Fixed #404: Unintentional swapping of array dimensions.

InsightsHelpers.cpp

@@ -500,8 +500,9 @@ class SimpleTypePrinter
     std::string                      mDataAfter{};
     bool                             mHasData{false};
     bool                             mSkipSpace{false};
-    std::string                      mScope{};  //!< A scope coming from an ElaboratedType which is used for a
-                                                //!< ClassTemplateSpecializationDecl if there is no other scope
+    bool mScanningArrayDimension{};  //!< Only the outer most ConstantArrayType handles the array dimensions and size
+    std::string mScope{};            //!< A scope coming from an ElaboratedType which is used for a
+                                     //!< ClassTemplateSpecializationDecl if there is no other scope
 
     bool HandleType(const TemplateTypeParmType* type)
     {
@@ -735,9 +736,23 @@ class SimpleTypePrinter
 
     bool HandleType(const ConstantArrayType* type)
     {
+        // Only the outer most ConstantArrayType generates the aary dimensions, block others.
+        bool scanningArrayDimension = false;
+        if(not mScanningArrayDimension) {
+            mScanningArrayDimension = true;
+            scanningArrayDimension  = true;
+        }
+
         const bool ret = HandleType(type->getElementType().getTypePtrOrNull());
 
-        mData.Append("["sv, type->getSize().getZExtValue(), "]"sv);
+        // Handle the array dimension after the type has been parsed.
+        if(scanningArrayDimension) {
+            do {
+                mData.Append("["sv, type->getSize().getZExtValue(), "]"sv);
+            } while((type = dyn_cast_or_null<ConstantArrayType>(type->getElementType().getTypePtrOrNull())));
+
+            mScanningArrayDimension = false;
+        }
 
         return ret;
     }

tests/Issue404.cerr

@@ -0,0 +1,10 @@
+.tmp.cpp:22:21: error: 'S' does not refer to a value
+     S arr2[3][2] = S [3][2]();
+                    ^
+.tmp.cpp:1:8: note: declared here
+struct S
+       ^
+.tmp.cpp:24:27: error: expected '(' for function-style cast or type construction
+T<int> arr3[3][2] = T<int>[3][2]();
+                    ~~~~~~^
+2 errors generated.

tests/Issue404.cpp

@@ -0,0 +1,6 @@
+struct S {};
+template<typename> struct T {};
+
+   int arr1[3][2];
+     S arr2[3][2];
+T<int> arr3[3][2];

tests/Issue404.expect

@@ -0,0 +1,25 @@
+struct S
+{
+  // inline constexpr S() noexcept = default;
+};
+
+
+template<typename> struct T {};
+
+/* First instantiated from: Issue404.cpp:6 */
+#ifdef INSIGHTS_USE_TEMPLATE
+template<>
+struct T<int>
+{
+  // inline constexpr T() noexcept = default;
+};
+
+#endif
+
+
+   int arr1[3][2];
+
+     S arr2[3][2] = S [3][2]();
+
+T<int> arr3[3][2] = T<int>[3][2]();
+