Initial support for resolving meta-property access for the scope and context objects at QML compile time

This avoids having to do a string lookup for ids and in the import cache at
run-time, before we can do a string hash lookup in the property cache. Instead
we resolve final properties in the context and scope object at compile time and
look them up at run-time using their index instead. The dependencies to these
properties are also tracked separately and recorded in the compiled data.

This is merely the initial patch. There's a lot left to do, such as having
specialized getter and setters for specific property types. Setters are missing
altogether right now and will fall back to name lookup.

Change-Id: If3cb4e7c9454ef4850a615f0935b311c9395b165
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/src/qml/jsruntime/qv4script.cpp b/src/qml/jsruntime/qv4script.cpp
index 6e2c26edaf..f1903cf323 100644
--- a/src/qml/jsruntime/qv4script.cpp
+++ b/src/qml/jsruntime/qv4script.cpp
@@ -207,8 +207,7 @@ void Script::parse()
                 inheritedLocals.append(*i ? (*i)->toQString() : QString());
 
         RuntimeCodegen cg(scope, strictMode);
-        cg.generateFromProgram(sourceFile, sourceCode, program, &module,
-                               parseAsBinding ? QQmlJS::Codegen::QmlBinding : QQmlJS::Codegen::EvalCode, inheritedLocals);
+        cg.generateFromProgram(sourceFile, sourceCode, program, &module, QQmlJS::Codegen::EvalCode, inheritedLocals);
         if (v4->hasException)
             return;
 
@@ -286,7 +285,7 @@ Function *Script::function()
     return vmFunction;
 }
 
-CompiledData::CompilationUnit *Script::precompile(ExecutionEngine *engine, const QUrl &url, const QString &source, bool parseAsBinding, QList<QQmlError> *reportedErrors)
+CompiledData::CompilationUnit *Script::precompile(ExecutionEngine *engine, const QUrl &url, const QString &source, QList<QQmlError> *reportedErrors)
 {
     using namespace QQmlJS;
     using namespace QQmlJS::AST;
@@ -330,7 +329,7 @@ CompiledData::CompilationUnit *Script::precompile(ExecutionEngine *engine, const
     }
 
     QQmlJS::Codegen cg(/*strict mode*/false);
-    cg.generateFromProgram(url.toString(), source, program, &module, parseAsBinding ? QQmlJS::Codegen::QmlBinding : QQmlJS::Codegen::GlobalCode);
+    cg.generateFromProgram(url.toString(), source, program, &module, QQmlJS::Codegen::EvalCode);
     errors = cg.errors();
     if (!errors.isEmpty()) {
         if (reportedErrors)