mirror of
https://gitlab.gnome.org/GNOME/glib.git
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gdbus-codegen: Generate marshallers for method handlers signals
Get rid completely of the usage of the generic marshaller in gdbus generated code, using instead specific marshallers. Code is not yet optimized fully since we may still have duplicated functions to be generated. Closes: https://gitlab.gnome.org/GNOME/glib/-/issues/3028
This commit is contained in:
Marco Trevisan (Treviño)
parent
6de362fcae
commit
8943ceae6c
@ -2136,7 +2136,7 @@ class CodeGenerator:
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" G_STRUCT_OFFSET (%sIface, handle_%s),\n"
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" g_signal_accumulator_true_handled,\n"
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" NULL,\n" # accu_data
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" g_cclosure_marshal_generic,\n"
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f" {i.name_lower}_method_marshal_{m.name_lower},\n"
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" G_TYPE_BOOLEAN,\n"
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" %d,\n"
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" G_TYPE_DBUS_METHOD_INVOCATION"
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@ -2525,34 +2525,44 @@ class CodeGenerator:
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# ---------------------------------------------------------------------------------------------------
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def generate_marshaller(self, func_name, in_args):
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self.generate_marshaller_declaration(func_name)
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def generate_marshaller(self, func_name, in_args, ret_arg=None):
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self.generate_marshaller_declaration(func_name, uses_ret=ret_arg is not None)
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self.outfile.write("{\n")
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self.generate_marshaller_body(func_name, in_args)
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self.generate_marshaller_body(func_name, in_args, ret_arg)
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self.outfile.write("}\n" "\n")
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def generate_marshaller_declaration(self, func_name):
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def generate_marshaller_declaration(self, func_name, uses_ret=False):
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self.outfile.write(
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"static void\n"
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f"{func_name} (\n"
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" GClosure *closure,\n"
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" GValue *return_value G_GNUC_UNUSED,\n"
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f" GValue *return_value{' G_GNUC_UNUSED' if not uses_ret else ''},\n"
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" unsigned int n_param_values,\n"
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" const GValue *param_values,\n"
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" void *invocation_hint G_GNUC_UNUSED,\n"
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" void *marshal_data)\n"
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)
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def generate_marshaller_body(self, func_name, in_args=[]):
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def generate_marshaller_body(self, func_name, in_args=[], ret_arg=None):
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marshal_func_type = f"{utils.uscore_to_camel_case(func_name)}Func"
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self.outfile.write(
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f" typedef void (*{marshal_func_type})\n"
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f" typedef {ret_arg.ctype_in if ret_arg else 'void '}(*{marshal_func_type})\n"
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" (void *data1,\n"
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+ "".join([f" {a.ctype_in}arg_{a.name},\n" for a in in_args])
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+ " void *data2);\n"
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f" {marshal_func_type} callback;\n"
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" GCClosure *cc = (GCClosure*) closure;\n"
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f" void *data1, *data2;\n"
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)
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if ret_arg:
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self.outfile.write(
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f" {ret_arg.ctype_in}v_return;\n"
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"\n"
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" g_return_if_fail (return_value != NULL);"
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)
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self.outfile.write(
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"\n"
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f" g_return_if_fail (n_param_values == {len(in_args) + 1});\n"
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"\n"
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@ -2570,30 +2580,48 @@ class CodeGenerator:
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f" callback = ({marshal_func_type})\n"
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" (marshal_data ? marshal_data : cc->callback);\n"
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"\n"
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" callback (data1,\n"
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)
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prefix = ""
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if ret_arg:
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self.outfile.write(" v_return =\n")
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prefix = 2 * " "
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self.outfile.write(
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f"{prefix} callback (data1,\n"
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+ "".join(
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[
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f" {in_args[i].gvalue_get} (param_values + {i+1}),\n"
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f"{prefix} {in_args[i].gvalue_get} (param_values + {i+1}),\n"
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for i in range(len(in_args))
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]
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)
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+ " data2);\n"
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+ f"{prefix} data2);\n"
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)
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if ret_arg:
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self.outfile.write(
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"\n" f" {ret_arg.gvalue_set} (return_value, v_return);\n"
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)
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def generate_marshaller_for_type(self, i, t):
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assert isinstance(t, dbustypes.Signal)
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assert isinstance(t, (dbustypes.Signal, dbustypes.Method))
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kind_uscore = utils.camel_case_to_uscore(t.__class__.__name__.lower())
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self.generate_marshaller(
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func_name=f"{i.name_lower}_{kind_uscore}_marshal_{t.name_lower}",
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in_args=t.args,
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in_args=t.marshaller_in_args,
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ret_arg=t.marshaller_ret_arg,
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)
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def generate_signal_marshallers(self, i):
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for s in i.signals:
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self.generate_marshaller_for_type(i, s)
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def generate_method_marshallers(self, i):
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for m in i.methods:
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self.generate_marshaller_for_type(i, m)
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# ---------------------------------------------------------------------------------------------------
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def generate_method_calls(self, i):
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@ -5321,6 +5349,7 @@ class CodeGenerator:
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self.generate_signals_enum_for_interface(i)
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self.generate_introspection_for_interface(i)
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self.generate_signal_marshallers(i)
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self.generate_method_marshallers(i)
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self.generate_interface(i)
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self.generate_property_accessors(i)
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self.generate_signal_emitters(i)
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@ -84,6 +84,7 @@ class Arg:
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self.format_out = "@" + self.signature
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self.gvariant_get = "XXX"
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self.gvalue_get = "g_value_get_variant"
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self.gvalue_set = "g_value_take_variant"
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self.array_annotation = ""
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if not utils.lookup_annotation(
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@ -100,6 +101,7 @@ class Arg:
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self.format_out = "b"
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self.gvariant_get = "g_variant_get_boolean"
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self.gvalue_get = "g_value_get_boolean"
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self.gvalue_set = "g_value_set_boolean"
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elif self.signature == "y":
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self.ctype_in_g = "guchar "
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self.ctype_in = "guchar "
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@ -111,6 +113,7 @@ class Arg:
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self.format_out = "y"
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self.gvariant_get = "g_variant_get_byte"
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self.gvalue_get = "g_value_get_uchar"
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self.gvalue_set = "g_value_set_uchar"
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elif self.signature == "n":
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self.ctype_in_g = "gint "
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self.ctype_in = "gint16 "
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@ -122,6 +125,7 @@ class Arg:
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self.format_out = "n"
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self.gvariant_get = "g_variant_get_int16"
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self.gvalue_get = "g_value_get_int"
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self.gvalue_set = "g_value_set_int"
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elif self.signature == "q":
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self.ctype_in_g = "guint "
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self.ctype_in = "guint16 "
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@ -133,6 +137,7 @@ class Arg:
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self.format_out = "q"
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self.gvariant_get = "g_variant_get_uint16"
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self.gvalue_get = "g_value_get_uint"
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self.gvalue_set = "g_value_set_uint"
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elif self.signature == "i":
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self.ctype_in_g = "gint "
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self.ctype_in = "gint "
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@ -144,6 +149,7 @@ class Arg:
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self.format_out = "i"
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self.gvariant_get = "g_variant_get_int32"
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self.gvalue_get = "g_value_get_int"
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self.gvalue_set = "g_value_set_int"
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elif self.signature == "u":
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self.ctype_in_g = "guint "
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self.ctype_in = "guint "
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@ -155,6 +161,7 @@ class Arg:
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self.format_out = "u"
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self.gvariant_get = "g_variant_get_uint32"
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self.gvalue_get = "g_value_get_uint"
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self.gvalue_set = "g_value_set_uint"
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elif self.signature == "x":
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self.ctype_in_g = "gint64 "
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self.ctype_in = "gint64 "
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@ -166,6 +173,7 @@ class Arg:
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self.format_out = "x"
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self.gvariant_get = "g_variant_get_int64"
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self.gvalue_get = "g_value_get_int64"
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self.gvalue_set = "g_value_set_int64"
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elif self.signature == "t":
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self.ctype_in_g = "guint64 "
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self.ctype_in = "guint64 "
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@ -177,6 +185,7 @@ class Arg:
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self.format_out = "t"
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self.gvariant_get = "g_variant_get_uint64"
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self.gvalue_get = "g_value_get_uint64"
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self.gvalue_set = "g_value_set_uint64"
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elif self.signature == "d":
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self.ctype_in_g = "gdouble "
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self.ctype_in = "gdouble "
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@ -188,6 +197,7 @@ class Arg:
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self.format_out = "d"
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self.gvariant_get = "g_variant_get_double"
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self.gvalue_get = "g_value_get_double"
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self.gvalue_set = "g_value_set_double"
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elif self.signature == "s":
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self.ctype_in_g = "const gchar *"
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self.ctype_in = "const gchar *"
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@ -200,6 +210,7 @@ class Arg:
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self.format_out = "s"
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self.gvariant_get = "g_variant_get_string"
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self.gvalue_get = "g_value_get_string"
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self.gvalue_set = "g_value_set_string"
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elif self.signature == "o":
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self.ctype_in_g = "const gchar *"
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self.ctype_in = "const gchar *"
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@ -212,6 +223,7 @@ class Arg:
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self.format_out = "o"
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self.gvariant_get = "g_variant_get_string"
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self.gvalue_get = "g_value_get_string"
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self.gvalue_set = "g_value_set_string"
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elif self.signature == "g":
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self.ctype_in_g = "const gchar *"
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self.ctype_in = "const gchar *"
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@ -224,6 +236,7 @@ class Arg:
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self.format_out = "g"
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self.gvariant_get = "g_variant_get_string"
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self.gvalue_get = "g_value_get_string"
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self.gvalue_set = "g_value_set_string"
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elif self.signature == "ay":
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self.ctype_in_g = "const gchar *"
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self.ctype_in = "const gchar *"
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@ -236,6 +249,7 @@ class Arg:
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self.format_out = "^ay"
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self.gvariant_get = "g_variant_get_bytestring"
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self.gvalue_get = "g_value_get_string"
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self.gvalue_set = "g_value_set_string"
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elif self.signature == "as":
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self.ctype_in_g = "const gchar *const *"
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self.ctype_in = "const gchar *const *"
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@ -248,6 +262,7 @@ class Arg:
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self.format_out = "^as"
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self.gvariant_get = "g_variant_get_strv"
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self.gvalue_get = "g_value_get_boxed"
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self.gvalue_set = "g_value_take_boxed"
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self.array_annotation = "(array zero-terminated=1)"
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elif self.signature == "ao":
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self.ctype_in_g = "const gchar *const *"
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@ -261,6 +276,7 @@ class Arg:
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self.format_out = "^ao"
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self.gvariant_get = "g_variant_get_objv"
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self.gvalue_get = "g_value_get_boxed"
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self.gvalue_set = "g_value_take_boxed"
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self.array_annotation = "(array zero-terminated=1)"
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elif self.signature == "aay":
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self.ctype_in_g = "const gchar *const *"
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@ -274,6 +290,7 @@ class Arg:
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self.format_out = "^aay"
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self.gvariant_get = "g_variant_get_bytestring_array"
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self.gvalue_get = "g_value_get_boxed"
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self.gvalue_set = "g_value_take_boxed"
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self.array_annotation = "(array zero-terminated=1)"
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for a in self.annotations:
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@ -336,6 +353,20 @@ class Method:
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if utils.lookup_annotation(self.annotations, "org.gtk.GDBus.C.UnixFD"):
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self.unix_fd = True
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self.marshaller_ret_arg = Arg("return", "b")
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self.marshaller_ret_arg.post_process(None, None, None, None, None)
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method_invocation_arg = Arg("method_invocation", None)
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method_invocation_arg.ctype_in = "GDBusMethodInvocation *"
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method_invocation_arg.gvalue_get = "g_value_get_object"
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self.marshaller_in_args = [method_invocation_arg] + self.in_args
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if self.unix_fd:
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fd_list_arg = Arg("fd_list", None)
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fd_list_arg.ctype_in = "GUnixFDList *"
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fd_list_arg.gvalue_get = "g_value_get_object"
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self.marshaller_in_args.insert(0, fd_list_arg)
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for a in self.annotations:
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a.post_process(interface_prefix, cns, cns_upper, cns_lower, self)
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@ -386,6 +417,9 @@ class Signal:
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):
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self.deprecated = True
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self.marshaller_ret_arg = None
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self.marshaller_in_args = self.args
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for a in self.annotations:
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a.post_process(interface_prefix, cns, cns_upper, cns_lower, self)
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@ -903,6 +903,247 @@ G_END_DECLS
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)
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index += 1
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@unittest.skipIf(on_win32(), "requires /dev/stdout")
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def test_generate_methods_marshaller_simple_method(self):
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"""Test that methods marshaller is generated for simple method"""
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interface_xml = """
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<node>
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<interface name="org.project.CallableIface">
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<method name="SimpleMethod"/>
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</interface>
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<interface name="org.project.OtherCallableIface">
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<method name="SimpleMethod"/>
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</interface>
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</node>"""
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result = self.runCodegenWithInterface(
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interface_xml, "--output", "/dev/stdout", "--body"
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)
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stripped_out = result.out.strip()
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self.assertFalse(result.err)
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self.assertIs(stripped_out.count("g_cclosure_marshal_generic"), 0)
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func_name = "org_project_callable_iface_method_marshal_simple_method"
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self.assertIs(stripped_out.count(f"{func_name},"), 1)
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self.assertIs(stripped_out.count(f"{func_name} ("), 1)
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func_name = "org_project_other_callable_iface_method_marshal_simple_method"
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self.assertIs(stripped_out.count(f"{func_name},"), 1)
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self.assertIs(stripped_out.count(f"{func_name} ("), 1)
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self.assertIs(stripped_out.count("g_value_get_object (param_values + 1)"), 2)
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self.assertIs(
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stripped_out.count("g_value_set_boolean (return_value, v_return);"), 2
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)
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@unittest.skipIf(on_win32(), "requires /dev/stdout")
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def test_generate_methods_marshaller_single_typed_in_args(self):
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"""Test that methods marshallers are generated for each known type"""
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for t, props in self.ARGUMENTS_TYPES.items():
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camel_type = t[0].upper() + t[1:]
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interface_xml = f"""
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<node>
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<interface name="org.project.UsefulInterface">
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<method name="SingleArgMethod{camel_type}">
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<arg name="arg_{t}" type="{props.get("variant_type", t)}"/>
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</method>
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</interface>
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</node>"""
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result = self.runCodegenWithInterface(
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interface_xml, "--output", "/dev/stdout", "--body"
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)
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stripped_out = result.out.strip()
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self.assertFalse(result.err)
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self.assertEqual(stripped_out.count("g_cclosure_marshal_generic"), 0)
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func_name = (
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f"org_project_useful_interface_method_marshal_single_arg_method_{t}"
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)
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self.assertIs(stripped_out.count(f"{func_name},"), 1)
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self.assertIs(stripped_out.count(f"{func_name} ("), 1)
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self.assertIs(
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stripped_out.count("g_value_get_object (param_values + 1)"), 1
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)
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self.assertIs(
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stripped_out.count("g_value_set_boolean (return_value, v_return);"), 1
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)
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self.assertIs(
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stripped_out.count(
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f"g_value_get_{props['value_type']} (param_values + 2)"
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),
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1,
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)
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@unittest.skipIf(on_win32(), "requires /dev/stdout")
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def test_generate_methods_marshaller_single_typed_out_args(self):
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"""Test that methods marshallers are generated for each known type"""
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for t, props in self.ARGUMENTS_TYPES.items():
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camel_type = t[0].upper() + t[1:]
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interface_xml = f"""
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<node>
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<interface name="org.project.UsefulInterface">
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<method name="SingleArgMethod{camel_type}">
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<arg name="arg_{t}" type="{props.get("variant_type", t)}" direction="out"/>
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</method>
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</interface>
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</node>"""
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result = self.runCodegenWithInterface(
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interface_xml, "--output", "/dev/stdout", "--body"
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)
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stripped_out = result.out.strip()
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self.assertFalse(result.err)
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self.assertEqual(stripped_out.count("g_cclosure_marshal_generic"), 0)
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func_name = (
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f"org_project_useful_interface_method_marshal_single_arg_method_{t}"
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)
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self.assertIs(stripped_out.count(f"{func_name},"), 1)
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self.assertIs(stripped_out.count(f"{func_name} ("), 1)
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self.assertIs(
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stripped_out.count("g_value_get_object (param_values + 1)"), 1
|
||||
)
|
||||
self.assertIs(
|
||||
stripped_out.count("g_value_set_boolean (return_value, v_return);"), 1
|
||||
)
|
||||
self.assertIs(stripped_out.count("(param_values + 2)"), 0)
|
||||
|
||||
@unittest.skipIf(on_win32(), "requires /dev/stdout")
|
||||
def test_generate_methods_marshallers_multiple_in_args(self):
|
||||
"""Test that methods marshallers are generated"""
|
||||
generated_args = [
|
||||
f"<arg name='an_{t}' type='{props.get('variant_type', t)}'/>\n"
|
||||
for t, props in self.ARGUMENTS_TYPES.items()
|
||||
]
|
||||
|
||||
interface_xml = f"""
|
||||
<node>
|
||||
<interface name="org.project.CallableIface">
|
||||
<method name="MethodWithManyArgs">
|
||||
{''.join(generated_args)}
|
||||
</method>
|
||||
</interface>
|
||||
</node>"""
|
||||
|
||||
result = self.runCodegenWithInterface(
|
||||
interface_xml, "--output", "/dev/stdout", "--body"
|
||||
)
|
||||
stripped_out = result.out.strip()
|
||||
self.assertFalse(result.err)
|
||||
self.assertIs(stripped_out.count("g_cclosure_marshal_generic"), 0)
|
||||
|
||||
func_name = f"org_project_callable_iface_method_marshal_method_with_many_args"
|
||||
self.assertIs(stripped_out.count(f"{func_name},"), 1)
|
||||
self.assertIs(stripped_out.count(f"{func_name} ("), 1)
|
||||
|
||||
# Check access to MultipleArgsMethod arguments
|
||||
index = 1
|
||||
self.assertIs(
|
||||
stripped_out.count(f"g_value_get_object (param_values + {index})"), 1
|
||||
)
|
||||
index += 1
|
||||
|
||||
for props in self.ARGUMENTS_TYPES.values():
|
||||
self.assertIs(
|
||||
stripped_out.count(
|
||||
f"g_value_get_{props['value_type']} (param_values + {index})"
|
||||
),
|
||||
1,
|
||||
)
|
||||
index += 1
|
||||
|
||||
self.assertIs(
|
||||
stripped_out.count("g_value_set_boolean (return_value, v_return);"), 1
|
||||
)
|
||||
|
||||
@unittest.skipIf(on_win32(), "requires /dev/stdout")
|
||||
def test_generate_methods_marshallers_multiple_out_args(self):
|
||||
"""Test that methods marshallers are generated"""
|
||||
generated_args = [
|
||||
f"<arg name='an_{t}' type='{props.get('variant_type', t)}' direction='out'/>\n"
|
||||
for t, props in self.ARGUMENTS_TYPES.items()
|
||||
]
|
||||
|
||||
interface_xml = f"""
|
||||
<node>
|
||||
<interface name="org.project.CallableIface">
|
||||
<method name="MethodWithManyArgs">
|
||||
{''.join(generated_args)}
|
||||
</method>
|
||||
</interface>
|
||||
</node>"""
|
||||
|
||||
result = self.runCodegenWithInterface(
|
||||
interface_xml, "--output", "/dev/stdout", "--body"
|
||||
)
|
||||
stripped_out = result.out.strip()
|
||||
self.assertFalse(result.err)
|
||||
self.assertIs(stripped_out.count("g_cclosure_marshal_generic"), 0)
|
||||
|
||||
func_name = f"org_project_callable_iface_method_marshal_method_with_many_args"
|
||||
self.assertIs(stripped_out.count(f"{func_name},"), 1)
|
||||
self.assertIs(stripped_out.count(f"{func_name} ("), 1)
|
||||
|
||||
# Check access to MultipleArgsMethod arguments
|
||||
index = 1
|
||||
self.assertIs(
|
||||
stripped_out.count(f"g_value_get_object (param_values + {index})"), 1
|
||||
)
|
||||
index += 1
|
||||
|
||||
for index in range(index, len(self.ARGUMENTS_TYPES)):
|
||||
self.assertIs(stripped_out.count(f"(param_values + {index})"), 0)
|
||||
|
||||
self.assertIs(
|
||||
stripped_out.count("g_value_set_boolean (return_value, v_return);"), 1
|
||||
)
|
||||
|
||||
@unittest.skipIf(on_win32(), "requires /dev/stdout")
|
||||
def test_generate_methods_marshallers_with_unix_fds(self):
|
||||
"""Test an interface with `h` arguments"""
|
||||
interface_xml = """
|
||||
<node>
|
||||
<interface name="test.FDPassing">
|
||||
<method name="HelloFD">
|
||||
<annotation name="org.gtk.GDBus.C.UnixFD" value="1"/>
|
||||
<arg name="greeting" direction="in" type="s"/>
|
||||
<arg name="response" direction="out" type="s"/>
|
||||
</method>
|
||||
</interface>
|
||||
</node>"""
|
||||
|
||||
result = self.runCodegenWithInterface(
|
||||
interface_xml, "--output", "/dev/stdout", "--body"
|
||||
)
|
||||
stripped_out = result.out.strip()
|
||||
self.assertFalse(result.err)
|
||||
self.assertIs(stripped_out.count("g_cclosure_marshal_generic"), 0)
|
||||
|
||||
func_name = f"test_fdpassing_method_marshal_hello_fd"
|
||||
self.assertIs(stripped_out.count(f"{func_name},"), 1)
|
||||
self.assertIs(stripped_out.count(f"{func_name} ("), 1)
|
||||
|
||||
index = 1
|
||||
self.assertIs(
|
||||
stripped_out.count(f"g_value_get_object (param_values + {index})"), 1
|
||||
)
|
||||
index += 1
|
||||
|
||||
self.assertIs(
|
||||
stripped_out.count(f"g_value_get_object (param_values + {index})"), 1
|
||||
)
|
||||
|
||||
index += 1
|
||||
self.assertIs(
|
||||
stripped_out.count(f"g_value_get_string (param_values + {index})"), 1
|
||||
)
|
||||
index += 1
|
||||
|
||||
self.assertIs(
|
||||
stripped_out.count("g_value_set_boolean (return_value, v_return);"), 1
|
||||
)
|
||||
|
||||
def test_generate_valid_docbook(self):
|
||||
"""Test the basic functionality of the docbook generator."""
|
||||
xml_contents = """
|
||||
|
||||
Loading…
Reference in New Issue
Block a user