4 * BabelTrace - Sequence Type Converter
6 * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
19 #include <babeltrace/compiler.h>
20 #include <babeltrace/format.h>
23 #define max(a, b) ((a) < (b) ? (b) : (a))
27 struct definition
*_sequence_definition_new(struct declaration
*declaration
,
28 struct definition_scope
*parent_scope
);
30 void _sequence_definition_free(struct definition
*definition
);
32 void sequence_copy(struct stream_pos
*dest
, const struct format
*fdest
,
33 struct stream_pos
*src
, const struct format
*fsrc
,
34 struct definition
*definition
)
36 struct definition_sequence
*sequence
=
37 container_of(definition
, struct definition_sequence
, p
);
38 struct declaration_sequence
*sequence_declaration
= sequence
->declaration
;
41 fsrc
->sequence_begin(src
, sequence_declaration
);
42 fdest
->sequence_begin(dest
, sequence_declaration
);
44 sequence
->len
->p
.declaration
->copy(dest
, fdest
, src
, fsrc
,
47 for (i
= 0; i
< sequence
->len
->value
._unsigned
; i
++) {
48 struct definition
*elem
=
49 sequence
->current_element
.definition
;
50 elem
->declaration
->copy(dest
, fdest
, src
, fsrc
, elem
);
52 fsrc
->sequence_end(src
, sequence_declaration
);
53 fdest
->sequence_end(dest
, sequence_declaration
);
57 void _sequence_declaration_free(struct declaration
*declaration
)
59 struct declaration_sequence
*sequence_declaration
=
60 container_of(declaration
, struct declaration_sequence
, p
);
62 free_declaration_scope(sequence_declaration
->scope
);
63 declaration_unref(&sequence_declaration
->len_declaration
->p
);
64 declaration_unref(sequence_declaration
->elem
);
65 g_free(sequence_declaration
);
68 struct declaration_sequence
*
69 sequence_declaration_new(const char *name
, struct declaration_integer
*len_declaration
,
70 struct declaration
*elem_declaration
,
71 struct declaration_scope
*parent_scope
)
73 struct declaration_sequence
*sequence_declaration
;
74 struct declaration
*declaration
;
76 sequence_declaration
= g_new(struct declaration_sequence
, 1);
77 declaration
= &sequence_declaration
->p
;
78 assert(!len_declaration
->signedness
);
79 declaration_ref(&len_declaration
->p
);
80 sequence_declaration
->len_declaration
= len_declaration
;
81 declaration_ref(elem_declaration
);
82 sequence_declaration
->elem
= elem_declaration
;
83 sequence_declaration
->scope
= new_declaration_scope(parent_scope
);
84 declaration
->id
= CTF_TYPE_SEQUENCE
;
85 declaration
->name
= g_quark_from_string(name
);
86 declaration
->alignment
= max(len_declaration
->p
.alignment
, elem_declaration
->alignment
);
87 declaration
->copy
= sequence_copy
;
88 declaration
->declaration_free
= _sequence_declaration_free
;
89 declaration
->definition_new
= _sequence_definition_new
;
90 declaration
->definition_free
= _sequence_definition_free
;
92 return sequence_declaration
;
96 struct definition
*_sequence_definition_new(struct declaration
*declaration
,
97 struct definition_scope
*parent_scope
)
99 struct declaration_sequence
*sequence_declaration
=
100 container_of(declaration
, struct declaration_sequence
, p
);
101 struct definition_sequence
*sequence
;
102 struct definition
*len_parent
;
104 sequence
= g_new(struct definition_sequence
, 1);
105 declaration_ref(&sequence_declaration
->p
);
106 sequence
->p
.declaration
= declaration
;
107 sequence
->declaration
= sequence_declaration
;
109 sequence
->scope
= new_definition_scope(parent_scope
);
110 len_parent
= sequence_declaration
->len_declaration
->p
.definition_new(&sequence_declaration
->len_declaration
->p
,
113 container_of(len_parent
, struct definition_integer
, p
);
114 sequence
->current_element
.definition
=
115 sequence_declaration
->elem
->definition_new(sequence_declaration
->elem
,
121 void _sequence_definition_free(struct definition
*definition
)
123 struct definition_sequence
*sequence
=
124 container_of(definition
, struct definition_sequence
, p
);
125 struct definition
*len_definition
= &sequence
->len
->p
;
126 struct definition
*elem_definition
=
127 sequence
->current_element
.definition
;
129 len_definition
->declaration
->definition_free(len_definition
);
130 elem_definition
->declaration
->definition_free(elem_definition
);
131 free_definition_scope(sequence
->scope
);
132 declaration_unref(sequence
->p
.declaration
);