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* Bump LibSass@3.5.3 See https://github.com/sass/libsass/releases/tag/3.5.3 * Workaround sass-spec A patch landed in sass-spec that is not compatible with 3.5.
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| LibSass - Sass compiler written in C++ | ||
| ====================================== | ||
| Welcome to the LibSass documentation! | ||
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| Currently maintained by Marcel Greter ([@mgreter]) and Michael Mifsud ([@xzyfer]) | ||
| Originally created by Aaron Leung ([@akhleung]) and Hampton Catlin ([@hcatlin]) | ||
| ## First Off | ||
| LibSass is just a library. To run the code locally (i.e. to compile your stylesheets), you need an implementer. SassC (get it?) is an implementer written in C. There are a number of other implementations of LibSass - for example Node. We encourage you to write your own port - the whole point of LibSass is that we want to bring Sass to many other languages, not just Ruby! | ||
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| [](https://travis-ci.org/sass/libsass "Travis CI") | ||
| [](https://ci.appveyor.com/project/sass/libsass/branch/master "Appveyor CI") | ||
| [](https://coveralls.io/r/sass/libsass?branch=feature%2Ftest-travis-ci-3 "Code coverage of spec tests") | ||
| [](http://isitmaintained.com/project/sass/libsass "Percentage of issues still open") | ||
| [](http://isitmaintained.com/project/sass/libsass "Average time to resolve an issue") | ||
| [](https://www.bountysource.com/trackers/283068-libsass?utm_source=283068&utm_medium=shield&utm_campaign=TRACKER_BADGE "Bountysource") | ||
| [](https://libsass-slack.herokuapp.com/ "Slack communication channels") | ||
| We're working hard on moving to full parity with Ruby Sass... learn more at the [The-LibSass-Compatibility-Plan](compatibility-plan.md)! | ||
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| ### Implementing LibSass | ||
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| [LibSass](https://github.com/sass/libsass "LibSass GitHub Project") is just a library! | ||
| If you want to use LibSass to compile Sass, you need an implementer. Some | ||
| implementations are only bindings into other programming languages. But most also | ||
| ship with a command line interface (CLI) you can use directly. There is also | ||
| [SassC](https://github.com/sass/sassc), which is the official lightweight | ||
| CLI tool built by the same people as LibSass. | ||
| If you're interested in implementing LibSass in your own project see the [API Documentation](api-doc.md) which now includes implementing | ||
| your own [Sass functions](api-function.md). You may wish to [look at other implementations](implementations.md) for your language of choice. | ||
| Or make your own! | ||
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| ### Excerpt of "sanctioned" implementations: | ||
| ### Contributing to LibSass | ||
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| - https://github.com/sass/node-sass (Node.js) | ||
| - https://github.com/sass/perl-libsass (Perl) | ||
| - https://github.com/sass/libsass-python (Python) | ||
| - https://github.com/wellington/go-libsass (Go) | ||
| - https://github.com/sass/sassc-ruby (Ruby) | ||
| - https://github.com/sass/libsass-net (C#) | ||
| - https://github.com/medialize/sass.js (JS) | ||
| - https://github.com/bit3/jsass (Java) | ||
| | Issue Tracker | Issue Triage | Community Guidelines | | ||
| |-------------------|----------------------------------|-----------------------------| | ||
| | We're always needing help, so check out our issue tracker, help some people out, and read our article on [Contributing](contributing.md)! It's got all the details on what to do! | To help understand the process of triaging bugs, have a look at our [Issue-Triage](triage.md) document. | Oh, and don't forget we always follow [[Sass Community Guidelines|http://sass-lang.com/community-guidelines]]. Be nice and everyone else will be nice too! | | ||
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| This list does not say anything about the quality of either the listed or not listed [implementations](docs/implementations.md)! | ||
| The authors of the listed projects above are just known to work regularly together with LibSass developers. | ||
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| About | ||
| ----- | ||
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| LibSass is a C++ port of the original Ruby Sass CSS compiler with a [C API](docs/api-doc.md). | ||
| We coded LibSass with portability and efficiency in mind. You can expect LibSass to be a lot | ||
| faster than Ruby Sass and on par or faster than the best alternative CSS compilers around. | ||
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| Developing | ||
| ---------- | ||
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| As noted above, the LibSass repository does not contain any binaries or other way to execute | ||
| LibSass. Therefore, you need an implementer to develop LibSass. Easiest is to start with | ||
| the official [SassC](http://github.com/sass/sassc) CLI wrapper. It is *guaranteed* to compile | ||
| with the latest code in LibSass master, since it is also used in the CI process. There is no | ||
| limitation here, as you may use any other LibSass implementer to test your LibSass branch! | ||
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| Testing | ||
| ------- | ||
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| Since LibSass is a pure library, tests are run through the [Sass-Spec](https://github.com/sass/sass-spec) | ||
| project using the [SassC](http://github.com/sass/sassc) CLI wrapper. To run the tests against LibSass while | ||
| developing, you can run `./script/spec`. This will clone SassC and Sass-Spec under the project folder and | ||
| then run the Sass-Spec test suite. You may want to update the clones to ensure you have the latest version. | ||
| Note that the scripts in the `./script` folder are mainly intended for our CI needs. | ||
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| Building | ||
| -------- | ||
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| To build LibSass you need GCC 4.6+ or Clang/LLVM. If your OS is older, you may need to upgrade | ||
| them first (or install clang as an alternative). On Windows, you need MinGW with GCC 4.6+ or VS 2013 | ||
| Update 4+. It is also possible to build LibSass with Clang/LLVM on Windows with various build chains | ||
| and/or command line interpreters. | ||
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| See the [build docs for further instructions](docs/build.md)! | ||
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| Compatibility | ||
| ------------- | ||
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| Current LibSass 3.4 should be compatible with Sass 3.4. Please refer to the [sass compatibility | ||
| page](http://sass-compatibility.github.io/) for a more detailed comparison. But note that there | ||
| are still a few incomplete edges which we are aware of. Otherwise LibSass has reached a good level | ||
| of stability, thanks to our ever growing [Sass-Spec test suite](https://github.com/sass/sass-spec). | ||
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| About Sass | ||
| ---------- | ||
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| Sass is a CSS pre-processor language to add on exciting, new, awesome features to CSS. Sass was | ||
| the first language of its kind and by far the most mature and up to date codebase. | ||
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| Sass was originally conceived of by the co-creator of this library, Hampton Catlin ([@hcatlin]). | ||
| Most of the language has been the result of years of work by Natalie Weizenbaum ([@nex3]) and | ||
| Chris Eppstein ([@chriseppstein]). | ||
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| For more information about Sass itself, please visit http://sass-lang.com | ||
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| Initial development of LibSass by Aaron Leung and Hampton Catlin was supported by [Moovweb](http://www.moovweb.com). | ||
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| Licensing | ||
| --------- | ||
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| Our [MIT license](LICENSE) is designed to be as simple and liberal as possible. | ||
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| [@hcatlin]: https://github.com/hcatlin | ||
| [@akhleung]: https://github.com/akhleung | ||
| [@chriseppstein]: https://github.com/chriseppstein | ||
| [@nex3]: https://github.com/nex3 | ||
| [@mgreter]: https://github.com/mgreter | ||
| [@xzyfer]: https://github.com/xzyfer | ||
| Please refer to the steps on [Building LibSass](build.md) |
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| ## Example main.c | ||
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| ```C | ||
| #include <stdio.h> | ||
| #include "sass/context.h" | ||
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| int main( int argc, const char* argv[] ) | ||
| { | ||
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| // get the input file from first argument or use default | ||
| const char* input = argc > 1 ? argv[1] : "styles.scss"; | ||
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| // create the file context and get all related structs | ||
| struct Sass_File_Context* file_ctx = sass_make_file_context(input); | ||
| struct Sass_Context* ctx = sass_file_context_get_context(file_ctx); | ||
| struct Sass_Options* ctx_opt = sass_context_get_options(ctx); | ||
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| // configure some options ... | ||
| sass_option_set_precision(ctx_opt, 10); | ||
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| // context is set up, call the compile step now | ||
| int status = sass_compile_file_context(file_ctx); | ||
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| // print the result or the error to the stdout | ||
| if (status == 0) puts(sass_context_get_output_string(ctx)); | ||
| else puts(sass_context_get_error_message(ctx)); | ||
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| // release allocated memory | ||
| sass_delete_file_context(file_ctx); | ||
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| // exit status | ||
| return status; | ||
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| } | ||
| ``` | ||
| ### Compile main.c | ||
| ```bash | ||
| gcc -c main.c -o main.o | ||
| gcc -o sample main.o -lsass | ||
| echo "foo { margin: 21px * 2; }" > foo.scss | ||
| ./sample foo.scss => "foo { margin: 42px }" | ||
| ``` | ||
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