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Code Issues Wiki Activity

Remove strange fall-back behavior of source hover, bug 281851.

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This commit is contained in:
Markus Schorn 2009-06-29 15:22:18 +00:00
parent cd9b969deb
commit f8a0d51a32
2 changed files with 2 additions and 56 deletions
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2
core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/typehierarchy/CppTypeHierarchyTest.java
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@ -846,7 +846,7 @@ public class CppTypeHierarchyTest extends TypeHierarchyBaseTest {
// T field1;
// T method1();
// };
public void _testTemplatesNoInheritance() throws Exception {
public void testTemplatesNoInheritance() throws Exception {
String content= getContentsForTest(1)[0].toString();
IFile file= createFile(getProject(), "simpleTemplate.cpp", content);
waitForIndexer(fIndex, file, INDEXER_WAIT_TIME);

56
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/c/hover/CSourceHover.java
View file

@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 2002, 2008 QNX Software Systems and others.
* Copyright (c) 2002, 2009 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
@ -75,10 +75,7 @@ import org.eclipse.cdt.core.dom.ast.gnu.c.ICASTKnRFunctionDeclarator;
import org.eclipse.cdt.core.index.IIndex;
import org.eclipse.cdt.core.index.IIndexName;
import org.eclipse.cdt.core.model.CModelException;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.ILanguage;
import org.eclipse.cdt.core.model.ISourceRange;
import org.eclipse.cdt.core.model.ISourceReference;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.core.model.IWorkingCopy;
import org.eclipse.cdt.core.parser.KeywordSetKey;
@ -645,13 +642,6 @@ public class CSourceHover extends AbstractCEditorTextHover {
// Try with the indexer
source= searchInIndex(copy, hoverRegion);
if (source == null) {
// Try with CModel
ICElement curr = copy.getElement(expression);
if (curr != null) {
source= getSourceForCElement(textViewer.getDocument(), curr);
}
}
if (source == null || source.trim().length() == 0)
return null;
@ -673,55 +663,11 @@ public class CSourceHover extends AbstractCEditorTextHover {
return source;
} catch (BadLocationException e) {
} catch (CModelException e) {
}
}
return null;
}
/**
* Return the source for the given element including the preceding comment.
*
* @param doc the document of the current editor
* @param cElement the element to compute the source from
* @return the source or <code>null</code>
* @throws CModelException
* @throws BadLocationException
*/
private static String getSourceForCElement(IDocument doc, ICElement cElement) throws CModelException, BadLocationException {
if (!(cElement instanceof ISourceReference)) {
return null;
}
ISourceRange sourceRange= ((ISourceReference)cElement).getSourceRange();
int sourceStart= sourceRange.getStartPos();
int sourceEnd= sourceStart + sourceRange.getLength();
CHeuristicScanner scanner= new CHeuristicScanner(doc);
int commentBound= scanner.scanBackward(sourceStart, CHeuristicScanner.UNBOUND, new char[] { '{', '}', ';' });
if (commentBound == CHeuristicScanner.NOT_FOUND) {
commentBound= -1;
}
int commentStart= searchCommentBackward(doc, sourceStart, commentBound);
if (commentStart >= 0) {
sourceStart= commentStart;
} else {
sourceStart= doc.getLineInformationOfOffset(sourceStart).getOffset();
}
// expand region to include whole line if rest is comment
IRegion lineRegion= doc.getLineInformationOfOffset(sourceEnd);
int lineEnd= lineRegion.getOffset() + lineRegion.getLength();
int nextNonWS= scanner.findNonWhitespaceForwardInAnyPartition(sourceEnd + 1, lineEnd);
if (nextNonWS != CHeuristicScanner.NOT_FOUND) {
String contentType= TextUtilities.getContentType(doc, ICPartitions.C_PARTITIONING, nextNonWS, false);
if (ICPartitions.C_MULTI_LINE_COMMENT.equals(contentType)
|| ICPartitions.C_MULTI_LINE_DOC_COMMENT.equals(contentType)
|| ICPartitions.C_SINGLE_LINE_COMMENT.equals(contentType)
|| ICPartitions.C_SINGLE_LINE_DOC_COMMENT.equals(contentType)) {
sourceEnd= lineEnd;
}
}
return doc.get(sourceStart, sourceEnd - sourceStart);
}
/**
* Searches the start of the comment preceding the given source offset.
* Continuous line comments are considered as one comment until a block