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Remove C casts in PyTypeObject for Python builtin type declarations

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Choose compile time failures over runtime errors.
This change highlighted a problem in the constructor wrappers for tp_init
where the kwargs parameter was missing in the generated wrapper function.
Leave casts in for 0 initialization.
This commit is contained in:
William S Fulton 2016-10-28 07:04:33 +01:00
commit 2fee7c96cc
1 changed files with 10 additions and 11 deletions
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21
Source/Modules/python.cxx
View file

@ -177,7 +177,7 @@ static String *getSlot(Node *n = NULL, const char *key = NULL, String *default_s
static void printSlot(File *f, String *slotval, const char *slotname, const char *functype = NULL) {
String *slotval_override = 0;
if (functype)
if (functype && Strcmp(slotval, "0") == 0)
slotval = slotval_override = NewStringf("(%s) %s", functype, slotval);
int len = Len(slotval);
int fieldwidth = len > 41 ? (len > 61 ? 0 : 61 - len) : 41 - len;
@ -2501,7 +2501,8 @@ public:
String *tmp = NewString("");
String *dispatch;
const char *dispatch_code = funpack ? "return %s(self, argc, argv);" : "return %s(self, args);";
const char *dispatch_code = funpack ? "return %s(self, argc, argv);" :
(builtin_ctor ? "return %s(self, args, NULL);" : "return %s(self, args);");
if (castmode) {
dispatch = Swig_overload_dispatch_cast(n, dispatch_code, &maxargs);
@ -2515,7 +2516,8 @@ public:
String *symname = Getattr(n, "sym:name");
String *wname = Swig_name_wrapper(symname);
Printv(f->def, linkage, builtin_ctor ? "int " : "PyObject *", wname, "(PyObject *self, PyObject *args) {", NIL);
const char *builtin_kwargs = builtin_ctor ? ", PyObject *SWIGUNUSEDPARM(kwargs)" : "";
Printv(f->def, linkage, builtin_ctor ? "int " : "PyObject *", wname, "(PyObject *self, PyObject *args", builtin_kwargs, ") {", NIL);
Wrapper_add_local(f, "argc", "Py_ssize_t argc");
Printf(tmp, "PyObject *argv[%d] = {0}", maxargs + 1);
@ -2729,9 +2731,10 @@ public:
Append(wname, overname);
}
const char *builtin_kwargs = builtin_ctor ? ", PyObject *SWIGUNUSEDPARM(kwargs)" : "";
if (!allow_kwargs || overname) {
if (!varargs) {
Printv(f->def, linkage, wrap_return, wname, "(PyObject *", self_param, ", PyObject *args) {", NIL);
Printv(f->def, linkage, wrap_return, wname, "(PyObject *", self_param, ", PyObject *args", builtin_kwargs, ") {", NIL);
} else {
Printv(f->def, linkage, wrap_return, wname, "__varargs__", "(PyObject *", self_param, ", PyObject *args, PyObject *varargs) {", NIL);
}
@ -2933,11 +2936,7 @@ public:
}
Printf(parse_args, "if ((nobjs < %d) || (nobjs > %d)) SWIG_fail;\n", num_required, num_arguments);
} else {
if (noargs) {
Printv(f->def, linkage, wrap_return, wname, "(PyObject *", self_param, ", PyObject *args) {", NIL);
} else {
Printv(f->def, linkage, wrap_return, wname, "(PyObject *", self_param, ", PyObject *args) {", NIL);
}
Printv(f->def, linkage, wrap_return, wname, "(PyObject *", self_param, ", PyObject *args", builtin_kwargs, ") {", NIL);
if (onearg && !builtin_ctor) {
Printf(parse_args, "if (!args) SWIG_fail;\n");
Append(parse_args, "swig_obj[0] = args;\n");
@ -3241,7 +3240,7 @@ public:
// Note: funpack is currently always false for varargs
Printv(f->def, linkage, wrap_return, wname, "(PyObject *", self_param, ", Py_ssize_t nobjs, PyObject **swig_obj) {", NIL);
} else {
Printv(f->def, linkage, wrap_return, wname, "(PyObject *", self_param, ", PyObject *args) {", NIL);
Printv(f->def, linkage, wrap_return, wname, "(PyObject *", self_param, ", PyObject *args", builtin_kwargs, ") {", NIL);
}
Wrapper_add_local(f, "resultobj", builtin_ctor ? "int resultobj" : "PyObject *resultobj");
Wrapper_add_local(f, "varargs", "PyObject *varargs");
@ -3351,7 +3350,7 @@ public:
closure_name = Copy(wrapper_name);
}
if (func_type) {
String *s = NewStringf("(%s) %s", func_type, closure_name);
String *s = NewStringf("%s", closure_name);
Delete(closure_name);
closure_name = s;
}