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For the explicit module mode, swift-driver uses -compile-module-from-interface to generate modules from interfaces found by the dependency scanner. However, we don't need to build the binary module if up-to-date modules are available, either adjacent to the interface file or in the prebuilt module cache directory. This patch teaches dependencies scanner to report these ready-to-use binary modules.
38 lines
2.3 KiB
Swift
38 lines
2.3 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %empty-directory(%t/Foo.swiftmodule)
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// RUN: %empty-directory(%t/ResourceDir/%target-sdk-name/prebuilt-modules/Foo.swiftmodule)
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// RUN: echo "public func foo() {}" > %t/Foo.swift
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import Foo
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// HAS_COMPILED: "compiledModulePath": "{{.*}}Foo.swiftmodule{{.*}}.swiftmodule"
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// HAS_NO_COMPILED-NOT: "compiledModulePath": "{{.*}}Foo.swiftmodule{{.*}}.swiftmodule"
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// Step 1: build swift interface and swift module side by side
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// RUN: %target-swift-frontend -emit-module %t/Foo.swift -emit-module-path %t/Foo.swiftmodule/%target-swiftmodule-name -module-name Foo -emit-module-interface-path %t/Foo.swiftmodule/%target-swiftinterface-name
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// Step 2: scan dependency should give us the binary module adjacent to the interface file.
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// RUN: %target-swift-frontend -scan-dependencies %s -o %t/deps.json -I %t -emit-dependencies -emit-dependencies-path %t/deps.d
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// RUN: %FileCheck %s -check-prefix=HAS_COMPILED < %t/deps.json
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// Step 3: remove the adjacent module.
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// RUN: rm %t/Foo.swiftmodule/%target-swiftmodule-name
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// Step 4: scan dependency should give us the interface file.
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// RUN: %target-swift-frontend -scan-dependencies %s -o %t/deps.json -I %t -emit-dependencies -emit-dependencies-path %t/deps.d
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// RUN: %FileCheck %s -check-prefix=HAS_NO_COMPILED < %t/deps.json
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// Step 4: build prebuilt module cache using the interface.
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// RUN: %target-swift-frontend -compile-module-from-interface -o %t/ResourceDir/%target-sdk-name/prebuilt-modules/Foo.swiftmodule/%target-swiftmodule-name -module-name Foo -disable-interface-lock %t/Foo.swiftmodule/%target-swiftinterface-name
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// Step 5: scan dependency now should give us the prebuilt module cache
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// RUN: %target-swift-frontend -scan-dependencies %s -o %t/deps.json -I %t -emit-dependencies -emit-dependencies-path %t/deps.d -sdk %t -prebuilt-module-cache-path %t/ResourceDir/%target-sdk-name/prebuilt-modules
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// RUN: %FileCheck %s -check-prefix=HAS_COMPILED < %t/deps.json
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// Step 6: update the interface file from where the prebuilt module cache was built.
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// RUN: touch %t/Foo.swiftmodule/%target-swiftinterface-name
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// Step 4: scan dependency should give us the interface file.
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// RUN: %target-swift-frontend -scan-dependencies %s -o %t/deps.json -I %t -emit-dependencies -emit-dependencies-path %t/deps.d
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// RUN: %FileCheck %s -check-prefix=HAS_NO_COMPILED < %t/deps.json
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