added parse, just need a few more helper funtions to start testing some things

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);

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;
         }