diff --git a/frontend/cmd/compile.c b/frontend/cmd/compile.c
index 16ddb49..66f7d14 100644
--- a/frontend/cmd/compile.c
+++ b/frontend/cmd/compile.c
@@ -17,8 +17,12 @@ enum {
 
 static int compile_file(const char *path, const b_arglist *args)
 {
-	bool show_lex = b_arglist_get_count(args, OPT_SHOW_LEX_TOKENS, B_COMMAND_INVALID_ID) > 0;
-	bool show_ast = b_arglist_get_count(args, OPT_SHOW_AST_NODES, B_COMMAND_INVALID_ID) > 0;
+	bool show_lex = b_arglist_get_count(
+				args, OPT_SHOW_LEX_TOKENS, B_COMMAND_INVALID_ID)
+	              > 0;
+	bool show_ast = b_arglist_get_count(
+				args, OPT_SHOW_AST_NODES, B_COMMAND_INVALID_ID)
+	              > 0;
 
 	FILE *fp = fopen(path, "r");
 	if (!fp) {
@@ -83,7 +87,8 @@ static int compile_file(const char *path, const b_arglist *args)
 	if (r == 0 && show_ast) {
 		struct ivy_ast_node *root = ivy_parser_root_node(parser);
 		struct ivy_ast_node_iterator it = {0};
-		ivy_ast_node_iterate(root, &it, print_ast_node);
+		ivy_ast_node_iterate(
+			root, &it, IVY_AST_ITERATE_REGULAR, print_ast_node);
 	}
 
 	if (lex) {
diff --git a/frontend/cmd/repl.c b/frontend/cmd/repl.c
index c1ffe73..2175098 100644
--- a/frontend/cmd/repl.c
+++ b/frontend/cmd/repl.c
@@ -13,6 +13,10 @@ enum {
 	OPT_SHOW_AST_NODES,
 };
 
+struct repl {
+	bool r_show_lex, r_show_ast;
+};
+
 static void skip_line(struct ivy_lexer *lex)
 {
 	while (ivy_lexer_tokens_available(lex)) {
@@ -27,24 +31,49 @@ static void skip_line(struct ivy_lexer *lex)
 	}
 }
 
+static int repl_eval_node(struct repl *repl, struct ivy_ast_node *node)
+{
+	struct ivy_ast_node_iterator it = {0};
+
+	if (repl->r_show_ast) {
+		ivy_ast_node_iterate(
+			node, &it, IVY_AST_ITERATE_REGULAR, print_ast_node);
+	}
+
+	ivy_ast_node_iterate(node, &it, IVY_AST_ITERATE_POSTORDER, print_ast_node);
+
+	return 0;
+}
+
 int repl(const b_command *cmd, const b_arglist *args, const b_array *_)
 {
-	b_printf("[bold,bright_red]error[[E0384][reset,bold,white]: cannot assign twice to immutable variable `i`[reset]\n");
+	b_printf(
+		"[bold,bright_red]error[[E0384][reset,bold,white]: cannot "
+		"assign twice to immutable variable `i`[reset]\n");
 	b_printf("[bold,bright_blue] -->[reset] src/main.rs:7:3\n");
 	b_printf("[bold,bright_blue]  |[reset]\n");
 	b_printf("[bold,bright_blue]4 |[reset]     let i = 0;\n");
 	b_printf("[bold,bright_blue]  |         -[reset]\n");
 	b_printf("[bold,bright_blue]  |         |[reset]\n");
-	b_printf("[bold,bright_blue]  |         first assignment to `i`[reset]\n");
-	b_printf("[bold,bright_blue]  |         help: make this binding mutable: `mut i`[reset]\n");
+	b_printf(
+		"[bold,bright_blue]  |         first assignment to "
+		"`i`[reset]\n");
+	b_printf(
+		"[bold,bright_blue]  |         help: make this binding "
+		"mutable: `mut i`[reset]\n");
 	b_printf("[bold,bright_blue]...[reset]\n");
 	b_printf("[bold,bright_blue]7 |[reset]     i += 1;\n");
-	b_printf("[bold,bright_blue]  |[bold,bright_red]     ^^^^^^ cannot assign twice to immutable variable[reset]\n");
+	b_printf(
+		"[bold,bright_blue]  |[bold,bright_red]     ^^^^^^ cannot "
+		"assign twice to immutable variable[reset]\n");
 
-	bool show_lex
-		= b_arglist_get_count(args, OPT_SHOW_LEX_TOKENS, B_COMMAND_INVALID_ID) > 0;
-	bool show_ast
-		= b_arglist_get_count(args, OPT_SHOW_AST_NODES, B_COMMAND_INVALID_ID) > 0;
+	struct repl repl = {};
+	repl.r_show_lex = b_arglist_get_count(
+				  args, OPT_SHOW_LEX_TOKENS, B_COMMAND_INVALID_ID)
+	                > 0;
+	repl.r_show_ast = b_arglist_get_count(
+				  args, OPT_SHOW_AST_NODES, B_COMMAND_INVALID_ID)
+	                > 0;
 
 	struct line_ed *ed = line_ed_create();
 	line_ed_set_flags(ed, LINE_ED_REMOVE_CONTINUATIONS);
@@ -81,7 +110,7 @@ int repl(const b_command *cmd, const b_arglist *args, const b_array *_)
 			continue;
 		}
 
-		if (show_lex) {
+		if (repl.r_show_lex) {
 			print_lex_token(tok);
 		}
 
@@ -98,11 +127,11 @@ int repl(const b_command *cmd, const b_arglist *args, const b_array *_)
 			continue;
 		}
 
-		struct ivy_ast_node *root = ivy_parser_root_node(parser);
+		struct ivy_ast_node *child = NULL;
 
-		if (show_ast) {
-			struct ivy_ast_node_iterator it = {0};
-			ivy_ast_node_iterate(root, &it, print_ast_node);
+		while ((child = ivy_parser_dequeue_node(parser))) {
+			repl_eval_node(&repl, child);
+			ivy_ast_node_destroy(child);
 		}
 	}
 
diff --git a/frontend/line-ed/line-ed.c b/frontend/line-ed/line-ed.c
index 5f442d7..a57a737 100644
--- a/frontend/line-ed/line-ed.c
+++ b/frontend/line-ed/line-ed.c
@@ -1,16 +1,17 @@
 #include "line-ed.h"
+
 #include "history.h"
 #include "hook.h"
 #include "input.h"
 #include "prompt.h"
 
+#include <blue/term/tty.h>
 #include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <wchar.h>
 #include <wctype.h>
-#include <blue/term/tty.h>
 
 #define LINE_ED_FROM_LEX_SOURCE(p)                                             \
 	((struct line_ed *)((char *)p - offsetof(struct line_ed, l_line_source)))
@@ -22,7 +23,7 @@ static enum ivy_status readline(
 	struct line_ed *ed = LINE_ED_FROM_LEX_SOURCE(src);
 
 	line_ed_set_scope_type(ed, scope_type);
-	size_t r = line_ed_readline(ed, out, max);
+	long r = line_ed_readline(ed, out, max);
 	line_ed_set_scope_type(ed, NULL);
 
 	if (r < 0) {