-/* Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
+/* Copyright (C) 1995,1996,1997,1998,1999, 2000 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice. */
+
+/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
+ gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
+
\f
+/* Include the headers for just about everything.
+ We call all their initialization functions. */
#include <stdio.h>
-#include "_scm.h"
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "libguile/_scm.h"
/* Everybody has an init function. */
-#include "alist.h"
-#include "append.h"
-#include "arbiters.h"
-#include "async.h"
-#include "backtrace.h"
-#include "boolean.h"
-#include "chars.h"
-#include "continuations.h"
+#include "libguile/alist.h"
+#include "libguile/arbiters.h"
+#include "libguile/async.h"
+#include "libguile/backtrace.h"
+#include "libguile/boolean.h"
+#include "libguile/chars.h"
+#include "libguile/continuations.h"
#ifdef DEBUG_EXTENSIONS
-#include "debug.h"
+#include "libguile/debug.h"
+#endif
+#ifdef GUILE_DEBUG_MALLOC
+#include "libguile/debug-malloc.h"
#endif
-#include "dynl.h"
-#include "dynwind.h"
-#include "eq.h"
-#include "error.h"
-#include "eval.h"
-#include "feature.h"
-#include "filesys.h"
-#include "fluids.h"
-#include "fports.h"
-#include "gc.h"
-#include "gdbint.h"
-#include "gsubr.h"
-#include "hash.h"
-#include "hashtab.h"
-#include "ioext.h"
-#include "kw.h"
-#include "list.h"
-#include "load.h"
-#include "mallocs.h"
-#include "mbstrings.h"
-#include "net_db.h"
-#include "numbers.h"
-#include "objprop.h"
-#include "options.h"
-#include "pairs.h"
-#include "ports.h"
-#include "posix.h"
+#include "libguile/dynl.h"
+#include "libguile/dynwind.h"
+#include "libguile/environments.h"
+#include "libguile/eq.h"
+#include "libguile/error.h"
+#include "libguile/eval.h"
+#include "libguile/evalext.h"
+#include "libguile/feature.h"
+#include "libguile/filesys.h"
+#include "libguile/fluids.h"
+#include "libguile/fports.h"
+#include "libguile/gc.h"
+#include "libguile/gdbint.h"
+#include "libguile/goops.h"
+#include "libguile/gsubr.h"
+#include "libguile/hash.h"
+#include "libguile/hashtab.h"
+#include "libguile/hooks.h"
+#ifdef GUILE_ISELECT
+#include "libguile/iselect.h"
+#endif
+#include "libguile/ioext.h"
+#include "libguile/keywords.h"
+#include "libguile/lang.h"
+#include "libguile/list.h"
+#include "libguile/load.h"
+#include "libguile/macros.h"
+#include "libguile/mallocs.h"
+#include "libguile/modules.h"
+#include "libguile/net_db.h"
+#include "libguile/numbers.h"
+#include "libguile/objects.h"
+#include "libguile/objprop.h"
+#include "libguile/options.h"
+#include "libguile/pairs.h"
+#include "libguile/ports.h"
+#include "libguile/posix.h"
#ifdef HAVE_REGCOMP
-#include "regex-posix.h"
+#include "libguile/regex-posix.h"
#endif
-#include "print.h"
-#include "procprop.h"
-#include "procs.h"
-#include "ramap.h"
-#include "read.h"
-#include "scmsigs.h"
-#include "script.h"
-#include "sequences.h"
-#include "simpos.h"
-#include "smob.h"
-#include "socket.h"
-#include "srcprop.h"
-#include "stackchk.h"
-#include "stacks.h"
-#include "stime.h"
-#include "strings.h"
-#include "strop.h"
-#include "strorder.h"
-#include "strports.h"
-#include "struct.h"
-#include "symbols.h"
-#include "tag.h"
-#include "throw.h"
-#include "unif.h"
-#include "variable.h"
-#include "vectors.h"
-#include "version.h"
-#include "vports.h"
-#include "weaks.h"
-
-#include "init.h"
+#include "libguile/print.h"
+#include "libguile/procprop.h"
+#include "libguile/procs.h"
+#include "libguile/properties.h"
+#include "libguile/ramap.h"
+#include "libguile/random.h"
+#include "libguile/read.h"
+#include "libguile/scmsigs.h"
+#include "libguile/script.h"
+#include "libguile/simpos.h"
+#include "libguile/smob.h"
+#include "libguile/socket.h"
+#include "libguile/sort.h"
+#include "libguile/srcprop.h"
+#include "libguile/stackchk.h"
+#include "libguile/stacks.h"
+#include "libguile/stime.h"
+#include "libguile/strings.h"
+#include "libguile/strop.h"
+#include "libguile/strorder.h"
+#include "libguile/strports.h"
+#include "libguile/struct.h"
+#include "libguile/symbols.h"
+#include "libguile/tag.h"
+#include "libguile/throw.h"
+#include "libguile/unif.h"
+#include "libguile/values.h"
+#include "libguile/variable.h"
+#include "libguile/vectors.h"
+#include "libguile/version.h"
+#include "libguile/vports.h"
+#include "libguile/weaks.h"
+#include "libguile/guardians.h"
+
+#include "libguile/init.h"
#ifdef HAVE_STRING_H
#include <string.h>
#include <unistd.h>
#endif
\f
+/* Setting up the stack. */
-static void scm_start_stack SCM_P ((void *base));
-static void scm_restart_stack SCM_P ((void * base));
+static void
+restart_stack (void *base)
+{
+ scm_dynwinds = SCM_EOL;
+ SCM_DYNENV (scm_rootcont) = SCM_EOL;
+ SCM_THROW_VALUE (scm_rootcont) = SCM_EOL;
+#ifdef DEBUG_EXTENSIONS
+ SCM_DFRAME (scm_rootcont) = scm_last_debug_frame = 0;
+#endif
+ SCM_BASE (scm_rootcont) = base;
+ scm_continuation_stack_ptr = SCM_MAKINUM (0);
+}
static void
-scm_start_stack (base)
- void * base;
+start_stack (void *base)
{
SCM root;
scm_exitval = SCM_BOOL_F; /* vestigial */
+#if SCM_DEBUG_DEPRECATED == 0
scm_top_level_lookup_closure_var = SCM_BOOL_F;
+#endif
scm_system_transformer = SCM_BOOL_F;
- scm_the_last_stack_var = SCM_BOOL_F;
-
scm_root->fluids = scm_make_initial_fluids ();
/* Create an object to hold the root continuation.
*/
- SCM_NEWCELL (scm_rootcont);
- SCM_SETJMPBUF (scm_rootcont, scm_must_malloc ((long) sizeof (scm_contregs),
- "continuation"));
- SCM_SETCAR (scm_rootcont, scm_tc7_contin);
- SCM_SEQ (scm_rootcont) = 0;
- /* The root continuation if further initialized by scm_restart_stack. */
+ {
+ scm_contregs *contregs = scm_must_malloc (sizeof (scm_contregs),
+ "continuation");
+ contregs->num_stack_items = 0;
+ contregs->seq = 0;
+ SCM_NEWSMOB (scm_rootcont, scm_tc16_continuation, contregs);
+ }
+ /* The root continuation is further initialized by restart_stack. */
/* Create the look-aside stack for variables that are shared between
* captured continuations.
*/
- scm_continuation_stack = scm_make_vector (SCM_MAKINUM (512),
- SCM_UNDEFINED, SCM_UNDEFINED);
- /* The continuation stack is further initialized by scm_restart_stack. */
+ scm_continuation_stack = scm_make_vector (SCM_MAKINUM (512), SCM_UNDEFINED);
+ /* The continuation stack is further initialized by restart_stack. */
/* The remainder of stack initialization is factored out to another
* function so that if this stack is ever exitted, it can be
- * re-entered using scm_restart_stack. */
- scm_restart_stack (base);
+ * re-entered using restart_stack. */
+ restart_stack (base);
}
-static void
-scm_restart_stack (base)
- void * base;
-{
- scm_dynwinds = SCM_EOL;
- SCM_DYNENV (scm_rootcont) = SCM_EOL;
- SCM_THROW_VALUE (scm_rootcont) = SCM_EOL;
-#ifdef DEBUG_EXTENSIONS
- SCM_DFRAME (scm_rootcont) = scm_last_debug_frame = 0;
-#endif
- SCM_BASE (scm_rootcont) = base;
- scm_continuation_stack_ptr = SCM_MAKINUM (0);
-}
-
#if 0
static char remsg[] = "remove\n#define ", addmsg[] = "add\n#define ";
-static void fixconfig SCM_P ((char *s1, char *s2, int s));
-
static void
-fixconfig (s1, s2, s)
- char *s1;
- char *s2;
- int s;
+fixconfig (char *s1,char *s2,int s)
{
fputs (s1, stderr);
fputs (s2, stderr);
}
-static void check_config SCM_P ((void));
-
static void
-check_config ()
+check_config (void)
{
scm_sizet j;
if (HEAP_SEG_SIZE != j)
fixconfig ("reduce", "size of HEAP_SEG_SIZE", 0);
-#ifdef SCM_SINGLES
- if (sizeof (float) != sizeof (long))
- fixconfig (remsg, "SCM_SINGLES", 0);
-#endif /* def SCM_SINGLES */
-
-
#ifdef SCM_BIGDIG
if (2 * SCM_BITSPERDIG / SCM_CHAR_BIT > sizeof (long))
fixconfig (remsg, "SCM_BIGDIG", 0);
\f
/* initializing standard and current I/O ports */
-/* Create standard ports from stdio stdin, stdout, and stderr. */
+typedef struct
+{
+ int fdes;
+ char *mode;
+ char *name;
+} stream_body_data;
+
+/* proc to be called in scope of exception handler stream_handler. */
+static SCM
+stream_body (void *data)
+{
+ stream_body_data *body_data = (stream_body_data *) data;
+ SCM port = scm_fdes_to_port (body_data->fdes, body_data->mode,
+ scm_makfrom0str (body_data->name));
+
+ SCM_REVEALED (port) = 1;
+ return port;
+}
+
+/* exception handler for stream_body. */
+static SCM
+stream_handler (void *data, SCM tag, SCM throw_args)
+{
+ return SCM_BOOL_F;
+}
+
+/* Convert a file descriptor to a port, using scm_fdes_to_port.
+ - NAME is a C string, not a Guile string
+ - set the revealed count for FILE's file descriptor to 1, so
+ that fdes won't be closed when the port object is GC'd.
+ - catch exceptions: allow Guile to be able to start up even
+ if it has been handed bogus stdin/stdout/stderr. replace the
+ bad ports with void ports. */
+static SCM
+scm_standard_stream_to_port (int fdes, char *mode, char *name)
+{
+ SCM port;
+ stream_body_data body_data;
+
+ body_data.fdes = fdes;
+ body_data.mode = mode;
+ body_data.name = name;
+ port = scm_internal_catch (SCM_BOOL_T, stream_body, &body_data,
+ stream_handler, NULL);
+ if (SCM_FALSEP (port))
+ port = scm_void_port (mode);
+ return port;
+}
+
+/* Create standard ports from stdin, stdout, and stderr. */
static void
scm_init_standard_ports ()
{
and scsh, read stdin unbuffered. Applications that can tolerate
buffered input on stdin can reset \ex{(current-input-port)} to
block buffering for higher performance. */
- scm_def_inp = scm_stdio_to_port (stdin,
- (isatty (fileno (stdin)) ? "r0" : "r"),
+
+ scm_def_inp
+ = scm_standard_stream_to_port (0,
+ isatty (0) ? "r0" : "r",
"standard input");
- scm_def_outp = scm_stdio_to_port (stdout, "w", "standard output");
- scm_def_errp = scm_stdio_to_port (stderr, "w", "standard error");
+ scm_def_outp = scm_standard_stream_to_port (1,
+ isatty (1) ? "w0" : "w",
+ "standard output");
+ scm_def_errp = scm_standard_stream_to_port (2,
+ isatty (2) ? "w0" : "w",
+ "standard error");
scm_cur_inp = scm_def_inp;
scm_cur_outp = scm_def_outp;
scm_cur_errp = scm_def_errp;
+ scm_cur_loadp = SCM_BOOL_F;
}
\f
+/* Loading the startup Scheme files. */
+
+/* The boot code "ice-9/boot-9" is only loaded by scm_boot_guile when
+ this is false. The unexec code uses this, to keep ice_9 from being
+ loaded into dumped guile executables. */
+int scm_ice_9_already_loaded = 0;
+
+void
+scm_load_startup_files ()
+{
+ /* We want a path only containing directories from GUILE_LOAD_PATH,
+ SCM_SITE_DIR and SCM_LIBRARY_DIR when searching for the site init
+ file, so we do this before loading Ice-9. */
+ SCM init_path = scm_sys_search_load_path (scm_makfrom0str ("init.scm"));
+
+ /* Load Ice-9. */
+ if (!scm_ice_9_already_loaded)
+ {
+ scm_primitive_load_path (scm_makfrom0str ("ice-9/boot-9.scm"));
+
+ /* Load the init.scm file. */
+ if (SCM_NFALSEP (init_path))
+ scm_primitive_load (init_path);
+
+ scm_post_boot_init_modules ();
+ }
+}
+
+\f
+/* The main init code. */
+
#ifdef _UNICOS
typedef int setjmp_type;
#else
struct main_func_closure
{
/* the function to call */
- void (*main_func) SCM_P ((void *closure, int argc, char **argv));
+ void (*main_func)(void *closure, int argc, char **argv);
void *closure; /* dummy data to pass it */
int argc;
char **argv; /* the argument list it should receive */
};
-static void scm_boot_guile_1 SCM_P ((SCM_STACKITEM *base,
- struct main_func_closure *closure));
-static SCM invoke_main_func SCM_P ((void *body_data, SCM jmpbuf));
+static void scm_init_guile_1 (SCM_STACKITEM *base);
+static void scm_boot_guile_1 (SCM_STACKITEM *base,
+ struct main_func_closure *closure);
+static SCM invoke_main_func(void *body_data);
/* Fire up the Guile Scheme interpreter.
void
-scm_boot_guile (argc, argv, main_func, closure)
- int argc;
- char ** argv;
- void (*main_func) ();
- void *closure;
+scm_boot_guile (int argc, char ** argv, void (*main_func) (), void *closure)
{
/* The garbage collector uses the address of this variable as one
end of the stack, and the address of one of its own local
scm_boot_guile_1 (&dummy, &c);
}
+void
+scm_init_guile ()
+{
+ scm_init_guile_1 ((SCM_STACKITEM *)scm_get_stack_base ());
+}
-/* Record here whether SCM_BOOT_GUILE_1 has already been called. This
- variable is now here and not inside SCM_BOOT_GUILE_1 so that one
- can tweak it. This is necessary for unexec to work. (Hey, "1-live"
- is the name of a local radiostation...) */
-
-int scm_boot_guile_1_live = 0;
+int scm_initialized_p = 0;
static void
-scm_boot_guile_1 (base, closure)
- SCM_STACKITEM *base;
- struct main_func_closure *closure;
+scm_init_guile_1 (SCM_STACKITEM *base)
{
- static int initialized = 0;
- /* static int live = 0; */
- setjmp_type setjmp_val;
+ if (scm_initialized_p)
+ return;
- /* This function is not re-entrant. */
- if (scm_boot_guile_1_live)
- abort ();
-
- scm_boot_guile_1_live = 1;
+ if (base == NULL)
+ {
+ fprintf (stderr, "cannot determine stack base!\n");
+ abort ();
+ }
scm_ints_disabled = 1;
scm_block_gc = 1;
- if (initialized)
- {
- scm_restart_stack (base);
- }
- else
- {
- scm_ports_prehistory ();
- scm_smob_prehistory ();
- scm_tables_prehistory ();
- scm_init_storage (0);
- scm_init_root ();
+ scm_ports_prehistory ();
+ scm_smob_prehistory ();
+ scm_tables_prehistory ();
+#ifdef GUILE_DEBUG_MALLOC
+ scm_debug_malloc_prehistory ();
+#endif
+ scm_init_storage ();
+ scm_struct_prehistory (); /* requires storage */
+ scm_symbols_prehistory (); /* requires storage */
+ scm_weaks_prehistory (); /* requires storage */
+ scm_init_subr_table ();
+ scm_environments_prehistory (); /* create the root environment */
+ scm_init_continuations ();
+ scm_init_root (); /* requires continuations */
#ifdef USE_THREADS
- scm_init_threads (base);
+ scm_init_threads (base);
+#endif
+ start_stack (base);
+ scm_init_gsubr ();
+ scm_init_procprop ();
+ scm_init_environments ();
+ scm_init_feature ();
+ scm_init_alist ();
+ scm_init_arbiters ();
+ scm_init_async ();
+ scm_init_boolean ();
+ scm_init_chars ();
+#ifdef GUILE_DEBUG_MALLOC
+ scm_init_debug_malloc ();
#endif
- scm_start_stack (base);
- scm_init_gsubr ();
- scm_init_feature ();
- scm_init_alist ();
- scm_init_append ();
- scm_init_arbiters ();
- scm_init_async ();
- scm_init_backtrace ();
- scm_init_boolean ();
- scm_init_chars ();
- scm_init_continuations ();
- scm_init_dynwind ();
- scm_init_eq ();
- scm_init_error ();
- scm_init_fluids ();
- scm_init_fports ();
- scm_init_filesys ();
- scm_init_gc ();
- scm_init_gdbint ();
- scm_init_hash ();
- scm_init_hashtab ();
- scm_init_ioext ();
- scm_init_kw ();
- scm_init_list ();
- scm_init_mallocs ();
- scm_init_net_db ();
- scm_init_numbers ();
- scm_init_objprop ();
-#if DEBUG_EXTENSIONS
- /* Excluding this until it's really needed makes the binary
- * smaller after linking. */
- scm_init_options ();
+ scm_init_dynwind ();
+ scm_init_eq ();
+ scm_init_error ();
+ scm_init_fluids ();
+ scm_init_backtrace (); /* Requires fluids */
+ scm_init_fports ();
+ scm_init_gdbint ();
+ scm_init_hash ();
+ scm_init_hashtab ();
+ scm_init_objprop ();
+ scm_init_properties ();
+ scm_init_hooks (); /* Requires objprop until hook names are removed */
+ scm_init_gc (); /* Requires hooks, async */
+#ifdef GUILE_ISELECT
+ scm_init_iselect ();
+#endif
+ scm_init_ioext ();
+ scm_init_keywords ();
+ scm_init_list ();
+ scm_init_macros ();
+ scm_init_mallocs ();
+ scm_init_modules ();
+ scm_init_numbers ();
+ scm_init_options ();
+ scm_init_pairs ();
+ scm_init_ports ();
+#ifdef HAVE_POSIX
+ scm_init_filesys ();
+ scm_init_posix ();
#endif
- scm_init_pairs ();
- scm_init_ports ();
- scm_init_posix ();
#ifdef HAVE_REGCOMP
- scm_init_regex_posix ();
+ scm_init_regex_posix ();
+#endif
+ scm_init_procs ();
+ scm_init_scmsigs ();
+#ifdef HAVE_NETWORKING
+ scm_init_net_db ();
+ scm_init_socket ();
#endif
- scm_init_procs ();
- scm_init_procprop ();
- scm_init_scmsigs ();
- scm_init_socket ();
+ scm_init_sort ();
#ifdef DEBUG_EXTENSIONS
- scm_init_srcprop ();
+ scm_init_srcprop ();
#endif
- scm_init_stackchk ();
- scm_init_struct (); /* Requires struct */
- scm_init_stacks ();
- scm_init_strports ();
- scm_init_symbols ();
- scm_init_tag ();
- scm_init_load ();
- scm_init_print (); /* Requires struct */
- scm_init_read ();
- scm_init_sequences ();
- scm_init_stime ();
- scm_init_strings ();
- scm_init_strorder ();
- scm_init_mbstrings ();
- scm_init_strop ();
- scm_init_throw ();
- scm_init_variable ();
- scm_init_vectors ();
- scm_init_version ();
- scm_init_weaks ();
- scm_init_vports ();
- scm_init_eval ();
+ scm_init_stackchk ();
+ scm_init_struct ();
+ scm_init_stacks (); /* Requires struct */
+ scm_init_strports ();
+ scm_init_symbols ();
+ scm_init_tag ();
+ scm_init_values (); /* Requires struct */
+ scm_init_load ();
+ scm_init_objects (); /* Requires struct */
+ scm_init_print (); /* Requires struct */
+ scm_init_read ();
+ scm_init_stime ();
+ scm_init_strings ();
+ scm_init_strorder ();
+ scm_init_strop ();
+ scm_init_throw ();
+ scm_init_variable ();
+ scm_init_vectors ();
+ scm_init_version ();
+ scm_init_weaks ();
+ scm_init_guardian ();
+ scm_init_vports ();
+ scm_init_eval ();
+ scm_init_evalext ();
#ifdef DEBUG_EXTENSIONS
- scm_init_debug (); /* Requires macro smobs */
+ scm_init_debug (); /* Requires macro smobs */
#endif
- scm_init_ramap ();
- scm_init_unif ();
- scm_init_simpos ();
- scm_init_load_path ();
- scm_init_standard_ports ();
- scm_init_dynamic_linking ();
- scm_init_script ();
- initialized = 1;
- }
+ scm_init_random ();
+#ifdef HAVE_ARRAYS
+ scm_init_ramap ();
+ scm_init_unif ();
+#endif
+ scm_init_simpos ();
+ scm_init_load_path ();
+ scm_init_standard_ports ();
+ scm_init_dynamic_linking ();
+ scm_init_lang ();
+ scm_init_script ();
+
+ scm_init_oop_goops_goopscore_module ();
+
+ scm_initialized_p = 1;
scm_block_gc = 0; /* permit the gc to run */
/* ints still disabled */
scm_stack_checking_enabled_p = SCM_STACK_CHECKING_P;
#endif
- setjmp_val = setjmp (SCM_JMPBUF (scm_rootcont));
- if (!setjmp_val)
- {
- scm_set_program_arguments (closure->argc, closure->argv, 0);
- scm_internal_catch (SCM_BOOL_T, invoke_main_func, closure,
- scm_handle_by_message, 0);
- }
+ scm_load_startup_files ();
+}
+
+/* Record here whether SCM_BOOT_GUILE_1 has already been called. This
+ variable is now here and not inside SCM_BOOT_GUILE_1 so that one
+ can tweak it. This is necessary for unexec to work. (Hey, "1-live"
+ is the name of a local radiostation...) */
+
+int scm_boot_guile_1_live = 0;
+
+static void
+scm_boot_guile_1 (SCM_STACKITEM *base, struct main_func_closure *closure)
+{
+ scm_init_guile_1 (base);
+
+ /* This function is not re-entrant. */
+ if (scm_boot_guile_1_live)
+ abort ();
+
+ scm_boot_guile_1_live = 1;
+
+ scm_set_program_arguments (closure->argc, closure->argv, 0);
+ invoke_main_func (closure);
scm_restore_signals ();
exit (0);
}
-
static SCM
-invoke_main_func (body_data, jmpbuf)
- void *body_data;
- SCM jmpbuf;
+invoke_main_func (void *body_data)
{
struct main_func_closure *closure = (struct main_func_closure *) body_data;
/* never reached */
return SCM_UNDEFINED;
}
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/