shiboken: Add comparison to AbstractMetaType

Extend the existing rudimentary comparison function
from the meta builder and provide comparison operators.

This will be useful for later refactorings.

Task-number: PYSIDE-672
Change-Id: I793656a733db676d9bc3ab8910869e50274f6a79
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

1 files changed, 20 insertions, 0 deletions

diff --git a/sources/shiboken2/ApiExtractor/abstractmetalang.cpp b/sources/shiboken2/ApiExtractor/abstractmetalang.cpp
index 634eae5a0..50ee849a2 100644
--- a/sources/shiboken2/ApiExtractor/abstractmetalang.cpp
+++ b/sources/shiboken2/ApiExtractor/abstractmetalang.cpp
@@ -281,6 +281,26 @@ bool AbstractMetaType::hasTemplateChildren() const
     return false;
 }
 
+bool AbstractMetaType::equals(const AbstractMetaType &rhs) const
+{
+    if (m_typeEntry != rhs.m_typeEntry || m_constant != rhs.m_constant
+        || m_referenceType != rhs.m_referenceType
+        || m_indirections != rhs.m_indirections
+        || m_instantiations.size() != rhs.m_instantiations.size()
+        || m_arrayElementCount != rhs.m_arrayElementCount) {
+        return false;
+    }
+    if ((m_arrayElementType != nullptr) != (rhs.m_arrayElementType != nullptr)
+        || (m_arrayElementType != nullptr && !m_arrayElementType->equals(*rhs.m_arrayElementType))) {
+        return false;
+    }
+    for (int i = 0, size = m_instantiations.size(); i < size; ++i) {
+        if (!m_instantiations.at(i)->equals(*rhs.m_instantiations.at(i)))
+                return false;
+    }
+    return true;
+}
+
 #ifndef QT_NO_DEBUG_STREAM
 QDebug operator<<(QDebug d, const AbstractMetaType *at)
 {