/* Multiple source language support for GDB.
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
- 2001, 2002, 2003 Free Software Foundation, Inc.
+ 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
Contributed by the Department of Computer Science at the State University
of New York at Buffalo.
static void unk_lang_printchar (int c, struct ui_file *stream);
-static void unk_lang_printstr (struct ui_file * stream, char *string,
- unsigned int length, int width,
- int force_ellipses);
-
static struct type *unk_lang_create_fundamental_type (struct objfile *, int);
static void unk_lang_print_type (struct type *, char *, struct ui_file *,
int, int);
-static int unk_lang_val_print (struct type *, char *, int, CORE_ADDR,
- struct ui_file *, int, int, int,
- enum val_prettyprint);
-
static int unk_lang_value_print (struct value *, struct ui_file *, int, enum val_prettyprint);
static CORE_ADDR unk_lang_trampoline (CORE_ADDR pc);
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. */
/* Search the list of languages for a match. */
for (i = 0; i < languages_size; i++)
{
- if (STREQ (languages[i]->la_name, language))
+ if (strcmp (languages[i]->la_name, language) == 0)
{
/* Found it! Go into manual mode, and use this language. */
if (languages[i]->la_language == language_auto)
static void
set_type_command (char *ignore, int from_tty)
{
- if (STREQ (type, "on"))
+ if (strcmp (type, "on") == 0)
{
type_check = type_check_on;
type_mode = type_mode_manual;
}
- else if (STREQ (type, "warn"))
+ else if (strcmp (type, "warn") == 0)
{
type_check = type_check_warn;
type_mode = type_mode_manual;
}
- else if (STREQ (type, "off"))
+ else if (strcmp (type, "off") == 0)
{
type_check = type_check_off;
type_mode = type_mode_manual;
}
- else if (STREQ (type, "auto"))
+ else if (strcmp (type, "auto") == 0)
{
type_mode = type_mode_auto;
set_type_range_case ();
static void
set_range_command (char *ignore, int from_tty)
{
- if (STREQ (range, "on"))
+ if (strcmp (range, "on") == 0)
{
range_check = range_check_on;
range_mode = range_mode_manual;
}
- else if (STREQ (range, "warn"))
+ else if (strcmp (range, "warn") == 0)
{
range_check = range_check_warn;
range_mode = range_mode_manual;
}
- else if (STREQ (range, "off"))
+ else if (strcmp (range, "off") == 0)
{
range_check = range_check_off;
range_mode = range_mode_manual;
}
- else if (STREQ (range, "auto"))
+ else if (strcmp (range, "auto") == 0)
{
range_mode = range_mode_auto;
set_type_range_case ();
static void
set_case_command (char *ignore, int from_tty)
{
- if (STREQ (case_sensitive, "on"))
+ if (DEPRECATED_STREQ (case_sensitive, "on"))
{
case_sensitivity = case_sensitive_on;
case_mode = case_mode_manual;
}
- else if (STREQ (case_sensitive, "off"))
+ else if (DEPRECATED_STREQ (case_sensitive, "off"))
{
case_sensitivity = case_sensitive_off;
case_mode = case_mode_manual;
}
- else if (STREQ (case_sensitive, "auto"))
+ else if (DEPRECATED_STREQ (case_sensitive, "auto"))
{
case_mode = case_mode_auto;
set_type_range_case ();
}
#endif /* 0 */
-\f
-
-/* This page contains functions that return format strings for
- printf for printing out numbers in different formats */
-
-/* Returns the appropriate printf format for hexadecimal
- numbers. */
-char *
-local_hex_format_custom (char *pre)
-{
- static char form[50];
-
- strcpy (form, local_hex_format_prefix ());
- strcat (form, "%");
- strcat (form, pre);
- strcat (form, local_hex_format_specifier ());
- strcat (form, local_hex_format_suffix ());
- return form;
-}
-
-/* Converts a LONGEST to custom hexadecimal and stores it in a static
- string. Returns a pointer to this string. */
-char *
-local_hex_string (LONGEST num)
-{
- return local_hex_string_custom (num, "l");
-}
-
-/* Converts a LONGEST number to custom hexadecimal and stores it in a static
- string. Returns a pointer to this string. Note that the width parameter
- should end with "l", e.g. "08l" as with calls to local_hex_string_custom */
-
-char *
-local_hex_string_custom (LONGEST num, char *width)
-{
-#define RESULT_BUF_LEN 50
- static char res2[RESULT_BUF_LEN];
- char format[RESULT_BUF_LEN];
- int field_width;
- int num_len;
- int num_pad_chars;
- char *pad_char; /* string with one character */
- int pad_on_left;
- char *parse_ptr;
- char temp_nbr_buf[RESULT_BUF_LEN];
-
- /* Use phex_nz to print the number into a string, then
- build the result string from local_hex_format_prefix, padding and
- the hex representation as indicated by "width". */
- strcpy (temp_nbr_buf, phex_nz (num, sizeof (num)));
- /* parse width */
- parse_ptr = width;
- pad_on_left = 1;
- pad_char = " ";
- if (*parse_ptr == '-')
- {
- parse_ptr++;
- pad_on_left = 0;
- }
- if (*parse_ptr == '0')
- {
- parse_ptr++;
- if (pad_on_left)
- pad_char = "0"; /* If padding is on the right, it is blank */
- }
- field_width = atoi (parse_ptr);
- num_len = strlen (temp_nbr_buf);
- num_pad_chars = field_width - strlen (temp_nbr_buf); /* possibly negative */
-
- if (strlen (local_hex_format_prefix ()) + num_len + num_pad_chars
- >= RESULT_BUF_LEN) /* paranoia */
- internal_error (__FILE__, __LINE__,
- "local_hex_string_custom: insufficient space to store result");
-
- strcpy (res2, local_hex_format_prefix ());
- if (pad_on_left)
- {
- while (num_pad_chars > 0)
- {
- strcat (res2, pad_char);
- num_pad_chars--;
- }
- }
- strcat (res2, temp_nbr_buf);
- if (!pad_on_left)
- {
- while (num_pad_chars > 0)
- {
- strcat (res2, pad_char);
- num_pad_chars--;
- }
- }
- return res2;
-
-} /* local_hex_string_custom */
-
-/* Returns the appropriate printf format for octal
- numbers. */
-char *
-local_octal_format_custom (char *pre)
-{
- static char form[50];
-
- strcpy (form, local_octal_format_prefix ());
- strcat (form, "%");
- strcat (form, pre);
- strcat (form, local_octal_format_specifier ());
- strcat (form, local_octal_format_suffix ());
- return form;
-}
-
-/* Returns the appropriate printf format for decimal numbers. */
-char *
-local_decimal_format_custom (char *pre)
-{
- static char form[50];
-
- strcpy (form, local_decimal_format_prefix ());
- strcat (form, "%");
- strcat (form, pre);
- strcat (form, local_decimal_format_specifier ());
- strcat (form, local_decimal_format_suffix ());
- return form;
-}
-\f
#if 0
/* This page contains functions that are used in type/range checking.
They all return zero if the type/range check fails.
return !value_logical_not (val);
}
\f
-/* Returns non-zero if the operator OP is defined on
- the values ARG1 and ARG2. */
-
-#if 0 /* Currently unused */
-
-void
-binop_type_check (struct value *arg1, struct value *arg2, int op)
-{
- struct type *t1, *t2;
-
- /* If we're not checking types, always return success. */
- if (!STRICT_TYPE)
- return;
-
- t1 = VALUE_TYPE (arg1);
- if (arg2 != NULL)
- t2 = VALUE_TYPE (arg2);
- else
- t2 = NULL;
-
- switch (op)
- {
- case BINOP_ADD:
- case BINOP_SUB:
- if ((numeric_type (t1) && pointer_type (t2)) ||
- (pointer_type (t1) && numeric_type (t2)))
- {
- warning ("combining pointer and integer.\n");
- break;
- }
- case BINOP_MUL:
- case BINOP_LSH:
- case BINOP_RSH:
- if (!numeric_type (t1) || !numeric_type (t2))
- type_op_error ("Arguments to %s must be numbers.", op);
- else if (!same_type (t1, t2))
- type_op_error ("Arguments to %s must be of the same type.", op);
- break;
-
- case BINOP_LOGICAL_AND:
- case BINOP_LOGICAL_OR:
- if (!boolean_type (t1) || !boolean_type (t2))
- type_op_error ("Arguments to %s must be of boolean type.", op);
- break;
-
- case BINOP_EQUAL:
- if ((pointer_type (t1) && !(pointer_type (t2) || integral_type (t2))) ||
- (pointer_type (t2) && !(pointer_type (t1) || integral_type (t1))))
- type_op_error ("A pointer can only be compared to an integer or pointer.", op);
- else if ((pointer_type (t1) && integral_type (t2)) ||
- (integral_type (t1) && pointer_type (t2)))
- {
- warning ("combining integer and pointer.\n");
- break;
- }
- else if (!simple_type (t1) || !simple_type (t2))
- type_op_error ("Arguments to %s must be of simple type.", op);
- else if (!same_type (t1, t2))
- type_op_error ("Arguments to %s must be of the same type.", op);
- break;
-
- case BINOP_REM:
- case BINOP_MOD:
- if (!integral_type (t1) || !integral_type (t2))
- type_op_error ("Arguments to %s must be of integral type.", op);
- break;
-
- case BINOP_LESS:
- case BINOP_GTR:
- case BINOP_LEQ:
- case BINOP_GEQ:
- if (!ordered_type (t1) || !ordered_type (t2))
- type_op_error ("Arguments to %s must be of ordered type.", op);
- else if (!same_type (t1, t2))
- type_op_error ("Arguments to %s must be of the same type.", op);
- break;
-
- case BINOP_ASSIGN:
- if (pointer_type (t1) && !integral_type (t2))
- type_op_error ("A pointer can only be assigned an integer.", op);
- else if (pointer_type (t1) && integral_type (t2))
- {
- warning ("combining integer and pointer.");
- break;
- }
- else if (!simple_type (t1) || !simple_type (t2))
- type_op_error ("Arguments to %s must be of simple type.", op);
- else if (!same_type (t1, t2))
- type_op_error ("Arguments to %s must be of the same type.", op);
- break;
-
- case BINOP_CONCAT:
- /* FIXME: Needs to handle bitstrings as well. */
- if (!(string_type (t1) || character_type (t1) || integral_type (t1))
- || !(string_type (t2) || character_type (t2) || integral_type (t2)))
- type_op_error ("Arguments to %s must be strings or characters.", op);
- break;
-
- /* Unary checks -- arg2 is null */
-
- case UNOP_LOGICAL_NOT:
- if (!boolean_type (t1))
- type_op_error ("Argument to %s must be of boolean type.", op);
- break;
-
- case UNOP_PLUS:
- case UNOP_NEG:
- if (!numeric_type (t1))
- type_op_error ("Argument to %s must be of numeric type.", op);
- break;
-
- case UNOP_IND:
- if (integral_type (t1))
- {
- warning ("combining pointer and integer.\n");
- break;
- }
- else if (!pointer_type (t1))
- type_op_error ("Argument to %s must be a pointer.", op);
- break;
-
- case UNOP_PREINCREMENT:
- case UNOP_POSTINCREMENT:
- case UNOP_PREDECREMENT:
- case UNOP_POSTDECREMENT:
- if (!ordered_type (t1))
- type_op_error ("Argument to %s must be of an ordered type.", op);
- break;
-
- default:
- /* Ok. The following operators have different meanings in
- different languages. */
- switch (current_language->la_language)
- {
-#ifdef _LANG_c
- case language_c:
- case language_cplus:
- case language_objc:
- switch (op)
- {
- case BINOP_DIV:
- if (!numeric_type (t1) || !numeric_type (t2))
- type_op_error ("Arguments to %s must be numbers.", op);
- break;
- }
- break;
-#endif
-
-#ifdef _LANG_m2
- case language_m2:
- switch (op)
- {
- case BINOP_DIV:
- if (!float_type (t1) || !float_type (t2))
- type_op_error ("Arguments to %s must be floating point numbers.", op);
- break;
- case BINOP_INTDIV:
- if (!integral_type (t1) || !integral_type (t2))
- type_op_error ("Arguments to %s must be of integral type.", op);
- break;
- }
-#endif
-
-#ifdef _LANG_pascal
- case language_pascal:
- switch(op)
- {
- case BINOP_DIV:
- if (!float_type(t1) && !float_type(t2))
- type_op_error ("Arguments to %s must be floating point numbers.",op);
- break;
- case BINOP_INTDIV:
- if (!integral_type(t1) || !integral_type(t2))
- type_op_error ("Arguments to %s must be of integral type.",op);
- break;
- }
-#endif
-
- }
- }
-}
-
-#endif /* 0 */
-\f
-
/* This page contains functions for the printing out of
error messages that occur during type- and range-
checking. */
-/* Prints the format string FMT with the operator as a string
- corresponding to the opcode OP. If FATAL is non-zero, then
- this is an error and error () is called. Otherwise, it is
- a warning and printf() is called. */
-void
-op_error (char *fmt, enum exp_opcode op, int fatal)
-{
- if (fatal)
- error (fmt, op_string (op));
- else
- {
- warning (fmt, op_string (op));
- }
-}
-
/* 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
int i;
for (i = 0; i < languages_size; i++)
- if (STREQ (languages[i]->la_name, str))
+ if (DEPRECATED_STREQ (languages[i]->la_name, str))
return languages[i]->la_language;
return language_unknown;
return NULL;
}
+/* Return class name from physname or NULL. */
+char *
+language_class_name_from_physname (const struct language_defn *current_language,
+ const char *physname)
+{
+ if (current_language != NULL && current_language->la_class_name_from_physname)
+ return current_language->la_class_name_from_physname (physname);
+ return NULL;
+}
+
+/* Return the default string containing the list of characters
+ delimiting words. This is a reasonable default value that
+ most languages should be able to use. */
+
+char *
+default_word_break_characters (void)
+{
+ return " \t\n!@#$%^&*()+=|~`}{[]\"';:?/>.<,-";
+}
/* Define the language that is no language. */
}
static void
-unk_lang_emit_char (register int c, struct ui_file *stream, int quoter)
+unk_lang_emit_char (int c, struct ui_file *stream, int quoter)
{
error ("internal error - unimplemented function unk_lang_emit_char called.");
}
static void
-unk_lang_printchar (register int c, struct ui_file *stream)
+unk_lang_printchar (int c, struct ui_file *stream)
{
error ("internal error - unimplemented function unk_lang_printchar called.");
}
static void
-unk_lang_printstr (struct ui_file *stream, char *string, unsigned int length,
- int width, int force_ellipses)
+unk_lang_printstr (struct ui_file *stream, const bfd_byte *string,
+ unsigned int length, int width, int force_ellipses)
{
error ("internal error - unimplemented function unk_lang_printstr called.");
}
}
static int
-unk_lang_val_print (struct type *type, char *valaddr, int embedded_offset,
- CORE_ADDR address, struct ui_file *stream, int format,
+unk_lang_val_print (struct type *type, const bfd_byte *valaddr,
+ int embedded_offset, CORE_ADDR address,
+ struct ui_file *stream, int format,
int deref_ref, int recurse, enum val_prettyprint pretty)
{
error ("internal error - unimplemented function unk_lang_val_print called.");
return cplus_demangle (mangled, options);
}
-
-static struct type **const (unknown_builtin_types[]) =
+static char *unk_lang_class_name (const char *mangled)
{
- 0
-};
+ return NULL;
+}
+
static const struct op_print unk_op_print_tab[] =
{
{NULL, OP_NULL, PREC_NULL, 0}
};
+static void
+unknown_language_arch_info (struct gdbarch *gdbarch,
+ struct language_arch_info *lai)
+{
+ lai->string_char_type = builtin_type (gdbarch)->builtin_char;
+ lai->primitive_type_vector = GDBARCH_OBSTACK_CALLOC (gdbarch, 1,
+ struct type *);
+}
+
const struct language_defn unknown_language_defn =
{
"unknown",
language_unknown,
- &unknown_builtin_types[0],
+ NULL,
range_check_off,
type_check_off,
+ array_row_major,
case_sensitive_on,
+ &exp_descriptor_standard,
unk_lang_parser,
unk_lang_error,
- evaluate_subexp_standard,
+ null_post_parser,
unk_lang_printchar, /* Print character constant */
unk_lang_printstr,
unk_lang_emit_char,
unk_lang_val_print, /* Print a value using appropriate syntax */
unk_lang_value_print, /* Print a top-level value */
unk_lang_trampoline, /* Language specific skip_trampoline */
+ value_of_this, /* value_of_this */
+ basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
+ basic_lookup_transparent_type,/* lookup_transparent_type */
unk_lang_demangle, /* Language specific symbol demangler */
- {"", "", "", ""}, /* Binary format info */
- {"0%lo", "0", "o", ""}, /* Octal format info */
- {"%ld", "", "d", ""}, /* Decimal format info */
- {"0x%lx", "0x", "x", ""}, /* Hex format info */
+ 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 */
- &builtin_type_char, /* Type of string elements */
+ NULL,
+ default_word_break_characters,
+ unknown_language_arch_info, /* la_language_arch_info. */
LANG_MAGIC
};
{
"auto",
language_auto,
- &unknown_builtin_types[0],
+ NULL,
range_check_off,
type_check_off,
+ array_row_major,
case_sensitive_on,
+ &exp_descriptor_standard,
unk_lang_parser,
unk_lang_error,
- evaluate_subexp_standard,
+ null_post_parser,
unk_lang_printchar, /* Print character constant */
unk_lang_printstr,
unk_lang_emit_char,
unk_lang_val_print, /* Print a value using appropriate syntax */
unk_lang_value_print, /* Print a top-level value */
unk_lang_trampoline, /* Language specific skip_trampoline */
+ value_of_this, /* value_of_this */
+ basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
+ basic_lookup_transparent_type,/* lookup_transparent_type */
unk_lang_demangle, /* Language specific symbol demangler */
- {"", "", "", ""}, /* Binary format info */
- {"0%lo", "0", "o", ""}, /* Octal format info */
- {"%ld", "", "d", ""}, /* Decimal format info */
- {"0x%lx", "0x", "x", ""}, /* Hex format info */
+ 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 */
- &builtin_type_char, /* Type of string elements */
+ NULL,
+ default_word_break_characters,
+ unknown_language_arch_info, /* la_language_arch_info. */
LANG_MAGIC
};
{
"local",
language_auto,
- &unknown_builtin_types[0],
+ NULL,
range_check_off,
type_check_off,
case_sensitive_on,
+ array_row_major,
+ &exp_descriptor_standard,
unk_lang_parser,
unk_lang_error,
- evaluate_subexp_standard,
+ null_post_parser,
unk_lang_printchar, /* Print character constant */
unk_lang_printstr,
unk_lang_emit_char,
unk_lang_val_print, /* Print a value using appropriate syntax */
unk_lang_value_print, /* Print a top-level value */
unk_lang_trampoline, /* Language specific skip_trampoline */
+ value_of_this, /* value_of_this */
+ basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
+ basic_lookup_transparent_type,/* lookup_transparent_type */
unk_lang_demangle, /* Language specific symbol demangler */
- {"", "", "", ""}, /* Binary format info */
- {"0%lo", "0", "o", ""}, /* Octal format info */
- {"%ld", "", "d", ""}, /* Decimal format info */
- {"0x%lx", "0x", "x", ""}, /* Hex format info */
+ 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 */
- &builtin_type_char, /* Type of string elements */
+ NULL,
+ default_word_break_characters,
+ unknown_language_arch_info, /* la_language_arch_info. */
LANG_MAGIC
};
\f
+/* Per-architecture language information. */
+
+static struct gdbarch_data *language_gdbarch_data;
+
+struct language_gdbarch
+{
+ /* A vector of per-language per-architecture info. Indexed by "enum
+ language". */
+ struct language_arch_info arch_info[nr_languages];
+};
+
+static void *
+language_gdbarch_post_init (struct gdbarch *gdbarch)
+{
+ struct language_gdbarch *l;
+ int i;
+
+ l = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct language_gdbarch);
+ for (i = 0; i < languages_size; i++)
+ {
+ if (languages[i] != NULL
+ && languages[i]->la_language_arch_info != NULL)
+ languages[i]->la_language_arch_info
+ (gdbarch, l->arch_info + languages[i]->la_language);
+ }
+ return l;
+}
+
+struct type *
+language_string_char_type (const struct language_defn *la,
+ struct gdbarch *gdbarch)
+{
+ struct language_gdbarch *ld = gdbarch_data (gdbarch,
+ language_gdbarch_data);
+ if (ld->arch_info[la->la_language].string_char_type != NULL)
+ return ld->arch_info[la->la_language].string_char_type;
+ else
+ return (*la->string_char_type);
+}
+
+struct type *
+language_lookup_primitive_type_by_name (const struct language_defn *la,
+ struct gdbarch *gdbarch,
+ const char *name)
+{
+ struct language_gdbarch *ld = gdbarch_data (gdbarch,
+ language_gdbarch_data);
+ if (ld->arch_info[la->la_language].primitive_type_vector != NULL)
+ {
+ struct type *const *p;
+ for (p = ld->arch_info[la->la_language].primitive_type_vector;
+ (*p) != NULL;
+ p++)
+ {
+ if (strcmp (TYPE_NAME (*p), name) == 0)
+ return (*p);
+ }
+ }
+ else
+ {
+ struct type **const *p;
+ for (p = current_language->la_builtin_type_vector; *p != NULL; p++)
+ {
+ if (strcmp (TYPE_NAME (**p), name) == 0)
+ return (**p);
+ }
+ }
+ return (NULL);
+}
+
/* Initialize the language routines */
void
{
struct cmd_list_element *set, *show;
+ language_gdbarch_data
+ = gdbarch_data_register_post_init (language_gdbarch_post_init);
+
/* GDB commands for language specific stuff */
set = add_set_cmd ("language", class_support, var_string_noescape,
(char *) &language,
"Set the current source language.",
&setlist);
- show = add_show_from_set (set, &showlist);
+ show = deprecated_add_show_from_set (set, &showlist);
set_cmd_cfunc (set, set_language_command);
set_cmd_cfunc (show, show_language_command);
(char *) &type,
"Set type checking. (on/warn/off/auto)",
&setchecklist);
- show = add_show_from_set (set, &showchecklist);
+ show = deprecated_add_show_from_set (set, &showchecklist);
set_cmd_cfunc (set, set_type_command);
set_cmd_cfunc (show, show_type_command);
(char *) &range,
"Set range checking. (on/warn/off/auto)",
&setchecklist);
- show = add_show_from_set (set, &showchecklist);
+ show = deprecated_add_show_from_set (set, &showchecklist);
set_cmd_cfunc (set, set_range_command);
set_cmd_cfunc (show, show_range_command);
"Set case sensitivity in name search. (on/off/auto)\n\
For Fortran the default is off; for other languages the default is on.",
&setlist);
- show = add_show_from_set (set, &showlist);
+ show = deprecated_add_show_from_set (set, &showlist);
set_cmd_cfunc (set, set_case_command);
set_cmd_cfunc (show, show_case_command);