mirror of https://github.com/YosysHQ/yosys.git
263 lines
9.1 KiB
Python
263 lines
9.1 KiB
Python
# based on https://github.com/ofosos/sphinxrecipes/blob/master/sphinxrecipes/sphinxrecipes.py
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from docutils.parsers.rst import directives
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from docutils.parsers.rst.states import Inliner
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from sphinx.application import Sphinx
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from sphinx.domains import Domain, Index
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from sphinx.domains.std import StandardDomain
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from sphinx.roles import XRefRole
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from sphinx.directives import ObjectDescription
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from sphinx.util.nodes import make_refnode
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from sphinx import addnodes
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class CommandNode(ObjectDescription):
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"""A custom node that describes a command."""
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name = 'cmd'
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required_arguments = 1
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option_spec = {
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'title': directives.unchanged_required,
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'tags': directives.unchanged
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}
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def handle_signature(self, sig, signode: addnodes.desc_signature):
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signode += addnodes.desc_addname(text="yosys> help ")
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signode += addnodes.desc_name(text=sig)
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return sig
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def add_target_and_index(self, name_cls, sig, signode):
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signode['ids'].append(type(self).name + '-' + sig)
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if 'noindex' not in self.options:
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name = "{}.{}.{}".format(self.name, type(self).__name__, sig)
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tagmap = self.env.domaindata[type(self).name]['obj2tag']
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tagmap[name] = list(self.options.get('tags', '').split(' '))
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title = self.options.get('title')
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titlemap = self.env.domaindata[type(self).name]['obj2title']
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titlemap[name] = title
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objs = self.env.domaindata[type(self).name]['objects']
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objs.append((name,
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sig,
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title,
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self.env.docname,
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type(self).name + '-' + sig,
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0))
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class CellNode(CommandNode):
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"""A custom node that describes an internal cell."""
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name = 'cell'
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class TagIndex(Index):
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"""A custom directive that creates a tag matrix."""
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name = 'tag'
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localname = 'Tag Index'
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shortname = 'Tag'
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def __init__(self, *args, **kwargs):
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super(TagIndex, self).__init__(*args, **kwargs)
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def generate(self, docnames=None):
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"""Return entries for the index given by *name*. If *docnames* is
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given, restrict to entries referring to these docnames.
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The return value is a tuple of ``(content, collapse)``, where
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* collapse* is a boolean that determines if sub-entries should
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start collapsed (for output formats that support collapsing
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sub-entries).
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*content* is a sequence of ``(letter, entries)`` tuples, where *letter*
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is the "heading" for the given *entries*, usually the starting letter.
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*entries* is a sequence of single entries, where a single entry is a
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sequence ``[name, subtype, docname, anchor, extra, qualifier, descr]``.
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The items in this sequence have the following meaning:
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- `name` -- the name of the index entry to be displayed
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- `subtype` -- sub-entry related type:
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0 -- normal entry
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1 -- entry with sub-entries
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2 -- sub-entry
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- `docname` -- docname where the entry is located
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- `anchor` -- anchor for the entry within `docname`
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- `extra` -- extra info for the entry
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- `qualifier` -- qualifier for the description
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- `descr` -- description for the entry
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Qualifier and description are not rendered e.g. in LaTeX output.
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"""
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content = {}
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objs = {name: (dispname, typ, docname, anchor)
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for name, dispname, typ, docname, anchor, prio
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in self.domain.get_objects()}
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tmap = {}
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tags = self.domain.data['obj2tag']
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for name, tags in tags.items():
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for tag in tags:
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tmap.setdefault(tag,[])
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tmap[tag].append(name)
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for tag in tmap.keys():
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lis = content.setdefault(tag, [])
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objlis = tmap[tag]
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for objname in objlis:
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dispname, typ, docname, anchor = objs[objname]
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lis.append((
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dispname, 0, docname,
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anchor,
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docname, '', typ
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))
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re = [(k, v) for k, v in sorted(content.items())]
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return (re, True)
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class CommandIndex(Index):
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name = 'cmd'
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localname = 'Command Reference'
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shortname = 'Command'
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def __init__(self, *args, **kwargs):
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super(CommandIndex, self).__init__(*args, **kwargs)
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def generate(self, docnames=None):
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"""Return entries for the index given by *name*. If *docnames* is
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given, restrict to entries referring to these docnames.
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The return value is a tuple of ``(content, collapse)``, where
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* collapse* is a boolean that determines if sub-entries should
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start collapsed (for output formats that support collapsing
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sub-entries).
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*content* is a sequence of ``(letter, entries)`` tuples, where *letter*
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is the "heading" for the given *entries*, usually the starting letter.
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*entries* is a sequence of single entries, where a single entry is a
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sequence ``[name, subtype, docname, anchor, extra, qualifier, descr]``.
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The items in this sequence have the following meaning:
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- `name` -- the name of the index entry to be displayed
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- `subtype` -- sub-entry related type:
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0 -- normal entry
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1 -- entry with sub-entries
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2 -- sub-entry
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- `docname` -- docname where the entry is located
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- `anchor` -- anchor for the entry within `docname`
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- `extra` -- extra info for the entry
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- `qualifier` -- qualifier for the description
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- `descr` -- description for the entry
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Qualifier and description are not rendered e.g. in LaTeX output.
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"""
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content = {}
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items = ((name, dispname, typ, docname, anchor)
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for name, dispname, typ, docname, anchor, prio
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in self.domain.get_objects())
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items = sorted(items, key=lambda item: item[0])
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for name, dispname, typ, docname, anchor in items:
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lis = content.setdefault(self.shortname, [])
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lis.append((
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dispname, 0, docname,
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anchor,
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'', '', typ
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))
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re = [(k, v) for k, v in sorted(content.items())]
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return (re, True)
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class CellIndex(CommandIndex):
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name = 'cell'
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localname = 'Internal cell reference'
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shortname = 'Internal cell'
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class CommandDomain(Domain):
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name = 'cmd'
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label = 'Yosys commands'
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roles = {
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'ref': XRefRole()
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}
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directives = {
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'def': CommandNode,
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}
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indices = {
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CommandIndex,
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TagIndex
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}
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initial_data = {
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'objects': [], # object list
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'obj2tag': {}, # name -> tags
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'obj2title': {}, # name -> title
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}
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def get_full_qualified_name(self, node):
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"""Return full qualified name for a given node"""
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return "{}.{}.{}".format(type(self).name,
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type(node).__name__,
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node.arguments[0])
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def get_objects(self):
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for obj in self.data['objects']:
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yield(obj)
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def resolve_xref(self, env, fromdocname, builder, typ,
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target, node, contnode):
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match = [(docname, anchor, name)
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for name, sig, typ, docname, anchor, prio
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in self.get_objects() if sig == target]
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if match:
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todocname = match[0][0]
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targ = match[0][1]
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qual_name = match[0][2]
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title = self.data['obj2title'].get(qual_name, targ)
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return make_refnode(builder,fromdocname,todocname,
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targ, contnode, title)
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else:
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print(f"Missing ref for {target} in {fromdocname} ")
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return None
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class CellDomain(CommandDomain):
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name = 'cell'
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label = 'Yosys internal cells'
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directives = {
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'def': CellNode,
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}
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indices = {
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CellIndex,
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TagIndex
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}
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def autoref(name, rawtext, text, lineno, inliner: Inliner,
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options=None, content=None):
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role = 'cell:ref' if text[0] == '$' else 'cmd:ref'
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return inliner.interpreted(rawtext, text, role, lineno)
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def setup(app: Sphinx):
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app.add_domain(CommandDomain)
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app.add_domain(CellDomain)
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StandardDomain.initial_data['labels']['commandindex'] =\
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('cmd-cmd', '', 'Command Reference')
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StandardDomain.initial_data['labels']['tagindex'] =\
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('cmd-tag', '', 'Tag Index')
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StandardDomain.initial_data['labels']['cellindex'] =\
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('cell-cell', '', 'Internal cell reference')
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StandardDomain.initial_data['labels']['tagindex'] =\
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('cell-tag', '', 'Tag Index')
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StandardDomain.initial_data['anonlabels']['commandindex'] =\
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('cmd-cmd', '')
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StandardDomain.initial_data['anonlabels']['tagindex'] =\
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('cmd-tag', '')
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StandardDomain.initial_data['anonlabels']['cellindex'] =\
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('cell-cell', '')
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StandardDomain.initial_data['anonlabels']['tagindex'] =\
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('cell-tag', '')
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app.add_role('autoref', autoref)
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return {'version': '0.2'}
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