private ExpressionNode parseNewExpression() {
ExpressionNode result = null;
saveScannerState();
switch (nextLexicalUnit(true)) {
case OpenBracket: {
int dims = parseDimensions();
if (lexicalUnit != LexicalUnit.OpenBrace) {
throw error(ParseErrorId.OpenBraceExpected);
}
nextLexicalUnit(true);
var arrayCreation = new ArrayCreationExpressionNode { Dimensions = dims, Initializer = parseArrayInitializer() };
setSavedScannerState(arrayCreation);
arrayCreation.EndPosition = arrayCreation.Initializer.EndPosition;
result = arrayCreation;
}
break;
case OpenBrace: {
nextLexicalUnit(true);
var objectCreation = new AnonymousObjectCreationExpressionNode();
setSavedScannerState(objectCreation);
result = objectCreation;
while (lexicalUnit != LexicalUnit.CloseBrace) {
var memberDeclarator = new MemberInitializerNode();
setScannerState(memberDeclarator);
if (isIdentifier(lexicalUnit)) {
var restorePoint = this.createRestorePoint();
int sp = scanner.StartPosition;
int len = getLexicalUnitLength();
if (nextLexicalUnit(true) == LexicalUnit.Assign) {
nextLexicalUnit(true);
memberDeclarator.NameOffset = sp;
memberDeclarator.NameLength = len;
memberDeclarator.Value = parseExpression();
goto memberDeclaratorCreated;
}
this.restore(restorePoint);
}
memberDeclarator.Value = parsePrimaryExpression();
memberDeclarator.EndPosition = memberDeclarator.Value.EndPosition;
switch (memberDeclarator.Value.ExpressionKind) {
case SimpleName:
case MemberAccess:
break;
default:
throw error(ParseErrorId.NameOrMemberAccessExpected);
}
memberDeclaratorCreated:
objectCreation.MemberDeclarators.add(memberDeclarator);
parseCommaOrCloseBrace();
}
result.EndPosition = scanner.EndPosition;
nextLexicalUnit(false);
}
break;
default: {
var filename = savedFilename;
int line = savedLine;
int column = savedColumn;
var disabledWarnings = savedDisabledWarnings;
int startPosition = savedStartPosition;
var type = parseType(true);
if (type.TypeReferenceKind != TypeReferenceKind.Array) {
switch (lexicalUnit) {
case OpenBrace:
nextLexicalUnit(true);
var objectCreation = new ObjectCreationExpressionNode { Filename = filename, Line = line, Column = column,
DisabledWarnings = disabledWarnings, Type = type, Initializer = parseObjectOrCollectionInitializer(),
StartPosition = startPosition };
result = objectCreation;
result.EndPosition = objectCreation.Initializer.EndPosition;
break;
case OpenParenthesis:
objectCreation = new ObjectCreationExpressionNode { Filename = filename, Line = line, Column = column,
DisabledWarnings = disabledWarnings, Type = type, StartPosition = startPosition };
result = objectCreation;
nextLexicalUnit(true);
result.EndPosition = parseArguments(objectCreation.Arguments);
if (lexicalUnit == LexicalUnit.OpenBrace) {
nextLexicalUnit(true);
objectCreation.Initializer = parseObjectOrCollectionInitializer();
objectCreation.EndPosition = objectCreation.Initializer.EndPosition;
}
break;
case OpenBracket:
var arrayCreation = new ArrayCreationExpressionNode { Filename = filename, Line = line, Column = column,
DisabledWarnings = disabledWarnings, Type = type, StartPosition = startPosition };
result = arrayCreation;
bool noOpenBracket = false;
int endPosition = scanner.EndPosition;
while (nextLexicalUnit(true) != LexicalUnit.CloseBracket) {
arrayCreation.DimensionExpressions.add(parseExpression());
if (lexicalUnit != LexicalUnit.CloseBracket) {
throw error(ParseErrorId.CloseBracketExpected);
}
endPosition = scanner.EndPosition;
if (nextLexicalUnit(false) != LexicalUnit.OpenBracket) {
noOpenBracket = true;
break;
}
}
if (!noOpenBracket && lexicalUnit == LexicalUnit.CloseBracket) {
endPosition = scanner.EndPosition;
if (nextLexicalUnit(false) == LexicalUnit.OpenBracket) {
arrayCreation.Dimensions = parseDimensions() + 1;
endPosition = scanner.EndPosition;
} else {
arrayCreation.Dimensions = 1;
}
}
if (lexicalUnit == LexicalUnit.OpenBrace) {
nextLexicalUnit(true);
arrayCreation.Initializer = parseArrayInitializer();
result.EndPosition = arrayCreation.Initializer.EndPosition;
} else {
result.EndPosition = endPosition;
}
break;
}
} else if (lexicalUnit == LexicalUnit.OpenBrace) {
nextLexicalUnit(true);
var arrayCreation = new ArrayCreationExpressionNode { Type = type };
setSavedScannerState(arrayCreation);
arrayCreation.Initializer = parseArrayInitializer();
result = arrayCreation;
result.EndPosition = arrayCreation.Initializer.EndPosition;
}
break;
}
}
return result;
}
protected virtual TResult handleObjectCreation(ObjectCreationExpressionNode objectCreation, TSource source, bool nested)
{
return(defaultHandler());
}
