bpo-40268: Include explicitly pycore_interp.h (GH-19505)

pycore_pystate.h no longer includes pycore_interp.h:
it's now included explicitly in files accessing PyInterpreterState.

Python/_warnings.c

@@ -1,5 +1,6 @@
 #include "Python.h"
 #include "pycore_initconfig.h"
+#include "pycore_interp.h"        // PyInterpreterState.warnings
 #include "pycore_pyerrors.h"
 #include "pycore_pystate.h"
 #include "frameobject.h"

Python/codecs.c

@@ -9,6 +9,7 @@ Copyright (c) Corporation for National Research Initiatives.
    ------------------------------------------------------------------------ */
 
 #include "Python.h"
+#include "pycore_interp.h"     // PyInterpreterState.codec_search_path
 #include "pycore_pystate.h"
 #include "ucnhash.h"
 #include <ctype.h>

Python/dynload_shlib.c

@@ -2,6 +2,7 @@
 /* Support for dynamic loading of extension modules */
 
 #include "Python.h"
+#include "pycore_interp.h"    // _PyInterpreterState.dlopenflags
 #include "pycore_pystate.h"   // _PyInterpreterState_GET_UNSAFE()
 #include "importdl.h"
 

Python/import.c

@@ -9,6 +9,7 @@
 #include "pycore_pyhash.h"
 #include "pycore_pylifecycle.h"
 #include "pycore_pymem.h"
+#include "pycore_interp.h"       // _PyInterpreterState_ClearModules()
 #include "pycore_pystate.h"
 #include "pycore_sysmodule.h"
 #include "errcode.h"

Python/initconfig.c

@@ -3,6 +3,7 @@
 #include "pycore_fileutils.h"
 #include "pycore_getopt.h"
 #include "pycore_initconfig.h"
+#include "pycore_interp.h"    // _PyInterpreterState.runtime
 #include "pycore_pathconfig.h"
 #include "pycore_pyerrors.h"
 #include "pycore_pylifecycle.h"

Python/preconfig.c

@@ -1,8 +1,9 @@
 #include "Python.h"
-#include "pycore_initconfig.h"
 #include "pycore_getopt.h"
-#include "pycore_pystate.h"   /* _PyRuntime_Initialize() */
-#include <locale.h>       /* setlocale() */
+#include "pycore_initconfig.h"
+#include "pycore_pymem.h"      // _PyMem_GetAllocatorName()
+#include "pycore_pystate.h"    // _PyRuntime_Initialize()
+#include <locale.h>            // setlocale()
 
 
 #define DECODE_LOCALE_ERR(NAME, LEN) \

Python/sysmodule.c

@@ -17,7 +17,9 @@ Data members:
 #include "Python.h"
 #include "code.h"
 #include "frameobject.h"
-#include "pycore_ceval.h"
+#include "pycore_ceval.h"        // _Py_RecursionLimitLowerWaterMark()
+#include "pycore_pystate.h"      // _PyThreadState_GET()
+#include "pycore_tupleobject.h"
 #include "pycore_initconfig.h"
 #include "pycore_pathconfig.h"
 #include "pycore_pyerrors.h"

Python/thread_nt.h

@@ -1,3 +1,4 @@
+#include "pycore_interp.h"    // _PyInterpreterState.pythread_stacksize
 
 /* This code implemented by Dag.Gruneau@elsa.preseco.comm.se */
 /* Fast NonRecursiveMutex support by Yakov Markovitch, markovitch@iso.ru */

Python/thread_pthread.h

@@ -1,3 +1,4 @@
+#include "pycore_interp.h"    // _PyInterpreterState.pythread_stacksize
 
 /* Posix threads interface */