mirror of
https://github.com/neovim/neovim.git
synced 2024-12-20 03:05:11 -07:00
ab1edecfb7
vim.iter wraps a table or iterator function into an `Iter` object with methods such as `filter`, `map`, and `fold` which can be chained to produce iterator pipelines that do not create new tables at each step.
1284 lines
44 KiB
Python
Executable File
1284 lines
44 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Generates Nvim :help docs from C/Lua docstrings, using Doxygen.
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Also generates *.mpack files. To inspect the *.mpack structure:
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:new | put=v:lua.vim.inspect(v:lua.vim.mpack.unpack(readfile('runtime/doc/api.mpack','B')))
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Flow:
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main
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extract_from_xml
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fmt_node_as_vimhelp \
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para_as_map } recursive
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update_params_map /
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render_node
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TODO: eliminate this script and use Lua+treesitter (requires parsers for C and
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Lua markdown-style docstrings).
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The generated :help text for each function is formatted as follows:
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- Max width of 78 columns (`text_width`).
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- Indent with spaces (not tabs).
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- Indent of 4 columns for body text (`indentation`).
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- Function signature and helptag (right-aligned) on the same line.
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- Signature and helptag must have a minimum of 8 spaces between them.
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- If the signature is too long, it is placed on the line after the helptag.
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Signature wraps at `text_width - 8` characters with subsequent
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lines indented to the open parenthesis.
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- Subsection bodies are indented an additional 4 spaces.
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- Body consists of function description, parameters, return description, and
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C declaration (`INCLUDE_C_DECL`).
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- Parameters are omitted for the `void` and `Error *` types, or if the
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parameter is marked as [out].
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- Each function documentation is separated by a single line.
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"""
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import argparse
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import os
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import re
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import sys
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import shutil
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import textwrap
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import subprocess
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import collections
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import msgpack
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import logging
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from pathlib import Path
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from xml.dom import minidom
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MIN_PYTHON_VERSION = (3, 6)
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MIN_DOXYGEN_VERSION = (1, 9, 0)
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if sys.version_info < MIN_PYTHON_VERSION:
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print("requires Python {}.{}+".format(*MIN_PYTHON_VERSION))
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sys.exit(1)
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doxygen_version = tuple((int(i) for i in subprocess.check_output(["doxygen", "-v"],
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universal_newlines=True).split()[0].split('.')))
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if doxygen_version < MIN_DOXYGEN_VERSION:
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print("\nRequires doxygen {}.{}.{}+".format(*MIN_DOXYGEN_VERSION))
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print("Your doxygen version is {}.{}.{}\n".format(*doxygen_version))
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sys.exit(1)
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# Need a `nvim` that supports `-l`, try the local build
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nvim_path = Path(__file__).parent / "../build/bin/nvim"
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if nvim_path.exists():
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nvim = str(nvim_path)
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else:
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# Until 0.9 is released, use this hacky way to check that "nvim -l foo.lua" works.
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nvim_out = subprocess.check_output(['nvim', '-h'], universal_newlines=True)
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nvim_version = [line for line in nvim_out.split('\n')
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if '-l ' in line]
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if len(nvim_version) == 0:
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print((
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"\nYou need to have a local Neovim build or a `nvim` version 0.9 for `-l` "
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"support to build the documentation."))
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sys.exit(1)
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nvim = 'nvim'
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# DEBUG = ('DEBUG' in os.environ)
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INCLUDE_C_DECL = ('INCLUDE_C_DECL' in os.environ)
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INCLUDE_DEPRECATED = ('INCLUDE_DEPRECATED' in os.environ)
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log = logging.getLogger(__name__)
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LOG_LEVELS = {
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logging.getLevelName(level): level for level in [
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logging.DEBUG, logging.INFO, logging.ERROR
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]
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}
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text_width = 78
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indentation = 4
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script_path = os.path.abspath(__file__)
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base_dir = os.path.dirname(os.path.dirname(script_path))
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out_dir = os.path.join(base_dir, 'tmp-{target}-doc')
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filter_cmd = '%s %s' % (sys.executable, script_path)
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msgs = [] # Messages to show on exit.
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lua2dox = os.path.join(base_dir, 'scripts', 'lua2dox.lua')
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CONFIG = {
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'api': {
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'mode': 'c',
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'filename': 'api.txt',
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# Section ordering.
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'section_order': [
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'vim.c',
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'vimscript.c',
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'command.c',
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'options.c',
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'buffer.c',
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'extmark.c',
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'window.c',
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'win_config.c',
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'tabpage.c',
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'autocmd.c',
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'ui.c',
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],
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# List of files/directories for doxygen to read, relative to `base_dir`
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'files': ['src/nvim/api'],
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# file patterns used by doxygen
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'file_patterns': '*.h *.c',
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# Only function with this prefix are considered
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'fn_name_prefix': 'nvim_',
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# Section name overrides.
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'section_name': {
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'vim.c': 'Global',
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},
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# For generated section names.
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'section_fmt': lambda name: f'{name} Functions',
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# Section helptag.
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'helptag_fmt': lambda name: f'*api-{name.lower()}*',
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# Per-function helptag.
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'fn_helptag_fmt': lambda fstem, name: f'*{name}()*',
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# Module name overrides (for Lua).
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'module_override': {},
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# Append the docs for these modules, do not start a new section.
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'append_only': [],
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},
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'lua': {
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'mode': 'lua',
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'filename': 'lua.txt',
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'section_order': [
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'_editor.lua',
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'_inspector.lua',
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'shared.lua',
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'loader.lua',
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'uri.lua',
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'ui.lua',
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'filetype.lua',
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'keymap.lua',
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'fs.lua',
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'secure.lua',
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'version.lua',
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'iter.lua',
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],
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'files': [
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'runtime/lua/vim/iter.lua',
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'runtime/lua/vim/_editor.lua',
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'runtime/lua/vim/shared.lua',
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'runtime/lua/vim/loader.lua',
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'runtime/lua/vim/uri.lua',
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'runtime/lua/vim/ui.lua',
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'runtime/lua/vim/filetype.lua',
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'runtime/lua/vim/keymap.lua',
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'runtime/lua/vim/fs.lua',
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'runtime/lua/vim/secure.lua',
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'runtime/lua/vim/version.lua',
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'runtime/lua/vim/_inspector.lua',
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],
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'file_patterns': '*.lua',
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'fn_name_prefix': '',
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'section_name': {
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'lsp.lua': 'core',
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'_inspector.lua': 'inspector',
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},
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'section_fmt': lambda name: (
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'Lua module: vim'
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if name.lower() == '_editor'
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else f'Lua module: {name.lower()}'),
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'helptag_fmt': lambda name: (
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'*lua-vim*'
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if name.lower() == '_editor'
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else f'*lua-{name.lower()}*'),
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'fn_helptag_fmt': lambda fstem, name: (
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f'*vim.{name}()*'
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if fstem.lower() == '_editor'
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else f'*{name}()*'
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if fstem in ('iter.lua')
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else f'*{fstem}.{name}()*'),
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'module_override': {
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# `shared` functions are exposed on the `vim` module.
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'shared': 'vim',
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'_inspector': 'vim',
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'uri': 'vim',
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'ui': 'vim.ui',
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'loader': 'vim.loader',
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'filetype': 'vim.filetype',
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'keymap': 'vim.keymap',
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'fs': 'vim.fs',
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'secure': 'vim.secure',
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'version': 'vim.version',
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},
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'append_only': [
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'shared.lua',
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],
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},
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'lsp': {
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'mode': 'lua',
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'filename': 'lsp.txt',
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'section_order': [
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'lsp.lua',
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'buf.lua',
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'diagnostic.lua',
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'codelens.lua',
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'tagfunc.lua',
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'semantic_tokens.lua',
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'handlers.lua',
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'util.lua',
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'log.lua',
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'rpc.lua',
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'sync.lua',
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'protocol.lua',
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],
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'files': [
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'runtime/lua/vim/lsp',
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'runtime/lua/vim/lsp.lua',
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],
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'file_patterns': '*.lua',
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'fn_name_prefix': '',
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'section_name': {'lsp.lua': 'lsp'},
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'section_fmt': lambda name: (
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'Lua module: vim.lsp'
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if name.lower() == 'lsp'
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else f'Lua module: vim.lsp.{name.lower()}'),
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'helptag_fmt': lambda name: (
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'*lsp-core*'
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if name.lower() == 'lsp'
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else f'*lsp-{name.lower()}*'),
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'fn_helptag_fmt': lambda fstem, name: (
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f'*vim.lsp.{name}()*'
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if fstem == 'lsp' and name != 'client'
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else (
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'*vim.lsp.client*'
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# HACK. TODO(justinmk): class/structure support in lua2dox
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if 'lsp.client' == f'{fstem}.{name}'
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else f'*vim.lsp.{fstem}.{name}()*')),
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'module_override': {},
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'append_only': [],
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},
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'diagnostic': {
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'mode': 'lua',
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'filename': 'diagnostic.txt',
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'section_order': [
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'diagnostic.lua',
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],
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'files': ['runtime/lua/vim/diagnostic.lua'],
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'file_patterns': '*.lua',
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'fn_name_prefix': '',
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'section_name': {'diagnostic.lua': 'diagnostic'},
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'section_fmt': lambda _: 'Lua module: vim.diagnostic',
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'helptag_fmt': lambda _: '*diagnostic-api*',
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'fn_helptag_fmt': lambda fstem, name: f'*vim.{fstem}.{name}()*',
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'module_override': {},
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'append_only': [],
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},
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'treesitter': {
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'mode': 'lua',
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'filename': 'treesitter.txt',
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'section_order': [
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'treesitter.lua',
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'language.lua',
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'query.lua',
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'highlighter.lua',
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'languagetree.lua',
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'playground.lua',
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],
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'files': [
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'runtime/lua/vim/treesitter.lua',
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'runtime/lua/vim/treesitter/',
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],
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'file_patterns': '*.lua',
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'fn_name_prefix': '',
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'section_name': {},
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'section_fmt': lambda name: (
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'Lua module: vim.treesitter'
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if name.lower() == 'treesitter'
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else f'Lua module: vim.treesitter.{name.lower()}'),
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'helptag_fmt': lambda name: (
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'*lua-treesitter-core*'
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if name.lower() == 'treesitter'
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else f'*lua-treesitter-{name.lower()}*'),
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'fn_helptag_fmt': lambda fstem, name: (
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f'*vim.{fstem}.{name}()*'
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if fstem == 'treesitter'
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else f'*{name}()*'
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if name[0].isupper()
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else f'*vim.treesitter.{fstem}.{name}()*'),
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'module_override': {},
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'append_only': [],
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}
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}
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param_exclude = (
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'channel_id',
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)
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# Annotations are displayed as line items after API function descriptions.
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annotation_map = {
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'FUNC_API_FAST': '|api-fast|',
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'FUNC_API_CHECK_TEXTLOCK': 'not allowed when |textlock| is active',
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'FUNC_API_REMOTE_ONLY': '|RPC| only',
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'FUNC_API_LUA_ONLY': 'Lua |vim.api| only',
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}
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# Raises an error with details about `o`, if `cond` is in object `o`,
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# or if `cond()` is callable and returns True.
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def debug_this(o, cond=True):
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name = ''
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if cond is False:
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return
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if not isinstance(o, str):
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try:
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name = o.nodeName
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o = o.toprettyxml(indent=' ', newl='\n')
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except Exception:
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pass
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if (cond is True
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or (callable(cond) and cond())
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or (not callable(cond) and cond in o)):
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raise RuntimeError('xxx: {}\n{}'.format(name, o))
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# Appends a message to a list which will be printed on exit.
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def msg(s):
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msgs.append(s)
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# Print all collected messages.
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def msg_report():
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for m in msgs:
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print(f' {m}')
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# Print collected messages, then throw an exception.
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def fail(s):
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msg_report()
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raise RuntimeError(s)
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def find_first(parent, name):
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"""Finds the first matching node within parent."""
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sub = parent.getElementsByTagName(name)
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if not sub:
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return None
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return sub[0]
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def iter_children(parent, name):
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"""Yields matching child nodes within parent."""
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for child in parent.childNodes:
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if child.nodeType == child.ELEMENT_NODE and child.nodeName == name:
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yield child
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def get_child(parent, name):
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"""Gets the first matching child node."""
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for child in iter_children(parent, name):
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return child
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return None
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def self_or_child(n):
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"""Gets the first child node, or self."""
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if len(n.childNodes) == 0:
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return n
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return n.childNodes[0]
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def align_tags(line):
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tag_regex = r"\s(\*.+?\*)(?:\s|$)"
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tags = re.findall(tag_regex, line)
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if len(tags) > 0:
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line = re.sub(tag_regex, "", line)
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tags = " " + " ".join(tags)
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line = line + (" " * (78 - len(line) - len(tags))) + tags
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return line
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def clean_lines(text):
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"""Removes superfluous lines.
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The beginning and end of the string is trimmed. Empty lines are collapsed.
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"""
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return re.sub(r'\A\n\s*\n*|\n\s*\n*\Z', '', re.sub(r'(\n\s*\n+)+', '\n\n', text))
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def is_blank(text):
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return '' == clean_lines(text)
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def get_text(n, preformatted=False):
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"""Recursively concatenates all text in a node tree."""
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text = ''
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if n.nodeType == n.TEXT_NODE:
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return n.data
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if n.nodeName == 'computeroutput':
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for node in n.childNodes:
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text += get_text(node)
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return '`{}`'.format(text)
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for node in n.childNodes:
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if node.nodeType == node.TEXT_NODE:
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text += node.data
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elif node.nodeType == node.ELEMENT_NODE:
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text += get_text(node, preformatted)
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return text
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|
|
|
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# Gets the length of the last line in `text`, excluding newline ("\n") char.
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def len_lastline(text):
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lastnl = text.rfind('\n')
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if -1 == lastnl:
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return len(text)
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if '\n' == text[-1]:
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return lastnl - (1 + text.rfind('\n', 0, lastnl))
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return len(text) - (1 + lastnl)
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def len_lastline_withoutindent(text, indent):
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n = len_lastline(text)
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return (n - len(indent)) if n > len(indent) else 0
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|
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# Returns True if node `n` contains only inline (not block-level) elements.
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def is_inline(n):
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# if len(n.childNodes) == 0:
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# return n.nodeType == n.TEXT_NODE or n.nodeName == 'computeroutput'
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for c in n.childNodes:
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if c.nodeType != c.TEXT_NODE and c.nodeName != 'computeroutput':
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return False
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if not is_inline(c):
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return False
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return True
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|
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def doc_wrap(text, prefix='', width=70, func=False, indent=None):
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"""Wraps text to `width`.
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First line is prefixed with `prefix`, subsequent lines are aligned.
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If `func` is True, only wrap at commas.
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"""
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if not width:
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# return prefix + text
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return text
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# Whitespace used to indent all lines except the first line.
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indent = ' ' * len(prefix) if indent is None else indent
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indent_only = (prefix == '' and indent is not None)
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if func:
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lines = [prefix]
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for part in text.split(', '):
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if part[-1] not in ');':
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part += ', '
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if len(lines[-1]) + len(part) > width:
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lines.append(indent)
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lines[-1] += part
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return '\n'.join(x.rstrip() for x in lines).rstrip()
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# XXX: Dummy prefix to force TextWrapper() to wrap the first line.
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if indent_only:
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prefix = indent
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tw = textwrap.TextWrapper(break_long_words=False,
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break_on_hyphens=False,
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width=width,
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initial_indent=prefix,
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subsequent_indent=indent)
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result = '\n'.join(tw.wrap(text.strip()))
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# XXX: Remove the dummy prefix.
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if indent_only:
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result = result[len(indent):]
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return result
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|
|
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def max_name(names):
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if len(names) == 0:
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return 0
|
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return max(len(name) for name in names)
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|
|
|
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def update_params_map(parent, ret_map, width=text_width - indentation):
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"""Updates `ret_map` with name:desc key-value pairs extracted
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from Doxygen XML node `parent`.
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"""
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params = collections.OrderedDict()
|
|
for node in parent.childNodes:
|
|
if node.nodeType == node.TEXT_NODE:
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continue
|
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name_node = find_first(node, 'parametername')
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|
if name_node.getAttribute('direction') == 'out':
|
|
continue
|
|
name = get_text(name_node)
|
|
if name in param_exclude:
|
|
continue
|
|
params[name.strip()] = node
|
|
max_name_len = max_name(params.keys()) + 8
|
|
# `ret_map` is a name:desc map.
|
|
for name, node in params.items():
|
|
desc = ''
|
|
desc_node = get_child(node, 'parameterdescription')
|
|
if desc_node:
|
|
desc = fmt_node_as_vimhelp(
|
|
desc_node, width=width, indent=(' ' * max_name_len))
|
|
ret_map[name] = desc
|
|
return ret_map
|
|
|
|
|
|
def render_node(n, text, prefix='', indent='', width=text_width - indentation,
|
|
fmt_vimhelp=False):
|
|
"""Renders a node as Vim help text, recursively traversing all descendants."""
|
|
|
|
def ind(s):
|
|
return s if fmt_vimhelp else ''
|
|
|
|
text = ''
|
|
# space_preceding = (len(text) > 0 and ' ' == text[-1][-1])
|
|
# text += (int(not space_preceding) * ' ')
|
|
|
|
if n.nodeName == 'preformatted':
|
|
o = get_text(n, preformatted=True)
|
|
ensure_nl = '' if o[-1] == '\n' else '\n'
|
|
if o[0:4] == 'lua\n':
|
|
text += '>lua{}{}\n<'.format(ensure_nl, o[3:-1])
|
|
elif o[0:4] == 'vim\n':
|
|
text += '>vim{}{}\n<'.format(ensure_nl, o[3:-1])
|
|
else:
|
|
text += '>{}{}\n<'.format(ensure_nl, o)
|
|
|
|
elif is_inline(n):
|
|
text = doc_wrap(get_text(n), prefix=prefix, indent=indent, width=width)
|
|
elif n.nodeName == 'verbatim':
|
|
# TODO: currently we don't use this. The "[verbatim]" hint is there as
|
|
# a reminder that we must decide how to format this if we do use it.
|
|
text += ' [verbatim] {}'.format(get_text(n))
|
|
elif n.nodeName == 'listitem':
|
|
for c in n.childNodes:
|
|
result = render_node(
|
|
c,
|
|
text,
|
|
indent=indent + (' ' * len(prefix)),
|
|
width=width
|
|
)
|
|
if is_blank(result):
|
|
continue
|
|
text += indent + prefix + result
|
|
elif n.nodeName in ('para', 'heading'):
|
|
did_prefix = False
|
|
for c in n.childNodes:
|
|
if (is_inline(c)
|
|
and '' != get_text(c).strip()
|
|
and text
|
|
and ' ' != text[-1]):
|
|
text += ' '
|
|
text += render_node(c, text, prefix=(prefix if not did_prefix else ''), indent=indent, width=width)
|
|
did_prefix = True
|
|
elif n.nodeName == 'itemizedlist':
|
|
for c in n.childNodes:
|
|
text += '{}\n'.format(render_node(c, text, prefix='• ',
|
|
indent=indent, width=width))
|
|
elif n.nodeName == 'orderedlist':
|
|
i = 1
|
|
for c in n.childNodes:
|
|
if is_blank(get_text(c)):
|
|
text += '\n'
|
|
continue
|
|
text += '{}\n'.format(render_node(c, text, prefix='{}. '.format(i),
|
|
indent=indent, width=width))
|
|
i = i + 1
|
|
elif n.nodeName == 'simplesect' and 'note' == n.getAttribute('kind'):
|
|
text += '\nNote:\n '
|
|
for c in n.childNodes:
|
|
text += render_node(c, text, indent=' ', width=width)
|
|
text += '\n'
|
|
elif n.nodeName == 'simplesect' and 'warning' == n.getAttribute('kind'):
|
|
text += 'Warning:\n '
|
|
for c in n.childNodes:
|
|
text += render_node(c, text, indent=' ', width=width)
|
|
text += '\n'
|
|
elif n.nodeName == 'simplesect' and 'see' == n.getAttribute('kind'):
|
|
text += ind(' ')
|
|
# Example:
|
|
# <simplesect kind="see">
|
|
# <para>|autocommand|</para>
|
|
# </simplesect>
|
|
for c in n.childNodes:
|
|
text += render_node(c, text, prefix='• ', indent=' ', width=width)
|
|
elif n.nodeName == 'simplesect' and 'return' == n.getAttribute('kind'):
|
|
text += ind(' ')
|
|
for c in n.childNodes:
|
|
text += render_node(c, text, indent=' ', width=width)
|
|
elif n.nodeName == 'computeroutput':
|
|
return get_text(n)
|
|
else:
|
|
raise RuntimeError('unhandled node type: {}\n{}'.format(
|
|
n.nodeName, n.toprettyxml(indent=' ', newl='\n')))
|
|
|
|
return text
|
|
|
|
|
|
def para_as_map(parent, indent='', width=text_width - indentation, fmt_vimhelp=False):
|
|
"""Extracts a Doxygen XML <para> node to a map.
|
|
|
|
Keys:
|
|
'text': Text from this <para> element
|
|
'params': <parameterlist> map
|
|
'return': List of @return strings
|
|
'seealso': List of @see strings
|
|
'xrefs': ?
|
|
"""
|
|
chunks = {
|
|
'text': '',
|
|
'params': collections.OrderedDict(),
|
|
'return': [],
|
|
'seealso': [],
|
|
'xrefs': []
|
|
}
|
|
|
|
# Ordered dict of ordered lists.
|
|
groups = collections.OrderedDict([
|
|
('params', []),
|
|
('return', []),
|
|
('seealso', []),
|
|
('xrefs', []),
|
|
])
|
|
|
|
# Gather nodes into groups. Mostly this is because we want "parameterlist"
|
|
# nodes to appear together.
|
|
text = ''
|
|
kind = ''
|
|
last = ''
|
|
if is_inline(parent):
|
|
# Flatten inline text from a tree of non-block nodes.
|
|
text = doc_wrap(render_node(parent, "", fmt_vimhelp=fmt_vimhelp),
|
|
indent=indent, width=width)
|
|
else:
|
|
prev = None # Previous node
|
|
for child in parent.childNodes:
|
|
if child.nodeName == 'parameterlist':
|
|
groups['params'].append(child)
|
|
elif child.nodeName == 'xrefsect':
|
|
groups['xrefs'].append(child)
|
|
elif child.nodeName == 'simplesect':
|
|
last = kind
|
|
kind = child.getAttribute('kind')
|
|
if kind == 'return' or (kind == 'note' and last == 'return'):
|
|
groups['return'].append(child)
|
|
elif kind == 'see':
|
|
groups['seealso'].append(child)
|
|
elif kind in ('note', 'warning'):
|
|
text += render_node(child, text, indent=indent,
|
|
width=width, fmt_vimhelp=fmt_vimhelp)
|
|
else:
|
|
raise RuntimeError('unhandled simplesect: {}\n{}'.format(
|
|
child.nodeName, child.toprettyxml(indent=' ', newl='\n')))
|
|
else:
|
|
if (prev is not None
|
|
and is_inline(self_or_child(prev))
|
|
and is_inline(self_or_child(child))
|
|
and '' != get_text(self_or_child(child)).strip()
|
|
and text
|
|
and ' ' != text[-1]):
|
|
text += ' '
|
|
|
|
text += render_node(child, text, indent=indent, width=width,
|
|
fmt_vimhelp=fmt_vimhelp)
|
|
prev = child
|
|
|
|
chunks['text'] += text
|
|
|
|
# Generate map from the gathered items.
|
|
if len(groups['params']) > 0:
|
|
for child in groups['params']:
|
|
update_params_map(child, ret_map=chunks['params'], width=width)
|
|
for child in groups['return']:
|
|
chunks['return'].append(render_node(
|
|
child, '', indent=indent, width=width, fmt_vimhelp=fmt_vimhelp))
|
|
for child in groups['seealso']:
|
|
# Example:
|
|
# <simplesect kind="see">
|
|
# <para>|autocommand|</para>
|
|
# </simplesect>
|
|
chunks['seealso'].append(render_node(
|
|
child, '', indent=indent, width=width, fmt_vimhelp=fmt_vimhelp))
|
|
|
|
xrefs = set()
|
|
for child in groups['xrefs']:
|
|
# XXX: Add a space (or any char) to `title` here, otherwise xrefs
|
|
# ("Deprecated" section) acts very weird...
|
|
title = get_text(get_child(child, 'xreftitle')) + ' '
|
|
xrefs.add(title)
|
|
xrefdesc = get_text(get_child(child, 'xrefdescription'))
|
|
chunks['xrefs'].append(doc_wrap(xrefdesc, prefix='{}: '.format(title),
|
|
width=width) + '\n')
|
|
|
|
return chunks, xrefs
|
|
|
|
|
|
def fmt_node_as_vimhelp(parent, width=text_width - indentation, indent='',
|
|
fmt_vimhelp=False):
|
|
"""Renders (nested) Doxygen <para> nodes as Vim :help text.
|
|
|
|
NB: Blank lines in a docstring manifest as <para> tags.
|
|
"""
|
|
rendered_blocks = []
|
|
|
|
def fmt_param_doc(m):
|
|
"""Renders a params map as Vim :help text."""
|
|
max_name_len = max_name(m.keys()) + 4
|
|
out = ''
|
|
for name, desc in m.items():
|
|
name = ' • {}'.format('{{{}}}'.format(name).ljust(max_name_len))
|
|
out += '{}{}\n'.format(name, desc)
|
|
return out.rstrip()
|
|
|
|
def has_nonexcluded_params(m):
|
|
"""Returns true if any of the given params has at least
|
|
one non-excluded item."""
|
|
if fmt_param_doc(m) != '':
|
|
return True
|
|
|
|
for child in parent.childNodes:
|
|
para, _ = para_as_map(child, indent, width, fmt_vimhelp)
|
|
|
|
# Generate text from the gathered items.
|
|
chunks = [para['text']]
|
|
if len(para['params']) > 0 and has_nonexcluded_params(para['params']):
|
|
chunks.append('\nParameters: ~')
|
|
chunks.append(fmt_param_doc(para['params']))
|
|
if len(para['return']) > 0:
|
|
chunks.append('\nReturn: ~')
|
|
for s in para['return']:
|
|
chunks.append(s)
|
|
if len(para['seealso']) > 0:
|
|
chunks.append('\nSee also: ~')
|
|
for s in para['seealso']:
|
|
chunks.append(s)
|
|
for s in para['xrefs']:
|
|
chunks.append(s)
|
|
|
|
rendered_blocks.append(clean_lines('\n'.join(chunks).strip()))
|
|
rendered_blocks.append('')
|
|
|
|
return clean_lines('\n'.join(rendered_blocks).strip())
|
|
|
|
|
|
def extract_from_xml(filename, target, width, fmt_vimhelp):
|
|
"""Extracts Doxygen info as maps without formatting the text.
|
|
|
|
Returns two maps:
|
|
1. Functions
|
|
2. Deprecated functions
|
|
|
|
The `fmt_vimhelp` variable controls some special cases for use by
|
|
fmt_doxygen_xml_as_vimhelp(). (TODO: ugly :)
|
|
"""
|
|
fns = {} # Map of func_name:docstring.
|
|
deprecated_fns = {} # Map of func_name:docstring.
|
|
|
|
dom = minidom.parse(filename)
|
|
compoundname = get_text(dom.getElementsByTagName('compoundname')[0])
|
|
for member in dom.getElementsByTagName('memberdef'):
|
|
if member.getAttribute('static') == 'yes' or \
|
|
member.getAttribute('kind') != 'function' or \
|
|
member.getAttribute('prot') == 'private' or \
|
|
get_text(get_child(member, 'name')).startswith('_'):
|
|
continue
|
|
|
|
loc = find_first(member, 'location')
|
|
if 'private' in loc.getAttribute('file'):
|
|
continue
|
|
|
|
return_type = get_text(get_child(member, 'type'))
|
|
if return_type == '':
|
|
continue
|
|
|
|
if return_type.startswith(('ArrayOf', 'DictionaryOf')):
|
|
parts = return_type.strip('_').split('_')
|
|
return_type = '{}({})'.format(parts[0], ', '.join(parts[1:]))
|
|
|
|
name = get_text(get_child(member, 'name'))
|
|
|
|
annotations = get_text(get_child(member, 'argsstring'))
|
|
if annotations and ')' in annotations:
|
|
annotations = annotations.rsplit(')', 1)[-1].strip()
|
|
# XXX: (doxygen 1.8.11) 'argsstring' only includes attributes of
|
|
# non-void functions. Special-case void functions here.
|
|
if name == 'nvim_get_mode' and len(annotations) == 0:
|
|
annotations += 'FUNC_API_FAST'
|
|
annotations = filter(None, map(lambda x: annotation_map.get(x),
|
|
annotations.split()))
|
|
|
|
params = []
|
|
type_length = 0
|
|
|
|
for param in iter_children(member, 'param'):
|
|
param_type = get_text(get_child(param, 'type')).strip()
|
|
param_name = ''
|
|
declname = get_child(param, 'declname')
|
|
if declname:
|
|
param_name = get_text(declname).strip()
|
|
elif CONFIG[target]['mode'] == 'lua':
|
|
# XXX: this is what lua2dox gives us...
|
|
param_name = param_type
|
|
param_type = ''
|
|
|
|
if param_name in param_exclude:
|
|
continue
|
|
|
|
if fmt_vimhelp and param_type.endswith('*'):
|
|
param_type = param_type.strip('* ')
|
|
param_name = '*' + param_name
|
|
|
|
type_length = max(type_length, len(param_type))
|
|
params.append((param_type, param_name))
|
|
|
|
# Handle Object Oriented style functions here.
|
|
# We make sure they have "self" in the parameters,
|
|
# and a parent function
|
|
if return_type.startswith('function') \
|
|
and len(return_type.split(' ')) >= 2 \
|
|
and any(x[1] == 'self' for x in params):
|
|
split_return = return_type.split(' ')
|
|
name = f'{split_return[1]}:{name}'
|
|
|
|
c_args = []
|
|
for param_type, param_name in params:
|
|
c_args.append((' ' if fmt_vimhelp else '') + (
|
|
'%s %s' % (param_type.ljust(type_length), param_name)).strip())
|
|
|
|
if not fmt_vimhelp:
|
|
pass
|
|
else:
|
|
fstem = '?'
|
|
if '.' in compoundname:
|
|
fstem = compoundname.split('.')[0]
|
|
fstem = CONFIG[target]['module_override'].get(fstem, fstem)
|
|
vimtag = CONFIG[target]['fn_helptag_fmt'](fstem, name)
|
|
|
|
prefix = '%s(' % name
|
|
suffix = '%s)' % ', '.join('{%s}' % a[1] for a in params
|
|
if a[0] not in ('void', 'Error', 'Arena',
|
|
'lua_State'))
|
|
|
|
if not fmt_vimhelp:
|
|
c_decl = '%s %s(%s);' % (return_type, name, ', '.join(c_args))
|
|
signature = prefix + suffix
|
|
else:
|
|
c_decl = textwrap.indent('%s %s(\n%s\n);' % (return_type, name,
|
|
',\n'.join(c_args)),
|
|
' ')
|
|
|
|
# Minimum 8 chars between signature and vimtag
|
|
lhs = (width - 8) - len(vimtag)
|
|
|
|
if len(prefix) + len(suffix) > lhs:
|
|
signature = vimtag.rjust(width) + '\n'
|
|
signature += doc_wrap(suffix, width=width, prefix=prefix,
|
|
func=True)
|
|
else:
|
|
signature = prefix + suffix
|
|
signature += vimtag.rjust(width - len(signature))
|
|
|
|
# Tracks `xrefsect` titles. As of this writing, used only for separating
|
|
# deprecated functions.
|
|
xrefs_all = set()
|
|
paras = []
|
|
brief_desc = find_first(member, 'briefdescription')
|
|
if brief_desc:
|
|
for child in brief_desc.childNodes:
|
|
para, xrefs = para_as_map(child)
|
|
xrefs_all.update(xrefs)
|
|
|
|
desc = find_first(member, 'detaileddescription')
|
|
if desc:
|
|
for child in desc.childNodes:
|
|
para, xrefs = para_as_map(child)
|
|
paras.append(para)
|
|
xrefs_all.update(xrefs)
|
|
log.debug(
|
|
textwrap.indent(
|
|
re.sub(r'\n\s*\n+', '\n',
|
|
desc.toprettyxml(indent=' ', newl='\n')),
|
|
' ' * indentation))
|
|
|
|
fn = {
|
|
'annotations': list(annotations),
|
|
'signature': signature,
|
|
'parameters': params,
|
|
'parameters_doc': collections.OrderedDict(),
|
|
'doc': [],
|
|
'return': [],
|
|
'seealso': [],
|
|
}
|
|
if fmt_vimhelp:
|
|
fn['desc_node'] = desc
|
|
fn['brief_desc_node'] = brief_desc
|
|
|
|
for m in paras:
|
|
if 'text' in m:
|
|
if not m['text'] == '':
|
|
fn['doc'].append(m['text'])
|
|
if 'params' in m:
|
|
# Merge OrderedDicts.
|
|
fn['parameters_doc'].update(m['params'])
|
|
if 'return' in m and len(m['return']) > 0:
|
|
fn['return'] += m['return']
|
|
if 'seealso' in m and len(m['seealso']) > 0:
|
|
fn['seealso'] += m['seealso']
|
|
|
|
if INCLUDE_C_DECL:
|
|
fn['c_decl'] = c_decl
|
|
|
|
if 'Deprecated' in str(xrefs_all):
|
|
deprecated_fns[name] = fn
|
|
elif name.startswith(CONFIG[target]['fn_name_prefix']):
|
|
fns[name] = fn
|
|
|
|
fns = collections.OrderedDict(sorted(
|
|
fns.items(),
|
|
key=lambda key_item_tuple: key_item_tuple[0].lower()))
|
|
deprecated_fns = collections.OrderedDict(sorted(deprecated_fns.items()))
|
|
return fns, deprecated_fns
|
|
|
|
|
|
def fmt_doxygen_xml_as_vimhelp(filename, target):
|
|
"""Entrypoint for generating Vim :help from from Doxygen XML.
|
|
|
|
Returns 2 items:
|
|
1. Vim help text for functions found in `filename`.
|
|
2. Vim help text for deprecated functions.
|
|
"""
|
|
fns_txt = {} # Map of func_name:vim-help-text.
|
|
deprecated_fns_txt = {} # Map of func_name:vim-help-text.
|
|
fns, _ = extract_from_xml(filename, target, text_width, True)
|
|
|
|
for name, fn in fns.items():
|
|
# Generate Vim :help for parameters.
|
|
if fn['desc_node']:
|
|
doc = fmt_node_as_vimhelp(fn['desc_node'], fmt_vimhelp=True)
|
|
if not doc and fn['brief_desc_node']:
|
|
doc = fmt_node_as_vimhelp(fn['brief_desc_node'])
|
|
if not doc and name.startswith("nvim__"):
|
|
continue
|
|
if not doc:
|
|
doc = 'TODO: Documentation'
|
|
|
|
annotations = '\n'.join(fn['annotations'])
|
|
if annotations:
|
|
annotations = ('\n\nAttributes: ~\n' +
|
|
textwrap.indent(annotations, ' '))
|
|
i = doc.rfind('Parameters: ~')
|
|
if i == -1:
|
|
doc += annotations
|
|
else:
|
|
doc = doc[:i] + annotations + '\n\n' + doc[i:]
|
|
|
|
if INCLUDE_C_DECL:
|
|
doc += '\n\nC Declaration: ~\n>\n'
|
|
doc += fn['c_decl']
|
|
doc += '\n<'
|
|
|
|
func_doc = fn['signature'] + '\n'
|
|
func_doc += textwrap.indent(clean_lines(doc), ' ' * indentation)
|
|
|
|
# Verbatim handling.
|
|
func_doc = re.sub(r'^\s+([<>])$', r'\1', func_doc, flags=re.M)
|
|
|
|
split_lines = func_doc.split('\n')
|
|
start = 0
|
|
while True:
|
|
try:
|
|
start = split_lines.index('>', start)
|
|
except ValueError:
|
|
break
|
|
|
|
try:
|
|
end = split_lines.index('<', start)
|
|
except ValueError:
|
|
break
|
|
|
|
split_lines[start + 1:end] = [
|
|
(' ' + x).rstrip()
|
|
for x in textwrap.dedent(
|
|
"\n".join(
|
|
split_lines[start+1:end]
|
|
)
|
|
).split("\n")
|
|
]
|
|
|
|
start = end
|
|
|
|
func_doc = "\n".join(map(align_tags, split_lines))
|
|
|
|
if (name.startswith(CONFIG[target]['fn_name_prefix'])
|
|
and name != "nvim_error_event"):
|
|
fns_txt[name] = func_doc
|
|
|
|
return ('\n\n'.join(list(fns_txt.values())),
|
|
'\n\n'.join(list(deprecated_fns_txt.values())))
|
|
|
|
|
|
def delete_lines_below(filename, tokenstr):
|
|
"""Deletes all lines below the line containing `tokenstr`, the line itself,
|
|
and one line above it.
|
|
"""
|
|
lines = open(filename).readlines()
|
|
i = 0
|
|
found = False
|
|
for i, line in enumerate(lines, 1):
|
|
if tokenstr in line:
|
|
found = True
|
|
break
|
|
if not found:
|
|
raise RuntimeError(f'not found: "{tokenstr}"')
|
|
i = max(0, i - 2)
|
|
with open(filename, 'wt') as fp:
|
|
fp.writelines(lines[0:i])
|
|
|
|
|
|
def main(doxygen_config, args):
|
|
"""Generates:
|
|
|
|
1. Vim :help docs
|
|
2. *.mpack files for use by API clients
|
|
|
|
Doxygen is called and configured through stdin.
|
|
"""
|
|
for target in CONFIG:
|
|
if args.target is not None and target != args.target:
|
|
continue
|
|
mpack_file = os.path.join(
|
|
base_dir, 'runtime', 'doc',
|
|
CONFIG[target]['filename'].replace('.txt', '.mpack'))
|
|
if os.path.exists(mpack_file):
|
|
os.remove(mpack_file)
|
|
|
|
output_dir = out_dir.format(target=target)
|
|
log.info("Generating documentation for %s in folder %s",
|
|
target, output_dir)
|
|
debug = args.log_level >= logging.DEBUG
|
|
p = subprocess.Popen(
|
|
['doxygen', '-'],
|
|
stdin=subprocess.PIPE,
|
|
# silence warnings
|
|
# runtime/lua/vim/lsp.lua:209: warning: argument 'foo' not found
|
|
stderr=(subprocess.STDOUT if debug else subprocess.DEVNULL))
|
|
p.communicate(
|
|
doxygen_config.format(
|
|
input=' '.join(
|
|
[f'"{file}"' for file in CONFIG[target]['files']]),
|
|
output=output_dir,
|
|
filter=filter_cmd,
|
|
file_patterns=CONFIG[target]['file_patterns'])
|
|
.encode('utf8')
|
|
)
|
|
if p.returncode:
|
|
sys.exit(p.returncode)
|
|
|
|
fn_map_full = {} # Collects all functions as each module is processed.
|
|
sections = {}
|
|
section_docs = {}
|
|
sep = '=' * text_width
|
|
|
|
base = os.path.join(output_dir, 'xml')
|
|
dom = minidom.parse(os.path.join(base, 'index.xml'))
|
|
|
|
# Generate module-level (section) docs (@defgroup).
|
|
for compound in dom.getElementsByTagName('compound'):
|
|
if compound.getAttribute('kind') != 'group':
|
|
continue
|
|
|
|
# Doxygen "@defgroup" directive.
|
|
groupname = get_text(find_first(compound, 'name'))
|
|
groupxml = os.path.join(base, '%s.xml' %
|
|
compound.getAttribute('refid'))
|
|
|
|
group_parsed = minidom.parse(groupxml)
|
|
doc_list = []
|
|
brief_desc = find_first(group_parsed, 'briefdescription')
|
|
if brief_desc:
|
|
for child in brief_desc.childNodes:
|
|
doc_list.append(fmt_node_as_vimhelp(child))
|
|
|
|
desc = find_first(group_parsed, 'detaileddescription')
|
|
if desc:
|
|
doc = fmt_node_as_vimhelp(desc)
|
|
|
|
if doc:
|
|
doc_list.append(doc)
|
|
|
|
section_docs[groupname] = "\n".join(doc_list)
|
|
|
|
# Generate docs for all functions in the current module.
|
|
for compound in dom.getElementsByTagName('compound'):
|
|
if compound.getAttribute('kind') != 'file':
|
|
continue
|
|
|
|
filename = get_text(find_first(compound, 'name'))
|
|
if filename.endswith('.c') or filename.endswith('.lua'):
|
|
xmlfile = os.path.join(base, '{}.xml'.format(compound.getAttribute('refid')))
|
|
# Extract unformatted (*.mpack).
|
|
fn_map, _ = extract_from_xml(xmlfile, target, 9999, False)
|
|
# Extract formatted (:help).
|
|
functions_text, deprecated_text = fmt_doxygen_xml_as_vimhelp(
|
|
os.path.join(base, '{}.xml'.format(compound.getAttribute('refid'))), target)
|
|
|
|
if not functions_text and not deprecated_text:
|
|
continue
|
|
else:
|
|
filename = os.path.basename(filename)
|
|
name = os.path.splitext(filename)[0].lower()
|
|
sectname = name.upper() if name == 'ui' else name.title()
|
|
sectname = CONFIG[target]['section_name'].get(filename, sectname)
|
|
title = CONFIG[target]['section_fmt'](sectname)
|
|
section_tag = CONFIG[target]['helptag_fmt'](sectname)
|
|
# Module/Section id matched against @defgroup.
|
|
# "*api-buffer*" => "api-buffer"
|
|
section_id = section_tag.strip('*')
|
|
|
|
doc = ''
|
|
section_doc = section_docs.get(section_id)
|
|
if section_doc:
|
|
doc += '\n\n' + section_doc
|
|
|
|
if functions_text:
|
|
doc += '\n\n' + functions_text
|
|
|
|
if INCLUDE_DEPRECATED and deprecated_text:
|
|
doc += f'\n\n\nDeprecated {sectname} Functions: ~\n\n'
|
|
doc += deprecated_text
|
|
|
|
if doc:
|
|
sections[filename] = (title, section_tag, doc)
|
|
fn_map_full.update(fn_map)
|
|
|
|
if len(sections) == 0:
|
|
fail(f'no sections for target: {target} (look for errors near "Preprocessing" log lines above)')
|
|
if len(sections) > len(CONFIG[target]['section_order']):
|
|
raise RuntimeError(
|
|
'found new modules "{}"; update the "section_order" map'.format(
|
|
set(sections).difference(CONFIG[target]['section_order'])))
|
|
first_section_tag = sections[CONFIG[target]['section_order'][0]][1]
|
|
|
|
docs = ''
|
|
|
|
for filename in CONFIG[target]['section_order']:
|
|
try:
|
|
title, section_tag, section_doc = sections.pop(filename)
|
|
except KeyError:
|
|
msg(f'warning: empty docs, skipping (target={target}): {filename}')
|
|
msg(f' existing docs: {sections.keys()}')
|
|
continue
|
|
if filename not in CONFIG[target]['append_only']:
|
|
docs += sep
|
|
docs += '\n{}{}'.format(title, section_tag.rjust(text_width - len(title)))
|
|
docs += section_doc
|
|
docs += '\n\n\n'
|
|
|
|
docs = docs.rstrip() + '\n\n'
|
|
docs += f' vim:tw=78:ts=8:sw={indentation}:sts={indentation}:et:ft=help:norl:\n'
|
|
|
|
doc_file = os.path.join(base_dir, 'runtime', 'doc',
|
|
CONFIG[target]['filename'])
|
|
|
|
if os.path.exists(doc_file):
|
|
delete_lines_below(doc_file, first_section_tag)
|
|
with open(doc_file, 'ab') as fp:
|
|
fp.write(docs.encode('utf8'))
|
|
|
|
fn_map_full = collections.OrderedDict(sorted(fn_map_full.items()))
|
|
with open(mpack_file, 'wb') as fp:
|
|
fp.write(msgpack.packb(fn_map_full, use_bin_type=True))
|
|
|
|
if not args.keep_tmpfiles:
|
|
shutil.rmtree(output_dir)
|
|
|
|
msg_report()
|
|
|
|
|
|
def filter_source(filename, keep_tmpfiles):
|
|
output_dir = out_dir.format(target='lua2dox')
|
|
name, extension = os.path.splitext(filename)
|
|
if extension == '.lua':
|
|
args = [str(nvim), '-l', lua2dox, filename] + (['--outdir', output_dir] if keep_tmpfiles else [])
|
|
p = subprocess.run(args, stdout=subprocess.PIPE)
|
|
op = ('?' if 0 != p.returncode else p.stdout.decode('utf-8'))
|
|
print(op)
|
|
else:
|
|
"""Filters the source to fix macros that confuse Doxygen."""
|
|
with open(filename, 'rt') as fp:
|
|
print(re.sub(r'^(ArrayOf|DictionaryOf)(\(.*?\))',
|
|
lambda m: m.group(1)+'_'.join(
|
|
re.split(r'[^\w]+', m.group(2))),
|
|
fp.read(), flags=re.M))
|
|
|
|
|
|
def parse_args():
|
|
targets = ', '.join(CONFIG.keys())
|
|
ap = argparse.ArgumentParser(
|
|
description="Generate helpdoc from source code")
|
|
ap.add_argument(
|
|
"--log-level", "-l", choices=LOG_LEVELS.keys(),
|
|
default=logging.getLevelName(logging.ERROR), help="Set log verbosity"
|
|
)
|
|
ap.add_argument('source_filter', nargs='*',
|
|
help="Filter source file(s)")
|
|
ap.add_argument('-k', '--keep-tmpfiles', action='store_true',
|
|
help="Keep temporary files (tmp-xx-doc/ directories, including tmp-lua2dox-doc/ for lua2dox.lua quasi-C output)")
|
|
ap.add_argument('-t', '--target',
|
|
help=f'One of ({targets}), defaults to "all"')
|
|
return ap.parse_args()
|
|
|
|
|
|
Doxyfile = textwrap.dedent('''
|
|
OUTPUT_DIRECTORY = {output}
|
|
INPUT = {input}
|
|
INPUT_ENCODING = UTF-8
|
|
FILE_PATTERNS = {file_patterns}
|
|
RECURSIVE = YES
|
|
INPUT_FILTER = "{filter}"
|
|
EXCLUDE =
|
|
EXCLUDE_SYMLINKS = NO
|
|
EXCLUDE_PATTERNS = */private/* */health.lua */_*.lua
|
|
EXCLUDE_SYMBOLS =
|
|
EXTENSION_MAPPING = lua=C
|
|
EXTRACT_PRIVATE = NO
|
|
|
|
GENERATE_HTML = NO
|
|
GENERATE_DOCSET = NO
|
|
GENERATE_HTMLHELP = NO
|
|
GENERATE_QHP = NO
|
|
GENERATE_TREEVIEW = NO
|
|
GENERATE_LATEX = NO
|
|
GENERATE_RTF = NO
|
|
GENERATE_MAN = NO
|
|
GENERATE_DOCBOOK = NO
|
|
GENERATE_AUTOGEN_DEF = NO
|
|
|
|
GENERATE_XML = YES
|
|
XML_OUTPUT = xml
|
|
XML_PROGRAMLISTING = NO
|
|
|
|
ENABLE_PREPROCESSING = YES
|
|
MACRO_EXPANSION = YES
|
|
EXPAND_ONLY_PREDEF = NO
|
|
MARKDOWN_SUPPORT = YES
|
|
''')
|
|
|
|
if __name__ == "__main__":
|
|
args = parse_args()
|
|
print("Setting log level to %s" % args.log_level)
|
|
args.log_level = LOG_LEVELS[args.log_level]
|
|
log.setLevel(args.log_level)
|
|
log.addHandler(logging.StreamHandler())
|
|
|
|
# When invoked as a filter, args won't be passed, so use an env var.
|
|
if args.keep_tmpfiles:
|
|
os.environ['NVIM_KEEP_TMPFILES'] = '1'
|
|
keep_tmpfiles = ('NVIM_KEEP_TMPFILES' in os.environ)
|
|
|
|
if len(args.source_filter) > 0:
|
|
filter_source(args.source_filter[0], keep_tmpfiles)
|
|
else:
|
|
main(Doxyfile, args)
|
|
|
|
# vim: set ft=python ts=4 sw=4 tw=79 et :
|