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widl: Add support for generating old-style interpreted stubs for proxies.

oldstable
Alexandre Julliard 2011-06-03 12:27:00 +02:00
parent 4fe88648cb
commit 33ba9731a3
2 changed files with 85 additions and 33 deletions
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2
tools/widl/header.h
View File

@ -44,8 +44,10 @@ extern int is_local(const attr_list_t *list);
extern int count_methods(const type_t *iface);
extern int need_stub(const type_t *iface);
extern int need_proxy(const type_t *iface);
extern int need_inline_stubs(const type_t *iface);
extern int need_stub_files(const statement_list_t *stmts);
extern int need_proxy_file(const statement_list_t *stmts);
extern int need_inline_stubs_file(const statement_list_t *stmts);
extern const var_t *is_callas(const attr_list_t *list);
extern void write_args(FILE *h, const var_list_t *arg, const char *name, int obj, int do_indent);
extern void write_array(FILE *h, array_dims_t *v, int field);

116
tools/widl/proxy.c
View File

@ -48,8 +48,6 @@
static FILE* proxy;
static int indent = 0;
/* FIXME: support generation of stubless proxies */
static void print_proxy( const char *format, ... ) __attribute__((format (printf, 1, 2)));
static void print_proxy( const char *format, ... )
{
@ -263,12 +261,36 @@ static void proxy_free_variables( var_list_t *args, const char *local_var_prefix
static void gen_proxy(type_t *iface, const var_t *func, int idx,
unsigned int proc_offset)
{
int has_ret = !is_void(type_function_get_rettype(func->type));
type_t *rettype = type_function_get_rettype(func->type);
int has_ret = !is_void(rettype);
int has_full_pointer = is_full_pointer_function(func);
const char *callconv = get_attrp(func->type->attrs, ATTR_CALLCONV);
const var_list_t *args = type_get_function_args(func->type);
if (!callconv) callconv = "STDMETHODCALLTYPE";
indent = 0;
if (is_interpreted_func( iface, func ))
{
write_type_decl_left(proxy, type_function_get_rettype(func->type));
print_proxy( " %s %s_%s_Proxy(\n", callconv, iface->name, get_name(func));
write_args(proxy, args, iface->name, 1, TRUE);
print_proxy( ")\n");
print_proxy( "{\n");
indent++;
if (has_ret) print_proxy( "%s", "CLIENT_CALL_RETURN _RetVal;\n\n" );
print_proxy( "%sNdrClientCall( &Object_StubDesc, &__MIDL_ProcFormatString.Format[%u], ",
has_ret ? "_RetVal = " : "", proc_offset );
fprintf( proxy, "(unsigned char *)&This );\n" );
if (has_ret)
{
print_proxy( "return (" );
write_type_decl_left(proxy, rettype);
fprintf( proxy, ")*(LONG_PTR *)&_RetVal;\n" );
}
indent--;
print_proxy( "}\n\n");
return;
}
print_proxy( "static void __finally_%s_%s_Proxy( struct __proxy_frame *__frame )\n",
iface->name, get_name(func) );
print_proxy( "{\n");
@ -279,9 +301,9 @@ static void gen_proxy(type_t *iface, const var_t *func, int idx,
print_proxy( "}\n");
print_proxy( "\n");
write_type_decl_left(proxy, type_function_get_rettype(func->type));
write_type_decl_left(proxy, rettype);
print_proxy( " %s %s_%s_Proxy(\n", callconv, iface->name, get_name(func));
write_args(proxy, type_get_function_args(func->type), iface->name, 1, TRUE);
write_args(proxy, args, iface->name, 1, TRUE);
print_proxy( ")\n");
print_proxy( "{\n");
indent ++;
@ -289,12 +311,12 @@ static void gen_proxy(type_t *iface, const var_t *func, int idx,
/* local variables */
if (has_ret) {
print_proxy( "%s", "" );
write_type_decl_left(proxy, type_function_get_rettype(func->type));
write_type_decl_left(proxy, rettype);
print_proxy( " _RetVal;\n");
}
print_proxy( "RPC_MESSAGE _RpcMessage;\n" );
if (has_ret) {
if (decl_indirect(type_function_get_rettype(func->type)))
if (decl_indirect(rettype))
print_proxy("void *_p_%s = &%s;\n",
"_RetVal", "_RetVal");
}
@ -340,10 +362,9 @@ static void gen_proxy(type_t *iface, const var_t *func, int idx,
if (has_ret)
{
if (decl_indirect(type_function_get_rettype(func->type)))
if (decl_indirect(rettype))
print_proxy("MIDL_memset(&%s, 0, sizeof(%s));\n", "_RetVal", "_RetVal");
else if (is_ptr(type_function_get_rettype(func->type)) ||
is_array(type_function_get_rettype(func->type)))
else if (is_ptr(rettype) || is_array(rettype))
print_proxy("%s = 0;\n", "_RetVal");
write_remoting_arguments(proxy, indent, func, "", PASS_RETURN, PHASE_UNMARSHAL);
}
@ -385,6 +406,8 @@ static void gen_stub(type_t *iface, const var_t *func, const char *cas,
int has_ret = !is_void(type_function_get_rettype(func->type));
int has_full_pointer = is_full_pointer_function(func);
if (is_interpreted_func( iface, func )) return;
indent = 0;
print_proxy( "struct __frame_%s_%s_Stub\n{\n", iface->name, get_name(func));
indent++;
@ -563,6 +586,7 @@ static int write_stub_methods(type_t *iface, int skip)
}
if (i) fprintf(proxy,",\n");
if (skip || missing) print_proxy("STUB_FORWARDING_FUNCTION");
else if (is_interpreted_func( iface, func )) print_proxy( "(PRPC_STUB_FUNCTION)NdrStubCall" );
else print_proxy( "%s_%s_Stub", iface->name, fname);
i++;
}
@ -575,6 +599,7 @@ static void write_proxy(type_t *iface, unsigned int *proc_offset)
int count;
const statement_t *stmt;
int first_func = 1;
int needs_inline_stubs = need_inline_stubs( iface );
STATEMENTS_FOR_EACH_FUNC(stmt, type_iface_get_stmts(iface)) {
var_t *func = stmt->u.var;
@ -645,14 +670,16 @@ static void write_proxy(type_t *iface, unsigned int *proc_offset)
print_proxy( "};\n\n" );
/* stub vtable */
print_proxy( "static const PRPC_STUB_FUNCTION %s_table[] =\n", iface->name);
print_proxy( "{\n");
indent++;
write_stub_methods(iface, FALSE);
fprintf(proxy, "\n");
indent--;
fprintf(proxy, "};\n");
print_proxy( "\n");
if (needs_inline_stubs)
{
print_proxy( "static const PRPC_STUB_FUNCTION %s_table[] =\n", iface->name);
print_proxy( "{\n");
indent++;
write_stub_methods(iface, FALSE);
fprintf(proxy, "\n");
indent--;
fprintf(proxy, "};\n\n");
}
print_proxy( "static %sCInterfaceStubVtbl _%sStubVtbl =\n",
need_delegation_indirect(iface) ? "" : "const ", iface->name);
print_proxy( "{\n");
@ -662,7 +689,8 @@ static void write_proxy(type_t *iface, unsigned int *proc_offset)
print_proxy( "&IID_%s,\n", iface->name);
print_proxy( "&%s_ServerInfo,\n", iface->name );
print_proxy( "%d,\n", count);
print_proxy( "&%s_table[-3],\n", iface->name);
if (needs_inline_stubs) print_proxy( "&%s_table[-3]\n", iface->name );
else print_proxy( "0\n" );
indent--;
print_proxy( "},\n");
print_proxy( "{\n");
@ -716,11 +744,30 @@ int need_proxy_file(const statement_list_t *stmts)
return does_any_iface(stmts, need_proxy);
}
int need_inline_stubs(const type_t *iface)
{
const statement_t *stmt;
if (stub_mode == MODE_Os) return 1;
STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
{
const var_t *func = stmt->u.var;
if (!is_interpreted_func( iface, func )) return 1;
}
return 0;
}
int need_stub_files(const statement_list_t *stmts)
{
return does_any_iface(stmts, need_stub);
}
int need_inline_stubs_file(const statement_list_t *stmts)
{
return does_any_iface(stmts, need_inline_stubs);
}
static void write_proxy_stmts(const statement_list_t *stmts, unsigned int *proc_offset)
{
const statement_t *stmt;
@ -785,20 +832,23 @@ static void write_proxy_routines(const statement_list_t *stmts)
type_t **interfaces;
const type_t * delegate_to;
write_exceptions( proxy );
print_proxy( "\n");
print_proxy( "struct __proxy_frame\n");
print_proxy( "{\n");
print_proxy( " __DECL_EXCEPTION_FRAME\n");
print_proxy( " MIDL_STUB_MESSAGE _StubMsg;\n");
print_proxy( " void *This;\n");
print_proxy( "};\n");
print_proxy( "\n");
print_proxy("static int __proxy_filter( struct __proxy_frame *__frame )\n");
print_proxy( "{\n");
print_proxy( " return (__frame->_StubMsg.dwStubPhase != PROXY_SENDRECEIVE);\n");
print_proxy( "}\n");
print_proxy( "\n");
if (need_inline_stubs_file( stmts ))
{
write_exceptions( proxy );
print_proxy( "\n");
print_proxy( "struct __proxy_frame\n");
print_proxy( "{\n");
print_proxy( " __DECL_EXCEPTION_FRAME\n");
print_proxy( " MIDL_STUB_MESSAGE _StubMsg;\n");
print_proxy( " void *This;\n");
print_proxy( "};\n");
print_proxy( "\n");
print_proxy("static int __proxy_filter( struct __proxy_frame *__frame )\n");
print_proxy( "{\n");
print_proxy( " return (__frame->_StubMsg.dwStubPhase != PROXY_SENDRECEIVE);\n");
print_proxy( "}\n");
print_proxy( "\n");
}
write_formatstringsdecl(proxy, indent, stmts, need_proxy);
write_stubdescproto();