Pre class implementation commit

src/sources/runtime/Interpreter.cpp

@@ -4,6 +4,7 @@
 #include "BobStdLib.h"
 #include "ErrorReporter.h"
 #include "Environment.h"
+#include "Expression.h"
 #include <iostream>
 
 Interpreter::Interpreter(bool isInteractive) 
@@ -107,13 +108,13 @@ void Interpreter::forceCleanup() {
 }
 
 Value Interpreter::evaluateCallExprInline(const std::shared_ptr<CallExpr>& expression) {
-    Value callee = evaluate(expression->callee);  // Direct call instead of through evaluator
+    Value callee = evaluate(expression->callee);
     
     if (callee.isBuiltinFunction()) {
         // Handle builtin functions with direct evaluation
         std::vector<Value> arguments;
         for (const auto& argument : expression->arguments) {
-            arguments.push_back(evaluate(argument));  // Direct call
+            arguments.push_back(evaluate(argument));
         }
         BuiltinFunction* builtinFunction = callee.asBuiltinFunction();
         return builtinFunction->func(arguments, expression->paren.line, expression->paren.column);
@@ -132,7 +133,7 @@ Value Interpreter::evaluateCallExprInline(const std::shared_ptr<CallExpr>& expre
     
     std::vector<Value> arguments;
     for (const auto& argument : expression->arguments) {
-        arguments.push_back(evaluate(argument));  // Direct call instead of through evaluator
+        arguments.push_back(evaluate(argument));
     }
     
     // Check arity (like original)

tests/test_class_and_extension.bob

@@ -0,0 +1,77 @@
+print("\n--- Class + Extension Syntax Proposal (Spec Tests) ---");
+
+// These tests define the intended behavior and syntax. The parser/runtime
+// will be implemented to satisfy them.
+
+// Class declaration
+class Person {
+  var name;
+  var age;
+
+  func init(name, age) {
+    this.name = name;
+    this.age = age;
+  }
+
+  func greet() {
+    print("Hi, I'm " + this.name + " (" + toString(this.age) + ")");
+  }
+
+  func birthday() {
+    this.age = this.age + 1;
+  }
+}
+
+// Instantiation + method calls
+// var p = Person("Bob", 30);
+// p.greet();          // "Hi, I'm Bob (30)"
+// p.birthday();
+// p.greet();          // "Hi, I'm Bob (31)"
+
+// Extension: add methods to an existing class
+extension Person {
+  func rename(newName) {
+    this.name = newName;
+  }
+}
+
+// p.rename("Robert");
+// p.greet();          // "Hi, I'm Robert (31)"
+
+// Extension on built-ins (string, array, dict are the type names)
+extension string {
+  func repeat(n) {
+    var out = "";
+    var i = 0;
+    while (i < n) {
+      out = out + this;
+      i = i + 1;
+    }
+    return out;
+  }
+}
+
+// assert("ha".repeat(3) == "hahaha", "string.repeat should repeat string");
+
+extension array {
+  func firstOr(defaultValue) {
+    if (len(this) == 0) return defaultValue;
+    return this[0];
+  }
+}
+
+// assert([].firstOr("none") == "none", "array.firstOr should return default on empty");
+
+// Extension on any: adds a method to all objects
+extension any {
+  func debug() {
+    return type(this) + ":" + toString(this);
+  }
+}
+
+// assert(42.debug() == "number:42", "any.debug should work on numbers");
+// assert("x".debug() == "string:x", "any.debug should work on strings");
+
+print("Class + Extension spec tests defined (pending parser/runtime support).");
+
+

tests/test_method_calls.bob

@@ -0,0 +1,28 @@
+print("\n--- Test: Method Calls on Objects ---");
+
+// Setup a dictionary object
+var obj = {};
+
+// 1) Zero-arg method assigned to a property and invoked via dot call
+obj.hello = func(){ print("hello-method"); };
+obj.hello();
+
+// 2) Method that uses the receiver as first implicit argument (self)
+obj.set = func(self, key, value){ self[key] = value; };
+obj.get = func(self, key){ return self[key]; };
+
+obj.set(obj, "name", "Bob");
+assert(obj.get(obj, "name") == "Bob", "obj.get should return value set via method using receiver");
+
+// 3) Ensure taking a reference to a method and calling it as a plain function still works
+var ref = obj.hello;
+ref();
+
+// 4) Ensure passing extra args still respects order after receiver injection
+obj.concat3 = func(self, a, b){ return toString(a) + ":" + toString(b) + ":" + toString(self["name"]); };
+var s = obj.concat3(obj, 1, 2);
+assert(s == "1:2:Bob", "receiver should be last component in return value");
+
+print("Method calls on objects: PASS");
+
+