xo-tokenizer2/docs/install.rst
Roland Conybeare 6fbfd065a2 xo-tokenizer: docs + error-handling improvement
drop exceptions for return-value error object
2025-06-23 23:08:12 -05:00

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.. _install:
.. toctree
:maxdepth: 2
Source
======
Source code for XO is on github `here`_
.. _here: https://github.com/rconybea/xo-umbrella2
This repo contains source to all the XO libraries, in the most convenient form for
building + installing all XO libraries, or developing changes to XO itself.
Install
=======
This section explains how to build and install all XO libraries at once.
If you only want to install a subset of XO, refer to build instructions for individual subsystems.
You can build XO using cmake or nix.
Dependencies
------------
XO dependencies (if you're using nix, it will assemble these for you)
- cmake
- llvm
- libwebsockets
- jsoncpp
- eigen
- catch2
- pybind11
XO documentation requires:
- doxygen
- graphviz
- sphinx
- sphinx-rtd-theme
- breathe
- sphinxcontrib-ditaa
- sphinxcontrib-plantuml
- pilllow
cmake build
-----------
The cmake build has two phases.
The first phase bootstraps some generated helper scripts used in the second phase.
.. code-block::
$ git clone https://github.com/rconybea/xo-umbrella2
$ cd xo-umbrella2
$ PREFIX=/usr/local # for example
# phase 1 -- install helper scripts
$ cmake -B .build0 -S xo-cmake -DCMAKE_INSTALL_PREFIX=$PREFIX
$ cmake --install .build0
# phase 2 -- build XO, using helpers installed in phase 1.
$ cmake -B .build -S . -DCMAKE_INSTALL_PREFIX=$PREFIX
$ cmake --build .build -j
# optionally build docs
$ cmake --build .build -- docs
$ cmake --install .build
nix build
---------
Nix build uses toplevel ``default.nix``, along with ``pkgs/xo-foo.nix`` for each subsystem ``foo``.
It ignores toplevel ``CMakeLists.txt``
Build XO libraries, assemble sanbox under ``./result``
.. code-block::
$ nixbuild -A xo-userenv
Aternatively can enter nix environment, then follow instructions for cmake build:
.. code-block::
$ nix-shell
$ /nix/store/<hash>-doxygen-1.10.0/bin/doxygen
# etc
Development
===========
LSP Setup
---------
To setup xo-umbrella2 build to work with a language server:
.. code-block::
$ cd xo-umbrella2
$ ln -s .build /compile_commands.json # lsp will look for compile_commands.json in project root
In this case subsystem LSP setup should be omitted, git root is ``path/to/xo-umbrella2``,
not ``path/to/xo-umbrella2/xo-ratio`` etc.
Sphinx Autobuild Setup
----------------------
To serve cache-busting headers
.. code-block::
$ cd xo-umbrella2
$ sphinx-autobuild . .build/sphinx/html --port 3000