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Previously, all Markdown blocks had a virtual parse method which has
been swapped out for a static parse method returning an OwnPtr of
that block's type.
The Text class also now has a static parse method that will return an
Optional<Text>.
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Markdown documents are now obtained via the static Document::parse
method, which returns a RefPtr<Document>, or nullptr on failure.
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This makes it possible to change flags of a mount after the fact, with the
caveats outlined in the man page.
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The key is now called "source" instead of "device".
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This widget doesn't just view HTML, it views a web page. :^)
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Adds the ability for a scope (either a function or the entire program)
to be in strict mode. Scopes default to non-strict mode.
There are two ways to determine the strict-ness of the JS engine:
1. In the parser, this can be accessed with the parser_state variable
m_is_strict_mode boolean. If true, the Parser is currently parsing in
strict mode. This is done so that the Parser can generate syntax
errors at parse time, which is required in some cases.
2. With Interpreter.is_strict_mode(). This allows strict mode checking
at runtime as opposed to compile time.
Additionally, in order to test this, a global isStrictMode() function
has been added to the JS ReplObject under the test-mode flag.
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This patch adds an IndexedProperties object for storing indexed
properties within an Object. This accomplishes two goals: indexed
properties now have an associated descriptor, and objects now gracefully
handle sparse properties.
The IndexedProperties class is a wrapper around two other classes, one
for simple indexed properties storage, and one for general indexed
property storage. Simple indexed property storage is the common-case,
and is simply a vector of properties which all have attributes of
default_attributes (writable, enumerable, and configurable).
General indexed property storage is for a collection of indexed
properties where EITHER one or more properties have attributes other
than default_attributes OR there is a property with a large index (in
particular, large is '200' or higher).
Indexed properties are now treated relatively the same as storage within
the various Object methods. Additionally, there is a custom iterator
class for IndexedProperties which makes iteration easy. The iterator
skips empty values by default, but can be configured otherwise.
Likewise, it evaluates getters by default, but can be set not to.
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We still don't handle non-ASCII input correctly, but at least now we'll
convert e.g ISO-8859-1 to UTF-8 before starting to tokenize.
This patch also makes "view source" work with the new parser. :^)
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This adds a basic implementation of xargs.
The implemenation is missing quite a few options, and is not entirely
POSIX-compliant, but it gets the job done :^)
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Previously, the Object class had many different types of functions for
each action. For example: get_by_index, get(PropertyName),
get(FlyString). This is a bit verbose, so these methods have been
shortened to simply use the PropertyName structure. The methods then
internally call _by_index if necessary. Note that the _by_index
have been made private to enforce this change.
Secondly, a clear distinction has been made between "putting" and
"defining" an object property. "Putting" should mean modifying a
(potentially) already existing property. This is akin to doing "a.b =
'foo'".
This implies two things about put operations:
- They will search the prototype chain for setters and call them, if
necessary.
- If no property exists with a particular key, the put operation
should create a new property with the default attributes
(configurable, writable, and enumerable).
In contrast, "defining" a property should completely overwrite any
existing value without calling setters (if that property is
configurable, of course).
Thus, all of the many JS objects have had any "put" calls changed to
"define_property" calls. Additionally, "put_native_function" and
"put_native_property" have had their "put" replaced with "define".
Finally, "put_own_property" has been made private, as all necessary
functionality should be exposed with the put and define_property
methods.
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This commit changes LibLine's internal structure to work in an event
loop, and as a result, also switches it to being a Core::Object.
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- initializing m_line_column to 1 in the lexer results in incorrect
column values in tokens on the first line of input.
- not incrementing m_line_column when EOF is reached results in
an incorrect column value on the last token.
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And move canonicalized_path() to a static method on LexicalPath.
This is to make it clear that FileSystemPath/canonicalized_path() only
perform *lexical* canonicalization.
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* In some cases, we can first call sigaction()/signal(), then *not* pledge
sigaction.
* In other cases, we pledge sigaction at first, call sigaction()/signal()
second, then pledge again, this time without sigaction.
* In yet other cases, we keep the sigaction pledge. I suppose these could all be
migrated to drop it or not pledge it at all, if somebody is interested in
doing that.
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This fixes a bunch of FIXME's in LibLine.
Also handles the case where read() would read zero bytes in vt_dsr() and
effectively block forever by erroring out.
Fixes #2370
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This is still very unfinished, but there's at least a skeleton of code.
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The parser can now switch the state of the tokenizer! Very webby. :^)
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This patch adds a new HTMLDocumentParser class. It keeps a tokenizer
object internally and feeds itself with one token at a time from it.
The names and idioms in this class are expressed as closely to the
actual HTML parsing spec as possible, to make development as easy
and bug free as possible. :^)
This is going to become pretty large, but it's pretty cool!
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Now that ssize_t is derived from size_t, we have to
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against
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In order to actually view the web as it is, we're gonna need a proper
HTML parser. So let's build one!
This patch introduces the Web::HTMLTokenizer class, which currently
operates on a StringView input stream where it fetches (ASCII only atm)
codepoints and tokenizes acccording to the HTML spec tokenization algo.
The tokenizer state machine looks a bit weird but is written in a way
that tries to mimic the spec as closely as possible, in order to make
development easier and bugs less likely.
This initial version is far from finished, but it can parse a trivial
document with a DOCTYPE and open/close tags. :^)
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This reverts commit c1eb744ff0a82cf6c8e3470ac10e2f417c7d9de2.
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LibLine should ultimately not care about what a "token" means in the
context of its user, so force the user to split the buffer itself.
This also allows the users to pick up contextual clues as well, since
they have to lex the line themselves.
This commit pacthes Shell and the JS repl to better handle completions,
so certain wrong behaviours are now corrected as well:
- JS repl can now complete "Object . getOw<tab>"
- Shell can now complete "echo | ca<tab>" and paths inside strings
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Make sure that userspace is always referencing "system" headers in a way
that would build on target :). This means removing the explicit
include_directories of Libraries/LibC in favor of having it export its
headers as SYSTEM. Also remove a redundant include_directories of
Libraries in the 'serenity build' part of the build script. It's already
set at the top.
This causes issues for the Kernel, and for crt0.o. These special cases
are handled individually.
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Use string.h instead, since that's part of serenity :)
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This commit also fixes a problem with us throwing out data that was
inserted while a command was running.
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This patch is unfortunately rather large and might make some things feel
bloated, but it is necessary to fix a few flaws in LibJS, primarily
blindly coercing values to numbers without exception checks - i.e.
interpreter.argument(0).to_i32(); // can fail!!!
Some examples where the interpreter would actually crash:
var o = { toString: () => { throw Error() } };
+o;
o - 1;
"foo".charAt(o);
"bar".repeat(o);
To fix this, we now have the following...
to_double(Interpreter&)
to_i32()
to_i32(Interpreter&)
to_size_t()
to_size_t(Interpreter&)
...and a whole lot of exception checking.
There's intentionally no to_double(), use as_double() directly instead.
This way we still can use these convenient utility functions but don't
need to check for exceptions if we are sure the value already is a
number.
Fixes #2267.
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Passing a Heap& to it only to then call interpreter() on that is weird.
Let's just give it the Interpreter& directly, like some of the other
to_something() functions.
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You can now have emojis in file names and they will line up correctly
in "ls" output.
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This was supposed to be the foundation for some kind of pre-kernel
environment, but nobody is working on it right now, so let's move
everything back into the kernel and remove all the confusion.
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We will now actually use MIME types for clipboard. The default type is now
"text/plain" (instead of just "text").
This also fixes some issues in copy(1) and paste(1).
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There are now two API's on Value:
- Value::to_string(Interpreter&) -- may throw.
- Value::to_string_without_side_effects() -- will never throw.
These are some pretty big sweeping changes, so it's possible that I did
some part the wrong way. We'll work it out as we go. :^)
Fixes #2123.
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Giving the lexer the ability to generate errors adds unnecessary
complexity - also it only calls its syntax_error() function in one place
anyway ("unterminated string literal"). But since the lexer *also* emits
tokens like Eof or UnterminatedStringLiteral, it should be up to the
consumer of these tokens to decide what to do.
Also remove the option to not print errors to stderr as that's not
relevant anymore.
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We can't talk to IPC servers without having an event loop.
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Closes https://github.com/SerenityOS/serenity/issues/2080
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This also patches Userland/js.
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The unzip command will unzip a zip file passed as an argument into the
current pwd, with the syntax:
unzip file.zip
This implementation is pretty barebones as it does not support things
like file access times, compression or even compression detection, so
if the user tries to unzip a compressed zip most probably he would find
wrong data inside the files.
However it's an starting point :^)
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