From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 build/rust/mozbuild/generate_buildconfig.py | 75 +++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 build/rust/mozbuild/generate_buildconfig.py

(limited to 'build/rust/mozbuild/generate_buildconfig.py')

diff --git a/build/rust/mozbuild/generate_buildconfig.py b/build/rust/mozbuild/generate_buildconfig.py
new file mode 100644
index 0000000000..255135ae81
--- /dev/null
+++ b/build/rust/mozbuild/generate_buildconfig.py
@@ -0,0 +1,75 @@
+# 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)};
+
+            """
+        )
+    )
+
+    # 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"))
-- 
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