/* Support for printing Chill values for GDB, the GNU debugger.
- Copyright 1986, 1988, 1989, 1991 Free Software Foundation, Inc.
+ Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994
+ Free Software Foundation, Inc.
This file is part of GDB.
#include "language.h"
#include "demangle.h"
#include "c-lang.h" /* For c_val_print */
+#include "typeprint.h"
+#include "ch-lang.h"
+#include "annotate.h"
static void
chill_print_value_fields PARAMS ((struct type *, char *, GDB_FILE *, int, int,
enum val_prettyprint, struct type **));
\f
+/* Print integral scalar data VAL, of type TYPE, onto stdio stream STREAM.
+ Used to print data from type structures in a specified type. For example,
+ array bounds may be characters or booleans in some languages, and this
+ allows the ranges to be printed in their "natural" form rather than as
+ decimal integer values. */
+
+void
+chill_print_type_scalar (type, val, stream)
+ struct type *type;
+ LONGEST val;
+ GDB_FILE *stream;
+{
+ switch (TYPE_CODE (type))
+ {
+ case TYPE_CODE_RANGE:
+ if (TYPE_TARGET_TYPE (type))
+ {
+ chill_print_type_scalar (TYPE_TARGET_TYPE (type), val, stream);
+ return;
+ }
+ }
+ print_type_scalar (type, val, stream);
+}
+\f
+/* Print the elements of an array.
+ Similar to val_print_array_elements, but prints
+ element indexes (in Chill syntax). */
+
+static void
+chill_val_print_array_elements (type, valaddr, address, stream,
+ format, deref_ref, recurse, pretty)
+ struct type *type;
+ char *valaddr;
+ CORE_ADDR address;
+ GDB_FILE *stream;
+ int format;
+ int deref_ref;
+ int recurse;
+ enum val_prettyprint pretty;
+{
+ unsigned int i = 0;
+ unsigned int things_printed = 0;
+ unsigned len;
+ struct type *elttype;
+ struct type *range_type = TYPE_FIELD_TYPE (type, 0);
+ struct type *index_type = TYPE_TARGET_TYPE (range_type);
+ 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;
+ LONGEST low_bound = TYPE_FIELD_BITPOS (range_type, 0);
+ LONGEST high_bound = TYPE_FIELD_BITPOS (range_type, 1);
+
+ elttype = TYPE_TARGET_TYPE (type);
+ eltlen = TYPE_LENGTH (elttype);
+ len = TYPE_LENGTH (type) / eltlen;
+
+ annotate_array_section_begin (i, elttype);
+
+ for (; i < len && things_printed < print_max; i++)
+ {
+ 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));
+
+ rep1 = i + 1;
+ reps = 1;
+ while ((rep1 < len) &&
+ !memcmp (valaddr + i * eltlen, valaddr + rep1 * eltlen, eltlen))
+ {
+ ++reps;
+ ++rep1;
+ }
+
+ fputs_filtered ("(", stream);
+ chill_print_type_scalar (index_type, low_bound + i, stream);
+ if (reps > 1)
+ {
+ fputs_filtered (":", stream);
+ chill_print_type_scalar (index_type, low_bound + i + reps - 1,
+ stream);
+ fputs_filtered ("): ", stream);
+ val_print (elttype, valaddr + i * eltlen, 0, stream, format,
+ deref_ref, recurse + 1, pretty);
+
+ i = rep1 - 1;
+ things_printed += 1;
+ }
+ else
+ {
+ fputs_filtered ("): ", stream);
+ val_print (elttype, valaddr + i * eltlen, 0, stream, format,
+ deref_ref, recurse + 1, pretty);
+ annotate_elt ();
+ things_printed++;
+ }
+ }
+ annotate_array_section_end ();
+ if (i < len)
+ {
+ fprintf_filtered (stream, "...");
+ }
+}
+
/* 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 or 0 for natural format). The data at VALADDR is in
print_spaces_filtered (2 + 2 * recurse, stream);
}
fprintf_filtered (stream, "[");
- val_print_array_elements (type, valaddr, address, stream, format,
- deref_ref, recurse, pretty, 0);
+ chill_val_print_array_elements (type, valaddr, address, stream,
+ format, deref_ref, recurse, pretty);
fprintf_filtered (stream, "]");
}
else
}
else
{
+ /* FIXME: Why is this using builtin_type_chill_bool not type? */
val = unpack_long (builtin_type_chill_bool, valaddr);
fprintf_filtered (stream, val ? "TRUE" : "FALSE");
}
}
addr = unpack_pointer (type, valaddr);
elttype = TYPE_TARGET_TYPE (type);
+
+ /* We assume a NULL pointer is all zeros ... */
+ if (addr == 0)
+ {
+ fputs_filtered ("NULL", stream);
+ return 0;
+ }
if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
{
}
if (addressprint && format != 's')
{
- fprintf_filtered (stream, "H'%lx", (unsigned long) addr);
+ print_address_numeric (addr, 1, stream);
}
/* For a pointer to char or unsigned char, also print the string
break;
case TYPE_CODE_STRING:
- if (format && format != 's')
- {
- print_scalar_formatted (valaddr, type, format, 0, stream);
- break;
- }
- if (addressprint && format != 's')
- {
- /* This used to say `addr', which is unset at this point.
- Is `address' what is meant? */
- fprintf_filtered (stream, "H'%lx ", (unsigned long) address);
- }
i = TYPE_LENGTH (type);
LA_PRINT_STRING (stream, valaddr, i, 0);
/* Return number of characters printed, plus one for the terminating
return (i + (print_max && i != print_max));
break;
+ case TYPE_CODE_BITSTRING:
case TYPE_CODE_SET:
+ elttype = TYPE_INDEX_TYPE (type);
+ check_stub_type (elttype);
+ if (TYPE_FLAGS (elttype) & TYPE_FLAG_STUB)
+ {
+ fprintf_filtered (stream, "<incomplete type>");
+ gdb_flush (stream);
+ break;
+ }
{
- struct type *range = TYPE_FIELD_TYPE (type, 0);
- int low_bound = TYPE_FIELD_BITPOS (range, 0);
- int high_bound = TYPE_FIELD_BITPOS (range, 1);
+ struct type *range = elttype;
+ int low_bound = TYPE_LOW_BOUND (range);
+ int high_bound = TYPE_HIGH_BOUND (range);
int i;
- int is_bitstring = 0;
+ int is_bitstring = TYPE_CODE (type) == TYPE_CODE_BITSTRING;
int need_comma = 0;
- int in_range = 0;
if (is_bitstring)
fputs_filtered ("B'", stream);
{
if (need_comma)
fputs_filtered (", ", stream);
- print_type_scalar (TYPE_TARGET_TYPE (range), i, stream);
+ chill_print_type_scalar (range, i, stream);
need_comma = 1;
/* Look for a continuous range of true elements. */
while (i+1 <= high_bound
&& value_bit_index (type, valaddr, ++i))
j = i;
- print_type_scalar (TYPE_TARGET_TYPE (range), j, stream);
+ chill_print_type_scalar (range, j, stream);
}
}
}
break;
case TYPE_CODE_STRUCT:
+ if (chill_varying_type (type))
+ {
+ struct type *inner = TYPE_FIELD_TYPE (type, 1);
+ long length = unpack_long (TYPE_FIELD_TYPE (type, 0), valaddr);
+ char *data_addr = valaddr + TYPE_FIELD_BITPOS (type, 1) / 8;
+
+ switch (TYPE_CODE (inner))
+ {
+ case TYPE_CODE_STRING:
+ if (length > TYPE_LENGTH (type))
+ {
+ fprintf_filtered (stream,
+ "<dynamic length %d > static length %d>",
+ length, TYPE_LENGTH (type));
+ }
+ LA_PRINT_STRING (stream, data_addr, length, 0);
+ return length;
+ default:
+ break;
+ }
+ }
chill_print_value_fields (type, valaddr, stream, format, recurse, pretty,
0);
break;
case TYPE_CODE_REF:
if (addressprint)
{
- fprintf_filtered (stream, "LOC(H'%lx)",
- unpack_long (builtin_type_int, valaddr));
+ fprintf_filtered (stream, "LOC(");
+ print_address_numeric
+ (extract_address (valaddr, TARGET_PTR_BIT / HOST_CHAR_BIT),
+ 1,
+ stream);
+ fprintf_filtered (stream, ")");
if (deref_ref)
fputs_filtered (": ", stream);
}
{
if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_UNDEF)
{
- value deref_val =
+ value_ptr deref_val =
value_at
(TYPE_TARGET_TYPE (type),
unpack_pointer (lookup_pointer_type (builtin_type_void),
fputs_filtered (": ", stream);
if (TYPE_FIELD_PACKED (type, i))
{
- value v;
+ value_ptr v;
/* Bitfields require special handling, especially due to byte
order problems. */
}
fprintf_filtered (stream, "]");
}
+\f
+int
+chill_value_print (val, stream, format, pretty)
+ value_ptr val;
+ GDB_FILE *stream;
+ int format;
+ enum val_prettyprint pretty;
+{
+ /* A "repeated" value really contains several values in a row.
+ They are made by the @ operator.
+ Print such values as if they were arrays. */
+
+ if (VALUE_REPEATED (val))
+ {
+ register unsigned int n = VALUE_REPETITIONS (val);
+ register unsigned int typelen = TYPE_LENGTH (VALUE_TYPE (val));
+ fprintf_filtered (stream, "[");
+ /* Print arrays of characters using string syntax. */
+ if (typelen == 1 && TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT
+ && format == 0)
+ LA_PRINT_STRING (stream, VALUE_CONTENTS (val), n, 0);
+ else
+ {
+ value_print_array_elements (val, stream, format, pretty);
+ }
+ fprintf_filtered (stream, "]");
+ return (n * typelen);
+ }
+ else
+ {
+ struct type *type = VALUE_TYPE (val);
+
+ /* If it is a pointer, indicate what it points to.
+
+ Print type also if it is a reference.
+
+ C++: 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)
+ {
+ char *valaddr = VALUE_CONTENTS (val);
+ CORE_ADDR addr = unpack_pointer (type, valaddr);
+ if (TYPE_CODE (type) != TYPE_CODE_PTR || addr != 0)
+ {
+ int i;
+ char *name = TYPE_NAME (type);
+ if (name)
+ fputs_filtered (name, stream);
+ else if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
+ fputs_filtered ("PTR", stream);
+ else
+ {
+ fprintf_filtered (stream, "(");
+ type_print (type, "", stream, -1);
+ fprintf_filtered (stream, ")");
+ }
+ fprintf_filtered (stream, "(");
+ i = val_print (type, valaddr, VALUE_ADDRESS (val),
+ stream, format, 1, 0, pretty);
+ fprintf_filtered (stream, ")");
+ return i;
+ }
+ }
+ return (val_print (type, VALUE_CONTENTS (val),
+ VALUE_ADDRESS (val), stream, format, 1, 0, pretty));
+ }
+}
+
+