/* * Copyright 2009 Piotr Caban * * 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 #include "jscript.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(jscript); static const WCHAR descriptionW[] = {'d','e','s','c','r','i','p','t','i','o','n',0}; static const WCHAR messageW[] = {'m','e','s','s','a','g','e',0}; static const WCHAR nameW[] = {'n','a','m','e',0}; static const WCHAR numberW[] = {'n','u','m','b','e','r',0}; static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0}; /* ECMA-262 3rd Edition 15.11.4.4 */ static HRESULT Error_toString(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r) { jsdisp_t *jsthis; jsstr_t *name = NULL, *msg = NULL, *ret = NULL; jsval_t v; HRESULT hres; static const WCHAR object_errorW[] = {'[','o','b','j','e','c','t',' ','E','r','r','o','r',']',0}; TRACE("\n"); jsthis = get_jsdisp(vthis); if(!jsthis || ctx->version < 2) { if(r) { jsstr_t *str; str = jsstr_alloc(object_errorW); if(!str) return E_OUTOFMEMORY; *r = jsval_string(str); } return S_OK; } hres = jsdisp_propget_name(jsthis, nameW, &v); if(FAILED(hres)) return hres; if(!is_undefined(v)) { hres = to_string(ctx, v, &name); jsval_release(v); if(FAILED(hres)) return hres; } hres = jsdisp_propget_name(jsthis, messageW, &v); if(SUCCEEDED(hres)) { if(!is_undefined(v)) { hres = to_string(ctx, v, &msg); jsval_release(v); } } if(SUCCEEDED(hres)) { unsigned name_len = name ? jsstr_length(name) : 0; unsigned msg_len = msg ? jsstr_length(msg) : 0; if(name_len && msg_len) { WCHAR *ptr; ret = jsstr_alloc_buf(name_len + msg_len + 2, &ptr); if(ret) { jsstr_flush(name, ptr); ptr[name_len] = ':'; ptr[name_len+1] = ' '; jsstr_flush(msg, ptr+name_len+2); }else { hres = E_OUTOFMEMORY; } }else if(name_len) { ret = name; name = NULL; }else if(msg_len) { ret = msg; msg = NULL; }else { ret = jsstr_alloc(object_errorW); } } if(msg) jsstr_release(msg); if(name) jsstr_release(name); if(FAILED(hres)) return hres; if(!ret) return E_OUTOFMEMORY; if(r) *r = jsval_string(ret); else jsstr_release(ret); return S_OK; } static HRESULT Error_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r) { TRACE("\n"); switch(flags) { case INVOKE_FUNC: return throw_type_error(ctx, JS_E_FUNCTION_EXPECTED, NULL); default: FIXME("unimplemented flags %x\n", flags); return E_NOTIMPL; } return S_OK; } static const builtin_prop_t Error_props[] = { {toStringW, Error_toString, PROPF_METHOD} }; static const builtin_info_t Error_info = { JSCLASS_ERROR, {NULL, Error_value, 0}, sizeof(Error_props)/sizeof(*Error_props), Error_props, NULL, NULL }; static const builtin_info_t ErrorInst_info = { JSCLASS_ERROR, {NULL, Error_value, 0}, 0, NULL, NULL, NULL }; static HRESULT alloc_error(script_ctx_t *ctx, jsdisp_t *prototype, jsdisp_t *constr, jsdisp_t **ret) { jsdisp_t *err; HRESULT hres; err = heap_alloc_zero(sizeof(*err)); if(!err) return E_OUTOFMEMORY; if(prototype) hres = init_dispex(err, ctx, &Error_info, prototype); else hres = init_dispex_from_constr(err, ctx, &ErrorInst_info, constr ? constr : ctx->error_constr); if(FAILED(hres)) { heap_free(err); return hres; } *ret = err; return S_OK; } static HRESULT create_error(script_ctx_t *ctx, jsdisp_t *constr, UINT number, jsstr_t *msg, jsdisp_t **ret) { jsdisp_t *err; HRESULT hres; hres = alloc_error(ctx, NULL, constr, &err); if(FAILED(hres)) return hres; hres = jsdisp_define_data_property(err, numberW, PROPF_WRITABLE | PROPF_CONFIGURABLE, jsval_number((INT)number)); if(FAILED(hres)) { jsdisp_release(err); return hres; } hres = jsdisp_define_data_property(err, messageW, PROPF_WRITABLE | PROPF_ENUMERABLE | PROPF_CONFIGURABLE, jsval_string(msg)); if(SUCCEEDED(hres)) hres = jsdisp_define_data_property(err, descriptionW, PROPF_WRITABLE | PROPF_CONFIGURABLE, jsval_string(msg)); if(FAILED(hres)) { jsdisp_release(err); return hres; } *ret = err; return S_OK; } static HRESULT error_constr(script_ctx_t *ctx, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r, jsdisp_t *constr) { jsdisp_t *err; UINT num = 0; jsstr_t *msg = NULL; HRESULT hres; if(argc) { double n; hres = to_number(ctx, argv[0], &n); if(FAILED(hres)) /* FIXME: really? */ n = NAN; if(isnan(n)) hres = to_string(ctx, argv[0], &msg); if(FAILED(hres)) return hres; num = n; } if(!msg) { if(argc > 1) { hres = to_string(ctx, argv[1], &msg); if(FAILED(hres)) return hres; }else { msg = jsstr_empty(); } } switch(flags) { case INVOKE_FUNC: case DISPATCH_CONSTRUCT: hres = create_error(ctx, constr, num, msg, &err); jsstr_release(msg); if(FAILED(hres)) return hres; if(r) *r = jsval_obj(err); else jsdisp_release(err); return S_OK; default: if(msg) jsstr_release(msg); FIXME("unimplemented flags %x\n", flags); return E_NOTIMPL; } } static HRESULT ErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r) { TRACE("\n"); return error_constr(ctx, flags, argc, argv, r, ctx->error_constr); } static HRESULT EvalErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r) { TRACE("\n"); return error_constr(ctx, flags, argc, argv, r, ctx->eval_error_constr); } static HRESULT RangeErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r) { TRACE("\n"); return error_constr(ctx, flags, argc, argv, r, ctx->range_error_constr); } static HRESULT ReferenceErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r) { TRACE("\n"); return error_constr(ctx, flags, argc, argv, r, ctx->reference_error_constr); } static HRESULT RegExpErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r) { TRACE("\n"); return error_constr(ctx, flags, argc, argv, r, ctx->regexp_error_constr); } static HRESULT SyntaxErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r) { TRACE("\n"); return error_constr(ctx, flags, argc, argv, r, ctx->syntax_error_constr); } static HRESULT TypeErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r) { TRACE("\n"); return error_constr(ctx, flags, argc, argv, r, ctx->type_error_constr); } static HRESULT URIErrorConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r) { TRACE("\n"); return error_constr(ctx, flags, argc, argv, r, ctx->uri_error_constr); } HRESULT init_error_constr(script_ctx_t *ctx, jsdisp_t *object_prototype) { static const WCHAR ErrorW[] = {'E','r','r','o','r',0}; static const WCHAR EvalErrorW[] = {'E','v','a','l','E','r','r','o','r',0}; static const WCHAR RangeErrorW[] = {'R','a','n','g','e','E','r','r','o','r',0}; static const WCHAR ReferenceErrorW[] = {'R','e','f','e','r','e','n','c','e','E','r','r','o','r',0}; static const WCHAR RegExpErrorW[] = {'R','e','g','E','x','p','E','r','r','o','r',0}; static const WCHAR SyntaxErrorW[] = {'S','y','n','t','a','x','E','r','r','o','r',0}; static const WCHAR TypeErrorW[] = {'T','y','p','e','E','r','r','o','r',0}; static const WCHAR URIErrorW[] = {'U','R','I','E','r','r','o','r',0}; static const WCHAR *names[] = {ErrorW, EvalErrorW, RangeErrorW, ReferenceErrorW, RegExpErrorW, SyntaxErrorW, TypeErrorW, URIErrorW}; jsdisp_t **constr_addr[] = {&ctx->error_constr, &ctx->eval_error_constr, &ctx->range_error_constr, &ctx->reference_error_constr, &ctx->regexp_error_constr, &ctx->syntax_error_constr, &ctx->type_error_constr, &ctx->uri_error_constr}; static builtin_invoke_t constr_val[] = {ErrorConstr_value, EvalErrorConstr_value, RangeErrorConstr_value, ReferenceErrorConstr_value, RegExpErrorConstr_value, SyntaxErrorConstr_value, TypeErrorConstr_value, URIErrorConstr_value}; jsdisp_t *err; unsigned int i; jsstr_t *str; HRESULT hres; for(i=0; i < sizeof(names)/sizeof(names[0]); i++) { hres = alloc_error(ctx, i==0 ? object_prototype : NULL, NULL, &err); if(FAILED(hres)) return hres; str = jsstr_alloc(names[i]); if(!str) { jsdisp_release(err); return E_OUTOFMEMORY; } hres = jsdisp_define_data_property(err, nameW, PROPF_WRITABLE | PROPF_CONFIGURABLE, jsval_string(str)); jsstr_release(str); if(SUCCEEDED(hres)) hres = create_builtin_constructor(ctx, constr_val[i], names[i], NULL, PROPF_CONSTR|1, err, constr_addr[i]); jsdisp_release(err); if(FAILED(hres)) return hres; } return S_OK; } static HRESULT throw_error(script_ctx_t *ctx, HRESULT error, const WCHAR *str, jsdisp_t *constr) { WCHAR buf[1024], *pos = NULL; jsdisp_t *err; jsstr_t *msg; HRESULT hres; if(!is_jscript_error(error)) return error; buf[0] = '\0'; LoadStringW(jscript_hinstance, HRESULT_CODE(error), buf, sizeof(buf)/sizeof(WCHAR)); if(str) pos = strchrW(buf, '|'); if(pos) { int len = strlenW(str); memmove(pos+len, pos+1, (strlenW(pos+1)+1)*sizeof(WCHAR)); memcpy(pos, str, len*sizeof(WCHAR)); } WARN("%s\n", debugstr_w(buf)); msg = jsstr_alloc(buf); if(!msg) return E_OUTOFMEMORY; hres = create_error(ctx, constr, error, msg, &err); jsstr_release(msg); if(FAILED(hres)) return hres; jsval_release(ctx->ei.val); ctx->ei.val = jsval_obj(err); return error; } HRESULT throw_generic_error(script_ctx_t *ctx, HRESULT error, const WCHAR *str) { return throw_error(ctx, error, str, ctx->error_constr); } HRESULT throw_range_error(script_ctx_t *ctx, HRESULT error, const WCHAR *str) { return throw_error(ctx, error, str, ctx->range_error_constr); } HRESULT throw_reference_error(script_ctx_t *ctx, HRESULT error, const WCHAR *str) { return throw_error(ctx, error, str, ctx->reference_error_constr); } HRESULT throw_regexp_error(script_ctx_t *ctx, HRESULT error, const WCHAR *str) { return throw_error(ctx, error, str, ctx->regexp_error_constr); } HRESULT throw_syntax_error(script_ctx_t *ctx, HRESULT error, const WCHAR *str) { return throw_error(ctx, error, str, ctx->syntax_error_constr); } HRESULT throw_type_error(script_ctx_t *ctx, HRESULT error, const WCHAR *str) { return throw_error(ctx, error, str, ctx->type_error_constr); } HRESULT throw_uri_error(script_ctx_t *ctx, HRESULT error, const WCHAR *str) { return throw_error(ctx, error, str, ctx->uri_error_constr); }