//===--- 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.") VARIABLE(SWIFT_ENABLE_ASYNC_JOB_DISPATCH_INTEGRATION, bool, true, "Enable use of dispatch_async_swift_job when available.") #if defined(__APPLE__) && defined(__MACH__) VARIABLE(SWIFT_DEBUG_VALIDATE_SHARED_CACHE_PROTOCOL_CONFORMANCES, bool, false, "Validate shared cache protocol conformance results against the " "lists of conformances in the shared cache images.") VARIABLE(SWIFT_DEBUG_ENABLE_SHARED_CACHE_PROTOCOL_CONFORMANCES, bool, true, "Enable querying precomputed protocol conformances in the shared " "cache.") #endif #ifndef NDEBUG VARIABLE(SWIFT_DEBUG_RUNTIME_EXCLUSIVITY_LOGGING, bool, false, "Enable the an asserts runtime to emit logging as it works.") #endif #undef VARIABLE