST element: " +
node.getElementType() + " " + node);
}
final StubElement stub = stubs.next();
if (stub.getStubType() != node.getElementType()) {
reportStubAstMismatch("Stub and PSI element type mismatch in " + getName() + ": stub " + stub + ", AST " +
node.getElementType() + "; " + node, stubTree);
rebuildStub();
throw new AssertionError("Stub and PSI element type mismatch in " + getName() + ": stub " + stub + ", AST " +
node.getElementType() + "; " + node);
}
PsiElement psi = stub.getPsi();
@@ -298,37 +310,9 @@ public abstract class PsiFileImpl extends ElementBase implements PsiFileEx, PsiF
super.visitNode(node);
}
});
if (stubs.hasNext()) {
reportStubAstMismatch("Stub list in " + getName() + " has more elements than PSI", stubTree);
}
return result;
}
private void reportStubAstMismatch(String message, StubTree stubTree) {
rebuildStub();
String msg = message;
msg += "\n file=" + this;
msg += "\n name=" + getName();
msg += "\n stub debugInfo=" + stubTree.getDebugInfo();
FileViewProvider viewProvider = getViewProvider();
msg += "\n viewProvider=" + viewProvider;
msg += "\n viewProvider stamp: " + viewProvider.getModificationStamp();
VirtualFile file = viewProvider.getVirtualFile();
msg += "; file stamp: " + file.getModificationStamp();
msg += "; file modCount: " + file.getModificationCount();
Document document = FileDocumentManager.getInstance().getCachedDocument(file);
if (document != null) {
msg += "\n doc saved: " + !FileDocumentManager.getInstance().isDocumentUnsaved(document);
msg += "; doc stamp: " + document.getModificationStamp();
msg += "; committed: " + PsiDocumentManager.getInstance(getProject()).isCommitted(document);
}
throw new AssertionError(msg);
}
protected FileElement createFileElement(final CharSequence docText) {
final FileElement treeElement;
final TreeElement contentLeaf = createContentLeafElement(docText);
@@ -665,8 +649,6 @@ public abstract class PsiFileImpl extends ElementBase implements PsiFileEx, PsiF
if (derefd != null) return derefd;
if (getTreeElement() != null) return null;
if (!(getContentElementType() instanceof IStubFileElementType)) return null;
final VirtualFile vFile = getVirtualFile();
if (!(vFile instanceof VirtualFileWithId)) return null;
@@ -674,6 +656,19 @@ public abstract class PsiFileImpl extends ElementBase implements PsiFileEx, PsiF
if (!(tree instanceof StubTree)) return null;
StubTree stubHolder = (StubTree)tree;
final IElementType contentElementType = getContentElementType();
if (!(contentElementType instanceof IStubFileElementType)) {
final FileViewProvider viewProvider = getViewProvider();
throw new AssertionError("A stub in a non-stub file '" + vFile +"'; isValid()=" + vFile.isValid() +
"; IndexStamp="+ StubTreeLoader.getInstance().getStubTreeTimestamp(vFile) +
"; Type: " + contentElementType + "; " +
"Psi roots: " + viewProvider.getAllFiles() + "; " +
" StubUpdatingIndex.canHaveStub(vFile)=" + StubTreeLoader.getInstance().canHaveStub(vFile) +
" content:<<<\n"+
StringUtil.first(viewProvider.getContents(),200,true)+
"\n>>>; stubs=" + stubHolder.getPlainList());
}
synchronized (PsiLock.LOCK) {
if (getTreeElement() != null) return null;
@@ -970,7 +965,6 @@ public abstract class PsiFileImpl extends ElementBase implements PsiFileEx, PsiF
StubElement currentStubTree = ((IStubFileElementType)contentElementType).getBuilder().buildStubTree(this);
tree = new StubTree((PsiFileStub)currentStubTree);
tree.setDebugInfo("created in calcStubTree");
try {
TreeUtil.bindStubsToTree(this, tree);
}