shiboken: List location of anonymous structs in rejected classes

Anonymous structs showed up as mysterious, empty entries in
mjb_rejected_classes.log. Output the location.

Change-Id: I0754e426a9fff3d1dac03aa587747ab0d7816df5
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>

2 files changed, 5 insertions, 0 deletions

diff --git a/sources/shiboken2/ApiExtractor/abstractmetabuilder.cpp b/sources/shiboken2/ApiExtractor/abstractmetabuilder.cpp
index bb9b94a5b..4b31dbb05 100644
--- a/sources/shiboken2/ApiExtractor/abstractmetabuilder.cpp
+++ b/sources/shiboken2/ApiExtractor/abstractmetabuilder.cpp
@@ -1052,6 +1052,10 @@ AbstractMetaClass *AbstractMetaBuilderPrivate::traverseClass(const FileModelItem
         reason = AbstractMetaBuilder::GenerationDisabled;
     }
     if (reason != AbstractMetaBuilder::NoReason) {
+        if (fullClassName.isEmpty()) {
+            QTextStream(&fullClassName) << "anonymous struct at " << classItem->fileName()
+                << ':' << classItem->startLine();
+        }
         m_rejectedClasses.insert(fullClassName, reason);
         return nullptr;
     }
diff --git a/sources/shiboken2/ApiExtractor/parser/codemodel.h b/sources/shiboken2/ApiExtractor/parser/codemodel.h
index 777b2d103..80db2cce5 100644
--- a/sources/shiboken2/ApiExtractor/parser/codemodel.h
+++ b/sources/shiboken2/ApiExtractor/parser/codemodel.h
@@ -287,6 +287,7 @@ public:
     FileModelItem file() const;
 
     void getStartPosition(int *line, int *column);
+    int startLine() const { return m_startLine; }
     void setStartPosition(int line, int column);
 
     void getEndPosition(int *line, int *column);