reduce node size

1 files changed, 6 insertions, 2 deletions

diff --git a/include/mruby/compile.h b/include/mruby/compile.h
index 0f7cffd08..ed4e9612c 100644
--- a/include/mruby/compile.h
+++ b/include/mruby/compile.h
@@ -37,8 +37,7 @@ void mrbc_partial_hook(mrb_state *mrb, mrbc_context *c, int (*partial_hook)(stru
 /* AST node structure */
 typedef struct mrb_ast_node {
   struct mrb_ast_node *car, *cdr;
-  uint16_t lineno;
-  char const* filename;
+  uint16_t lineno, filename;
 } mrb_ast_node;
 
 /* lexer states */
@@ -144,6 +143,10 @@ struct mrb_parser_state {
   struct mrb_parser_message error_buffer[10];
   struct mrb_parser_message warn_buffer[10];
 
+  mrb_sym* filename_table;
+  size_t filename_table_length;
+  int current_filename_index;
+
   jmp_buf jmp;
 };
 
@@ -152,6 +155,7 @@ void mrb_parser_free(struct mrb_parser_state*);
 void mrb_parser_parse(struct mrb_parser_state*,mrbc_context*);
 
 void mrb_parser_set_filename(struct mrb_parser_state*, char const*);
+char const* mrb_parser_get_filename(struct mrb_parser_state*, uint16_t idx);
 
 /* utility functions */
 #ifdef ENABLE_STDIO