Add support for QML/JS pragma directives.

The lexer can now recognize the following pragma directives:

  .pragma library
  .import <URI> <Version> as <Identifier>
  .import <file.js> as <Identifier>

Change-Id: I2c44140818f356419640266a46b5e172474819ee
Reviewed-on: http://codereview.qt-project.org/4897
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Kent Hansen <kent.hansen@nokia.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/src/declarative/qml/parser/qdeclarativejslexer_p.h b/src/declarative/qml/parser/qdeclarativejslexer_p.h
index 6d327868ca..e20490c09b 100644
--- a/src/declarative/qml/parser/qdeclarativejslexer_p.h
+++ b/src/declarative/qml/parser/qdeclarativejslexer_p.h
@@ -63,6 +63,28 @@ namespace QDeclarativeJS {
 
 class Engine;
 
+class QML_PARSER_EXPORT Directives {
+public:
+    virtual ~Directives() {}
+
+    virtual void pragmaLibrary()
+    {
+    }
+
+    virtual void importFile(const QString &jsfile, const QString &module)
+    {
+        Q_UNUSED(jsfile);
+        Q_UNUSED(module);
+    }
+
+    virtual void importModule(const QString &uri, const QString &version, const QString &module)
+    {
+        Q_UNUSED(uri);
+        Q_UNUSED(version);
+        Q_UNUSED(module);
+    }
+};
+
 class QML_PARSER_EXPORT Lexer: public QDeclarativeJSGrammar
 {
 public:
@@ -123,6 +145,7 @@ public:
     int lex();
 
     bool scanRegExp(RegExpBodyPrefix prefix = NoPrefix);
+    bool scanDirectives(Directives *directives);
 
     int regExpFlags() const { return _patternFlags; }
     QString regExpPattern() const { return _tokenText; }