Use nullptr to initialize the pointers

Change-Id: I59d743f585410cb5c00d36a7b6f9a3e9d696d19e
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

8 files changed, 75 insertions, 75 deletions

diff --git a/src/lib/corelib/parser/qmlerror.cpp b/src/lib/corelib/parser/qmlerror.cpp
index 6556ba8a5..c6fd2e27c 100644
--- a/src/lib/corelib/parser/qmlerror.cpp
+++ b/src/lib/corelib/parser/qmlerror.cpp
@@ -94,7 +94,7 @@ QmlErrorPrivate::QmlErrorPrivate()
     Creates an empty error object.
 */
 QmlError::QmlError()
-: d(0)
+: d(nullptr)
 {
 }
 
@@ -102,7 +102,7 @@ QmlError::QmlError()
     Creates a copy of \a other.
 */
 QmlError::QmlError(const QmlError &other)
-: d(0)
+: d(nullptr)
 {
     *this = other;
 }
@@ -114,7 +114,7 @@ QmlError &QmlError::operator=(const QmlError &other)
 {
     if (!other.d) {
         delete d;
-        d = 0;
+        d = nullptr;
     } else {
         if (!d) d = new QmlErrorPrivate;
         d->url = other.d->url;
@@ -130,7 +130,7 @@ QmlError &QmlError::operator=(const QmlError &other)
 */
 QmlError::~QmlError()
 {
-    delete d; d = 0;
+    delete d; d = nullptr;
 }
 
 /*!
@@ -138,7 +138,7 @@ QmlError::~QmlError()
 */
 bool QmlError::isValid() const
 {
-    return d != 0;
+    return d != nullptr;
 }
 
 /*!
diff --git a/src/lib/corelib/parser/qmljsast.cpp b/src/lib/corelib/parser/qmljsast.cpp
index 1d0d87b2e..8c87f80b2 100644
--- a/src/lib/corelib/parser/qmljsast.cpp
+++ b/src/lib/corelib/parser/qmljsast.cpp
@@ -60,22 +60,22 @@ void Node::accept(Node *node, Visitor *visitor)
 
 ExpressionNode *Node::expressionCast()
 {
-    return 0;
+    return nullptr;
 }
 
 BinaryExpression *Node::binaryExpressionCast()
 {
-    return 0;
+    return nullptr;
 }
 
 Statement *Node::statementCast()
 {
-    return 0;
+    return nullptr;
 }
 
 UiObjectMember *Node::uiObjectMemberCast()
 {
-    return 0;
+    return nullptr;
 }
 
 ExpressionNode *ExpressionNode::expressionCast()
diff --git a/src/lib/corelib/parser/qmljsast_p.h b/src/lib/corelib/parser/qmljsast_p.h
index 072c77521..d7b627a4b 100644
--- a/src/lib/corelib/parser/qmljsast_p.h
+++ b/src/lib/corelib/parser/qmljsast_p.h
@@ -110,10 +110,10 @@ namespace AST {
 template <typename _T1, typename _T2>
 _T1 cast(_T2 *ast)
 {
-    if (ast && ast->kind == static_cast<_T1>(0)->K)
+    if (ast && ast->kind == static_cast<_T1>(nullptr)->K)
         return static_cast<_T1>(ast);
 
-    return 0;
+    return nullptr;
 }
 
 class QML_PARSER_EXPORT Node: public Managed
@@ -448,11 +448,11 @@ public:
     QMLJS_DECLARE_AST_NODE(ArrayLiteral)
 
     ArrayLiteral(Elision *e):
-        elements (0), elision (e)
+        elements (nullptr), elision (e)
         { kind = K; }
 
     ArrayLiteral(ElementList *elts):
-        elements (elts), elision (0)
+        elements (elts), elision (nullptr)
         { kind = K; }
 
     ArrayLiteral(ElementList *elts, Elision *e):
@@ -481,7 +481,7 @@ public:
     QMLJS_DECLARE_AST_NODE(ObjectLiteral)
 
     ObjectLiteral():
-        properties (0) { kind = K; }
+        properties (nullptr) { kind = K; }
 
     ObjectLiteral(PropertyNameAndValueList *plist):
         properties (plist) { kind = K; }
@@ -526,7 +526,7 @@ public:
     inline Elision *finish ()
     {
         Elision *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -555,7 +555,7 @@ public:
     inline ElementList *finish ()
     {
         ElementList *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -631,7 +631,7 @@ public:
     inline PropertyNameAndValueList *finish ()
     {
         PropertyNameAndValueList *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -835,7 +835,7 @@ public:
     inline ArgumentList *finish ()
     {
         ArgumentList *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -1199,7 +1199,7 @@ public:
     inline StatementList *finish ()
     {
         StatementList *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -1287,10 +1287,10 @@ public:
     inline VariableDeclarationList *finish (bool readOnly)
     {
         VariableDeclarationList *front = next;
-        next = 0;
+        next = nullptr;
         if (readOnly) {
             VariableDeclarationList *vdl;
-            for (vdl = front; vdl != 0; vdl = vdl->next)
+            for (vdl = front; vdl != nullptr; vdl = vdl->next)
                 vdl->declaration->readOnly = true;
         }
         return front;
@@ -1735,7 +1735,7 @@ public:
     inline CaseClauses *finish ()
     {
         CaseClauses *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -1871,11 +1871,11 @@ public:
         { kind = K; }
 
     TryStatement(Statement *stmt, Finally *f):
-        statement (stmt), catchExpression (0), finallyExpression (f)
+        statement (stmt), catchExpression (nullptr), finallyExpression (f)
         { kind = K; }
 
     TryStatement(Statement *stmt, Catch *c):
-        statement (stmt), catchExpression (c), finallyExpression (0)
+        statement (stmt), catchExpression (c), finallyExpression (nullptr)
         { kind = K; }
 
     virtual void accept0(Visitor *visitor);
@@ -1969,7 +1969,7 @@ public:
     inline FormalParameterList *finish ()
     {
         FormalParameterList *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -2017,7 +2017,7 @@ public:
     inline SourceElements *finish ()
     {
         SourceElements *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -2151,7 +2151,7 @@ public:
     UiQualifiedId *finish()
     {
         UiQualifiedId *head = next;
-        next = 0;
+        next = nullptr;
         return head;
     }
 
@@ -2175,7 +2175,7 @@ public:
     QMLJS_DECLARE_AST_NODE(UiImport)
 
     UiImport(const QStringRef &fileName)
-        : fileName(fileName), importUri(0)
+        : fileName(fileName), importUri(nullptr)
     { kind = K; }
 
     UiImport(UiQualifiedId *uri)
@@ -2223,7 +2223,7 @@ public:
     UiImportList *finish()
     {
         UiImportList *head = next;
-        next = 0;
+        next = nullptr;
         return head;
     }
 
@@ -2277,7 +2277,7 @@ public:
     UiObjectMemberList *finish()
     {
         UiObjectMemberList *head = next;
-        next = 0;
+        next = nullptr;
         return head;
     }
 
@@ -2348,7 +2348,7 @@ public:
     UiArrayMemberList *finish()
     {
         UiArrayMemberList *head = next;
-        next = 0;
+        next = nullptr;
         return head;
     }
 
@@ -2409,7 +2409,7 @@ public:
     inline UiParameterList *finish ()
     {
         UiParameterList *front = next;
-        next = 0;
+        next = nullptr;
         return front;
     }
 
@@ -2429,13 +2429,13 @@ public:
 
     UiPublicMember(const QStringRef &memberType,
                    const QStringRef &name)
-        : type(Property), memberType(memberType), name(name), statement(0), binding(0), isDefaultMember(false), isReadonlyMember(false), parameters(0)
+        : type(Property), memberType(memberType), name(name), statement(nullptr), binding(nullptr), isDefaultMember(false), isReadonlyMember(false), parameters(nullptr)
     { kind = K; }
 
     UiPublicMember(const QStringRef &memberType,
                    const QStringRef &name,
                    Statement *statement)
-        : type(Property), memberType(memberType), name(name), statement(statement), binding(0), isDefaultMember(false), isReadonlyMember(false), parameters(0)
+        : type(Property), memberType(memberType), name(name), statement(statement), binding(nullptr), isDefaultMember(false), isReadonlyMember(false), parameters(nullptr)
     { kind = K; }
 
     virtual void accept0(Visitor *visitor);
diff --git a/src/lib/corelib/parser/qmljsengine_p.cpp b/src/lib/corelib/parser/qmljsengine_p.cpp
index 8a7b9dbc8..211743190 100644
--- a/src/lib/corelib/parser/qmljsengine_p.cpp
+++ b/src/lib/corelib/parser/qmljsengine_p.cpp
@@ -118,7 +118,7 @@ double integerFromString(const QString &str, int radix)
 
 
 Engine::Engine()
-    : _lexer(0), _directives(0)
+    : _lexer(nullptr), _directives(nullptr)
 { }
 
 Engine::~Engine()
diff --git a/src/lib/corelib/parser/qmljslexer.cpp b/src/lib/corelib/parser/qmljslexer.cpp
index 43c52a474..2c96aa8cf 100644
--- a/src/lib/corelib/parser/qmljslexer.cpp
+++ b/src/lib/corelib/parser/qmljslexer.cpp
@@ -84,10 +84,10 @@ static QChar convertUnicode(QChar c1, QChar c2, QChar c3, QChar c4)
 
 Lexer::Lexer(Engine *engine)
     : _engine(engine)
-    , _codePtr(0)
-    , _lastLinePtr(0)
-    , _tokenLinePtr(0)
-    , _tokenStartPtr(0)
+    , _codePtr(nullptr)
+    , _lastLinePtr(nullptr)
+    , _tokenLinePtr(nullptr)
+    , _tokenStartPtr(nullptr)
     , _char(QLatin1Char('\n'))
     , _errorCode(NoError)
     , _currentLineNumber(0)
@@ -455,7 +455,7 @@ again:
             chars.append('\0');
 
             const char *begin = chars.constData();
-            const char *end = 0;
+            const char *end = nullptr;
             bool ok = false;
 
             _tokenValue = qstrtod(begin, &end, &ok);
@@ -845,7 +845,7 @@ int Lexer::scanNumber(QChar ch)
     chars.append('\0');
 
     const char *begin = chars.constData();
-    const char *end = 0;
+    const char *end = nullptr;
     bool ok = false;
 
     _tokenValue = qstrtod(begin, &end, &ok);
diff --git a/src/lib/corelib/parser/qmljsmemorypool_p.h b/src/lib/corelib/parser/qmljsmemorypool_p.h
index fa16ac409..897348712 100644
--- a/src/lib/corelib/parser/qmljsmemorypool_p.h
+++ b/src/lib/corelib/parser/qmljsmemorypool_p.h
@@ -68,11 +68,11 @@ class QML_PARSER_EXPORT MemoryPool : public QSharedData
 
 public:
     MemoryPool()
-        : _blocks(0),
+        : _blocks(nullptr),
           _allocatedBlocks(0),
           _blockCount(-1),
-          _ptr(0),
-          _end(0)
+          _ptr(nullptr),
+          _end(nullptr)
     { }
 
     ~MemoryPool()
@@ -101,7 +101,7 @@ public:
     void reset()
     {
         _blockCount = -1;
-        _ptr = _end = 0;
+        _ptr = _end = nullptr;
     }
 
 private:
@@ -118,7 +118,7 @@ private:
             _blocks = (char **) realloc(_blocks, sizeof(char *) * _allocatedBlocks);
 
             for (int index = _blockCount; index < _allocatedBlocks; ++index)
-                _blocks[index] = 0;
+                _blocks[index] = nullptr;
         }
 
         char *&block = _blocks[_blockCount];
diff --git a/src/lib/corelib/parser/qmljsparser.cpp b/src/lib/corelib/parser/qmljsparser.cpp
index 963631b7d..10be751a8 100644
--- a/src/lib/corelib/parser/qmljsparser.cpp
+++ b/src/lib/corelib/parser/qmljsparser.cpp
@@ -77,13 +77,13 @@ Parser::Parser(Engine *engine):
     pool(engine->pool()),
     tos(0),
     stack_size(0),
-    sym_stack(0),
-    state_stack(0),
-    location_stack(0),
-    string_stack(0),
-    program(0),
-    first_token(0),
-    last_token(0)
+    sym_stack(nullptr),
+    state_stack(nullptr),
+    location_stack(nullptr),
+    string_stack(nullptr),
+    program(nullptr),
+    first_token(nullptr),
+    last_token(nullptr)
 {
 }
 
@@ -132,7 +132,7 @@ AST::UiQualifiedId *Parser::reparseAsQualifiedId(AST::ExpressionNode *expr)
         return currentId->finish();
     }
 
-    return 0;
+    return nullptr;
 }
 
 bool Parser::parse(int startToken)
@@ -160,7 +160,7 @@ bool Parser::parse(int startToken)
     }
 
     tos = -1;
-    program = 0;
+    program = nullptr;
 
     do {
         if (++tos == stack_size)
@@ -275,7 +275,7 @@ case 19: {
 } break;
 
 case 20: {
-    AST::UiImport *node = 0;
+    AST::UiImport *node = nullptr;
 
     if (AST::StringLiteral *importIdLiteral = AST::cast<AST::StringLiteral *>(sym(2).Expression)) {
         node = new (pool) AST::UiImport(importIdLiteral->value);
@@ -298,7 +298,7 @@ case 20: {
 } break;
 
 case 21: {
-    sym(1).Node = 0;
+    sym(1).Node = nullptr;
 } break;
 
 case 22: {
@@ -379,7 +379,7 @@ case 41:
 }   break;
 
 case 45: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 46: {
@@ -497,7 +497,7 @@ case 62: {
 
     AST::UiQualifiedId *propertyName = new (pool) AST::UiQualifiedId(stringRef(6));
     propertyName->identifierToken = loc(6);
-    propertyName->next = 0;
+    propertyName->next = nullptr;
 
     AST::UiArrayBinding *binding = new (pool) AST::UiArrayBinding(
         propertyName, sym(9).UiArrayMemberList->finish());
@@ -519,7 +519,7 @@ case 63: {
 
     AST::UiQualifiedId *propertyName = new (pool) AST::UiQualifiedId(stringRef(3));
     propertyName->identifierToken = loc(3);
-    propertyName->next = 0;
+    propertyName->next = nullptr;
 
     AST::UiObjectBinding *binding = new (pool) AST::UiObjectBinding(
       propertyName, sym(5).UiQualifiedId, sym(6).UiObjectInitializer);
@@ -652,7 +652,7 @@ case 85: {
 } break;
 
 case 86: {
-  AST::ObjectLiteral *node = 0;
+  AST::ObjectLiteral *node = nullptr;
   if (sym(2).Node)
     node = new (pool) AST::ObjectLiteral(
         sym(2).PropertyNameAndValueList->finish ());
@@ -689,7 +689,7 @@ case 89: {
   if (AST::UiQualifiedId *qualifiedId = reparseAsQualifiedId(sym(1).Expression)) {
     sym(1).UiQualifiedId = qualifiedId;
   } else {
-    sym(1).UiQualifiedId = 0;
+    sym(1).UiQualifiedId = nullptr;
 
     diagnostic_messages.append(DiagnosticMessage(DiagnosticMessage::Error, loc(1),
       QLatin1String("Expected a qualified name id")));
@@ -834,7 +834,7 @@ case 147: {
 } break;
 
 case 148: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 149: {
@@ -1261,7 +1261,7 @@ case 242: {
 } break;
 
 case 243: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 246: {
@@ -1271,7 +1271,7 @@ case 246: {
 } break;
 
 case 247: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 264: {
@@ -1290,7 +1290,7 @@ case 266: {
 } break;
 
 case 267: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 268: {
@@ -1350,7 +1350,7 @@ case 279: {
 } break;
 
 case 280: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 282: {
@@ -1359,7 +1359,7 @@ case 282: {
 } break;
 
 case 283: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 285: {
@@ -1530,7 +1530,7 @@ case 312: {
 } break;
 
 case 313: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 314: {
@@ -1649,7 +1649,7 @@ case 332: {
 } break;
 
 case 333: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 334: {
@@ -1657,7 +1657,7 @@ case 334: {
 } break;
 
 case 335: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
 case 337: {
@@ -1689,7 +1689,7 @@ case 344: {
 } break;
 
 case 346: {
-  sym(1).Node = 0;
+  sym(1).Node = nullptr;
 } break;
 
             } // switch
diff --git a/src/lib/corelib/parser/qmljsparser_p.h b/src/lib/corelib/parser/qmljsparser_p.h
index fde61ea11..05e22074b 100644
--- a/src/lib/corelib/parser/qmljsparser_p.h
+++ b/src/lib/corelib/parser/qmljsparser_p.h
@@ -134,7 +134,7 @@ public:
     AST::Statement *statement() const
     {
         if (! program)
-            return 0;
+            return nullptr;
 
         return program->statementCast();
     }
@@ -142,7 +142,7 @@ public:
     AST::ExpressionNode *expression() const
     {
         if (! program)
-            return 0;
+            return nullptr;
 
         return program->expressionCast();
     }
@@ -150,7 +150,7 @@ public:
     AST::UiObjectMember *uiObjectMember() const
     {
         if (! program)
-            return 0;
+            return nullptr;
 
         return program->uiObjectMemberCast();
     }