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
|
// file : build/rule -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#ifndef BUILD_RULE
#define BUILD_RULE
#include <string>
#include <typeindex>
#include <functional> // reference_wrapper
#include <unordered_map>
#include <butl/prefix-map>
#include <build/types>
#include <build/target>
#include <build/operation>
namespace build
{
class rule
{
public:
virtual void*
match (action, target&, const std::string& hint) const = 0;
virtual recipe
apply (action, target&, void*) const = 0;
};
using target_rule_map = std::unordered_map<
std::type_index,
butl::prefix_map<std::string, std::reference_wrapper<rule>, '.'>>;
using operation_rule_map = std::unordered_map<operation_id, target_rule_map>;
extern operation_rule_map rules;
// Fallback rule that on update verifies that the path exists and is
// not older than any of its prerequisites.
//
class path_rule: public rule
{
public:
virtual void*
match (action, target&, const std::string& hint) const;
virtual recipe
apply (action, target&, void*) const;
static target_state
perform_update (action, target&);
};
class dir_rule: public rule
{
public:
virtual void*
match (action, target&, const std::string& hint) const;
virtual recipe
apply (action, target&, void*) const;
};
class fsdir_rule: public rule
{
public:
virtual void*
match (action, target&, const std::string& hint) const;
virtual recipe
apply (action, target&, void*) const;
static target_state
perform_update (action, target&);
static target_state
perform_clean (action, target&);
};
}
#endif // BUILD_RULE
|
