private SliceTreeStructure configureTree(@NonNls final String name) throws Exception {
configureByFile("/codeInsight/slice/backward/" + name + ".java");
PsiDocumentManager.getInstance(getProject()).commitAllDocuments();
PsiElement element = new SliceHandler(true).getExpressionAtCaret(getEditor(), getFile());
assertNotNull(element);
Collection<HighlightInfo> errors = highlightErrors();
assertEmpty(errors);
SliceAnalysisParams params = new SliceAnalysisParams();
params.scope = new AnalysisScope(getProject());
params.dataFlowToThis = true;
SliceUsage usage = SliceUsage.createRootUsage(element, params);
SlicePanel panel =
new SlicePanel(
getProject(),
true,
new SliceRootNode(getProject(), new DuplicateMap(), usage),
false,
ToolWindowHeadlessManagerImpl.HEADLESS_WINDOW) {
@Override
protected void close() {}
@Override
public boolean isAutoScroll() {
return false;
}
@Override
public void setAutoScroll(boolean autoScroll) {}
@Override
public boolean isPreview() {
return false;
}
@Override
public void setPreview(boolean preview) {}
};
Disposer.register(getProject(), panel);
return (SliceTreeStructure) panel.getBuilder().getTreeStructure();
}
private static boolean processValuesFlownTo(
@NotNull final PsiExpression argument,
PsiElement scope,
@NotNull final Processor<PsiExpression> processor) {
SliceAnalysisParams params = new SliceAnalysisParams();
params.dataFlowToThis = true;
params.scope = new AnalysisScope(new LocalSearchScope(scope), argument.getProject());
SliceRootNode rootNode =
new SliceRootNode(
scope.getProject(), new DuplicateMap(), SliceManager.createRootUsage(argument, params));
Collection<? extends AbstractTreeNode> children =
rootNode.getChildren().iterator().next().getChildren();
for (AbstractTreeNode child : children) {
SliceUsage usage = (SliceUsage) child.getValue();
PsiElement element = usage.getElement();
if (element instanceof PsiExpression && !processor.process((PsiExpression) element))
return false;
}
return !children.isEmpty();
}