[PRISM] Implement PM_SOURCE_FILE_NODE for defined?

Ruby code: ```ruby defined?(__FILE__) ``` Instructions: ``` "********* Ruby *************" == disasm: #<ISeq:<compiled>@<compiled>:0 (0,0)-(0,18)> 0000 putobject "expression" 0002 leave "********* PRISM *************" == disasm: #<ISeq:<compiled>@<compiled>:0 (0,0)-(0,18)> 0000 putobject "expression" 0002 leave ```
ruby · Dec 6, 2023 · d474239 · d474239
1 parent 41b117e
commit d474239
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diff --git a/prism_compile.c b/prism_compile.c
@@ -1492,6 +1492,7 @@ pm_compile_defined_expr0(rb_iseq_t *iseq, const pm_node_t *node, LINK_ANCHOR *co
       case PM_RANGE_NODE:
       case PM_REGULAR_EXPRESSION_NODE:
       case PM_SOURCE_ENCODING_NODE:
+      case PM_SOURCE_FILE_NODE:
       case PM_STRING_NODE:
       case PM_SYMBOL_NODE:
       case PM_X_STRING_NODE:

diff --git a/test/ruby/test_compile_prism.rb b/test/ruby/test_compile_prism.rb
@@ -111,6 +111,7 @@ def test_DefinedNode
       assert_prism_eval("defined? a && b")
       assert_prism_eval("defined? a || b")
       assert_prism_eval("defined? __ENCODING__")
+      assert_prism_eval("defined? __FILE__")
 
       assert_prism_eval("defined? %[1,2,3]")
       assert_prism_eval("defined? %q[1,2,3]")