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C++, properly look up names in all parent scopes.

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See sphinx-doc/sphinx#1746.
This commit is contained in:
Jakob Lykke Andersen 2015-03-07 20:19:23 +01:00
parent c6865fd3ae
commit 0dc265ff01
1 changed files with 23 additions and 14 deletions
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37
sphinx/domains/cpp.py
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@ -653,6 +653,7 @@ class ASTNestedNameElement(ASTBase):
class ASTNestedName(ASTBase):
def __init__(self, names):
assert len(names) > 0
self.names = names
@property
@ -2392,6 +2393,7 @@ class CPPObject(ObjectDescription):
]
def add_target_and_index(self, ast, sig, signode):
# general note: name must be lstrip(':')'ed, to remove "::"
try:
id_v1 = ast.get_id_v1()
except NoOldIdError:
@ -2403,7 +2405,7 @@ class CPPObject(ObjectDescription):
theid = ids[0]
ast.newestId = theid
assert theid # shouldn't be None
name = text_type(ast.prefixedName)
name = text_type(ast.prefixedName).lstrip(':')
if theid not in self.state.document.ids:
# if the name is not unique, the first one will win
objects = self.env.domaindata['cpp']['objects']
@ -2425,7 +2427,7 @@ class CPPObject(ObjectDescription):
# then add the name to the parent scope
assert len(ast.prefixedName.names) > 0
parentPrefixedAstName = ASTNestedName(ast.prefixedName.names[:-1])
parentPrefixedName = text_type(parentPrefixedAstName)
parentPrefixedName = text_type(parentPrefixedAstName).lstrip(':')
if parentPrefixedName in objects:
docname, parentAst = objects[parentPrefixedName]
if parentAst.objectType == 'enum' and not parentAst.scoped:
@ -2433,12 +2435,12 @@ class CPPObject(ObjectDescription):
assert len(parentAst.prefixedName.names) > 0
enumScope = ASTNestedName(parentAst.prefixedName.names[:-1])
unscopedName = enumeratorName.prefix_nested_name(enumScope)
txtUnscopedName = text_type(unscopedName)
txtUnscopedName = text_type(unscopedName).lstrip(':')
if not txtUnscopedName in objects:
objects.setdefault(txtUnscopedName,
(self.env.docname, ast))
# add the uninstantiated template if it doesn't exist
uninstantiated = ast.prefixedName.get_name_no_last_template()
uninstantiated = ast.prefixedName.get_name_no_last_template().lstrip(':')
if uninstantiated != name and uninstantiated not in objects:
signode['names'].append(uninstantiated)
objects.setdefault(uninstantiated, (self.env.docname, ast))
@ -2694,7 +2696,7 @@ class CPPDomain(Domain):
def _resolve_xref_inner(self, env, fromdocname, builder,
target, node, contnode, warn=True):
def _create_refnode(nameAst):
name = text_type(nameAst)
name = text_type(nameAst).lstrip(':')
if name not in self.data['objects']:
# try dropping the last template
name = nameAst.get_name_no_last_template()
@ -2714,18 +2716,25 @@ class CPPDomain(Domain):
if warn:
env.warn_node('unparseable C++ definition: %r' % target, node)
return None, None
# try as is the name is fully qualified
res = _create_refnode(nameAst)
if res[0]:
return res
# try qualifying it with the parent
# If a name starts with ::, then it is global scope, so if
# parent[0] = A::B
# parent[1] = ::C
# then we should look up in ::C, and in ::
# Therefore, use only the last name as the basis of lookup.
parent = node.get('cpp:parent', None)
if parent and len(parent) > 0:
return _create_refnode(nameAst.prefix_nested_name(parent[-1]))
parentScope = parent[-1].clone()
else:
return None, None
#env.warn_node("C++ xref has no 'parent' set: %s" % target, node)
parentScope = ASTNestedName([ASTNestedNameElementEmpty()])
while len(parentScope.names) > 0:
name = nameAst.prefix_nested_name(parentScope)
res = _create_refnode(name)
if res[0]:
return res
parentScope.names.pop()
# finally try in global scope (we might have done that already though)
return _create_refnode(nameAst)
def resolve_xref(self, env, fromdocname, builder,
typ, target, node, contnode):