private TypeReferenceNode parsePackageOrTypeName(bool fail) {
if (!isIdentifier(lexicalUnit)) {
if (fail) {
throw error(ParseErrorId.IdentifierExpected);
} else {
return null;
}
}
TypeReferenceNode result;
int sp = scanner.StartPosition;
int len = getLexicalUnitLength();
var name = new SimpleNameTypeReferenceNode { StartPosition = sp };
setScannerState(name);
name.NameOffset = sp;
name.NameLength = len;
result = name;
int endPosition = scanner.EndPosition;
nextLexicalUnit(false);
endPosition = parseTypeArguments(name.TypeArguments, false, endPosition);
while (lexicalUnit == LexicalUnit.Dot) {
result.EndPosition = scanner.StartPosition;
nextLexicalUnit(fail);
if (!isIdentifier(lexicalUnit)) {
if (fail) {
throw error(ParseErrorId.IdentifierExpected);
} else {
return null;
}
}
name = new SimpleNameTypeReferenceNode { StartPosition = scanner.StartPosition, EndPosition = scanner.EndPosition };
setScannerState(name);
name.NameOffset = scanner.StartPosition;
name.NameLength = getLexicalUnitLength();
var qualifiedType = new QualifiedTypeReferenceNode { EnclosingType = result, SimpleName = name,
StartPosition = result.StartPosition };
copyScannerState(result, qualifiedType);
result = qualifiedType;
endPosition = scanner.EndPosition;
nextLexicalUnit(false);
endPosition = parseTypeArguments(name.TypeArguments,false, endPosition);
}
result.EndPosition = endPosition;
return result;
}
private bool parseTypeParameters(List<SimpleNameTypeReferenceNode> parameters, bool fail) {
if (lexicalUnit != LexicalUnit.LessThan) {
return true;
}
nextLexicalUnit(true);
while (true) {
var type = new SimpleNameTypeReferenceNode { NameOffset = scanner.StartPosition, NameLength = getLexicalUnitLength() };
setScannerState(type);
parameters.add(type);
if (!isIdentifier(lexicalUnit)) {
if (fail) {
throw error(ParseErrorId.IdentifierExpected);
} else {
return false;
}
}
type.EndPosition = scanner.EndPosition;
if (nextLexicalUnit(true) != LexicalUnit.Comma) {
break;
}
nextLexicalUnit(true);
}
if (lexicalUnit != LexicalUnit.GreaterThan) {
if (fail) {
throw error(ParseErrorId.GreaterThanExpected);
} else {
return false;
}
}
nextLexicalUnit(false);
return true;
}