Created an awful hack for a clean exit on die().

TODO.md

@@ -1,5 +1,7 @@
-1. Differentiate parameters and arguments -- params for function definitions,
-arguments for function calls
+EXCEPTION HANDLING: exception ast type should have as data a giant enum of
+possible types, rather than a char* message. A description of each type could be
+handled under the exception type and print logic. For now, executor checks
+message for special exceptions e.g. exit().
 
 Change editor to GNU Readline.
 Make variables persist through lines in the editor.

src/builtin.c

@@ -136,5 +136,5 @@ AST* builtin_div(size_t argc, AST** argv, Scope* parent) {
 }
 
 AST* builtin_die(size_t argc, AST** argv, Scope* parent) {
-    return ast_init(AST_TYPE_EXC, ast_exc_data_init("exit", NULL));
+    return ast_init(AST_TYPE_EXC, ast_exc_data_init("8", NULL));
 }

src/main.c

@@ -62,6 +62,13 @@ int main(int argc, char** argv) {
 
             AST* eval = exec_start(root);
             ast_print(eval);
+            // Awful hack to exit when die() is called, until proper exception
+            // handling is implemented. TODO TODO TODO PLSFIX.
+            if (eval->type == AST_TYPE_EXC &&
+                ((ASTExcData*)eval->data)->msg[0] == '8') {
+                gc_hack_free();
+                exit(1);
+            }
             gc_hack_free();
         }