/* MI prints only certain values according to the type of symbol and
also what the user has specified. SYM is the symbol to check, and
MI_PRINT_TYPES is an enum specifying what the user wants emitted
for the MI command in question. */
static int
mi_should_print (struct symbol *sym, enum mi_print_types type)
{
int print_me = 0;
switch (SYMBOL_CLASS (sym))
{
default:
case LOC_UNDEF: /* catches errors */
case LOC_CONST: /* constant */
case LOC_TYPEDEF: /* local typedef */
case LOC_LABEL: /* local label */
case LOC_BLOCK: /* local function */
case LOC_CONST_BYTES: /* loc. byte seq. */
case LOC_UNRESOLVED: /* unresolved static */
case LOC_OPTIMIZED_OUT: /* optimized out */
print_me = 0;
break;
case LOC_ARG: /* argument */
case LOC_REF_ARG: /* reference arg */
case LOC_REGPARM_ADDR: /* indirect register arg */
case LOC_LOCAL: /* stack local */
case LOC_STATIC: /* static */
case LOC_REGISTER: /* register */
case LOC_COMPUTED: /* computed location */
if (type == MI_PRINT_LOCALS)
print_me = ! SYMBOL_IS_ARGUMENT (sym);
else
print_me = SYMBOL_IS_ARGUMENT (sym);
}
return print_me;
}
static PyObject *
sympy_is_argument (PyObject *self, void *closure)
{
struct symbol *symbol = NULL;
SYMPY_REQUIRE_VALID (self, symbol);
return PyBool_FromLong (SYMBOL_IS_ARGUMENT (symbol));
}
static SCM
gdbscm_symbol_argument_p (SCM self)
{
symbol_smob *s_smob
= syscm_get_valid_symbol_smob_arg_unsafe (self, SCM_ARG1, FUNC_NAME);
const struct symbol *symbol = s_smob->symbol;
return scm_from_bool (SYMBOL_IS_ARGUMENT (symbol));
}
static SCM
gdbscm_symbol_variable_p (SCM self)
{
symbol_smob *s_smob
= syscm_get_valid_symbol_smob_arg_unsafe (self, SCM_ARG1, FUNC_NAME);
const struct symbol *symbol = s_smob->symbol;
enum address_class theclass;
theclass = SYMBOL_CLASS (symbol);
return scm_from_bool (!SYMBOL_IS_ARGUMENT (symbol)
&& (theclass == LOC_LOCAL || theclass == LOC_REGISTER
|| theclass == LOC_STATIC || theclass == LOC_COMPUTED
|| theclass == LOC_OPTIMIZED_OUT));
}
static PyObject *
sympy_is_variable (PyObject *self, void *closure)
{
struct symbol *symbol = NULL;
enum address_class theclass;
SYMPY_REQUIRE_VALID (self, symbol);
theclass = SYMBOL_CLASS (symbol);
return PyBool_FromLong (!SYMBOL_IS_ARGUMENT (symbol)
&& (theclass == LOC_LOCAL || theclass == LOC_REGISTER
|| theclass == LOC_STATIC || theclass == LOC_COMPUTED
|| theclass == LOC_OPTIMIZED_OUT));
}
static void
list_args_or_locals (enum what_to_list what, enum print_values values,
struct frame_info *fi, int skip_unavailable)
{
const struct block *block;
struct symbol *sym;
struct block_iterator iter;
struct cleanup *cleanup_list;
struct type *type;
char *name_of_result;
struct ui_out *uiout = current_uiout;
block = get_frame_block (fi, 0);
switch (what)
{
case locals:
name_of_result = "locals";
break;
case arguments:
name_of_result = "args";
break;
case all:
name_of_result = "variables";
break;
default:
internal_error (__FILE__, __LINE__,
"unexpected what_to_list: %d", (int) what);
}
cleanup_list = make_cleanup_ui_out_list_begin_end (uiout, name_of_result);
while (block != 0)
{
ALL_BLOCK_SYMBOLS (block, iter, sym)
{
int print_me = 0;
switch (SYMBOL_CLASS (sym))
{
default:
case LOC_UNDEF: /* catches errors */
case LOC_CONST: /* constant */
case LOC_TYPEDEF: /* local typedef */
case LOC_LABEL: /* local label */
case LOC_BLOCK: /* local function */
case LOC_CONST_BYTES: /* loc. byte seq. */
case LOC_UNRESOLVED: /* unresolved static */
case LOC_OPTIMIZED_OUT: /* optimized out */
print_me = 0;
break;
case LOC_ARG: /* argument */
case LOC_REF_ARG: /* reference arg */
case LOC_REGPARM_ADDR: /* indirect register arg */
case LOC_LOCAL: /* stack local */
case LOC_STATIC: /* static */
case LOC_REGISTER: /* register */
case LOC_COMPUTED: /* computed location */
if (what == all)
print_me = 1;
else if (what == locals)
print_me = !SYMBOL_IS_ARGUMENT (sym);
else
print_me = SYMBOL_IS_ARGUMENT (sym);
break;
}
if (print_me)
{
struct symbol *sym2;
struct frame_arg arg, entryarg;
if (SYMBOL_IS_ARGUMENT (sym))
sym2 = lookup_symbol (SYMBOL_LINKAGE_NAME (sym),
block, VAR_DOMAIN,
NULL);
else
sym2 = sym;
gdb_assert (sym2 != NULL);
memset (&arg, 0, sizeof (arg));
arg.sym = sym2;
arg.entry_kind = print_entry_values_no;
memset (&entryarg, 0, sizeof (entryarg));
entryarg.sym = sym2;
entryarg.entry_kind = print_entry_values_no;
switch (values)
{
case PRINT_SIMPLE_VALUES:
type = check_typedef (sym2->type);
if (TYPE_CODE (type) != TYPE_CODE_ARRAY
&& TYPE_CODE (type) != TYPE_CODE_STRUCT
&& TYPE_CODE (type) != TYPE_CODE_UNION)
{
case PRINT_ALL_VALUES:
if (SYMBOL_IS_ARGUMENT (sym))
read_frame_arg (sym2, fi, &arg, &entryarg);
else
read_frame_local (sym2, fi, &arg);
}
break;
}
if (arg.entry_kind != print_entry_values_only)
list_arg_or_local (&arg, what, values, skip_unavailable);
if (entryarg.entry_kind != print_entry_values_no)
list_arg_or_local (&entryarg, what, values, skip_unavailable);
xfree (arg.error);
xfree (entryarg.error);
}
}
if (BLOCK_FUNCTION (block))
break;
else
block = BLOCK_SUPERBLOCK (block);
}
static void
list_arg_or_local (const struct frame_arg *arg, enum what_to_list what,
enum print_values values, int skip_unavailable)
{
struct cleanup *old_chain;
struct ui_out *uiout = current_uiout;
struct ui_file *stb;
gdb_assert (!arg->val || !arg->error);
gdb_assert ((values == PRINT_NO_VALUES && arg->val == NULL
&& arg->error == NULL)
|| values == PRINT_SIMPLE_VALUES
|| (values == PRINT_ALL_VALUES
&& (arg->val != NULL || arg->error != NULL)));
gdb_assert (arg->entry_kind == print_entry_values_no
|| (arg->entry_kind == print_entry_values_only
&& (arg->val || arg->error)));
if (skip_unavailable && arg->val != NULL
&& (value_entirely_unavailable (arg->val)
/* A scalar object that does not have all bits available is
also considered unavailable, because all bits contribute
to its representation. */
|| (val_print_scalar_type_p (value_type (arg->val))
&& !value_bytes_available (arg->val,
value_embedded_offset (arg->val),
TYPE_LENGTH (value_type (arg->val))))))
return;
stb = mem_fileopen ();
old_chain = make_cleanup_ui_file_delete (stb);
if (values != PRINT_NO_VALUES || what == all)
make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
fputs_filtered (SYMBOL_PRINT_NAME (arg->sym), stb);
if (arg->entry_kind == print_entry_values_only)
fputs_filtered ("@entry", stb);
ui_out_field_stream (uiout, "name", stb);
if (what == all && SYMBOL_IS_ARGUMENT (arg->sym))
ui_out_field_int (uiout, "arg", 1);
if (values == PRINT_SIMPLE_VALUES)
{
check_typedef (arg->sym->type);
type_print (arg->sym->type, "", stb, -1);
ui_out_field_stream (uiout, "type", stb);
}
if (arg->val || arg->error)
{
const char *error_message = NULL;
if (arg->error)
error_message = arg->error;
else
{
TRY
{
struct value_print_options opts;
get_no_prettyformat_print_options (&opts);
opts.deref_ref = 1;
common_val_print (arg->val, stb, 0, &opts,
language_def (SYMBOL_LANGUAGE (arg->sym)));
}
CATCH (except, RETURN_MASK_ERROR)
{
error_message = except.message;
}
END_CATCH
}
if (error_message != NULL)
fprintf_filtered (stb, _("<error reading variable: %s>"),
error_message);
ui_out_field_stream (uiout, "value", stb);
}
do_cleanups (old_chain);
}
static void
list_arg_or_local (const struct frame_arg *arg, enum what_to_list what,
enum print_values values)
{
struct cleanup *old_chain;
struct ui_out *uiout = current_uiout;
struct ui_file *stb;
stb = mem_fileopen ();
old_chain = make_cleanup_ui_file_delete (stb);
gdb_assert (!arg->val || !arg->error);
gdb_assert ((values == PRINT_NO_VALUES && arg->val == NULL
&& arg->error == NULL)
|| values == PRINT_SIMPLE_VALUES
|| (values == PRINT_ALL_VALUES
&& (arg->val != NULL || arg->error != NULL)));
gdb_assert (arg->entry_kind == print_entry_values_no
|| (arg->entry_kind == print_entry_values_only
&& (arg->val || arg->error)));
if (values != PRINT_NO_VALUES || what == all)
make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
fputs_filtered (SYMBOL_PRINT_NAME (arg->sym), stb);
if (arg->entry_kind == print_entry_values_only)
fputs_filtered ("@entry", stb);
ui_out_field_stream (uiout, "name", stb);
if (what == all && SYMBOL_IS_ARGUMENT (arg->sym))
ui_out_field_int (uiout, "arg", 1);
if (values == PRINT_SIMPLE_VALUES)
{
check_typedef (arg->sym->type);
type_print (arg->sym->type, "", stb, -1);
ui_out_field_stream (uiout, "type", stb);
}
if (arg->val || arg->error)
{
volatile struct gdb_exception except;
if (arg->error)
except.message = arg->error;
else
{
/* TRY_CATCH has two statements, wrap it in a block. */
TRY_CATCH (except, RETURN_MASK_ERROR)
{
struct value_print_options opts;
get_raw_print_options (&opts);
opts.deref_ref = 1;
common_val_print (arg->val, stb, 0, &opts,
language_def (SYMBOL_LANGUAGE (arg->sym)));
}
}
if (except.message)
fprintf_filtered (stb, _("<error reading variable: %s>"),
except.message);
ui_out_field_stream (uiout, "value", stb);
}
do_cleanups (old_chain);
}
