fourmolu (Haskell formatter)

.github/workflows/fourmolu.yml

@@ -0,0 +1,21 @@
+name: fourmolu
+
+on:
+  push:
+    branches: [ master, dev ]
+    paths: [ '**.hs' ]
+  pull_request_target:
+    branches: [ master, dev ]
+    paths: [ '**.hs' ]
+
+jobs:
+  format:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+
+      - uses: haskell-actions/run-fourmolu@v11
+        with:
+          version: "0.17.0.0"
+          follow-symbolic-links: false
+          working-directory: "./compiler"

compiler/Makefile

@@ -11,6 +11,13 @@ clean:
 	rm -rf ../bin
 # If problems still persist after this, remove all GHC compilers in ~/.stack/programs/**/
 
+# https://github.com/fourmolu/fourmolu
+format:
+	fourmolu -i *.hs */*.hs
+
+format/check:
+	fourmolu --mode check *.hs */*.hs
+
 ghci-irtester:
 	stack ghci --main-is Troupe-compiler:exe:irtester --no-load
 

compiler/README.md

@@ -1 +1,5 @@
-# PicoML-compiler
+# TroupeC: Troupe Compiler
+
+## Formatting
+
+The Haskell code is formatted with [`fourmolu`](https://github.com/fourmolu/fourmolu).

compiler/Setup.hs

@@ -1,2 +1,3 @@
 import Distribution.Simple
+
 main = defaultMain