313 lines
6.5 KiB
C
313 lines
6.5 KiB
C
/**
|
|
* See Copyright Notice in picrin.h
|
|
*/
|
|
|
|
#include "picrin.h"
|
|
#include "picrin/extra.h"
|
|
#include "picrin/private/object.h"
|
|
#include "picrin/private/state.h"
|
|
|
|
static pic_value
|
|
pic_features(pic_state *pic)
|
|
{
|
|
pic_get_args(pic, "");
|
|
|
|
return pic->features;
|
|
}
|
|
|
|
static void
|
|
pic_init_features(pic_state *pic)
|
|
{
|
|
pic_defun(pic, "features", pic_features);
|
|
|
|
pic_add_feature(pic, "picrin");
|
|
|
|
#if __STDC_IEC_559__
|
|
pic_add_feature(pic, "ieee-float");
|
|
#endif
|
|
|
|
#if _POSIX_SOURCE
|
|
pic_add_feature(pic, "posix");
|
|
#endif
|
|
|
|
#if _WIN32
|
|
pic_add_feature(pic, "windows");
|
|
#endif
|
|
|
|
#if __unix__
|
|
pic_add_feature(pic, "unix");
|
|
#endif
|
|
#if __gnu_linux__
|
|
pic_add_feature(pic, "gnu-linux");
|
|
#endif
|
|
#if __FreeBSD__
|
|
pic_add_feature(pic, "freebsd");
|
|
#endif
|
|
|
|
#if __i386__
|
|
pic_add_feature(pic, "i386");
|
|
#elif __x86_64__
|
|
pic_add_feature(pic, "x86-64");
|
|
#elif __ppc__
|
|
pic_add_feature(pic, "ppc");
|
|
#elif __sparc__
|
|
pic_add_feature(pic, "sparc");
|
|
#endif
|
|
|
|
#if __ILP32__
|
|
pic_add_feature(pic, "ilp32");
|
|
#elif __LP64__
|
|
pic_add_feature(pic, "lp64");
|
|
#endif
|
|
|
|
#if defined(__BYTE_ORDER__)
|
|
# if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
|
|
pic_add_feature(pic, "little-endian");
|
|
# elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
|
|
pic_add_feature(pic, "big-endian");
|
|
# endif
|
|
#else
|
|
# if __LITTLE_ENDIAN__
|
|
pic_add_feature(pic, "little-endian");
|
|
# elif __BIG_ENDIAN__
|
|
pic_add_feature(pic, "big-endian");
|
|
# endif
|
|
#endif
|
|
}
|
|
|
|
void
|
|
pic_add_feature(pic_state *pic, const char *feature)
|
|
{
|
|
pic_push(pic, pic_intern_cstr(pic, feature), pic->features);
|
|
}
|
|
|
|
#define import_builtin_syntax(name) do { \
|
|
pic_value nick, real; \
|
|
nick = pic_intern_lit(pic, "builtin:" name); \
|
|
real = pic_intern_lit(pic, name); \
|
|
pic_put_identifier(pic, nick, real, env); \
|
|
} while (0)
|
|
|
|
void pic_init_bool(pic_state *);
|
|
void pic_init_pair(pic_state *);
|
|
void pic_init_port(pic_state *);
|
|
void pic_init_number(pic_state *);
|
|
void pic_init_proc(pic_state *);
|
|
void pic_init_symbol(pic_state *);
|
|
void pic_init_vector(pic_state *);
|
|
void pic_init_blob(pic_state *);
|
|
void pic_init_cont(pic_state *);
|
|
void pic_init_char(pic_state *);
|
|
void pic_init_error(pic_state *);
|
|
void pic_init_str(pic_state *);
|
|
void pic_init_var(pic_state *);
|
|
void pic_init_write(pic_state *);
|
|
void pic_init_read(pic_state *);
|
|
void pic_init_dict(pic_state *);
|
|
void pic_init_record(pic_state *);
|
|
void pic_init_eval(pic_state *);
|
|
void pic_init_lib(pic_state *);
|
|
void pic_init_weak(pic_state *);
|
|
|
|
void pic_boot(pic_state *);
|
|
|
|
#define DONE pic_leave(pic, ai);
|
|
|
|
static void
|
|
pic_init_core(pic_state *pic)
|
|
{
|
|
size_t ai = pic_enter(pic);
|
|
pic_value env;
|
|
|
|
pic_deflibrary(pic, "picrin.base");
|
|
|
|
env = pic_library_environment(pic, pic->lib);
|
|
|
|
import_builtin_syntax("define");
|
|
import_builtin_syntax("set!");
|
|
import_builtin_syntax("quote");
|
|
import_builtin_syntax("lambda");
|
|
import_builtin_syntax("if");
|
|
import_builtin_syntax("begin");
|
|
import_builtin_syntax("define-macro");
|
|
|
|
pic_init_features(pic); DONE;
|
|
pic_init_bool(pic); DONE;
|
|
pic_init_pair(pic); DONE;
|
|
pic_init_port(pic); DONE;
|
|
pic_init_number(pic); DONE;
|
|
pic_init_proc(pic); DONE;
|
|
pic_init_symbol(pic); DONE;
|
|
pic_init_vector(pic); DONE;
|
|
pic_init_blob(pic); DONE;
|
|
pic_init_cont(pic); DONE;
|
|
pic_init_char(pic); DONE;
|
|
pic_init_error(pic); DONE;
|
|
pic_init_str(pic); DONE;
|
|
pic_init_var(pic); DONE;
|
|
pic_init_read(pic); DONE;
|
|
pic_init_dict(pic); DONE;
|
|
pic_init_record(pic); DONE;
|
|
pic_init_eval(pic); DONE;
|
|
pic_init_lib(pic); DONE;
|
|
pic_init_weak(pic); DONE;
|
|
|
|
#if PIC_USE_WRITE
|
|
pic_init_write(pic); DONE;
|
|
#endif
|
|
|
|
pic_boot(pic); DONE;
|
|
}
|
|
|
|
pic_state *
|
|
pic_open(pic_allocf allocf, void *userdata)
|
|
{
|
|
pic_state *pic;
|
|
|
|
pic = allocf(userdata, NULL, sizeof(pic_state));
|
|
|
|
if (! pic) {
|
|
goto EXIT_PIC;
|
|
}
|
|
|
|
/* allocator */
|
|
pic->allocf = allocf;
|
|
|
|
/* user data */
|
|
pic->userdata = userdata;
|
|
|
|
/* turn off GC */
|
|
pic->gc_enable = false;
|
|
|
|
/* continuation chain */
|
|
pic->cc = NULL;
|
|
|
|
/* root block */
|
|
pic->cp = NULL;
|
|
|
|
/* prepare VM stack */
|
|
pic->stbase = pic->sp = allocf(userdata, NULL, PIC_STACK_SIZE * sizeof(pic_value));
|
|
pic->stend = pic->stbase + PIC_STACK_SIZE;
|
|
|
|
if (! pic->sp) {
|
|
goto EXIT_SP;
|
|
}
|
|
|
|
/* callinfo */
|
|
pic->cibase = pic->ci = allocf(userdata, NULL, PIC_STACK_SIZE * sizeof(struct callinfo));
|
|
pic->ciend = pic->cibase + PIC_STACK_SIZE;
|
|
|
|
if (! pic->ci) {
|
|
goto EXIT_CI;
|
|
}
|
|
|
|
/* GC arena */
|
|
pic->arena = allocf(userdata, NULL, PIC_ARENA_SIZE * sizeof(struct object *));
|
|
pic->arena_size = PIC_ARENA_SIZE;
|
|
pic->arena_idx = 0;
|
|
|
|
if (! pic->arena) {
|
|
goto EXIT_ARENA;
|
|
}
|
|
|
|
/* memory heap */
|
|
pic->heap = pic_heap_open(pic);
|
|
|
|
/* symbol table */
|
|
kh_init(oblist, &pic->oblist);
|
|
|
|
/* unique symbol count */
|
|
pic->ucnt = 0;
|
|
|
|
/* global variables */
|
|
pic->globals = pic_invalid_value(pic);
|
|
|
|
/* macros */
|
|
pic->macros = pic_invalid_value(pic);
|
|
|
|
/* features */
|
|
pic->features = pic_nil_value(pic);
|
|
|
|
/* libraries */
|
|
kh_init(ltable, &pic->ltable);
|
|
pic->lib = NULL;
|
|
|
|
/* ireps */
|
|
pic->ireps.next = &pic->ireps;
|
|
pic->ireps.prev = &pic->ireps;
|
|
|
|
/* raised error object */
|
|
pic->panicf = NULL;
|
|
pic->err = pic_invalid_value(pic);
|
|
|
|
/* root tables */
|
|
pic->globals = pic_make_weak(pic);
|
|
pic->macros = pic_make_weak(pic);
|
|
|
|
/* root block */
|
|
pic->cp = (struct checkpoint *)pic_obj_alloc(pic, sizeof(struct checkpoint), PIC_TYPE_CP);
|
|
pic->cp->prev = NULL;
|
|
pic->cp->depth = 0;
|
|
pic->cp->in = pic->cp->out = NULL;
|
|
|
|
/* user land */
|
|
pic_deflibrary(pic, "picrin.user");
|
|
|
|
/* turn on GC */
|
|
pic->gc_enable = true;
|
|
|
|
pic_init_core(pic);
|
|
|
|
pic_in_library(pic, "picrin.user");
|
|
|
|
pic_leave(pic, 0); /* empty arena */
|
|
|
|
return pic;
|
|
|
|
EXIT_ARENA:
|
|
allocf(userdata, pic->ci, 0);
|
|
EXIT_CI:
|
|
allocf(userdata, pic->sp, 0);
|
|
EXIT_SP:
|
|
allocf(userdata, pic, 0);
|
|
EXIT_PIC:
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
pic_close(pic_state *pic)
|
|
{
|
|
pic_allocf allocf = pic->allocf;
|
|
|
|
/* clear out root objects */
|
|
pic->sp = pic->stbase;
|
|
pic->ci = pic->cibase;
|
|
pic->arena_idx = 0;
|
|
pic->err = pic_invalid_value(pic);
|
|
pic->globals = pic_invalid_value(pic);
|
|
pic->macros = pic_invalid_value(pic);
|
|
pic->features = pic_nil_value(pic);
|
|
|
|
/* free all libraries */
|
|
kh_clear(ltable, &pic->ltable);
|
|
|
|
/* free all heap objects */
|
|
pic_gc(pic);
|
|
|
|
/* free heaps */
|
|
pic_heap_close(pic, pic->heap);
|
|
|
|
/* free runtime context */
|
|
allocf(pic->userdata, pic->stbase, 0);
|
|
allocf(pic->userdata, pic->cibase, 0);
|
|
|
|
/* free global stacks */
|
|
kh_destroy(oblist, &pic->oblist);
|
|
kh_destroy(ltable, &pic->ltable);
|
|
|
|
/* free GC arena */
|
|
allocf(pic->userdata, pic->arena, 0);
|
|
|
|
allocf(pic->userdata, pic, 0);
|
|
}
|