mirror of
https://github.com/neovim/neovim.git
synced 2025-02-25 18:55:25 -06:00
refactor(gen_vimdoc): generate function doc from metadata, not from xml
Problem:
For function definitions to be included in the vimdoc (formatted) and
to be exported as mpack data (unformatted), we had two internal
representations of the same function/API metadata in duplicate;
one is FunctionDoc (which was previously a dict), and the other is
doxygen XML DOM from which vimdoc (functions sections) was generated.
Solution:
We should have a single path and unified data representation
(i.e. FunctionDoc) that contains all the metadata and information about
function APIs, from which both of mpack export and vimdoc are generated.
I.e., vimdocs are no longer generated directly from doxygen XML nodes,
but generated via:
(XML DOM Nodes) ------------> FunctionDoc ------> mpack (unformatted)
Recursive Internal |
Formatting Metadata +---> vimdoc (formatted)
This refactoring eliminates the hacky and ugly use of `fmt_vimhelp` in
`fmt_node_as_vimhelp()` and all other helper functions! This way,
`fmt_node_as_vimhelp()` can simplified as it no longer needs to handle
generating of function docs, which needs to be done only in the topmost
level of recursion.
This commit is contained in:
Jongwook Choi
parent
67f5332344
commit
4e9298ecdf
3
runtime/lua/vim/_meta/api.lua
generated
3
runtime/lua/vim/_meta/api.lua
generated
@ -73,6 +73,9 @@ function vim.api.nvim__id_dictionary(dct) end
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function vim.api.nvim__id_float(flt) end
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--- @private
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--- NB: if your UI doesn't use hlstate, this will not return hlstate first
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--- time.
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---
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--- @param grid integer
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--- @param row integer
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--- @param col integer
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@ -751,7 +751,10 @@ def render_node(n, text, prefix='', indent='', width=text_width - indentation,
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return text
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def para_as_map(parent, indent='', width=text_width - indentation, fmt_vimhelp=False):
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def para_as_map(parent: Element,
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indent: str = '',
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width: int = (text_width - indentation),
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):
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"""Extracts a Doxygen XML <para> node to a map.
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Keys:
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@ -787,7 +790,7 @@ def para_as_map(parent, indent='', width=text_width - indentation, fmt_vimhelp=F
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kind = ''
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if is_inline(parent):
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# Flatten inline text from a tree of non-block nodes.
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text = doc_wrap(render_node(parent, "", fmt_vimhelp=fmt_vimhelp),
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text = doc_wrap(render_node(parent, ""),
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indent=indent, width=width)
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else:
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prev = None # Previous node
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@ -805,8 +808,7 @@ def para_as_map(parent, indent='', width=text_width - indentation, fmt_vimhelp=F
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elif kind == 'see':
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groups['seealso'].append(child)
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elif kind == 'warning':
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text += render_node(child, text, indent=indent,
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width=width, fmt_vimhelp=fmt_vimhelp)
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text += render_node(child, text, indent=indent, width=width)
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elif kind == 'since':
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since_match = re.match(r'^(\d+)', get_text(child))
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since = int(since_match.group(1)) if since_match else 0
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@ -827,8 +829,7 @@ def para_as_map(parent, indent='', width=text_width - indentation, fmt_vimhelp=F
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and ' ' != text[-1]):
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text += ' '
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text += render_node(child, text, indent=indent, width=width,
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fmt_vimhelp=fmt_vimhelp)
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text += render_node(child, text, indent=indent, width=width)
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prev = child
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chunks['text'] += text
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@ -839,17 +840,17 @@ def para_as_map(parent, indent='', width=text_width - indentation, fmt_vimhelp=F
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update_params_map(child, ret_map=chunks['params'], width=width)
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for child in groups['note']:
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chunks['note'].append(render_node(
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child, '', indent=indent, width=width, fmt_vimhelp=fmt_vimhelp).rstrip())
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child, '', indent=indent, width=width).rstrip())
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for child in groups['return']:
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chunks['return'].append(render_node(
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child, '', indent=indent, width=width, fmt_vimhelp=fmt_vimhelp))
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child, '', indent=indent, width=width))
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for child in groups['seealso']:
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# Example:
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# <simplesect kind="see">
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# <para>|autocommand|</para>
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# </simplesect>
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chunks['seealso'].append(render_node(
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child, '', indent=indent, width=width, fmt_vimhelp=fmt_vimhelp))
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child, '', indent=indent, width=width))
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xrefs = set()
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for child in groups['xrefs']:
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@ -898,6 +899,9 @@ class FunctionDoc:
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annotations: List[str]
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"""Attributes, e.g., FUNC_API_REMOTE_ONLY. See annotation_map"""
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notes: List[Docstring]
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"""Notes: (@note strings)"""
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signature: str
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"""Function signature with *tags*."""
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@ -916,21 +920,60 @@ class FunctionDoc:
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seealso: List[Docstring]
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"""See also: (@see strings)"""
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# for fmt_node_as_vimhelp
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desc_node: Element | None = None
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brief_desc_node: Element | None = None
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xrefs: List[Docstring]
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"""XRefs. Currently only used to track Deprecated functions."""
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# for INCLUDE_C_DECL
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c_decl: str | None = None
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prerelease: bool = False
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def fmt_node_as_vimhelp(parent: Element, width=text_width - indentation, indent='',
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fmt_vimhelp=False):
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"""Renders (nested) Doxygen <para> nodes as Vim :help text.
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def export_mpack(self) -> Dict[str, Any]:
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"""Convert a dict to be exported as mpack data."""
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exported = self.__dict__.copy()
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del exported['notes']
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del exported['c_decl']
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del exported['prerelease']
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del exported['xrefs']
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exported['return'] = exported.pop('return_')
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return exported
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NB: Blank lines in a docstring manifest as <para> tags.
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def doc_concatenated(self) -> Docstring:
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"""Concatenate all the paragraphs in `doc` into a single string, but
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remove blank lines before 'programlisting' blocks. #25127
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BEFORE (without programlisting processing):
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```vimdoc
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Example:
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>vim
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:echo nvim_get_color_by_name("Pink")
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<
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```
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AFTER:
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```vimdoc
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Example: >vim
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:echo nvim_get_color_by_name("Pink")
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<
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```
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"""
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rendered_blocks = []
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def is_program_listing(paragraph: str) -> bool:
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lines = paragraph.strip().split('\n')
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return lines[0].startswith('>') and lines[-1] == '<'
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rendered = []
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for paragraph in self.doc:
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if is_program_listing(paragraph):
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rendered.append(' ') # Example: >vim
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elif rendered:
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rendered.append('\n\n')
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rendered.append(paragraph)
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return ''.join(rendered)
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def render(self) -> Docstring:
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"""Renders function documentation as Vim :help text."""
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rendered_blocks: List[Docstring] = []
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def fmt_param_doc(m):
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"""Renders a params map as Vim :help text."""
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@ -943,14 +986,56 @@ def fmt_node_as_vimhelp(parent: Element, width=text_width - indentation, indent=
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out += '{}{}\n'.format(name, desc)
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return out.rstrip()
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def has_nonexcluded_params(m):
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"""Returns true if any of the given params has at least
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one non-excluded item."""
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if fmt_param_doc(m) != '':
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return True
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# Generate text from the gathered items.
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chunks: List[Docstring] = [self.doc_concatenated()]
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notes = []
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if self.prerelease:
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notes = [" This API is pre-release (unstable)."]
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notes += self.notes
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if len(notes) > 0:
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chunks.append('\nNote: ~')
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for s in notes:
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chunks.append(' ' + s)
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if self.parameters_doc:
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chunks.append('\nParameters: ~')
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chunks.append(fmt_param_doc(self.parameters_doc))
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if self.return_:
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chunks.append('\nReturn (multiple): ~' if len(self.return_) > 1
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else '\nReturn: ~')
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for s in self.return_:
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chunks.append(' ' + s)
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if self.seealso:
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chunks.append('\nSee also: ~')
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for s in self.seealso:
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chunks.append(' ' + s)
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# Note: xrefs are currently only used to remark "Deprecated: "
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# for deprecated functions; visible when INCLUDE_DEPRECATED is set
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for s in self.xrefs:
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chunks.append('\n' + s)
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rendered_blocks.append(clean_lines('\n'.join(chunks).strip()))
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rendered_blocks.append('')
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return clean_lines('\n'.join(rendered_blocks).strip())
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def fmt_node_as_vimhelp(parent: Element, width=text_width - indentation, indent=''):
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"""Renders (nested) Doxygen <para> nodes as Vim :help text.
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Only handles "text" nodes. Used for individual elements (see render_node())
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and in extract_defgroups().
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NB: Blank lines in a docstring manifest as <para> tags.
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"""
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rendered_blocks = []
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for child in parent.childNodes:
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para, _ = para_as_map(child, indent, width, fmt_vimhelp)
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para, _ = para_as_map(child, indent, width)
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# 'programlisting' blocks are Markdown code blocks. Do not include
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# these as a separate paragraph, but append to the last non-empty line
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@ -963,25 +1048,6 @@ def fmt_node_as_vimhelp(parent: Element, width=text_width - indentation, indent=
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# Generate text from the gathered items.
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chunks = [para['text']]
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notes = [" This API is pre-release (unstable)."] if para['prerelease'] else []
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notes += para['note']
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if len(notes) > 0:
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chunks.append('\nNote: ~')
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for s in notes:
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chunks.append(s)
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if len(para['params']) > 0 and has_nonexcluded_params(para['params']):
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chunks.append('\nParameters: ~')
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chunks.append(fmt_param_doc(para['params']))
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if len(para['return']) > 0:
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chunks.append('\nReturn (multiple): ~' if len(para['return']) > 1 else '\nReturn: ~')
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for s in para['return']:
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chunks.append(s)
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if len(para['seealso']) > 0:
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chunks.append('\nSee also: ~')
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for s in para['seealso']:
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chunks.append(s)
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for s in para['xrefs']:
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chunks.append(s)
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rendered_blocks.append(clean_lines('\n'.join(chunks).strip()))
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rendered_blocks.append('')
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@ -989,7 +1055,8 @@ def fmt_node_as_vimhelp(parent: Element, width=text_width - indentation, indent=
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return clean_lines('\n'.join(rendered_blocks).strip())
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def extract_from_xml(filename, target, width, fmt_vimhelp) -> Tuple[
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def extract_from_xml(filename, target, *,
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width: int, fmt_vimhelp: bool) -> Tuple[
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Dict[FunctionName, FunctionDoc],
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Dict[FunctionName, FunctionDoc],
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]:
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@ -1130,18 +1197,20 @@ def extract_from_xml(filename, target, width, fmt_vimhelp) -> Tuple[
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# Tracks `xrefsect` titles. As of this writing, used only for separating
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# deprecated functions.
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xrefs_all = set()
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paras: List[Dict[str, Any]] = []
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paras: List[Dict[str, Any]] = [] # paras means paragraphs!
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brief_desc = find_first(member, 'briefdescription')
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if brief_desc:
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for child in brief_desc.childNodes:
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para, xrefs = para_as_map(child)
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paras.append(para)
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xrefs_all.update(xrefs)
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desc = find_first(member, 'detaileddescription')
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if desc:
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paras_detail = [] # override briefdescription
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for child in desc.childNodes:
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para, xrefs = para_as_map(child)
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paras.append(para)
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paras_detail.append(para)
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xrefs_all.update(xrefs)
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log.debug(
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textwrap.indent(
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@ -1149,18 +1218,25 @@ def extract_from_xml(filename, target, width, fmt_vimhelp) -> Tuple[
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desc.toprettyxml(indent=' ', newl='\n')),
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' ' * indentation))
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# override briefdescription, if detaileddescription is not empty
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# (note: briefdescription can contain some erroneous luadoc
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# comments from preceding comments, this is a bug of lua2dox)
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if any((para['text'] or para['note'] or para['params'] or
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para['return'] or para['seealso']
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) for para in paras_detail):
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paras = paras_detail
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fn = FunctionDoc(
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annotations=list(annotations),
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notes=[],
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signature=signature,
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parameters=params,
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parameters_doc=collections.OrderedDict(),
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doc=[],
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return_=[],
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seealso=[],
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xrefs=[],
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)
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if fmt_vimhelp:
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fn.desc_node = desc
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fn.brief_desc_node = brief_desc
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for m in paras:
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if m.get('text', ''):
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@ -1172,6 +1248,12 @@ def extract_from_xml(filename, target, width, fmt_vimhelp) -> Tuple[
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fn.return_ += m['return']
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if 'seealso' in m and len(m['seealso']) > 0:
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fn.seealso += m['seealso']
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if m.get('prerelease', False):
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fn.prerelease = True
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if 'note' in m:
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fn.notes += m['note']
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if 'xrefs' in m:
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fn.xrefs += m['xrefs']
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if INCLUDE_C_DECL:
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fn.c_decl = c_decl
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@ -1203,17 +1285,14 @@ def fmt_doxygen_xml_as_vimhelp(filename, target) -> Tuple[Docstring, Docstring]:
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deprecated_fns_txt = {} # Map of func_name:vim-help-text.
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fns: Dict[FunctionName, FunctionDoc]
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fns, _ = extract_from_xml(filename, target, text_width, True)
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fns, _ = extract_from_xml(filename, target,
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width=text_width, fmt_vimhelp=True)
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for fn_name, fn in fns.items():
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# Generate Vim :help for parameters.
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# Generate body.
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doc = ''
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if fn.desc_node:
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doc = fmt_node_as_vimhelp(fn.desc_node, fmt_vimhelp=True)
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if not doc and fn.brief_desc_node:
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doc = fmt_node_as_vimhelp(fn.brief_desc_node)
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# Generate body from FunctionDoc, not XML nodes
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doc = fn.render()
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if not doc and fn_name.startswith("nvim__"):
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continue
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if not doc:
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@ -1393,11 +1472,14 @@ def main(doxygen_config, args):
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filename = get_text(find_first(compound, 'name'))
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if filename.endswith('.c') or filename.endswith('.lua'):
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xmlfile = os.path.join(base, '{}.xml'.format(compound.getAttribute('refid')))
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# Extract unformatted (*.mpack).
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fn_map, _ = extract_from_xml(xmlfile, target, 9999, False)
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fn_map, _ = extract_from_xml(
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xmlfile, target, width=9999, fmt_vimhelp=False)
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# Extract formatted (:help).
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functions_text, deprecated_text = fmt_doxygen_xml_as_vimhelp(
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os.path.join(base, '{}.xml'.format(compound.getAttribute('refid'))), target)
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xmlfile, target)
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if not functions_text and not deprecated_text:
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continue
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@ -1461,11 +1543,11 @@ def main(doxygen_config, args):
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with open(doc_file, 'ab') as fp:
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fp.write(docs.encode('utf8'))
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fn_map_full = collections.OrderedDict(sorted(
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(name, fn_doc.__dict__) for (name, fn_doc) in fn_map_full.items()
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fn_map_full_exported = collections.OrderedDict(sorted(
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(name, fn_doc.export_mpack()) for (name, fn_doc) in fn_map_full.items()
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))
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with open(mpack_file, 'wb') as fp:
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fp.write(msgpack.packb(fn_map_full, use_bin_type=True)) # type: ignore
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fp.write(msgpack.packb(fn_map_full_exported, use_bin_type=True)) # type: ignore
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if not args.keep_tmpfiles:
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shutil.rmtree(output_dir)
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