C++ extractor improvements (#1803)

* #include an absolute path didn't work - because paths were taken to always be relative.

* Split of NodeTree.
Split out FileUtil.
Split out MacroWriter.

* Rename slang-cpp-extractor-main.cpp -> cpp-extractor-main.cpp

* First pass at extractor unit-tests

* Initial parsing of enum.

* Ability to disable/enable parsing of scope types.

* Initial support for typedef.

* Added operator== != to ArrayVIew.
Added test for splitting to unit tests.

* Improve comment in StringUtil.

* Fix comment.

* Fix typo.

1 files changed, 17 insertions, 0 deletions

diff --git a/source/compiler-core/slang-diagnostic-sink.cpp b/source/compiler-core/slang-diagnostic-sink.cpp
index 2adf31f69..727c322a5 100644
--- a/source/compiler-core/slang-diagnostic-sink.cpp
+++ b/source/compiler-core/slang-diagnostic-sink.cpp
@@ -385,6 +385,23 @@ static void formatDiagnostic(
     }
 }
 
+void DiagnosticSink::init(SourceManager* sourceManager, SourceLocationLexer sourceLocationLexer)
+{
+    m_errorCount = 0;
+    m_internalErrorLocsNoted = 0;
+
+    m_flags = 0;
+
+    m_sourceManager = sourceManager;
+    m_sourceLocationLexer = sourceLocationLexer;
+
+    // If we have a source location lexer, we'll by default enable source location output
+    if (sourceLocationLexer)
+    {
+        setFlag(Flag::SourceLocationLine);
+    }
+}
+
 void DiagnosticSink::diagnoseImpl(SourceLoc const& pos, DiagnosticInfo const& info, int argCount, DiagnosticArg const* const* args)
 {
     StringBuilder sb;