/**
* Create a new block node with two children.
*
* @param node The child.
* @return The new block.
*/
private Block createBlockWithNode(AstNode node) {
Block b = new Block();
b.addChild(node);
return b;
}
public void testLinenoTry() {
AstRoot root =
parse(
"\ntry {\n"
+ " var x = 1;\n"
+ "} catch\n"
+ " (err)\n"
+ "{\n"
+ "} finally {\n"
+ " var y = 2;\n"
+ "}\n");
TryStatement tryStmt = (TryStatement) root.getFirstChild();
AstNode tryBlock = tryStmt.getTryBlock();
List<CatchClause> catchBlocks = tryStmt.getCatchClauses();
CatchClause catchClause = catchBlocks.get(0);
Block catchVarBlock = catchClause.getBody();
Name catchVar = catchClause.getVarName();
AstNode finallyBlock = tryStmt.getFinallyBlock();
AstNode finallyStmt = (AstNode) finallyBlock.getFirstChild();
assertEquals(1, tryStmt.getLineno());
assertEquals(1, tryBlock.getLineno());
assertEquals(5, catchVarBlock.getLineno());
assertEquals(4, catchVar.getLineno());
assertEquals(3, catchClause.getLineno());
assertEquals(6, finallyBlock.getLineno());
assertEquals(7, finallyStmt.getLineno());
}
@Override
public AstNode block(Iterable<AstNode> statements) {
Block block = new Block();
for (AstNode stmt : statements) {
if (stmt != null) {
block.addStatement(stmt);
}
}
return block;
}
@Override
public AstNode catchClause(AstNode varName, AstNode body) {
CatchClause c = new CatchClause();
c.setVarName(cast(varName, Name.class));
if (body instanceof Block) {
c.setBody((Block) body);
} else {
Block b = new Block();
b.addStatement(body);
c.setBody(b);
}
return c;
}
@Override
public AstNode addStatement(AstNode blockOrStatement, AstNode statement) {
if (blockOrStatement instanceof Block) {
((Block) blockOrStatement).addStatement(statement);
return blockOrStatement;
}
Block block = new Block();
if (blockOrStatement != null) {
block.addStatement(blockOrStatement);
}
if (statement != null) {
block.addStatement(statement);
}
return block;
}
@Override
public AstNode addStatementBeginning(AstNode blockOrStatement, AstNode statement) {
if (blockOrStatement instanceof Block) {
if (statement != null) {
blockOrStatement.addChildrenToFront(statement);
statement.setParent(blockOrStatement);
}
return blockOrStatement;
}
Block block = new Block();
if (statement != null) {
block.addStatement(statement);
}
if (blockOrStatement != null) {
block.addStatement(blockOrStatement);
}
return block;
}
/**
* 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;
}