1 ###################################################
2 # Samba4 parser generator for swig wrappers
3 # Copyright tpot@samba.org 2004
4 # released under the GNU GPL
10 # Some build farm machines don't have the Data::Dumper module installed
12 eval("use Data::Dumper");
14 my(%interfaces, %functions, %structs, %unions);
20 return $unions{$name};
23 # Generate code to convert a Python object to an array
25 sub ArrayFromPython($$)
33 if (util::has_property($e, "size_is")) {
34 $size = util::has_property($e, "size_is");
36 $size = $e->{ARRAY_LEN};
39 if (util::has_property($e, "length_is")) {
40 $size = util::has_property($e, "length_is");
43 if (!util::is_constant($size)) {
44 $size = "s->$prefix$size";
47 my($type) = $e->{TYPE};
49 if (!util::is_scalar_type($type)) {
50 $type = "struct $type";
53 if (!util::is_constant($e->{ARRAY_LEN})) {
54 $result .= "\ts->$prefix$e->{NAME} = talloc(mem_ctx, $size * sizeof($type));\n";
57 $result .= "\tif (!PyDict_GetItemString(obj, \"$e->{NAME}\")) {\n";
58 $result .= "\t\tPyErr_Format(PyExc_ValueError, \"Expecting key '%s'\", \"$e->{NAME}\");\n";
59 $result .= "\t\treturn NULL;\n";
62 $result .= "\tif (!PyList_Check(PyDict_GetItemString(obj, \"$e->{NAME}\"))) {\n";
63 $result .= "\t\tPyErr_Format(PyExc_TypeError, \"Expecting list value for key '%s'\", \"$e->{NAME}\");\n";
64 $result .= "\t\treturn NULL;\n";
69 $result .= "\t\tint i;\n\n";
70 $result .= "\t\tfor (i = 0; i < $size; i++) {\n";
71 if (util::is_scalar_type($e->{TYPE})) {
72 $result .= "\t\t\ts->$prefix$e->{NAME}\[i\] = $e->{TYPE}_from_python(PyList_GetItem(PyDict_GetItemString(obj, \"$e->{NAME}\"), i), \"$e->{NAME}\");\n";
74 $result .= "\t\t\t$e->{TYPE}_from_python(mem_ctx, &s->$prefix$e->{NAME}\[i\], PyList_GetItem(PyDict_GetItemString(obj, \"$e->{NAME}\"), i), \"$e->{NAME}\");\n";
83 # Generate code to convert a Python object to a structure field
85 sub FieldFromPython($$)
90 my($obj) = "PyDict_GetItemString(obj, \"$e->{NAME}\")";
94 if ($e->{TYPE} eq "string" && $e->{POINTERS} == 1) {
95 $result .= "\ts->$prefix$e->{NAME} = string_ptr_from_python(mem_ctx, $obj, \"$e->{NAME}\");\n";
99 # Generate conversion for element
101 if (util::is_scalar_type($e->{TYPE})) {
103 if ($e->{POINTERS} == 0) {
104 if ($e->{ARRAY_LEN}) {
105 $result .= ArrayFromPython($e, $prefix);
107 $result .= "\ts->$prefix$e->{NAME} = $e->{TYPE}_from_python($obj, \"$e->{NAME}\");\n";
110 $result .= "\ts->$prefix$e->{NAME} = talloc(mem_ctx, sizeof($e->{TYPE}));\n";
111 $result .= "\t*s->$prefix$e->{NAME} = $e->{TYPE}_from_python($obj, \"$e->{NAME}\");\n";
114 if ($e->{POINTERS} == 0) {
115 if ($e->{ARRAY_LEN}) {
116 $result .= ArrayFromPython($e, $prefix);
118 $result .= "\t$e->{TYPE}_from_python(mem_ctx, &s->$prefix$e->{NAME}, $obj, \"$e->{NAME}\");\n";
121 if ($e->{ARRAY_LEN} or util::has_property($e, "size_is")) {
122 $result .= ArrayFromPython($e, $prefix);
124 $result .= "\ts->$prefix$e->{NAME} = $e->{TYPE}_ptr_from_python(mem_ctx, $obj, \"$e->{NAME}\");\n";
132 # Generate code to convert an array to a Python object
134 sub ArrayToPython($$)
140 my($array_len) = $e->{ARRAY_LEN};
142 if ($array_len eq "*" or util::has_property($e, "size_is")) {
143 $array_len = util::has_property($e, "size_is");
146 if (!util::is_constant($array_len)) {
147 $array_len = "s->$prefix$array_len";
150 my($type) = $e->{TYPE};
152 if (!util::is_scalar_type($type)) {
153 $type = "struct $type";
156 $result .= "\n\t{\n";
157 $result .= "\t\tPyObject *temp;\n";
158 $result .= "\t\tint i;\n\n";
160 $result .= "\t\ttemp = PyList_New($array_len);\n\n";
161 $result .= "\t\tfor (i = 0; i < $array_len; i++) {\n";
162 if (util::is_scalar_type($e->{TYPE})) {
163 $result .= "\t\t\tPyList_SetItem(temp, i, $e->{TYPE}_to_python(s->$prefix$e->{NAME}\[i\]));\n";
165 $result .= "\t\t\tPyList_SetItem(temp, i, $e->{TYPE}_ptr_to_python(mem_ctx, &s->$prefix$e->{NAME}\[i\]));\n";
167 $result .= "\t\t}\n";
169 $result .= "\t\tPyDict_SetItemString(obj, \"$e->{NAME}\", temp);\n";
176 # Generate code to convert a structure field to a Python object
178 sub FieldToPython($$)
186 if ($e->{TYPE} eq "string" && $e->{POINTERS} == 1) {
187 $result .= "\tPyDict_SetItemString(obj, \"$e->{NAME}\", string_ptr_to_python(mem_ctx, s->$prefix$e->{NAME}));\n";
191 # Generate conversion for scalars and structures
193 if (util::is_scalar_type($e->{TYPE})) {
194 if ($e->{POINTERS} == 0) {
195 if ($e->{ARRAY_LEN}) {
196 $result .= ArrayToPython($e, $prefix);
198 $result .= "\tPyDict_SetItemString(obj, \"$e->{NAME}\", $e->{TYPE}_to_python(s->$prefix$e->{NAME}));\n";
201 if ($e->{ARRAY_LEN} or util::has_property($e, "size_is")) {
202 $result .= ArrayToPython($e, $prefix);
204 $result .= "\tPyDict_SetItemString(obj, \"$e->{NAME}\", $e->{TYPE}_to_python(*s->$prefix$e->{NAME}));\n";
209 my($extra_args) = "";
211 if (isunion($e->{TYPE})) {
212 $extra_args = ", switch_is";
215 if ($e->{POINTERS} == 0) {
216 if ($e->{ARRAY_LEN}) {
217 $result .= ArrayToPython($e, $prefix);
219 $result .= "\tPyDict_SetItemString(obj, \"$e->{NAME}\", $e->{TYPE}_ptr_to_python(mem_ctx, &s->$prefix$e->{NAME}$extra_args));\n";
222 if ($e->{ARRAY_LEN} or util::has_property($e, "size_is")) {
223 $result .= ArrayToPython($e, $prefix);
225 $result .= "\tPyDict_SetItemString(obj, \"$e->{NAME}\", $e->{TYPE}_ptr_to_python(mem_ctx, s->$prefix$e->{NAME}$extra_args));\n";
241 $result .= IdlDump::DumpFunction($fn);
244 # Generate function to convert Python dict to structure pointer
246 $result .= "/* Convert Python dict to struct $fn->{NAME}.in */\n\n";
248 $result .= "struct $fn->{NAME} *$fn->{NAME}_ptr_from_python(TALLOC_CTX *mem_ctx, PyObject *obj, char *name)\n";
251 $result .= "\tstruct $fn->{NAME} *s;\n\n";
253 $result .= "\tif (!PyDict_Check(obj)) {\n";
254 $result .= "\t\tPyErr_Format(PyExc_TypeError, \"Expecting dict value for key '%s'\", name);\n";
255 $result .= "\t\t\treturn NULL;\n";
256 $result .= "\t}\n\n";
258 $result .= "\ts = talloc(mem_ctx, sizeof(struct $fn->{NAME}));\n\n";
260 # Remove this when all elements are initialised
261 $result .= "\tmemset(s, 0, sizeof(struct $fn->{NAME}));\n\n";
263 foreach my $e (@{$fn->{DATA}}) {
264 if (util::has_property($e, "in")) {
265 if (util::has_property($e, "ref")) {
266 $result .= "\tif (PyDict_GetItemString(obj, \"$e->{NAME}\") == Py_None) {\n";
267 $result .= "\t\tPyErr_Format(PyExc_ValueError, \"Key '$e->{NAME}' cannot be None\");\n";
268 $result .= "\t\treturn NULL;\n";
271 $result .= FieldFromPython($e, "in.") ;
276 $result .= "\treturn s;\n";
279 # Generate function to convert structure pointer to Python dict
281 $result .= "/* Convert struct $fn->{NAME}.out to Python dict */\n\n";
283 $result .= "PyObject *$fn->{NAME}_ptr_to_python(TALLOC_CTX *mem_ctx, struct $fn->{NAME} *s";
285 foreach my $e (@{$fn->{DATA}}) {
286 if (isunion($e->{TYPE})) {
287 $result .= ", int switch_is";
294 $result .= "\tPyObject *obj = PyDict_New();\n\n";
296 foreach my $e (@{$fn->{DATA}}) {
297 $result .= FieldToPython($e, "out.") if util::has_property($e, "out")
301 $result .= "\treturn obj;\n";
308 $result .= "%typemap(in) struct $fn->{NAME} * {\n";
309 $result .= "\tTALLOC_CTX *mem_ctx = talloc_init(\"typemap(int) $fn->{NAME}\");\n\n";
311 $result .= "\t\$1 = $fn->{NAME}_ptr_from_python(mem_ctx, \$input, \"<function params>\");\n\n";
313 $result .= "\tif (PyErr_Occurred()) return NULL;\n\n";
319 $result .= "%typemap(argout) struct $fn->{NAME} * (PyObject *temp) {\n";
320 $result .= "\tTALLOC_CTX *mem_ctx = talloc_init(\"typemap(argout) $fn->{NAME}\");\n\n";
322 $result .= "\ttemp = $fn->{NAME}_ptr_to_python(mem_ctx, \$1";
324 foreach my $e (@{$fn->{DATA}}) {
325 if ((my $switch_is = util::has_property($e, "switch_is"))) {
326 $result .= ", \$1->in.$switch_is";
332 $result .= "\tPyDict_SetItemString(temp, \"result\", resultobj);\n";
333 $result .= "\tresultobj = temp;\n";
335 $result .= "\ttalloc_free(mem_ctx);\n";
338 # Function definitions
340 $result .= "%rename($fn->{NAME}) dcerpc_$fn->{NAME};\n";
341 $result .= "$fn->{RETURN_TYPE} dcerpc_$fn->{NAME}(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx, struct $fn->{NAME} *r);\n\n";
354 $result .= IdlDump::DumpTypedef($s);
357 # Generate function to convert Python dict to structure pointer
359 $result .= "/* Convert Python dict to struct $s->{NAME} pointer */\n\n";
361 $result .= "struct $s->{NAME} *$s->{NAME}_ptr_from_python(TALLOC_CTX *mem_ctx, PyObject *obj, char *name)\n";
363 $result .= "\tstruct $s->{NAME} *s;\n\n";
365 $result .= "\tif (obj == NULL) {\n";
366 $result .= "\t\tPyErr_Format(PyExc_ValueError, \"Expecting key '%s'\", name);\n";
367 $result .= "\t\treturn NULL;\n";
368 $result .= "\t}\n\n";
370 $result .= "\tif (obj == Py_None) return NULL;\n\n";
372 $result .= "\tif (!PyDict_Check(obj)) {\n";
373 $result .= "\t\tPyErr_Format(PyExc_TypeError, \"Expecting dict value for key '%s'\", name);\n";
374 $result .= "\t\treturn NULL;\n";
375 $result .= "\t}\n\n";
377 $result .= "\ts = talloc(mem_ctx, sizeof(struct $s->{NAME}));\n\n";
379 foreach my $e (@{$s->{DATA}{ELEMENTS}}) {
380 $result .= FieldFromPython($e, "");
384 $result .= "\treturn s;\n";
387 # Generate function to convert Python dict to structure
389 $result .= "/* Convert Python dict to struct $s->{NAME} */\n\n";
391 $result .= "void $s->{NAME}_from_python(TALLOC_CTX *mem_ctx, struct $s->{NAME} *s, PyObject *obj, char *name)\n";
394 $result .= "\tif (obj == NULL) {\n";
395 $result .= "\t\tPyErr_Format(PyExc_ValueError, \"Expecting key '%s'\", name);\n";
396 $result .= "\t\treturn;\n";
397 $result .= "\t}\n\n";
399 $result .= "\tif (!PyDict_Check(obj)) {\n";
400 $result .= "\t\tPyErr_Format(PyExc_TypeError, \"Expecting dict value for key '%s'\", name);\n";
401 $result .= "\t\treturn;\n";
402 $result .= "\t}\n\n";
404 foreach my $e (@{$s->{DATA}{ELEMENTS}}) {
405 $result .= FieldFromPython($e, "");
410 # Generate function to convert structure pointer to Python dict
412 $result .= "/* Convert struct $s->{NAME} pointer to Python dict */\n\n";
414 $result .= "PyObject *$s->{NAME}_ptr_to_python(TALLOC_CTX *mem_ctx, struct $s->{NAME} *s)\n";
417 $result .= "\tPyObject *obj;\n\n";
419 $result .= "\tif (s == NULL) {\n";
420 $result .= "\t\tPy_INCREF(Py_None);\n";
421 $result .= "\t\treturn Py_None;\n";
422 $result .= "\t}\n\n";
424 $result .= "\tobj = PyDict_New();\n\n";
426 foreach my $e (@{$s->{DATA}{ELEMENTS}}) {
427 $result .= FieldToPython($e, "");
431 $result .= "\treturn obj;\n";
434 $result .= "\n%}\n\n";
445 $result .= IdlDump::DumpTypedef($u);
448 # Generate function to convert Python dict to union pointer
451 $result .= "/* Convert Python dict to union $u->{NAME} pointer */\n\n";
453 $result .= "union $u->{NAME} *$u->{NAME}_ptr_from_python(TALLOC_CTX *mem_ctx, PyObject *obj, char *name)\n";
456 $result .= "\tunion $u->{NAME} *u;\n";
457 $result .= "\tPyObject *dict;\n\n";
459 $result .= "\tif (obj == NULL) {\n";
460 $result .= "\t\tPyErr_Format(PyExc_ValueError, \"Expecting key '%s'\", name);\n";
461 $result .= "\t\treturn NULL;\n";
462 $result .= "\t}\n\n";
464 $result .= "\tif (!PyDict_Check(obj)) {\n";
465 $result .= "\t\tPyErr_Format(PyExc_TypeError, \"Expecting dict value for key '%s'\", name);\n";
466 $result .= "\t\treturn NULL;\n";
467 $result .= "\t}\n\n";
469 $result .= "\tu = talloc(mem_ctx, sizeof(union $u->{NAME}));\n\n";
471 for my $e (@{$u->{DATA}{DATA}}) {
472 $result .= "\tif ((dict = PyDict_GetItemString(obj, \"$e->{DATA}{NAME}\"))) {\n";
473 if ($e->{DATA}{POINTERS} == 0) {
474 $result .= "\t\t$e->{DATA}{TYPE}_from_python(mem_ctx, &u->$e->{DATA}{NAME}, dict, \"$e->{DATA}{NAME}\");\n";
475 } elsif ($e->{DATA}{POINTERS} == 1) {
476 $result .= "\t\tu->$e->{DATA}{NAME} = $e->{DATA}{TYPE}_ptr_from_python(mem_ctx, dict, \"$e->{DATA}{NAME}\");\n";
478 $result .= "\t\t// $e->{DATA}{TYPE} pointers=$e->{DATA}{POINTERS}\n";
481 $result .= "\t\treturn u;\n";
482 $result .= "\t}\n\n";
485 $result .= "\treturn NULL;\n";
488 # Generate function to convert Python dict to union
490 $result .= "/* Convert Python dict to union $u->{NAME} */\n\n";
492 $result .= "void $u->{NAME}_from_python(TALLOC_CTX *mem_ctx, union $u->{NAME} *u, PyObject *obj, char *name)\n";
494 $result .= "\tPyObject *dict;\n\n";
496 $result .= "\tif (obj == NULL) {\n";
497 $result .= "\t\tPyErr_Format(PyExc_ValueError, \"Expecting key '%s'\", name);\n";
498 $result .= "\t\treturn;\n";
499 $result .= "\t}\n\n";
501 $result .= "\tif (!PyDict_Check(obj)) {\n";
502 $result .= "\t\tPyErr_Format(PyExc_TypeError, \"Expecting dict value for key '%s'\", name);\n";
503 $result .= "\t\treturn;\n";
504 $result .= "\t}\n\n";
506 for my $e (@{$u->{DATA}{DATA}}) {
507 $result .= "\tif ((dict = PyDict_GetItemString(obj, \"$e->{DATA}{NAME}\"))) {\n";
508 if ($e->{DATA}{POINTERS} == 0) {
509 $result .= "\t\t$e->{DATA}{TYPE}_from_python(mem_ctx, &u->$e->{DATA}{NAME}, dict, \"$e->{DATA}{NAME}\");\n";
510 } elsif ($e->{DATA}{POINTERS} == 1) {
511 $result .= "\t\tu->$e->{DATA}{NAME} = $e->{DATA}{TYPE}_ptr_from_python(mem_ctx, dict, \"$e->{DATA}{NAME}\");\n";
513 $result .= "\t\t// $e->{DATA}{TYPE} pointers=$e->{DATA}{POINTERS}\n";
516 $result .= "\t\treturn;\n";
517 $result .= "\t}\n\n";
521 # Generate function to convert union pointer to Python dict
523 $result .= "/* Convert union $u->{NAME} pointer to Python dict */\n\n";
525 $result .= "PyObject *$u->{NAME}_ptr_to_python(TALLOC_CTX *mem_ctx, union $u->{NAME} *u, int switch_is)\n";
527 $result .= "\tPyObject *obj;\n\n";
529 $result .= "\tif (u == NULL) {\n";
530 $result .= "\t\tPy_INCREF(Py_None);\n";
531 $result .= "\t\treturn Py_None;\n";
532 $result .= "\t}\n\n";
534 $result .= "\tobj = PyDict_New();\n\n";
536 for my $e (@{$u->{DATA}{DATA}}) {
537 $result .= "\tif (switch_is == $e->{CASE}) {\n";
538 if ($e->{POINTERS} == 0) {
539 $result .= "\t\tPyDict_SetItemString(obj, \"$e->{DATA}{NAME}\", $e->{DATA}{TYPE}_ptr_to_python(mem_ctx, &u->$e->{DATA}{NAME}));\n";
541 $result .= "\t\tPyDict_SetItemString(obj, \"$e->{DATA}{NAME}\", $e->{DATA}{TYPE}_ptr_to_python(mem_ctx, u->$e->{DATA}{NAME}));\n";
546 $result .= "\treturn obj;\n";
550 $result .= "\n%}\n\n";
561 $result .= ParseStruct($e) if $e->{DATA}{TYPE} eq "STRUCT";
562 $result .= ParseUnion($e) if $e->{DATA}{TYPE} eq "UNION";
568 sub ParseInheritedData($)
573 foreach my $e (@{$data}) {
574 $result .= ParseFunction($e) if $e->{TYPE} eq "FUNCTION";
575 $result .= ParseTypedef($e) if $e->{TYPE} eq "TYPEDEF";
586 if ($hdr->{PROPERTIES}{uuid}) {
587 my($name) = $hdr->{NAME};
588 $result .= "#define DCERPC_" . uc($name) . "_UUID \"$hdr->{PROPERTIES}->{uuid}\"\n";
589 $result .= "const int DCERPC_" . uc($name) . "_VERSION = " . $hdr->{PROPERTIES}->{version} . ";\n";
590 $result .= "#define DCERPC_" . uc($name) . "_NAME \"" . $name . "\"\n";
594 $result .= ParseInheritedData($hdr->{INHERITED_DATA});
604 # Make index of functions, structs and unions. Currently unused.
606 foreach my $x (@{$idl}) {
607 my($iname) = $x->{NAME};
608 $interfaces{$iname} = $x->{PROPERTIES};
609 foreach my $i (@{$x->{INHERITED_DATA}}) {
610 $functions{$i->{NAME}} = $i if $i->{TYPE} eq "FUNCTION";
611 if ($i->{TYPE} eq "TYPEDEF") {
612 $structs{$i->{NAME}} = $i->{DATA} if $i->{DATA}{TYPE} eq "STRUCT";
613 $unions{$i->{NAME}} = $i->{DATA} if $i->{DATA}{TYPE} eq "UNION";
620 $result .= "/* Auto-generated by pidl. Tastes like -*- C -*-. */\n\n";
622 foreach my $x (@{$idl}) {
623 $result .= ParseHeader($x) if ($x->{TYPE} eq "INTERFACE");