1 files changed, 20 insertions, 0 deletions
diff --git a/scope.c b/scope.c
new file mode 100644
index 0000000..4cc5249
--- /dev/null
+++ b/scope.c
@@ -0,0 +1,20 @@
+#include <stdlib.h>
+#include "scope.h"
+#include "hashtable.h"
+
+scope_t* init_scope(scope_t parent) {
+	scope_t* scope = malloc(sizeof(scope_t));
+	scope->hashtable = init_hashtable(1000);
+	*(scope->parent) = parent;
+	return scope;
+}
+pair_t* get_pair_global(char* key, scope_t* scope) {
+	while (scope->parent != NULL) {
+		pair_t* pair = hashtable_get_pair(scope->hashtable, key);
+		if (pair != NULL) {
+			return pair;
+		}
+		scope = scope->parent;
+	}
+	return NULL;
+}