Added the following attributes:

* table.length
* table.insert(key,value)
* table.hasKey(key)
* table.remove(key)

There's basically only iteration and sorting left.

scripts/blockhead.toy

@@ -1,6 +1,18 @@
 
-var array = [1,2,3];
 
-array.pushBack(4);
+var table: Table = ["answer":42];
+
+print table.hasKey("answer");
+print table.hasKey("question");
+
+table.insert("question", "roads");
+
+print table.hasKey("answer");
+print table.hasKey("question");
+
+table.remove("answer");
+
+print table.hasKey("answer");
+print table.hasKey("question");
+
 
-print array.popBack();

source/toy_attributes.c

@@ -6,6 +6,8 @@
 #include <string.h>
 #include <ctype.h>
 
+//NOTE: there is no need to call 'Toy_freeValue' on the arguments, as the VM assumes you don't
+
 Toy_Value handleStringAttributes(Toy_VM* vm, Toy_Value compound, Toy_Value attribute) {
 	if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "length", 6)  == 0) {
 		return TOY_VALUE_FROM_INTEGER(TOY_VALUE_AS_STRING(compound)->info.length);
@@ -42,7 +44,7 @@ static void attr_arrayPushBack(Toy_VM* vm) {
 
 	Toy_Array* array = TOY_VALUE_AS_ARRAY(compound);
 
-	//check the capacity limit
+	//BUGFIX: check the capacity limit
 	if (array->count == array->capacity) {
 		//correct the source value's pointer
 		array = Toy_resizeArray(array, array->capacity * TOY_ARRAY_EXPANSION_RATE);
@@ -51,7 +53,7 @@ static void attr_arrayPushBack(Toy_VM* vm) {
 		}
 		else {
 			char buffer[256];
-			snprintf(buffer, 256, "Unknown error at %s %d", __FILE__, __LINE__);
+			snprintf(buffer, 256, "Unknown error after expanding array size at %s %d", __FILE__, __LINE__);
 			Toy_error(buffer);
 		}
 	}
@@ -113,14 +115,80 @@ Toy_Value handleArrayAttributes(Toy_VM* vm, Toy_Value compound, Toy_Value attrib
 		Toy_error(buffer);
 		return TOY_VALUE_FROM_NULL();
 	}
+}
 
-	return TOY_VALUE_FROM_NULL();
+static void attr_tableInsert(Toy_VM* vm) {
+	Toy_Value compound = Toy_popStack(&vm->stack);
+	Toy_Value value = Toy_popStack(&vm->stack); //NOTE: the args are still backwards, except compound
+	Toy_Value key = Toy_popStack(&vm->stack);
+
+	Toy_Table* table = TOY_VALUE_AS_TABLE(compound);
+	Toy_insertTable(&table, key, value);
+
+	//BUGFIX: check the capacity limit (Toy_insertTable automatically alters the pointer value)
+	if (TOY_VALUE_AS_TABLE(compound) != table) {
+		//correct the source value's pointer
+		if (TOY_VALUE_IS_REFERENCE(compound) && compound.as.reference->type == TOY_VALUE_TABLE) {
+			compound.as.reference->as.table = table;
+		}
+		else {
+			char buffer[256];
+			snprintf(buffer, 256, "Unknown error after expanding table size at %s %d", __FILE__, __LINE__);
+			Toy_error(buffer);
+		}
+	}
+}
+
+static void attr_tableHasKey(Toy_VM* vm) {
+	Toy_Value compound = Toy_popStack(&vm->stack);
+	Toy_Value key = Toy_popStack(&vm->stack);
+
+	Toy_Table* table = TOY_VALUE_AS_TABLE(compound);
+
+	Toy_TableEntry* entry = Toy_private_lookupTableEntryPtr(&table, key);
+	Toy_Value result = TOY_VALUE_FROM_BOOLEAN(entry != NULL);
+
+	Toy_pushStack(&vm->stack, result);
+}
+
+static void attr_tableRemove(Toy_VM* vm) {
+	Toy_Value compound = Toy_popStack(&vm->stack);
+	Toy_Value key = Toy_popStack(&vm->stack);
+
+	Toy_Table* table = TOY_VALUE_AS_TABLE(compound);
+
+	Toy_removeTable(&table, key);
+}
+
+static void attr_tableForEach(Toy_VM* vm) {
+	(void)vm;
+	//URGENT: attr_tableForEach
 }
 
 Toy_Value handleTableAttributes(Toy_VM* vm, Toy_Value compound, Toy_Value attribute) {
-	//URGENT: handleTableAttributes
+	if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "length", 6)  == 0) {
-	(void)vm;
+		return TOY_VALUE_FROM_INTEGER(TOY_VALUE_AS_ARRAY(compound)->count);
-	(void)compound;
+	}
-	(void)attribute;
+	else if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "insert", 4)  == 0) {
+		Toy_Function* fn = Toy_createFunctionFromCallback(&vm->memoryBucket, attr_tableInsert);
+		return TOY_VALUE_FROM_FUNCTION(fn);
+	}
+	else if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "hasKey", 4)  == 0) {
+		Toy_Function* fn = Toy_createFunctionFromCallback(&vm->memoryBucket, attr_tableHasKey);
+		return TOY_VALUE_FROM_FUNCTION(fn);
+	}
+	else if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "remove", 4)  == 0) {
+		Toy_Function* fn = Toy_createFunctionFromCallback(&vm->memoryBucket, attr_tableRemove);
+		return TOY_VALUE_FROM_FUNCTION(fn);
+	}
+	else if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "forEach", 4)  == 0) {
+		Toy_Function* fn = Toy_createFunctionFromCallback(&vm->memoryBucket, attr_tableForEach);
+		return TOY_VALUE_FROM_FUNCTION(fn);
+	}
+	else {
+		char buffer[256];
+		snprintf(buffer, 256, "Unknown attribute '%s' of type '%s'", TOY_VALUE_AS_STRING(attribute)->leaf.data, Toy_private_getValueTypeAsCString(compound.type));
+		Toy_error(buffer);
 		return TOY_VALUE_FROM_NULL();
+	}
 }

source/toy_attributes.h

@@ -7,16 +7,16 @@ Toy_Value handleStringAttributes(Toy_VM* vm, Toy_Value compound, Toy_Value attri
 Toy_Value handleArrayAttributes(Toy_VM* vm, Toy_Value compound, Toy_Value attribute);
 Toy_Value handleTableAttributes(Toy_VM* vm, Toy_Value compound, Toy_Value attribute);
 
-// string.length
+// [x] string.length
-// string.asUpper
+// [x] string.asUpper
-// string.asLower
+// [x] string.asLower
-// array.length
+// [x] array.length
-// array.pushBack(x)
+// [x] array.pushBack(x)
-// array.popBack()
+// [x] array.popBack()
-// array.forEach(fn) // fn(x) -> void
+// [ ] array.forEach(fn) // fn(x) -> void
-// array.sort(fn)    // fn(a,b) -> int
+// [ ] array.sort(fn)    // fn(a,b) -> int
-// table.length
+// [x] table.length
-// table.insert(x)
+// [x] table.insert(x, y)
-// table.hasKey(x)
+// [x] table.hasKey(x)
-// table.remove(x)
+// [x] table.remove(x)
-// table.forEach(fn) // fn(x) -> void
+// [ ] table.forEach(fn) // fn(x) -> void