@NotNull
@Override
public PsiCatchSection createCatchSection(
@NotNull final PsiType exceptionType,
@NotNull final String exceptionName,
@Nullable final PsiElement context)
throws IncorrectOperationException {
if (!(exceptionType instanceof PsiClassType || exceptionType instanceof PsiDisjunctionType)) {
throw new IncorrectOperationException("Unexpected type:" + exceptionType);
}
@NonNls
final String text = "catch (" + exceptionType.getCanonicalText() + " " + exceptionName + ") {}";
final DummyHolder holder =
DummyHolderFactory.createHolder(
myManager, new JavaDummyElement(text, CATCH_SECTION, level(context)), context);
final PsiElement element =
SourceTreeToPsiMap.treeElementToPsi(holder.getTreeElement().getFirstChildNode());
if (!(element instanceof PsiCatchSection)) {
throw new IncorrectOperationException(
"Incorrect catch section '" + text + "'. Parsed element: " + element);
}
final Project project = myManager.getProject();
final JavaPsiImplementationHelper helper = JavaPsiImplementationHelper.getInstance(project);
helper.setupCatchBlock(exceptionName, exceptionType, context, (PsiCatchSection) element);
final CodeStyleManager styleManager = CodeStyleManager.getInstance(project);
final PsiCatchSection catchSection = (PsiCatchSection) styleManager.reformat(element);
GeneratedMarkerVisitor.markGenerated(catchSection);
return catchSection;
}
@NotNull
@Override
public PsiElement createDummyHolder(
@NotNull final String text,
@NotNull final IElementType type,
@Nullable final PsiElement context) {
final DummyHolder result = DummyHolderFactory.createHolder(myManager, context);
final FileElement holder = result.getTreeElement();
final Language language = type.getLanguage();
final ParserDefinition parserDefinition =
LanguageParserDefinitions.INSTANCE.forLanguage(language);
assert parserDefinition != null : "No parser definition for language " + language;
final Project project = myManager.getProject();
final Lexer lexer = parserDefinition.createLexer(project);
final PsiBuilder builder =
PsiBuilderFactory.getInstance().createBuilder(project, holder, lexer, language, text);
final ASTNode node = parserDefinition.createParser(project).parse(type, builder);
holder.rawAddChildren((TreeElement) node);
final PsiElement psi = node.getPsi();
assert psi != null : text;
return psi;
}