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cfda29ccd4
This proposal has been accepted. Move the feature flag from "experimental" to "always enabled". Tracked by rdar://108637367.
39 lines
1.6 KiB
Swift
39 lines
1.6 KiB
Swift
// Expanding macros that are defined in terms of other macros.
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// RUN: %empty-directory(%t)
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// RUN: %host-build-swift -swift-version 5 -emit-library -o %t/%target-library-name(MacroDefinition) -parse-as-library -module-name=MacroDefinition %S/Inputs/syntax_macro_definitions.swift -g -no-toolchain-stdlib-rpath
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// Diagnostics testing
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// RUN: %target-typecheck-verify-swift -swift-version 5 -load-plugin-library %t/%target-library-name(MacroDefinition) -I %swift-host-lib-dir -module-name MacroUser -DTEST_DIAGNOSTICS
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// Execution testing
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// RUN: %target-build-swift -swift-version 5 -load-plugin-library %t/%target-library-name(MacroDefinition) -I %swift-host-lib-dir -L %swift-host-lib-dir %s -o %t/main -module-name MacroUser
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// RUN: %target-codesign %t/main
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// RUN: %target-run %t/main | %FileCheck %s
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// REQUIRES: swift_swift_parser, executable_test
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@freestanding(expression) macro stringify<T>(_ value: T) -> (T, String) = #externalMacro(module: "MacroDefinition", type: "StringifyMacro")
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@freestanding(expression) macro stringifySeven() -> (Int, String) = #stringify(7)
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@freestanding(expression) macro recurse(_: Bool) = #externalMacro(module: "MacroDefinition", type: "RecursiveMacro")
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@freestanding(expression) macro recurseThrough(_ value: Bool) = #recurse(value)
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func testFreestandingExpansionOfOther() {
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// CHECK: ---testFreestandingExpansionOfOther
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print("---testFreestandingExpansionOfOther")
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// CHECK-NEXT: (7, "7")
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print(#stringifySeven)
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#recurseThrough(false)
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#if TEST_DIAGNOSTICS
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#recurseThrough(true)
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// expected-note@-1 {{in expansion of macro 'recurseThrough' here}}
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#endif
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}
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testFreestandingExpansionOfOther()
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