blob: bab2f3196f6b9b83a5f1850ac9af0b5fbe0ef56d (
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
|
#include <windows.h>
#include <SWI-Prolog.h>
#include "pl.h"
Frame::Frame()
{
m_f = PL_open_foreign_frame();
}
Frame::~Frame()
{
PL_close_foreign_frame(m_f);
}
void Frame::Close()
{
PL_close_foreign_frame(m_f);
}
void Frame::Discard()
{
PL_discard_foreign_frame(m_f);
}
void Frame::Rewind()
{
PL_rewind_foreign_frame(m_f);
}
Mark::Mark()
{
PL_mark_string_buffers(&m_m);
}
Mark::~Mark()
{
PL_release_string_buffers_from_mark(m_m);
}
Query::Query(const module_t ctx, const predicate_t p, const term_t t0)
{
m_q = PL_open_query(ctx, PL_Q_CATCH_EXCEPTION, p, t0);
}
Query::~Query()
{
PL_cut_query(m_q);
}
int Query::Cut(std::nothrow_t)
{
return PL_cut_query(m_q);
}
int Query::Cut()
{
if (PL_cut_query(m_q)) return 1;
if (const term_t t = PL_exception(m_q)) throw t;
return 0;
}
int Query::Close(std::nothrow_t)
{
return PL_close_query(m_q);
}
int Query::Close()
{
if (PL_close_query(m_q)) return 1;
if (const term_t t = PL_exception(m_q)) throw t;
return 0;
}
int Query::NextSolution(std::nothrow_t)
{
return PL_next_solution(m_q);
}
int Query::NextSolution()
{
if (PL_next_solution(m_q)) return 1;
if (const term_t t = PL_exception(m_q)) throw t;
return 0;
}
WcharPtr PlString(const term_t t, const int flags)
{
char* s;
if (PL_get_chars(t, &s, flags))
return {WcharPtr::FromNarrow(s)};
else
return {};
}
|