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7d85aa423d
Fix the problem that when the only module can be found is an invalid/out-of-date swift binary module, canImport and import statement can have different view for if the module can be imported or not. Now canImport will evaluate to false if the only module can be found for name is an invalid swiftmodule, with a warning with the path to the module so users will not be surprised by such behavior. rdar://128876895
31 lines
1.5 KiB
Swift
31 lines
1.5 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: split-file %s %t
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// RUN: cp %S/../Serialization/Inputs/too-old/Library.swiftmodule %t/include/Library.swiftmodule
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/// No warning when there is a swiftinterface file even the binary module is invalid.
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// RUN: %target-swift-frontend -scan-dependencies -module-name Test %t/test.swift -module-cache-path %t/clang-module-cache \
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// RUN: -disable-implicit-string-processing-module-import -disable-implicit-concurrency-module-import -parse-stdlib \
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// RUN: -o %t/deps.json -I %t/include 2>&1 | %FileCheck %s --check-prefix=NOWARN --allow-empty
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// NOWARN-NOT: warning:
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/// Issue a warning when only found invalid binary module.
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// RUN: rm %t/include/Library.swiftinterface
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// RUN: %target-swift-frontend -scan-dependencies -module-name Test %t/test.swift -module-cache-path %t/clang-module-cache \
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// RUN: -disable-implicit-string-processing-module-import -disable-implicit-concurrency-module-import -parse-stdlib \
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// RUN: -o %t/deps.json -I %t/include 2>&1 | %FileCheck %s --check-prefix=WARN
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// WARN: warning: canImport() evaluated to false due to invalid swiftmodule
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// RUN: %FileCheck %s --check-prefix=DEP --input-file=%t/deps.json
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// DEP-NOT: Library
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//--- test.swift
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#if canImport(Library)
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import Library
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#endif
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//--- include/Library.swiftinterface
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// swift-interface-format-version: 1.0
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// swift-module-flags: -module-name Library -O -disable-implicit-string-processing-module-import -disable-implicit-concurrency-module-import -parse-stdlib -user-module-version 1.0
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public func foo() {}
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