aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/beam/erl_printf_term.c452
-rw-r--r--erts/emulator/beam/erl_process.c2
-rw-r--r--erts/emulator/test/bif_SUITE.erl27
3 files changed, 282 insertions, 199 deletions
diff --git a/erts/emulator/beam/erl_printf_term.c b/erts/emulator/beam/erl_printf_term.c
index d9f132f067..b71404fd27 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
@@ -216,233 +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)
{
+ DECLARE_WSTACK(s);
int res;
int i;
+ Eterm val;
Uint32 *ref_num;
Eterm* nobj;
+#if HALFWORD_HEAP
+ UWord wobj;
+#endif
res = 0;
- if ((*dcount)-- <= 0)
- return res;
-
-#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");
+ 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:
+#if HALFWORD_HEAP
+ obj = (Eterm) (wobj = WSTACK_POP(s));
+#else
+ obj = WSTACK_POP(s);
#endif
- else if(IS_CONST(obj))
- PRINT_STRING(res, fn, arg, "\033[34m");
- else
- PRINT_STRING(res, fn, arg, "\033[31m");
+ switch (val) {
+ case PRT_TERM:
+ break;
+ case PRT_ONE_CONS:
+ L_print_one_cons:
+ {
+ Eterm* cons = list_val(obj);
+ 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:
+ {
+#if HALFWORD_HEAP
+ Eterm* ptr = (Eterm *) wobj;
+#else
+ Eterm* ptr = (Eterm *) obj;
#endif
+ obj = *ptr;
+ }
+ break;
+ default: /* PRT_LAST_ARRAY_ELEMENT+1 and upwards */
+ {
+#if HALFWORD_HEAP
+ Eterm* ptr = (Eterm *) wobj;
+#else
+ Eterm* ptr = (Eterm *) obj;
+#endif
+ obj = *ptr++;
+ WSTACK_PUSH(s, (UWord) ptr);
+ 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;
+
+ 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) {
+ 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(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) {
+ 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(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]);
+ }
+ 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_BUF(res, fn, arg, name->name, name->len);
+ PRINT_ULONG(res, fn, arg, 'u', 0, 1,
+ (unsigned long) pid_number(obj));
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(obj));
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(obj));
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(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)
+ 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(*nobj);
+ }
+ 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(obj); /* 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(obj, ff);
+ PRINT_DOUBLE(res, fn, arg, 'e', 6, 0, ff.fd);
+ }
+ 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>>");
+ }
+ }
+ 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);
+ 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(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);
+ 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, (UWord) obj);
+ 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;
}
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 428ca12eb1..f8997f3c07 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -7700,7 +7700,7 @@ erts_program_counter_info(int to, void *to_arg, Process *p)
* only cause problems.
*/
for (i = 0; i < p->arity; i++)
- erts_print(to, to_arg, " %T\n", p->arg_reg[i]);
+ erts_print(to, to_arg, " %.*T\n", INT_MAX, p->arg_reg[i]);
}
}
}
diff --git a/erts/emulator/test/bif_SUITE.erl b/erts/emulator/test/bif_SUITE.erl
index 509586826b..c7617d3b90 100644
--- a/erts/emulator/test/bif_SUITE.erl
+++ b/erts/emulator/test/bif_SUITE.erl
@@ -24,6 +24,7 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
init_per_testcase/2,end_per_testcase/2,
+ display/1, display_huge/0,
types/1,
t_list_to_existing_atom/1,os_env/1,otp_7526/1,
binary_to_atom/1,binary_to_existing_atom/1,
@@ -33,6 +34,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[types, t_list_to_existing_atom, os_env, otp_7526,
+ display,
atom_to_binary, binary_to_atom, binary_to_existing_atom,
min_max].
@@ -60,6 +62,31 @@ end_per_testcase(_Func, Config) ->
Dog=?config(watchdog, Config),
?t:timetrap_cancel(Dog).
+
+display(suite) ->
+ [];
+display(doc) ->
+ ["Uses erlang:display to test that erts_printf does not do deep recursion"];
+display(Config) when is_list(Config) ->
+ Pa = filename:dirname(code:which(?MODULE)),
+ {ok, Node} = test_server:start_node(display_huge_term,peer,
+ [{args, "-pa "++Pa}]),
+ true = rpc:call(Node,?MODULE,display_huge,[]),
+ test_server:stop_node(Node),
+ ok.
+
+display_huge() ->
+ erlang:display(deeep(100000)).
+
+deeep(0,Acc) ->
+ Acc;
+deeep(N,Acc) ->
+ deeep(N-1,[Acc|[]]).
+
+deeep(N) ->
+ deeep(N,[hello]).
+
+
types(Config) when is_list(Config) ->
c:l(erl_bif_types),
case erlang:function_exported(erl_bif_types, module_info, 0) of
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 17:26:25 +0000