Add workaround and error logging for translate() returning nullptr

Author: jonas

bindgen/CycleDetection.h

@@ -35,6 +35,10 @@ class CycleDetection {
         }
 
         Type *type = tpeTransl.translate(qtpe);
+        if (type == nullptr) {
+            return;
+        }
+
         std::string qtpeString = type->str();
         if (type->canBeDeallocated()) {
             delete type;

bindgen/TypeTranslator.cpp

@@ -106,7 +106,15 @@ Type *TypeTranslator::translateStructOrUnion(const clang::QualType &qtpe) {
 Type *TypeTranslator::translateConstantArray(const clang::ConstantArrayType *ar,
                                              const std::string *avoid) {
     const uint64_t size = ar->getSize().getZExtValue();
-    return new ArrayType(translate(ar->getElementType(), avoid), size);
+    Type *elementType = translate(ar->getElementType(), avoid);
+    if (elementType == nullptr) {
+        llvm::errs() << "Failed to translate array type "
+                     << ar->getElementType().getAsString()
+                     << "\n";
+        elementType = new PrimitiveType("Byte");
+    }
+
+    return new ArrayType(elementType, size);
 }
 
 Type *TypeTranslator::translate(const clang::QualType &qtpe,

bindgen/ir/IR.cpp

@@ -301,6 +301,7 @@ T IR::getDeclarationWithName(std::vector<T> &declarations,
             return declaration;
         }
     }
+    llvm::errs() << "Failed to get declaration for " << name << "\n";
     return nullptr;
 }