mirrors/cdt
1
0
Fork 0
mirror of https://github.com/eclipse-cdt/cdt synced 2025-04-29 19:45:01 +02:00
Code Issues Wiki Activity

Bug 390782 - NPE in AssignmentToItselfChecker$1.isAssignmentToItself

Browse source
This commit is contained in:
Sergey Prigogin 2013-08-28 13:51:59 -07:00
parent 3e0f5e9e44
commit af5a14ac6d
1 changed files with 13 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
codan/org.eclipse.cdt.codan.checkers/src/org/eclipse/cdt/codan/internal/checkers/AssignmentToItselfChecker.java
View file

@ -41,16 +41,20 @@ public class AssignmentToItselfChecker extends AbstractIndexAstChecker {
return PROCESS_CONTINUE;
}
private boolean isAssignmentToItself(IASTExpression e) {
if (e instanceof IASTBinaryExpression) {
IASTBinaryExpression binExpr = (IASTBinaryExpression) e;
private boolean isAssignmentToItself(IASTExpression expr) {
if (expr instanceof IASTBinaryExpression) {
IASTBinaryExpression binExpr = (IASTBinaryExpression) expr;
if (binExpr.getOperator() == IASTBinaryExpression.op_assign) {
String op1 = binExpr.getOperand1().getRawSignature();
String op2 = binExpr.getOperand2().getRawSignature();
String expr = binExpr.getRawSignature();
return op1.equals(op2)
// When macro is used, RawSignature returns macro name, see bug 321933
&& !op1.equals(expr);
IASTExpression operand1 = binExpr.getOperand1();
IASTExpression operand2 = binExpr.getOperand2();
if (operand1 != null && operand2 != null) {
String op1 = operand1.getRawSignature();
String op2 = operand2.getRawSignature();
String exprImage = binExpr.getRawSignature();
return op1.equals(op2)
// When macro is used, RawSignature returns macro name, see bug 321933
&& !op1.equals(exprImage);
}
}
}
return false;