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Diffstat (limited to 'gdb/typeprint.c')
| -rw-r--r-- | gdb/typeprint.c | 379 |
1 files changed, 0 insertions, 379 deletions
diff --git a/gdb/typeprint.c b/gdb/typeprint.c deleted file mode 100644 index b56610d3ac0..00000000000 --- a/gdb/typeprint.c +++ /dev/null @@ -1,379 +0,0 @@ -/* Language independent support for printing types for GDB, the GNU debugger. - Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1998, 1999, - 2000, 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., 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 "command.h" -#include "gdbcmd.h" -#include "target.h" -#include "language.h" -#include "cp-abi.h" - -#include "gdb_string.h" -#include <errno.h> - -/* For real-type printing in whatis_exp() */ -extern int objectprint; /* Controls looking up an object's derived type - using what we find in its vtables. */ - -extern void _initialize_typeprint (void); - -static void ptype_command (char *, int); - -static struct type *ptype_eval (struct expression *); - -static void whatis_command (char *, int); - -static void whatis_exp (char *, int); - -/* Print a description of a type in the format of a - typedef for the current language. - NEW is the new name for a type TYPE. */ - -void -typedef_print (struct type *type, struct symbol *new, struct ui_file *stream) -{ - CHECK_TYPEDEF (type); - switch (current_language->la_language) - { -#ifdef _LANG_c - case language_c: - case language_cplus: - fprintf_filtered (stream, "typedef "); - type_print (type, "", stream, 0); - if (TYPE_NAME ((SYMBOL_TYPE (new))) == 0 - || !STREQ (TYPE_NAME ((SYMBOL_TYPE (new))), SYMBOL_NAME (new))) - fprintf_filtered (stream, " %s", SYMBOL_SOURCE_NAME (new)); - break; -#endif -#ifdef _LANG_m2 - case language_m2: - fprintf_filtered (stream, "TYPE "); - if (!TYPE_NAME (SYMBOL_TYPE (new)) || - !STREQ (TYPE_NAME (SYMBOL_TYPE (new)), SYMBOL_NAME (new))) - fprintf_filtered (stream, "%s = ", SYMBOL_SOURCE_NAME (new)); - else - fprintf_filtered (stream, "<builtin> = "); - type_print (type, "", stream, 0); - break; -#endif -#ifdef _LANG_pascal - case language_pascal: - fprintf_filtered (stream, "type "); - fprintf_filtered (stream, "%s = ", SYMBOL_SOURCE_NAME (new)); - type_print (type, "", stream, 0); - break; -#endif -#ifdef _LANG_chill - case language_chill: - fprintf_filtered (stream, "SYNMODE "); - if (!TYPE_NAME (SYMBOL_TYPE (new)) || - !STREQ (TYPE_NAME (SYMBOL_TYPE (new)), SYMBOL_NAME (new))) - fprintf_filtered (stream, "%s = ", SYMBOL_SOURCE_NAME (new)); - else - fprintf_filtered (stream, "<builtin> = "); - type_print (type, "", stream, 0); - break; -#endif - default: - error ("Language not supported."); - } - fprintf_filtered (stream, ";\n"); -} - -/* Print a description of a type TYPE in the form of a declaration of a - variable named VARSTRING. (VARSTRING is demangled if necessary.) - Output goes to STREAM (via stdio). - If SHOW is positive, we show the contents of the outermost level - of structure even if there is a type name that could be used instead. - If SHOW is negative, we never show the details of elements' types. */ - -void -type_print (struct type *type, char *varstring, struct ui_file *stream, - int show) -{ - LA_PRINT_TYPE (type, varstring, stream, show, 0); -} - -/* Print type of EXP, or last thing in value history if EXP == NULL. - show is passed to type_print. */ - -static void -whatis_exp (char *exp, int show) -{ - struct expression *expr; - struct value *val; - register struct cleanup *old_chain = NULL; - struct type *real_type = NULL; - struct type *type; - int full = 0; - int top = -1; - int using_enc = 0; - - if (exp) - { - expr = parse_expression (exp); - old_chain = make_cleanup (free_current_contents, &expr); - val = evaluate_type (expr); - } - else - val = access_value_history (0); - - type = VALUE_TYPE (val); - - if (objectprint) - { - if (((TYPE_CODE (type) == TYPE_CODE_PTR) || - (TYPE_CODE (type) == TYPE_CODE_REF)) - && - (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CLASS)) - { - real_type = value_rtti_target_type (val, &full, &top, &using_enc); - if (real_type) - { - if (TYPE_CODE (type) == TYPE_CODE_PTR) - real_type = lookup_pointer_type (real_type); - else - real_type = lookup_reference_type (real_type); - } - } - else if (TYPE_CODE (type) == TYPE_CODE_CLASS) - real_type = value_rtti_type (val, &full, &top, &using_enc); - } - - printf_filtered ("type = "); - - if (real_type) - { - printf_filtered ("/* real type = "); - type_print (real_type, "", gdb_stdout, -1); - if (! full) - printf_filtered (" (incomplete object)"); - printf_filtered (" */\n"); - } - - type_print (type, "", gdb_stdout, show); - printf_filtered ("\n"); - - if (exp) - do_cleanups (old_chain); -} - -/* ARGSUSED */ -static void -whatis_command (char *exp, int from_tty) -{ - /* Most of the time users do not want to see all the fields - in a structure. If they do they can use the "ptype" command. - Hence the "-1" below. */ - whatis_exp (exp, -1); -} - -/* Simple subroutine for ptype_command. */ - -static struct type * -ptype_eval (struct expression *exp) -{ - if (exp->elts[0].opcode == OP_TYPE) - { - return (exp->elts[1].type); - } - else - { - return (NULL); - } -} - -/* TYPENAME is either the name of a type, or an expression. */ - -/* ARGSUSED */ -static void -ptype_command (char *typename, int from_tty) -{ - register struct type *type; - struct expression *expr; - register struct cleanup *old_chain; - - if (typename == NULL) - { - /* Print type of last thing in value history. */ - whatis_exp (typename, 1); - } - else - { - expr = parse_expression (typename); - old_chain = make_cleanup (free_current_contents, &expr); - type = ptype_eval (expr); - if (type != NULL) - { - /* User did "ptype <typename>" */ - printf_filtered ("type = "); - type_print (type, "", gdb_stdout, 1); - printf_filtered ("\n"); - do_cleanups (old_chain); - } - else - { - /* User did "ptype <symbolname>" */ - do_cleanups (old_chain); - whatis_exp (typename, 1); - } - } -} - -/* 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. - - FIXME: This is here simply because only the type printing routines - currently use it, and it wasn't clear if it really belonged somewhere - else (like printcmd.c). There are a lot of other gdb routines that do - something similar, but they are generally concerned with printing values - that come from the inferior in target byte order and target size. */ - -void -print_type_scalar (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 (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: - print_type_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: - error ("internal error: unhandled type in print_type_scalar"); - break; - - default: - error ("Invalid type code in symbol table."); - } - gdb_flush (stream); -} - -/* Dump details of a type specified either directly or indirectly. - Uses the same sort of type lookup mechanism as ptype_command() - and whatis_command(). */ - -void -maintenance_print_type (char *typename, int from_tty) -{ - struct value *val; - register struct type *type; - register struct cleanup *old_chain; - struct expression *expr; - - if (typename != NULL) - { - expr = parse_expression (typename); - old_chain = make_cleanup (free_current_contents, &expr); - if (expr->elts[0].opcode == OP_TYPE) - { - /* The user expression names a type directly, just use that type. */ - type = expr->elts[1].type; - } - else - { - /* The user expression may name a type indirectly by naming an - object of that type. Find that indirectly named type. */ - val = evaluate_type (expr); - type = VALUE_TYPE (val); - } - if (type != NULL) - { - recursive_dump_type (type, 0); - } - do_cleanups (old_chain); - } -} - - -void -_initialize_typeprint (void) -{ - - add_com ("ptype", class_vars, ptype_command, - "Print definition of type TYPE.\n\ -Argument may be a type name defined by typedef, or \"struct STRUCT-TAG\"\n\ -or \"class CLASS-NAME\" or \"union UNION-TAG\" or \"enum ENUM-TAG\".\n\ -The selected stack frame's lexical context is used to look up the name."); - - add_com ("whatis", class_vars, whatis_command, - "Print data type of expression EXP."); - -} |