✨ comments.

lib/include/lexer.h

@@ -20,7 +20,9 @@ struct lexer
 void lexer_init(struct lexer* self, char const* source);
 void lexer_free(struct lexer* self);
 
+bool lexer_is_at_end(struct lexer* self);
 void lexer_skip_spaces(struct lexer* self);
+void lexer_skip_comments(struct lexer* self);
 bool lexer_is_sep(struct lexer* self, size_t index);
 
 bool lexer_next_is(struct lexer* self, TokenKind kind);

lib/src/lexer.c

@@ -31,6 +31,13 @@ void lexer_free(struct lexer* self)
     }
 }
 
+bool lexer_is_at_end(struct lexer* self)
+{
+    assert(self);
+    lexer_skip_comments(self);
+    return self->context.cursor >= self->len;
+}
+
 void lexer_skip_spaces(struct lexer* self)
 {
     assert(self);
@@ -47,6 +54,25 @@ void lexer_skip_spaces(struct lexer* self)
     }
 }
 
+void lexer_skip_comments(struct lexer* self)
+{
+    assert(self);
+
+    lexer_skip_spaces(self);
+
+    while (self->context.cursor < self->len
+    && self->source[self->context.cursor] == '#')
+    {
+        while (self->context.cursor < self->len
+               && self->source[self->context.cursor] != '\n')
+        {
+            self->context.cursor++;
+        }
+
+        lexer_skip_spaces(self);
+    }
+}
+
 bool lexer_is_sep(struct lexer* self, size_t index)
 {
     if (index >= self->len) { return true; }
@@ -98,13 +124,13 @@ struct token* lexer_try_new_next(struct lexer* self)
 {
     assert(self);
 
+    lexer_skip_comments(self);
+
     if (!errors_ok())
     {
         return NULL;
     }
 
-    lexer_skip_spaces(self);
-
     struct token* tok = NULL;
 
     if ( (tok=lexer_try_scan_int(self)) )
@@ -128,6 +154,7 @@ struct token* lexer_try_new_next(struct lexer* self)
     SK_SCAN_KEYWORD("or", TOKEN_OR, NULL);
     SK_SCAN_KEYWORD("not", TOKEN_NOT, NULL);
 
+
     if (self->context.cursor < self->len)
     {
         struct str str;

lib/src/parser.c

@@ -50,10 +50,9 @@ struct node* parser_try_root(struct parser* self)
 
     node_init(node, NODE_ROOT, tok);
 
-    while (true)
+    while (!lexer_is_at_end(&self->lexer))
     {
         struct node* expr = SK_TRY(parser_try_expr);
-        if (!expr) { break; }
 
         node_push_new_child(node, expr);
     }