what's in the file of .swiftmodule?how to open it?

qi_bo · January 12, 2016, 1:57am

as title.

Best

Bob

jrose · January 12, 2016, 6:06pm

Hi, Bob. A swiftmodule file contains serialized ASTs (and possibly SIL)—it's basically a binary file format equivalent to header files for a C framework or library. There's some more information available in Serialization.rst <https://github.com/apple/swift/blob/master/docs/Serialization.rst> in the compiler docs.

You can use the swift-ide-test tool to dump the public interface for a module, but the command-line interface is less pretty than it should be:

swift-ide-test -print-module -source-filename=dummy.swift -module-to-print=MyApp

…plus any -I or -F paths necessary to find your module and all its dependencies. If you're on a Mac, you'll need to insert "xcrun -sdk macosx" or "xcrun -sdk iphoneos" at the start to find the system headers.

Hope that helps,
Jordan

P.S. This is something we should make easier to do outside of Xcode. In Xcode, you can "Jump to Definition" on an import to see the same public interface.

···

On Jan 11, 2016, at 17:57, qibo_cn--- via swift-users <swift-users@swift.org> wrote:

as title.

Best
Bob

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qi_bo · January 14, 2016, 2:22pm

Thanks very much for replying.My OS is Ubuntu 14.04, I build swift on it, but there is no swift-ide-test on install directory.Does this tool could use in Ubuntu 14.04?BrsBob

···

Subject: Re: [swift-users] what's in the file of .swiftmodule?how to open it?
From: jordan_rose@apple.com
Date: Tue, 12 Jan 2016 10:06:04 -0800
CC: swift-users@swift.org
To: qibo_cn@outlook.com

Hi, Bob. A swiftmodule file contains serialized ASTs (and possibly SIL)—it's basically a binary file format equivalent to header files for a C framework or library. There's some more information available in Serialization.rst in the compiler docs.
You can use the swift-ide-test tool to dump the public interface for a module, but the command-line interface is less pretty than it should be:
swift-ide-test -print-module -source-filename=dummy.swift -module-to-print=MyApp
…plus any -I or -F paths necessary to find your module and all its dependencies. If you're on a Mac, you'll need to insert "xcrun -sdk macosx" or "xcrun -sdk iphoneos" at the start to find the system headers.
Hope that helps,Jordan
P.S. This is something we should make easier to do outside of Xcode. In Xcode, you can "Jump to Definition" on an import to see the same public interface.

On Jan 11, 2016, at 17:57, qibo_cn--- via swift-users <swift-users@swift.org> wrote:as title.Best

Bob

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jrose · January 20, 2016, 1:42am

I don't think swift-ide-test is installed by default, but it should still be in your build directory. It's part of the "tools" component if you want to customize your install components.

Jordan

···

On Jan 14, 2016, at 6:22, qibo <qibo_cn@outlook.com> wrote:

Thanks very much for replying.
My OS is Ubuntu 14.04, I build swift on it, but there is no swift-ide-test on install directory.
Does this tool could use in Ubuntu 14.04?
Brs
Bob

Subject: Re: [swift-users] what's in the file of .swiftmodule?how to open it?
From: jordan_rose@apple.com
Date: Tue, 12 Jan 2016 10:06:04 -0800
CC: swift-users@swift.org
To: qibo_cn@outlook.com

Hi, Bob. A swiftmodule file contains serialized ASTs (and possibly SIL)—it's basically a binary file format equivalent to header files for a C framework or library. There's some more information available in Serialization.rst <https://github.com/apple/swift/blob/master/docs/Serialization.rst> in the compiler docs.

You can use the swift-ide-test tool to dump the public interface for a module, but the command-line interface is less pretty than it should be:

swift-ide-test -print-module -source-filename=dummy.swift -module-to-print=MyApp

…plus any -I or -F paths necessary to find your module and all its dependencies. If you're on a Mac, you'll need to insert "xcrun -sdk macosx" or "xcrun -sdk iphoneos" at the start to find the system headers.

Hope that helps,
Jordan

P.S. This is something we should make easier to do outside of Xcode. In Xcode, you can "Jump to Definition" on an import to see the same public interface.

On Jan 11, 2016, at 17:57, qibo_cn--- via swift-users <swift-users@swift.org <mailto:swift-users@swift.org>> wrote:

as title.
Best
Bob
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swift-users@swift.org <mailto:swift-users@swift.org>
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madnik · June 30, 2020, 4:53am

How can I build a tool like swift-ide-test from the source?

Keith · February 28, 2021, 1:48am

Building the compiler through the usual instructions will build it in BUILD_DIR/bin/swift-ide-test

JhonnyBillM · February 28, 2021, 4:46pm

Just for the record, the linked URL was updated from .rst to .md

github.com

apple/swift/blob/main/docs/Serialization.md

# Swift Binary Serialization Format

The fundamental unit of distribution for Swift code is a *module.* A module
contains declarations as an interface for clients to write code against. It may
also contain implementation information for any of these declarations that can
be used to optimize client code. Conceptually, the file containing the
interface for a module serves much the same purpose as the collection of C
header files for a particular library.

Swift's binary serialization format is currently used for several purposes:

- The public interface for a module ("swiftmodule files").

- A representation of captured compiler state after semantic analysis and SIL
  generation, but before LLVM IR generation ("SIB", for "Swift Intermediate
  Binary").

- Debug information about types, for proper high-level introspection without
  running code.

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