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
|
#ifndef MAGIC_EXPR_HPP
#define MAGIC_EXPR_HPP
#include "magic-interpreter.hpp"
/*
* Argument types:
* i : int
* d : dir
* s : string
* e : entity
* l : location
* a : area
* S : spell
* I : invocation
* . : any, except for fail/undef
* _ : any, including fail, but not undef
*/
typedef struct fun
{
const char *name;
const char *signature;
char ret_ty;
int(*fun)(env_t *env, int args_nr, val_t *result, val_t *args);
} fun_t;
typedef struct op
{
const char *name;
const char *signature;
int(*op)(env_t *env, int args_nr, val_t *args);
} op_t;
/**
* Retrieves a function by name
* @param name The name to look up
* @return A function of that name, or NULL, and a function index
*/
fun_t *magic_get_fun(const char *name, int *index);
/**
* Retrieves an operation by name
* @param name The name to look up
* @return An operation of that name, or NULL, and a function index
*/
op_t *magic_get_op(char *name, int *index);
/**
* Evaluates an expression and stores the result in `dest'
*/
void magic_eval(env_t *env, val_t *dest, expr_t *expr);
/**
* Evaluates an expression and coerces the result into an integer
*/
int magic_eval_int(env_t *env, expr_t *expr);
/**
* Evaluates an expression and coerces the result into a string
*/
char *magic_eval_str(env_t *env, expr_t *expr);
bool map_is_solid(int m, int x, int y);
expr_t *magic_new_expr(EXPR ty);
void magic_clear_var(val_t *v);
void magic_copy_var(val_t *dest, val_t *src);
void magic_random_location(location_t *dest, area_t *area);
// ret -1: not a string, ret 1: no such item, ret 0: OK
int magic_find_item(val_t *args, int index, struct item *item, int *stackable);
#define GET_ARG_ITEM(index, dest, stackable) \
switch (magic_find_item(args, index, &dest, &stackable)) \
{ \
case -1: return 1; \
case 1: return 0; \
default: break; \
}
int magic_location_in_area(int m, int x, int y, area_t *area);
#endif // MAGIC_EXPR_HPP
|
