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bpo-40179: Fix translation of #elif in Argument Clinic (GH-19364)

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Co-authored-by: Ammar Askar <ammar@ammaraskar.com>
This commit is contained in:
Serhiy Storchaka 2020-04-18 17:52:48 +03:00 committed by GitHub
parent fb940408ce
commit 12446e6a60
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 126 additions and 25 deletions
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105
Lib/test/clinic.test
View file

@ -3260,3 +3260,108 @@ exit:
static PyObject *
test_keyword_only_parameter_impl(PyObject *module, PyBytesObject *co_lnotab)
/*[clinic end generated code: output=f25914b402039493 input=303df5046c7e37a3]*/
/*[clinic input]
output push
output preset buffer
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=5bff3376ee0df0b5]*/
#ifdef CONDITION_A
/*[clinic input]
test_preprocessor_guarded_condition_a
[clinic start generated code]*/
static PyObject *
test_preprocessor_guarded_condition_a_impl(PyObject *module)
/*[clinic end generated code: output=ad012af18085add6 input=8edb8706a98cda7e]*/
#elif CONDITION_B
/*[clinic input]
test_preprocessor_guarded_elif_condition_b
[clinic start generated code]*/
static PyObject *
test_preprocessor_guarded_elif_condition_b_impl(PyObject *module)
/*[clinic end generated code: output=615f2dee82b138d1 input=53777cebbf7fee32]*/
#else
/*[clinic input]
test_preprocessor_guarded_else
[clinic start generated code]*/
static PyObject *
test_preprocessor_guarded_else_impl(PyObject *module)
/*[clinic end generated code: output=13af7670aac51b12 input=6657ab31d74c29fc]*/
#endif
/*[clinic input]
dump buffer
output pop
[clinic start generated code]*/
#if defined(CONDITION_A)
PyDoc_STRVAR(test_preprocessor_guarded_condition_a__doc__,
"test_preprocessor_guarded_condition_a($module, /)\n"
"--\n"
"\n");
#define TEST_PREPROCESSOR_GUARDED_CONDITION_A_METHODDEF \
{"test_preprocessor_guarded_condition_a", (PyCFunction)test_preprocessor_guarded_condition_a, METH_NOARGS, test_preprocessor_guarded_condition_a__doc__},
static PyObject *
test_preprocessor_guarded_condition_a(PyObject *module, PyObject *Py_UNUSED(ignored))
{
return test_preprocessor_guarded_condition_a_impl(module);
}
#endif /* defined(CONDITION_A) */
#if !defined(CONDITION_A) && (CONDITION_B)
PyDoc_STRVAR(test_preprocessor_guarded_elif_condition_b__doc__,
"test_preprocessor_guarded_elif_condition_b($module, /)\n"
"--\n"
"\n");
#define TEST_PREPROCESSOR_GUARDED_ELIF_CONDITION_B_METHODDEF \
{"test_preprocessor_guarded_elif_condition_b", (PyCFunction)test_preprocessor_guarded_elif_condition_b, METH_NOARGS, test_preprocessor_guarded_elif_condition_b__doc__},
static PyObject *
test_preprocessor_guarded_elif_condition_b(PyObject *module, PyObject *Py_UNUSED(ignored))
{
return test_preprocessor_guarded_elif_condition_b_impl(module);
}
#endif /* !defined(CONDITION_A) && (CONDITION_B) */
#if !defined(CONDITION_A) && !(CONDITION_B)
PyDoc_STRVAR(test_preprocessor_guarded_else__doc__,
"test_preprocessor_guarded_else($module, /)\n"
"--\n"
"\n");
#define TEST_PREPROCESSOR_GUARDED_ELSE_METHODDEF \
{"test_preprocessor_guarded_else", (PyCFunction)test_preprocessor_guarded_else, METH_NOARGS, test_preprocessor_guarded_else__doc__},
static PyObject *
test_preprocessor_guarded_else(PyObject *module, PyObject *Py_UNUSED(ignored))
{
return test_preprocessor_guarded_else_impl(module);
}
#endif /* !defined(CONDITION_A) && !(CONDITION_B) */
#ifndef TEST_PREPROCESSOR_GUARDED_CONDITION_A_METHODDEF
#define TEST_PREPROCESSOR_GUARDED_CONDITION_A_METHODDEF
#endif /* !defined(TEST_PREPROCESSOR_GUARDED_CONDITION_A_METHODDEF) */
#ifndef TEST_PREPROCESSOR_GUARDED_ELIF_CONDITION_B_METHODDEF
#define TEST_PREPROCESSOR_GUARDED_ELIF_CONDITION_B_METHODDEF
#endif /* !defined(TEST_PREPROCESSOR_GUARDED_ELIF_CONDITION_B_METHODDEF) */
#ifndef TEST_PREPROCESSOR_GUARDED_ELSE_METHODDEF
#define TEST_PREPROCESSOR_GUARDED_ELSE_METHODDEF
#endif /* !defined(TEST_PREPROCESSOR_GUARDED_ELSE_METHODDEF) */
/*[clinic end generated code: output=3804bb18d454038c input=3fc80c9989d2f2e1]*/

1
Misc/NEWS.d/next/Tools-Demos/2020-04-04-19-35-22.bpo-40179.u9FH10.rst Normal file
View file

@ -0,0 +1 @@
Fixed translation of ``#elif`` in Argument Clinic.

6
Modules/clinic/posixmodule.c.h generated
View file

@ -3900,7 +3900,7 @@ exit:
#endif /* defined(HAVE_WAITPID) */
#if defined(HAVE_CWAIT)
#if !defined(HAVE_WAITPID) && defined(HAVE_CWAIT)
PyDoc_STRVAR(os_waitpid__doc__,
"waitpid($module, pid, options, /)\n"
@ -3936,7 +3936,7 @@ exit:
return return_value;
}
#endif /* defined(HAVE_CWAIT) */
#endif /* !defined(HAVE_WAITPID) && defined(HAVE_CWAIT) */
#if defined(HAVE_WAIT)
@ -8869,4 +8869,4 @@ exit:
#ifndef OS_WAITSTATUS_TO_EXITCODE_METHODDEF
#define OS_WAITSTATUS_TO_EXITCODE_METHODDEF
#endif /* !defined(OS_WAITSTATUS_TO_EXITCODE_METHODDEF) */
/*[clinic end generated code: output=4e28994a729eddf9 input=a9049054013a1b77]*/
/*[clinic end generated code: output=ca63e471c11dc6e7 input=a9049054013a1b77]*/

39
Tools/clinic/cpp.py
View file

@ -141,23 +141,15 @@ def pop_stack():
token = fields[0].lower()
condition = ' '.join(fields[1:]).strip()
if_tokens = {'if', 'ifdef', 'ifndef'}
all_tokens = if_tokens | {'elif', 'else', 'endif'}
if token not in all_tokens:
return
# cheat a little here, to reuse the implementation of if
if token == 'elif':
pop_stack()
token = 'if'
if token in if_tokens:
if token in {'if', 'ifdef', 'ifndef', 'elif'}:
if not condition:
self.fail("Invalid format for #" + token + " line: no argument!")
if token == 'if':
if token in {'if', 'elif'}:
if not self.is_a_simple_defined(condition):
condition = "(" + condition + ")"
if token == 'elif':
previous_token, previous_condition = pop_stack()
self.stack.append((previous_token, negate(previous_condition)))
else:
fields = condition.split()
if len(fields) != 1:
@ -166,18 +158,21 @@ def pop_stack():
condition = 'defined(' + symbol + ')'
if token == 'ifndef':
condition = '!' + condition
token = 'if'
self.stack.append(("if", condition))
if self.verbose:
print(self.status())
self.stack.append((token, condition))
elif token == 'else':
previous_token, previous_condition = pop_stack()
self.stack.append((previous_token, negate(previous_condition)))
elif token == 'endif':
while pop_stack()[0] != 'if':
pass
else:
return
previous_token, previous_condition = pop_stack()
if token == 'else':
self.stack.append(('else', negate(previous_condition)))
elif token == 'endif':
pass
if self.verbose:
print(self.status())