c71d4c70bc
# ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D162668
76 lines
2.5 KiB
Python
76 lines
2.5 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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import string
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import textwrap
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import buildconfig
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def generate_bool(name):
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value = buildconfig.substs.get(name)
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return f"pub const {name}: bool = {'true' if value else 'false'};\n"
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def escape_rust_string(value):
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"""escape the string into a Rust literal"""
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# This could be more generous, but we're only escaping paths with it.
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unescaped = string.ascii_letters + string.digits + "/$+-_~ "
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result = ""
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for ch in str(value):
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if ch in unescaped:
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result += ch
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elif ch == "\r":
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result += "\\r"
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elif ch == "\n":
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result += "\\n"
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elif ch == "\\":
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result += "\\\\"
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elif ch == '"':
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result += '\\"'
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else:
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result += "\\u{%x}" % ord(ch)
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return '"%s"' % result
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def generate(output):
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# Write out a macro which can be used within `include!`-like methods to
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# reference the topobjdir.
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output.write(
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textwrap.dedent(
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f"""
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/// Macro used to name a path in the objdir for use with macros like `include!`
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#[macro_export]
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macro_rules! objdir_path {{
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($path:literal) => {{
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concat!({escape_rust_string(buildconfig.topobjdir + "/")}, $path)
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}}
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}}
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/// Macro used to name a path in the srcdir for use with macros like `include!`
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#[macro_export]
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macro_rules! srcdir_path {{
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($path:literal) => {{
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concat!({escape_rust_string(buildconfig.topsrcdir + "/")}, $path)
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}}
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}}
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/// The objdir path for use in build scripts
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pub const TOPOBJDIR: &str = {escape_rust_string(buildconfig.topobjdir)};
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/// The srcdir path for use in build scripts
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pub const TOPSRCDIR: &str = {escape_rust_string(buildconfig.topsrcdir)};
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"""
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)
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)
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# Finally, write out some useful booleans from the buildconfig.
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output.write(generate_bool("MOZ_FOLD_LIBS"))
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output.write(generate_bool("NIGHTLY_BUILD"))
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output.write(generate_bool("RELEASE_OR_BETA"))
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output.write(generate_bool("EARLY_BETA_OR_EARLIER"))
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output.write(generate_bool("MOZ_DEV_EDITION"))
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output.write(generate_bool("MOZ_ESR"))
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output.write(generate_bool("MOZ_DIAGNOSTIC_ASSERT_ENABLED"))
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