1 files changed, 76 insertions, 0 deletions
diff --git a/libparc/parc/algol/parc_Stack.c b/libparc/parc/algol/parc_Stack.c
new file mode 100755
index 00000000..5930169b
--- /dev/null
+++ b/libparc/parc/algol/parc_Stack.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ */
+#include <config.h>
+
+#include <stdio.h>
+
+#include <LongBow/runtime.h>
+
+#include <parc/algol/parc_Memory.h>
+#include <parc/algol/parc_Deque.h>
+#include <parc/algol/parc_Stack.h>
+
+struct parc_stack {
+    void *instance;
+    PARCStackInterface *interface;
+};
+
+PARCStack *
+parcStack(void *instance, PARCStackInterface *interface)
+{
+    PARCStack *result = parcMemory_AllocateAndClear(sizeof(PARCStack));
+    assertNotNull(result, "parcMemory_AllocateAndClear(%zu) returned NULL", sizeof(PARCStack));
+    result->instance = instance;
+    result->interface = interface;
+
+    return result;
+}
+
+void
+parcStack_Release(PARCStack **stackPtr)
+{
+    PARCStack *stack = *stackPtr;
+    (stack->interface->parcStack_Release)(&stack->instance);
+    parcMemory_Deallocate((void **) &stack);
+
+    *stackPtr = 0;
+}
+
+bool
+parcStack_IsEmpty(const PARCStack *stack)
+{
+    return (stack->interface->parcStack_IsEmpty)(stack->instance);
+}
+
+void *
+parcStack_Peek(const PARCStack *stack)
+{
+    return (stack->interface->parcStack_Peek)(stack->instance);
+}
+
+void *
+parcStack_Pop(PARCStack *stack)
+{
+    return (stack->interface->parcStack_Pop)(stack->instance);
+}
+
+void *
+parcStack_Push(PARCStack *stack, void *element)
+{
+    return (stack->interface->parcStack_Push)(stack->instance, element);
+}