Support Linux

.github/workflows/swift.yml

@@ -7,10 +7,17 @@ on:
     branches: [ "main" ]
 
 jobs:
-  build:
+  build-linux:
+    runs-on: ubuntu-latest
+    container: swiftlang/swift:nightly-main-focal-slim
+    steps:
+    - uses: actions/checkout@v3
+    - run: swift --version
+    - run: swift build
+    - run: swift test
 
+  build-macos:
     runs-on: macos-13
-
     steps:
     - uses: actions/checkout@v3
     - name: Select Xcode
@@ -24,9 +31,6 @@ jobs:
         curl -LO $TOOLCHAIN_URL
         installer -target CurrentUserHomeDirectory -pkg $VERSION-osx.pkg
         echo "PATH=$HOME/Library/Developer/Toolchains/$VERSION.xctoolchain/usr/bin:${PATH}" >> $GITHUB_ENV
-    - name: Get Swift version
-      run: swift --version
-    - name: Build
-      run: swift build
-    - name: Run tests
-      run: swift test
+    - run: swift --version
+    - run: swift build
+    - run: swift test

Benchmarks/Package.resolved

@@ -86,8 +86,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-syntax",
       "state" : {
-        "branch" : "swift-DEVELOPMENT-SNAPSHOT-2023-08-29-a",
-        "revision" : "e99a57389920382f1a8a9b63bda04f4eadc69d49"
+        "revision" : "7bb5231dad28c6dceabf7a439867f39d2c105e4f",
+        "version" : "509.0.0-swift-DEVELOPMENT-SNAPSHOT-2023-09-05-a"
       }
     },
     {

Package.resolved

@@ -5,8 +5,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-syntax",
       "state" : {
-        "branch" : "swift-DEVELOPMENT-SNAPSHOT-2023-08-26-a",
-        "revision" : "1248cf7afd01aacbb8f11b684724793c4f2fd4b2"
+        "revision" : "7bb5231dad28c6dceabf7a439867f39d2c105e4f",
+        "version" : "509.0.0-swift-DEVELOPMENT-SNAPSHOT-2023-09-05-a"
       }
     }
   ],

Package.swift

@@ -10,7 +10,7 @@ let package = Package(
         .library(name: "Tokenizer", targets: ["Tokenizer"])
     ],
     dependencies: [
-        .package(url: "https://github.com/apple/swift-syntax", revision: "swift-DEVELOPMENT-SNAPSHOT-2023-08-29-a"),
+        .package(url: "https://github.com/apple/swift-syntax", from: "509.0.0-swift-DEVELOPMENT-SNAPSHOT-2023-09-05-a"),
     ],
     targets: [
         .target(

README.md

@@ -2,20 +2,15 @@
 
 This is a web browser engine written in Swift, and is partially inspired by Servo's [html5ever](https://github.com/servo/html5ever). **This project is in a very early stage.**
 
-## Building
-
-### Linux
+## Prerequisites
 
-TODO ([The main blocker is the lack of macros support in Linux.](https://forums.swift.org/t/65427))
+- Linux
+  - Swift nightly toolchain (available from [development snapshots](https://www.swift.org/download/) or [nightly Docker images](https://hub.docker.com/r/swiftlang/swift))
+- macOS
+  - Xcode 15 or later
+  - Swift nightly toolchain (available from [development snapshots](https://www.swift.org/download/))
 
-### macOS
-
-You need:
-
-- Xcode 15 or later
-- Swift nightly toolchain
-
-And then, run the following command to build the source code.
+## Building
 
 ```shell
 swift build