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
,
29 GQuark field_name
, int index
);
31 void _sequence_definition_free(struct definition
*definition
);
33 void sequence_copy(struct stream_pos
*dest
, const struct format
*fdest
,
34 struct stream_pos
*src
, const struct format
*fsrc
,
35 struct definition
*definition
)
37 struct definition_sequence
*sequence
=
38 container_of(definition
, struct definition_sequence
, p
);
39 struct declaration_sequence
*sequence_declaration
= sequence
->declaration
;
42 fsrc
->sequence_begin(src
, sequence_declaration
);
43 fdest
->sequence_begin(dest
, sequence_declaration
);
45 sequence
->len
->p
.declaration
->copy(dest
, fdest
, src
, fsrc
,
48 for (i
= 0; i
< sequence
->len
->value
._unsigned
; i
++) {
49 struct definition
*elem
=
50 sequence
->current_element
.definition
;
51 elem
->declaration
->copy(dest
, fdest
, src
, fsrc
, elem
);
53 fsrc
->sequence_end(src
, sequence_declaration
);
54 fdest
->sequence_end(dest
, sequence_declaration
);
58 void _sequence_declaration_free(struct declaration
*declaration
)
60 struct declaration_sequence
*sequence_declaration
=
61 container_of(declaration
, struct declaration_sequence
, p
);
63 free_declaration_scope(sequence_declaration
->scope
);
64 declaration_unref(&sequence_declaration
->len_declaration
->p
);
65 declaration_unref(sequence_declaration
->elem
);
66 g_free(sequence_declaration
);
69 struct declaration_sequence
*
70 sequence_declaration_new(const char *name
, struct declaration_integer
*len_declaration
,
71 struct declaration
*elem_declaration
,
72 struct declaration_scope
*parent_scope
)
74 struct declaration_sequence
*sequence_declaration
;
75 struct declaration
*declaration
;
77 sequence_declaration
= g_new(struct declaration_sequence
, 1);
78 declaration
= &sequence_declaration
->p
;
79 assert(!len_declaration
->signedness
);
80 declaration_ref(&len_declaration
->p
);
81 sequence_declaration
->len_declaration
= len_declaration
;
82 declaration_ref(elem_declaration
);
83 sequence_declaration
->elem
= elem_declaration
;
84 sequence_declaration
->scope
= new_declaration_scope(parent_scope
);
85 declaration
->id
= CTF_TYPE_SEQUENCE
;
86 declaration
->name
= g_quark_from_string(name
);
87 declaration
->alignment
= max(len_declaration
->p
.alignment
, elem_declaration
->alignment
);
88 declaration
->copy
= sequence_copy
;
89 declaration
->declaration_free
= _sequence_declaration_free
;
90 declaration
->definition_new
= _sequence_definition_new
;
91 declaration
->definition_free
= _sequence_definition_free
;
93 return sequence_declaration
;
97 struct definition
*_sequence_definition_new(struct declaration
*declaration
,
98 struct definition_scope
*parent_scope
,
99 GQuark field_name
, int index
)
101 struct declaration_sequence
*sequence_declaration
=
102 container_of(declaration
, struct declaration_sequence
, p
);
103 struct definition_sequence
*sequence
;
104 struct definition
*len_parent
;
106 sequence
= g_new(struct definition_sequence
, 1);
107 declaration_ref(&sequence_declaration
->p
);
108 sequence
->p
.declaration
= declaration
;
109 sequence
->declaration
= sequence_declaration
;
111 sequence
->p
.index
= index
;
112 sequence
->scope
= new_definition_scope(parent_scope
, field_name
);
113 len_parent
= sequence_declaration
->len_declaration
->p
.definition_new(&sequence_declaration
->len_declaration
->p
,
115 g_quark_from_static_string("length"), 0);
117 container_of(len_parent
, struct definition_integer
, p
);
118 sequence
->current_element
.definition
=
119 sequence_declaration
->elem
->definition_new(sequence_declaration
->elem
,
121 g_quark_from_static_string("[]"), 1);
126 void _sequence_definition_free(struct definition
*definition
)
128 struct definition_sequence
*sequence
=
129 container_of(definition
, struct definition_sequence
, p
);
130 struct definition
*len_definition
= &sequence
->len
->p
;
131 struct definition
*elem_definition
=
132 sequence
->current_element
.definition
;
134 len_definition
->declaration
->definition_free(len_definition
);
135 elem_definition
->declaration
->definition_free(elem_definition
);
136 free_definition_scope(sequence
->scope
);
137 declaration_unref(sequence
->p
.declaration
);