#include "libguile/validate.h"
#include "libguile/load.h"
+#include "libguile/fluids.h"
#include <sys/types.h>
#include <sys/stat.h>
Applied to the full name of the file. */
static SCM *scm_loc_load_hook;
+/* The current reader (a fluid). */
+static SCM the_reader = SCM_BOOL_F;
+static size_t the_reader_fluid_num = 0;
+
SCM_DEFINE (scm_primitive_load, "primitive-load", 1, 0, 0,
(SCM filename),
"Load the file named @var{filename} and evaluate its contents in\n"
{ /* scope */
SCM port = scm_open_file (filename, scm_from_locale_string ("r"));
- scm_frame_begin (SCM_F_FRAME_REWINDABLE);
- scm_i_frame_current_load_port (port);
+ scm_dynwind_begin (SCM_F_DYNWIND_REWINDABLE);
+ scm_i_dynwind_current_load_port (port);
while (1)
{
- SCM form = scm_read (port);
+ SCM reader, form;
+
+ /* Lookup and use the current reader to read the next
+ expression. */
+ reader = SCM_FAST_FLUID_REF (the_reader_fluid_num);
+ if (reader == SCM_BOOL_F)
+ form = scm_read (port);
+ else
+ form = scm_call_1 (reader, port);
+
if (SCM_EOF_OBJECT_P (form))
break;
+
scm_primitive_eval_x (form);
}
- scm_frame_end ();
+ scm_dynwind_end ();
scm_close_port (port);
}
return SCM_UNSPECIFIED;
if (SCM_UNBNDP (extensions))
extensions = SCM_EOL;
- scm_frame_begin (0);
+ scm_dynwind_begin (0);
filename_chars = scm_to_locale_string (filename);
filename_len = strlen (filename_chars);
- scm_frame_free (filename_chars);
+ scm_dynwind_free (filename_chars);
/* If FILENAME is absolute, return it unchanged. */
#ifdef __MINGW32__
if (filename_len >= 1 && filename_chars[0] == '/')
#endif
{
- scm_frame_end ();
+ scm_dynwind_end ();
return filename;
}
buf.buf_len = 512;
buf.buf = scm_malloc (buf.buf_len);
- scm_frame_unwind_handler (stringbuf_free, &buf, SCM_F_WIND_EXPLICITLY);
+ scm_dynwind_unwind_handler (stringbuf_free, &buf, SCM_F_WIND_EXPLICITLY);
/* Try every path element.
*/
scm_wrong_type_arg_msg (NULL, 0, path, "proper list");
end:
- scm_frame_end ();
+ scm_dynwind_end ();
return result;
}
#undef FUNC_NAME
scm_nullstr)));
scm_loc_load_hook = SCM_VARIABLE_LOC (scm_c_define ("%load-hook", SCM_BOOL_F));
+ the_reader = scm_make_fluid ();
+ the_reader_fluid_num = SCM_FLUID_NUM (the_reader);
+ SCM_FAST_FLUID_SET_X (the_reader_fluid_num, SCM_BOOL_F);
+ scm_c_define("current-reader", the_reader);
+
init_build_info ();
#include "libguile/load.x"