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Fixed possible crash in dangling pointers in namespaces.

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Patch by: Bill King
This commit is contained in:
Erik Verbruggen
2010-03-23 11:15:16 +01:00
parent 84344041b8
commit b0b95f8875
4 changed files with 237 additions and 131 deletions
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76
src/libs/cplusplus/CppBindings.h
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@@ -81,11 +81,11 @@ public:
virtual ~Binding() {}
virtual QByteArray qualifiedId() const = 0;
virtual NamespaceBinding *asNamespaceBinding() { return 0; }
virtual ClassBinding *asClassBinding() { return 0; }
virtual NamespaceBinding *asNamespaceBinding() const { return 0; }
virtual ClassBinding *asClassBinding() const { return 0; }
virtual ClassBinding *findClassBinding(const Name *name, QSet<Binding *> *processed) = 0;
virtual Binding *findClassOrNamespaceBinding(const Identifier *id, QSet<Binding *> *processed) = 0;
virtual ClassBinding *findClassBinding(const Name *name, QSet<const Binding *> *processed) const = 0;
virtual Binding *findClassOrNamespaceBinding(const Identifier *id, QSet<const Binding *> *processed) const = 0;
};
class CPLUSPLUS_EXPORT NamespaceBinding: public Binding
@@ -104,20 +104,20 @@ public:
const Identifier *identifier() const;
/// Returns the binding for the global namespace (aka ::).
NamespaceBinding *globalNamespaceBinding();
NamespaceBinding *globalNamespaceBinding() const;
/// Returns the binding for the given namespace symbol.
NamespaceBinding *findNamespaceBinding(const Name *name);
NamespaceBinding *findNamespaceBinding(const Name *name) const;
/// Returns the binding associated with the given symbol.
NamespaceBinding *findOrCreateNamespaceBinding(Namespace *symbol);
NamespaceBinding *resolveNamespace(const Location &loc,
const Name *name,
bool lookAtParent = true);
bool lookAtParent = true) const;
virtual ClassBinding *findClassBinding(const Name *name, QSet<Binding *> *processed);
virtual Binding *findClassOrNamespaceBinding(const Identifier *id, QSet<Binding *> *processed);
virtual ClassBinding *findClassBinding(const Name *name, QSet<const Binding *> *processed) const;
virtual Binding *findClassOrNamespaceBinding(const Identifier *id, QSet<const Binding *> *processed) const;
/// Helpers.
virtual QByteArray qualifiedId() const;
@@ -128,31 +128,46 @@ public:
static NamespaceBinding *find(Namespace *symbol, NamespaceBinding *binding);
static ClassBinding *find(Class *symbol, NamespaceBinding *binding);
NamespaceBinding *parent() const {return parent_;}
NamespaceBinding *anonymousNamespaceBinding() const {return anonymousNamespaceBinding_;}
void setAnonymousNamespaceBinding(NamespaceBinding *binding) { anonymousNamespaceBinding_ = binding; }
const QList<NamespaceBinding *> &children() const {return children_;}
void addChild(NamespaceBinding *);
void removeChild(NamespaceBinding *);
const QList<NamespaceBinding *> &usings() const {return usings_;}
void addUsing(NamespaceBinding *);
void removeUsing(NamespaceBinding *);
const QList<Namespace *> &symbols() const {return symbols_;}
void addSymbol(Namespace *);
void removeSymbol(Namespace *);
const QList<ClassBinding *> &classBindings() const {return classBindings_;}
void addClassBinding(ClassBinding *);
void removeClassBinding(ClassBinding *);
private:
NamespaceBinding *findNamespaceBindingForNameId(const NameId *name,
bool lookAtParentNamespace);
bool lookAtParentNamespace) const;
NamespaceBinding *findNamespaceBindingForNameId_helper(const NameId *name,
bool lookAtParentNamespace,
QSet<NamespaceBinding *> *processed);
QSet<const NamespaceBinding *> *processed) const;
public: // attributes
private: // attributes
/// This binding's parent.
NamespaceBinding *parent;
NamespaceBinding *parent_;
/// Binding for anonymous namespace symbols.
NamespaceBinding *anonymousNamespaceBinding;
NamespaceBinding *anonymousNamespaceBinding_;
/// This binding's connections.
QList<NamespaceBinding *> children;
QList<NamespaceBinding *> children_;
/// This binding's list of using namespaces.
QList<NamespaceBinding *> usings;
QList<NamespaceBinding *> usings_;
/// This binding's namespace symbols.
QList<Namespace *> symbols;
QList<Namespace *> symbols_;
QList<ClassBinding *> classBindings;
QList<ClassBinding *> classBindings_;
};
class CPLUSPLUS_EXPORT ClassBinding: public Binding
@@ -171,21 +186,32 @@ public:
const Identifier *identifier() const;
virtual QByteArray qualifiedId() const;
virtual ClassBinding *findClassBinding(const Name *name, QSet<Binding *> *processed);
virtual Binding *findClassOrNamespaceBinding(const Identifier *id, QSet<Binding *> *processed);
virtual ClassBinding *findClassBinding(const Name *name, QSet<const Binding *> *processed) const;
virtual Binding *findClassOrNamespaceBinding(const Identifier *id, QSet<const Binding *> *processed) const;
void dump();
public: // attributes
Binding *parent;
Binding *parent() const { return parent_; }
const QList<ClassBinding *> &children() const { return children_; }
void addChild(ClassBinding *);
void removeChild(ClassBinding *);
const QList<Class *> &symbols() const { return symbols_; }
void addSymbol(Class *symbol);
void removeSymbol(Class *symbol);
const QList<ClassBinding *> &baseClassBindings() const { return baseClassBindings_; }
void addBaseClassBinding(ClassBinding *);
void removeBaseClassBinding(ClassBinding *);
QList<ClassBinding *> children;
private: // attributes
Binding *parent_;
QList<ClassBinding *> children_;
/// This binding's class symbols.
QList<Class *> symbols;
QList<Class *> symbols_;
/// Bindings for the base classes.
QList<ClassBinding *> baseClassBindings;
QList<ClassBinding *> baseClassBindings_;
};
CPLUSPLUS_EXPORT NamespaceBindingPtr bind(Document::Ptr doc, Snapshot snapshot);