Class: Prism::DesugarCompiler

Inherits:
MutationCompiler
  • Object
show all
Defined in:
lib/prism/desugar_compiler.rb

Overview

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.

Instance Method Summary collapse

Instance Method Details

#visit_class_variable_and_write_node(node) ⇒ Object

@@foo &&= bar

becomes

@@foo && @@foo = bar



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# 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) ⇒ Object

@@foo += bar

becomes

@@foo = @@foo + bar



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# 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) ⇒ Object

@@foo ||= bar

becomes

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



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# 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) ⇒ Object

Foo &&= bar

becomes

Foo && Foo = bar



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# 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) ⇒ Object

Foo += bar

becomes

Foo = Foo + bar



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# 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) ⇒ Object

Foo ||= bar

becomes

defined?(Foo) ? Foo : Foo = bar



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# 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) ⇒ Object

$foo &&= bar

becomes

$foo && $foo = bar



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# 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) ⇒ Object

$foo += bar

becomes

$foo = $foo + bar



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# 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) ⇒ Object

$foo ||= bar

becomes

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



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# 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) ⇒ Object

becomes



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# 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) ⇒ Object

becomes



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# 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) ⇒ Object

becomes



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# 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) ⇒ Object

foo &&= bar

becomes

foo && foo = bar



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# 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) ⇒ Object

foo += bar

becomes

foo = foo + bar



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# 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) ⇒ Object

foo ||= bar

becomes

foo || foo = bar



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# 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