Files
swift-mirror/test/ConstValues/DiagModules.swift
Artem Chikin d8176a7e89 [Compile Time Values] Add syntactic verification of valid expressions in '@const' contexts
Syntactically verify that initializer expressions of '@const' variables and argument expressions to '@const' parameters consist strictly of syntactically-verifiable set of basic values and operations
2025-05-20 09:38:36 -07:00

23 lines
957 B
Swift

// Constant globals should "work" even when used across files in non-WMO builds.
// REQUIRES: swift_feature_CompileTimeValues
// REQUIRES: swift_feature_CompileTimeValuesPreview
// RUN: %empty-directory(%t)
// RUN: split-file %s %t
// RUN: %target-swift-frontend -emit-module -o %t/MyModule.swiftmodule %t/MyModule.swift -parse-as-library -enable-experimental-feature CompileTimeValues -enable-experimental-feature CompileTimeValuesPreview
// RUN: %target-swift-frontend -emit-ir -I %t %t/Main.swift -verify -enable-experimental-feature CompileTimeValues -enable-experimental-feature CompileTimeValuesPreview
//--- MyModule.swift
public func foo() -> Int {
return 42
}
//--- Main.swift
import MyModule
@const let constGlobal1: Int = foo()
// expected-error@-1 {{'@const' value should be initialized with a compile-time value}}
// expected-error@-2 {{global variable must be a compile-time constant}} // Remove this once we common out the diagnostics