From 45471084484d18a7496d2318729f6206294fa2fa Mon Sep 17 00:00:00 2001
From: eileencodes <eileencodes@gmail.com>
Date: Tue, 5 Dec 2023 14:06:01 -0500
Subject: [PRISM] Implement `PM_KEYWORD_HASH_NODE` for `defined?`

Ruby code:

```ruby
defined? [a: [:b, :c]]
```

Instructions (without optimizations):

```
"********* Ruby *************"
== disasm: #<ISeq:<compiled>@<compiled>:0 (0,0)-(0,23)>
== catch table
| catch type: rescue st: 0001 ed: 0007 sp: 0000 cont: 0009
| == disasm: #<ISeq:defined guard in <compiled>@<compiled>:0 (0,0)-(-1,-1)>
| local table (size: 1, argc: 0 [opts: 0, rest: -1, post: 0, block: -1, kw: -1@-1, kwrest: -1])
| [ 1] "$!"@0
| 0000 putnil
| 0001 leave
|------------------------------------------------------------------------
0000 putnil
0001 putobject                              true
0003 branchunless                           9
0005 putobject                              "expression"
0007 swap
0008 pop
0009 leave

"********* PRISM *************"
== disasm: #<ISeq:<compiled>@<compiled>:0 (0,0)-(0,23)>
== catch table
| catch type: rescue st: 0000 ed: 0009 sp: 0000 cont: 0009
| == disasm: #<ISeq:defined guard in <compiled>@<compiled>:0 (0,0)-(-1,-1)>
| local table (size: 1, argc: 0 [opts: 0, rest: -1, post: 0, block: -1, kw: -1@-1, kwrest: -1])
| [ 1] "$!"@0
| 0000 putnil
| 0001 leave
|------------------------------------------------------------------------
0000 putnil
0001 putobject                              true
0003 branchunless                           9
0005 putobject                              "expression"
0007 swap
0008 pop
0009 leave
```

Instructions (with optimizations):

```
"********* Ruby *************"
== disasm: #<ISeq:<compiled>@<compiled>:0 (0,0)-(0,23)>
== catch table
| catch type: rescue st: 0001 ed: 0003 sp: 0000 cont: 0005
| == disasm: #<ISeq:defined guard in <compiled>@<compiled>:0 (0,0)-(-1,-1)>
| local table (size: 1, argc: 0 [opts: 0, rest: -1, post: 0, block: -1, kw: -1@-1, kwrest: -1])
| [ 1] "$!"@0
| 0000 putnil
| 0001 leave
|------------------------------------------------------------------------
0000 putnil
0001 putobject                              "expression"
0003 swap
0004 pop
0005 leave

"********* PRISM *************"
== disasm: #<ISeq:<compiled>@<compiled>:0 (0,0)-(0,23)>
== catch table
| catch type: rescue st: 0000 ed: 0005 sp: 0000 cont: 0005
| == disasm: #<ISeq:defined guard in <compiled>@<compiled>:0 (0,0)-(-1,-1)>
| local table (size: 1, argc: 0 [opts: 0, rest: -1, post: 0, block: -1, kw: -1@-1, kwrest: -1])
| [ 1] "$!"@0
| 0000 putnil
| 0001 leave
|------------------------------------------------------------------------
0000 putnil
0001 putobject                              "expression"
0003 swap
0004 pop
0005 leave
```
---
 test/ruby/test_compile_prism.rb | 1 +
 1 file changed, 1 insertion(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_compile_prism.rb b/test/ruby/test_compile_prism.rb
index d403901f1a..f58b530368 100644
--- a/test/ruby/test_compile_prism.rb
+++ b/test/ruby/test_compile_prism.rb
@@ -127,6 +127,7 @@ module Prism
 
       assert_prism_eval("defined? [*b]")
       assert_prism_eval("defined? [[*1..2], 3, *4..5]")
+      assert_prism_eval("defined? [a: [:b, :c]]")
 
       assert_prism_eval("defined? @a")
       assert_prism_eval("defined? $a")
-- 
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