public void Tokenization()
{
string source = "void f(int x); void g(int x) { f(x); }";
using (var empty = disposables.WriteToEmpty(source))
{
var file = empty.GetFile(TestFiles.Empty);
var range = SourceRange.Create(
file.GetLocationFromOffset((uint)source.IndexOf("f(x)")),
file.GetLocationFromOffset((uint)(source.IndexOf(" }"))));
var tokens = empty.Tokenize(range);
CollectionAssert.AreEqual(
new[] { "f", "(", "x", ")", ";" },
tokens.ToArray(token => token.GetSpelling()));
Assert.AreEqual(TokenKind.Identifier, tokens[0].GetKind());
Assert.AreEqual("f", tokens[0].GetSpelling());
Assert.AreEqual(
file.GetLocationFromOffset((uint)source.IndexOf("f(x)")),
tokens[0].GetLocation());
Assert.AreEqual(
(uint)source.IndexOf("f(x)"),
tokens[0].GetExtent().GetStart().Offset);
Assert.AreEqual(
(uint)source.IndexOf("f(x)") + 1,
tokens[0].GetExtent().GetEnd().Offset);
Assert.AreEqual(TokenKind.Punctuation, tokens[1].GetKind());
Assert.AreEqual("(", tokens[1].GetSpelling());
Assert.AreEqual(TokenKind.Identifier, tokens[2].GetKind());
Assert.AreEqual("x", tokens[2].GetSpelling());
Assert.AreEqual(TokenKind.Punctuation, tokens[3].GetKind());
Assert.AreEqual(")", tokens[3].GetSpelling());
}
}
public void VisitFunctionDeclaration()
{
string source = "void foo();";
string spelling = null;
var visitor = new DelegatingCursorVisitor((cursor, parent) =>
{
if (cursor.Kind == CursorKind.FunctionDecl)
{
spelling = cursor.GetSpelling();
}
return(ChildVisitResult.Recurse);
});
using (var empty = disposables.WriteToEmpty(source))
{
Assert.AreEqual(false, visitor.VisitChildren(empty.GetCursor()));
Assert.AreEqual("foo", spelling);
}
}
public void TestMethods(
string source,
int offset,
string methodName,
object[] parameters,
object expected,
string resultAdapter)
{
using (var empty = disposables.WriteToEmpty(source))
{
var file = empty.GetFile(TestFiles.Empty);
var location = file.GetLocationFromOffset((uint)offset);
var typeInfo = empty.GetCursor(location).GetTypeInfo();
var method = typeof(TypeInfo).GetTypeInfo().GetMethod(methodName);
object result = method.Invoke(typeInfo, parameters);
if (resultAdapter != null)
{
method = result.GetType().GetTypeInfo().GetMethod(resultAdapter);
result = method.Invoke(result, null);
}
Assert.AreEqual(expected, result);
}
}
public void LinkageKinds()
{
string source = "void a() { int b; } static int d; namespace { int c; }";
using (var empty = disposables.WriteToEmpty(source))
{
var file = empty.GetFile(TestFiles.Empty);
Assert.AreEqual(
LinkageKind.External,
empty.GetCursor(file.GetLocation(1, 6)).GetLinkage());
Assert.AreEqual(
LinkageKind.NoLinkage,
empty.GetCursor(file.GetLocation(1, 16)).GetLinkage());
Assert.AreEqual(
LinkageKind.Internal,
empty.GetCursor(file.GetLocation(1, 32)).GetLinkage());
Assert.AreEqual(
LinkageKind.UniqueExternal,
empty.GetCursor(file.GetLocation(1, 51)).GetLinkage());
}
}
