/* bd is a static field declaration or static initializer */
private static boolean depends(IExpressionFragment selected, BodyDeclaration bd) {
/* We currently consider selected to depend on bd only if db includes a declaration
* of a static field on which selected depends.
*
* A more accurate strategy might be to also check if bd contains (or is) a
* static initializer containing code which changes the value of a static field on
* which selected depends. However, if a static is written to multiple times within
* during class initialization, it is difficult to predict which value should be used.
* This would depend on which value is used by expressions instances for which the new
* constant will be substituted, and there may be many of these; in each, the
* static field in question may have taken on a different value (if some of these uses
* occur within static initializers).
*/
if (bd instanceof FieldDeclaration) {
FieldDeclaration fieldDecl = (FieldDeclaration) bd;
for (Iterator<VariableDeclarationFragment> fragments = fieldDecl.fragments().iterator();
fragments.hasNext(); ) {
VariableDeclarationFragment fragment = fragments.next();
SimpleName staticFieldName = fragment.getName();
if (selected.getSubFragmentsMatching(
ASTFragmentFactory.createFragmentForFullSubtree(staticFieldName))
.length
!= 0) return true;
}
}
return false;
}
private IASTFragment[] getFragmentsToReplace() throws JavaModelException {
List<IASTFragment> toReplace = new ArrayList<>();
if (fReplaceAllOccurrences) {
Iterator<ASTNode> replacementScope = getReplacementScope();
while (replacementScope.hasNext()) {
ASTNode scope = replacementScope.next();
IASTFragment[] allMatches =
ASTFragmentFactory.createFragmentForFullSubtree(scope)
.getSubFragmentsMatching(getSelectedExpression());
IASTFragment[] replaceableMatches = retainOnlyReplacableMatches(allMatches);
for (int i = 0; i < replaceableMatches.length; i++) toReplace.add(replaceableMatches[i]);
}
} else if (canReplace(getSelectedExpression())) toReplace.add(getSelectedExpression());
return toReplace.toArray(new IASTFragment[toReplace.size()]);
}
private IExpressionFragment getSelectedExpression() throws JavaModelException {
if (fSelectedExpression != null) return fSelectedExpression;
IASTFragment selectedFragment =
ASTFragmentFactory.createFragmentForSourceRange(
new SourceRange(fSelectionStart, fSelectionLength), fCuRewrite.getRoot(), fCu);
if (selectedFragment instanceof IExpressionFragment
&& !Checks.isInsideJavadoc(selectedFragment.getAssociatedNode())) {
fSelectedExpression = (IExpressionFragment) selectedFragment;
}
if (fSelectedExpression != null
&& Checks.isEnumCase(fSelectedExpression.getAssociatedExpression().getParent())) {
fSelectedExpression = null;
}
return fSelectedExpression;
}