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Code Issues Wiki Activity

Code streamlining.

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This commit is contained in:
Sergey Prigogin 2011-05-20 18:31:20 +00:00
parent be065cee02
commit bf14a317b4
1 changed files with 67 additions and 69 deletions
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136
codan/org.eclipse.cdt.codan.checkers/src/org/eclipse/cdt/codan/internal/checkers/NonVirtualDestructor.java
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@ -84,81 +84,79 @@ public class NonVirtualDestructor extends AbstractIndexAstChecker {
private boolean hasErrorCondition(IASTDeclSpecifier decl) throws DOMException {
ICPPASTCompositeTypeSpecifier spec = (ICPPASTCompositeTypeSpecifier) decl;
className = spec.getName();
IBinding binding = className.getBinding();
if (binding == null) {
binding = className.resolveBinding();
}
IBinding binding = className.resolveBinding();
if (binding instanceof ICPPClassType) {
ICPPClassType classType = (ICPPClassType) binding;
virtualMethod = null;
destructor = null;
// check for the following conditions:
// class has own virtual method and own non-virtual destructor
// class has own virtual method and base non-virtual destructor
// class has base virtual method and own non-virtual destructor
ICPPMethod[] declaredMethods = classType.getDeclaredMethods();
boolean hasOwnVirtualMethod = false;
boolean hasOwnNonVirDestructor = false;
boolean hasDestructor = false;
boolean hasVirtualMethod = false;
for (ICPPMethod method : declaredMethods) {
if (method.isVirtual() && !method.isDestructor()) {
hasOwnVirtualMethod = true;
return false;
}
ICPPClassType classType = (ICPPClassType) binding;
virtualMethod = null;
destructor = null;
// check for the following conditions:
// class has own virtual method and own non-virtual destructor
// class has own virtual method and base non-virtual destructor
// class has base virtual method and own non-virtual destructor
ICPPMethod[] declaredMethods = classType.getDeclaredMethods();
boolean hasOwnVirtualMethod = false;
boolean hasOwnNonVirDestructor = false;
boolean hasDestructor = false;
boolean hasVirtualMethod = false;
for (ICPPMethod method : declaredMethods) {
if (method.isVirtual() && !method.isDestructor()) {
hasOwnVirtualMethod = true;
virtualMethod = method;
}
if (method.isDestructor()) {
hasDestructor = true;
if (!method.isVirtual()) {
hasOwnNonVirDestructor = true;
destructor = method;
}
}
}
boolean hasVirtualDestructor = false;
// Class has own virtual method and own non-virtual destructor.
if (hasOwnVirtualMethod && hasOwnNonVirDestructor) {
if (destructor instanceof ICPPMethod) {
// Check if dtor is public or is accessible by friends.
if (((ICPPMethod) destructor).getVisibility() != ICPPASTVisibilityLabel.v_public &&
classType.getFriends().length == 0) {
return false;
}
}
// Check if one of its base classes has a virtual destructor.
return !hasVirtualDtorInBaseClass(classType);
}
// Class does not have virtual methods but has virtual destructor
// - not an error
if (!hasOwnVirtualMethod && hasDestructor && !hasOwnNonVirDestructor) {
return false;
}
ICPPMethod[] allDeclaredMethods = classType.getAllDeclaredMethods();
for (ICPPMethod method : allDeclaredMethods) {
if (method.isVirtual() && !method.isDestructor()) {
hasVirtualMethod = true;
if (virtualMethod == null)
virtualMethod = method;
}
if (method.isDestructor()) {
hasDestructor = true;
if (!method.isVirtual()) {
hasOwnNonVirDestructor = true;
}
if (method.isDestructor()) {
hasDestructor = true;
if (method.isVirtual()) {
hasVirtualDestructor = true;
} else {
if (destructor == null)
destructor = method;
}
}
}
boolean hasVirtualDestructor = false;
// Class has own virtual method and own non-virtual destructor.
if (hasOwnVirtualMethod && hasOwnNonVirDestructor) {
if (destructor instanceof ICPPMethod) {
// Check if dtor is public or is accessible by friends.
if (((ICPPMethod) destructor).getVisibility() != ICPPASTVisibilityLabel.v_public &&
classType.getFriends().length == 0) {
return false;
}
}
// Check if one of its base classes has a virtual destructor.
return !hasVirtualDtorInBaseClass(classType);
}
if (hasOwnVirtualMethod) {
// Class has own virtual method and base non-virtual destructor.
if (hasDestructor && !hasVirtualDestructor) {
return true;
}
// Class does not have virtual methods but has virtual destructor
// - not an error
if (!hasOwnVirtualMethod && hasDestructor && !hasOwnNonVirDestructor) {
return false;
}
ICPPMethod[] allDeclaredMethods = classType.getAllDeclaredMethods();
for (ICPPMethod method : allDeclaredMethods) {
if (method.isVirtual() && !method.isDestructor()) {
hasVirtualMethod = true;
if (virtualMethod == null)
virtualMethod = method;
}
if (method.isDestructor()) {
hasDestructor = true;
if (method.isVirtual()) {
hasVirtualDestructor = true;
} else {
if (destructor == null)
destructor = method;
}
}
}
if (hasOwnVirtualMethod) {
// Class has own virtual method and base non-virtual destructor.
if (hasDestructor && !hasVirtualDestructor) {
return true;
}
} else if (hasVirtualMethod) {
// Class has base virtual method and own non-virtual destructor.
if (hasOwnNonVirDestructor) {
return true;
}
} else if (hasVirtualMethod) {
// Class has base virtual method and own non-virtual destructor.
if (hasOwnNonVirDestructor) {
return true;
}
}
return false;