private InitializerExpressionNode parseObjectOrCollectionInitializer() {
if (isIdentifier(lexicalUnit)) {
var restorePoint = this.createRestorePoint();
int sp = scanner.StartPosition;
int len = getLexicalUnitLength();
saveScannerState();
if (nextLexicalUnit(true) == LexicalUnit.Assign) {
var objectInitializer = new ObjectInitializerExpressionNode();
setSavedScannerState(objectInitializer);
var memberInitializer = new MemberInitializerNode { NameOffset = sp, NameLength = len };
setSavedScannerState(memberInitializer);
if (nextLexicalUnit(true) == LexicalUnit.OpenBrace) {
nextLexicalUnit(true);
memberInitializer.Value = parseObjectOrCollectionInitializer();
} else {
memberInitializer.Value = parseExpression();
}
memberInitializer.EndPosition = memberInitializer.Value.EndPosition;
objectInitializer.MemberInitializers.add(memberInitializer);
while (lexicalUnit == LexicalUnit.Comma) {
if (!isIdentifier(nextLexicalUnit(true))) {
break;
}
sp = scanner.StartPosition;
len = getLexicalUnitLength();
saveScannerState();
if (nextLexicalUnit(true) != LexicalUnit.Assign) {
throw error(ParseErrorId.AssignExpected);
}
memberInitializer = new MemberInitializerNode { NameOffset = sp, NameLength = len };
setSavedScannerState(memberInitializer);
if (nextLexicalUnit(true) == LexicalUnit.OpenBrace) {
nextLexicalUnit(true);
memberInitializer.Value = parseObjectOrCollectionInitializer();
} else {
memberInitializer.Value = parseExpression();
}
memberInitializer.EndPosition = memberInitializer.Value.EndPosition;
objectInitializer.MemberInitializers.add(memberInitializer);
}
if (lexicalUnit != LexicalUnit.CloseBrace) {
throw error(ParseErrorId.CloseBraceExpected);
}
objectInitializer.EndPosition = scanner.EndPosition;
nextLexicalUnit(false);
return objectInitializer;
}
this.restore(restorePoint);
}
var collectionInitializer = new CollectionInitializerExpressionNode();
setScannerState(collectionInitializer);
while (lexicalUnit != LexicalUnit.CloseBrace) {
if (lexicalUnit == LexicalUnit.OpenBrace) {
nextLexicalUnit(true);
var values = new ArrayList<ExpressionNode>();
while (lexicalUnit != LexicalUnit.CloseBrace) {
values.add(parseExpression());
parseCommaOrCloseBrace();
}
nextLexicalUnit(false);
collectionInitializer.Values.add(values);
} else {
var value = new ArrayList<ExpressionNode>();
value.add(parseExpression());
collectionInitializer.Values.add(value);
}
parseCommaOrCloseBrace();
}
collectionInitializer.EndPosition = scanner.EndPosition;
nextLexicalUnit(false);
return collectionInitializer;
}
protected virtual TResult handleCollectionInitializer(CollectionInitializerExpressionNode initializer, TSource source, bool nested)
{
return(defaultHandler());
}