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authorDan Sinclair <dsinclair@chromium.org>2018-05-17 17:44:32 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-05-17 17:44:32 +0000
commitd99d5e3a34e18a771d62d449f379cb65bb54eee1 (patch)
tree86190fd68491964507f4ed3cfe0ab2fddf16e26e /xfa/fxfa/parser/cxfa_document.cpp
parent3689975377feb92a84488cd51b1cb30c818e3d55 (diff)
downloadpdfium-d99d5e3a34e18a771d62d449f379cb65bb54eee1.tar.xz
Add comment about cleaning binding nodes
The reason for calling ReleaseBindingNodes() has changed but the code comment hadn't. This CL updates the code comment to make it clearer why this release has to happen. Change-Id: I0c08c7580ef7c8508cd4db7b8930d5f2cd595b1b Reviewed-on: https://pdfium-review.googlesource.com/32690 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Diffstat (limited to 'xfa/fxfa/parser/cxfa_document.cpp')
-rw-r--r--xfa/fxfa/parser/cxfa_document.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/xfa/fxfa/parser/cxfa_document.cpp b/xfa/fxfa/parser/cxfa_document.cpp
index 4ed337019b..5c4b55776a 100644
--- a/xfa/fxfa/parser/cxfa_document.cpp
+++ b/xfa/fxfa/parser/cxfa_document.cpp
@@ -1283,7 +1283,9 @@ CXFA_Document::CXFA_Document(CXFA_FFNotify* notify)
m_dwDocFlags(0) {}
CXFA_Document::~CXFA_Document() {
- // Remove all the bindings before freeing the node as the ownership is wonky.
+ // The destruction order of the nodes is not known because they're stored in a
+ // list in the document. Therefore. the binding nodes must be released before
+ // freeing the nodes to avoid dangling UnownedPtrs.
if (m_pRootNode)
m_pRootNode->ReleaseBindingNodes();
}