mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 08:59:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 11

gh-104799: Default missing lists in AST to the empty list (#104834)

Browse source 
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
This commit is contained in:
Jelle Zijlstra 2023-06-01 18:39:39 -07:00 • committed by GitHub
parent 37498fc950
commit 77d2579586
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 400 additions and 239 deletions
Download patch file Download diff file Expand all files Collapse all files

49
Parser/asdl_c.py
View file

@ -632,29 +632,38 @@ class Obj2ModVisitor(PickleVisitor):
self.emit(line % field.name, depth)
self.emit("return 1;", depth+1)
self.emit("}", depth)
if not field.opt:
if field.seq:
self.emit("if (tmp == NULL) {", depth)
message = "required field \\\"%s\\\" missing from %s" % (field.name, name)
format = "PyErr_SetString(PyExc_TypeError, \"%s\");"
self.emit(format % message, depth+1, reflow=False)
self.emit("return 1;", depth+1)
self.emit("tmp = PyList_New(0);", depth+1)
self.emit("if (tmp == NULL) {", depth+1)
self.emit("return 1;", depth+2)
self.emit("}", depth+1)
self.emit("}", depth)
self.emit("{", depth)
else:
self.emit("if (tmp == NULL || tmp == Py_None) {", depth)
self.emit("Py_CLEAR(tmp);", depth+1)
if self.isNumeric(field):
if field.name in self.attribute_special_defaults:
self.emit(
"%s = %s;" % (field.name, self.attribute_special_defaults[field.name]),
depth+1,
)
else:
self.emit("%s = 0;" % field.name, depth+1)
elif not self.isSimpleType(field):
self.emit("%s = NULL;" % field.name, depth+1)
if not field.opt:
self.emit("if (tmp == NULL) {", depth)
message = "required field \\\"%s\\\" missing from %s" % (field.name, name)
format = "PyErr_SetString(PyExc_TypeError, \"%s\");"
self.emit(format % message, depth+1, reflow=False)
self.emit("return 1;", depth+1)
else:
raise TypeError("could not determine the default value for %s" % field.name)
self.emit("}", depth)
self.emit("else {", depth)
self.emit("if (tmp == NULL || tmp == Py_None) {", depth)
self.emit("Py_CLEAR(tmp);", depth+1)
if self.isNumeric(field):
if field.name in self.attribute_special_defaults:
self.emit(
"%s = %s;" % (field.name, self.attribute_special_defaults[field.name]),
depth+1,
)
else:
self.emit("%s = 0;" % field.name, depth+1)
elif not self.isSimpleType(field):
self.emit("%s = NULL;" % field.name, depth+1)
else:
raise TypeError("could not determine the default value for %s" % field.name)
self.emit("}", depth)
self.emit("else {", depth)
self.emit("int res;", depth+1)
if field.seq: