| //===--- EnvironmentVariables.def - 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines x-macros used for metaprogramming with the set of |
| // environment variables used for configuring or enabling debug features in the |
| // runtime. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // #define VARIABLE(name, type, defaultValue, help) |
| |
| #ifndef VARIABLE |
| #error "Must define VARIABLE to include EnvironmentVariables.def" |
| #endif |
| |
| VARIABLE(SWIFT_DEBUG_ENABLE_METADATA_ALLOCATION_ITERATION, bool, false, |
| "Enable additional metadata allocation tracking for swift-inspect to " |
| "use.") |
| |
| VARIABLE(SWIFT_DEBUG_ENABLE_METADATA_BACKTRACE_LOGGING, bool, false, |
| "Enable logging of backtraces for each metadata allocation. Requires " |
| "SWIFT_DEBUG_ENABLE_METADATA_ALLOCATION_ITERATION to be enabled.") |
| |
| VARIABLE(SWIFT_DEBUG_IMPLICIT_OBJC_ENTRYPOINT, uint8_t, 2, |
| "Print warnings when using implicit @objc entrypoints. Set to " |
| "desired reporting level, 0-3.") |
| |
| VARIABLE(SWIFT_DETERMINISTIC_HASHING, bool, false, |
| "Disable randomized hash seeding.") |
| |
| VARIABLE(SWIFT_ENABLE_MANGLED_NAME_VERIFICATION, bool, false, |
| "Enable verification that metadata can roundtrip through a mangled " |
| "name each time metadata is instantiated.") |
| |
| VARIABLE(SWIFT_DEBUG_ENABLE_MALLOC_SCRIBBLE, bool, false, |
| "Scribble on runtime allocations such as metadata allocations.") |
| |
| VARIABLE(SWIFT_DEBUG_ENABLE_COW_CHECKS, bool, false, |
| "Enable internal checks for copy-on-write operations.") |
| |
| #undef VARIABLE |
