Commit | Line | Data |
---|---|---|
2e7d72cf | 1 | /* |
ccd7e1c8 | 2 | * sequence.c |
2e7d72cf | 3 | * |
ccd7e1c8 | 4 | * BabelTrace - Sequence Type Converter |
2e7d72cf | 5 | * |
c054553d | 6 | * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
2e7d72cf | 7 | * |
ccd7e1c8 MD |
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: | |
2e7d72cf | 14 | * |
ccd7e1c8 MD |
15 | * The above copyright notice and this permission notice shall be included in |
16 | * all copies or substantial portions of the Software. | |
2e7d72cf MD |
17 | */ |
18 | ||
19 | #include <babeltrace/compiler.h> | |
4c8bfb7e | 20 | #include <babeltrace/format.h> |
2e7d72cf | 21 | |
be85c1c7 MD |
22 | #ifndef max |
23 | #define max(a, b) ((a) < (b) ? (b) : (a)) | |
24 | #endif | |
25 | ||
c054553d | 26 | static |
f6625916 | 27 | struct definition *_sequence_definition_new(struct declaration *declaration, |
05c749e5 MD |
28 | struct definition_scope *parent_scope, |
29 | GQuark field_name, int index); | |
c054553d | 30 | static |
e1151715 | 31 | void _sequence_definition_free(struct definition *definition); |
c054553d | 32 | |
2e7d72cf MD |
33 | void sequence_copy(struct stream_pos *dest, const struct format *fdest, |
34 | struct stream_pos *src, const struct format *fsrc, | |
e1151715 | 35 | struct definition *definition) |
2e7d72cf | 36 | { |
e1151715 MD |
37 | struct definition_sequence *sequence = |
38 | container_of(definition, struct definition_sequence, p); | |
f6625916 | 39 | struct declaration_sequence *sequence_declaration = sequence->declaration; |
c054553d | 40 | uint64_t i; |
2e7d72cf | 41 | |
f6625916 MD |
42 | fsrc->sequence_begin(src, sequence_declaration); |
43 | fdest->sequence_begin(dest, sequence_declaration); | |
2e7d72cf | 44 | |
f6625916 | 45 | sequence->len->p.declaration->copy(dest, fdest, src, fsrc, |
e19c3d69 | 46 | &sequence->len->p); |
2e7d72cf | 47 | |
c054553d | 48 | for (i = 0; i < sequence->len->value._unsigned; i++) { |
e1151715 MD |
49 | struct definition *elem = |
50 | sequence->current_element.definition; | |
f6625916 | 51 | elem->declaration->copy(dest, fdest, src, fsrc, elem); |
2e7d72cf | 52 | } |
f6625916 MD |
53 | fsrc->sequence_end(src, sequence_declaration); |
54 | fdest->sequence_end(dest, sequence_declaration); | |
2e7d72cf MD |
55 | } |
56 | ||
c054553d | 57 | static |
f6625916 | 58 | void _sequence_declaration_free(struct declaration *declaration) |
2e7d72cf | 59 | { |
f6625916 MD |
60 | struct declaration_sequence *sequence_declaration = |
61 | container_of(declaration, struct declaration_sequence, p); | |
c054553d | 62 | |
f6625916 MD |
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); | |
2e7d72cf MD |
67 | } |
68 | ||
f6625916 MD |
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) | |
2e7d72cf | 73 | { |
f6625916 MD |
74 | struct declaration_sequence *sequence_declaration; |
75 | struct declaration *declaration; | |
2e7d72cf | 76 | |
f6625916 MD |
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; | |
92 | declaration->ref = 1; | |
93 | return sequence_declaration; | |
2e7d72cf | 94 | } |
c054553d MD |
95 | |
96 | static | |
f6625916 | 97 | struct definition *_sequence_definition_new(struct declaration *declaration, |
05c749e5 MD |
98 | struct definition_scope *parent_scope, |
99 | GQuark field_name, int index) | |
c054553d | 100 | { |
f6625916 MD |
101 | struct declaration_sequence *sequence_declaration = |
102 | container_of(declaration, struct declaration_sequence, p); | |
e1151715 MD |
103 | struct definition_sequence *sequence; |
104 | struct definition *len_parent; | |
c054553d | 105 | |
e1151715 | 106 | sequence = g_new(struct definition_sequence, 1); |
f6625916 MD |
107 | declaration_ref(&sequence_declaration->p); |
108 | sequence->p.declaration = declaration; | |
109 | sequence->declaration = sequence_declaration; | |
c054553d | 110 | sequence->p.ref = 1; |
05c749e5 MD |
111 | sequence->p.index = index; |
112 | sequence->scope = new_definition_scope(parent_scope, field_name); | |
f6625916 | 113 | len_parent = sequence_declaration->len_declaration->p.definition_new(&sequence_declaration->len_declaration->p, |
05c749e5 MD |
114 | parent_scope, |
115 | g_quark_from_static_string("length"), 0); | |
e19c3d69 | 116 | sequence->len = |
e1151715 MD |
117 | container_of(len_parent, struct definition_integer, p); |
118 | sequence->current_element.definition = | |
f6625916 | 119 | sequence_declaration->elem->definition_new(sequence_declaration->elem, |
05c749e5 MD |
120 | parent_scope, |
121 | g_quark_from_static_string("[]"), 1); | |
c054553d MD |
122 | return &sequence->p; |
123 | } | |
124 | ||
125 | static | |
e1151715 | 126 | void _sequence_definition_free(struct definition *definition) |
c054553d | 127 | { |
e1151715 MD |
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; | |
c054553d | 133 | |
f6625916 MD |
134 | len_definition->declaration->definition_free(len_definition); |
135 | elem_definition->declaration->definition_free(elem_definition); | |
e1151715 | 136 | free_definition_scope(sequence->scope); |
f6625916 | 137 | declaration_unref(sequence->p.declaration); |
c054553d MD |
138 | g_free(sequence); |
139 | } |