| //===--- EnvironmentVariables.h - Debug variables. --------------*- C++ -*-===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See https://swift.org/LICENSE.txt for license information |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Debug behavior conditionally enabled using environment variables. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "../Basic/Lazy.h" |
| |
| namespace swift { |
| namespace runtime { |
| namespace environment { |
| |
| void initialize(void *); |
| |
| extern OnceToken_t initializeToken; |
| |
| // Declare backing variables. |
| #define VARIABLE(name, type, defaultValue, help) extern type name ## _variable; |
| #include "../../../stdlib/public/runtime/EnvironmentVariables.def" |
| |
| // Define getter functions. |
| #define VARIABLE(name, type, defaultValue, help) \ |
| inline type name() { \ |
| SWIFT_ONCE_F(initializeToken, initialize, nullptr); \ |
| return name ## _variable; \ |
| } |
| #include "../../../stdlib/public/runtime/EnvironmentVariables.def" |
| |
| } // end namespace environment |
| } // end namespace runtime |
| } // end namespace Swift |
