private static LibraryDeps fromReaderEx(Reader reader) throws Exception {
LibraryDeps deps = new LibraryDeps();
BufferedReader buf = new BufferedReader(reader);
// Check version.
{
String line = buf.readLine();
if (!Objects.equal(line, VERSION)) {
return deps;
}
}
// Read units dependencies.
String relPath;
while (null != (relPath = buf.readLine())) {
Source source = new Source();
// Read flags.
source.shouldRecompileOnAnyTopLevelChange = Boolean.parseBoolean(buf.readLine());
// Read top symbols.
{
String line = buf.readLine();
Iterable<String> topSymbols = Splitter.on(' ').omitEmptyStrings().split(line);
Iterables.addAll(source.topSymbols, topSymbols);
}
// Read all symbols.
{
String line = buf.readLine();
Iterable<String> allSymbols = Splitter.on(' ').omitEmptyStrings().split(line);
Iterables.addAll(source.allSymbols, allSymbols);
}
// Read holes.
{
String line = buf.readLine();
Iterable<String> holes = Splitter.on(' ').omitEmptyStrings().split(line);
Iterables.addAll(source.holes, holes);
}
// Read dependencies.
while (true) {
String line = buf.readLine();
// Blank line: next unit.
if (line.length() == 0) {
break;
}
// Parse line.
String[] parts = line.split(" ");
source.deps.add(new Dependency(new URI(parts[0]), parts[1], Long.parseLong(parts[2])));
}
// Remember dependencies for current unit.
deps.sources.put(relPath, source);
}
return deps;
}
/** Update the library dependencies to reflect this unit's classes. */
public void update(DartCompilerMainContext context, DartUnit unit) {
Source source = new Source();
DartSource unitSource = (DartSource) unit.getSourceInfo().getSource();
String relPath = unitSource.getRelativePath();
putSource(relPath, source);
// Remember dependencies.
LibraryDepsVisitor.exec(unit, source);
// Fill Source with symbols.
for (String name : unit.getDeclarationNames()) {
source.addAllSymbol(name);
}
for (String name : unit.getTopDeclarationNames()) {
source.addTopSymbol(name);
}
// Analyze errors and see if any of them should force recompilation.
List<DartCompilationError> sourceErrors = context.getSourceErrors(unitSource);
for (DartCompilationError error : sourceErrors) {
if (error.getErrorCode().needsRecompilation()) {
source.shouldRecompileOnAnyTopLevelChange = true;
break;
}
}
}