Class: CodeModels::Java::Parser

Inherits:
CodeModels::Javaparserwrapper::ParserJavaWrapper
  • Object
show all
Defined in:
lib/codemodels/java/parser.rb

Defined Under Namespace

Classes: MyBasicTransformationFactory

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Parser

Returns a new instance of Parser.



35
36
37
38
39
 
# File 'lib/codemodels/java/parser.rb', line 35

def initialize()
	super
	@transformer.factory = MyBasicTransformationFactory.new
	@transformer.factory.target_module = CodeModels::Java
end

Instance Method Details

#containment_pos(node) ⇒ Object 



41
42
43
44
45
46
47
48
49
50
51
52
53
 
# File 'lib/codemodels/java/parser.rb', line 41

def containment_pos(node)
	container = node.eContainer
	children  = node.eContainer.send(node.eContainingFeature)
	if children.respond_to?(:each)
		children.each_with_index do |c,i|
			return i if c==node
		end
		raise "Not found"
	else
		raise "Not found" unless children==node
		0
	end
end

#corresponding_node(model_element, node_tree) ⇒ Object

node tree contains the original



56
57
58
59
60
61
62
63
64
65
66
67
68
 
# File 'lib/codemodels/java/parser.rb', line 56

def corresponding_node(model_element,node_tree)
	return node_tree unless model_element.eContainer
	corresponding_parent_node = corresponding_node(model_element.eContainer,node_tree)
	containment_pos = containment_pos(model_element)
	containing_feat = model_element.eContainingFeature

	children = corresponding_parent_node.send(containing_feat)
	if children.respond_to?(:each)
		children[containment_pos]
	else
		children
	end
end

#corresponding_node_from_code(model_element, code) ⇒ Object 



77
78
79
80
81
82
 
# File 'lib/codemodels/java/parser.rb', line 77

def corresponding_node_from_code(model_element,code)
	sis = ByteArrayInputStream.new(code.to_java_bytes)
	node_tree = JavaParser.parse(sis)
	sis.close
	corresponding_node(model_element,node_tree)
end

#get_corresponding_metaclass(node) ⇒ Object 



88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
 
# File 'lib/codemodels/java/parser.rb', line 88

def get_corresponding_metaclass(node)
	node_class = node.class
	name = CodeModels::Javaparserwrapper::Utils.simple_java_class_name(node_class)
	name = "#{(node.operator.name).proper_capitalize}BinaryExpr" if name=='BinaryExpr'
	if node.class.to_s=='Java::JapaParserAstBody::MethodDeclaration'
		if node.parent.class.to_s=='Java::JapaParserAstExpr::ObjectCreationExpr'
			name = 'ClassMethodDeclaration'
		elsif node.parent.class.to_s=='Java::JapaParserAstBody::EnumDeclaration'
			name = 'ClassMethodDeclaration' 
		elsif node.parent.interface?				
			name = 'InterfaceMethodDeclaration'
		else
			name = 'ClassMethodDeclaration'
		end
	end
	return Java.const_get(name)
end

#node_tree_from_code(code) ⇒ Object 



70
71
72
73
74
75
 
# File 'lib/codemodels/java/parser.rb', line 70

def node_tree_from_code(code)
	sis = ByteArrayInputStream.new(code.to_java_bytes)
	node_tree = JavaParser.parse(sis)
	sis.close
	node_tree
end

#parse_code(code) ⇒ Object 



84
85
86
 
# File 'lib/codemodels/java/parser.rb', line 84

def parse_code(code)	
	node_to_model(node_tree_from_code(code))
end