Module: RubyMM

Defined in:
lib/rubymm/query.rb,
lib/rubymm/parser.rb,
lib/rubymm/metamodel.rb

Defined Under Namespace

Classes: ArrayLiteral, BeginRescue, Block, BooleanLiteral, Call, ClassDecl, Constant, Def, ElementAssignement, GlobalVarAccess, GlobalVarAssignment, HashLiteral, HashPair, IfStatement, InstanceVarAccess, InstanceVarAssignement, IntLiteral, Literal, LocalVarAccess, LocalVarAssignment, ModuleDecl, NilLiteral, Return, Statement, StringLiteral, Symbol, Value, VarAccess, VarAssignement

Class Method Summary collapse

Class Method Details

.args_to_model(args_node) ⇒ Object 



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# File 'lib/rubymm/parser.rb', line 223

def self.args_to_model(args_node)
  args=[]
  if args_node.is_a? ArrayNode
    #puts "ARGS #{args_node} #{args_node.size} #{args_node.class}"
    for i in 0..(args_node.size-1) 
      #puts "DEALING WITH #{i} #{args_node.get i} #{(args_node.get i).class}"
      args << node_to_model(args_node.get i)
    end
    args
  elsif args_node.is_a? ListNode 
    for i in 0..(args_node.size-1) 
      #puts "DEALING WITH #{i} #{args_node.get i} #{(args_node.get i).class}"
      args << node_to_model(args_node.get i)
    end
    args    
  else 
    raise "I don't know how to deal with #{args_node.class}"
  end
end

.body_node_to_contents(body_node, container_node) ⇒ Object 



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# File 'lib/rubymm/parser.rb', line 29

def self.body_node_to_contents(body_node,container_node)
  body = node_to_model(body_node)
  if body
    if body.is_a? RubyMM::Block 
      body.contents.each do |el|
        container_node.contents = container_node.contents << el 
      end
    else
      container_node.contents = container_node.contents << body
    end
  end
end

.bool(value) ⇒ Object 



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# File 'lib/rubymm/metamodel.rb', line 65

def self.bool(value)
  BooleanLiteral.build(value)
end

.constant(first_part, *other_parts) ⇒ Object 



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# File 'lib/rubymm/metamodel.rb', line 110

def self.constant(first_part,*other_parts)
  cont = Constant.build(first_part)

  return cont if other_parts.count == 0

  new_first_part, *new_other_parts = other_parts

  internal_constant = constant(new_first_part, *new_other_parts)
  if internal_constant.container
    internal_constant.top_container.container = cont
  else
    internal_constant.container = cont
  end

  internal_constant
end

.int(value) ⇒ Object 



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# File 'lib/rubymm/metamodel.rb', line 69

def self.int(value)
  IntLiteral.build(value)
end

.is_call(node, name = nil, args = nil) ⇒ Object 



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# File 'lib/rubymm/query.rb', line 3

def self.is_call(node,name=nil,args=nil)
  return false unless node.is_a? RubyMM::Call
  return false if name and node.name!=name
  if args
    return false if args.count != node.args.count
    for i in 0..(args.count-1)
      return false unless args[i].eql?(node.args[i])
    end
  end
  true
end

.is_def(node, name = nil) ⇒ Object 



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# File 'lib/rubymm/query.rb', line 15

def self.is_def(node,name=nil)
  return false unless node.is_a? RubyMM::Def
  return false if name and node.name!=name
  true
end

.localvarac(name) ⇒ Object 



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# File 'lib/rubymm/metamodel.rb', line 174

def self.localvarac(name)
  lva = LocalVarAccess.new
  lva.name = name
  lva
end

.node_to_model(node) ⇒ Object 



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# File 'lib/rubymm/parser.rb', line 42

def self.node_to_model(node)
  return nil if node==nil
  #puts "#{node} #{node.node_type.name}"
  case node.node_type.name
  when 'NEWLINENODE'
    node_to_model node.next_node
  when 'CALLNODE'
    model = RubyMM::Call.new
    model.name = node.name
    model.receiver = node_to_model node.receiver
    model.args = args_to_model node.args
    model.implicit_receiver = false
    model
  when 'VCALLNODE'
    model = RubyMM::Call.new
    model.name = node.name
    #model.receiver = node_to_model node.receiver
    #model.args = args_to_model node.args
    model.implicit_receiver = false
    model
  when 'FCALLNODE'
    model = RubyMM::Call.new
    model.name = node.name
    #model.receiver = node_to_model node.receiver
    model.args = args_to_model node.args
    model.implicit_receiver = true
    model   
  when 'DEFNNODE'
    model = RubyMM::Def.new
    model.name = node.name
    model.body = node_to_model node.body
    model.onself = false
    model
  when 'DEFSNODE'
    model = RubyMM::Def.new
    model.name = node.name
    model.body = node_to_model node.body
    model.onself = true
    model
  when 'BLOCKNODE'
    model = RubyMM::Block.new   
    for i in 0..(node.size-1)
      content_at_i = node_to_model(node.get i)
      #puts "Adding to contents #{content_at_i}" 
      model.contents = (model.contents << content_at_i)
      #puts "Contents #{model.contents.class}"
    end
    model
  when 'FIXNUMNODE'
    model = RubyMM::IntLiteral.new
    model.value = node.value
    model
  when 'STRNODE'
    model = RubyMM::StringLiteral.new
    model.value = node.value
    model.dynamic = false
    model
  when 'DSTRNODE'
    model = RubyMM::StringLiteral.new
    #model.value = node.value
    model.dynamic = true
    for i in 0..(node.size-1)
      model.pieces = model.pieces << node_to_model(node.get i)
    end
    model
  when 'EVSTRNODE'
    node_to_model(node.body)
  when 'CLASSNODE'
    model = RubyMM::ClassDecl.new
    model.defname = node_to_model(node.getCPath)
    model.super_class = node_to_model(node.super)
    body_node_to_contents(node.body_node,model)
    model
  when 'MODULENODE'
    model = RubyMM::ModuleDecl.new
    model.defname = node_to_model(node.getCPath)
    body_node_to_contents(node.body_node,model)
    model
  when 'NILNODE'
    if node.is_a? Java::OrgJrubyparserAst::NilImplicitNode
      return nil
    else
      RubyMM::NilLiteral.new
    end
  when 'COLON2NODE'
    model = RubyMM::Constant.new
    model.name = node.name
    model.container = node_to_model(node.left_node)
    model
  when 'SYMBOLNODE'
    model = RubyMM::Symbol.new
    model.name = node.name
    model
  when 'CONSTNODE'
    model = RubyMM::Constant.new
    model.name = node.name
    model
  when 'LOCALASGNNODE'
    model = RubyMM::LocalVarAssignment.new
    model.name_assigned = node.name
    model.value = node_to_model(node.value)
    model
  when 'LOCALVARNODE'
    model = RubyMM::LocalVarAccess.new
    model.name = node.name
    model
  when 'FALSENODE'
    model = RubyMM::BooleanLiteral.new
    model.value = false
    model
  when 'TRUENODE'
    model = RubyMM::BooleanLiteral.new
    model.value = true
    model
  when 'IFNODE'
    model = RubyMM::IfStatement.new
    model
  when 'GLOBALVARNODE'
    model = RubyMM::GlobalVarAccess.new
    model.name = node.name[1..-1]
    model
  when 'GLOBALASGNNODE'
    model = RubyMM::GlobalVarAssignment.new
    model.name_assigned = node.name[1..-1]
    model.value = node_to_model(node.value)
    model
  when 'HASHNODE'
    model = RubyMM::HashLiteral.new
    count = node.get_list_node.count / 2
    for i in 0..(count-1)
      k_node = node.get_list_node[i*2]
      k = node_to_model(k_node)
      v_node = node.get_list_node[i*2 +1]
      v = node_to_model(v_node)
      pair = RubyMM::HashPair.build key: k, value: v
      model.pairs = model.pairs << pair
    end
    model
  when 'ARRAYNODE'
    model = RubyMM::ArrayLiteral.new
    for i in 0..(node.count-1)
      v_node = node[i]
      v = node_to_model(v_node)
      model.values = model.values << v
    end
    model
  when 'ZARRAYNODE'
    RubyMM::ArrayLiteral.new
  when 'BEGINNODE'
    model = RubyMM::BeginRescue.new
    rescue_node = node.body
    raise 'AssertionFailed' unless rescue_node.node_type.name=='RESCUENODE'
    model.body = node_to_model(rescue_node.body)
    rescue_body_node = rescue_node.rescue
    raise 'AssertionFailed' unless rescue_body_node.node_type.name=='RESCUEBODYNODE'
    model.rescue_body = node_to_model(rescue_body_node.body)
    model
  when 'ATTRASSIGNNODE'
    model = RubyMM::ElementAssignement.new
    model.array = node_to_model(node.receiver)
    model.element = node_to_model(node.args[0])
    model.value = node_to_model(node.args[1])
    model
  when 'INSTASGNNODE'
    model = RubyMM::InstanceVarAssignement.new
    model.name_assigned = node.name[1..-1]
    model.value = node_to_model(node.value)
    model
  when 'INSTVARNODE'
    RubyMM::InstanceVarAccess.build node.name[1..-1]
  when 'RETURNNODE'
    model = RubyMM::Return.new
    model.value = node_to_model(node.value)
    model
  when 'CONSTDECLNODE'
    raise 'Const decl node: not implemented'
  else   
    raise "I don't know how to deal with #{node.node_type.name}"
  end
end

.parse(code) ⇒ Object 



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# File 'lib/rubymm/parser.rb', line 16

def self.parse(code)
  tree = JRubyParser.parse(code)
  #puts "Code: #{code} Root: #{tree}"
  tree_to_model(tree)
end

.parse_file(path) ⇒ Object 



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# File 'lib/rubymm/parser.rb', line 11

def self.parse_file(path)
  content = IO.read(path)
  self.parse(content)
end

.string(value) ⇒ Object 



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# File 'lib/rubymm/metamodel.rb', line 79

def self.string(value)
  StringLiteral.build(value)
end

.tree_to_model(tree) ⇒ Object 



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# File 'lib/rubymm/parser.rb', line 22

def self.tree_to_model(tree)
  unless tree.node_type.name=='ROOTNODE' 
    raise 'Root expected'
  end
  node_to_model tree.body
end