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[Prism] Implement defined? for PM_CONSTANT_PATH_WRITE_NODE

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Ruby code:

```ruby
defined?(Prism::CPWN = 1)
```

Instructions:

```
"********* Ruby *************"
== disasm: #<ISeq:<compiled>@<compiled>:1 (1,0)-(59,58)>
0000 putobject                              "assignment"              (  59)[Li]
0002 leave
"********* PRISM *************"
== disasm: #<ISeq:<compiled>@<compiled>:58 (58,0)-(58,58)>
0000 putobject                              "assignment"              (  58)[Li]
0002 leave
```

Related: ruby/prism#2188
This commit is contained in:
eileencodes 2024-01-17 10:18:02 -05:00 committed by Aaron Patterson
parent 54b8330e45
commit e217c5772b
2 changed files with 2 additions and 0 deletions
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1
prism_compile.c
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@ -2698,6 +2698,7 @@ pm_compile_defined_expr0(rb_iseq_t *iseq, const pm_node_t *node, LINK_ANCHOR *co
case PM_CONSTANT_PATH_AND_WRITE_NODE:
case PM_CONSTANT_PATH_OPERATOR_WRITE_NODE:
case PM_CONSTANT_PATH_OR_WRITE_NODE:
case PM_CONSTANT_PATH_WRITE_NODE:
case PM_GLOBAL_VARIABLE_WRITE_NODE:
case PM_GLOBAL_VARIABLE_OPERATOR_WRITE_NODE:

1
test/ruby/test_compile_prism.rb
View File

@ -244,6 +244,7 @@ module Prism
assert_prism_eval("defined?(Prism::CPAWN &&= 1)")
assert_prism_eval("defined?(Prism::CPOWN += 1)")
assert_prism_eval("defined?(Prism::CPOrWN ||= 1)")
assert_prism_eval("defined?(Prism::CPWN = 1)")
end
def test_GlobalVariableReadNode