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. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* This file contains functions that return things that are specific
to languages. Each function should examine current_language if necessary,
whenever the working language changes. That would be a lot faster. */
#include "defs.h"
-#include <string.h>
-#include <varargs.h>
+#include <ctype.h>
+#include "gdb_string.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "target.h"
#include "parser-defs.h"
+extern void _initialize_language PARAMS ((void));
+
static void
show_language_command PARAMS ((char *, int));
static void
set_type_range PARAMS ((void));
+static void
+unk_lang_emit_char PARAMS ((int c, GDB_FILE *stream, int quoter));
+
+static void
+unk_lang_printchar PARAMS ((int c, GDB_FILE *stream));
+
+static void
+unk_lang_printstr PARAMS ((GDB_FILE *stream, char *string, unsigned int length, int width, int force_ellipses));
+
+static struct type *
+unk_lang_create_fundamental_type PARAMS ((struct objfile *, int));
+
+static void
+unk_lang_print_type PARAMS ((struct type *, char *, GDB_FILE *, int, int));
+
+static int
+unk_lang_val_print PARAMS ((struct type *, char *, int, CORE_ADDR, GDB_FILE *,
+ int, int, int, enum val_prettyprint));
+
+static int
+unk_lang_value_print PARAMS ((value_ptr, GDB_FILE *, int, enum val_prettyprint));
+
/* Forward declaration */
extern const struct language_defn unknown_language_defn;
extern char *warning_pre_print;
flang = get_frame_language();
if (flang != language_unknown &&
- language_mode == language_mode_manual &&
- current_language->la_language != flang)
- printf_filtered("%s\n",lang_frame_mismatch_warn);
+ language_mode == language_mode_manual &&
+ current_language->la_language != flang)
+ printf_filtered("%s\n",lang_frame_mismatch_warn);
}
/* Set command. Change the current working language. */
enum language flang;
char *err_lang;
- /* FIXME -- do this from the list, with HELP. */
- if (!language || !language[0]) {
- printf("The currently understood settings are:\n\n");
- printf ("local or auto Automatic setting based on source file\n");
- printf ("c Use the C language\n");
- printf ("c++ Use the C++ language\n");
- /* start-sanitize-chill */
- printf ("chill Use the Chill language\n");
- /* end-sanitize-chill */
- printf ("modula-2 Use the Modula-2 language\n");
- /* Restore the silly string. */
- set_language(current_language->la_language);
- return;
- }
+ if (!language || !language[0])
+ {
+ printf_unfiltered("The currently understood settings are:\n\n");
+ printf_unfiltered ("local or auto Automatic setting based on source file\n");
+
+ for (i = 0; i < languages_size; ++i)
+ {
+ /* Already dealt with these above. */
+ if (languages[i]->la_language == language_unknown
+ || languages[i]->la_language == language_auto)
+ continue;
+
+ /* FIXME for now assume that the human-readable name is just
+ a capitalization of the internal name. */
+ printf_unfiltered ("%-16s Use the %c%s language\n",
+ languages[i]->la_name,
+ /* Capitalize first letter of language
+ name. */
+ toupper (languages[i]->la_name[0]),
+ languages[i]->la_name + 1);
+ }
+ /* Restore the silly string. */
+ set_language(current_language->la_language);
+ return;
+ }
/* Search the list of languages for a match. */
for (i = 0; i < languages_size; i++) {
int from_tty;
{
if (type_check != current_language->la_type_check)
- printf(
+ printf_unfiltered(
"Warning: the current type check setting does not match the language.\n");
}
{
if (range_check != current_language->la_range_check)
- printf(
+ printf_unfiltered(
"Warning: the current range check setting does not match the language.\n");
}
set_range_str();
}
-/* Set current language to (enum language) LANG. */
+/* Set current language to (enum language) LANG. Returns previous language. */
-void
+enum language
set_language(lang)
enum language lang;
{
int i;
+ enum language prev_language;
+
+ prev_language = current_language->la_language;
for (i = 0; i < languages_size; i++) {
if (languages[i]->la_language == lang) {
break;
}
}
+
+ return prev_language;
}
\f
/* This page contains functions that update the global vars
return;
expected_language = current_language;
- printf("Current language: %s\n",language);
+ printf_unfiltered("Current language: %s\n",language);
show_language_command((char *)0, 1);
if (!quietly)
{
- printf("Type checking: %s\n",type);
+ printf_unfiltered("Type checking: %s\n",type);
show_type_command((char *)0, 1);
- printf("Range checking: %s\n",range);
+ printf_unfiltered("Range checking: %s\n",range);
show_range_command((char *)0, 1);
}
}
#if 0 /* Currently unused */
struct type *
-binop_result_type(v1,v2)
- value v1,v2;
+binop_result_type (v1, v2)
+ value_ptr v1, v2;
{
- int l1,l2,size,uns;
+ int size,uns;
+ struct type *t1 = check_typedef (VALUE_TYPE (v1));
+ struct type *t2 = check_typedef (VALUE_TYPE (v2));
- l1 = TYPE_LENGTH(VALUE_TYPE(v1));
- l2 = TYPE_LENGTH(VALUE_TYPE(v2));
+ int l1 = TYPE_LENGTH (t1);
+ int l2 = TYPE_LENGTH (t2);
switch(current_language->la_language)
{
case language_c:
case language_cplus:
- if (TYPE_CODE(VALUE_TYPE(v1))==TYPE_CODE_FLT)
- return TYPE_CODE(VALUE_TYPE(v2)) == TYPE_CODE_FLT && l2 > l1 ?
+ if (TYPE_CODE (t1)==TYPE_CODE_FLT)
+ return TYPE_CODE(t2) == TYPE_CODE_FLT && l2 > l1 ?
VALUE_TYPE(v2) : VALUE_TYPE(v1);
- else if (TYPE_CODE(VALUE_TYPE(v2))==TYPE_CODE_FLT)
- return TYPE_CODE(VALUE_TYPE(v1)) == TYPE_CODE_FLT && l1 > l2 ?
+ else if (TYPE_CODE(t2)==TYPE_CODE_FLT)
+ return TYPE_CODE(t1)) == TYPE_CODE_FLT && l1 > l2 ?
VALUE_TYPE(v1) : VALUE_TYPE(v2);
- else if (TYPE_UNSIGNED(VALUE_TYPE(v1)) && l1 > l2)
+ else if (TYPE_UNSIGNED(t1) && l1 > l2)
return VALUE_TYPE(v1);
- else if (TYPE_UNSIGNED(VALUE_TYPE(v2)) && l2 > l1)
+ else if (TYPE_UNSIGNED(t2) && l2 > l1)
return VALUE_TYPE(v2);
else /* Both are signed. Result is the longer type */
return l1 > l2 ? VALUE_TYPE(v1) : VALUE_TYPE(v2);
not needed. */
return l1 > l2 ? VALUE_TYPE(v1) : VALUE_TYPE(v2);
break;
- /* start-sanitize-chill */
- case language_chill:
+ case language_chill:
error ("Missing Chill support in function binop_result_check.");/*FIXME*/
- /* end-sanitize-chill */
}
abort();
return (struct type *)0; /* For lint */
string. Returns a pointer to this string. */
char *
local_hex_string (num)
- int num;
+ unsigned long num;
{
static char res[50];
string. Returns a pointer to this string. */
char *
local_hex_string_custom(num,pre)
- int num;
+ unsigned long num;
char *pre;
{
static char res[50];
strcat (form, local_octal_format_suffix ());
return form;
}
+
+/* Returns the appropriate printf format for decimal numbers. */
+char *
+local_decimal_format_custom(pre)
+ 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.
simple_type(type)
struct type *type;
{
+ CHECK_TYPEDEF (type);
switch (TYPE_CODE (type)) {
case TYPE_CODE_INT:
case TYPE_CODE_CHAR:
ordered_type (type)
struct type *type;
{
+ CHECK_TYPEDEF (type);
switch (TYPE_CODE (type)) {
case TYPE_CODE_INT:
case TYPE_CODE_CHAR:
same_type (arg1, arg2)
struct type *arg1, *arg2;
{
+ CHECK_TYPEDEF (type);
if (structured_type(arg1) ? !structured_type(arg2) : structured_type(arg2))
/* One is structured and one isn't */
return 0;
integral_type (type)
struct type *type;
{
+ CHECK_TYPEDEF (type);
switch(current_language->la_language)
{
case language_c:
(TYPE_CODE(type) != TYPE_CODE_ENUM) ? 0 : 1;
case language_m2:
return TYPE_CODE(type) != TYPE_CODE_INT ? 0 : 1;
- /* start-sanitize-chill */
case language_chill:
error ("Missing Chill support in function integral_type."); /*FIXME*/
- /* end-sanitize-chill */
default:
error ("Language not supported.");
}
numeric_type (type)
struct type *type;
{
+ CHECK_TYPEDEF (type);
switch (TYPE_CODE (type)) {
case TYPE_CODE_INT:
case TYPE_CODE_FLT:
character_type (type)
struct type *type;
{
- switch(current_language->la_language)
+ CHECK_TYPEDEF (type);
+ switch(current_language->la_language)
{
- /* start-sanitize-chill */
case language_chill:
- /* end-sanitize-chill */
case language_m2:
return TYPE_CODE(type) != TYPE_CODE_CHAR ? 0 : 1;
string_type (type)
struct type *type;
{
- switch(current_language->la_language)
+ CHECK_TYPEDEF (type);
+ switch(current_language->la_language)
{
- /* start-sanitize-chill */
case language_chill:
- /* end-sanitize-chill */
case language_m2:
return TYPE_CODE(type) != TYPE_CODE_STRING ? 0 : 1;
boolean_type (type)
struct type *type;
{
- switch(current_language->la_language)
- {
- /* start-sanitize-chill */
- case language_chill:
- /* end-sanitize-chill */
- case language_m2:
- return TYPE_CODE(type) != TYPE_CODE_BOOL ? 0 : 1;
-
- case language_c:
- case language_cplus:
- return TYPE_CODE(type) != TYPE_CODE_INT ? 0 : 1;
+ CHECK_TYPEDEF (type);
+ if (TYPE_CODE (type) == TYPE_CODE_BOOL)
+ return 1;
+ switch(current_language->la_language)
+ {
+ case language_c:
+ case language_cplus:
+ /* Might be more cleanly handled by having a TYPE_CODE_INT_NOT_BOOL
+ for CHILL and such languages, or a TYPE_CODE_INT_OR_BOOL for C. */
+ if (TYPE_CODE (type) == TYPE_CODE_INT)
+ return 1;
default:
- return (0);
+ break;
}
+ return 0;
}
/* Returns non-zero if the value is a floating-point type */
float_type (type)
struct type *type;
{
- return TYPE_CODE(type) == TYPE_CODE_FLT;
+ CHECK_TYPEDEF (type);
+ return TYPE_CODE(type) == TYPE_CODE_FLT;
}
/* Returns non-zero if the value is a pointer type */
structured_type(type)
struct type *type;
{
+ CHECK_TYPEDEF (type);
switch(current_language->la_language)
{
case language_c:
return (TYPE_CODE(type) == TYPE_CODE_STRUCT) ||
(TYPE_CODE(type) == TYPE_CODE_SET) ||
(TYPE_CODE(type) == TYPE_CODE_ARRAY);
- /* start-sanitize-chill */
case language_chill:
error ("Missing Chill support in function structured_type."); /*FIXME*/
- /* end-sanitize-chill */
default:
return (0);
}
}
+#endif
+\f
+struct type *
+lang_bool_type ()
+{
+ struct symbol *sym;
+ struct type *type;
+ switch(current_language->la_language)
+ {
+ case language_chill:
+ return builtin_type_chill_bool;
+ case language_fortran:
+ sym = lookup_symbol ("logical", NULL, VAR_NAMESPACE, NULL, NULL);
+ if (sym)
+ {
+ type = SYMBOL_TYPE (sym);
+ if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
+ return type;
+ }
+ return builtin_type_f_logical_s2;
+ case language_cplus:
+ sym = lookup_symbol ("bool", NULL, VAR_NAMESPACE, NULL, NULL);
+ if (sym)
+ {
+ type = SYMBOL_TYPE (sym);
+ if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
+ return type;
+ }
+ return builtin_type_bool;
+ default:
+ return builtin_type_int;
+ }
+}
\f
/* This page contains functions that return info about
(struct value) values used in GDB. */
/* Returns non-zero if the value VAL represents a true value. */
int
-value_true(val)
- value val;
+value_true (val)
+ value_ptr val;
{
- int len, i;
- struct type *type;
- LONGEST v;
-
- switch (current_language->la_language) {
-
- case language_c:
- case language_cplus:
- return !value_logical_not (val);
-
- case language_m2:
- type = VALUE_TYPE(val);
- if (TYPE_CODE (type) != TYPE_CODE_BOOL)
- return 0; /* Not a BOOLEAN at all */
- /* Search the fields for one that matches the current value. */
- len = TYPE_NFIELDS (type);
- v = value_as_long (val);
- for (i = 0; i < len; i++)
- {
- QUIT;
- if (v == TYPE_FIELD_BITPOS (type, i))
- break;
- }
- if (i >= len)
- return 0; /* Not a valid BOOLEAN value */
- if (STREQ ("TRUE", TYPE_FIELD_NAME(VALUE_TYPE(val), i)))
- return 1; /* BOOLEAN with value TRUE */
- else
- return 0; /* BOOLEAN with value FALSE */
- break;
-
- /* start-sanitize-chill */
- case language_chill:
- error ("Missing Chill support in function value_type."); /*FIXME*/
- /* end-sanitize-chill */
-
- default:
- error ("Language not supported.");
- }
+ /* It is possible that we should have some sort of error if a non-boolean
+ value is used in this context. Possibly dependent on some kind of
+ "boolean-checking" option like range checking. But it should probably
+ not depend on the language except insofar as is necessary to identify
+ a "boolean" value (i.e. in C using a float, pointer, etc., as a boolean
+ should be an error, probably). */
+ return !value_logical_not (val);
}
\f
/* Returns non-zero if the operator OP is defined on
void
binop_type_check(arg1,arg2,op)
- value arg1,arg2;
+ value_ptr arg1,arg2;
int op;
{
struct type *t1, *t2;
return;
t1=VALUE_TYPE(arg1);
- if (arg2!=(value)NULL)
+ if (arg2 != NULL)
t2=VALUE_TYPE(arg2);
else
t2=NULL;
break;
case BINOP_CONCAT:
- if (!(string_type(t1) || character_type(t1))
- || !(string_type(t2) || character_type(t2)))
+ /* 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;
}
#endif
-/* start-sanitize-chill */
#ifdef _LANG_chill
case language_chill:
error ("Missing Chill support in function binop_type_check.");/*FIXME*/
#endif
-/* end-sanitize-chill */
}
}
by the value of warning_pre_print and we do not return to the top level. */
void
+#ifdef ANSI_PROTOTYPES
+type_error (char *string, ...)
+#else
type_error (va_alist)
va_dcl
+#endif
{
va_list args;
+#ifdef ANSI_PROTOTYPES
+ va_start (args, string);
+#else
char *string;
+ va_start (args);
+ string = va_arg (args, char *);
+#endif
- if (type_check==type_check_warn)
- fprintf(stderr,warning_pre_print);
+ if (type_check == type_check_warn)
+ fprintf_filtered (gdb_stderr, warning_pre_print);
else
- target_terminal_ours();
+ error_begin ();
- va_start (args);
- string = va_arg (args, char *);
- vfprintf (stderr, string, args);
- fprintf (stderr, "\n");
+ vfprintf_filtered (gdb_stderr, string, args);
+ fprintf_filtered (gdb_stderr, "\n");
va_end (args);
- if (type_check==type_check_on)
- return_to_top_level();
+ if (type_check == type_check_on)
+ return_to_top_level (RETURN_ERROR);
}
void
+#ifdef ANSI_PROTOTYPES
+range_error (char *string, ...)
+#else
range_error (va_alist)
va_dcl
+#endif
{
va_list args;
+#ifdef ANSI_PROTOTYPES
+ va_start (args, string);
+#else
char *string;
+ va_start (args);
+ string = va_arg (args, char *);
+#endif
- if (range_check==range_check_warn)
- fprintf(stderr,warning_pre_print);
+ if (range_check == range_check_warn)
+ fprintf_filtered (gdb_stderr, warning_pre_print);
else
- target_terminal_ours();
+ error_begin ();
- va_start (args);
- string = va_arg (args, char *);
- vfprintf (stderr, string, args);
- fprintf (stderr, "\n");
+ vfprintf_filtered (gdb_stderr, string, args);
+ fprintf_filtered (gdb_stderr, "\n");
va_end (args);
- if (range_check==range_check_on)
- return_to_top_level();
+ if (range_check == range_check_on)
+ return_to_top_level (RETURN_ERROR);
}
\f
/* This page contains miscellaneous functions */
+/* Return the language enum for a given language string. */
+
+enum language
+language_enum (str)
+ char *str;
+{
+ int i;
+
+ for (i = 0; i < languages_size; i++)
+ if (STREQ (languages[i]->la_name, str))
+ return languages[i]->la_language;
+
+ return language_unknown;
+}
+
/* Return the language struct for a given language enum. */
const struct language_defn *
char *ignore;
int from_tty;
{
- printf(
+ printf_unfiltered(
"\"set check\" must be followed by the name of a check subcommand.\n");
- help_list(setchecklist, "set check ", -1, stdout);
+ help_list(setchecklist, "set check ", -1, gdb_stdout);
}
static void
{
if (lang->la_magic != LANG_MAGIC)
{
- fprintf(stderr, "Magic number of %s language struct wrong\n",
+ fprintf_unfiltered(gdb_stderr, "Magic number of %s language struct wrong\n",
lang->la_name);
abort();
}
error ("Attempted to parse an expression with unknown language");
}
+static void
+unk_lang_emit_char (c, stream, quoter)
+ register int c;
+ GDB_FILE *stream;
+ int quoter;
+{
+ error ("internal error - unimplemented function unk_lang_emit_char called.");
+}
+
static void
unk_lang_printchar (c, stream)
register int c;
- FILE *stream;
+ GDB_FILE *stream;
{
error ("internal error - unimplemented function unk_lang_printchar called.");
}
static void
-unk_lang_printstr (stream, string, length, force_ellipses)
- FILE *stream;
+unk_lang_printstr (stream, string, length, width, force_ellipses)
+ GDB_FILE *stream;
char *string;
unsigned int length;
+ int width;
int force_ellipses;
{
error ("internal error - unimplemented function unk_lang_printstr called.");
error ("internal error - unimplemented function unk_lang_create_fundamental_type called.");
}
-void
+static void
unk_lang_print_type (type, varstring, stream, show, level)
struct type *type;
char *varstring;
- FILE *stream;
+ GDB_FILE *stream;
int show;
int level;
{
error ("internal error - unimplemented function unk_lang_print_type called.");
}
-int
-unk_lang_val_print (type, valaddr, address, stream, format, deref_ref,
+static int
+unk_lang_val_print (type, valaddr, embedded_offset, address, stream, format, deref_ref,
recurse, pretty)
struct type *type;
char *valaddr;
+ int embedded_offset;
CORE_ADDR address;
- FILE *stream;
+ GDB_FILE *stream;
int format;
int deref_ref;
int recurse;
error ("internal error - unimplemented function unk_lang_val_print called.");
}
-static struct type ** const (unknown_builtin_types[]) = { 0 };
+static int
+unk_lang_value_print (val, stream, format, pretty)
+ value_ptr val;
+ GDB_FILE *stream;
+ int format;
+ enum val_prettyprint pretty;
+{
+ error ("internal error - unimplemented function unk_lang_value_print called.");
+}
+
+static struct type ** CONST_PTR (unknown_builtin_types[]) = { 0 };
static const struct op_print unk_op_print_tab[] = {
- {NULL, 0, 0, 0}
+ {NULL, OP_NULL, PREC_NULL, 0}
};
const struct language_defn unknown_language_defn = {
type_check_off,
unk_lang_parser,
unk_lang_error,
+ evaluate_subexp_standard,
unk_lang_printchar, /* Print character constant */
unk_lang_printstr,
+ unk_lang_emit_char,
unk_lang_create_fundamental_type,
unk_lang_print_type, /* Print a type using appropriate syntax */
unk_lang_val_print, /* Print a value using appropriate syntax */
- &builtin_type_error, /* longest signed integral type */
- &builtin_type_error, /* longest unsigned integral type */
- &builtin_type_error, /* longest floating point type */
+ unk_lang_value_print, /* Print a top-level value */
{"", "", "", ""}, /* Binary format info */
- {"0%o", "0", "o", ""}, /* Octal format info */
- {"%d", "", "d", ""}, /* Decimal format info */
- {"0x%x", "0x", "x", ""}, /* Hex format info */
+ {"0%lo", "0", "o", ""}, /* Octal format info */
+ {"%ld", "", "d", ""}, /* Decimal format info */
+ {"0x%lx", "0x", "x", ""}, /* Hex format info */
unk_op_print_tab, /* expression operators for printing */
+ 1, /* c-style arrays */
+ 0, /* String lower bound */
+ &builtin_type_char, /* Type of string elements */
LANG_MAGIC
};
type_check_off,
unk_lang_parser,
unk_lang_error,
+ evaluate_subexp_standard,
unk_lang_printchar, /* Print character constant */
unk_lang_printstr,
+ unk_lang_emit_char,
unk_lang_create_fundamental_type,
unk_lang_print_type, /* Print a type using appropriate syntax */
unk_lang_val_print, /* Print a value using appropriate syntax */
- &builtin_type_error, /* longest signed integral type */
- &builtin_type_error, /* longest unsigned integral type */
- &builtin_type_error, /* longest floating point type */
+ unk_lang_value_print, /* Print a top-level value */
{"", "", "", ""}, /* Binary format info */
- {"0%o", "0", "o", ""}, /* Octal format info */
- {"%d", "", "d", ""}, /* Decimal format info */
- {"0x%x", "0x", "x", ""}, /* Hex format info */
+ {"0%lo", "0", "o", ""}, /* Octal format info */
+ {"%ld", "", "d", ""}, /* Decimal format info */
+ {"0x%lx", "0x", "x", ""}, /* Hex format info */
unk_op_print_tab, /* expression operators for printing */
+ 1, /* c-style arrays */
+ 0, /* String lower bound */
+ &builtin_type_char, /* Type of string elements */
LANG_MAGIC
};
type_check_off,
unk_lang_parser,
unk_lang_error,
+ evaluate_subexp_standard,
unk_lang_printchar, /* Print character constant */
unk_lang_printstr,
+ unk_lang_emit_char,
unk_lang_create_fundamental_type,
unk_lang_print_type, /* Print a type using appropriate syntax */
unk_lang_val_print, /* Print a value using appropriate syntax */
- &builtin_type_error, /* longest signed integral type */
- &builtin_type_error, /* longest unsigned integral type */
- &builtin_type_error, /* longest floating point type */
+ unk_lang_value_print, /* Print a top-level value */
{"", "", "", ""}, /* Binary format info */
- {"0%o", "0", "o", ""}, /* Octal format info */
- {"%d", "", "d", ""}, /* Decimal format info */
- {"0x%x", "0x", "x", ""}, /* Hex format info */
+ {"0%lo", "0", "o", ""}, /* Octal format info */
+ {"%ld", "", "d", ""}, /* Decimal format info */
+ {"0x%lx", "0x", "x", ""}, /* Hex format info */
unk_op_print_tab, /* expression operators for printing */
+ 1, /* c-style arrays */
+ 0, /* String lower bound */
+ &builtin_type_char, /* Type of string elements */
LANG_MAGIC
};
\f
projects / deliverable / binutils-gdb.git / blobdiff