From 7d28b697905d15b425ed6c277ee4401dbca25dcb Mon Sep 17 00:00:00 2001
From: LaEntropiaa <aadrian887mh@gmail.com>
Date: Tue, 24 Mar 2026 21:44:08 -0600
Subject: [PATCH] added parse, just need a few more helper funtions to start
 testing some things

---
 include/parser.h |  3 ++-
 src/parser.c     | 15 ++++++++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/include/parser.h b/include/parser.h
index 80c452a..5a6ca6b 100644
--- a/include/parser.h
+++ b/include/parser.h
@@ -12,11 +12,12 @@ typedef struct {
 
 ASTNode ASTNodeSlice_peek(ASTNodeSlice *slice);
 ASTNode ASTNodeSlice_next(ASTNodeSlice *slice);
+bool ASTNodeSlice_is_valid(ASTNodeSlice *slice);
 
 ASTNode *nud(ASTNodeSlice *slice);
 ASTNode *led(ASTNodeSlice *slice, size_t right_precedence);
 
 uint8_t node_lbp(ASTNode node);
 uint8_t node_rbp(ASTNode node);
-AST parse(ASTNodeArray arr);
+AST parse(ASTNodeArray *arr);
 ASTNode *parse_expr(ASTNodeSlice *slice, uint8_t min_bp);
diff --git a/src/parser.c b/src/parser.c
index 71e8cb4..8d9f365 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -37,12 +37,25 @@ uint8_t node_rbp(ASTNode node) {
     }
 }
 
+
+
+AST parse(ASTNodeArray *arr) {
+    AST tree;
+    ASTNodeSlice context = {
+        .arr = arr,
+        .pos = 0,
+    };
+
+    tree.head = parse_expr(&context, 0);
+    return tree;
+}
+
 ASTNode *parse_expr(ASTNodeSlice *slice, uint8_t min_bp) {
     ASTNode *left_side = malloc(sizeof(ASTNode));
     *left_side = ASTNodeSlice_next(slice);
 
     while (true) {
-        if (slice->pos >= slice->arr->len - 1) {
+        if (ASTNodeSlice_is_valid(slice)) {
             break;
         }