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Enable refactoring off macro in ifndef-statements, bug 248007.

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This commit is contained in:
Markus Schorn 2008-10-03 13:06:27 +00:00
parent 934dd607b6
commit 86e44ca5fb
1 changed files with 59 additions and 2 deletions
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61
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/rename/ASTManager.java
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@ -44,7 +44,12 @@ import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNamedTypeSpecifier;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTNodeLocation;
import org.eclipse.cdt.core.dom.ast.IASTNodeSelector;
import org.eclipse.cdt.core.dom.ast.IASTPreprocessorElifStatement;
import org.eclipse.cdt.core.dom.ast.IASTPreprocessorFunctionStyleMacroDefinition;
import org.eclipse.cdt.core.dom.ast.IASTPreprocessorIfStatement;
import org.eclipse.cdt.core.dom.ast.IASTPreprocessorIfdefStatement;
import org.eclipse.cdt.core.dom.ast.IASTPreprocessorIfndefStatement;
import org.eclipse.cdt.core.dom.ast.IASTPreprocessorMacroDefinition;
import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
@ -827,12 +832,39 @@ public class ASTManager {
IASTTranslationUnit tu= getTranslationUnit(index, fArgument.getSourceFile(), true, status);
pm.worked(1);
if (tu != null) {
IASTName name= tu.getNodeSelector(tu.getFilePath()).findEnclosingName(fArgument.getOffset(), fArgument.getLength());
final IASTNodeSelector nodeSelector = tu.getNodeSelector(tu.getFilePath());
final int offset = fArgument.getOffset();
final int length = fArgument.getLength();
IASTName name= nodeSelector.findEnclosingName(offset, length);
if (name != null) {
if (name instanceof ICPPASTQualifiedName) {
IASTName[] na= ((ICPPASTQualifiedName) name).getNames();
name= na[na.length-1];
}
} else {
IASTNode node= nodeSelector.findEnclosingNode(offset, length);
if (node instanceof IASTPreprocessorMacroDefinition ||
node instanceof IASTPreprocessorElifStatement ||
node instanceof IASTPreprocessorIfdefStatement ||
node instanceof IASTPreprocessorIfndefStatement ||
node instanceof IASTPreprocessorIfStatement) {
final IASTFileLocation fileLocation = node.getFileLocation();
if (fileLocation != null) {
final String ident= extractIdentifier(node.getRawSignature(), offset - fileLocation.getNodeOffset(), length);
if (ident != null) {
IASTPreprocessorMacroDefinition[] mdefs= tu.getMacroDefinitions();
for (IASTPreprocessorMacroDefinition mdef : mdefs) {
IASTName n= mdef.getName();
if (ident.equals(n.toString())) {
name= n;
break;
}
}
}
}
}
}
if (name != null) {
fArgument.setName(name);
IBinding binding= name.resolveBinding();
if (binding != null) {
@ -850,7 +882,32 @@ public class ASTManager {
pm.done();
}
private IASTTranslationUnit getTranslationUnit(IIndex index, IFile sourceFile,
private String extractIdentifier(String rawSignature, int offset, int length) {
char[] sig= rawSignature.toCharArray();
int end= offset+length;
if (offset < 0 || end > sig.length)
return null;
for (int i = offset; i < end; i++) {
if (!Character.isJavaIdentifierPart(sig[i]))
return null;
}
while(offset > 0) {
if (Character.isJavaIdentifierPart(sig[offset-1]))
offset--;
else
break;
}
while(end < sig.length) {
if (Character.isJavaIdentifierPart(sig[end]))
end++;
else
break;
}
return rawSignature.substring(offset, end);
}
private IASTTranslationUnit getTranslationUnit(IIndex index, IFile sourceFile,
boolean cacheit, RefactoringStatus status) {
IASTTranslationUnit ast= fTranslationUnits.get(sourceFile);
if (ast == null) {