/**
* Parse the source for the specified compilation unit. Any exceptions thrown by the {@link
* DartParser} will be logged and a {@link DartModelException} thrown.
*
* @param compilationUnit the compilation unit (not <code>null</code>)
* @param parseErrors a collection to which parse errors are appended or <code>null</code> if
* parse errors should be ignored
* @return the parse result
*/
public static DartUnit parseUnit(
CompilationUnit compilationUnit, Collection<DartCompilationError> parseErrors)
throws DartModelException {
String name = compilationUnit.getElementName();
String source = compilationUnit.getSource();
return parseSource(name, source, parseErrors);
}
@Override
public void setInput(RefactoringStatusContext context) {
if (context instanceof DartStatusContext) {
DartStatusContext jsc = (DartStatusContext) context;
IDocument document = null;
{
CompilationUnit cunit = jsc.getCompilationUnit();
if (cunit.isWorkingCopy()) {
try {
document = newDocument(cunit.getSource());
} catch (DartModelException e) {
// document is null which is a valid input.
}
} else {
IEditorInput editorInput = new FileEditorInput((IFile) cunit.getResource());
document =
getDocument(
DartToolsPlugin.getDefault().getCompilationUnitDocumentProvider(), editorInput);
}
if (document == null) {
document = new Document(RefactoringMessages.DartStatusContextViewer_no_source_available);
}
updateTitle(cunit);
}
setInput(document, createRegion(jsc.getSourceRange()));
} else if (context instanceof DartStringStatusContext) {
updateTitle(null);
DartStringStatusContext sc = (DartStringStatusContext) context;
setInput(newDocument(sc.getSource()), createRegion(sc.getSourceRange()));
}
}
/**
* Parse the source for the specified compilation unit and resolve any elements found in it. Any
* exceptions thrown by the {@link DartParser} will be added to the given collection.
*
* @param compilationUnit the compilation unit (not <code>null</code>)
* @param parseErrors a collection to which parse errors are added or <code>null</code> if parse
* errors should be ignored
* @return the parse result
*/
public static DartUnit resolveUnit(
CompilationUnit compilationUnit, Collection<DartCompilationError> parseErrors)
throws DartModelException {
long start = System.currentTimeMillis();
DartLibraryImpl library = (DartLibraryImpl) compilationUnit.getLibrary();
if (library == null) {
// If we cannot get the library, we cannot resolve any elements so we
// revert to simply parsing the compilation unit.
DartUnit ret = parseUnit(compilationUnit, parseErrors);
long elapsed = System.currentTimeMillis() - start;
Instrumentation.metric("DartCompilerUtils-resolveUnit", elapsed)
.with("ParseOnlyFallback", "true")
.log();
Instrumentation.operation("DartCompilerUtils-resolveUnit", elapsed)
.with("ParseOnlyFallback", "true")
.with("CompilaitonUnit-ElementName", compilationUnit.getElementName())
.log();
return ret;
}
IResource resource = compilationUnit.getResource();
URI unitUri = null;
if (resource != null) {
unitUri = resource.getLocationURI();
}
if (unitUri == null && compilationUnit instanceof ExternalCompilationUnitImpl) {
unitUri = ((ExternalCompilationUnitImpl) compilationUnit).getUri();
}
if (unitUri == null) {
unitUri = ((CompilationUnitImpl) compilationUnit).getSourceRef().getUri();
}
String unitSource = compilationUnit.getSource();
Map<URI, String> suppliedSources = new HashMap<URI, String>();
if (unitSource != null) {
suppliedSources.put(unitUri, unitSource);
}
DartUnit ret =
resolveUnit(library.getLibrarySourceFile(), unitUri, suppliedSources, parseErrors);
long elapsed = System.currentTimeMillis() - start;
Instrumentation.metric("DartCompilerUtils-resolveUnit", elapsed)
.with("ParseOnlyFallback", "false")
.log();
Instrumentation.operation("DartCompilerUtils-resolveUnit", elapsed)
.with("ParseOnlyFallback", "false")
.with("CompilaitonUnit-ElementName", compilationUnit.getElementName())
.with("compilationUnit.LastModified", compilationUnit.getModificationStamp())
.log();
return ret;
}
/** 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();
}
}
/** Asserts that {@link CompilationUnit} has expected content. */
protected static void assertUnitContent(CompilationUnit unit, String... lines) throws Exception {
assertEquals(makeSource(lines), unit.getSource());
}
/** Prints lines of code to insert into {@link #assertUnitContent(String...)}. */
protected static void printUnitLinesSource(CompilationUnit unit) throws Exception {
String source = unit.getSource();
Iterable<String> lines = Splitter.on('\n').split(source);
System.out.println(getLinesForSource(lines));
}
/** @return the offset of given <code>search</code> string. Fails test if not found. */
protected static int findOffset(CompilationUnit unit, String search) throws Exception {
String source = unit.getSource();
int offset = source.indexOf(search);
assertThat(offset).describedAs(source).isNotEqualTo(-1);
return offset;
}