removed the need of file_name_built_ins

src/built_ins.cpp

@@ -171,9 +171,6 @@ namespace Slime {
 
     proc load_built_ins_into_environment() -> void* {
         profile_this();
-        String file_name_built_ins = Memory::create_string(__FILE__);
-        defer_free(file_name_built_ins.data);
-
         define_macro((call/cc fun), "TODO") {
             profile_with_name("(call/cc)");
 

src/define_macros.hpp

@@ -109,7 +109,7 @@
 // because the parser relys on being able to temporaily put in markers
 // in the code and also it will fill out the source code location
 #define _define_helper(def, docstring, type, ending)                                               \
-    Parser::parser_file = file_name_built_ins;                                                     \
+    Parser::parser_file = Memory::create_string_no_alloc((char*)__FILE__);                         \
     Parser::parser_line = __LINE__;                                                                \
     Parser::parser_col = 0;                                                                        \
     auto label(params,__LINE__) = Parser::parse_single_expression(#def);                           \

src/forward_decls.cpp

@@ -49,6 +49,7 @@ namespace Slime {
         char* get_c_str(String);
         void free_everything();
         String create_string(const char*);
+        String create_string_no_alloc(const char*);
         Lisp_Object* get_symbol(String identifier);
         Lisp_Object* get_symbol(const char*);
         Lisp_Object* get_keyword(String identifier);

src/memory.cpp

@@ -74,6 +74,14 @@ namespace Slime::Memory {
 
     }
 
+    proc create_string_no_alloc(char* str) -> String {
+        String s = {
+            (u32)strlen(str),
+            str
+        };
+        return s;
+    }
+
     proc create_string(const char* str, u32 len) -> String {
         String s = {
             len,