Implement String.raw

Change-Id: I331fd4d114f68fb5cb71186813f851af25539ffa
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

3 files changed, 43 insertions, 20 deletions

diff --git a/src/qml/jsruntime/qv4stringobject.cpp b/src/qml/jsruntime/qv4stringobject.cpp
index a48ff0b00d..fd2d297d55 100644
--- a/src/qml/jsruntime/qv4stringobject.cpp
+++ b/src/qml/jsruntime/qv4stringobject.cpp
@@ -232,6 +232,47 @@ ReturnedValue StringCtor::method_fromCodePoint(const FunctionObject *f, const Va
     return e->newString(result)->asReturnedValue();
 }
 
+ReturnedValue StringCtor::method_raw(const FunctionObject *f, const Value *, const Value *argv, int argc)
+{
+    Scope scope(f);
+    if (!argc)
+        return scope.engine->throwTypeError();
+
+    ScopedObject cooked(scope, argv[0].toObject(scope.engine));
+    if (!cooked)
+        return scope.engine->throwTypeError();
+    ScopedString rawString(scope, scope.engine->newIdentifier(QStringLiteral("raw")));
+    ScopedValue rawValue(scope, cooked->get(rawString));
+    ScopedObject raw(scope, rawValue->toObject(scope.engine));
+    if (scope.hasException())
+        return Encode::undefined();
+
+    ++argv;
+    --argc;
+
+    QString result;
+    uint literalSegments = raw->getLength();
+    if (!literalSegments)
+        return scope.engine->id_empty()->asReturnedValue();
+
+    uint nextIndex = 0;
+    ScopedValue val(scope);
+    while (1) {
+        val = raw->get(nextIndex);
+        result += val->toQString();
+        if (scope.engine->hasException)
+            return Encode::undefined();
+        if (nextIndex + 1 == literalSegments)
+            return scope.engine->newString(result)->asReturnedValue();
+
+        if (nextIndex < static_cast<uint>(argc))
+            result += argv[nextIndex].toQString();
+        if (scope.engine->hasException)
+            return Encode::undefined();
+        ++nextIndex;
+    }
+}
+
 void StringPrototype::init(ExecutionEngine *engine, Object *ctor)
 {
     Scope scope(engine);
@@ -247,6 +288,7 @@ void StringPrototype::init(ExecutionEngine *engine, Object *ctor)
     ctor->defineReadonlyConfigurableProperty(engine->id_length(), Primitive::fromInt32(1));
     ctor->defineDefaultProperty(QStringLiteral("fromCharCode"), StringCtor::method_fromCharCode, 1);
     ctor->defineDefaultProperty(QStringLiteral("fromCodePoint"), StringCtor::method_fromCodePoint, 1);
+    ctor->defineDefaultProperty(QStringLiteral("raw"), StringCtor::method_raw, 1);
 
     defineDefaultProperty(QStringLiteral("constructor"), (o = ctor));
     defineDefaultProperty(engine->id_toString(), method_toString);
diff --git a/src/qml/jsruntime/qv4stringobject_p.h b/src/qml/jsruntime/qv4stringobject_p.h
index 20d8cf3fd4..4d89c802b6 100644
--- a/src/qml/jsruntime/qv4stringobject_p.h
+++ b/src/qml/jsruntime/qv4stringobject_p.h
@@ -114,6 +114,7 @@ struct StringCtor: FunctionObject
 
     static ReturnedValue method_fromCharCode(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
     static ReturnedValue method_fromCodePoint(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
+    static ReturnedValue method_raw(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
 };
 
 struct StringPrototype: StringObject
diff --git a/tests/auto/qml/ecmascripttests/TestExpectations b/tests/auto/qml/ecmascripttests/TestExpectations
index 014de6ca4a..b8243db29e 100644
--- a/tests/auto/qml/ecmascripttests/TestExpectations
+++ b/tests/auto/qml/ecmascripttests/TestExpectations
@@ -1023,28 +1023,8 @@ built-ins/String/prototype/toLocaleLowerCase/Final_Sigma_U180E.js fails
 built-ins/String/prototype/toLocaleLowerCase/special_casing_conditional.js fails
 built-ins/String/prototype/toLowerCase/Final_Sigma_U180E.js fails
 built-ins/String/prototype/toLowerCase/special_casing_conditional.js fails
-built-ins/String/raw/length.js fails
-built-ins/String/raw/name.js fails
-built-ins/String/raw/raw.js fails
-built-ins/String/raw/return-empty-string-from-empty-array-length.js fails
-built-ins/String/raw/return-empty-string-if-length-is-negative-infinity.js fails
-built-ins/String/raw/return-empty-string-if-length-is-not-defined.js fails
-built-ins/String/raw/return-empty-string-if-length-is-undefined.js fails
-built-ins/String/raw/return-empty-string-if-length-is-zero-NaN.js fails
-built-ins/String/raw/return-empty-string-if-length-is-zero-boolean.js fails
-built-ins/String/raw/return-empty-string-if-length-is-zero-null.js fails
-built-ins/String/raw/return-empty-string-if-length-is-zero-or-less-number.js fails
-built-ins/String/raw/return-empty-string-if-length-is-zero-or-less-string.js fails
 built-ins/String/raw/return-the-string-value-from-template.js fails
-built-ins/String/raw/return-the-string-value.js fails
-built-ins/String/raw/returns-abrupt-from-next-key-toString.js fails
-built-ins/String/raw/returns-abrupt-from-next-key.js fails
-built-ins/String/raw/returns-abrupt-from-substitution.js fails
 built-ins/String/raw/special-characters.js fails
-built-ins/String/raw/substitutions-are-appended-on-same-index.js fails
-built-ins/String/raw/substitutions-are-limited-to-template-raw-length.js fails
-built-ins/String/raw/template-length-throws.js fails
-built-ins/String/raw/template-raw-throws.js fails
 built-ins/String/raw/template-substitutions-are-appended-on-same-index.js fails
 built-ins/String/raw/zero-literal-segments.js fails
 built-ins/Symbol/for/cross-realm.js fails