/* g/n.c ** */ #include "all.h" /* u3_term_io_hija(): hijack console for cooked print. */ FILE* u3_term_io_hija(void); /* u3_term_io_loja(): release console from cooked print. */ void u3_term_io_loja(int x); /* uL, uH: wrap hijack/lojack around fprintf. ** ** uL(fprintf(uH, ...)); */ # define uH u3_term_io_hija() # define uL(x) u3_term_io_loja(x) // define to have each opcode printed as it executes, // along with some other debugging info # undef VERBOSE_BYTECODE /* _n_mush_in(): see _n_mush(). */ static u3_noun _n_mush_in(u3_noun val) { if ( c3n == u3du(val) ) { return u3_nul; } else { u3_noun h_val = u3h(val); u3_noun ite; if ( c3n == u3ud(h_val) ) { ite = u3nc(c3__leaf, u3_nul); } else { ite = u3nc(c3__leaf, u3qe_trip(h_val)); } return u3nc(ite, _n_mush_in(u3t(val))); } } /* _n_mush(): tank from failed path request. */ static u3_noun _n_mush(u3_noun val) { u3_noun pro; pro = u3nt(c3__rose, u3nt(u3nc('/', u3_nul), u3nc('/', u3_nul), u3_nul), _n_mush_in(val)); u3z(val); return pro; } #if 0 // Retained for debugging purposes. static u3_noun _n_nock_on(u3_noun bus, u3_noun fol); /* _n_hint(): process hint. */ static u3_noun _n_hint(u3_noun zep, u3_noun hod, u3_noun bus, u3_noun nex) { switch ( zep ) { default: { // u3m_p("weird zep", zep); u3a_lose(zep); u3a_lose(hod); return _n_nock_on(bus, nex); } case c3__hunk: case c3__lose: case c3__mean: case c3__spot: { u3_noun tac = u3nc(zep, hod); u3_noun pro; u3t_push(tac); #if 0 { static int low_i; if ( !low_i ) { low_i = 1; if ( 0 == (u3R->pro.nox_d % 65536ULL) ) { if ( c3__spot == zep ) { uL(fprintf(uH, "spot %d/%d : %d/%d\r\n", u3h(u3h(u3t(hod))), u3t(u3h(u3t(hod))), u3h(u3t(u3t(hod))), u3t(u3t(u3t(hod))))); } } low_i = 0; } } #endif pro = _n_nock_on(bus, nex); u3t_drop(); return pro; } case c3__live: { if ( c3y == u3ud(hod) ) { u3t_off(noc_o); u3t_heck(hod); u3t_on(noc_o); } else { u3z(hod); } return _n_nock_on(bus, nex); } case c3__slog: { if ( !(u3C.wag_w & u3o_quiet) ) { u3t_off(noc_o); u3t_slog(hod); u3t_on(noc_o); } return _n_nock_on(bus, nex); } case c3__germ: { u3_noun pro = _n_nock_on(bus, nex); if ( c3y == u3r_sing(pro, hod) ) { u3z(pro); return hod; } else { u3z(hod); return pro; } } case c3__fast: { u3_noun pro = _n_nock_on(bus, nex); u3t_off(noc_o); u3j_mine(hod, u3k(pro)); u3t_on(noc_o); return pro; } case c3__memo: { u3z(hod); #if 0 return _n_nock_on(bus, nex); #else { u3_noun pro = u3z_find_2(144 + c3__nock, bus, nex); if ( pro != u3_none ) { u3z(bus); u3z(nex); return pro; } pro = _n_nock_on(u3k(bus), u3k(nex)); if ( &(u3H->rod_u) != u3R ) { u3z_save_2(144 + c3__nock, bus, nex, pro); } u3z(bus); u3z(nex); return pro; } #endif } case c3__sole: { u3z(hod); { u3_noun pro = _n_nock_on(bus, nex); // return u3z_uniq(pro); return pro; } } } } /* _n_nock_on(): produce .*(bus fol). Do not virtualize. */ static u3_noun _n_nock_on(u3_noun bus, u3_noun fol) { u3_noun hib, gal; while ( 1 ) { hib = u3h(fol); gal = u3t(fol); #ifdef U3_CPU_DEBUG u3R->pro.nox_d += 1; #endif if ( c3y == u3r_du(hib) ) { u3_noun poz, riv; poz = _n_nock_on(u3k(bus), u3k(hib)); riv = _n_nock_on(bus, u3k(gal)); u3a_lose(fol); return u3i_cell(poz, riv); } else switch ( hib ) { default: return u3m_bail(c3__exit); case 0: { if ( c3n == u3r_ud(gal) ) { return u3m_bail(c3__exit); } else { u3_noun pro = u3k(u3at(gal, bus)); u3a_lose(bus); u3a_lose(fol); return pro; } } c3_assert(!"not reached"); case 1: { u3_noun pro = u3k(gal); u3a_lose(bus); u3a_lose(fol); return pro; } c3_assert(!"not reached"); case 2: { u3_noun nex = _n_nock_on(u3k(bus), u3k(u3t(gal))); u3_noun seb = _n_nock_on(bus, u3k(u3h(gal))); u3a_lose(fol); bus = seb; fol = nex; continue; } c3_assert(!"not reached"); case 3: { u3_noun gof, pro; gof = _n_nock_on(bus, u3k(gal)); pro = u3r_du(gof); u3a_lose(gof); u3a_lose(fol); return pro; } c3_assert(!"not reached"); case 4: { u3_noun gof, pro; gof = _n_nock_on(bus, u3k(gal)); pro = u3i_vint(gof); u3a_lose(fol); return pro; } c3_assert(!"not reached"); case 5: { u3_noun wim = _n_nock_on(bus, u3k(gal)); u3_noun pro = u3r_sing(u3h(wim), u3t(wim)); u3a_lose(wim); u3a_lose(fol); return pro; } c3_assert(!"not reached"); case 6: { u3_noun b_gal, c_gal, d_gal; u3x_trel(gal, &b_gal, &c_gal, &d_gal); { u3_noun tys = _n_nock_on(u3k(bus), u3k(b_gal)); u3_noun nex; if ( 0 == tys ) { nex = u3k(c_gal); } else if ( 1 == tys ) { nex = u3k(d_gal); } else return u3m_bail(c3__exit); u3a_lose(fol); fol = nex; continue; } } c3_assert(!"not reached"); case 7: { u3_noun b_gal, c_gal; u3x_cell(gal, &b_gal, &c_gal); { u3_noun bod = _n_nock_on(bus, u3k(b_gal)); u3_noun nex = u3k(c_gal); u3a_lose(fol); bus = bod; fol = nex; continue; } } c3_assert(!"not reached"); case 8: { u3_noun b_gal, c_gal; u3x_cell(gal, &b_gal, &c_gal); { u3_noun heb = _n_nock_on(u3k(bus), u3k(b_gal)); u3_noun bod = u3nc(heb, bus); u3_noun nex = u3k(c_gal); u3a_lose(fol); bus = bod; fol = nex; continue; } } c3_assert(!"not reached"); case 9: { u3_noun b_gal, c_gal; u3x_cell(gal, &b_gal, &c_gal); { u3_noun seb = _n_nock_on(bus, u3k(c_gal)); u3_noun pro; u3t_off(noc_o); pro = u3j_kick(seb, b_gal); u3t_on(noc_o); if ( u3_none != pro ) { u3a_lose(fol); return pro; } else { if ( c3n == u3r_ud(b_gal) ) { return u3m_bail(c3__exit); } else { u3_noun nex = u3k(u3at(b_gal, seb)); u3a_lose(fol); bus = seb; fol = nex; continue; } } } } c3_assert(!"not reached"); case 10: { u3_noun p_gal, q_gal; u3x_cell(gal, &p_gal, &q_gal); { u3_noun zep, hod, nex; if ( c3y == u3r_du(p_gal) ) { u3_noun b_gal = u3h(p_gal); u3_noun c_gal = u3t(p_gal); u3_noun d_gal = q_gal; zep = u3k(b_gal); hod = _n_nock_on(u3k(bus), u3k(c_gal)); nex = u3k(d_gal); } else { u3_noun b_gal = p_gal; u3_noun c_gal = q_gal; zep = u3k(b_gal); hod = u3_nul; nex = u3k(c_gal); } u3a_lose(fol); return _n_hint(zep, hod, bus, nex); } } case 11: { u3_noun ref = _n_nock_on(u3k(bus), u3k(u3h(gal))); u3_noun gof = _n_nock_on(bus, u3k(u3t(gal))); u3_noun val; u3t_off(noc_o); val = u3m_soft_esc(ref, u3k(gof)); u3t_on(noc_o); if ( !_(u3du(val)) ) { u3m_bail(u3nt(1, gof, 0)); } if ( !_(u3du(u3t(val))) ) { // // replace with proper error stack push // u3t_push(u3nc(c3__hunk, _n_mush(gof))); return u3m_bail(c3__exit); } else { u3_noun pro; u3z(gof); u3z(fol); pro = u3k(u3t(u3t(val))); u3z(val); return pro; } } c3_assert(!"not reached"); } } } #endif /* These must match the order in the section marked OPCODE TABLE, * and several opcodes "overflow" (from byte to short index) to * their successor, so order can matter here. */ // general purpose #define HALT 0 #define BAIL 1 #define COPY 2 #define SWAP 3 #define TOSS 4 #define AUTO 5 #define AULT 6 #define SNOC 7 #define SNOL 8 #define HEAD 9 #define HELD 10 #define TAIL 11 #define TALL 12 // fragment (keep) #define FABK 13 #define FASK 14 #define FIBK 15 #define FISK 16 // fragment (lose) #define FABL 17 #define FASL 18 #define FIBL 19 #define FISL 20 // literal (keep) #define LIT0 21 #define LIT1 22 #define LITB 23 #define LITS 24 #define LIBK 25 #define LISK 26 // literal (lose) #define LIL0 27 #define LIL1 28 #define LILB 29 #define LILS 30 #define LIBL 31 #define LISL 32 // nock #define NOLK 33 #define NOCT 34 #define NOCK 35 // 3 & 4 #define DEEP 36 #define BUMP 37 // equality #define SAM0 38 #define SAM1 39 #define SAMB 40 #define SAMS 41 #define SANB 42 #define SANS 43 #define SAME 44 #define SALM 45 #define SAMC 46 // unconditional skips #define SBIP 47 #define SIPS 48 #define SWIP 49 // conditional skips #define SBIN 50 #define SINS 51 #define SWIN 52 // nock 9 #define KICB 53 #define KICS 54 #define TICB 55 #define TICS 56 // nock 11 #define WILS 57 #define WISH 58 // hint processing #define BUSH 59 #define SUSH 60 #define DROP 61 #define HECK 62 #define SLOG 63 // fast (keep) #define BAST 64 #define SAST 65 // fast (lose) #define BALT 66 #define SALT 67 // memo (keep) #define SKIB 68 #define SKIS 69 // memo (lose) #define SLIB 70 #define SLIS 71 #define SAVE 72 static c3_w _n_fink_mark(u3j_fink* fin_u) { c3_w i_w, tot_w = u3a_mark_noun(fin_u->sat); for ( i_w = 0; i_w < fin_u->len_w; ++i_w ) { u3j_fist* fis_u = &(fin_u->fis_u[i_w]); tot_w += u3a_mark_noun(fis_u->bat); tot_w += u3a_mark_noun(fis_u->pax); } tot_w += u3a_mark_ptr(fin_u); return tot_w; } static void _n_fink_free(u3j_fink* fin_u) { c3_w i_w; u3z(fin_u->sat); for ( i_w = 0; i_w < fin_u->len_w; ++i_w ) { u3j_fist* fis_u = &(fin_u->fis_u[i_w]); u3z(fis_u->bat); u3z(fis_u->pax); } u3a_wfree(fin_u); } static u3j_fink* _n_fink_take(u3j_fink* jun_u) { c3_w i_w, len_w = jun_u->len_w; u3j_fink* fin_u = u3a_walloc(c3_wiseof(u3j_fink) + (len_w * c3_wiseof(u3j_fist))); fin_u->len_w = len_w; fin_u->sat = u3a_take(jun_u->sat); for ( i_w = 0; i_w < len_w; ++i_w ) { u3j_fist* fis_u = &(fin_u->fis_u[i_w]); u3j_fist* sif_u = &(jun_u->fis_u[i_w]); fis_u->bat = u3a_take(sif_u->bat); fis_u->pax = u3a_take(sif_u->pax); } return fin_u; } static void _n_mine(u3j_rite* rit_u, u3_noun clu, u3_noun cor) { c3_t non_t = (u3_none == rit_u->clu); if ( non_t || c3n == u3r_sing(rit_u->clu, clu) || c3n == u3j_fine(cor, rit_u->fin_u) ) { u3_weak loc = u3j_mile(u3k(clu), u3k(cor)); if ( u3_none != loc ) { u3_noun old = rit_u->clu; u3j_fink* fon_u = rit_u->fin_u; c3_o own_o = rit_u->own_o; rit_u->own_o = c3y; rit_u->clu = u3k(clu); rit_u->fin_u = u3j_cast(cor, loc); u3z(loc); if ( !non_t && (c3y == own_o) ) { u3z(old); _n_fink_free(fon_u); } } } u3z(clu); u3z(cor); } /* _n_arg(): return the size (in bytes) of an opcode's argument */ static inline c3_y _n_arg(c3_y cod_y) { switch ( cod_y ) { case FABK: case FABL: case FIBL: case FIBK: case LILB: case LITB: case LIBL: case LIBK: case SAMB: case SANB: case SBIP: case SBIN: case SLIB: case SKIB: case KICB: case TICB: case BUSH: case BAST: case BALT: return sizeof(c3_y); case FASK: case FASL: case FISL: case FISK: case LILS: case LITS: case LISL: case LISK: case SAMS: case SANS: case SIPS: case SINS: case SLIS: case SKIS: case KICS: case TICS: case SUSH: case SAST: case SALT: return sizeof(c3_s); case SWIP: case SWIN: return sizeof(c3_l); default: c3_assert( cod_y <= SAVE ); return 0; } } /* _n_melt(): measure space for list of ops (from _n_comp) */ static u3_noun _n_melt(u3_noun ops, c3_w* byc_w, c3_w* cal_w, c3_w* reg_w, c3_w* lit_w, c3_w* mem_w) { c3_w len_w = u3qb_lent(ops), i_w = len_w - 1, a_w; c3_y cod_y; c3_y* siz_y = u3a_malloc(len_w); u3_noun op, sip = u3_nul; while ( u3_nul != ops ) { op = u3h(ops); if ( c3n == u3du(op) ) { switch ( op ) { default: siz_y[i_w] = 1; break; case BAST: case BALT: a_w = (*reg_w)++; if ( a_w <= 0xFF ) { siz_y[i_w] = 2; } else if ( a_w <= 0xFFFF ) { siz_y[i_w] = 3; } else { fprintf(stderr, "_n_melt(): over 2^16 registration sites.\r\n"); c3_assert(0); } break; } } else { cod_y = u3h(op); switch ( cod_y ) { default: siz_y[i_w] = 1 + _n_arg(cod_y); break; case SBIP: case SBIN: { c3_l tot_l = 0, sip_l = u3t(op); c3_w j_w, k_w = i_w; for ( j_w = 0; j_w < sip_l; ++j_w ) { tot_l += siz_y[++k_w]; } sip = u3nc(tot_l, sip); siz_y[i_w] = tot_l <= 0xFF ? 2 : tot_l <= 0xFFFF ? 3 : 5; break; } case SKIB: case SLIB: { c3_l tot_l = 0, sip_l = u3h(u3t(op)); c3_w j_w, k_w = i_w; for ( j_w = 0; j_w < sip_l; ++j_w ) { tot_l += siz_y[++k_w]; } sip = u3nc(tot_l, sip); a_w = (*mem_w)++; if ( a_w <= 0xFF ) { siz_y[i_w] = 2; } else if ( a_w <= 0xFFFF ) { siz_y[i_w] = 3; } else { fprintf(stderr, "_n_melt(): over 2^16 memos.\r\n"); c3_assert(0); } break; } case SIPS: case SINS: case SWIP: case SWIN: case SAST: case SALT: case KICS: case TICS: case FISK: case FISL: case SUSH: case SANS: case LISL: case LISK: case SKIS: case SLIS: c3_assert(0); //overflows break; case KICB: case TICB: a_w = (*cal_w)++; if ( a_w <= 0xFF ) { siz_y[i_w] = 2; } else if ( a_w <= 0xFFFF ) { siz_y[i_w] = 3; } else { fprintf(stderr, "_n_melt(): over 2^16 call sites.\r\n"); c3_assert(0); } break; case BUSH: case FIBK: case FIBL: case SANB: case LIBL: case LIBK: a_w = (*lit_w)++; if ( a_w <= 0xFF ) { siz_y[i_w] = 2; } else if ( a_w <= 0xFFFF ) { siz_y[i_w] = 3; } else { fprintf(stderr, "_n_melt(): over 2^16 literals.\r\n"); c3_assert(0); } break; } } *(byc_w) += siz_y[i_w--]; ops = u3t(ops); } u3a_free(siz_y); return u3kb_flop(sip); } static void* _n_prog_dat(u3n_prog* pog_u) { return ((void*) pog_u) + sizeof(u3n_prog); } static u3n_prog* _n_prog_new(c3_w byc_w, c3_w cal_w, c3_w reg_w, c3_w lit_w, c3_w mem_w) { c3_w cab_w = (sizeof(u3j_site) * cal_w), reb_w = (sizeof(u3j_rite) * reg_w), lib_w = (sizeof(u3_noun) * lit_w), meb_w = (sizeof(u3n_memo) * mem_w), dat_w = byc_w + cab_w + reb_w + lib_w + meb_w; u3n_prog* pog_u = u3a_malloc(sizeof(u3n_prog) + dat_w); pog_u->byc_u.own_o = c3y; pog_u->byc_u.len_w = byc_w; pog_u->byc_u.ops_y = (c3_y*) _n_prog_dat(pog_u); pog_u->lit_u.len_w = lit_w; pog_u->lit_u.non = (u3_noun*) (pog_u->byc_u.ops_y + pog_u->byc_u.len_w); pog_u->mem_u.len_w = mem_w; pog_u->mem_u.sot_u = (u3n_memo*) (pog_u->lit_u.non + pog_u->lit_u.len_w); pog_u->cal_u.len_w = cal_w; pog_u->cal_u.sit_u = (u3j_site*) (pog_u->mem_u.sot_u + pog_u->mem_u.len_w); pog_u->reg_u.len_w = reg_w; pog_u->reg_u.rit_u = (u3j_rite*) (pog_u->cal_u.sit_u + pog_u->cal_u.len_w); return pog_u; } static u3n_prog* _n_prog_old(u3n_prog* sep_u) { c3_w cab_w = sizeof(u3j_site) * sep_u->cal_u.len_w, reb_w = sizeof(u3j_rite) * sep_u->reg_u.len_w, lib_w = sizeof(u3_noun) * sep_u->lit_u.len_w, meb_w = sizeof(u3n_memo) * sep_u->mem_u.len_w, dat_w = cab_w + reb_w + lib_w + meb_w; u3n_prog* pog_u = u3a_malloc(sizeof(u3n_prog) + dat_w); pog_u->byc_u.own_o = c3n; pog_u->byc_u.len_w = sep_u->byc_u.len_w; pog_u->byc_u.ops_y = sep_u->byc_u.ops_y; pog_u->lit_u.len_w = sep_u->lit_u.len_w; pog_u->lit_u.non = (u3_noun*) _n_prog_dat(pog_u); pog_u->mem_u.len_w = sep_u->mem_u.len_w; pog_u->mem_u.sot_u = (u3n_memo*) (pog_u->lit_u.non + pog_u->lit_u.len_w); pog_u->cal_u.len_w = sep_u->cal_u.len_w; pog_u->cal_u.sit_u = (u3j_site*) (pog_u->mem_u.sot_u + pog_u->mem_u.len_w); pog_u->reg_u.len_w = sep_u->reg_u.len_w; pog_u->reg_u.rit_u = (u3j_rite*) (pog_u->cal_u.sit_u + pog_u->cal_u.len_w); memcpy(pog_u->lit_u.non, sep_u->lit_u.non, dat_w); return pog_u; } static void _n_prog_asm_inx(c3_y* buf_y, c3_w* i_w, c3_s inx_s, c3_y cod) { if ( inx_s <= 0xFF ) { buf_y[(*i_w)--] = (c3_y) (inx_s); buf_y[*i_w] = (c3_y) cod; } else { buf_y[(*i_w)--] = (c3_y) (inx_s >> 8); buf_y[(*i_w)--] = (c3_y) (inx_s); // the short-index versions of these opcodes must immediately // follow the byte-index versions because of this convention buf_y[(*i_w)] = cod + 1; } } static void _n_prog_asm(u3_noun ops, u3n_prog* pog_u, u3_noun sip) { u3_noun top = ops; c3_y* buf_y = pog_u->byc_u.ops_y; c3_s lit_s = 0, cal_s = 0, mem_s = 0, reg_s = 0; c3_w i_w = pog_u->byc_u.len_w-1; buf_y[i_w] = HALT; while ( i_w-- > 0 ) { u3_noun op = u3h(ops); if ( c3y == u3ud(op) ) { switch ( op ) { default: buf_y[i_w] = (c3_y) u3h(ops); break; /* registration site index args */ case BAST: case BALT: { _n_prog_asm_inx(buf_y, &i_w, reg_s, op); u3j_rite* rit_u = &(pog_u->reg_u.rit_u[reg_s++]); rit_u->own_o = c3n; rit_u->clu = u3_none; rit_u->fin_u = NULL; break; } } } else { u3_noun cod = u3h(op); switch ( cod ) { default: c3_assert(0); return; /* memo index args */ case SKIB: case SLIB: { u3n_memo* mem_u; c3_l sip_l = u3h(sip); u3_noun tmp = sip; sip = u3k(u3t(sip)); u3z(tmp); _n_prog_asm_inx(buf_y, &i_w, mem_s, cod); mem_u = &(pog_u->mem_u.sot_u[mem_s++]); mem_u->sip_l = sip_l; mem_u->key = u3k(u3t(u3t(op))); break; } /* skips */ case SBIP: case SBIN: { c3_l sip_l = u3h(sip); u3_noun tmp = sip; sip = u3k(u3t(sip)); u3z(tmp); if ( sip_l <= 0xFF ) { buf_y[i_w--] = (c3_y) sip_l; buf_y[i_w] = (c3_y) cod; } else if ( sip_l <= 0xFFFF ) { buf_y[i_w--] = (c3_y) (sip_l >> 8); buf_y[i_w--] = (c3_y) sip_l; buf_y[i_w] = (c3_y) cod + 1; } else { buf_y[i_w--] = (c3_y) (sip_l >> 24); buf_y[i_w--] = (c3_y) (sip_l >> 16); buf_y[i_w--] = (c3_y) (sip_l >> 8); buf_y[i_w--] = (c3_y) sip_l; buf_y[i_w] = (c3_y) cod + 2; } break; } /* 8-bit direct args */ case FABK: case FABL: case LITB: case LILB: case SAMB: buf_y[i_w--] = (c3_y) u3t(op); buf_y[i_w] = (c3_y) cod; break; /* 16-bit direct args */ case FASK: case FASL: case LILS: case LITS: case SAMS: case SIPS: case SINS: { c3_s off_s = u3t(op); buf_y[i_w--] = (c3_y) (off_s >> 8); buf_y[i_w--] = (c3_y) off_s; buf_y[i_w] = (c3_y) cod; break; } /* 31-bit direct args */ case SWIP: case SWIN: { c3_w off_l = u3t(op); buf_y[i_w--] = (c3_y) (off_l >> 24); buf_y[i_w--] = (c3_y) (off_l >> 16); buf_y[i_w--] = (c3_y) (off_l >> 8); buf_y[i_w--] = (c3_y) off_l; buf_y[i_w] = (c3_y) cod; break; } /* literal index args */ case FIBK: case FIBL: case LIBK: case LIBL: case BUSH: case SANB: _n_prog_asm_inx(buf_y, &i_w, lit_s, cod); pog_u->lit_u.non[lit_s++] = u3k(u3t(op)); break; /* call site index args */ case TICB: case KICB: { _n_prog_asm_inx(buf_y, &i_w, cal_s, cod); u3j_site* sit_u = &(pog_u->cal_u.sit_u[cal_s++]); sit_u->axe = u3k(u3t(op)); sit_u->pog_u = NULL; sit_u->bat = u3_none; sit_u->loc = u3_none; sit_u->lab = u3_none; sit_u->jet_o = c3n; sit_u->fon_o = c3n; sit_u->cop_u = NULL; sit_u->ham_u = NULL; sit_u->fin_u = NULL; break; } } } ops = u3t(ops); } u3z(top); // this assert will fail if we overflow a c3_w worth of instructions c3_assert(u3_nul == ops); // this is just a sanity check c3_assert(u3_nul == sip); } static u3n_prog* _n_prog_from_ops(u3_noun ops) { u3_noun sip; u3n_prog* pog_u; c3_w byc_w = 1, // HALT cal_w = 0, reg_w = 0, lit_w = 0, mem_w = 0; sip = _n_melt(ops, &byc_w, &cal_w, ®_w, &lit_w, &mem_w); pog_u = _n_prog_new(byc_w, cal_w, reg_w, lit_w, mem_w); _n_prog_asm(ops, pog_u, sip); return pog_u; } #if 0 /* _n_print_stack(): print out the cap stack up to a designated "empty" * used only for debugging */ static void _n_print_stack(u3p(u3_noun) empty) { c3_w cur_p = u3R->cap_p; fprintf(stderr, "["); int first = 1; while ( cur_p != empty ) { if ( first ) { first = 0; } else { fprintf(stderr, " "); } if ( c3y == u3a_is_north(u3R) ) { fprintf(stderr, "%u", *(u3to(u3_noun, cur_p))); cur_p++; } else { fprintf(stderr, "%u", *(u3to(u3_noun, cur_p-1))); cur_p--; } } fprintf(stderr, "]\r\n"); } #endif #ifdef VERBOSE_BYTECODE // match to OPCODE TABLE static char* opcode_names[] = { "halt", "bail", "copy", "swap", "toss", "auto", "ault", "snoc", "snol", "head", "held", "tail", "tall", "fabk", "fask", "fibk", "fisk", "fabl", "fasl", "fibl", "fisl", "lit0", "lit1", "litb", "lits", "libk", "lisk", "lil0", "lil1", "lilb", "lils", "libl", "lisl", "nolk", "noct", "nock", "deep", "bump", "sam0", "sam1", "samb", "sams", "sanb", "sans", "same", "salm", "samc", "sbip", "sips", "swip", "sbin", "sins", "swin", "kicb", "kics", "ticb", "tics", "wils", "wish", "bush", "sush", "drop", "heck", "slog", "bast", "sast", "balt", "salt", "skib", "skis", "slib", "slis", "save", }; #endif /* _n_apen(): emit the instructions contained in src to dst */ static inline void _n_apen(u3_noun* dst, u3_noun src) { *dst = u3kb_weld(src, *dst); } /* _n_emit(): emit a single instruction to ops */ static inline void _n_emit(u3_noun *ops, u3_noun op) { *ops = u3nc(op, *ops); } static c3_w _n_comp(u3_noun*, u3_noun, c3_o, c3_o); /* _n_bint(): hint-processing helper for _n_comp. * hif: hint-formula (first part of 10). RETAIN. * nef: next-formula (second part of 10). RETAIN. */ static c3_w _n_bint(u3_noun* ops, u3_noun hif, u3_noun nef, c3_o los_o, c3_o tel_o) { if ( c3n == u3du(hif) ) { // no currently recognized static hints return _n_comp(ops, nef, los_o, tel_o); } else { c3_w tot_w = 0; u3_noun zep, hod; u3x_cell(hif, &zep, &hod); switch ( zep ) { default: tot_w += _n_comp(ops, hod, c3n, c3n); ++tot_w; _n_emit(ops, TOSS); tot_w += _n_comp(ops, nef, los_o, tel_o); break; case c3__hunk: case c3__lose: case c3__mean: case c3__spot: tot_w += _n_comp(ops, hod, c3n, c3n); ++tot_w; _n_emit(ops, u3nc(BUSH, zep)); // overflows to SUSH tot_w += _n_comp(ops, nef, los_o, c3n); ++tot_w; _n_emit(ops, DROP); break; case c3__live: tot_w += _n_comp(ops, hod, c3n, c3n); ++tot_w; _n_emit(ops, HECK); tot_w += _n_comp(ops, nef, los_o, tel_o); break; case c3__slog: tot_w += _n_comp(ops, hod, c3n, c3n); ++tot_w; _n_emit(ops, SLOG); tot_w += _n_comp(ops, nef, los_o, tel_o); break; // germ and sole are unused... case c3__fast: tot_w += _n_comp(ops, hod, c3n, c3n); ++tot_w; _n_emit(ops, SWAP); tot_w += _n_comp(ops, nef, c3n, c3n); // overflows to SALT / SAST ++tot_w; _n_emit(ops, (c3y == los_o) ? BALT : BAST); break; case c3__memo: { u3_noun mem = u3_nul; c3_w mem_w = 0; c3_y op_y; // we just throw away the hint (why is this not a static hint?) tot_w += _n_comp(ops, hod, c3n, c3n); ++tot_w; _n_emit(ops, TOSS); // memoizing code always loses TOS because SAVE needs [pro key] mem_w += _n_comp(&mem, nef, c3y, c3n); ++mem_w; _n_emit(&mem, SAVE); op_y = (c3y == los_o) ? SLIB : SKIB; // overflows to SLIS / SKIS ++tot_w; _n_emit(ops, u3nt(op_y, mem_w, u3k(nef))); tot_w += mem_w; _n_apen(ops, mem); break; } } return tot_w; } } /* _n_comp(): compile nock formula to reversed opcode list * ops is a pointer to a list (to be emitted to) * fol is the nock formula to compile. RETAIN. * los_o indicates whether we should remove our * subject from the stack * tel_o is yes if this formula is in tail position * return: number of instructions added to the opcode list */ static c3_w _n_comp(u3_noun* ops, u3_noun fol, c3_o los_o, c3_o tel_o) { c3_y op_y; c3_w tot_w = 0; u3_noun cod, arg, hed, tel; u3x_cell(fol, &cod, &arg); if ( c3y == u3du(cod) ) { tot_w += _n_comp(ops, cod, c3n, c3n); ++tot_w; _n_emit(ops, SWAP); tot_w += _n_comp(ops, arg, c3n, c3n); ++tot_w; _n_emit(ops, (c3y == los_o ) ? AULT : AUTO); } else switch ( cod ) { case 0: if ( c3n == u3ud(arg) ) { u3m_bail(c3__exit); return 0; } switch ( arg ) { case 0: ++tot_w; _n_emit(ops, BAIL); break; case 1: if ( c3n == los_o ) { ++tot_w; _n_emit(ops, COPY); } break; case 2: ++tot_w; _n_emit(ops, (c3y == los_o) ? HELD : HEAD); break; case 3: ++tot_w; _n_emit(ops, (c3y == los_o) ? TALL : TAIL); break; default: op_y = (c3y == los_o) ? (arg <= 0xFF ? FABL : arg <= 0xFFFF ? FASL : FIBL) // overflows to FISL : (arg <= 0xFF ? FABK : arg <= 0xFFFF ? FASK : FIBK); // overflows to FISK ++tot_w; _n_emit(ops, u3nc(op_y, arg)); break; } break; case 1: switch ( arg ) { case 0: ++tot_w; _n_emit(ops, (c3y == los_o) ? LIL0 : LIT0); break; case 1: ++tot_w; _n_emit(ops, (c3y == los_o) ? LIL1 : LIT1); break; default: op_y = (c3y == los_o) ? (arg <= 0xFF ? LILB : arg <= 0xFFFF ? LILS : LIBL) // overflows to LISL : (arg <= 0xFF ? LITB : arg <= 0xFFFF ? LITS : LIBK); // overflows to LISK ++tot_w; _n_emit(ops, u3nc(op_y, u3k(arg))); break; } break; case 2: u3x_cell(arg, &hed, &tel); tot_w += _n_comp(ops, hed, c3n, c3n); ++tot_w; _n_emit(ops, SWAP); tot_w += _n_comp(ops, tel, c3n, c3n); /* things in tail position replace (so, lose) top of stack, * so NOCT "loses" and there is no non-losing version */ op_y = (c3y == tel_o) ? NOCT : ((c3y == los_o) ? NOLK : NOCK); ++tot_w; _n_emit(ops, op_y); break; case 3: tot_w += _n_comp(ops, arg, los_o, c3n); ++tot_w; _n_emit(ops, DEEP); break; case 4: tot_w += _n_comp(ops, arg, los_o, c3n); ++tot_w; _n_emit(ops, BUMP); break; case 5: { u3x_cell(arg, &hed, &tel); if ( c3n == u3du(hed) ) { tot_w += _n_comp(ops, arg, los_o, c3n); ++tot_w; _n_emit(ops, SAMC); } else { c3_t hec_t, tec_t; hec_t = (1 == u3h(hed)); if ( c3n == u3du(tel) ) { u3m_bail(c3__exit); break; } else { tec_t = (1 == u3h(tel)); } if ( hec_t && tec_t ) { if ( c3y == u3r_sing(u3t(hed), u3t(tel)) ) { ++tot_w; _n_emit(ops, (c3y == los_o) ? LIL0 : LIT0); } else { ++tot_w; _n_emit(ops, (c3y == los_o) ? LIL1 : LIT1); } } else if ( !hec_t && !tec_t ) { tot_w += _n_comp(ops, hed, c3n, c3n); ++tot_w; _n_emit(ops, SWAP); tot_w += _n_comp(ops, tel, c3n, c3n); ++tot_w; _n_emit(ops, (c3y == los_o) ? SALM : SAME); } else { tot_w += _n_comp(ops, (hec_t ? tel : hed), los_o, c3n); u3_noun lit = u3t(hec_t ? hed : tel); switch ( lit ) { case 0: ++tot_w; _n_emit(ops, SAM0); break; case 1: ++tot_w; _n_emit(ops, SAM1); break; default: // overflows to SANS op_y = lit <= 0xFF ? SAMB : lit <= 0xFFFF ? SAMS : SANB; ++tot_w; _n_emit(ops, u3nc(op_y, u3k(lit))); } } } break; } case 6: { u3_noun mid, yep = u3_nul, nop = u3_nul; c3_w yep_w, nop_w; u3x_trel(arg, &hed, &mid, &tel); tot_w += _n_comp(ops, hed, c3n, c3n); yep_w = _n_comp(&yep, mid, los_o, tel_o); nop_w = _n_comp(&nop, tel, los_o, tel_o); // SBIP and SBIN get sized during assembly ++yep_w; _n_emit(&yep, u3nc(SBIP, nop_w)); ++tot_w; _n_emit(ops, u3nc(SBIN, yep_w)); tot_w += yep_w; _n_apen(ops, yep); tot_w += nop_w; _n_apen(ops, nop); break; } case 7: u3x_cell(arg, &hed, &tel); tot_w += _n_comp(ops, hed, los_o, c3n); tot_w += _n_comp(ops, tel, c3y, tel_o); break; case 8: u3x_cell(arg, &hed, &tel); tot_w += _n_comp(ops, hed, c3n, c3n); ++tot_w; _n_emit(ops, (c3y == los_o) ? SNOL : SNOC); tot_w += _n_comp(ops, tel, c3y, tel_o); break; case 9: u3x_cell(arg, &hed, &tel); if ( 3 == u3qc_cap(hed) ) { u3_noun mac = u3nq(7, u3k(tel), 2, u3nt(u3nc(0, 1), 0, u3k(hed))); tot_w += _n_comp(ops, mac, los_o, tel_o); u3z(mac); } else { tot_w += _n_comp(ops, tel, (c3y == tel_o ? c3y : los_o), c3n); op_y = (c3y == tel_o) ? TICB : KICB; // overflows to TICS/KICS ++tot_w; _n_emit(ops, u3nc(op_y, u3k(hed))); } break; case 10: u3x_cell(arg, &hed, &tel); tot_w += _n_bint(ops, hed, tel, los_o, tel_o); break; case 11: u3x_cell(arg, &hed, &tel); tot_w += _n_comp(ops, hed, c3n, c3n); ++tot_w; _n_emit(ops, SWAP); tot_w += _n_comp(ops, tel, c3n, c3n); ++tot_w; _n_emit(ops, (c3y == los_o) ? WILS : WISH); break; default: u3m_bail(c3__exit); return 0; } return tot_w; } /* _n_push(): push a noun onto the stack. RETAIN * mov: -1 north, 1 south * off: 0 north, -1 south */ static inline void _n_push(c3_ys mov, c3_ys off, u3_noun a) { u3R->cap_p += mov; u3_noun* p = u3to(u3_noun, u3R->cap_p + off); *p = a; } /* _n_peek(): pointer to noun at top of stack * off: 0 north, -1 south */ static inline u3_noun* _n_peek(c3_ys off) { return u3to(u3_noun, u3R->cap_p + off); } /* _n_peet(): address of the next-to-top of stack * mov: -1 north, 1 south * off: 0 north, -1 south */ static inline u3_noun* _n_peet(c3_ys mov, c3_ys off) { return u3to(u3_noun, (u3R->cap_p - mov) + off); } /* _n_pop(): pop a noun from the cap stack * mov: -1 north, 1 south */ static inline void _n_pop(c3_ys mov) { u3R->cap_p -= mov; } /* _n_pep(): pop and return noun from the cap stack * mov: -1 north, 1 south * off: 0 north, -1 south */ static inline u3_noun _n_pep(c3_ys mov, c3_ys off) { u3_noun r = *(_n_peek(off)); _n_pop(mov); return r; } /* _n_toss(): pep and lose */ static inline void _n_toss(c3_ys mov, c3_ys off) { u3z(_n_pep(mov, off)); } /* _n_resh(): read a c3_s from the bytecode stream */ static inline c3_s _n_resh(c3_y* buf, c3_w* ip_w) { c3_y les = buf[(*ip_w)++]; c3_y mos = buf[(*ip_w)++]; return les | (mos << 8); } /* _n_rewo(): read a c3_w from the bytecode stream. */ static inline c3_w _n_rewo(c3_y* buf, c3_w* ip_w) { c3_y one = buf[(*ip_w)++], two = buf[(*ip_w)++], tre = buf[(*ip_w)++], qua = buf[(*ip_w)++]; return one | (two << 8) | (tre << 16) | (qua << 24); } #ifdef VERBOSE_BYTECODE /* _n_print_byc(): print bytecode. used for debugging. */ static void _n_print_byc(c3_y* pog, c3_w her_w) { c3_w ip_w = 0; if ( her_w == 0 ) { fprintf(stderr, "begin: {"); } else { fprintf(stderr, "resume: {"); } int first = 1; while ( pog[ip_w] ) { if ( first ) { first = 0; } else if (ip_w == her_w) { fprintf(stderr, " [*]"); } else { fprintf(stderr, " "); } switch ( _n_arg(pog[ip_w]) ) { case 0: fprintf(stderr, "%s", opcode_names[pog[ip_w++]]); break; case 1: fprintf(stderr, "[%s ", opcode_names[pog[ip_w++]]); fprintf(stderr, "%u]", pog[ip_w++]); break; case 2: fprintf(stderr, "[%s ", opcode_names[pog[ip_w++]]); fprintf(stderr, "%u]", _n_resh(pog, &ip_w)); break; case 4: fprintf(stderr, "[%s", opcode_names[pog[ip_w++]]); fprintf(stderr, "%u]", _n_rewo(pog, &ip_w)); break; default: c3_assert(0); break; } } fprintf(stderr, " halt}\r\n"); } #endif /* _n_bite(): compile a nock formula to bytecode */ static inline u3n_prog* _n_bite(u3_noun fol) { u3_noun ops = u3_nul; _n_comp(&ops, fol, c3y, c3y); return _n_prog_from_ops(ops); } /* _n_find(): return prog for given formula. fol is RETAINED. */ static inline u3n_prog* _n_find(u3_noun fol) { u3_weak pog = u3h_git(u3R->byc.har_p, fol); if ( u3_none != pog ) { return u3to(u3n_prog, pog); } else if ( u3R != &u3H->rod_u ) { u3a_road* rod_u = u3R; while ( rod_u->par_p ) { rod_u = u3to(u3a_road, rod_u->par_p); pog = u3h_git(rod_u->byc.har_p, fol); if ( u3_none != pog ) { c3_w i_w; u3n_prog* old = _n_prog_old(u3to(u3n_prog, pog)); for ( i_w = 0; i_w < old->reg_u.len_w; ++i_w ) { u3j_rite* rit_u = &(old->reg_u.rit_u[i_w]); rit_u->own_o = c3n; } for ( i_w = 0; i_w < old->cal_u.len_w; ++i_w ) { u3j_site* sit_u = &(old->cal_u.sit_u[i_w]); sit_u->bat = u3_none; sit_u->pog_u = NULL; sit_u->fon_o = c3n; } u3h_put(u3R->byc.har_p, fol, u3a_outa(old)); return old; } } } { u3n_prog* gop = _n_bite(fol); u3h_put(u3R->byc.har_p, fol, u3a_outa(gop)); return gop; } } static u3_weak _n_spot(u3_noun cor) { u3_weak loc; u3t_off(noc_o); loc = u3j_spot(cor); u3t_on(noc_o); return loc; } static u3_weak _n_lock(u3_noun cor, u3j_site* sit_u) { if ( (u3_none != sit_u->bat) && (c3y == u3r_sing(sit_u->bat, u3h(cor))) ) { return u3_none; } sit_u->pog_u = _n_find(u3r_at(sit_u->axe, cor)); if ( u3_none != sit_u->bat ) { u3z(sit_u->bat); } sit_u->bat = u3k(u3h(cor)); return u3_none; } static u3_noun _n_burn_out(u3_noun bus, u3n_prog* pog_u); static u3_weak _n_hock(u3_noun cor, u3j_site* sit_u) { u3_weak pro = u3_none; c3_o jet_o = sit_u->jet_o; if ( c3n == __(u3C.wag_w & u3o_debug_cpu) ) { if ( c3n == jet_o ) { pro = u3_none; } else { u3t_off(noc_o); pro = u3j_hock(cor, sit_u->cop_u, sit_u->ham_u, sit_u->axe); u3t_on(noc_o); } if ( u3_none == pro ) { pro = _n_lock(cor, sit_u); } } else { u3t_come(sit_u->lab); if ( c3y == jet_o ) { u3t_off(noc_o); pro = u3j_hock(cor, sit_u->cop_u, sit_u->ham_u, sit_u->axe); u3t_on(noc_o); } if ( u3_none == pro ) { pro = _n_lock(cor, sit_u); if ( u3_none == pro ) { pro = _n_burn_out(cor, sit_u->pog_u); } } u3t_flee(); } return pro; } static u3_weak _n_kick(u3_noun cor, u3j_site* sit_u) { u3_weak loc = u3_none, pro = u3_none; if ( u3_none != sit_u->loc ) { if ( c3y == u3j_fine(cor, sit_u->fin_u) ) { loc = sit_u->loc; if ( c3y == sit_u->jet_o ) { pro = _n_hock(cor, sit_u); } } } if ( u3_none == loc ) { loc = _n_spot(cor); if ( u3_none != loc ) { u3j_fink* fon_u = NULL; u3_weak lod = u3_none; u3_weak lob = u3_none; if ( u3_none != sit_u->loc ) { lod = sit_u->loc; lob = sit_u->lab; if ( c3y == sit_u->fon_o ) { fon_u = sit_u->fin_u; } } sit_u->loc = loc; sit_u->fin_u = u3j_cast(cor, loc); sit_u->fon_o = c3y; if ( c3y == (sit_u->jet_o = u3j_nail(loc, sit_u->axe, &(sit_u->lab), &(sit_u->cop_u), &(sit_u->ham_u))) ) { pro = _n_hock(cor, sit_u); } else { pro = u3_none; } if ( u3_none != lod ) { u3z(lod); u3z(lob); if ( NULL != fon_u ) { _n_fink_free(fon_u); } } } } if ( u3_none == pro ) { pro = _n_lock(cor, sit_u); } return pro; } /* _n_swap(): swap two items on the top of the stack, return pointer to top */ static inline u3_noun* _n_swap(c3_ys mov, c3_ys off) { u3_noun* top = _n_peek(off); u3_noun* up = _n_peet(mov, off); u3_noun tmp = *up; *up = *top; *top = tmp; return top; } /* _n_kale(): bail(exit) if not cell */ static inline u3_noun _n_kale(u3_noun a) { if ( c3n == u3du(a) ) { u3m_bail(c3__exit); } return a; } typedef struct { u3n_prog* pog_u; c3_w ip_w; } burnframe; /* _n_burn(): pog: program * bus: subject (TRANSFER) * mov: -1 north, 1 south * off: 0 north, -1 south */ static u3_noun _n_burn(u3n_prog* pog_u, u3_noun bus, c3_ys mov, c3_ys off) { /* OPCODE TABLE */ static void* lab[] = { &&do_halt, &&do_bail, &&do_copy, &&do_swap, &&do_toss, &&do_auto, &&do_ault, &&do_snoc, &&do_snol, &&do_head, &&do_held, &&do_tail, &&do_tall, &&do_fabk, &&do_fask, &&do_fibk, &&do_fisk, &&do_fabl, &&do_fasl, &&do_fibl, &&do_fisl, &&do_lit0, &&do_lit1, &&do_litb, &&do_lits, &&do_libk, &&do_lisk, &&do_lil0, &&do_lil1, &&do_lilb, &&do_lils, &&do_libl, &&do_lisl, &&do_nolk, &&do_noct, &&do_nock, &&do_deep, &&do_bump, &&do_sam0, &&do_sam1, &&do_samb, &&do_sams, &&do_sanb, &&do_sans, &&do_same, &&do_salm, &&do_samc, &&do_sbip, &&do_sips, &&do_swip, &&do_sbin, &&do_sins, &&do_swin, &&do_kicb, &&do_kics, &&do_ticb, &&do_tics, &&do_wils, &&do_wish, &&do_bush, &&do_sush, &&do_drop, &&do_heck, &&do_slog, &&do_bast, &&do_sast, &&do_balt, &&do_salt, &&do_skib, &&do_skis, &&do_slib, &&do_slis, &&do_save, }; u3j_site* sit_u; u3j_rite* rit_u; u3n_memo* mem_u; c3_y *pog = pog_u->byc_u.ops_y; c3_w sip_w, ip_w = 0; u3_noun* top; u3_noun x, o; u3p(void) empty; burnframe* fam; empty = u3R->cap_p; _n_push(mov, off, bus); #ifdef U3_CPU_DEBUG u3R->pro.nox_d += 1; #endif #ifdef VERBOSE_BYTECODE #define BURN() fprintf(stderr, "%s ", opcode_names[pog[ip_w]]); goto *lab[pog[ip_w++]] #else #define BURN() goto *lab[pog[ip_w++]] #endif BURN(); { do_halt: // [product ...burnframes...] x = _n_pep(mov, off); #ifdef VERBOSE_BYTECODE fprintf(stderr, "return\r\n"); #endif if ( empty == u3R->cap_p ) { return x; } else { fam = u3to(burnframe, u3R->cap_p) + off; pog_u = fam->pog_u; pog = pog_u->byc_u.ops_y; ip_w = fam->ip_w; u3R->cap_p = u3of(burnframe, fam - (mov+off)); _n_push(mov, off, x); #ifdef VERBOSE_BYTECODE _n_print_byc(pog, ip_w); #endif BURN(); } do_bail: u3m_bail(c3__exit); return u3_none; do_copy: top = _n_peek(off); _n_push(mov, off, u3k(*top)); BURN(); do_swap: _n_swap(mov, off); BURN(); do_toss: _n_toss(mov, off); BURN(); do_auto: // [tel bus hed] x = _n_pep(mov, off); // [bus hed] top = _n_swap(mov, off); // [hed bus] *top = u3nc(*top, x); // [pro bus] BURN(); do_ault: // [tel bus hed] x = _n_pep(mov, off); // [bus hed] _n_toss(mov, off); // [hed] top = _n_peek(off); *top = u3nc(*top, x); // [pro] BURN(); do_snoc: // [hed tel] x = _n_pep(mov, off); top = _n_peek(off); _n_push(mov, off, u3nc(x, u3k(*top))); BURN(); do_snol: x = _n_pep(mov, off); top = _n_peek(off); *top = u3nc(x, *top); BURN(); do_head: top = _n_peek(off); _n_push(mov, off, u3k(u3h(_n_kale(*top)))); BURN(); do_held: top = _n_peek(off); o = _n_kale(*top); *top = u3k(u3h(o)); u3z(o); BURN(); do_tail: top = _n_peek(off); _n_push(mov, off, u3k(u3t(_n_kale(*top)))); BURN(); do_tall: top = _n_peek(off); o = _n_kale(*top); *top = u3k(u3t(o)); u3z(o); BURN(); do_fisk: x = pog_u->lit_u.non[_n_resh(pog, &ip_w)]; goto frag_in; do_fibk: x = pog_u->lit_u.non[pog[ip_w++]]; goto frag_in; do_fask: x = _n_resh(pog, &ip_w); goto frag_in; do_fabk: x = pog[ip_w++]; frag_in: top = _n_peek(off); _n_push(mov, off, u3k(u3x_at(x, *top))); BURN(); do_fisl: x = pog_u->lit_u.non[_n_resh(pog, &ip_w)]; goto flag_in; do_fibl: x = pog_u->lit_u.non[pog[ip_w++]]; goto flag_in; do_fasl: x = _n_resh(pog, &ip_w); goto flag_in; do_fabl: x = pog[ip_w++]; flag_in: top = _n_peek(off); o = *top; *top = u3k(u3x_at(x, o)); u3z(o); BURN(); do_lit0: _n_push(mov, off, 0); BURN(); do_lit1: _n_push(mov, off, 1); BURN(); do_litb: _n_push(mov, off, pog[ip_w++]); BURN(); do_lits: _n_push(mov, off, _n_resh(pog, &ip_w)); BURN(); do_libk: _n_push(mov, off, u3k(pog_u->lit_u.non[pog[ip_w++]])); BURN(); do_lisk: _n_push(mov, off, u3k(pog_u->lit_u.non[_n_resh(pog, &ip_w)])); BURN(); do_lil1: x = 1; goto lil_in; do_lilb: x = pog[ip_w++]; goto lil_in; do_lils: x = _n_resh(pog, &ip_w); goto lil_in; do_libl: x = u3k(pog_u->lit_u.non[pog[ip_w++]]); goto lil_in; do_lisl: x = u3k(pog_u->lit_u.non[_n_resh(pog, &ip_w)]); goto lil_in; do_lil0: x = 0; lil_in: top = _n_peek(off); u3z(*top); *top = x; BURN(); do_noct: // [fol old bus] o = _n_pep(mov, off); // [old bus] _n_toss(mov, off); // [bus] goto nock_out; do_nolk: // [fol old bus] o = _n_pep(mov, off); // [old bus] _n_toss(mov, off); // [bus] goto nock_in; do_nock: // [fol old bus] o = _n_pep(mov, off); // [old bus] _n_swap(mov, off); // [bus old] nock_in: x = _n_pep(mov, off); fam = u3to(burnframe, u3R->cap_p) + off + mov; u3R->cap_p = u3of(burnframe, fam - off); fam->ip_w = ip_w; fam->pog_u = pog_u; _n_push(mov, off, x); nock_out: pog_u = _n_find(o); pog = pog_u->byc_u.ops_y; ip_w = 0; #ifdef U3_CPU_DEBUG u3R->pro.nox_d += 1; #endif #ifdef VERBOSE_BYTECODE fprintf(stderr, "\r\nnock jump: %u\r\n", o); _n_print_byc(pog, ip_w); #endif u3z(o); BURN(); do_deep: top = _n_peek(off); o = *top; *top = u3du(o); u3z(o); BURN(); do_bump: top = _n_peek(off); *top = u3i_vint(*top); BURN(); do_sam0: top = _n_peek(off); if ( *top == 0 ) { *top = c3y; } else { u3z(*top); *top = c3n; } BURN(); do_sam1: top = _n_peek(off); if ( *top == 1 ) { *top = c3y; } else { u3z(*top); *top = c3n; } BURN(); do_samb: top = _n_peek(off); if ( *top == pog[ip_w++] ) { *top = c3y; } else { u3z(*top); *top = c3n; } BURN(); do_sams: top = _n_peek(off); if ( *top == _n_resh(pog, &ip_w) ) { *top = c3y; } else { u3z(*top); *top = c3n; } BURN(); do_sans: x = pog_u->lit_u.non[_n_resh(pog, &ip_w)]; goto samn_in; do_sanb: x = pog_u->lit_u.non[pog[ip_w++]]; samn_in: top = _n_peek(off); o = *top; *top = u3r_sing(o, x); u3z(o); BURN(); do_same: x = _n_pep(mov, off); _n_swap(mov, off); goto same_in; do_salm: x = _n_pep(mov, off); _n_toss(mov, off); goto same_in; same_in: top = _n_peek(off); o = *top; *top = u3r_sing(x, o); u3z(o); u3z(x); BURN(); do_samc: top = _n_peek(off); o = *top; *top = u3r_sing(u3h(o), u3t(o)); u3z(o); BURN(); do_sbip: sip_w = pog[ip_w++]; ip_w += sip_w; BURN(); do_sips: sip_w = _n_resh(pog, &ip_w); ip_w += sip_w; BURN(); do_swip: sip_w = _n_rewo(pog, &ip_w); ip_w += sip_w; BURN(); do_swin: sip_w = _n_rewo(pog, &ip_w); goto skin_in; do_sins: sip_w = _n_resh(pog, &ip_w); goto skin_in; do_sbin: sip_w = pog[ip_w++]; skin_in: x = _n_pep(mov, off); if ( c3n == x ) { ip_w += sip_w; } else if ( c3y != x ) { u3m_bail(c3__exit); return u3_none; } BURN(); do_kics: x = _n_resh(pog, &ip_w); goto kick_in; do_kicb: x = pog[ip_w++]; kick_in: sit_u = &(pog_u->cal_u.sit_u[x]); top = _n_peek(off); o = *top; *top = _n_kick(o, sit_u); if ( u3_none == *top ) { _n_toss(mov, off); fam = u3to(burnframe, u3R->cap_p) + off + mov; u3R->cap_p = u3of(burnframe, fam - off); fam->ip_w = ip_w; fam->pog_u = pog_u; pog_u = sit_u->pog_u; pog = pog_u->byc_u.ops_y; ip_w = 0; #ifdef U3_CPU_DEBUG u3R->pro.nox_d += 1; #endif #ifdef VERBOSE_BYTECODE fprintf(stderr, "\r\nhead kick jump: %u, sp: %p\r\n", u3r_at(sit_u->axe, cor), top); _n_print_byc(pog, ip_w); #endif _n_push(mov, off, o); } #ifdef VERBOSE_BYTECODE else { fprintf(stderr, "head jet\r\n"); } #endif BURN(); do_tics: x = _n_resh(pog, &ip_w); goto tick_in; do_ticb: x = pog[ip_w++]; tick_in: sit_u = &(pog_u->cal_u.sit_u[x]); top = _n_peek(off); o = *top; *top = _n_kick(o, sit_u); if ( u3_none == *top ) { *top = o; pog_u = sit_u->pog_u; pog = pog_u->byc_u.ops_y; ip_w = 0; #ifdef U3_CPU_DEBUG u3R->pro.nox_d += 1; #endif #ifdef VERBOSE_BYTECODE fprintf(stderr, "\r\ntail kick jump: %u, sp: %p\r\n", u3x_at(sit_u->axe, o);, top); _n_print_byc(pog, ip_w); #endif } #ifdef VERBOSE_BYTECODE else { fprintf(stderr, "tail jet\r\n"); } #endif BURN(); do_wils: // [gof bus ref] o = _n_pep(mov,off); // [bus ref] _n_toss(mov, off); // [ref] top = _n_peek(off); goto wish_in; do_wish: // [gof bus ref] o = _n_pep(mov,off); // [bus ref] top = _n_swap(mov, off); // [ref bus] wish_in: u3t_off(noc_o); x = u3m_soft_esc(*top, u3k(o)); u3t_on(noc_o); if ( c3n == u3du(x) ) { u3m_bail(u3nt(1, o, 0)); return u3_none; } else if ( c3n == u3du(u3t(x)) ) { // replace with proper error stack push u3t_push(u3nc(c3__hunk, _n_mush(o))); u3m_bail(c3__exit); return u3_none; } else { u3z(o); *top = u3k(u3t(u3t(x))); u3z(x); BURN(); } do_sush: x = _n_resh(pog, &ip_w); goto cush_in; do_bush: x = pog[ip_w++]; cush_in: x = u3k(pog_u->lit_u.non[x]); o = _n_pep(mov, off); u3t_push(u3nc(x, o)); BURN(); do_drop: u3t_drop(); BURN(); do_heck: x = _n_pep(mov, off); if ( c3y == u3ud(x) ) { u3t_off(noc_o); u3t_heck(x); u3t_on(noc_o); } else { u3z(x); } BURN(); do_slog: x = _n_pep(mov, off); if ( !(u3C.wag_w & u3o_quiet) ) { u3t_off(noc_o); u3t_slog(x); u3t_on(noc_o); } else { u3z(x); } BURN(); do_sast: x = _n_resh(pog, &ip_w); goto fast_in; do_bast: x = pog[ip_w++]; goto fast_in; do_salt: x = _n_resh(pog, &ip_w); goto falt_in; do_balt: x = pog[ip_w++]; falt_in: // [pro bus clu] o = _n_pep(mov, off); // [bus clu] _n_toss(mov, off); // [clu] top = _n_peek(off); goto fast_out; fast_in: // [pro bus clu] o = _n_pep(mov, off); // [bus clu] top = _n_swap(mov, off); // [clu bus] fast_out: rit_u = &(pog_u->reg_u.rit_u[x]); u3t_off(noc_o); _n_mine(rit_u, *top, u3k(o)); u3t_on(noc_o); *top = o; BURN(); do_skis: x = _n_resh(pog, &ip_w); goto skim_in; do_skib: x = pog[ip_w++]; skim_in: mem_u = &(pog_u->mem_u.sot_u[x]); top = _n_peek(off); x = u3k(*top); goto skim_out; do_slis: x = _n_resh(pog, &ip_w); goto slim_in; do_slib: x = pog[ip_w++]; slim_in: mem_u = &(pog_u->mem_u.sot_u[x]); x = _n_pep(mov, off); skim_out: o = u3k(mem_u->key); x = u3nc(x, o); o = u3z_find(144 + c3__nock, x); if ( u3_none == o ) { _n_push(mov, off, x); _n_push(mov, off, u3k(u3h(x))); } else { ip_w += mem_u->sip_l; _n_push(mov, off, o); u3z(x); } BURN(); do_save: x = _n_pep(mov, off); top = _n_peek(off); o = *top; if ( &(u3H->rod_u) != u3R ) { u3z_save(144 + c3__nock, o, x); } *top = x; u3z(o); BURN(); } } static u3_noun _n_burn_out(u3_noun bus, u3n_prog* pog_u) { c3_ys mov, off; if ( c3y == u3a_is_north(u3R) ) { mov = -1; off = 0; } else { mov = 1; off = -1; } return _n_burn(pog_u, bus, mov, off); } /* _n_burn_on(): produce .*(bus fol) with bytecode interpreter */ static u3_noun _n_burn_on(u3_noun bus, u3_noun fol) { u3n_prog* pog_u = _n_find(fol); u3z(fol); return _n_burn_out(bus, pog_u); } /* u3n_nock_on(): produce .*(bus fol). Do not virtualize. */ u3_noun u3n_nock_on(u3_noun bus, u3_noun fol) { u3_noun pro; u3t_on(noc_o); #if 0 pro = _n_nock_on(bus, fol); #else pro = _n_burn_on(bus, fol); #endif u3t_off(noc_o); return pro; } static void _n_site_take(u3j_site* dst_u, u3j_site* src_u, c3_o los_o) { u3_noun old = dst_u->axe; dst_u->axe = u3a_take(src_u->axe); if ( c3y == los_o ) { u3z(old); } else { dst_u->bat = u3_none; dst_u->pog_u = NULL; dst_u->loc = u3_none; dst_u->lab = u3_none; dst_u->jet_o = c3n; dst_u->fon_o = c3n; dst_u->cop_u = NULL; dst_u->ham_u = NULL; dst_u->fin_u = NULL; } if ( u3_none != src_u->loc ) { u3_noun lob = dst_u->lab, lod = dst_u->loc; c3_o fon_o = dst_u->fon_o; u3j_fink* fon_u = dst_u->fin_u; dst_u->loc = u3a_take(src_u->loc); dst_u->lab = u3a_take(src_u->lab); dst_u->cop_u = src_u->cop_u; dst_u->ham_u = src_u->ham_u; dst_u->jet_o = src_u->jet_o; if ( c3y == src_u->fon_o ) { dst_u->fin_u = _n_fink_take(src_u->fin_u); dst_u->fon_o = c3y; } else if ( fon_u != src_u->fin_u ) { dst_u->fin_u = src_u->fin_u; dst_u->fon_o = c3n; } else { fon_o = c3n; } if ( c3y == los_o ) { if ( u3_none != lod ) { u3z(lod); u3z(lob); if ( c3y == fon_o ) { _n_fink_free(fon_u); } } } } } static void _n_rite_take(u3j_rite* dst_u, u3j_rite* src_u, c3_o los_o) { if ( u3_none == src_u->clu ) { dst_u->clu = u3_none; dst_u->fin_u = NULL; } else { u3_noun old = dst_u->clu; u3j_fink* fon_u = dst_u->fin_u; c3_o own_o = dst_u->own_o; if ( c3y == src_u->own_o ) { dst_u->own_o = c3y; dst_u->clu = u3a_take(src_u->clu); dst_u->fin_u = _n_fink_take(src_u->fin_u); if ( (c3y == los_o) && (u3_none != old) && (c3y == own_o) ) { u3z(old); _n_fink_free(fon_u); } } } } static void _n_prog_take_dat(u3n_prog* dst_u, u3n_prog* src_u, c3_o los_o) { c3_w i_w; for ( i_w = 0; i_w < src_u->lit_u.len_w; ++i_w ) { u3_noun* dst = &(dst_u->lit_u.non[i_w]); u3_noun* src = &(src_u->lit_u.non[i_w]); u3_noun old = *dst; *dst = u3a_take(*src); if ( c3y == los_o ) { u3z(old); } } for ( i_w = 0; i_w < src_u->mem_u.len_w; ++i_w ) { u3n_memo* dst = &(dst_u->mem_u.sot_u[i_w]); u3n_memo* src = &(src_u->mem_u.sot_u[i_w]); u3_noun old = dst->key; dst->sip_l = src->sip_l; dst->key = u3a_take(src->key); if ( c3y == los_o ) { u3z(old); } } for ( i_w = 0; i_w < src_u->cal_u.len_w; ++i_w ) { _n_site_take(&(dst_u->cal_u.sit_u[i_w]), &(src_u->cal_u.sit_u[i_w]), los_o); } for ( i_w = 0; i_w < src_u->reg_u.len_w; ++i_w ) { _n_rite_take(&(dst_u->reg_u.rit_u[i_w]), &(src_u->reg_u.rit_u[i_w]), los_o); } } /* _n_prog_take(): copy program from a junior road */ static u3n_prog* _n_prog_take(u3n_prog* pog_u) { u3n_prog* gop_u; if ( c3y == pog_u->byc_u.own_o ) { gop_u = _n_prog_new(pog_u->byc_u.len_w, pog_u->cal_u.len_w, pog_u->reg_u.len_w, pog_u->lit_u.len_w, pog_u->mem_u.len_w); memcpy(gop_u->byc_u.ops_y, pog_u->byc_u.ops_y, pog_u->byc_u.len_w); } else { gop_u = _n_prog_old(pog_u); } _n_prog_take_dat(gop_u, pog_u, c3n); return gop_u; } static void _n_site_free(u3j_site* sit_u) { u3z(sit_u->axe); if ( u3_none != sit_u->bat ) { u3z(sit_u->bat); } if ( u3_none != sit_u->loc ) { u3z(sit_u->loc); u3z(sit_u->lab); if ( c3y == sit_u->fon_o ) { _n_fink_free(sit_u->fin_u); } } } static void _n_rite_free(u3j_rite* rit_u) { if ( (c3y == rit_u->own_o) && u3_none != rit_u->clu ) { u3z(rit_u->clu); _n_fink_free(rit_u->fin_u); } } /* _n_prog_free(): free memory retained by program */ static void _n_prog_free(u3n_prog* pog_u) { c3_w i_w; for ( i_w = 0; i_w < pog_u->lit_u.len_w; ++i_w ) { u3z(pog_u->lit_u.non[i_w]); } for ( i_w = 0; i_w < pog_u->mem_u.len_w; ++i_w ) { u3z(pog_u->mem_u.sot_u[i_w].key); } for ( i_w = 0; i_w < pog_u->cal_u.len_w; ++i_w ) { _n_site_free(&(pog_u->cal_u.sit_u[i_w])); } for ( i_w = 0; i_w < pog_u->reg_u.len_w; ++i_w ) { _n_rite_free(&(pog_u->reg_u.rit_u[i_w])); } u3a_free(pog_u); } /* _n_reap(): reap key and value from byc table. */ static void _n_reap(u3_noun kev) { u3_noun fol = u3h(kev); u3_noun got = u3t(kev); u3_noun lof = u3a_take(fol); u3_noun tog; u3_weak con = u3h_get(u3R->byc.har_p, lof); u3n_prog* pog_u = u3to(u3n_prog, got); if ( u3_none == con ) { tog = u3a_outa(_n_prog_take(pog_u)); u3h_put(u3R->byc.har_p, lof, tog); } else { u3n_prog* sep_u = u3to(u3n_prog, con); _n_prog_take_dat(sep_u, pog_u, c3y); tog = u3a_outa(sep_u); } u3z(lof); } /* u3n_beep(): promote bytecode state. */ void u3n_beep(u3p(u3h_root) har_p) { u3h_walk(har_p, _n_reap); } void _n_ream(u3_noun kev) { c3_w i_w; u3n_prog* pog_u = u3to(u3n_prog, u3t(kev)); for ( i_w = 0; i_w < pog_u->cal_u.len_w; ++i_w ) { u3j_site* sit_u = &(pog_u->cal_u.sit_u[i_w]); if ( u3_none != sit_u->loc ) { u3z(sit_u->lab); sit_u->jet_o = u3j_nail(sit_u->loc, sit_u->axe, &(sit_u->lab), &(sit_u->cop_u), &(sit_u->ham_u)); } } } /* u3n_ream(): refresh after restoring from checkpoint. */ void u3n_ream() { c3_assert(u3R == &(u3H->rod_u)); u3h_walk(u3R->byc.har_p, _n_ream); } static c3_w _n_site_mark(u3j_site* sit_u) { c3_w tot_w = u3a_mark_noun(sit_u->axe); if ( u3_none != sit_u->bat ) { tot_w += u3a_mark_noun(sit_u->bat); } if ( u3_none != sit_u->loc ) { tot_w += u3a_mark_noun(sit_u->loc); tot_w += u3a_mark_noun(sit_u->lab); if ( c3y == sit_u->fon_o ) { tot_w += _n_fink_mark(sit_u->fin_u); } } return tot_w; } static c3_w _n_rite_mark(u3j_rite* rit_u) { c3_w tot_w = 0; if ( (c3y == rit_u->own_o) && u3_none != rit_u->clu ) { tot_w += u3a_mark_noun(rit_u->clu); tot_w += _n_fink_mark(rit_u->fin_u); } return tot_w; } /* _n_prog_mark(): mark program for gc. */ static c3_w _n_prog_mark(u3n_prog* pog_u) { c3_w i_w, tot_w = u3a_mark_mptr(pog_u); for ( i_w = 0; i_w < pog_u->lit_u.len_w; ++i_w ) { tot_w += u3a_mark_noun(pog_u->lit_u.non[i_w]); } for ( i_w = 0; i_w < pog_u->mem_u.len_w; ++i_w ) { tot_w += u3a_mark_noun(pog_u->mem_u.sot_u[i_w].key); } for ( i_w = 0; i_w < pog_u->cal_u.len_w; ++i_w ) { tot_w += _n_site_mark(&(pog_u->cal_u.sit_u[i_w])); } for ( i_w = 0; i_w < pog_u->reg_u.len_w; ++i_w ) { tot_w += _n_rite_mark(&(pog_u->reg_u.rit_u[i_w])); } return tot_w; } /* _n_bam(): u3h_walk_with helper for u3n_bark */ static void _n_bam(u3_noun kev, void* dat) { c3_w* bam_w = dat; u3n_prog* pog = u3to(u3n_prog, u3t(kev)); *bam_w += _n_prog_mark(pog); } /* u3n_bark(): mark the bytecode cache for gc. */ c3_w u3n_bark() { c3_w bam_w = 0; u3p(u3h_root) har_p = u3R->byc.har_p; u3h_walk_with(har_p, _n_bam, &bam_w); return bam_w + u3h_mark(har_p); } /* _n_feb(): u3h_walk helper for u3n_bree */ static void _n_feb(u3_noun kev) { _n_prog_free(u3to(u3n_prog, u3t(kev))); } /* u3n_bree(): free bytecode cache */ void u3n_bree() { u3p(u3h_root) har_p = u3R->byc.har_p; u3h_walk(har_p, _n_feb); u3h_free(har_p); } /* u3n_kick_on(): fire `gat` without changing the sample. */ u3_noun u3n_kick_on(u3_noun gat) { return u3j_kink(gat, 2); } c3_w exc_w; /* u3n_slam_on(): produce (gat sam). */ u3_noun u3n_slam_on(u3_noun gat, u3_noun sam) { u3_noun cor = u3nc(u3k(u3h(gat)), u3nc(sam, u3k(u3t(u3t(gat))))); #if 0 if ( &u3H->rod_u == u3R ) { if ( exc_w == 1 ) { c3_assert(0); } exc_w++; } #endif u3z(gat); return u3n_kick_on(cor); } /* u3n_nock_et(): produce .*(bus fol), as ++toon, in namespace. */ u3_noun u3n_nock_et(u3_noun gul, u3_noun bus, u3_noun fol) { return u3m_soft_run(gul, u3n_nock_on, bus, fol); } /* u3n_slam_et(): produce (gat sam), as ++toon, in namespace. */ u3_noun u3n_slam_et(u3_noun gul, u3_noun gat, u3_noun sam) { return u3m_soft_run(gul, u3n_slam_on, gat, sam); } /* u3n_nock_an(): as slam_in(), but with empty fly. */ u3_noun u3n_nock_an(u3_noun bus, u3_noun fol) { u3_noun gul = u3nt(u3nt(1, 0, 0), 0, 0); // |=(a/{* *} ~) return u3n_nock_et(gul, bus, fol); }