C++: Fix some Matcher::match() functions

...before using Matcher instead of {Type,Name}::isEqualTo().

Change-Id: Iba1c04064799fe9c81fe997dbd54fc02b15cdec7
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

src/libs/3rdparty/cplusplus/Matcher.cpp

@@ -35,6 +35,12 @@
 
 using namespace CPlusPlus;
 
+static Matcher *defaultMatcher()
+{
+    static Matcher matcher;
+    return &matcher;
+}
+
 Matcher::Matcher()
 {
 }
@@ -50,7 +56,7 @@ bool Matcher::match(const Type *type, const Type *otherType, Matcher *matcher)
     if (!type || !otherType)
         return false;
 
-    return type->match0(otherType, matcher);
+    return type->match0(otherType, matcher ? matcher : defaultMatcher());
 }
 
 bool Matcher::match(const Name *name, const Name *otherName, Matcher *matcher)
@@ -60,7 +66,7 @@ bool Matcher::match(const Name *name, const Name *otherName, Matcher *matcher)
     if (!name || !otherName)
         return false;
 
-    return name->match0(otherName, matcher);
+    return name->match0(otherName, matcher ? matcher : defaultMatcher());
 }
 
 bool Matcher::match(const UndefinedType *, const UndefinedType *)
@@ -161,7 +167,13 @@ bool Matcher::match(const NamedType *type, const NamedType *otherType)
 
 bool Matcher::match(const Function *type, const Function *otherType)
 {
-    if (type != otherType)
+    if (type == otherType)
+        return true;
+
+    else if (! type->isSignatureEqualTo(otherType, this))
+        return false;
+
+    else if (! type->returnType().match(otherType->returnType(), this))
         return false;
 
     return true;
@@ -169,7 +181,10 @@ bool Matcher::match(const Function *type, const Function *otherType)
 
 bool Matcher::match(const Enum *type, const Enum *otherType)
 {
-    if (type != otherType)
+    if (type == otherType)
+        return true;
+
+    else if (! Name::match(type->unqualifiedName(), otherType->unqualifiedName(), this))
         return false;
 
     return true;
@@ -177,7 +192,10 @@ bool Matcher::match(const Enum *type, const Enum *otherType)
 
 bool Matcher::match(const Namespace *type, const Namespace *otherType)
 {
-    if (type != otherType)
+    if (type == otherType)
+        return true;
+
+    else if (! Name::match(type->unqualifiedName(), otherType->unqualifiedName(), this))
         return false;
 
     return true;
@@ -193,7 +211,10 @@ bool Matcher::match(const Template *type, const Template *otherType)
 
 bool Matcher::match(const ForwardClassDeclaration *type, const ForwardClassDeclaration *otherType)
 {
-    if (type != otherType)
+    if (type == otherType)
+        return true;
+
+    else if (! Name::match(type->name(), otherType->name(), this))
         return false;
 
     return true;
@@ -201,7 +222,10 @@ bool Matcher::match(const ForwardClassDeclaration *type, const ForwardClassDecla
 
 bool Matcher::match(const Class *type, const Class *otherType)
 {
-    if (type != otherType)
+    if (type == otherType)
+        return true;
+
+    else if (! Name::match(type->unqualifiedName(), otherType->unqualifiedName(), this))
         return false;
 
     return true;
@@ -209,7 +233,10 @@ bool Matcher::match(const Class *type, const Class *otherType)
 
 bool Matcher::match(const ObjCClass *type, const ObjCClass *otherType)
 {
-    if (type != otherType)
+    if (type == otherType)
+        return true;
+
+    else if (! Name::match(type->unqualifiedName(), otherType->unqualifiedName(), this))
         return false;
 
     return true;
@@ -217,7 +244,10 @@ bool Matcher::match(const ObjCClass *type, const ObjCClass *otherType)
 
 bool Matcher::match(const ObjCProtocol *type, const ObjCProtocol *otherType)
 {
-    if (type != otherType)
+    if (type == otherType)
+        return true;
+
+    else if (! Name::match(type->unqualifiedName(), otherType->unqualifiedName(), this))
         return false;
 
     return true;
@@ -225,7 +255,10 @@ bool Matcher::match(const ObjCProtocol *type, const ObjCProtocol *otherType)
 
 bool Matcher::match(const ObjCForwardClassDeclaration *type, const ObjCForwardClassDeclaration *otherType)
 {
-    if (type != otherType)
+    if (type == otherType)
+        return true;
+
+    else if (! Name::match(type->name(), otherType->name(), this))
         return false;
 
     return true;
@@ -233,7 +266,10 @@ bool Matcher::match(const ObjCForwardClassDeclaration *type, const ObjCForwardCl
 
 bool Matcher::match(const ObjCForwardProtocolDeclaration *type, const ObjCForwardProtocolDeclaration *otherType)
 {
-    if (type != otherType)
+    if (type == otherType)
+        return true;
+
+    else if (! Name::match(type->name(), otherType->name(), this))
         return false;
 
     return true;
@@ -241,9 +277,25 @@ bool Matcher::match(const ObjCForwardProtocolDeclaration *type, const ObjCForwar
 
 bool Matcher::match(const ObjCMethod *type, const ObjCMethod *otherType)
 {
-    if (type != otherType)
+    if (type == otherType)
+        return true;
+
+    else if (! Name::match(type->unqualifiedName(), otherType->unqualifiedName(), this))
         return false;
 
+    else if (type->argumentCount() != otherType->argumentCount())
+        return false;
+
+    else if (! type->returnType().match(otherType->returnType(), this))
+        return false;
+
+    for (unsigned i = 0; i < type->argumentCount(); ++i) {
+        Symbol *l = type->argumentAt(i);
+        Symbol *r = otherType->argumentAt(i);
+        if (! l->type().match(r->type(), this))
+            return false;
+    }
+
     return true;
 }
 
@@ -301,8 +353,7 @@ bool Matcher::match(const QualifiedNameId *name, const QualifiedNameId *otherNam
 bool Matcher::match(const SelectorNameId *name, const SelectorNameId *otherName)
 {
     const unsigned nc = name->nameCount();
-    if (name->hasArguments() != otherName->hasArguments() ||
-            nc != otherName->nameCount())
+    if (name->hasArguments() != otherName->hasArguments() || nc != otherName->nameCount())
         return false;
     for (unsigned i = 0; i < nc; ++i)
         if (!Name::match(name->nameAt(i), otherName->nameAt(i), this))

src/libs/3rdparty/cplusplus/Matcher.h

@@ -43,8 +43,8 @@ public:
     Matcher();
     virtual ~Matcher();
 
-    static bool match(const Type *type, const Type *otherType, Matcher *matcher);
-    static bool match(const Name *name, const Name *otherName, Matcher *matcher);
+    static bool match(const Type *type, const Type *otherType, Matcher *matcher = 0);
+    static bool match(const Name *name, const Name *otherName, Matcher *matcher = 0);
 
     virtual bool match(const UndefinedType *type, const UndefinedType *otherType);
     virtual bool match(const VoidType *type, const VoidType *otherType);

src/libs/3rdparty/cplusplus/Symbols.cpp

@@ -222,7 +222,7 @@ int Function::methodKey() const
 void Function::setMethodKey(int key)
 { f._methodKey = key; }
 
-bool Function::isSignatureEqualTo(const Function *other) const
+bool Function::isSignatureEqualTo(const Function *other, Matcher *matcher) const
 {
     if (! other)
         return false;
@@ -230,22 +230,19 @@ bool Function::isSignatureEqualTo(const Function *other) const
         return false;
     else if (isVolatile() != other->isVolatile())
         return false;
+    else if (! Matcher::match(unqualifiedName(), other->unqualifiedName(), matcher))
+        return false;
 
-    const Name *l = unqualifiedName();
-    const Name *r = other->unqualifiedName();
-    if (l == r || (l && l->isEqualTo(r))) {
     const unsigned argc = argumentCount();
     if (argc != other->argumentCount())
         return false;
     for (unsigned i = 0; i < argc; ++i) {
         Symbol *l = argumentAt(i);
         Symbol *r = other->argumentAt(i);
-            if (! l->type().isEqualTo(r->type()))
+        if (! l->type().match(r->type(), matcher))
             return false;
     }
     return true;
-    }
-    return false;
 }
 
 bool Function::isEqualTo(const Type *other) const

src/libs/3rdparty/cplusplus/Symbols.h

@@ -347,7 +347,7 @@ public:
     bool isPureVirtual() const;
     void setPureVirtual(bool isPureVirtual);
 
-    bool isSignatureEqualTo(const Function *other) const;
+    bool isSignatureEqualTo(const Function *other, Matcher *matcher = 0) const;
 
     // Symbol's interface
     virtual FullySpecifiedType type() const;