/* Scheme/Guile language support routines for GDB, the GNU debugger.
- Copyright 1995, 2000 Free Software Foundation, Inc.
+
+ Copyright (C) 1995, 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2007,
+ 2008 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 value_ptr evaluate_subexp_scm (struct type *, struct expression *,
+static struct value *evaluate_subexp_scm (struct type *, struct expression *,
int *, enum noside);
-static value_ptr scm_lookup_name (char *);
+static struct value *scm_lookup_name (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_PTR (c_builtin_types[]);
struct type *builtin_type_scm;
void
-scm_printchar (c, stream)
- int c;
- struct ui_file *stream;
+scm_printchar (int c, struct ui_file *stream)
{
fprintf_filtered (stream, "#\\%c", c);
}
static void
-scm_printstr (stream, string, length, width, force_ellipses)
- struct ui_file *stream;
- char *string;
- unsigned int length;
- int width;
- int force_ellipses;
+scm_printstr (struct ui_file *stream, const gdb_byte *string,
+ unsigned int length, int width, int force_ellipses)
{
fprintf_filtered (stream, "\"%s\"", string);
}
int
-is_scmvalue_type (type)
- struct type *type;
+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 (svalue, index)
- LONGEST svalue;
- int index;
+scm_get_field (LONGEST svalue, int index)
{
- char buffer[20];
+ gdb_byte 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));
or Boolean (CONTEXT == TYPE_CODE_BOOL). */
LONGEST
-scm_unpack (type, valaddr, context)
- 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))
{
return 1;
}
}
- error ("Value can't be converted to integer.");
+ error (_("Value can't be converted to integer."));
default:
return svalue;
}
/* True if we're correctly in Guile's eval.c (the evaluator and apply). */
static int
-in_eval_c ()
+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;
First lookup in Scheme context (using the scm_lookup_cstr inferior
function), then try lookup_symbol for compiled variables. */
-static value_ptr
-scm_lookup_name (str)
- char *str;
+static struct value *
+scm_lookup_name (char *str)
{
- value_ptr args[3];
+ struct objfile *objf;
+ struct gdbarch *gdbarch;
+ struct value *args[3];
int len = strlen (str);
- value_ptr func, val;
+ struct value *func;
+ struct value *val;
struct symbol *sym;
+
+ func = find_function_in_inferior ("scm_lookup_cstr", &objf);
+ gdbarch = get_objfile_arch (objf);
+
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);
- 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.");
+ error (_("No symbol \"%s\" in current context."), str);
}
-value_ptr
-scm_evaluate_string (str, len)
- char *str;
- int len;
+struct value *
+scm_evaluate_string (char *str, int len)
{
- value_ptr func;
- value_ptr addr = value_allocate_space_in_inferior (len + 1);
+ 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 value_ptr
-evaluate_subexp_scm (expect_type, exp, pos, noside)
- struct type *expect_type;
- register struct expression *exp;
- register int *pos;
- enum noside noside;
+static struct value *
+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;
goto nosideret;
str = &exp->elts[pc + 2].string;
return scm_lookup_name (str);
- case OP_EXPRSTRING:
+ 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_int8, (LONGEST) 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,
+ &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,
LANG_MAGIC
};
void
-_initialize_scheme_language ()
+_initialize_scheme_language (void)
{
add_language (&scm_language_defn);
- builtin_type_scm = init_type (TYPE_CODE_INT,
- TARGET_LONG_BIT / TARGET_CHAR_BIT,
- 0, "SCM", (struct objfile *) NULL);
+ builtin_type_scm =
+ init_type (TYPE_CODE_INT,
+ gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT,
+ 0, "SCM", (struct objfile *) NULL);
}