/* Multiple source language support for GDB.
- Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002
- 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 "target.h"
#include "parser-defs.h"
#include "jv-lang.h"
+#include "demangle.h"
extern void _initialize_language (void);
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;
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. */
}
static void
-set_case_str()
+set_case_str (void)
{
char *tmp = NULL, *prefix = "";
{
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 */
}
internal_error (__FILE__, __LINE__, "failed internal consistency check");
return (struct type *) 0; /* For lint */
return form;
}
-/* 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
- string. Returns a pointer to this string. */
-char *
-longest_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
+/* Converts a LONGEST 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)
+local_hex_string (LONGEST num)
{
- 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 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". */
if (strlen (local_hex_format_prefix ()) + num_len + num_pad_chars
>= 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);
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:
- 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
-
-#ifdef _LANG_chill
- case language_chill:
- error ("Missing Chill support in function binop_type_check."); /*FIXME */
-#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
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;
+}
+
+/* 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 int
}
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.");
}
error ("internal error - unimplemented function unk_lang_value_print called.");
}
+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
range_check_off,
type_check_off,
case_sensitive_on,
+ &exp_descriptor_standard,
unk_lang_parser,
unk_lang_error,
- evaluate_subexp_standard,
unk_lang_printchar, /* Print character constant */
unk_lang_printstr,
unk_lang_emit_char,
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 */
1, /* c-style arrays */
0, /* String lower bound */
&builtin_type_char, /* Type of string elements */
+ default_word_break_characters,
LANG_MAGIC
};
range_check_off,
type_check_off,
case_sensitive_on,
+ &exp_descriptor_standard,
unk_lang_parser,
unk_lang_error,
- evaluate_subexp_standard,
unk_lang_printchar, /* Print character constant */
unk_lang_printstr,
unk_lang_emit_char,
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 */
1, /* c-style arrays */
0, /* String lower bound */
&builtin_type_char, /* Type of string elements */
+ default_word_break_characters,
LANG_MAGIC
};
range_check_off,
type_check_off,
case_sensitive_on,
+ &exp_descriptor_standard,
unk_lang_parser,
unk_lang_error,
- evaluate_subexp_standard,
unk_lang_printchar, /* Print character constant */
unk_lang_printstr,
unk_lang_emit_char,
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 */
1, /* c-style arrays */
0, /* String lower bound */
&builtin_type_char, /* Type of string elements */
+ default_word_break_characters,
LANG_MAGIC
};
\f
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);
projects / deliverable / binutils-gdb.git / blobdiff