From 44838763e2423b2fd2493284d36ccc2d3448c673 Mon Sep 17 00:00:00 2001 From: Tim Potter Date: Mon, 20 Sep 2004 05:41:31 +0000 Subject: r2428: Handle unions as [out] parameters by passing the value of the switch_is parameter down to the various conversion functions. (This used to be commit 46b3d4cfd8effcc75293b8b0af04203fa25742b2) --- source4/build/pidl/swig.pm | 76 +++++++++++++++++++++++++++++++++++++--------- 1 file changed, 61 insertions(+), 15 deletions(-) diff --git a/source4/build/pidl/swig.pm b/source4/build/pidl/swig.pm index e8928aae53..6442aff005 100644 --- a/source4/build/pidl/swig.pm +++ b/source4/build/pidl/swig.pm @@ -11,6 +11,15 @@ use strict; eval("use Data::Dumper"); +my(%interfaces, %functions, %structs, %unions); + +sub isunion($) +{ + my($name) = shift; + + return $unions{$name}; +} + # Display properties of a structure field as commented out code sub DebugField($) @@ -47,8 +56,6 @@ sub ArrayFromPython($$) my($prefix) = shift; my($result) = ""; - $result .= "/* " . Dumper($e) . " */\n"; - my($size); if (util::has_property($e, "size_is")) { @@ -209,7 +216,7 @@ sub FieldToPython($$) return $result; } - # Generate conversion for element + # Generate conversion for scalars and structures if (util::is_scalar_type($e->{TYPE})) { if ($e->{POINTERS} == 0) { @@ -227,17 +234,24 @@ sub FieldToPython($$) } } } else { + + my($extra_args) = ""; + + if (isunion($e->{TYPE})) { + $extra_args = ", switch_is"; + } + if ($e->{POINTERS} == 0) { if ($e->{ARRAY_LEN}) { $result .= ArrayToPython($e, $prefix); } else { - $result .= "\tPyDict_SetItemString(obj, \"$e->{NAME}\", $e->{TYPE}_ptr_to_python(mem_ctx, &s->$prefix$e->{NAME}));\n"; + $result .= "\tPyDict_SetItemString(obj, \"$e->{NAME}\", $e->{TYPE}_ptr_to_python(mem_ctx, &s->$prefix$e->{NAME}$extra_args));\n"; } } else { if ($e->{ARRAY_LEN} or util::has_property($e, "size_is")) { $result .= ArrayToPython($e, $prefix); } else { - $result .= "\tPyDict_SetItemString(obj, \"$e->{NAME}\", $e->{TYPE}_ptr_to_python(mem_ctx, s->$prefix$e->{NAME}));\n"; + $result .= "\tPyDict_SetItemString(obj, \"$e->{NAME}\", $e->{TYPE}_ptr_to_python(mem_ctx, s->$prefix$e->{NAME}$extra_args));\n"; } } } @@ -287,7 +301,15 @@ sub ParseFunction($) $result .= "/* Convert struct $fn->{NAME}.out to Python dict */\n\n"; - $result .= "PyObject *$fn->{NAME}_ptr_to_python(TALLOC_CTX *mem_ctx, struct $fn->{NAME} *s)\n"; + $result .= "PyObject *$fn->{NAME}_ptr_to_python(TALLOC_CTX *mem_ctx, struct $fn->{NAME} *s"; + + foreach my $e (@{$fn->{DATA}}) { + if (isunion($e->{TYPE})) { + $result .= ", int switch_is"; + } + } + $result .= ")\n"; + $result .= "{\n"; $result .= "\tPyObject *obj = PyDict_New();\n\n"; @@ -306,6 +328,7 @@ sub ParseFunction($) $result .= "%typemap(in) struct $fn->{NAME} * {\n"; $result .= "\tTALLOC_CTX *mem_ctx = talloc_init(\"typemap(int) $fn->{NAME}\");\n\n"; + $result .= "\t\$1 = $fn->{NAME}_ptr_from_python(mem_ctx, \$input, \"\");\n\n"; $result .= "\tif (PyErr_Occurred()) return NULL;\n\n"; @@ -316,7 +339,16 @@ sub ParseFunction($) $result .= "%typemap(argout) struct $fn->{NAME} * {\n"; $result .= "\tTALLOC_CTX *mem_ctx = talloc_init(\"typemap(argout) $fn->{NAME}\");\n\n"; - $result .= "\tresultobj = $fn->{NAME}_ptr_to_python(mem_ctx, \$1);\n\n"; + + $result .= "\tresultobj = $fn->{NAME}_ptr_to_python(mem_ctx, \$1"; + + foreach my $e (@{$fn->{DATA}}) { + if ((my $switch_is = util::has_property($e, "switch_is"))) { + $result .= ", \$1->in.$switch_is"; + } + } + + $result .= ");\n\n"; $result .= "\ttalloc_free(mem_ctx);\n"; $result .= "}\n\n"; @@ -399,13 +431,15 @@ sub ParseStruct($) $result .= "PyObject *$s->{NAME}_ptr_to_python(TALLOC_CTX *mem_ctx, struct $s->{NAME} *s)\n"; $result .= "{\n"; - $result .= "\tPyObject *obj = PyDict_New();\n\n"; + $result .= "\tPyObject *obj;\n\n"; $result .= "\tif (s == NULL) {\n"; $result .= "\t\tPy_INCREF(Py_None);\n"; $result .= "\t\treturn Py_None;\n"; $result .= "\t}\n\n"; + $result .= "\tobj = PyDict_New();\n\n"; + foreach my $e (@{$s->{DATA}{ELEMENTS}}) { $result .= FieldToPython($e, ""); } @@ -505,15 +539,29 @@ sub ParseUnion($) $result .= "/* Convert union $u->{NAME} pointer to Python dict */\n\n"; - $result .= "PyObject *$u->{NAME}_ptr_to_python(TALLOC_CTX *mem_ctx, union $u->{NAME} *u)\n"; + $result .= "PyObject *$u->{NAME}_ptr_to_python(TALLOC_CTX *mem_ctx, union $u->{NAME} *u, int switch_is)\n"; $result .= "{\n"; + $result .= "\tPyObject *obj;\n\n"; $result .= "\tif (u == NULL) {\n"; $result .= "\t\tPy_INCREF(Py_None);\n"; $result .= "\t\treturn Py_None;\n"; $result .= "\t}\n\n"; - $result .= "\treturn PyDict_New();\n"; + $result .= "\tobj = PyDict_New();\n\n"; + + for my $e (@{$u->{DATA}{DATA}}) { + $result .= "\tif (switch_is == $e->{CASE}) {\n"; + if ($e->{POINTERS} == 0) { + $result .= "\t\tPyDict_SetItemString(obj, \"$e->{DATA}{NAME}\", $e->{DATA}{TYPE}_ptr_to_python(mem_ctx, &u->$e->{DATA}{NAME}));\n"; + } else { + $result .= "\t\tPyDict_SetItemString(obj, \"$e->{DATA}{NAME}\", $e->{DATA}{TYPE}_ptr_to_python(mem_ctx, u->$e->{DATA}{NAME}));\n"; + } + $result .= "\t}\n"; + } + + $result .= "\treturn obj;\n"; + $result .= "}\n\n"; $result .= "\n%}\n\n"; @@ -572,16 +620,14 @@ sub Parse($) # Make index of functions, structs and unions. Currently unused. - my(%interfaces, %functions, %structs, %unions); - foreach my $x (@{$idl}) { my($iname) = $x->{NAME}; $interfaces{$iname} = $x->{PROPERTIES}; foreach my $i (@{$x->{INHERITED_DATA}}) { - $functions{$iname}{$i->{NAME}} = $i if $i->{TYPE} eq "FUNCTION"; + $functions{$i->{NAME}} = $i if $i->{TYPE} eq "FUNCTION"; if ($i->{TYPE} eq "TYPEDEF") { - $structs{$iname}{$i->{NAME}} = $i->{DATA} if $i->{DATA}{TYPE} eq "STRUCT"; - $unions{$iname}{$i->{NAME}} = $i->{DATA} if $i->{DATA}{TYPE} eq "UNION"; + $structs{$i->{NAME}} = $i->{DATA} if $i->{DATA}{TYPE} eq "STRUCT"; + $unions{$i->{NAME}} = $i->{DATA} if $i->{DATA}{TYPE} eq "UNION"; } } } -- cgit