515 lines
12 KiB
C
515 lines
12 KiB
C
/**
|
|
* See Copyright Notice in picrin.h
|
|
*/
|
|
|
|
#include "picrin.h"
|
|
|
|
void
|
|
pic_set_argv(pic_state *pic, int argc, char *argv[], char **envp)
|
|
{
|
|
pic->argc = argc;
|
|
pic->argv = argv;
|
|
pic->envp = envp;
|
|
}
|
|
|
|
void
|
|
pic_add_feature(pic_state *pic, const char *feature)
|
|
{
|
|
pic_push(pic, pic_obj_value(pic_intern(pic, feature)), pic->features);
|
|
}
|
|
|
|
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_macro(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_attr(pic_state *);
|
|
void pic_init_reg(pic_state *);
|
|
|
|
extern const char pic_boot[][80];
|
|
|
|
static void
|
|
pic_init_features(pic_state *pic)
|
|
{
|
|
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
|
|
}
|
|
|
|
static pic_value
|
|
pic_features(pic_state *pic)
|
|
{
|
|
pic_get_args(pic, "");
|
|
|
|
return pic->features;
|
|
}
|
|
|
|
#define DONE pic_gc_arena_restore(pic, ai);
|
|
|
|
#define define_builtin_syntax(uid, name) \
|
|
pic_define_syntactic_keyword_(pic, pic->lib->env, pic_intern(pic, name), uid)
|
|
|
|
#define VM(uid, name) \
|
|
pic_define_syntactic_keyword_(pic, pic->lib->env, pic_intern(pic, name), uid)
|
|
|
|
#define VM3(name) \
|
|
pic->c##name = pic_vm_gref_slot(pic, pic->u##name);
|
|
|
|
#define VM2(proc, name) \
|
|
proc = pic_ref(pic, pic->lib, name)
|
|
|
|
static void
|
|
pic_init_core(pic_state *pic)
|
|
{
|
|
void pic_define_syntactic_keyword_(pic_state *, struct pic_env *, pic_sym *, pic_sym *);
|
|
pic_value pic_vm_gref_slot(pic_state *, pic_sym *);
|
|
|
|
pic_init_features(pic);
|
|
|
|
pic_deflibrary (pic, "(picrin base)") {
|
|
size_t ai = pic_gc_arena_preserve(pic);
|
|
|
|
define_builtin_syntax(pic->uDEFINE, "builtin:define");
|
|
define_builtin_syntax(pic->uSETBANG, "builtin:set!");
|
|
define_builtin_syntax(pic->uQUOTE, "builtin:quote");
|
|
define_builtin_syntax(pic->uLAMBDA, "builtin:lambda");
|
|
define_builtin_syntax(pic->uIF, "builtin:if");
|
|
define_builtin_syntax(pic->uBEGIN, "builtin:begin");
|
|
define_builtin_syntax(pic->uDEFINE_MACRO, "builtin:define-macro");
|
|
|
|
pic_defun(pic, "features", pic_features);
|
|
|
|
VM(pic->uCONS, "cons");
|
|
VM(pic->uCAR, "car");
|
|
VM(pic->uCDR, "cdr");
|
|
VM(pic->uNILP, "null?");
|
|
VM(pic->uSYMBOLP, "symbol?");
|
|
VM(pic->uPAIRP, "pair?");
|
|
VM(pic->uNOT, "not");
|
|
VM(pic->uADD, "+");
|
|
VM(pic->uSUB, "-");
|
|
VM(pic->uMUL, "*");
|
|
VM(pic->uDIV, "/");
|
|
VM(pic->uEQ, "=");
|
|
VM(pic->uLT, "<");
|
|
VM(pic->uLE, "<=");
|
|
VM(pic->uGT, ">");
|
|
VM(pic->uGE, ">=");
|
|
|
|
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_macro(pic); DONE;
|
|
pic_init_var(pic); DONE;
|
|
pic_init_write(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_attr(pic); DONE;
|
|
pic_init_reg(pic); DONE;
|
|
|
|
VM3(CONS);
|
|
VM3(CAR);
|
|
VM3(CDR);
|
|
VM3(NILP);
|
|
VM3(SYMBOLP);
|
|
VM3(PAIRP);
|
|
VM3(NOT);
|
|
VM3(ADD);
|
|
VM3(SUB);
|
|
VM3(MUL);
|
|
VM3(DIV);
|
|
VM3(EQ);
|
|
VM3(LT);
|
|
VM3(LE);
|
|
VM3(GT);
|
|
VM3(GE);
|
|
|
|
VM2(pic->pCONS, "cons");
|
|
VM2(pic->pCAR, "car");
|
|
VM2(pic->pCDR, "cdr");
|
|
VM2(pic->pNILP, "null?");
|
|
VM2(pic->pSYMBOLP, "symbol?");
|
|
VM2(pic->pPAIRP, "pair?");
|
|
VM2(pic->pNOT, "not");
|
|
VM2(pic->pADD, "+");
|
|
VM2(pic->pSUB, "-");
|
|
VM2(pic->pMUL, "*");
|
|
VM2(pic->pDIV, "/");
|
|
VM2(pic->pEQ, "=");
|
|
VM2(pic->pLT, "<");
|
|
VM2(pic->pLE, "<=");
|
|
VM2(pic->pGT, ">");
|
|
VM2(pic->pGE, ">=");
|
|
|
|
pic_try {
|
|
pic_load_cstr(pic, &pic_boot[0][0]);
|
|
}
|
|
pic_catch {
|
|
pic_print_backtrace(pic, xstdout);
|
|
pic_panic(pic, "");
|
|
}
|
|
}
|
|
}
|
|
|
|
pic_state *
|
|
pic_open(pic_allocf allocf, void *userdata)
|
|
{
|
|
struct pic_port *pic_make_standard_port(pic_state *, xFILE *, short);
|
|
char t;
|
|
|
|
pic_state *pic;
|
|
size_t ai;
|
|
|
|
pic = allocf(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;
|
|
pic->ccnt = 0;
|
|
|
|
/* root block */
|
|
pic->cp = NULL;
|
|
|
|
/* command line */
|
|
pic->argc = 0;
|
|
pic->argv = NULL;
|
|
pic->envp = NULL;
|
|
|
|
/* prepare VM stack */
|
|
pic->stbase = pic->sp = allocf(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(NULL, PIC_STACK_SIZE * sizeof(pic_callinfo));
|
|
pic->ciend = pic->cibase + PIC_STACK_SIZE;
|
|
|
|
if (! pic->ci) {
|
|
goto EXIT_CI;
|
|
}
|
|
|
|
/* exception handler */
|
|
pic->xpbase = pic->xp = allocf(NULL, PIC_RESCUE_SIZE * sizeof(struct pic_proc *));
|
|
pic->xpend = pic->xpbase + PIC_RESCUE_SIZE;
|
|
|
|
if (! pic->xp) {
|
|
goto EXIT_XP;
|
|
}
|
|
|
|
/* GC arena */
|
|
pic->arena = allocf(NULL, PIC_ARENA_SIZE * sizeof(struct pic_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(s, &pic->syms);
|
|
|
|
/* unique symbol count */
|
|
pic->ucnt = 0;
|
|
|
|
/* global variables */
|
|
pic->globals = NULL;
|
|
|
|
/* macros */
|
|
pic->macros = NULL;
|
|
|
|
/* attributes */
|
|
pic->attrs = NULL;
|
|
|
|
/* features */
|
|
pic->features = pic_nil_value();
|
|
|
|
/* libraries */
|
|
pic->libs = pic_nil_value();
|
|
pic->lib = NULL;
|
|
|
|
/* raised error object */
|
|
pic->err = pic_invalid_value();
|
|
|
|
/* file pool */
|
|
memset(pic->files, 0, sizeof pic->files);
|
|
|
|
/* parameter table */
|
|
pic->ptable = pic_nil_value();
|
|
|
|
/* native stack marker */
|
|
pic->native_stack_start = &t;
|
|
|
|
ai = pic_gc_arena_preserve(pic);
|
|
|
|
#define S(slot,name) pic->slot = pic_intern(pic, name)
|
|
|
|
S(sQUOTE, "quote");
|
|
S(sQUASIQUOTE, "quasiquote");
|
|
S(sUNQUOTE, "unquote");
|
|
S(sUNQUOTE_SPLICING, "unquote-splicing");
|
|
S(sSYNTAX_QUOTE, "syntax-quote");
|
|
S(sSYNTAX_QUASIQUOTE, "syntax-quasiquote");
|
|
S(sSYNTAX_UNQUOTE, "syntax-unquote");
|
|
S(sSYNTAX_UNQUOTE_SPLICING, "syntax-unquote-splicing");
|
|
S(sIMPORT, "import");
|
|
S(sEXPORT, "export");
|
|
S(sDEFINE_LIBRARY, "define-library");
|
|
S(sCOND_EXPAND, "cond-expand");
|
|
S(sCALL, "call");
|
|
S(sGREF, "gref");
|
|
S(sLREF, "lref");
|
|
S(sCREF, "cref");
|
|
|
|
pic_gc_arena_restore(pic, ai);
|
|
|
|
#define U(slot,name) pic->slot = pic_uniq(pic, pic_obj_value(pic_intern(pic, name)))
|
|
|
|
U(uDEFINE, "define");
|
|
U(uLAMBDA, "lambda");
|
|
U(uIF, "if");
|
|
U(uBEGIN, "begin");
|
|
U(uSETBANG, "set!");
|
|
U(uQUOTE, "quote");
|
|
U(uDEFINE_MACRO, "define-macro");
|
|
U(uIMPORT, "import");
|
|
U(uEXPORT, "export");
|
|
U(uDEFINE_LIBRARY, "define-library");
|
|
U(uCOND_EXPAND, "cond-expand");
|
|
U(uCONS, "cons");
|
|
U(uCAR, "car");
|
|
U(uCDR, "cdr");
|
|
U(uNILP, "null?");
|
|
U(uSYMBOLP, "symbol?");
|
|
U(uPAIRP, "pair?");
|
|
U(uADD, "+");
|
|
U(uSUB, "-");
|
|
U(uMUL, "*");
|
|
U(uDIV, "/");
|
|
U(uEQ, "=");
|
|
U(uLT, "<");
|
|
U(uLE, "<=");
|
|
U(uGT, ">");
|
|
U(uGE, ">=");
|
|
U(uNOT, "not");
|
|
pic_gc_arena_restore(pic, ai);
|
|
|
|
/* system procedures */
|
|
pic->pCONS = pic_invalid_value();
|
|
pic->pCAR = pic_invalid_value();
|
|
pic->pCDR = pic_invalid_value();
|
|
pic->pNILP = pic_invalid_value();
|
|
pic->pSYMBOLP = pic_invalid_value();
|
|
pic->pPAIRP = pic_invalid_value();
|
|
pic->pNOT = pic_invalid_value();
|
|
pic->pADD = pic_invalid_value();
|
|
pic->pSUB = pic_invalid_value();
|
|
pic->pMUL = pic_invalid_value();
|
|
pic->pDIV = pic_invalid_value();
|
|
pic->pEQ = pic_invalid_value();
|
|
pic->pLT = pic_invalid_value();
|
|
pic->pLE = pic_invalid_value();
|
|
pic->pGT = pic_invalid_value();
|
|
pic->pGE = pic_invalid_value();
|
|
|
|
/* root tables */
|
|
pic->globals = pic_make_dict(pic);
|
|
pic->macros = pic_make_dict(pic);
|
|
pic->attrs = pic_make_reg(pic);
|
|
|
|
/* root block */
|
|
pic->cp = (pic_checkpoint *)pic_obj_alloc(pic, sizeof(pic_checkpoint), PIC_TT_CP);
|
|
pic->cp->prev = NULL;
|
|
pic->cp->depth = 0;
|
|
pic->cp->in = pic->cp->out = NULL;
|
|
|
|
/* reader */
|
|
pic_reader_init(pic);
|
|
|
|
/* parameter table */
|
|
pic->ptable = pic_cons(pic, pic_obj_value(pic_make_reg(pic)), pic->ptable);
|
|
|
|
/* standard libraries */
|
|
pic->PICRIN_BASE = pic_make_library(pic, pic_read_cstr(pic, "(picrin base)"));
|
|
pic->PICRIN_USER = pic_make_library(pic, pic_read_cstr(pic, "(picrin user)"));
|
|
pic->lib = pic->PICRIN_USER;
|
|
pic->prev_lib = NULL;
|
|
|
|
pic_gc_arena_restore(pic, ai);
|
|
|
|
/* turn on GC */
|
|
pic->gc_enable = true;
|
|
|
|
pic->cCONS = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
pic->cCAR = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
pic->cCDR = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
pic->cNILP = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
pic->cSYMBOLP = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
pic->cPAIRP = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
pic->cNOT = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
pic->cADD = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
pic->cSUB = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
pic->cMUL = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
pic->cDIV = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
pic->cEQ = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
pic->cLT = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
pic->cLE = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
pic->cGT = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
pic->cGE = pic_cons(pic, pic_false_value(), pic_invalid_value());
|
|
|
|
pic_init_core(pic);
|
|
|
|
pic_gc_arena_restore(pic, ai);
|
|
|
|
return pic;
|
|
|
|
EXIT_ARENA:
|
|
allocf(pic->xp, 0);
|
|
EXIT_XP:
|
|
allocf(pic->ci, 0);
|
|
EXIT_CI:
|
|
allocf(pic->sp, 0);
|
|
EXIT_SP:
|
|
allocf(pic, 0);
|
|
EXIT_PIC:
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
pic_close(pic_state *pic)
|
|
{
|
|
khash_t(s) *h = &pic->syms;
|
|
pic_allocf allocf = pic->allocf;
|
|
|
|
/* clear out root objects */
|
|
pic->sp = pic->stbase;
|
|
pic->ci = pic->cibase;
|
|
pic->xp = pic->xpbase;
|
|
pic->arena_idx = 0;
|
|
pic->err = pic_invalid_value();
|
|
pic->globals = NULL;
|
|
pic->macros = NULL;
|
|
pic->attrs = NULL;
|
|
pic->features = pic_nil_value();
|
|
pic->libs = pic_nil_value();
|
|
|
|
/* free all heap objects */
|
|
pic_gc_run(pic);
|
|
|
|
/* flush all xfiles */
|
|
xfflush(pic, NULL);
|
|
|
|
/* free heaps */
|
|
pic_heap_close(pic, pic->heap);
|
|
|
|
/* free reader struct */
|
|
pic_reader_destroy(pic);
|
|
|
|
/* free runtime context */
|
|
allocf(pic->stbase, 0);
|
|
allocf(pic->cibase, 0);
|
|
allocf(pic->xpbase, 0);
|
|
|
|
/* free global stacks */
|
|
kh_destroy(s, h);
|
|
|
|
/* free GC arena */
|
|
allocf(pic->arena, 0);
|
|
|
|
allocf(pic, 0);
|
|
}
|