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This replaces ctype.h with CharacterType.h everywhere I could find
issues with narrowing conversions. While using it will probably make
sense almost everywhere in the future, the most critical places should
have been addressed.
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This patch replaces ad-hoc generation of file URL strings with using
URL::create_with_file_scheme().
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They were sorta unneeded. :^)
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This setting can be controlled by setting the
PROGRAMS_ALLOWED_TO_MODIFY_DEFAULT_TERMIOS _local_ shell variable to a
list containing such programs.
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FD_CLOEXEC is a file descriptor flag, so one must use F_{G,S}ETFD
instead.
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...and make it an enum class so people don't omit "OpenMode".
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This patch adds a new flag called history_dirty to Line::Editor that is
set when history is added to but written. Applications can leverage
this flag to write history only when it changes. This patch adds an
example usage of this functionality to Shell, which will now only save
the history when it is dirty.
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...and set it to 10 seconds by default.
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Instead of the previous only-escape-with-backslashes, extend the
escaping to one of:
- No escape
- Escape with backslash
- Escape with "\xhh" if control character that isn't easily represented
as \X
- Escape with "\uhhhhhhhh" if unicode character that is too big to
represent as "\xhh".
Fixes #6986.
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This commit makes the shell:
- highlight executables in the current directory as invalid, unless an
explicit `./' is given (so, `./foo` isn't red, but `foo` is)
- not suggest executables in the current directory unless explicitly
requested (by prepending `./`)
- not attempt to run an executable in the current directory that has
been invoked as a program name and failed execvp().
Note that `./foo` is still executed because it's not invoked as
a name, but rather as a path.
Fixes the other half of #6774.
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This bit of code was kept unmodified since it was first implemented,
and I'm not entirely convinced that it ever actually worked :P
This commit updates the code to use "modern" classes and constructs,
and fixes an issue where the shebang would still contain the '#!'
when it was passed to execvp().
Fixes #6774.
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We had some inconsistencies before:
- Sometimes "The", sometimes "the"
- Sometimes trailing ".", sometimes no trailing "."
I picked the most common one (lowecase "the", trailing ".") and applied
it to all copyright headers.
By using the exact same string everywhere we can ensure nothing gets
missed during a global search (and replace), and that these
inconsistencies are not spread any further (as copyright headers are
commonly copied to new files).
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Fixes #6578.
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This makes it more symmetrical with adopt_own() (which is used to
create a NonnullOwnPtr from the result of a naked new.)
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SPDX License Identifiers are a more compact / standardized
way of representing file license information.
See: https://spdx.dev/resources/use/#identifiers
This was done with the `ambr` search and replace tool.
ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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program name
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We intentionally skimp out on checking isatty() before them to cut down
on syscalls, so we should also accept the errors and just let them be.
Closes #6471.
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This fixes `fg` and `bg` causing the shell to go into an infinite loop
of trying to `waitpid` until some current job changes state.
a.k.a. "Fix Shell backgrounding, yet again!" :P
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Now a variable may have an optional slice (only _one_ slice), which can
also use negative indices to index from the end.
This works on both lists and strings.
The contents of the slice have the same semantics as brace expansions.
For example:
```sh
$ x=(1 2 3 4 5 6)
$ echo $x[1..3] # select indices 1, 2, 3
2 3 4
$ echo $x[3,4,1,0] # select indices 3, 4, 1, 0 (in that order)
4 5 2 1
$ x="Well Hello Friends!"
$ echo $x[5..9]
Hello
```
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As of a0506cb39e9b1cf67c454a2ccc9473b8cbcd5cd0, this is no longer
needed to write to stdout.
Fixes #5776.
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Good-bye LogStream. Long live AK::Format!
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It _may_ return nullptr if there's nothing to return.
Fixes #5691.
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This commit adds a few basic variable substitution operations:
- length
Find the length of a string or a list
- length_across
Find the lengths of things inside a list
- remove_{suffix,prefix}
Remove a suffix or a prefix from all the passed values
- regex_replace
Replace all matches of a given regex with a given template
- split
Split the given string with the given delimiter (or to its
code points if the delimiter is empty)
- concat_lists
concatenates any given lists into one
Closes #4316 (the ancient version of this same feature)
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That makes no sense!
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Otherwise functions would be highlighted as missing.
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Non-interactive shells (i.e. when running scripts) do not need this
functionality, so they are a boatload of wasted time.
This significantly reduces the script startup and shutdown times when
there are lots of executables in PATH or lots of entries in the history.
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This hashmap is no longer necessary, and the shell works just fine
without it now. Remove the conditionally compiled code.
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(...and ASSERT_NOT_REACHED => VERIFY_NOT_REACHED)
Since all of these checks are done in release builds as well,
let's rename them to VERIFY to prevent confusion, as everyone is
used to assertions being compiled out in release.
We can introduce a new ASSERT macro that is specifically for debug
checks, but I'm doing this wholesale conversion first since we've
accumulated thousands of these already, and it's not immediately
obvious which ones are suitable for ASSERT.
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Thanks to @trflynn89 for the neat implicit consteval ctor trick!
This allows us to basically slap `CheckedFormatString` on any
formatting function, and have its format argument checked at compiletime.
Note that there is a validator bug where it doesn't parse inner replaced
fields like `{:~>{}}` correctly (what should be 'left align with next
argument as size' is parsed as `{:~>{` following a literal closing
brace), so the compiletime checks are disabled on these temporarily by
forcing them to be StringViews.
This commit also removes the now unused `AK::StringLiteral` type (which
was introduced for use with NTTP strings).
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It would be tempting to uncomment these statements, but that won't work
with the new changes.
This was done with the following commands:
find . \( -name '*.cpp' -o -name '*.h' -o -name '*.in' \) -not -path './Toolchain/*' -not -path './Build/*' -exec awk -i inplace '$0 !~ /\/\/#define/ { if (!toggle) { print; } else { toggle = !toggle } } ; $0 ~/\/\/#define/ { toggle = 1 }' {} \;
find . \( -name '*.cpp' -o -name '*.h' -o -name '*.in' \) -not -path './Toolchain/*' -not -path './Build/*' -exec awk -i inplace '$0 !~ /\/\/ #define/ { if (!toggle) { print; } else { toggle = !toggle } } ; $0 ~/\/\/ #define/ { toggle = 1 }' {} \;
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This patch makes `Shell::block_on_job()` pump the event loop while the
job it's waiting for hasn't finished.
As this no longer pushes new event loops, it has the effect of
flattening the stack as well.
Fixes #4976.
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That function is allowed to be given a dead job, so don't bother with
perror()
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This makes it possible to actually put them in a sequence and cast them
to commands.
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Closes #4888
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Fixes #4905
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