scarpet v1.2

src/main/java/carpet/script/Context.java

@@ -0,0 +1,90 @@
+package carpet.script;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+import java.util.function.Consumer;
+
+public class Context
+{
+    static final int NONE = 0;
+    static final int VOID = 1;
+    static final int BOOLEAN = 2;
+    static final int NUMBER = 3;
+    static final int STRING = 4;
+    static final int LIST = 5;
+    static final int ITERATOR = 6;
+    static final int SIGNATURE = 7;
+    static final int LOCALIZATION = 8;
+
+    private Map<String, LazyValue> variables = new HashMap<>();
+
+    protected ScriptHost host;
+
+    Context(ScriptHost host)
+    {
+        this.host = host;
+    }
+
+
+    LazyValue getVariable(String name)
+    {
+        if (variables.containsKey(name))
+        {
+            return variables.get(name);
+        }
+        return host.globalVariables.get(name);
+    }
+
+    void setVariable(String name, LazyValue lv)
+    {
+        if (name.startsWith("global_"))
+        {
+            host.globalVariables.put(name, lv);
+            return;
+        }
+        variables.put(name, lv);
+    }
+
+
+    boolean isAVariable(String name)
+    {
+        return variables.containsKey(name) || host.globalVariables.containsKey(name);
+    }
+
+
+    void delVariable(String variable)
+    {
+        if (variable.startsWith("global_"))
+        {
+            host.globalVariables.remove(variable);
+            return;
+        }
+        variables.remove(variable);
+    }
+    void clearAll(String variable)
+    {
+        if (variable.startsWith("global_"))
+        {
+            host.globalVariables.remove(variable);
+            return;
+        }
+        variables.remove(variable);
+    }
+
+    public Context with(String variable, LazyValue lv)
+    {
+        variables.put(variable, lv);
+        return this;
+    }
+
+    public Set<String> getAllVariableNames()
+    {
+        return variables.keySet();
+    }
+
+    public Context recreate()
+    {
+        return new Context(this.host);
+    }
+}