/** Selects a Dart Element in an editor */
public static void revealInEditor(IEditorPart part, Object element) {
if (element == null) {
return;
}
// TODO(scheglov) to be removed with method
// if (part instanceof DartEditor) {
// ((DartEditor) part).setSelection(element);
// return;
// }
// Support for non-Dart editor
try {
SourceRange range = null;
DartX.todo();
if (element instanceof SourceReference) {
range = ((SourceReference) element).getSourceRange();
}
if (range != null) {
revealInEditor(part, range.getOffset(), range.getLength());
}
} catch (DartModelException e) {
// don't reveal
}
}
private final void processNode(SemanticToken token, DartNode node) {
token.update(node);
token.attachSource(fSourceViewer.getDocument());
// sometimes node has wrong source range; log problem
if (token.getSource() == null) {
IDocument document = fSourceViewer.getDocument();
if (node != null && document != null) {
SourceInfo sourceInfo = node.getSourceInfo();
if (sourceInfo != null) {
DartToolsPlugin.log(
"Bad node: "
+ node.getClass().getName()
+ " offset:"
+ sourceInfo.getOffset()
+ " len:"
+ sourceInfo.getLength()
+ " in document: "
+ document.getLength());
}
}
return;
}
// try SemanticHighlighting instances
for (int i = 0, n = fJobSemanticHighlightings.length; i < n; i++) {
if (fJobHighlightings[i].isEnabled()) {
SemanticHighlighting semanticHighlighting = fJobSemanticHighlightings[i];
// try multiple positions
{
List<SourceRange> ranges = semanticHighlighting.consumesMulti(token);
if (ranges != null) {
for (SourceRange range : ranges) {
int offset = range.getOffset();
int length = range.getLength();
if (offset > -1 && length > 0) {
fCollector.addPosition(offset, length, fJobHighlightings[i]);
}
}
break;
}
}
// try single position
boolean consumes;
if (node instanceof DartIdentifier) {
consumes = semanticHighlighting.consumesIdentifier(token);
} else {
consumes = semanticHighlighting.consumes(token);
}
if (consumes) {
int offset = node.getSourceInfo().getOffset();
int length = node.getSourceInfo().getLength();
if (offset > -1 && length > 0) {
fCollector.addPosition(offset, length, fJobHighlightings[i]);
}
break;
}
}
}
token.clear();
}
/**
* @return if given unqualified {@link SearchMatch} intersects with visibility range of {@link
* LocalElement}.
*/
protected static boolean isReferenceInLocalRange(
LocalElement localElement, SearchMatch reference) {
if (reference.isQualified()) {
return false;
}
Source localSource = localElement.getSource();
Source referenceSource = reference.getElement().getSource();
SourceRange localRange = localElement.getVisibleRange();
SourceRange referenceRange = reference.getSourceRange();
return Objects.equal(referenceSource, localSource) && referenceRange.intersects(localRange);
}
/**
* @return {@code true} if two given {@link Element}s are {@link LocalElement}s and have
* intersecting with visibility ranges.
*/
protected static boolean haveIntersectingRanges(LocalElement localElement, Element element) {
if (!(element instanceof LocalElement)) {
return false;
}
LocalElement localElement2 = (LocalElement) element;
Source localSource = localElement.getSource();
Source localSource2 = localElement2.getSource();
SourceRange localRange = localElement.getVisibleRange();
SourceRange localRange2 = localElement2.getVisibleRange();
return Objects.equal(localSource2, localSource)
&& localRange != null
&& localRange2 != null
&& localRange2.intersects(localRange);
}
@Override
public void matchFound(SearchMatch match) {
DartElement element = match.getElement();
SourceRange range = match.getSourceRange();
search.addMatch(
new DartElementMatch(
element,
0 /* match.getRule() */,
range.getOffset(),
range.getLength(),
match.getQuality().ordinal() /* accuracy */,
false /* isReadAccess */,
false /* isWriteAccess */,
false,
false));
}
/** Test for {@link DartFunction#getVisibleRange()} for local functions. */
public void test_getVisibleRange() throws Exception {
TestProject testProject = new TestProject("Test");
try {
CompilationUnit unit =
testProject.setUnitContent(
"Test.dart",
Joiner.on("\n")
.join(
"// filler filler filler filler filler filler filler filler filler filler",
"f() {",
" v1() {};",
" {",
" v2() {};",
" }//marker1",
" v3() {};",
"}//marker2",
""));
String source = unit.getSource();
DartFunction globalFunction = (DartFunction) unit.getChildren()[0];
DartElement[] functions = globalFunction.getChildren();
assertThat(functions).hasSize(3);
// v1
{
DartFunction f = (DartFunction) functions[0];
SourceRange range = f.getVisibleRange();
assertEquals("v1", f.getElementName());
assertEquals(source.indexOf("v1"), range.getOffset());
assertEquals(source.indexOf("marker2") - 1, range.getOffset() + range.getLength());
}
// v2
{
DartFunction f = (DartFunction) functions[1];
SourceRange range = f.getVisibleRange();
assertEquals("v2", f.getElementName());
assertEquals(source.indexOf("v2"), range.getOffset());
assertEquals(source.indexOf("marker1") - 1, range.getOffset() + range.getLength());
}
// v3
{
DartFunction f = (DartFunction) functions[2];
SourceRange range = f.getVisibleRange();
assertEquals("v3", f.getElementName());
assertEquals(source.indexOf("v3"), range.getOffset());
assertEquals(source.indexOf("marker2") - 1, range.getOffset() + range.getLength());
}
} finally {
testProject.dispose();
}
}
/** Selects and reveals the given source range in the given editor part. */
public static void revealInEditor(
IEditorPart part, com.google.dart.engine.utilities.source.SourceRange range) {
if (part != null && range != null) {
revealInEditor(part, range.getOffset(), range.getLength());
}
}