An Approach to Semantic and Structural Features Learning for Software Defect Prediction

Table 1

The selected AST nodes.

ID	Node types	AST node record
	Method invocations and class instance creations	MethodInvocation, SuperMethodInvocation, MemberReference, SuperMemberReference
	Declaration nodes	PackageDeclaration, InterfaceDeclaration, ClassDeclaration, MethodDeclaration, ConstructorDeclaration, VariableDeclarator, CatchClauseParameter, FormalParameter , TryResource, ReferenceType, BasicType
	Control flow nodes	IfStatement, WhileStatement, DoStatementForStatement, AssertStatement, BreakStatementContinueStatement, ReturnStatement, ThrowStatement, SynchronizedStatement, TryStatement, SwitchStatementBlockStatement, StatementExpression, CatchClauseSwitchStatementCase, ForControl, EnhancedForControl