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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:35:26 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:35:26 +0000
commitc906108c21474dfb4ed285bcc0ac6fe02cd400cc (patch)
treea0015aa5cedc19ccbab307251353a41722a3ae13 /gdb/ch-typeprint.c
parentThis commit was generated by cvs2svn to track changes on a CVS vendor (diff)
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Initial creation of sourceware repositorygdb-4_18-branchpoint
Diffstat (limited to 'gdb/ch-typeprint.c')
-rw-r--r--gdb/ch-typeprint.c346
1 files changed, 346 insertions, 0 deletions
diff --git a/gdb/ch-typeprint.c b/gdb/ch-typeprint.c
new file mode 100644
index 00000000000..a6b1944d387
--- /dev/null
+++ b/gdb/ch-typeprint.c
@@ -0,0 +1,346 @@
+/* Support for printing Chill types for GDB, the GNU debugger.
+ Copyright 1986, 1988, 1989, 1991 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include "defs.h"
+#include "obstack.h"
+#include "bfd.h" /* Binary File Description */
+#include "symtab.h"
+#include "gdbtypes.h"
+#include "expression.h"
+#include "value.h"
+#include "gdbcore.h"
+#include "target.h"
+#include "command.h"
+#include "gdbcmd.h"
+#include "language.h"
+#include "demangle.h"
+#include "ch-lang.h"
+#include "typeprint.h"
+
+#include "gdb_string.h"
+#include <errno.h>
+
+static void
+chill_type_print_base PARAMS ((struct type *, GDB_FILE *, int, int));
+
+void
+chill_print_type (type, varstring, stream, show, level)
+ struct type *type;
+ char *varstring;
+ GDB_FILE *stream;
+ int show;
+ int level;
+{
+ if (varstring != NULL && *varstring != '\0')
+ {
+ fputs_filtered (varstring, stream);
+ fputs_filtered (" ", stream);
+ }
+ chill_type_print_base (type, stream, show, level);
+}
+
+/* Print the name of the type (or the ultimate pointer target,
+ function value or array element).
+
+ SHOW nonzero means don't print this type as just its name;
+ show its real definition even if it has a name.
+ SHOW zero means print just typename or tag if there is one
+ SHOW negative means abbreviate structure elements.
+ SHOW is decremented for printing of structure elements.
+
+ LEVEL is the depth to indent by.
+ We increase it for some recursive calls. */
+
+static void
+chill_type_print_base (type, stream, show, level)
+ struct type *type;
+ GDB_FILE *stream;
+ int show;
+ int level;
+{
+ register int len;
+ register int i;
+ struct type *index_type;
+ struct type *range_type;
+ LONGEST low_bound;
+ LONGEST high_bound;
+
+ QUIT;
+
+ wrap_here (" ");
+ if (type == NULL)
+ {
+ fputs_filtered ("<type unknown>", stream);
+ return;
+ }
+
+ /* When SHOW is zero or less, and there is a valid type name, then always
+ just print the type name directly from the type. */
+
+ if ((show <= 0) && (TYPE_NAME (type) != NULL))
+ {
+ fputs_filtered (TYPE_NAME (type), stream);
+ return;
+ }
+
+ if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF)
+ CHECK_TYPEDEF (type);
+
+ switch (TYPE_CODE (type))
+ {
+ case TYPE_CODE_TYPEDEF:
+ chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
+ break;
+ case TYPE_CODE_PTR:
+ if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
+ {
+ fprintf_filtered (stream,
+ TYPE_NAME (type) ? TYPE_NAME (type) : "PTR");
+ break;
+ }
+ fprintf_filtered (stream, "REF ");
+ chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
+ break;
+
+ case TYPE_CODE_BOOL:
+ /* FIXME: we should probably just print the TYPE_NAME, in case
+ anyone ever fixes the compiler to give us the real names
+ in the presence of the chill equivalent of typedef (assuming
+ there is one). */
+ fprintf_filtered (stream,
+ TYPE_NAME (type) ? TYPE_NAME (type) : "BOOL");
+ break;
+
+ case TYPE_CODE_ARRAY:
+ fputs_filtered ("ARRAY (", stream);
+ range_type = TYPE_FIELD_TYPE (type, 0);
+ if (TYPE_CODE (range_type) != TYPE_CODE_RANGE)
+ chill_print_type (range_type, "", stream, 0, level);
+ else
+ {
+ index_type = TYPE_TARGET_TYPE (range_type);
+ low_bound = TYPE_FIELD_BITPOS (range_type, 0);
+ high_bound = TYPE_FIELD_BITPOS (range_type, 1);
+ print_type_scalar (index_type, low_bound, stream);
+ fputs_filtered (":", stream);
+ print_type_scalar (index_type, high_bound, stream);
+ }
+ fputs_filtered (") ", stream);
+ chill_print_type (TYPE_TARGET_TYPE (type), "", stream, 0, level);
+ break;
+
+ case TYPE_CODE_BITSTRING:
+ fprintf_filtered (stream, "BOOLS (%d)",
+ TYPE_FIELD_BITPOS (TYPE_FIELD_TYPE(type,0), 1) + 1);
+ break;
+
+ case TYPE_CODE_SET:
+ fputs_filtered ("POWERSET ", stream);
+ chill_print_type (TYPE_INDEX_TYPE (type), "", stream,
+ show - 1, level);
+ break;
+
+ case TYPE_CODE_STRING:
+ range_type = TYPE_FIELD_TYPE (type, 0);
+ index_type = TYPE_TARGET_TYPE (range_type);
+ high_bound = TYPE_FIELD_BITPOS (range_type, 1);
+ fputs_filtered ("CHARS (", stream);
+ print_type_scalar (index_type, high_bound + 1, stream);
+ fputs_filtered (")", stream);
+ break;
+
+ case TYPE_CODE_MEMBER:
+ fprintf_filtered (stream, "MEMBER ");
+ chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
+ break;
+ case TYPE_CODE_REF:
+ fprintf_filtered (stream, "/*LOC*/ ");
+ chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
+ break;
+ case TYPE_CODE_FUNC:
+ fprintf_filtered (stream, "PROC (");
+ len = TYPE_NFIELDS (type);
+ for (i = 0; i < len; i++)
+ {
+ struct type *param_type = TYPE_FIELD_TYPE (type, i);
+ if (i > 0)
+ {
+ fputs_filtered (", ", stream);
+ wrap_here (" ");
+ }
+ if (TYPE_CODE (param_type) == TYPE_CODE_REF)
+ {
+ chill_type_print_base (TYPE_TARGET_TYPE (param_type),
+ stream, 0, level);
+ fputs_filtered (" LOC", stream);
+ }
+ else
+ chill_type_print_base (param_type, stream, show, level);
+ }
+ fprintf_filtered (stream, ")");
+ if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID)
+ {
+ fputs_filtered (" RETURNS (", stream);
+ chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
+ fputs_filtered (")", stream);
+ }
+ break;
+
+ case TYPE_CODE_STRUCT:
+ if (chill_varying_type (type))
+ {
+ chill_type_print_base (TYPE_FIELD_TYPE (type, 1),
+ stream, 0, level);
+ fputs_filtered (" VARYING", stream);
+ }
+ else
+ {
+ fprintf_filtered (stream, "STRUCT ");
+
+ fprintf_filtered (stream, "(\n");
+ if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0))
+ {
+ if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
+ {
+ fprintfi_filtered (level + 4, stream, "<incomplete type>\n");
+ }
+ else
+ {
+ fprintfi_filtered (level + 4, stream, "<no data fields>\n");
+ }
+ }
+ else
+ {
+ len = TYPE_NFIELDS (type);
+ for (i = TYPE_N_BASECLASSES (type); i < len; i++)
+ {
+ struct type *field_type = TYPE_FIELD_TYPE (type, i);
+ QUIT;
+ print_spaces_filtered (level + 4, stream);
+ if (TYPE_CODE (field_type) == TYPE_CODE_UNION)
+ { int j; /* variant number */
+ fputs_filtered ("CASE OF\n", stream);
+ for (j = 0; j < TYPE_NFIELDS (field_type); j++)
+ { int k; /* variant field index */
+ struct type *variant_type
+ = TYPE_FIELD_TYPE (field_type, j);
+ int var_len = TYPE_NFIELDS (variant_type);
+ print_spaces_filtered (level + 4, stream);
+ if (strcmp (TYPE_FIELD_NAME (field_type, j),
+ "else") == 0)
+ fputs_filtered ("ELSE\n", stream);
+ else
+ fputs_filtered (":\n", stream);
+ if (TYPE_CODE (variant_type) != TYPE_CODE_STRUCT)
+ error ("variant record confusion");
+ for (k = 0; k < var_len; k++)
+ {
+ print_spaces_filtered (level + 8, stream);
+ chill_print_type (TYPE_FIELD_TYPE (variant_type, k),
+ TYPE_FIELD_NAME (variant_type, k),
+ stream, show - 1, level + 8);
+ if (k < (var_len - 1))
+ fputs_filtered (",", stream);
+ fputs_filtered ("\n", stream);
+ }
+ }
+ print_spaces_filtered (level + 4, stream);
+ fputs_filtered ("ESAC", stream);
+ }
+ else
+ chill_print_type (field_type,
+ TYPE_FIELD_NAME (type, i),
+ stream, show - 1, level + 4);
+ if (i < (len - 1))
+ {
+ fputs_filtered (",", stream);
+ }
+ fputs_filtered ("\n", stream);
+ }
+ }
+ fprintfi_filtered (level, stream, ")");
+ }
+ break;
+
+ case TYPE_CODE_RANGE:
+ {
+ struct type *target = TYPE_TARGET_TYPE (type);
+ if (target && TYPE_NAME (target))
+ fputs_filtered (TYPE_NAME (target), stream);
+ else
+ fputs_filtered ("RANGE", stream);
+ if (target == NULL)
+ target = builtin_type_long;
+ fputs_filtered (" (", stream);
+ print_type_scalar (target, TYPE_LOW_BOUND (type), stream);
+ fputs_filtered (":", stream);
+ print_type_scalar (target, TYPE_HIGH_BOUND (type), stream);
+ fputs_filtered (")", stream);
+ }
+ break;
+
+ case TYPE_CODE_ENUM:
+ {
+ register int lastval = 0;
+ fprintf_filtered (stream, "SET (");
+ len = TYPE_NFIELDS (type);
+ for (i = 0; i < len; i++)
+ {
+ QUIT;
+ if (i) fprintf_filtered (stream, ", ");
+ wrap_here (" ");
+ fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
+ if (lastval != TYPE_FIELD_BITPOS (type, i))
+ {
+ fprintf_filtered (stream, " = %d", TYPE_FIELD_BITPOS (type, i));
+ lastval = TYPE_FIELD_BITPOS (type, i);
+ }
+ lastval++;
+ }
+ fprintf_filtered (stream, ")");
+ }
+ break;
+
+ case TYPE_CODE_VOID:
+ case TYPE_CODE_UNDEF:
+ case TYPE_CODE_ERROR:
+ case TYPE_CODE_UNION:
+ case TYPE_CODE_METHOD:
+ error ("missing language support in chill_type_print_base");
+ break;
+
+ default:
+
+ /* Handle types not explicitly handled by the other cases,
+ such as fundamental types. For these, just print whatever
+ the type name is, as recorded in the type itself. If there
+ is no type name, then complain. */
+
+ if (TYPE_NAME (type) != NULL)
+ {
+ fputs_filtered (TYPE_NAME (type), stream);
+ }
+ else
+ {
+ error ("Unrecognized type code (%d) in symbol table.",
+ TYPE_CODE (type));
+ }
+ break;
+ }
+}