private AbstractPSystem executeOneLine(
AbstractPSystem sys, UmlSource source, final IteratorCounter2 it) {
final CommandControl commandControl = isValid2(it);
if (commandControl == CommandControl.NOT_OK) {
final ErrorUml err =
new ErrorUml(
ErrorUmlType.SYNTAX_ERROR, "Syntax Error?", it.currentNum(), it.peek().getLocation());
if (OptionFlags.getInstance().isUseSuggestEngine()) {
final SuggestEngine engine = new SuggestEngine(source, this);
final SuggestEngineResult result = engine.tryToSuggest(sys);
if (result.getStatus() == SuggestEngineStatus.ONE_SUGGESTION) {
err.setSuggest(result);
}
}
sys = new PSystemError(source, err, null);
} else if (commandControl == CommandControl.OK_PARTIAL) {
final IteratorCounter2 saved = it.cloneMe();
final CommandExecutionResult result = manageMultiline2(it, sys);
if (result.isOk() == false) {
sys =
new PSystemError(
source,
new ErrorUml(
ErrorUmlType.EXECUTION_ERROR,
result.getError(),
it.currentNum() - 1,
saved.next().getLocation()),
null);
}
} else if (commandControl == CommandControl.OK) {
final CharSequence line = it.next();
final BlocLines lines = BlocLines.single(line);
Command cmd = getFirstCommandOkForLines(lines);
final CommandExecutionResult result = sys.executeCommand(cmd, lines);
if (result.isOk() == false) {
sys =
new PSystemError(
source,
new ErrorUml(
ErrorUmlType.EXECUTION_ERROR,
result.getError(),
it.currentNum() - 1,
((CharSequence2) line).getLocation()),
result.getDebugLines());
}
if (result.getNewDiagram() != null) {
sys = result.getNewDiagram();
}
} else {
assert false;
}
return sys;
}
public final Diagram createSystem(UmlSource source) {
final IteratorCounter2 it = source.iterator2();
final CharSequence2 startLine = it.next();
if (StartUtils.isArobaseStartDiagram(startLine) == false) {
throw new UnsupportedOperationException();
}
if (source.isEmpty()) {
return buildEmptyError(source, startLine.getLocation());
}
AbstractPSystem sys = createEmptyDiagram();
while (it.hasNext()) {
if (StartUtils.isArobaseEndDiagram(it.peek())) {
if (sys == null) {
return null;
}
final String err = sys.checkFinalError();
if (err != null) {
return buildEmptyError(source, err, it.peek().getLocation());
}
if (source.getTotalLineCount() == 2) {
return buildEmptyError(source, it.peek().getLocation());
}
sys.makeDiagramReady();
if (sys.isOk() == false) {
return null;
}
sys.setSource(source);
return sys;
}
sys = executeOneLine(sys, source, it);
if (sys instanceof PSystemError) {
return sys;
}
}
sys.setSource(source);
return sys;
}