class Ameba::AST::Branch

• Ameba::AST::Branch
• Reference
• Object

Overview

Represents the branch in Crystal code. Branch is a part of a branchable statement. For example, the branchable if statement contains 3 branches:

if a = something # --> Branch A
  a = 1          # --> Branch B
  put a if out   # --> Branch C
else
  do_something a # --> Branch D
end

Defined in:

Constructors

• .new(node, parent)

  Creates a new branch.

Class Method Summary

• .of(node : Crystal::ASTNode, parent_node : Crystal::ASTNode)

  Constructs a new branch based on the node some parent scope.

• .of(node : Crystal::ASTNode, scope : Scope)

  Constructs a new branch based on the node in scope.

Instance Method Summary

• #==(other : self)

  Returns true if this reference is the same as other.

• #end_location(*args, **options)
• #end_location(*args, **options, &)
• #hash(hasher)

  See Object#hash(hasher)

• #in_loop?

  Returns true if current branch is in a loop, false - otherwise.

• #location(*args, **options)
• #location(*args, **options, &)
• #node : Crystal::ASTNode

  The actual branch node.

• #parent : Branchable

  The parent branchable.

• #to_s(*args, **options)
• #to_s(*args, **options, &)

Constructor Detail

Branch.new(if_node)

Class Method Detail

Branch.of(assign_node, def_node)

Branch.of(assign_node, scope)

Instance Method Detail

while true
  handle_input # this branch is in a loop
  if wrong_input
    show_message # this branch is also in a loop.
  end
end