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| author | Tom Sepez <tsepez@chromium.org> | 2018-05-31 21:42:53 +0000 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2018-05-31 21:42:53 +0000 |
| commit | 73659ee409ae4840c5019633a5c4000eececd7c0 (patch) | |
| tree | 1994040141336aa2a59f4809ca3011dfbbf080fe | |
| parent | 430fcb2955c48d0046518faea5afde91c5c0ce60 (diff) | |
| download | pdfium-73659ee409ae4840c5019633a5c4000eececd7c0.tar.xz | |
Update fxjs README
TBR=dsinclair@chromium.org
Change-Id: I6f2a4a4b39c38a1bcfcf817a5c2aa51414291ad9
Reviewed-on: https://pdfium-review.googlesource.com/33451
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
| -rw-r--r-- | fxjs/README | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fxjs/README b/fxjs/README index a38e746d4e..85c5edf79c 100644 --- a/fxjs/README +++ b/fxjs/README @@ -33,3 +33,11 @@ Slot 1's contents are determined by these tags: A FXJSE_CLASS_DESCRIPTOR pointer means to expect an actual v8 function object, and not an aligned pointer. +Because PDFium uses V8 for various unrelated purposes, there may be up to +four v8::Contexts (JS Global Objects) associated with each document. One is +used by FXJS and holds objects as described by the js_api_reference.pdf +specification. The others are used by FXJSE. + +FXJS requires that it can find itself whatever the current context might +be through a v8::Context's slot -- even if one of the FXJSE contexts is +current.
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