Class: FastRuby::FastRubySexp::Edges

Inherits:
Object
  • Object
show all
Defined in:
lib/fastruby/sexp_extension_edges.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(frbsexp) ⇒ Edges

Returns a new instance of Edges.



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# File 'lib/fastruby/sexp_extension_edges.rb', line 24

def initialize(frbsexp)
  @frbsexp = frbsexp
end

Class Method Details

.do_nothing_for(*nodename) ⇒ Object 



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# File 'lib/fastruby/sexp_extension_edges.rb', line 199

def self.do_nothing_for(*nodename)
  nodename.each do |nn|
    define_method("edges_#{nn}") do
    end
  end
end

Instance Method Details

#each(&blk) ⇒ Object 



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# File 'lib/fastruby/sexp_extension_edges.rb', line 28

def each(&blk)
  node_type = @frbsexp.node_type

  @frbsexp.each do|st|
    next unless FastRubySexp === st
    st.edges.each(&blk)
  end

  if respond_to? "edges_#{node_type}"
    send("edges_#{node_type}", &blk)
  end
end

#edges_block(&blk) ⇒ Object 



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# File 'lib/fastruby/sexp_extension_edges.rb', line 172

def edges_block(&blk)
  (2..@frbsexp.size-1).each do |i|
    blk.call(@frbsexp[i-1], @frbsexp[i].first_tree)
  end
  blk.call(@frbsexp.last, @frbsexp)
end

#edges_call(&blk) ⇒ Object 



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# File 'lib/fastruby/sexp_extension_edges.rb', line 179

def edges_call(&blk)
  args_tree = @frbsexp[3]

  (2..args_tree.size-1).each do |i|
    blk.call(args_tree[i-1], args_tree[i])
  end

  recv_tree = @frbsexp[1]
  
  if recv_tree
    if args_tree.size > 1
      blk.call(recv_tree, args_tree[1])
    end
  end

  if args_tree.size > 1
    blk.call(args_tree.last, @frbsexp)
  end
end

#edges_ensure(&blk) ⇒ Object 



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# File 'lib/fastruby/sexp_extension_edges.rb', line 49

def edges_ensure(&blk)
  if @frbsexp.size > 2
    @frbsexp[1].walk_tree do |subtree|
      if subtree.node_type == :call or subtree.node_type == :iter
        blk.call(subtree,@frbsexp[2].first_tree)
      end
    end

    blk.call(@frbsexp[2],@frbsexp)
  else
    blk.call(@frbsexp[1],@frbsexp)
  end
end

#edges_if(&blk) ⇒ Object 



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# File 'lib/fastruby/sexp_extension_edges.rb', line 138

def edges_if(&blk)
  if @frbsexp[2]
    blk.call(@frbsexp[1],@frbsexp[2].first_tree)
    blk.call(@frbsexp[2],@frbsexp)
  end

  if @frbsexp[3]
    blk.call(@frbsexp[3],@frbsexp)
    blk.call(@frbsexp[1],@frbsexp[3].first_tree)
  end

  unless @frbsexp[2] and @frbsexp[3]
    blk.call(@frbsexp[1],@frbsexp)
  end     
end

#edges_lasgn(&blk) ⇒ Object Also known as: edges_gasgn, edges_cdecl, edges_iasgn 



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# File 'lib/fastruby/sexp_extension_edges.rb', line 41

def edges_lasgn(&blk)
  blk.call(@frbsexp[2],@frbsexp)        
end

#edges_or(&blk) ⇒ Object Also known as: edges_and 



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# File 'lib/fastruby/sexp_extension_edges.rb', line 129

def edges_or(&blk)
  (1..@frbsexp.size-2).each do |i|
    blk.call(@frbsexp[i],@frbsexp[i+1].first_tree)
  end

  blk.call(@frbsexp[-1],@frbsexp)
end

#edges_rescue(&blk) ⇒ Object 



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# File 'lib/fastruby/sexp_extension_edges.rb', line 63

def edges_rescue(&blk)
  return if @frbsexp[1].node_type == :resbody
  
  blk.call(@frbsexp[1],@frbsexp)

  exit_tree = nil
  resbody_array_tree = @frbsexp[2][1]

  if resbody_array_tree.size > 1
    exit_tree = resbody_array_tree[1].first_tree
    lasgn_tree = resbody_array_tree.find{|st| 
          if st.respond_to? :node_type
            st.node_type == :lasgn
          else
            false
          end
    }

    (1..resbody_array_tree.size-2).each do |i|
      blk.call(resbody_array_tree[i], resbody_array_tree[i+1].first_tree)

      if lasgn_tree
        blk.call(resbody_array_tree[i], lasgn_tree.first_tree)
      end 
    end

    if @frbsexp[2]
      if @frbsexp[2][2]
        blk.call(resbody_array_tree[-1],@frbsexp[2][2].first_tree)
      else            
        blk.call(resbody_array_tree[-1],@frbsexp)
      end
    else
      blk.call(resbody_array_tree[-1],@frbsexp)
    end
  else
    if @frbsexp[2]
    if @frbsexp[2][2]
      exit_tree = @frbsexp[2][2].first_tree
    end
    end
  end

  unless exit_tree
    exit_tree = @frbsexp
  end

  if @frbsexp[2]
    if @frbsexp[2][2]
      blk.call(@frbsexp[2][2],@frbsexp)
      blk.call(@frbsexp[1],exit_tree)
      retry_tree = @frbsexp[2][2].find_tree(:retry)
      if retry_tree
        blk.call(retry_tree,@frbsexp[1].first_tree)
      end
    end
  end

  @frbsexp[1].walk_tree do |subtree|
    if subtree.node_type == :call or subtree.node_type == :iter
      blk.call(subtree,exit_tree)
    end
  end    

end

#edges_scope(&blk) ⇒ Object 



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# File 'lib/fastruby/sexp_extension_edges.rb', line 154

def edges_scope(&blk)
  blk.call(@frbsexp[1], @frbsexp)
end

#edges_while(&blk) ⇒ Object Also known as: edges_until 



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# File 'lib/fastruby/sexp_extension_edges.rb', line 158

def edges_while(&blk)
  if @frbsexp[2]
    blk.call(@frbsexp[1], @frbsexp[2].first_tree)
    blk.call(@frbsexp[2], @frbsexp[1].first_tree)
    @frbsexp[2].find_break do |subtree|
      blk.call(subtree, @frbsexp)
    end
  end

  blk.call(@frbsexp[1], @frbsexp)
end