scsh-0.6/c/scheme48vm.h

62 lines
2.1 KiB
C

/*
* Externally visible objects defined in scheme48vm.c.
*/
#include "scheme48.h"
/* initializing */
extern void s48_init(void);
extern void s48_initialize_vm(char *, long);
/* running */
extern long s48_call_startup_procedure(char **, long);
extern s48_value s48_restart(s48_value proc, long nargs);
extern s48_value s48_Scallback_return_stack_blockS;
/* for extension.c */
extern void s48_set_extension_valueB(s48_value);
extern s48_value s48_Sextension_valueS;
/* interrupts */
extern void s48_note_event(void);
extern char s48_Spending_eventsPS;
extern char s48_Spending_interruptPS;
extern void s48_disable_interruptsB(void);
extern void s48_enable_interruptsB(void);
extern void s48_set_os_signal(s48_value type, s48_value argument);
/* imported and exported bindings */
extern void s48_define_exported_binding(char *, s48_value);
extern s48_value s48_get_imported_binding(char *);
/* for raising exceptions in external code */
extern void s48_setup_external_exception(s48_value exception,
long nargs);
extern s48_value s48_resetup_external_exception(s48_value exception,
long additional_nargs);
extern void s48_push(s48_value value);
extern s48_value s48_stack_ref(long offset);
extern void s48_stack_setB(long offset, s48_value value);
/* called when writing an image */
extern s48_value s48_copy_symbol_table(void);
extern void s48_mark_traced_channels_closedB(void);
extern s48_value s48_cleaned_imported_bindings(void);
extern s48_value s48_exported_bindings(void);
/* called when resuming an image */
extern char s48_warn_about_undefined_imported_bindings(void);
/* manipulating channels */
extern void s48_close_channel(long);
extern s48_value s48_set_channel_os_index(s48_value, long);
extern s48_value s48_add_channel(s48_value, s48_value, long);
/* external allocation and GC roots */
extern s48_value s48_allocate_stob(long type, long size);
extern void s48_push_gc_rootsB(char *, long);
extern char s48_pop_gc_rootsB(void);
extern char * s48_set_gc_roots_baseB(void);
extern char s48_release_gc_roots_baseB(char *);
extern void s48_register_gc_rootB(char *marker);