/* Support for printing Pascal values for GDB, the GNU debugger.
- Copyright (C) 2000, 2001, 2003, 2005, 2006, 2007, 2008, 2009, 2010
- Free Software Foundation, Inc.
+ Copyright (C) 2000-2020 Free Software Foundation, Inc.
This file is part of GDB.
#include "p-lang.h"
#include "cp-abi.h"
#include "cp-support.h"
+#include "objfiles.h"
+#include "gdbsupport/byte-vector.h"
+#include "cli/cli-style.h"
\f
+static void pascal_object_print_value_fields (struct value *, struct ui_file *,
+ int,
+ const struct value_print_options *,
+ struct type **, int);
+/* Decorations for Pascal. */
-/* Print data of type TYPE located at VALADDR (within GDB), which came from
- the inferior at address ADDRESS, onto stdio stream STREAM according to
- OPTIONS. The data at VALADDR is in target byte order.
-
- If the data are a string pointer, returns the number of string characters
- printed. */
+static const struct generic_val_print_decorations p_decorations =
+{
+ "",
+ " + ",
+ " * I",
+ "true",
+ "false",
+ "void",
+ "{",
+ "}"
+};
+
+/* See p-lang.h. */
+void
+pascal_value_print_inner (struct value *val, struct ui_file *stream,
+ int recurse,
+ const struct value_print_options *options)
-int
-pascal_val_print (struct type *type, const gdb_byte *valaddr,
- int embedded_offset, CORE_ADDR address,
- struct ui_file *stream, int recurse,
- const struct value_print_options *options)
{
+ struct type *type = check_typedef (value_type (val));
struct gdbarch *gdbarch = get_type_arch (type);
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ enum bfd_endian byte_order = type_byte_order (type);
unsigned int i = 0; /* Number of characters printed */
unsigned len;
struct type *elttype;
unsigned eltlen;
int length_pos, length_size, string_pos;
struct type *char_type;
- LONGEST val;
CORE_ADDR addr;
+ int want_space = 0;
+ const gdb_byte *valaddr = value_contents_for_printing (val);
- CHECK_TYPEDEF (type);
- switch (TYPE_CODE (type))
+ switch (type->code ())
{
case TYPE_CODE_ARRAY:
- if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
- {
- elttype = check_typedef (TYPE_TARGET_TYPE (type));
- eltlen = TYPE_LENGTH (elttype);
- len = TYPE_LENGTH (type) / eltlen;
- if (options->prettyprint_arrays)
- {
- print_spaces_filtered (2 + 2 * recurse, stream);
- }
- /* For an array of chars, print with string syntax. */
- if ((eltlen == 1 || eltlen == 2 || eltlen == 4)
- && ((TYPE_CODE (elttype) == TYPE_CODE_INT)
- || ((current_language->la_language == language_pascal)
- && (TYPE_CODE (elttype) == TYPE_CODE_CHAR)))
- && (options->format == 0 || options->format == 's'))
- {
- /* 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;
-
- /* Look for a NULL char. */
- for (temp_len = 0;
- extract_unsigned_integer (valaddr + embedded_offset +
- temp_len * eltlen, eltlen,
- byte_order)
- && temp_len < len && temp_len < options->print_max;
- temp_len++);
- len = temp_len;
- }
-
- LA_PRINT_STRING (stream, TYPE_TARGET_TYPE (type),
- valaddr + embedded_offset, len, 0,
- 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 (pascal_object_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, options, i);
- fprintf_filtered (stream, "}");
- }
- break;
- }
- /* Array of unspecified length: treat like pointer to first elt. */
- addr = address;
+ {
+ LONGEST low_bound, high_bound;
+
+ if (get_array_bounds (type, &low_bound, &high_bound))
+ {
+ len = high_bound - low_bound + 1;
+ elttype = check_typedef (TYPE_TARGET_TYPE (type));
+ eltlen = TYPE_LENGTH (elttype);
+ /* If 's' format is used, try to print out as string.
+ If no format is given, print as string if element type
+ is of TYPE_CODE_CHAR and element size is 1,2 or 4. */
+ if (options->format == 's'
+ || ((eltlen == 1 || eltlen == 2 || eltlen == 4)
+ && elttype->code () == TYPE_CODE_CHAR
+ && options->format == 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;
+
+ /* Look for a NULL char. */
+ for (temp_len = 0;
+ extract_unsigned_integer (valaddr + temp_len * eltlen,
+ eltlen, byte_order)
+ && temp_len < len && temp_len < options->print_max;
+ temp_len++);
+ len = temp_len;
+ }
+
+ LA_PRINT_STRING (stream, TYPE_TARGET_TYPE (type),
+ valaddr, len, NULL, 0, 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 (pascal_object_is_vtbl_ptr_type (elttype))
+ {
+ i = 1;
+ fprintf_filtered (stream, "%d vtable entries", len - 1);
+ }
+ else
+ {
+ i = 0;
+ }
+ value_print_array_elements (val, stream, recurse, options, i);
+ fprintf_filtered (stream, "}");
+ }
+ break;
+ }
+ /* Array of unspecified length: treat like pointer to first elt. */
+ addr = value_address (val);
+ }
goto print_unpacked_pointer;
case TYPE_CODE_PTR:
if (options->format && options->format != 's')
{
- print_scalar_formatted (valaddr + embedded_offset, type,
- options, 0, stream);
+ value_print_scalar_formatted (val, options, 0, stream);
break;
}
if (options->vtblprint && pascal_object_is_vtbl_ptr_type (type))
{
/* Print the unmangled name if desired. */
/* Print vtable entry - we only get here if we ARE using
- -fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */
+ -fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */
/* Extract the address, assume that it is unsigned. */
- addr = extract_unsigned_integer (valaddr + embedded_offset,
+ addr = extract_unsigned_integer (valaddr,
TYPE_LENGTH (type), byte_order);
- print_address_demangle (gdbarch, addr, stream, demangle);
+ print_address_demangle (options, gdbarch, addr, stream, demangle);
break;
}
+ check_typedef (TYPE_TARGET_TYPE (type));
+
+ addr = unpack_pointer (type, valaddr);
+ print_unpacked_pointer:
elttype = check_typedef (TYPE_TARGET_TYPE (type));
- {
- addr = unpack_pointer (type, valaddr + embedded_offset);
- print_unpacked_pointer:
- elttype = check_typedef (TYPE_TARGET_TYPE (type));
- if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
+ if (elttype->code () == TYPE_CODE_FUNC)
+ {
+ /* Try to print what function it points to. */
+ print_address_demangle (options, gdbarch, addr, stream, demangle);
+ return;
+ }
+
+ if (options->addressprint && options->format != 's')
+ {
+ fputs_filtered (paddress (gdbarch, addr), stream);
+ want_space = 1;
+ }
+
+ /* For a pointer to char or unsigned char, also print the string
+ pointed to, unless pointer is null. */
+ if (((TYPE_LENGTH (elttype) == 1
+ && (elttype->code () == TYPE_CODE_INT
+ || elttype->code () == TYPE_CODE_CHAR))
+ || ((TYPE_LENGTH (elttype) == 2 || TYPE_LENGTH (elttype) == 4)
+ && elttype->code () == TYPE_CODE_CHAR))
+ && (options->format == 0 || options->format == 's')
+ && addr != 0)
+ {
+ if (want_space)
+ fputs_filtered (" ", stream);
+ /* No wide string yet. */
+ i = val_print_string (elttype, NULL, addr, -1, stream, options);
+ }
+ /* Also for pointers to pascal strings. */
+ /* Note: this is Free Pascal specific:
+ as GDB does not recognize stabs pascal strings
+ Pascal strings are mapped to records
+ with lowercase names PM. */
+ if (is_pascal_string_type (elttype, &length_pos, &length_size,
+ &string_pos, &char_type, NULL)
+ && addr != 0)
+ {
+ ULONGEST string_length;
+ gdb_byte *buffer;
+
+ if (want_space)
+ fputs_filtered (" ", stream);
+ buffer = (gdb_byte *) xmalloc (length_size);
+ read_memory (addr + length_pos, buffer, length_size);
+ string_length = extract_unsigned_integer (buffer, length_size,
+ byte_order);
+ xfree (buffer);
+ i = val_print_string (char_type, NULL,
+ addr + string_pos, string_length,
+ stream, options);
+ }
+ else if (pascal_object_is_vtbl_member (type))
+ {
+ /* Print vtbl's nicely. */
+ CORE_ADDR vt_address = unpack_pointer (type, valaddr);
+ struct bound_minimal_symbol msymbol =
+ lookup_minimal_symbol_by_pc (vt_address);
+
+ /* If 'symbol_print' is set, we did the work above. */
+ if (!options->symbol_print
+ && (msymbol.minsym != NULL)
+ && (vt_address == BMSYMBOL_VALUE_ADDRESS (msymbol)))
{
- /* Try to print what function it points to. */
- print_address_demangle (gdbarch, addr, stream, demangle);
- /* Return value is irrelevant except for string pointers. */
- return (0);
+ if (want_space)
+ fputs_filtered (" ", stream);
+ fputs_filtered ("<", stream);
+ fputs_filtered (msymbol.minsym->print_name (), stream);
+ fputs_filtered (">", stream);
+ want_space = 1;
}
-
- if (options->addressprint && options->format != 's')
+ if (vt_address && options->vtblprint)
{
- fputs_filtered (paddress (gdbarch, addr), stream);
- }
+ struct value *vt_val;
+ struct symbol *wsym = NULL;
+ struct type *wtype;
- /* For a pointer to char or unsigned char, also print the string
- pointed to, unless pointer is null. */
- if (((TYPE_LENGTH (elttype) == 1
- && (TYPE_CODE (elttype) == TYPE_CODE_INT
- || TYPE_CODE (elttype) == TYPE_CODE_CHAR))
- || ((TYPE_LENGTH (elttype) == 2 || TYPE_LENGTH (elttype) == 4)
- && TYPE_CODE (elttype) == TYPE_CODE_CHAR))
- && (options->format == 0 || options->format == 's')
- && addr != 0)
- {
- /* no wide string yet */
- i = val_print_string (elttype, addr, -1, stream, options);
- }
- /* also for pointers to pascal strings */
- /* Note: this is Free Pascal specific:
- as GDB does not recognize stabs pascal strings
- Pascal strings are mapped to records
- with lowercase names PM */
- if (is_pascal_string_type (elttype, &length_pos, &length_size,
- &string_pos, &char_type, NULL)
- && addr != 0)
- {
- ULONGEST string_length;
- void *buffer;
- buffer = xmalloc (length_size);
- read_memory (addr + length_pos, buffer, length_size);
- string_length = extract_unsigned_integer (buffer, length_size,
- byte_order);
- xfree (buffer);
- i = val_print_string (char_type ,addr + string_pos, string_length, stream, options);
- }
- else if (pascal_object_is_vtbl_member (type))
- {
- /* print vtbl's nicely */
- CORE_ADDR vt_address = unpack_pointer (type, valaddr + embedded_offset);
+ if (want_space)
+ fputs_filtered (" ", stream);
- struct minimal_symbol *msymbol =
- lookup_minimal_symbol_by_pc (vt_address);
- if ((msymbol != NULL)
- && (vt_address == SYMBOL_VALUE_ADDRESS (msymbol)))
+ if (msymbol.minsym != NULL)
{
- fputs_filtered (" <", stream);
- fputs_filtered (SYMBOL_PRINT_NAME (msymbol), stream);
- fputs_filtered (">", stream);
+ const char *search_name = msymbol.minsym->search_name ();
+ wsym = lookup_symbol_search_name (search_name, NULL,
+ VAR_DOMAIN).symbol;
}
- if (vt_address && options->vtblprint)
- {
- struct value *vt_val;
- struct symbol *wsym = (struct symbol *) NULL;
- struct type *wtype;
- struct block *block = (struct block *) NULL;
- int is_this_fld;
-
- if (msymbol != NULL)
- wsym = lookup_symbol (SYMBOL_LINKAGE_NAME (msymbol), block,
- VAR_DOMAIN, &is_this_fld);
- if (wsym)
- {
- wtype = SYMBOL_TYPE (wsym);
- }
- else
- {
- wtype = TYPE_TARGET_TYPE (type);
- }
- vt_val = value_at (wtype, vt_address);
- common_val_print (vt_val, stream, recurse + 1, options,
- current_language);
- if (options->pretty)
- {
- fprintf_filtered (stream, "\n");
- print_spaces_filtered (2 + 2 * recurse, stream);
- }
+ if (wsym)
+ {
+ wtype = SYMBOL_TYPE (wsym);
+ }
+ else
+ {
+ wtype = TYPE_TARGET_TYPE (type);
+ }
+ vt_val = value_at (wtype, vt_address);
+ common_val_print (vt_val, stream, recurse + 1, options,
+ current_language);
+ if (options->prettyformat)
+ {
+ fprintf_filtered (stream, "\n");
+ print_spaces_filtered (2 + 2 * recurse, stream);
}
}
-
- /* Return number of characters printed, including the terminating
- '\0' if we reached the end. val_print_string takes care including
- the terminating '\0' if necessary. */
- return i;
}
- break;
+
+ return;
case TYPE_CODE_REF:
- elttype = check_typedef (TYPE_TARGET_TYPE (type));
- if (options->addressprint)
- {
- CORE_ADDR addr
- = extract_typed_address (valaddr + embedded_offset, type);
- fprintf_filtered (stream, "@");
- fputs_filtered (paddress (gdbarch, addr), stream);
- if (options->deref_ref)
- fputs_filtered (": ", stream);
- }
- /* De-reference the reference. */
- if (options->deref_ref)
- {
- if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
- {
- struct value *deref_val =
- value_at
- (TYPE_TARGET_TYPE (type),
- unpack_pointer (type, valaddr + embedded_offset));
- common_val_print (deref_val, stream, recurse + 1, options,
- current_language);
- }
- else
- fputs_filtered ("???", stream);
- }
+ case TYPE_CODE_ENUM:
+ case TYPE_CODE_FLAGS:
+ case TYPE_CODE_FUNC:
+ case TYPE_CODE_RANGE:
+ case TYPE_CODE_INT:
+ case TYPE_CODE_FLT:
+ case TYPE_CODE_VOID:
+ case TYPE_CODE_ERROR:
+ case TYPE_CODE_UNDEF:
+ case TYPE_CODE_BOOL:
+ case TYPE_CODE_CHAR:
+ generic_value_print (val, stream, recurse, options, &p_decorations);
break;
case TYPE_CODE_UNION:
{
/* Print the unmangled name if desired. */
/* Print vtable entry - we only get here if NOT using
- -fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */
+ -fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */
/* Extract the address, assume that it is unsigned. */
print_address_demangle
- (gdbarch,
- extract_unsigned_integer (valaddr + embedded_offset + TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8,
- TYPE_LENGTH (TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET)), byte_order),
+ (options, gdbarch,
+ extract_unsigned_integer (valaddr
+ + TYPE_FIELD_BITPOS (type,
+ VTBL_FNADDR_OFFSET) / 8,
+ TYPE_LENGTH (TYPE_FIELD_TYPE (type,
+ VTBL_FNADDR_OFFSET)),
+ byte_order),
stream, demangle);
}
else
if (is_pascal_string_type (type, &length_pos, &length_size,
&string_pos, &char_type, NULL))
{
- len = extract_unsigned_integer (valaddr + embedded_offset + length_pos, length_size, byte_order);
- LA_PRINT_STRING (stream, char_type, valaddr + embedded_offset + string_pos, len, 0, options);
- }
- else
- pascal_object_print_value_fields (type, valaddr + embedded_offset, address, stream,
- recurse, options, NULL, 0);
- }
- break;
-
- case TYPE_CODE_ENUM:
- if (options->format)
- {
- print_scalar_formatted (valaddr + embedded_offset, type,
- options, 0, stream);
- break;
- }
- len = TYPE_NFIELDS (type);
- val = unpack_long (type, valaddr + embedded_offset);
- for (i = 0; i < len; i++)
- {
- QUIT;
- if (val == TYPE_FIELD_BITPOS (type, i))
- {
- break;
- }
- }
- if (i < len)
- {
- fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
- }
- else
- {
- print_longest (stream, 'd', 0, val);
- }
- break;
-
- case TYPE_CODE_FLAGS:
- if (options->format)
- print_scalar_formatted (valaddr + embedded_offset, type,
- options, 0, stream);
- else
- val_print_type_code_flags (type, valaddr + embedded_offset, stream);
- break;
-
- case TYPE_CODE_FUNC:
- if (options->format)
- {
- print_scalar_formatted (valaddr + embedded_offset, type,
- options, 0, stream);
- break;
- }
- /* FIXME, we should consider, at least for ANSI C language, eliminating
- the distinction made between FUNCs and POINTERs to FUNCs. */
- fprintf_filtered (stream, "{");
- type_print (type, "", stream, -1);
- fprintf_filtered (stream, "} ");
- /* Try to print what function it points to, and its address. */
- print_address_demangle (gdbarch, address, stream, demangle);
- break;
-
- case TYPE_CODE_BOOL:
- if (options->format || options->output_format)
- {
- struct value_print_options opts = *options;
- opts.format = (options->format ? options->format
- : options->output_format);
- print_scalar_formatted (valaddr + embedded_offset, type,
- &opts, 0, stream);
- }
- else
- {
- val = unpack_long (type, valaddr + embedded_offset);
- if (val == 0)
- fputs_filtered ("false", stream);
- else if (val == 1)
- fputs_filtered ("true", stream);
- else
- {
- fputs_filtered ("true (", stream);
- fprintf_filtered (stream, "%ld)", (long int) val);
+ len = extract_unsigned_integer (valaddr + length_pos,
+ length_size, byte_order);
+ LA_PRINT_STRING (stream, char_type, valaddr + string_pos,
+ len, NULL, 0, options);
}
- }
- break;
-
- case TYPE_CODE_RANGE:
- /* FIXME: create_range_type does not set the unsigned bit in a
- range type (I think it probably should copy it from the target
- type), so we won't print values which are too large to
- fit in a signed integer correctly. */
- /* FIXME: Doesn't handle ranges of enums correctly. (Can't just
- print with the target type, though, because the size of our type
- and the target type might differ). */
- /* FALLTHROUGH */
-
- case TYPE_CODE_INT:
- if (options->format || options->output_format)
- {
- struct value_print_options opts = *options;
- opts.format = (options->format ? options->format
- : options->output_format);
- print_scalar_formatted (valaddr + embedded_offset, type,
- &opts, 0, stream);
- }
- else
- {
- val_print_type_code_int (type, valaddr + embedded_offset, stream);
- }
- break;
-
- case TYPE_CODE_CHAR:
- if (options->format || options->output_format)
- {
- struct value_print_options opts = *options;
- opts.format = (options->format ? options->format
- : options->output_format);
- print_scalar_formatted (valaddr + embedded_offset, type,
- &opts, 0, stream);
- }
- else
- {
- val = unpack_long (type, valaddr + embedded_offset);
- if (TYPE_UNSIGNED (type))
- fprintf_filtered (stream, "%u", (unsigned int) val);
else
- fprintf_filtered (stream, "%d", (int) val);
- fputs_filtered (" ", stream);
- LA_PRINT_CHAR ((unsigned char) val, type, stream);
- }
- break;
-
- case TYPE_CODE_FLT:
- if (options->format)
- {
- print_scalar_formatted (valaddr + embedded_offset, type,
- options, 0, stream);
- }
- else
- {
- print_floating (valaddr + embedded_offset, type, stream);
+ pascal_object_print_value_fields (val, stream, recurse,
+ options, NULL, 0);
}
break;
- case TYPE_CODE_BITSTRING:
case TYPE_CODE_SET:
elttype = TYPE_INDEX_TYPE (type);
- CHECK_TYPEDEF (elttype);
+ elttype = check_typedef (elttype);
if (TYPE_STUB (elttype))
{
- fprintf_filtered (stream, "<incomplete type>");
- gdb_flush (stream);
+ fprintf_styled (stream, metadata_style.style (), "<incomplete type>");
break;
}
else
{
struct type *range = elttype;
LONGEST low_bound, high_bound;
- int i;
- int is_bitstring = TYPE_CODE (type) == TYPE_CODE_BITSTRING;
int need_comma = 0;
- if (is_bitstring)
- fputs_filtered ("B'", stream);
- else
- fputs_filtered ("[", stream);
+ fputs_filtered ("[", stream);
- i = get_discrete_bounds (range, &low_bound, &high_bound);
+ int bound_info = get_discrete_bounds (range, &low_bound, &high_bound);
+ if (low_bound == 0 && high_bound == -1 && TYPE_LENGTH (type) > 0)
+ {
+ /* If we know the size of the set type, we can figure out the
+ maximum value. */
+ bound_info = 0;
+ high_bound = TYPE_LENGTH (type) * TARGET_CHAR_BIT - 1;
+ TYPE_HIGH_BOUND (range) = high_bound;
+ }
maybe_bad_bstring:
- if (i < 0)
+ if (bound_info < 0)
{
- fputs_filtered ("<error value>", stream);
+ fputs_styled ("<error value>", metadata_style.style (), stream);
goto done;
}
for (i = low_bound; i <= high_bound; i++)
{
- int element = value_bit_index (type, valaddr + embedded_offset, i);
+ int element = value_bit_index (type, valaddr, i);
+
if (element < 0)
{
i = element;
goto maybe_bad_bstring;
}
- if (is_bitstring)
- fprintf_filtered (stream, "%d", element);
- else if (element)
+ if (element)
{
if (need_comma)
fputs_filtered (", ", stream);
print_type_scalar (range, i, stream);
need_comma = 1;
- if (i + 1 <= high_bound && value_bit_index (type, valaddr + embedded_offset, ++i))
+ if (i + 1 <= high_bound
+ && value_bit_index (type, valaddr, ++i))
{
int j = i;
+
fputs_filtered ("..", stream);
while (i + 1 <= high_bound
- && value_bit_index (type, valaddr + embedded_offset, ++i))
+ && value_bit_index (type, valaddr, ++i))
j = i;
print_type_scalar (range, j, stream);
}
}
}
done:
- if (is_bitstring)
- fputs_filtered ("'", stream);
- else
- fputs_filtered ("]", stream);
+ fputs_filtered ("]", stream);
}
break;
- case TYPE_CODE_VOID:
- fprintf_filtered (stream, "void");
- break;
-
- case TYPE_CODE_ERROR:
- fprintf_filtered (stream, "<error type>");
- break;
-
- case TYPE_CODE_UNDEF:
- /* This happens (without TYPE_FLAG_STUB set) on systems which don't use
- dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
- and no complete type for struct foo in that file. */
- fprintf_filtered (stream, "<incomplete type>");
- break;
-
default:
- error (_("Invalid pascal type code %d in symbol table."), TYPE_CODE (type));
+ error (_("Invalid pascal type code %d in symbol table."),
+ type->code ());
}
- gdb_flush (stream);
- return (0);
}
+
\f
-int
+void
pascal_value_print (struct value *val, struct ui_file *stream,
const struct value_print_options *options)
{
struct type *type = value_type (val);
+ struct value_print_options opts = *options;
+
+ opts.deref_ref = 1;
/* If it is a pointer, indicate what it points to.
Object pascal: if it is a member pointer, we will take care
of that when we print it. */
- if (TYPE_CODE (type) == TYPE_CODE_PTR
- || TYPE_CODE (type) == TYPE_CODE_REF)
+ if (type->code () == TYPE_CODE_PTR
+ || type->code () == 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_NAME (type) == NULL
- && TYPE_NAME (TYPE_TARGET_TYPE (type)) != NULL
- && strcmp (TYPE_NAME (TYPE_TARGET_TYPE (type)), "char") == 0)
+ type is indicated by the quoted string anyway. */
+ if (type->code () == TYPE_CODE_PTR
+ && type->name () == NULL
+ && TYPE_TARGET_TYPE (type)->name () != NULL
+ && strcmp (TYPE_TARGET_TYPE (type)->name (), "char") == 0)
{
- /* Print nothing */
+ /* Print nothing. */
}
else
{
fprintf_filtered (stream, ") ");
}
}
- return common_val_print (val, stream, 0, options, current_language);
+ common_val_print (val, stream, 0, &opts, current_language);
}
struct ui_file *, int,
const struct value_print_options *);
-static void pascal_object_print_value (struct type *, const gdb_byte *,
- CORE_ADDR, struct ui_file *, int,
+static void pascal_object_print_value (struct value *, struct ui_file *, int,
const struct value_print_options *,
struct type **);
int
pascal_object_is_vtbl_ptr_type (struct type *type)
{
- char *typename = type_name_no_tag (type);
+ const char *type_name = type->name ();
- return (typename != NULL
- && strcmp (typename, pascal_vtbl_ptr_name) == 0);
+ return (type_name != NULL
+ && strcmp (type_name, pascal_vtbl_ptr_name) == 0);
}
/* Return truth value for the assertion that TYPE is of the type
int
pascal_object_is_vtbl_member (struct type *type)
{
- if (TYPE_CODE (type) == TYPE_CODE_PTR)
+ if (type->code () == TYPE_CODE_PTR)
{
type = TYPE_TARGET_TYPE (type);
- if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
+ if (type->code () == TYPE_CODE_ARRAY)
{
type = TYPE_TARGET_TYPE (type);
- if (TYPE_CODE (type) == TYPE_CODE_STRUCT /* if not using thunks */
- || TYPE_CODE (type) == TYPE_CODE_PTR) /* if using thunks */
+ if (type->code () == TYPE_CODE_STRUCT /* If not using
+ thunks. */
+ || type->code () == TYPE_CODE_PTR) /* If using thunks. */
{
/* Virtual functions tables are full of pointers
- to virtual functions. */
+ to virtual functions. */
return pascal_object_is_vtbl_ptr_type (type);
}
}
}
/* Mutually recursive subroutines of pascal_object_print_value and
- c_val_print to print out a structure's fields:
+ pascal_value_print to print out a structure's fields:
pascal_object_print_value_fields and pascal_object_print_value.
- TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and OPTIONS have the
- same meanings as in pascal_object_print_value and c_val_print.
+ VAL, STREAM, RECURSE, and OPTIONS have the same meanings as in
+ pascal_object_print_value and c_value_print.
DONT_PRINT is an array of baseclass types that we
should not print, or zero if called from top level. */
-void
-pascal_object_print_value_fields (struct type *type, const gdb_byte *valaddr,
- CORE_ADDR address, struct ui_file *stream,
+static void
+pascal_object_print_value_fields (struct value *val, struct ui_file *stream,
int recurse,
const struct value_print_options *options,
struct type **dont_print_vb,
int dont_print_statmem)
{
int i, len, n_baseclasses;
- char *last_dont_print = obstack_next_free (&dont_print_statmem_obstack);
+ char *last_dont_print
+ = (char *) obstack_next_free (&dont_print_statmem_obstack);
- CHECK_TYPEDEF (type);
+ struct type *type = check_typedef (value_type (val));
fprintf_filtered (stream, "{");
- len = TYPE_NFIELDS (type);
+ len = type->num_fields ();
n_baseclasses = TYPE_N_BASECLASSES (type);
/* Print out baseclasses such that we don't print
duplicates of virtual baseclasses. */
if (n_baseclasses > 0)
- pascal_object_print_value (type, valaddr, address, stream,
- recurse + 1, options, dont_print_vb);
+ pascal_object_print_value (val, stream, recurse + 1,
+ options, dont_print_vb);
if (!len && n_baseclasses == 1)
- fprintf_filtered (stream, "<No data fields>");
+ fprintf_styled (stream, metadata_style.style (), "<No data fields>");
else
{
struct obstack tmp_obstack = dont_print_statmem_obstack;
int fields_seen = 0;
+ const gdb_byte *valaddr = value_contents_for_printing (val);
if (dont_print_statmem == 0)
{
{
/* If requested, skip printing of static fields. */
if (!options->pascal_static_field_print
- && field_is_static (&TYPE_FIELD (type, i)))
+ && field_is_static (&type->field (i)))
continue;
if (fields_seen)
fprintf_filtered (stream, ", ");
else if (n_baseclasses > 0)
{
- if (options->pretty)
+ if (options->prettyformat)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 + 2 * recurse, stream);
fputs_filtered ("members of ", stream);
- fputs_filtered (type_name_no_tag (type), stream);
+ fputs_filtered (type->name (), stream);
fputs_filtered (": ", stream);
}
}
fields_seen = 1;
- if (options->pretty)
+ if (options->prettyformat)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 + 2 * recurse, stream);
{
wrap_here (n_spaces (2 + 2 * recurse));
}
- if (options->inspect_it)
+
+ annotate_field_begin (TYPE_FIELD_TYPE (type, i));
+
+ if (field_is_static (&type->field (i)))
{
- if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR)
- fputs_filtered ("\"( ptr \"", stream);
- else
- fputs_filtered ("\"( nodef \"", stream);
- if (field_is_static (&TYPE_FIELD (type, i)))
- fputs_filtered ("static ", stream);
- fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
- language_cplus,
- DMGL_PARAMS | DMGL_ANSI);
- fputs_filtered ("\" \"", stream);
- fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
- language_cplus,
+ fputs_filtered ("static ", stream);
+ fprintf_symbol_filtered (stream,
+ TYPE_FIELD_NAME (type, i),
+ current_language->la_language,
DMGL_PARAMS | DMGL_ANSI);
- fputs_filtered ("\") \"", stream);
}
else
- {
- annotate_field_begin (TYPE_FIELD_TYPE (type, i));
-
- if (field_is_static (&TYPE_FIELD (type, i)))
- fputs_filtered ("static ", stream);
- fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
- language_cplus,
- DMGL_PARAMS | DMGL_ANSI);
- annotate_field_name_end ();
- fputs_filtered (" = ", stream);
- annotate_field_value ();
- }
+ fputs_styled (TYPE_FIELD_NAME (type, i),
+ variable_name_style.style (), stream);
+ annotate_field_name_end ();
+ fputs_filtered (" = ", stream);
+ annotate_field_value ();
- if (!field_is_static (&TYPE_FIELD (type, i))
+ if (!field_is_static (&type->field (i))
&& TYPE_FIELD_PACKED (type, i))
{
struct value *v;
order problems. */
if (TYPE_FIELD_IGNORE (type, i))
{
- fputs_filtered ("<optimized out or zero length>", stream);
+ fputs_styled ("<optimized out or zero length>",
+ metadata_style.style (), stream);
+ }
+ else if (value_bits_synthetic_pointer (val,
+ TYPE_FIELD_BITPOS (type,
+ i),
+ TYPE_FIELD_BITSIZE (type,
+ i)))
+ {
+ fputs_styled (_("<synthetic pointer>"),
+ metadata_style.style (), stream);
}
else
{
struct value_print_options opts = *options;
- v = value_from_longest (TYPE_FIELD_TYPE (type, i),
- unpack_field_as_long (type, valaddr, i));
+
+ v = value_field_bitfield (type, i, valaddr, 0, val);
opts.deref_ref = 0;
common_val_print (v, stream, recurse + 1, &opts,
{
if (TYPE_FIELD_IGNORE (type, i))
{
- fputs_filtered ("<optimized out or zero length>", stream);
+ fputs_styled ("<optimized out or zero length>",
+ metadata_style.style (), stream);
}
- else if (field_is_static (&TYPE_FIELD (type, i)))
+ else if (field_is_static (&type->field (i)))
{
- /* struct value *v = value_static_field (type, i); v4.17 specific */
+ /* struct value *v = value_static_field (type, i);
+ v4.17 specific. */
struct value *v;
- v = value_from_longest (TYPE_FIELD_TYPE (type, i),
- unpack_field_as_long (type, valaddr, i));
+
+ v = value_field_bitfield (type, i, valaddr, 0, val);
if (v == NULL)
- fputs_filtered ("<optimized out>", stream);
+ val_print_optimized_out (NULL, stream);
else
pascal_object_print_static_field (v, stream, recurse + 1,
options);
else
{
struct value_print_options opts = *options;
+
opts.deref_ref = 0;
- /* val_print (TYPE_FIELD_TYPE (type, i),
- valaddr + TYPE_FIELD_BITPOS (type, i) / 8,
- address + TYPE_FIELD_BITPOS (type, i) / 8, 0,
- stream, format, 0, recurse + 1, pretty); */
- val_print (TYPE_FIELD_TYPE (type, i),
- valaddr, TYPE_FIELD_BITPOS (type, i) / 8,
- address + TYPE_FIELD_BITPOS (type, i) / 8,
- stream, recurse + 1, &opts,
- current_language);
+
+ struct value *v = value_primitive_field (val, 0, i,
+ value_type (val));
+ common_val_print (v, stream, recurse + 1, &opts,
+ current_language);
}
}
annotate_field_end ();
dont_print_statmem_obstack = tmp_obstack;
}
- if (options->pretty)
+ if (options->prettyformat)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 * recurse, stream);
baseclasses. */
static void
-pascal_object_print_value (struct type *type, const gdb_byte *valaddr,
- CORE_ADDR address, struct ui_file *stream,
+pascal_object_print_value (struct value *val, struct ui_file *stream,
int recurse,
const struct value_print_options *options,
struct type **dont_print_vb)
{
struct type **last_dont_print
- = (struct type **) obstack_next_free (&dont_print_vb_obstack);
+ = (struct type **) obstack_next_free (&dont_print_vb_obstack);
struct obstack tmp_obstack = dont_print_vb_obstack;
+ struct type *type = check_typedef (value_type (val));
int i, n_baseclasses = TYPE_N_BASECLASSES (type);
if (dont_print_vb == 0)
for (i = 0; i < n_baseclasses; i++)
{
- int boffset;
+ LONGEST boffset = 0;
struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
- char *basename = type_name_no_tag (baseclass);
- const gdb_byte *base_valaddr;
+ const char *basename = baseclass->name ();
+ int skip = 0;
if (BASETYPE_VIA_VIRTUAL (type, i))
{
struct type **first_dont_print
- = (struct type **) obstack_base (&dont_print_vb_obstack);
+ = (struct type **) obstack_base (&dont_print_vb_obstack);
int j = (struct type **) obstack_next_free (&dont_print_vb_obstack)
- - first_dont_print;
+ - first_dont_print;
while (--j >= 0)
if (baseclass == first_dont_print[j])
obstack_ptr_grow (&dont_print_vb_obstack, baseclass);
}
- boffset = baseclass_offset (type, i, valaddr, address);
+ struct value *base_value;
+ try
+ {
+ base_value = value_primitive_field (val, 0, i, type);
+ }
+ catch (const gdb_exception_error &ex)
+ {
+ base_value = nullptr;
+ if (ex.error == NOT_AVAILABLE_ERROR)
+ skip = -1;
+ else
+ skip = 1;
+ }
+
+ if (skip == 0)
+ {
+ /* The virtual base class pointer might have been clobbered by the
+ user program. Make sure that it still points to a valid memory
+ location. */
+
+ if (boffset < 0 || boffset >= TYPE_LENGTH (type))
+ {
+ CORE_ADDR address= value_address (val);
+ gdb::byte_vector buf (TYPE_LENGTH (baseclass));
+
+ if (target_read_memory (address + boffset, buf.data (),
+ TYPE_LENGTH (baseclass)) != 0)
+ skip = 1;
+ base_value = value_from_contents_and_address (baseclass,
+ buf.data (),
+ address + boffset);
+ baseclass = value_type (base_value);
+ boffset = 0;
+ }
+ }
- if (options->pretty)
+ if (options->prettyformat)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 * recurse, stream);
fputs_filtered (basename ? basename : "", stream);
fputs_filtered ("> = ", stream);
- /* The virtual base class pointer might have been clobbered by the
- user program. Make sure that it still points to a valid memory
- location. */
-
- if (boffset != -1 && (boffset < 0 || boffset >= TYPE_LENGTH (type)))
- {
- /* FIXME (alloc): not safe is baseclass is really really big. */
- gdb_byte *buf = alloca (TYPE_LENGTH (baseclass));
- base_valaddr = buf;
- if (target_read_memory (address + boffset, buf,
- TYPE_LENGTH (baseclass)) != 0)
- boffset = -1;
- }
- else
- base_valaddr = valaddr + boffset;
-
- if (boffset == -1)
- fprintf_filtered (stream, "<invalid address>");
+ if (skip < 0)
+ val_print_unavailable (stream);
+ else if (skip > 0)
+ val_print_invalid_address (stream);
else
- pascal_object_print_value_fields (baseclass, base_valaddr, address + boffset,
- stream, recurse, options,
- (struct type **) obstack_base (&dont_print_vb_obstack),
- 0);
+ pascal_object_print_value_fields
+ (base_value, stream, recurse, options,
+ (struct type **) obstack_base (&dont_print_vb_obstack),
+ 0);
fputs_filtered (", ", stream);
flush_it:
struct type *type = value_type (val);
struct value_print_options opts;
- if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
+ if (value_entirely_optimized_out (val))
+ {
+ val_print_optimized_out (val, stream);
+ return;
+ }
+
+ if (type->code () == TYPE_CODE_STRUCT)
{
CORE_ADDR *first_dont_print, addr;
int i;
{
if (value_address (val) == first_dont_print[i])
{
- fputs_filtered ("<same as static member of an already seen type>",
- stream);
+ fputs_styled (_("\
+<same as static member of an already seen type>"),
+ metadata_style.style (), stream);
return;
}
}
obstack_grow (&dont_print_statmem_obstack, (char *) &addr,
sizeof (CORE_ADDR));
- CHECK_TYPEDEF (type);
- pascal_object_print_value_fields (type, value_contents (val), addr,
- stream, recurse, options, NULL, 1);
+ type = check_typedef (type);
+ pascal_object_print_value_fields (val, stream, recurse,
+ options, NULL, 1);
return;
}
common_val_print (val, stream, recurse, &opts, current_language);
}
-extern initialize_file_ftype _initialize_pascal_valprint; /* -Wmissing-prototypes */
-
+void _initialize_pascal_valprint ();
void
-_initialize_pascal_valprint (void)
+_initialize_pascal_valprint ()
{
add_setshow_boolean_cmd ("pascal_static-members", class_support,
&user_print_options.pascal_static_field_print, _("\
projects / deliverable / binutils-gdb.git / blobdiff