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/* valacodegeneratorclass.vala
*
* Copyright (C) 2006-2007 Jürg Billeter, Raffaele Sandrini
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author:
* Jürg Billeter <j@bitron.ch>
* Raffaele Sandrini <rasa@gmx.ch>
*/
using GLib;
public class Vala.CodeGenerator {
public override void visit_class (Class! cl) {
var old_symbol = current_symbol;
var old_type_symbol = current_type_symbol;
var old_class = current_class;
var old_instance_struct = instance_struct;
var old_type_struct = type_struct;
var old_instance_priv_struct = instance_priv_struct;
var old_prop_enum = prop_enum;
var old_class_init_fragment = class_init_fragment;
var old_instance_init_fragment = instance_init_fragment;
var old_instance_dispose_fragment = instance_dispose_fragment;
current_symbol = cl;
current_type_symbol = cl;
current_class = cl;
bool is_gobject = cl.is_subtype_of (gobject_type);
if (cl.get_cname().len () < 3) {
cl.error = true;
Report.error (cl.source_reference, "Class name `%s' is too short".printf (cl.get_cname ()));
return;
}
if (!cl.is_static) {
instance_struct = new CCodeStruct ("_%s".printf (cl.get_cname ()));
type_struct = new CCodeStruct ("_%sClass".printf (cl.get_cname ()));
instance_priv_struct = new CCodeStruct ("_%sPrivate".printf (cl.get_cname ()));
prop_enum = new CCodeEnum ();
prop_enum.add_value ("%s_DUMMY_PROPERTY".printf (cl.get_upper_case_cname (null)), null);
class_init_fragment = new CCodeFragment ();
instance_init_fragment = new CCodeFragment ();
instance_dispose_fragment = new CCodeFragment ();
}
CCodeFragment decl_frag;
CCodeFragment def_frag;
if (cl.access != SymbolAccessibility.PRIVATE) {
decl_frag = header_type_declaration;
def_frag = header_type_definition;
} else {
decl_frag = source_type_member_declaration;
def_frag = source_type_member_declaration;
}
var macro = "(%s_get_type ())".printf (cl.get_lower_case_cname (null));
if (is_gobject) {
decl_frag.append (new CCodeNewline ());
decl_frag.append (new CCodeMacroReplacement (cl.get_upper_case_cname ("TYPE_"), macro));
macro = "(G_TYPE_CHECK_INSTANCE_CAST ((obj), %s, %s))".printf (cl.get_upper_case_cname ("TYPE_"), cl.get_cname ());
decl_frag.append (new CCodeMacroReplacement ("%s(obj)".printf (cl.get_upper_case_cname (null)), macro));
macro = "(G_TYPE_CHECK_CLASS_CAST ((klass), %s, %sClass))".printf (cl.get_upper_case_cname ("TYPE_"), cl.get_cname ());
decl_frag.append (new CCodeMacroReplacement ("%s_CLASS(klass)".printf (cl.get_upper_case_cname (null)), macro));
macro = "(G_TYPE_CHECK_INSTANCE_TYPE ((obj), %s))".printf (cl.get_upper_case_cname ("TYPE_"));
decl_frag.append (new CCodeMacroReplacement ("%s(obj)".printf (cl.get_upper_case_cname ("IS_")), macro));
macro = "(G_TYPE_CHECK_CLASS_TYPE ((klass), %s))".printf (cl.get_upper_case_cname ("TYPE_"));
decl_frag.append (new CCodeMacroReplacement ("%s_CLASS(klass)".printf (cl.get_upper_case_cname ("IS_")), macro));
macro = "(G_TYPE_INSTANCE_GET_CLASS ((obj), %s, %sClass))".printf (cl.get_upper_case_cname ("TYPE_"), cl.get_cname ());
decl_frag.append (new CCodeMacroReplacement ("%s_GET_CLASS(obj)".printf (cl.get_upper_case_cname (null)), macro));
decl_frag.append (new CCodeNewline ());
}
if (!cl.is_static && cl.source_reference.file.cycle == null) {
decl_frag.append (new CCodeTypeDefinition ("struct %s".printf (instance_struct.name), new CCodeVariableDeclarator (cl.get_cname ())));
}
if (is_gobject) {
if (cl.source_reference.file.cycle == null) {
decl_frag.append (new CCodeTypeDefinition ("struct %s".printf (type_struct.name), new CCodeVariableDeclarator ("%sClass".printf (cl.get_cname ()))));
}
decl_frag.append (new CCodeTypeDefinition ("struct %s".printf (instance_priv_struct.name), new CCodeVariableDeclarator ("%sPrivate".printf (cl.get_cname ()))));
instance_struct.add_field (cl.base_class.get_cname (), "parent");
instance_struct.add_field ("%sPrivate *".printf (cl.get_cname ()), "priv");
type_struct.add_field ("%sClass".printf (cl.base_class.get_cname ()), "parent");
}
if (!cl.is_static) {
if (cl.source_reference.comment != null) {
def_frag.append (new CCodeComment (cl.source_reference.comment));
}
def_frag.append (instance_struct);
}
if (is_gobject) {
def_frag.append (type_struct);
/* only add the *Private struct if it is not empty, i.e. we actually have private data */
if (cl.has_private_fields || cl.get_type_parameters ().size > 0) {
source_type_member_declaration.append (instance_priv_struct);
macro = "(G_TYPE_INSTANCE_GET_PRIVATE ((o), %s, %sPrivate))".printf (cl.get_upper_case_cname ("TYPE_"), cl.get_cname ());
source_type_member_declaration.append (new CCodeMacroReplacement ("%s_GET_PRIVATE(o)".printf (cl.get_upper_case_cname (null)), macro));
}
source_type_member_declaration.append (prop_enum);
}
cl.accept_children (this);
if (is_gobject) {
if (class_has_readable_properties (cl) || cl.get_type_parameters ().size > 0) {
add_get_property_function (cl);
}
if (class_has_writable_properties (cl) || cl.get_type_parameters ().size > 0) {
add_set_property_function (cl);
}
add_class_init_function (cl);
foreach (TypeReference base_type in cl.get_base_types ()) {
if (base_type.data_type is Interface) {
add_interface_init_function (cl, (Interface) base_type.data_type);
}
}
add_instance_init_function (cl);
if ((memory_management && cl.get_fields ().size > 0) || cl.destructor != null) {
add_dispose_function (cl);
}
var type_fun = new ClassRegisterFunction (cl);
type_fun.init_from_type (in_plugin);
if (cl.access != SymbolAccessibility.PRIVATE) {
header_type_member_declaration.append (type_fun.get_declaration ());
} else {
source_type_member_declaration.append (type_fun.get_declaration ());
}
source_type_member_definition.append (type_fun.get_definition ());
if (in_plugin) {
// FIXME resolve potential dependency issues, i.e. base types have to be registered before derived types
var register_call = new CCodeFunctionCall (new CCodeIdentifier ("%s_register_type".printf (cl.get_lower_case_cname (null))));
register_call.add_argument (new CCodeIdentifier (module_init_param_name));
module_init_fragment.append (new CCodeExpressionStatement (register_call));
}
} else if (!cl.is_static) {
var function = new CCodeFunction (cl.get_lower_case_cprefix () + "free", "void");
if (cl.access == SymbolAccessibility.PRIVATE) {
function.modifiers = CCodeModifiers.STATIC;
}
function.add_parameter (new CCodeFormalParameter ("self", cl.get_cname () + "*"));
if (cl.access != SymbolAccessibility.PRIVATE) {
header_type_member_declaration.append (function.copy ());
} else {
source_type_member_declaration.append (function.copy ());
}
var cblock = new CCodeBlock ();
cblock.add_statement (instance_dispose_fragment);
var ccall = new CCodeFunctionCall (new CCodeIdentifier ("g_slice_free"));
ccall.add_argument (new CCodeIdentifier (cl.get_cname ()));
ccall.add_argument (new CCodeIdentifier ("self"));
cblock.add_statement (new CCodeExpressionStatement (ccall));
function.block = cblock;
source_type_member_definition.append (function);
}
current_type_symbol = old_type_symbol;
current_class = old_class;
instance_struct = old_instance_struct;
type_struct = old_type_struct;
instance_priv_struct = old_instance_priv_struct;
prop_enum = old_prop_enum;
class_init_fragment = old_class_init_fragment;
instance_init_fragment = old_instance_init_fragment;
instance_dispose_fragment = old_instance_dispose_fragment;
}
private void add_class_init_function (Class! cl) {
var class_init = new CCodeFunction ("%s_class_init".printf (cl.get_lower_case_cname (null)), "void");
class_init.add_parameter (new CCodeFormalParameter ("klass", "%sClass *".printf (cl.get_cname ())));
class_init.modifiers = CCodeModifiers.STATIC;
var init_block = new CCodeBlock ();
class_init.block = init_block;
CCodeFunctionCall ccall;
/* save pointer to parent class */
var parent_decl = new CCodeDeclaration ("gpointer");
var parent_var_decl = new CCodeVariableDeclarator ("%s_parent_class".printf (cl.get_lower_case_cname (null)));
parent_var_decl.initializer = new CCodeConstant ("NULL");
parent_decl.add_declarator (parent_var_decl);
parent_decl.modifiers = CCodeModifiers.STATIC;
source_type_member_declaration.append (parent_decl);
ccall = new CCodeFunctionCall (new CCodeIdentifier ("g_type_class_peek_parent"));
ccall.add_argument (new CCodeIdentifier ("klass"));
var parent_assignment = new CCodeAssignment (new CCodeIdentifier ("%s_parent_class".printf (cl.get_lower_case_cname (null))), ccall);
init_block.add_statement (new CCodeExpressionStatement (parent_assignment));
/* add struct for private fields */
if (cl.has_private_fields || cl.get_type_parameters ().size > 0) {
ccall = new CCodeFunctionCall (new CCodeIdentifier ("g_type_class_add_private"));
ccall.add_argument (new CCodeIdentifier ("klass"));
ccall.add_argument (new CCodeConstant ("sizeof (%sPrivate)".printf (cl.get_cname ())));
init_block.add_statement (new CCodeExpressionStatement (ccall));
}
/* set property handlers */
ccall = new CCodeFunctionCall (new CCodeIdentifier ("G_OBJECT_CLASS"));
ccall.add_argument (new CCodeIdentifier ("klass"));
if (class_has_readable_properties (cl) || cl.get_type_parameters ().size > 0) {
init_block.add_statement (new CCodeExpressionStatement (new CCodeAssignment (new CCodeMemberAccess.pointer (ccall, "get_property"), new CCodeIdentifier ("%s_get_property".printf (cl.get_lower_case_cname (null))))));
}
if (class_has_writable_properties (cl) || cl.get_type_parameters ().size > 0) {
init_block.add_statement (new CCodeExpressionStatement (new CCodeAssignment (new CCodeMemberAccess.pointer (ccall, "set_property"), new CCodeIdentifier ("%s_set_property".printf (cl.get_lower_case_cname (null))))));
}
/* set constructor */
if (cl.constructor != null) {
var ccast = new CCodeFunctionCall (new CCodeIdentifier ("G_OBJECT_CLASS"));
ccast.add_argument (new CCodeIdentifier ("klass"));
init_block.add_statement (new CCodeExpressionStatement (new CCodeAssignment (new CCodeMemberAccess.pointer (ccast, "constructor"), new CCodeIdentifier ("%s_constructor".printf (cl.get_lower_case_cname (null))))));
}
/* set dispose function */
if (memory_management && cl.get_fields ().size > 0) {
var ccast = new CCodeFunctionCall (new CCodeIdentifier ("G_OBJECT_CLASS"));
ccast.add_argument (new CCodeIdentifier ("klass"));
init_block.add_statement (new CCodeExpressionStatement (new CCodeAssignment (new CCodeMemberAccess.pointer (ccast, "dispose"), new CCodeIdentifier ("%s_dispose".printf (cl.get_lower_case_cname (null))))));
}
/* connect overridden methods */
foreach (Method m in cl.get_methods ()) {
if (m.base_method == null) {
continue;
}
var base_type = m.base_method.parent_symbol;
var ccast = new CCodeFunctionCall (new CCodeIdentifier ("%s_CLASS".printf (((Class) base_type).get_upper_case_cname (null))));
ccast.add_argument (new CCodeIdentifier ("klass"));
init_block.add_statement (new CCodeExpressionStatement (new CCodeAssignment (new CCodeMemberAccess.pointer (ccast, m.base_method.vfunc_name), new CCodeIdentifier (m.get_real_cname ()))));
}
/* create dup_func and destroy_func properties for generic types */
foreach (TypeParameter type_param in cl.get_type_parameters ()) {
string func_name, enum_value;
CCodeConstant func_name_constant;
CCodeFunctionCall cinst, cspec;
func_name = "%s_dup_func".printf (type_param.name.down ());
func_name_constant = new CCodeConstant ("\"%s-dup-func\"".printf (type_param.name.down ()));
enum_value = "%s_%s".printf (cl.get_lower_case_cname (null), func_name).up ();
cinst = new CCodeFunctionCall (new CCodeIdentifier ("g_object_class_install_property"));
cinst.add_argument (ccall);
cinst.add_argument (new CCodeConstant (enum_value));
cspec = new CCodeFunctionCall (new CCodeIdentifier ("g_param_spec_pointer"));
cspec.add_argument (func_name_constant);
cspec.add_argument (new CCodeConstant ("\"dup func\""));
cspec.add_argument (new CCodeConstant ("\"dup func\""));
cspec.add_argument (new CCodeConstant ("G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_WRITABLE"));
cinst.add_argument (cspec);
init_block.add_statement (new CCodeExpressionStatement (cinst));
prop_enum.add_value (enum_value, null);
instance_priv_struct.add_field ("GBoxedCopyFunc", func_name);
func_name = "%s_destroy_func".printf (type_param.name.down ());
func_name_constant = new CCodeConstant ("\"%s-destroy-func\"".printf (type_param.name.down ()));
enum_value = "%s_%s".printf (cl.get_lower_case_cname (null), func_name).up ();
cinst = new CCodeFunctionCall (new CCodeIdentifier ("g_object_class_install_property"));
cinst.add_argument (ccall);
cinst.add_argument (new CCodeConstant (enum_value));
cspec = new CCodeFunctionCall (new CCodeIdentifier ("g_param_spec_pointer"));
cspec.add_argument (func_name_constant);
cspec.add_argument (new CCodeConstant ("\"destroy func\""));
cspec.add_argument (new CCodeConstant ("\"destroy func\""));
cspec.add_argument (new CCodeConstant ("G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_WRITABLE"));
cinst.add_argument (cspec);
init_block.add_statement (new CCodeExpressionStatement (cinst));
prop_enum.add_value (enum_value, null);
instance_priv_struct.add_field ("GDestroyNotify", func_name);
}
/* create properties */
var props = cl.get_properties ();
foreach (Property prop in props) {
if (prop.overrides || prop.base_interface_property != null) {
var cinst = new CCodeFunctionCall (new CCodeIdentifier ("g_object_class_override_property"));
cinst.add_argument (ccall);
cinst.add_argument (new CCodeConstant (prop.get_upper_case_cname ()));
cinst.add_argument (prop.get_canonical_cconstant ());
init_block.add_statement (new CCodeExpressionStatement (cinst));
} else {
var cinst = new CCodeFunctionCall (new CCodeIdentifier ("g_object_class_install_property"));
cinst.add_argument (ccall);
cinst.add_argument (new CCodeConstant (prop.get_upper_case_cname ()));
cinst.add_argument (get_param_spec (prop));
init_block.add_statement (new CCodeExpressionStatement (cinst));
}
}
/* create signals */
foreach (Signal sig in cl.get_signals ()) {
init_block.add_statement (new CCodeExpressionStatement (get_signal_creation (sig, cl)));
}
init_block.add_statement (class_init_fragment);
source_type_member_definition.append (class_init);
}
private void add_interface_init_function (Class! cl, Interface! iface) {
var iface_init = new CCodeFunction ("%s_%s_interface_init".printf (cl.get_lower_case_cname (null), iface.get_lower_case_cname (null)), "void");
iface_init.add_parameter (new CCodeFormalParameter ("iface", "%s *".printf (iface.get_type_cname ())));
iface_init.modifiers = CCodeModifiers.STATIC;
var init_block = new CCodeBlock ();
iface_init.block = init_block;
CCodeFunctionCall ccall;
/* save pointer to parent vtable */
string parent_iface_var = "%s_%s_parent_iface".printf (cl.get_lower_case_cname (null), iface.get_lower_case_cname (null));
var parent_decl = new CCodeDeclaration (iface.get_type_cname () + "*");
var parent_var_decl = new CCodeVariableDeclarator (parent_iface_var);
parent_var_decl.initializer = new CCodeConstant ("NULL");
parent_decl.add_declarator (parent_var_decl);
parent_decl.modifiers = CCodeModifiers.STATIC;
source_type_member_declaration.append (parent_decl);
ccall = new CCodeFunctionCall (new CCodeIdentifier ("g_type_interface_peek_parent"));
ccall.add_argument (new CCodeIdentifier ("iface"));
var parent_assignment = new CCodeAssignment (new CCodeIdentifier (parent_iface_var), ccall);
init_block.add_statement (new CCodeExpressionStatement (parent_assignment));
foreach (Method m in cl.get_methods ()) {
if (m.base_interface_method == null) {
continue;
}
var base_type = m.base_interface_method.parent_symbol;
if (base_type != iface) {
continue;
}
var ciface = new CCodeIdentifier ("iface");
init_block.add_statement (new CCodeExpressionStatement (new CCodeAssignment (new CCodeMemberAccess.pointer (ciface, m.base_interface_method.vfunc_name), new CCodeIdentifier (m.get_real_cname ()))));
}
source_type_member_definition.append (iface_init);
}
private void add_instance_init_function (Class! cl) {
var instance_init = new CCodeFunction ("%s_init".printf (cl.get_lower_case_cname (null)), "void");
instance_init.add_parameter (new CCodeFormalParameter ("self", "%s *".printf (cl.get_cname ())));
instance_init.modifiers = CCodeModifiers.STATIC;
var init_block = new CCodeBlock ();
instance_init.block = init_block;
if (cl.has_private_fields || cl.get_type_parameters ().size > 0) {
var ccall = new CCodeFunctionCall (new CCodeIdentifier ("%s_GET_PRIVATE".printf (cl.get_upper_case_cname (null))));
ccall.add_argument (new CCodeIdentifier ("self"));
init_block.add_statement (new CCodeExpressionStatement (new CCodeAssignment (new CCodeMemberAccess.pointer (new CCodeIdentifier ("self"), "priv"), ccall)));
}
init_block.add_statement (instance_init_fragment);
var init_sym = cl.scope.lookup ("init");
if (init_sym != null) {
var init_fun = (Method) init_sym;
init_block.add_statement (init_fun.body.ccodenode);
}
source_type_member_definition.append (instance_init);
}
private void add_dispose_function (Class! cl) {
function = new CCodeFunction ("%s_dispose".printf (cl.get_lower_case_cname (null)), "void");
function.modifiers = CCodeModifiers.STATIC;
function.add_parameter (new CCodeFormalParameter ("obj", "GObject *"));
source_type_member_declaration.append (function.copy ());
var cblock = new CCodeBlock ();
CCodeFunctionCall ccall = new InstanceCast (new CCodeIdentifier ("obj"), cl);
var cdecl = new CCodeDeclaration ("%s *".printf (cl.get_cname ()));
cdecl.add_declarator (new CCodeVariableDeclarator.with_initializer ("self", ccall));
cblock.add_statement (cdecl);
if (cl.destructor != null) {
cblock.add_statement ((CCodeBlock) cl.destructor.body.ccodenode);
}
cblock.add_statement (instance_dispose_fragment);
// chain up to dispose function of the base class
var ccast = new CCodeFunctionCall (new CCodeIdentifier ("G_OBJECT_CLASS"));
ccast.add_argument (new CCodeIdentifier ("%s_parent_class".printf (cl.get_lower_case_cname (null))));
ccall = new CCodeFunctionCall (new CCodeMemberAccess.pointer (ccast, "dispose"));
ccall.add_argument (new CCodeIdentifier ("obj"));
cblock.add_statement (new CCodeExpressionStatement (ccall));
function.block = cblock;
source_type_member_definition.append (function);
}
private CCodeIdentifier! get_value_setter_function (TypeReference! type_reference) {
if (type_reference.data_type != null) {
return new CCodeIdentifier (type_reference.data_type.get_set_value_function ());
} else {
return new CCodeIdentifier ("g_value_set_pointer");
}
}
private bool class_has_readable_properties (Class! cl) {
foreach (Property prop in cl.get_properties ()) {
if (prop.get_accessor != null && !prop.is_abstract) {
return true;
}
}
return false;
}
private bool class_has_writable_properties (Class! cl) {
foreach (Property prop in cl.get_properties ()) {
if (prop.set_accessor != null && !prop.is_abstract) {
return true;
}
}
return false;
}
private void add_get_property_function (Class! cl) {
var get_prop = new CCodeFunction ("%s_get_property".printf (cl.get_lower_case_cname (null)), "void");
get_prop.modifiers = CCodeModifiers.STATIC;
get_prop.add_parameter (new CCodeFormalParameter ("object", "GObject *"));
get_prop.add_parameter (new CCodeFormalParameter ("property_id", "guint"));
get_prop.add_parameter (new CCodeFormalParameter ("value", "GValue *"));
get_prop.add_parameter (new CCodeFormalParameter ("pspec", "GParamSpec *"));
var block = new CCodeBlock ();
var ccall = new InstanceCast (new CCodeIdentifier ("object"), cl);
var cdecl = new CCodeDeclaration ("%s *".printf (cl.get_cname ()));
cdecl.add_declarator (new CCodeVariableDeclarator.with_initializer ("self", ccall));
block.add_statement (cdecl);
var cswitch = new CCodeSwitchStatement (new CCodeIdentifier ("property_id"));
var props = cl.get_properties ();
foreach (Property prop in props) {
if (prop.get_accessor == null || prop.is_abstract) {
continue;
}
bool is_virtual = prop.base_property != null || prop.base_interface_property != null;
string prefix = cl.get_lower_case_cname (null);
if (is_virtual) {
prefix += "_real";
}
var ccase = new CCodeCaseStatement (new CCodeIdentifier (prop.get_upper_case_cname ()));
var ccall = new CCodeFunctionCall (new CCodeIdentifier ("%s_get_%s".printf (prefix, prop.name)));
ccall.add_argument (new CCodeIdentifier ("self"));
var csetcall = new CCodeFunctionCall ();
csetcall.call = get_value_setter_function (prop.type_reference);
csetcall.add_argument (new CCodeIdentifier ("value"));
csetcall.add_argument (ccall);
ccase.add_statement (new CCodeExpressionStatement (csetcall));
ccase.add_statement (new CCodeBreakStatement ());
cswitch.add_case (ccase);
}
cswitch.add_default_statement (get_invalid_property_id_warn_statement ());
cswitch.add_default_statement (new CCodeBreakStatement ());
block.add_statement (cswitch);
get_prop.block = block;
source_type_member_definition.append (get_prop);
}
private void add_set_property_function (Class! cl) {
var set_prop = new CCodeFunction ("%s_set_property".printf (cl.get_lower_case_cname (null)), "void");
set_prop.modifiers = CCodeModifiers.STATIC;
set_prop.add_parameter (new CCodeFormalParameter ("object", "GObject *"));
set_prop.add_parameter (new CCodeFormalParameter ("property_id", "guint"));
set_prop.add_parameter (new CCodeFormalParameter ("value", "const GValue *"));
set_prop.add_parameter (new CCodeFormalParameter ("pspec", "GParamSpec *"));
var block = new CCodeBlock ();
var ccall = new InstanceCast (new CCodeIdentifier ("object"), cl);
var cdecl = new CCodeDeclaration ("%s *".printf (cl.get_cname ()));
cdecl.add_declarator (new CCodeVariableDeclarator.with_initializer ("self", ccall));
block.add_statement (cdecl);
var cswitch = new CCodeSwitchStatement (new CCodeIdentifier ("property_id"));
var props = cl.get_properties ();
foreach (Property prop in props) {
if (prop.set_accessor == null || prop.is_abstract) {
continue;
}
bool is_virtual = prop.base_property != null || prop.base_interface_property != null;
string prefix = cl.get_lower_case_cname (null);
if (is_virtual) {
prefix += "_real";
}
var ccase = new CCodeCaseStatement (new CCodeIdentifier (prop.get_upper_case_cname ()));
var ccall = new CCodeFunctionCall (new CCodeIdentifier ("%s_set_%s".printf (prefix, prop.name)));
ccall.add_argument (new CCodeIdentifier ("self"));
var cgetcall = new CCodeFunctionCall ();
if (prop.type_reference.data_type != null) {
cgetcall.call = new CCodeIdentifier (prop.type_reference.data_type.get_get_value_function ());
} else {
cgetcall.call = new CCodeIdentifier ("g_value_get_pointer");
}
cgetcall.add_argument (new CCodeIdentifier ("value"));
ccall.add_argument (cgetcall);
ccase.add_statement (new CCodeExpressionStatement (ccall));
ccase.add_statement (new CCodeBreakStatement ());
cswitch.add_case (ccase);
}
cswitch.add_default_statement (get_invalid_property_id_warn_statement ());
cswitch.add_default_statement (new CCodeBreakStatement ());
block.add_statement (cswitch);
/* destroy func properties for generic types */
foreach (TypeParameter type_param in cl.get_type_parameters ()) {
string func_name = "%s_destroy_func".printf (type_param.name.down ());
string enum_value = "%s_%s".printf (cl.get_lower_case_cname (null), func_name).up ();
var ccase = new CCodeCaseStatement (new CCodeIdentifier (enum_value));
var cfield = new CCodeMemberAccess.pointer (new CCodeMemberAccess.pointer (new CCodeIdentifier ("self"), "priv"), func_name);
var cgetcall = new CCodeFunctionCall (new CCodeIdentifier ("g_value_get_pointer"));
cgetcall.add_argument (new CCodeIdentifier ("value"));
ccase.add_statement (new CCodeExpressionStatement (new CCodeAssignment (cfield, cgetcall)));
ccase.add_statement (new CCodeBreakStatement ());
cswitch.add_case (ccase);
}
set_prop.block = block;
source_type_member_definition.append (set_prop);
}
private CCodeStatement get_invalid_property_id_warn_statement () {
// warn on invalid property id
var cwarn = new CCodeFunctionCall (new CCodeIdentifier ("G_OBJECT_WARN_INVALID_PROPERTY_ID"));
cwarn.add_argument (new CCodeIdentifier ("object"));
cwarn.add_argument (new CCodeIdentifier ("property_id"));
cwarn.add_argument (new CCodeIdentifier ("pspec"));
return new CCodeExpressionStatement (cwarn);
}
}
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