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[SR-13603] public let bindings missing from swiftinterface (!) #56038

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typesanitizer opened this issue Sep 24, 2020 · 3 comments
Closed

[SR-13603] public let bindings missing from swiftinterface (!) #56038

typesanitizer opened this issue Sep 24, 2020 · 3 comments
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself library evolution Feature: library evolution (umbrella feature for features that facilitate resilient libraries)

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@typesanitizer
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Previous ID SR-13603
Radar rdar://problem/69530808
Original Reporter @typesanitizer
Type Bug
Status Closed
Resolution Duplicate
Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, LibraryEvolution
Assignee None
Priority Medium

md5: e1730ec4b0f59f6aedd37a1acc57cba0

duplicates:

  • SR-13790 emit-module-interface mishandles top-level let bindings

Issue Description:

$ cat hello.swift
public let hello : String = "hello"
$ xcrun swiftc hello.swift -enable-library-evolution -emit-module-interface-path hello.swiftinterface
$ cat hello.swiftinterface
// flags blah blah
import Swift

It's surprising that there is no public let hello : String in the swiftinterface. Surely this is a bug? Tested with Xcode 12 as well as master.
@typesanitizer
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@swift-ci create

@slavapestov
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Top-level globals in the main source file are not part of a module's public interface. You need to pass -parse-as-library, too.

However I notice that there's still a bug because we print the global variable as a "var", making it mutable, which is not correct.

@typesanitizer
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Closing this in favor of https://bugs.swift.org/browse/SR-13790

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
This issue was closed.
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself library evolution Feature: library evolution (umbrella feature for features that facilitate resilient libraries)
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@slavapestov @typesanitizer