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
|
/*
* Copyright (C) 2020-2021 Jo-Philipp Wich <jo@mein.io>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef __LIB_H_
#define __LIB_H_
#include "vm.h"
#include "lexer.h"
typedef struct {
const char *name;
uc_cfn_ptr_t func;
} uc_cfunction_list;
extern const uc_cfunction_list uc_stdlib_functions[];
void uc_load_stdlib(uc_value_t *scope);
uc_value_t *uc_alloc_global(uc_vm *vm);
bool format_source_context(uc_stringbuf_t *buf, uc_source *src, size_t off, bool compact);
bool format_error_context(uc_stringbuf_t *buf, uc_source *src, uc_value_t *stacktrace, size_t off);
/* vm helper */
static inline void *
_uc_get_self(uc_vm *vm, const char *expected_type)
{
return ucv_ressource_dataptr(vm->callframes.entries[vm->callframes.count - 1].ctx, expected_type);
}
#define uc_get_self(...) _uc_get_self(vm, __VA_ARGS__)
static inline uc_value_t *
_uc_get_arg(uc_vm *vm, size_t nargs, size_t n)
{
if (n >= nargs)
return NULL;
return uc_vm_stack_peek(vm, nargs - n - 1);
}
#define uc_get_arg(...) _uc_get_arg(vm, nargs, __VA_ARGS__)
#define uc_call(nargs) uc_vm_call(vm, false, nargs)
#define uc_push_val(val) uc_vm_stack_push(vm, val)
#define uc_pop_val() uc_vm_stack_pop(vm)
/* value helper */
static inline uc_value_t *
uc_alloc_ressource(uc_ressource_type_t *type, void *data)
{
return ucv_ressource_new(type, data);
}
static inline uc_type_t
uc_to_number(uc_value_t *v, int64_t *n, double *d)
{
return uc_cast_number(v, n, d);
}
static inline double
uc_to_double(uc_value_t *v)
{
int64_t n;
double d;
return (uc_cast_number(v, &n, &d) == UC_DOUBLE) ? d : (double)n;
}
static inline int64_t
uc_to_int64(uc_value_t *v)
{
int64_t n;
double d;
return (uc_cast_number(v, &n, &d) == UC_DOUBLE) ? (int64_t)d : n;
}
/* ressource type helper */
static inline uc_ressource_type_t *
_uc_declare_type(uc_vm *vm, const char *name, const uc_cfunction_list *list, size_t len, void (*freefn)(void *))
{
uc_value_t *proto = ucv_object_new(NULL);
while (len-- > 0)
ucv_object_add(proto, list[len].name,
ucv_cfunction_new(list[len].name, list[len].func));
return ucv_ressource_type_add(vm, name, proto, freefn);
}
#define uc_declare_type(vm, name, functions, freefn) \
_uc_declare_type(vm, name, functions, ARRAY_SIZE(functions), freefn)
/* function helper */
#define uc_add_function(object, name, function) \
ucv_object_add(object, name, ucv_cfunction_new(name, function))
static inline bool
_uc_add_functions(uc_value_t *object, const uc_cfunction_list *list, size_t len)
{
bool rv = true;
while (len-- > 0)
rv &= uc_add_function(object, list[len].name, list[len].func);
return rv;
}
#define uc_add_functions(object, functions) \
_uc_add_functions(object, functions, ARRAY_SIZE(functions))
#endif /* __LIB_H_ */
|
