blob: 2252276319aa59eb89518b94912a137381698cb5 (
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
94
95
|
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import string
import textwrap
import buildconfig
def generate_bool(name):
value = buildconfig.substs.get(name)
return f"pub const {name}: bool = {'true' if value else 'false'};\n"
def escape_rust_string(value):
"""escape the string into a Rust literal"""
# This could be more generous, but we're only escaping paths with it.
unescaped = string.ascii_letters + string.digits + "/$+-_~ "
result = ""
for ch in str(value):
if ch in unescaped:
result += ch
elif ch == "\r":
result += "\\r"
elif ch == "\n":
result += "\\n"
elif ch == "\\":
result += "\\\\"
elif ch == '"':
result += '\\"'
else:
result += "\\u{%x}" % ord(ch)
return '"%s"' % result
def generate(output):
# Write out a macro which can be used within `include!`-like methods to
# reference the topobjdir.
output.write(
textwrap.dedent(
f"""
/// Macro used to name a path in the objdir for use with macros like `include!`
#[macro_export]
macro_rules! objdir_path {{
($path:literal) => {{
concat!({escape_rust_string(buildconfig.topobjdir + "/")}, $path)
}}
}}
/// Macro used to name a path in the srcdir for use with macros like `include!`
#[macro_export]
macro_rules! srcdir_path {{
($path:literal) => {{
concat!({escape_rust_string(buildconfig.topsrcdir + "/")}, $path)
}}
}}
/// The objdir path for use in build scripts
pub const TOPOBJDIR: &str = {escape_rust_string(buildconfig.topobjdir)};
/// The srcdir path for use in build scripts
pub const TOPSRCDIR: &str = {escape_rust_string(buildconfig.topsrcdir)};
"""
)
)
windows_rs_dir = buildconfig.substs.get("MOZ_WINDOWS_RS_DIR")
if windows_rs_dir:
output.write(
textwrap.dedent(
f"""
/// Macro used to name a path in the srcdir for use with macros like `include!`
#[macro_export]
macro_rules! windows_rs_path {{
($path:literal) => {{
concat!({escape_rust_string(windows_rs_dir + "/")}, $path)
}}
}}
/// The path to the windows-rs crate, for use in build scripts
pub const WINDOWS_RS_DIR: &str = {escape_rust_string(windows_rs_dir)};
"""
)
)
# Finally, write out some useful booleans from the buildconfig.
output.write(generate_bool("MOZ_FOLD_LIBS"))
output.write(generate_bool("NIGHTLY_BUILD"))
output.write(generate_bool("RELEASE_OR_BETA"))
output.write(generate_bool("EARLY_BETA_OR_EARLIER"))
output.write(generate_bool("MOZ_DEV_EDITION"))
output.write(generate_bool("MOZ_ESR"))
output.write(generate_bool("MOZ_DIAGNOSTIC_ASSERT_ENABLED"))
|
