re2c | Lexer generator for C , C++ , Go and Rust | Generator Utils library
kandi X-RAY | re2c Summary
kandi X-RAY | re2c Summary
re2c is a free and open-source lexer generator for C/C++, Go and Rust. Its main goal is generating fast lexers: at least as fast as their reasonably optimized hand-coded counterparts. Instead of using traditional table-driven approach, re2c encodes the generated finite state automata directly in the form of conditional jumps and comparisons. The resulting programs are faster and often smaller than their table-driven analogues, and they are much easier to debug and understand. re2c applies quite a few optimizations in order to speed up and compress the generated code. Another distinctive feature is its flexible interface: instead of assuming a fixed program template, re2c lets the programmer write most of the interface code and adapt the generated lexer to any particular environment.
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Trending Discussions on re2c
QUESTION
I'm using Docker in a developement environment. I have two pc, both with same OS (kubuntu 20.04) and same docker version. In one the dockerfile build without errors, in the other fails with
...ANSWER
Answered 2021-Mar-10 at 12:34I would expect failures to happen sporadically and periodically with this dockerfile. Why? Because you haven't pinned the versions of the majority of tools you're installing. You implicitly install the latest version of a bunch of GNU/Linux libraries and then explicitly install the latest version of npm and you follow this up by using npm to install the latest version of a bunch of javascript modules. I can see that you pin the versions of some libs, but to guarantee repeatability you have to pin everything.
Also, as @Aankhen said in the comments, you also have a copy command that is copying files from the local filesystem, which could contain anything and again is unlikely to result in a portable repeatable image.
The solution to this is a) pin everything, or b) use a registry to share an image that has been built once and rely on a pinned version of that. Generally, banks and large corporations require the pinning solution, and less regulated industries often go with the registry solution.
QUESTION
I am using PHPUnit through PhpStorm with a remote interpreter from docker.
The Container is run through docker-compose
PHPUnit works. Xdebug works through the browser. In docker-php-ext-xdebug.ini
, I have all the mandatory options, and I can see in the CLI Interpreter Config
that PhpStorm does load this config.
BUT when I try to run PHPUnit with the debugger I get:
PhpStorm Debugger extension is not detected
CLI Interpreter Config:
DockerFile
...ANSWER
Answered 2020-Jul-27 at 12:37this will not work in your docker sicne the steps will be removed when running the container:
QUESTION
What is required to have docker-php-ext-...
commands available? I am creating an Alpine image
ANSWER
Answered 2020-Jul-13 at 15:18You are using vanilla alpine image.
docker-php-ext-*
commands exist only in php-alpine image
For example, replace your FROM
to something like:
QUESTION
I tried to install V8JS with this Dockerfile
...ANSWER
Answered 2020-Mar-30 at 16:39Edit: That should solve your issue (note that I am compiling it manually):
QUESTION
I am trying to create docker container, where I connect from PHP app to Oracle db. Here is Dockerfile I use:
...ANSWER
Answered 2020-Feb-06 at 21:44Look at Dockerfile & resources I gave in Install Oracle Instant client into Docker container for Python cx_Oracle which show how to work with Instant Client in Docker.
From the above references you might intuit the strong suggestion to use
ldconfig
instead of settingLD_LIBRARY_PATH
. The latter is prone to not being passed through to web servers.I don't know Nette, but I strongly doubt you should be using
jdbc:oracle:thin:@///
as the connect string. PHP is not Java, and a JDBC connection string would be odd. All Oracle's C-based drivers (PHP OCI8, PHP PDO_OCI, Python cx_Oracle, Node.js node-oracledb, etc) use a common connection string format, so you can look at those examples. On top of that you add the PDO prefix and/or whatever Nette needs. In pure PDO a connection would be done like$dbh = new PDO('oci:dbname=hostname/servicename', 'username', 'password');
with your actual hostname, servicename, username and password. I can see some Google hits for Nette and Oracle; I'll let you review them.If you can, use PHP OCI8 instead of PDO_OCI, since the former has more functionality and inbuilt features. I see some Google hits that seem to indicate OCI8 can be used; again I'll let you do the searching.
QUESTION
I want it to run apache in a docker container as the same user as the one I'm using on my host system. Thus I own the files on my host to edit them and apache (PHP) can create folders etc..
EDIT: I got the sed command to work with by changing it a little:
...ANSWER
Answered 2020-Jan-02 at 16:15You can verify the file is modified correctly by doing a grep:
QUESTION
I'm trying to install phalcon on xampp or MAMP on macOS
please tell me how to install correctly phalcon on MAMP(I get the same errors during installation on XAMPP)
i use this tutorial https://madebyextreme.com/insights/how-to-install-phalcon-php-framework-with-mamp-on-osx
please, help me! I use php 7.3.7
errors:
...ANSWER
Answered 2019-Dec-25 at 10:22Since version 4.0.0 Phalcon requires the PSR extension. The extension can be downloaded and compiled from this GitHub repository. Installation instructions are available on the README
file of the repository. Once the extension has been compiled and is available in your system, you will need to load it to your php.ini
. You will need to add this line:
QUESTION
I have php 7.3.4 installed on my macbook pro and I am trying to enable a php extension which composer requires (intl). I have enabled the extension intl in php.ini, to which I received an error message saying it can not be found - so I'm assuming this means I need to install it. I found a tutorial online on how to install the extensions (link at bottom), and I followed this.
At the stage where when I run sudo pecl install intl
, I receive an error;
make: *** [php_intl.lo] Error 1
ERROR: `make' failed
Does anyone have a solution?
...ANSWER
Answered 2019-Apr-19 at 18:54I’ve solved this myself by installing the extension with macports rather than pecl.
QUESTION
I have an unavoidable need to develop systems based on PHP 5.4. I am aware that this is well out of security updates, but it is what I have for now. I wish to create a PHP 5.4 Docker image for development purposes. Historically my team and I have been using a PHP 5.6 image based on Centos, since there are no 5.4 Centos images available.
Thus, I am trying to compile PHP 5.4. With a lot of trial and error, I have got it to compile PHP with minimal compiled-in extensions, and then with a bunch of dynamically loadable extensions on top. This means that my various downstream projects can select what extensions they need just by adding the right php.ini
extension commands.
Here is my Dockerfile
:
ANSWER
Answered 2019-Nov-27 at 17:23I finally fixed this.
In case it is helpful to record what did not work, I first noticed that I had a patch-level PHP version discrepancy. My production server is on 5.4.16, and I was building for 5.4.45. I adjusted that, confident that it would download the correct code to link with other libraries, only to find that it made no difference.
I then analysed how many version numbers I had to bump up in the pecl zip extension to get a next available stable version, which took me from zip-1.11.0 to zip-1.12.3. This compiled fine. It is not ideal, because my production server really does mix zip 1.11.0 with PHP 5.4.16, but no matter - we have been developing using 5.6 for around a year, even though we target 5.4 in production. Thus, the new image is still a substantial win, given that it takes us much closer to our live environment.
QUESTION
I'm in PHP 7.1.25 and mcrypt is the current extension used and mcrypt will be deprecated in PHP 7.2 and Libsodium will be added to the core extensions in PHP 7.2
Now I would need to try installing libsodium in PHP 7.1 and see how it works, Followed this https://lukasmestan.com/install-libsodium-extension-in-php7 but the installation failed. Updated PECL package as well. See the error below!
Any help would be really appreciated. Thanks in Advance!
...ANSWER
Answered 2019-Jul-01 at 12:35@VenkateshLB You have to install the libsodium provided by your linux distribution first.
CentOS 7:
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