/**
* Parse the specified source. Any exceptions thrown by the {@link DartParser} will be logged and
* a {@link DartModelException} thrown.
*
* @param sourceRef the Dart source being parsed
* @param source the source to be parsed (not <code>null</code>)
* @param preserveComments <code>true</code> if comments are to be preserved
* @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 parseSource(
DartSource sourceRef,
String source,
boolean preserveComments,
Collection<DartCompilationError> parseErrors)
throws DartModelException {
long start = System.currentTimeMillis();
ParserRunnable runnable = new ParserRunnable(sourceRef, source, preserveComments, parseErrors);
runnable.runSafe();
long elapsed = System.currentTimeMillis() - start;
Instrumentation.metric("DartCompilerUtils-parseSource", elapsed).log();
Instrumentation.operation("DartCompilerUtils-parseSource", elapsed)
.with("sourceRef.Name", sourceRef.getName())
.with("source", source)
.with("parseErrors", parseErrors != null ? parseErrors.size() : 0)
.log();
if (runnable.exception != null) {
throw new DartModelException(
new CoreException(
new Status(
IStatus.ERROR,
DartCore.PLUGIN_ID,
"Failed to parse " + sourceRef.getName(),
runnable.exception)));
}
return runnable.result;
}
/** A synchronized call to {@link DartParser#parseUnit(DartSource)} */
public static DartUnit secureParseUnit(DartParser parser, DartSource sourceRef) {
long start = System.currentTimeMillis();
// All calls to DartC must be synchronized
synchronized (compilerLock) {
DartUnit ret = parser.parseUnit();
long elapsed = System.currentTimeMillis() - start;
Instrumentation.metric("DartCompilerUtils-secureParseUnit", elapsed).log();
Instrumentation.operation("DartCompilerUtils-secureParseUnit", elapsed)
.with("sourceRef.Name", sourceRef != null ? sourceRef.getName() : "null")
.log();
return ret;
}
}