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
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <readline/readline.h>
#include "types.h"
#include "parser.h"
#include "eval.h"
LISP_OBJECT *Fadd(LISP_OBJECT *l)
{
long long natural=0;
List *list = l->value.list;
LISP_OBJECT *a = NULL;
while(list)
{
a = list->ptr;
natural += *a->value.number_natural;
list = list->next;
}
LISP_OBJECT *c = lisp_object_make_number_natural(natural);
return c;
}
LISP_OBJECT *Fminus(LISP_OBJECT *l)
{
LISP_OBJECT *a = l->value.list->ptr;
LISP_OBJECT *b = l->value.list->next->ptr;
LISP_OBJECT *c = lisp_object_make_number_natural(
*a->value.number_natural - *b->value.number_natural);
return c;
}
LISP_OBJECT *Fmul(LISP_OBJECT *l)
{
LISP_OBJECT *a = l->value.list->ptr;
LISP_OBJECT *b = l->value.list->next->ptr;
LISP_OBJECT *c = lisp_object_make_number_natural(
*a->value.number_natural * *b->value.number_natural);
return c;
}
LISP_OBJECT *Fdiv(LISP_OBJECT *l)
{
LISP_OBJECT *a = l->value.list->ptr;
LISP_OBJECT *b = l->value.list->next->ptr;
LISP_OBJECT *c = lisp_object_make_number_natural(
*a->value.number_natural / *b->value.number_natural);
return c;
}
LISP_OBJECT *Fplusone(LISP_OBJECT *l)
{
LISP_OBJECT *a = l->value.list->ptr;
LISP_OBJECT *c = lisp_object_make_number_natural(
*a->value.number_natural+1);
return c;
}
LISP_OBJECT *READ(char *input)
{
return parser_parse_str(input);
}
LISP_OBJECT *EVAL(LISP_OBJECT *input, HashMap *env)
{
return eval(input, env);
}
void PRINT(LISP_OBJECT *input)
{
lisp_object_print(input, 0);
lisp_object_free(input);
}
void rep(char *input, HashMap *env)
{
PRINT(EVAL(READ(input), env));
}
int main()
{
HashMap *env = NULL;
env = hash_map_push(env, "+", lisp_object_make_func(&Fadd));
env = hash_map_push(env, "-", lisp_object_make_func(&Fminus));
env = hash_map_push(env, "*", lisp_object_make_func(&Fmul));
env = hash_map_push(env, "/", lisp_object_make_func(&Fdiv));
env = hash_map_push(env, "++", lisp_object_make_func(&Fplusone));
char *input1 = NULL;
char *input = NULL;
while(1)
{
input = readline("JADL> ");
input1 = malloc(sizeof(char) * strlen(input) + 1);
strcpy(input1, input);
input1[strlen(input)] = '\0';
free(input);
rep(input1, env);
free(input1);
}
}
|