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@ ProgramNode (location: (1,0)-(7,44))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(7,44))
└── body: (length: 4)
├── @ WhileNode (location: (1,0)-(1,52))
│ ├── keyword_loc: (1,0)-(1,5) = "while"
│ ├── closing_loc: (1,49)-(1,52) = "end"
│ ├── predicate:
│ │ @ SingletonClassNode (location: (1,6)-(1,40))
│ │ ├── locals: [:a]
│ │ ├── class_keyword_loc: (1,6)-(1,11) = "class"
│ │ ├── operator_loc: (1,12)-(1,14) = "<<"
│ │ ├── expression:
│ │ │ @ SelfNode (location: (1,15)-(1,19))
│ │ ├── body:
│ │ │ @ StatementsNode (location: (1,21)-(1,35))
│ │ │ └── body: (length: 1)
│ │ │ └── @ LocalVariableWriteNode (location: (1,21)-(1,35))
│ │ │ ├── name: :a
│ │ │ ├── depth: 0
│ │ │ ├── name_loc: (1,21)-(1,22) = "a"
│ │ │ ├── value:
│ │ │ │ @ CallNode (location: (1,25)-(1,35))
│ │ │ │ ├── receiver: ∅
│ │ │ │ ├── call_operator_loc: ∅
│ │ │ │ ├── name: :tap
│ │ │ │ ├── message_loc: (1,25)-(1,28) = "tap"
│ │ │ │ ├── opening_loc: ∅
│ │ │ │ ├── arguments: ∅
│ │ │ │ ├── closing_loc: ∅
│ │ │ │ ├── block:
│ │ │ │ │ @ BlockNode (location: (1,29)-(1,35))
│ │ │ │ │ ├── locals: []
│ │ │ │ │ ├── locals_body_index: 0
│ │ │ │ │ ├── parameters: ∅
│ │ │ │ │ ├── body: ∅
│ │ │ │ │ ├── opening_loc: (1,29)-(1,31) = "do"
│ │ │ │ │ └── closing_loc: (1,32)-(1,35) = "end"
│ │ │ │ └── flags: ∅
│ │ │ └── operator_loc: (1,23)-(1,24) = "="
│ │ └── end_keyword_loc: (1,37)-(1,40) = "end"
│ ├── statements:
│ │ @ StatementsNode (location: (1,42)-(1,47))
│ │ └── body: (length: 1)
│ │ └── @ BreakNode (location: (1,42)-(1,47))
│ │ ├── arguments: ∅
│ │ └── keyword_loc: (1,42)-(1,47) = "break"
│ └── flags: ∅
├── @ WhileNode (location: (3,0)-(3,48))
│ ├── keyword_loc: (3,0)-(3,5) = "while"
│ ├── closing_loc: (3,45)-(3,48) = "end"
│ ├── predicate:
│ │ @ SingletonClassNode (location: (3,6)-(3,36))
│ │ ├── locals: []
│ │ ├── class_keyword_loc: (3,6)-(3,11) = "class"
│ │ ├── operator_loc: (3,12)-(3,14) = "<<"
│ │ ├── expression:
│ │ │ @ SelfNode (location: (3,15)-(3,19))
│ │ ├── body:
│ │ │ @ StatementsNode (location: (3,21)-(3,31))
│ │ │ └── body: (length: 1)
│ │ │ └── @ CallNode (location: (3,21)-(3,31))
│ │ │ ├── receiver: ∅
│ │ │ ├── call_operator_loc: ∅
│ │ │ ├── name: :tap
│ │ │ ├── message_loc: (3,21)-(3,24) = "tap"
│ │ │ ├── opening_loc: ∅
│ │ │ ├── arguments: ∅
│ │ │ ├── closing_loc: ∅
│ │ │ ├── block:
│ │ │ │ @ BlockNode (location: (3,25)-(3,31))
│ │ │ │ ├── locals: []
│ │ │ │ ├── locals_body_index: 0
│ │ │ │ ├── parameters: ∅
│ │ │ │ ├── body: ∅
│ │ │ │ ├── opening_loc: (3,25)-(3,27) = "do"
│ │ │ │ └── closing_loc: (3,28)-(3,31) = "end"
│ │ │ └── flags: ∅
│ │ └── end_keyword_loc: (3,33)-(3,36) = "end"
│ ├── statements:
│ │ @ StatementsNode (location: (3,38)-(3,43))
│ │ └── body: (length: 1)
│ │ └── @ BreakNode (location: (3,38)-(3,43))
│ │ ├── arguments: ∅
│ │ └── keyword_loc: (3,38)-(3,43) = "break"
│ └── flags: ∅
├── @ WhileNode (location: (5,0)-(5,47))
│ ├── keyword_loc: (5,0)-(5,5) = "while"
│ ├── closing_loc: (5,44)-(5,47) = "end"
│ ├── predicate:
│ │ @ ClassNode (location: (5,6)-(5,35))
│ │ ├── locals: [:a]
│ │ ├── class_keyword_loc: (5,6)-(5,11) = "class"
│ │ ├── constant_path:
│ │ │ @ ConstantReadNode (location: (5,12)-(5,15))
│ │ │ └── name: :Foo
│ │ ├── inheritance_operator_loc: ∅
│ │ ├── superclass: ∅
│ │ ├── body:
│ │ │ @ StatementsNode (location: (5,16)-(5,30))
│ │ │ └── body: (length: 1)
│ │ │ └── @ LocalVariableWriteNode (location: (5,16)-(5,30))
│ │ │ ├── name: :a
│ │ │ ├── depth: 0
│ │ │ ├── name_loc: (5,16)-(5,17) = "a"
│ │ │ ├── value:
│ │ │ │ @ CallNode (location: (5,20)-(5,30))
│ │ │ │ ├── receiver: ∅
│ │ │ │ ├── call_operator_loc: ∅
│ │ │ │ ├── name: :tap
│ │ │ │ ├── message_loc: (5,20)-(5,23) = "tap"
│ │ │ │ ├── opening_loc: ∅
│ │ │ │ ├── arguments: ∅
│ │ │ │ ├── closing_loc: ∅
│ │ │ │ ├── block:
│ │ │ │ │ @ BlockNode (location: (5,24)-(5,30))
│ │ │ │ │ ├── locals: []
│ │ │ │ │ ├── locals_body_index: 0
│ │ │ │ │ ├── parameters: ∅
│ │ │ │ │ ├── body: ∅
│ │ │ │ │ ├── opening_loc: (5,24)-(5,26) = "do"
│ │ │ │ │ └── closing_loc: (5,27)-(5,30) = "end"
│ │ │ │ └── flags: ∅
│ │ │ └── operator_loc: (5,18)-(5,19) = "="
│ │ ├── end_keyword_loc: (5,32)-(5,35) = "end"
│ │ └── name: :Foo
│ ├── statements:
│ │ @ StatementsNode (location: (5,37)-(5,42))
│ │ └── body: (length: 1)
│ │ └── @ BreakNode (location: (5,37)-(5,42))
│ │ ├── arguments: ∅
│ │ └── keyword_loc: (5,37)-(5,42) = "break"
│ └── flags: ∅
└── @ WhileNode (location: (7,0)-(7,44))
├── keyword_loc: (7,0)-(7,5) = "while"
├── closing_loc: (7,41)-(7,44) = "end"
├── predicate:
│ @ ClassNode (location: (7,6)-(7,32))
│ ├── locals: []
│ ├── class_keyword_loc: (7,6)-(7,11) = "class"
│ ├── constant_path:
│ │ @ ConstantReadNode (location: (7,12)-(7,15))
│ │ └── name: :Foo
│ ├── inheritance_operator_loc: ∅
│ ├── superclass: ∅
│ ├── body:
│ │ @ StatementsNode (location: (7,17)-(7,27))
│ │ └── body: (length: 1)
│ │ └── @ CallNode (location: (7,17)-(7,27))
│ │ ├── receiver: ∅
│ │ ├── call_operator_loc: ∅
│ │ ├── name: :tap
│ │ ├── message_loc: (7,17)-(7,20) = "tap"
│ │ ├── opening_loc: ∅
│ │ ├── arguments: ∅
│ │ ├── closing_loc: ∅
│ │ ├── block:
│ │ │ @ BlockNode (location: (7,21)-(7,27))
│ │ │ ├── locals: []
│ │ │ ├── locals_body_index: 0
│ │ │ ├── parameters: ∅
│ │ │ ├── body: ∅
│ │ │ ├── opening_loc: (7,21)-(7,23) = "do"
│ │ │ └── closing_loc: (7,24)-(7,27) = "end"
│ │ └── flags: ∅
│ ├── end_keyword_loc: (7,29)-(7,32) = "end"
│ └── name: :Foo
├── statements:
│ @ StatementsNode (location: (7,34)-(7,39))
│ └── body: (length: 1)
│ └── @ BreakNode (location: (7,34)-(7,39))
│ ├── arguments: ∅
│ └── keyword_loc: (7,34)-(7,39) = "break"
└── flags: ∅
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