/* Multiple source language support for GDB.
Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+ 2002, 2003, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
Contributed by the Department of Computer Science at the State University
of New York at Buffalo.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This file contains functions that return things that are specific
to languages. Each function should examine current_language if necessary,
#include "parser-defs.h"
#include "jv-lang.h"
#include "demangle.h"
+#include "symfile.h"
extern void _initialize_language (void);
static void unk_lang_printchar (int c, struct ui_file *stream);
-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_value_print (struct value *, struct ui_file *, int, enum val_prettyprint);
-static CORE_ADDR unk_lang_trampoline (CORE_ADDR pc);
+static CORE_ADDR unk_lang_trampoline (struct frame_info *, CORE_ADDR pc);
/* Forward declaration */
extern const struct language_defn unknown_language_defn;
/* Found it! Go into manual mode, and use this language. */
if (languages[i]->la_language == language_auto)
{
- /* Enter auto mode. Set to the current frame's language, if known. */
+ /* Enter auto mode. Set to the current frame's language, if
+ known, or fallback to the initial language. */
language_mode = language_mode_auto;
flang = get_frame_language ();
if (flang != language_unknown)
set_language (flang);
+ else
+ set_initial_language ();
expected_language = current_language;
return;
}
}
#endif
\f
-struct type *
-lang_bool_type (void)
-{
- struct symbol *sym;
- struct type *type;
- switch (current_language->la_language)
- {
- case language_fortran:
- sym = lookup_symbol ("logical", NULL, VAR_DOMAIN, 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:
- case language_pascal:
- if (current_language->la_language==language_cplus)
- {sym = lookup_symbol ("bool", NULL, VAR_DOMAIN, NULL, NULL);}
- else
- {sym = lookup_symbol ("boolean", NULL, VAR_DOMAIN, NULL, NULL);}
- if (sym)
- {
- type = SYMBOL_TYPE (sym);
- if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
- return type;
- }
- return builtin_type_bool;
- case language_java:
- sym = lookup_symbol ("boolean", NULL, VAR_DOMAIN, NULL, NULL);
- if (sym)
- {
- type = SYMBOL_TYPE (sym);
- if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
- return type;
- }
- return java_boolean_type;
- default:
- return builtin_type_int;
- }
-}
-\f
/* This page contains functions that return info about
(struct value) values used in GDB. */
Return the result from the first that returns non-zero, or 0 if all
`fail'. */
CORE_ADDR
-skip_language_trampoline (CORE_ADDR pc)
+skip_language_trampoline (struct frame_info *frame, CORE_ADDR pc)
{
int i;
{
if (languages[i]->skip_trampoline)
{
- CORE_ADDR real_pc = (languages[i]->skip_trampoline) (pc);
+ CORE_ADDR real_pc = (languages[i]->skip_trampoline) (frame, pc);
if (real_pc)
return real_pc;
}
return NULL;
}
+/* Return non-zero if TYPE should be passed (and returned) by
+ reference at the language level. */
+int
+language_pass_by_reference (struct type *type)
+{
+ return current_language->la_pass_by_reference (type);
+}
+
+/* Return zero; by default, types are passed by value at the language
+ level. The target ABI may pass or return some structs by reference
+ independent of this. */
+int
+default_pass_by_reference (struct type *type)
+{
+ return 0;
+}
+
/* 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. */
error (_("internal error - unimplemented function unk_lang_printstr called."));
}
-static struct type *
-unk_lang_create_fundamental_type (struct objfile *objfile, int typeid)
-{
- error (_("internal error - unimplemented function unk_lang_create_fundamental_type called."));
-}
-
static void
unk_lang_print_type (struct type *type, char *varstring, struct ui_file *stream,
int show, int level)
error (_("internal error - unimplemented function unk_lang_value_print called."));
}
-static CORE_ADDR unk_lang_trampoline (CORE_ADDR pc)
+static CORE_ADDR unk_lang_trampoline (struct frame_info *frame, CORE_ADDR pc)
{
return 0;
}
struct language_arch_info *lai)
{
lai->string_char_type = builtin_type (gdbarch)->builtin_char;
+ lai->bool_type_default = builtin_type (gdbarch)->builtin_int;
lai->primitive_type_vector = GDBARCH_OBSTACK_CALLOC (gdbarch, 1,
struct type *);
}
{
"unknown",
language_unknown,
- NULL,
range_check_off,
type_check_off,
array_row_major,
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 */
unk_lang_value_print, /* Print a top-level value */
unk_lang_trampoline, /* Language specific skip_trampoline */
- value_of_this, /* value_of_this */
+ "this", /* name_of_this */
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
basic_lookup_transparent_type,/* lookup_transparent_type */
unk_lang_demangle, /* Language specific symbol demangler */
unk_op_print_tab, /* expression operators for printing */
1, /* c-style arrays */
0, /* String lower bound */
- NULL,
default_word_break_characters,
+ default_make_symbol_completion_list,
unknown_language_arch_info, /* la_language_arch_info. */
default_print_array_index,
+ default_pass_by_reference,
LANG_MAGIC
};
{
"auto",
language_auto,
- NULL,
range_check_off,
type_check_off,
array_row_major,
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 */
unk_lang_value_print, /* Print a top-level value */
unk_lang_trampoline, /* Language specific skip_trampoline */
- value_of_this, /* value_of_this */
+ "this", /* name_of_this */
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
basic_lookup_transparent_type,/* lookup_transparent_type */
unk_lang_demangle, /* Language specific symbol demangler */
unk_op_print_tab, /* expression operators for printing */
1, /* c-style arrays */
0, /* String lower bound */
- NULL,
default_word_break_characters,
+ default_make_symbol_completion_list,
unknown_language_arch_info, /* la_language_arch_info. */
default_print_array_index,
+ default_pass_by_reference,
LANG_MAGIC
};
{
"local",
language_auto,
- NULL,
range_check_off,
type_check_off,
case_sensitive_on,
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 */
unk_lang_value_print, /* Print a top-level value */
unk_lang_trampoline, /* Language specific skip_trampoline */
- value_of_this, /* value_of_this */
+ "this", /* name_of_this */
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
basic_lookup_transparent_type,/* lookup_transparent_type */
unk_lang_demangle, /* Language specific symbol demangler */
unk_op_print_tab, /* expression operators for printing */
1, /* c-style arrays */
0, /* String lower bound */
- NULL,
default_word_break_characters,
+ default_make_symbol_completion_list,
unknown_language_arch_info, /* la_language_arch_info. */
default_print_array_index,
+ default_pass_by_reference,
LANG_MAGIC
};
\f
{
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);
+ return ld->arch_info[la->la_language].string_char_type;
}
struct type *
-language_lookup_primitive_type_by_name (const struct language_defn *la,
- struct gdbarch *gdbarch,
- const char *name)
+language_bool_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].primitive_type_vector != NULL)
+
+ if (ld->arch_info[la->la_language].bool_type_symbol)
{
- struct type *const *p;
- for (p = ld->arch_info[la->la_language].primitive_type_vector;
- (*p) != NULL;
- p++)
+ struct symbol *sym;
+ sym = lookup_symbol (ld->arch_info[la->la_language].bool_type_symbol,
+ NULL, VAR_DOMAIN, NULL);
+ if (sym)
{
- if (strcmp (TYPE_NAME (*p), name) == 0)
- return (*p);
+ struct type *type = SYMBOL_TYPE (sym);
+ if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
+ return type;
}
}
- else
+
+ return ld->arch_info[la->la_language].bool_type_default;
+}
+
+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);
+ struct type *const *p;
+ for (p = ld->arch_info[la->la_language].primitive_type_vector;
+ (*p) != NULL;
+ p++)
{
- struct type **const *p;
- for (p = current_language->la_builtin_type_vector; *p != NULL; p++)
- {
- if (strcmp (TYPE_NAME (**p), name) == 0)
- return (**p);
- }
+ if (strcmp (TYPE_NAME (*p), name) == 0)
+ return (*p);
}
return (NULL);
}
projects / deliverable / binutils-gdb.git / blobdiff