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This commit is contained in:
Ivar Fatland
2026-05-01 17:33:32 +02:00
parent 9ff13e3007
commit c4318fcfca
8 changed files with 165 additions and 22 deletions
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ctags-ls/justfile
+4
View File
@@ -0,0 +1,4 @@
test:
uv run pytest
tag:
ctags -R ~/cig/ .
ctags-ls/pyproject.toml
+1
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@@ -6,6 +6,7 @@ readme = "README.md"
requires-python = ">=3.14"
dependencies = [
"pygls>=2.1.1",
"pytest>=9.0.3",
]
[project.scripts]
ctags-ls/src/ctags_ls/__init__.py
+6 -19
View File
@@ -1,10 +1,10 @@
from dataclasses import dataclass
from pathlib import Path
from typing import final
from pygls.lsp.server import LanguageServer
from lsprotocol import types
from ctags_ls.tags import Tags
ls = LanguageServer("ctags-ls", "v0.1")
tags = Tags(ls)
@ls.feature(
types.TEXT_DOCUMENT_COMPLETION,
@@ -12,9 +12,9 @@ ls = LanguageServer("ctags-ls", "v0.1")
)
def completions(params: types.CompletionParams):
items = [
types.CompletionItem(label="foo"),
types.CompletionItem(label="bar"),
types.CompletionItem(label="baz"),
types.CompletionItem(label=symbol, documentation=f'***{tag.type}*** **{tag.location}** {tag.file}')
for symbol, tags in tags.symbols.items()
for tag in tags
]
document = ls.workspace.get_text_document(params.text_document.uri)
current_line = document.lines[params.position.line][:params.position.character]
@@ -27,16 +27,3 @@ def completions(params: types.CompletionParams):
def main():
ls.start_io()
@final
class Tags:
def __init__(self) -> None:
self.last_mtime: int = 0
self.cache: dict[str, Tag] = {}
@dataclass
class Tag:
symbol: str
file: Path
search_pattern: str
type: types.CompletionItemKind
ctags-ls/src/ctags_ls/tags.py
+69
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@@ -0,0 +1,69 @@
from collections.abc import Mapping, Sequence
from dataclasses import dataclass
import os
from pathlib import Path
import re
from typing import final
TAGS_PATH = Path('tags')
@final
class Tags:
def __init__(self, tags_path: Path = TAGS_PATH) -> None:
self._last_mtime: float = 0.0
self._cache: dict[str, list[Tag]] = {}
self.TAGS_PATH = tags_path
@property
def symbols(self) -> Mapping[str, Sequence[Tag]]:
self._assure_valid_cache()
return self._cache
def _assure_valid_cache(self) -> None:
curr_mtime = os.path.getmtime(self.TAGS_PATH)
if curr_mtime > self._last_mtime:
self._update_cache()
self._last_mtime = curr_mtime
def _update_cache(self):
self._cache = {}
with self.TAGS_PATH.open('r') as f:
lines = (l for l in f.readlines() if not l.startswith('!_'))
for line in lines:
symbol, file, location, type, *_ = line.split('\t')
location = location.removesuffix(';"')
if is_int(location):
location = int(location)
else:
location = (
location
.removesuffix("/")
.removesuffix("$")
.removeprefix("/^")
.replace("\\\\", "\\")
.replace("\\/", "/")
)
location = re.compile(f'^{re.escape(location)}')
l = self._cache.get(symbol, [])
l.append(Tag(
symbol=symbol,
file=Path(file),
location=location,
type=type.strip()
))
self._cache[symbol] = l
def is_int(s: str) -> bool:
if not s:
return False
if s[0] in '+-':
return s[1:].isdecimal() and len(s) > 1
return s.isdecimal()
@dataclass(slots=True, frozen=True)
class Tag:
symbol: str
file: Path
location: re.Pattern[str] | int
type: str
ctags-ls/tests/__init__.py
View File
ctags-ls/tests/test_Tags_parsing.py
+19
View File
@@ -0,0 +1,19 @@
import re
from pathlib import Path
from ctags_ls.tags import Tags
# TODO: generate the tags file dynamically as preperation to the test.
def test_parsing():
tags_path = Path(__file__).parent.resolve() / 'tags'
tags = Tags(tags_path=tags_path)
for tags in tags.symbols.values():
for tag in tags:
assert len(tag.type) == 1
assert tag.file.is_file()
text = tag.file.read_text()
if isinstance(tag.location, re.Pattern):
assert next(tag.location.finditer(text), None) is not None, f'{tag.location.pattern} has no matches in {tag.file}'
else:
assert text.count('\n') >= tag.location
ctags-ls/uv.lock
Generated
+66 -1
View File
@@ -24,16 +24,38 @@ wheels = [
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]
[[package]]
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version = "0.4.6"
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]
[[package]]
name = "ctags-ls"
version = "0.1.0"
source = { editable = "." }
dependencies = [
{ name = "pygls" },
{ name = "pytest" },
]
[package.metadata]
requires-dist = [{ name = "pygls", specifier = ">=2.1.1" }]
requires-dist = [
{ name = "pygls", specifier = ">=2.1.1" },
{ name = "pytest", specifier = ">=9.0.3" },
]
[[package]]
name = "iniconfig"
version = "2.3.0"
source = { registry = "https://pypi.org/simple" }
sdist = { url = "https://files.pythonhosted.org/packages/72/34/14ca021ce8e5dfedc35312d08ba8bf51fdd999c576889fc2c24cb97f4f10/iniconfig-2.3.0.tar.gz", hash = "sha256:c76315c77db068650d49c5b56314774a7804df16fee4402c1f19d6d15d8c4730", size = 20503, upload-time = "2025-10-18T21:55:43.219Z" }
wheels = [
{ url = "https://files.pythonhosted.org/packages/cb/b1/3846dd7f199d53cb17f49cba7e651e9ce294d8497c8c150530ed11865bb8/iniconfig-2.3.0-py3-none-any.whl", hash = "sha256:f631c04d2c48c52b84d0d0549c99ff3859c98df65b3101406327ecc7d53fbf12", size = 7484, upload-time = "2025-10-18T21:55:41.639Z" },
]
[[package]]
name = "lsprotocol"
@@ -48,6 +70,24 @@ wheels = [
{ url = "https://files.pythonhosted.org/packages/7b/f0/92f2d609d6642b5f30cb50a885d2bf1483301c69d5786286500d15651ef2/lsprotocol-2025.0.0-py3-none-any.whl", hash = "sha256:f9d78f25221f2a60eaa4a96d3b4ffae011b107537facee61d3da3313880995c7", size = 76250, upload-time = "2025-06-17T21:30:19.455Z" },
]
[[package]]
name = "packaging"
version = "26.2"
source = { registry = "https://pypi.org/simple" }
sdist = { url = "https://files.pythonhosted.org/packages/d7/f1/e7a6dd94a8d4a5626c03e4e99c87f241ba9e350cd9e6d75123f992427270/packaging-26.2.tar.gz", hash = "sha256:ff452ff5a3e828ce110190feff1178bb1f2ea2281fa2075aadb987c2fb221661", size = 228134, upload-time = "2026-04-24T20:15:23.917Z" }
wheels = [
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[[package]]
name = "pluggy"
version = "1.6.0"
source = { registry = "https://pypi.org/simple" }
sdist = { url = "https://files.pythonhosted.org/packages/f9/e2/3e91f31a7d2b083fe6ef3fa267035b518369d9511ffab804f839851d2779/pluggy-1.6.0.tar.gz", hash = "sha256:7dcc130b76258d33b90f61b658791dede3486c3e6bfb003ee5c9bfb396dd22f3", size = 69412, upload-time = "2025-05-15T12:30:07.975Z" }
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]
[[package]]
name = "pygls"
version = "2.1.1"
@@ -62,6 +102,31 @@ wheels = [
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[[package]]
name = "pygments"
version = "2.20.0"
source = { registry = "https://pypi.org/simple" }
sdist = { url = "https://files.pythonhosted.org/packages/c3/b2/bc9c9196916376152d655522fdcebac55e66de6603a76a02bca1b6414f6c/pygments-2.20.0.tar.gz", hash = "sha256:6757cd03768053ff99f3039c1a36d6c0aa0b263438fcab17520b30a303a82b5f", size = 4955991, upload-time = "2026-03-29T13:29:33.898Z" }
wheels = [
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[[package]]
name = "pytest"
version = "9.0.3"
source = { registry = "https://pypi.org/simple" }
dependencies = [
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{ name = "iniconfig" },
{ name = "packaging" },
{ name = "pluggy" },
{ name = "pygments" },
]
sdist = { url = "https://files.pythonhosted.org/packages/7d/0d/549bd94f1a0a402dc8cf64563a117c0f3765662e2e668477624baeec44d5/pytest-9.0.3.tar.gz", hash = "sha256:b86ada508af81d19edeb213c681b1d48246c1a91d304c6c81a427674c17eb91c", size = 1572165, upload-time = "2026-04-07T17:16:18.027Z" }
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[[package]]
name = "typing-extensions"
version = "4.15.0"
nvim/.config/nvim/init.lua
-2
View File
@@ -831,7 +831,6 @@ require'lazy'.setup{ --{{{1
'hrsh7th/cmp-path',
'dcampos/nvim-snippy',
'dcampos/cmp-snippy',
'quangnguyen30192/cmp-nvim-tags',
},
config = function()
local cmp = require'cmp'
@@ -850,7 +849,6 @@ require'lazy'.setup{ --{{{1
{
{ name = 'snippy', priority = 100000000000000000000 },
{ name = 'nvim_lsp', priority = 1000000000},
{ name = 'tags', priority = 100 },
{ name = 'path', priority = 1},
}
),