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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
// file : build/context.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <build/context>
#include <ostream>
#include <cassert>
#include <system_error>
#include <build/scope>
#include <build/target>
#include <build/rule>
#include <build/diagnostics>
using namespace std;
using namespace butl;
namespace build
{
dir_path work;
dir_path home;
string_pool extension_pool;
string_pool project_name_pool;
const meta_operation_info* current_mif;
const operation_info* current_inner_oif;
const operation_info* current_outer_oif;
execution_mode current_mode;
uint64_t dependency_count;
void
reset ()
{
extension_pool.clear ();
project_name_pool.clear ();
targets.clear ();
scopes.clear ();
variable_pool.clear ();
// Reset meta/operation tables. Note that the order should match
// the id constants in <build/operation>.
//
meta_operation_table.clear ();
meta_operation_table.insert ("perform");
meta_operation_table.insert ("configure");
meta_operation_table.insert ("disfigure");
meta_operation_table.insert ("dist");
operation_table.clear ();
operation_table.insert ("default");
operation_table.insert ("update");
operation_table.insert ("clean");
operation_table.insert ("test");
operation_table.insert ("install");
// Enter builtin variables.
//
variable_pool.find ("work", dir_path_type);
variable_pool.find ("home", dir_path_type);
variable_pool.find ("src_root", dir_path_type);
variable_pool.find ("out_root", dir_path_type);
variable_pool.find ("src_base", dir_path_type);
variable_pool.find ("out_base", dir_path_type);
variable_pool.find ("project", string_type);
variable_pool.find ("amalgamation", dir_path_type);
// Shouldn't be typed since the value requires pre-processing.
//
variable_pool.find ("subprojects", nullptr, '=');
// Create global scope. For Win32 this is not a "real" root path.
// On POSIX, however, this is a real path. See the comment in
// <build/path-map> for details.
//
global_scope = scopes.insert (
dir_path ("/"), nullptr, true, false)->second;
global_scope->assign ("work") = work;
global_scope->assign ("home") = home;
// Register builtin target types.
//
{
target_type_map& tts (global_scope->target_types);
tts.insert<file> ();
tts.insert<alias> ();
tts.insert<dir> ();
tts.insert<fsdir> ();
tts.insert<doc> ();
tts.insert<man> ();
tts.insert<man1> ();
}
// Register builtin rules.
//
{
rule_map& rs (global_scope->rules);
rs.insert<alias> (perform_id, 0, "alias", alias_rule::instance);
rs.insert<fsdir> (perform_id, update_id, "fsdir", fsdir_rule::instance);
rs.insert<fsdir> (perform_id, clean_id, "fsdir", fsdir_rule::instance);
rs.insert<file> (perform_id, update_id, "file", file_rule::instance);
rs.insert<file> (perform_id, clean_id, "file", file_rule::instance);
}
}
fs_status<mkdir_status>
mkdir (const dir_path& d)
{
// We don't want to print the command if the directory already
// exists. This makes the below code a bit ugly.
//
mkdir_status ms;
try
{
ms = try_mkdir (d);
}
catch (const system_error& e)
{
text << "mkdir " << d;
fail << "unable to create directory " << d << ": " << e.what ();
}
if (ms == mkdir_status::success)
text << "mkdir " << d;
return ms;
}
fs_status<mkdir_status>
mkdir_p (const dir_path& d)
{
// We don't want to print the command if the directory already
// exists. This makes the below code a bit ugly.
//
mkdir_status ms;
try
{
ms = try_mkdir_p (d);
}
catch (const system_error& e)
{
text << "mkdir -p " << d;
fail << "unable to create directory " << d << ": " << e.what ();
}
if (ms == mkdir_status::success)
text << "mkdir -p " << d;
return ms;
}
fs_status<butl::rmdir_status>
rmdir_r (const dir_path& d)
{
using namespace butl;
if (work.sub (d)) // Don't try to remove working directory.
return rmdir_status::not_empty;
if (!dir_exists (d))
return rmdir_status::not_exist;
text << "rmdir -r " << d;
try
{
butl::rmdir_r (d);
}
catch (const std::system_error& e)
{
fail << "unable to remove directory " << d << ": " << e.what ();
}
return rmdir_status::success;
}
dir_path
src_out (const dir_path& out, scope& s)
{
scope& rs (*s.root_scope ());
return src_out (out, rs.out_path (), rs.src_path ());
}
dir_path
out_src (const dir_path& src, scope& s)
{
scope& rs (*s.root_scope ());
return out_src (src, rs.out_path (), rs.src_path ());
}
dir_path
src_out (const dir_path& o,
const dir_path& out_root, const dir_path& src_root)
{
assert (o.sub (out_root));
return src_root / o.leaf (out_root);
}
dir_path
out_src (const dir_path& s,
const dir_path& out_root, const dir_path& src_root)
{
assert (s.sub (src_root));
return out_root / s.leaf (src_root);
}
const dir_path* relative_base = &work;
}
|
