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_unfiltered("The currently understood settings are:\n\n");
- printf_unfiltered ("local or auto Automatic setting based on source file\n");
- printf_unfiltered ("c Use the C language\n");
- printf_unfiltered ("c++ Use the C++ language\n");
- printf_unfiltered ("chill Use the Chill language\n");
- printf_unfiltered ("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++) {
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
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);
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:
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)
{
case language_chill:
case language_m2:
string_type (type)
struct type *type;
{
- switch(current_language->la_language)
+ CHECK_TYPEDEF (type);
+ switch(current_language->la_language)
{
case language_chill:
case language_m2:
boolean_type (type)
struct type *type;
{
+ CHECK_TYPEDEF (type);
if (TYPE_CODE (type) == TYPE_CODE_BOOL)
return 1;
switch(current_language->la_language)
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 (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. */
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_unfiltered (gdb_stderr, warning_pre_print);
+ fprintf_filtered (gdb_stderr, warning_pre_print);
else
error_begin ();
- va_start (args);
- string = va_arg (args, char *);
- vfprintf_unfiltered (gdb_stderr, string, args);
- fprintf_unfiltered (gdb_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 (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_unfiltered (gdb_stderr, warning_pre_print);
+ fprintf_filtered (gdb_stderr, warning_pre_print);
else
error_begin ();
- va_start (args);
- string = va_arg (args, char *);
- vfprintf_unfiltered (gdb_stderr, string, args);
- fprintf_unfiltered (gdb_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 (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 *
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;
}
static void
-unk_lang_printstr (stream, string, length, force_ellipses)
+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;
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;
GDB_FILE *stream;
int format;
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, OP_NULL, PREC_NULL, 0}
};
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 floating point type */
+ unk_lang_value_print, /* Print a top-level value */
{"", "", "", ""}, /* Binary 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 floating point type */
+ unk_lang_value_print, /* Print a top-level value */
{"", "", "", ""}, /* Binary 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 floating point type */
+ unk_lang_value_print, /* Print a top-level value */
{"", "", "", ""}, /* Binary 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