Class: SyntaxTree::If

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

Overview

If represents the first clause in an if chain.

if predicate
end

Instance Attribute Summary collapse

Attributes inherited from Node

#location

Instance Method Summary collapse

Methods inherited from Node

#pretty_print, #to_json

Constructor Details

#initialize(predicate:, statements:, consequent:, location:, comments: []) ⇒ If

Returns a new instance of If.



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# File 'lib/syntax_tree/node.rb', line 4697

def initialize(
  predicate:,
  statements:,
  consequent:,
  location:,
  comments: []
)
  @predicate = predicate
  @statements = statements
  @consequent = consequent
  @location = location
  @comments = comments
end

Instance Attribute Details

#comments ⇒ Object (readonly)

Array[ Comment | EmbDoc ]

the comments attached to this node



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# File 'lib/syntax_tree/node.rb', line 4695

def comments
  @comments
end

#consequent ⇒ Object (readonly)

nil, Elsif, Else

the next clause in the chain



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# File 'lib/syntax_tree/node.rb', line 4692

def consequent
  @consequent
end

#predicate ⇒ Object (readonly)

untyped

the expression to be checked



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# File 'lib/syntax_tree/node.rb', line 4686

def predicate
  @predicate
end

#statements ⇒ Object (readonly)

Statements

the expressions to be executed



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# File 'lib/syntax_tree/node.rb', line 4689

def statements
  @statements
end

Instance Method Details

#accept(visitor) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 4711

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

#child_nodes ⇒ Object Also known as: deconstruct 



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# File 'lib/syntax_tree/node.rb', line 4715

def child_nodes
  [predicate, statements, consequent]
end

#deconstruct_keys(keys) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 4721

def deconstruct_keys(keys)
  {
    predicate: predicate,
    statements: statements,
    consequent: consequent,
    location: location,
    comments: comments
  }
end

#format(q) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 4731

def format(q)
  ConditionalFormatter.new("if", self).format(q)
end