fix bug causing parser to miss new lines after let.

src/parser/declaration/declaration.c

@@ -100,12 +100,14 @@ ParsedValue *parse_declaration(char *file, DArray *tokens, size_t *index) {
         break;
       token = darray_get(tokens, *index);
     }
-    skip_newlines_and_indents(tokens, index);
+    size_t count = skip_newlines_and_indents(tokens, index);
     if ((*index) >= tokens->size)
       break;
     token = darray_get(tokens, *index);
-    if (token->type != TOKEN_COMMA)
+    if (token->type != TOKEN_COMMA) {
+      (*index)-=count;
       break;
+    }
     (*index)++;
     error_if_finished(file, tokens, index);
     skip_newlines_and_indents(tokens, index);

src/parser/parser.c

@@ -30,19 +30,22 @@ void error_if_finished(char *file, DArray *tokens, size_t *index) {
   }
 }
 
-void skip_newlines_and_indents(DArray *tokens, size_t *index) {
+size_t skip_newlines_and_indents(DArray *tokens, size_t *index) {
   bool passed = false;
+  size_t count = 0;
   while (!passed && (*index) < tokens->size) {
     Token *token = darray_get(tokens, *index);
     switch (token->type) {
     case TOKEN_NEW_LINE:
     case TOKEN_INDENT:
+      count++;
       (*index)++;
       break;
     default:
       passed = true;
     }
   }
+  return count;
 }
 
 ParsedValue *parse_token(char *file, DArray *tokens, size_t *index,
@@ -140,10 +143,11 @@ void parser(char *file, DArray *parsed, DArray *tokens, bool inline_flag) {
   size_t index = 0;
   bool expecting_new_line = false;
   while (index < tokens->size) {
+    size_t old_index = index;
     ParsedValue *parsed_code = parse_token(file, tokens, &index, inline_flag);
     if (parsed_code) {
       if (expecting_new_line) {
-        Token *token = darray_get(tokens, index-1);
+        Token *token = darray_get(tokens, old_index);
         fprintf(stderr, "%s:%zu:%zu error: syntax error\n", file, token->line,
                 token->column);
         exit(EXIT_FAILURE);

src/parser/parser.h

@@ -37,6 +37,6 @@ void free_parsed(void *ptr);
 
 void error_if_finished(char *file,DArray *tokens, size_t *index);
 
-void skip_newlines_and_indents(DArray *tokens, size_t *index);
+size_t skip_newlines_and_indents(DArray *tokens, size_t *index);
 
 #endif // PARSER_H