Release v0.1.5 (#53 )

Use cmakelang formatter (#52 )
Release v0.1.4 (#51 )
2022-06-11 12:09:33 +09:00 · 2022-05-01 23:43:22 +09:00 · 2022-04-30 23:54:34 +09:00 · 2022-04-30 02:54:19 +09:00 · 2022-04-30 02:28:35 +09:00 · 2022-04-18 12:20:58 +09:00
21 changed files with 1018 additions and 1229 deletions
--- a/.editorconfig
+++ b/.editorconfig
@@ -0,0 +1,12 @@
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 4
+insert_final_newline = true
+end_of_line = lf
+
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2
--- a/.gitattributes
+++ b/.gitattributes
@@ -0,0 +1 @@
+poetry.lock linguist-generated=true
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,18 +1,19 @@
 name: Tests

-on: [push]
+on: [pull_request]

 jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
+      fail-fast: false
      matrix:
-        python: [3.6, 3.7, 3.8]
-        os: [ubuntu-18.04, windows-2016]
+        python: ["3.6", "3.7", "3.8", "3.9", "3.10"]
+        os: [ubuntu-18.04, windows-2019]
    steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
      - name: Set up Python ${{ matrix.python }}
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python }}
      - name: Setup VC
@@ -21,21 +22,24 @@ jobs:
      - name: Install CMake
        if: contains(matrix.os, 'ubuntu')
        run: |
-          CMAKE_VERSION=3.14.7
+          CMAKE_VERSION=3.17.3
          curl -sSL https://github.com/Kitware/CMake/releases/download/v$CMAKE_VERSION/cmake-$CMAKE_VERSION-Linux-x86_64.tar.gz | tar xz
          sudo cp -rT cmake-$CMAKE_VERSION-Linux-x86_64 /usr/local
          rm -rf cmake-$CMAKE_VERSION-Linux-x86_64
      - name: Install dependencies
        run: |
+          cmake --version
          python -m pip install --upgrade setuptools pip wheel
          python -m pip install poetry tox-gh-actions
      - name: Test with tox
        run: |
          tox
+        env:
+          os: ${{ matrix.os }}
      - name: Upload coverage reports to Codecov
        uses: codecov/codecov-action@v1
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          flags: unittests
          name: Python ${{ matrix.python }} on ${{ matrix.os }}
-          fail_ci_if_error: true
+          fail_ci_if_error: false
--- a/.gitignore
+++ b/.gitignore
@@ -1,133 +1,4 @@
-### https://raw.github.com/github/gitignore/cb0c6ef7ac68f2300409ee85501d9ad432cb4c7e/Python.gitignore
-
-# Byte-compiled / optimized / DLL files
 __pycache__/
-*.py[cod]
-*$py.class
-
-# C extensions
-*.so
-
-# Distribution / packaging
-.Python
-build/
-develop-eggs/
-dist/
-downloads/
-eggs/
-.eggs/
-lib/
-lib64/
-parts/
-sdist/
-var/
-wheels/
-pip-wheel-metadata/
-share/python-wheels/
-*.egg-info/
-.installed.cfg
-*.egg
-MANIFEST
-
-# PyInstaller
-#  Usually these files are written by a python script from a template
-#  before PyInstaller builds the exe, so as to inject date/other infos into it.
-*.manifest
-*.spec
-
-# Installer logs
-pip-log.txt
-pip-delete-this-directory.txt
-
-# Unit test / coverage reports
-htmlcov/
 .tox/
-.nox/
 .coverage
-.coverage.*
-.cache
-nosetests.xml
 coverage.xml
-*.cover
-*.py,cover
-.hypothesis/
-.pytest_cache/
-
-# Translations
-*.mo
-*.pot
-
-# Django stuff:
-*.log
-local_settings.py
-db.sqlite3
-db.sqlite3-journal
-
-# Flask stuff:
-instance/
-.webassets-cache
-
-# Scrapy stuff:
-.scrapy
-
-# Sphinx documentation
-docs/_build/
-
-# PyBuilder
-target/
-
-# Jupyter Notebook
-.ipynb_checkpoints
-
-# IPython
-profile_default/
-ipython_config.py
-
-# pyenv
-.python-version
-
-# pipenv
-#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
-#   However, in case of collaboration, if having platform-specific dependencies or dependencies
-#   having no cross-platform support, pipenv may install dependencies that don't work, or not
-#   install all needed dependencies.
-#Pipfile.lock
-
-# pyflow
-__pypackages__/
-
-# Celery stuff
-celerybeat-schedule
-celerybeat.pid
-
-# SageMath parsed files
-*.sage.py
-
-# Environments
-.env
-.venv
-env/
-venv/
-ENV/
-env.bak/
-venv.bak/
-
-# Spyder project settings
-.spyderproject
-.spyproject
-
-# Rope project settings
-.ropeproject
-
-# mkdocs documentation
-/site
-
-# mypy
-.mypy_cache/
-.dmypy.json
-dmypy.json
-
-# Pyre type checker
-.pyre/
-
-
--- a/.style.yapf
+++ b/.style.yapf
@@ -1,2 +0,0 @@
-[style]
-based_on_style = pep8
--- a/README.md
+++ b/README.md
@@ -12,12 +12,11 @@ Alpha Stage, work in progress.
 ## Features
 - [x] Builtin command completion
 - [x] Documentation for commands and variables on hover
- [x] Formatting
+- [x] Formatting (by [`cmake-format`](https://github.com/cheshirekow/cmake_format))

 ## Commands

 - `cmake-language-server`: LSP server
- `cmake-format`: CLI frontend for formatting

 ## Installation

@@ -25,12 +24,14 @@ Alpha Stage, work in progress.
 $ pip install cmake-language-server
 ```

-### Clients
+### Tested Clients

- Neovim ([neoclide/coc.nvim][coc.nvim])
+- Neovim ([neoclide/coc.nvim][coc.nvim], [prabirshrestha/vim-lsp][vim-lsp])

 #### Neovim

+##### coc.nvim
+
 ```jsonc
  "languageserver": {
    "cmake": {
@@ -46,5 +47,29 @@ $ pip install cmake-language-server
  }
 ```

+##### vim-lsp
+
+```vim
+if executable('cmake-language-server')
+  au User lsp_setup call lsp#register_server({
+  \ 'name': 'cmake',
+  \ 'cmd': {server_info->['cmake-language-server']},
+  \ 'root_uri': {server_info->lsp#utils#path_to_uri(lsp#utils#find_nearest_parent_file_directory(lsp#utils#get_buffer_path(), 'build/'))},
+  \ 'whitelist': ['cmake'],
+  \ 'initialization_options': {
+  \   'buildDirectory': 'build',
+  \ }
+  \})
+endif
+```
+
+### Configuration
+* `buildDirectory`
+  This language server uses CMake's file API to get cached variables.
+  The API communicates using `<buildDirectory>/.cmake/api/`.
+  `buildDirectory` is relative path to the root uri of the workspace.
+  To configure the build tree, you need to run the cmake command such as `cmake .. -DFOO=bar`.
+

 [coc.nvim]: https://github.com/neoclide/coc.nvim
+[vim-lsp]: https://github.com/prabirshrestha/vim-lsp
--- a/codecov.yml
+++ b/codecov.yml
@@ -4,5 +4,4 @@ coverage:
      default:
        threshold: 10%
    patch:
-      default:
-        threshold: 20%
+      default: off
--- a/mypy.ini
+++ b/mypy.ini
@@ -1,6 +0,0 @@
-[mypy]
-ignore_missing_imports = True
-allow_redefinition = True
-
-[mypy-re.Scanner]
-ignore_errors = True
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,368 +1,424 @@
 [[package]]
-category = "dev"
-description = "Atomic file writes."
 name = "atomicwrites"
+version = "1.4.0"
+description = "Atomic file writes."
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.3.0"

 [[package]]
-category = "dev"
-description = "Classes Without Boilerplate"
 name = "attrs"
+version = "21.4.0"
+description = "Classes Without Boilerplate"
+category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "19.3.0"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[package.extras]
+dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins", "zope.interface", "furo", "sphinx", "sphinx-notfound-page", "pre-commit", "cloudpickle"]
+docs = ["furo", "sphinx", "zope.interface", "sphinx-notfound-page"]
+tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins", "zope.interface", "cloudpickle"]
+tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins", "cloudpickle"]

 [[package]]
+name = "cmakelang"
+version = "0.6.13"
+description = "Language tools for cmake (format, lint, etc)"
 category = "dev"
-description = "Cross-platform colored terminal text."
-marker = "sys_platform == \"win32\""
-name = "colorama"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.4.1"
-
-[[package]]
-category = "dev"
-description = "Code coverage measurement for Python"
-name = "coverage"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
-version = "5.0"
-
-[[package]]
-category = "dev"
-description = "Discover and load entry points from installed packages."
-name = "entrypoints"
-optional = false
-python-versions = ">=2.7"
-version = "0.3"
-
-[[package]]
-category = "dev"
-description = "A platform independent file lock."
-name = "filelock"
 optional = false
 python-versions = "*"
-version = "3.0.12"
-
-[[package]]
-category = "dev"
-description = "the modular source code checker: pep8, pyflakes and co"
-name = "flake8"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "3.7.8"

 [package.dependencies]
-entrypoints = ">=0.3.0,<0.4.0"
-mccabe = ">=0.6.0,<0.7.0"
-pycodestyle = ">=2.5.0,<2.6.0"
-pyflakes = ">=2.1.0,<2.2.0"
+six = ">=1.13.0"
+
+[package.extras]
+yaml = ["pyyaml (>=5.3)"]
+html-gen = ["jinja2 (==2.10.3)"]

 [[package]]
+name = "colorama"
+version = "0.4.4"
+description = "Cross-platform colored terminal text."
 category = "dev"
-description = "Read metadata from Python packages"
-marker = "python_version < \"3.8\""
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[[package]]
+name = "coverage"
+version = "6.2"
+description = "Code coverage measurement for Python"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[package.extras]
+toml = ["tomli"]
+
+[[package]]
+name = "dataclasses"
+version = "0.8"
+description = "A backport of the dataclasses module for Python 3.6"
+category = "main"
+optional = false
+python-versions = ">=3.6, <3.7"
+
+[[package]]
 name = "importlib-metadata"
+version = "4.8.3"
+description = "Read metadata from Python packages"
+category = "main"
 optional = false
-python-versions = ">=2.7,!=3.0,!=3.1,!=3.2,!=3.3"
-version = "0.23"
+python-versions = ">=3.6"

 [package.dependencies]
+typing-extensions = {version = ">=3.6.4", markers = "python_version < \"3.8\""}
 zipp = ">=0.5"

-[[package]]
-category = "dev"
-description = "A Python utility / library to sort Python imports."
-name = "isort"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "4.3.21"
+[package.extras]
+docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
+perf = ["ipython"]
+testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-perf (>=0.9.2)", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]

 [[package]]
+name = "iniconfig"
+version = "1.1.1"
+description = "iniconfig: brain-dead simple config-ini parsing"
 category = "dev"
-description = "McCabe checker, plugin for flake8"
-name = "mccabe"
 optional = false
 python-versions = "*"
-version = "0.6.1"

 [[package]]
-category = "dev"
-description = "More routines for operating on iterables, beyond itertools"
-name = "more-itertools"
-optional = false
-python-versions = ">=3.4"
-version = "7.2.0"
-
-[[package]]
-category = "dev"
-description = "Optional static typing for Python"
-name = "mypy"
-optional = false
-python-versions = ">=3.5"
-version = "0.740"
-
-[package.dependencies]
-mypy-extensions = ">=0.4.0,<0.5.0"
-typed-ast = ">=1.4.0,<1.5.0"
-typing-extensions = ">=3.7.4"
-
-[[package]]
-category = "dev"
-description = "Experimental type system extensions for programs checked with the mypy typechecker."
-name = "mypy-extensions"
-optional = false
-python-versions = "*"
-version = "0.4.3"
-
-[[package]]
-category = "dev"
-description = "Core utilities for Python packages"
 name = "packaging"
+version = "21.3"
+description = "Core utilities for Python packages"
+category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "19.2"
+python-versions = ">=3.6"

 [package.dependencies]
-pyparsing = ">=2.0.2"
-six = "*"
+pyparsing = ">=2.0.2,<3.0.5 || >3.0.5"

 [[package]]
-category = "dev"
-description = "plugin and hook calling mechanisms for python"
 name = "pluggy"
+version = "1.0.0"
+description = "plugin and hook calling mechanisms for python"
+category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.13.0"
+python-versions = ">=3.6"

 [package.dependencies]
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12"
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
+
+[package.extras]
+dev = ["pre-commit", "tox"]
+testing = ["pytest", "pytest-benchmark"]

 [[package]]
-category = "dev"
-description = "library with cross-python path, ini-parsing, io, code, log facilities"
 name = "py"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.8.0"
-
-[[package]]
+version = "1.11.0"
+description = "library with cross-python path, ini-parsing, io, code, log facilities"
 category = "dev"
-description = "Python style guide checker"
-name = "pycodestyle"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.5.0"
-
-[[package]]
-category = "dev"
-description = "passive checker of Python programs"
-name = "pyflakes"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.1.1"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"

 [[package]]
+name = "pydantic"
+version = "1.7.4"
+description = "Data validation and settings management using python 3.6 type hinting"
 category = "main"
-description = "a pythonic generic language server (pronounced like \"pie glass\")."
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+dataclasses = {version = ">=0.6", markers = "python_version < \"3.7\""}
+
+[package.extras]
+dotenv = ["python-dotenv (>=0.10.4)"]
+email = ["email-validator (>=1.0.3)"]
+typing_extensions = ["typing-extensions (>=3.7.2)"]
+
+[[package]]
 name = "pygls"
+version = "0.11.3"
+description = "a pythonic generic language server (pronounced like \"pie glass\")."
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.8.1"
+
+[package.dependencies]
+pydantic = ">=1.7,<1.9"
+typeguard = ">=2.10.0,<3"
+
+[package.extras]
+dev = ["bandit (==1.6.0)", "flake8 (==3.7.7)", "mypy (==0.812)"]
+docs = ["sphinx (==2.0.1)", "sphinx-rtd-theme (==0.4.3)"]
+test = ["mock (==3.0.5)", "pytest (==4.5.0)", "pytest-asyncio (==0.10.0)"]
+ws = ["websockets (>=9.0.0,<10.0.0)"]

 [[package]]
-category = "main"
-description = "Python parsing module"
 name = "pyparsing"
+version = "3.0.7"
+description = "Python parsing module"
+category = "dev"
 optional = false
-python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "2.4.2"
+python-versions = ">=3.6"
+
+[package.extras]
+diagrams = ["jinja2", "railroad-diagrams"]

 [[package]]
-category = "dev"
-description = "pytest: simple powerful testing with Python"
 name = "pytest"
+version = "6.2.5"
+description = "pytest: simple powerful testing with Python"
+category = "dev"
 optional = false
-python-versions = ">=3.5"
-version = "5.2.1"
+python-versions = ">=3.6"

 [package.dependencies]
-atomicwrites = ">=1.0"
-attrs = ">=17.4.0"
-colorama = "*"
-more-itertools = ">=4.0.0"
+atomicwrites = {version = ">=1.0", markers = "sys_platform == \"win32\""}
+attrs = ">=19.2.0"
+colorama = {version = "*", markers = "sys_platform == \"win32\""}
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
+iniconfig = "*"
 packaging = "*"
-pluggy = ">=0.12,<1.0"
-py = ">=1.5.0"
-wcwidth = "*"
+pluggy = ">=0.12,<2.0"
+py = ">=1.8.2"
+toml = "*"

-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12"
+[package.extras]
+testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]

 [[package]]
-category = "dev"
-description = "Pytest plugin for measuring coverage."
 name = "pytest-cov"
+version = "2.12.1"
+description = "Pytest plugin for measuring coverage."
+category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.8.1"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"

 [package.dependencies]
-coverage = ">=4.4"
-pytest = ">=3.6"
+coverage = ">=5.2.1"
+pytest = ">=4.6"
+toml = "*"
+
+[package.extras]
+testing = ["fields", "hunter", "process-tests", "six", "pytest-xdist", "virtualenv"]

 [[package]]
-category = "dev"
-description = "pytest plugin for test data directories and files"
 name = "pytest-datadir"
+version = "1.3.1"
+description = "pytest plugin for test data directories and files"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.3.1"

 [package.dependencies]
 pytest = ">=2.7.0"

 [[package]]
-category = "dev"
-description = "Python 2 and 3 compatibility utilities"
 name = "six"
+version = "1.16.0"
+description = "Python 2 and 3 compatibility utilities"
+category = "dev"
 optional = false
-python-versions = ">=2.6, !=3.0.*, !=3.1.*"
-version = "1.12.0"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"

 [[package]]
-category = "dev"
-description = "Python Library for Tom's Obvious, Minimal Language"
 name = "toml"
+version = "0.10.2"
+description = "Python Library for Tom's Obvious, Minimal Language"
+category = "dev"
 optional = false
-python-versions = "*"
-version = "0.10.0"
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"

 [[package]]
-category = "dev"
-description = "tox is a generic virtualenv management and test command line tool"
-name = "tox"
+name = "typeguard"
+version = "2.13.3"
+description = "Run-time type checker for Python"
+category = "main"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "3.14.0"
+python-versions = ">=3.5.3"

-[package.dependencies]
-filelock = ">=3.0.0,<4"
-packaging = ">=14"
-pluggy = ">=0.12.0,<1"
-py = ">=1.4.17,<2"
-six = ">=1.0.0,<2"
-toml = ">=0.9.4"
-virtualenv = ">=14.0.0"
-
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12,<1"
+[package.extras]
+doc = ["sphinx-rtd-theme", "sphinx-autodoc-typehints (>=1.2.0)"]
+test = ["pytest", "typing-extensions", "mypy"]

 [[package]]
-category = "dev"
-description = "a fork of Python 2 and 3 ast modules with type comment support"
-name = "typed-ast"
-optional = false
-python-versions = "*"
-version = "1.4.0"
-
-[[package]]
-category = "dev"
-description = "Type Hints for Python"
-name = "typing"
-optional = false
-python-versions = "*"
-version = "3.7.4.1"
-
-[[package]]
-category = "dev"
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+zipp = [
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+    {file = "zipp-3.6.0.tar.gz", hash = "sha256:71c644c5369f4a6e07636f0aa966270449561fcea2e3d6747b8d23efaa9d7832"},
+]
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "cmake-language-server"
-version = "0.1.1"
+version = "0.1.5"
 description = "CMake LSP Implementation"
 license = "MIT"
 authors = ["regen"]
@@ -19,23 +19,33 @@ classifiers = [

 [tool.poetry.dependencies]
 python = "^3.6"
-pygls = "^0.8.1"
-pyparsing = "^2.4"
+pygls = "^0.11"
+importlib-metadata = {version = "^4.8", python = "<3.8"}

 [tool.poetry.dev-dependencies]
-flake8 = "^3.7"
-mypy = "^0.740.0"
-pytest = "^5.2"
-yapf = "^0.28.0"
+pytest = "^6.2"
 pytest-datadir = "^1.3"
-tox = "^3.14"
-isort = "^4.3"
-pytest-cov = "^2.8"
+pytest-cov = "^2.11"
+cmakelang = "^0.6.13"

 [tool.poetry.scripts]
-cmake-format = "cmake_language_server.formatter:main"
 cmake-language-server = "cmake_language_server.server:main"

 [build-system]
-requires = ["poetry>=0.12"]
-build-backend = "poetry.masonry.api"
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
+
+[tool.pysen]
+version = "0.10"
+
+[tool.pysen.lint]
+enable_black = true
+enable_flake8 = true
+enable_isort = true
+enable_mypy = true
+mypy_preset = "strict"
+line_length = 88
+py_version = "py36"
+
+[[tool.pysen.lint.mypy_targets]]
+paths = ["."]
--- a/src/cmake_language_server/init.py
+++ b/src/cmake_language_server/init.py
@@ -1 +1,6 @@
-__version__ = '0.1.1'
+try:
+    import importlib.metadata as importlib_metadata
+except ModuleNotFoundError:
+    import importlib_metadata
+
+__version__ = importlib_metadata.version(__name__)
--- a/src/cmake_language_server/api.py
+++ b/src/cmake_language_server/api.py
@@ -12,10 +12,10 @@ logger = logging.getLogger(__name__)

 def _tidy_doc(doc: str) -> str:
    doc = doc.strip()
-    doc = re.sub(r':.+?:`(.+?)`', r'\1', doc)
-    doc = re.sub(r'``([^`]+)``', r'`\1`', doc)
-    doc = doc.replace('\n', ' ')
-    doc = doc.replace('.  ', '. ')
+    doc = re.sub(r":.+?:`(.+?)`", r"\1", doc)
+    doc = re.sub(r"``([^`]+)``", r"`\1`", doc)
+    doc = doc.replace("\n", " ")
+    doc = doc.replace(".  ", ". ")
    return doc


@@ -25,7 +25,7 @@ class API(object):
    _uuid: uuid.UUID
    _builtin_commands: Dict[str, str]
    _builtin_variables: Dict[str, str]
-    _builtin_variable_template: Dict[Pattern, str]
+    _builtin_variable_template: Dict[Pattern[str], str]
    _builtin_modules: Dict[str, str]
    _targets: List[str]
    _cached_variables: Dict[str, str]
@@ -45,81 +45,97 @@ class API(object):
        self._generated_list_parsed = False

    def query(self) -> bool:
+        """Use CMake's file API to get JSON information about the build tree
+
+        Generates a JSON request file for the current build tree and runs
+        CMake on the build tree. Deletes the request file immediately
+        after.
+        """
        if not self.cmake_cache.exists():
            return False

        self.query_json.parent.mkdir(parents=True, exist_ok=True)
-        with self.query_json.open('w') as fp:
-            fp.write('''\
+        with self.query_json.open("w") as fp:
+            fp.write(
+                """\
 {
  "requests": [
    {"kind": "codemodel", "version": 2},
    {"kind": "cache", "version": 2},
    {"kind": "cmakeFiles", "version": 1}
  ]
-}''')
+}"""
+            )

-        proc = subprocess.run([self._cmake, str(self._build)],
-                              universal_newlines=True,
+        proc = subprocess.run(
+            [self._cmake, str(self._build)],
            stdout=subprocess.PIPE,
-                              stderr=subprocess.PIPE)
+            stderr=subprocess.PIPE,
+            encoding="utf-8",
+            universal_newlines=True,
+        )
        self.query_json.unlink()
        self.query_json.parent.rmdir()
        if proc.returncode != 0:
-            logging.error(
-                f'cmake exited with {proc.returncode}: {proc.stderr}')
+            logging.error(f"cmake exited with {proc.returncode}: {proc.stderr}")
            return False

        return True

    def read_reply(self) -> bool:
-        reply = self._build / '.cmake' / 'api' / 'v1' / 'reply'
-        indices = sorted(reply.glob('index-*.json'))
+        """Reads the CMake file API reply file and updates internal state
+
+        Reads the result of the previous query file and updates
+        the targets, the cache entries and the cmake files.
+        """
+        reply = self._build / ".cmake" / "api" / "v1" / "reply"
+        indices = sorted(reply.glob("index-*.json"))
        if not indices:
-            logger.error('no reply')
+            logger.error("no reply")
            return False
        with indices[-1].open() as fp:
            index = json.load(fp)
        try:
-            responses = index['reply'][f'client-{self._uuid}']['query.json'][
-                'responses']
+            responses = index["reply"][f"client-{self._uuid}"]["query.json"][
+                "responses"
+            ]
        except KeyError:
-            logger.error('no rensponse')
+            logger.error("no rensponse")
            return False
        for response in responses:
-            if response['kind'] == 'codemodel':
-                self._read_codemodel(reply / response['jsonFile'])
-            elif response['kind'] == 'cache':
-                self._read_cache(reply / response['jsonFile'])
-            elif response['kind'] == 'cmakeFiles':
-                self._read_cmake_files(reply / response['jsonFile'])
+            if response["kind"] == "codemodel":
+                self._read_codemodel(reply / response["jsonFile"])
+            elif response["kind"] == "cache":
+                self._read_cache(reply / response["jsonFile"])
+            elif response["kind"] == "cmakeFiles":
+                self._read_cmake_files(reply / response["jsonFile"])

        return True

-    def _read_codemodel(self, codemodelpath: Path):
+    def _read_codemodel(self, codemodelpath: Path) -> None:
        with (codemodelpath).open() as fp:
            codemodel = json.load(fp)
-        config = codemodel['configurations'][0]
-        self._targets[:] = [x['name'] for x in config['targets']]
+        config = codemodel["configurations"][0]
+        self._targets[:] = [x["name"] for x in config["targets"]]

-    def _read_cache(self, cachepath: Path):
+    def _read_cache(self, cachepath: Path) -> None:
        with cachepath.open() as fp:
            cache = json.load(fp)
        self._cached_variables.clear()
-        for entry in cache['entries']:
-            name = entry['name']
-            value = self._truncate_variable(entry['value'])
-            properties = {x['name']: x['value'] for x in entry['properties']}
-            helpstring = properties.get('HELPSTRING', '')
+        for entry in cache["entries"]:
+            name = entry["name"]
+            value = self._truncate_variable(entry["value"])
+            properties = {x["name"]: x["value"] for x in entry["properties"]}
+            helpstring = properties.get("HELPSTRING", "")
            doc = []
            if helpstring:
                doc.append(helpstring)
            if value:
-                doc.append(f'`{value}`')
-            self._cached_variables[name] = '\n\n'.join(doc)
+                doc.append(f"`{value}`")
+            self._cached_variables[name] = "\n\n".join(doc)

-    def _read_cmake_files(self, jsonpath: Path):
-        '''inspect generated list files'''
+    def _read_cmake_files(self, jsonpath: Path) -> None:
+        """inspect CMake list files that are used during build generation"""

        if not self._builtin_variables or self._generated_list_parsed:
            return
@@ -127,45 +143,48 @@ class API(object):
        with jsonpath.open() as fp:
            cmake_files = json.load(fp)

-        # inspect generated list files
+        # Inspect generated list files: Get the values of variables in each script
        with tempfile.TemporaryDirectory() as tmpdirname:
-            tmplist = Path(tmpdirname) / 'dump.cmake'
-            with tmplist.open('w') as fp:
-                for listfile in cmake_files['inputs']:
-                    if not listfile.get('isGenerated', False):
+            tmplist = Path(tmpdirname) / "dump.cmake"
+            with tmplist.open("w") as fp:
+                for listfile in cmake_files["inputs"]:
+                    if not listfile.get("isGenerated", False):
                        continue
-                    path = listfile['path']
-                    fp.write(f'include({path})\n')
-                fp.write('''
+                    path = listfile["path"]
+                    fp.write(f"include({path})\n")
+                fp.write(
+                    """
 get_cmake_property(variables VARIABLES)
 foreach (variable ${variables})
  message("${variable}=${${variable}}")
 endforeach()
-''')
+"""
+                )
            p = subprocess.run(
-                [self._cmake, '-P', str(tmplist)],
-                cwd=cmake_files['paths']['source'],
-                universal_newlines=True,
+                [self._cmake, "-P", str(tmplist)],
                stdout=subprocess.PIPE,
-                stderr=subprocess.PIPE)
+                stderr=subprocess.PIPE,
+                cwd=cmake_files["paths"]["source"],
+                encoding="utf-8",
+                universal_newlines=True,
+            )
            if p.returncode != 0:
                return

-            for line in p.stderr.split('\n'):
+            for line in p.stderr.split("\n"):
                line = line.strip()
                if not line:
                    continue
-                k, v = line.split('=', 1)
-                if k.startswith('CMAKE_ARG'):
+                k, v = line.split("=", 1)
+                if k.startswith("CMAKE_ARG"):
                    continue
                v = self._truncate_variable(v)
                if k in self._builtin_variables:
-                    self._builtin_variables[k] += f'\n\n`{v}`'
+                    self._builtin_variables[k] += f"\n\n`{v}`"
                else:
-                    for pattern, doc in self._builtin_variable_template.items(
-                    ):
+                    for pattern, doc in self._builtin_variable_template.items():
                        if pattern.fullmatch(k):
-                            self._builtin_variables[k] = f'{doc}\n\n`{v}`'
+                            self._builtin_variables[k] = f"{doc}\n\n`{v}`"
                            break
                    else:
                        # ignore variable with no document
@@ -175,12 +194,19 @@ endforeach()

    @property
    def query_json(self) -> Path:
-        return (self._build / '.cmake' / 'api' / 'v1' / 'query' /
-                f'client-{self._uuid}' / 'query.json')
+        return (
+            self._build
+            / ".cmake"
+            / "api"
+            / "v1"
+            / "query"
+            / f"client-{self._uuid}"
+            / "query.json"
+        )

    @property
    def cmake_cache(self) -> Path:
-        return self._build / 'CMakeCache.txt'
+        return self._build / "CMakeCache.txt"

    def parse_doc(self) -> None:
        self._parse_commands()
@@ -188,78 +214,110 @@ endforeach()
        self._parse_modules()

    def _parse_commands(self) -> None:
-        p = subprocess.run([self._cmake, '--help-commands'],
+        """Load docs for builtin cmake functions
+
+        Loads the documentation for builtin cmake functions from the result
+        of `$ cmake --help-commands`.
+        """
+        p = subprocess.run(
+            [self._cmake, "--help-commands"],
            stdout=subprocess.PIPE,
-                           universal_newlines=True)
+            encoding="utf-8",
+            universal_newlines=True,
+        )

        if p.returncode != 0:
            return

        matches = re.finditer(
-            r'''
+            r"""
 (?P<command>.+)\n
 -+\n+?
 [\s\S]*?
 (?P<signature>(?P=command)\s*\([^)]*\))
-''', p.stdout, re.VERBOSE)
+""",
+            p.stdout,
+            re.VERBOSE,
+        )
        self._builtin_commands.clear()
        for match in matches:
-            command = match.group('command')
-            signature = match.group('signature')
-            signature = re.sub(r'^ ', r'', signature, flags=re.MULTILINE)
-            self._builtin_commands[
-                command] = '```cmake\n' + signature + '\n```'
+            command = match.group("command")
+            signature = match.group("signature")
+            signature = re.sub(r"^ ", r"", signature, flags=re.MULTILINE)
+            self._builtin_commands[command] = "```cmake\n" + signature + "\n```"

    def _parse_variables(self) -> None:
-        p = subprocess.run([self._cmake, '--help-variables'],
+        """Load docs for builtin cmake variables
+
+        Loads the documentation for builtin cmake variables from
+        the result of `$ cmake --help-variables`.
+        """
+        p = subprocess.run(
+            [self._cmake, "--help-variables"],
            stdout=subprocess.PIPE,
-                           universal_newlines=True)
+            encoding="utf-8",
+            universal_newlines=True,
+        )

        if p.returncode != 0:
            return

        matches = re.finditer(
-            r'''
+            r"""
 (?P<variable>.+)\n
 -+\n\n
 (?P<doc>[\s\S]+?)(?:\n\n|$)
-''', p.stdout, re.VERBOSE)
+""",
+            p.stdout,
+            re.VERBOSE,
+        )
        self._builtin_variables.clear()
        for match in matches:
-            variable = match.group('variable')
-            doc = _tidy_doc(match.group('doc'))
-            if variable == 'CMAKE_MATCH_<n>':
+            variable = match.group("variable")
+            doc = _tidy_doc(match.group("doc"))
+            if variable == "CMAKE_MATCH_<n>":
                for i in range(10):
-                    self._builtin_variables[f'CMAKE_MATCH_{i}'] = doc
-            elif '<' in variable:
-                variable = re.sub(r'<[^>]+>', r'[^_]+', variable)
+                    self._builtin_variables[f"CMAKE_MATCH_{i}"] = doc
+            elif "<" in variable:
+                variable = re.sub(r"<[^>]+>", r"[^_]+", variable)
                pattern = re.compile(variable)
                self._builtin_variable_template[pattern] = doc
            else:
                self._builtin_variables[variable] = doc

    def _parse_modules(self) -> None:
-        p = subprocess.run([self._cmake, '--help-modules'],
+        """Loads docs for all modules in the cmake distribution
+
+        Loads the documentation for cmake modules included in the
+        distribution from the result of `$ cmake --help-modules`.
+        """
+        p = subprocess.run(
+            [self._cmake, "--help-modules"],
            stdout=subprocess.PIPE,
-                           universal_newlines=True)
+            encoding="utf-8",
+            universal_newlines=True,
+        )

        if p.returncode != 0:
            return

        matches = re.finditer(
-            r'''
+            r"""
 (?P<module>.+)\n
 -+\n+?
 (?:(?P<header>\w[\w\s]+)\n\^+\n+?)?
-(?P<doc>.(?:.|\n)+?\n\n)
-''', p.stdout + '\n\n', re.VERBOSE)
+(?P<doc>(?:.|\n)*?\n\n)
+""",
+            p.stdout + "\n\n",
+            re.VERBOSE,
+        )
        self._builtin_modules.clear()
        for match in matches:
-            module = match.group('module')
-            header = match.group('header')
-            doc = _tidy_doc(match.group('doc'))
-            if header is not None and header != 'Overview':
-                doc = ''
+            module = match.group("module")
+            header = match.group("header")
+            doc = _tidy_doc(match.group("doc"))
+            if header != "Overview":
+                doc = ""
            self._builtin_modules[module] = doc

    def get_command_doc(self, command: str) -> Optional[str]:
@@ -276,28 +334,27 @@ endforeach()
        return self._builtin_variables.get(variable)

    def search_variable(self, variable: str) -> List[str]:
-        cached = frozenset(x for x in self._cached_variables
-                           if x.startswith(variable))
-        builtin = frozenset(x for x in self._builtin_variables
-                            if x.startswith(variable))
+        cached = frozenset(x for x in self._cached_variables if x.startswith(variable))
+        builtin = frozenset(
+            x for x in self._builtin_variables if x.startswith(variable)
+        )
        return list(cached | builtin)

    def get_module_doc(self, module: str, package: bool) -> Optional[str]:
        if package:
-            return self._builtin_modules.get('Find' + module)
+            return self._builtin_modules.get("Find" + module)

        return self._builtin_modules.get(module)

    def search_module(self, module: str, package: bool) -> List[str]:
        if package:
-            module = 'Find' + module
-            return [
-                x[4:] for x in self._builtin_modules if x.startswith(module)
-            ]
+            module = "Find" + module
+            return [x[4:] for x in self._builtin_modules if x.startswith(module)]

        return [
-            x for x in self._builtin_modules
-            if x.startswith(module) and not x.startswith('Find')
+            x
+            for x in self._builtin_modules
+            if x.startswith(module) and not x.startswith("Find")
        ]

    def search_target(self, target: str) -> List[str]:
@@ -305,4 +362,4 @@ endforeach()

    def _truncate_variable(self, v: str) -> str:
        width = 70
-        return v[:width] + (v[width:] and '...')
+        return v[:width] + (v[width:] and "...")
--- a/src/cmake_language_server/formatter.py
+++ b/src/cmake_language_server/formatter.py
@@ -1,143 +0,0 @@
-from typing import List
-
-from .parser import TokenList
-
-
-class Formatter(object):
-    indnt: str
-    lower_identifier: bool
-
-    def __init__(self, indent='  ', lower_identifier=True):
-        self.indent = indent
-        self.lower_identifier = lower_identifier
-
-    def format(self, tokens: TokenList) -> str:
-        cmds: List[str] = ['']
-        indnet_level = 0
-        for token in tokens:
-            if isinstance(token, tuple):
-                raw_identifier = token[0]
-                identifier = raw_identifier.lower()
-                if identifier in ('elseif', 'else', 'endif', 'endforeach',
-                                  'endwhile', 'endmacro', 'endfunction'):
-                    if indnet_level > 0:
-                        indnet_level -= 1
-                cmds[-1] = self.indent * indnet_level
-                cmds[-1] += (identifier
-                             if self.lower_identifier else raw_identifier)
-                args = self._format_args(token[1])
-                if len(args) < 2:
-                    cmds[-1] += '(' + ''.join(args) + ')'
-                else:
-                    cmds[-1] += '(\n'
-                    for arg in args:
-                        cmds[-1] += self.indent * (indnet_level +
-                                                   1) + arg + '\n'
-                    cmds[-1] += self.indent * indnet_level + ')'
-                if identifier in ('if', 'elseif', 'else', 'foreach', 'while',
-                                  'macro', 'function'):
-                    indnet_level += 1
-            elif token == '\n':
-                cmds.append('')
-            elif token[0] == '#':
-                if cmds[-1]:
-                    cmds[-1] += token
-                else:
-                    cmds[-1] = self.indent * indnet_level + token
-            elif cmds[-1]:
-                cmds[-1] += token
-
-        cmds = self._strip_line(cmds)
-        return '\n'.join(cmds) + '\n'
-
-    def _format_args(self, args: List[str]) -> List[str]:
-        lines = ['']
-        for i in range(len(args)):
-            arg = args[i]
-            if arg[0] == '#':
-                lines[-1] += arg
-            elif arg[0] == '\n':
-                lines.append('')
-            elif arg.isspace():
-                if lines[-1]:
-                    if i + 1 < len(args) and args[i + 1][0] == '#':
-                        lines[-1] += arg
-                    else:
-                        lines[-1] += ' '
-            else:
-                lines[-1] += arg
-
-        return self._strip_line(lines)
-
-    def _strip_line(self, lines: List[str]) -> List[str]:
-        '''Delete empty lines at the start/end of the input'''
-
-        ret: List[str] = []
-        for line in lines:
-            line = line.rstrip()
-            if line != '' or len(ret) > 0:
-                ret.append(line)
-        while ret and ret[-1] == '':
-            del ret[-1]
-        return ret
-
-
-def main(args: List[str] = None):
-    from argparse import ArgumentParser
-    from difflib import unified_diff
-    from pathlib import Path
-    import sys
-    from . import __version__
-    from .parser import ListParser
-
-    parser = ArgumentParser(
-        description='Format CMake list files.',
-        epilog='''
-            If no arguments are specified, it formats the code from
-            standard input and writes the result to the standard output.''',
-    )
-    parser.add_argument('lists', type=Path, nargs='*', help='CMake list files')
-    group = parser.add_mutually_exclusive_group()
-    group.add_argument('-i',
-                       '--inplace',
-                       action='store_true',
-                       help='inplace edit')
-    group.add_argument('-d', '--diff', action='store_true', help='show diff')
-    parser.add_argument('--version',
-                        action='version',
-                        version=f'%(prog)s {__version__}')
-
-    args = parser.parse_args(args)
-
-    if not args.lists and args.inplace:
-        print('error: cannot use -i when no arguments are specified.',
-              file=sys.stderr)
-        return
-    if not args.lists:
-        args.lists.append(None)
-
-    list_parser = ListParser()
-    formatter = Formatter()
-    for listpath in args.lists:
-        if listpath is None:
-            listpath = '(stdin)'
-            content = sys.stdin.read()
-        else:
-            with listpath.open() as fp:
-                content = fp.read()
-        tokens, remain = list_parser.parse(content)
-        formatted = content if remain else formatter.format(tokens)
-
-        if args.inplace:
-            if not remain:
-                with listpath.open('w') as fp:
-                    fp.write(formatted)
-        elif args.diff:
-            diff = unified_diff(content.splitlines(True),
-                                formatted.splitlines(True), str(listpath),
-                                str(listpath), '(before formatting)',
-                                '(after formatting)')
-            diffstr = ''.join(diff)
-            print(diffstr, end='')
-        else:
-            print(formatted, end='')
--- a/src/cmake_language_server/parser.py
+++ b/src/cmake_language_server/parser.py
@@ -1,63 +0,0 @@
-from typing import List, Tuple, Union
-
-import pyparsing as pp
-
-CommandTokenType = Tuple[str, List[str]]
-TokenType = Union[str, CommandTokenType]
-TokenList = List[TokenType]
-
-
-class ListParser(object):
-    _parser: pp.ParserElement
-
-    def __init__(self):
-        newline = '\n'
-        space_plus = pp.Regex('[ \t]+')
-        space_star = pp.Optional(space_plus)
-
-        quoted_element = pp.Regex(r'[^\\"]|\\[^A-Za-z0-9]|\\[trn]')
-        quoted_argument = pp.Combine('"' + pp.ZeroOrMore(quoted_element) + '"')
-
-        bracket_content = pp.Forward()
-
-        def action_bracket_open(tokens: pp.ParseResults):
-            nonlocal bracket_content
-            marker = ']' + '=' * (len(tokens[0]) - 2) + ']'
-            bracket_content <<= pp.SkipTo(marker, include=True)
-
-        bracket_open = pp.Regex(r'\[=*\[').setParseAction(action_bracket_open)
-        bracket_argument = pp.Combine(bracket_open + bracket_content)
-
-        unquoted_element = pp.Regex(r'[^\s()#"\\]|\\[^A-Za-z0-9]|\\[trn]')
-        unquoted_argument = pp.Combine(pp.OneOrMore(unquoted_element))
-
-        argument = bracket_argument | quoted_argument | unquoted_argument
-
-        line_comment = pp.Combine('#' + ~bracket_open +
-                                  pp.SkipTo(pp.LineEnd()))
-        bracket_comment = pp.Combine('#' + bracket_argument)
-        line_ending = (space_star +
-                       pp.ZeroOrMore(bracket_comment + space_star) +
-                       pp.Optional(line_comment) + (newline | pp.lineEnd))
-
-        identifier = pp.Word(pp.alphas + '_', pp.alphanums + '_')
-        arguments = pp.Forward()
-        arguments << pp.ZeroOrMore(argument | line_ending | space_plus
-                                   | '(' + arguments + ')').leaveWhitespace()
-        arguments = pp.Group(arguments)
-        PAREN_L, PAREN_R = map(pp.Suppress, '()')
-        command_invocation = (
-            identifier + space_star.suppress() + PAREN_L + arguments +
-            PAREN_R).setParseAction(lambda t: (t[0], t[1].asList()))
-
-        file_element = (space_star + command_invocation + line_ending
-                        | line_ending).leaveWhitespace()
-        file = pp.ZeroOrMore(file_element)
-
-        self._parser = file
-
-    def parse(self, liststr: str) -> Tuple[TokenList, str]:
-        for t, s, e in self._parser.scanString(liststr, maxMatches=1):
-            if s == 0:
-                return t.asList(), liststr[e:]
-        return [], liststr
--- a/src/cmake_language_server/server.py
+++ b/src/cmake_language_server/server.py
@@ -1,55 +1,88 @@
 import logging
 import re
+import shutil
+import subprocess
 from pathlib import Path
-from typing import List, Optional, Tuple
+from typing import Any, Callable, List, Optional, Tuple

-from pygls.features import (COMPLETION, FORMATTING, HOVER, INITIALIZE,
-                            INITIALIZED, TEXT_DOCUMENT_DID_SAVE)
+from pygls.lsp.methods import (
+    COMPLETION,
+    FORMATTING,
+    HOVER,
+    INITIALIZE,
+    INITIALIZED,
+    TEXT_DOCUMENT_DID_SAVE,
+)
+from pygls.lsp.types import (
+    CompletionItem,
+    CompletionItemKind,
+    CompletionList,
+    CompletionOptions,
+    CompletionParams,
+    CompletionTriggerKind,
+    DocumentFormattingParams,
+    Hover,
+    InitializeParams,
+    MarkupContent,
+    MarkupKind,
+    Position,
+    Range,
+    TextDocumentPositionParams,
+    TextDocumentSaveRegistrationOptions,
+    TextEdit,
+)
 from pygls.server import LanguageServer
-from pygls.types import (CompletionItem, CompletionItemKind, CompletionList,
-                         CompletionParams, CompletionTriggerKind,
-                         DocumentFormattingParams, Hover, InitializeParams,
-                         MarkupContent, MarkupKind, Position, Range,
-                         TextDocumentPositionParams, TextEdit)

 from .api import API
-from .formatter import Formatter
-from .parser import ListParser

 logger = logging.getLogger(__name__)


 class CMakeLanguageServer(LanguageServer):
-    _parser: ListParser
-    _api: API
+    _api: Optional[API]

-    def __init__(self, *args):
+    def __init__(self, *args: Any) -> None:
        super().__init__(*args)

-        self._parser = ListParser()
        self._api = None

        @self.feature(INITIALIZE)
-        def initialize(params: InitializeParams):
-            opts = params.initializationOptions
+        def initialize(params: InitializeParams) -> None:
+            opts = params.initialization_options

-            cmake = getattr(opts, 'cmakeExecutable', 'cmake')
-            builddir = getattr(opts, 'buildDirectory', '')
-            logging.info(f'cmakeExecutable={cmake}, buildDirectory={builddir}')
+            cmake = getattr(opts, "cmakeExecutable", "cmake")
+            builddir = getattr(opts, "buildDirectory", "")
+            logging.info(f"cmakeExecutable={cmake}, buildDirectory={builddir}")

            self._api = API(cmake, Path(builddir))
            self._api.parse_doc()

-        @self.feature(COMPLETION, trigger_characters=['{', '('])
-        def completions(params: CompletionParams):
-            if (params.context.triggerKind ==
-                    CompletionTriggerKind.TriggerCharacter):
-                token = ''
-                trigger = params.context.triggerCharacter
+        trigger_characters = ["{", "("]
+
+        @self.feature(
+            COMPLETION, CompletionOptions(trigger_characters=trigger_characters)
+        )
+        def completions(params: CompletionParams) -> CompletionList:
+            assert self._api is not None
+
+            if (
+                params.context is not None
+                and params.context.trigger_kind
+                == CompletionTriggerKind.TriggerCharacter
+            ):
+                token = ""
+                trigger = params.context.trigger_character
            else:
-                word = self._cursor_word(params.textDocument.uri,
-                                         params.position, False)
-                token = '' if word is None else word[0]
+                line = self._cursor_line(params.text_document.uri, params.position)
+                idx = params.position.character - 1
+                if 0 <= idx < len(line) and line[idx] in trigger_characters:
+                    token = ""
+                    trigger = line[idx]
+                else:
+                    word = self._cursor_word(
+                        params.text_document.uri, params.position, False
+                    )
+                    token = "" if word is None else word[0]
                    trigger = None

            items: List[CompletionItem] = []
@@ -57,122 +90,170 @@ class CMakeLanguageServer(LanguageServer):
            if trigger is None:
                commands = self._api.search_command(token)
                items.extend(
-                    CompletionItem(x,
-                                   CompletionItemKind.Function,
-                                   documentation=self._api.get_command_doc(x))
-                    for x in commands)
+                    CompletionItem(
+                        label=x,
+                        kind=CompletionItemKind.Function,
+                        documentation=self._api.get_command_doc(x),
+                        insert_text=x,
+                    )
+                    for x in commands
+                )

-            if trigger is None or trigger == '{':
+            if trigger is None or trigger == "{":
                variables = self._api.search_variable(token)
                items.extend(
-                    CompletionItem(x,
-                                   CompletionItemKind.Variable,
-                                   documentation=self._api.get_variable_doc(x))
-                    for x in variables)
+                    CompletionItem(
+                        label=x,
+                        kind=CompletionItemKind.Variable,
+                        documentation=self._api.get_variable_doc(x),
+                        insert_text=x,
+                    )
+                    for x in variables
+                )

            if trigger is None:
                targets = self._api.search_target(token)
                items.extend(
-                    CompletionItem(x, CompletionItemKind.Class)
-                    for x in targets)
+                    CompletionItem(
+                        label=x, kind=CompletionItemKind.Class, insert_text=x
+                    )
+                    for x in targets
+                )

-            if trigger == '(':
-                func = self._cursor_function(params.textDocument.uri,
-                                             params.position)
+            if trigger == "(":
+                func = self._cursor_function(params.text_document.uri, params.position)
                if func is not None:
                    func = func.lower()
-                    if func == 'include':
+                    if func == "include":
                        modules = self._api.search_module(token, False)
                        items.extend(
-                            CompletionItem(x,
-                                           CompletionItemKind.Module,
-                                           documentation=self._api.
-                                           get_module_doc(x, False))
-                            for x in modules)
-                    elif func == 'find_package':
+                            CompletionItem(
+                                label=x,
+                                kind=CompletionItemKind.Module,
+                                documentation=self._api.get_module_doc(x, False),
+                                insert_text=x,
+                            )
+                            for x in modules
+                        )
+                    elif func == "find_package":
                        modules = self._api.search_module(token, True)
                        items.extend(
-                            CompletionItem(x,
-                                           CompletionItemKind.Module,
-                                           documentation=self._api.
-                                           get_module_doc(x, True))
-                            for x in modules)
+                            CompletionItem(
+                                label=x,
+                                kind=CompletionItemKind.Module,
+                                documentation=self._api.get_module_doc(x, True),
+                                insert_text=x,
+                            )
+                            for x in modules
+                        )

-            return CompletionList(False, items)
+            return CompletionList(is_incomplete=False, items=items)
+
+        if shutil.which("cmake-format") is not None:

            @self.feature(FORMATTING)
-        def formatting(params: DocumentFormattingParams):
-            doc = self.workspace.get_document(params.textDocument.uri)
+            def formatting(
+                params: DocumentFormattingParams,
+            ) -> Optional[List[TextEdit]]:
+                doc = self.workspace.get_document(params.text_document.uri)
                content = doc.source
-            tokens, remain = self._parser.parse(content)
-            if remain:
-                self.show_message('CMake parser failed')
-                return None
-
-            formatted = Formatter().format(tokens)
-            lines = content.count('\n')
+                formatted = subprocess.check_output(
+                    ["cmake-format", "-"],
+                    cwd=str(Path(doc.path).parent),
+                    input=content,
+                    universal_newlines=True,
+                )
+                lines = content.count("\n")
                return [
-                TextEdit(Range(Position(0, 0), Position(lines + 1, 0)),
-                         formatted)
+                    TextEdit(
+                        range=Range(
+                            start=Position(line=0, character=0),
+                            end=Position(line=lines + 1, character=0),
+                        ),
+                        new_text=formatted,
+                    )
                ]

        @self.feature(HOVER)
-        def hover(params: TextDocumentPositionParams):
-            word = self._cursor_word(params.textDocument.uri, params.position,
-                                     True)
+        def hover(params: TextDocumentPositionParams) -> Optional[Hover]:
+            assert self._api is not None
+            api = self._api
+
+            word = self._cursor_word(params.text_document.uri, params.position, True)
            if not word:
                return None

-            candidates = [
-                lambda x: self._api.get_command_doc(x.lower()),
-                lambda x: self._api.get_variable_doc(x),
-                lambda x: self._api.get_module_doc(x, False),
-                lambda x: self._api.get_module_doc(x, True),
+            candidates: List[Callable[[str], Optional[str]]] = [
+                lambda x: api.get_command_doc(x.lower()),
+                lambda x: api.get_variable_doc(x),
+                lambda x: api.get_module_doc(x, False),
+                lambda x: api.get_module_doc(x, True),
            ]
            for c in candidates:
                doc = c(word[0])
                if doc is None:
                    continue
-                return Hover(MarkupContent(MarkupKind.Markdown, doc), word[1])
+                return Hover(
+                    contents=MarkupContent(kind=MarkupKind.Markdown, value=doc),
+                    range=word[1],
+                )
            return None

        @self.thread()
-        @self.feature(TEXT_DOCUMENT_DID_SAVE, includeText=False)
+        @self.feature(
+            TEXT_DOCUMENT_DID_SAVE,
+            TextDocumentSaveRegistrationOptions(include_text=False),
+        )
        @self.feature(INITIALIZED)
-        def run_cmake(*args):
+        def run_cmake(*args: Any) -> None:
+            assert self._api is not None
+
            if self._api.query():
                self._api.read_reply()

    def _cursor_function(self, uri: str, position: Position) -> Optional[str]:
        doc = self.workspace.get_document(uri)
-        lines = doc.source.split('\n')[:position.line + 1]
-        lines[-1] = lines[-1][:position.character - 1].strip()
-        words = re.split(r'[\s\n()]+', '\n'.join(lines))
+        lines = doc.source.split("\n")[: position.line + 1]
+        lines[-1] = lines[-1][: position.character - 1].strip()
+        words = re.split(r"[\s\n()]+", "\n".join(lines))
        return words[-1] if words else None

    def _cursor_line(self, uri: str, position: Position) -> str:
        doc = self.workspace.get_document(uri)
        content = doc.source
-        line = content.split('\n')[position.line]
-        return line
+        line = content.split("\n")[position.line]
+        return str(line)

-    def _cursor_word(self,
-                     uri: str,
-                     position: Position,
-                     include_all: bool = True) -> Optional[Tuple[str, Range]]:
+    def _cursor_word(
+        self, uri: str, position: Position, include_all: bool = True
+    ) -> Optional[Tuple[str, Range]]:
        line = self._cursor_line(uri, position)
        cursor = position.character
-        for m in re.finditer(r'\w+', line):
+        for m in re.finditer(r"\w+", line):
            end = m.end() if include_all else cursor
            if m.start() <= cursor <= m.end():
-                word = (line[m.start():end],
-                        Range(Position(position.line, m.start()),
-                              Position(position.line, end)))
+                word = (
+                    line[m.start() : end],
+                    Range(
+                        start=Position(line=position.line, character=m.start()),
+                        end=Position(line=position.line, character=end),
+                    ),
+                )
                return word
        return None


-def main():
+def main() -> None:
+    from argparse import ArgumentParser
+
+    from . import __version__
+
+    parser = ArgumentParser(description="CMake Language Server")
+    parser.add_argument(
+        "--version", action="version", version=f"%(prog)s {__version__}"
+    )
+    parser.parse_args()
+
    logging.basicConfig(level=logging.INFO)
-    logging.getLogger('pygls').setLevel(logging.WARNING)
-    CMakeLanguageServer().start_io()
+    logging.getLogger("pygls").setLevel(logging.WARNING)
+    CMakeLanguageServer().start_io()  # type: ignore
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -2,46 +2,49 @@ import asyncio
 import logging
 import os
 import pprint
+from pathlib import Path
 from subprocess import PIPE, run
 from threading import Thread
+from typing import Iterable, Tuple

 import pytest
-from pygls import features
-from pygls.server import LanguageServer
-
 from cmake_language_server.server import CMakeLanguageServer
+from pygls.lsp.methods import EXIT
+from pygls.server import LanguageServer


@pytest.fixture()
-def cmake_build(shared_datadir):
-    source = shared_datadir / 'cmake'
-    build = source / 'build'
+def cmake_build(shared_datadir: Path) -> Iterable[Path]:
+    source = shared_datadir / "cmake"
+    build = source / "build"
    build.mkdir()
-    p = run(['cmake', str(source)],
+    p = run(
+        ["cmake", str(source)],
        cwd=build,
        stdout=PIPE,
        stderr=PIPE,
-            universal_newlines=True)
+        universal_newlines=True,
+    )
    if p.returncode != 0:
-        logging.error('env:\n' + pprint.pformat(os.environ))
-        logging.error('stdout:\n' + p.stdout)
-        logging.error('stderr:\n' + p.stderr)
+        logging.error("env:\n" + pprint.pformat(os.environ))
+        logging.error("stdout:\n" + p.stdout)
+        logging.error("stderr:\n" + p.stderr)
        raise RuntimeError("CMake failed")
    yield build


@pytest.fixture()
-def client_server():
+def client_server() -> Iterable[Tuple[LanguageServer, CMakeLanguageServer]]:
    c2s_r, c2s_w = os.pipe()
    s2c_r, s2c_w = os.pipe()

-    def start(ls: LanguageServer, fdr, fdw):
+    def start(ls: LanguageServer, fdr: int, fdw: int) -> None:
        # TODO: better patch is needed
        # disable `close()` to avoid error messages
        close = ls.loop.close
-        ls.loop.close = lambda: None
-        ls.start_io(os.fdopen(fdr, 'rb'), os.fdopen(fdw, 'wb'))
-        ls.loop.close = close
+        ls.loop.close = lambda: None  # type: ignore
+        ls.start_io(os.fdopen(fdr, "rb"), os.fdopen(fdw, "wb"))  # type: ignore
+        ls.loop.close = close  # type: ignore

    server = CMakeLanguageServer(asyncio.new_event_loop())
    server_thread = Thread(target=start, args=(server, c2s_r, s2c_w))
@@ -53,7 +56,7 @@ def client_server():

    yield client, server

-    client.send_notification(features.EXIT)
-    server.send_notification(features.EXIT)
+    client.send_notification(EXIT)
+    server.send_notification(EXIT)
    server_thread.join()
    client_thread.join()
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -1,110 +1,122 @@
 import subprocess
+from pathlib import Path

 from cmake_language_server.api import API


-def test_query_with_cache(cmake_build):
-    api = API('cmake', cmake_build)
+def test_query_with_cache(cmake_build: Path) -> None:
+    api = API("cmake", cmake_build)
    assert api.query()

-    query = cmake_build / '.cmake' / 'api' / 'v1' / 'query'
+    query = cmake_build / ".cmake" / "api" / "v1" / "query"
    assert query.exists()

-    reply = cmake_build / '.cmake' / 'api' / 'v1' / 'reply'
+    reply = cmake_build / ".cmake" / "api" / "v1" / "reply"
    assert reply.exists()


-def test_query_without_cache(cmake_build):
-    api = API('cmake', cmake_build)
-    (cmake_build / 'CMakeCache.txt').unlink()
+def test_query_without_cache(cmake_build: Path) -> None:
+    api = API("cmake", cmake_build)
+    (cmake_build / "CMakeCache.txt").unlink()

    assert not api.query()


-def test_read_variable(cmake_build):
-    api = API('cmake', cmake_build)
+def test_read_variable(cmake_build: Path) -> None:
+    api = API("cmake", cmake_build)
    assert api.query()
    assert api.read_reply()

-    assert api.get_variable_doc('testproject_BINARY_DIR')
+    assert api.get_variable_doc("testproject_BINARY_DIR")


-def test_read_cmake_files(cmake_build):
-    api = API('cmake', cmake_build)
+def test_read_cmake_files(cmake_build: Path) -> None:
+    api = API("cmake", cmake_build)
    api.parse_doc()
    assert api.query()
    api.read_reply()

    import platform
+
    system = platform.system()
-    if system == 'Linux':
-        assert 'GNU' in api.get_variable_doc('CMAKE_CXX_COMPILER_ID')
-    elif system == 'Windows':
-        assert 'MSVC' in api.get_variable_doc('CMAKE_CXX_COMPILER_ID')
+    cxx = api.get_variable_doc("CMAKE_CXX_COMPILER_ID")
+    assert cxx is not None
+    if system == "Linux":
+        assert "GNU" in cxx
+    elif system == "Windows":
+        assert "MSVC" in cxx
+    elif system == "Darwin":
+        assert "Clang" in cxx
    else:
-        raise RuntimeError('Unexpected system')
+        raise RuntimeError("Unexpected system")


-def test_parse_commands(cmake_build):
-    api = API('cmake', cmake_build)
+def test_parse_commands(cmake_build: Path) -> None:
+    api = API("cmake", cmake_build)
    api.parse_doc()

-    p = subprocess.run(['cmake', '--help-command-list'],
+    p = subprocess.run(
+        ["cmake", "--help-command-list"],
        universal_newlines=True,
        stdout=subprocess.PIPE,
-                       stderr=subprocess.PIPE)
-    commands = p.stdout.strip().split('\n')
+        stderr=subprocess.PIPE,
+    )
+    commands = p.stdout.strip().split("\n")

    for command in commands:
-        assert api.get_command_doc(command) is not None, f'{command} not found'
+        assert api.get_command_doc(command) is not None, f"{command} not found"

-    assert 'break()' in api.get_command_doc('break')
-    assert api.get_command_doc('not_existing_command') is None
+    break_doc = api.get_command_doc("break")
+    assert break_doc is not None and "break()" in break_doc
+    assert api.get_command_doc("not_existing_command") is None


-def test_parse_variables(cmake_build):
-    api = API('cmake', cmake_build)
+def test_parse_variables(cmake_build: Path) -> None:
+    api = API("cmake", cmake_build)
    api.parse_doc()

-    p = subprocess.run(['cmake', '--help-variable-list'],
+    p = subprocess.run(
+        ["cmake", "--help-variable-list"],
        universal_newlines=True,
        stdout=subprocess.PIPE,
-                       stderr=subprocess.PIPE)
-    variables = p.stdout.strip().split('\n')
+        stderr=subprocess.PIPE,
+    )
+    variables = p.stdout.strip().split("\n")

    for variable in variables:
-        if '<' in variable:
+        if "<" in variable:
            continue
-        assert api.get_variable_doc(
-            variable) is not None, f'{variable} not found'
+        assert api.get_variable_doc(variable) is not None, f"{variable} not found"

-    assert api.get_variable_doc('BUILD_SHARED_LIBS') is not None
-    assert api.get_variable_doc('not_existing_variable') is None
+    assert api.get_variable_doc("BUILD_SHARED_LIBS") is not None
+    assert api.get_variable_doc("not_existing_variable") is None


-def test_parse_modules(cmake_build):
-    api = API('cmake', cmake_build)
+def test_parse_modules(cmake_build: Path) -> None:
+    api = API("cmake", cmake_build)
    api.parse_doc()

-    p = subprocess.run(['cmake', '--help-module-list'],
+    p = subprocess.run(
+        ["cmake", "--help-module-list"],
        universal_newlines=True,
        stdout=subprocess.PIPE,
-                       stderr=subprocess.PIPE)
-    modules = p.stdout.strip().split('\n')
+        stderr=subprocess.PIPE,
+    )
+    modules = p.stdout.strip().split("\n")

    for module in modules:
-        if module.startswith('Find'):
-            assert api.get_module_doc(module[4:],
-                                      True) is not None, f'{module} not found'
+        if module.startswith("Find"):
+            assert (
+                api.get_module_doc(module[4:], True) is not None
+            ), f"{module} not found"
        else:
-            assert api.get_module_doc(module,
-                                      False) is not None, f'{module} not found'
+            assert api.get_module_doc(module, False) is not None, f"{module} not found"

-    assert api.get_module_doc('GoogleTest', False) is not None
-    assert api.get_module_doc('GoogleTest', True) is None
-    assert api.search_module('GoogleTest', False) == ['GoogleTest']
-    assert api.search_module('GoogleTest', True) == []
-    assert api.get_module_doc('Boost', False) is None
-    assert api.get_module_doc('Boost', True) is not None
-    assert api.search_module('Boost', False) == []
-    assert api.search_module('Boost', True) == ['Boost']
+    assert api.get_module_doc("GoogleTest", False) is not None
+    assert api.get_module_doc("GoogleTest", True) is None
+    assert api.search_module("GoogleTest", False) == ["GoogleTest"]
+    assert api.search_module("GoogleTest", True) == []
+    assert api.get_module_doc("Boost", False) is None
+    assert api.get_module_doc("Boost", True) is not None
+    assert api.search_module("Boost", False) == []
+    assert api.search_module("Boost", True) == ["Boost"]
--- a/tests/test_fomatter.py
+++ b/tests/test_fomatter.py
@@ -1,156 +0,0 @@
-import sys
-from contextlib import contextmanager
-from io import StringIO
-
-from cmake_language_server.formatter import Formatter, main
-from cmake_language_server.parser import ListParser
-
-
-def make_formatter_test(liststr: str, expect: str):
-    def test():
-        tokens, remain = ListParser().parse(liststr)
-        actual = Formatter().format(tokens)
-        assert actual == expect
-
-    return test
-
-
-test_command = make_formatter_test('a()', 'a()\n')
-test_command_tolower = make_formatter_test('A()', 'a()\n')
-test_remove_space = make_formatter_test('''
-  #a
-  b ( c )  # d
-''', '''\
-#a
-b(c)  # d
-''')
-test_indent_if = make_formatter_test(
-    '''
-if()
-a()  # a
- else()
-# b
-b()
-endif()
-''', '''\
-if()
-  a()  # a
-else()
-  # b
-  b()
-endif()
-''')
-test_indent_if_nested = make_formatter_test(
-    '''
-if()
-if()
-a()
-b()
-endif()
-endif()
-''', '''\
-if()
-  if()
-    a()
-    b()
-  endif()
-endif()
-''')
-test_argument = make_formatter_test('a( b c  d)', 'a(b c d)\n')
-test_argument_multiline = make_formatter_test(
-    '''
-if()
-a(b c
-d  # e
-f
-# g
-)  # h
-endif()
-''', '''\
-if()
-  a(
-    b c
-    d  # e
-    f
-    # g
-  )  # h
-endif()
-''')
-
-
-@contextmanager
-def mock_stdin(buf: str):
-    stdin = sys.stdin
-    sys.stdin = StringIO(buf)
-    yield
-    sys.stdin = stdin
-
-
-def test_main_stdin(capsys):
-    with mock_stdin(' a()'):
-        main([])
-    captured = capsys.readouterr()
-    assert captured.out == 'a()\n'
-    assert captured.err == ''
-
-
-def test_main_stdin_diff(capsys):
-    with mock_stdin(' a()'):
-        main(['-d'])
-    captured = capsys.readouterr()
-    assert '- a()' in captured.out
-    assert '+a()' in captured.out
-    assert captured.err == ''
-
-
-def test_main_file_1(capsys, tmp_path):
-    testfile1 = tmp_path / 'list1.cmake'
-    with testfile1.open('w') as fp:
-        fp.write(' a()')
-
-    main([str(testfile1)])
-    captured = capsys.readouterr()
-    assert captured.out == 'a()\n'
-    assert captured.err == ''
-
-
-def test_main_file_2(capsys, tmp_path):
-    testfile1 = tmp_path / 'list1.cmake'
-    with testfile1.open('w') as fp:
-        fp.write(' a()')
-    testfile2 = tmp_path / 'list2.cmake'
-    with testfile2.open('w') as fp:
-        fp.write(' b()')
-
-    main([str(testfile1), str(testfile2)])
-    captured = capsys.readouterr()
-    assert captured.out == 'a()\nb()\n'
-    assert captured.err == ''
-
-
-def test_main_inplace(capsys, tmp_path):
-    testfile1 = tmp_path / 'list1.cmake'
-    with testfile1.open('w') as fp:
-        fp.write(' a()')
-
-    main(['-i', str(testfile1)])
-    captured = capsys.readouterr()
-    assert captured.out == ''
-    assert captured.err == ''
-
-    with testfile1.open() as fp:
-        content = fp.read()
-    assert content == 'a()\n'
-
-
-def test_main_diff(capsys, tmp_path):
-    testfile1 = tmp_path / 'list1.cmake'
-    with testfile1.open('w') as fp:
-        fp.write(' a()')
-
-    main(['-d', str(testfile1)])
-    captured = capsys.readouterr()
-    assert str(testfile1) in captured.out
-    assert '- a()' in captured.out
-    assert '+a()' in captured.out
-    assert captured.err == ''
--- a/tests/test_parser.py
+++ b/tests/test_parser.py
@@ -1,64 +0,0 @@
-from typing import List
-
-from cmake_language_server.parser import ListParser, TokenType
-
-
-def make_parser_test(liststr: str,
-                     expect_token: List[TokenType],
-                     expect_remain: str = ''):
-    def test():
-        actual_token, actual_remain = ListParser().parse(liststr)
-        assert actual_token == expect_token
-        assert actual_remain == expect_remain
-
-    return test
-
-
-test_command_no_args = make_parser_test('a()', [('a', [])])
-test_command_space = make_parser_test(' a ()', [' ', ('a', [])])
-test_command_arg = make_parser_test('a(b)', [('a', ['b'])])
-test_command_arg_space = make_parser_test('a ( b )', [('a', ['b'])])
-test_command_arg_escape = make_parser_test(r'a(\n\")', [('a', [r'\n\"'])])
-test_command_arg_paren = make_parser_test('a((b))', [('a', ['(', 'b', ')'])])
-test_command_arg_paren_paren = make_parser_test(
-    'a(((b)))', [('a', ['(', '(', 'b', ')', ')'])])
-test_command_arg_quote = make_parser_test(r'a("b\"")', [('a', [r'"b\""'])])
-test_command_arg_quote_cont = make_parser_test('a("\\\n")',
-                                               [('a', ['"\\\n"'])])
-test_command_arg_quo_multiline = make_parser_test('''a("b
-c
-")''', [('a', ['"b\nc\n"'])])
-test_command_arg_bracket_0 = make_parser_test('a([[b]])', [('a', ['[[b]]'])])
-test_command_arg_bracket_1 = make_parser_test('a([=[b]=])',
-                                              [('a', ['[=[b]=]'])])
-test_command_arg_space = make_parser_test('a ( b )', [('a', [' ', 'b', ' '])])
-test_command_arg_multi = make_parser_test('a(b c)', [('a', ['b', ' ', 'c'])])
-test_command_multielement = make_parser_test('''a(
-  b
-  c  # c
-)''', [('a', ['\n', '  ', 'b', '\n', '  ', 'c', '  ', '# c', '\n'])])
-test_line_comment = make_parser_test('a() # b # c',
-                                     [('a', []), ' ', '# b # c'])
-test_bracket_comment = make_parser_test('#[[a]]#[[b]]', ['#[[a]]', '#[[b]]'])
-test_bracket_comment_nested = make_parser_test('#[=[[[a]]]=]',
-                                               ['#[=[[[a]]]=]'])
-test_bracket_comment_multiline = make_parser_test('#[[\na\nb\nc\n]]',
-                                                  ['#[[\na\nb\nc\n]]'])
-test_if_block = make_parser_test('''if()
-  a()
-else()
-  b()
-endif()''', [('if', []), '\n', '  ', ('a', []), '\n', ('else', []), '\n', '  ',
-             ('b', []), '\n', ('endif', [])])
-test_comment_multi_linecomment = make_parser_test(
-    '''a()# a
-b() # b
-c()  # c''', [('a', []), '# a', '\n', ('b', []), ' ', '# b', '\n',
-              ('c', []), '  ', '# c'])
-
-test_incomplete_id = make_parser_test('a', [], 'a')
-test_incomplete_command = make_parser_test('a(', [], 'a(')
-test_incomplete_id_after_command = make_parser_test('a()\nb',
-                                                    [('a', []), '\n'], 'b')
-test_incomplete_command_after_command = make_parser_test(
-    'a()\nb(c', [('a', []), '\n'], 'b(c')
--- a/tests/test_server.py
+++ b/tests/test_server.py
@@ -1,35 +1,53 @@
 from concurrent import futures
 from pathlib import Path
-from typing import Optional
+from typing import Any, Dict, Optional, Tuple

-from pygls.features import (COMPLETION, FORMATTING, HOVER, INITIALIZE,
-                            TEXT_DOCUMENT_DID_OPEN)
+from cmake_language_server.server import CMakeLanguageServer
+from pygls.lsp.methods import (
+    COMPLETION,
+    FORMATTING,
+    HOVER,
+    INITIALIZE,
+    TEXT_DOCUMENT_DID_OPEN,
+)
+from pygls.lsp.types import (
+    ClientCapabilities,
+    CompletionContext,
+    CompletionParams,
+    CompletionTriggerKind,
+    DidOpenTextDocumentParams,
+    DocumentFormattingParams,
+    FormattingOptions,
+    InitializeParams,
+    Position,
+    TextDocumentIdentifier,
+    TextDocumentItem,
+    TextDocumentPositionParams,
+)
 from pygls.server import LanguageServer
-from pygls.types import (CompletionContext, CompletionParams,
-                         CompletionTriggerKind, DidOpenTextDocumentParams,
-                         DocumentFormattingParams, FormattingOptions,
-                         InitializeParams, Position, TextDocumentIdentifier,
-                         TextDocumentItem, TextDocumentPositionParams)

 CALL_TIMEOUT = 2


-def _init(client: LanguageServer, root: Path):
+def _init(client: LanguageServer, root: Path) -> None:
    retry = 3
    while retry > 0:
        try:
            client.lsp.send_request(
                INITIALIZE,
                InitializeParams(
-                    process_id=1234, root_uri=root.as_uri(),
-                    capabilities=None)).result(timeout=CALL_TIMEOUT)
+                    process_id=1234,
+                    root_uri=root.as_uri(),
+                    capabilities=ClientCapabilities(),
+                ),
+            ).result(timeout=CALL_TIMEOUT)
        except futures.TimeoutError:
            retry -= 1
        else:
            break


-def _open(client: LanguageServer, path: Path, text: Optional[str] = None):
+def _open(client: LanguageServer, path: Path, text: Optional[str] = None) -> None:
    if text is None:
        with open(path) as fp:
            text = fp.read()
@@ -37,10 +55,39 @@ def _open(client: LanguageServer, path: Path, text: Optional[str] = None):
    client.lsp.notify(
        TEXT_DOCUMENT_DID_OPEN,
        DidOpenTextDocumentParams(
-            TextDocumentItem(path.as_uri(), 'cmake', 1, text)))
+            text_document=TextDocumentItem(
+                uri=path.as_uri(), language_id="cmake", version=1, text=text
+            )
+        ),
+    )


-def test_initialize(client_server, datadir):
+def _test_completion(
+    client_server: Tuple[LanguageServer, CMakeLanguageServer],
+    datadir: Path,
+    content: str,
+    context: Optional[CompletionContext],
+) -> Dict[str, Any]:
+    client, server = client_server
+    _init(client, datadir)
+    path = datadir / "CMakeLists.txt"
+    _open(client, path, content)
+    params = CompletionParams(
+        text_document=TextDocumentIdentifier(uri=path.as_uri()),
+        position=Position(line=0, character=len(content)),
+        context=context,
+    )
+    if context is None:
+        # some clients do not send context
+        del params.context
+    ret = client.lsp.send_request(COMPLETION, params).result(timeout=CALL_TIMEOUT)
+    assert isinstance(ret, dict)
+    return ret
+
+
+def test_initialize(
+    client_server: Tuple[LanguageServer, CMakeLanguageServer], datadir: Path
+) -> None:
    client, server = client_server

    assert server._api is None
@@ -48,83 +95,111 @@ def test_initialize(client_server, datadir):
    assert server._api is not None


-def test_completions_invoked(client_server, datadir):
-    client, server = client_server
-    _init(client, datadir)
-    path = datadir / 'CMakeLists.txt'
-    _open(client, path, 'projec')
-    response = client.lsp.send_request(
-        COMPLETION,
-        CompletionParams(TextDocumentIdentifier(path.as_uri()), Position(
-            0, 6), CompletionContext(
-                CompletionTriggerKind.Invoked))).result(timeout=CALL_TIMEOUT)
-    item = next(filter(lambda x: x.label == 'project', response.items), None)
+def test_completions_invoked(
+    client_server: Tuple[LanguageServer, CMakeLanguageServer], datadir: Path
+) -> None:
+    response = _test_completion(
+        client_server,
+        datadir,
+        "projec",
+        CompletionContext(trigger_kind=CompletionTriggerKind.Invoked),
+    )
+    item = next(filter(lambda x: x["label"] == "project", response["items"]), None)
    assert item is not None
-    assert '<PROJECT-NAME>' in item.documentation
+    assert isinstance(item["documentation"], str)
+    assert "<PROJECT-NAME>" in item["documentation"]


-def test_completions_triggercharacter_variable(client_server, datadir):
+def test_completions_nocontext(
+    client_server: Tuple[LanguageServer, CMakeLanguageServer], datadir: Path
+) -> None:
+    response = _test_completion(client_server, datadir, "projec", None)
+    item = next(filter(lambda x: x["label"] == "project", response["items"]), None)
+    assert item is not None
+    assert isinstance(item["documentation"], str)
+    assert "<PROJECT-NAME>" in item["documentation"]
+
+
+def test_completions_triggercharacter_variable(
+    client_server: Tuple[LanguageServer, CMakeLanguageServer], datadir: Path
+) -> None:
+    response = _test_completion(
+        client_server,
+        datadir,
+        "${",
+        CompletionContext(
+            trigger_kind=CompletionTriggerKind.TriggerCharacter, trigger_character="{"
+        ),
+    )
+    assert "PROJECT_VERSION" in [x["label"] for x in response["items"]]
+
+    response_nocontext = _test_completion(client_server, datadir, "${", None)
+    assert response == response_nocontext
+
+
+def test_completions_triggercharacter_module(
+    client_server: Tuple[LanguageServer, CMakeLanguageServer], datadir: Path
+) -> None:
+    response = _test_completion(
+        client_server,
+        datadir,
+        "include(",
+        CompletionContext(
+            trigger_kind=CompletionTriggerKind.TriggerCharacter, trigger_character="("
+        ),
+    )
+    assert "GoogleTest" in [x["label"] for x in response["items"]]
+
+    response_nocontext = _test_completion(client_server, datadir, "include(", None)
+    assert response == response_nocontext
+
+
+def test_completions_triggercharacter_package(
+    client_server: Tuple[LanguageServer, CMakeLanguageServer], datadir: Path
+) -> None:
+    response = _test_completion(
+        client_server,
+        datadir,
+        "find_package(",
+        CompletionContext(
+            trigger_kind=CompletionTriggerKind.TriggerCharacter, trigger_character="("
+        ),
+    )
+    assert "Boost" in [x["label"] for x in response["items"]]
+
+    response_nocontext = _test_completion(client_server, datadir, "find_package(", None)
+    assert response == response_nocontext
+
+
+def test_formatting(
+    client_server: Tuple[LanguageServer, CMakeLanguageServer], datadir: Path
+) -> None:
    client, server = client_server
    _init(client, datadir)
-    path = datadir / 'CMakeLists.txt'
-    _open(client, path, '${')
-    response = client.lsp.send_request(
-        COMPLETION,
-        CompletionParams(
-            TextDocumentIdentifier(path.as_uri()), Position(0, 2),
-            CompletionContext(CompletionTriggerKind.TriggerCharacter,
-                              '{'))).result(timeout=CALL_TIMEOUT)
-    assert 'PROJECT_VERSION' in [x.label for x in response.items]
-
-
-def test_completions_triggercharacter_module(client_server, datadir):
-    client, server = client_server
-    _init(client, datadir)
-    path = datadir / 'CMakeLists.txt'
-    _open(client, path, 'include(')
-    response = client.lsp.send_request(
-        COMPLETION,
-        CompletionParams(
-            TextDocumentIdentifier(path.as_uri()), Position(0, 8),
-            CompletionContext(CompletionTriggerKind.TriggerCharacter,
-                              '('))).result(timeout=CALL_TIMEOUT)
-    assert 'GoogleTest' in [x.label for x in response.items]
-
-
-def test_completions_triggercharacter_package(client_server, datadir):
-    client, server = client_server
-    _init(client, datadir)
-    path = datadir / 'CMakeLists.txt'
-    _open(client, path, 'find_package(')
-    response = client.lsp.send_request(
-        COMPLETION,
-        CompletionParams(
-            TextDocumentIdentifier(path.as_uri()), Position(0, 13),
-            CompletionContext(CompletionTriggerKind.TriggerCharacter,
-                              '('))).result(timeout=CALL_TIMEOUT)
-    assert 'Boost' in [x.label for x in response.items]
-
-
-def test_formatting(client_server, datadir):
-    client, server = client_server
-    _init(client, datadir)
-    path = datadir / 'CMakeLists.txt'
-    _open(client, path, 'a ( b c ) ')
+    path = datadir / "CMakeLists.txt"
+    _open(client, path, "a ( b c ) ")
    response = client.lsp.send_request(
        FORMATTING,
-        DocumentFormattingParams(TextDocumentIdentifier(path.as_uri()),
-                                 FormattingOptions(
-                                     2, True))).result(timeout=CALL_TIMEOUT)
-    assert response[0].newText == 'a(b c)\n'
+        DocumentFormattingParams(
+            text_document=TextDocumentIdentifier(uri=path.as_uri()),
+            options=FormattingOptions(tab_size=2, insert_spaces=True),
+        ),
+    ).result(timeout=CALL_TIMEOUT)
+    assert response[0]["newText"] == "a(b c)\n"


-def test_hover(client_server, datadir):
+def test_hover(
+    client_server: Tuple[LanguageServer, CMakeLanguageServer], datadir: Path
+) -> None:
    client, server = client_server
    _init(client, datadir)
-    path = datadir / 'CMakeLists.txt'
-    _open(client, path, 'project()')
+    path = datadir / "CMakeLists.txt"
+    _open(client, path, "project()")
    response = client.lsp.send_request(
        HOVER,
-        TextDocumentPositionParams(TextDocumentIdentifier(path.as_uri()),
-                                   Position())).result(timeout=CALL_TIMEOUT)
-    assert '<PROJECT-NAME>' in response.contents.value
+        TextDocumentPositionParams(
+            text_document=TextDocumentIdentifier(uri=path.as_uri()),
+            position=Position(line=0, character=0),
+        ),
+    ).result(timeout=CALL_TIMEOUT)
+    assert "<PROJECT-NAME>" in response["contents"]["value"]
--- a/tox.ini
+++ b/tox.ini
@@ -1,26 +1,38 @@
 [tox]
 isolated_build = True
 skipsdist = True
-envlist = py36, py37, py38, lint
+envlist = py{36,37,38,39,310}-{linux,windows}

 [gh-actions]
 python =
    3.6: py36
-    3.7: py37, lint
+    3.7: py37
    3.8: py38
+    3.9: py39
+    3.10: py310
+
+[gh-actions:env]
+os =
+    ubuntu-18.04: linux
+    windows-2019: windows

 [testenv]
-whitelist_externals = poetry
+allowlist_externals =
+    poetry
+    git
 skip_install = true
-passenv = INCLUDE LIB LIBPATH Platform VCTools* VSCMD_* WindowsSDK*
+passenv = *
 commands_pre =
    poetry install
 commands =
-    poetry run pytest --cov-report=term --cov-report=xml --cov=src -sv tests
+    pytest --cov-report=term --cov-report=xml --cov=src -sv tests

-[testenv:lint]
+    pip install "pysen[lint]"
+    pip install "black>=22.3.0"
+    pysen run format
+    git diff --exit-code --ignore-submodules
+    pysen run lint
+
+[testenv:py310-windows]
 commands =
-    poetry run isort -c -rc src tests
-    poetry run yapf -d -r src tests
-    poetry run flake8 src tests
-    poetry run mypy src tests
+    pytest --cov-report=term --cov-report=xml --cov=src -sv tests
Author	SHA1	Message	Date
Regen	6de2cc3867	Release v0.1.5 (#53 )	2022-06-11 12:09:33 +09:00
Regen	1fefcb4cba	Use cmakelang formatter (#52 )	2022-05-01 23:43:22 +09:00
Regen	f0cfa8b13f	Release v0.1.4 (#51 )	2022-04-30 23:54:34 +09:00
Regen	722dae419e	Remove cmake-format (#50 )	2022-04-30 02:54:19 +09:00
Regen	6a3140f105	Fix CI (#49 )	2022-04-30 02:28:35 +09:00
dev-bz	4dec2f5afa	Update server.py (#48 ) Fixed a spelling error	2022-04-18 12:20:58 +09:00
offa	9f7754f0e6	Add Python 3.10 CI build (#45 )	2021-10-07 12:28:22 +09:00
Charlie Vieth	9630b96935	poetry: update pygls to version 0.11.2 (#42 ) Update pygls to version 0.11.2 and change the version requirement to '^0.11' this removes a conflict with jedi-language-server which requires pygls>=0.11.1,<0.12.0. This commit also bumps the cmake-language-server version to 0.1.3.	2021-10-03 15:13:39 +09:00
Regen	76e34ae628	Fix __version__ (#43 )	2021-10-03 12:51:16 +09:00
Regen	cbb6bdd1ae	Fix parse_modules (#44 )	2021-10-03 12:46:02 +09:00
Regen	a5af5b505f	Update pygls (#38 )	2021-03-28 23:49:27 +09:00
Regen	4d120a6a98	Replace linter (#37 )	2021-03-28 22:23:57 +09:00
KOLANICH	6e839f7675	Added .editorconfig. (#35 ) Applies some elements of PEP8 during editing in the editors supporting it.	2021-01-23 16:07:22 +09:00
KOLANICH	cade1e2c45	Fixed build system requirements in pyproject.toml. (#34 ) Poetry depends on lot of dependencies having nothing common with building packages. That's why poetry-core was created, which has much less dependencies and more focused on building wheels.	2021-01-23 16:04:06 +09:00
Regen	d16d3b24ef	Merge pull request #31 from jargonzombies/doc-and-spelling Some documentation and misspelling fixes	2020-11-08 16:48:02 +09:00
Jan-Grimo Sobez	4be7657edb	Some documentation and misspelling fixes	2020-11-07 22:09:42 +01:00
Regen	040f0b9f0c	Merge pull request #28 from regen100/add-doc Add doc	2020-08-22 16:58:58 +09:00
Regen	ef2c31c6a3	Add doc	2020-08-22 15:15:45 +09:00
Regen	87879ee5df	Merge pull request #27 from regen100/replace-linter Replace yapf with black	2020-08-22 14:54:15 +09:00
Regen	01b1fac73e	Replace yapf with black	2020-08-22 14:38:29 +09:00
Regen	5550cb259c	Merge pull request #24 from r-burns/darwin Fix test_read_cmake_files on macOS	2020-07-29 12:42:32 +09:00
Regen	466c5b7bcc	Run CI on PR	2020-07-29 12:31:44 +09:00
Ryan Burns	0ec120f391	Fix test_read_cmake_files on macOS	2020-07-27 00:55:16 -07:00
Regen	5d916b6989	Merge pull request #19 from regen100/release-v0.1.2 Release v0.1.2	2020-06-07 22:01:20 +09:00
Regen	1c606ee8a8	Release v0.1.2	2020-06-07 21:50:21 +09:00
Regen	cdb62adce3	Merge pull request #18 from regen100/fix-ci Fix CI	2020-06-07 20:17:27 +09:00
Regen	6ac3b1d17f	Fix CI	2020-06-07 19:52:24 +09:00
Regen	ce2c3a21db	Merge pull request #17 from regen100/update-doc Update README	2020-06-06 15:23:44 +09:00
Regen	3697fae2d3	Update README	2020-06-06 14:52:03 +09:00
Regen	48d5980a36	Merge pull request #13 from regen100/fix-vim-lsp Fix vim lsp	2020-04-29 23:45:46 +09:00
Regen	e07b3242c8	Add test	2020-04-29 22:57:43 +09:00
Regen	2d36887b26	Support no TriggerCharacter	2020-04-29 19:25:51 +09:00
Regen	67aced6544	Add encoding	2020-04-29 18:04:23 +09:00
Regen	3c171b9e25	Fix CompletionItem for vim-lsp	2020-04-29 17:56:09 +09:00
Regen	c8c284e061	Merge pull request #12 from regen100/fix-completion Fix error without completion context	2020-04-29 16:09:21 +09:00
Regen	6bf08e0f14	Fix error without completion context	2020-04-29 15:57:25 +09:00
Regen	40d93525d9	Merge pull request #8 from regen100/add-version Add --version to cmake-language-server	2020-03-07 00:26:36 +09:00
Regen	f8136d6dbc	Disable patch status	2020-03-07 00:21:50 +09:00
Regen	5af6555d3c	Add --version to cmake-language-server	2020-03-07 00:09:43 +09:00