blob: 4d4ad353533c9cd56af60c021411373b79ed7c26 (
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
|
// file : build2/test/script/builtin.hxx -*- C++ -*-
// copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#ifndef BUILD2_TEST_SCRIPT_BUILTIN_HXX
#define BUILD2_TEST_SCRIPT_BUILTIN_HXX
#include <map>
#include <build2/types.hxx>
#include <build2/utility.hxx>
namespace build2
{
namespace test
{
namespace script
{
class scope;
// A process/thread-like object representing a running builtin.
//
// For now, instead of allocating the result storage dynamically, we
// expect it to be provided by the caller.
//
class builtin
{
public:
uint8_t
wait () {if (t_.joinable ()) t_.join (); return r_;}
~builtin () {wait ();}
public:
builtin (uint8_t& r, thread&& t = thread ()): r_ (r), t_ (move (t)) {}
builtin (builtin&&) = default;
builtin& operator= (builtin&&) = default;
private:
uint8_t& r_;
thread t_;
};
// Start builtin command. Throw system_error on failure.
//
// Note that unlike argc/argv, our args don't include the program name.
//
using builtin_func = builtin (scope&,
uint8_t& result,
const strings& args,
auto_fd in, auto_fd out, auto_fd err);
class builtin_map: public std::map<string, builtin_func*>
{
public:
using base = std::map<string, builtin_func*>;
using base::base;
// Return NULL if not a builtin.
//
builtin_func*
find (const string& n) const
{
auto i (base::find (n));
return i != end () ? i->second : nullptr;
}
};
extern const builtin_map builtins;
}
}
}
#endif // BUILD2_TEST_SCRIPT_BUILTIN_HXX
|
