Class: C::MemberInit

Inherits:

Node

• Object
• Node
• C::MemberInit

Defined in:

lib/cast/to_s.rb,
lib/cast/parse.rb,
lib/cast/c_nodes.rb,
lib/cast/c_nodes.rb

Constant Summary

Constants inherited from Node

Node::INSPECT_TAB

Instance Attribute Summary

Attributes inherited from Node

#parent, #pos, #subclasses

Class Method Summary

• .parse(s, parser = nil) ⇒ Object

Instance Method Summary

• #to_s ⇒ Object

Methods inherited from Node

#==, #=~, abstract, add_field, #assert_invariants, #attached?, child, #clone, #depth_first, #detach, #detached?, #dup, #each, #eql?, field, #fields, fields, #hash, inherited, initializer, #insert_next, #insert_prev, #inspect, inspect1, #list_next, #list_prev, #match?, #method_missing, new_at, #next, #node_after, #node_before, #postorder, #preorder, #prev, #remove_node, #replace_node, #replace_with, #reverse_depth_first, #reverse_each, #reverse_postorder, #reverse_preorder, subclasses_recursive, #swap_with

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class C::Node

Class Method Details

.parse(s, parser = nil) ⇒ Object

# File 'lib/cast/parse.rb', line 144

def self.parse(s, parser=nil)
  parser ||= C.default_parser
  ents = parser.parse("int f() {struct s x = {#{s}};}").entities
  if ents.length == 1                              &&  # } int f() {
      ents[0].def.stmts.length == 1                &&  # }} f() {{
      ents[0].def.stmts[0].declarators.length == 1 &&  # 1}, y
      ents[0].def.stmts[0].declarators[0].init.member_inits.length == 1 # 1, 2
    return ents[0].def.stmts[0].declarators[0].init.member_inits[0].detach
  else
    raise ParseError, "invalid MemberInit"
  end
end

Instance Method Details

#to_s ⇒ Object

# File 'lib/cast/to_s.rb', line 508

def to_s
  str = ''
  if member
    memberstr = member.map do |m|
      if m.is_a? Expression
        "[#{m}]"
      else
        ".#{m}"
      end
    end
    str << memberstr.join(' ') << ' = '
  end
  return str << init.to_s
end