#include "defs.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "parser-defs.h"
#include "language.h"
#include "gdbtypes.h"
#include "symtab.h"
#include "symfile.h"
#include "objfiles.h"
#include "gdb_string.h"
#include "value.h"
#include "c-lang.h"
#include "jv-lang.h"
#include "gdbcore.h"
#include "block.h"
#include "demangle.h"
#include "dictionary.h"
#include <ctype.h>
struct type *java_int_type;
struct type *java_byte_type;
struct type *java_short_type;
struct type *java_long_type;
struct type *java_boolean_type;
struct type *java_char_type;
struct type *java_float_type;
struct type *java_double_type;
struct type *java_void_type;
extern void _initialize_java_language (void);
static int java_demangled_signature_length (char *);
static void java_demangled_signature_copy (char *, char *);
static struct symtab *get_java_class_symtab (void);
static char *get_java_utf8_name (struct obstack *obstack, struct value *name);
static int java_class_is_primitive (struct value *clas);
static struct value *java_value_string (char *ptr, int len);
static void java_emit_char (int c, struct ui_file * stream, int quoter);
static char *java_class_name_from_physname (const char *physname);
static struct objfile *dynamics_objfile = NULL;
static struct type *java_link_class_type (struct type *, struct value *);
static struct objfile *
get_dynamics_objfile (void)
{
if (dynamics_objfile == NULL)
{
dynamics_objfile = allocate_objfile (NULL, 0, 0, 0, NULL);
}
return dynamics_objfile;
}
#if 1
static struct symtab *class_symtab = NULL;
static void free_class_block (struct symtab *symtab);
static struct symtab *
get_java_class_symtab (void)
{
if (class_symtab == NULL)
{
struct objfile *objfile = get_dynamics_objfile ();
struct blockvector *bv;
struct block *bl;
class_symtab = allocate_symtab ("<java-classes>", objfile);
class_symtab->language = language_java;
bv = (struct blockvector *)
obstack_alloc (&objfile->objfile_obstack,
sizeof (struct blockvector) + sizeof (struct block *));
BLOCKVECTOR_NBLOCKS (bv) = 1;
BLOCKVECTOR (class_symtab) = bv;
bl = allocate_block (&objfile->objfile_obstack);
BLOCK_DICT (bl) = dict_create_linear (&objfile->objfile_obstack,
NULL);
BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK) = bl;
bl = allocate_block (&objfile->objfile_obstack);
BLOCK_DICT (bl) = dict_create_hashed_expandable ();
BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl;
class_symtab->free_func = free_class_block;
}
return class_symtab;
}
static void
add_class_symtab_symbol (struct symbol *sym)
{
struct symtab *symtab = get_java_class_symtab ();
struct blockvector *bv = BLOCKVECTOR (symtab);
dict_add_symbol (BLOCK_DICT (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)), sym);
}
static struct symbol *add_class_symbol (struct type *type, CORE_ADDR addr);
static struct symbol *
add_class_symbol (struct type *type, CORE_ADDR addr)
{
struct symbol *sym;
sym = (struct symbol *)
obstack_alloc (&dynamics_objfile->objfile_obstack, sizeof (struct symbol));
memset (sym, 0, sizeof (struct symbol));
SYMBOL_LANGUAGE (sym) = language_java;
DEPRECATED_SYMBOL_NAME (sym) = TYPE_TAG_NAME (type);
SYMBOL_CLASS (sym) = LOC_TYPEDEF;
SYMBOL_TYPE (sym) = type;
SYMBOL_DOMAIN (sym) = STRUCT_DOMAIN;
SYMBOL_VALUE_ADDRESS (sym) = addr;
return sym;
}
static void
free_class_block (struct symtab *symtab)
{
struct blockvector *bv = BLOCKVECTOR (symtab);
struct block *bl = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
dict_free (BLOCK_DICT (bl));
}
#endif
struct type *
java_lookup_class (char *name)
{
struct symbol *sym;
sym = lookup_symbol (name, expression_context_block, STRUCT_DOMAIN,
(int *) 0, (struct symtab **) NULL);
if (sym != NULL)
return SYMBOL_TYPE (sym);
#if 0
CORE_ADDR addr;
if (called from parser)
{
call lookup_class (or similar) in inferior;
if not
found:
return NULL;
addr = found in inferior;
}
else
addr = 0;
struct type *type;
type = alloc_type (objfile);
TYPE_CODE (type) = TYPE_CODE_STRUCT;
INIT_CPLUS_SPECIFIC (type);
TYPE_TAG_NAME (type) = obsavestring (name, strlen (name), &objfile->objfile_obstack);
TYPE_FLAGS (type) |= TYPE_FLAG_STUB;
TYPE ? = addr;
return type;
#else
return NULL;
#endif
}
char *
get_java_utf8_name (struct obstack *obstack, struct value *name)
{
char *chrs;
struct value *temp = name;
int name_length;
CORE_ADDR data_addr;
temp = value_struct_elt (&temp, NULL, "length", NULL, "structure");
name_length = (int) value_as_long (temp);
data_addr = VALUE_ADDRESS (temp) + value_offset (temp)
+ TYPE_LENGTH (value_type (temp));
chrs = obstack_alloc (obstack, name_length + 1);
chrs[name_length] = '\0';
read_memory (data_addr, (gdb_byte *) chrs, name_length);
return chrs;
}
struct value *
java_class_from_object (struct value *obj_val)
{
struct value *vtable_val;
if (TYPE_CODE (value_type (obj_val)) == TYPE_CODE_PTR
&& TYPE_LENGTH (TYPE_TARGET_TYPE (value_type (obj_val))) == 0)
obj_val = value_at (get_java_object_type (),
value_as_address (obj_val));
vtable_val = value_struct_elt (&obj_val, NULL, "vtable", NULL, "structure");
return value_struct_elt (&vtable_val, NULL, "class", NULL, "structure");
}
static int
java_class_is_primitive (struct value *clas)
{
struct value *vtable = value_struct_elt (&clas, NULL, "vtable", NULL, "struct");
CORE_ADDR i = value_as_address (vtable);
return (int) (i & 0x7fffffff) == (int) 0x7fffffff;
}
struct type *
type_from_class (struct value *clas)
{
struct type *type;
char *name;
struct value *temp;
struct objfile *objfile;
struct value *utf8_name;
char *nptr;
CORE_ADDR addr;
int is_array = 0;
type = check_typedef (value_type (clas));
if (TYPE_CODE (type) == TYPE_CODE_PTR)
{
if (value_logical_not (clas))
return NULL;
clas = value_ind (clas);
}
addr = VALUE_ADDRESS (clas) + value_offset (clas);
#if 0
get_java_class_symtab ();
bl = BLOCKVECTOR_BLOCK (BLOCKVECTOR (class_symtab), GLOBAL_BLOCK);
ALL_BLOCK_SYMBOLS (block, iter, sym)
{
if (SYMBOL_VALUE_ADDRESS (sym) == addr)
return SYMBOL_TYPE (sym);
}
#endif
objfile = get_dynamics_objfile ();
if (java_class_is_primitive (clas))
{
struct value *sig;
temp = clas;
sig = value_struct_elt (&temp, NULL, "method_count", NULL, "structure");
return java_primitive_type (value_as_long (sig));
}
temp = clas;
utf8_name = value_struct_elt (&temp, NULL, "name", NULL, "structure");
name = get_java_utf8_name (&objfile->objfile_obstack, utf8_name);
for (nptr = name; *nptr != 0; nptr++)
{
if (*nptr == '/')
*nptr = '.';
}
type = java_lookup_class (name);
if (type != NULL)
return type;
type = alloc_type (objfile);
TYPE_CODE (type) = TYPE_CODE_STRUCT;
INIT_CPLUS_SPECIFIC (type);
if (name[0] == '[')
{
char *signature = name;
int namelen = java_demangled_signature_length (signature);
if (namelen > strlen (name))
name = obstack_alloc (&objfile->objfile_obstack, namelen + 1);
java_demangled_signature_copy (name, signature);
name[namelen] = '\0';
is_array = 1;
temp = clas;
temp = value_struct_elt (&temp, NULL, "methods", NULL, "structure");
deprecated_set_value_type (temp, lookup_pointer_type (value_type (clas)));
TYPE_TARGET_TYPE (type) = type_from_class (temp);
}
ALLOCATE_CPLUS_STRUCT_TYPE (type);
TYPE_TAG_NAME (type) = name;
add_class_symtab_symbol (add_class_symbol (type, addr));
return java_link_class_type (type, clas);
}
struct type *
java_link_class_type (struct type *type, struct value *clas)
{
struct value *temp;
char *unqualified_name;
char *name = TYPE_TAG_NAME (type);
int ninterfaces, nfields, nmethods;
int type_is_object = 0;
struct fn_field *fn_fields;
struct fn_fieldlist *fn_fieldlists;
struct value *fields;
struct value *methods;
struct value *method = NULL;
struct value *field = NULL;
int i, j;
struct objfile *objfile = get_dynamics_objfile ();
struct type *tsuper;
unqualified_name = strrchr (name, '.');
if (unqualified_name == NULL)
unqualified_name = name;
temp = clas;
temp = value_struct_elt (&temp, NULL, "superclass", NULL, "structure");
if (name != NULL && strcmp (name, "java.lang.Object") == 0)
{
tsuper = get_java_object_type ();
if (tsuper && TYPE_CODE (tsuper) == TYPE_CODE_PTR)
tsuper = TYPE_TARGET_TYPE (tsuper);
type_is_object = 1;
}
else
tsuper = type_from_class (temp);
#if 1
ninterfaces = 0;
#else
temp = clas;
ninterfaces = value_as_long (value_struct_elt (&temp, NULL, "interface_len", NULL, "structure"));
#endif
TYPE_N_BASECLASSES (type) = (tsuper == NULL ? 0 : 1) + ninterfaces;
temp = clas;
nfields = value_as_long (value_struct_elt (&temp, NULL, "field_count", NULL, "structure"));
nfields += TYPE_N_BASECLASSES (type);
nfields++;
TYPE_NFIELDS (type) = nfields;
TYPE_FIELDS (type) = (struct field *)
TYPE_ALLOC (type, sizeof (struct field) * nfields);
memset (TYPE_FIELDS (type), 0, sizeof (struct field) * nfields);
TYPE_FIELD_PRIVATE_BITS (type) =
(B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields);
TYPE_FIELD_PROTECTED_BITS (type) =
(B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields);
TYPE_FIELD_IGNORE_BITS (type) =
(B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
B_CLRALL (TYPE_FIELD_IGNORE_BITS (type), nfields);
TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *)
TYPE_ALLOC (type, B_BYTES (TYPE_N_BASECLASSES (type)));
B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type));
if (tsuper != NULL)
{
TYPE_BASECLASS (type, 0) = tsuper;
if (type_is_object)
SET_TYPE_FIELD_PRIVATE (type, 0);
}
i = strlen (name);
if (i > 2 && name[i - 1] == ']' && tsuper != NULL)
{
TYPE_LENGTH_ASSIGN (type) = TYPE_LENGTH (tsuper) + 4;
}
else
{
temp = clas;
temp = value_struct_elt (&temp, NULL, "size_in_bytes", NULL, "structure");
TYPE_LENGTH_ASSIGN (type) = value_as_long (temp);
}
fields = NULL;
nfields--;
SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields),
VALUE_ADDRESS (clas) + value_offset (clas));
TYPE_FIELD_NAME (type, nfields) = "class";
TYPE_FIELD_TYPE (type, nfields) = value_type (clas);
SET_TYPE_FIELD_PRIVATE (type, nfields);
for (i = TYPE_N_BASECLASSES (type); i < nfields; i++)
{
int accflags;
int boffset;
if (fields == NULL)
{
temp = clas;
fields = value_struct_elt (&temp, NULL, "fields", NULL, "structure");
field = value_ind (fields);
}
else
{
VALUE_ADDRESS (field) += TYPE_LENGTH (value_type (field));
set_value_lazy (field, 1);
}
temp = field;
temp = value_struct_elt (&temp, NULL, "name", NULL, "structure");
TYPE_FIELD_NAME (type, i) =
get_java_utf8_name (&objfile->objfile_obstack, temp);
temp = field;
accflags = value_as_long (value_struct_elt (&temp, NULL, "accflags",
NULL, "structure"));
temp = field;
temp = value_struct_elt (&temp, NULL, "info", NULL, "structure");
boffset = value_as_long (value_struct_elt (&temp, NULL, "boffset",
NULL, "structure"));
if (accflags & 0x0001)
{
}
if (accflags & 0x0002)
{
SET_TYPE_FIELD_PRIVATE (type, i);
}
if (accflags & 0x0004)
{
SET_TYPE_FIELD_PROTECTED (type, i);
}
if (accflags & 0x0008)
SET_FIELD_PHYSADDR (TYPE_FIELD (type, i), boffset);
else
TYPE_FIELD_BITPOS_ASSIGN (type, i) = 8 * boffset;
if (accflags & 0x8000)
{
TYPE_FIELD_TYPE (type, i) = get_java_object_type ();
}
else
{
struct type *ftype;
temp = field;
temp = value_struct_elt (&temp, NULL, "type", NULL, "structure");
ftype = type_from_class (temp);
if (TYPE_CODE (ftype) == TYPE_CODE_STRUCT)
ftype = lookup_pointer_type (ftype);
TYPE_FIELD_TYPE (type, i) = ftype;
}
}
temp = clas;
nmethods = value_as_long (value_struct_elt (&temp, NULL, "method_count",
NULL, "structure"));
TYPE_NFN_FIELDS_TOTAL (type) = nmethods;
j = nmethods * sizeof (struct fn_field);
fn_fields = (struct fn_field *)
obstack_alloc (&dynamics_objfile->objfile_obstack, j);
memset (fn_fields, 0, j);
fn_fieldlists = (struct fn_fieldlist *)
alloca (nmethods * sizeof (struct fn_fieldlist));
methods = NULL;
for (i = 0; i < nmethods; i++)
{
char *mname;
int k;
if (methods == NULL)
{
temp = clas;
methods = value_struct_elt (&temp, NULL, "methods", NULL, "structure");
method = value_ind (methods);
}
else
{
VALUE_ADDRESS (method) += TYPE_LENGTH (value_type (method));
set_value_lazy (method, 1);
}
temp = method;
temp = value_struct_elt (&temp, NULL, "name", NULL, "structure");
mname = get_java_utf8_name (&objfile->objfile_obstack, temp);
if (strcmp (mname, "<init>") == 0)
mname = unqualified_name;
for (k = 0, j = TYPE_NFN_FIELDS (type);;)
{
if (--j < 0)
{
j = TYPE_NFN_FIELDS (type)++;
fn_fieldlists[j].name = mname;
fn_fieldlists[j].length = 1;
fn_fieldlists[j].fn_fields = &fn_fields[i];
k = i;
break;
}
if (strcmp (mname, fn_fieldlists[j].name) == 0)
{
int l;
if (mname != unqualified_name)
obstack_free (&objfile->objfile_obstack, mname);
mname = fn_fieldlists[j].name;
fn_fieldlists[j].length++;
k = i - k;
for (l = i; l > k; l--)
fn_fields[l] = fn_fields[l - 1];
for (l = TYPE_NFN_FIELDS (type); --l > j;)
fn_fieldlists[l].fn_fields++;
break;
}
k += fn_fieldlists[j].length;
}
fn_fields[k].physname = "";
fn_fields[k].is_stub = 1;
fn_fields[k].type = make_function_type (java_void_type, NULL);
TYPE_CODE (fn_fields[k].type) = TYPE_CODE_METHOD;
}
j = TYPE_NFN_FIELDS (type) * sizeof (struct fn_fieldlist);
TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *)
obstack_alloc (&dynamics_objfile->objfile_obstack, j);
memcpy (TYPE_FN_FIELDLISTS (type), fn_fieldlists, j);
return type;
}
static struct type *java_object_type;
struct type *
get_java_object_type (void)
{
if (java_object_type == NULL)
{
struct symbol *sym;
sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_DOMAIN,
(int *) 0, (struct symtab **) NULL);
if (sym == NULL)
error (_("cannot find java.lang.Object"));
java_object_type = SYMBOL_TYPE (sym);
}
return java_object_type;
}
int
get_java_object_header_size (void)
{
struct type *objtype = get_java_object_type ();
if (objtype == NULL)
return (2 * TARGET_PTR_BIT / TARGET_CHAR_BIT);
else
return TYPE_LENGTH (objtype);
}
int
is_object_type (struct type *type)
{
CHECK_TYPEDEF (type);
if (TYPE_CODE (type) == TYPE_CODE_PTR)
{
struct type *ttype = check_typedef (TYPE_TARGET_TYPE (type));
char *name;
if (TYPE_CODE (ttype) != TYPE_CODE_STRUCT)
return 0;
while (TYPE_N_BASECLASSES (ttype) > 0)
ttype = TYPE_BASECLASS (ttype, 0);
name = TYPE_TAG_NAME (ttype);
if (name != NULL && strcmp (name, "java.lang.Object") == 0)
return 1;
name = TYPE_NFIELDS (ttype) > 0 ? TYPE_FIELD_NAME (ttype, 0) : (char *) 0;
if (name != NULL && strcmp (name, "vtable") == 0)
{
if (java_object_type == NULL)
java_object_type = type;
return 1;
}
}
return 0;
}
struct type *
java_primitive_type (int signature)
{
switch (signature)
{
case 'B':
return java_byte_type;
case 'S':
return java_short_type;
case 'I':
return java_int_type;
case 'J':
return java_long_type;
case 'Z':
return java_boolean_type;
case 'C':
return java_char_type;
case 'F':
return java_float_type;
case 'D':
return java_double_type;
case 'V':
return java_void_type;
}
error (_("unknown signature '%c' for primitive type"), (char) signature);
}
struct type *
java_primitive_type_from_name (char *name, int namelen)
{
switch (name[0])
{
case 'b':
if (namelen == 4 && memcmp (name, "byte", 4) == 0)
return java_byte_type;
if (namelen == 7 && memcmp (name, "boolean", 7) == 0)
return java_boolean_type;
break;
case 'c':
if (namelen == 4 && memcmp (name, "char", 4) == 0)
return java_char_type;
case 'd':
if (namelen == 6 && memcmp (name, "double", 6) == 0)
return java_double_type;
break;
case 'f':
if (namelen == 5 && memcmp (name, "float", 5) == 0)
return java_float_type;
break;
case 'i':
if (namelen == 3 && memcmp (name, "int", 3) == 0)
return java_int_type;
break;
case 'l':
if (namelen == 4 && memcmp (name, "long", 4) == 0)
return java_long_type;
break;
case 's':
if (namelen == 5 && memcmp (name, "short", 5) == 0)
return java_short_type;
break;
case 'v':
if (namelen == 4 && memcmp (name, "void", 4) == 0)
return java_void_type;
break;
}
return NULL;
}
static int
java_demangled_signature_length (char *signature)
{
int array = 0;
for (; *signature == '['; signature++)
array += 2;
switch (signature[0])
{
case 'L':
return strlen (signature) - 2 + array;
default:
return strlen (TYPE_NAME (java_primitive_type (signature[0]))) + array;
}
}
static void
java_demangled_signature_copy (char *result, char *signature)
{
int array = 0;
char *ptr;
int i;
while (*signature == '[')
{
array++;
signature++;
}
switch (signature[0])
{
case 'L':
signature++;
ptr = result;
for (; *signature != ';' && *signature != '\0'; signature++)
{
if (*signature == '/')
*ptr++ = '.';
else
*ptr++ = *signature;
}
break;
default:
ptr = TYPE_NAME (java_primitive_type (signature[0]));
i = strlen (ptr);
strcpy (result, ptr);
ptr = result + i;
break;
}
while (--array >= 0)
{
*ptr++ = '[';
*ptr++ = ']';
}
}
char *
java_demangle_type_signature (char *signature)
{
int length = java_demangled_signature_length (signature);
char *result = xmalloc (length + 1);
java_demangled_signature_copy (result, signature);
result[length] = '\0';
return result;
}
struct type *
java_array_type (struct type *type, int dims)
{
struct type *range_type;
while (dims-- > 0)
{
range_type = create_range_type (NULL, builtin_type_int, 0, 0);
type = create_array_type (NULL, type, range_type);
}
return type;
}
static struct value *
java_value_string (char *ptr, int len)
{
error (_("not implemented - java_value_string"));
}
static void
java_emit_char (int c, struct ui_file *stream, int quoter)
{
switch (c)
{
case '\\':
case '\'':
fprintf_filtered (stream, "\\%c", c);
break;
case '\b':
fputs_filtered ("\\b", stream);
break;
case '\t':
fputs_filtered ("\\t", stream);
break;
case '\n':
fputs_filtered ("\\n", stream);
break;
case '\f':
fputs_filtered ("\\f", stream);
break;
case '\r':
fputs_filtered ("\\r", stream);
break;
default:
if (isprint (c))
fputc_filtered (c, stream);
else
fprintf_filtered (stream, "\\u%.4x", (unsigned int) c);
break;
}
}
static struct value *
evaluate_subexp_java (struct type *expect_type, struct expression *exp,
int *pos, enum noside noside)
{
int pc = *pos;
int i;
char *name;
enum exp_opcode op = exp->elts[*pos].opcode;
struct value *arg1;
struct value *arg2;
struct type *type;
switch (op)
{
case UNOP_IND:
if (noside == EVAL_SKIP)
goto standard;
(*pos)++;
arg1 = evaluate_subexp_java (NULL_TYPE, exp, pos, EVAL_NORMAL);
if (is_object_type (value_type (arg1)))
{
struct type *type;
type = type_from_class (java_class_from_object (arg1));
arg1 = value_cast (lookup_pointer_type (type), arg1);
}
if (noside == EVAL_SKIP)
goto nosideret;
return value_ind (arg1);
case BINOP_SUBSCRIPT:
(*pos)++;
arg1 = evaluate_subexp_with_coercion (exp, pos, noside);
arg2 = evaluate_subexp_with_coercion (exp, pos, noside);
if (noside == EVAL_SKIP)
goto nosideret;
arg1 = coerce_ref (arg1);
type = check_typedef (value_type (arg1));
if (TYPE_CODE (type) == TYPE_CODE_PTR)
type = check_typedef (TYPE_TARGET_TYPE (type));
name = TYPE_NAME (type);
if (name == NULL)
name = TYPE_TAG_NAME (type);
i = name == NULL ? 0 : strlen (name);
if (TYPE_CODE (type) == TYPE_CODE_STRUCT
&& i > 2 && name[i - 1] == ']')
{
CORE_ADDR address;
long length, index;
struct type *el_type;
gdb_byte buf4[4];
struct value *clas = java_class_from_object (arg1);
struct value *temp = clas;
temp = value_struct_elt (&temp, NULL, "methods",
NULL, "structure");
deprecated_set_value_type (temp, value_type (clas));
el_type = type_from_class (temp);
if (TYPE_CODE (el_type) == TYPE_CODE_STRUCT)
el_type = lookup_pointer_type (el_type);
if (noside == EVAL_AVOID_SIDE_EFFECTS)
return value_zero (el_type, VALUE_LVAL (arg1));
address = value_as_address (arg1);
address += JAVA_OBJECT_SIZE;
read_memory (address, buf4, 4);
length = (long) extract_signed_integer (buf4, 4);
index = (long) value_as_long (arg2);
if (index >= length || index < 0)
error (_("array index (%ld) out of bounds (length: %ld)"),
index, length);
address = (address + 4) + index * TYPE_LENGTH (el_type);
return value_at (el_type, address);
}
else if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
{
if (noside == EVAL_AVOID_SIDE_EFFECTS)
return value_zero (TYPE_TARGET_TYPE (type), VALUE_LVAL (arg1));
else
return value_subscript (arg1, arg2);
}
if (name)
error (_("cannot subscript something of type `%s'"), name);
else
error (_("cannot subscript requested type"));
case OP_STRING:
(*pos)++;
i = longest_to_int (exp->elts[pc + 1].longconst);
(*pos) += 3 + BYTES_TO_EXP_ELEM (i + 1);
if (noside == EVAL_SKIP)
goto nosideret;
return java_value_string (&exp->elts[pc + 2].string, i);
case STRUCTOP_STRUCT:
arg1 = evaluate_subexp_standard (expect_type, exp, pos, noside);
if (TYPE_CODE (value_type (arg1)) == TYPE_CODE_STRUCT)
arg1 = value_addr (arg1);
return arg1;
default:
break;
}
standard:
return evaluate_subexp_standard (expect_type, exp, pos, noside);
nosideret:
return value_from_longest (builtin_type_long, (LONGEST) 1);
}
static struct type *
java_create_fundamental_type (struct objfile *objfile, int typeid)
{
switch (typeid)
{
case FT_VOID:
return java_void_type;
case FT_BOOLEAN:
return java_boolean_type;
case FT_CHAR:
return java_char_type;
case FT_FLOAT:
return java_float_type;
case FT_DBL_PREC_FLOAT:
return java_double_type;
case FT_BYTE:
case FT_SIGNED_CHAR:
return java_byte_type;
case FT_SHORT:
case FT_SIGNED_SHORT:
return java_short_type;
case FT_INTEGER:
case FT_SIGNED_INTEGER:
return java_int_type;
case FT_LONG:
case FT_SIGNED_LONG:
return java_long_type;
}
return c_create_fundamental_type (objfile, typeid);
}
static char *java_demangle (const char *mangled, int options)
{
return cplus_demangle (mangled, options | DMGL_JAVA);
}
static const char *
java_find_last_component (const char *name)
{
const char *p;
p = strchr (name, '(');
if (p == NULL)
return NULL;
while (p > name && *p != '.')
p--;
if (p == name)
return NULL;
return p;
}
static char *
java_class_name_from_physname (const char *physname)
{
char *ret = NULL;
const char *end;
char *demangled_name = java_demangle (physname, DMGL_PARAMS | DMGL_ANSI);
if (demangled_name == NULL)
return NULL;
end = java_find_last_component (demangled_name);
if (end != NULL)
{
ret = xmalloc (end - demangled_name + 1);
memcpy (ret, demangled_name, end - demangled_name);
ret[end - demangled_name] = '\0';
}
xfree (demangled_name);
return ret;
}
const struct op_print java_op_print_tab[] =
{
{",", BINOP_COMMA, PREC_COMMA, 0},
{"=", BINOP_ASSIGN, PREC_ASSIGN, 1},
{"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
{"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
{"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0},
{"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0},
{"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0},
{"==", BINOP_EQUAL, PREC_EQUAL, 0},
{"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0},
{"<=", BINOP_LEQ, PREC_ORDER, 0},
{">=", BINOP_GEQ, PREC_ORDER, 0},
{">", BINOP_GTR, PREC_ORDER, 0},
{"<", BINOP_LESS, PREC_ORDER, 0},
{">>", BINOP_RSH, PREC_SHIFT, 0},
{"<<", BINOP_LSH, PREC_SHIFT, 0},
#if 0
{">>>", BINOP_ ? ? ?, PREC_SHIFT, 0},
#endif
{"+", BINOP_ADD, PREC_ADD, 0},
{"-", BINOP_SUB, PREC_ADD, 0},
{"*", BINOP_MUL, PREC_MUL, 0},
{"/", BINOP_DIV, PREC_MUL, 0},
{"%", BINOP_REM, PREC_MUL, 0},
{"-", UNOP_NEG, PREC_PREFIX, 0},
{"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
{"~", UNOP_COMPLEMENT, PREC_PREFIX, 0},
{"*", UNOP_IND, PREC_PREFIX, 0},
#if 0
{"instanceof", ? ? ?, ? ? ?, 0},
#endif
{"++", UNOP_PREINCREMENT, PREC_PREFIX, 0},
{"--", UNOP_PREDECREMENT, PREC_PREFIX, 0},
{NULL, 0, 0, 0}
};
const struct exp_descriptor exp_descriptor_java =
{
print_subexp_standard,
operator_length_standard,
op_name_standard,
dump_subexp_body_standard,
evaluate_subexp_java
};
const struct language_defn java_language_defn =
{
"java",
language_java,
NULL,
range_check_off,
type_check_off,
case_sensitive_on,
array_row_major,
&exp_descriptor_java,
java_parse,
java_error,
null_post_parser,
c_printchar,
c_printstr,
java_emit_char,
java_create_fundamental_type,
java_print_type,
java_val_print,
java_value_print,
NULL,
value_of_this,
basic_lookup_symbol_nonlocal,
basic_lookup_transparent_type,
java_demangle,
java_class_name_from_physname,
java_op_print_tab,
0,
0,
NULL,
default_word_break_characters,
c_language_arch_info,
LANG_MAGIC
};
void
_initialize_java_language (void)
{
java_int_type = init_type (TYPE_CODE_INT, 4, 0, "int", NULL);
java_short_type = init_type (TYPE_CODE_INT, 2, 0, "short", NULL);
java_long_type = init_type (TYPE_CODE_INT, 8, 0, "long", NULL);
java_byte_type = init_type (TYPE_CODE_INT, 1, 0, "byte", NULL);
java_boolean_type = init_type (TYPE_CODE_BOOL, 1, 0, "boolean", NULL);
java_char_type = init_type (TYPE_CODE_CHAR, 2, TYPE_FLAG_UNSIGNED, "char", NULL);
java_float_type = init_type (TYPE_CODE_FLT, 4, 0, "float", NULL);
java_double_type = init_type (TYPE_CODE_FLT, 8, 0, "double", NULL);
java_void_type = init_type (TYPE_CODE_VOID, 1, 0, "void", NULL);
add_language (&java_language_defn);
}
extern void java_rerun_cleanup (void);
void
java_rerun_cleanup (void)
{
if (class_symtab != NULL)
{
free_symtab (class_symtab);
class_symtab = NULL;
}
if (dynamics_objfile != NULL)
{
free_objfile (dynamics_objfile);
dynamics_objfile = NULL;
}
java_object_type = NULL;
}