2 * Copyright 2011 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
25 #include "wine/debug.h"
27 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
28 WINE_DECLARE_DEBUG_CHANNEL(jscript_disas);
30 typedef struct _statement_ctx_t {
36 unsigned continue_label;
38 const labelled_statement_t *labelled_stat;
40 struct _statement_ctx_t *next;
54 statement_ctx_t *stat_ctx;
55 function_code_t *func;
57 variable_declaration_t *var_head;
58 variable_declaration_t *var_tail;
60 function_expression_t *func_head;
61 function_expression_t *func_tail;
66 instr_arg_type_t arg1_type;
67 instr_arg_type_t arg2_type;
69 #define X(n,a,b,c) {#n,b,c},
74 static void dump_instr_arg(instr_arg_type_t type, instr_arg_t *arg)
78 TRACE_(jscript_disas)("\t%s", debugstr_w(arg->str));
81 TRACE_(jscript_disas)("\t%s", debugstr_wn(arg->bstr, SysStringLen(arg->bstr)));
84 TRACE_(jscript_disas)("\t%d", arg->uint);
88 TRACE_(jscript_disas)("\t%u", arg->uint);
98 static void dump_code(compiler_ctx_t *ctx, unsigned off)
102 for(instr = ctx->code->instrs+off; instr < ctx->code->instrs+ctx->code_off; instr++) {
103 TRACE_(jscript_disas)("%d:\t%s", (int)(instr-ctx->code->instrs), instr_info[instr->op].op_str);
104 if(instr_info[instr->op].arg1_type == ARG_DBL) {
105 TRACE_(jscript_disas)("\t%lf", instr->u.dbl);
107 dump_instr_arg(instr_info[instr->op].arg1_type, instr->u.arg);
108 dump_instr_arg(instr_info[instr->op].arg2_type, instr->u.arg+1);
110 TRACE_(jscript_disas)("\n");
114 static HRESULT compile_expression(compiler_ctx_t*,expression_t*);
115 static HRESULT compile_statement(compiler_ctx_t*,statement_ctx_t*,statement_t*);
117 static inline void *compiler_alloc(bytecode_t *code, size_t size)
119 return jsheap_alloc(&code->heap, size);
122 static WCHAR *compiler_alloc_string(bytecode_t *code, const WCHAR *str)
127 size = (strlenW(str)+1)*sizeof(WCHAR);
128 ret = compiler_alloc(code, size);
130 memcpy(ret, str, size);
134 static BSTR compiler_alloc_bstr(compiler_ctx_t *ctx, const WCHAR *str)
136 if(!ctx->code->bstr_pool_size) {
137 ctx->code->bstr_pool = heap_alloc(8 * sizeof(BSTR));
138 if(!ctx->code->bstr_pool)
140 ctx->code->bstr_pool_size = 8;
141 }else if(ctx->code->bstr_pool_size == ctx->code->bstr_cnt) {
144 new_pool = heap_realloc(ctx->code->bstr_pool, ctx->code->bstr_pool_size*2*sizeof(BSTR));
148 ctx->code->bstr_pool = new_pool;
149 ctx->code->bstr_pool_size *= 2;
152 ctx->code->bstr_pool[ctx->code->bstr_cnt] = SysAllocString(str);
153 if(!ctx->code->bstr_pool[ctx->code->bstr_cnt])
156 return ctx->code->bstr_pool[ctx->code->bstr_cnt++];
159 static unsigned push_instr(compiler_ctx_t *ctx, jsop_t op)
161 assert(ctx->code_size >= ctx->code_off);
163 if(ctx->code_size == ctx->code_off) {
166 new_instrs = heap_realloc(ctx->code->instrs, ctx->code_size*2*sizeof(instr_t));
170 ctx->code->instrs = new_instrs;
174 ctx->code->instrs[ctx->code_off].op = op;
175 return ctx->code_off++;
178 static inline instr_t *instr_ptr(compiler_ctx_t *ctx, unsigned off)
180 assert(off < ctx->code_off);
181 return ctx->code->instrs + off;
184 static HRESULT push_instr_int(compiler_ctx_t *ctx, jsop_t op, LONG arg)
188 instr = push_instr(ctx, op);
190 return E_OUTOFMEMORY;
192 instr_ptr(ctx, instr)->u.arg->lng = arg;
196 static HRESULT push_instr_str(compiler_ctx_t *ctx, jsop_t op, const WCHAR *arg)
201 str = compiler_alloc_string(ctx->code, arg);
203 return E_OUTOFMEMORY;
205 instr = push_instr(ctx, op);
207 return E_OUTOFMEMORY;
209 instr_ptr(ctx, instr)->u.arg->str = str;
213 static HRESULT push_instr_bstr(compiler_ctx_t *ctx, jsop_t op, const WCHAR *arg)
218 str = compiler_alloc_bstr(ctx, arg);
220 return E_OUTOFMEMORY;
222 instr = push_instr(ctx, op);
224 return E_OUTOFMEMORY;
226 instr_ptr(ctx, instr)->u.arg->bstr = str;
230 static HRESULT push_instr_bstr_uint(compiler_ctx_t *ctx, jsop_t op, const WCHAR *arg1, unsigned arg2)
235 str = compiler_alloc_bstr(ctx, arg1);
237 return E_OUTOFMEMORY;
239 instr = push_instr(ctx, op);
241 return E_OUTOFMEMORY;
243 instr_ptr(ctx, instr)->u.arg[0].bstr = str;
244 instr_ptr(ctx, instr)->u.arg[1].uint = arg2;
248 static HRESULT push_instr_uint_str(compiler_ctx_t *ctx, jsop_t op, unsigned arg1, const WCHAR *arg2)
253 str = compiler_alloc_string(ctx->code, arg2);
255 return E_OUTOFMEMORY;
257 instr = push_instr(ctx, op);
259 return E_OUTOFMEMORY;
261 instr_ptr(ctx, instr)->u.arg[0].uint = arg1;
262 instr_ptr(ctx, instr)->u.arg[1].str = str;
266 static HRESULT push_instr_double(compiler_ctx_t *ctx, jsop_t op, double arg)
270 instr = push_instr(ctx, op);
272 return E_OUTOFMEMORY;
274 instr_ptr(ctx, instr)->u.dbl = arg;
278 static inline void set_arg_uint(compiler_ctx_t *ctx, unsigned instr, unsigned arg)
280 instr_ptr(ctx, instr)->u.arg->uint = arg;
283 static HRESULT push_instr_uint(compiler_ctx_t *ctx, jsop_t op, unsigned arg)
287 instr = push_instr(ctx, op);
289 return E_OUTOFMEMORY;
291 set_arg_uint(ctx, instr, arg);
295 static HRESULT compile_binary_expression(compiler_ctx_t *ctx, binary_expression_t *expr, jsop_t op)
299 hres = compile_expression(ctx, expr->expression1);
303 hres = compile_expression(ctx, expr->expression2);
307 return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY;
310 static HRESULT compile_unary_expression(compiler_ctx_t *ctx, unary_expression_t *expr, jsop_t op)
314 hres = compile_expression(ctx, expr->expression);
318 return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY;
321 /* ECMA-262 3rd Edition 11.2.1 */
322 static HRESULT compile_member_expression(compiler_ctx_t *ctx, member_expression_t *expr)
326 hres = compile_expression(ctx, expr->expression);
330 return push_instr_bstr(ctx, OP_member, expr->identifier);
333 #define LABEL_FLAG 0x80000000
335 static unsigned alloc_label(compiler_ctx_t *ctx)
337 if(!ctx->labels_size) {
338 ctx->labels = heap_alloc(8 * sizeof(*ctx->labels));
341 ctx->labels_size = 8;
342 }else if(ctx->labels_size == ctx->labels_cnt) {
343 unsigned *new_labels;
345 new_labels = heap_realloc(ctx->labels, 2*ctx->labels_size*sizeof(*ctx->labels));
349 ctx->labels = new_labels;
350 ctx->labels_size *= 2;
353 return ctx->labels_cnt++ | LABEL_FLAG;
356 static void label_set_addr(compiler_ctx_t *ctx, unsigned label)
358 assert(label & LABEL_FLAG);
359 ctx->labels[label & ~LABEL_FLAG] = ctx->code_off;
362 static inline BOOL is_memberid_expr(expression_type_t type)
364 return type == EXPR_IDENT || type == EXPR_MEMBER || type == EXPR_ARRAY;
367 static HRESULT compile_memberid_expression(compiler_ctx_t *ctx, expression_t *expr, unsigned flags)
373 identifier_expression_t *ident_expr = (identifier_expression_t*)expr;
375 hres = push_instr_bstr_uint(ctx, OP_identid, ident_expr->identifier, flags);
379 binary_expression_t *array_expr = (binary_expression_t*)expr;
381 hres = compile_expression(ctx, array_expr->expression1);
385 hres = compile_expression(ctx, array_expr->expression2);
389 hres = push_instr_uint(ctx, OP_memberid, flags);
393 member_expression_t *member_expr = (member_expression_t*)expr;
395 hres = compile_expression(ctx, member_expr->expression);
399 /* FIXME: Potential optimization */
400 hres = push_instr_str(ctx, OP_str, member_expr->identifier);
404 hres = push_instr_uint(ctx, OP_memberid, flags);
414 static HRESULT compile_increment_expression(compiler_ctx_t *ctx, unary_expression_t *expr, jsop_t op, int n)
418 if(!is_memberid_expr(expr->expression->type)) {
419 hres = compile_expression(ctx, expr->expression);
423 return push_instr_uint(ctx, OP_throw_ref, JS_E_ILLEGAL_ASSIGN);
426 hres = compile_memberid_expression(ctx, expr->expression, fdexNameEnsure);
430 return push_instr_int(ctx, op, n);
433 /* ECMA-262 3rd Edition 11.14 */
434 static HRESULT compile_comma_expression(compiler_ctx_t *ctx, binary_expression_t *expr)
438 hres = compile_expression(ctx, expr->expression1);
442 if(!push_instr(ctx, OP_pop))
443 return E_OUTOFMEMORY;
445 return compile_expression(ctx, expr->expression2);
448 /* ECMA-262 3rd Edition 11.11 */
449 static HRESULT compile_logical_expression(compiler_ctx_t *ctx, binary_expression_t *expr, jsop_t op)
454 hres = compile_expression(ctx, expr->expression1);
458 instr = push_instr(ctx, op);
460 return E_OUTOFMEMORY;
462 hres = compile_expression(ctx, expr->expression2);
466 set_arg_uint(ctx, instr, ctx->code_off);
470 /* ECMA-262 3rd Edition 11.12 */
471 static HRESULT compile_conditional_expression(compiler_ctx_t *ctx, conditional_expression_t *expr)
473 unsigned jmp_false, jmp_end;
476 hres = compile_expression(ctx, expr->expression);
480 jmp_false = push_instr(ctx, OP_cnd_z);
482 return E_OUTOFMEMORY;
484 hres = compile_expression(ctx, expr->true_expression);
488 jmp_end = push_instr(ctx, OP_jmp);
490 return E_OUTOFMEMORY;
492 set_arg_uint(ctx, jmp_false, ctx->code_off);
493 if(!push_instr(ctx, OP_pop))
494 return E_OUTOFMEMORY;
496 hres = compile_expression(ctx, expr->false_expression);
500 set_arg_uint(ctx, jmp_end, ctx->code_off);
504 static HRESULT compile_new_expression(compiler_ctx_t *ctx, call_expression_t *expr)
506 unsigned arg_cnt = 0;
510 hres = compile_expression(ctx, expr->expression);
514 for(arg = expr->argument_list; arg; arg = arg->next) {
515 hres = compile_expression(ctx, arg->expr);
521 return push_instr_uint(ctx, OP_new, arg_cnt);
524 static HRESULT compile_call_expression(compiler_ctx_t *ctx, call_expression_t *expr, BOOL *no_ret)
526 unsigned arg_cnt = 0;
532 if(is_memberid_expr(expr->expression->type)) {
534 hres = compile_memberid_expression(ctx, expr->expression, 0);
537 hres = compile_expression(ctx, expr->expression);
543 for(arg = expr->argument_list; arg; arg = arg->next) {
544 hres = compile_expression(ctx, arg->expr);
550 instr = push_instr(ctx, op);
552 return E_OUTOFMEMORY;
554 instr_ptr(ctx, instr)->u.arg[0].uint = arg_cnt;
555 instr_ptr(ctx, instr)->u.arg[1].lng = no_ret == NULL;
561 static HRESULT compile_delete_expression(compiler_ctx_t *ctx, unary_expression_t *expr)
565 switch(expr->expression->type) {
567 binary_expression_t *array_expr = (binary_expression_t*)expr->expression;
569 hres = compile_expression(ctx, array_expr->expression1);
573 hres = compile_expression(ctx, array_expr->expression2);
577 if(!push_instr(ctx, OP_delete))
578 return E_OUTOFMEMORY;
582 member_expression_t *member_expr = (member_expression_t*)expr->expression;
584 hres = compile_expression(ctx, member_expr->expression);
588 /* FIXME: Potential optimization */
589 hres = push_instr_str(ctx, OP_str, member_expr->identifier);
593 if(!push_instr(ctx, OP_delete))
594 return E_OUTOFMEMORY;
598 return push_instr_bstr(ctx, OP_delete_ident, ((identifier_expression_t*)expr->expression)->identifier);
600 const WCHAR fixmeW[] = {'F','I','X','M','E',0};
602 WARN("invalid delete, unimplemented exception message\n");
604 hres = compile_expression(ctx, expr->expression);
608 return push_instr_uint_str(ctx, OP_throw_type, JS_E_INVALID_DELETE, fixmeW);
615 static HRESULT compile_assign_expression(compiler_ctx_t *ctx, binary_expression_t *expr, jsop_t op)
617 BOOL use_throw_path = FALSE;
618 unsigned arg_cnt = 0;
621 if(expr->expression1->type == EXPR_CALL) {
622 call_expression_t *call_expr = (call_expression_t*)expr->expression1;
626 FIXME("op %d not supported on parametrized assign expressions\n", op);
630 if(is_memberid_expr(call_expr->expression->type) && call_expr->argument_list) {
631 hres = compile_memberid_expression(ctx, call_expr->expression, fdexNameEnsure);
635 for(arg = call_expr->argument_list; arg; arg = arg->next) {
636 hres = compile_expression(ctx, arg->expr);
642 use_throw_path = TRUE;
644 }else if(is_memberid_expr(expr->expression1->type)) {
645 hres = compile_memberid_expression(ctx, expr->expression1, fdexNameEnsure);
649 use_throw_path = TRUE;
653 /* Illegal assignment: evaluate and throw */
654 hres = compile_expression(ctx, expr->expression1);
658 hres = compile_expression(ctx, expr->expression2);
662 if(op != OP_LAST && !push_instr(ctx, op))
663 return E_OUTOFMEMORY;
665 return push_instr_uint(ctx, OP_throw_ref, JS_E_ILLEGAL_ASSIGN);
668 if(op != OP_LAST && !push_instr(ctx, OP_refval))
669 return E_OUTOFMEMORY;
671 hres = compile_expression(ctx, expr->expression2);
675 if(op != OP_LAST && !push_instr(ctx, op))
676 return E_OUTOFMEMORY;
679 return push_instr_uint(ctx, OP_assign_call, arg_cnt);
681 if(!push_instr(ctx, OP_assign))
682 return E_OUTOFMEMORY;
687 static HRESULT compile_typeof_expression(compiler_ctx_t *ctx, unary_expression_t *expr)
692 if(is_memberid_expr(expr->expression->type)) {
693 if(expr->expression->type == EXPR_IDENT)
694 return push_instr_str(ctx, OP_typeofident, ((identifier_expression_t*)expr->expression)->identifier);
697 hres = compile_memberid_expression(ctx, expr->expression, 0);
700 hres = compile_expression(ctx, expr->expression);
705 return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY;
708 static HRESULT compile_literal(compiler_ctx_t *ctx, literal_t *literal)
710 switch(literal->type) {
712 return push_instr_int(ctx, OP_bool, literal->u.bval);
714 return push_instr_double(ctx, OP_double, literal->u.dval);
716 return push_instr(ctx, OP_null) ? S_OK : E_OUTOFMEMORY;
718 return push_instr_str(ctx, OP_str, literal->u.wstr);
723 str = compiler_alloc(ctx->code, (literal->u.regexp.str_len+1)*sizeof(WCHAR));
725 return E_OUTOFMEMORY;
726 memcpy(str, literal->u.regexp.str, literal->u.regexp.str_len*sizeof(WCHAR));
727 str[literal->u.regexp.str_len] = 0;
729 instr = push_instr(ctx, OP_regexp);
731 return E_OUTOFMEMORY;
733 instr_ptr(ctx, instr)->u.arg[0].str = str;
734 instr_ptr(ctx, instr)->u.arg[1].uint = literal->u.regexp.flags;
743 static HRESULT literal_as_bstr(compiler_ctx_t *ctx, literal_t *literal, BSTR *str)
745 switch(literal->type) {
747 *str = compiler_alloc_bstr(ctx, literal->u.wstr);
750 return double_to_bstr(literal->u.dval, str);
755 return *str ? S_OK : E_OUTOFMEMORY;
758 static HRESULT compile_array_literal(compiler_ctx_t *ctx, array_literal_expression_t *expr)
760 unsigned i, elem_cnt = expr->length;
761 array_element_t *iter;
764 for(iter = expr->element_list; iter; iter = iter->next) {
765 elem_cnt += iter->elision+1;
767 for(i=0; i < iter->elision; i++) {
768 if(!push_instr(ctx, OP_undefined))
769 return E_OUTOFMEMORY;
772 hres = compile_expression(ctx, iter->expr);
777 for(i=0; i < expr->length; i++) {
778 if(!push_instr(ctx, OP_undefined))
779 return E_OUTOFMEMORY;
782 return push_instr_uint(ctx, OP_carray, elem_cnt);
785 static HRESULT compile_object_literal(compiler_ctx_t *ctx, property_value_expression_t *expr)
792 if(!push_instr(ctx, OP_new_obj))
793 return E_OUTOFMEMORY;
795 for(iter = expr->property_list; iter; iter = iter->next) {
796 hres = literal_as_bstr(ctx, iter->name, &name);
800 hres = compile_expression(ctx, iter->value);
804 instr = push_instr(ctx, OP_obj_prop);
806 return E_OUTOFMEMORY;
808 instr_ptr(ctx, instr)->u.arg->bstr = name;
814 static HRESULT compile_function_expression(compiler_ctx_t *ctx, function_expression_t *expr)
816 ctx->func_tail = ctx->func_tail ? (ctx->func_tail->next = expr) : (ctx->func_head = expr);
818 /* FIXME: not exactly right */
819 if(expr->identifier) {
820 ctx->func->func_cnt++;
821 return push_instr_bstr(ctx, OP_ident, expr->identifier);
824 return push_instr_uint(ctx, OP_func, ctx->func->func_cnt++);
827 static HRESULT compile_expression_noret(compiler_ctx_t *ctx, expression_t *expr, BOOL *no_ret)
831 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_add);
833 return compile_logical_expression(ctx, (binary_expression_t*)expr, OP_cnd_z);
835 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_array);
837 return compile_array_literal(ctx, (array_literal_expression_t*)expr);
839 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_LAST);
841 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_add);
843 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_and);
845 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_sub);
847 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_mul);
849 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_div);
851 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_mod);
853 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_or);
854 case EXPR_ASSIGNLSHIFT:
855 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_lshift);
856 case EXPR_ASSIGNRSHIFT:
857 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_rshift);
858 case EXPR_ASSIGNRRSHIFT:
859 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_rshift2);
861 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_xor);
863 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_and);
865 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_bneg);
867 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_or);
869 return compile_call_expression(ctx, (call_expression_t*)expr, no_ret);
871 return compile_comma_expression(ctx, (binary_expression_t*)expr);
873 return compile_conditional_expression(ctx, (conditional_expression_t*)expr);
875 return compile_delete_expression(ctx, (unary_expression_t*)expr);
877 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_div);
879 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_eq);
881 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_eq2);
883 return compile_function_expression(ctx, (function_expression_t*)expr);
885 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gt);
887 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gteq);
889 return push_instr_bstr(ctx, OP_ident, ((identifier_expression_t*)expr)->identifier);
891 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_in);
892 case EXPR_INSTANCEOF:
893 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_instanceof);
895 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lt);
897 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lteq);
899 return compile_literal(ctx, ((literal_expression_t*)expr)->literal);
901 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_neg);
903 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lshift);
905 return compile_member_expression(ctx, (member_expression_t*)expr);
907 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_minus);
909 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mod);
911 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mul);
913 return compile_new_expression(ctx, (call_expression_t*)expr);
915 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_neq);
917 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_neq2);
919 return compile_logical_expression(ctx, (binary_expression_t*)expr, OP_cnd_nz);
921 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_tonum);
923 return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_postinc, -1);
925 return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_postinc, 1);
927 return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_preinc, -1);
929 return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_preinc, 1);
931 return compile_object_literal(ctx, (property_value_expression_t*)expr);
933 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_rshift);
935 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_rshift2);
937 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_sub);
939 return push_instr(ctx, OP_this) ? S_OK : E_OUTOFMEMORY;
941 return compile_typeof_expression(ctx, (unary_expression_t*)expr);
943 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_void);
945 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_xor);
953 static HRESULT compile_expression(compiler_ctx_t *ctx, expression_t *expr)
955 return compile_expression_noret(ctx, expr, NULL);
958 static inline BOOL is_loop_statement(statement_type_t type)
960 return type == STAT_FOR || type == STAT_FORIN || type == STAT_WHILE;
963 /* ECMA-262 3rd Edition 12.1 */
964 static HRESULT compile_block_statement(compiler_ctx_t *ctx, statement_t *iter)
968 /* FIXME: do it only if needed */
970 return push_instr(ctx, OP_undefined) ? S_OK : E_OUTOFMEMORY;
973 hres = compile_statement(ctx, NULL, iter);
981 if(!push_instr(ctx, OP_pop))
982 return E_OUTOFMEMORY;
988 /* ECMA-262 3rd Edition 12.2 */
989 static HRESULT compile_variable_list(compiler_ctx_t *ctx, variable_declaration_t *list)
991 variable_declaration_t *iter;
994 assert(list != NULL);
997 ctx->var_tail->global_next = list;
999 ctx->var_head = list;
1001 for(iter = list; iter; iter = iter->next) {
1002 ctx->func->var_cnt++;
1003 iter->global_next = iter->next;
1005 ctx->var_tail = iter;
1010 hres = compile_expression(ctx, iter->expr);
1014 hres = push_instr_bstr(ctx, OP_var_set, iter->identifier);
1022 /* ECMA-262 3rd Edition 12.2 */
1023 static HRESULT compile_var_statement(compiler_ctx_t *ctx, var_statement_t *stat)
1027 hres = compile_variable_list(ctx, stat->variable_list);
1031 return push_instr(ctx, OP_undefined) ? S_OK : E_OUTOFMEMORY;
1034 /* ECMA-262 3rd Edition 12.4 */
1035 static HRESULT compile_expression_statement(compiler_ctx_t *ctx, expression_statement_t *stat)
1037 BOOL no_ret = FALSE;
1040 hres = compile_expression_noret(ctx, stat->expr, &no_ret);
1044 /* FIXME: that's a big potential optimization */
1045 if(no_ret && !push_instr(ctx, OP_undefined))
1046 return E_OUTOFMEMORY;
1051 /* ECMA-262 3rd Edition 12.5 */
1052 static HRESULT compile_if_statement(compiler_ctx_t *ctx, if_statement_t *stat)
1054 unsigned jmp_else, jmp_end;
1057 hres = compile_expression(ctx, stat->expr);
1061 jmp_else = push_instr(ctx, OP_jmp_z);
1063 return E_OUTOFMEMORY;
1065 hres = compile_statement(ctx, NULL, stat->if_stat);
1069 jmp_end = push_instr(ctx, OP_jmp);
1071 return E_OUTOFMEMORY;
1073 set_arg_uint(ctx, jmp_else, ctx->code_off);
1075 if(stat->else_stat) {
1076 hres = compile_statement(ctx, NULL, stat->else_stat);
1080 /* FIXME: We could sometimes avoid it */
1081 if(!push_instr(ctx, OP_undefined))
1082 return E_OUTOFMEMORY;
1085 set_arg_uint(ctx, jmp_end, ctx->code_off);
1089 /* ECMA-262 3rd Edition 12.6.2 */
1090 static HRESULT compile_while_statement(compiler_ctx_t *ctx, while_statement_t *stat)
1092 statement_ctx_t stat_ctx = {0, FALSE, FALSE};
1096 stat_ctx.break_label = alloc_label(ctx);
1097 if(!stat_ctx.break_label)
1098 return E_OUTOFMEMORY;
1100 stat_ctx.continue_label = alloc_label(ctx);
1101 if(!stat_ctx.continue_label)
1102 return E_OUTOFMEMORY;
1104 if(!stat->do_while) {
1106 if(!push_instr(ctx, OP_undefined))
1107 return E_OUTOFMEMORY;
1109 jmp_off = ctx->code_off;
1110 label_set_addr(ctx, stat_ctx.continue_label);
1111 hres = compile_expression(ctx, stat->expr);
1115 hres = push_instr_uint(ctx, OP_jmp_z, stat_ctx.break_label);
1119 if(!push_instr(ctx, OP_pop))
1120 return E_OUTOFMEMORY;
1122 jmp_off = ctx->code_off;
1125 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1129 if(stat->do_while) {
1130 label_set_addr(ctx, stat_ctx.continue_label);
1131 hres = compile_expression(ctx, stat->expr);
1135 hres = push_instr_uint(ctx, OP_jmp_z, stat_ctx.break_label);
1139 if(!push_instr(ctx, OP_pop))
1140 return E_OUTOFMEMORY;
1143 hres = push_instr_uint(ctx, OP_jmp, jmp_off);
1147 label_set_addr(ctx, stat_ctx.break_label);
1151 /* ECMA-262 3rd Edition 12.6.3 */
1152 static HRESULT compile_for_statement(compiler_ctx_t *ctx, for_statement_t *stat)
1154 statement_ctx_t stat_ctx = {0, FALSE, FALSE};
1158 if(stat->variable_list) {
1159 hres = compile_variable_list(ctx, stat->variable_list);
1162 }else if(stat->begin_expr) {
1163 BOOL no_ret = FALSE;
1165 hres = compile_expression_noret(ctx, stat->begin_expr, &no_ret);
1168 if(!no_ret && !push_instr(ctx, OP_pop))
1169 return E_OUTOFMEMORY;
1172 stat_ctx.break_label = alloc_label(ctx);
1173 if(!stat_ctx.break_label)
1174 return E_OUTOFMEMORY;
1176 stat_ctx.continue_label = alloc_label(ctx);
1177 if(!stat_ctx.continue_label)
1178 return E_OUTOFMEMORY;
1181 if(!push_instr(ctx, OP_undefined))
1182 return E_OUTOFMEMORY;
1184 expr_off = ctx->code_off;
1187 hres = compile_expression(ctx, stat->expr);
1191 hres = push_instr_uint(ctx, OP_jmp_z, stat_ctx.break_label);
1196 if(!push_instr(ctx, OP_pop))
1197 return E_OUTOFMEMORY;
1199 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1203 label_set_addr(ctx, stat_ctx.continue_label);
1205 if(stat->end_expr) {
1206 BOOL no_ret = FALSE;
1208 hres = compile_expression_noret(ctx, stat->end_expr, &no_ret);
1212 if(!no_ret && !push_instr(ctx, OP_pop))
1213 return E_OUTOFMEMORY;
1216 hres = push_instr_uint(ctx, OP_jmp, expr_off);
1220 label_set_addr(ctx, stat_ctx.break_label);
1224 /* ECMA-262 3rd Edition 12.6.4 */
1225 static HRESULT compile_forin_statement(compiler_ctx_t *ctx, forin_statement_t *stat)
1227 statement_ctx_t stat_ctx = {4, FALSE, FALSE};
1230 if(stat->variable) {
1231 hres = compile_variable_list(ctx, stat->variable);
1236 stat_ctx.break_label = alloc_label(ctx);
1237 if(!stat_ctx.break_label)
1238 return E_OUTOFMEMORY;
1240 stat_ctx.continue_label = alloc_label(ctx);
1241 if(!stat_ctx.continue_label)
1242 return E_OUTOFMEMORY;
1244 hres = compile_expression(ctx, stat->in_expr);
1248 if(stat->variable) {
1249 hres = push_instr_bstr_uint(ctx, OP_identid, stat->variable->identifier, fdexNameEnsure);
1252 }else if(is_memberid_expr(stat->expr->type)) {
1253 hres = compile_memberid_expression(ctx, stat->expr, fdexNameEnsure);
1257 hres = push_instr_uint(ctx, OP_throw_ref, JS_E_ILLEGAL_ASSIGN);
1261 /* FIXME: compile statement anyways when we depend on compiler to check errors */
1265 hres = push_instr_int(ctx, OP_int, DISPID_STARTENUM);
1270 if(!push_instr(ctx, OP_undefined))
1271 return E_OUTOFMEMORY;
1273 label_set_addr(ctx, stat_ctx.continue_label);
1274 hres = push_instr_uint(ctx, OP_forin, stat_ctx.break_label);
1276 return E_OUTOFMEMORY;
1278 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1282 hres = push_instr_uint(ctx, OP_jmp, stat_ctx.continue_label);
1286 label_set_addr(ctx, stat_ctx.break_label);
1290 static HRESULT pop_to_stat(compiler_ctx_t *ctx, BOOL var_stack, BOOL scope_stack, statement_ctx_t *stat_ctx)
1292 unsigned stack_pop = 0;
1293 statement_ctx_t *iter;
1295 for(iter = ctx->stat_ctx; iter != stat_ctx; iter = iter->next) {
1297 if(iter->using_scope && !push_instr(ctx, OP_pop_scope))
1298 return E_OUTOFMEMORY;
1299 if(iter->using_except && !push_instr(ctx, OP_pop_except))
1300 return E_OUTOFMEMORY;
1302 stack_pop += iter->stack_use;
1306 /* FIXME: optimize */
1307 while(stack_pop--) {
1308 if(!push_instr(ctx, OP_pop))
1309 return E_OUTOFMEMORY;
1317 /* ECMA-262 3rd Edition 12.7 */
1318 static HRESULT compile_continue_statement(compiler_ctx_t *ctx, branch_statement_t *stat)
1320 statement_ctx_t *pop_ctx;
1323 if(stat->identifier) {
1324 statement_t *label_stat;
1325 statement_ctx_t *iter;
1329 for(iter = ctx->stat_ctx; iter; iter = iter->next) {
1330 if(iter->continue_label)
1332 if(iter->labelled_stat && !strcmpW(iter->labelled_stat->identifier, stat->identifier))
1337 WARN("Label not found\n");
1338 return JS_E_LABEL_NOT_FOUND;
1341 /* Labelled continue are allowed only on loops */
1342 for(label_stat = iter->labelled_stat->statement;
1343 label_stat->type == STAT_LABEL;
1344 label_stat = ((labelled_statement_t*)label_stat)->statement);
1345 if(!is_loop_statement(label_stat->type)) {
1346 WARN("Label is not a loop\n");
1347 return JS_E_INVALID_CONTINUE;
1350 for(pop_ctx = ctx->stat_ctx; pop_ctx; pop_ctx = pop_ctx->next) {
1351 if(pop_ctx->continue_label)
1356 WARN("continue outside loop\n");
1357 return JS_E_INVALID_CONTINUE;
1361 hres = pop_to_stat(ctx, TRUE, TRUE, pop_ctx);
1365 if(!push_instr(ctx, OP_undefined))
1366 return E_OUTOFMEMORY;
1368 return push_instr_uint(ctx, OP_jmp, pop_ctx->continue_label);
1371 /* ECMA-262 3rd Edition 12.8 */
1372 static HRESULT compile_break_statement(compiler_ctx_t *ctx, branch_statement_t *stat)
1374 statement_ctx_t *pop_ctx;
1377 if(stat->identifier) {
1378 for(pop_ctx = ctx->stat_ctx; pop_ctx; pop_ctx = pop_ctx->next) {
1379 if(pop_ctx->labelled_stat && !strcmpW(pop_ctx->labelled_stat->identifier, stat->identifier)) {
1380 assert(pop_ctx->break_label);
1386 WARN("Label not found\n");
1387 return JS_E_LABEL_NOT_FOUND;
1390 for(pop_ctx = ctx->stat_ctx; pop_ctx; pop_ctx = pop_ctx->next) {
1391 if(pop_ctx->break_label && !pop_ctx->labelled_stat)
1396 WARN("Break outside loop\n");
1397 return JS_E_INVALID_BREAK;
1401 hres = pop_to_stat(ctx, TRUE, TRUE, pop_ctx->next);
1405 if(!push_instr(ctx, OP_undefined))
1406 return E_OUTOFMEMORY;
1408 return push_instr_uint(ctx, OP_jmp, pop_ctx->break_label);
1411 /* ECMA-262 3rd Edition 12.9 */
1412 static HRESULT compile_return_statement(compiler_ctx_t *ctx, expression_statement_t *stat)
1416 hres = pop_to_stat(ctx, TRUE, FALSE, NULL);
1421 hres = compile_expression(ctx, stat->expr);
1426 hres = pop_to_stat(ctx, FALSE, TRUE, NULL);
1430 return push_instr(ctx, OP_ret) ? S_OK : E_OUTOFMEMORY;
1433 /* ECMA-262 3rd Edition 12.10 */
1434 static HRESULT compile_with_statement(compiler_ctx_t *ctx, with_statement_t *stat)
1436 statement_ctx_t stat_ctx = {0, TRUE, FALSE};
1439 hres = compile_expression(ctx, stat->expr);
1443 if(!push_instr(ctx, OP_push_scope))
1444 return E_OUTOFMEMORY;
1446 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1450 if(!push_instr(ctx, OP_pop_scope))
1451 return E_OUTOFMEMORY;
1456 /* ECMA-262 3rd Edition 12.10 */
1457 static HRESULT compile_labelled_statement(compiler_ctx_t *ctx, labelled_statement_t *stat)
1459 statement_ctx_t stat_ctx = {0, FALSE, FALSE, 0, 0, stat}, *iter;
1462 for(iter = ctx->stat_ctx; iter; iter = iter->next) {
1463 if(iter->labelled_stat && !strcmpW(iter->labelled_stat->identifier, stat->identifier)) {
1464 WARN("Label %s redefined\n", debugstr_w(stat->identifier));
1465 return JS_E_LABEL_REDEFINED;
1469 /* Labelled breaks are allowed for any labelled statements, not only loops (violating spec) */
1470 stat_ctx.break_label = alloc_label(ctx);
1471 if(!stat_ctx.break_label)
1472 return E_OUTOFMEMORY;
1474 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1478 label_set_addr(ctx, stat_ctx.break_label);
1482 /* ECMA-262 3rd Edition 12.13 */
1483 static HRESULT compile_switch_statement(compiler_ctx_t *ctx, switch_statement_t *stat)
1485 statement_ctx_t stat_ctx = {0, FALSE, FALSE};
1486 unsigned case_cnt = 0, *case_jmps, i, default_jmp;
1487 BOOL have_default = FALSE;
1488 statement_t *stat_iter;
1489 case_clausule_t *iter;
1492 hres = compile_expression(ctx, stat->expr);
1496 stat_ctx.break_label = alloc_label(ctx);
1497 if(!stat_ctx.break_label)
1498 return E_OUTOFMEMORY;
1500 for(iter = stat->case_list; iter; iter = iter->next) {
1505 case_jmps = heap_alloc(case_cnt * sizeof(*case_jmps));
1507 return E_OUTOFMEMORY;
1510 for(iter = stat->case_list; iter; iter = iter->next) {
1512 have_default = TRUE;
1516 hres = compile_expression(ctx, iter->expr);
1520 case_jmps[i] = push_instr(ctx, OP_case);
1522 hres = E_OUTOFMEMORY;
1528 if(SUCCEEDED(hres)) {
1529 if(push_instr(ctx, OP_pop)) {
1530 default_jmp = push_instr(ctx, OP_jmp);
1532 hres = E_OUTOFMEMORY;
1534 hres = E_OUTOFMEMORY;
1539 heap_free(case_jmps);
1544 for(iter = stat->case_list; iter; iter = iter->next) {
1545 while(iter->next && iter->next->stat == iter->stat) {
1546 set_arg_uint(ctx, iter->expr ? case_jmps[i++] : default_jmp, ctx->code_off);
1550 set_arg_uint(ctx, iter->expr ? case_jmps[i++] : default_jmp, ctx->code_off);
1553 for(stat_iter = iter->stat; stat_iter && (!iter->next || iter->next->stat != stat_iter);
1554 stat_iter = stat_iter->next) {
1555 hres = compile_statement(ctx, &stat_ctx, stat_iter);
1559 if(stat_iter->next && !push_instr(ctx, OP_pop)) {
1560 hres = E_OUTOFMEMORY;
1567 if(!push_instr(ctx, OP_undefined)) {
1568 hres = E_OUTOFMEMORY;
1574 heap_free(case_jmps);
1577 assert(i == case_cnt);
1580 hres = push_instr_uint(ctx, OP_jmp, stat_ctx.break_label);
1583 set_arg_uint(ctx, default_jmp, ctx->code_off);
1584 if(!push_instr(ctx, OP_undefined))
1585 return E_OUTOFMEMORY;
1588 label_set_addr(ctx, stat_ctx.break_label);
1592 /* ECMA-262 3rd Edition 12.13 */
1593 static HRESULT compile_throw_statement(compiler_ctx_t *ctx, expression_statement_t *stat)
1597 hres = compile_expression(ctx, stat->expr);
1601 return push_instr(ctx, OP_throw) ? S_OK : E_OUTOFMEMORY;
1604 /* ECMA-262 3rd Edition 12.14 */
1605 static HRESULT compile_try_statement(compiler_ctx_t *ctx, try_statement_t *stat)
1607 statement_ctx_t try_ctx = {0, FALSE, TRUE}, catch_ctx = {0, TRUE, FALSE};
1608 statement_ctx_t finally_ctx = {2, FALSE, FALSE};
1609 unsigned push_except;
1613 push_except = push_instr(ctx, OP_push_except);
1615 return E_OUTOFMEMORY;
1617 if(stat->catch_block) {
1618 ident = compiler_alloc_bstr(ctx, stat->catch_block->identifier);
1620 return E_OUTOFMEMORY;
1625 instr_ptr(ctx, push_except)->u.arg[1].bstr = ident;
1627 if(!stat->catch_block)
1628 try_ctx.stack_use = 2;
1630 hres = compile_statement(ctx, &try_ctx, stat->try_statement);
1634 if(!push_instr(ctx, OP_pop_except))
1635 return E_OUTOFMEMORY;
1637 if(stat->catch_block) {
1638 unsigned jmp_finally;
1640 jmp_finally = push_instr(ctx, OP_jmp);
1642 return E_OUTOFMEMORY;
1644 instr_ptr(ctx, push_except)->u.arg[0].uint = ctx->code_off;
1646 hres = compile_statement(ctx, &catch_ctx, stat->catch_block->statement);
1650 if(!push_instr(ctx, OP_pop_scope))
1651 return E_OUTOFMEMORY;
1653 set_arg_uint(ctx, jmp_finally, ctx->code_off);
1655 set_arg_uint(ctx, push_except, ctx->code_off);
1658 if(stat->finally_statement) {
1660 if(!push_instr(ctx, OP_pop))
1661 return E_OUTOFMEMORY;
1663 hres = compile_statement(ctx, stat->catch_block ? NULL : &finally_ctx, stat->finally_statement);
1667 if(!stat->catch_block && !push_instr(ctx, OP_end_finally))
1668 return E_OUTOFMEMORY;
1674 static HRESULT compile_statement(compiler_ctx_t *ctx, statement_ctx_t *stat_ctx, statement_t *stat)
1679 stat_ctx->next = ctx->stat_ctx;
1680 ctx->stat_ctx = stat_ctx;
1683 switch(stat->type) {
1685 hres = compile_block_statement(ctx, ((block_statement_t*)stat)->stat_list);
1688 hres = compile_break_statement(ctx, (branch_statement_t*)stat);
1691 hres = compile_continue_statement(ctx, (branch_statement_t*)stat);
1694 hres = push_instr(ctx, OP_undefined) ? S_OK : E_OUTOFMEMORY; /* FIXME */
1697 hres = compile_expression_statement(ctx, (expression_statement_t*)stat);
1700 hres = compile_for_statement(ctx, (for_statement_t*)stat);
1703 hres = compile_forin_statement(ctx, (forin_statement_t*)stat);
1706 hres = compile_if_statement(ctx, (if_statement_t*)stat);
1709 hres = compile_labelled_statement(ctx, (labelled_statement_t*)stat);
1712 hres = compile_return_statement(ctx, (expression_statement_t*)stat);
1715 hres = compile_switch_statement(ctx, (switch_statement_t*)stat);
1718 hres = compile_throw_statement(ctx, (expression_statement_t*)stat);
1721 hres = compile_try_statement(ctx, (try_statement_t*)stat);
1724 hres = compile_var_statement(ctx, (var_statement_t*)stat);
1727 hres = compile_while_statement(ctx, (while_statement_t*)stat);
1730 hres = compile_with_statement(ctx, (with_statement_t*)stat);
1738 assert(ctx->stat_ctx == stat_ctx);
1739 ctx->stat_ctx = stat_ctx->next;
1745 static void resolve_labels(compiler_ctx_t *ctx, unsigned off)
1749 for(instr = ctx->code->instrs+off; instr < ctx->code->instrs+ctx->code_off; instr++) {
1750 if(instr_info[instr->op].arg1_type == ARG_ADDR && (instr->u.arg->uint & LABEL_FLAG)) {
1751 assert((instr->u.arg->uint & ~LABEL_FLAG) < ctx->labels_cnt);
1752 instr->u.arg->uint = ctx->labels[instr->u.arg->uint & ~LABEL_FLAG];
1754 assert(instr_info[instr->op].arg2_type != ARG_ADDR);
1757 ctx->labels_cnt = 0;
1760 void release_bytecode(bytecode_t *code)
1767 for(i=0; i < code->bstr_cnt; i++)
1768 SysFreeString(code->bstr_pool[i]);
1770 heap_free(code->source);
1771 jsheap_free(&code->heap);
1772 heap_free(code->bstr_pool);
1773 heap_free(code->instrs);
1777 static HRESULT init_code(compiler_ctx_t *compiler, const WCHAR *source)
1779 compiler->code = heap_alloc_zero(sizeof(bytecode_t));
1781 return E_OUTOFMEMORY;
1783 compiler->code->ref = 1;
1784 jsheap_init(&compiler->code->heap);
1786 compiler->code->source = heap_strdupW(source);
1787 if(!compiler->code->source) {
1788 release_bytecode(compiler->code);
1789 return E_OUTOFMEMORY;
1792 compiler->code->instrs = heap_alloc(64 * sizeof(instr_t));
1793 if(!compiler->code->instrs) {
1794 release_bytecode(compiler->code);
1795 return E_OUTOFMEMORY;
1798 compiler->code_size = 64;
1799 compiler->code_off = 1;
1803 static HRESULT compile_function(compiler_ctx_t *ctx, source_elements_t *source, function_expression_t *func_expr,
1804 BOOL from_eval, function_code_t *func)
1806 variable_declaration_t *var_iter;
1807 function_expression_t *iter;
1813 ctx->var_head = ctx->var_tail = NULL;
1814 ctx->func_head = ctx->func_tail = NULL;
1816 off = ctx->code_off;
1818 hres = compile_block_statement(ctx, source->statement);
1822 resolve_labels(ctx, off);
1824 if(!from_eval && !push_instr(ctx, OP_pop))
1825 return E_OUTOFMEMORY;
1826 if(!push_instr(ctx, OP_ret))
1827 return E_OUTOFMEMORY;
1829 if(TRACE_ON(jscript_disas))
1830 dump_code(ctx, off);
1832 func->instr_off = off;
1834 if(func_expr && func_expr->identifier) {
1835 func->name = compiler_alloc_bstr(ctx, func_expr->identifier);
1837 return E_OUTOFMEMORY;
1841 parameter_t *param_iter;
1843 func->source = func_expr->src_str;
1844 func->source_len = func_expr->src_len;
1846 for(param_iter = func_expr->parameter_list; param_iter; param_iter = param_iter->next)
1849 func->params = compiler_alloc(ctx->code, func->param_cnt * sizeof(*func->params));
1851 return E_OUTOFMEMORY;
1853 for(param_iter = func_expr->parameter_list, i=0; param_iter; param_iter = param_iter->next, i++) {
1854 func->params[i] = compiler_alloc_bstr(ctx, param_iter->identifier);
1855 if(!func->params[i])
1856 return E_OUTOFMEMORY;
1860 func->variables = compiler_alloc(ctx->code, func->var_cnt * sizeof(*func->variables));
1861 if(!func->variables)
1862 return E_OUTOFMEMORY;
1864 for(var_iter = ctx->var_head, i=0; var_iter; var_iter = var_iter->global_next, i++) {
1865 func->variables[i] = compiler_alloc_bstr(ctx, var_iter->identifier);
1866 if(!func->variables[i])
1867 return E_OUTOFMEMORY;
1870 assert(i == func->var_cnt);
1872 func->funcs = compiler_alloc(ctx->code, func->func_cnt * sizeof(*func->funcs));
1874 return E_OUTOFMEMORY;
1875 memset(func->funcs, 0, func->func_cnt * sizeof(*func->funcs));
1877 for(iter = ctx->func_head, i=0; iter; iter = iter->next, i++) {
1878 hres = compile_function(ctx, iter->source_elements, iter, FALSE, func->funcs+i);
1883 assert(i == func->func_cnt);
1888 HRESULT compile_script(script_ctx_t *ctx, const WCHAR *code, const WCHAR *delimiter, BOOL from_eval, BOOL use_decode,
1891 compiler_ctx_t compiler = {0};
1894 hres = init_code(&compiler, code);
1899 hres = decode_source(compiler.code->source);
1901 WARN("Decoding failed\n");
1906 hres = script_parse(ctx, compiler.code->source, delimiter, from_eval, &compiler.parser);
1908 release_bytecode(compiler.code);
1912 hres = compile_function(&compiler, compiler.parser->source, NULL, from_eval, &compiler.code->global_code);
1913 parser_release(compiler.parser);
1915 release_bytecode(compiler.code);
1919 *ret = compiler.code;