/* Scheme/Guile language support routines for GDB, the GNU debugger.
- Copyright 1995 Free Software Foundation, Inc.
-This file is part of GDB.
+ Copyright (C) 1995, 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2007,
+ 2008, 2009 Free Software Foundation, Inc.
-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
-(at your option) any later version.
+ This file is part of GDB.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ 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 3 of the License, or
+ (at your option) any later version.
-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. */
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ 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, 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 struct type ** const (c_builtin_types[]);
-extern value_ptr value_allocate_space_in_inferior PARAMS ((int));
-extern value_ptr find_function_in_inferior PARAMS ((char*));
+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 int in_eval_c (void);
struct type *builtin_type_scm;
void
-scm_printchar (c, stream)
- int c;
- GDB_FILE *stream;
+scm_printchar (int c, struct ui_file *stream)
{
fprintf_filtered (stream, "#\\%c", c);
}
static void
-scm_printstr (stream, string, length, force_ellipses)
- GDB_FILE *stream;
- char *string;
- unsigned int length;
- int force_ellipses;
+scm_printstr (struct ui_file *stream, const gdb_byte *string,
+ unsigned int length, int width, int force_ellipses,
+ const struct value_print_options *options)
{
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)
{
- value_ptr val;
- 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))
{
else
return 1;
}
- switch (7 & svalue)
+ switch (7 & (int) svalue)
{
- case 2: case 6: /* fixnum */
+ case 2:
+ case 6: /* fixnum */
return svalue >> 2;
- case 4: /* other immediate value */
- if (SCM_ICHRP (svalue)) /* character */
+ case 4: /* other immediate value */
+ if (SCM_ICHRP (svalue)) /* character */
return SCM_ICHR (svalue);
else if (SCM_IFLAGP (svalue))
{
- switch (svalue)
+ switch ((int) svalue)
{
#ifndef SICP
case SCM_EOL:
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. */
-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 symval, 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; char *str;
+ int len, pc;
+ char *str;
switch (op)
{
case OP_NAME:
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);
goto nosideret;
str = &exp->elts[pc + 2].string;
return scm_evaluate_string (str, len);
- default: ;
+ default:;
}
return evaluate_subexp_standard (expect_type, exp, pos, noside);
- nosideret:
- return value_from_longest (builtin_type_long, (LONGEST) 1);
+nosideret:
+ return value_from_longest (builtin_type_int8, (LONGEST) 1);
}
-const struct language_defn scm_language_defn = {
+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,
- scm_printchar, /* Print a character constant */
+ null_post_parser,
+ scm_printchar, /* Print a character constant */
scm_printstr, /* Function to print string constant */
- NULL, /* Create fundamental type in this language */
+ NULL, /* Function to print a single character */
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
};
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);
}