/* Multiple source language support for GDB.
Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
+ 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
Contributed by the Department of Computer Science at the State University
/* This file contains functions that return things that are specific
to languages. Each function should examine current_language if necessary,
- and return the appropriate result. */
+ and return the appropriate result. */
/* FIXME: Most of these would be better organized as macros which
return data out of a "language-specific" struct pointer that is set
static void unk_lang_printchar (int c, struct type *type,
struct ui_file *stream);
-static void unk_lang_print_type (struct type *, char *, struct ui_file *,
+static void unk_lang_print_type (struct type *, const char *, struct ui_file *,
int, int);
static int unk_lang_value_print (struct value *, struct ui_file *,
enum case_mode case_mode = case_mode_auto;
enum case_sensitivity case_sensitivity = case_sensitive_on;
-/* The current language and language_mode (see language.h) */
+/* The current language and language_mode (see language.h). */
const struct language_defn *current_language = &unknown_language_defn;
enum language_mode language_mode = language_mode_auto;
static const char *case_sensitive;
/* Warning issued when current_language and the language of the current
- frame do not match. */
+ frame do not match. */
char lang_frame_mismatch_warn[] =
"Warning: the current language does not match this frame.";
\f
/* This page contains the functions corresponding to GDB commands
- and their helpers. */
+ and their helpers. */
/* Show command. Display a warning if the language set
- does not match the frame. */
+ does not match the frame. */
static void
show_language_command (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- enum language flang; /* The language of the current frame */
+ enum language flang; /* The language of the current frame. */
if (language_mode == language_mode_auto)
fprintf_filtered (gdb_stdout,
"\"auto; currently %s\".\n"),
current_language->la_name);
else
- fprintf_filtered (gdb_stdout, _("The current source language is \"%s\".\n"),
+ fprintf_filtered (gdb_stdout,
+ _("The current source language is \"%s\".\n"),
current_language->la_name);
flang = get_frame_language ();
printf_filtered ("%s\n", lang_frame_mismatch_warn);
}
-/* Set command. Change the current working language. */
+/* Set command. Change the current working language. */
static void
set_language_command (char *ignore, int from_tty, struct cmd_list_element *c)
{
}
/* Show command. Display a warning if the type setting does
- not match the current language. */
+ not match the current language. */
static void
show_type_command (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
" does not match the language.\n"));
}
-/* Set command. Change the setting for type checking. */
+/* Set command. Change the setting for type checking. */
static void
set_type_command (char *ignore, int from_tty, struct cmd_list_element *c)
{
}
/* Show command. Display a warning if the range setting does
- not match the current language. */
+ not match the current language. */
static void
show_range_command (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
"does not match the language.\n"));
}
-/* Set command. Change the setting for range checking. */
+/* Set command. Change the setting for range checking. */
static void
set_range_command (char *ignore, int from_tty, struct cmd_list_element *c)
{
}
/* Show command. Display a warning if the case sensitivity setting does
- not match the current language. */
+ not match the current language. */
static void
show_case_command (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
tmp);
}
else
- fprintf_filtered (gdb_stdout, _("Case sensitivity in name search is \"%s\".\n"),
+ fprintf_filtered (gdb_stdout,
+ _("Case sensitivity in name search is \"%s\".\n"),
value);
if (case_sensitivity != current_language->la_case_sensitivity)
/* Set the status of range and type checking and case sensitivity based on
the current modes and the current language.
If SHOW is non-zero, then print out the current language,
- type and range checking status. */
+ type and range checking status. */
static void
set_type_range_case (void)
{
case_sensitivity = current_language->la_case_sensitivity;
}
-/* Set current language to (enum language) LANG. Returns previous language. */
+/* Set current language to (enum language) LANG. Returns previous
+ language. */
enum language
set_language (enum language lang)
}
}
\f
-/* Return the result of a binary operation. */
+/* Return the result of a binary operation. */
#if 0 /* Currently unused */
{
case language_c:
case language_cplus:
+ case language_d:
case language_objc:
if (TYPE_CODE (t1) == TYPE_CODE_FLT)
return TYPE_CODE (t2) == TYPE_CODE_FLT && l2 > l1 ?
return VALUE_TYPE (v1);
else if (TYPE_UNSIGNED (t2) && l2 > l1)
return VALUE_TYPE (v2);
- else /* Both are signed. Result is the longer type */
+ else /* Both are signed. Result is the
+ longer type. */
return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2);
break;
case language_m2:
/* If we are doing type-checking, l1 should equal l2, so this is
- not needed. */
+ not needed. */
return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2);
break;
}
Note that some of them are not currently dependent upon which language
is currently being parsed. For example, floats are the same in
C and Modula-2 (ie. the only floating point type has TYPE_CODE of
- TYPE_CODE_FLT), while booleans are different. */
+ TYPE_CODE_FLT), while booleans are different. */
/* Returns non-zero if its argument is a simple type. This is the same for
both Modula-2 and for C. In the C case, TYPE_CODE_CHAR will never occur,
- and thus will never cause the failure of the test. */
+ and thus will never cause the failure of the test. */
int
simple_type (struct type *type)
{
/* Returns non-zero if its argument is of an ordered type.
An ordered type is one in which the elements can be tested for the
properties of "greater than", "less than", etc, or for which the
- operations "increment" or "decrement" make sense. */
+ operations "increment" or "decrement" make sense. */
int
ordered_type (struct type *type)
{
}
}
-/* Returns non-zero if the two types are the same */
+/* Returns non-zero if the two types are the same. */
int
same_type (struct type *arg1, struct type *arg2)
{
CHECK_TYPEDEF (type);
- if (structured_type (arg1) ? !structured_type (arg2) : structured_type (arg2))
- /* One is structured and one isn't */
+ if (structured_type (arg1)
+ ? !structured_type (arg2) : structured_type (arg2))
+ /* One is structured and one isn't. */
return 0;
else if (structured_type (arg1) && structured_type (arg2))
return arg1 == arg2;
return arg1 == arg2;
}
-/* Returns non-zero if the type is integral */
+/* Returns non-zero if the type is integral. */
int
integral_type (struct type *type)
{
{
case language_c:
case language_cplus:
+ case language_d:
case language_objc:
return (TYPE_CODE (type) != TYPE_CODE_INT) &&
(TYPE_CODE (type) != TYPE_CODE_ENUM) ? 0 : 1;
}
}
-/* Returns non-zero if the value is numeric */
+/* Returns non-zero if the value is numeric. */
int
numeric_type (struct type *type)
{
}
}
-/* Returns non-zero if the value is a character type */
+/* Returns non-zero if the value is a character type. */
int
character_type (struct type *type)
{
case language_c:
case language_cplus:
+ case language_d:
case language_objc:
return (TYPE_CODE (type) == TYPE_CODE_INT) &&
TYPE_LENGTH (type) == sizeof (char)
}
}
-/* Returns non-zero if the value is a string type */
+/* Returns non-zero if the value is a string type. */
int
string_type (struct type *type)
{
case language_c:
case language_cplus:
+ case language_d:
case language_objc:
- /* C does not have distinct string type. */
+ /* C does not have distinct string type. */
return (0);
default:
return (0);
}
}
-/* Returns non-zero if the value is a boolean type */
+/* Returns non-zero if the value is a boolean type. */
int
boolean_type (struct type *type)
{
{
case language_c:
case language_cplus:
+ case language_d:
case language_objc:
/* Might be more cleanly handled by having a
TYPE_CODE_INT_NOT_BOOL for (the deleted) CHILL and such
return 0;
}
-/* Returns non-zero if the value is a floating-point type */
+/* Returns non-zero if the value is a floating-point type. */
int
float_type (struct type *type)
{
}
#endif
-/* Returns non-zero if the value is a pointer type */
+/* Returns non-zero if the value is a pointer type. */
int
pointer_type (struct type *type)
{
}
#if 0
-/* Returns non-zero if the value is a structured type */
+/* Returns non-zero if the value is a structured type. */
int
structured_type (struct type *type)
{
{
case language_c:
case language_cplus:
+ case language_d:
case language_objc:
return (TYPE_CODE (type) == TYPE_CODE_STRUCT) ||
(TYPE_CODE (type) == TYPE_CODE_UNION) ||
#endif
\f
/* This page contains functions that return info about
- (struct value) values used in GDB. */
+ (struct value) values used in GDB. */
-/* Returns non-zero if the value VAL represents a true value. */
+/* Returns non-zero if the value VAL represents a true value. */
int
value_true (struct value *val)
{
\f
/* This page contains functions for the printing out of
error messages that occur during type- and range-
- checking. */
+ checking. */
/* These are called when a language fails a type- or range-check. The
first argument should be a printf()-style format string, and the
rest of the arguments should be its arguments. If
[type|range]_check is [type|range]_check_on, an error is printed;
if [type|range]_check_warn, a warning; otherwise just the
- message. */
+ message. */
void
type_error (const char *string,...)
{
va_list args;
- va_start (args, string);
+ va_start (args, string);
switch (type_check)
{
case type_check_warn:
range_error (const char *string,...)
{
va_list args;
- va_start (args, string);
+ va_start (args, string);
switch (range_check)
{
case range_check_warn:
}
\f
-/* This page contains miscellaneous functions */
+/* This page contains miscellaneous functions. */
-/* Return the language enum for a given language string. */
+/* Return the language enum for a given language string. */
enum language
language_enum (char *str)
return language_unknown;
}
-/* Return the language struct for a given language enum. */
+/* Return the language struct for a given language enum. */
const struct language_defn *
language_def (enum language lang)
return NULL;
}
-/* Return the language as a string */
+/* Return the language as a string. */
char *
language_str (enum language lang)
{
if (lang->la_magic != LANG_MAGIC)
{
- fprintf_unfiltered (gdb_stderr, "Magic number of %s language struct wrong\n",
+ fprintf_unfiltered (gdb_stderr,
+ "Magic number of %s language struct wrong\n",
lang->la_name);
- internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
+ internal_error (__FILE__, __LINE__,
+ _("failed internal consistency check"));
}
if (!languages)
/* Build the "help set language" docs. */
tmp_stream = mem_fileopen ();
- fprintf_unfiltered (tmp_stream, _("\
-Set the current source language.\n\
-The currently understood settings are:\n\n\
-local or auto Automatic setting based on source file\n"));
+ fprintf_unfiltered (tmp_stream,
+ _("Set the current source language.\n"
+ "The currently understood settings are:\n\nlocal or "
+ "auto Automatic setting based on source file\n"));
for (i = 0; i < languages_size; ++i)
{
add_setshow_enum_cmd ("language", class_support,
(const char **) language_names,
&language,
- language_set_doc, _("\
-Show the current source language."), NULL,
- set_language_command,
+ language_set_doc,
+ _("Show the current source language."),
+ NULL, set_language_command,
show_language_command,
&setlist, &showlist);
if (languages[i]->skip_trampoline)
{
CORE_ADDR real_pc = (languages[i]->skip_trampoline) (frame, pc);
+
if (real_pc)
return real_pc;
}
return 0;
}
-/* Return demangled language symbol, or NULL.
+/* Return demangled language symbol, or NULL.
FIXME: Options are only useful for certain languages and ignored
by others, so it would be better to remove them here and have a
- more flexible demangler for the languages that need it.
+ more flexible demangler for the languages that need it.
FIXME: Sometimes the demangler is invoked when we don't know the
language, so we can't use this everywhere. */
char *
/* Return class name from physname or NULL. */
char *
-language_class_name_from_physname (const struct language_defn *current_language,
+language_class_name_from_physname (const struct language_defn *curr_language,
const char *physname)
{
- if (current_language != NULL && current_language->la_class_name_from_physname)
+ if (current_language != NULL
+ && current_language->la_class_name_from_physname)
return current_language->la_class_name_from_physname (physname);
return NULL;
}
unk_lang_emit_char (int c, struct type *type, struct ui_file *stream,
int quoter)
{
- error (_("internal error - unimplemented function unk_lang_emit_char called."));
+ error (_("internal error - unimplemented "
+ "function unk_lang_emit_char called."));
}
static void
unk_lang_printchar (int c, struct type *type, struct ui_file *stream)
{
- error (_("internal error - unimplemented function unk_lang_printchar called."));
+ error (_("internal error - unimplemented "
+ "function unk_lang_printchar called."));
}
static void
unk_lang_printstr (struct ui_file *stream, struct type *type,
const gdb_byte *string, unsigned int length,
- int force_ellipses,
+ const char *encoding, int force_ellipses,
const struct value_print_options *options)
{
- error (_("internal error - unimplemented function unk_lang_printstr called."));
+ error (_("internal error - unimplemented "
+ "function unk_lang_printstr called."));
}
static void
-unk_lang_print_type (struct type *type, char *varstring, struct ui_file *stream,
- int show, int level)
+unk_lang_print_type (struct type *type, const char *varstring,
+ struct ui_file *stream, int show, int level)
{
- error (_("internal error - unimplemented function unk_lang_print_type called."));
+ error (_("internal error - unimplemented "
+ "function unk_lang_print_type called."));
}
static int
unk_lang_val_print (struct type *type, const gdb_byte *valaddr,
int embedded_offset, CORE_ADDR address,
struct ui_file *stream, int recurse,
+ const struct value *val,
const struct value_print_options *options)
{
- error (_("internal error - unimplemented function unk_lang_val_print called."));
+ error (_("internal error - unimplemented "
+ "function unk_lang_val_print called."));
}
static int
unk_lang_value_print (struct value *val, struct ui_file *stream,
const struct value_print_options *options)
{
- error (_("internal error - unimplemented function unk_lang_value_print called."));
+ error (_("internal error - unimplemented "
+ "function unk_lang_value_print called."));
}
static CORE_ADDR unk_lang_trampoline (struct frame_info *frame, CORE_ADDR pc)
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
basic_lookup_transparent_type,/* lookup_transparent_type */
unk_lang_demangle, /* Language specific symbol demangler */
- unk_lang_class_name, /* Language specific class_name_from_physname */
+ unk_lang_class_name, /* Language specific
+ class_name_from_physname */
unk_op_print_tab, /* expression operators for printing */
1, /* c-style arrays */
0, /* String lower bound */
LANG_MAGIC
};
-/* These two structs define fake entries for the "local" and "auto" options. */
+/* These two structs define fake entries for the "local" and "auto"
+ options. */
const struct language_defn auto_language_defn =
{
"auto",
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
basic_lookup_transparent_type,/* lookup_transparent_type */
unk_lang_demangle, /* Language specific symbol demangler */
- unk_lang_class_name, /* Language specific class_name_from_physname */
+ unk_lang_class_name, /* Language specific
+ class_name_from_physname */
unk_op_print_tab, /* expression operators for printing */
1, /* c-style arrays */
0, /* String lower bound */
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
basic_lookup_transparent_type,/* lookup_transparent_type */
unk_lang_demangle, /* Language specific symbol demangler */
- unk_lang_class_name, /* Language specific class_name_from_physname */
+ unk_lang_class_name, /* Language specific
+ class_name_from_physname */
unk_op_print_tab, /* expression operators for printing */
1, /* c-style arrays */
0, /* String lower bound */
{
struct language_gdbarch *ld = gdbarch_data (gdbarch,
language_gdbarch_data);
+
return ld->arch_info[la->la_language].string_char_type;
}
if (ld->arch_info[la->la_language].bool_type_symbol)
{
struct symbol *sym;
+
sym = lookup_symbol (ld->arch_info[la->la_language].bool_type_symbol,
NULL, VAR_DOMAIN, NULL);
if (sym)
{
struct type *type = SYMBOL_TYPE (sym);
+
if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
return type;
}
struct language_gdbarch *ld = gdbarch_data (gdbarch,
language_gdbarch_data);
struct type *const *p;
+
for (p = ld->arch_info[la->la_language].primitive_type_vector;
(*p) != NULL;
p++)
return (NULL);
}
-/* Initialize the language routines */
+/* Initialize the language routines. */
void
_initialize_language (void)
language_gdbarch_data
= gdbarch_data_register_post_init (language_gdbarch_post_init);
- /* GDB commands for language specific stuff */
+ /* GDB commands for language specific stuff. */
add_prefix_cmd ("check", no_class, set_check,
_("Set the status of the type/range checker."),
add_alias_cmd ("c", "check", no_class, 1, &showlist);
add_alias_cmd ("ch", "check", no_class, 1, &showlist);
- add_setshow_enum_cmd ("type", class_support, type_or_range_names, &type, _("\
-Set type checking. (on/warn/off/auto)"), _("\
-Show type checking. (on/warn/off/auto)"), NULL,
- set_type_command,
+ add_setshow_enum_cmd ("type", class_support, type_or_range_names, &type,
+ _("Set type checking. (on/warn/off/auto)"),
+ _("Show type checking. (on/warn/off/auto)"),
+ NULL, set_type_command,
show_type_command,
&setchecklist, &showchecklist);
add_setshow_enum_cmd ("range", class_support, type_or_range_names,
- &range, _("\
-Set range checking. (on/warn/off/auto)"), _("\
-Show range checking. (on/warn/off/auto)"), NULL,
- set_range_command,
+ &range,
+ _("Set range checking. (on/warn/off/auto)"),
+ _("Show range checking. (on/warn/off/auto)"),
+ NULL, set_range_command,
show_range_command,
&setchecklist, &showchecklist);
range = xstrdup ("auto");
case_sensitive = xstrdup ("auto");
- /* Have the above take effect */
+ /* Have the above take effect. */
set_language (language_auto);
}
projects / deliverable / binutils-gdb.git / blobdiff