From 1c3b1a4385447478cff9101775df1617d1c9f142 Mon Sep 17 00:00:00 2001
From: Falco Peijnenburg <falco.peijnenburg@channable.com>
Date: Sun, 31 Dec 2023 16:09:53 +0100
Subject: [PATCH] Have `format: multiline` use the python-style printing

---
 src/GLua/AG/PrettyPrint.ag             | 19 +++++-
 tests/golden/data/output/issue-148.lua | 88 +++++++++++++++++++-------
 2 files changed, 82 insertions(+), 25 deletions(-)

diff --git a/src/GLua/AG/PrettyPrint.ag b/src/GLua/AG/PrettyPrint.ag
index e389aff..cdf4383 100644
--- a/src/GLua/AG/PrettyPrint.ag
+++ b/src/GLua/AG/PrettyPrint.ag
@@ -419,7 +419,8 @@ sem MStat
 
 sem MExprList
     | Cons
-        lhs.pretty =
+        lhs.pretty = if @lhs.forceMultiline then @loc.prettyForcedMultiline else @loc.prettyNotForcedMultiline
+        loc.prettyNotForcedMultiline =
             -- If there are comments before the line, render the this part as multiline
             (if @loc.startsWithNewline then
                 zchr '\n' <>
@@ -434,6 +435,12 @@ sem MExprList
                   indent @lhs.ppconf (@lhs.indent + 1) @tl.pretty
                 else
                   @tl.pretty)
+        loc.prettyForcedMultiline =
+            renderMLComments @lhs.ppconf @lhs.indent (fst @loc.commentsBeforeLine)
+            $+$ indent @lhs.ppconf (@lhs.indent) @hd.pretty
+            <> @loc.comma
+            <-> renderSLComments @lhs.ppconf @lhs.indent (fst @loc.commentsAfter)
+            $+$ @tl.pretty
         loc.comma =
            if @tl.isLast then
                empty
@@ -1073,10 +1080,16 @@ sem Expr
 
 sem Args
     | ListArgs
-        lhs.pretty = parens @lhs.ppconf @loc.emptyParams @args.pretty
+        lhs.pretty =
+            if @lhs.forceMultiline then
+                zchr '(' $+$
+                @args.pretty $+$
+                indent @lhs.ppconf @lhs.indent (zchr ')')
+            else
+                parens @lhs.ppconf @loc.emptyParams @args.pretty
         lhs.isMultiline = @args.isMultiline
         loc.emptyParams = toEmpty $ null @args.copy
-        args.indent = @lhs.indent
+        args.indent = if @lhs.forceMultiline then @lhs.indent + 1 else @lhs.indent
         args.someElementsInListAreMultiline = False
     | TableArg
         lhs.pretty = if @arg.isMultiline then @loc.prettyMulti else @loc.prettySingle
diff --git a/tests/golden/data/output/issue-148.lua b/tests/golden/data/output/issue-148.lua
index 4c10d47..d2b8e64 100644
--- a/tests/golden/data/output/issue-148.lua
+++ b/tests/golden/data/output/issue-148.lua
@@ -14,21 +14,43 @@ end
 
 -- format: multiline
 local normalSounds = {
-    Sound("honk1.wav"),
-    Sound("honk2.wav"),
-    Sound("honk3.wav"),
-    Sound("honk4.wav")
+    Sound(
+        "honk1.wav"
+    ),
+    Sound(
+        "honk2.wav"
+    ),
+    Sound(
+        "honk3.wav"
+    ),
+    Sound(
+        "honk4.wav"
+    )
 }
 
 -- format: multiline
-render.DrawBeam(self.StartPos - norm, -- Start
-    self.EndPos, -- End
-    64 * (1 - self.Life), -- Width
-    texcoord, -- Start tex coord
-    texcoord + self.Length / 128, -- End tex coord
+render.DrawBeam(
+    self.StartPos - norm,  -- Start
+    self.EndPos,  -- End
+    64 * (1 - self.Life),  -- Width
+    texcoord,  -- Start tex coord
+    texcoord + self.Length / 128,  -- End tex coord
     Color(
-    -- Color (optional)
-    Lerp(self.Life, 255, 50), Lerp(self.Life, 100, 50), 255, 255))
+        -- Color (optional)
+        Lerp(
+            self.Life, 
+            255, 
+            50
+        ), 
+        Lerp(
+            self.Life, 
+            100, 
+            50
+        ), 
+        255, 
+        255
+    )
+)
 
 -- format: multiline
 function a()
@@ -42,23 +64,45 @@ end
 
 --[[ format: multiline ]]
 local normalSounds = {
-    Sound("honk1.wav"),
-    Sound("honk2.wav"),
-    Sound("honk3.wav"),
-    Sound("honk4.wav")
+    Sound(
+        "honk1.wav"
+    ),
+    Sound(
+        "honk2.wav"
+    ),
+    Sound(
+        "honk3.wav"
+    ),
+    Sound(
+        "honk4.wav"
+    )
 }
 
 --[[
 format: multiline
 ]]
-render.DrawBeam(self.StartPos - norm, -- Start
-    self.EndPos, -- End
-    64 * (1 - self.Life), -- Width
-    texcoord, -- Start tex coord
-    texcoord + self.Length / 128, -- End tex coord
+render.DrawBeam(
+    self.StartPos - norm,  -- Start
+    self.EndPos,  -- End
+    64 * (1 - self.Life),  -- Width
+    texcoord,  -- Start tex coord
+    texcoord + self.Length / 128,  -- End tex coord
     Color(
-    -- Color (optional)
-    Lerp(self.Life, 255, 50), Lerp(self.Life, 100, 50), 255, 255))
+        -- Color (optional)
+        Lerp(
+            self.Life, 
+            255, 
+            50
+        ), 
+        Lerp(
+            self.Life, 
+            100, 
+            50
+        ), 
+        255, 
+        255
+    )
+)
 
 local normalSounds = {Sound("honk1.wav"), Sound("honk2.wav"), Sound("honk3.wav"), Sound("honk4.wav")}
 render.DrawBeam(self.StartPos - norm, -- Start