Class: C::Statement

Inherits:
Node
  • Object
show all
Defined in:
lib/cast/to_s.rb,
lib/cast/parse.rb,
lib/cast/c_nodes.rb

Overview

                    Class declarations

Direct Known Subclasses

Block, Break, Continue, ExpressionStatement, For, Goto, If, Return, Switch, While

Constant Summary

Constants inherited from Node

Node::INSPECT_TAB

Instance Attribute Summary

Attributes inherited from Node

#parent, #pos, #subclasses

Class Method Summary collapse

Instance Method Summary collapse

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 



177
178
179
180
181
182
183
184
185
186
187
 
# File 'lib/cast/parse.rb', line 177

def self.parse(s, parser=nil)
  parser ||= C.default_parser
  ents = parser.parse("void f() {#{s}}").entities
  if ents.length == 1               &&      # } void f() {
      ents[0].def.stmts.length == 1 &&      # ;;
      ents[0].def.stmts[0].is_a?(self)      # int i;
    return ents[0].def.stmts[0].detach
  else
    raise ParseError, "invalid #{self}"
  end
end

Instance Method Details

#label(str) ⇒ Object 



75
76
77
 
# File 'lib/cast/to_s.rb', line 75

def label(str)
  labels.map{|s| "#{s}\n"}.join + indent(str)
end