It's a sub-class of nsAtom, useful for cases where you know you are dealing
exclusively with static atoms. The nice thing about it is that you can use
raw nsStaticAtom pointers instead of RefPtr<>. (In fact, the AddRef/Release
implementations ensure that we'll crash if we use RefPtr<nsStaticAtom>.)
MozReview-Commit-ID: 4Q6QHX5h44V
--HG--
extra : rebase_source : e4237f85b4821b684db0ef84d1f9c5e17cdee428
There are four things that must be provided for every static atom, two of which
have a macro:
- the atom pointer declaration (no macro);
- the atom pointer definition (no macro);
- the atom char buffer (NS_STATIC_ATOM_BUFFER);
- the StaticAtomSetup struct (NS_STATIC_ATOM_SETUP).
This patch introduces new macros for the first two things: NS_STATIC_ATOM_DECL
and NS_STATIC_ATOM_DEFN, and changes the arguments of the existing two macros
to make them easier to use (e.g. all the '##' concatenation now happens within
the macros).
One consequence of the change is that all static atoms must be within a class,
so the patch adds a couple of classes where necessary (DefaultAtoms, TSAtoms).
The patch also adds a big comment explaining how the macros are used, and what
their expansion looks like. This makes it a lot easier to understand how static
atoms work. Correspondingly, the patch removes some small comments scattered
around the macro use points.
MozReview-Commit-ID: wpRyrEOTHE
--HG--
extra : rebase_source : 9f85d477b4d06c9a9e710c757de1f1476edb6efe
Because it's the type we use to set up static atoms at startup, not the static
atom itself.
The patch accordingly renames some parameters, variables, and NS_STATIC_ATOM,
for consistency.
MozReview-Commit-ID: 1a0KvhYNNw2
--HG--
extra : rebase_source : 5c66e5b2dfe053a368bf3584d957198aec4cce91
Currently nsAtom::mString points to the interior of an nsStringBuffer. For
static atoms this requires the use of nsFakeStringBuffer, which is pretty
gross.
This patch changes things so that nsAtom::mString points to a static char
buffer for static atoms. This simplifies a number of things:
- nsFakeStringBuffer and CheckStaticAtomSizes are no longer needed.
- FakeBufferRefCountHelper is no longer needed.
- nsAtom's constructor for static atoms is simpler.
- RegisterStaticAtoms() is simpler.
On the flip-side, a couple of things get more complicated.
- nsAtom::ToString() treats static and dynamic atoms differently.
- nsAtom::GetStringBuffer() is now only valid for dynamic atoms. This
function is only used in two places, both involving DOMString, so those
locations are updated appropriately. This also requires updating some other
code assigning nsStrings to DOMStrings, because we can't assume that
nsStrings are shared.
On Linux64 this change reduces the size of the binary by 8752 B, and moves
81968 B from the .data to the .rodata section, where it can be shared between
processes.
--HG--
extra : rebase_source : 0f6fcdec1c525aa66222e208b66a9f9026f69bcb
(Path is actually r=froydnj.)
Bug 1400459 devirtualized nsIAtom so that it is no longer a subclass of
nsISupports. This means that nsAtom is now a better name for it than nsIAtom.
MozReview-Commit-ID: 91U22X2NydP
--HG--
rename : xpcom/ds/nsIAtom.h => xpcom/ds/nsAtom.h
extra : rebase_source : ac3e904a21b8b48e74534fff964f1623ee937c67
This patch merges nsAtom into nsIAtom. For the moment, both names can be used
interchangeably due to a typedef. The patch also devirtualizes nsIAtom, by
making it not inherit from nsISupports, removing NS_DECL_NSIATOM, and dropping
the use of NS_IMETHOD_. It also removes nsIAtom's IIDs.
These changes trigger knock-on changes throughout the codebase, changing the
types of lots of things as follows.
- nsCOMPtr<nsIAtom> --> RefPtr<nsIAtom>
- nsCOMArray<nsIAtom> --> nsTArray<RefPtr<nsIAtom>>
- Count() --> Length()
- ObjectAt() --> ElementAt()
- AppendObject() --> AppendElement()
- RemoveObjectAt() --> RemoveElementAt()
- ns*Hashtable<nsISupportsHashKey, ...> -->
ns*Hashtable<nsRefPtrHashKey<nsIAtom>, ...>
- nsInterfaceHashtable<T, nsIAtom> --> nsRefPtrHashtable<T, nsIAtom>
- This requires adding a Get() method to nsRefPtrHashtable that it lacks but
nsInterfaceHashtable has.
- nsCOMPtr<nsIMutableArray> --> nsTArray<RefPtr<nsIAtom>>
- nsArrayBase::Create() --> nsTArray()
- GetLength() --> Length()
- do_QueryElementAt() --> operator[]
The patch also has some changes to Rust code that manipulates nsIAtom.
MozReview-Commit-ID: DykOl8aEnUJ
--HG--
extra : rebase_source : 254404e318e94b4c93ec8d4081ff0f0fda8aa7d1
The HTML group constants in nsElementTable.cpp are only used for
nsHTMLElement::IsBlock(). This patch removes them and replaces
HTMLElement::mParentBits with a bool, mIsBlock.
The patch also inverts the sense of HTMLElement::mLeaf and renames it
mIsContainer, to match the sense of IsContainer().
Finally, the patch uses the pre-processor to use '____' instead of 'false' in
gHTMLElements. This makes it easier to read.
Note that IsBlock() has numerous disagreements with
https://developer.mozilla.org/en-US/docs/Web/HTML/Block-level_elements about
what constitutes a block element, but I have preserved the existing behaviour.
--HG--
extra : rebase_source : ff5ab71fdb2665fda296c0fbb712641151a7b003
This patch splits out most of nsHTMLElement into a new type HTMLElement within
nsElementTable.cpp. Only the static methods IsContainer() and IsBlock() need to
remain exposed via nsHTMLElement. The patch moves TestBits() into
nsElementTable.cpp as well.
--HG--
extra : rebase_source : ca19d9e3af1f4b1f352af82f985190744c4b715b
It a stateless wrapper around static methods in nsHTMLTags and nsHTMLElement,
and hence an unnecessary layer of indirection that just adds complexity and
slowness. This patch removes it, cutting almost 300 lines of code.
This requires making nsElementTable.h an exported header, to expose the
nsHTMLElement methods.
--HG--
extra : rebase_source : abbcb8e5001389affbf717092213b898673db07f
The patch uses the nsParserService method names (minus the "HTML" prefix)
because they are more descriptive. This will make it easier to replace
nsParserService method calls with nsHTMLTags method calls.
The patch also adds nsHTMLTags::AtomTagToId(), to match up with
nsParserService::HTMLAtomTagToId().
--HG--
extra : rebase_source : 278c53a0787a928de9477dd30a5fd037791d7990
This patch does the following.
- Uses a macro to make gHTMLElements[] much more concise.
- Makes nsHTMLElement::mTagID a debug-only field, because it's only used in
assertions.
--HG--
extra : rebase_source : 8f3acb2d95820cd55e2e6d44f84fca689f468430
They're unused. This also means nsHTMLTags::Get{Atom,StringValue}() can be
removed.
--HG--
extra : rebase_source : f6538fe409c1a3bb22e5bc901c2ead37dd4f7eb0
This is straightforward, with only two notable things.
- `#include "nsXPIDLString.h" is replaced with `#include "nsString.h"`
throughout, because all nsXPIDLString.h did was include nsString.h. The
exception is for files which already include nsString.h, in which case the
patch just removes the nsXPIDLString.h inclusion.
- The patch removes the |xpidl_string| gtest, but improves the |voided| test to
cover some of its ground, e.g. testing Adopt(nullptr).
--HG--
extra : rebase_source : 452cc4a08046a1adb1a8099a7e85a1917de5add8
We should not be declaring forward declarations for nsString classes directly,
instead we should use nsStringFwd.h. This will make changing the underlying
types easier.
--HG--
extra : rebase_source : b2c7554e8632f078167ff2f609392e63a136c299
This removes about 2/3 of the occurrences of nsXPIDLString in the tree. The
places where nsXPIDLStrings are null-checked are replaced with |rv| checks.
The patch also removes a couple of unused declarations from
nsIStringBundle.idl.
Note that nsStringBundle::GetStringFromNameHelper() was merged into
GetStringFromName(), because they both would have had the same signature.
--HG--
extra : rebase_source : ac40bc31c2a4997f2db0bd5069cc008757a2df6d
Removes applet tag interfaces, and changes HTML5 parser to output
HTMLUnknownElement when tag is found. Removes tag process from various
places in the browser.
MozReview-Commit-ID: 2zHhK2U2esX
--HG--
extra : rebase_source : d06ecaffd1cb656301e29b900bafde4c68a4606e
We have a minimum requirement of VS 2015 for Windows builds, which supports
the z length modifier for format specifiers. So we don't need SizePrintfMacros.h
any more, and can just use %zu and friends directly everywhere.
MozReview-Commit-ID: 6s78RvPFMzv
--HG--
extra : rebase_source : 009ea39eb4dac1c927aa03e4f97d8ab673de8a0e
Most of the names passed to nsIStringBundle::{Get,Format}StringFromUTF8Name
have one of the two following forms:
- a 16-bit C string literal, which is then converted to an 8-bit string in
order for the lookup to occur;
- an 8-bit C string literal converted to a 16-bit string, which is then
converted back to an 8-bit string in order for the lookup to occur.
This patch introduces and uses alternative methods that can take an 8-bit C
string literal, which requires changing some signatures in other methods and
functions. It replaces all C++ uses of the old methods.
The patch also changes the existing {Get,Format}StringFromName() methods so
they take an AUTF8String argument for the name instead of a wstring, because
that's nicer for JS code.
Even though there is a method for C++ code and a different one for JS code,
|binaryname| is used so that the existing method names can be used for the
common case in both languages.
The change reduces the number of NS_ConvertUTF8toUTF16 and
NS_ConvertUTF16toUTF8 conversions while running Speedometer v2 from ~270,000 to
~160,000. (Most of these conversions involved the string
"deprecatedReferrerDirective" in nsCSPParser.cpp.)
--HG--
extra : rebase_source : 3bee57a501035f76a81230d95186f8c3f460ff8e
It's unused except in test code (nsTestEntityTable). The patch removes that
test code, which also removes testing for UnicodeToEntity conversion, but the
test code wasn't being run anyway so it's no great loss.
(UnicodeToEntity conversion is still used by
nsHTMLContentSerializer::AppendAndTranslateEntities().)
It's silly to use prmem.h within Firefox code given that in our configuration
its functions are just wrappers for malloc() et al. (Indeed, in some places we
mix PR_Malloc() with free(), or malloc() with PR_Free().)
This patch removes all uses, except for the places where we need to use
PR_Free() to free something allocated by another NSPR function; in those cases
I've added a comment explaining which function did the allocation.
--HG--
extra : rebase_source : 0f781bca68b5bf3c4c191e09e277dfc8becffa09
Joel Maher
Nicholas Nethercote
Andi-Bogdan Postelnicu
Olli Pettay
Sylvestre Ledru
Chung-Sheng Fu
Eric Rahm
Henri Sivonen
Sebastian Hengst
Christoph Kerschbaumer
Kyle Machulis
Carsten "Tomcat" Book
Kartikaya Gupta
Yoshi Huang
Ehsan Akhgari
Ryan VanderMeulen