/* Scheme/Guile language support routines for GDB, the GNU debugger.
- Copyright 1995, 1996, 1998, 2000, 2001, 2002
- Free Software Foundation, Inc.
+
+ Copyright (C) 1995, 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2007,
+ 2008, 2009, 2010 Free Software Foundation, Inc.
This file is part of GDB.
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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "symtab.h"
#include "c-lang.h"
#include "scm-lang.h"
#include "scm-tags.h"
+#include "source.h"
#include "gdb_string.h"
#include "gdbcore.h"
+#include "infcall.h"
+#include "objfiles.h"
extern void _initialize_scheme_language (void);
static struct value *evaluate_subexp_scm (struct type *, struct expression *,
int *, enum noside);
-static struct value *scm_lookup_name (char *);
+static struct value *scm_lookup_name (struct gdbarch *, char *);
static int in_eval_c (void);
-static void scm_printstr (struct ui_file * stream, char *string,
- unsigned int length, int width,
- int force_ellipses);
-
-extern struct type **const (c_builtin_types[]);
-
-struct type *builtin_type_scm;
void
-scm_printchar (int c, struct ui_file *stream)
+scm_printchar (int c, struct type *type, struct ui_file *stream)
{
fprintf_filtered (stream, "#\\%c", c);
}
static void
-scm_printstr (struct ui_file *stream, char *string, unsigned int length,
- int width, int force_ellipses)
+scm_printstr (struct ui_file *stream, struct type *type, const gdb_byte *string,
+ unsigned int length, int force_ellipses,
+ const struct value_print_options *options)
{
fprintf_filtered (stream, "\"%s\"", string);
}
int
is_scmvalue_type (struct type *type)
{
- if (TYPE_CODE (type) == TYPE_CODE_INT
- && TYPE_NAME (type) && strcmp (TYPE_NAME (type), "SCM") == 0)
+ if (TYPE_NAME (type) && strcmp (TYPE_NAME (type), "SCM") == 0)
{
return 1;
}
of the 0'th one. */
LONGEST
-scm_get_field (LONGEST svalue, int index)
+scm_get_field (LONGEST svalue, int index, int size,
+ enum bfd_endian byte_order)
{
- char buffer[20];
- read_memory (SCM2PTR (svalue) + index * TYPE_LENGTH (builtin_type_scm),
- buffer, TYPE_LENGTH (builtin_type_scm));
- return extract_signed_integer (buffer, TYPE_LENGTH (builtin_type_scm));
+ gdb_byte buffer[20];
+ read_memory (SCM2PTR (svalue) + index * size, buffer, size);
+ return extract_signed_integer (buffer, size, byte_order);
}
/* Unpack a value of type TYPE in buffer VALADDR as an integer
or Boolean (CONTEXT == TYPE_CODE_BOOL). */
LONGEST
-scm_unpack (struct type *type, char *valaddr, enum type_code context)
+scm_unpack (struct type *type, const gdb_byte *valaddr, enum type_code context)
{
if (is_scmvalue_type (type))
{
- LONGEST svalue = extract_signed_integer (valaddr, TYPE_LENGTH (type));
+ enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type));
+ LONGEST svalue
+ = extract_signed_integer (valaddr, TYPE_LENGTH (type), byte_order);
+
if (context == TYPE_CODE_BOOL)
{
if (svalue == SCM_BOOL_F)
return 1;
}
}
- error ("Value can't be converted to integer.");
+ error (_("Value can't be converted to integer."));
default:
return svalue;
}
static int
in_eval_c (void)
{
- if (current_source_symtab && current_source_symtab->filename)
+ struct symtab_and_line cursal = get_current_source_symtab_and_line ();
+
+ if (cursal.symtab && cursal.symtab->filename)
{
- char *filename = current_source_symtab->filename;
+ char *filename = cursal.symtab->filename;
int len = strlen (filename);
if (len >= 6 && strcmp (filename + len - 6, "eval.c") == 0)
return 1;
function), then try lookup_symbol for compiled variables. */
static struct value *
-scm_lookup_name (char *str)
+scm_lookup_name (struct gdbarch *gdbarch, char *str)
{
struct value *args[3];
int len = strlen (str);
struct value *func;
struct value *val;
struct symbol *sym;
+
+ func = find_function_in_inferior ("scm_lookup_cstr", NULL);
+
args[0] = value_allocate_space_in_inferior (len);
- args[1] = value_from_longest (builtin_type_int, len);
- write_memory (value_as_long (args[0]), str, len);
+ args[1] = value_from_longest (builtin_type (gdbarch)->builtin_int, len);
+ write_memory (value_as_long (args[0]), (gdb_byte *) str, len);
if (in_eval_c ()
&& (sym = lookup_symbol ("env",
expression_context_block,
- VAR_NAMESPACE, (int *) NULL,
- (struct symtab **) NULL)) != NULL)
+ VAR_DOMAIN, (int *) NULL)) != NULL)
args[2] = value_of_variable (sym, expression_context_block);
else
/* FIXME in this case, we should try lookup_symbol first */
- args[2] = value_from_longest (builtin_type_scm, SCM_EOL);
+ args[2] = value_from_longest (builtin_scm_type (gdbarch)->builtin_scm,
+ SCM_EOL);
- func = find_function_in_inferior ("scm_lookup_cstr");
val = call_function_by_hand (func, 3, args);
if (!value_logical_not (val))
return value_ind (val);
sym = lookup_symbol (str,
expression_context_block,
- VAR_NAMESPACE, (int *) NULL,
- (struct symtab **) NULL);
+ VAR_DOMAIN, (int *) NULL);
if (sym)
return value_of_variable (sym, NULL);
- error ("No symbol \"%s\" in current context.", str);
+ error (_("No symbol \"%s\" in current context."), str);
}
struct value *
struct value *func;
struct value *addr = value_allocate_space_in_inferior (len + 1);
LONGEST iaddr = value_as_long (addr);
- write_memory (iaddr, str, len);
+ write_memory (iaddr, (gdb_byte *) str, len);
/* FIXME - should find and pass env */
- write_memory (iaddr + len, "", 1);
- func = find_function_in_inferior ("scm_evstr");
+ write_memory (iaddr + len, (gdb_byte *) "", 1);
+ func = find_function_in_inferior ("scm_evstr", NULL);
return call_function_by_hand (func, 1, &addr);
}
static struct value *
-evaluate_subexp_scm (struct type *expect_type, register struct expression *exp,
- register int *pos, enum noside noside)
+evaluate_exp (struct type *expect_type, struct expression *exp,
+ int *pos, enum noside noside)
{
enum exp_opcode op = exp->elts[*pos].opcode;
int len, pc;
if (noside == EVAL_SKIP)
goto nosideret;
str = &exp->elts[pc + 2].string;
- return scm_lookup_name (str);
- case OP_EXPRSTRING:
+ return scm_lookup_name (exp->gdbarch, str);
+ case OP_STRING:
pc = (*pos)++;
len = longest_to_int (exp->elts[pc + 1].longconst);
(*pos) += 3 + BYTES_TO_EXP_ELEM (len + 1);
}
return evaluate_subexp_standard (expect_type, exp, pos, noside);
nosideret:
- return value_from_longest (builtin_type_long, (LONGEST) 1);
+ return value_from_longest (builtin_type (exp->gdbarch)->builtin_int, 1);
}
+const struct exp_descriptor exp_descriptor_scm =
+{
+ print_subexp_standard,
+ operator_length_standard,
+ op_name_standard,
+ dump_subexp_body_standard,
+ evaluate_exp
+};
+
const struct language_defn scm_language_defn =
{
"scheme", /* Language name */
language_scm,
- c_builtin_types,
range_check_off,
type_check_off,
case_sensitive_off,
+ array_row_major,
+ macro_expansion_no,
+ &exp_descriptor_scm,
scm_parse,
c_error,
- evaluate_subexp_scm,
+ null_post_parser,
scm_printchar, /* Print a character constant */
scm_printstr, /* Function to print string constant */
NULL, /* Function to print a single character */
- NULL, /* Create fundamental type in this language */
c_print_type, /* Print a type using appropriate syntax */
+ default_print_typedef, /* Print a typedef using appropriate syntax */
scm_val_print, /* Print a value using appropriate syntax */
scm_value_print, /* Print a top-level value */
- {"", "", "", ""}, /* Binary format info */
- {"#o%lo", "#o", "o", ""}, /* Octal format info */
- {"%ld", "", "d", ""}, /* Decimal format info */
- {"#x%lX", "#X", "X", ""}, /* Hex format info */
+ NULL, /* Language specific skip_trampoline */
+ NULL, /* name_of_this */
+ basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
+ basic_lookup_transparent_type,/* lookup_transparent_type */
+ NULL, /* Language specific symbol demangler */
+ NULL, /* Language specific class_name_from_physname */
NULL, /* expression operators for printing */
1, /* c-style arrays */
0, /* String lower bound */
- &builtin_type_char, /* Type of string elements */
+ default_word_break_characters,
+ default_make_symbol_completion_list,
+ c_language_arch_info,
+ default_print_array_index,
+ default_pass_by_reference,
+ default_get_string,
LANG_MAGIC
};
+static void *
+build_scm_types (struct gdbarch *gdbarch)
+{
+ struct builtin_scm_type *builtin_scm_type
+ = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_scm_type);
+
+ builtin_scm_type->builtin_scm
+ = arch_integer_type (gdbarch, gdbarch_long_bit (gdbarch), 0, "SCM");
+
+ return builtin_scm_type;
+}
+
+static struct gdbarch_data *scm_type_data;
+
+const struct builtin_scm_type *
+builtin_scm_type (struct gdbarch *gdbarch)
+{
+ return gdbarch_data (gdbarch, scm_type_data);
+}
+
void
_initialize_scheme_language (void)
{
+ scm_type_data = gdbarch_data_register_post_init (build_scm_types);
+
add_language (&scm_language_defn);
- builtin_type_scm = init_type (TYPE_CODE_INT,
- TARGET_LONG_BIT / TARGET_CHAR_BIT,
- 0, "SCM", (struct objfile *) NULL);
}
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