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Sweden-Number/tools/widl/typegen.c

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/*
* Format String Generator for IDL Compiler
*
* Copyright 2005-2006 Eric Kohl
* Copyright 2005-2006 Robert Shearman
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <string.h>
#include <assert.h>
#include <ctype.h>
#include <limits.h>
#include "widl.h"
#include "utils.h"
#include "parser.h"
#include "header.h"
#include "typetree.h"
#include "typegen.h"
#include "expr.h"
/* round size up to multiple of alignment */
#define ROUND_SIZE(size, alignment) (((size) + ((alignment) - 1)) & ~((alignment) - 1))
/* value to add on to round size up to a multiple of alignment */
#define ROUNDING(size, alignment) (((alignment) - 1) - (((size) + ((alignment) - 1)) & ((alignment) - 1)))
static const var_t *current_func;
static const type_t *current_structure;
static const type_t *current_iface;
static struct list expr_eval_routines = LIST_INIT(expr_eval_routines);
struct expr_eval_routine
{
struct list entry;
const type_t *structure;
unsigned int baseoff;
const expr_t *expr;
};
static unsigned int field_memsize(const type_t *type, unsigned int *offset);
static unsigned int fields_memsize(const var_list_t *fields, unsigned int *align);
static unsigned int write_struct_tfs(FILE *file, type_t *type, const char *name, unsigned int *tfsoff);
static int write_embedded_types(FILE *file, const attr_list_t *attrs, type_t *type,
const char *name, int write_ptr, unsigned int *tfsoff);
static const var_t *find_array_or_string_in_struct(const type_t *type);
static unsigned int write_string_tfs(FILE *file, const attr_list_t *attrs,
type_t *type, int toplevel_param,
const char *name, unsigned int *typestring_offset);
const char *string_of_type(unsigned char type)
{
switch (type)
{
case RPC_FC_BYTE: return "FC_BYTE";
case RPC_FC_CHAR: return "FC_CHAR";
case RPC_FC_SMALL: return "FC_SMALL";
case RPC_FC_USMALL: return "FC_USMALL";
case RPC_FC_WCHAR: return "FC_WCHAR";
case RPC_FC_SHORT: return "FC_SHORT";
case RPC_FC_USHORT: return "FC_USHORT";
case RPC_FC_LONG: return "FC_LONG";
case RPC_FC_ULONG: return "FC_ULONG";
case RPC_FC_FLOAT: return "FC_FLOAT";
case RPC_FC_HYPER: return "FC_HYPER";
case RPC_FC_DOUBLE: return "FC_DOUBLE";
case RPC_FC_ENUM16: return "FC_ENUM16";
case RPC_FC_ENUM32: return "FC_ENUM32";
case RPC_FC_IGNORE: return "FC_IGNORE";
case RPC_FC_ERROR_STATUS_T: return "FC_ERROR_STATUS_T";
case RPC_FC_RP: return "FC_RP";
case RPC_FC_UP: return "FC_UP";
case RPC_FC_OP: return "FC_OP";
case RPC_FC_FP: return "FC_FP";
case RPC_FC_ENCAPSULATED_UNION: return "FC_ENCAPSULATED_UNION";
case RPC_FC_NON_ENCAPSULATED_UNION: return "FC_NON_ENCAPSULATED_UNION";
case RPC_FC_STRUCT: return "FC_STRUCT";
case RPC_FC_PSTRUCT: return "FC_PSTRUCT";
case RPC_FC_CSTRUCT: return "FC_CSTRUCT";
case RPC_FC_CPSTRUCT: return "FC_CPSTRUCT";
case RPC_FC_CVSTRUCT: return "FC_CVSTRUCT";
case RPC_FC_BOGUS_STRUCT: return "FC_BOGUS_STRUCT";
case RPC_FC_SMFARRAY: return "FC_SMFARRAY";
case RPC_FC_LGFARRAY: return "FC_LGFARRAY";
case RPC_FC_SMVARRAY: return "FC_SMVARRAY";
case RPC_FC_LGVARRAY: return "FC_LGVARRAY";
case RPC_FC_CARRAY: return "FC_CARRAY";
case RPC_FC_CVARRAY: return "FC_CVARRAY";
case RPC_FC_BOGUS_ARRAY: return "FC_BOGUS_ARRAY";
case RPC_FC_ALIGNM4: return "FC_ALIGNM4";
case RPC_FC_ALIGNM8: return "FC_ALIGNM8";
case RPC_FC_POINTER: return "FC_POINTER";
case RPC_FC_C_CSTRING: return "FC_C_CSTRING";
case RPC_FC_C_WSTRING: return "FC_C_WSTRING";
case RPC_FC_CSTRING: return "FC_CSTRING";
case RPC_FC_WSTRING: return "FC_WSTRING";
default:
error("string_of_type: unknown type 0x%02x\n", type);
return NULL;
}
}
unsigned char get_basic_fc(const type_t *type)
{
int sign = type_basic_get_sign(type);
switch (type_basic_get_type(type))
{
case TYPE_BASIC_INT8: return (sign <= 0 ? RPC_FC_SMALL : RPC_FC_USMALL);
case TYPE_BASIC_INT16: return (sign <= 0 ? RPC_FC_SHORT : RPC_FC_USHORT);
case TYPE_BASIC_INT32: return (sign <= 0 ? RPC_FC_LONG : RPC_FC_ULONG);
case TYPE_BASIC_INT64: return RPC_FC_HYPER;
case TYPE_BASIC_INT: return (sign <= 0 ? RPC_FC_LONG : RPC_FC_ULONG);
case TYPE_BASIC_BYTE: return RPC_FC_BYTE;
case TYPE_BASIC_CHAR: return RPC_FC_CHAR;
case TYPE_BASIC_WCHAR: return RPC_FC_WCHAR;
case TYPE_BASIC_HYPER: return RPC_FC_HYPER;
case TYPE_BASIC_FLOAT: return RPC_FC_FLOAT;
case TYPE_BASIC_DOUBLE: return RPC_FC_DOUBLE;
case TYPE_BASIC_ERROR_STATUS_T: return RPC_FC_ERROR_STATUS_T;
case TYPE_BASIC_HANDLE: return RPC_FC_BIND_PRIMITIVE;
default: return 0;
}
}
unsigned char get_pointer_fc(const type_t *type, const attr_list_t *attrs, int toplevel_param)
{
const type_t *t;
int pointer_type;
assert(is_ptr(type) || is_array(type));
pointer_type = get_attrv(attrs, ATTR_POINTERTYPE);
if (pointer_type)
return pointer_type;
for (t = type; type_is_alias(t); t = type_alias_get_aliasee(t))
{
pointer_type = get_attrv(t->attrs, ATTR_POINTERTYPE);
if (pointer_type)
return pointer_type;
}
if (toplevel_param)
return RPC_FC_RP;
else if (is_ptr(type))
return type_pointer_get_default_fc(type);
else
return type_array_get_ptr_default_fc(type);
}
static unsigned char get_enum_fc(const type_t *type)
{
assert(type_get_type(type) == TYPE_ENUM);
if (is_aliaschain_attr(type, ATTR_V1ENUM))
return RPC_FC_ENUM32;
else
return RPC_FC_ENUM16;
}
enum typegen_type typegen_detect_type(const type_t *type, const attr_list_t *attrs, unsigned int flags)
{
if (is_user_type(type))
return TGT_USER_TYPE;
if (is_aliaschain_attr(type, ATTR_CONTEXTHANDLE))
return TGT_CTXT_HANDLE;
if (!(flags & TDT_IGNORE_STRINGS) && is_string_type(attrs, type))
return TGT_STRING;
switch (type_get_type(type))
{
case TYPE_BASIC:
return TGT_BASIC;
case TYPE_ENUM:
return TGT_ENUM;
case TYPE_POINTER:
if (type_get_type(type_pointer_get_ref(type)) == TYPE_INTERFACE ||
(type_get_type(type_pointer_get_ref(type)) == TYPE_VOID && is_attr(attrs, ATTR_IIDIS)))
return TGT_IFACE_POINTER;
else if (is_aliaschain_attr(type_pointer_get_ref(type), ATTR_CONTEXTHANDLE))
return TGT_CTXT_HANDLE_POINTER;
else
return TGT_POINTER;
case TYPE_STRUCT:
return TGT_STRUCT;
case TYPE_ENCAPSULATED_UNION:
case TYPE_UNION:
return TGT_UNION;
case TYPE_ARRAY:
return TGT_ARRAY;
case TYPE_FUNCTION:
case TYPE_COCLASS:
case TYPE_INTERFACE:
case TYPE_MODULE:
case TYPE_VOID:
case TYPE_ALIAS:
break;
}
return TGT_INVALID;
}
unsigned char get_struct_fc(const type_t *type)
{
int has_pointer = 0;
int has_conformance = 0;
int has_variance = 0;
var_t *field;
var_list_t *fields;
fields = type_struct_get_fields(type);
if (get_padding(fields))
return RPC_FC_BOGUS_STRUCT;
if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
{
type_t *t = field->type;
enum typegen_type typegen_type;
typegen_type = typegen_detect_type(t, field->attrs, TDT_IGNORE_STRINGS);
if (typegen_type == TGT_ARRAY && !type_array_is_decl_as_ptr(t))
{
if (is_string_type(field->attrs, field->type))
{
if (is_conformant_array(t))
has_conformance = 1;
has_variance = 1;
continue;
}
if (is_array(type_array_get_element(field->type)))
return RPC_FC_BOGUS_STRUCT;
if (type_array_has_conformance(field->type))
{
has_conformance = 1;
if (list_next(fields, &field->entry))
error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
field->name);
}
if (type_array_has_variance(t))
has_variance = 1;
t = type_array_get_element(t);
typegen_type = typegen_detect_type(t, field->attrs, TDT_IGNORE_STRINGS);
}
switch (typegen_type)
{
case TGT_USER_TYPE:
case TGT_IFACE_POINTER:
return RPC_FC_BOGUS_STRUCT;
case TGT_BASIC:
break;
case TGT_ENUM:
if (get_enum_fc(t) == RPC_FC_ENUM16)
return RPC_FC_BOGUS_STRUCT;
break;
case TGT_POINTER:
case TGT_ARRAY:
if (get_pointer_fc(t, field->attrs, FALSE) == RPC_FC_RP || pointer_size != 4)
return RPC_FC_BOGUS_STRUCT;
has_pointer = 1;
break;
case TGT_UNION:
return RPC_FC_BOGUS_STRUCT;
case TGT_STRUCT:
{
unsigned char fc = get_struct_fc(t);
switch (fc)
{
case RPC_FC_STRUCT:
break;
case RPC_FC_CVSTRUCT:
has_conformance = 1;
has_variance = 1;
has_pointer = 1;
break;
case RPC_FC_CPSTRUCT:
has_conformance = 1;
if (list_next( fields, &field->entry ))
error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
field->name);
has_pointer = 1;
break;
case RPC_FC_CSTRUCT:
has_conformance = 1;
if (list_next( fields, &field->entry ))
error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
field->name);
break;
case RPC_FC_PSTRUCT:
has_pointer = 1;
break;
default:
error_loc("Unknown struct member %s with type (0x%02x)\n", field->name, fc);
/* fallthru - treat it as complex */
/* as soon as we see one of these these members, it's bogus... */
case RPC_FC_BOGUS_STRUCT:
return RPC_FC_BOGUS_STRUCT;
}
break;
}
case TGT_STRING:
/* shouldn't get here because of TDT_IGNORE_STRINGS above. fall through */
case TGT_INVALID:
case TGT_CTXT_HANDLE:
case TGT_CTXT_HANDLE_POINTER:
/* checking after parsing should mean that we don't get here. if we do,
* it's a checker bug */
assert(0);
}
}
if( has_variance )
{
if ( has_conformance )
return RPC_FC_CVSTRUCT;
else
return RPC_FC_BOGUS_STRUCT;
}
if( has_conformance && has_pointer )
return RPC_FC_CPSTRUCT;
if( has_conformance )
return RPC_FC_CSTRUCT;
if( has_pointer )
return RPC_FC_PSTRUCT;
return RPC_FC_STRUCT;
}
unsigned char get_array_fc(const type_t *type)
{
unsigned char fc;
const expr_t *size_is;
const type_t *elem_type;
elem_type = type_array_get_element(type);
size_is = type_array_get_conformance(type);
if (!size_is)
{
unsigned int align = 0;
unsigned int size = type_memsize(elem_type, &align);
if (size * type_array_get_dim(type) > 0xffffuL)
fc = RPC_FC_LGFARRAY;
else
fc = RPC_FC_SMFARRAY;
}
else
fc = RPC_FC_CARRAY;
if (type_array_has_variance(type))
{
if (fc == RPC_FC_SMFARRAY)
fc = RPC_FC_SMVARRAY;
else if (fc == RPC_FC_LGFARRAY)
fc = RPC_FC_LGVARRAY;
else if (fc == RPC_FC_CARRAY)
fc = RPC_FC_CVARRAY;
}
switch (typegen_detect_type(elem_type, NULL, TDT_IGNORE_STRINGS))
{
case TGT_USER_TYPE:
fc = RPC_FC_BOGUS_ARRAY;
break;
case TGT_STRUCT:
switch (get_struct_fc(elem_type))
{
case RPC_FC_BOGUS_STRUCT:
fc = RPC_FC_BOGUS_ARRAY;
break;
}
break;
case TGT_ENUM:
/* is 16-bit enum - if so, wire size differs from mem size and so
* the array cannot be block copied, which means the array is complex */
if (get_enum_fc(elem_type) == RPC_FC_ENUM16)
fc = RPC_FC_BOGUS_ARRAY;
break;
case TGT_UNION:
case TGT_IFACE_POINTER:
fc = RPC_FC_BOGUS_ARRAY;
break;
case TGT_POINTER:
/* ref pointers cannot just be block copied. unique pointers to
* interfaces need special treatment. either case means the array is
* complex */
if (get_pointer_fc(elem_type, NULL, FALSE) == RPC_FC_RP)
fc = RPC_FC_BOGUS_ARRAY;
break;
case TGT_BASIC:
case TGT_CTXT_HANDLE:
case TGT_CTXT_HANDLE_POINTER:
case TGT_STRING:
case TGT_INVALID:
case TGT_ARRAY:
/* nothing to do for everything else */
break;
}
return fc;
}
int is_struct(unsigned char type)
{
switch (type)
{
case RPC_FC_STRUCT:
case RPC_FC_PSTRUCT:
case RPC_FC_CSTRUCT:
case RPC_FC_CPSTRUCT:
case RPC_FC_CVSTRUCT:
case RPC_FC_BOGUS_STRUCT:
return 1;
default:
return 0;
}
}
static int is_non_complex_struct(const type_t *type)
{
return (type_get_type(type) == TYPE_STRUCT &&
get_struct_fc(type) != RPC_FC_BOGUS_STRUCT);
}
static int type_has_pointers(const type_t *type)
{
switch (typegen_detect_type(type, NULL, TDT_IGNORE_STRINGS))
{
case TGT_USER_TYPE:
return FALSE;
case TGT_POINTER:
return TRUE;
case TGT_ARRAY:
/* FIXME: array can be pointer */
return type_has_pointers(type_array_get_element(type));
case TGT_STRUCT:
{
var_list_t *fields = type_struct_get_fields(type);
const var_t *field;
if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
{
if (type_has_pointers(field->type))
return TRUE;
}
break;
}
case TGT_UNION:
{
var_list_t *fields;
const var_t *field;
fields = type_union_get_cases(type);
if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
{
if (field->type && type_has_pointers(field->type))
return TRUE;
}
break;
}
case TGT_CTXT_HANDLE:
case TGT_CTXT_HANDLE_POINTER:
case TGT_STRING:
case TGT_IFACE_POINTER:
case TGT_BASIC:
case TGT_ENUM:
case TGT_INVALID:
break;
}
return FALSE;
}
static int type_has_full_pointer(const type_t *type, const attr_list_t *attrs,
int toplevel_param)
{
switch (typegen_detect_type(type, NULL, TDT_IGNORE_STRINGS))
{
case TGT_USER_TYPE:
return FALSE;
case TGT_POINTER:
if (get_pointer_fc(type, attrs, toplevel_param) == RPC_FC_FP)
return TRUE;
else
return FALSE;
case TGT_ARRAY:
if (get_pointer_fc(type, attrs, toplevel_param) == RPC_FC_FP)
return TRUE;
else
return type_has_full_pointer(type_array_get_element(type), NULL, FALSE);
case TGT_STRUCT:
{
var_list_t *fields = type_struct_get_fields(type);
const var_t *field;
if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
{
if (type_has_full_pointer(field->type, field->attrs, FALSE))
return TRUE;
}
break;
}
case TGT_UNION:
{
var_list_t *fields;
const var_t *field;
fields = type_union_get_cases(type);
if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
{
if (field->type && type_has_full_pointer(field->type, field->attrs, FALSE))
return TRUE;
}
break;
}
case TGT_CTXT_HANDLE:
case TGT_CTXT_HANDLE_POINTER:
case TGT_STRING:
case TGT_IFACE_POINTER:
case TGT_BASIC:
case TGT_ENUM:
case TGT_INVALID:
break;
}
return FALSE;
}
static unsigned short user_type_offset(const char *name)
{
user_type_t *ut;
unsigned short off = 0;
LIST_FOR_EACH_ENTRY(ut, &user_type_list, user_type_t, entry)
{
if (strcmp(name, ut->name) == 0)
return off;
++off;
}
error("user_type_offset: couldn't find type (%s)\n", name);
return 0;
}
static void update_tfsoff(type_t *type, unsigned int offset, FILE *file)
{
type->typestring_offset = offset;
if (file) type->tfswrite = FALSE;
}
static void guard_rec(type_t *type)
{
/* types that contain references to themselves (like a linked list),
need to be shielded from infinite recursion when writing embedded
types */
if (type->typestring_offset)
type->tfswrite = FALSE;
else
type->typestring_offset = 1;
}
static type_t *get_user_type(const type_t *t, const char **pname)
{
for (;;)
{
type_t *ut = get_attrp(t->attrs, ATTR_WIREMARSHAL);
if (ut)
{
if (pname)
*pname = t->name;
return ut;
}
if (type_is_alias(t))
t = type_alias_get_aliasee(t);
else
return 0;
}
}
int is_user_type(const type_t *t)
{
return get_user_type(t, NULL) != NULL;
}
static int is_embedded_complex(const type_t *type)
{
switch (typegen_detect_type(type, NULL, TDT_ALL_TYPES))
{
case TGT_USER_TYPE:
case TGT_STRUCT:
case TGT_UNION:
case TGT_ARRAY:
case TGT_IFACE_POINTER:
return TRUE;
default:
return FALSE;
}
}
static const char *get_context_handle_type_name(const type_t *type)
{
const type_t *t;
for (t = type;
is_ptr(t) || type_is_alias(t);
t = type_is_alias(t) ? type_alias_get_aliasee(t) : type_pointer_get_ref(t))
if (is_attr(t->attrs, ATTR_CONTEXTHANDLE))
return t->name;
assert(0);
return NULL;
}
#define WRITE_FCTYPE(file, fctype, typestring_offset) \
do { \
if (file) \
fprintf(file, "/* %2u */\n", typestring_offset); \
print_file((file), 2, "0x%02x, /* " #fctype " */\n", RPC_##fctype); \
} \
while (0)
static void print_file(FILE *file, int indent, const char *format, ...) __attribute__((format (printf, 3, 4)));
static void print_file(FILE *file, int indent, const char *format, ...)
{
va_list va;
va_start(va, format);
print(file, indent, format, va);
va_end(va);
}
void print(FILE *file, int indent, const char *format, va_list va)
{
if (file)
{
if (format[0] != '\n')
while (0 < indent--)
fprintf(file, " ");
vfprintf(file, format, va);
}
}
static void write_var_init(FILE *file, int indent, const type_t *t, const char *n, const char *local_var_prefix)
{
if (decl_indirect(t))
{
print_file(file, indent, "MIDL_memset(&%s%s, 0, sizeof(%s%s));\n",
local_var_prefix, n, local_var_prefix, n);
print_file(file, indent, "%s_p_%s = &%s%s;\n", local_var_prefix, n, local_var_prefix, n);
}
else if (is_ptr(t) || is_array(t))
print_file(file, indent, "%s%s = 0;\n", local_var_prefix, n);
}
void write_parameters_init(FILE *file, int indent, const var_t *func, const char *local_var_prefix)
{
const var_t *var;
if (!is_void(type_function_get_rettype(func->type)))
write_var_init(file, indent, type_function_get_rettype(func->type), "_RetVal", local_var_prefix);
if (!type_get_function_args(func->type))
return;
LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
write_var_init(file, indent, var->type, var->name, local_var_prefix);
fprintf(file, "\n");
}
static void write_formatdesc(FILE *f, int indent, const char *str)
{
print_file(f, indent, "typedef struct _MIDL_%s_FORMAT_STRING\n", str);
print_file(f, indent, "{\n");
print_file(f, indent + 1, "short Pad;\n");
print_file(f, indent + 1, "unsigned char Format[%s_FORMAT_STRING_SIZE];\n", str);
print_file(f, indent, "} MIDL_%s_FORMAT_STRING;\n", str);
print_file(f, indent, "\n");
}
void write_formatstringsdecl(FILE *f, int indent, const statement_list_t *stmts, type_pred_t pred)
{
clear_all_offsets();
print_file(f, indent, "#define TYPE_FORMAT_STRING_SIZE %d\n",
get_size_typeformatstring(stmts, pred));
print_file(f, indent, "#define PROC_FORMAT_STRING_SIZE %d\n",
get_size_procformatstring(stmts, pred));
fprintf(f, "\n");
write_formatdesc(f, indent, "TYPE");
write_formatdesc(f, indent, "PROC");
fprintf(f, "\n");
print_file(f, indent, "static const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString;\n");
print_file(f, indent, "static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString;\n");
print_file(f, indent, "\n");
}
int decl_indirect(const type_t *t)
{
if (is_user_type(t))
return TRUE;
return (type_get_type(t) != TYPE_BASIC &&
type_get_type(t) != TYPE_ENUM &&
type_get_type(t) != TYPE_POINTER &&
type_get_type(t) != TYPE_ARRAY);
}
static unsigned int write_procformatstring_type(FILE *file, int indent,
const char *name,
const type_t *type,
const attr_list_t *attrs,
int is_return)
{
unsigned int size;
int is_in = is_attr(attrs, ATTR_IN);
int is_out = is_attr(attrs, ATTR_OUT);
if (!is_in && !is_out) is_in = TRUE;
if (type_get_type(type) == TYPE_BASIC ||
type_get_type(type) == TYPE_ENUM)
{
unsigned char fc;
if (is_return)
print_file(file, indent, "0x53, /* FC_RETURN_PARAM_BASETYPE */\n");
else
print_file(file, indent, "0x4e, /* FC_IN_PARAM_BASETYPE */\n");
if (type_get_type(type) == TYPE_ENUM)
{
fc = get_enum_fc(type);
}
else
{
fc = get_basic_fc(type);
if (fc == RPC_FC_BIND_PRIMITIVE)
fc = RPC_FC_IGNORE;
}
print_file(file, indent, "0x%02x, /* %s */\n",
fc, string_of_type(fc));
size = 2; /* includes param type prefix */
}
else
{
if (is_return)
print_file(file, indent, "0x52, /* FC_RETURN_PARAM */\n");
else if (is_in && is_out)
print_file(file, indent, "0x50, /* FC_IN_OUT_PARAM */\n");
else if (is_out)
print_file(file, indent, "0x51, /* FC_OUT_PARAM */\n");
else
print_file(file, indent, "0x4d, /* FC_IN_PARAM */\n");
print_file(file, indent, "0x01,\n");
print_file(file, indent, "NdrFcShort(0x%hx),\n", type->typestring_offset);
size = 4; /* includes param type prefix */
}
return size;
}
static void write_procformatstring_stmts(FILE *file, int indent, const statement_list_t *stmts, type_pred_t pred)
{
const statement_t *stmt;
if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
{
if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
{
const statement_t *stmt_func;
if (!pred(stmt->u.type))
continue;
STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type))
{
const var_t *func = stmt_func->u.var;
if (is_local(func->attrs)) continue;
/* emit argument data */
if (type_get_function_args(func->type))
{
const var_t *var;
LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
write_procformatstring_type(file, indent, var->name, var->type, var->attrs, FALSE);
}
/* emit return value data */
if (is_void(type_function_get_rettype(func->type)))
{
print_file(file, indent, "0x5b, /* FC_END */\n");
print_file(file, indent, "0x5c, /* FC_PAD */\n");
}
else
write_procformatstring_type(file, indent, "return value", type_function_get_rettype(func->type), NULL, TRUE);
}
}
else if (stmt->type == STMT_LIBRARY)
write_procformatstring_stmts(file, indent, stmt->u.lib->stmts, pred);
}
}
void write_procformatstring(FILE *file, const statement_list_t *stmts, type_pred_t pred)
{
int indent = 0;
print_file(file, indent, "static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString =\n");
print_file(file, indent, "{\n");
indent++;
print_file(file, indent, "0,\n");
print_file(file, indent, "{\n");
indent++;
write_procformatstring_stmts(file, indent, stmts, pred);
print_file(file, indent, "0x0\n");
indent--;
print_file(file, indent, "}\n");
indent--;
print_file(file, indent, "};\n");
print_file(file, indent, "\n");
}
static int write_base_type(FILE *file, const type_t *type, int convert_to_signed_type, unsigned int *typestring_offset)
{
unsigned char fc;
if (type_get_type(type) == TYPE_BASIC)
fc = get_basic_fc(type);
else if (type_get_type(type) == TYPE_ENUM)
fc = get_enum_fc(type);
else
return 0;
if (convert_to_signed_type)
{
switch(fc)
{
case RPC_FC_USMALL:
fc = RPC_FC_SMALL;
break;
case RPC_FC_USHORT:
fc = RPC_FC_SHORT;
break;
case RPC_FC_ULONG:
fc = RPC_FC_LONG;
break;
}
}
print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc));
*typestring_offset += 1;
return 1;
}
/* write conformance / variance descriptor */
static unsigned int write_conf_or_var_desc(FILE *file, const type_t *structure,
unsigned int baseoff, const type_t *type,
const expr_t *expr)
{
unsigned char operator_type = 0;
unsigned char conftype = RPC_FC_NORMAL_CONFORMANCE;
const char *conftype_string = "";
const char *operator_string = "no operators";
const expr_t *subexpr;
if (!expr)
{
print_file(file, 2, "NdrFcLong(0xffffffff),\t/* -1 */\n");
return 4;
}
if (!structure)
{
/* Top-level conformance calculations are done inline. */
print_file (file, 2, "0x%x,\t/* Corr desc: parameter */\n",
RPC_FC_TOP_LEVEL_CONFORMANCE);
print_file (file, 2, "0x0,\n");
print_file (file, 2, "NdrFcShort(0x0),\n");
return 4;
}
if (expr->is_const)
{
if (expr->cval > UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX)
error("write_conf_or_var_desc: constant value %ld is greater than "
"the maximum constant size of %d\n", expr->cval,
UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX);
print_file(file, 2, "0x%x, /* Corr desc: constant, val = %ld */\n",
RPC_FC_CONSTANT_CONFORMANCE, expr->cval);
print_file(file, 2, "0x%lx,\n", expr->cval >> 16);
print_file(file, 2, "NdrFcShort(0x%hx),\n", (unsigned short)expr->cval);
return 4;
}
if (is_ptr(type) || (is_array(type) && type_array_is_decl_as_ptr(type)))
{
conftype = RPC_FC_POINTER_CONFORMANCE;
conftype_string = "field pointer, ";
}
subexpr = expr;
switch (subexpr->type)
{
case EXPR_PPTR:
subexpr = subexpr->ref;
operator_type = RPC_FC_DEREFERENCE;
operator_string = "FC_DEREFERENCE";
break;
case EXPR_DIV:
if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2))
{
subexpr = subexpr->ref;
operator_type = RPC_FC_DIV_2;
operator_string = "FC_DIV_2";
}
break;
case EXPR_MUL:
if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2))
{
subexpr = subexpr->ref;
operator_type = RPC_FC_MULT_2;
operator_string = "FC_MULT_2";
}
break;
case EXPR_SUB:
if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1))
{
subexpr = subexpr->ref;
operator_type = RPC_FC_SUB_1;
operator_string = "FC_SUB_1";
}
break;
case EXPR_ADD:
if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1))
{
subexpr = subexpr->ref;
operator_type = RPC_FC_ADD_1;
operator_string = "FC_ADD_1";
}
break;
default:
break;
}
if (subexpr->type == EXPR_IDENTIFIER)
{
const type_t *correlation_variable = NULL;
unsigned char param_type = 0;
unsigned int offset = 0;
const var_t *var;
var_list_t *fields = type_struct_get_fields(structure);
if (fields) LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry )
{
unsigned int size = field_memsize( var->type, &offset );
if (var->name && !strcmp(var->name, subexpr->u.sval))
{
correlation_variable = var->type;
break;
}
offset += size;
}
if (!correlation_variable)
error("write_conf_or_var_desc: couldn't find variable %s in structure\n",
subexpr->u.sval);
correlation_variable = expr_resolve_type(NULL, structure, expr);
offset -= baseoff;
if (type_get_type(correlation_variable) == TYPE_BASIC)
{
switch (get_basic_fc(correlation_variable))
{
case RPC_FC_CHAR:
case RPC_FC_SMALL:
param_type = RPC_FC_SMALL;
break;
case RPC_FC_BYTE:
case RPC_FC_USMALL:
param_type = RPC_FC_USMALL;
break;
case RPC_FC_WCHAR:
case RPC_FC_SHORT:
param_type = RPC_FC_SHORT;
break;
case RPC_FC_USHORT:
param_type = RPC_FC_USHORT;
break;
case RPC_FC_LONG:
param_type = RPC_FC_LONG;
break;
case RPC_FC_ULONG:
param_type = RPC_FC_ULONG;
break;
default:
error("write_conf_or_var_desc: conformance variable type not supported 0x%x\n",
get_basic_fc(correlation_variable));
}
}
else if (type_get_type(correlation_variable) == TYPE_ENUM)
{
if (get_enum_fc(correlation_variable) == RPC_FC_ENUM32)
param_type = RPC_FC_LONG;
else
param_type = RPC_FC_SHORT;
}
else
{
error("write_conf_or_var_desc: non-arithmetic type used as correlation variable %s\n",
subexpr->u.sval);
return 0;
}
print_file(file, 2, "0x%x, /* Corr desc: %s%s */\n",
conftype | param_type, conftype_string, string_of_type(param_type));
print_file(file, 2, "0x%x, /* %s */\n", operator_type, operator_string);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* offset = %d */\n",
offset, offset);
}
else
{
unsigned int callback_offset = 0;
struct expr_eval_routine *eval;
int found = 0;
LIST_FOR_EACH_ENTRY(eval, &expr_eval_routines, struct expr_eval_routine, entry)
{
if (!strcmp (eval->structure->name, structure->name)
&& !compare_expr (eval->expr, expr))
{
found = 1;
break;
}
callback_offset++;
}
if (!found)
{
eval = xmalloc (sizeof(*eval));
eval->structure = structure;
eval->baseoff = baseoff;
eval->expr = expr;
list_add_tail (&expr_eval_routines, &eval->entry);
}
if (callback_offset > USHRT_MAX)
error("Maximum number of callback routines reached\n");
print_file(file, 2, "0x%x, /* Corr desc: %s */\n", conftype, conftype_string);
print_file(file, 2, "0x%x, /* %s */\n", RPC_FC_CALLBACK, "FC_CALLBACK");
print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", callback_offset, callback_offset);
}
return 4;
}
/* return size and start offset of a data field based on current offset */
static unsigned int field_memsize(const type_t *type, unsigned int *offset)
{
unsigned int align = 0;
unsigned int size = type_memsize( type, &align );
*offset = ROUND_SIZE( *offset, align );
return size;
}
static unsigned int fields_memsize(const var_list_t *fields, unsigned int *align)
{
unsigned int size = 0;
const var_t *v;
if (!fields) return 0;
LIST_FOR_EACH_ENTRY( v, fields, const var_t, entry )
{
unsigned int falign = 0;
unsigned int fsize = type_memsize(v->type, &falign);
if (*align < falign) *align = falign;
size = ROUND_SIZE(size, falign);
size += fsize;
}
size = ROUND_SIZE(size, *align);
return size;
}
static unsigned int union_memsize(const var_list_t *fields, unsigned int *pmaxa)
{
unsigned int size, maxs = 0;
unsigned int align = *pmaxa;
const var_t *v;
if (fields) LIST_FOR_EACH_ENTRY( v, fields, const var_t, entry )
{
/* we could have an empty default field with NULL type */
if (v->type)
{
size = type_memsize(v->type, &align);
if (maxs < size) maxs = size;
if (*pmaxa < align) *pmaxa = align;
}
}
return maxs;
}
int get_padding(const var_list_t *fields)
{
unsigned short offset = 0;
unsigned int salign = 1;
const var_t *f;
if (!fields)
return 0;
LIST_FOR_EACH_ENTRY(f, fields, const var_t, entry)
{
type_t *ft = f->type;
unsigned int align = 0;
unsigned int size = type_memsize(ft, &align);
if (align > salign) salign = align;
offset = ROUND_SIZE(offset, align);
offset += size;
}
return ROUNDING(offset, salign);
}
unsigned int type_memsize(const type_t *t, unsigned int *align)
{
unsigned int size = 0;
switch (type_get_type(t))
{
case TYPE_BASIC:
switch (get_basic_fc(t))
{
case RPC_FC_BYTE:
case RPC_FC_CHAR:
case RPC_FC_USMALL:
case RPC_FC_SMALL:
size = 1;
if (size > *align) *align = size;
break;
case RPC_FC_WCHAR:
case RPC_FC_USHORT:
case RPC_FC_SHORT:
size = 2;
if (size > *align) *align = size;
break;
case RPC_FC_ULONG:
case RPC_FC_LONG:
case RPC_FC_ERROR_STATUS_T:
case RPC_FC_FLOAT:
size = 4;
if (size > *align) *align = size;
break;
case RPC_FC_HYPER:
case RPC_FC_DOUBLE:
size = 8;
if (size > *align) *align = size;
break;
default:
error("type_memsize: Unknown type 0x%x\n", get_basic_fc(t));
size = 0;
}
break;
case TYPE_ENUM:
switch (get_enum_fc(t))
{
case RPC_FC_ENUM16:
case RPC_FC_ENUM32:
size = 4;
if (size > *align) *align = size;
break;
default:
error("type_memsize: Unknown enum type\n");
size = 0;
}
break;
case TYPE_STRUCT:
size = fields_memsize(type_struct_get_fields(t), align);
break;
case TYPE_ENCAPSULATED_UNION:
size = fields_memsize(type_encapsulated_union_get_fields(t), align);
break;
case TYPE_UNION:
size = union_memsize(type_union_get_cases(t), align);
break;
case TYPE_POINTER:
assert( pointer_size );
size = pointer_size;
if (size > *align) *align = size;
break;
case TYPE_ARRAY:
if (!type_array_is_decl_as_ptr(t))
{
if (is_conformant_array(t))
{
type_memsize(type_array_get_element(t), align);
size = 0;
}
else
size = type_array_get_dim(t) *
type_memsize(type_array_get_element(t), align);
}
else /* declared as a pointer */
{
assert( pointer_size );
size = pointer_size;
if (size > *align) *align = size;
}
break;
case TYPE_INTERFACE:
case TYPE_ALIAS:
case TYPE_VOID:
case TYPE_COCLASS:
case TYPE_MODULE:
case TYPE_FUNCTION:
/* these types should not be encountered here due to language
* restrictions (interface, void, coclass, module), logical
* restrictions (alias - due to type_get_type call above) or
* checking restrictions (function). */
assert(0);
}
return size;
}
int is_full_pointer_function(const var_t *func)
{
const var_t *var;
if (type_has_full_pointer(type_function_get_rettype(func->type), func->attrs, TRUE))
return TRUE;
if (!type_get_function_args(func->type))
return FALSE;
LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
if (type_has_full_pointer( var->type, var->attrs, TRUE ))
return TRUE;
return FALSE;
}
void write_full_pointer_init(FILE *file, int indent, const var_t *func, int is_server)
{
print_file(file, indent, "__frame->_StubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,%s);\n",
is_server ? "XLAT_SERVER" : "XLAT_CLIENT");
fprintf(file, "\n");
}
void write_full_pointer_free(FILE *file, int indent, const var_t *func)
{
print_file(file, indent, "NdrFullPointerXlatFree(__frame->_StubMsg.FullPtrXlatTables);\n");
fprintf(file, "\n");
}
static unsigned int write_nonsimple_pointer(FILE *file, const attr_list_t *attrs,
const type_t *type,
int toplevel_param,
unsigned int offset,
unsigned int *typeformat_offset)
{
unsigned int start_offset = *typeformat_offset;
short reloff = offset - (*typeformat_offset + 2);
int in_attr, out_attr;
int pointer_type;
unsigned char flags = 0;
pointer_type = get_pointer_fc(type, attrs, toplevel_param);
in_attr = is_attr(attrs, ATTR_IN);
out_attr = is_attr(attrs, ATTR_OUT);
if (!in_attr && !out_attr) in_attr = 1;
if (out_attr && !in_attr && pointer_type == RPC_FC_RP)
flags |= RPC_FC_P_ONSTACK;
if (is_ptr(type) && !last_ptr(type))
flags |= RPC_FC_P_DEREF;
print_file(file, 2, "0x%x, 0x%x,\t\t/* %s",
pointer_type,
flags,
string_of_type(pointer_type));
if (file)
{
if (flags & RPC_FC_P_ONSTACK)
fprintf(file, " [allocated_on_stack]");
if (flags & RPC_FC_P_DEREF)
fprintf(file, " [pointer_deref]");
fprintf(file, " */\n");
}
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n", reloff, reloff, offset);
*typeformat_offset += 4;
return start_offset;
}
static unsigned int write_simple_pointer(FILE *file, const attr_list_t *attrs, const type_t *type, int toplevel_param)
{
unsigned char fc;
unsigned char pointer_fc;
const type_t *ref;
/* for historical reasons, write_simple_pointer also handled string types,
* but no longer does. catch bad uses of the function with this check */
if (is_string_type(attrs, type))
error("write_simple_pointer: can't handle type %s which is a string type\n", type->name);
pointer_fc = get_pointer_fc(type, attrs, toplevel_param);
ref = type_pointer_get_ref(type);
if (type_get_type(ref) == TYPE_ENUM)
fc = get_enum_fc(ref);
else
fc = get_basic_fc(ref);
print_file(file, 2, "0x%02x, 0x%x,\t/* %s [simple_pointer] */\n",
pointer_fc, RPC_FC_P_SIMPLEPOINTER, string_of_type(pointer_fc));
print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc));
print_file(file, 2, "0x5c,\t/* FC_PAD */\n");
return 4;
}
static void print_start_tfs_comment(FILE *file, type_t *t, unsigned int tfsoff)
{
print_file(file, 0, "/* %u (", tfsoff);
write_type_decl(file, t, NULL);
print_file(file, 0, ") */\n");
}
static unsigned int write_pointer_tfs(FILE *file, const attr_list_t *attrs,
type_t *type, int toplevel_param,
unsigned int *typestring_offset)
{
unsigned int offset = *typestring_offset;
type_t *ref = type_pointer_get_ref(type);
print_start_tfs_comment(file, type, offset);
update_tfsoff(type, offset, file);
if (ref->typestring_offset)
write_nonsimple_pointer(file, attrs, type,
toplevel_param,
type_pointer_get_ref(type)->typestring_offset,
typestring_offset);
else if (type_get_type(ref) == TYPE_BASIC ||
type_get_type(ref) == TYPE_ENUM)
*typestring_offset += write_simple_pointer(file, attrs, type,
toplevel_param);
return offset;
}
static int processed(const type_t *type)
{
return type->typestring_offset && !type->tfswrite;
}
static int user_type_has_variable_size(const type_t *t)
{
if (is_ptr(t))
return TRUE;
else if (type_get_type(t) == TYPE_STRUCT)
{
switch (get_struct_fc(t))
{
case RPC_FC_PSTRUCT:
case RPC_FC_CSTRUCT:
case RPC_FC_CPSTRUCT:
case RPC_FC_CVSTRUCT:
return TRUE;
}
}
/* Note: Since this only applies to user types, we can't have a conformant
array here, and strings should get filed under pointer in this case. */
return FALSE;
}
static void write_user_tfs(FILE *file, type_t *type, unsigned int *tfsoff)
{
unsigned int start, absoff, flags;
unsigned int align = 0, ualign = 0;
const char *name = NULL;
type_t *utype = get_user_type(type, &name);
unsigned int usize = user_type_has_variable_size(utype) ? 0 : type_memsize(utype, &ualign);
unsigned int size = type_memsize(type, &align);
unsigned short funoff = user_type_offset(name);
short reloff;
guard_rec(type);
if (type_get_type(utype) == TYPE_BASIC ||
type_get_type(utype) == TYPE_ENUM)
{
unsigned char fc;
if (type_get_type(utype) == TYPE_ENUM)
fc = get_enum_fc(utype);
else
fc = get_basic_fc(utype);
absoff = *tfsoff;
print_start_tfs_comment(file, utype, absoff);
print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
print_file(file, 2, "0x5c,\t/* FC_PAD */\n");
*tfsoff += 2;
}
else
{
if (!processed(utype))
write_embedded_types(file, NULL, utype, utype->name, TRUE, tfsoff);
absoff = utype->typestring_offset;
}
if (type_get_type(utype) == TYPE_POINTER && get_pointer_fc(utype, NULL, FALSE) == RPC_FC_RP)
flags = 0x40;
else if (type_get_type(utype) == TYPE_POINTER && get_pointer_fc(utype, NULL, FALSE) == RPC_FC_UP)
flags = 0x80;
else
flags = 0;
start = *tfsoff;
update_tfsoff(type, start, file);
print_start_tfs_comment(file, type, start);
print_file(file, 2, "0x%x,\t/* FC_USER_MARSHAL */\n", RPC_FC_USER_MARSHAL);
print_file(file, 2, "0x%x,\t/* Alignment= %d, Flags= %02x */\n",
flags | (align - 1), align - 1, flags);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Function offset= %hu */\n", funoff, funoff);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", size, size);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", usize, usize);
*tfsoff += 8;
reloff = absoff - *tfsoff;
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n", reloff, reloff, absoff);
*tfsoff += 2;
}
static void write_member_type(FILE *file, const type_t *cont,
int cont_is_complex, const attr_list_t *attrs,
const type_t *type, unsigned int *corroff,
unsigned int *tfsoff)
{
if (is_embedded_complex(type) && !is_conformant_array(type))
{
unsigned int absoff;
short reloff;
if (type_get_type(type) == TYPE_UNION && is_attr(attrs, ATTR_SWITCHIS))
{
absoff = *corroff;
*corroff += 8;
}
else
{
absoff = type->typestring_offset;
}
reloff = absoff - (*tfsoff + 2);
print_file(file, 2, "0x4c,\t/* FC_EMBEDDED_COMPLEX */\n");
/* FIXME: actually compute necessary padding */
print_file(file, 2, "0x0,\t/* FIXME: padding */\n");
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n",
reloff, reloff, absoff);
*tfsoff += 4;
}
else if (is_ptr(type) || is_conformant_array(type))
{
unsigned char fc = cont_is_complex ? RPC_FC_POINTER : RPC_FC_LONG;
print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
*tfsoff += 1;
}
else if (!write_base_type(file, type, TRUE, tfsoff))
error("Unsupported member type %d\n", type_get_type(type));
}
static void write_end(FILE *file, unsigned int *tfsoff)
{
if (*tfsoff % 2 == 0)
{
print_file(file, 2, "0x%x,\t\t/* FC_PAD */\n", RPC_FC_PAD);
*tfsoff += 1;
}
print_file(file, 2, "0x%x,\t\t/* FC_END */\n", RPC_FC_END);
*tfsoff += 1;
}
static void write_descriptors(FILE *file, type_t *type, unsigned int *tfsoff)
{
unsigned int offset = 0;
var_list_t *fs = type_struct_get_fields(type);
var_t *f;
if (fs) LIST_FOR_EACH_ENTRY(f, fs, var_t, entry)
{
type_t *ft = f->type;
unsigned int size = field_memsize( ft, &offset );
if (type_get_type(ft) == TYPE_UNION && is_attr(f->attrs, ATTR_SWITCHIS))
{
short reloff;
unsigned int absoff = ft->typestring_offset;
if (is_attr(ft->attrs, ATTR_SWITCHTYPE))
absoff += 8; /* we already have a corr descr, skip it */
reloff = absoff - (*tfsoff + 6);
print_file(file, 0, "/* %d */\n", *tfsoff);
print_file(file, 2, "0x%x,\t/* FC_NON_ENCAPSULATED_UNION */\n", RPC_FC_NON_ENCAPSULATED_UNION);
print_file(file, 2, "0x%x,\t/* FIXME: always FC_LONG */\n", RPC_FC_LONG);
write_conf_or_var_desc(file, current_structure, offset, ft,
get_attrp(f->attrs, ATTR_SWITCHIS));
print_file(file, 2, "NdrFcShort(%hd),\t/* Offset= %hd (%u) */\n",
reloff, reloff, absoff);
*tfsoff += 8;
}
offset += size;
}
}
static int write_no_repeat_pointer_descriptions(
FILE *file, const attr_list_t *attrs, type_t *type,
unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
unsigned int *typestring_offset)
{
int written = 0;
unsigned int align;
if (is_ptr(type) ||
(is_conformant_array(type) && type_array_is_decl_as_ptr(type)))
{
unsigned int memsize;
print_file(file, 2, "0x%02x, /* FC_NO_REPEAT */\n", RPC_FC_NO_REPEAT);
print_file(file, 2, "0x%02x, /* FC_PAD */\n", RPC_FC_PAD);
/* pointer instance */
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Memory offset = %d */\n", *offset_in_memory, *offset_in_memory);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Buffer offset = %d */\n", *offset_in_buffer, *offset_in_buffer);
*typestring_offset += 6;
if (is_ptr(type))
{
if (is_string_type(attrs, type))
write_string_tfs(file, attrs, type, FALSE, NULL, typestring_offset);
else
write_pointer_tfs(file, attrs, type, FALSE, typestring_offset);
}
else
{
unsigned int offset = type->typestring_offset;
/* skip over the pointer that is written for strings, since a
* pointer has to be written in-place here */
if (is_string_type(attrs, type))
offset += 4;
write_nonsimple_pointer(file, attrs, type, FALSE, offset, typestring_offset);
}
align = 0;
memsize = type_memsize(type, &align);
*offset_in_memory += memsize;
/* increment these separately as in the case of conformant (varying)
* structures these start at different values */
*offset_in_buffer += memsize;
return 1;
}
if (is_non_complex_struct(type))
{
const var_t *v;
LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
{
if (offset_in_memory && offset_in_buffer)
{
unsigned int padding;
align = 0;
type_memsize(v->type, &align);
padding = ROUNDING(*offset_in_memory, align);
*offset_in_memory += padding;
*offset_in_buffer += padding;
}
written += write_no_repeat_pointer_descriptions(
file, v->attrs, v->type,
offset_in_memory, offset_in_buffer, typestring_offset);
}
}
else
{
unsigned int memsize;
align = 0;
memsize = type_memsize(type, &align);
*offset_in_memory += memsize;
/* increment these separately as in the case of conformant (varying)
* structures these start at different values */
*offset_in_buffer += memsize;
}
return written;
}
static int write_pointer_description_offsets(
FILE *file, const attr_list_t *attrs, type_t *type,
unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
unsigned int *typestring_offset)
{
int written = 0;
unsigned int align;
if (is_ptr(type) && type_get_type(type_pointer_get_ref(type)) != TYPE_INTERFACE)
{
type_t *ref = type_pointer_get_ref(type);
if (offset_in_memory && offset_in_buffer)
{
unsigned int memsize;
/* pointer instance */
/* FIXME: sometimes from end of structure, sometimes from beginning */
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Memory offset = %d */\n", *offset_in_memory, *offset_in_memory);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Buffer offset = %d */\n", *offset_in_buffer, *offset_in_buffer);
align = 0;
memsize = type_memsize(type, &align);
*offset_in_memory += memsize;
/* increment these separately as in the case of conformant (varying)
* structures these start at different values */
*offset_in_buffer += memsize;
}
*typestring_offset += 4;
if (is_string_type(attrs, type))
write_string_tfs(file, attrs, type, FALSE, NULL, typestring_offset);
else if (processed(ref) || type_get_type(ref) == TYPE_BASIC || type_get_type(ref) == TYPE_ENUM)
write_pointer_tfs(file, attrs, type, FALSE, typestring_offset);
else
error("write_pointer_description_offsets: type format string unknown\n");
return 1;
}
if (is_array(type))
{
return write_pointer_description_offsets(
file, attrs, type_array_get_element(type), offset_in_memory,
offset_in_buffer, typestring_offset);
}
else if (is_non_complex_struct(type))
{
/* otherwise search for interesting fields to parse */
const var_t *v;
LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
{
if (offset_in_memory && offset_in_buffer)
{
unsigned int padding;
align = 0;
type_memsize(v->type, &align);
padding = ROUNDING(*offset_in_memory, align);
*offset_in_memory += padding;
*offset_in_buffer += padding;
}
written += write_pointer_description_offsets(
file, v->attrs, v->type, offset_in_memory, offset_in_buffer,
typestring_offset);
}
}
else
{
if (offset_in_memory && offset_in_buffer)
{
unsigned int memsize;
align = 0;
memsize = type_memsize(type, &align);
*offset_in_memory += memsize;
/* increment these separately as in the case of conformant (varying)
* structures these start at different values */
*offset_in_buffer += memsize;
}
}
return written;
}
/* Note: if file is NULL return value is number of pointers to write, else
* it is the number of type format characters written */
static int write_fixed_array_pointer_descriptions(
FILE *file, const attr_list_t *attrs, type_t *type,
unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
unsigned int *typestring_offset)
{
unsigned int align;
int pointer_count = 0;
if (type_get_type(type) == TYPE_ARRAY &&
!type_array_has_conformance(type) && !type_array_has_variance(type))
{
unsigned int temp = 0;
/* unfortunately, this needs to be done in two passes to avoid
* writing out redundant FC_FIXED_REPEAT descriptions */
pointer_count = write_pointer_description_offsets(
NULL, attrs, type_array_get_element(type), NULL, NULL, &temp);
if (pointer_count > 0)
{
unsigned int increment_size;
unsigned int offset_of_array_pointer_mem = 0;
unsigned int offset_of_array_pointer_buf = 0;
align = 0;
increment_size = type_memsize(type_array_get_element(type), &align);
print_file(file, 2, "0x%02x, /* FC_FIXED_REPEAT */\n", RPC_FC_FIXED_REPEAT);
print_file(file, 2, "0x%02x, /* FC_PAD */\n", RPC_FC_PAD);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Iterations = %d */\n", type_array_get_dim(type), type_array_get_dim(type));
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Increment = %d */\n", increment_size, increment_size);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset to array = %d */\n", *offset_in_memory, *offset_in_memory);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Number of pointers = %d */\n", pointer_count, pointer_count);
*typestring_offset += 10;
pointer_count = write_pointer_description_offsets(
file, attrs, type, &offset_of_array_pointer_mem,
&offset_of_array_pointer_buf, typestring_offset);
}
}
else if (type_get_type(type) == TYPE_STRUCT)
{
const var_t *v;
LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
{
if (offset_in_memory && offset_in_buffer)
{
unsigned int padding;
align = 0;
type_memsize(v->type, &align);
padding = ROUNDING(*offset_in_memory, align);
*offset_in_memory += padding;
*offset_in_buffer += padding;
}
pointer_count += write_fixed_array_pointer_descriptions(
file, v->attrs, v->type, offset_in_memory, offset_in_buffer,
typestring_offset);
}
}
else
{
if (offset_in_memory && offset_in_buffer)
{
unsigned int memsize;
align = 0;
memsize = type_memsize(type, &align);
*offset_in_memory += memsize;
/* increment these separately as in the case of conformant (varying)
* structures these start at different values */
*offset_in_buffer += memsize;
}
}
return pointer_count;
}
/* Note: if file is NULL return value is number of pointers to write, else
* it is the number of type format characters written */
static int write_conformant_array_pointer_descriptions(
FILE *file, const attr_list_t *attrs, type_t *type,
unsigned int offset_in_memory, unsigned int *typestring_offset)
{
unsigned int align;
int pointer_count = 0;
if (is_conformant_array(type) && !type_array_has_variance(type))
{
unsigned int temp = 0;
/* unfortunately, this needs to be done in two passes to avoid
* writing out redundant FC_VARIABLE_REPEAT descriptions */
pointer_count = write_pointer_description_offsets(
NULL, attrs, type_array_get_element(type), NULL, NULL, &temp);
if (pointer_count > 0)
{
unsigned int increment_size;
unsigned int offset_of_array_pointer_mem = offset_in_memory;
unsigned int offset_of_array_pointer_buf = offset_in_memory;
align = 0;
increment_size = type_memsize(type_array_get_element(type), &align);
if (increment_size > USHRT_MAX)
error("array size of %u bytes is too large\n", increment_size);
print_file(file, 2, "0x%02x, /* FC_VARIABLE_REPEAT */\n", RPC_FC_VARIABLE_REPEAT);
print_file(file, 2, "0x%02x, /* FC_FIXED_OFFSET */\n", RPC_FC_FIXED_OFFSET);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Increment = %d */\n", increment_size, increment_size);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset to array = %d */\n", offset_in_memory, offset_in_memory);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Number of pointers = %d */\n", pointer_count, pointer_count);
*typestring_offset += 8;
pointer_count = write_pointer_description_offsets(
file, attrs, type_array_get_element(type),
&offset_of_array_pointer_mem, &offset_of_array_pointer_buf,
typestring_offset);
}
}
return pointer_count;
}
/* Note: if file is NULL return value is number of pointers to write, else
* it is the number of type format characters written */
static int write_varying_array_pointer_descriptions(
FILE *file, const attr_list_t *attrs, type_t *type,
unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
unsigned int *typestring_offset)
{
unsigned int align;
int pointer_count = 0;
if (is_array(type) && type_array_has_variance(type))
{
unsigned int temp = 0;
/* unfortunately, this needs to be done in two passes to avoid
* writing out redundant FC_VARIABLE_REPEAT descriptions */
pointer_count = write_pointer_description_offsets(
NULL, attrs, type_array_get_element(type), NULL, NULL, &temp);
if (pointer_count > 0)
{
unsigned int increment_size;
align = 0;
increment_size = type_memsize(type_array_get_element(type), &align);
if (increment_size > USHRT_MAX)
error("array size of %u bytes is too large\n", increment_size);
print_file(file, 2, "0x%02x, /* FC_VARIABLE_REPEAT */\n", RPC_FC_VARIABLE_REPEAT);
print_file(file, 2, "0x%02x, /* FC_VARIABLE_OFFSET */\n", RPC_FC_VARIABLE_OFFSET);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Increment = %d */\n", increment_size, increment_size);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset to array = %d */\n", *offset_in_memory, *offset_in_memory);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Number of pointers = %d */\n", pointer_count, pointer_count);
*typestring_offset += 8;
pointer_count = write_pointer_description_offsets(
file, attrs, type, offset_in_memory,
offset_in_buffer, typestring_offset);
}
}
else if (type_get_type(type) == TYPE_STRUCT)
{
const var_t *v;
LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
{
if (offset_in_memory && offset_in_buffer)
{
unsigned int padding;
if (is_array(v->type) && type_array_has_variance(v->type))
{
*offset_in_buffer = ROUND_SIZE(*offset_in_buffer, 4);
/* skip over variance and offset in buffer */
*offset_in_buffer += 8;
}
align = 0;
type_memsize(v->type, &align);
padding = ROUNDING(*offset_in_memory, align);
*offset_in_memory += padding;
*offset_in_buffer += padding;
}
pointer_count += write_varying_array_pointer_descriptions(
file, v->attrs, v->type, offset_in_memory, offset_in_buffer,
typestring_offset);
}
}
else
{
if (offset_in_memory && offset_in_buffer)
{
unsigned int memsize;
align = 0;
memsize = type_memsize(type, &align);
*offset_in_memory += memsize;
/* increment these separately as in the case of conformant (varying)
* structures these start at different values */
*offset_in_buffer += memsize;
}
}
return pointer_count;
}
static void write_pointer_description(FILE *file, type_t *type,
unsigned int *typestring_offset)
{
unsigned int offset_in_buffer;
unsigned int offset_in_memory;
/* pass 1: search for single instance of a pointer (i.e. don't descend
* into arrays) */
if (!is_array(type))
{
offset_in_memory = 0;
offset_in_buffer = 0;
write_no_repeat_pointer_descriptions(
file, NULL, type,
&offset_in_memory, &offset_in_buffer, typestring_offset);
}
/* pass 2: search for pointers in fixed arrays */
offset_in_memory = 0;
offset_in_buffer = 0;
write_fixed_array_pointer_descriptions(
file, NULL, type,
&offset_in_memory, &offset_in_buffer, typestring_offset);
/* pass 3: search for pointers in conformant only arrays (but don't descend
* into conformant varying or varying arrays) */
if (is_conformant_array(type) &&
(type_array_is_decl_as_ptr(type) || !current_structure))
write_conformant_array_pointer_descriptions(
file, NULL, type, 0, typestring_offset);
else if (type_get_type(type) == TYPE_STRUCT &&
get_struct_fc(type) == RPC_FC_CPSTRUCT)
{
unsigned int align = 0;
type_t *carray = find_array_or_string_in_struct(type)->type;
write_conformant_array_pointer_descriptions(
file, NULL, carray,
type_memsize(type, &align),
typestring_offset);
}
/* pass 4: search for pointers in varying arrays */
offset_in_memory = 0;
offset_in_buffer = 0;
write_varying_array_pointer_descriptions(
file, NULL, type,
&offset_in_memory, &offset_in_buffer, typestring_offset);
}
int is_declptr(const type_t *t)
{
return is_ptr(t) || (type_get_type(t) == TYPE_ARRAY && type_array_is_decl_as_ptr(t));
}
static unsigned int write_string_tfs(FILE *file, const attr_list_t *attrs,
type_t *type, int toplevel_param,
const char *name, unsigned int *typestring_offset)
{
unsigned int start_offset;
unsigned char rtype;
type_t *elem_type;
start_offset = *typestring_offset;
update_tfsoff(type, start_offset, file);
if (is_declptr(type))
{
unsigned char flag = is_conformant_array(type) ? 0 : RPC_FC_P_SIMPLEPOINTER;
int pointer_type = get_pointer_fc(type, attrs, toplevel_param);
if (!pointer_type)
pointer_type = RPC_FC_RP;
print_start_tfs_comment(file, type, *typestring_offset);
print_file(file, 2,"0x%x, 0x%x,\t/* %s%s */\n",
pointer_type, flag, string_of_type(pointer_type),
flag ? " [simple_pointer]" : "");
*typestring_offset += 2;
if (!flag)
{
print_file(file, 2, "NdrFcShort(0x2),\n");
*typestring_offset += 2;
}
}
if (is_array(type))
elem_type = type_array_get_element(type);
else
elem_type = type_pointer_get_ref(type);
if (type_get_type(elem_type) != TYPE_BASIC)
{
error("write_string_tfs: Unimplemented for non-basic type %s\n", name);
return start_offset;
}
rtype = get_basic_fc(elem_type);
if ((rtype != RPC_FC_BYTE) && (rtype != RPC_FC_CHAR) && (rtype != RPC_FC_WCHAR))
{
error("write_string_tfs: Unimplemented for type 0x%x of name: %s\n", rtype, name);
return start_offset;
}
if (type_get_type(type) == TYPE_ARRAY && !type_array_has_conformance(type))
{
unsigned int dim = type_array_get_dim(type);
/* FIXME: multi-dimensional array */
if (0xffffu < dim)
error("array size for parameter %s exceeds %u bytes by %u bytes\n",
name, 0xffffu, dim - 0xffffu);
if (rtype == RPC_FC_WCHAR)
WRITE_FCTYPE(file, FC_WSTRING, *typestring_offset);
else
WRITE_FCTYPE(file, FC_CSTRING, *typestring_offset);
print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
*typestring_offset += 2;
print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", dim, dim);
*typestring_offset += 2;
return start_offset;
}
else if (is_conformant_array(type))
{
unsigned int align = 0;
if (rtype == RPC_FC_WCHAR)
WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset);
else
WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset);
print_file(file, 2, "0x%x, /* FC_STRING_SIZED */\n", RPC_FC_STRING_SIZED);
*typestring_offset += 2;
*typestring_offset += write_conf_or_var_desc(
file, current_structure,
(!type_array_is_decl_as_ptr(type) && current_structure
? type_memsize(current_structure, &align)
: 0),
type, type_array_get_conformance(type));
return start_offset;
}
else
{
if (rtype == RPC_FC_WCHAR)
WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset);
else
WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset);
print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
*typestring_offset += 2;
return start_offset;
}
}
static unsigned int write_array_tfs(FILE *file, const attr_list_t *attrs, type_t *type,
const char *name, unsigned int *typestring_offset)
{
const expr_t *length_is = type_array_get_variance(type);
const expr_t *size_is = type_array_get_conformance(type);
unsigned int align = 0;
unsigned int size;
unsigned int start_offset;
unsigned char fc;
int has_pointer;
int pointer_type = get_attrv(attrs, ATTR_POINTERTYPE);
unsigned int baseoff
= !type_array_is_decl_as_ptr(type) && current_structure
? type_memsize(current_structure, &align)
: 0;
if (!pointer_type)
pointer_type = RPC_FC_RP;
if (write_embedded_types(file, attrs, type_array_get_element(type), name, FALSE, typestring_offset))
has_pointer = TRUE;
else
has_pointer = type_has_pointers(type_array_get_element(type));
align = 0;
size = type_memsize((is_conformant_array(type) ? type_array_get_element(type) : type), &align);
fc = get_array_fc(type);
start_offset = *typestring_offset;
update_tfsoff(type, start_offset, file);
print_start_tfs_comment(file, type, start_offset);
print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc));
print_file(file, 2, "0x%x,\t/* %d */\n", align - 1, align - 1);
*typestring_offset += 2;
align = 0;
if (fc != RPC_FC_BOGUS_ARRAY)
{
if (fc == RPC_FC_LGFARRAY || fc == RPC_FC_LGVARRAY)
{
print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", size, size);
*typestring_offset += 4;
}
else
{
print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", size, size);
*typestring_offset += 2;
}
if (is_conformant_array(type))
*typestring_offset
+= write_conf_or_var_desc(file, current_structure, baseoff,
type, size_is);
if (fc == RPC_FC_SMVARRAY || fc == RPC_FC_LGVARRAY)
{
unsigned int elalign = 0;
unsigned int elsize = type_memsize(type_array_get_element(type), &elalign);
unsigned int dim = type_array_get_dim(type);
if (fc == RPC_FC_LGVARRAY)
{
print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", dim, dim);
*typestring_offset += 4;
}
else
{
print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", dim, dim);
*typestring_offset += 2;
}
print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", elsize, elsize);
*typestring_offset += 2;
}
if (length_is)
*typestring_offset
+= write_conf_or_var_desc(file, current_structure, baseoff,
type, length_is);
if (has_pointer && (type_array_is_decl_as_ptr(type) || !current_structure))
{
print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
*typestring_offset += 2;
write_pointer_description(file, type, typestring_offset);
print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
*typestring_offset += 1;
}
write_member_type(file, type, FALSE, NULL, type_array_get_element(type), NULL, typestring_offset);
write_end(file, typestring_offset);
}
else
{
unsigned int dim = size_is ? 0 : type_array_get_dim(type);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", dim, dim);
*typestring_offset += 2;
*typestring_offset
+= write_conf_or_var_desc(file, current_structure, baseoff,
type, size_is);
*typestring_offset
+= write_conf_or_var_desc(file, current_structure, baseoff,
type, length_is);
write_member_type(file, type, TRUE, NULL, type_array_get_element(type), NULL, typestring_offset);
write_end(file, typestring_offset);
}
return start_offset;
}
static const var_t *find_array_or_string_in_struct(const type_t *type)
{
const var_list_t *fields = type_struct_get_fields(type);
const var_t *last_field;
const type_t *ft;
if (!fields || list_empty(fields))
return NULL;
last_field = LIST_ENTRY( list_tail(fields), const var_t, entry );
ft = last_field->type;
if (is_conformant_array(ft) && !type_array_is_decl_as_ptr(ft))
return last_field;
if (type_get_type(ft) == TYPE_STRUCT)
return find_array_or_string_in_struct(ft);
else
return NULL;
}
static void write_struct_members(FILE *file, const type_t *type,
int is_complex, unsigned int *corroff,
unsigned int *typestring_offset)
{
const var_t *field;
unsigned short offset = 0;
unsigned int salign = 1;
int padding;
var_list_t *fields = type_struct_get_fields(type);
if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
{
type_t *ft = field->type;
if (!is_conformant_array(ft) || type_array_is_decl_as_ptr(ft))
{
unsigned int align = 0;
unsigned int size = type_memsize(ft, &align);
if (salign < align) salign = align;
if ((align - 1) & offset)
{
unsigned char fc = 0;
switch (align)
{
case 4:
fc = RPC_FC_ALIGNM4;
break;
case 8:
fc = RPC_FC_ALIGNM8;
break;
default:
error("write_struct_members: cannot align type %d\n", type_get_type(ft));
}
print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
offset = ROUND_SIZE(offset, align);
*typestring_offset += 1;
}
write_member_type(file, type, is_complex, field->attrs, field->type, corroff,
typestring_offset);
offset += size;
}
}
padding = ROUNDING(offset, salign);
if (padding)
{
print_file(file, 2, "0x%x,\t/* FC_STRUCTPAD%d */\n",
RPC_FC_STRUCTPAD1 + padding - 1,
padding);
*typestring_offset += 1;
}
write_end(file, typestring_offset);
}
static unsigned int write_struct_tfs(FILE *file, type_t *type,
const char *name, unsigned int *tfsoff)
{
const type_t *save_current_structure = current_structure;
unsigned int total_size;
const var_t *array;
unsigned int start_offset;
unsigned int array_offset;
int has_pointers = 0;
unsigned int align = 0;
unsigned int corroff;
var_t *f;
unsigned char fc = get_struct_fc(type);
var_list_t *fields = type_struct_get_fields(type);
guard_rec(type);
current_structure = type;
total_size = type_memsize(type, &align);
if (total_size > USHRT_MAX)
error("structure size for %s exceeds %d bytes by %d bytes\n",
name, USHRT_MAX, total_size - USHRT_MAX);
if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry)
has_pointers |= write_embedded_types(file, f->attrs, f->type, f->name,
FALSE, tfsoff);
if (!has_pointers) has_pointers = type_has_pointers(type);
array = find_array_or_string_in_struct(type);
if (array && !processed(array->type))
array_offset
= is_string_type(array->attrs, array->type)
? write_string_tfs(file, array->attrs, array->type, FALSE, array->name, tfsoff)
: write_array_tfs(file, array->attrs, array->type, array->name, tfsoff);
corroff = *tfsoff;
write_descriptors(file, type, tfsoff);
start_offset = *tfsoff;
update_tfsoff(type, start_offset, file);
print_start_tfs_comment(file, type, start_offset);
print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
print_file(file, 2, "0x%x,\t/* %d */\n", align - 1, align - 1);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", total_size, total_size);
*tfsoff += 4;
if (array)
{
unsigned int absoff = array->type->typestring_offset;
short reloff = absoff - *tfsoff;
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n",
reloff, reloff, absoff);
*tfsoff += 2;
}
else if (fc == RPC_FC_BOGUS_STRUCT)
{
print_file(file, 2, "NdrFcShort(0x0),\n");
*tfsoff += 2;
}
if (fc == RPC_FC_BOGUS_STRUCT)
{
/* On the sizing pass, type->ptrdesc may be zero, but it's ok as
nothing is written to file yet. On the actual writing pass,
this will have been updated. */
unsigned int absoff = type_get_real_type(type)->ptrdesc ?
type_get_real_type(type)->ptrdesc : *tfsoff;
int reloff = absoff - *tfsoff;
assert( reloff >= 0 );
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %d (%u) */\n",
reloff, reloff, absoff);
*tfsoff += 2;
}
else if ((fc == RPC_FC_PSTRUCT) ||
(fc == RPC_FC_CPSTRUCT) ||
(fc == RPC_FC_CVSTRUCT && has_pointers))
{
print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
*tfsoff += 2;
write_pointer_description(file, type, tfsoff);
print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
*tfsoff += 1;
}
write_struct_members(file, type, fc == RPC_FC_BOGUS_STRUCT, &corroff,
tfsoff);
if (fc == RPC_FC_BOGUS_STRUCT)
{
const var_t *f;
type_get_real_type(type)->ptrdesc = *tfsoff;
if (fields) LIST_FOR_EACH_ENTRY(f, fields, const var_t, entry)
{
type_t *ft = f->type;
if (is_ptr(ft))
{
if (is_string_type(f->attrs, ft))
write_string_tfs(file, f->attrs, ft, FALSE, f->name, tfsoff);
else
write_pointer_tfs(file, f->attrs, ft, FALSE, tfsoff);
}
else if (type_get_type(ft) == TYPE_ARRAY && type_array_is_decl_as_ptr(ft))
{
unsigned int offset;
print_file(file, 0, "/* %d */\n", *tfsoff);
offset = ft->typestring_offset;
/* skip over the pointer that is written for strings, since a
* pointer has to be written in-place here */
if (is_string_type(f->attrs, ft))
offset += 4;
write_nonsimple_pointer(file, f->attrs, ft, FALSE, offset, tfsoff);
}
}
if (type_get_real_type(type)->ptrdesc == *tfsoff)
type_get_real_type(type)->ptrdesc = 0;
}
current_structure = save_current_structure;
return start_offset;
}
static void write_branch_type(FILE *file, const type_t *t, unsigned int *tfsoff)
{
if (t == NULL)
{
print_file(file, 2, "NdrFcShort(0x0),\t/* No type */\n");
}
else
{
if (type_get_type(t) == TYPE_BASIC || type_get_type(t) == TYPE_ENUM)
{
unsigned char fc;
if (type_get_type(t) == TYPE_BASIC)
fc = get_basic_fc(t);
else
fc = get_enum_fc(t);
print_file(file, 2, "NdrFcShort(0x80%02x),\t/* Simple arm type: %s */\n",
fc, string_of_type(fc));
}
else if (t->typestring_offset)
{
short reloff = t->typestring_offset - *tfsoff;
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %d (%d) */\n",
reloff, reloff, t->typestring_offset);
}
else
error("write_branch_type: type unimplemented %d\n", type_get_type(t));
}
*tfsoff += 2;
}
static unsigned int write_union_tfs(FILE *file, type_t *type, unsigned int *tfsoff)
{
unsigned int align;
unsigned int start_offset;
unsigned int size;
var_list_t *fields;
unsigned int nbranch = 0;
type_t *deftype = NULL;
short nodeftype = 0xffff;
var_t *f;
guard_rec(type);
align = 0;
size = type_memsize(type, &align);
fields = type_union_get_cases(type);
if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry)
{
expr_list_t *cases = get_attrp(f->attrs, ATTR_CASE);
if (cases)
nbranch += list_count(cases);
if (f->type)
write_embedded_types(file, f->attrs, f->type, f->name, TRUE, tfsoff);
}
start_offset = *tfsoff;
update_tfsoff(type, start_offset, file);
print_start_tfs_comment(file, type, start_offset);
if (type_get_type(type) == TYPE_ENCAPSULATED_UNION)
{
const var_t *sv = type_union_get_switch_value(type);
const type_t *st = sv->type;
unsigned char fc;
if (type_get_type(st) == TYPE_BASIC)
{
switch (get_basic_fc(st))
{
case RPC_FC_CHAR:
case RPC_FC_SMALL:
case RPC_FC_BYTE:
case RPC_FC_USMALL:
case RPC_FC_WCHAR:
case RPC_FC_SHORT:
case RPC_FC_USHORT:
case RPC_FC_LONG:
case RPC_FC_ULONG:
fc = get_basic_fc(st);
break;
default:
fc = 0;
error("union switch type must be an integer, char, or enum\n");
}
}
else if (type_get_type(st) == TYPE_ENUM)
fc = get_enum_fc(st);
else
error("union switch type must be an integer, char, or enum\n");
print_file(file, 2, "0x%x,\t/* FC_ENCAPSULATED_UNION */\n", RPC_FC_ENCAPSULATED_UNION);
print_file(file, 2, "0x%x,\t/* Switch type= %s */\n",
0x40 | fc, string_of_type(fc));
*tfsoff += 2;
}
else if (is_attr(type->attrs, ATTR_SWITCHTYPE))
{
static const expr_t dummy_expr; /* FIXME */
const type_t *st = get_attrp(type->attrs, ATTR_SWITCHTYPE);
unsigned char fc;
if (type_get_type(st) == TYPE_BASIC)
{
switch (get_basic_fc(st))
{
case RPC_FC_CHAR:
case RPC_FC_SMALL:
case RPC_FC_USMALL:
case RPC_FC_SHORT:
case RPC_FC_USHORT:
case RPC_FC_LONG:
case RPC_FC_ULONG:
case RPC_FC_ENUM16:
case RPC_FC_ENUM32:
fc = get_basic_fc(st);
break;
default:
fc = 0;
error("union switch type must be an integer, char, or enum\n");
}
}
else if (type_get_type(st) == TYPE_ENUM)
fc = get_enum_fc(st);
else
error("union switch type must be an integer, char, or enum\n");
print_file(file, 2, "0x%x,\t/* FC_NON_ENCAPSULATED_UNION */\n", RPC_FC_NON_ENCAPSULATED_UNION);
print_file(file, 2, "0x%x,\t/* Switch type= %s */\n",
fc, string_of_type(fc));
*tfsoff += 2;
*tfsoff += write_conf_or_var_desc(file, NULL, *tfsoff, st, &dummy_expr );
print_file(file, 2, "NdrFcShort(0x2),\t/* Offset= 2 (%u) */\n", *tfsoff + 2);
*tfsoff += 2;
print_file(file, 0, "/* %u */\n", *tfsoff);
}
print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", size, size);
print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", nbranch, nbranch);
*tfsoff += 4;
if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry)
{
type_t *ft = f->type;
expr_list_t *cases = get_attrp(f->attrs, ATTR_CASE);
int deflt = is_attr(f->attrs, ATTR_DEFAULT);
expr_t *c;
if (cases == NULL && !deflt)
error("union field %s with neither case nor default attribute\n", f->name);
if (cases) LIST_FOR_EACH_ENTRY(c, cases, expr_t, entry)
{
/* MIDL doesn't check for duplicate cases, even though that seems
like a reasonable thing to do, it just dumps them to the TFS
like we're going to do here. */
print_file(file, 2, "NdrFcLong(0x%lx),\t/* %ld */\n", c->cval, c->cval);
*tfsoff += 4;
write_branch_type(file, ft, tfsoff);
}
/* MIDL allows multiple default branches, even though that seems
illogical, it just chooses the last one, which is what we will
do. */
if (deflt)
{
deftype = ft;
nodeftype = 0;
}
}
if (deftype)
{
write_branch_type(file, deftype, tfsoff);
}
else
{
print_file(file, 2, "NdrFcShort(0x%hx),\n", nodeftype);
*tfsoff += 2;
}
return start_offset;
}
static unsigned int write_ip_tfs(FILE *file, const attr_list_t *attrs, type_t *type,
unsigned int *typeformat_offset)
{
unsigned int i;
unsigned int start_offset = *typeformat_offset;
expr_t *iid = get_attrp(attrs, ATTR_IIDIS);
if (iid)
{
print_file(file, 2, "0x2f, /* FC_IP */\n");
print_file(file, 2, "0x5c, /* FC_PAD */\n");
*typeformat_offset
+= write_conf_or_var_desc(file, NULL, 0, type, iid) + 2;
}
else
{
const type_t *base = is_ptr(type) ? type_pointer_get_ref(type) : type;
const UUID *uuid = get_attrp(base->attrs, ATTR_UUID);
if (! uuid)
error("%s: interface %s missing UUID\n", __FUNCTION__, base->name);
update_tfsoff(type, start_offset, file);
print_start_tfs_comment(file, type, start_offset);
print_file(file, 2, "0x2f,\t/* FC_IP */\n");
print_file(file, 2, "0x5a,\t/* FC_CONSTANT_IID */\n");
print_file(file, 2, "NdrFcLong(0x%08x),\n", uuid->Data1);
print_file(file, 2, "NdrFcShort(0x%04x),\n", uuid->Data2);
print_file(file, 2, "NdrFcShort(0x%04x),\n", uuid->Data3);
for (i = 0; i < 8; ++i)
print_file(file, 2, "0x%02x,\n", uuid->Data4[i]);
if (file)
fprintf(file, "\n");
*typeformat_offset += 18;
}
return start_offset;
}
static unsigned int write_contexthandle_tfs(FILE *file, const type_t *type,
const var_t *var,
unsigned int *typeformat_offset)
{
unsigned int start_offset = *typeformat_offset;
unsigned char flags = 0;
if (is_attr(current_iface->attrs, ATTR_STRICTCONTEXTHANDLE))
flags |= NDR_STRICT_CONTEXT_HANDLE;
if (is_ptr(type))
flags |= 0x80;
if (is_attr(var->attrs, ATTR_IN))
{
flags |= 0x40;
if (!is_attr(var->attrs, ATTR_OUT))
flags |= NDR_CONTEXT_HANDLE_CANNOT_BE_NULL;
}
if (is_attr(var->attrs, ATTR_OUT))
flags |= 0x20;
WRITE_FCTYPE(file, FC_BIND_CONTEXT, *typeformat_offset);
print_file(file, 2, "0x%x,\t/* Context flags: ", flags);
/* return and can't be null values overlap */
if (((flags & 0x21) != 0x21) && (flags & NDR_CONTEXT_HANDLE_CANNOT_BE_NULL))
print_file(file, 0, "can't be null, ");
if (flags & NDR_CONTEXT_HANDLE_SERIALIZE)
print_file(file, 0, "serialize, ");
if (flags & NDR_CONTEXT_HANDLE_NO_SERIALIZE)
print_file(file, 0, "no serialize, ");
if (flags & NDR_STRICT_CONTEXT_HANDLE)
print_file(file, 0, "strict, ");
if ((flags & 0x21) == 0x20)
print_file(file, 0, "out, ");
if ((flags & 0x21) == 0x21)
print_file(file, 0, "return, ");
if (flags & 0x40)
print_file(file, 0, "in, ");
if (flags & 0x80)
print_file(file, 0, "via ptr, ");
print_file(file, 0, "*/\n");
print_file(file, 2, "0, /* FIXME: rundown routine index*/\n");
print_file(file, 2, "0, /* FIXME: param num */\n");
*typeformat_offset += 4;
return start_offset;
}
static unsigned int write_typeformatstring_var(FILE *file, int indent, const var_t *func,
type_t *type, const var_t *var,
int toplevel_param,
unsigned int *typeformat_offset)
{
unsigned int offset;
switch (typegen_detect_type(type, var->attrs, TDT_ALL_TYPES))
{
case TGT_CTXT_HANDLE:
case TGT_CTXT_HANDLE_POINTER:
return write_contexthandle_tfs(file, type, var, typeformat_offset);
case TGT_USER_TYPE:
write_user_tfs(file, type, typeformat_offset);
return type->typestring_offset;
case TGT_STRING:
return write_string_tfs(file, var->attrs, type, toplevel_param, var->name, typeformat_offset);
case TGT_ARRAY:
{
int ptr_type;
unsigned int off;
off = write_array_tfs(file, var->attrs, type, var->name, typeformat_offset);
ptr_type = get_pointer_fc(type, var->attrs, toplevel_param);
if (ptr_type != RPC_FC_RP)
{
unsigned int absoff = type->typestring_offset;
short reloff = absoff - (*typeformat_offset + 2);
off = *typeformat_offset;
print_file(file, 0, "/* %d */\n", off);
print_file(file, 2, "0x%x, 0x0,\t/* %s */\n", ptr_type,
string_of_type(ptr_type));
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n",
reloff, reloff, absoff);
*typeformat_offset += 4;
}
return off;
}
case TGT_STRUCT:
if (processed(type)) return type->typestring_offset;
return write_struct_tfs(file, type, var->name, typeformat_offset);
case TGT_UNION:
if (processed(type)) return type->typestring_offset;
return write_union_tfs(file, type, typeformat_offset);
case TGT_ENUM:
case TGT_BASIC:
/* nothing to do */
return 0;
case TGT_IFACE_POINTER:
return write_ip_tfs(file, var->attrs, type, typeformat_offset);
case TGT_POINTER:
if (last_ptr(type))
{
size_t start_offset = *typeformat_offset;
int in_attr = is_attr(var->attrs, ATTR_IN);
int out_attr = is_attr(var->attrs, ATTR_OUT);
const type_t *ref = type_pointer_get_ref(type);
switch (typegen_detect_type(ref, NULL, TDT_ALL_TYPES))
{
/* special case for pointers to base types */
case TGT_BASIC:
case TGT_ENUM:
{
unsigned char fc;
if (type_get_type(ref) == TYPE_ENUM)
fc = get_enum_fc(ref);
else
fc = get_basic_fc(ref);
print_file(file, indent, "0x%x, 0x%x, /* %s %s[simple_pointer] */\n",
get_pointer_fc(type, var->attrs, toplevel_param),
(!in_attr && out_attr) ? 0x0C : 0x08,
string_of_type(get_pointer_fc(type, var->attrs, toplevel_param)),
(!in_attr && out_attr) ? "[allocated_on_stack] " : "");
print_file(file, indent, "0x%02x, /* %s */\n",
fc, string_of_type(fc));
print_file(file, indent, "0x5c, /* FC_PAD */\n");
*typeformat_offset += 4;
return start_offset;
}
default:
break;
}
}
offset = write_typeformatstring_var(file, indent, func,
type_pointer_get_ref(type), var,
FALSE, typeformat_offset);
if (file)
fprintf(file, "/* %2u */\n", *typeformat_offset);
return write_nonsimple_pointer(file, var->attrs, type,
toplevel_param,
offset, typeformat_offset);
case TGT_INVALID:
break;
}
error("invalid type %s for var %s\n", type->name, var->name);
return 0;
}
static int write_embedded_types(FILE *file, const attr_list_t *attrs, type_t *type,
const char *name, int write_ptr, unsigned int *tfsoff)
{
int retmask = 0;
switch (typegen_detect_type(type, attrs, TDT_ALL_TYPES))
{
case TGT_USER_TYPE:
write_user_tfs(file, type, tfsoff);
break;
case TGT_STRING:
write_string_tfs(file, attrs, type, FALSE, name, tfsoff);
break;
case TGT_IFACE_POINTER:
write_ip_tfs(file, attrs, type, tfsoff);
break;
case TGT_POINTER:
{
type_t *ref = type_pointer_get_ref(type);
if (!processed(ref) && type_get_type(ref) != TYPE_BASIC)
retmask |= write_embedded_types(file, NULL, ref, name, TRUE, tfsoff);
if (write_ptr)
write_pointer_tfs(file, attrs, type, FALSE, tfsoff);
retmask |= 1;
break;
}
case TGT_ARRAY:
/* conformant arrays and strings are handled specially */
if (!is_conformant_array(type) || type_array_is_decl_as_ptr(type) )
{
write_array_tfs(file, attrs, type, name, tfsoff);
if (is_conformant_array(type))
retmask |= 1;
}
break;
case TGT_STRUCT:
if (!processed(type))
write_struct_tfs(file, type, name, tfsoff);
break;
case TGT_UNION:
if (!processed(type))
write_union_tfs(file, type, tfsoff);
break;
case TGT_ENUM:
case TGT_BASIC:
/* nothing to do */
break;
case TGT_CTXT_HANDLE:
case TGT_CTXT_HANDLE_POINTER:
case TGT_INVALID:
error("invalid type %s for var %s\n", type->name, name);
break;
}
return retmask;
}
static unsigned int process_tfs_stmts(FILE *file, const statement_list_t *stmts,
type_pred_t pred, unsigned int *typeformat_offset)
{
const var_t *var;
const statement_t *stmt;
if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
{
const type_t *iface;
const statement_t *stmt_func;
if (stmt->type == STMT_LIBRARY)
{
process_tfs_stmts(file, stmt->u.lib->stmts, pred, typeformat_offset);
continue;
}
else if (stmt->type != STMT_TYPE || type_get_type(stmt->u.type) != TYPE_INTERFACE)
continue;
iface = stmt->u.type;
if (!pred(iface))
continue;
current_iface = iface;
STATEMENTS_FOR_EACH_FUNC( stmt_func, type_iface_get_stmts(iface) )
{
const var_t *func = stmt_func->u.var;
if (is_local(func->attrs)) continue;
if (!is_void(type_function_get_rettype(func->type)))
{
var_t v = *func;
v.type = type_function_get_rettype(func->type);
update_tfsoff(type_function_get_rettype(func->type),
write_typeformatstring_var(
file, 2, NULL,
type_function_get_rettype(func->type),
&v, FALSE, typeformat_offset),
file);
}
current_func = func;
if (type_get_function_args(func->type))
LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
update_tfsoff(
var->type,
write_typeformatstring_var(
file, 2, func, var->type, var,
TRUE, typeformat_offset),
file);
}
}
return *typeformat_offset + 1;
}
static unsigned int process_tfs(FILE *file, const statement_list_t *stmts, type_pred_t pred)
{
unsigned int typeformat_offset = 2;
return process_tfs_stmts(file, stmts, pred, &typeformat_offset);
}
void write_typeformatstring(FILE *file, const statement_list_t *stmts, type_pred_t pred)
{
int indent = 0;
print_file(file, indent, "static const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString =\n");
print_file(file, indent, "{\n");
indent++;
print_file(file, indent, "0,\n");
print_file(file, indent, "{\n");
indent++;
print_file(file, indent, "NdrFcShort(0x0),\n");
set_all_tfswrite(TRUE);
process_tfs(file, stmts, pred);
print_file(file, indent, "0x0\n");
indent--;
print_file(file, indent, "}\n");
indent--;
print_file(file, indent, "};\n");
print_file(file, indent, "\n");
}
static unsigned int get_required_buffer_size_type(
const type_t *type, const char *name, const attr_list_t *attrs, int toplevel_param, unsigned int *alignment)
{
*alignment = 0;
switch (typegen_detect_type(type, NULL, TDT_IGNORE_STRINGS))
{
case TGT_USER_TYPE:
{
const char *uname;
const type_t *utype = get_user_type(type, &uname);
return get_required_buffer_size_type(utype, uname, NULL, FALSE, alignment);
}
case TGT_BASIC:
switch (get_basic_fc(type))
{
case RPC_FC_BYTE:
case RPC_FC_CHAR:
case RPC_FC_USMALL:
case RPC_FC_SMALL:
*alignment = 4;
return 1;
case RPC_FC_WCHAR:
case RPC_FC_USHORT:
case RPC_FC_SHORT:
*alignment = 4;
return 2;
case RPC_FC_ULONG:
case RPC_FC_LONG:
case RPC_FC_FLOAT:
case RPC_FC_ERROR_STATUS_T:
*alignment = 4;
return 4;
case RPC_FC_HYPER:
case RPC_FC_DOUBLE:
*alignment = 8;
return 8;
case RPC_FC_IGNORE:
case RPC_FC_BIND_PRIMITIVE:
return 0;
default:
error("get_required_buffer_size: unknown basic type 0x%02x\n",
get_basic_fc(type));
return 0;
}
break;
case TGT_ENUM:
switch (get_enum_fc(type))
{
case RPC_FC_ENUM32:
*alignment = 4;
return 4;
case RPC_FC_ENUM16:
*alignment = 4;
return 2;
}
break;
case TGT_STRUCT:
if (get_struct_fc(type) == RPC_FC_STRUCT)
{
if (!type_struct_get_fields(type)) return 0;
return fields_memsize(type_struct_get_fields(type), alignment);
}
break;
case TGT_POINTER:
if (get_pointer_fc(type, attrs, toplevel_param) == RPC_FC_RP)
{
const type_t *ref = type_pointer_get_ref(type);
switch (typegen_detect_type(ref, NULL, TDT_ALL_TYPES))
{
case TGT_BASIC:
case TGT_ENUM:
return get_required_buffer_size_type( ref, name, NULL, FALSE, alignment );
case TGT_STRUCT:
if (get_struct_fc(ref) == RPC_FC_STRUCT)
return get_required_buffer_size_type( ref, name, NULL, FALSE, alignment );
break;
case TGT_USER_TYPE:
case TGT_CTXT_HANDLE:
case TGT_CTXT_HANDLE_POINTER:
case TGT_STRING:
case TGT_POINTER:
case TGT_ARRAY:
case TGT_IFACE_POINTER:
case TGT_UNION:
case TGT_INVALID:
break;
}
}
break;
case TGT_ARRAY:
/* FIXME: depends on pointer type */
return type_array_get_dim(type) *
get_required_buffer_size_type(type_array_get_element(type), name, NULL, FALSE, alignment);
default:
break;
}
return 0;
}
static unsigned int get_required_buffer_size(const var_t *var, unsigned int *alignment, enum pass pass)
{
int in_attr = is_attr(var->attrs, ATTR_IN);
int out_attr = is_attr(var->attrs, ATTR_OUT);
if (!in_attr && !out_attr)
in_attr = 1;
*alignment = 0;
if ((pass == PASS_IN && in_attr) || (pass == PASS_OUT && out_attr) ||
pass == PASS_RETURN)
{
if (is_ptrchain_attr(var, ATTR_CONTEXTHANDLE))
{
*alignment = 4;
return 20;
}
if (!is_string_type(var->attrs, var->type))
return get_required_buffer_size_type(var->type, var->name,
var->attrs, TRUE, alignment);
}
return 0;
}
static unsigned int get_function_buffer_size( const var_t *func, enum pass pass )
{
const var_t *var;
unsigned int total_size = 0, alignment;
if (type_get_function_args(func->type))
{
LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
{
total_size += get_required_buffer_size(var, &alignment, pass);
total_size += alignment;
}
}
if (pass == PASS_OUT && !is_void(type_function_get_rettype(func->type)))
{
var_t v = *func;
v.type = type_function_get_rettype(func->type);
total_size += get_required_buffer_size(&v, &alignment, PASS_RETURN);
total_size += alignment;
}
return total_size;
}
static void print_phase_function(FILE *file, int indent, const char *type,
const char *local_var_prefix, enum remoting_phase phase,
const var_t *var, unsigned int type_offset)
{
const char *function;
switch (phase)
{
case PHASE_BUFFERSIZE:
function = "BufferSize";
break;
case PHASE_MARSHAL:
function = "Marshall";
break;
case PHASE_UNMARSHAL:
function = "Unmarshall";
break;
case PHASE_FREE:
function = "Free";
break;
default:
assert(0);
return;
}
print_file(file, indent, "Ndr%s%s(\n", type, function);
indent++;
print_file(file, indent, "&__frame->_StubMsg,\n");
print_file(file, indent, "%s%s%s%s%s,\n",
(phase == PHASE_UNMARSHAL) ? "(unsigned char **)" : "(unsigned char *)",
(phase == PHASE_UNMARSHAL || decl_indirect(var->type)) ? "&" : "",
local_var_prefix,
(phase == PHASE_UNMARSHAL && decl_indirect(var->type)) ? "_p_" : "",
var->name);
print_file(file, indent, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]%s\n",
type_offset, (phase == PHASE_UNMARSHAL) ? "," : ");");
if (phase == PHASE_UNMARSHAL)
print_file(file, indent, "0);\n");
indent--;
}
void print_phase_basetype(FILE *file, int indent, const char *local_var_prefix,
enum remoting_phase phase, enum pass pass, const var_t *var,
const char *varname)
{
type_t *type = var->type;
unsigned int size;
unsigned int alignment = 0;
const type_t *ref;
/* no work to do for other phases, buffer sizing is done elsewhere */
if (phase != PHASE_MARSHAL && phase != PHASE_UNMARSHAL)
return;
ref = is_ptr(type) ? type_pointer_get_ref(type) : type;
if (type_get_type(ref) == TYPE_ENUM)
{
if (get_enum_fc(ref) == RPC_FC_ENUM32)
{
size = 4;
alignment = 4;
}
else /* RPC_FC_ENUM16 */
{
size = 2;
alignment = 2;
}
}
else
{
switch (get_basic_fc(ref))
{
case RPC_FC_BYTE:
case RPC_FC_CHAR:
case RPC_FC_SMALL:
case RPC_FC_USMALL:
size = 1;
alignment = 1;
break;
case RPC_FC_WCHAR:
case RPC_FC_USHORT:
case RPC_FC_SHORT:
size = 2;
alignment = 2;
break;
case RPC_FC_ULONG:
case RPC_FC_LONG:
case RPC_FC_FLOAT:
case RPC_FC_ERROR_STATUS_T:
size = 4;
alignment = 4;
break;
case RPC_FC_HYPER:
case RPC_FC_DOUBLE:
size = 8;
alignment = 8;
break;
case RPC_FC_IGNORE:
case RPC_FC_BIND_PRIMITIVE:
/* no marshalling needed */
return;
default:
error("print_phase_basetype: Unsupported type: %s (0x%02x, ptr_level: 0)\n",
var->name, get_basic_fc(ref));
size = 0;
}
}
if (phase == PHASE_MARSHAL)
print_file(file, indent, "MIDL_memset(__frame->_StubMsg.Buffer, 0, (0x%x - (ULONG_PTR)__frame->_StubMsg.Buffer) & 0x%x);\n", alignment, alignment - 1);
print_file(file, indent, "__frame->_StubMsg.Buffer = (unsigned char *)(((ULONG_PTR)__frame->_StubMsg.Buffer + %u) & ~0x%x);\n",
alignment - 1, alignment - 1);
if (phase == PHASE_MARSHAL)
{
print_file(file, indent, "*(");
write_type_decl(file, is_ptr(type) ? type_pointer_get_ref(type) : type, NULL);
if (is_ptr(type))
fprintf(file, " *)__frame->_StubMsg.Buffer = *");
else
fprintf(file, " *)__frame->_StubMsg.Buffer = ");
fprintf(file, "%s%s", local_var_prefix, varname);
fprintf(file, ";\n");
}
else if (phase == PHASE_UNMARSHAL)
{
print_file(file, indent, "if (__frame->_StubMsg.Buffer + sizeof(");
write_type_decl(file, is_ptr(type) ? type_pointer_get_ref(type) : type, NULL);
fprintf(file, ") > __frame->_StubMsg.BufferEnd)\n");
print_file(file, indent, "{\n");
print_file(file, indent + 1, "RpcRaiseException(RPC_X_BAD_STUB_DATA);\n");
print_file(file, indent, "}\n");
print_file(file, indent, "%s%s%s",
(pass == PASS_IN || pass == PASS_RETURN) ? "" : "*",
local_var_prefix, varname);
if (pass == PASS_IN && is_ptr(type))
fprintf(file, " = (");
else
fprintf(file, " = *(");
write_type_decl(file, is_ptr(type) ? type_pointer_get_ref(type) : type, NULL);
fprintf(file, " *)__frame->_StubMsg.Buffer;\n");
}
print_file(file, indent, "__frame->_StubMsg.Buffer += sizeof(");
write_type_decl(file, is_ptr(type) ? type_pointer_get_ref(type) : type, NULL);
fprintf(file, ");\n");
}
/* returns whether the MaxCount, Offset or ActualCount members need to be
* filled in for the specified phase */
static inline int is_conformance_needed_for_phase(enum remoting_phase phase)
{
return (phase != PHASE_UNMARSHAL);
}
expr_t *get_size_is_expr(const type_t *t, const char *name)
{
expr_t *x = NULL;
for ( ; is_array(t); t = type_array_get_element(t))
if (type_array_has_conformance(t))
{
if (!x)
x = type_array_get_conformance(t);
else
error("%s: multidimensional conformant"
" arrays not supported at the top level\n",
name);
}
return x;
}
static void write_parameter_conf_or_var_exprs(FILE *file, int indent, const char *local_var_prefix,
enum remoting_phase phase, const var_t *var)
{
const type_t *type = var->type;
/* get fundamental type for the argument */
for (;;)
{
if (is_attr(type->attrs, ATTR_WIREMARSHAL))
break;
else if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
break;
else if (type_is_alias(type))
type = type_alias_get_aliasee(type);
else if (is_array(type))
{
if (is_conformance_needed_for_phase(phase) && is_array(type))
{
if (type_array_has_conformance(type))
{
print_file(file, indent, "__frame->_StubMsg.MaxCount = (ULONG_PTR)");
write_expr(file, type_array_get_conformance(type), 1, 1, NULL, NULL, local_var_prefix);
fprintf(file, ";\n\n");
}
if (type_array_has_variance(type))
{
print_file(file, indent, "__frame->_StubMsg.Offset = 0;\n"); /* FIXME */
print_file(file, indent, "__frame->_StubMsg.ActualCount = (ULONG_PTR)");
write_expr(file, type_array_get_variance(type), 1, 1, NULL, NULL, local_var_prefix);
fprintf(file, ";\n\n");
}
}
break;
}
else if (type_get_type(type) == TYPE_UNION)
{
if (is_conformance_needed_for_phase(phase))
{
print_file(file, indent, "__frame->_StubMsg.MaxCount = (ULONG_PTR)");
write_expr(file, get_attrp(var->attrs, ATTR_SWITCHIS), 1, 1, NULL, NULL, local_var_prefix);
fprintf(file, ";\n\n");
}
break;
}
else if (type_get_type(type) == TYPE_INTERFACE || is_void(type))
{
expr_t *iid;
if (is_conformance_needed_for_phase(phase) && (iid = get_attrp( var->attrs, ATTR_IIDIS )))
{
print_file( file, indent, "__frame->_StubMsg.MaxCount = (ULONG_PTR) " );
write_expr( file, iid, 1, 1, NULL, NULL, local_var_prefix );
fprintf( file, ";\n\n" );
}
break;
}
else if (is_ptr(type))
type = type_pointer_get_ref(type);
else
break;
}
}
static void write_remoting_arg(FILE *file, int indent, const var_t *func, const char *local_var_prefix,
enum pass pass, enum remoting_phase phase, const var_t *var)
{
int in_attr, out_attr, pointer_type;
const type_t *type = var->type;
unsigned int start_offset = type->typestring_offset;
if (is_ptr(type) || is_array(type))
pointer_type = get_pointer_fc(type, var->attrs, pass != PASS_RETURN);
else
pointer_type = 0;
in_attr = is_attr(var->attrs, ATTR_IN);
out_attr = is_attr(var->attrs, ATTR_OUT);
if (!in_attr && !out_attr)
in_attr = 1;
if (phase != PHASE_FREE)
switch (pass)
{
case PASS_IN:
if (!in_attr) return;
break;
case PASS_OUT:
if (!out_attr) return;
break;
case PASS_RETURN:
break;
}
write_parameter_conf_or_var_exprs(file, indent, local_var_prefix, phase, var);
switch (typegen_detect_type(type, var->attrs, TDT_ALL_TYPES))
{
case TGT_CTXT_HANDLE:
case TGT_CTXT_HANDLE_POINTER:
if (phase == PHASE_MARSHAL)
{
if (pass == PASS_IN)
{
/* if the context_handle attribute appears in the chain of types
* without pointers being followed, then the context handle must
* be direct, otherwise it is a pointer */
int is_ch_ptr = is_aliaschain_attr(type, ATTR_CONTEXTHANDLE) ? FALSE : TRUE;
print_file(file, indent, "NdrClientContextMarshall(\n");
print_file(file, indent + 1, "&__frame->_StubMsg,\n");
print_file(file, indent + 1, "(NDR_CCONTEXT)%s%s%s,\n", is_ch_ptr ? "*" : "", local_var_prefix, var->name);
print_file(file, indent + 1, "%s);\n", in_attr && out_attr ? "1" : "0");
}
else
{
print_file(file, indent, "NdrServerContextNewMarshall(\n");
print_file(file, indent + 1, "&__frame->_StubMsg,\n");
print_file(file, indent + 1, "(NDR_SCONTEXT)%s%s,\n", local_var_prefix, var->name);
print_file(file, indent + 1, "(NDR_RUNDOWN)%s_rundown,\n", get_context_handle_type_name(var->type));
print_file(file, indent + 1, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]);\n", start_offset);
}
}
else if (phase == PHASE_UNMARSHAL)
{
if (pass == PASS_OUT)
{
if (!in_attr)
print_file(file, indent, "*%s%s = 0;\n", local_var_prefix, var->name);
print_file(file, indent, "NdrClientContextUnmarshall(\n");
print_file(file, indent + 1, "&__frame->_StubMsg,\n");
print_file(file, indent + 1, "(NDR_CCONTEXT *)%s%s,\n", local_var_prefix, var->name);
print_file(file, indent + 1, "__frame->_Handle);\n");
}
else
{
print_file(file, indent, "%s%s = NdrServerContextNewUnmarshall(\n", local_var_prefix, var->name);
print_file(file, indent + 1, "&__frame->_StubMsg,\n");
print_file(file, indent + 1, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]);\n", start_offset);
}
}
break;
case TGT_USER_TYPE:
print_phase_function(file, indent, "UserMarshal", local_var_prefix, phase, var, start_offset);
break;
case TGT_STRING:
if (phase == PHASE_FREE || pass == PASS_RETURN ||
pointer_type != RPC_FC_RP)
{
if (pointer_type == RPC_FC_RP && phase == PHASE_FREE &&
!in_attr && is_conformant_array(type))
{
print_file(file, indent, "if (%s%s)\n", local_var_prefix, var->name);
indent++;
print_file(file, indent, "__frame->_StubMsg.pfnFree(%s%s);\n", local_var_prefix, var->name);
}
/* strings returned are assumed to be global and hence don't
* need freeing */
else if (is_declptr(type) &&
!(phase == PHASE_FREE && pass == PASS_RETURN))
print_phase_function(file, indent, "Pointer", local_var_prefix,
phase, var, start_offset);
}
else
{
unsigned int real_start_offset = start_offset;
/* skip over pointer description straight to string description */
if (is_declptr(type))
{
if (is_conformant_array(type))
real_start_offset += 4;
else
real_start_offset += 2;
}
if (is_array(type) && !is_conformant_array(type))
print_phase_function(file, indent, "NonConformantString",
local_var_prefix, phase, var,
real_start_offset);
else
print_phase_function(file, indent, "ConformantString", local_var_prefix,
phase, var, real_start_offset);
}
break;
case TGT_ARRAY:
{
unsigned char tc = get_array_fc(type);
const char *array_type = "FixedArray";
/* We already have the size_is expression since it's at the
top level, but do checks for multidimensional conformant
arrays. When we handle them, we'll need to extend this
function to return a list, and then we'll actually use
the return value. */
get_size_is_expr(type, var->name);
if (tc == RPC_FC_SMVARRAY || tc == RPC_FC_LGVARRAY)
{
array_type = "VaryingArray";
}
else if (tc == RPC_FC_CARRAY)
{
array_type = "ConformantArray";
}
else if (tc == RPC_FC_CVARRAY || tc == RPC_FC_BOGUS_ARRAY)
{
array_type = (tc == RPC_FC_BOGUS_ARRAY
? "ComplexArray"
: "ConformantVaryingArray");
}
if (pointer_type != RPC_FC_RP) array_type = "Pointer";
print_phase_function(file, indent, array_type, local_var_prefix, phase, var, start_offset);
if (phase == PHASE_FREE && pointer_type == RPC_FC_RP)
{
/* these are all unmarshalled by allocating memory */
if (tc == RPC_FC_BOGUS_ARRAY ||
tc == RPC_FC_CVARRAY ||
((tc == RPC_FC_SMVARRAY || tc == RPC_FC_LGVARRAY) && in_attr) ||
(tc == RPC_FC_CARRAY && !in_attr))
{
print_file(file, indent, "if (%s%s)\n", local_var_prefix, var->name);
indent++;
print_file(file, indent, "__frame->_StubMsg.pfnFree(%s%s);\n", local_var_prefix, var->name);
}
}
break;
}
case TGT_BASIC:
if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL)
print_phase_basetype(file, indent, local_var_prefix, phase, pass, var, var->name);
break;
case TGT_ENUM:
if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL)
{
if (phase == PHASE_MARSHAL)
print_file(file, indent, "NdrSimpleTypeMarshall(\n");
else
print_file(file, indent, "NdrSimpleTypeUnmarshall(\n");
print_file(file, indent+1, "&__frame->_StubMsg,\n");
print_file(file, indent+1, "(unsigned char *)&%s%s,\n",
local_var_prefix,
var->name);
print_file(file, indent+1, "0x%02x /* %s */);\n", get_enum_fc(type), string_of_type(get_enum_fc(type)));
}
break;
case TGT_STRUCT:
switch (get_struct_fc(type))
{
case RPC_FC_STRUCT:
if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL)
print_phase_function(file, indent, "SimpleStruct", local_var_prefix, phase, var, start_offset);
break;
case RPC_FC_PSTRUCT:
print_phase_function(file, indent, "SimpleStruct", local_var_prefix, phase, var, start_offset);
break;
case RPC_FC_CSTRUCT:
case RPC_FC_CPSTRUCT:
print_phase_function(file, indent, "ConformantStruct", local_var_prefix, phase, var, start_offset);
break;
case RPC_FC_CVSTRUCT:
print_phase_function(file, indent, "ConformantVaryingStruct", local_var_prefix, phase, var, start_offset);
break;
case RPC_FC_BOGUS_STRUCT:
print_phase_function(file, indent, "ComplexStruct", local_var_prefix, phase, var, start_offset);
break;
default:
error("write_remoting_arguments: Unsupported type: %s (0x%02x)\n", var->name, get_struct_fc(type));
}
break;
case TGT_UNION:
{
const char *union_type = NULL;
if (type_get_type(type) == TYPE_UNION)
union_type = "NonEncapsulatedUnion";
else if (type_get_type(type) == TYPE_ENCAPSULATED_UNION)
union_type = "EncapsulatedUnion";
print_phase_function(file, indent, union_type, local_var_prefix,
phase, var, start_offset);
break;
}
case TGT_POINTER:
{
const type_t *ref = type_pointer_get_ref(type);
if (pointer_type == RPC_FC_RP && !is_user_type(ref)) switch (type_get_type(ref))
{
case TYPE_BASIC:
/* base types have known sizes, so don't need a sizing pass
* and don't have any memory to free and so don't need a
* freeing pass */
if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL)
print_phase_basetype(file, indent, local_var_prefix, phase, pass, var, var->name);
break;
case TYPE_ENUM:
/* base types have known sizes, so don't need a sizing pass
* and don't have any memory to free and so don't need a
* freeing pass */
if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL)
print_phase_function(file, indent, "Pointer", local_var_prefix, phase, var, start_offset);
break;
case TYPE_STRUCT:
{
const char *struct_type = NULL;
switch (get_struct_fc(ref))
{
case RPC_FC_STRUCT:
/* simple structs have known sizes, so don't need a sizing
* pass and don't have any memory to free and so don't
* need a freeing pass */
if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL)
struct_type = "SimpleStruct";
else if (phase == PHASE_FREE && pass == PASS_RETURN)
{
print_file(file, indent, "if (%s%s)\n", local_var_prefix, var->name);
indent++;
print_file(file, indent, "__frame->_StubMsg.pfnFree(%s%s);\n", local_var_prefix, var->name);
indent--;
}
break;
case RPC_FC_PSTRUCT:
struct_type = "SimpleStruct";
break;
case RPC_FC_CSTRUCT:
case RPC_FC_CPSTRUCT:
struct_type = "ConformantStruct";
break;
case RPC_FC_CVSTRUCT:
struct_type = "ConformantVaryingStruct";
break;
case RPC_FC_BOGUS_STRUCT:
struct_type = "ComplexStruct";
break;
default:
error("write_remoting_arguments: Unsupported type: %s (0x%02x)\n", var->name, get_struct_fc(ref));
}
if (struct_type)
{
if (phase == PHASE_FREE)
struct_type = "Pointer";
else
start_offset = ref->typestring_offset;
print_phase_function(file, indent, struct_type, local_var_prefix, phase, var, start_offset);
}
break;
}
case TYPE_UNION:
case TYPE_ENCAPSULATED_UNION:
{
const char *union_type = NULL;
if (phase == PHASE_FREE)
union_type = "Pointer";
else
{
if (type_get_type(ref) == TYPE_UNION)
union_type = "NonEncapsulatedUnion";
else if (type_get_type(ref) == TYPE_ENCAPSULATED_UNION)
union_type = "EncapsulatedUnion";
start_offset = ref->typestring_offset;
}
print_phase_function(file, indent, union_type, local_var_prefix,
phase, var, start_offset);
break;
}
case TYPE_POINTER:
case TYPE_ARRAY:
print_phase_function(file, indent, "Pointer", local_var_prefix, phase, var, start_offset);
break;
case TYPE_VOID:
case TYPE_ALIAS:
case TYPE_MODULE:
case TYPE_COCLASS:
case TYPE_FUNCTION:
case TYPE_INTERFACE:
assert(0);
break;
}
else
print_phase_function(file, indent, "Pointer", local_var_prefix, phase, var, start_offset);
break;
}
case TGT_IFACE_POINTER:
print_phase_function(file, indent, "InterfacePointer", local_var_prefix, phase, var, start_offset);
break;
case TGT_INVALID:
assert(0);
break;
}
fprintf(file, "\n");
}
void write_remoting_arguments(FILE *file, int indent, const var_t *func, const char *local_var_prefix,
enum pass pass, enum remoting_phase phase)
{
if (phase == PHASE_BUFFERSIZE && pass != PASS_RETURN)
{
unsigned int size = get_function_buffer_size( func, pass );
print_file(file, indent, "__frame->_StubMsg.BufferLength = %u;\n", size);
}
if (pass == PASS_RETURN)
{
var_t var;
var = *func;
var.type = type_function_get_rettype(func->type);
var.name = xstrdup( "_RetVal" );
write_remoting_arg( file, indent, func, local_var_prefix, pass, phase, &var );
free( var.name );
}
else
{
const var_t *var;
if (!type_get_function_args(func->type))
return;
LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
write_remoting_arg( file, indent, func, local_var_prefix, pass, phase, var );
}
}
unsigned int get_size_procformatstring_type(const char *name, const type_t *type, const attr_list_t *attrs)
{
return write_procformatstring_type(NULL, 0, name, type, attrs, FALSE);
}
unsigned int get_size_procformatstring_func(const var_t *func)
{
const var_t *var;
unsigned int size = 0;
/* argument list size */
if (type_get_function_args(func->type))
LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
size += get_size_procformatstring_type(var->name, var->type, var->attrs);
/* return value size */
if (is_void(type_function_get_rettype(func->type)))
size += 2; /* FC_END and FC_PAD */
else
size += get_size_procformatstring_type("return value", type_function_get_rettype(func->type), NULL);
return size;
}
unsigned int get_size_procformatstring(const statement_list_t *stmts, type_pred_t pred)
{
const statement_t *stmt;
unsigned int size = 1;
if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
{
const type_t *iface;
const statement_t *stmt_func;
if (stmt->type == STMT_LIBRARY)
{
size += get_size_procformatstring(stmt->u.lib->stmts, pred) - 1;
continue;
}
else if (stmt->type != STMT_TYPE || type_get_type(stmt->u.type) != TYPE_INTERFACE)
continue;
iface = stmt->u.type;
if (!pred(iface))
continue;
STATEMENTS_FOR_EACH_FUNC( stmt_func, type_iface_get_stmts(iface) )
{
const var_t *func = stmt_func->u.var;
if (!is_local(func->attrs))
size += get_size_procformatstring_func( func );
}
}
return size;
}
unsigned int get_size_typeformatstring(const statement_list_t *stmts, type_pred_t pred)
{
set_all_tfswrite(FALSE);
return process_tfs(NULL, stmts, pred);
}
void declare_stub_args( FILE *file, int indent, const var_t *func )
{
int in_attr, out_attr;
int i = 0;
const var_t *var;
/* declare return value '_RetVal' */
if (!is_void(type_function_get_rettype(func->type)))
{
print_file(file, indent, "%s", "");
write_type_decl_left(file, type_function_get_rettype(func->type));
fprintf(file, " _RetVal;\n");
}
if (!type_get_function_args(func->type))
return;
LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
{
in_attr = is_attr(var->attrs, ATTR_IN);
out_attr = is_attr(var->attrs, ATTR_OUT);
if (!out_attr && !in_attr)
in_attr = 1;
if (is_context_handle(var->type))
print_file(file, indent, "NDR_SCONTEXT %s;\n", var->name);
else
{
if (!in_attr && !is_conformant_array(var->type))
{
type_t *type_to_print;
char name[16];
print_file(file, indent, "%s", "");
if (type_get_type(var->type) == TYPE_ARRAY &&
!type_array_is_decl_as_ptr(var->type))
type_to_print = var->type;
else
type_to_print = type_pointer_get_ref(var->type);
sprintf(name, "_W%u", i++);
write_type_decl(file, type_to_print, name);
fprintf(file, ";\n");
}
print_file(file, indent, "%s", "");
write_type_decl_left(file, var->type);
fprintf(file, " ");
if (type_get_type(var->type) == TYPE_ARRAY &&
!type_array_is_decl_as_ptr(var->type)) {
fprintf(file, "(*%s)", var->name);
} else
fprintf(file, "%s", var->name);
write_type_right(file, var->type, FALSE);
fprintf(file, ";\n");
if (decl_indirect(var->type))
print_file(file, indent, "void *_p_%s;\n", var->name);
}
}
}
void assign_stub_out_args( FILE *file, int indent, const var_t *func, const char *local_var_prefix )
{
int in_attr, out_attr;
int i = 0, sep = 0;
const var_t *var;
if (!type_get_function_args(func->type))
return;
LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
{
in_attr = is_attr(var->attrs, ATTR_IN);
out_attr = is_attr(var->attrs, ATTR_OUT);
if (!out_attr && !in_attr)
in_attr = 1;
if (!in_attr)
{
print_file(file, indent, "%s%s", local_var_prefix, var->name);
if (is_context_handle(var->type))
{
fprintf(file, " = NdrContextHandleInitialize(\n");
print_file(file, indent + 1, "&__frame->_StubMsg,\n");
print_file(file, indent + 1, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]);\n",
var->type->typestring_offset);
}
else if (is_array(var->type) &&
type_array_has_conformance(var->type))
{
unsigned int size, align = 0;
type_t *type = var->type;
fprintf(file, " = NdrAllocate(&__frame->_StubMsg, ");
for ( ;
is_array(type) && type_array_has_conformance(type);
type = type_array_get_element(type))
{
write_expr(file, type_array_get_conformance(type), TRUE,
TRUE, NULL, NULL, local_var_prefix);
fprintf(file, " * ");
}
size = type_memsize(type, &align);
fprintf(file, "%u);\n", size);
}
else
{
fprintf(file, " = &%s_W%u;\n", local_var_prefix, i);
switch (typegen_detect_type(type_pointer_get_ref(var->type), var->attrs, TDT_IGNORE_STRINGS))
{
case TGT_BASIC:
case TGT_ENUM:
case TGT_POINTER:
print_file(file, indent, "%s_W%u = 0;\n", local_var_prefix, i);
break;
case TGT_STRUCT:
case TGT_UNION:
case TGT_USER_TYPE:
case TGT_IFACE_POINTER:
case TGT_ARRAY:
case TGT_CTXT_HANDLE:
case TGT_CTXT_HANDLE_POINTER:
case TGT_INVALID:
case TGT_STRING:
/* not initialised */
break;
}
i++;
}
sep = 1;
}
}
if (sep)
fprintf(file, "\n");
}
int write_expr_eval_routines(FILE *file, const char *iface)
{
static const char *var_name = "pS";
static const char *var_name_expr = "pS->";
int result = 0;
struct expr_eval_routine *eval;
unsigned short callback_offset = 0;
LIST_FOR_EACH_ENTRY(eval, &expr_eval_routines, struct expr_eval_routine, entry)
{
const char *name = eval->structure->name;
result = 1;
print_file(file, 0, "static void __RPC_USER %s_%sExprEval_%04u(PMIDL_STUB_MESSAGE pStubMsg)\n",
iface, name, callback_offset);
print_file(file, 0, "{\n");
print_file (file, 1, "%s *%s = (%s *)(pStubMsg->StackTop - %u);\n",
name, var_name, name, eval->baseoff);
print_file(file, 1, "pStubMsg->Offset = 0;\n"); /* FIXME */
print_file(file, 1, "pStubMsg->MaxCount = (ULONG_PTR)");
write_expr(file, eval->expr, 1, 1, var_name_expr, eval->structure, "");
fprintf(file, ";\n");
print_file(file, 0, "}\n\n");
callback_offset++;
}
return result;
}
void write_expr_eval_routine_list(FILE *file, const char *iface)
{
struct expr_eval_routine *eval;
struct expr_eval_routine *cursor;
unsigned short callback_offset = 0;
fprintf(file, "static const EXPR_EVAL ExprEvalRoutines[] =\n");
fprintf(file, "{\n");
LIST_FOR_EACH_ENTRY_SAFE(eval, cursor, &expr_eval_routines, struct expr_eval_routine, entry)
{
const char *name = eval->structure->name;
print_file(file, 1, "%s_%sExprEval_%04u,\n", iface, name, callback_offset);
callback_offset++;
list_remove(&eval->entry);
free(eval);
}
fprintf(file, "};\n\n");
}
void write_user_quad_list(FILE *file)
{
user_type_t *ut;
if (list_empty(&user_type_list))
return;
fprintf(file, "static const USER_MARSHAL_ROUTINE_QUADRUPLE UserMarshalRoutines[] =\n");
fprintf(file, "{\n");
LIST_FOR_EACH_ENTRY(ut, &user_type_list, user_type_t, entry)
{
const char *sep = &ut->entry == list_tail(&user_type_list) ? "" : ",";
print_file(file, 1, "{\n");
print_file(file, 2, "(USER_MARSHAL_SIZING_ROUTINE)%s_UserSize,\n", ut->name);
print_file(file, 2, "(USER_MARSHAL_MARSHALLING_ROUTINE)%s_UserMarshal,\n", ut->name);
print_file(file, 2, "(USER_MARSHAL_UNMARSHALLING_ROUTINE)%s_UserUnmarshal,\n", ut->name);
print_file(file, 2, "(USER_MARSHAL_FREEING_ROUTINE)%s_UserFree\n", ut->name);
print_file(file, 1, "}%s\n", sep);
}
fprintf(file, "};\n\n");
}
void write_endpoints( FILE *f, const char *prefix, const str_list_t *list )
{
const struct str_list_entry_t *endpoint;
const char *p;
/* this should be an array of RPC_PROTSEQ_ENDPOINT but we want const strings */
print_file( f, 0, "static const unsigned char * const %s__RpcProtseqEndpoint[][2] =\n{\n", prefix );
LIST_FOR_EACH_ENTRY( endpoint, list, const struct str_list_entry_t, entry )
{
print_file( f, 1, "{ (const unsigned char *)\"" );
for (p = endpoint->str; *p && *p != ':'; p++)
{
if (*p == '"' || *p == '\\') fputc( '\\', f );
fputc( *p, f );
}
if (!*p) goto error;
if (p[1] != '[') goto error;
fprintf( f, "\", (const unsigned char *)\"" );
for (p += 2; *p && *p != ']'; p++)
{
if (*p == '"' || *p == '\\') fputc( '\\', f );
fputc( *p, f );
}
if (*p != ']') goto error;
fprintf( f, "\" },\n" );
}
print_file( f, 0, "};\n\n" );
return;
error:
error("Invalid endpoint syntax '%s'\n", endpoint->str);
}
void write_exceptions( FILE *file )
{
fprintf( file, "#ifndef USE_COMPILER_EXCEPTIONS\n");
fprintf( file, "\n");
fprintf( file, "#include \"wine/exception.h\"\n");
fprintf( file, "#undef RpcTryExcept\n");
fprintf( file, "#undef RpcExcept\n");
fprintf( file, "#undef RpcEndExcept\n");
fprintf( file, "#undef RpcTryFinally\n");
fprintf( file, "#undef RpcFinally\n");
fprintf( file, "#undef RpcEndFinally\n");
fprintf( file, "#undef RpcExceptionCode\n");
fprintf( file, "#undef RpcAbnormalTermination\n");
fprintf( file, "\n");
fprintf( file, "struct __exception_frame;\n");
fprintf( file, "typedef int (*__filter_func)(EXCEPTION_RECORD *, struct __exception_frame *);\n");
fprintf( file, "typedef void (*__finally_func)(struct __exception_frame *);\n");
fprintf( file, "\n");
fprintf( file, "#define __DECL_EXCEPTION_FRAME \\\n");
fprintf( file, " EXCEPTION_REGISTRATION_RECORD frame; \\\n");
fprintf( file, " __filter_func filter; \\\n");
fprintf( file, " __finally_func finally; \\\n");
fprintf( file, " sigjmp_buf jmp; \\\n");
fprintf( file, " DWORD code; \\\n");
fprintf( file, " unsigned char abnormal_termination; \\\n");
fprintf( file, " unsigned char filter_level; \\\n");
fprintf( file, " unsigned char finally_level;\n");
fprintf( file, "\n");
fprintf( file, "struct __exception_frame\n{\n");
fprintf( file, " __DECL_EXCEPTION_FRAME\n");
fprintf( file, "};\n");
fprintf( file, "\n");
fprintf( file, "static inline void __widl_unwind_target(void)\n" );
fprintf( file, "{\n");
fprintf( file, " struct __exception_frame *exc_frame = (struct __exception_frame *)__wine_get_frame();\n" );
fprintf( file, " if (exc_frame->finally_level > exc_frame->filter_level)\n" );
fprintf( file, " {\n");
fprintf( file, " exc_frame->abnormal_termination = 1;\n");
fprintf( file, " exc_frame->finally( exc_frame );\n");
fprintf( file, " __wine_pop_frame( &exc_frame->frame );\n");
fprintf( file, " }\n");
fprintf( file, " exc_frame->filter_level = 0;\n");
fprintf( file, " siglongjmp( exc_frame->jmp, 1 );\n");
fprintf( file, "}\n");
fprintf( file, "\n");
fprintf( file, "static DWORD __widl_exception_handler( EXCEPTION_RECORD *record,\n");
fprintf( file, " EXCEPTION_REGISTRATION_RECORD *frame,\n");
fprintf( file, " CONTEXT *context,\n");
fprintf( file, " EXCEPTION_REGISTRATION_RECORD **pdispatcher )\n");
fprintf( file, "{\n");
fprintf( file, " struct __exception_frame *exc_frame = (struct __exception_frame *)frame;\n");
fprintf( file, "\n");
fprintf( file, " if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND | EH_NESTED_CALL))\n");
fprintf( file, " {\n" );
fprintf( file, " if (exc_frame->finally_level && (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND)))\n");
fprintf( file, " {\n" );
fprintf( file, " exc_frame->abnormal_termination = 1;\n");
fprintf( file, " exc_frame->finally( exc_frame );\n");
fprintf( file, " }\n" );
fprintf( file, " return ExceptionContinueSearch;\n");
fprintf( file, " }\n" );
fprintf( file, " exc_frame->code = record->ExceptionCode;\n");
fprintf( file, " if (exc_frame->filter_level && exc_frame->filter( record, exc_frame ) == EXCEPTION_EXECUTE_HANDLER)\n" );
fprintf( file, " __wine_rtl_unwind( frame, record, __widl_unwind_target );\n");
fprintf( file, " return ExceptionContinueSearch;\n");
fprintf( file, "}\n");
fprintf( file, "\n");
fprintf( file, "#define RpcTryExcept \\\n");
fprintf( file, " if (!sigsetjmp( __frame->jmp, 0 )) \\\n");
fprintf( file, " { \\\n");
fprintf( file, " if (!__frame->finally_level) \\\n" );
fprintf( file, " __wine_push_frame( &__frame->frame ); \\\n");
fprintf( file, " __frame->filter_level = __frame->finally_level + 1;\n" );
fprintf( file, "\n");
fprintf( file, "#define RpcExcept(expr) \\\n");
fprintf( file, " if (!__frame->finally_level) \\\n" );
fprintf( file, " __wine_pop_frame( &__frame->frame ); \\\n");
fprintf( file, " __frame->filter_level = 0; \\\n" );
fprintf( file, " } \\\n");
fprintf( file, " else \\\n");
fprintf( file, "\n");
fprintf( file, "#define RpcEndExcept\n");
fprintf( file, "\n");
fprintf( file, "#define RpcExceptionCode() (__frame->code)\n");
fprintf( file, "\n");
fprintf( file, "#define RpcTryFinally \\\n");
fprintf( file, " if (!__frame->filter_level) \\\n");
fprintf( file, " __wine_push_frame( &__frame->frame ); \\\n");
fprintf( file, " __frame->finally_level = __frame->filter_level + 1;\n");
fprintf( file, "\n");
fprintf( file, "#define RpcFinally \\\n");
fprintf( file, " if (!__frame->filter_level) \\\n");
fprintf( file, " __wine_pop_frame( &__frame->frame ); \\\n");
fprintf( file, " __frame->finally_level = 0;\n");
fprintf( file, "\n");
fprintf( file, "#define RpcEndFinally\n");
fprintf( file, "\n");
fprintf( file, "#define RpcAbnormalTermination() (__frame->abnormal_termination)\n");
fprintf( file, "\n");
fprintf( file, "#define RpcExceptionInit(filter_func,finally_func) \\\n");
fprintf( file, " do { \\\n");
fprintf( file, " __frame->frame.Handler = __widl_exception_handler; \\\n");
fprintf( file, " __frame->filter = (__filter_func)(filter_func); \\\n" );
fprintf( file, " __frame->finally = (__finally_func)(finally_func); \\\n");
fprintf( file, " __frame->abnormal_termination = 0; \\\n");
fprintf( file, " __frame->filter_level = 0; \\\n");
fprintf( file, " __frame->finally_level = 0; \\\n");
fprintf( file, " } while (0)\n");
fprintf( file, "\n");
fprintf( file, "#else /* USE_COMPILER_EXCEPTIONS */\n");
fprintf( file, "\n");
fprintf( file, "#define RpcExceptionInit(filter_func,finally_func) \\\n");
fprintf( file, " do { (void)(filter_func); } while(0)\n");
fprintf( file, "\n");
fprintf( file, "#define __DECL_EXCEPTION_FRAME \\\n");
fprintf( file, " DWORD code;\n");
fprintf( file, "\n");
fprintf( file, "#endif /* USE_COMPILER_EXCEPTIONS */\n");
}
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