1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*
* Copyright 2016 WebAssembly Community Group participants
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef WASM_VECTOR_H_
#define WASM_VECTOR_H_
#include <stddef.h>
#include "wasm-allocator.h"
#include "wasm-common.h"
#include "wasm-config.h"
/*
* WASM_DEFINE_VECTOR(widget, WasmWidget) defines struct and functions like the
* following:
*
* typedef struct WasmWidgetVector {
* WasmWidget* data;
* size_t size;
* size_t capacity;
* } WasmWidgetVector;
*
* void wasm_destroy_widget_vector(WasmAllocator*, WasmWidgetVector* vec);
* WasmWidget* wasm_append_widget(WasmAllocator*, WasmWidgetVector* vec);
* void wasm_resize_widget_vector(WasmAllocator*, WasmWidgetVector* vec,
* size_t size);
* void wasm_reserve_widgets(WasmAllocator*, WasmWidgetVector* vec,
* size_t desired);
* void wasm_append_widget_value(WasmAllocator*, WasmWidgetVector* vec,
* const WasmWidget* value);
* void wasm_extend_widgets(WasmAllocator*, WasmWidgetVector* dst,
* const WasmWidgetVector* src);
*/
#define WASM_DEFINE_VECTOR(name, type) \
typedef struct type##Vector { \
type* data; \
size_t size; \
size_t capacity; \
} type##Vector; \
\
WASM_EXTERN_C_BEGIN \
static WASM_INLINE void wasm_destroy_##name##_vector( \
struct WasmAllocator* allocator, type##Vector* vec) WASM_UNUSED; \
static WASM_INLINE void wasm_resize_##name##_vector( \
struct WasmAllocator* allocator, type##Vector* vec, size_t desired) \
WASM_UNUSED; \
static WASM_INLINE void wasm_reserve_##name##s( \
struct WasmAllocator* allocator, type##Vector* vec, size_t desired) \
WASM_UNUSED; \
static WASM_INLINE type* wasm_append_##name(struct WasmAllocator* allocator, \
type##Vector* vec) WASM_UNUSED; \
static WASM_INLINE void wasm_append_##name##_value( \
struct WasmAllocator* allocator, type##Vector* vec, const type* value) \
WASM_UNUSED; \
static WASM_INLINE void wasm_extend_##name##s( \
struct WasmAllocator* allocator, type##Vector* dst, \
const type##Vector* src) WASM_UNUSED; \
WASM_EXTERN_C_END \
\
void wasm_destroy_##name##_vector(struct WasmAllocator* allocator, \
type##Vector* vec) { \
wasm_free(allocator, vec->data); \
vec->data = NULL; \
vec->size = 0; \
vec->capacity = 0; \
} \
void wasm_resize_##name##_vector(struct WasmAllocator* allocator, \
type##Vector* vec, size_t size) { \
wasm_resize_vector(allocator, (void**)&vec->data, &vec->size, \
&vec->capacity, size, sizeof(type)); \
} \
void wasm_reserve_##name##s(struct WasmAllocator* allocator, \
type##Vector* vec, size_t desired) { \
wasm_ensure_capacity(allocator, (void**)&vec->data, &vec->capacity, \
desired, sizeof(type)); \
} \
type* wasm_append_##name(struct WasmAllocator* allocator, \
type##Vector* vec) { \
return wasm_append_element(allocator, (void**)&vec->data, &vec->size, \
&vec->capacity, sizeof(type)); \
} \
void wasm_append_##name##_value(struct WasmAllocator* allocator, \
type##Vector* vec, const type* value) { \
type* slot = wasm_append_##name(allocator, vec); \
*slot = *value; \
} \
void wasm_extend_##name##s(struct WasmAllocator* allocator, \
type##Vector* dst, const type##Vector* src) { \
wasm_extend_elements(allocator, (void**)&dst->data, &dst->size, \
&dst->capacity, (const void**)&src->data, src->size, \
sizeof(type)); \
}
#define WASM_DESTROY_VECTOR_AND_ELEMENTS(allocator, v, name) \
{ \
size_t i; \
for (i = 0; i < (v).size; ++i) \
wasm_destroy_##name(allocator, &((v).data[i])); \
wasm_destroy_##name##_vector(allocator, &(v)); \
}
WASM_EXTERN_C_BEGIN
void wasm_ensure_capacity(struct WasmAllocator*,
void** data,
size_t* capacity,
size_t desired_size,
size_t elt_byte_size);
void wasm_resize_vector(struct WasmAllocator*,
void** data,
size_t* size,
size_t* capacity,
size_t desired_size,
size_t elt_byte_size);
void* wasm_append_element(struct WasmAllocator*,
void** data,
size_t* size,
size_t* capacity,
size_t elt_byte_size);
void wasm_extend_elements(struct WasmAllocator*,
void** dst,
size_t* dst_size,
size_t* dst_capacity,
const void** src,
size_t src_size,
size_t elt_byte_size);
WASM_EXTERN_C_END
#endif /* WASM_VECTOR_H_ */
|
