Rename "declaration" to "definition"
[babeltrace.git] / types / array.c
CommitLineData
d06d03db 1/*
ccd7e1c8 2 * array.c
d06d03db 3 *
ccd7e1c8 4 * BabelTrace - Array Type Converter
d06d03db 5 *
c054553d 6 * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
d06d03db 7 *
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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:
d06d03db 14 *
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15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
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17 */
18
19#include <babeltrace/compiler.h>
4c8bfb7e 20#include <babeltrace/format.h>
d06d03db 21
c054553d 22static
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23struct definition *_array_definition_new(struct type *type,
24 struct definition_scope *parent_scope);
c054553d 25static
e1151715 26void _array_definition_free(struct definition *definition);
c054553d 27
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28void array_copy(struct stream_pos *dest, const struct format *fdest,
29 struct stream_pos *src, const struct format *fsrc,
e1151715 30 struct definition *definition)
d06d03db 31{
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32 struct definition_array *array =
33 container_of(definition, struct definition_array, p);
e19c3d69 34 struct type_array *array_type = array->type;
c054553d 35 uint64_t i;
d06d03db 36
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37 fsrc->array_begin(src, array_type);
38 fdest->array_begin(dest, array_type);
d06d03db 39
e19c3d69 40 for (i = 0; i < array_type->len; i++) {
e1151715 41 struct definition *elem = array->current_element.definition;
6ee5115e 42 elem->type->copy(dest, fdest, src, fsrc, elem);
d06d03db 43 }
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44 fsrc->array_end(src, array_type);
45 fdest->array_end(dest, array_type);
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46}
47
c054553d 48static
e19c3d69 49void _array_type_free(struct type *type)
d06d03db 50{
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51 struct type_array *array_type =
52 container_of(type, struct type_array, p);
c054553d 53
64893f33 54 free_type_scope(array_type->scope);
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55 type_unref(array_type->elem);
56 g_free(array_type);
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57}
58
e19c3d69 59struct type_array *
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60 array_type_new(const char *name, size_t len, struct type *elem_type,
61 struct type_scope *parent_scope)
d06d03db 62{
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63 struct type_array *array_type;
64 struct type *type;
d06d03db 65
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66 array_type = g_new(struct type_array, 1);
67 type = &array_type->p;
68 array_type->len = len;
69 type_ref(elem_type);
70 array_type->elem = elem_type;
64893f33 71 array_type->scope = new_type_scope(parent_scope);
05628561 72 type->id = CTF_TYPE_ARRAY;
e19c3d69 73 type->name = g_quark_from_string(name);
d06d03db 74 /* No need to align the array, the first element will align itself */
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75 type->alignment = 1;
76 type->copy = array_copy;
77 type->type_free = _array_type_free;
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78 type->definition_new = _array_definition_new;
79 type->definition_free = _array_definition_free;
e19c3d69 80 type->ref = 1;
e19c3d69 81 return array_type;
d06d03db 82}
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83
84static
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85struct definition *
86 _array_definition_new(struct type *type,
87 struct definition_scope *parent_scope)
c054553d 88{
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89 struct type_array *array_type =
90 container_of(type, struct type_array, p);
e1151715 91 struct definition_array *array;
c054553d 92
e1151715 93 array = g_new(struct definition_array, 1);
e19c3d69 94 type_ref(&array_type->p);
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95 array->p.type = type;
96 array->type = array_type;
c054553d 97 array->p.ref = 1;
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98 array->scope = new_definition_scope(parent_scope);
99 array->current_element.definition =
100 array_type->elem->definition_new(array_type->elem,
6ee5115e 101 parent_scope);
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102 return &array->p;
103}
104
105static
e1151715 106void _array_definition_free(struct definition *definition)
c054553d 107{
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108 struct definition_array *array =
109 container_of(definition, struct definition_array, p);
110 struct definition *elem_definition =
111 array->current_element.definition;
c054553d 112
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113 elem_definition->type->definition_free(elem_definition);
114 free_definition_scope(array->scope);
e19c3d69 115 type_unref(array->p.type);
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116 g_free(array);
117}
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