Class: SyntaxTree::MLHSParen
Overview
MLHSParen represents parentheses being used to destruct values in a multiple assignment on the left hand side.
(left, right) = value
Instance Attribute Summary collapse
-
#comma ⇒ Object
- boolean
-
whether or not there is a trailing comma at the end of this list, which impacts destructuring.
-
#comments ⇒ Object
readonly
- Array[ Comment | EmbDoc ]
-
the comments attached to this node.
-
#contents ⇒ Object
readonly
- MLHS | MLHSParen
-
the contents inside of the parentheses.
Attributes inherited from Node
Instance Method Summary collapse
- #===(other) ⇒ Object
- #accept(visitor) ⇒ Object
- #child_nodes ⇒ Object (also: #deconstruct)
- #copy(contents: nil, location: nil) ⇒ Object
- #deconstruct_keys(_keys) ⇒ Object
- #format(q) ⇒ Object
-
#initialize(contents:, location:, comma: false) ⇒ MLHSParen
constructor
A new instance of MLHSParen.
Methods inherited from Node
#construct_keys, #end_char, #pretty_print, #start_char, #to_json, #to_mermaid
Constructor Details
#initialize(contents:, location:, comma: false) ⇒ MLHSParen
Returns a new instance of MLHSParen.
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# File 'lib/syntax_tree/node.rb', line 7732 def initialize(contents:, location:, comma: false) @contents = contents @comma = comma @location = location @comments = [] end |
Instance Attribute Details
#comma ⇒ Object
- boolean
-
whether or not there is a trailing comma at the end of this
list, which impacts destructuring. It’s an attr_accessor so that while the syntax tree is being built it can be set by its parent node
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# File 'lib/syntax_tree/node.rb', line 7727 def comma @comma end |
#comments ⇒ Object (readonly)
- Array[ Comment | EmbDoc ]
-
the comments attached to this node
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# File 'lib/syntax_tree/node.rb', line 7730 def comments @comments end |
#contents ⇒ Object (readonly)
- MLHS | MLHSParen
-
the contents inside of the parentheses
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# File 'lib/syntax_tree/node.rb', line 7722 def contents @contents end |
Instance Method Details
#===(other) ⇒ Object
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# File 'lib/syntax_tree/node.rb', line 7785 def ===(other) other.is_a?(MLHSParen) && contents === other.contents end |
#accept(visitor) ⇒ Object
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# File 'lib/syntax_tree/node.rb', line 7739 def accept(visitor) visitor.visit_mlhs_paren(self) end |
#child_nodes ⇒ Object Also known as: deconstruct
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# File 'lib/syntax_tree/node.rb', line 7743 def child_nodes [contents] end |
#copy(contents: nil, location: nil) ⇒ Object
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# File 'lib/syntax_tree/node.rb', line 7747 def copy(contents: nil, location: nil) node = MLHSParen.new( contents: contents || self.contents, location: location || self.location ) node.comments.concat(comments.map(&:copy)) node end |
#deconstruct_keys(_keys) ⇒ Object
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# File 'lib/syntax_tree/node.rb', line 7760 def deconstruct_keys(_keys) { contents: contents, location: location, comments: comments } end |
#format(q) ⇒ Object
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# File 'lib/syntax_tree/node.rb', line 7764 def format(q) parent = q.parent if parent.is_a?(MAssign) || parent.is_a?(MLHSParen) q.format(contents) q.text(",") if comma else q.text("(") q.group do q.indent do q.breakable_empty q.format(contents) end q.text(",") if comma q.breakable_empty end q.text(")") end end |