Add an is<PropertyName>Immutable to know if a property is immutable

Summary:
Add a utility function is<Parameter>Immutable to access immutability quickly.
Generated classes uses them internally to avoid code redundance.

Sample:
```
    /**
      Set blocked-by-default
    */
    void setBlockedByDefault( bool v )
    {
      if (v != mBlockedByDefault && !isBlockedByDefaultImmutable() )  {
        mBlockedByDefault = v;
        Q_EMIT blockedByDefaultChanged();
      }
    }

    /**
      Is blocked-by-default Immutable
    */
    bool isBlockedByDefaultImmutable()
    {
      return isImmutable( QStringLiteral( "blockedByDefault" ) );
    }
```

```
    /**
      Set org.kde.ActivityManager.ResourceScoringEnabled
    */
    void setResourceScoringEnabled( bool v )
    {
      if (!isResourceScoringEnabledImmutable() )
        mResourceScoringEnabled = v;
    }

    /**
      Is org.kde.ActivityManager.ResourceScoringEnabled Immutable
    */
    bool isResourceScoringEnabledImmutable()
    {
      return isImmutable( QStringLiteral( "resourceScoringEnabled" ) );
    }
```

Reviewers: ervin, #frameworks, dfaure

Reviewed By: ervin

Subscribers: dfaure, tcanabrava, kde-frameworks-devel

Tags: #frameworks

Differential Revision: https://phabricator.kde.org/D26368

1 files changed, 15 insertions, 0 deletions

diff --git a/src/kconfig_compiler/KConfigSourceGenerator.cpp b/src/kconfig_compiler/KConfigSourceGenerator.cpp
index 87d00960..63f5b6b4 100644
--- a/src/kconfig_compiler/KConfigSourceGenerator.cpp
+++ b/src/kconfig_compiler/KConfigSourceGenerator.cpp
@@ -478,6 +478,20 @@ void KConfigSourceGenerator::createGetterDPointerMode(const CfgEntry *entry)
     stream() << '\n';
 }
 
+void KConfigSourceGenerator::createImmutableGetterDPointerMode(const CfgEntry *entry)
+{
+    stream() << whitespace() << "";
+    stream() << "bool " << " " << immutableFunction(entry->name, cfg().className) << "(";
+    if (!entry->param.isEmpty()) {
+        stream() << " " << cppType(entry->paramType) << " i ";
+    }
+    stream() << ")" << Const() << '\n';
+    startScope();
+    memberImmutableBody(entry, cfg().globalEnums);
+    endScope();
+    stream() << '\n';
+}
+
 void KConfigSourceGenerator::createSetterDPointerMode(const CfgEntry *entry)
 {
     // Manipulator
@@ -533,6 +547,7 @@ void KConfigSourceGenerator::doGetterSetterDPointerMode()
     for (auto *entry : parseResult.entries) {
         createSetterDPointerMode(entry);
         createGetterDPointerMode(entry);
+        createImmutableGetterDPointerMode(entry);
         createItemGetterDPointerMode(entry);
         stream() << '\n';
     }