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@ ProgramNode (location: (1,0)-(1,37))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(1,37))
└── body: (length: 2)
├── @ CallNode (location: (1,0)-(1,21))
│ ├── receiver: ∅
│ ├── call_operator_loc: ∅
│ ├── name: :td
│ ├── message_loc: (1,0)-(1,2) = "td"
│ ├── opening_loc: ∅
│ ├── arguments:
│ │ @ ArgumentsNode (location: (1,3)-(1,21))
│ │ ├── arguments: (length: 1)
│ │ │ └── @ CallNode (location: (1,3)-(1,21))
│ │ │ ├── receiver:
│ │ │ │ @ ParenthesesNode (location: (1,3)-(1,10))
│ │ │ │ ├── body:
│ │ │ │ │ @ StatementsNode (location: (1,4)-(1,9))
│ │ │ │ │ └── body: (length: 1)
│ │ │ │ │ └── @ IntegerNode (location: (1,4)-(1,9))
│ │ │ │ │ └── flags: decimal
│ │ │ │ ├── opening_loc: (1,3)-(1,4) = "("
│ │ │ │ └── closing_loc: (1,9)-(1,10) = ")"
│ │ │ ├── call_operator_loc: (1,10)-(1,11) = "."
│ │ │ ├── name: :toString
│ │ │ ├── message_loc: (1,11)-(1,19) = "toString"
│ │ │ ├── opening_loc: (1,19)-(1,20) = "("
│ │ │ ├── arguments: ∅
│ │ │ ├── closing_loc: (1,20)-(1,21) = ")"
│ │ │ ├── block: ∅
│ │ │ └── flags: ∅
│ │ └── flags: ∅
│ ├── closing_loc: ∅
│ ├── block: ∅
│ └── flags: ∅
└── @ CallNode (location: (1,23)-(1,37))
├── receiver:
│ @ CallNode (location: (1,23)-(1,25))
│ ├── receiver: ∅
│ ├── call_operator_loc: ∅
│ ├── name: :td
│ ├── message_loc: (1,23)-(1,25) = "td"
│ ├── opening_loc: ∅
│ ├── arguments: ∅
│ ├── closing_loc: ∅
│ ├── block: ∅
│ └── flags: variable_call
├── call_operator_loc: (1,25)-(1,26) = "."
├── name: :num
├── message_loc: (1,26)-(1,29) = "num"
├── opening_loc: ∅
├── arguments: ∅
├── closing_loc: ∅
├── block:
│ @ BlockNode (location: (1,30)-(1,37))
│ ├── locals: []
│ ├── parameters: ∅
│ ├── body: ∅
│ ├── opening_loc: (1,30)-(1,32) = "do"
│ ├── closing_loc: (1,34)-(1,37) = "end"
│ └── numbered_parameters: 0
└── flags: ∅
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