diff --git a/src/libs/qmljs/parser/qmlerror.cpp b/src/libs/qmljs/parser/qmlerror.cpp
index d090a19..5ec311d 100644
--- a/src/libs/qmljs/parser/qmlerror.cpp
+++ b/src/libs/qmljs/parser/qmlerror.cpp
@@ -65,6 +65,12 @@ QT_BEGIN_NAMESPACE
 
     \sa QQuickView::errors(), QmlComponent::errors()
 */
+
+static quint16 qmlSourceCoordinate(int n)
+{
+    return (n > 0 && n <= static_cast<int>(USHRT_MAX)) ? static_cast<quint16>(n) : 0;
+}
+
 class QmlErrorPrivate
 {
 public:
diff --git a/src/libs/qmljs/parser/qmljsengine_p.cpp b/src/libs/qmljs/parser/qmljsengine_p.cpp
index 1e22fa5..10fc3d1 100644
--- a/src/libs/qmljs/parser/qmljsengine_p.cpp
+++ b/src/libs/qmljs/parser/qmljsengine_p.cpp
@@ -110,7 +110,7 @@ double integerFromString(const QString &str, int radix)
 
 
 Engine::Engine()
-    : _lexer(0)
+    : _lexer(0), _directives(0)
 { }
 
 Engine::~Engine()
@@ -131,6 +131,12 @@ Lexer *Engine::lexer() const
 void Engine::setLexer(Lexer *lexer)
 { _lexer = lexer; }
 
+void Engine::setDirectives(Directives *directives)
+{ _directives = directives; }
+
+Directives *Engine::directives() const
+{ return _directives; }
+
 MemoryPool *Engine::pool()
 { return &_pool; }
 
diff --git a/src/libs/qmljs/parser/qmljsengine_p.h b/src/libs/qmljs/parser/qmljsengine_p.h
index b1f7e1a..29b69d1 100644
--- a/src/libs/qmljs/parser/qmljsengine_p.h
+++ b/src/libs/qmljs/parser/qmljsengine_p.h
@@ -44,36 +44,35 @@
 #include "qmljsglobal_p.h"
 #include "qmljsastfwd_p.h"
 #include "qmljsmemorypool_p.h"
+#include <qmljs/qmljsconstants.h>
 
 #include <QString>
 #include <QSet>
 
-#include <qmljs/qmljsconstants.h>
 QT_QML_BEGIN_NAMESPACE
 
 namespace QmlJS {
 
 class Lexer;
+class Directives;
 class MemoryPool;
 
 class QML_PARSER_EXPORT DiagnosticMessage
 {
 public:
-    enum Kind { Warning, Error };
-
     DiagnosticMessage()
-        : kind(Error) {}
+        : kind(Severity::Error) {}
 
-    DiagnosticMessage(Kind kind, const AST::SourceLocation &loc, const QString &message)
+    DiagnosticMessage(Severity::Enum kind, const AST::SourceLocation &loc, const QString &message)
         : kind(kind), loc(loc), message(message) {}
 
     bool isWarning() const
-    { return kind == Warning; }
+    { return kind == Severity::Warning; }
 
     bool isError() const
-    { return kind == Error; }
+    { return kind == Severity::Error; }
 
-    Kind kind;
+    Severity::Enum kind;
     AST::SourceLocation loc;
     QString message;
 };
@@ -81,6 +80,7 @@ public:
 class QML_PARSER_EXPORT Engine
 {
     Lexer *_lexer;
+    Directives *_directives;
     MemoryPool _pool;
     QList<AST::SourceLocation> _comments;
     QString _extraCode;
@@ -99,6 +99,9 @@ public:
     Lexer *lexer() const;
     void setLexer(Lexer *lexer);
 
+    void setDirectives(Directives *directives);
+    Directives *directives() const;
+
     MemoryPool *pool();
 
     inline QStringRef midRef(int position, int size) { return _code.midRef(position, size); }
diff --git a/src/libs/qmljs/parser/qmljslexer.cpp b/src/libs/qmljs/parser/qmljslexer.cpp
index 9698e9d..036be75 100644
--- a/src/libs/qmljs/parser/qmljslexer.cpp
+++ b/src/libs/qmljs/parser/qmljslexer.cpp
@@ -345,7 +345,7 @@ static inline bool isIdentifierStart(QChar ch)
     // fast path for ascii
     if ((ch.unicode() >= 'a' && ch.unicode() <= 'z') ||
         (ch.unicode() >= 'A' && ch.unicode() <= 'Z') ||
-        ch == '$' || ch == '_')
+        ch == QLatin1Char('$') || ch == QLatin1Char('_'))
         return true;
 
     switch (ch.category()) {
@@ -368,7 +368,7 @@ static bool isIdentifierPart(QChar ch)
     if ((ch.unicode() >= 'a' && ch.unicode() <= 'z') ||
         (ch.unicode() >= 'A' && ch.unicode() <= 'Z') ||
         (ch.unicode() >= '0' && ch.unicode() <= '9') ||
-        ch == '$' || ch == '_' ||
+        ch == QLatin1Char('$') || ch == QLatin1Char('_') ||
         ch.unicode() == 0x200c /* ZWNJ */ || ch.unicode() == 0x200d /* ZWJ */)
         return true;
 
diff --git a/src/libs/qmljs/parser/qmljsparser.cpp b/src/libs/qmljs/parser/qmljsparser.cpp
index 6e61637..e016b91 100644
--- a/src/libs/qmljs/parser/qmljsparser.cpp
+++ b/src/libs/qmljs/parser/qmljsparser.cpp
@@ -157,7 +157,20 @@ bool Parser::parse(int startToken)
 
     token_buffer[0].token = startToken;
     first_token = &token_buffer[0];
-    last_token = &token_buffer[1];
+    if (startToken == T_FEED_JS_PROGRAM) {
+        Directives ignoreDirectives;
+        Directives *directives = driver->directives();
+        if (!directives)
+            directives = &ignoreDirectives;
+        lexer->scanDirectives(directives);
+        token_buffer[1].token = lexer->tokenKind();
+        token_buffer[1].dval = lexer->tokenValue();
+        token_buffer[1].loc = location(lexer);
+        token_buffer[1].spell = lexer->tokenSpell();
+        last_token = &token_buffer[2];
+    } else {
+        last_token = &token_buffer[1];
+    }
 
     tos = -1;
     program = 0;