piccode: Reset the context on each compile

Author: hexaredecimal

src/main/java/org/piccode/backend/Compiler.java

@@ -190,6 +190,7 @@ public static void prepareGlobalScope(String file, String globalScopeName) {
 		scope_id.column = 0;
 		scope_id.line = 1;
 		scope_id.file = file;
+		Context.top.resetContext();
 		Context.top.pushStackFrame(scope_id);
 		Context.top.putLocal("true", new PiccodeBoolean("true"));
 		Context.top.putLocal("false", new PiccodeBoolean("false"));

src/main/java/org/piccode/rt/Context.java

@@ -43,6 +43,15 @@ public Context() {
 		call_frames = new Stack<>();
 	}
 
+	public void resetContext() {
+		annotations.clear();
+		modules.clear();
+		threadContexts.clear();
+		futureMap.clear();
+		objectPool.clear();
+		call_frames.clear();
+	}
+	
 	public static int makeThreadContext(Context base) {
 		int index = threadContexts.size();
 		var context = new Context();