summaryrefslogtreecommitdiffhomepage
path: root/src/logic/amgc_unit_entities.c
blob: c86c1bca0bbd7718c0216f9c185bba852477a6fd (plain)
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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
/**********************************************************/
/*  apimagic: cparser-based API normalization utility     */
/*  Copyright (C) 2015--2016  Z. Gilboa                   */
/*  Released under GPLv2 and GPLv3; see COPYING.APIMAGIC. */
/**********************************************************/

#include <cparser/ast/ast_t.h>
#include <cparser/ast/entity_t.h>
#include <libfirm/tv.h>

#include <apimagic/apimagic.h>

struct amgc_unit_entities_impl {
	struct amgc_define *		adefines;
	struct amgc_entity *		aentities;
	struct amgc_unit_entities	entities;
};

static int amgc_free_unit_entities_impl(
	struct amgc_unit_entities_impl *entities,
	int				status)
{
	if (entities->adefines)
		free(entities->adefines);

	if (entities->aentities)
		free(entities->aentities);

	free (entities);
	return status;
}

int amgc_get_unit_entities(
	const struct amgc_unit_ctx *	uctx,
	struct amgc_unit_meta *		meta,
	struct amgc_unit_entities **	pentities)
{
	struct amgc_unit_meta		umeta;
	struct amgc_define *		adefine;
	struct amgc_entity *		aentity;
	struct amgc_unit_entities *	uentities;
	union entity_t *		entity;
	struct amgc_unit_entities_impl *entities;
	size_t				ndefs;
	size_t				nelements;
	int				enumval;

	if (!meta)
		meta = &umeta;

	if (amgc_init_unit_meta(uctx,meta))
		return -1;

	if (!(entities = calloc(1,sizeof(*entities))))
		return -1;

	/* use first element as a guard */
	ndefs  = 1;
	ndefs += meta->ndefines + 1;

	nelements  = 1;
	nelements += meta->nenums + 1;
	nelements += meta->nenumvals + 1;
	nelements += meta->ntypedefs + 1;
	nelements += meta->nstructs + 1;
	nelements += meta->nunions + 1;
	nelements += meta->nfunctions + 1;
	nelements += meta->ngenerated + 1;

	if (!(entities->adefines = calloc(ndefs,sizeof(struct amgc_define))))
		return amgc_free_unit_entities_impl(entities,-1);

	if (!(entities->aentities = calloc(nelements,sizeof(struct amgc_entity))))
		return amgc_free_unit_entities_impl(entities,-1);

	adefine = &entities->adefines[1];
	entities->entities.defines = adefine;

	aentity = &entities->aentities[1];
	entities->entities.enums = aentity;
	aentity += meta->nenums + 1;

	entities->entities.enumvals = aentity;
	aentity += meta->nenumvals + 1;

	entities->entities.typedefs = aentity;
	aentity += meta->ntypedefs + 1;

	entities->entities.structs = aentity;
	aentity += meta->nstructs + 1;

	entities->entities.unions = aentity;
	aentity += meta->nunions + 1;

	entities->entities.functions = aentity;
	aentity += meta->nfunctions + 1;

	entities->entities.generated = aentity;
	aentity += meta->ngenerated + 1;

	meta = &umeta;
	memset(meta,0,sizeof(*meta));

	entity    = uctx->ccunit->ast->scope.first_entity;
	uentities = &entities->entities;

	for (; entity; entity=entity->base.next) {
		if (strcmp(*uctx->path,entity->base.pos.input_name))
			continue;

		if ((is_declaration(entity)) &&  (entity->declaration.implicit))
			uentities->generated[meta->ngenerated++].entity = entity;

		else {
			switch (entity->kind) {
				case ENTITY_ENUM:
					uentities->enums[meta->nenums++].entity = entity;
					break;

				case ENTITY_ENUM_VALUE:
					enumval = (int)get_tarval_long(entity->enum_value.tv);
					uentities->enumvals[meta->nenumvals].entity  = entity;
					uentities->enumvals[meta->nenumvals].enumval = enumval;
					meta->nenumvals++;
					break;

				case ENTITY_TYPEDEF:
					uentities->typedefs[meta->ntypedefs++].entity = entity;
					meta->ntypedefs++;
					break;

				case ENTITY_STRUCT:
					if (entity->base.symbol || entity->compound.alias)
						uentities->structs[meta->nstructs++].entity = entity;
					break;

				case ENTITY_UNION:
					if (entity->base.symbol || entity->compound.alias)
						uentities->unions[meta->nunions++].entity = entity;
					break;

				case ENTITY_FUNCTION:
					uentities->functions[meta->nfunctions++].entity = entity;
					break;

				default:
					break;
			}
		}
	}

	*pentities = uentities;
	return 0;
}

void amgc_free_unit_entities(struct amgc_unit_entities * ctx)
{
	struct amgc_unit_entities_impl *ictx;
	uintptr_t			addr;

	if (ctx) {
		addr = (uintptr_t)ctx - offsetof(struct amgc_unit_entities_impl,entities);
		ictx = (struct amgc_unit_entities_impl *)addr;
		amgc_free_unit_entities_impl(ictx,0);
	}
}