mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-15 05:13:35 +08:00
d8ce13268e
* language.c, printcmd.c: Lint.
* language.h (get_frame_language): Declare.
* saber.suppress: update.
* stack.c (find_relative_frame): Remove complex code that was
#if 0'd, stick with simple code. Lint.
* saber.suppress: Update a bit.
* symfile.c (add_symbol_file_command): Add "?" to question.
* utils.c (parse_escape): Avoid \a due to bdead compilers.
* value.h: Declare typedef_print.
* valprint.c (val_print, type_print_base): TYPE_CODE_RANGE less
kludgey.
171 lines
6.4 KiB
C
171 lines
6.4 KiB
C
/* Source-language-related definitions for GDB.
|
||
Copyright 1991 Free Software Foundation, Inc.
|
||
Contributed by the Department of Computer Science at the State University
|
||
of New York at Buffalo.
|
||
|
||
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||
|
||
/* This used to be included to configure GDB for one or more specific
|
||
languages. Now it is shortcutted to configure for all of them. FIXME. */
|
||
/* #include "lang_def.h" */
|
||
#define _LANG_c
|
||
#define _LANG_m2
|
||
|
||
/* range_mode ==
|
||
range_mode_auto: range_check set automatically to default of language.
|
||
range_mode_manual: range_check set manually by user. */
|
||
|
||
extern enum range_mode {range_mode_auto, range_mode_manual} range_mode;
|
||
|
||
/* range_check ==
|
||
range_check_on: Ranges are checked in GDB expressions, producing errors.
|
||
range_check_warn: Ranges are checked, producing warnings.
|
||
range_check_off: Ranges are not checked in GDB expressions. */
|
||
|
||
extern enum range_check
|
||
{range_check_off, range_check_warn, range_check_on} range_check;
|
||
|
||
/* type_mode ==
|
||
type_mode_auto: type_check set automatically to default of language
|
||
type_mode_manual: type_check set manually by user. */
|
||
|
||
extern enum type_mode {type_mode_auto, type_mode_manual} type_mode;
|
||
|
||
/* type_check ==
|
||
type_check_on: Types are checked in GDB expressions, producing errors.
|
||
type_check_warn: Types are checked, producing warnings.
|
||
type_check_off: Types are not checked in GDB expressions. */
|
||
|
||
extern enum type_check
|
||
{type_check_off, type_check_warn, type_check_on} type_check;
|
||
|
||
/* Structure tying together assorted information about a language. */
|
||
|
||
struct language_defn {
|
||
char * la_name; /* Name of the language */
|
||
enum language la_language; /* its symtab language-enum (defs.h) */
|
||
struct type ** const
|
||
*la_builtin_type_vector; /* Its builtin types */
|
||
enum range_check la_range_check; /* Default range checking */
|
||
enum type_check la_type_check; /* Default type checking */
|
||
int (*la_parser)(); /* Parser function */
|
||
void (*la_error)(); /* Parser error function */
|
||
struct type **la_longest_int; /* Longest signed integral type */
|
||
struct type **la_longest_unsigned_int; /* Longest uns integral type */
|
||
struct type **la_longest_float; /* Longest floating point type */
|
||
char *la_hex_format; /* Hexadecimal printf format str */
|
||
char *la_hex_format_pre; /* Prefix for custom format string */
|
||
char *la_hex_format_suf; /* Suffix for custom format string */
|
||
char *la_octal_format; /* Octal printf format str */
|
||
char *la_octal_format_pre; /* Prefix for custom format string */
|
||
char *la_octal_format_suf; /* Suffix for custom format string */
|
||
const struct op_print
|
||
*la_op_print_tab; /* Table for printing expressions */
|
||
/* Add fields above this point, so the magic number is always last. */
|
||
long la_magic; /* Magic number for compat checking */
|
||
};
|
||
|
||
#define LANG_MAGIC 910823L
|
||
|
||
/* Pointer to the language_defn for our current language. This pointer
|
||
always points to *some* valid struct; it can be used without checking
|
||
it for validity. */
|
||
|
||
extern struct language_defn *current_language;
|
||
|
||
/* language_mode ==
|
||
language_mode_auto: current_language automatically set upon selection
|
||
of scope (e.g. stack frame)
|
||
language_mode_manual: current_language set only by user. */
|
||
|
||
extern enum language_mode
|
||
{language_mode_auto, language_mode_manual} language_mode;
|
||
|
||
/* These macros define the behaviour of the expression
|
||
evaluator. */
|
||
|
||
/* Should we strictly type check expressions? */
|
||
#define STRICT_TYPE (type_check != range_check_off)
|
||
|
||
/* Should we range check values against the domain of their type? */
|
||
#define RANGE_CHECK (range_check != type_check_off)
|
||
|
||
/* "cast" really means conversion */
|
||
/* FIXME -- should be a setting in language_defn */
|
||
#define CAST_IS_CONVERSION (current_language->la_language == language_c)
|
||
|
||
void language_info();
|
||
void set_language();
|
||
|
||
/* This page contains functions that return things that are
|
||
specific to languages. Each of these functions is based on
|
||
the current setting of working_lang, which the user sets
|
||
with the "set language" command. */
|
||
|
||
/* Returns some built-in types */
|
||
#define longest_int() (*current_language->la_longest_int)
|
||
#define longest_unsigned_int() (*current_language->la_longest_unsigned_int)
|
||
#define longest_float() (*current_language->la_longest_float)
|
||
struct type *binop_result_type();
|
||
|
||
/* Hexadecimal number formatting is in defs.h because it is so common
|
||
throughout GDB. */
|
||
|
||
/* Return a format string for printf that will print a number in the local
|
||
(language-specific) octal format. Result is static and is
|
||
overwritten by the next call. local_octal_format_custom takes printf
|
||
options like "08" or "l" (to produce e.g. %08x or %lx). */
|
||
|
||
#define local_octal_format() (current_language->la_octal_format)
|
||
char *local_octal_format_custom();
|
||
|
||
/* Type predicates */
|
||
int simple_type();
|
||
int ordered_type();
|
||
int same_type();
|
||
int integral_type();
|
||
int numeric_type();
|
||
int character_type();
|
||
int boolean_type();
|
||
int float_type();
|
||
int pointer_type();
|
||
int structured_type();
|
||
|
||
/* Checks Binary and Unary operations for semantic type correctness */
|
||
void binop_type_check();
|
||
#define unop_type_check(v,o) binop_type_check((v),NULL,(o))
|
||
|
||
/* Error messages */
|
||
void op_error();
|
||
#define type_op_error(f,o) \
|
||
op_error((f),(o),type_check==type_check_on ? 1 : 0)
|
||
#define range_op_error(f,o) \
|
||
op_error((f),(o),range_check==range_check_on ? 1 : 0)
|
||
void type_error();
|
||
void range_error();
|
||
|
||
/* Data: Does this value represent "truth" to the current language? */
|
||
int value_true();
|
||
|
||
/* Misc: The string representing a particular enum language. */
|
||
char *language_str();
|
||
|
||
/* Add a language to the set known by GDB (at initialization time). */
|
||
void add_language (); /* Arg is &language_defn */
|
||
|
||
extern enum language get_frame_language (); /* In stack.c */
|