Class: SyntaxTree::Rescue
Overview
Rescue represents the use of the rescue keyword inside of a BodyStmt node.
begin
rescue
end
Instance Attribute Summary collapse
-
#comments ⇒ Object
readonly
- Array[ Comment | EmbDoc ]
-
the comments attached to this node.
-
#consequent ⇒ Object
readonly
- nil | Rescue
-
the optional next clause in the chain.
-
#exception ⇒ Object
readonly
- nil | RescueEx
-
the exceptions being rescued.
-
#keyword ⇒ Object
readonly
- Kw
-
the rescue keyword.
-
#statements ⇒ Object
readonly
- Statements
-
the expressions to evaluate when an error is rescued.
Attributes inherited from Node
Instance Method Summary collapse
- #===(other) ⇒ Object
- #accept(visitor) ⇒ Object
- #bind_end(end_char, end_column) ⇒ Object
- #child_nodes ⇒ Object (also: #deconstruct)
- #copy(keyword: nil, exception: nil, statements: nil, consequent: nil, location: nil) ⇒ Object
- #deconstruct_keys(_keys) ⇒ Object
- #format(q) ⇒ Object
-
#initialize(keyword:, exception:, statements:, consequent:, location:) ⇒ Rescue
constructor
A new instance of Rescue.
Methods inherited from Node
#construct_keys, #end_char, #pretty_print, #start_char, #to_json, #to_mermaid
Constructor Details
#initialize(keyword:, exception:, statements:, consequent:, location:) ⇒ Rescue
Returns a new instance of Rescue.
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# File 'lib/syntax_tree/node.rb', line 9407 def initialize(keyword:, exception:, statements:, consequent:, location:) @keyword = keyword @exception = exception @statements = statements @consequent = consequent @location = location @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 9405 def comments @comments end |
#consequent ⇒ Object (readonly)
- nil | Rescue
-
the optional next clause in the chain
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# File 'lib/syntax_tree/node.rb', line 9402 def consequent @consequent end |
#exception ⇒ Object (readonly)
- nil | RescueEx
-
the exceptions being rescued
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# File 'lib/syntax_tree/node.rb', line 9396 def exception @exception end |
#keyword ⇒ Object (readonly)
- Kw
-
the rescue keyword
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# File 'lib/syntax_tree/node.rb', line 9393 def keyword @keyword end |
#statements ⇒ Object (readonly)
- Statements
-
the expressions to evaluate when an error is rescued
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# File 'lib/syntax_tree/node.rb', line 9399 def statements @statements end |
Instance Method Details
#===(other) ⇒ Object
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# File 'lib/syntax_tree/node.rb', line 9503 def ===(other) other.is_a?(Rescue) && keyword === other.keyword && exception === other.exception && statements === other.statements && consequent === other.consequent end |
#accept(visitor) ⇒ Object
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# File 'lib/syntax_tree/node.rb', line 9438 def accept(visitor) visitor.visit_rescue(self) end |
#bind_end(end_char, end_column) ⇒ Object
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# File 'lib/syntax_tree/node.rb', line 9416 def bind_end(end_char, end_column) @location = Location.new( start_line: location.start_line, start_char: location.start_char, start_column: location.start_column, end_line: location.end_line, end_char: end_char, end_column: end_column ) if consequent consequent.bind_end(end_char, end_column) statements.bind_end( consequent.location.start_char, consequent.location.start_column ) else statements.bind_end(end_char, end_column) end end |
#child_nodes ⇒ Object Also known as: deconstruct
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# File 'lib/syntax_tree/node.rb', line 9442 def child_nodes [keyword, exception, statements, consequent] end |
#copy(keyword: nil, exception: nil, statements: nil, consequent: nil, location: nil) ⇒ Object
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# File 'lib/syntax_tree/node.rb', line 9446 def copy( keyword: nil, exception: nil, statements: nil, consequent: nil, location: nil ) node = Rescue.new( keyword: keyword || self.keyword, exception: exception || self.exception, statements: statements || self.statements, consequent: consequent || self.consequent, 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 9468 def deconstruct_keys(_keys) { keyword: keyword, exception: exception, statements: statements, consequent: consequent, location: location, comments: comments } end |
#format(q) ⇒ Object
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# File 'lib/syntax_tree/node.rb', line 9479 def format(q) q.group do q.format(keyword) if exception q.nest(keyword.value.length + 1) { q.format(exception) } else q.text(" StandardError") end unless statements.empty? q.indent do q.breakable_force q.format(statements) end end if consequent q.breakable_force q.format(consequent) end end end |