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authorAidan Skinner <aidan@velvet.net>2002-06-04 15:28:49 +0000
committerAidan Skinner <aidan@velvet.net>2002-06-04 15:28:49 +0000
commit14f9c5c9558100c8ca21f8a424fd38949be918df (patch)
treeedcfe08f44d481300a220470e4cf3a6cdc34af69 /gdb/ada-valprint.c
parent8d2c33be032d817bfce67cb975bb25fdc28f1c5d (diff)
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Add base ada language files
Diffstat (limited to 'gdb/ada-valprint.c')
-rw-r--r--gdb/ada-valprint.c1058
1 files changed, 1058 insertions, 0 deletions
diff --git a/gdb/ada-valprint.c b/gdb/ada-valprint.c
new file mode 100644
index 0000000..6db18eb
--- /dev/null
+++ b/gdb/ada-valprint.c
@@ -0,0 +1,1058 @@
+/* Support for printing Ada values for GDB, the GNU debugger.
+ Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1997, 2001
+ Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include <ctype.h>
+#include "defs.h"
+#include "symtab.h"
+#include "gdbtypes.h"
+#include "expression.h"
+#include "value.h"
+#include "demangle.h"
+#include "valprint.h"
+#include "language.h"
+#include "annotate.h"
+#include "ada-lang.h"
+#include "c-lang.h"
+
+/* Encapsulates arguments to ada_val_print. */
+struct ada_val_print_args {
+ struct type* type;
+ char* valaddr0;
+ int embedded_offset;
+ CORE_ADDR address;
+ struct ui_file *stream;
+ int format;
+ int deref_ref;
+ int recurse;
+ enum val_prettyprint pretty;
+};
+
+extern int inspect_it;
+extern unsigned int repeat_count_threshold;
+
+static void print_record (struct type*, char*, struct ui_file*, int,
+ int, enum val_prettyprint);
+
+static int print_field_values (struct type*, char*, struct ui_file*,
+ int, int, enum val_prettyprint,
+ int, struct type*, char*);
+
+static int print_variant_part (struct type*, int, char*,
+ struct ui_file*, int, int, enum val_prettyprint,
+ int, struct type*, char*);
+
+static void
+val_print_packed_array_elements (struct type*, char *valaddr, int,
+ struct ui_file*, int, int,
+ enum val_prettyprint);
+
+static void adjust_type_signedness (struct type*);
+
+static int ada_val_print_stub (PTR args0);
+
+static int
+ada_val_print_1 (struct type*, char*, int, CORE_ADDR, struct ui_file*,
+ int, int, int, enum val_prettyprint);
+
+
+/* Make TYPE unsigned if its range of values includes no negatives. */
+static void
+adjust_type_signedness (type)
+ struct type* type;
+{
+ if (type != NULL && TYPE_CODE (type) == TYPE_CODE_RANGE
+ && TYPE_LOW_BOUND (type) >= 0)
+ TYPE_FLAGS (type) |= TYPE_FLAG_UNSIGNED;
+}
+
+/* Assuming TYPE is a simple array type, prints its lower bound on STREAM,
+ if non-standard (i.e., other than 1 for numbers, other than lower bound
+ of index type for enumerated type). Returns 1 if something printed,
+ otherwise 0. */
+
+static int
+print_optional_low_bound (stream, type)
+ struct ui_file *stream;
+ struct type *type;
+{
+ struct type *index_type;
+ long low_bound;
+
+ index_type = TYPE_INDEX_TYPE (type);
+ low_bound = 0;
+
+ if (index_type == NULL)
+ return 0;
+ if (TYPE_CODE (index_type) == TYPE_CODE_RANGE)
+ {
+ low_bound = TYPE_LOW_BOUND (index_type);
+ index_type = TYPE_TARGET_TYPE (index_type);
+ }
+ else
+ return 0;
+
+ switch (TYPE_CODE (index_type)) {
+ case TYPE_CODE_ENUM:
+ if (low_bound == TYPE_FIELD_BITPOS (index_type, 0))
+ return 0;
+ break;
+ case TYPE_CODE_UNDEF:
+ index_type = builtin_type_long;
+ /* FALL THROUGH */
+ default:
+ if (low_bound == 1)
+ return 0;
+ break;
+ }
+
+ ada_print_scalar (index_type, (LONGEST) low_bound, stream);
+ fprintf_filtered (stream, " => ");
+ return 1;
+}
+
+/* Version of val_print_array_elements for GNAT-style packed arrays.
+ Prints elements of packed array of type TYPE at bit offset
+ BITOFFSET from VALADDR on STREAM. Formats according to FORMAT and
+ separates with commas. RECURSE is the recursion (nesting) level.
+ If PRETTY, uses "prettier" format. TYPE must have been decoded (as
+ by ada_coerce_to_simple_array). */
+
+static void
+val_print_packed_array_elements (type, valaddr, bitoffset, stream, format,
+ recurse, pretty)
+ struct type *type;
+ char *valaddr;
+ int bitoffset;
+ struct ui_file *stream;
+ int format;
+ int recurse;
+ enum val_prettyprint pretty;
+{
+ unsigned int i;
+ unsigned int things_printed = 0;
+ unsigned len;
+ struct type *elttype;
+ unsigned eltlen;
+ /* Position of the array element we are examining to see
+ whether it is repeated. */
+ unsigned int rep1;
+ /* Number of repetitions we have detected so far. */
+ unsigned int reps;
+ unsigned long bitsize = TYPE_FIELD_BITSIZE (type, 0);
+ struct value* mark = value_mark ();
+
+ elttype = TYPE_TARGET_TYPE (type);
+ eltlen = TYPE_LENGTH (check_typedef (elttype));
+
+ {
+ LONGEST low, high;
+ if (get_discrete_bounds (TYPE_FIELD_TYPE (type, 0), &low, &high) < 0)
+ len = 1;
+ else
+ len = high - low + 1;
+ }
+
+ i = 0;
+ annotate_array_section_begin (i, elttype);
+
+ while (i < len && things_printed < print_max)
+ {
+ struct value *v0, *v1;
+ int i0;
+
+ if (i != 0)
+ {
+ if (prettyprint_arrays)
+ {
+ fprintf_filtered (stream, ",\n");
+ print_spaces_filtered (2 + 2 * recurse, stream);
+ }
+ else
+ {
+ fprintf_filtered (stream, ", ");
+ }
+ }
+ wrap_here (n_spaces (2 + 2 * recurse));
+
+ i0 = i;
+ v0 = ada_value_primitive_packed_val (NULL, valaddr,
+ (i0 * bitsize) / HOST_CHAR_BIT,
+ (i0 * bitsize) % HOST_CHAR_BIT,
+ bitsize, elttype);
+ while (1)
+ {
+ i += 1;
+ if (i >= len)
+ break;
+ v1 = ada_value_primitive_packed_val (NULL, valaddr,
+ (i * bitsize) / HOST_CHAR_BIT,
+ (i * bitsize) % HOST_CHAR_BIT,
+ bitsize, elttype);
+ if (memcmp (VALUE_CONTENTS (v0), VALUE_CONTENTS (v1), eltlen)
+ != 0)
+ break;
+ }
+
+ if (i - i0 > repeat_count_threshold)
+ {
+ val_print (elttype, VALUE_CONTENTS (v0), 0, 0, stream, format,
+ 0, recurse + 1, pretty);
+ annotate_elt_rep (i - i0);
+ fprintf_filtered (stream, " <repeats %u times>", i - i0);
+ annotate_elt_rep_end ();
+
+ }
+ else
+ {
+ int j;
+ for (j = i0; j < i; j += 1)
+ {
+ if (j > i0)
+ {
+ if (prettyprint_arrays)
+ {
+ fprintf_filtered (stream, ",\n");
+ print_spaces_filtered (2 + 2 * recurse, stream);
+ }
+ else
+ {
+ fprintf_filtered (stream, ", ");
+ }
+ wrap_here (n_spaces (2 + 2 * recurse));
+ }
+ val_print (elttype, VALUE_CONTENTS (v0), 0, 0, stream, format,
+ 0, recurse + 1, pretty);
+ annotate_elt ();
+ }
+ }
+ things_printed += i - i0;
+ }
+ annotate_array_section_end ();
+ if (i < len)
+ {
+ fprintf_filtered (stream, "...");
+ }
+
+ value_free_to_mark (mark);
+}
+
+static struct type*
+printable_val_type (type, valaddr)
+ struct type* type;
+ char* valaddr;
+{
+ return ada_to_fixed_type (ada_aligned_type (type), valaddr, 0, NULL);
+}
+
+/* Print the character C on STREAM as part of the contents of a literal
+ string whose delimiter is QUOTER. TYPE_LEN is the length in bytes
+ (1 or 2) of the character. */
+
+void
+ada_emit_char (c, stream, quoter, type_len)
+ int c;
+ struct ui_file *stream;
+ int quoter;
+ int type_len;
+{
+ if (type_len != 2)
+ type_len = 1;
+
+ c &= (1 << (type_len * TARGET_CHAR_BIT)) - 1;
+
+ if (isascii (c) && isprint (c))
+ {
+ if (c == quoter && c == '"')
+ fprintf_filtered (stream, "[\"%c\"]", quoter);
+ else
+ fprintf_filtered (stream, "%c", c);
+ }
+ else
+ fprintf_filtered (stream, "[\"%0*x\"]", type_len*2, c);
+}
+
+/* Character #I of STRING, given that TYPE_LEN is the size in bytes (1
+ or 2) of a character. */
+
+static int
+char_at (string, i, type_len)
+ char* string;
+ int i;
+ int type_len;
+{
+ if (type_len == 1)
+ return string[i];
+ else
+ return (int) extract_unsigned_integer (string + 2*i, 2);
+}
+
+void
+ada_printchar (c, stream)
+ int c;
+ struct ui_file *stream;
+{
+ fputs_filtered ("'", stream);
+ ada_emit_char (c, stream, '\'', 1);
+ fputs_filtered ("'", stream);
+}
+
+/* [From print_type_scalar in typeprint.c]. Print VAL on STREAM in a
+ form appropriate for TYPE. */
+
+void
+ada_print_scalar (type, val, stream)
+ struct type *type;
+ LONGEST val;
+ struct ui_file *stream;
+{
+ unsigned int i;
+ unsigned len;
+
+ CHECK_TYPEDEF (type);
+
+ switch (TYPE_CODE (type))
+ {
+
+ case TYPE_CODE_ENUM:
+ len = TYPE_NFIELDS (type);
+ for (i = 0; i < len; i++)
+ {
+ if (TYPE_FIELD_BITPOS (type, i) == val)
+ {
+ break;
+ }
+ }
+ if (i < len)
+ {
+ fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream);
+ }
+ else
+ {
+ print_longest (stream, 'd', 0, val);
+ }
+ break;
+
+ case TYPE_CODE_INT:
+ print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, val);
+ break;
+
+ case TYPE_CODE_CHAR:
+ LA_PRINT_CHAR ((unsigned char) val, stream);
+ break;
+
+ case TYPE_CODE_BOOL:
+ fprintf_filtered (stream, val ? "true" : "false");
+ break;
+
+ case TYPE_CODE_RANGE:
+ ada_print_scalar (TYPE_TARGET_TYPE (type), val, stream);
+ return;
+
+ case TYPE_CODE_UNDEF:
+ case TYPE_CODE_PTR:
+ case TYPE_CODE_ARRAY:
+ case TYPE_CODE_STRUCT:
+ case TYPE_CODE_UNION:
+ case TYPE_CODE_FUNC:
+ case TYPE_CODE_FLT:
+ case TYPE_CODE_VOID:
+ case TYPE_CODE_SET:
+ case TYPE_CODE_STRING:
+ case TYPE_CODE_ERROR:
+ case TYPE_CODE_MEMBER:
+ case TYPE_CODE_METHOD:
+ case TYPE_CODE_REF:
+ warning ("internal error: unhandled type in ada_print_scalar");
+ break;
+
+ default:
+ error ("Invalid type code in symbol table.");
+ }
+ gdb_flush (stream);
+}
+
+/* Print the character string STRING, printing at most LENGTH characters.
+ Printing stops early if the number hits print_max; repeat counts
+ are printed as appropriate. Print ellipses at the end if we
+ had to stop before printing LENGTH characters, or if
+ FORCE_ELLIPSES. TYPE_LEN is the length (1 or 2) of the character type.
+ */
+
+static void
+printstr (stream, string, length, force_ellipses, type_len)
+ struct ui_file *stream;
+ char *string;
+ unsigned int length;
+ int force_ellipses;
+ int type_len;
+{
+ unsigned int i;
+ unsigned int things_printed = 0;
+ int in_quotes = 0;
+ int need_comma = 0;
+
+ if (length == 0)
+ {
+ fputs_filtered ("\"\"", stream);
+ return;
+ }
+
+ for (i = 0; i < length && things_printed < print_max; i += 1)
+ {
+ /* Position of the character we are examining
+ to see whether it is repeated. */
+ unsigned int rep1;
+ /* Number of repetitions we have detected so far. */
+ unsigned int reps;
+
+ QUIT;
+
+ if (need_comma)
+ {
+ fputs_filtered (", ", stream);
+ need_comma = 0;
+ }
+
+ rep1 = i + 1;
+ reps = 1;
+ while (rep1 < length &&
+ char_at(string, rep1, type_len) == char_at (string, i, type_len))
+ {
+ rep1 += 1;
+ reps += 1;
+ }
+
+ if (reps > repeat_count_threshold)
+ {
+ if (in_quotes)
+ {
+ if (inspect_it)
+ fputs_filtered ("\\\", ", stream);
+ else
+ fputs_filtered ("\", ", stream);
+ in_quotes = 0;
+ }
+ fputs_filtered ("'", stream);
+ ada_emit_char (char_at (string, i, type_len), stream, '\'', type_len);
+ fputs_filtered ("'", stream);
+ fprintf_filtered (stream, " <repeats %u times>", reps);
+ i = rep1 - 1;
+ things_printed += repeat_count_threshold;
+ need_comma = 1;
+ }
+ else
+ {
+ if (!in_quotes)
+ {
+ if (inspect_it)
+ fputs_filtered ("\\\"", stream);
+ else
+ fputs_filtered ("\"", stream);
+ in_quotes = 1;
+ }
+ ada_emit_char (char_at (string, i, type_len), stream, '"',
+ type_len);
+ things_printed += 1;
+ }
+ }
+
+ /* Terminate the quotes if necessary. */
+ if (in_quotes)
+ {
+ if (inspect_it)
+ fputs_filtered ("\\\"", stream);
+ else
+ fputs_filtered ("\"", stream);
+ }
+
+ if (force_ellipses || i < length)
+ fputs_filtered ("...", stream);
+}
+
+void
+ada_printstr (stream, string, length, force_ellipses, width)
+ struct ui_file *stream;
+ char *string;
+ unsigned int length;
+ int force_ellipses;
+ int width;
+{
+ printstr (stream, string, length, force_ellipses, width);
+}
+
+
+/* Print data of type TYPE located at VALADDR (within GDB), which came from
+ the inferior at address ADDRESS, onto stdio stream STREAM according to
+ FORMAT (a letter as for the printf % codes or 0 for natural format).
+ The data at VALADDR is in target byte order.
+
+ If the data is printed as a string, returns the number of string characters
+ printed.
+
+ If DEREF_REF is nonzero, then dereference references, otherwise just print
+ them like pointers.
+
+ RECURSE indicates the amount of indentation to supply before
+ continuation lines; this amount is roughly twice the value of RECURSE.
+
+ When PRETTY is non-zero, prints record fields on separate lines.
+ (For some reason, the current version of gdb instead uses a global
+ variable---prettyprint_arrays--- to causes a similar effect on
+ arrays.) */
+
+int
+ada_val_print (type, valaddr0, embedded_offset, address, stream,
+ format, deref_ref, recurse, pretty)
+ struct type* type;
+ char* valaddr0;
+ int embedded_offset;
+ CORE_ADDR address;
+ struct ui_file *stream;
+ int format;
+ int deref_ref;
+ int recurse;
+ enum val_prettyprint pretty;
+{
+ struct ada_val_print_args args;
+ args.type = type; args.valaddr0 = valaddr0;
+ args.embedded_offset = embedded_offset;
+ args.address = address;
+ args.stream = stream;
+ args.format = format;
+ args.deref_ref = deref_ref;
+ args.recurse = recurse;
+ args.pretty = pretty;
+
+ return catch_errors (ada_val_print_stub, &args, NULL, RETURN_MASK_ALL);
+}
+
+/* Helper for ada_val_print; used as argument to catch_errors to
+ unmarshal the arguments to ada_val_print_1, which does the work. */
+static int
+ada_val_print_stub (PTR args0)
+{
+ struct ada_val_print_args* argsp = (struct ada_val_print_args*) args0;
+ return ada_val_print_1 (argsp->type, argsp->valaddr0, argsp->embedded_offset,
+ argsp->address, argsp->stream, argsp->format,
+ argsp->deref_ref, argsp->recurse,
+ argsp->pretty);
+}
+
+/* See the comment on ada_val_print. This function differs in that it
+ * does not catch evaluation errors (leaving that to ada_val_print). */
+
+static int
+ada_val_print_1 (type, valaddr0, embedded_offset, address, stream,
+ format, deref_ref, recurse, pretty)
+ struct type* type;
+ char* valaddr0;
+ int embedded_offset;
+ CORE_ADDR address;
+ struct ui_file *stream;
+ int format;
+ int deref_ref;
+ int recurse;
+ enum val_prettyprint pretty;
+{
+ unsigned int len;
+ int i;
+ struct type *elttype;
+ unsigned int eltlen;
+ LONGEST val;
+ CORE_ADDR addr;
+ char* valaddr = valaddr0 + embedded_offset;
+
+ CHECK_TYPEDEF (type);
+
+ if (ada_is_array_descriptor (type) || ada_is_packed_array_type (type))
+ {
+ int retn;
+ struct value* mark = value_mark ();
+ struct value* val;
+ val = value_from_contents_and_address (type, valaddr, address);
+ val = ada_coerce_to_simple_array_ptr (val);
+ if (val == NULL)
+ {
+ fprintf_filtered (stream, "(null)");
+ retn = 0;
+ }
+ else
+ retn = ada_val_print_1 (VALUE_TYPE (val), VALUE_CONTENTS (val), 0,
+ VALUE_ADDRESS (val), stream, format,
+ deref_ref, recurse, pretty);
+ value_free_to_mark (mark);
+ return retn;
+ }
+
+ valaddr = ada_aligned_value_addr (type, valaddr);
+ embedded_offset -= valaddr - valaddr0 - embedded_offset;
+ type = printable_val_type (type, valaddr);
+
+ switch (TYPE_CODE (type))
+ {
+ default:
+ return c_val_print (type, valaddr0, embedded_offset, address, stream,
+ format, deref_ref, recurse, pretty);
+
+ case TYPE_CODE_INT:
+ case TYPE_CODE_RANGE:
+ if (ada_is_fixed_point_type (type))
+ {
+ LONGEST v = unpack_long (type, valaddr);
+ int len = TYPE_LENGTH (type);
+
+ fprintf_filtered (stream, len < 4 ? "%.11g" : "%.17g",
+ (double) ada_fixed_to_float (type, v));
+ return 0;
+ }
+ else if (ada_is_vax_floating_type (type))
+ {
+ struct value* val =
+ value_from_contents_and_address (type, valaddr, address);
+ struct value* func = ada_vax_float_print_function (type);
+ if (func != 0)
+ {
+ static struct type* parray_of_char = NULL;
+ struct value* printable_val;
+
+ if (parray_of_char == NULL)
+ parray_of_char =
+ make_pointer_type
+ (create_array_type
+ (NULL, builtin_type_char,
+ create_range_type (NULL, builtin_type_int, 0, 32)),
+ NULL);
+
+ printable_val =
+ value_ind (value_cast (parray_of_char,
+ call_function_by_hand (func, 1, &val)));
+
+ fprintf_filtered (stream, "%s", VALUE_CONTENTS (printable_val));
+ return 0;
+ }
+ /* No special printing function. Do as best we can. */
+ }
+ else if (TYPE_CODE (type) == TYPE_CODE_RANGE)
+ {
+ struct type* target_type = TYPE_TARGET_TYPE (type);
+ if (TYPE_LENGTH (type) != TYPE_LENGTH (target_type))
+ {
+ /* Obscure case of range type that has different length from
+ its base type. Perform a conversion, or we will get a
+ nonsense value. Actually, we could use the same
+ code regardless of lengths; I'm just avoiding a cast. */
+ struct value* v =
+ value_cast (target_type,
+ value_from_contents_and_address (type, valaddr, 0));
+ return ada_val_print_1 (target_type, VALUE_CONTENTS (v), 0, 0,
+ stream, format, 0, recurse + 1, pretty);
+ }
+ else
+ return ada_val_print_1 (TYPE_TARGET_TYPE (type),
+ valaddr0, embedded_offset,
+ address, stream, format, deref_ref,
+ recurse, pretty);
+ }
+ else
+ {
+ format = format ? format : output_format;
+ if (format)
+ {
+ print_scalar_formatted (valaddr, type, format, 0, stream);
+ }
+ else
+ {
+ val_print_type_code_int (type, valaddr, stream);
+ if (ada_is_character_type (type))
+ {
+ fputs_filtered (" ", stream);
+ ada_printchar ((unsigned char) unpack_long (type, valaddr),
+ stream);
+ }
+ }
+ return 0;
+ }
+
+ case TYPE_CODE_ENUM:
+ if (format)
+ {
+ print_scalar_formatted (valaddr, type, format, 0, stream);
+ break;
+ }
+ len = TYPE_NFIELDS (type);
+ val = unpack_long (type, valaddr);
+ for (i = 0; i < len; i++)
+ {
+ QUIT;
+ if (val == TYPE_FIELD_BITPOS (type, i))
+ {
+ break;
+ }
+ }
+ if (i < len)
+ {
+ const char* name = ada_enum_name (TYPE_FIELD_NAME (type, i));
+ if (name[0] == '\'')
+ fprintf_filtered (stream, "%ld %s", (long) val, name);
+ else
+ fputs_filtered (name, stream);
+ }
+ else
+ {
+ print_longest (stream, 'd', 0, val);
+ }
+ break;
+
+ case TYPE_CODE_UNION:
+ case TYPE_CODE_STRUCT:
+ if (ada_is_bogus_array_descriptor (type))
+ {
+ fprintf_filtered (stream, "(...?)");
+ return 0;
+ }
+ else
+ {
+ print_record (type, valaddr, stream, format,
+ recurse, pretty);
+ return 0;
+ }
+
+ case TYPE_CODE_ARRAY:
+ if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
+ {
+ elttype = TYPE_TARGET_TYPE (type);
+ eltlen = TYPE_LENGTH (elttype);
+ len = TYPE_LENGTH (type) / eltlen;
+
+ /* For an array of chars, print with string syntax. */
+ if (ada_is_string_type (type)
+ && (format == 0 || format == 's'))
+ {
+ if (prettyprint_arrays)
+ {
+ print_spaces_filtered (2 + 2 * recurse, stream);
+ }
+ /* If requested, look for the first null char and only print
+ elements up to it. */
+ if (stop_print_at_null)
+ {
+ int temp_len;
+
+ /* Look for a NULL char. */
+ for (temp_len = 0;
+ temp_len < len && temp_len < print_max
+ && char_at (valaddr, temp_len, eltlen) != 0;
+ temp_len += 1);
+ len = temp_len;
+ }
+
+ printstr (stream, valaddr, len, 0, eltlen);
+ }
+ else
+ {
+ len = 0;
+ fprintf_filtered (stream, "(");
+ print_optional_low_bound (stream, type);
+ if (TYPE_FIELD_BITSIZE (type, 0) > 0)
+ val_print_packed_array_elements (type, valaddr, 0, stream,
+ format, recurse,
+ pretty);
+ else
+ val_print_array_elements (type, valaddr, address, stream,
+ format, deref_ref, recurse,
+ pretty, 0);
+ fprintf_filtered (stream, ")");
+ }
+ gdb_flush (stream);
+ return len;
+ }
+
+ case TYPE_CODE_REF:
+ elttype = check_typedef (TYPE_TARGET_TYPE (type));
+ if (addressprint)
+ {
+ fprintf_filtered (stream, "@");
+ print_address_numeric
+ (extract_address (valaddr,
+ TARGET_PTR_BIT / HOST_CHAR_BIT), 1, stream);
+ if (deref_ref)
+ fputs_filtered (": ", stream);
+ }
+ /* De-reference the reference */
+ if (deref_ref)
+ {
+ if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
+ {
+ LONGEST deref_val_int = (LONGEST)
+ unpack_pointer (lookup_pointer_type (builtin_type_void),
+ valaddr);
+ if (deref_val_int != 0)
+ {
+ struct value* deref_val =
+ ada_value_ind (value_from_longest
+ (lookup_pointer_type (elttype),
+ deref_val_int));
+ val_print (VALUE_TYPE (deref_val),
+ VALUE_CONTENTS (deref_val), 0,
+ VALUE_ADDRESS (deref_val), stream, format,
+ deref_ref, recurse + 1, pretty);
+ }
+ else
+ fputs_filtered ("(null)", stream);
+ }
+ else
+ fputs_filtered ("???", stream);
+ }
+ break;
+ }
+ return 0;
+}
+
+static int
+print_variant_part (type, field_num, valaddr,
+ stream, format, recurse, pretty, comma_needed,
+ outer_type, outer_valaddr)
+ struct type *type;
+ int field_num;
+ char *valaddr;
+ struct ui_file *stream;
+ int format;
+ int recurse;
+ enum val_prettyprint pretty;
+ int comma_needed;
+ struct type *outer_type;
+ char *outer_valaddr;
+{
+ struct type *var_type = TYPE_FIELD_TYPE (type, field_num);
+ int which =
+ ada_which_variant_applies (var_type, outer_type, outer_valaddr);
+
+ if (which < 0)
+ return 0;
+ else
+ return print_field_values
+ (TYPE_FIELD_TYPE (var_type, which),
+ valaddr + TYPE_FIELD_BITPOS (type, field_num) / HOST_CHAR_BIT
+ + TYPE_FIELD_BITPOS (var_type, which) / HOST_CHAR_BIT,
+ stream, format, recurse, pretty,
+ comma_needed, outer_type, outer_valaddr);
+}
+
+int
+ada_value_print (val0, stream, format, pretty)
+ struct value* val0;
+ struct ui_file *stream;
+ int format;
+ enum val_prettyprint pretty;
+{
+ char* valaddr = VALUE_CONTENTS (val0);
+ CORE_ADDR address = VALUE_ADDRESS (val0) + VALUE_OFFSET (val0);
+ struct type* type =
+ ada_to_fixed_type (VALUE_TYPE (val0), valaddr, address, NULL);
+ struct value* val = value_from_contents_and_address (type, valaddr, address);
+
+ /* If it is a pointer, indicate what it points to. */
+ if (TYPE_CODE (type) == TYPE_CODE_PTR ||
+ TYPE_CODE (type) == TYPE_CODE_REF)
+ {
+ /* Hack: remove (char *) for char strings. Their
+ type is indicated by the quoted string anyway. */
+ if (TYPE_CODE (type) == TYPE_CODE_PTR &&
+ TYPE_LENGTH (TYPE_TARGET_TYPE (type)) == sizeof(char) &&
+ TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_INT &&
+ !TYPE_UNSIGNED (TYPE_TARGET_TYPE (type)))
+ {
+ /* Print nothing */
+ }
+ else
+ {
+ fprintf_filtered (stream, "(");
+ type_print (type, "", stream, -1);
+ fprintf_filtered (stream, ") ");
+ }
+ }
+ else if (ada_is_array_descriptor (type))
+ {
+ fprintf_filtered (stream, "(");
+ type_print (type, "", stream, -1);
+ fprintf_filtered (stream, ") ");
+ }
+ else if (ada_is_bogus_array_descriptor (type))
+ {
+ fprintf_filtered (stream, "(");
+ type_print (type, "", stream, -1);
+ fprintf_filtered (stream, ") (...?)");
+ return 0;
+ }
+ return (val_print (type, VALUE_CONTENTS (val), 0, address,
+ stream, format, 1, 0, pretty));
+}
+
+static void
+print_record (type, valaddr, stream, format, recurse, pretty)
+ struct type *type;
+ char *valaddr;
+ struct ui_file *stream;
+ int format;
+ int recurse;
+ enum val_prettyprint pretty;
+{
+ CHECK_TYPEDEF (type);
+
+ fprintf_filtered (stream, "(");
+
+ if (print_field_values (type, valaddr, stream, format, recurse, pretty,
+ 0, type, valaddr) != 0
+ && pretty)
+ {
+ fprintf_filtered (stream, "\n");
+ print_spaces_filtered (2 * recurse, stream);
+ }
+
+ fprintf_filtered (stream, ")");
+}
+
+/* Print out fields of value at VALADDR having structure type TYPE.
+
+ TYPE, VALADDR, STREAM, FORMAT, RECURSE, and PRETTY have the
+ same meanings as in ada_print_value and ada_val_print.
+
+ OUTER_TYPE and OUTER_VALADDR give type and address of enclosing record
+ (used to get discriminant values when printing variant parts).
+
+ COMMA_NEEDED is 1 if fields have been printed at the current recursion
+ level, so that a comma is needed before any field printed by this
+ call.
+
+ Returns 1 if COMMA_NEEDED or any fields were printed. */
+
+static int
+print_field_values (type, valaddr, stream, format, recurse, pretty,
+ comma_needed, outer_type, outer_valaddr)
+ struct type *type;
+ char *valaddr;
+ struct ui_file *stream;
+ int format;
+ int recurse;
+ enum val_prettyprint pretty;
+ int comma_needed;
+ struct type *outer_type;
+ char *outer_valaddr;
+{
+ int i, len;
+
+ len = TYPE_NFIELDS (type);
+
+ for (i = 0; i < len; i += 1)
+ {
+ if (ada_is_ignored_field (type, i))
+ continue;
+
+ if (ada_is_wrapper_field (type, i))
+ {
+ comma_needed =
+ print_field_values (TYPE_FIELD_TYPE (type, i),
+ valaddr
+ + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT,
+ stream, format, recurse, pretty,
+ comma_needed, type, valaddr);
+ continue;
+ }
+ else if (ada_is_variant_part (type, i))
+ {
+ comma_needed =
+ print_variant_part (type, i, valaddr,
+ stream, format, recurse, pretty, comma_needed,
+ outer_type, outer_valaddr);
+ continue;
+ }
+
+ if (comma_needed)
+ fprintf_filtered (stream, ", ");
+ comma_needed = 1;
+
+ if (pretty)
+ {
+ fprintf_filtered (stream, "\n");
+ print_spaces_filtered (2 + 2 * recurse, stream);
+ }
+ else
+ {
+ wrap_here (n_spaces (2 + 2 * recurse));
+ }
+ if (inspect_it)
+ {
+ if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR)
+ fputs_filtered ("\"( ptr \"", stream);
+ else
+ fputs_filtered ("\"( nodef \"", stream);
+ fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
+ language_cplus, DMGL_NO_OPTS);
+ fputs_filtered ("\" \"", stream);
+ fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
+ language_cplus, DMGL_NO_OPTS);
+ fputs_filtered ("\") \"", stream);
+ }
+ else
+ {
+ annotate_field_begin (TYPE_FIELD_TYPE (type, i));
+ fprintf_filtered (stream, "%.*s",
+ ada_name_prefix_len (TYPE_FIELD_NAME (type, i)),
+ TYPE_FIELD_NAME (type, i));
+ annotate_field_name_end ();
+ fputs_filtered (" => ", stream);
+ annotate_field_value ();
+ }
+
+ if (TYPE_FIELD_PACKED (type, i))
+ {
+ struct value* v;
+
+ /* Bitfields require special handling, especially due to byte
+ order problems. */
+ if (TYPE_CPLUS_SPECIFIC (type) != NULL
+ && TYPE_FIELD_IGNORE (type, i))
+ {
+ fputs_filtered ("<optimized out or zero length>", stream);
+ }
+ else
+ {
+ int bit_pos = TYPE_FIELD_BITPOS (type, i);
+ int bit_size = TYPE_FIELD_BITSIZE (type, i);
+
+ adjust_type_signedness (TYPE_FIELD_TYPE (type, i));
+ v = ada_value_primitive_packed_val (NULL, valaddr,
+ bit_pos / HOST_CHAR_BIT,
+ bit_pos % HOST_CHAR_BIT,
+ bit_size,
+ TYPE_FIELD_TYPE (type, i));
+ val_print (TYPE_FIELD_TYPE(type, i), VALUE_CONTENTS (v), 0, 0,
+ stream, format, 0, recurse + 1, pretty);
+ }
+ }
+ else
+ ada_val_print (TYPE_FIELD_TYPE (type, i),
+ valaddr + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT,
+ 0, 0, stream, format, 0, recurse + 1, pretty);
+ annotate_field_end ();
+ }
+
+ return comma_needed;
+}