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6cb96533b9
Include the size and alignment of structures and unions in the typelib, and add getter methods to retrieve them from GIStructInfo/GIUnionInfo. * docs/typelib-format.txt girepository/gtypelib.h girepository/girnode.c girepository/girmodule.c girepository/gtypelib.c: Add size and alignment to StructBlob and UnionBlob. * girepository/ginfo.c girepository/girepository.h: Add g_[struct|union]_get[size|alignment](). * test/offsets/gen-gitestoffsets: Test overall structure size and alignment. svn path=/trunk/; revision=930
539 lines
10 KiB
C
539 lines
10 KiB
C
/* GObject introspection: struct definitions for the binary
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* typelib format, validation
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*
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* Copyright (C) 2005 Matthias Clasen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __G_TYPELIB_H__
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#define __G_TYPELIB_H__
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#include <gmodule.h>
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#include "girepository.h"
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G_BEGIN_DECLS
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#define G_IR_MAGIC "GOBJ\nMETADATA\r\n\032"
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enum
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{
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BLOB_TYPE_INVALID,
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BLOB_TYPE_FUNCTION,
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BLOB_TYPE_CALLBACK,
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BLOB_TYPE_STRUCT,
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BLOB_TYPE_BOXED,
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BLOB_TYPE_ENUM,
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BLOB_TYPE_FLAGS,
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BLOB_TYPE_OBJECT,
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BLOB_TYPE_INTERFACE,
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BLOB_TYPE_CONSTANT,
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BLOB_TYPE_ERROR_DOMAIN,
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BLOB_TYPE_UNION
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};
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#define BLOB_IS_REGISTERED_TYPE(blob) \
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((blob)->blob_type == BLOB_TYPE_STRUCT || \
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(blob)->blob_type == BLOB_TYPE_UNION || \
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(blob)->blob_type == BLOB_TYPE_ENUM || \
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(blob)->blob_type == BLOB_TYPE_OBJECT || \
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(blob)->blob_type == BLOB_TYPE_INTERFACE)
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typedef struct
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{
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gchar magic[16];
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guint8 major_version;
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guint8 minor_version;
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guint16 reserved;
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guint16 n_entries;
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guint16 n_local_entries;
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guint32 directory;
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guint32 n_annotations;
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guint32 annotations;
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guint32 dependencies;
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guint32 size;
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guint32 namespace;
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guint32 nsversion;
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guint32 shared_library;
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guint16 entry_blob_size;
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guint16 function_blob_size;
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guint16 callback_blob_size;
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guint16 signal_blob_size;
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guint16 vfunc_blob_size;
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guint16 arg_blob_size;
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guint16 property_blob_size;
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guint16 field_blob_size;
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guint16 value_blob_size;
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guint16 annotation_blob_size;
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guint16 constant_blob_size;
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guint16 error_domain_blob_size;
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guint16 signature_blob_size;
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guint16 enum_blob_size;
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guint16 struct_blob_size;
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guint16 object_blob_size;
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guint16 interface_blob_size;
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guint16 union_blob_size;
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guint16 padding[7];
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} Header;
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typedef struct
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{
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guint16 blob_type;
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guint16 local : 1;
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guint16 reserved :15;
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guint32 name;
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guint32 offset;
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} DirEntry;
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typedef union
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{
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struct
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{
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guint reserved : 8;
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guint reserved2 :16;
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guint pointer : 1;
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guint reserved3 : 2;
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guint tag : 5;
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};
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guint32 offset;
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} SimpleTypeBlob;
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typedef struct
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{
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guint32 name;
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guint in : 1;
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guint out : 1;
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guint dipper : 1;
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guint allow_none : 1;
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guint optional : 1;
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guint transfer_ownership : 1;
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guint transfer_container_ownership : 1;
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guint return_value : 1;
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guint reserved :24;
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SimpleTypeBlob arg_type;
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} ArgBlob;
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typedef struct
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{
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SimpleTypeBlob return_type;
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guint16 may_return_null : 1;
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guint16 caller_owns_return_value : 1;
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guint16 caller_owns_return_container : 1;
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guint16 reserved :13;
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guint16 n_arguments;
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ArgBlob arguments[];
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} SignatureBlob;
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typedef struct
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{
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guint16 blob_type; /* 1 */
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guint16 deprecated : 1;
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guint16 reserved :15;
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guint32 name;
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} CommonBlob;
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typedef struct
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{
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guint16 blob_type; /* 1 */
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guint16 deprecated : 1;
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guint16 setter : 1;
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guint16 getter : 1;
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guint16 constructor : 1;
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guint16 wraps_vfunc : 1;
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guint16 throws : 1;
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guint16 index :10;
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guint32 name;
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guint32 symbol;
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guint32 signature;
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} FunctionBlob;
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typedef struct
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{
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guint16 blob_type; /* 2 */
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guint16 deprecated : 1;
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guint16 reserved :15;
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guint32 name;
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guint32 signature;
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} CallbackBlob;
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typedef struct
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{
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guint8 pointer :1;
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guint8 reserved :2;
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guint8 tag :5;
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guint8 reserved2;
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guint16 interface;
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} InterfaceTypeBlob;
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typedef struct
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{
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guint16 pointer :1;
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guint16 reserved :2;
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guint16 tag :5;
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guint16 zero_terminated :1;
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guint16 has_length :1;
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guint16 has_size :1;
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guint16 reserved2 :5;
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union {
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guint16 length;
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guint16 size;
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};
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SimpleTypeBlob type;
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} ArrayTypeBlob;
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typedef struct
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{
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guint8 pointer :1;
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guint8 reserved :2;
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guint8 tag :5;
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guint8 reserved2;
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guint16 n_types;
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SimpleTypeBlob type[];
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} ParamTypeBlob;
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typedef struct
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{
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guint8 pointer :1;
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guint8 reserved :2;
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guint8 tag :5;
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guint8 reserved2;
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guint16 n_domains;
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guint16 domains[];
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} ErrorTypeBlob;
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typedef struct
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{
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guint16 blob_type; /* 10 */
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guint16 deprecated : 1;
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guint16 reserved :15;
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guint32 name;
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guint32 get_quark;
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guint16 error_codes;
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guint16 reserved2;
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} ErrorDomainBlob;
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typedef struct
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{
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guint32 deprecated : 1;
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guint32 reserved :31;
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guint32 name;
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guint32 value;
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} ValueBlob;
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typedef struct
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{
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guint32 name;
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guint8 readable :1;
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guint8 writable :1;
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guint8 reserved :6;
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guint8 bits;
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guint16 struct_offset;
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SimpleTypeBlob type;
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} FieldBlob;
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typedef struct
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{
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guint16 blob_type;
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guint16 deprecated : 1;
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guint16 unregistered : 1;
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guint16 reserved :14;
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guint32 name;
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guint32 gtype_name;
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guint32 gtype_init;
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} RegisteredTypeBlob;
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typedef struct
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{
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guint16 blob_type;
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guint16 deprecated : 1;
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guint16 unregistered : 1;
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guint16 alignment : 6;
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guint16 reserved : 8;
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guint32 name;
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guint32 gtype_name;
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guint32 gtype_init;
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guint32 size;
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guint16 n_fields;
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guint16 n_methods;
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#if 0
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/* variable-length parts of the blob */
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FieldBlob fields[];
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FunctionBlob methods[];
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#endif
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} StructBlob;
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typedef struct
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{
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guint16 blob_type;
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guint16 deprecated : 1;
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guint16 unregistered : 1;
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guint16 discriminated : 1;
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guint16 alignment : 6;
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guint16 reserved : 7;
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guint32 name;
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guint32 gtype_name;
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guint32 gtype_init;
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guint32 size;
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guint16 n_fields;
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guint16 n_functions;
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gint32 discriminator_offset;
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SimpleTypeBlob discriminator_type;
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#if 0
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FieldBlob fields[];
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FunctionBlob functions[];
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ConstantBlob discriminator_values[]
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#endif
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} UnionBlob;
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typedef struct
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{
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guint16 blob_type;
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guint16 deprecated : 1;
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guint16 unregistered : 1;
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guint16 reserved :14;
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guint32 name;
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guint32 gtype_name;
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guint32 gtype_init;
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guint16 n_values;
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guint16 reserved2;
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ValueBlob values[];
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} EnumBlob;
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typedef struct
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{
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guint32 name;
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guint32 deprecated : 1;
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guint32 readable : 1;
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guint32 writable : 1;
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guint32 construct : 1;
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guint32 construct_only : 1;
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guint32 reserved :27;
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SimpleTypeBlob type;
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} PropertyBlob;
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typedef struct
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{
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guint16 deprecated : 1;
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guint16 run_first : 1;
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guint16 run_last : 1;
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guint16 run_cleanup : 1;
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guint16 no_recurse : 1;
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guint16 detailed : 1;
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guint16 action : 1;
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guint16 no_hooks : 1;
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guint16 has_class_closure : 1;
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guint16 true_stops_emit : 1;
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guint16 reserved : 6;
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guint16 class_closure;
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guint32 name;
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guint32 signature;
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} SignalBlob;
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typedef struct
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{
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guint32 name;
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guint16 must_chain_up : 1;
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guint16 must_be_implemented : 1;
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guint16 must_not_be_implemented : 1;
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guint16 class_closure : 1;
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guint16 reserved :12;
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guint16 signal;
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guint16 struct_offset;
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guint16 reserved2;
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guint32 signature;
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} VFuncBlob;
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typedef struct
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{
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guint16 blob_type; /* 7 */
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guint16 deprecated : 1;
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guint16 abstract : 1;
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guint16 reserved :14;
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guint32 name;
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guint32 gtype_name;
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guint32 gtype_init;
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guint16 parent;
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guint16 n_interfaces;
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guint16 n_fields;
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guint16 n_properties;
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guint16 n_methods;
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guint16 n_signals;
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guint16 n_vfuncs;
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guint16 n_constants;
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guint16 interfaces[];
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#if 0
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/* variable-length parts of the blob */
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FieldBlob fields[];
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PropertyBlob properties[];
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FunctionBlob methods[];
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SignalBlob signals[];
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VFuncBlob vfuncs[];
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ConstantBlob constants[];
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#endif
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} ObjectBlob;
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typedef struct
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{
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guint16 blob_type;
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guint16 deprecated : 1;
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guint16 reserved :15;
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guint32 name;
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guint32 gtype_name;
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guint32 gtype_init;
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guint16 n_prerequisites;
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guint16 n_properties;
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guint16 n_methods;
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guint16 n_signals;
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guint16 n_vfuncs;
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guint16 n_constants;
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guint16 prerequisites[];
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#if 0
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/* variable-length parts of the blob */
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PropertyBlob properties[];
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FunctionBlob methods[];
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SignalBlob signals[];
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VFuncBlob vfuncs[];
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ConstantBlob constants[];
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#endif
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} InterfaceBlob;
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typedef struct
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{
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guint16 blob_type;
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guint16 deprecated : 1;
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guint16 reserved :15;
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guint32 name;
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SimpleTypeBlob type;
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guint32 size;
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guint32 offset;
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} ConstantBlob;
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typedef struct
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{
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guint32 offset;
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guint32 name;
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guint32 value;
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} AnnotationBlob;
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struct _GTypelib {
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guchar *data;
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gsize len;
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gboolean owns_memory;
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GMappedFile *mfile;
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GList *modules;
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};
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DirEntry *g_typelib_get_dir_entry (GTypelib *typelib,
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guint16 index);
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void g_typelib_check_sanity (void);
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#define g_typelib_get_string(typelib,offset) ((const gchar*)&(typelib->data)[(offset)])
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typedef enum
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{
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G_TYPELIB_ERROR_INVALID,
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G_TYPELIB_ERROR_INVALID_HEADER,
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G_TYPELIB_ERROR_INVALID_DIRECTORY,
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G_TYPELIB_ERROR_INVALID_ENTRY,
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G_TYPELIB_ERROR_INVALID_BLOB
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} GTypelibError;
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#define G_TYPELIB_ERROR (g_typelib_error_quark ())
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GQuark g_typelib_error_quark (void);
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gboolean g_typelib_validate (GTypelib *typelib,
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GError **error);
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G_END_DECLS
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#endif /* __G_TYPELIB_H__ */
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