From f7150a004e26f446fbf7a47bae368f209248fa67 Mon Sep 17 00:00:00 2001
From: Li Jin <dragon-fly@qq.com>
Date: Tue, 26 Jul 2022 11:34:34 +0800
Subject: make destructuring work on function multiple returned values, fix `a,
 b[] = 1` crashing issue, no longer support implicit declaring variable to be
 nil.

---
 spec/inputs/destructure.yue  |  8 ++++++--
 spec/inputs/local.yue        |  2 +-
 spec/inputs/syntax.yue       |  2 +-
 spec/outputs/destructure.lua | 21 +++++++++++++++++++++
 spec/outputs/local.lua       |  2 +-
 spec/outputs/syntax.lua      |  2 +-
 6 files changed, 31 insertions(+), 6 deletions(-)

(limited to 'spec')

diff --git a/spec/inputs/destructure.yue b/spec/inputs/destructure.yue
index 24282c0..53f9ea3 100644
--- a/spec/inputs/destructure.yue
+++ b/spec/inputs/destructure.yue
@@ -12,7 +12,7 @@ do
 	{:a,:b,:c,:d} = yeah
 
 	{a}, b = one, two
-	{b}, c = one
+	{b}, c = one, nil
 	{d}, e = one, two
 
 	x, {y} = one, two
@@ -22,7 +22,7 @@ do
 
 	{a, :b, c, :d, e, :f, g} = tbl
 
-	do :a, :b, c = tbl
+	do :a, :b, c = tbl, nil
 
 	do a, :b, :c = tbl, _
 
@@ -187,3 +187,7 @@ do
 do
 	const :width, :height = View.size
 	const {:x = 0.0, :y = 0.0} = point
+
+do
+	x1, x2, x3, a[], d, {b}, e, c.# = 1, 2, 3, f!
+	y1, :y2, :y3, y4 = f1!, f2!
diff --git a/spec/inputs/local.yue b/spec/inputs/local.yue
index 8e04742..a801fb7 100644
--- a/spec/inputs/local.yue
+++ b/spec/inputs/local.yue
@@ -3,7 +3,7 @@ do
 	local a
 	local a,b,c
 
-	b,g = 23232
+	b,g = 23232,nil
 
 
 do
diff --git a/spec/inputs/syntax.yue b/spec/inputs/syntax.yue
index d18bd0e..e274f1a 100644
--- a/spec/inputs/syntax.yue
+++ b/spec/inputs/syntax.yue
@@ -2,7 +2,7 @@
 
 a = 1 + 2* 3 / 6
 
-a, bunch, go, here = another, world
+a, bunch, go, here = another, world, nil, nil
 
 func arg1, arg2, another, arg3
 
diff --git a/spec/outputs/destructure.lua b/spec/outputs/destructure.lua
index 59ee358..dfac42c 100644
--- a/spec/outputs/destructure.lua
+++ b/spec/outputs/destructure.lua
@@ -407,3 +407,24 @@ do
 		end
 	end
 end
+do
+	local x1, x2, x3, d, e
+	local b
+	do
+		local _obj_0, _obj_1, _obj_2, _obj_3, _obj_4 = f()
+		do
+			local _obj_5 = a
+			_obj_5[#_obj_5 + 1] = _obj_0
+		end
+		setmetatable(c, _obj_4)
+		x1, x2, x3, d, e = 1, 2, 3, _obj_1, _obj_3
+		b = _obj_2[1]
+	end
+	local y1, y4
+	local y2, y3
+	do
+		local _obj_0, _obj_1 = f2()
+		y1, y4 = f1(), _obj_1
+		y2, y3 = _obj_0.y2, _obj_0.y3
+	end
+end
diff --git a/spec/outputs/local.lua b/spec/outputs/local.lua
index 524d9ef..5004e75 100644
--- a/spec/outputs/local.lua
+++ b/spec/outputs/local.lua
@@ -2,7 +2,7 @@ do
 	local a
 	local a, b, c
 	local g
-	b, g = 23232
+	b, g = 23232, nil
 end
 do
 	local x = 1212
diff --git a/spec/outputs/syntax.lua b/spec/outputs/syntax.lua
index a4cb8e2..22b6b80 100644
--- a/spec/outputs/syntax.lua
+++ b/spec/outputs/syntax.lua
@@ -1,6 +1,6 @@
 local a = 1 + 2 * 3 / 6
 local bunch, go, here
-a, bunch, go, here = another, world
+a, bunch, go, here = another, world, nil, nil
 func(arg1, arg2, another, arg3)
 local we
 here, we = function() end, yeah
-- 
cgit v1.2.3-55-g6feb