Integrate feature registry with modules.

In case a module is attached to a disabled feature, the module lookup
will give a warning message and ignore that (builtin) module.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/module.h b/src/module.h
index 8414706..81e5f10 100644
--- a/src/module.h
+++ b/src/module.h
@@ -13,6 +13,7 @@
 #include "value.h"
 #include "typedefs.h"
 #include "localscope.h"
+#include "feature.h"
 
 class ModuleInstantiation
 {
@@ -60,8 +61,13 @@ public:
 
 class AbstractModule
 {
+private:
+        const Feature *feature;
 public:
+        AbstractModule() : feature(NULL) {}
+        AbstractModule(const Feature& feature) : feature(&feature) {}
 	virtual ~AbstractModule();
+        virtual bool is_enabled() const { return (feature == NULL) || feature->is_enabled(); };
 	virtual class AbstractNode *instantiate(const Context *ctx, const ModuleInstantiation *inst, const class EvalContext *evalctx = NULL) const;
 	virtual std::string dump(const std::string &indent, const std::string &name) const;
 };
@@ -70,6 +76,7 @@ class Module : public AbstractModule
 {
 public:
 	Module() { }
+	Module(const Feature& feature) : AbstractModule(feature) { }
 	virtual ~Module();
 
 	virtual AbstractNode *instantiate(const Context *ctx, const ModuleInstantiation *inst, const EvalContext *evalctx = NULL) const;