Release 1.5.13.
[wine.git] / dlls / jscript / error.c
blob5ff29fd01a6c390215e624d52da198c54b37484d
1 /*
2 * Copyright 2009 Piotr Caban
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 #include "config.h"
20 #include "wine/port.h"
22 #include <math.h>
24 #include "jscript.h"
26 #include "wine/debug.h"
28 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
30 static const WCHAR descriptionW[] = {'d','e','s','c','r','i','p','t','i','o','n',0};
31 static const WCHAR messageW[] = {'m','e','s','s','a','g','e',0};
32 static const WCHAR nameW[] = {'n','a','m','e',0};
33 static const WCHAR numberW[] = {'n','u','m','b','e','r',0};
34 static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
36 /* ECMA-262 3rd Edition 15.11.4.4 */
37 static HRESULT Error_toString(script_ctx_t *ctx, vdisp_t *vthis, WORD flags,
38 unsigned argc, VARIANT *argv, VARIANT *retv, jsexcept_t *ei)
40 jsdisp_t *jsthis;
41 BSTR name = NULL, msg = NULL, ret = NULL;
42 VARIANT v;
43 HRESULT hres;
45 static const WCHAR object_errorW[] = {'[','o','b','j','e','c','t',' ','E','r','r','o','r',']',0};
47 TRACE("\n");
49 jsthis = get_jsdisp(vthis);
50 if(!jsthis || ctx->version < 2) {
51 if(retv) {
52 V_VT(retv) = VT_BSTR;
53 V_BSTR(retv) = SysAllocString(object_errorW);
54 if(!V_BSTR(retv))
55 return E_OUTOFMEMORY;
57 return S_OK;
60 hres = jsdisp_propget_name(jsthis, nameW, &v, ei);
61 if(FAILED(hres))
62 return hres;
64 if(V_VT(&v) != VT_EMPTY) {
65 hres = to_string(ctx, &v, ei, &name);
66 VariantClear(&v);
67 if(FAILED(hres))
68 return hres;
69 if(!*name) {
70 SysFreeString(name);
71 name = NULL;
75 hres = jsdisp_propget_name(jsthis, messageW, &v, ei);
76 if(SUCCEEDED(hres)) {
77 if(V_VT(&v) != VT_EMPTY) {
78 hres = to_string(ctx, &v, ei, &msg);
79 VariantClear(&v);
80 if(SUCCEEDED(hres) && !*msg) {
81 SysFreeString(msg);
82 msg = NULL;
87 if(SUCCEEDED(hres)) {
88 if(name && msg) {
89 DWORD name_len, msg_len;
91 name_len = SysStringLen(name);
92 msg_len = SysStringLen(msg);
94 ret = SysAllocStringLen(NULL, name_len + msg_len + 2);
95 if(ret) {
96 memcpy(ret, name, name_len*sizeof(WCHAR));
97 ret[name_len] = ':';
98 ret[name_len+1] = ' ';
99 memcpy(ret+name_len+2, msg, msg_len*sizeof(WCHAR));
101 }else if(name) {
102 ret = name;
103 name = NULL;
104 }else if(msg) {
105 ret = msg;
106 msg = NULL;
107 }else {
108 ret = SysAllocString(object_errorW);
112 SysFreeString(msg);
113 SysFreeString(name);
114 if(FAILED(hres))
115 return hres;
116 if(!ret)
117 return E_OUTOFMEMORY;
119 if(retv) {
120 V_VT(retv) = VT_BSTR;
121 V_BSTR(retv) = ret;
122 }else {
123 SysFreeString(ret);
126 return S_OK;
129 static HRESULT Error_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
130 unsigned argc, VARIANT *argv, VARIANT *retv, jsexcept_t *ei)
132 TRACE("\n");
134 switch(flags) {
135 case INVOKE_FUNC:
136 return throw_type_error(ctx, ei, JS_E_FUNCTION_EXPECTED, NULL);
137 default:
138 FIXME("unimplemented flags %x\n", flags);
139 return E_NOTIMPL;
142 return S_OK;
145 static const builtin_prop_t Error_props[] = {
146 {toStringW, Error_toString, PROPF_METHOD}
149 static const builtin_info_t Error_info = {
150 JSCLASS_ERROR,
151 {NULL, Error_value, 0},
152 sizeof(Error_props)/sizeof(*Error_props),
153 Error_props,
154 NULL,
155 NULL
158 static const builtin_info_t ErrorInst_info = {
159 JSCLASS_ERROR,
160 {NULL, Error_value, 0},
162 NULL,
163 NULL,
164 NULL
167 static HRESULT alloc_error(script_ctx_t *ctx, jsdisp_t *prototype,
168 jsdisp_t *constr, jsdisp_t **ret)
170 jsdisp_t *err;
171 HRESULT hres;
173 err = heap_alloc_zero(sizeof(*err));
174 if(!err)
175 return E_OUTOFMEMORY;
177 if(prototype)
178 hres = init_dispex(err, ctx, &Error_info, prototype);
179 else
180 hres = init_dispex_from_constr(err, ctx, &ErrorInst_info,
181 constr ? constr : ctx->error_constr);
182 if(FAILED(hres)) {
183 heap_free(err);
184 return hres;
187 *ret = err;
188 return S_OK;
191 static HRESULT create_error(script_ctx_t *ctx, jsdisp_t *constr,
192 UINT number, const WCHAR *msg, jsdisp_t **ret)
194 jsdisp_t *err;
195 VARIANT v;
196 HRESULT hres;
198 hres = alloc_error(ctx, NULL, constr, &err);
199 if(FAILED(hres))
200 return hres;
202 num_set_int(&v, number);
203 hres = jsdisp_propput_name(err, numberW, &v, NULL/*FIXME*/);
204 if(FAILED(hres)) {
205 jsdisp_release(err);
206 return hres;
209 V_VT(&v) = VT_BSTR;
210 if(msg) V_BSTR(&v) = SysAllocString(msg);
211 else V_BSTR(&v) = SysAllocStringLen(NULL, 0);
212 if(V_BSTR(&v)) {
213 hres = jsdisp_propput_name(err, messageW, &v, NULL/*FIXME*/);
214 if(SUCCEEDED(hres))
215 hres = jsdisp_propput_name(err, descriptionW, &v, NULL/*FIXME*/);
216 SysFreeString(V_BSTR(&v));
217 }else {
218 hres = E_OUTOFMEMORY;
220 if(FAILED(hres)) {
221 jsdisp_release(err);
222 return hres;
225 *ret = err;
226 return S_OK;
229 static HRESULT error_constr(script_ctx_t *ctx, WORD flags, unsigned argc, VARIANT *argv,
230 VARIANT *retv, jsexcept_t *ei, jsdisp_t *constr) {
231 jsdisp_t *err;
232 UINT num = 0;
233 BSTR msg = NULL;
234 HRESULT hres;
236 if(argc) {
237 double n;
239 hres = to_number(ctx, argv, ei, &n);
240 if(FAILED(hres)) /* FIXME: really? */
241 n = NAN;
242 if(isnan(n))
243 hres = to_string(ctx, argv, ei, &msg);
244 if(FAILED(hres))
245 return hres;
246 num = n;
249 if(argc>1 && !msg) {
250 hres = to_string(ctx, argv+1, ei, &msg);
251 if(FAILED(hres))
252 return hres;
255 switch(flags) {
256 case INVOKE_FUNC:
257 case DISPATCH_CONSTRUCT:
258 hres = create_error(ctx, constr, num, msg, &err);
259 SysFreeString(msg);
261 if(FAILED(hres))
262 return hres;
264 if(retv)
265 var_set_jsdisp(retv, err);
266 else
267 jsdisp_release(err);
269 return S_OK;
271 default:
272 FIXME("unimplemented flags %x\n", flags);
273 return E_NOTIMPL;
277 static HRESULT ErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
278 unsigned argc, VARIANT *argv, VARIANT *retv, jsexcept_t *ei)
280 TRACE("\n");
281 return error_constr(ctx, flags, argc, argv, retv, ei, ctx->error_constr);
284 static HRESULT EvalErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
285 unsigned argc, VARIANT *argv, VARIANT *retv, jsexcept_t *ei)
287 TRACE("\n");
288 return error_constr(ctx, flags, argc, argv, retv, ei, ctx->eval_error_constr);
291 static HRESULT RangeErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
292 unsigned argc, VARIANT *argv, VARIANT *retv, jsexcept_t *ei)
294 TRACE("\n");
295 return error_constr(ctx, flags, argc, argv, retv, ei, ctx->range_error_constr);
298 static HRESULT ReferenceErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
299 unsigned argc, VARIANT *argv, VARIANT *retv, jsexcept_t *ei)
301 TRACE("\n");
302 return error_constr(ctx, flags, argc, argv, retv, ei, ctx->reference_error_constr);
305 static HRESULT RegExpErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
306 unsigned argc, VARIANT *argv, VARIANT *retv, jsexcept_t *ei)
308 TRACE("\n");
309 return error_constr(ctx, flags, argc, argv, retv, ei, ctx->regexp_error_constr);
312 static HRESULT SyntaxErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
313 unsigned argc, VARIANT *argv, VARIANT *retv, jsexcept_t *ei)
315 TRACE("\n");
316 return error_constr(ctx, flags, argc, argv, retv, ei, ctx->syntax_error_constr);
319 static HRESULT TypeErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
320 unsigned argc, VARIANT *argv, VARIANT *retv, jsexcept_t *ei)
322 TRACE("\n");
323 return error_constr(ctx, flags, argc, argv, retv, ei, ctx->type_error_constr);
326 static HRESULT URIErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
327 unsigned argc, VARIANT *argv, VARIANT *retv, jsexcept_t *ei)
329 TRACE("\n");
330 return error_constr(ctx, flags, argc, argv, retv, ei, ctx->uri_error_constr);
333 HRESULT init_error_constr(script_ctx_t *ctx, jsdisp_t *object_prototype)
335 static const WCHAR ErrorW[] = {'E','r','r','o','r',0};
336 static const WCHAR EvalErrorW[] = {'E','v','a','l','E','r','r','o','r',0};
337 static const WCHAR RangeErrorW[] = {'R','a','n','g','e','E','r','r','o','r',0};
338 static const WCHAR ReferenceErrorW[] = {'R','e','f','e','r','e','n','c','e','E','r','r','o','r',0};
339 static const WCHAR RegExpErrorW[] = {'R','e','g','E','x','p','E','r','r','o','r',0};
340 static const WCHAR SyntaxErrorW[] = {'S','y','n','t','a','x','E','r','r','o','r',0};
341 static const WCHAR TypeErrorW[] = {'T','y','p','e','E','r','r','o','r',0};
342 static const WCHAR URIErrorW[] = {'U','R','I','E','r','r','o','r',0};
343 static const WCHAR *names[] = {ErrorW, EvalErrorW, RangeErrorW,
344 ReferenceErrorW, RegExpErrorW, SyntaxErrorW, TypeErrorW, URIErrorW};
345 jsdisp_t **constr_addr[] = {&ctx->error_constr, &ctx->eval_error_constr,
346 &ctx->range_error_constr, &ctx->reference_error_constr, &ctx->regexp_error_constr,
347 &ctx->syntax_error_constr, &ctx->type_error_constr,
348 &ctx->uri_error_constr};
349 static builtin_invoke_t constr_val[] = {ErrorConstr_value, EvalErrorConstr_value,
350 RangeErrorConstr_value, ReferenceErrorConstr_value, RegExpErrorConstr_value,
351 SyntaxErrorConstr_value, TypeErrorConstr_value, URIErrorConstr_value};
353 jsdisp_t *err;
354 INT i;
355 VARIANT v;
356 HRESULT hres;
358 for(i=0; i < sizeof(names)/sizeof(names[0]); i++) {
359 hres = alloc_error(ctx, i==0 ? object_prototype : NULL, NULL, &err);
360 if(FAILED(hres))
361 return hres;
363 V_VT(&v) = VT_BSTR;
364 V_BSTR(&v) = SysAllocString(names[i]);
365 if(!V_BSTR(&v)) {
366 jsdisp_release(err);
367 return E_OUTOFMEMORY;
370 hres = jsdisp_propput_name(err, nameW, &v, NULL/*FIXME*/);
372 if(SUCCEEDED(hres))
373 hres = create_builtin_constructor(ctx, constr_val[i], names[i], NULL,
374 PROPF_CONSTR|1, err, constr_addr[i]);
376 jsdisp_release(err);
377 VariantClear(&v);
378 if(FAILED(hres))
379 return hres;
382 return S_OK;
385 static HRESULT throw_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str, jsdisp_t *constr)
387 WCHAR buf[1024], *pos = NULL;
388 jsdisp_t *err;
389 HRESULT hres;
391 if(!is_jscript_error(error))
392 return error;
394 buf[0] = '\0';
395 LoadStringW(jscript_hinstance, HRESULT_CODE(error), buf, sizeof(buf)/sizeof(WCHAR));
397 if(str) pos = strchrW(buf, '|');
398 if(pos) {
399 int len = strlenW(str);
400 memmove(pos+len, pos+1, (strlenW(pos+1)+1)*sizeof(WCHAR));
401 memcpy(pos, str, len*sizeof(WCHAR));
404 WARN("%s\n", debugstr_w(buf));
406 hres = create_error(ctx, constr, error, buf, &err);
407 if(FAILED(hres))
408 return hres;
410 if(ei)
411 var_set_jsdisp(&ei->var, err);
412 return error;
415 HRESULT throw_generic_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
417 return throw_error(ctx, ei, error, str, ctx->error_constr);
420 HRESULT throw_range_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
422 return throw_error(ctx, ei, error, str, ctx->range_error_constr);
425 HRESULT throw_reference_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
427 return throw_error(ctx, ei, error, str, ctx->reference_error_constr);
430 HRESULT throw_regexp_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
432 return throw_error(ctx, ei, error, str, ctx->regexp_error_constr);
435 HRESULT throw_syntax_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
437 return throw_error(ctx, ei, error, str, ctx->syntax_error_constr);
440 HRESULT throw_type_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
442 return throw_error(ctx, ei, error, str, ctx->type_error_constr);
445 HRESULT throw_uri_error(script_ctx_t *ctx, jsexcept_t *ei, HRESULT error, const WCHAR *str)
447 return throw_error(ctx, ei, error, str, ctx->uri_error_constr);