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-rw-r--r--Cython/Compiler/UtilityCode.py36
1 files changed, 32 insertions, 4 deletions
diff --git a/Cython/Compiler/UtilityCode.py b/Cython/Compiler/UtilityCode.py
index 98e9ab5bf..e2df2586b 100644
--- a/Cython/Compiler/UtilityCode.py
+++ b/Cython/Compiler/UtilityCode.py
@@ -131,7 +131,7 @@ class CythonUtilityCode(Code.UtilityCodeBase):
p = []
for t in pipeline:
p.append(t)
- if isinstance(p, ParseTreeTransforms.AnalyseDeclarationsTransform):
+ if isinstance(t, ParseTreeTransforms.AnalyseDeclarationsTransform):
break
pipeline = p
@@ -173,8 +173,15 @@ class CythonUtilityCode(Code.UtilityCodeBase):
if self.context_types:
# inject types into module scope
def scope_transform(module_node):
+ dummy_entry = object()
for name, type in self.context_types.items():
+ # Restore the old type entry after declaring the type.
+ # We need to access types in the scope, but this shouldn't alter the entry
+ # that is visible from everywhere else
+ old_type_entry = getattr(type, "entry", dummy_entry)
entry = module_node.scope.declare_type(name, type, None, visibility='extern')
+ if old_type_entry is not dummy_entry:
+ type.entry = old_type_entry
entry.in_cinclude = True
return module_node
@@ -196,10 +203,10 @@ class CythonUtilityCode(Code.UtilityCodeBase):
Load a utility code as a string. Returns (proto, implementation)
"""
util = cls.load(util_code_name, from_file, **kwargs)
- return util.proto, util.impl # keep line numbers => no lstrip()
+ return util.proto, util.impl # keep line numbers => no lstrip()
def declare_in_scope(self, dest_scope, used=False, cython_scope=None,
- whitelist=None):
+ allowlist=None):
"""
Declare all entries from the utility code in dest_scope. Code will only
be included for used entries. If module_name is given, declare the
@@ -218,7 +225,7 @@ class CythonUtilityCode(Code.UtilityCodeBase):
entry.used = used
original_scope = tree.scope
- dest_scope.merge_in(original_scope, merge_unused=True, whitelist=whitelist)
+ dest_scope.merge_in(original_scope, merge_unused=True, allowlist=allowlist)
tree.scope = dest_scope
for dep in self.requires:
@@ -227,6 +234,27 @@ class CythonUtilityCode(Code.UtilityCodeBase):
return original_scope
+ @staticmethod
+ def filter_inherited_directives(current_directives):
+ """
+ Cython utility code should usually only pick up a few directives from the
+ environment (those that intentionally control its function) and ignore most
+ other compiler directives. This function provides a sensible default list
+ of directives to copy.
+ """
+ from .Options import _directive_defaults
+ utility_code_directives = dict(_directive_defaults)
+ inherited_directive_names = (
+ 'binding', 'always_allow_keywords', 'allow_none_for_extension_args',
+ 'auto_pickle', 'ccomplex',
+ 'c_string_type', 'c_string_encoding',
+ 'optimize.inline_defnode_calls', 'optimize.unpack_method_calls',
+ 'optimize.unpack_method_calls_in_pyinit', 'optimize.use_switch')
+ for name in inherited_directive_names:
+ if name in current_directives:
+ utility_code_directives[name] = current_directives[name]
+ return utility_code_directives
+
def declare_declarations_in_scope(declaration_string, env, private_type=True,
*args, **kwargs):