Factor out array printing code from c_val_print

gdb/ChangeLog:

	* c-valprint.c (c_valprint): Factor our array printing code from
	c_val_print to ...
	(c_val_print_array): ... this new function.
This commit is contained in:
Simon Marchi 2015-07-09 11:17:20 -04:00
parent 1033c33c36
commit 0b6ef777bd
2 changed files with 117 additions and 95 deletions

View File

@ -1,3 +1,9 @@
2015-07-09 Simon Marchi <simon.marchi@ericsson.com>
* c-valprint.c (c_valprint): Factor our array printing code from
c_val_print to ...
(c_val_print_array): ... this new function.
2015-07-09 Simon Marchi <simon.marchi@ericsson.com> 2015-07-09 Simon Marchi <simon.marchi@ericsson.com>
* c-valprint.c (c_val_print): Factor out pointer printing code * c-valprint.c (c_val_print): Factor out pointer printing code

View File

@ -225,6 +225,115 @@ print_unpacked_pointer (struct type *type, struct type *elttype,
} }
} }
/* c_val_print helper for TYPE_CODE_ARRAY. */
static void
c_val_print_array (struct type *type, const gdb_byte *valaddr,
int embedded_offset, CORE_ADDR address,
struct ui_file *stream, int recurse,
const struct value *original_value,
const struct value_print_options *options)
{
struct type *unresolved_elttype = TYPE_TARGET_TYPE (type);
struct type *elttype = check_typedef (unresolved_elttype);
if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0)
{
LONGEST low_bound, high_bound;
int eltlen, len;
struct gdbarch *gdbarch = get_type_arch (type);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
unsigned int i = 0; /* Number of characters printed. */
if (!get_array_bounds (type, &low_bound, &high_bound))
error (_("Could not determine the array high bound"));
eltlen = TYPE_LENGTH (elttype);
len = high_bound - low_bound + 1;
if (options->prettyformat_arrays)
{
print_spaces_filtered (2 + 2 * recurse, stream);
}
/* Print arrays of textual chars with a string syntax, as
long as the entire array is valid. */
if (c_textual_element_type (unresolved_elttype,
options->format)
&& value_bytes_available (original_value, embedded_offset,
TYPE_LENGTH (type))
&& !value_bits_any_optimized_out (original_value,
TARGET_CHAR_BIT * embedded_offset,
TARGET_CHAR_BIT * TYPE_LENGTH (type)))
{
int force_ellipses = 0;
/* If requested, look for the first null char and only
print elements up to it. */
if (options->stop_print_at_null)
{
unsigned int temp_len;
for (temp_len = 0;
(temp_len < len
&& temp_len < options->print_max
&& extract_unsigned_integer (valaddr + embedded_offset
+ temp_len * eltlen,
eltlen, byte_order) != 0);
++temp_len)
;
/* Force LA_PRINT_STRING to print ellipses if
we've printed the maximum characters and
the next character is not \000. */
if (temp_len == options->print_max && temp_len < len)
{
ULONGEST val
= extract_unsigned_integer (valaddr + embedded_offset
+ temp_len * eltlen,
eltlen, byte_order);
if (val != 0)
force_ellipses = 1;
}
len = temp_len;
}
LA_PRINT_STRING (stream, unresolved_elttype,
valaddr + embedded_offset, len,
NULL, force_ellipses, options);
i = len;
}
else
{
fprintf_filtered (stream, "{");
/* If this is a virtual function table, print the 0th
entry specially, and the rest of the members
normally. */
if (cp_is_vtbl_ptr_type (elttype))
{
i = 1;
fprintf_filtered (stream, _("%d vtable entries"),
len - 1);
}
else
{
i = 0;
}
val_print_array_elements (type, valaddr, embedded_offset,
address, stream,
recurse, original_value, options, i);
fprintf_filtered (stream, "}");
}
}
else
{
/* Array of unspecified length: treat like pointer to first elt. */
print_unpacked_pointer (type, elttype, unresolved_elttype, valaddr,
embedded_offset, address + embedded_offset,
stream, recurse, options);
}
}
/* See val_print for a description of the various parameters of this /* See val_print for a description of the various parameters of this
function; they are identical. */ function; they are identical. */
@ -236,109 +345,16 @@ c_val_print (struct type *type, const gdb_byte *valaddr,
const struct value_print_options *options) const struct value_print_options *options)
{ {
struct gdbarch *gdbarch = get_type_arch (type); struct gdbarch *gdbarch = get_type_arch (type);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
unsigned len;
struct type *elttype, *unresolved_elttype; struct type *elttype, *unresolved_elttype;
struct type *unresolved_type = type; struct type *unresolved_type = type;
unsigned eltlen;
CORE_ADDR addr; CORE_ADDR addr;
CHECK_TYPEDEF (type); CHECK_TYPEDEF (type);
switch (TYPE_CODE (type)) switch (TYPE_CODE (type))
{ {
unsigned int i = 0; /* Number of characters printed. */
case TYPE_CODE_ARRAY: case TYPE_CODE_ARRAY:
unresolved_elttype = TYPE_TARGET_TYPE (type); c_val_print_array (type, valaddr, embedded_offset, address, stream,
elttype = check_typedef (unresolved_elttype); recurse, original_value, options);
if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0)
{
LONGEST low_bound, high_bound;
if (!get_array_bounds (type, &low_bound, &high_bound))
error (_("Could not determine the array high bound"));
eltlen = TYPE_LENGTH (elttype);
len = high_bound - low_bound + 1;
if (options->prettyformat_arrays)
{
print_spaces_filtered (2 + 2 * recurse, stream);
}
/* Print arrays of textual chars with a string syntax, as
long as the entire array is valid. */
if (c_textual_element_type (unresolved_elttype,
options->format)
&& value_bytes_available (original_value, embedded_offset,
TYPE_LENGTH (type))
&& !value_bits_any_optimized_out (original_value,
TARGET_CHAR_BIT * embedded_offset,
TARGET_CHAR_BIT * TYPE_LENGTH (type)))
{
int force_ellipses = 0;
/* If requested, look for the first null char and only
print elements up to it. */
if (options->stop_print_at_null)
{
unsigned int temp_len;
for (temp_len = 0;
(temp_len < len
&& temp_len < options->print_max
&& extract_unsigned_integer (valaddr + embedded_offset
+ temp_len * eltlen,
eltlen, byte_order) != 0);
++temp_len)
;
/* Force LA_PRINT_STRING to print ellipses if
we've printed the maximum characters and
the next character is not \000. */
if (temp_len == options->print_max && temp_len < len)
{
ULONGEST val
= extract_unsigned_integer (valaddr + embedded_offset
+ temp_len * eltlen,
eltlen, byte_order);
if (val != 0)
force_ellipses = 1;
}
len = temp_len;
}
LA_PRINT_STRING (stream, unresolved_elttype,
valaddr + embedded_offset, len,
NULL, force_ellipses, options);
i = len;
}
else
{
fprintf_filtered (stream, "{");
/* If this is a virtual function table, print the 0th
entry specially, and the rest of the members
normally. */
if (cp_is_vtbl_ptr_type (elttype))
{
i = 1;
fprintf_filtered (stream, _("%d vtable entries"),
len - 1);
}
else
{
i = 0;
}
val_print_array_elements (type, valaddr, embedded_offset,
address, stream,
recurse, original_value, options, i);
fprintf_filtered (stream, "}");
}
break;
}
/* Array of unspecified length: treat like pointer to first elt. */
print_unpacked_pointer (type, elttype, unresolved_elttype, valaddr,
embedded_offset, address + embedded_offset,
stream, recurse, options);
break; break;
case TYPE_CODE_METHODPTR: case TYPE_CODE_METHODPTR: