/* Multiple source language support for GDB.
- Copyright 1991, 1992, 2000, 2001 Free Software Foundation, Inc.
+
+ Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
+ 2001, 2002, 2003 Free Software Foundation, Inc.
+
Contributed by the Department of Computer Science at the State University
of New York at Buffalo.
#include "gdbtypes.h"
#include "value.h"
#include "gdbcmd.h"
-#include "frame.h"
#include "expression.h"
#include "language.h"
#include "target.h"
#include "parser-defs.h"
#include "jv-lang.h"
+#include "demangle.h"
extern void _initialize_language (void);
struct ui_file *, int, int, int,
enum val_prettyprint);
-static int unk_lang_value_print (value_ptr, struct ui_file *, 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);
/* Forward declaration */
extern const struct language_defn unknown_language_defn;
-extern char *warning_pre_print;
/* The current (default at startup) state of type and range checking.
(If the modes are set to "auto", though, these are changed based
}
static void
-set_case_str()
+set_case_str (void)
{
char *tmp = NULL, *prefix = "";
#if 0 /* Currently unused */
struct type *
-binop_result_type (value_ptr v1, value_ptr v2)
+binop_result_type (struct value *v1, struct value *v2)
{
int size, uns;
struct type *t1 = check_typedef (VALUE_TYPE (v1));
{
case language_c:
case language_cplus:
+ case language_objc:
if (TYPE_CODE (t1) == TYPE_CODE_FLT)
return TYPE_CODE (t2) == TYPE_CODE_FLT && l2 > l1 ?
VALUE_TYPE (v2) : VALUE_TYPE (v1);
not needed. */
return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2);
break;
- case language_chill:
- error ("Missing Chill support in function binop_result_check."); /*FIXME */
}
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
return (struct type *) 0; /* For lint */
}
return form;
}
-#if 0
-/* FIXME: cagney/2000-03-04: This function does not appear to be used.
- It can be deleted once 5.0 has been released. */
-/* FIXME: cagney/2000-03-04: This code assumes that the compiler
- supports ``long long''. */
-/* Converts a number to hexadecimal (without leading "0x") and stores it in a
- static string. Returns a pointer to this string. */
-
-char *
-longest_raw_hex_string (LONGEST num)
-{
- static char res_longest_raw_hex_string[50];
- long long ll = num; /* MERGEBUG ?? see below */
- res_longest_raw_hex_string[0] = 0;
- /* MERGEBUG ?? As a quick fix I am replacing this with sprintf
- strcat_address_numeric (num, 0, res_longest_raw_hex_string, 50);
- */
-
- sprintf (res_longest_raw_hex_string, "%llx", ll);
- return res_longest_raw_hex_string;
-}
-#endif
-
-/* Converts a number to hexadecimal and stores it in a static
- string. Returns a pointer to this string. */
-char *
-local_hex_string (unsigned long num)
-{
- static char res[50];
-
- sprintf (res, local_hex_format (), num);
- return res;
-}
-
-/* Converts a LONGEST number to hexadecimal and stores it in a static
+/* Converts a LONGEST to custom hexadecimal and stores it in a static
string. Returns a pointer to this string. */
char *
-longest_local_hex_string (LONGEST num)
+local_hex_string (LONGEST num)
{
- return longest_local_hex_string_custom (num, "l");
-}
-
-/* Converts a number to custom hexadecimal and stores it in a static
- string. Returns a pointer to this string. */
-char *
-local_hex_string_custom (unsigned long num, char *pre)
-{
- static char res[50];
-
- sprintf (res, local_hex_format_custom (pre), num);
- return res;
+ return local_hex_string_custom (num, "l");
}
/* Converts a LONGEST number to custom hexadecimal and stores it in a static
should end with "l", e.g. "08l" as with calls to local_hex_string_custom */
char *
-longest_local_hex_string_custom (LONGEST num, char *width)
+local_hex_string_custom (LONGEST num, char *width)
{
#define RESULT_BUF_LEN 50
static char res2[RESULT_BUF_LEN];
char format[RESULT_BUF_LEN];
-#if !defined (PRINTF_HAS_LONG_LONG)
int field_width;
int num_len;
int num_pad_chars;
int pad_on_left;
char *parse_ptr;
char temp_nbr_buf[RESULT_BUF_LEN];
-#endif
-#ifndef CC_HAS_LONG_LONG
- /* If there is no long long, then LONGEST should be just long and we
- can use local_hex_string_custom
- */
- return local_hex_string_custom ((unsigned long) num, width);
-#elif defined (PRINTF_HAS_LONG_LONG)
- /* Just use printf. */
- strcpy (format, local_hex_format_prefix ()); /* 0x */
- strcat (format, "%");
- strcat (format, width); /* e.g. "08l" */
- strcat (format, "l"); /* need "ll" for long long */
- strcat (format, local_hex_format_specifier ()); /* "x" */
- strcat (format, local_hex_format_suffix ()); /* "" */
- sprintf (res2, format, num);
- return res2;
-#else /* !defined (PRINTF_HAS_LONG_LONG) */
- /* Use strcat_address_numeric to print the number into a string, then
+ /* 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". */
-
- temp_nbr_buf[0] = 0;
- /* With use_local == 0, we don't get the leading "0x" prefix. */
- /* MERGEBUG ?? As a quick fix I am replacing this call to
- strcat_address_numeric with sprintf
- strcat_address_numeric(num, 0, temp_nbr_buf, RESULT_BUF_LEN);
- */
-
- {
- long long ll = num;
- sprintf (temp_nbr_buf, "%llx", ll);
- }
+ strcpy (temp_nbr_buf, phex_nz (num, sizeof (num)));
/* parse width */
parse_ptr = width;
pad_on_left = 1;
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 */
+ >= RESULT_BUF_LEN) /* paranoia */
internal_error (__FILE__, __LINE__,
- "longest_local_hex_string_custom: insufficient space to store result");
+ "local_hex_string_custom: insufficient space to store result");
strcpy (res2, local_hex_format_prefix ());
if (pad_on_left)
}
}
return res2;
-#endif
-} /* longest_local_hex_string_custom */
+} /* local_hex_string_custom */
/* Returns the appropriate printf format for octal
numbers. */
{
case language_c:
case language_cplus:
+ case language_objc:
return (TYPE_CODE (type) != TYPE_CODE_INT) &&
(TYPE_CODE (type) != TYPE_CODE_ENUM) ? 0 : 1;
case language_m2:
case language_pascal:
return TYPE_CODE (type) != TYPE_CODE_INT ? 0 : 1;
- case language_chill:
- error ("Missing Chill support in function integral_type."); /*FIXME */
default:
error ("Language not supported.");
}
CHECK_TYPEDEF (type);
switch (current_language->la_language)
{
- case language_chill:
case language_m2:
case language_pascal:
return TYPE_CODE (type) != TYPE_CODE_CHAR ? 0 : 1;
case language_c:
case language_cplus:
+ case language_objc:
return (TYPE_CODE (type) == TYPE_CODE_INT) &&
TYPE_LENGTH (type) == sizeof (char)
? 1 : 0;
CHECK_TYPEDEF (type);
switch (current_language->la_language)
{
- case language_chill:
case language_m2:
case language_pascal:
return TYPE_CODE (type) != TYPE_CODE_STRING ? 0 : 1;
case language_c:
case language_cplus:
+ case language_objc:
/* C does not have distinct string type. */
return (0);
default:
{
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. */
+ case language_objc:
+ /* Might be more cleanly handled by having a
+ TYPE_CODE_INT_NOT_BOOL for (the deleted) CHILL and such
+ languages, or a TYPE_CODE_INT_OR_BOOL for C. */
if (TYPE_CODE (type) == TYPE_CODE_INT)
return 1;
default:
{
case language_c:
case language_cplus:
+ case language_objc:
return (TYPE_CODE (type) == TYPE_CODE_STRUCT) ||
(TYPE_CODE (type) == TYPE_CODE_UNION) ||
(TYPE_CODE (type) == TYPE_CODE_ARRAY);
return (TYPE_CODE (type) == TYPE_CODE_STRUCT) ||
(TYPE_CODE (type) == TYPE_CODE_SET) ||
(TYPE_CODE (type) == TYPE_CODE_ARRAY);
- case language_chill:
- error ("Missing Chill support in function structured_type."); /*FIXME */
default:
return (0);
}
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);
+ sym = lookup_symbol ("logical", NULL, VAR_DOMAIN, NULL, NULL);
if (sym)
{
type = SYMBOL_TYPE (sym);
case language_cplus:
case language_pascal:
if (current_language->la_language==language_cplus)
- {sym = lookup_symbol ("bool", NULL, VAR_NAMESPACE, NULL, NULL);}
+ {sym = lookup_symbol ("bool", NULL, VAR_DOMAIN, NULL, NULL);}
else
- {sym = lookup_symbol ("boolean", NULL, VAR_NAMESPACE, NULL, NULL);}
+ {sym = lookup_symbol ("boolean", NULL, VAR_DOMAIN, NULL, NULL);}
if (sym)
{
type = SYMBOL_TYPE (sym);
}
return builtin_type_bool;
case language_java:
- sym = lookup_symbol ("boolean", NULL, VAR_NAMESPACE, NULL, NULL);
+ sym = lookup_symbol ("boolean", NULL, VAR_DOMAIN, NULL, NULL);
if (sym)
{
type = SYMBOL_TYPE (sym);
/* Returns non-zero if the value VAL represents a true value. */
int
-value_true (value_ptr val)
+value_true (struct value *val)
{
/* 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
#if 0 /* Currently unused */
void
-binop_type_check (value_ptr arg1, value_ptr arg2, int op)
+binop_type_check (struct value *arg1, struct value *arg2, int op)
{
struct type *t1, *t2;
#ifdef _LANG_c
case language_c:
case language_cplus:
+ case language_objc:
switch (op)
{
case BINOP_DIV:
}
#endif
-#ifdef _LANG_chill
- case language_chill:
- error ("Missing Chill support in function binop_type_check."); /*FIXME */
-#endif
-
}
}
}
}
}
-/* 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, then return_to_top_level()
- is called in the style of error (). Otherwise, the message is prefixed
- by the value of warning_pre_print and we do not return to the top level. */
+/* 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. */
void
-type_error (char *string,...)
+type_error (const char *string,...)
{
va_list args;
va_start (args, string);
- if (type_check == type_check_warn)
- fprintf_filtered (gdb_stderr, warning_pre_print);
- else
- error_begin ();
-
- vfprintf_filtered (gdb_stderr, string, args);
- fprintf_filtered (gdb_stderr, "\n");
+ switch (type_check)
+ {
+ case type_check_warn:
+ vwarning (string, args);
+ break;
+ case type_check_on:
+ verror (string, args);
+ break;
+ case type_check_off:
+ /* FIXME: cagney/2002-01-30: Should this function print anything
+ when type error is off? */
+ vfprintf_filtered (gdb_stderr, string, args);
+ fprintf_filtered (gdb_stderr, "\n");
+ break;
+ default:
+ internal_error (__FILE__, __LINE__, "bad switch");
+ }
va_end (args);
- if (type_check == type_check_on)
- return_to_top_level (RETURN_ERROR);
}
void
-range_error (char *string,...)
+range_error (const char *string,...)
{
va_list args;
va_start (args, string);
- if (range_check == range_check_warn)
- fprintf_filtered (gdb_stderr, warning_pre_print);
- else
- error_begin ();
-
- vfprintf_filtered (gdb_stderr, string, args);
- fprintf_filtered (gdb_stderr, "\n");
+ switch (range_check)
+ {
+ case range_check_warn:
+ vwarning (string, args);
+ break;
+ case range_check_on:
+ verror (string, args);
+ break;
+ case range_check_off:
+ /* FIXME: cagney/2002-01-30: Should this function print anything
+ when range error is off? */
+ vfprintf_filtered (gdb_stderr, string, args);
+ fprintf_filtered (gdb_stderr, "\n");
+ break;
+ default:
+ internal_error (__FILE__, __LINE__, "bad switch");
+ }
va_end (args);
- if (range_check == range_check_on)
- return_to_top_level (RETURN_ERROR);
}
\f
{
fprintf_unfiltered (gdb_stderr, "Magic number of %s language struct wrong\n",
lang->la_name);
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
if (!languages)
languages[languages_size++] = lang;
}
+/* Iterate through all registered languages looking for and calling
+ any non-NULL struct language_defn.skip_trampoline() functions.
+ Return the result from the first that returns non-zero, or 0 if all
+ `fail'. */
+CORE_ADDR
+skip_language_trampoline (CORE_ADDR pc)
+{
+ int i;
+
+ for (i = 0; i < languages_size; i++)
+ {
+ if (languages[i]->skip_trampoline)
+ {
+ CORE_ADDR real_pc = (languages[i]->skip_trampoline) (pc);
+ if (real_pc)
+ return real_pc;
+ }
+ }
+
+ return 0;
+}
+
+/* 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.
+ FIXME: Sometimes the demangler is invoked when we don't know the
+ language, so we can't use this everywhere. */
+char *
+language_demangle (const struct language_defn *current_language,
+ const char *mangled, int options)
+{
+ if (current_language != NULL && current_language->la_demangle)
+ return current_language->la_demangle (mangled, options);
+ return NULL;
+}
+
+
/* Define the language that is no language. */
static int
}
static int
-unk_lang_value_print (value_ptr val, struct ui_file *stream, int format,
+unk_lang_value_print (struct value *val, struct ui_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[]) =
+static CORE_ADDR unk_lang_trampoline (CORE_ADDR pc)
+{
+ return 0;
+}
+
+/* Unknown languages just use the cplus demangler. */
+static char *unk_lang_demangle (const char *mangled, int options)
+{
+ return cplus_demangle (mangled, options);
+}
+
+
+static struct type **const (unknown_builtin_types[]) =
{
0
};
unk_lang_print_type, /* Print a type using appropriate syntax */
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 */
+ unk_lang_demangle, /* Language specific symbol demangler */
{"", "", "", ""}, /* Binary format info */
{"0%lo", "0", "o", ""}, /* Octal format info */
{"%ld", "", "d", ""}, /* Decimal format info */
unk_lang_print_type, /* Print a type using appropriate syntax */
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 */
+ unk_lang_demangle, /* Language specific symbol demangler */
{"", "", "", ""}, /* Binary format info */
{"0%lo", "0", "o", ""}, /* Octal format info */
{"%ld", "", "d", ""}, /* Decimal format info */
unk_lang_print_type, /* Print a type using appropriate syntax */
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 */
+ unk_lang_demangle, /* Language specific symbol demangler */
{"", "", "", ""}, /* Binary format info */
{"0%lo", "0", "o", ""}, /* Octal format info */
{"%ld", "", "d", ""}, /* Decimal format info */
"Set the current source language.",
&setlist);
show = add_show_from_set (set, &showlist);
- set->function.cfunc = set_language_command;
- show->function.cfunc = show_language_command;
+ set_cmd_cfunc (set, set_language_command);
+ set_cmd_cfunc (show, show_language_command);
add_prefix_cmd ("check", no_class, set_check,
- "Set the status of the type/range checker",
+ "Set the status of the type/range checker.",
&setchecklist, "set check ", 0, &setlist);
add_alias_cmd ("c", "check", no_class, 1, &setlist);
add_alias_cmd ("ch", "check", no_class, 1, &setlist);
add_prefix_cmd ("check", no_class, show_check,
- "Show the status of the type/range checker",
+ "Show the status of the type/range checker.",
&showchecklist, "show check ", 0, &showlist);
add_alias_cmd ("c", "check", no_class, 1, &showlist);
add_alias_cmd ("ch", "check", no_class, 1, &showlist);
"Set type checking. (on/warn/off/auto)",
&setchecklist);
show = add_show_from_set (set, &showchecklist);
- set->function.cfunc = set_type_command;
- show->function.cfunc = show_type_command;
+ set_cmd_cfunc (set, set_type_command);
+ set_cmd_cfunc (show, show_type_command);
set = add_set_cmd ("range", class_support, var_string_noescape,
(char *) &range,
"Set range checking. (on/warn/off/auto)",
&setchecklist);
show = add_show_from_set (set, &showchecklist);
- set->function.cfunc = set_range_command;
- show->function.cfunc = show_range_command;
+ set_cmd_cfunc (set, set_range_command);
+ set_cmd_cfunc (show, show_range_command);
set = add_set_cmd ("case-sensitive", class_support, var_string_noescape,
(char *) &case_sensitive,
For Fortran the default is off; for other languages the default is on.",
&setlist);
show = add_show_from_set (set, &showlist);
- set->function.cfunc = set_case_command;
- show->function.cfunc = show_case_command;
+ set_cmd_cfunc (set, set_case_command);
+ set_cmd_cfunc (show, show_case_command);
add_language (&unknown_language_defn);
add_language (&local_language_defn);
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