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provide G_TYPE_FUNDAMENTAL_SHIFT and g_type_fundamental_next() to return

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Thu Nov 22 00:26:26 2001  Tim Janik  <timj@gtk.org>

        * gtype.[hc]: provide G_TYPE_FUNDAMENTAL_SHIFT and
        g_type_fundamental_next() to return next usable fundamental
        type. use TypeNode pointers as type IDs.
This commit is contained in:
Tim Janik
2001-11-21 23:48:19 +00:00
committed by Tim Janik
parent 2410616200
commit 0d14682569
6 changed files with 135 additions and 124 deletions
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3
docs/reference/gobject/gobject-sections.txt
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@@ -78,7 +78,8 @@ g_type_add_interface_dynamic
g_type_interface_add_prerequisite
g_type_get_plugin
g_type_interface_get_plugin
g_type_fundamental_last
g_type_fundamental_next
g_type_fundamental
g_type_create_instance
g_type_free_instance
g_type_add_class_cache_func

7
docs/reference/gobject/tmpl/gobject-unused.sgml
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@@ -195,6 +195,13 @@ macro.
@is_a_type:
@Returns:
<!-- ##### FUNCTION g_type_fundamental_last ##### -->
<para>
</para>
@Returns:
<!-- ##### FUNCTION g_type_instance_is_a ##### -->
<para>
Determines if @instance adheres to the interface exported

33
docs/reference/gobject/tmpl/gtype.sgml
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@@ -82,10 +82,7 @@ for types that are assigned at compile-time.
<!-- ##### MACRO G_TYPE_FUNDAMENTAL_LAST ##### -->
<para>
An integer that currently represents the highest value of all
fundamental type identifiers. This is of interest for dynamic
introduction of new fundamental types (a
<emphasis>rarely</emphasis> needed feature).
</para>
@@ -199,9 +196,11 @@ The predefined identifiers of the reserved fundamental types.
@G_TYPE_BOXED: Identifier for the "#GBoxed" type.
@G_TYPE_PARAM: Identifier for the "#GParam" type.
@G_TYPE_OBJECT: Identifier for the "#GObject" type.
@G_TYPE_RESERVED_GLIB_FIRST:
@G_TYPE_RESERVED_GLIB_LAST:
@G_TYPE_RESERVED_BSE_FIRST: First fundamental type ID reserved for BSE.
@G_TYPE_RESERVED_BSE_LAST: Last fundamental type ID reserved for BSE.
@G_TYPE_RESERVED_LAST_FUNDAMENTAL: Last reserved fundamental type ID.
@G_TYPE_RESERVED_USER_FIRST:
<!-- ##### STRUCT GTypeInterface ##### -->
<para>
@@ -1105,13 +1104,27 @@ Returns the the #GTypePlugin structure for @type or
@Returns:
<!-- ##### FUNCTION g_type_fundamental_last ##### -->
<!-- ##### FUNCTION g_type_fundamental_next ##### -->
<para>
Returns the last fundamental type which is registered plus one,
i.e. the next fundamental type ID that may be registered.
Returns the next free fundamental type id which can be used to
register a new fundamental type with g_type_register_fundamental().
The returned type ID represents the highest currently registered
fundamental type identifier.
</para>
@Returns: The nextmost not registered fundamental type ID.
@Returns: The nextmost fundamental type ID to be registered,
or 0 if the type system ran out of fundamental type IDs.
<!-- ##### FUNCTION g_type_fundamental ##### -->
<para>
Internal function, used to extract the fundamental type ID portion.
use G_TYPE_FUNDAMENTAL() instead.
</para>
@type_id: valid type ID
@Returns: fundamental type ID
<!-- ##### FUNCTION g_type_create_instance ##### -->
@@ -1119,7 +1132,7 @@ i.e. the next fundamental type ID that may be registered.
Creates and initializes an instance of @type if @type is valid and can
be instantiated. The type system only performs basic allocation and
structure setups for instances, actual instance creation should happen
through functions supplied by the types fundamental type implementation.
through functions supplied by the type's fundamental type implementation.
So use of g_type_create_instance() is reserved for implementators of
fundamental types only. E.g. instances of the #GObject hierarchy
should be created via g_object_new() and <emphasis>never</emphasis>