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gdiplus: Implemented GdipGetCustomLineCapStrokeJoin with basic test.
[wine/gsoc_dplay.git] / tools / widl / client.c
blob779492e9171d0de2d977f51d45cac9c6fdf3c48f
1 /*
2 * IDL Compiler
3 *
4 * Copyright 2005-2006 Eric Kohl
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include "config.h"
22 #include "wine/port.h"
23
24 #include <stdio.h>
25 #include <stdlib.h>
26 #ifdef HAVE_UNISTD_H
27 # include <unistd.h>
28 #endif
29 #include <string.h>
30 #include <ctype.h>
31
32 #include "widl.h"
33 #include "utils.h"
34 #include "parser.h"
35 #include "header.h"
36
37 #include "widltypes.h"
38 #include "typegen.h"
39 #include "expr.h"
40
41 static FILE* client;
42 static int indent = 0;
43
44 static void print_client( const char *format, ... )
45 {
46 va_list va;
47 va_start(va, format);
48 print(client, indent, format, va);
49 va_end(va);
50 }
51
52
53 static void check_pointers(const func_t *func)
54 {
55 const var_t *var;
56
57 if (!func->args)
58 return;
59
60 LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry )
61 {
62 if (is_var_ptr(var) && cant_be_null(var))
63 {
64 print_client("if (!%s)\n", var->name);
65 print_client("{\n");
66 indent++;
67 print_client("RpcRaiseException(RPC_X_NULL_REF_POINTER);\n");
68 indent--;
69 print_client("}\n\n");
70 }
71 }
72 }
73
74 static void write_function_stubs(type_t *iface, unsigned int *proc_offset)
75 {
76 const func_t *func;
77 const char *implicit_handle = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
78 const var_t *var;
79 int method_count = 0;
80
81 if (!implicit_handle)
82 print_client("static RPC_BINDING_HANDLE %s__MIDL_AutoBindHandle;\n\n", iface->name);
83
84 if (iface->funcs) LIST_FOR_EACH_ENTRY( func, iface->funcs, const func_t, entry )
85 {
86 const var_t *def = func->def;
87 const var_t* explicit_handle_var;
88 const var_t* explicit_generic_handle_var = NULL;
89 const var_t* context_handle_var = NULL;
90 int has_full_pointer = is_full_pointer_function(func);
91 const char *callconv = get_attrp(def->type->attrs, ATTR_CALLCONV);
92
93 /* check for a defined binding handle */
94 explicit_handle_var = get_explicit_handle_var(func);
95 if (!explicit_handle_var)
96 {
97 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
98 if (!explicit_generic_handle_var)
99 context_handle_var = get_context_handle_var(func);
100 }
101
102 write_type_decl_left(client, get_func_return_type(func));
103 if (needs_space_after(get_func_return_type(func)))
104 fprintf(client, " ");
105 if (callconv) fprintf(client, "%s ", callconv);
106 write_prefix_name(client, prefix_client, def);
107 fprintf(client, "(\n");
108 indent++;
109 if (func->args)
110 write_args(client, func->args, iface->name, 0, TRUE);
111 else
112 print_client("void");
113 fprintf(client, ")\n");
114 indent--;
115
116 /* write the functions body */
117 fprintf(client, "{\n");
118 indent++;
119
120 /* declare return value '_RetVal' */
121 if (!is_void(get_func_return_type(func)))
122 {
123 print_client("");
124 write_type_decl_left(client, get_func_return_type(func));
125 fprintf(client, " _RetVal;\n");
126 }
127
128 if (implicit_handle || explicit_handle_var || explicit_generic_handle_var || context_handle_var)
129 print_client("RPC_BINDING_HANDLE _Handle = 0;\n");
130
131 print_client("RPC_MESSAGE _RpcMessage;\n");
132 print_client("MIDL_STUB_MESSAGE _StubMsg;\n");
133 if (!is_void(get_func_return_type(func)) && decl_indirect(get_func_return_type(func)))
134 {
135 print_client("void *_p_%s = &%s;\n",
136 "_RetVal", "_RetVal");
137 }
138 fprintf(client, "\n");
139
140 if (has_full_pointer)
141 write_full_pointer_init(client, indent, func, FALSE);
142
143 /* check pointers */
144 check_pointers(func);
145
146 print_client("RpcTryFinally\n");
147 print_client("{\n");
148 indent++;
149
150 print_client("NdrClientInitializeNew(\n");
151 indent++;
152 print_client("(PRPC_MESSAGE)&_RpcMessage,\n");
153 print_client("(PMIDL_STUB_MESSAGE)&_StubMsg,\n");
154 print_client("(PMIDL_STUB_DESC)&%s_StubDesc,\n", iface->name);
155 print_client("%d);\n", method_count);
156 indent--;
157 fprintf(client, "\n");
158
159 if (is_attr(def->attrs, ATTR_IDEMPOTENT) || is_attr(def->attrs, ATTR_BROADCAST))
160 {
161 print_client("_RpcMessage.RpcFlags = ( RPC_NCA_FLAGS_DEFAULT ");
162 if (is_attr(def->attrs, ATTR_IDEMPOTENT))
163 fprintf(client, "| RPC_NCA_FLAGS_IDEMPOTENT ");
164 if (is_attr(def->attrs, ATTR_BROADCAST))
165 fprintf(client, "| RPC_NCA_FLAGS_BROADCAST ");
166 fprintf(client, ");\n\n");
167 }
168
169 if (explicit_handle_var)
170 {
171 print_client("_Handle = %s;\n", explicit_handle_var->name);
172 fprintf(client, "\n");
173 }
174 else if (explicit_generic_handle_var)
175 {
176 print_client("_Handle = %s_bind(%s);\n",
177 get_explicit_generic_handle_type(explicit_generic_handle_var)->name,
178 explicit_generic_handle_var->name);
179 fprintf(client, "\n");
180 }
181 else if (context_handle_var)
182 {
183 /* if the context_handle attribute appears in the chain of types
184 * without pointers being followed, then the context handle must
185 * be direct, otherwise it is a pointer */
186 int is_ch_ptr = is_aliaschain_attr(context_handle_var->type, ATTR_CONTEXTHANDLE) ? FALSE : TRUE;
187 print_client("if (%s%s != 0)\n", is_ch_ptr ? "*" : "", context_handle_var->name);
188 indent++;
189 print_client("_Handle = NDRCContextBinding(%s%s);\n", is_ch_ptr ? "*" : "", context_handle_var->name);
190 indent--;
191 fprintf(client, "\n");
192 }
193 else if (implicit_handle)
194 {
195 print_client("_Handle = %s;\n", implicit_handle);
196 fprintf(client, "\n");
197 }
198
199 write_remoting_arguments(client, indent, func, PASS_IN, PHASE_BUFFERSIZE);
200
201 print_client("NdrGetBuffer(\n");
202 indent++;
203 print_client("(PMIDL_STUB_MESSAGE)&_StubMsg,\n");
204 print_client("_StubMsg.BufferLength,\n");
205 if (implicit_handle || explicit_handle_var || explicit_generic_handle_var || context_handle_var)
206 print_client("_Handle);\n");
207 else
208 print_client("%s__MIDL_AutoBindHandle);\n", iface->name);
209 indent--;
210 fprintf(client, "\n");
211
212 /* marshal arguments */
213 write_remoting_arguments(client, indent, func, PASS_IN, PHASE_MARSHAL);
214
215 /* send/receive message */
216 /* print_client("NdrNsSendReceive(\n"); */
217 /* print_client("(unsigned char *)_StubMsg.Buffer,\n"); */
218 /* print_client("(RPC_BINDING_HANDLE *) &%s__MIDL_AutoBindHandle);\n", iface->name); */
219 print_client("NdrSendReceive(\n");
220 indent++;
221 print_client("(PMIDL_STUB_MESSAGE)&_StubMsg,\n");
222 print_client("(unsigned char *)_StubMsg.Buffer);\n\n");
223 indent--;
224
225 print_client("_StubMsg.BufferStart = (unsigned char *)_RpcMessage.Buffer;\n");
226 print_client("_StubMsg.BufferEnd = _StubMsg.BufferStart + _RpcMessage.BufferLength;\n");
227
228 if (has_out_arg_or_return(func))
229 {
230 fprintf(client, "\n");
231
232 print_client("if ((_RpcMessage.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)\n");
233 indent++;
234 print_client("NdrConvert(\n");
235 indent++;
236 print_client("(PMIDL_STUB_MESSAGE)&_StubMsg,\n");
237 print_client("(PFORMAT_STRING)&__MIDL_ProcFormatString.Format[%u]);\n", *proc_offset);
238 indent -= 2;
239 }
240
241 /* unmarshall arguments */
242 fprintf(client, "\n");
243 write_remoting_arguments(client, indent, func, PASS_OUT, PHASE_UNMARSHAL);
244
245 /* unmarshal return value */
246 if (!is_void(get_func_return_type(func)))
247 {
248 if (decl_indirect(get_func_return_type(func)))
249 print_client("MIDL_memset(&%s, 0, sizeof(%s));\n", "_RetVal", "_RetVal");
250 else if (is_ptr(get_func_return_type(func)) || is_array(get_func_return_type(func)))
251 print_client("%s = 0;\n", "_RetVal");
252 write_remoting_arguments(client, indent, func, PASS_RETURN, PHASE_UNMARSHAL);
253 }
254
255 /* update proc_offset */
256 if (func->args)
257 {
258 LIST_FOR_EACH_ENTRY( var, func->args, const var_t, entry )
259 *proc_offset += get_size_procformatstring_type(var->name, var->type, var->attrs);
260 }
261 if (!is_void(get_func_return_type(func)))
262 *proc_offset += get_size_procformatstring_type("return value", get_func_return_type(func), NULL);
263 else
264 *proc_offset += 2; /* FC_END and FC_PAD */
265
266 indent--;
267 print_client("}\n");
268 print_client("RpcFinally\n");
269 print_client("{\n");
270 indent++;
271
272
273 /* FIXME: emit client finally code */
274
275 if (has_full_pointer)
276 write_full_pointer_free(client, indent, func);
277
278 print_client("NdrFreeBuffer((PMIDL_STUB_MESSAGE)&_StubMsg);\n");
279
280 if (!implicit_handle && explicit_generic_handle_var)
281 {
282 fprintf(client, "\n");
283 print_client("if (_Handle)\n");
284 indent++;
285 print_client("%s_unbind(%s, _Handle);\n",
286 get_explicit_generic_handle_type(explicit_generic_handle_var)->name,
287 explicit_generic_handle_var->name);
288 indent--;
289 }
290
291 indent--;
292 print_client("}\n");
293 print_client("RpcEndFinally\n");
294
295
296 /* emit return code */
297 if (!is_void(get_func_return_type(func)))
298 {
299 fprintf(client, "\n");
300 print_client("return _RetVal;\n");
301 }
302
303 indent--;
304 fprintf(client, "}\n");
305 fprintf(client, "\n");
306
307 method_count++;
308 }
309 }
310
311
312 static void write_stubdescdecl(type_t *iface)
313 {
314 print_client("static const MIDL_STUB_DESC %s_StubDesc;\n", iface->name);
315 fprintf(client, "\n");
316 }
317
318
319 static void write_stubdescriptor(type_t *iface, int expr_eval_routines)
320 {
321 const char *implicit_handle = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
322
323 print_client("static const MIDL_STUB_DESC %s_StubDesc =\n", iface->name);
324 print_client("{\n");
325 indent++;
326 print_client("(void *)& %s___RpcClientInterface,\n", iface->name);
327 print_client("MIDL_user_allocate,\n");
328 print_client("MIDL_user_free,\n");
329 print_client("{\n");
330 indent++;
331 if (implicit_handle)
332 print_client("&%s,\n", implicit_handle);
333 else
334 print_client("&%s__MIDL_AutoBindHandle,\n", iface->name);
335 indent--;
336 print_client("},\n");
337 print_client("0,\n");
338 print_client("0,\n");
339 if (expr_eval_routines)
340 print_client("ExprEvalRoutines,\n");
341 else
342 print_client("0,\n");
343 print_client("0,\n");
344 print_client("__MIDL_TypeFormatString.Format,\n");
345 print_client("1, /* -error bounds_check flag */\n");
346 print_client("0x10001, /* Ndr library version */\n");
347 print_client("0,\n");
348 print_client("0x50100a4, /* MIDL Version 5.1.164 */\n");
349 print_client("0,\n");
350 print_client("%s,\n", list_empty(&user_type_list) ? "0" : "UserMarshalRoutines");
351 print_client("0, /* notify & notify_flag routine table */\n");
352 print_client("1, /* Flags */\n");
353 print_client("0, /* Reserved3 */\n");
354 print_client("0, /* Reserved4 */\n");
355 print_client("0 /* Reserved5 */\n");
356 indent--;
357 print_client("};\n");
358 fprintf(client, "\n");
359 }
360
361
362 static void write_clientinterfacedecl(type_t *iface)
363 {
364 unsigned long ver = get_attrv(iface->attrs, ATTR_VERSION);
365 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
366 const str_list_t *endpoints = get_attrp(iface->attrs, ATTR_ENDPOINT);
367
368 if (endpoints) write_endpoints( client, iface->name, endpoints );
369
370 print_client("static const RPC_CLIENT_INTERFACE %s___RpcClientInterface =\n", iface->name );
371 print_client("{\n");
372 indent++;
373 print_client("sizeof(RPC_CLIENT_INTERFACE),\n");
374 print_client("{{0x%08lx,0x%04x,0x%04x,{0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x}},{%d,%d}},\n",
375 uuid->Data1, uuid->Data2, uuid->Data3, uuid->Data4[0], uuid->Data4[1],
376 uuid->Data4[2], uuid->Data4[3], uuid->Data4[4], uuid->Data4[5], uuid->Data4[6],
377 uuid->Data4[7], MAJORVERSION(ver), MINORVERSION(ver));
378 print_client("{{0x8a885d04,0x1ceb,0x11c9,{0x9f,0xe8,0x08,0x00,0x2b,0x10,0x48,0x60}},{2,0}},\n"); /* FIXME */
379 print_client("0,\n");
380 if (endpoints)
381 {
382 print_client("%u,\n", list_count(endpoints));
383 print_client("(PRPC_PROTSEQ_ENDPOINT)%s__RpcProtseqEndpoint,\n", iface->name);
384 }
385 else
386 {
387 print_client("0,\n");
388 print_client("0,\n");
389 }
390 print_client("0,\n");
391 print_client("0,\n");
392 print_client("0,\n");
393 indent--;
394 print_client("};\n");
395 if (old_names)
396 print_client("RPC_IF_HANDLE %s_ClientIfHandle = (RPC_IF_HANDLE)& %s___RpcClientInterface;\n",
397 iface->name, iface->name);
398 else
399 print_client("RPC_IF_HANDLE %s%s_v%d_%d_c_ifspec = (RPC_IF_HANDLE)& %s___RpcClientInterface;\n",
400 prefix_client, iface->name, MAJORVERSION(ver), MINORVERSION(ver), iface->name);
401 fprintf(client, "\n");
402 }
403
404
405 static void write_implicithandledecl(type_t *iface)
406 {
407 const char *implicit_handle = get_attrp(iface->attrs, ATTR_IMPLICIT_HANDLE);
408
409 if (implicit_handle)
410 {
411 fprintf(client, "handle_t %s;\n", implicit_handle);
412 fprintf(client, "\n");
413 }
414 }
415
416
417 static void init_client(void)
418 {
419 if (client) return;
420 if (!(client = fopen(client_name, "w")))
421 error("Could not open %s for output\n", client_name);
422
423 print_client("/*** Autogenerated by WIDL %s from %s - Do not edit ***/\n", PACKAGE_VERSION, input_name);
424 print_client("#include <string.h>\n");
425 print_client("#ifdef _ALPHA_\n");
426 print_client("#include <stdarg.h>\n");
427 print_client("#endif\n");
428 fprintf(client, "\n");
429 print_client("#include \"%s\"\n", header_name);
430 fprintf(client, "\n");
431 }
432
433
434 static void write_client_ifaces(const statement_list_t *stmts, int expr_eval_routines, unsigned int *proc_offset)
435 {
436 const statement_t *stmt;
437 if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
438 {
439 if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
440 {
441 type_t *iface = stmt->u.type;
442 if (!need_stub(iface))
443 return;
444
445 fprintf(client, "/*****************************************************************************\n");
446 fprintf(client, " * %s interface\n", iface->name);
447 fprintf(client, " */\n");
448 fprintf(client, "\n");
449
450 if (iface->funcs)
451 {
452 write_implicithandledecl(iface);
453
454 write_clientinterfacedecl(iface);
455 write_stubdescdecl(iface);
456 write_function_stubs(iface, proc_offset);
457
458 print_client("#if !defined(__RPC_WIN32__)\n");
459 print_client("#error Invalid build platform for this stub.\n");
460 print_client("#endif\n");
461
462 fprintf(client, "\n");
463 write_stubdescriptor(iface, expr_eval_routines);
464 }
465 }
466 else if (stmt->type == STMT_LIBRARY)
467 write_client_ifaces(stmt->u.lib->stmts, expr_eval_routines, proc_offset);
468 }
469 }
470
471 void write_client(const statement_list_t *stmts)
472 {
473 unsigned int proc_offset = 0;
474 int expr_eval_routines;
475
476 if (!do_client)
477 return;
478 if (do_everything && !need_stub_files(stmts))
479 return;
480
481 init_client();
482 if (!client)
483 return;
484
485 write_formatstringsdecl(client, indent, stmts, need_stub);
486 expr_eval_routines = write_expr_eval_routines(client, client_token);
487 if (expr_eval_routines)
488 write_expr_eval_routine_list(client, client_token);
489 write_user_quad_list(client);
490
491 write_client_ifaces(stmts, expr_eval_routines, &proc_offset);
492
493 fprintf(client, "\n");
494
495 write_procformatstring(client, stmts, need_stub);
496 write_typeformatstring(client, stmts, need_stub);
497
498 fclose(client);
499 }
DirectPlay implementation for GSoC