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Sweden-Number/tools/widl/header.c

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/*
* IDL Compiler
*
* Copyright 2002 Ove Kaaven
*
* 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 <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <string.h>
#include <ctype.h>
#include "widl.h"
#include "utils.h"
#include "parser.h"
#include "header.h"
#include "expr.h"
typedef struct _user_type_t generic_handle_t;
static int indentation = 0;
user_type_list_t user_type_list = LIST_INIT(user_type_list);
static context_handle_list_t context_handle_list = LIST_INIT(context_handle_list);
static struct list generic_handle_list = LIST_INIT(generic_handle_list);
static void indent(FILE *h, int delta)
{
int c;
if (delta < 0) indentation += delta;
for (c=0; c<indentation; c++) fprintf(h, " ");
if (delta > 0) indentation += delta;
}
int is_ptrchain_attr(const var_t *var, enum attr_type t)
{
if (is_attr(var->attrs, t))
return 1;
else
{
type_t *type = var->type;
for (;;)
{
if (is_attr(type->attrs, t))
return 1;
else if (type->kind == TKIND_ALIAS)
type = type->orig;
else if (is_ptr(type))
type = type->ref;
else return 0;
}
}
}
int is_aliaschain_attr(const type_t *type, enum attr_type attr)
{
const type_t *t = type;
for (;;)
{
if (is_attr(t->attrs, attr))
return 1;
else if (t->kind == TKIND_ALIAS)
t = t->orig;
else return 0;
}
}
int is_attr(const attr_list_t *list, enum attr_type t)
{
const attr_t *attr;
if (list) LIST_FOR_EACH_ENTRY( attr, list, const attr_t, entry )
if (attr->type == t) return 1;
return 0;
}
void *get_attrp(const attr_list_t *list, enum attr_type t)
{
const attr_t *attr;
if (list) LIST_FOR_EACH_ENTRY( attr, list, const attr_t, entry )
if (attr->type == t) return attr->u.pval;
return NULL;
}
unsigned long get_attrv(const attr_list_t *list, enum attr_type t)
{
const attr_t *attr;
if (list) LIST_FOR_EACH_ENTRY( attr, list, const attr_t, entry )
if (attr->type == t) return attr->u.ival;
return 0;
}
int is_void(const type_t *t)
{
if (!t->type && !t->ref) return 1;
return 0;
}
int is_conformant_array(const type_t *t)
{
return t->type == RPC_FC_CARRAY
|| t->type == RPC_FC_CVARRAY
|| (t->type == RPC_FC_BOGUS_ARRAY && t->size_is);
}
void write_guid(FILE *f, const char *guid_prefix, const char *name, const UUID *uuid)
{
if (!uuid) return;
fprintf(f, "DEFINE_GUID(%s_%s, 0x%08x, 0x%04x, 0x%04x, 0x%02x,0x%02x, 0x%02x,"
"0x%02x,0x%02x,0x%02x,0x%02x,0x%02x);\n",
guid_prefix, name, uuid->Data1, uuid->Data2, uuid->Data3, uuid->Data4[0],
uuid->Data4[1], uuid->Data4[2], uuid->Data4[3], uuid->Data4[4], uuid->Data4[5],
uuid->Data4[6], uuid->Data4[7]);
}
void write_name(FILE *h, const var_t *v)
{
if (is_attr( v->attrs, ATTR_PROPGET ))
fprintf(h, "get_" );
else if (is_attr( v->attrs, ATTR_PROPPUT ))
fprintf(h, "put_" );
else if (is_attr( v->attrs, ATTR_PROPPUTREF ))
fprintf(h, "putref_" );
fprintf(h, "%s", v->name);
}
void write_prefix_name(FILE *h, const char *prefix, const var_t *v)
{
fprintf(h, "%s", prefix);
write_name(h, v);
}
static void write_field(FILE *h, var_t *v)
{
if (!v) return;
if (v->type) {
const char *name = v->name;
if (name == NULL) {
switch (v->type->type) {
case RPC_FC_STRUCT:
case RPC_FC_CVSTRUCT:
case RPC_FC_CPSTRUCT:
case RPC_FC_CSTRUCT:
case RPC_FC_PSTRUCT:
case RPC_FC_BOGUS_STRUCT:
case RPC_FC_ENCAPSULATED_UNION:
name = "DUMMYSTRUCTNAME";
break;
case RPC_FC_NON_ENCAPSULATED_UNION:
name = "DUMMYUNIONNAME";
break;
default:
/* ? */
break;
}
}
indent(h, 0);
write_type_def_or_decl(h, v->type, TRUE, "%s", name);
fprintf(h, ";\n");
}
}
static void write_fields(FILE *h, var_list_t *fields)
{
var_t *v;
if (!fields) return;
LIST_FOR_EACH_ENTRY( v, fields, var_t, entry ) write_field(h, v);
}
static void write_enums(FILE *h, var_list_t *enums)
{
var_t *v;
if (!enums) return;
LIST_FOR_EACH_ENTRY( v, enums, var_t, entry )
{
if (v->name) {
indent(h, 0);
write_name(h, v);
if (v->eval) {
fprintf(h, " = ");
write_expr(h, v->eval, 0, 1, NULL, NULL);
}
}
if (list_next( enums, &v->entry )) fprintf(h, ",\n");
}
fprintf(h, "\n");
}
int needs_space_after(type_t *t)
{
return (t->kind == TKIND_ALIAS
|| (!is_ptr(t) && (!is_conformant_array(t) || t->declarray)));
}
void write_type_left(FILE *h, type_t *t, int declonly)
{
if (!h) return;
if (is_attr(t->attrs, ATTR_CONST) &&
(t->kind == TKIND_ALIAS || t->declarray || !is_ptr(t)))
fprintf(h, "const ");
if (t->kind == TKIND_ALIAS) fprintf(h, "%s", t->name);
else if (t->declarray) write_type_left(h, t->ref, declonly);
else {
if (t->sign > 0) fprintf(h, "signed ");
else if (t->sign < 0) fprintf(h, "unsigned ");
switch (t->type) {
case RPC_FC_ENUM16:
case RPC_FC_ENUM32:
if (!declonly && t->defined && !t->written && !t->ignore) {
if (t->name) fprintf(h, "enum %s {\n", t->name);
else fprintf(h, "enum {\n");
t->written = TRUE;
indentation++;
write_enums(h, t->fields_or_args);
indent(h, -1);
fprintf(h, "}");
}
else fprintf(h, "enum %s", t->name ? t->name : "");
break;
case RPC_FC_STRUCT:
case RPC_FC_CVSTRUCT:
case RPC_FC_CPSTRUCT:
case RPC_FC_CSTRUCT:
case RPC_FC_PSTRUCT:
case RPC_FC_BOGUS_STRUCT:
case RPC_FC_ENCAPSULATED_UNION:
if (!declonly && t->defined && !t->written && !t->ignore) {
if (t->name) fprintf(h, "struct %s {\n", t->name);
else fprintf(h, "struct {\n");
t->written = TRUE;
indentation++;
write_fields(h, t->fields_or_args);
indent(h, -1);
fprintf(h, "}");
}
else fprintf(h, "struct %s", t->name ? t->name : "");
break;
case RPC_FC_NON_ENCAPSULATED_UNION:
if (!declonly && t->defined && !t->written && !t->ignore) {
if (t->name) fprintf(h, "union %s {\n", t->name);
else fprintf(h, "union {\n");
t->written = TRUE;
indentation++;
write_fields(h, t->fields_or_args);
indent(h, -1);
fprintf(h, "}");
}
else fprintf(h, "union %s", t->name ? t->name : "");
break;
case RPC_FC_RP:
case RPC_FC_UP:
case RPC_FC_FP:
case RPC_FC_OP:
case RPC_FC_CARRAY:
case RPC_FC_CVARRAY:
case RPC_FC_BOGUS_ARRAY:
write_type_left(h, t->ref, declonly);
fprintf(h, "%s*", needs_space_after(t->ref) ? " " : "");
if (is_ptr(t) && is_attr(t->attrs, ATTR_CONST)) fprintf(h, "const ");
break;
default:
fprintf(h, "%s", t->name);
}
}
}
void write_type_right(FILE *h, type_t *t, int is_field)
{
if (!h) return;
if (t->declarray) {
if (is_conformant_array(t)) {
fprintf(h, "[%s]", is_field ? "1" : "");
t = t->ref;
}
for ( ; t->declarray; t = t->ref)
fprintf(h, "[%lu]", t->dim);
}
}
void write_type_v(FILE *h, type_t *t, int is_field, int declonly,
const char *fmt, va_list args)
{
type_t *pt;
int ptr_level = 0;
if (!h) return;
for (pt = t; is_ptr(pt); pt = pt->ref, ptr_level++)
;
if (pt->type == RPC_FC_FUNCTION) {
int i;
const char *callconv = get_attrp(pt->attrs, ATTR_CALLCONV);
if (!callconv) callconv = "";
if (is_attr(pt->attrs, ATTR_INLINE)) fprintf(h, "inline ");
write_type_left(h, pt->ref, declonly);
fputc(' ', h);
if (ptr_level) fputc('(', h);
fprintf(h, "%s ", callconv);
for (i = 0; i < ptr_level; i++)
fputc('*', h);
} else
write_type_left(h, t, declonly);
if (fmt) {
if (needs_space_after(t))
fputc(' ', h);
vfprintf(h, fmt, args);
}
if (pt->type == RPC_FC_FUNCTION) {
if (ptr_level) fputc(')', h);
fputc('(', h);
write_args(h, pt->fields_or_args, NULL, 0, FALSE);
fputc(')', h);
} else
write_type_right(h, t, is_field);
}
void write_type_def_or_decl(FILE *f, type_t *t, int field, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
write_type_v(f, t, field, FALSE, fmt, args);
va_end(args);
}
void write_type_decl(FILE *f, type_t *t, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
write_type_v(f, t, FALSE, TRUE, fmt, args);
va_end(args);
}
void write_type_decl_left(FILE *f, type_t *t)
{
write_type_left(f, t, TRUE);
}
static int user_type_registered(const char *name)
{
user_type_t *ut;
LIST_FOR_EACH_ENTRY(ut, &user_type_list, user_type_t, entry)
if (!strcmp(name, ut->name))
return 1;
return 0;
}
static int context_handle_registered(const char *name)
{
context_handle_t *ch;
LIST_FOR_EACH_ENTRY(ch, &context_handle_list, context_handle_t, entry)
if (!strcmp(name, ch->name))
return 1;
return 0;
}
static int generic_handle_registered(const char *name)
{
generic_handle_t *gh;
LIST_FOR_EACH_ENTRY(gh, &generic_handle_list, generic_handle_t, entry)
if (!strcmp(name, gh->name))
return 1;
return 0;
}
/* check for types which require additional prototypes to be generated in the
* header */
void check_for_additional_prototype_types(const var_list_t *list)
{
const var_t *v;
if (!list) return;
LIST_FOR_EACH_ENTRY( v, list, const var_t, entry )
{
type_t *type;
for (type = v->type; type; type = type->kind == TKIND_ALIAS ? type->orig : type->ref) {
const char *name = type->name;
if (type->user_types_registered) continue;
type->user_types_registered = 1;
if (is_attr(type->attrs, ATTR_CONTEXTHANDLE)) {
if (!context_handle_registered(name))
{
context_handle_t *ch = xmalloc(sizeof(*ch));
ch->name = xstrdup(name);
list_add_tail(&context_handle_list, &ch->entry);
}
/* don't carry on parsing fields within this type */
break;
}
if (type->type != RPC_FC_BIND_PRIMITIVE && is_attr(type->attrs, ATTR_HANDLE)) {
if (!generic_handle_registered(name))
{
generic_handle_t *gh = xmalloc(sizeof(*gh));
gh->name = xstrdup(name);
list_add_tail(&generic_handle_list, &gh->entry);
}
/* don't carry on parsing fields within this type */
break;
}
if (is_attr(type->attrs, ATTR_WIREMARSHAL)) {
if (!user_type_registered(name))
{
user_type_t *ut = xmalloc(sizeof *ut);
ut->name = xstrdup(name);
list_add_tail(&user_type_list, &ut->entry);
}
/* don't carry on parsing fields within this type as we are already
* using a wire marshaled type */
break;
}
else
{
check_for_additional_prototype_types(type->fields_or_args);
}
}
}
}
void write_user_types(void)
{
user_type_t *ut;
LIST_FOR_EACH_ENTRY(ut, &user_type_list, user_type_t, entry)
{
const char *name = ut->name;
fprintf(header, "ULONG __RPC_USER %s_UserSize (ULONG *, ULONG, %s *);\n", name, name);
fprintf(header, "unsigned char * __RPC_USER %s_UserMarshal (ULONG *, unsigned char *, %s *);\n", name, name);
fprintf(header, "unsigned char * __RPC_USER %s_UserUnmarshal(ULONG *, unsigned char *, %s *);\n", name, name);
fprintf(header, "void __RPC_USER %s_UserFree (ULONG *, %s *);\n", name, name);
}
}
void write_context_handle_rundowns(void)
{
context_handle_t *ch;
LIST_FOR_EACH_ENTRY(ch, &context_handle_list, context_handle_t, entry)
{
const char *name = ch->name;
fprintf(header, "void __RPC_USER %s_rundown(%s);\n", name, name);
}
}
void write_generic_handle_routines(void)
{
generic_handle_t *gh;
LIST_FOR_EACH_ENTRY(gh, &generic_handle_list, generic_handle_t, entry)
{
const char *name = gh->name;
fprintf(header, "handle_t __RPC_USER %s_bind(%s);\n", name, name);
fprintf(header, "void __RPC_USER %s_unbind(%s, handle_t);\n", name, name);
}
}
void write_typedef(type_t *type)
{
fprintf(header, "typedef ");
write_type_def_or_decl(header, type->orig, FALSE, "%s", type->name);
fprintf(header, ";\n");
}
int is_const_decl(const var_t *var)
{
const type_t *t;
/* strangely, MIDL accepts a const attribute on any pointer in the
* declaration to mean that data isn't being instantiated. this appears
* to be a bug, but there is no benefit to being incompatible with MIDL,
* so we'll do the same thing */
for (t = var->type; ; )
{
if (is_attr(t->attrs, ATTR_CONST))
return TRUE;
else if (is_ptr(t))
t = t->ref;
else break;
}
return FALSE;
}
void write_declaration(const var_t *v, int is_in_interface)
{
if (is_const_decl(v) && v->eval)
{
fprintf(header, "#define %s (", v->name);
write_expr(header, v->eval, 0, 1, NULL, NULL);
fprintf(header, ")\n\n");
}
else if (v->type->type != RPC_FC_FUNCTION || !is_in_interface)
{
switch (v->stgclass)
{
case STG_NONE:
case STG_REGISTER: /* ignored */
break;
case STG_STATIC:
fprintf(header, "static ");
break;
case STG_EXTERN:
fprintf(header, "extern ");
break;
}
write_type_def_or_decl(header, v->type, FALSE, "%s", v->name);
fprintf(header, ";\n\n");
}
}
void write_library(const typelib_t *typelib)
{
const UUID *uuid = get_attrp(typelib->attrs, ATTR_UUID);
fprintf(header, "\n");
write_guid(header, "LIBID", typelib->name, uuid);
fprintf(header, "\n");
}
const var_t* get_explicit_handle_var(const func_t* func)
{
const var_t* var;
if (!func->args)
return NULL;
LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry )
if (var->type->type == RPC_FC_BIND_PRIMITIVE)
return var;
return NULL;
}
const type_t* get_explicit_generic_handle_type(const var_t* var)
{
const type_t *t;
for (t = var->type; is_ptr(t); t = t->ref)
if (t->type != RPC_FC_BIND_PRIMITIVE && is_attr(t->attrs, ATTR_HANDLE))
return t;
return NULL;
}
const var_t* get_explicit_generic_handle_var(const func_t* func)
{
const var_t* var;
if (!func->args)
return NULL;
LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry )
if (get_explicit_generic_handle_type(var))
return var;
return NULL;
}
const var_t* get_context_handle_var(const func_t* func)
{
const var_t* var;
if (!func->args)
return NULL;
LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry )
if (is_attr(var->attrs, ATTR_IN) && is_context_handle(var->type))
return var;
return NULL;
}
int has_out_arg_or_return(const func_t *func)
{
const var_t *var;
if (!is_void(get_func_return_type(func)))
return 1;
if (!func->args)
return 0;
LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry )
if (is_attr(var->attrs, ATTR_OUT))
return 1;
return 0;
}
/********** INTERFACES **********/
int is_object(const attr_list_t *list)
{
const attr_t *attr;
if (list) LIST_FOR_EACH_ENTRY( attr, list, const attr_t, entry )
if (attr->type == ATTR_OBJECT || attr->type == ATTR_ODL) return 1;
return 0;
}
int is_local(const attr_list_t *a)
{
return is_attr(a, ATTR_LOCAL);
}
const var_t *is_callas(const attr_list_t *a)
{
return get_attrp(a, ATTR_CALLAS);
}
static void write_method_macro(const type_t *iface, const char *name)
{
const func_t *cur;
if (iface->ref) write_method_macro(iface->ref, name);
if (!iface->funcs) return;
fprintf(header, "/*** %s methods ***/\n", iface->name);
LIST_FOR_EACH_ENTRY( cur, iface->funcs, const func_t, entry )
{
var_t *def = cur->def;
if (!is_callas(def->attrs)) {
const var_t *arg;
fprintf(header, "#define %s_", name);
write_name(header,def);
fprintf(header, "(This");
if (cur->args)
LIST_FOR_EACH_ENTRY( arg, cur->args, const var_t, entry )
fprintf(header, ",%s", arg->name);
fprintf(header, ") ");
fprintf(header, "(This)->lpVtbl->");
write_name(header, def);
fprintf(header, "(This");
if (cur->args)
LIST_FOR_EACH_ENTRY( arg, cur->args, const var_t, entry )
fprintf(header, ",%s", arg->name);
fprintf(header, ")\n");
}
}
}
void write_args(FILE *h, const var_list_t *args, const char *name, int method, int do_indent)
{
const var_t *arg;
int count = 0;
if (do_indent)
{
indentation++;
indent(h, 0);
}
if (method == 1) {
fprintf(h, "%s* This", name);
count++;
}
if (args) LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry ) {
if (count) {
if (do_indent)
{
fprintf(h, ",\n");
indent(h, 0);
}
else fprintf(h, ",");
}
write_type_decl(h, arg->type, "%s", arg->name);
count++;
}
if (do_indent) indentation--;
}
static void write_cpp_method_def(const type_t *iface)
{
const func_t *cur;
if (!iface->funcs) return;
LIST_FOR_EACH_ENTRY( cur, iface->funcs, const func_t, entry )
{
var_t *def = cur->def;
if (!is_callas(def->attrs)) {
const char *callconv = get_attrp(def->type->attrs, ATTR_CALLCONV);
if (!callconv) callconv = "";
indent(header, 0);
fprintf(header, "virtual ");
write_type_decl_left(header, get_func_return_type(cur));
fprintf(header, " %s ", callconv);
write_name(header, def);
fprintf(header, "(\n");
write_args(header, cur->args, iface->name, 2, TRUE);
fprintf(header, ") = 0;\n");
fprintf(header, "\n");
}
}
}
static void do_write_c_method_def(const type_t *iface, const char *name)
{
const func_t *cur;
if (iface->ref) do_write_c_method_def(iface->ref, name);
if (!iface->funcs) return;
indent(header, 0);
fprintf(header, "/*** %s methods ***/\n", iface->name);
LIST_FOR_EACH_ENTRY( cur, iface->funcs, const func_t, entry )
{
const var_t *def = cur->def;
if (!is_callas(def->attrs)) {
const char *callconv = get_attrp(def->type->attrs, ATTR_CALLCONV);
if (!callconv) callconv = "";
indent(header, 0);
write_type_decl_left(header, get_func_return_type(cur));
fprintf(header, " (%s *", callconv);
write_name(header, def);
fprintf(header, ")(\n");
write_args(header, cur->args, name, 1, TRUE);
fprintf(header, ");\n");
fprintf(header, "\n");
}
}
}
static void write_c_method_def(const type_t *iface)
{
do_write_c_method_def(iface, iface->name);
}
static void write_c_disp_method_def(const type_t *iface)
{
do_write_c_method_def(iface->ref, iface->name);
}
static void write_method_proto(const type_t *iface)
{
const func_t *cur;
if (!iface->funcs) return;
LIST_FOR_EACH_ENTRY( cur, iface->funcs, const func_t, entry )
{
const var_t *def = cur->def;
if (!is_local(def->attrs)) {
const char *callconv = get_attrp(def->type->attrs, ATTR_CALLCONV);
if (!callconv) callconv = "";
/* proxy prototype */
write_type_decl_left(header, get_func_return_type(cur));
fprintf(header, " %s %s_", callconv, iface->name);
write_name(header, def);
fprintf(header, "_Proxy(\n");
write_args(header, cur->args, iface->name, 1, TRUE);
fprintf(header, ");\n");
/* stub prototype */
fprintf(header, "void __RPC_STUB %s_", iface->name);
write_name(header,def);
fprintf(header, "_Stub(\n");
fprintf(header, " IRpcStubBuffer* This,\n");
fprintf(header, " IRpcChannelBuffer* pRpcChannelBuffer,\n");
fprintf(header, " PRPC_MESSAGE pRpcMessage,\n");
fprintf(header, " DWORD* pdwStubPhase);\n");
}
}
}
void write_locals(FILE *fp, const type_t *iface, int body)
{
static const char comment[]
= "/* WIDL-generated stub. You must provide an implementation for this. */";
const func_list_t *funcs = iface->funcs;
const func_t *cur;
if (!is_object(iface->attrs) || !funcs)
return;
LIST_FOR_EACH_ENTRY(cur, funcs, const func_t, entry) {
const var_t *def = cur->def;
const var_t *cas = is_callas(def->attrs);
if (cas) {
const func_t *m;
LIST_FOR_EACH_ENTRY(m, iface->funcs, const func_t, entry)
if (!strcmp(m->def->name, cas->name))
break;
if (&m->entry != iface->funcs) {
const var_t *mdef = m->def;
/* proxy prototype - use local prototype */
write_type_decl_left(fp, get_func_return_type(m));
fprintf(fp, " CALLBACK %s_", iface->name);
write_name(fp, mdef);
fprintf(fp, "_Proxy(\n");
write_args(fp, m->args, iface->name, 1, TRUE);
fprintf(fp, ")");
if (body) {
type_t *rt = get_func_return_type(m);
fprintf(fp, "\n{\n");
fprintf(fp, " %s\n", comment);
if (rt->name && strcmp(rt->name, "HRESULT") == 0)
fprintf(fp, " return E_NOTIMPL;\n");
else if (rt->type) {
fprintf(fp, " ");
write_type_decl(fp, rt, "rv");
fprintf(fp, ";\n");
fprintf(fp, " memset(&rv, 0, sizeof rv);\n");
fprintf(fp, " return rv;\n");
}
fprintf(fp, "}\n\n");
}
else
fprintf(fp, ";\n");
/* stub prototype - use remotable prototype */
write_type_decl_left(fp, get_func_return_type(cur));
fprintf(fp, " __RPC_STUB %s_", iface->name);
write_name(fp, mdef);
fprintf(fp, "_Stub(\n");
write_args(fp, cur->args, iface->name, 1, TRUE);
fprintf(fp, ")");
if (body)
/* Remotable methods must all return HRESULTs. */
fprintf(fp, "\n{\n %s\n return E_NOTIMPL;\n}\n\n", comment);
else
fprintf(fp, ";\n");
}
else
error_loc("invalid call_as attribute (%s -> %s)\n", def->name, cas->name);
}
}
}
static void write_function_proto(const type_t *iface, const func_t *fun, const char *prefix)
{
var_t *def = fun->def;
const char *callconv = get_attrp(def->type->attrs, ATTR_CALLCONV);
/* FIXME: do we need to handle call_as? */
write_type_decl_left(header, get_func_return_type(fun));
fprintf(header, " ");
if (callconv) fprintf(header, "%s ", callconv);
write_prefix_name(header, prefix, def);
fprintf(header, "(\n");
if (fun->args)
write_args(header, fun->args, iface->name, 0, TRUE);
else
fprintf(header, " void");
fprintf(header, ");\n\n");
}
static void write_function_protos(const type_t *iface)
{
const func_t *cur;
int prefixes_differ = strcmp(prefix_client, prefix_server);
if (!iface->funcs) return;
LIST_FOR_EACH_ENTRY( cur, iface->funcs, const func_t, entry )
{
if (prefixes_differ) {
fprintf(header, "/* client prototype */\n");
write_function_proto(iface, cur, prefix_client);
fprintf(header, "/* server prototype */\n");
}
write_function_proto(iface, cur, prefix_server);
}
}
void write_forward(type_t *iface)
{
/* C/C++ forwards should only be written for object interfaces, so if we
* have a full definition we only write one if we find [object] among the
* attributes - however, if we don't have a full definition at this point
* (i.e. this is an IDL forward), then we also assume that it is an object
* interface, since non-object interfaces shouldn't need forwards */
if ((!iface->defined || is_object(iface->attrs) || is_attr(iface->attrs, ATTR_DISPINTERFACE))
&& !iface->written) {
fprintf(header, "#ifndef __%s_FWD_DEFINED__\n", iface->name);
fprintf(header, "#define __%s_FWD_DEFINED__\n", iface->name);
fprintf(header, "typedef interface %s %s;\n", iface->name, iface->name);
fprintf(header, "#endif\n\n" );
iface->written = TRUE;
}
}
static void write_iface_guid(const type_t *iface)
{
const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
write_guid(header, "IID", iface->name, uuid);
}
static void write_dispiface_guid(const type_t *iface)
{
const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
write_guid(header, "DIID", iface->name, uuid);
}
static void write_coclass_guid(type_t *cocl)
{
const UUID *uuid = get_attrp(cocl->attrs, ATTR_UUID);
write_guid(header, "CLSID", cocl->name, uuid);
}
static void write_com_interface(type_t *iface)
{
if (!iface->funcs && !iface->ref) {
parser_warning("%s has no methods\n", iface->name);
return;
}
fprintf(header, "/*****************************************************************************\n");
fprintf(header, " * %s interface\n", iface->name);
fprintf(header, " */\n");
fprintf(header,"#ifndef __%s_INTERFACE_DEFINED__\n", iface->name);
fprintf(header,"#define __%s_INTERFACE_DEFINED__\n\n", iface->name);
write_iface_guid(iface);
write_forward(iface);
/* C++ interface */
fprintf(header, "#if defined(__cplusplus) && !defined(CINTERFACE)\n");
if (iface->ref)
{
fprintf(header, "interface %s : public %s\n", iface->name, iface->ref->name);
fprintf(header, "{\n");
indentation++;
write_cpp_method_def(iface);
indentation--;
fprintf(header, "};\n");
}
else
{
fprintf(header, "interface %s\n", iface->name);
fprintf(header, "{\n");
fprintf(header, " BEGIN_INTERFACE\n");
fprintf(header, "\n");
indentation++;
write_cpp_method_def(iface);
indentation--;
fprintf(header, " END_INTERFACE\n");
fprintf(header, "};\n");
}
fprintf(header, "#else\n");
/* C interface */
fprintf(header, "typedef struct %sVtbl {\n", iface->name);
indentation++;
fprintf(header, " BEGIN_INTERFACE\n");
fprintf(header, "\n");
write_c_method_def(iface);
indentation--;
fprintf(header, " END_INTERFACE\n");
fprintf(header, "} %sVtbl;\n", iface->name);
fprintf(header, "interface %s {\n", iface->name);
fprintf(header, " CONST_VTBL %sVtbl* lpVtbl;\n", iface->name);
fprintf(header, "};\n");
fprintf(header, "\n");
fprintf(header, "#ifdef COBJMACROS\n");
write_method_macro(iface, iface->name);
fprintf(header, "#endif\n");
fprintf(header, "\n");
fprintf(header, "#endif\n");
fprintf(header, "\n");
write_method_proto(iface);
write_locals(header, iface, FALSE);
fprintf(header,"\n#endif /* __%s_INTERFACE_DEFINED__ */\n\n", iface->name);
}
static void write_rpc_interface(const type_t *iface)
{
unsigned int ver = get_attrv(iface->attrs, ATTR_VERSION);
const char *var = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
static int allocate_written = 0;
if (!allocate_written)
{
allocate_written = 1;
fprintf(header, "void * __RPC_USER MIDL_user_allocate(size_t);\n");
fprintf(header, "void __RPC_USER MIDL_user_free(void *);\n\n");
}
fprintf(header, "/*****************************************************************************\n");
fprintf(header, " * %s interface (v%d.%d)\n", iface->name, MAJORVERSION(ver), MINORVERSION(ver));
fprintf(header, " */\n");
fprintf(header,"#ifndef __%s_INTERFACE_DEFINED__\n", iface->name);
fprintf(header,"#define __%s_INTERFACE_DEFINED__\n\n", iface->name);
if (iface->funcs)
{
write_iface_guid(iface);
if (var) fprintf(header, "extern handle_t %s;\n", var);
if (old_names)
{
fprintf(header, "extern RPC_IF_HANDLE %s%s_ClientIfHandle;\n", prefix_client, iface->name);
fprintf(header, "extern RPC_IF_HANDLE %s%s_ServerIfHandle;\n", prefix_server, iface->name);
}
else
{
fprintf(header, "extern RPC_IF_HANDLE %s%s_v%d_%d_c_ifspec;\n",
prefix_client, iface->name, MAJORVERSION(ver), MINORVERSION(ver));
fprintf(header, "extern RPC_IF_HANDLE %s%s_v%d_%d_s_ifspec;\n",
prefix_server, iface->name, MAJORVERSION(ver), MINORVERSION(ver));
}
write_function_protos(iface);
}
fprintf(header,"\n#endif /* __%s_INTERFACE_DEFINED__ */\n\n", iface->name);
/* FIXME: server/client code */
}
void write_interface(type_t *iface)
{
if (is_object(iface->attrs))
write_com_interface(iface);
else
write_rpc_interface(iface);
}
void write_dispinterface(type_t *iface)
{
fprintf(header, "/*****************************************************************************\n");
fprintf(header, " * %s dispinterface\n", iface->name);
fprintf(header, " */\n");
fprintf(header,"#ifndef __%s_DISPINTERFACE_DEFINED__\n", iface->name);
fprintf(header,"#define __%s_DISPINTERFACE_DEFINED__\n\n", iface->name);
write_dispiface_guid(iface);
write_forward(iface);
/* C++ interface */
fprintf(header, "#if defined(__cplusplus) && !defined(CINTERFACE)\n");
fprintf(header, "interface %s : public %s\n", iface->name, iface->ref->name);
fprintf(header, "{\n");
fprintf(header, "};\n");
fprintf(header, "#else\n");
/* C interface */
fprintf(header, "typedef struct %sVtbl {\n", iface->name);
indentation++;
fprintf(header, " BEGIN_INTERFACE\n");
fprintf(header, "\n");
write_c_disp_method_def(iface);
indentation--;
fprintf(header, " END_INTERFACE\n");
fprintf(header, "} %sVtbl;\n", iface->name);
fprintf(header, "interface %s {\n", iface->name);
fprintf(header, " CONST_VTBL %sVtbl* lpVtbl;\n", iface->name);
fprintf(header, "};\n");
fprintf(header, "\n");
fprintf(header, "#ifdef COBJMACROS\n");
write_method_macro(iface->ref, iface->name);
fprintf(header, "#endif\n");
fprintf(header, "\n");
fprintf(header, "#endif\n");
fprintf(header, "\n");
fprintf(header,"#endif /* __%s_DISPINTERFACE_DEFINED__ */\n\n", iface->name);
}
void write_coclass(type_t *cocl)
{
fprintf(header, "/*****************************************************************************\n");
fprintf(header, " * %s coclass\n", cocl->name);
fprintf(header, " */\n\n");
write_coclass_guid(cocl);
fprintf(header, "\n");
}
void write_coclass_forward(type_t *cocl)
{
fprintf(header, "#ifndef __%s_FWD_DEFINED__\n", cocl->name);
fprintf(header, "#define __%s_FWD_DEFINED__\n", cocl->name);
fprintf(header, "typedef struct %s %s;\n", cocl->name, cocl->name);
fprintf(header, "#endif /* defined __%s_FWD_DEFINED__ */\n\n", cocl->name );
}
void write_import(const char *fname)
{
char *hname, *p;
hname = dup_basename(fname, ".idl");
p = hname + strlen(hname) - 2;
if (p <= hname || strcmp( p, ".h" )) strcat(hname, ".h");
fprintf(header, "#include <%s>\n", hname);
free(hname);
}
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