class Prism::DesugarCompiler

DesugarCompiler is a compiler that desugars Ruby code into a more primitive form. This is useful for consumers that want to deal with fewer node types.

Public Instance Methods

visit_class_variable_and_write_node (node)

@@foo &&= bar

becomes

@@foo && @@foo = bar

# File lib/prism/desugar_compiler.rb, line 12
def visit_class_variable_and_write_node(node)
  desugar_and_write_node(node, ClassVariableReadNode, ClassVariableWriteNode, node.name)
end
visit_class_variable_operator_write_node (node)

@@foo += bar

becomes

@@foo = @@foo + bar

# File lib/prism/desugar_compiler.rb, line 30
def visit_class_variable_operator_write_node(node)
  desugar_operator_write_node(node, ClassVariableReadNode, ClassVariableWriteNode, node.name)
end
visit_class_variable_or_write_node (node)

@@foo ||= bar

becomes

defined?(@@foo) ? @@foo : @@foo = bar

# File lib/prism/desugar_compiler.rb, line 21
def visit_class_variable_or_write_node(node)
  desugar_or_write_defined_node(node, ClassVariableReadNode, ClassVariableWriteNode, node.name)
end
visit_constant_and_write_node (node)

Foo &&= bar

becomes

Foo && Foo = bar

# File lib/prism/desugar_compiler.rb, line 39
def visit_constant_and_write_node(node)
  desugar_and_write_node(node, ConstantReadNode, ConstantWriteNode, node.name)
end
visit_constant_operator_write_node (node)

Foo += bar

becomes

Foo = Foo + bar

# File lib/prism/desugar_compiler.rb, line 57
def visit_constant_operator_write_node(node)
  desugar_operator_write_node(node, ConstantReadNode, ConstantWriteNode, node.name)
end
visit_constant_or_write_node (node)

Foo ||= bar

becomes

defined?(Foo) ? Foo : Foo = bar

# File lib/prism/desugar_compiler.rb, line 48
def visit_constant_or_write_node(node)
  desugar_or_write_defined_node(node, ConstantReadNode, ConstantWriteNode, node.name)
end
visit_global_variable_and_write_node (node)

$foo &&= bar

becomes

$foo && $foo = bar

# File lib/prism/desugar_compiler.rb, line 66
def visit_global_variable_and_write_node(node)
  desugar_and_write_node(node, GlobalVariableReadNode, GlobalVariableWriteNode, node.name)
end
visit_global_variable_operator_write_node (node)

$foo += bar

becomes

$foo = $foo + bar

# File lib/prism/desugar_compiler.rb, line 84
def visit_global_variable_operator_write_node(node)
  desugar_operator_write_node(node, GlobalVariableReadNode, GlobalVariableWriteNode, node.name)
end
visit_global_variable_or_write_node (node)

$foo ||= bar

becomes

defined?($foo) ? $foo : $foo = bar

# File lib/prism/desugar_compiler.rb, line 75
def visit_global_variable_or_write_node(node)
  desugar_or_write_defined_node(node, GlobalVariableReadNode, GlobalVariableWriteNode, node.name)
end
visit_instance_variable_and_write_node (node)

@foo &&= bar

becomes

@foo && @foo = bar

# File lib/prism/desugar_compiler.rb, line 93
def visit_instance_variable_and_write_node(node)
  desugar_and_write_node(node, InstanceVariableReadNode, InstanceVariableWriteNode, node.name)
end
visit_instance_variable_operator_write_node (node)

@foo += bar

becomes

@foo = @foo + bar

# File lib/prism/desugar_compiler.rb, line 111
def visit_instance_variable_operator_write_node(node)
  desugar_operator_write_node(node, InstanceVariableReadNode, InstanceVariableWriteNode, node.name)
end
visit_instance_variable_or_write_node (node)

@foo ||= bar

becomes

@foo || @foo = bar

# File lib/prism/desugar_compiler.rb, line 102
def visit_instance_variable_or_write_node(node)
  desugar_or_write_node(node, InstanceVariableReadNode, InstanceVariableWriteNode, node.name)
end
visit_local_variable_and_write_node (node)

foo &&= bar

becomes

foo && foo = bar

# File lib/prism/desugar_compiler.rb, line 120
def visit_local_variable_and_write_node(node)
  desugar_and_write_node(node, LocalVariableReadNode, LocalVariableWriteNode, node.name, node.depth)
end
visit_local_variable_operator_write_node (node)

foo += bar

becomes

foo = foo + bar

# File lib/prism/desugar_compiler.rb, line 138
def visit_local_variable_operator_write_node(node)
  desugar_operator_write_node(node, LocalVariableReadNode, LocalVariableWriteNode, node.name, node.depth)
end
visit_local_variable_or_write_node (node)

foo ||= bar

becomes

foo || foo = bar

# File lib/prism/desugar_compiler.rb, line 129
def visit_local_variable_or_write_node(node)
  desugar_or_write_node(node, LocalVariableReadNode, LocalVariableWriteNode, node.name, node.depth)
end