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[SR-5734] SPM build process depends on file names #48304

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swift-ci opened this issue Aug 22, 2017 · 1 comment
Closed

[SR-5734] SPM build process depends on file names #48304

swift-ci opened this issue Aug 22, 2017 · 1 comment
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself

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@swift-ci
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Previous ID SR-5734
Radar None
Original Reporter antondomashnev (JIRA User)
Type Bug
Status Resolved
Resolution Duplicate
Environment

Apple Swift Package Manager - Swift 3.1.0 (swiftpm-12084)

Apple Swift version 3.1 (swiftlang-802.0.53 clang-802.0.42)

Target: x86_64-apple-macosx10.9

Additional Detail from JIRA
Votes 2
Component/s Compiler
Labels Bug
Assignee None
Priority Medium

md5: 299626cc4de69e64759d314e4fd01cd9

duplicates:

  • SR-631 Extensions in different files do not recognize each other

Issue Description:

Sample input below

// Base.swift
enum Base {}

// Child.swift
extension Base {
  enum Child {}
}

// Child+Functions.swift
extension Base.Child {
  static func name() -> String {
    return "Name"
  }
}

Fails if build with SPM with issues:

swift build

/Users/antondomashnev/Work/SPMIssueReport/Sources/Child+Functions.swift:11:16: error: 'Child' is not a member type of 'Base'
extension Base.Child {
          ~~~~ ^
/Users/antondomashnev/Work/SPMIssueReport/Sources/Child+Functions.swift:11:16: error: 'Child' is not a member type of 'Base'
extension Base.Child {
          ~~~~ ^
/Users/antondomashnev/Work/SPMIssueReport/Sources/Child+Functions.swift:11:16: error: 'Child' is not a member type of 'Base'
extension Base.Child {
          ~~~~ ^
<unknown>:0: error: build had 1 command failures

If rename file

Child.swift -> Child+Base.swift

it compiles without errors. So I've made an assumption that it sorts file names probably alphabetically and `Child+Functions.swift` goes before `Child.swift`, but after `Child+Base.swift`. To check if the assumption makes sense I've tried to rename `Child+Base.swift` into `Child+Something.swift` so alphabetically it should go after `Child+Functions.swift` and the build failed.

I've created a sample project so you can check the code: https://github.com/Antondomashnev/SPMIssue
@ankitspd
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This is a compiler bug. I verified that this reproduces and works if I change the order of files in swiftc command line invocation.

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself
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@ankitspd @swift-ci