Class: SyntaxTree::IfOp

Inherits:
Node
  • Object
show all
Defined in:
lib/syntax_tree/node.rb

Overview

IfOp represents a ternary clause.

predicate ? truthy : falsy

Instance Attribute Summary collapse

Attributes inherited from Node

#location

Instance Method Summary collapse

Methods inherited from Node

#construct_keys, #pretty_print, #to_json

Constructor Details

#initialize(predicate:, truthy:, falsy:, location:, comments: []) ⇒ IfOp

Returns a new instance of IfOp.



5445
5446
5447
5448
5449
5450
5451
 
# File 'lib/syntax_tree/node.rb', line 5445

def initialize(predicate:, truthy:, falsy:, location:, comments: [])
  @predicate = predicate
  @truthy = truthy
  @falsy = falsy
  @location = location
  @comments = comments
end

Instance Attribute Details

#comments ⇒ Object (readonly)

Array[ Comment | EmbDoc ]

the comments attached to this node



5443
5444
5445
 
# File 'lib/syntax_tree/node.rb', line 5443

def comments
  @comments
end

#falsy ⇒ Object (readonly)

untyped

the expression to be executed if the predicate is falsy



5440
5441
5442
 
# File 'lib/syntax_tree/node.rb', line 5440

def falsy
  @falsy
end

#predicate ⇒ Object (readonly)

untyped

the expression to be checked



5434
5435
5436
 
# File 'lib/syntax_tree/node.rb', line 5434

def predicate
  @predicate
end

#truthy ⇒ Object (readonly)

untyped

the expression to be executed if the predicate is truthy



5437
5438
5439
 
# File 'lib/syntax_tree/node.rb', line 5437

def truthy
  @truthy
end

Instance Method Details

#accept(visitor) ⇒ Object 



5453
5454
5455
 
# File 'lib/syntax_tree/node.rb', line 5453

def accept(visitor)
  visitor.visit_if_op(self)
end

#child_nodes ⇒ Object Also known as: deconstruct 



5457
5458
5459
 
# File 'lib/syntax_tree/node.rb', line 5457

def child_nodes
  [predicate, truthy, falsy]
end

#deconstruct_keys(_keys) ⇒ Object 



5463
5464
5465
5466
5467
5468
5469
5470
5471
 
# File 'lib/syntax_tree/node.rb', line 5463

def deconstruct_keys(_keys)
  {
    predicate: predicate,
    truthy: truthy,
    falsy: falsy,
    location: location,
    comments: comments
  }
end

#format(q) ⇒ Object 



5473
5474
5475
5476
5477
5478
5479
5480
5481
5482
5483
5484
5485
5486
5487
5488
 
# File 'lib/syntax_tree/node.rb', line 5473

def format(q)
  force_flat = [
    Alias, Assign, Break, Command, CommandCall, Heredoc, If, IfMod, IfOp,
    Lambda, MAssign, Next, OpAssign, RescueMod, Return, Return0, Super,
    Undef, Unless, UnlessMod, UntilMod, VarAlias, VoidStmt, WhileMod, Yield,
    Yield0, ZSuper
  ]

  if q.parent.is_a?(Paren) || force_flat.include?(truthy.class) ||
       force_flat.include?(falsy.class)
    q.group { format_flat(q) }
    return
  end

  q.group { q.if_break { format_break(q) }.if_flat { format_flat(q) } }
end