@Override
public AstNode caseStatement(AstNode expression, Iterable<AstNode> statements) {
SwitchCase s = new SwitchCase();
s.setExpression(expression);
for (AstNode stmt : statements) {
if (stmt != null) {
s.addStatement(stmt);
}
}
return s;
}
public void testLinenoSwitch() {
AstRoot root =
parse(
"\nswitch (a) {\n"
+ " case\n"
+ " 1:\n"
+ " b++;\n"
+ " case 2:\n"
+ " default:\n"
+ " b--;\n"
+ " }\n");
SwitchStatement switchStmt = (SwitchStatement) root.getFirstChild();
AstNode switchVar = switchStmt.getExpression();
List<SwitchCase> cases = switchStmt.getCases();
SwitchCase firstCase = cases.get(0);
AstNode caseArg = firstCase.getExpression();
List<AstNode> caseBody = firstCase.getStatements();
ExpressionStatement exprStmt = (ExpressionStatement) caseBody.get(0);
UnaryExpression incrExpr = (UnaryExpression) exprStmt.getExpression();
AstNode incrVar = incrExpr.getOperand();
SwitchCase secondCase = cases.get(1);
AstNode defaultCase = cases.get(2);
AstNode returnStmt = (AstNode) switchStmt.getNext();
assertEquals(1, switchStmt.getLineno());
assertEquals(1, switchVar.getLineno());
assertEquals(2, firstCase.getLineno());
assertEquals(3, caseArg.getLineno());
assertEquals(4, exprStmt.getLineno());
assertEquals(4, incrExpr.getLineno());
assertEquals(4, incrVar.getLineno());
assertEquals(5, secondCase.getLineno());
assertEquals(6, defaultCase.getLineno());
}
/**
* Actual visiting method.
*
* @param node The node that is currently visited.
* @return Whether to visit the children.
*/
@Override
public boolean visit(AstNode node) {
if (node instanceof FunctionNode) {
FunctionNode func = (FunctionNode) node;
String functionName = getFunctionName(func);
if (functionName.equals(funcName)) {
Node domNode = nodeProp.getNode();
String xpath = domNode.xpath;
String line = nodeProp.getLine();
String value = nodeProp.getValue();
String typeofAccess = nodeProp.getTypeOfAccess();
String property = nodeProp.getProperty();
AstNode newNode =
createMutationNode(
func, xpath, ProgramPoint.ENTERPOSTFIX, typeofAccess, property, shouldDeleteNode);
func.getBody().addChildToFront(newNode);
/* get last line of the function */
AstNode lastnode = (AstNode) func.getBody().getLastChild();
/* if this is not a return statement, we need to add logging here also */
if (!(lastnode instanceof ReturnStatement)) {
newNode =
createMutationNode(
func, xpath, ProgramPoint.EXITPOSTFIX, typeofAccess, property, shouldDeleteNode);
/* add as last statement */
func.getBody().addChildToBack(newNode);
}
}
} else if (node instanceof SwitchCase) {
// Add block around all statements in the switch case
SwitchCase sc = (SwitchCase) node;
List<AstNode> statements = sc.getStatements();
List<AstNode> blockStatement = new ArrayList<AstNode>();
Block b = new Block();
if (statements != null) {
Iterator<AstNode> it = statements.iterator();
while (it.hasNext()) {
AstNode stmnt = it.next();
b.addChild(stmnt);
}
blockStatement.add(b);
sc.setStatements(blockStatement);
}
} else if (node instanceof ReturnStatement) {
FunctionNode func = node.getEnclosingFunction();
String functionName = getFunctionName(func);
if (functionName.equals(funcName)) {
Node domNode = nodeProp.getNode();
String xpath = domNode.xpath;
String line = nodeProp.getLine();
String value = nodeProp.getValue();
String typeofAccess = nodeProp.getTypeOfAccess();
String property = nodeProp.getProperty();
AstNode newNode =
createMutationNode(
func, xpath, ProgramPoint.EXITPOSTFIX, typeofAccess, property, shouldDeleteNode);
AstNode parent = makeSureBlockExistsAround(node);
/* the parent is something we can prepend to */
parent.addChildBefore(newNode, node);
}
}
return true;
}
