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We only ever use private futexes, so it doesn't make sense to carry
around all the complexity required for global (cross-process) futexes.
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The audio applet uses the user configuration file "AudioApplet.ini" to
persist its settings, currently only whether the audio percentage should
be shown.
Since the audio server now may have specific settings when it starts,
the audio applet respects them by reading these same settings once when
it starts. Therefore, the audio server settings are not immediately
overridden by the audio applet defaults, as was the case before this
change.
A minor change was done to the way that the audio volume is calculated;
doubles are now used.
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AudioServer loads its settings, currently volume and mute state, from a
user config file "Audio.ini". Additionally, the current settings are
stored every ten seconds, if necessary. This allows for persistent audio
settings in between boots.
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Also recognize additional white space characters.
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Since 'let' is a valid variable name (in non-strict mode) let may not be
the start of a declaration but just an identifier.
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Disallow default parameter for rest parameters.
Disallow yield expressions as default values.
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And disallow some cases where we are in a generator context.
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This is a small step in the right direction although the amount of
different checks is becoming unsustainable. In the future we probably
want to have the current_scope handle all declarations.
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This is not entirely correct as really Object- and ArrayExpressions are
not allowed but that requires a bigger refactoring of for statement
parsing.
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Also disallow duplicated labels.
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When computing sample values from a linear predictor, the repeated
multiplication and addition can lead to very large values that may
overflow a 32-bit integer. This was never discovered with 16-bit FLAC
test files used to create and validate the first version of the FLAC
loader. However, 24-bit audio, especially with large LPC shifts, will
regularly exceed and overflow i32. Therefore, we now use 64 bits
temporarily. If the resulting value is too large for 32 bits, something
else has gone wrong :^)
This fixes playback noise on 24-bit FLACs.
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The FLAC samples are signed, so we need to rescale them not by their bit
depth, but by half of the bit depth. For example, a 24-bit sample
extends from -2^23 to 2^23-1, and therefore needs to be rescaled by 2^23
to conform to the [-1, 1] double sample range.
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This is more idiomatic :^)
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We already include the inheritance for each property in Properties.json,
so made sense to use that instead of a list in StyleResolver.
Added `inherited: true` to a couple of properties to match the previous
code's behavior. One of those had a FIXME which I've moved to the JSON
file, which is hacky, but it works.
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Commands may be executed as a specific user by passing the user's UID to
the '-u' flag in pls.
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This adds the following cipher suites:
* DHE_RSA_WITH_AES_128_GCM_SHA256
* DHE_RSA_WITH_AES_256_GCM_SHA384
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This adds two methods, handle_dhe_rsa_server_key_exchange and
build_dhe_rsa_pre_master_secret, to TLSv12 and a struct,
server_diffie_hellman_params, to Context, which are used to implement
the DHE_RSA key exchange algorithm. This grants us the benefits of
forward secrecy and access to sites which support DHE_RSA.
It is worth noting that the signature of the server provided
Diffie-Hellman parameters is not currently validated. This will need to
be addressed to prevent man-in-the-middle attacks.
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We produce the import and export entries as per the spec. However we do
not yet verify that named things that are exported are declared
somewhere.
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In a module strict mode should be enabled at the start of parsing and we
allow import and export statements.
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When the selection state of the node is SelectionState::End, the end
position of the selection within the fragment is not properly
calculated, because it forgets to subtract m_start from index_in_node,
unlike SelectionState::StartAndEnd. This resulted in a wrong selection
shadow being painted when the node is at the end of the selection.
This change resolves #5880.
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This commit changes inline CSS loaded from style attributes of HTML
elements to be loaded as CSS::ElementInlineCSSStyleDeclaration instead
of CSS::CSSStyleDeclaration, fixing a crash when the style of that
element is changed from JavaScript.
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We are not using this for anything and it's just been sitting there
gathering dust for well over a year, so let's stop carrying all this
complexity around for no good reason.
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Currently, when we need to repeat an instruction N times, we simply add
that instruction N times in a for-loop. This doesn't scale well with
extremely large values of N, and ECMA-262 allows up to N = 2^53 - 1.
Instead, add a new REPEAT bytecode operation to defer this loop from the
parser to the runtime executor. This allows the parser to complete sans
any loops (for this instruction), and allows the executor to bail early
if the repeated bytecode fails.
Note: The templated ByteCode methods are to allow the Posix parsers to
continue using u32 because they are limited to N = 2^20.
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This struct holds a counter for the number of executed operations, and
vectors for matches, captures groups, and named capture groups. Each of
the vectors is unused. Remove the struct and just keep a separate
counter for the executed operations.
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Combining these into one list helps reduce the size of MatchState, and
as a result, reduces the amount of memory consumed during execution of
very large regex matches.
Doing this also allows us to remove a few regex byte code instructions:
ClearNamedCaptureGroup, SaveLeftNamedCaptureGroup, and NamedReference.
Named groups now behave the same as unnamed groups for these operations.
Note that SaveRightNamedCaptureGroup still exists to cache the matched
group name.
This also removes the recursion level from the MatchState, as it can
exist as a local variable in Matcher::execute instead.
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Before the BumpAllocator OOB access issue was understood and fixed, the
chunk size was increased to 8MiB as a workaround in commit:
27d555bab0d84913599cea3c4a6b0a0ed2a15b66.
The issue is now resolved by: 0f1425c895ace40fbb10d68a55eeb3a6354479d3.
We can reduce the chunk size to 2MiB, which has the added benefit of
reducing runtime of the RegExp.prototype.exec test.
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The grammar for the ECMA-262 CharacterEscape is:
CharacterEscape[U, N] ::
ControlEscape
c ControlLetter
0 [lookahead ∉ DecimalDigit]
HexEscapeSequence
RegExpUnicodeEscapeSequence[?U]
[~U]LegacyOctalEscapeSequence
IdentityEscape[?U, ?N]
It's important to parse the standalone "\0 [lookahead ∉ DecimalDigit]"
before parsing LegacyOctalEscapeSequence. Otherwise, all standalone "\0"
patterns are parsed as octal, which are disallowed in Unicode mode.
Further, LegacyOctalEscapeSequence should also be parsed while parsing
character classes.
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* Only alphabetic (A-Z, a-z) characters may be escaped with \c. The loop
currently parsing \c includes code points between the upper/lower case
groups.
* In Unicode mode, all invalid identity escapes should cause a parser
error, even in browser-extended mode.
* Avoid an infinite loop when parsing the pattern "\c" on its own.
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While typing, we get the results from each provider asynchronously.
Previously, we were updating the UI for each result size,
which was causing a lot of flickering.
This fix creates a small timer to bundle the results
and reduce the number of UI updates per input.
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