X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gdb%2Ftypeprint.c;h=c25e705d1c7154bf5df410ec9eef948f6e885eed;hb=a493e3e2e429e4832b8620bd920ad07d0c2892d7;hp=37d6ebc39b2aad65e22ddff6f45b04668c9ab378;hpb=2b57629364528ef2fd913154e58f626123d51f1c;p=platform%2Fupstream%2Fbinutils.git diff --git a/gdb/typeprint.c b/gdb/typeprint.c index 37d6ebc..c25e705 100644 --- a/gdb/typeprint.c +++ b/gdb/typeprint.c @@ -1,24 +1,25 @@ /* Language independent support for printing types for GDB, the GNU debugger. - Copyright 1986, 1988, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. -This file is part of GDB. + Copyright (C) 1986, 1988-1989, 1991-1995, 1998-2001, 2003, 2006-2012 + Free Software Foundation, Inc. -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 file is part of GDB. -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. + 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 3 of the License, or + (at your option) any later version. -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. */ + 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, see . */ #include "defs.h" -#include "obstack.h" +#include "gdb_obstack.h" #include "bfd.h" /* Binary File Description */ #include "symtab.h" #include "gdbtypes.h" @@ -29,22 +30,40 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "gdbcmd.h" #include "target.h" #include "language.h" -#include "demangle.h" - +#include "cp-abi.h" +#include "typeprint.h" #include "gdb_string.h" +#include "exceptions.h" +#include "valprint.h" #include -static void -ptype_command PARAMS ((char *, int)); +extern void _initialize_typeprint (void); -static struct type * -ptype_eval PARAMS ((struct expression *)); +static void ptype_command (char *, int); -static void -whatis_command PARAMS ((char *, int)); +static void whatis_command (char *, int); -static void -whatis_exp PARAMS ((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) +{ + LA_PRINT_TYPEDEF (type, new, stream); +} + +/* The default way to print a typedef. */ + +void +default_print_typedef (struct type *type, struct symbol *new_symbol, + struct ui_file *stream) +{ + error (_("Language not supported.")); +} /* Print a description of a type TYPE in the form of a declaration of a variable named VARSTRING. (VARSTRING is demangled if necessary.) @@ -54,26 +73,54 @@ whatis_exp PARAMS ((char *, int)); If SHOW is negative, we never show the details of elements' types. */ void -type_print (type, varstring, stream, show) - struct type *type; - char *varstring; - GDB_FILE *stream; - int show; +type_print (struct type *type, const char *varstring, struct ui_file *stream, + int show) { LA_PRINT_TYPE (type, varstring, stream, show, 0); } +/* Print TYPE to a string, returning it. The caller is responsible for + freeing the string. */ + +char * +type_to_string (struct type *type) +{ + char *s = NULL; + struct ui_file *stb; + struct cleanup *old_chain; + volatile struct gdb_exception except; + + stb = mem_fileopen (); + old_chain = make_cleanup_ui_file_delete (stb); + + TRY_CATCH (except, RETURN_MASK_ALL) + { + type_print (type, "", stb, -1); + s = ui_file_xstrdup (stb, NULL); + } + if (except.reason < 0) + s = NULL; + + do_cleanups (old_chain); + + return s; +} + /* Print type of EXP, or last thing in value history if EXP == NULL. show is passed to type_print. */ static void -whatis_exp (exp, show) - char *exp; - int show; +whatis_exp (char *exp, int show) { struct expression *expr; - register value_ptr val; - register struct cleanup *old_chain = NULL; + struct value *val; + struct cleanup *old_chain = NULL; + struct type *real_type = NULL; + struct type *type; + int full = 0; + int top = -1; + int using_enc = 0; + struct value_print_options opts; if (exp) { @@ -84,19 +131,39 @@ whatis_exp (exp, show) else val = access_value_history (0); + type = value_type (val); + + get_user_print_options (&opts); + if (opts.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_indirect_type (val, &full, &top, &using_enc); + else if (TYPE_CODE (type) == TYPE_CODE_CLASS) + real_type = value_rtti_type (val, &full, &top, &using_enc); + } + printf_filtered ("type = "); - type_print (VALUE_TYPE (val), "", gdb_stdout, show); + + 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 (exp, from_tty) - char *exp; - int from_tty; +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. @@ -104,59 +171,12 @@ whatis_command (exp, from_tty) whatis_exp (exp, -1); } -/* Simple subroutine for ptype_command. */ - -static struct type * -ptype_eval (exp) - 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 (typename, from_tty) - char *typename; - int from_tty; +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 " */ - printf_filtered ("type = "); - type_print (type, "", gdb_stdout, 1); - printf_filtered ("\n"); - do_cleanups (old_chain); - } - else - { - /* User did "ptype " */ - do_cleanups (old_chain); - whatis_exp (typename, 1); - } - } + whatis_exp (typename, 1); } /* Print integral scalar data VAL, of type TYPE, onto stdio stream STREAM. @@ -169,17 +189,16 @@ ptype_command (typename, from_tty) 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. */ + that come from the inferior in target byte order and target size. */ void -print_type_scalar (type, val, stream) - struct type *type; - LONGEST val; - GDB_FILE *stream; +print_type_scalar (struct type *type, LONGEST val, struct ui_file *stream) { unsigned int i; unsigned len; + CHECK_TYPEDEF (type); + switch (TYPE_CODE (type)) { @@ -187,7 +206,7 @@ print_type_scalar (type, val, stream) len = TYPE_NFIELDS (type); for (i = 0; i < len; i++) { - if (TYPE_FIELD_BITPOS (type, i) == val) + if (TYPE_FIELD_ENUMVAL (type, i) == val) { break; } @@ -207,13 +226,17 @@ print_type_scalar (type, val, stream) break; case TYPE_CODE_CHAR: - LA_PRINT_CHAR ((unsigned char) val, stream); + LA_PRINT_CHAR ((unsigned char) val, type, 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: @@ -223,75 +246,70 @@ print_type_scalar (type, val, stream) case TYPE_CODE_FLT: case TYPE_CODE_VOID: case TYPE_CODE_SET: - case TYPE_CODE_RANGE: case TYPE_CODE_STRING: case TYPE_CODE_ERROR: - case TYPE_CODE_MEMBER: + case TYPE_CODE_MEMBERPTR: + case TYPE_CODE_METHODPTR: case TYPE_CODE_METHOD: case TYPE_CODE_REF: - error ("internal error: unhandled type in print_type_scalar"); + case TYPE_CODE_NAMESPACE: + error (_("internal error: unhandled type in print_type_scalar")); break; default: - error ("Invalid type code in symbol table."); + error (_("Invalid type code in symbol table.")); } gdb_flush (stream); } -#if MAINTENANCE_CMDS - /* Dump details of a type specified either directly or indirectly. Uses the same sort of type lookup mechanism as ptype_command() - and whatis_command(). */ + and whatis_command(). */ void -maintenance_print_type (typename, from_tty) - char *typename; - int from_tty; +maintenance_print_type (char *typename, int from_tty) { - register value_ptr val; - register struct type *type; - register struct cleanup *old_chain; + struct value *val; + struct type *type; + 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); - } + { + 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); + } } - -#endif /* MAINTENANCE_CMDS */ - + void -_initialize_typeprint () +_initialize_typeprint (void) { - - add_com ("ptype", class_vars, ptype_command, - "Print definition of type TYPE.\n\ + 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."); +The selected stack frame's lexical context is used to look up the name.\n\ +Contrary to \"whatis\", \"ptype\" always unrolls any typedefs.")); add_com ("whatis", class_vars, whatis_command, - "Print data type of expression EXP."); - + _("Print data type of expression EXP.\n\ +Only one level of typedefs is unrolled. See also \"ptype\".")); }