Created `src` dir for code, added Makefile

1 files changed, 70 insertions, 0 deletions

diff --git a/src/headers/freeast.h b/src/headers/freeast.h
new file mode 100644
index 0000000..544d183
--- /dev/null
+++ b/src/headers/freeast.h
@@ -0,0 +1,70 @@
+#ifndef CRBC_FREEAST
+#define CRBC_FREEAST
+
+// Free memory functions, utilize after having used the AST
+
+#include <stdlib.h>
+
+void FreeExpr(Expr *expr)
+{
+    if (!expr) return;
+
+    switch (expr->kind) {
+    case EXPR_INT:
+        free(expr->as);
+        break;
+    case EXPR_BOOL:
+        break;
+    case EXPR_CHAR:
+        break;
+    case EXPR_STRING:
+        break;
+    case EXPR_IDENT:
+        break;
+    default:
+        break;
+    }
+
+    free(expr);
+}
+
+static inline void FreeDeclVar(DeclVar *var)
+{
+    if (!var) return;
+
+    free(var->ident);
+    free(var->type);
+
+    free(var);
+}
+
+void FreeDecl(Decl *decl)
+{
+    if (!decl) return;
+
+    switch (decl->kind) {
+    case DECL_VAR:
+        FreeDeclVar((DeclVar *)decl->as);
+        break;
+
+    case DECL_FUNC:
+        /* FreeDeclFunc(...) later */
+        break;
+
+    case DECL_TYPE_STRUCT:
+        /* FreeDeclTypeStruct(...) later */
+        break;
+
+    case DECL_TYPE_ENUM:
+        /* ... */
+        break;
+
+    case DECL_TYPE_UNION:
+        /* ... */
+        break;
+    }
+
+    free(decl);
+}
+
+#endif