Merge main 2022-11-03

.flake8

@@ -16,7 +16,6 @@ filename =
 
     ./utils/80+-check,
     ./utils/backtrace-check,
-    ./utils/build-parser-lib,
     ./utils/build-script,
     ./utils/check-incremental,
     ./utils/coverage/coverage-build-db,

.github/CODEOWNERS

@@ -0,0 +1,44 @@
+# Lines starting with '#' are comments.
+# Each line is a file pattern followed by one or more owners.
+# Order is important. The last matching pattern has the most precedence.
+
+# Owners of ASTGen
+lib/ASTGen @zoecarver @CodaFi
+
+# Dependency scanning
+include/swift/DependencyScan                 @artemcm
+lib/AST/ModuleLoader.cpp                     @artemcm
+lib/DependencyScan                           @artemcm
+lib/Frontend/ModuleInterfaceLoader.cpp       @artemcm
+lib/Serialization/SerializedModuleLoader.cpp @artemcm
+test/ScanDependencies                        @artemcm
+
+# Driver
+include/swift/Driver @artemcm
+lib/Driver           @artemcm
+test/Driver          @artemcm
+
+# Owners of the parser
+include/swift/Parse @ahoppen @bnbarham @CodaFi @DougGregor @rintaro
+lib/Parse           @ahoppen @bnbarham @CodaFi @DougGregor @rintaro
+test/Parse          @ahoppen @bnbarham @CodaFi @DougGregor @rintaro
+
+SwiftCompilerSources @eeckstein
+
+# C++ Interop
+include/swift/ClangImporter @zoecarver @hyp @egorzhdan
+include/swift/PrintAsClang  @zoecarver @hyp @egorzhdan
+lib/ClangImporter           @zoecarver @hyp @egorzhdan
+lib/PrintAsClang            @zoecarver @hyp @egorzhdan
+stdlib/public/Cxx           @zoecarver @hyp @egorzhdan
+test/Interop                @zoecarver @hyp @egorzhdan
+
+# Threading implementation
+include/swift/Threading @al45tair
+lib/Threading           @al45tair
+
+# Windows support
+cmake/**/*Windows*    @compnerd
+lib/Basic/Windows     @compnerd
+stdlib/public/Windows @compnerd
+utils/*windows*       @compnerd

.github/ISSUE_TEMPLATE/bug_report.md

@@ -2,30 +2,44 @@
 name: Bug report
 about: Create a report to help us improve
 title: ''
-labels: bug
+labels: bug, triage needed
 assignees: ''
 
 ---
 
-**Describe the bug**
-A clear and concise description of what the bug is.
-
-**Steps To Reproduce**
-Steps to reproduce the behavior:
-1.
-2.
-...
+<!--
+This repository tracks issues related to the implementation of the Swift
+compiler, standard library, runtime, and tools that provide IDE support for
+Swift (e.g. code completion). If the bug relates to the implementation of a
+proprietary (closed-source) Apple framework such as UIKit, SwiftUI, Combine,
+etc., please report it to https://feedbackassistant.apple.com instead.
+-->
+
+**Description**
+<!-- Describe clearly and concisely what the bug is. -->
+
+**Steps to reproduce**
+<!--
+Explain how to reproduce the problem (in steps if seen fit) and include either
+an inline test case (preferred) or a project that reproduces it. Consider
+reducing the sample to the smallest amount of code possible — a smaller test
+case is easier to reason about and more appealing to сontributors.
+-->
 
 **Expected behavior**
-A clear and concise description of what you expected to happen.
-
-**Screenshots**
-If applicable, add screenshots to help explain your problem.
-
-**Environment (please fill out the following information)**
- - OS: [e.g. macOS 11.0]
- - Xcode Version/Tag/Branch:
-
-
-**Additional context**
-Add any other context about the problem here.
+<!-- Describe what you expected to happen. -->
+
+<!-- If deemed helpful, add screenshots that showcase the problem. -->
+<!-- **Screenshots** -->
+
+<!--
+Include information about the Swift compiler version and, if applicable, the
+Xcode version you are observing the problem in and the deployment target.
+-->
+**Environment**
+- Swift compiler version info <!-- replace with the output of 'swiftc -version' -->
+- Xcode version info <!-- replace with the output of 'xcodebuild -version' -->
+- Deployment target: <!-- e.g. iOS 12.3 -->
+
+<!-- Add any other context about the problem as appropriate. -->
+<!-- **Additional context** -->

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,20 +1,49 @@
 ---
 name: Feature request
-about: Suggest an idea for this project
+about: Share an idea
 title: ''
-labels: New Feature
+labels: feature request, triage needed
 assignees: ''
 
 ---
 
-**Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+<!--
+This repository tracks issues and requests related to the implementation of the
+Swift compiler, standard library, runtime, and tools that provide IDE support
+for Swift (e.g. code completion). If your feature request relates to the
+implementation of a proprietary (closed-source) Apple framework such as UIKit,
+SwiftUI, Combine, etc., please report it to https://feedbackassistant.apple.com
+instead.
 
-**Describe the solution you'd like**
-A clear and concise description of what you want to happen.
+If you haven't found or started a thread on the Swift forums yet, consider
+socializing your idea in the "Discussion" subcategory
+(https://forums.swift.org/c/evolution/discuss) after submitting this request.
+This is an essential step toward the official review of any proposal concerning
+language or library design, and while GitHub issues do great for tracking
+purposes, the forums are far better ground for drawing attention to ideas and
+gauging interest from the community.
 
-**Describe alternatives you've considered**
-A clear and concise description of any alternative solutions or features you've considered.
+For more information on how ideas are proposed, discussed, and reviewed, see
+https://swift.org/swift-evolution
+-->
 
-**Additional context**
-Add any other context or screenshots about the feature request here.
+**Motivation**
+<!-- Describe the problem that your feature seeks to address. -->
+
+**Solution**
+<!--
+Describe your solution to the problem. Provide examples and describe how
+they work.
+-->
+
+**Alternatives considered**
+<!--
+Describe any alternative approaches or features that you have considered in
+addressing the problem, and why you chose this approach instead.
+-->
+
+<!--
+Add any other context about your feature as appropriate. For example, link out
+to a discussion on the Swift forums (https://forums.swift.org).
+-->
+<!-- **Additional context** -->

.github/scripts/build-matrix.rb

@@ -0,0 +1,106 @@
+require "json"
+require "optparse"
+
+BASE_MATRIX_ENTRIES = [
+  {
+    "build_os": "ubuntu-18.04",
+    "agent_query": "ubuntu-18.04",
+    "target": "ubuntu18.04_x86_64",
+    "container": "ghcr.io/swiftwasm/swift-ci:main-ubuntu-18.04",
+    "run_stdlib_test": true,
+    "run_full_test": false,
+    "run_e2e_test": true,
+    "build_hello_wasm": true,
+    "clean_build_dir": false,
+    "free_disk_space": true
+  },
+  {
+    "build_os": "ubuntu-20.04",
+    "agent_query": "ubuntu-20.04",
+    "target": "ubuntu20.04_x86_64",
+    "container": "ghcr.io/swiftwasm/swift-ci:main-ubuntu-20.04",
+    "run_stdlib_test": true,
+    "run_full_test": false,
+    "run_e2e_test": true,
+    "build_hello_wasm": true,
+    "clean_build_dir": false,
+    "free_disk_space": true
+  },
+  {
+    "build_os": "ubuntu-22.04",
+    "agent_query": "ubuntu-22.04",
+    "target": "ubuntu22.04_x86_64",
+    "container": "ghcr.io/swiftwasm/swift-ci:main-ubuntu-22.04",
+    "run_stdlib_test": true,
+    "run_full_test": false,
+    "run_e2e_test": true,
+    "build_hello_wasm": true,
+    "clean_build_dir": false,
+    "free_disk_space": true
+  },
+  {
+    "build_os": "macos-11",
+    "agent_query": "macos-11",
+    "target": "macos_x86_64",
+    "run_stdlib_test": false,
+    "run_full_test": false,
+    "run_e2e_test": false,
+    "build_hello_wasm": false,
+    "clean_build_dir": false
+  },
+  {
+    "build_os": "macos-11",
+    "agent_query": ["self-hosted", "macOS", "ARM64"],
+    "target": "macos_arm64",
+    "run_stdlib_test": false,
+    "run_full_test": false,
+    "run_e2e_test": false,
+    "build_hello_wasm": true,
+    "clean_build_dir": true
+  }
+]
+
+def main
+  options = {}
+  OptionParser.new do |opts|
+    opts.banner = "Usage: build-matrix.rb [options]"
+    opts.on("--runner [JSON FILE]", "Path to runner data file") do |v|
+      options[:runner] = v
+    end
+  end.parse!
+
+  matrix_entries = BASE_MATRIX_ENTRIES.dup
+  if options[:runner]
+    runner = JSON.parse(File.read(options[:runner]))
+    if label = runner["outputs"]["ubuntu20_04_aarch64-label"]
+      matrix_entries << {
+        "build_os": "amazon-linux-2",
+        "agent_query": label,
+        "target": "amazonlinux2_x86_64",
+        "run_stdlib_test": false,
+        "run_full_test": false,
+        "run_e2e_test": false,
+        "build_hello_wasm": true,
+        "clean_build_dir": false
+      }
+    end
+    if label = runner["outputs"]["ubuntu20_04_aarch64-label"]
+      matrix_entries << {
+        "build_os": "ubuntu-20.04",
+        "agent_query": label,
+        "target": "ubuntu20.04_aarch64",
+        "run_stdlib_test": false,
+        "run_full_test": false,
+        "run_e2e_test": false,
+        "build_hello_wasm": true,
+        "clean_build_dir": false
+      }
+    end
+  end
+
+  print JSON.generate(matrix_entries)
+end
+
+if $0 == __FILE__
+  main
+end