2 * Copyright 2008 Jacek Caban for CodeWeavers
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
24 #include "wine/debug.h"
26 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
28 const char *debugstr_variant(const VARIANT *v)
32 return wine_dbg_sprintf("{VT_EMPTY}");
34 return wine_dbg_sprintf("{VT_NULL}");
36 return wine_dbg_sprintf("{VT_I4: %d}", V_I4(v));
38 return wine_dbg_sprintf("{VT_R8: %lf}", V_R8(v));
40 return wine_dbg_sprintf("{VT_BSTR: %s}", debugstr_w(V_BSTR(v)));
42 return wine_dbg_sprintf("{VT_DISPATCH: %p}", V_DISPATCH(v));
44 return wine_dbg_sprintf("{VT_BOOL: %x}", V_BOOL(v));
46 return wine_dbg_sprintf("{vt %d}", V_VT(v));
50 #define MIN_BLOCK_SIZE 128
52 static inline DWORD block_size(DWORD block)
54 return MIN_BLOCK_SIZE << block;
57 void jsheap_init(jsheap_t *heap)
59 memset(heap, 0, sizeof(*heap));
60 list_init(&heap->custom_blocks);
63 void *jsheap_alloc(jsheap_t *heap, DWORD size)
68 if(!heap->block_cnt) {
70 heap->blocks = heap_alloc(sizeof(void*));
75 tmp = heap_alloc(block_size(0));
79 heap->blocks[0] = tmp;
83 if(heap->offset + size < block_size(heap->last_block)) {
84 tmp = ((BYTE*)heap->blocks[heap->last_block])+heap->offset;
89 if(size < block_size(heap->last_block+1)) {
90 if(heap->last_block+1 == heap->block_cnt) {
91 tmp = heap_realloc(heap->blocks, (heap->block_cnt+1)*sizeof(void*));
97 tmp = heap_alloc(block_size(heap->block_cnt+1));
101 heap->blocks[heap->block_cnt++] = tmp;
105 return heap->blocks[heap->last_block];
108 list = heap_alloc(size + sizeof(struct list));
112 list_add_head(&heap->custom_blocks, list);
116 void *jsheap_grow(jsheap_t *heap, void *mem, DWORD size, DWORD inc)
118 if(mem == (BYTE*)heap->blocks[heap->last_block] + heap->offset-size
119 && heap->offset+inc < block_size(heap->last_block)) {
124 return jsheap_alloc(heap, size+inc);
127 void jsheap_clear(jsheap_t *heap)
134 while((tmp = list_next(&heap->custom_blocks, &heap->custom_blocks))) {
139 heap->last_block = heap->offset = 0;
142 void jsheap_free(jsheap_t *heap)
148 for(i=0; i < heap->block_cnt; i++)
149 heap_free(heap->blocks[i]);
150 heap_free(heap->blocks);
155 jsheap_t *jsheap_mark(jsheap_t *heap)
164 /* ECMA-262 3rd Edition 9.1 */
165 HRESULT to_primitive(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, VARIANT *ret)
177 V_BSTR(ret) = SysAllocString(V_BSTR(v));
180 return disp_propget(V_DISPATCH(v), DISPID_VALUE, ctx->lcid, ret, ei, NULL /*FIXME*/);
182 FIXME("Unimplemented for vt %d\n", V_VT(v));
189 /* ECMA-262 3rd Edition 9.2 */
190 HRESULT to_boolean(VARIANT *v, VARIANT_BOOL *b)
198 *b = V_I4(v) ? VARIANT_TRUE : VARIANT_FALSE;
201 *b = V_R8(v) ? VARIANT_TRUE : VARIANT_FALSE;
204 *b = V_BSTR(v) && *V_BSTR(v) ? VARIANT_TRUE : VARIANT_FALSE;
207 *b = V_DISPATCH(v) ? VARIANT_TRUE : VARIANT_FALSE;
213 FIXME("unimplemented for vt %d\n", V_VT(v));
220 /* ECMA-262 3rd Edition 9.3 */
221 HRESULT to_number(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, VARIANT *ret)
234 V_I4(ret) = V_BOOL(v) ? 1 : 0;
237 FIXME("unimplemented for vt %d\n", V_VT(v));
244 /* ECMA-262 3rd Edition 9.4 */
245 HRESULT to_integer(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, VARIANT *ret)
250 hres = to_number(ctx, v, ei, &num);
254 if(V_VT(&num) == VT_I4)
257 num_set_val(ret, V_R8(&num) >= 0.0 ? floor(V_R8(&num)) : -floor(-V_R8(&num)));
262 /* ECMA-262 3rd Edition 9.5 */
263 HRESULT to_int32(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, INT *ret)
268 hres = to_number(ctx, v, ei, &num);
272 *ret = V_VT(&num) == VT_I4 ? V_I4(&num) : (INT)V_R8(&num);
276 static BSTR int_to_bstr(INT i)
282 static const WCHAR zeroW[] = {'0',0};
283 return SysAllocString(zeroW);
291 p = buf + sizeof(buf)/sizeof(*buf)-1;
303 return SysAllocString(p);
306 /* ECMA-262 3rd Edition 9.8 */
307 HRESULT to_string(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, BSTR *str)
311 *str = int_to_bstr(V_I4(v));
315 *str = SysAllocString(V_BSTR(v));
319 FIXME("unsupported vt %d\n", V_VT(v));
323 return *str ? S_OK : E_OUTOFMEMORY;
326 /* ECMA-262 3rd Edition 9.9 */
327 HRESULT to_object(exec_ctx_t *ctx, VARIANT *v, IDispatch **disp)
334 hres = create_string(ctx->parser->script, V_BSTR(v), SysStringLen(V_BSTR(v)), &dispex);
338 *disp = (IDispatch*)_IDispatchEx_(dispex);
342 hres = create_number(ctx->parser->script, v, &dispex);
346 *disp = (IDispatch*)_IDispatchEx_(dispex);
349 IDispatch_AddRef(V_DISPATCH(v));
350 *disp = V_DISPATCH(v);
353 hres = create_bool(ctx->parser->script, V_BOOL(v), &dispex);
357 *disp = (IDispatch*)_IDispatchEx_(dispex);
360 FIXME("unsupported vt %d\n", V_VT(v));