2 files changed, 9 insertions, 2 deletions
diff --git a/common/command.cc b/common/command.cc
index 4822585c..209f8cab 100644
--- a/common/command.cc
+++ b/common/command.cc
@@ -358,7 +358,14 @@ int CommandHandler::exec()
         if (executeBeforeContext())
             return 0;
 
-        std::unique_ptr<Context> ctx = createContext();
+        std::unordered_map<std::string,Property> values;
+        if (vm.count("json")) {
+            std::string filename = vm["json"].as<std::string>();
+            std::ifstream f(filename);
+            if (!load_json_settings(f, filename, values))
+                log_error("Loading design failed.\n");
+        }
+        std::unique_ptr<Context> ctx = createContext(values);
         settings = std::unique_ptr<Settings>(new Settings(ctx.get()));
         setupContext(ctx.get());
         setupArchContext(ctx.get());
diff --git a/common/command.h b/common/command.h
index d4f9a12e..5c5ceb9a 100644
--- a/common/command.h
+++ b/common/command.h
@@ -39,7 +39,7 @@ class CommandHandler
 
   protected:
     virtual void setupArchContext(Context *ctx) = 0;
-    virtual std::unique_ptr<Context> createContext() = 0;
+    virtual std::unique_ptr<Context> createContext(std::unordered_map<std::string,Property> &values) = 0;
     virtual po::options_description getArchOptions() = 0;
     virtual void validate(){};
     virtual void customAfterLoad(Context *ctx){};