added and implemented IExpressionEvaluator#getBaseEnvironment

BlvckBytes · Sep 19, 2024 · 28a6b2c · 28a6b2c
1 parent c4ccbba
commit 28a6b2c
Show file tree

Hide file tree

Showing 2 changed files with 13 additions and 0 deletions.
diff --git a/src/main/java/me/blvckbytes/gpeee/GPEEE.java b/src/main/java/me/blvckbytes/gpeee/GPEEE.java
@@ -91,6 +91,13 @@ public Object evaluateExpression(AExpression expression, IEvaluationEnvironment
     return interpreter.evaluateExpression(expression, environment);
   }
 
+  @Override
+  public EvaluationEnvironmentBuilder getBaseEnvironment() {
+    if (this.baseEnvironment == null)
+      return new EvaluationEnvironmentBuilder();
+    return this.baseEnvironment.duplicate();
+  }
+
   @Override
   public void register(String name, AStandardFunction function) {
     this.standardFunctions.put(name, function);

diff --git a/src/main/java/me/blvckbytes/gpeee/IExpressionEvaluator.java b/src/main/java/me/blvckbytes/gpeee/IExpressionEvaluator.java
@@ -25,6 +25,7 @@
 package me.blvckbytes.gpeee;
 
 import me.blvckbytes.gpeee.error.AEvaluatorError;
+import me.blvckbytes.gpeee.interpreter.EvaluationEnvironmentBuilder;
 import me.blvckbytes.gpeee.interpreter.IEvaluationEnvironment;
 import me.blvckbytes.gpeee.parser.expression.AExpression;
 
@@ -56,4 +57,9 @@ public interface IExpressionEvaluator {
    */
   Object evaluateExpression(AExpression expression, IEvaluationEnvironment environment) throws AEvaluatorError;
 
+  /**
+   * Get a copy of the evaluator's base environment to be safely modified and built by the caller
+   */
+  EvaluationEnvironmentBuilder getBaseEnvironment();
+
 }