89 lines
3.0 KiB
Markdown
89 lines
3.0 KiB
Markdown
<img width="500" src="https://raw.githubusercontent.com/picrin-scheme/picrin/master/etc/picrin-logo-fin01-02.png"></img>
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[](https://travis-ci.org/picrin-scheme/picrin)
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[](https://picrin.readthedocs.org/)
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Picrin is a lightweight scheme implementation intended to comply with full R7RS specification. Its code is written in pure C89 and does not require any special external libraries installed on the platform.
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## Documentation
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See http://picrin.readthedocs.org/
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## Homepage
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Currently picrin is hosted on Github. You can freely send a bug report or pull-request, and fork the repository.
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https://github.com/picrin-scheme/picrin
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## IRC
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There is a chat room on chat.freenode.org, channel #picrin. IRC logs here: https://botbot.me/freenode/picrin/
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## How to use it
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To build picrin, you need some build tools installed on your platform.
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- cmake (>= 2.6)
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### Generate Makefile
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Change directory to `build` then run `cmake` to create Makefile. Once `Makefile` is generated you can run `make` command to build picrin.
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$ cd build
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$ cmake ..
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Actually you don't necessarily need to move to `build` directory before running `cmake` (in that case `$ cmake .`), but I strongly recommend to follow above instruction.
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Before generating Makefile, you can change some compilation switches to enable or disable optional features. Take *NAN_BOXING* for example, when you turn on "Use C11 feature" flag and the platform supports addresses of 48bit length, it is enabled.
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### Build
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A built executable binary will be under bin/ directory and shared libraries under lib/.
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$ make
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If you are building picrin on other systems than x86_64, PIC_NAN_BOXING flag is automatically turned on (see include/picrin/config.h for detail).
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### Install
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Just running `make install`, picrin library, headers, and runtime binary are install on your system, by default into `/usr/local` directory. You can change this value via cmake.
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$ make install
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### Run
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Before installing picrin, you can try picrin without breaking any of your system. Simply directly run the binary `bin/picrin` from terminal, or you can use `make` to execute it like this.
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$ make run
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### Run Test
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To run all the test including contribs, execute this.
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$ make test
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To test only R7RS features,
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$ make test-r7rs
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### Debug run
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If you execute `cmake` with debug flag `-DCMAKE_BUILD_TYPE=Debug`, it builds the binary with all debug flags enabled (PIC_GC_STRESS, VM_DEBUG, DEBUG).
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$ cmake -DCMAKE_BUILD_TYPE=Debug ..
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## Requirement
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Picrin scheme depends on some external libraries to build the binary:
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- perl
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- libedit (optional)
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- regex.h of POSIX.1 (optional)
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Optional libraries are, if cmake detected them, automatically enabled.
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The compilation is tested only on Mac OSX and Ubuntu. I think (or hope) it'll be ok to compile and run on other operating systems such as Arch or Windows, but I don't guarantee :(
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## Authors
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See `AUTHORS`
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