widl: Add support for generating a .rgs registration script for the defined interfaces.

tools/widl/Makefile.in

@@ -9,6 +9,7 @@ C_SRCS = \
 	hash.c \
 	header.c \
 	proxy.c \
+	register.c \
 	server.c \
 	typegen.c \
 	typelib.c \

tools/widl/header.h

@@ -39,6 +39,7 @@ extern void write_type_decl_left(FILE *f, type_t *t);
 extern int needs_space_after(type_t *t);
 extern int is_object(const type_t *iface);
 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_stub_files(const statement_list_t *stmts);

tools/widl/parser.y

@@ -332,6 +332,7 @@ input:   gbl_statements				{ fix_incomplete();
 						  write_proxies($1);
 						  write_client($1);
 						  write_server($1);
+						  write_regscript($1);
 						  write_dlldata($1);
 						  write_local_stubs($1);
 						}

tools/widl/proxy.c

@@ -490,7 +490,7 @@ static void gen_stub(type_t *iface, const var_t *func, const char *cas,
   print_proxy("\n");
 }
 
-static int count_methods(type_t *iface)
+int count_methods(const type_t *iface)
 {
     const statement_t *stmt;
     int count = 0;

tools/widl/register.c

+/*
+ * Generation of dll registration scripts
+ *
+ * Copyright 2010 Alexandre Julliard
+ *
+ * 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 <ctype.h>
+
+#include "widl.h"
+#include "utils.h"
+#include "parser.h"
+#include "header.h"
+#include "typegen.h"
+
+static int indent;
+
+static const char *format_uuid( const UUID *uuid )
+{
+    static char buffer[40];
+    sprintf( buffer, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
+             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] );
+    return buffer;
+}
+
+static int write_interface( const type_t *iface )
+{
+    const UUID *uuid = get_attrp( iface->attrs, ATTR_UUID );
+
+    if (!type_iface_get_inherit( iface )) return 0;
+    if (!need_proxy( iface )) return 0;
+    if (!uuid) return 0;
+    put_str( indent, "ForceRemove '%s' = s '%s'\n", format_uuid( uuid ), iface->name );
+    put_str( indent, "{\n" );
+    indent++;
+    put_str( indent, "NumMethods = s %u\n", count_methods( iface ));
+    put_str( indent, "ProxyStubClsid32 = s '%%CLSID_PSFactoryBuffer%%'\n" );
+    indent--;
+    put_str( indent, "}\n" );
+    return 1;
+}
+
+static int write_interfaces( const statement_list_t *stmts )
+{
+    const statement_t *stmt;
+    int count = 0;
+
+    if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
+    {
+        if (stmt->type == STMT_LIBRARY)
+            count += write_interfaces( stmt->u.lib->stmts );
+        else if (stmt->type == STMT_TYPE && type_get_type( stmt->u.type ) == TYPE_INTERFACE)
+            count += write_interface( stmt->u.type );
+    }
+    return count;
+}
+
+/* put a string into the resource file */
+static inline void put_string( const char *str )
+{
+    while (*str)
+    {
+        unsigned char ch = *str++;
+        put_word( toupper(ch) );
+    }
+    put_word( 0 );
+}
+
+void write_regscript( const statement_list_t *stmts )
+{
+    int count;
+
+    if (!do_regscript) return;
+    if (do_everything && !need_proxy_file( stmts )) return;
+
+    init_output_buffer();
+
+    put_str( indent, "HKCR\n" );
+    put_str( indent++, "{\n" );
+
+    put_str( indent, "NoRemove Interface\n" );
+    put_str( indent++, "{\n" );
+    count = write_interfaces( stmts );
+    put_str( --indent, "}\n" );
+
+    if (count)
+    {
+        put_str( indent, "NoRemove CLSID\n" );
+        put_str( indent++, "{\n" );
+        put_str( indent, "ForceRemove '%%CLSID_PSFactoryBuffer%%' = s 'PSFactoryBuffer'\n" );
+        put_str( indent++, "{\n" );
+        put_str( indent, "InprocServer32 = s '%%MODULE%%' { val ThreadingModel = s 'Both' }\n" );
+        put_str( --indent, "}\n" );
+        put_str( --indent, "}\n" );
+    }
+
+    put_str( --indent, "}\n" );
+
+    if (strendswith( regscript_name, ".res" ))  /* create a binary resource file */
+    {
+        unsigned char *data = output_buffer;
+        size_t data_size = output_buffer_pos;
+        size_t header_size = 5 * sizeof(unsigned int) + 2 * sizeof(unsigned short);
+
+        header_size += (strlen(regscript_token) + strlen("WINE_REGISTRY") + 2) * sizeof(unsigned short);
+
+        init_output_buffer();
+
+        put_dword( 0 );      /* ResSize */
+        put_dword( 32 );     /* HeaderSize */
+        put_word( 0xffff );  /* ResType */
+        put_word( 0x0000 );
+        put_word( 0xffff );  /* ResName */
+        put_word( 0x0000 );
+        put_dword( 0 );      /* DataVersion */
+        put_word( 0 );       /* Memory options */
+        put_word( 0 );       /* Language */
+        put_dword( 0 );      /* Version */
+        put_dword( 0 );      /* Characteristics */
+
+        put_dword( data_size );               /* ResSize */
+        put_dword( (header_size + 3) & ~3 );  /* HeaderSize */
+        put_string( "WINE_REGISTRY" );        /* ResType */
+        put_string( regscript_token );        /* ResName */
+        align_output( 4 );
+        put_dword( 0 );      /* DataVersion */
+        put_word( 0 );       /* Memory options */
+        put_word( 0 );       /* Language */
+        put_dword( 0 );      /* Version */
+        put_dword( 0 );      /* Characteristics */
+
+        put_data( data, data_size );
+        free( data );
+        align_output( 4 );
+        flush_output_buffer( regscript_name );
+    }
+    else
+    {
+        FILE *f = fopen( regscript_name, "w" );
+        if (!f) error( "Could not open %s for output\n", regscript_name );
+        if (fwrite( output_buffer, output_buffer_pos, 1, f ) != output_buffer_pos)
+            error( "Failed to write to %s\n", regscript_name );
+        if (fclose( f ))
+            error( "Failed to write to %s\n", regscript_name );
+    }
+}

tools/widl/utils.c

@@ -326,6 +326,32 @@ void put_pword( unsigned int val )
     else put_dword( val );
 }
 
+void put_str( int indent, const char *format, ... )
+{
+    int n;
+    va_list args;
+
+    check_output_buffer_space( 4 * indent );
+    memset( output_buffer + output_buffer_pos, ' ', 4 * indent );
+    output_buffer_pos += 4 * indent;
+
+    for (;;)
+    {
+        size_t size = output_buffer_size - output_buffer_pos;
+        va_start( args, format );
+	n = vsnprintf( (char *)output_buffer + output_buffer_pos, size, format, args );
+	va_end( args );
+        if (n == -1) size *= 2;
+        else if ((size_t)n >= size) size = n + 1;
+        else
+        {
+            output_buffer_pos += n;
+            return;
+        }
+        check_output_buffer_space( size );
+    }
+}
+
 void align_output( unsigned int align )
 {
     size_t size = align - (output_buffer_pos % align);

tools/widl/utils.h

@@ -64,6 +64,7 @@ extern void put_word( unsigned short val );
 extern void put_dword( unsigned int val );
 extern void put_qword( unsigned int val );
 extern void put_pword( unsigned int val );
+extern void put_str( int indent, const char *format, ... ) __attribute__((format (printf, 2, 3)));
 extern void align_output( unsigned int align );
 
 /* typelibs expect the minor version to be stored in the higher bits and

tools/widl/widl.c

@@ -69,6 +69,7 @@ static const char usage[] =
 "   --prefix-all=p     Prefix names of client stubs / server functions with 'p'\n"
 "   --prefix-client=p  Prefix names of client stubs with 'p'\n"
 "   --prefix-server=p  Prefix names of server functions with 'p'\n"
+"   -r                 Generate registration script\n"
 "   -s                 Generate server stub\n"
 "   -t                 Generate typelib\n"
 "   -u                 Generate interface identifiers file\n"
@@ -101,6 +102,7 @@ int do_typelib = 0;
 int do_proxies = 0;
 int do_client = 0;
 int do_server = 0;
+int do_regscript = 0;
 int do_idfile = 0;
 int do_dlldata = 0;
 static int no_preprocess = 0;
@@ -122,6 +124,8 @@ char *client_name;
 char *client_token;
 char *server_name;
 char *server_token;
+char *regscript_name;
+char *regscript_token;
 static char *idfile_name;
 static char *idfile_token;
 char *temp_name;
@@ -152,7 +156,7 @@ enum {
 };
 
 static const char short_options[] =
-    "b:cC:d:D:EhH:I:m:No:pP:sS:tT:uU:VW";
+    "b:cC:d:D:EhH:I:m:No:pP:rsS:tT:uU:VW";
 static const struct option long_options[] = {
     { "dlldata", 1, NULL, DLLDATA_OPTION },
     { "dlldata-only", 0, NULL, DLLDATA_ONLY_OPTION },
@@ -284,6 +288,7 @@ static void set_everything(int x)
   do_proxies = x;
   do_client = x;
   do_server = x;
+  do_regscript = x;
   do_idfile = x;
   do_dlldata = x;
 }
@@ -584,6 +589,10 @@ int main(int argc,char *argv[])
     case 'P':
       proxy_name = xstrdup(optarg);
       break;
+    case 'r':
+      do_everything = 0;
+      do_regscript = 1;
+      break;
     case 's':
       do_everything = 0;
       do_server = 1;
@@ -624,13 +633,15 @@ int main(int argc,char *argv[])
   if (!output_name) output_name = dup_basename(input_name, ".idl");
 
   if (!do_everything &&
-      do_header + do_typelib + do_proxies + do_client + do_server + do_idfile + do_dlldata == 1)
+      do_header + do_typelib + do_proxies + do_client +
+      do_server + do_regscript + do_idfile + do_dlldata == 1)
   {
       if (do_header) header_name = output_name;
       else if (do_typelib) typelib_name = output_name;
       else if (do_proxies) proxy_name = output_name;
       else if (do_client) client_name = output_name;
       else if (do_server) server_name = output_name;
+      else if (do_regscript) regscript_name = output_name;
       else if (do_idfile) idfile_name = output_name;
       else if (do_dlldata) dlldata_name = output_name;
   }
@@ -698,6 +709,11 @@ int main(int argc,char *argv[])
     strcat(server_name, "_s.c");
   }
 
+  if (!regscript_name && do_regscript) {
+    regscript_name = dup_basename(input_name, ".idl");
+    strcat(regscript_name, "_r.rgs");
+  }
+
   if (!idfile_name && do_idfile) {
     idfile_name = dup_basename(input_name, ".idl");
     strcat(idfile_name, "_i.c");
@@ -706,6 +722,7 @@ int main(int argc,char *argv[])
   if (do_proxies) proxy_token = dup_basename_token(proxy_name,"_p.c");
   if (do_client) client_token = dup_basename_token(client_name,"_c.c");
   if (do_server) server_token = dup_basename_token(server_name,"_s.c");
+  if (do_regscript) regscript_token = dup_basename_token(regscript_name,"_r.rgs");
 
   add_widl_version_define();
   wpp_add_define("_WIN32", NULL);
@@ -784,6 +801,8 @@ static void rm_tempfile(void)
     unlink(client_name);
   if (do_server)
     unlink(server_name);
+  if (do_regscript)
+    unlink(regscript_name);
   if (do_idfile)
     unlink(idfile_name);
   if (do_proxies)

tools/widl/widl.h

@@ -41,6 +41,7 @@ extern int do_typelib;
 extern int do_proxies;
 extern int do_client;
 extern int do_server;
+extern int do_regscript;
 extern int do_idfile;
 extern int do_dlldata;
 extern int old_names;
@@ -61,6 +62,8 @@ extern char *client_name;
 extern char *client_token;
 extern char *server_name;
 extern char *server_token;
+extern char *regscript_name;
+extern char *regscript_token;
 extern const char *prefix_client;
 extern const char *prefix_server;
 extern size_t pointer_size;
@@ -74,6 +77,7 @@ extern void write_id_data(const statement_list_t *stmts);
 extern void write_proxies(const statement_list_t *stmts);
 extern void write_client(const statement_list_t *stmts);
 extern void write_server(const statement_list_t *stmts);
+extern void write_regscript(const statement_list_t *stmts);
 extern void write_local_stubs(const statement_list_t *stmts);
 extern void write_dlldata(const statement_list_t *stmts);
 

tools/widl/widl.man.in

@@ -75,6 +75,12 @@ Only generate 32-bit, respectively 64-bit code (the default is to
 generate both 32-bit and 64-bit versions into the same destination
 file).
 .PP
+.B Registration script options:
+.IP "\fB-r\fR"
+Generate a registration script. The default output filename is
+\fIinfile\fB_r.rgs\fR. If the output file name ends in \fB.res\fR, a
+binary resource file containing the script is generated instead.
+.PP
 .B Dlldata file options:
 .IP "\fB--dlldata-only\fI name1 [name2...]"
 Regenerate the dlldata file from scratch using the specified proxy