diff options
Diffstat (limited to 'erts/emulator/beam/erl_printf_term.c')
| -rw-r--r-- | erts/emulator/beam/erl_printf_term.c | 457 |
1 files changed, 253 insertions, 204 deletions
diff --git a/erts/emulator/beam/erl_printf_term.c b/erts/emulator/beam/erl_printf_term.c index d9f132f067..34da9cab84 100644 --- a/erts/emulator/beam/erl_printf_term.c +++ b/erts/emulator/beam/erl_printf_term.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2005-2010. All Rights Reserved. + * Copyright Ericsson AB 2005-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -114,13 +114,13 @@ do { \ /* return 0 if list is not a non-empty flat list of printable characters */ static int -is_printable_string(Eterm list) +is_printable_string(Eterm list, Eterm* base) { int len = 0; int c; while(is_list(list)) { - Eterm* consp = list_val(list); + Eterm* consp = list_val_rel(list, base); Eterm hd = CAR(consp); if (!is_byte(hd)) @@ -216,240 +216,289 @@ static int print_atom_name(fmtfn_t fn, void* arg, Eterm atom, long *dcount) } +#define PRT_BAR ((Eterm) 0) +#define PRT_COMMA ((Eterm) 1) +#define PRT_CLOSE_LIST ((Eterm) 2) +#define PRT_CLOSE_TUPLE ((Eterm) 3) +#define PRT_TERM ((Eterm) 4) +#define PRT_ONE_CONS ((Eterm) 5) +#define PRT_PATCH_FUN_SIZE ((Eterm) 6) +#define PRT_LAST_ARRAY_ELEMENT ((Eterm) 7) /* Note! Must be last... */ static int -print_term(fmtfn_t fn, void* arg, Eterm obj, long *dcount) +print_term(fmtfn_t fn, void* arg, Eterm obj, long *dcount, + Eterm* obj_base) /* ignored if !HALFWORD_HEAP */ { + DECLARE_WSTACK(s); int res; int i; + Eterm val; Uint32 *ref_num; + union { + UWord word; + Eterm* ptr; + }popped; Eterm* nobj; + Wterm wobj; res = 0; - if ((*dcount)-- <= 0) - return res; + goto L_jump_start; + + L_outer_loop: + while (!WSTACK_ISEMPTY(s)) { + switch (val = WSTACK_POP(s)) { + case PRT_COMMA: + PRINT_CHAR(res, fn, arg, ','); + goto L_outer_loop; + case PRT_BAR: + PRINT_CHAR(res, fn, arg, '|'); + goto L_outer_loop; + case PRT_CLOSE_LIST: + PRINT_CHAR(res, fn, arg, ']'); + goto L_outer_loop; + case PRT_CLOSE_TUPLE: + PRINT_CHAR(res, fn, arg, '}'); + goto L_outer_loop; + default: + popped.word = WSTACK_POP(s); -#ifdef HYBRID___NOT_ACTIVE - /* Color coded output based on memory location */ - if(ptr_val(obj) >= global_heap && ptr_val(obj) < global_hend) - PRINT_STRING(res, fn, arg, "\033[32m"); -#ifdef INCREMENTAL - else if(ptr_val(obj) >= inc_fromspc && ptr_val(obj) < inc_fromend) - PRINT_STRING(res, fn, arg, "\033[33m"); -#endif - else if(IS_CONST(obj)) - PRINT_STRING(res, fn, arg, "\033[34m"); - else - PRINT_STRING(res, fn, arg, "\033[31m"); -#endif + switch (val) { + case PRT_TERM: + obj = (Eterm) popped.word; + break; + case PRT_ONE_CONS: + obj = (Eterm) popped.word; + L_print_one_cons: + { + Eterm* cons = list_val_rel(obj, obj_base); + Eterm tl; + + obj = CAR(cons); + tl = CDR(cons); + if (is_not_nil(tl)) { + if (is_list(tl)) { + WSTACK_PUSH(s, tl); + WSTACK_PUSH(s, PRT_ONE_CONS); + WSTACK_PUSH(s, PRT_COMMA); + } else { + WSTACK_PUSH(s, tl); + WSTACK_PUSH(s, PRT_TERM); + WSTACK_PUSH(s, PRT_BAR); + } + } + } + break; + case PRT_LAST_ARRAY_ELEMENT: + obj = *popped.ptr; + break; + default: /* PRT_LAST_ARRAY_ELEMENT+1 and upwards */ + obj = *popped.ptr; + WSTACK_PUSH(s, (UWord) (popped.ptr + 1)); + WSTACK_PUSH(s, val-1); + WSTACK_PUSH(s, PRT_COMMA); + break; + } + break; + } - if (is_CP(obj)) { - PRINT_STRING(res, fn, arg, "<cp/header:"); - PRINT_POINTER(res, fn, arg, cp_val(obj)); - PRINT_CHAR(res, fn, arg, '>'); - return res; - } + L_jump_start: - switch (tag_val_def(obj)) { - case NIL_DEF: - PRINT_STRING(res, fn, arg, "[]"); - break; - case ATOM_DEF: { - int tres = print_atom_name(fn, arg, obj, dcount); - if (tres < 0) - return tres; - res += tres; - if (*dcount <= 0) - return res; - break; - } - case SMALL_DEF: - PRINT_SLONG(res, fn, arg, 'd', 0, 1, (signed long) signed_val(obj)); - break; - case BIG_DEF: { - int print_res; - char def_buf[64]; - char *buf, *big_str; - Uint sz = (Uint) big_decimal_estimate(obj); - sz++; - if (sz <= 64) - buf = &def_buf[0]; - else - buf = erts_alloc(ERTS_ALC_T_TMP, sz); - big_str = erts_big_to_string(obj, buf, sz); - print_res = erts_printf_string(fn, arg, big_str); - if (buf != &def_buf[0]) - erts_free(ERTS_ALC_T_TMP, (void *) buf); - if (print_res < 0) - return print_res; - res += print_res; - break; - } - case REF_DEF: - case EXTERNAL_REF_DEF: - PRINT_STRING(res, fn, arg, "#Ref<"); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, - (unsigned long) ref_channel_no(obj)); - ref_num = ref_numbers(obj); - for (i = ref_no_of_numbers(obj)-1; i >= 0; i--) { - PRINT_CHAR(res, fn, arg, '.'); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, (unsigned long) ref_num[i]); + if ((*dcount)-- <= 0) + goto L_done; + + if (is_CP(obj)) { + PRINT_STRING(res, fn, arg, "<cp/header:"); + PRINT_POINTER(res, fn, arg, cp_val(obj)); + PRINT_CHAR(res, fn, arg, '>'); + goto L_done; } - PRINT_CHAR(res, fn, arg, '>'); - break; - case PID_DEF: - case EXTERNAL_PID_DEF: - PRINT_CHAR(res, fn, arg, '<'); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, - (unsigned long) pid_channel_no(obj)); - PRINT_CHAR(res, fn, arg, '.'); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, - (unsigned long) pid_number(obj)); - PRINT_CHAR(res, fn, arg, '.'); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, - (unsigned long) pid_serial(obj)); - PRINT_CHAR(res, fn, arg, '>'); - break; - case PORT_DEF: - case EXTERNAL_PORT_DEF: - PRINT_STRING(res, fn, arg, "#Port<"); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, - (unsigned long) port_channel_no(obj)); - PRINT_CHAR(res, fn, arg, '.'); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, - (unsigned long) port_number(obj)); - PRINT_CHAR(res, fn, arg, '>'); - break; - case LIST_DEF: - if (is_printable_string(obj)) { - int c; - PRINT_CHAR(res, fn, arg, '"'); - nobj = list_val(obj); - while (1) { - if ((*dcount)-- <= 0) - return res; - c = signed_val(*nobj++); - if (c == '\n') - PRINT_STRING(res, fn, arg, "\\n"); - else { - if (c == '"') - PRINT_CHAR(res, fn, arg, '\\'); - PRINT_CHAR(res, fn, arg, (char) c); - } - if (is_not_list(*nobj)) - break; - nobj = list_val(*nobj); - } - PRINT_CHAR(res, fn, arg, '"'); - } else { - PRINT_CHAR(res, fn, arg, '['); - nobj = list_val(obj); - while (1) { - int tres = print_term(fn, arg, *nobj++, dcount); - if (tres < 0) - return tres; - res += tres; - if (*dcount <= 0) - return res; - if (is_not_list(*nobj)) - break; - PRINT_CHAR(res, fn, arg, ','); - nobj = list_val(*nobj); - } - if (is_not_nil(*nobj)) { - int tres; - PRINT_CHAR(res, fn, arg, '|'); - tres = print_term(fn, arg, *nobj, dcount); - if (tres < 0) - return tres; - res += tres; - if (*dcount <= 0) - return res; +#if HALFWORD_HEAP + wobj = is_immed(obj) ? (Wterm)obj : rterm2wterm(obj, obj_base); +#else + wobj = (Wterm)obj; +#endif + switch (tag_val_def(wobj)) { + case NIL_DEF: + PRINT_STRING(res, fn, arg, "[]"); + break; + case ATOM_DEF: { + int tres = print_atom_name(fn, arg, obj, dcount); + if (tres < 0) { + res = tres; + goto L_done; } - PRINT_CHAR(res, fn, arg, ']'); - } - break; - case TUPLE_DEF: - nobj = tuple_val(obj); /* pointer to arity */ - i = arityval(*nobj); /* arity */ - PRINT_CHAR(res, fn, arg, '{'); - while (i--) { - int tres = print_term(fn, arg, *++nobj, dcount); - if (tres < 0) - return tres; res += tres; if (*dcount <= 0) - return res; - if (i >= 1) - PRINT_CHAR(res, fn, arg, ','); - } - PRINT_CHAR(res, fn, arg, '}'); - break; - case FLOAT_DEF: { - FloatDef ff; - GET_DOUBLE(obj, ff); - PRINT_DOUBLE(res, fn, arg, 'e', 6, 0, ff.fd); + goto L_done; + break; } - break; - case BINARY_DEF: - { - ProcBin* pb = (ProcBin *) binary_val(obj); - if (pb->size == 1) - PRINT_STRING(res, fn, arg, "<<1 byte>>"); - else { - PRINT_STRING(res, fn, arg, "<<"); - PRINT_ULONG(res, fn, arg, 'u', 0, 1, (unsigned long) pb->size); - PRINT_STRING(res, fn, arg, " bytes>>"); + case SMALL_DEF: + PRINT_SLONG(res, fn, arg, 'd', 0, 1, (signed long) signed_val(obj)); + break; + case BIG_DEF: { + int print_res; + char def_buf[64]; + char *buf, *big_str; + Uint sz = (Uint) big_decimal_estimate(wobj); + sz++; + if (sz <= 64) + buf = &def_buf[0]; + else + buf = erts_alloc(ERTS_ALC_T_TMP, sz); + big_str = erts_big_to_string(wobj, buf, sz); + print_res = erts_printf_string(fn, arg, big_str); + if (buf != &def_buf[0]) + erts_free(ERTS_ALC_T_TMP, (void *) buf); + if (print_res < 0) { + res = print_res; + goto L_done; } + res += print_res; + break; } - break; - case EXPORT_DEF: - { - Export* ep = *((Export **) (export_val(obj) + 1)); - Atom* module = atom_tab(atom_val(ep->code[0])); - Atom* name = atom_tab(atom_val(ep->code[1])); - - PRINT_STRING(res, fn, arg, "#Fun<"); - PRINT_BUF(res, fn, arg, module->name, module->len); + case REF_DEF: + case EXTERNAL_REF_DEF: + PRINT_STRING(res, fn, arg, "#Ref<"); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, + (unsigned long) ref_channel_no(wobj)); + ref_num = ref_numbers(wobj); + for (i = ref_no_of_numbers(wobj)-1; i >= 0; i--) { + PRINT_CHAR(res, fn, arg, '.'); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, (unsigned long) ref_num[i]); + } + PRINT_CHAR(res, fn, arg, '>'); + break; + case PID_DEF: + case EXTERNAL_PID_DEF: + PRINT_CHAR(res, fn, arg, '<'); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, + (unsigned long) pid_channel_no(wobj)); PRINT_CHAR(res, fn, arg, '.'); - PRINT_BUF(res, fn, arg, name->name, name->len); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, + (unsigned long) pid_number(wobj)); PRINT_CHAR(res, fn, arg, '.'); - PRINT_SLONG(res, fn, arg, 'd', 0, 1, - (signed long) ep->code[2]); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, + (unsigned long) pid_serial(wobj)); PRINT_CHAR(res, fn, arg, '>'); - } - break; - case FUN_DEF: - { - ErlFunThing *funp = (ErlFunThing *) fun_val(obj); - Atom *ap = atom_tab(atom_val(funp->fe->module)); - - PRINT_STRING(res, fn, arg, "#Fun<"); - PRINT_BUF(res, fn, arg, ap->name, ap->len); - PRINT_CHAR(res, fn, arg, '.'); - PRINT_SLONG(res, fn, arg, 'd', 0, 1, - (signed long) funp->fe->old_index); + break; + case PORT_DEF: + case EXTERNAL_PORT_DEF: + PRINT_STRING(res, fn, arg, "#Port<"); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, + (unsigned long) port_channel_no(wobj)); PRINT_CHAR(res, fn, arg, '.'); - PRINT_SLONG(res, fn, arg, 'd', 0, 1, - (signed long) funp->fe->old_uniq); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, + (unsigned long) port_number(wobj)); + PRINT_CHAR(res, fn, arg, '>'); + break; + case LIST_DEF: + if (is_printable_string(obj, obj_base)) { + int c; + PRINT_CHAR(res, fn, arg, '"'); + nobj = list_val_rel(obj, obj_base); + while (1) { + if ((*dcount)-- <= 0) + goto L_done; + c = signed_val(*nobj++); + if (c == '\n') + PRINT_STRING(res, fn, arg, "\\n"); + else { + if (c == '"') + PRINT_CHAR(res, fn, arg, '\\'); + PRINT_CHAR(res, fn, arg, (char) c); + } + if (is_not_list(*nobj)) + break; + nobj = list_val_rel(*nobj, obj_base); + } + PRINT_CHAR(res, fn, arg, '"'); + } else { + PRINT_CHAR(res, fn, arg, '['); + WSTACK_PUSH(s,PRT_CLOSE_LIST); + goto L_print_one_cons; + } + break; + case TUPLE_DEF: + nobj = tuple_val(wobj); /* pointer to arity */ + i = arityval(*nobj); /* arity */ + PRINT_CHAR(res, fn, arg, '{'); + WSTACK_PUSH(s,PRT_CLOSE_TUPLE); + ++nobj; + if (i > 0) { + WSTACK_PUSH(s, (UWord) nobj); + WSTACK_PUSH(s, PRT_LAST_ARRAY_ELEMENT+i-1); + } + break; + case FLOAT_DEF: { + FloatDef ff; + GET_DOUBLE(wobj, ff); + PRINT_DOUBLE(res, fn, arg, 'e', 6, 0, ff.fd); + } + break; + case BINARY_DEF: + { + ProcBin* pb = (ProcBin *) binary_val(wobj); + if (pb->size == 1) + PRINT_STRING(res, fn, arg, "<<1 byte>>"); + else { + PRINT_STRING(res, fn, arg, "<<"); + PRINT_ULONG(res, fn, arg, 'u', 0, 1, (unsigned long) pb->size); + PRINT_STRING(res, fn, arg, " bytes>>"); + } + } + break; + case EXPORT_DEF: + { + Export* ep = *((Export **) (export_val(wobj) + 1)); + Atom* module = atom_tab(atom_val(ep->code[0])); + Atom* name = atom_tab(atom_val(ep->code[1])); + + PRINT_STRING(res, fn, arg, "#Fun<"); + PRINT_BUF(res, fn, arg, module->name, module->len); + PRINT_CHAR(res, fn, arg, '.'); + PRINT_BUF(res, fn, arg, name->name, name->len); + PRINT_CHAR(res, fn, arg, '.'); + PRINT_SLONG(res, fn, arg, 'd', 0, 1, + (signed long) ep->code[2]); + PRINT_CHAR(res, fn, arg, '>'); + } + break; + case FUN_DEF: + { + ErlFunThing *funp = (ErlFunThing *) fun_val(wobj); + Atom *ap = atom_tab(atom_val(funp->fe->module)); + + PRINT_STRING(res, fn, arg, "#Fun<"); + PRINT_BUF(res, fn, arg, ap->name, ap->len); + PRINT_CHAR(res, fn, arg, '.'); + PRINT_SLONG(res, fn, arg, 'd', 0, 1, + (signed long) funp->fe->old_index); + PRINT_CHAR(res, fn, arg, '.'); + PRINT_SLONG(res, fn, arg, 'd', 0, 1, + (signed long) funp->fe->old_uniq); + PRINT_CHAR(res, fn, arg, '>'); + } + break; + default: + PRINT_STRING(res, fn, arg, "<unknown:"); + PRINT_POINTER(res, fn, arg, wobj); PRINT_CHAR(res, fn, arg, '>'); + break; } - break; - default: - PRINT_STRING(res, fn, arg, "<unknown:"); - PRINT_POINTER(res, fn, arg, (UWord) obj); - PRINT_CHAR(res, fn, arg, '>'); - break; } + L_done: + + DESTROY_WSTACK(s); return res; } int -erts_printf_term(fmtfn_t fn, void* arg, unsigned long term, long precision) +erts_printf_term(fmtfn_t fn, void* arg, unsigned long term, long precision, + unsigned long* term_base) { - int res = print_term(fn, arg, (Uint) term, &precision); + int res = print_term(fn, arg, (Eterm)term, &precision, (Eterm*)term_base); if (res < 0) return res; if (precision <= 0) |