qmllint: Warn about duplicate inline components

Fixes: QTBUG-126715
Task-number: QTBUG-129307
Change-Id: I739587bf6d44131d9a0bdcec4df60ab3f53e1a12
Reviewed-by: Sami Shalayel <[email protected]>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/qmlcompiler/qqmljsimportvisitor.cpp b/src/qmlcompiler/qqmljsimportvisitor.cpp
index df5d9cd5ab..8233aa1e61 100644
--- a/src/qmlcompiler/qqmljsimportvisitor.cpp
+++ b/src/qmlcompiler/qqmljsimportvisitor.cpp
@@ -1750,6 +1750,17 @@ bool QQmlJSImportVisitor::visit(UiInlineComponent *component)
         return true;
     }
 
+    const auto it = m_seenInlineComponents.constFind(component->name);
+    if (it != m_seenInlineComponents.cend()) {
+        m_logger->log("Duplicate inline component '%1'"_L1.arg(it.key()),
+                      qmlDuplicateInlineComponent, component->firstSourceLocation());
+        m_logger->log("Note: previous component named '%1' here"_L1.arg(it.key()),
+                      qmlDuplicateInlineComponent, it.value(), true, true, {}, {},
+                      component->firstSourceLocation().startLine);
+    } else {
+        m_seenInlineComponents[component->name] = component->firstSourceLocation();
+    }
+
     m_nextIsInlineComponent = true;
     m_currentRootName = component->name.toString();
     return true;