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;
56 statement_ctx_t *stat_ctx;
57 function_code_t *func;
59 variable_declaration_t *var_head;
60 variable_declaration_t *var_tail;
62 function_expression_t *func_head;
63 function_expression_t *func_tail;
68 instr_arg_type_t arg1_type;
69 instr_arg_type_t arg2_type;
71 #define X(n,a,b,c) {#n,b,c},
76 static void dump_instr_arg(instr_arg_type_t type, instr_arg_t *arg)
80 TRACE_(jscript_disas)("\t%s", debugstr_jsstr(arg->str));
83 TRACE_(jscript_disas)("\t%s", debugstr_wn(arg->bstr, SysStringLen(arg->bstr)));
86 TRACE_(jscript_disas)("\t%d", arg->uint);
90 TRACE_(jscript_disas)("\t%u", arg->uint);
100 static void dump_code(compiler_ctx_t *ctx, unsigned off)
104 for(instr = ctx->code->instrs+off; instr < ctx->code->instrs+ctx->code_off; instr++) {
105 TRACE_(jscript_disas)("%d:\t%s", (int)(instr-ctx->code->instrs), instr_info[instr->op].op_str);
106 if(instr_info[instr->op].arg1_type == ARG_DBL) {
107 TRACE_(jscript_disas)("\t%lf", instr->u.dbl);
109 dump_instr_arg(instr_info[instr->op].arg1_type, instr->u.arg);
110 dump_instr_arg(instr_info[instr->op].arg2_type, instr->u.arg+1);
112 TRACE_(jscript_disas)("\n");
116 static HRESULT compile_expression(compiler_ctx_t*,expression_t*,BOOL);
117 static HRESULT compile_statement(compiler_ctx_t*,statement_ctx_t*,statement_t*);
119 static inline void *compiler_alloc(bytecode_t *code, size_t size)
121 return heap_pool_alloc(&code->heap, size);
124 static jsstr_t *compiler_alloc_string_len(compiler_ctx_t *ctx, const WCHAR *str, unsigned len)
128 if(!ctx->code->str_pool_size) {
129 ctx->code->str_pool = heap_alloc(8 * sizeof(jsstr_t*));
130 if(!ctx->code->str_pool)
132 ctx->code->str_pool_size = 8;
133 }else if(ctx->code->str_pool_size == ctx->code->str_cnt) {
136 new_pool = heap_realloc(ctx->code->str_pool, ctx->code->str_pool_size*2*sizeof(jsstr_t*));
140 ctx->code->str_pool = new_pool;
141 ctx->code->str_pool_size *= 2;
144 new_str = jsstr_alloc_len(str, len);
148 ctx->code->str_pool[ctx->code->str_cnt++] = new_str;
152 static jsstr_t *compiler_alloc_string(compiler_ctx_t *ctx, const WCHAR *str)
154 return compiler_alloc_string_len(ctx, str, strlenW(str));
157 static BOOL ensure_bstr_slot(compiler_ctx_t *ctx)
159 if(!ctx->code->bstr_pool_size) {
160 ctx->code->bstr_pool = heap_alloc(8 * sizeof(BSTR));
161 if(!ctx->code->bstr_pool)
163 ctx->code->bstr_pool_size = 8;
164 }else if(ctx->code->bstr_pool_size == ctx->code->bstr_cnt) {
167 new_pool = heap_realloc(ctx->code->bstr_pool, ctx->code->bstr_pool_size*2*sizeof(BSTR));
171 ctx->code->bstr_pool = new_pool;
172 ctx->code->bstr_pool_size *= 2;
178 static BSTR compiler_alloc_bstr(compiler_ctx_t *ctx, const WCHAR *str)
180 if(!ensure_bstr_slot(ctx))
183 ctx->code->bstr_pool[ctx->code->bstr_cnt] = SysAllocString(str);
184 if(!ctx->code->bstr_pool[ctx->code->bstr_cnt])
187 return ctx->code->bstr_pool[ctx->code->bstr_cnt++];
190 static BSTR compiler_alloc_bstr_len(compiler_ctx_t *ctx, const WCHAR *str, size_t len)
192 if(!ensure_bstr_slot(ctx))
195 ctx->code->bstr_pool[ctx->code->bstr_cnt] = SysAllocStringLen(str, len);
196 if(!ctx->code->bstr_pool[ctx->code->bstr_cnt])
199 return ctx->code->bstr_pool[ctx->code->bstr_cnt++];
202 static unsigned push_instr(compiler_ctx_t *ctx, jsop_t op)
204 assert(ctx->code_size >= ctx->code_off);
206 if(ctx->code_size == ctx->code_off) {
209 new_instrs = heap_realloc(ctx->code->instrs, ctx->code_size*2*sizeof(instr_t));
213 ctx->code->instrs = new_instrs;
217 ctx->code->instrs[ctx->code_off].op = op;
218 return ctx->code_off++;
221 static inline instr_t *instr_ptr(compiler_ctx_t *ctx, unsigned off)
223 assert(off < ctx->code_off);
224 return ctx->code->instrs + off;
227 static HRESULT push_instr_int(compiler_ctx_t *ctx, jsop_t op, LONG arg)
231 instr = push_instr(ctx, op);
233 return E_OUTOFMEMORY;
235 instr_ptr(ctx, instr)->u.arg->lng = arg;
239 static HRESULT push_instr_str(compiler_ctx_t *ctx, jsop_t op, const WCHAR *arg)
244 str = compiler_alloc_string(ctx, arg);
246 return E_OUTOFMEMORY;
248 instr = push_instr(ctx, op);
250 return E_OUTOFMEMORY;
252 instr_ptr(ctx, instr)->u.arg->str = str;
256 static HRESULT push_instr_bstr(compiler_ctx_t *ctx, jsop_t op, const WCHAR *arg)
261 str = compiler_alloc_bstr(ctx, arg);
263 return E_OUTOFMEMORY;
265 instr = push_instr(ctx, op);
267 return E_OUTOFMEMORY;
269 instr_ptr(ctx, instr)->u.arg->bstr = str;
273 static HRESULT push_instr_bstr_uint(compiler_ctx_t *ctx, jsop_t op, const WCHAR *arg1, unsigned arg2)
278 str = compiler_alloc_bstr(ctx, arg1);
280 return E_OUTOFMEMORY;
282 instr = push_instr(ctx, op);
284 return E_OUTOFMEMORY;
286 instr_ptr(ctx, instr)->u.arg[0].bstr = str;
287 instr_ptr(ctx, instr)->u.arg[1].uint = arg2;
291 static HRESULT push_instr_uint_str(compiler_ctx_t *ctx, jsop_t op, unsigned arg1, const WCHAR *arg2)
296 str = compiler_alloc_string(ctx, arg2);
298 return E_OUTOFMEMORY;
300 instr = push_instr(ctx, op);
302 return E_OUTOFMEMORY;
304 instr_ptr(ctx, instr)->u.arg[0].uint = arg1;
305 instr_ptr(ctx, instr)->u.arg[1].str = str;
309 static HRESULT push_instr_double(compiler_ctx_t *ctx, jsop_t op, double arg)
313 instr = push_instr(ctx, op);
315 return E_OUTOFMEMORY;
317 instr_ptr(ctx, instr)->u.dbl = arg;
321 static inline void set_arg_uint(compiler_ctx_t *ctx, unsigned instr, unsigned arg)
323 instr_ptr(ctx, instr)->u.arg->uint = arg;
326 static HRESULT push_instr_uint(compiler_ctx_t *ctx, jsop_t op, unsigned arg)
330 instr = push_instr(ctx, op);
332 return E_OUTOFMEMORY;
334 set_arg_uint(ctx, instr, arg);
338 static HRESULT compile_binary_expression(compiler_ctx_t *ctx, binary_expression_t *expr, jsop_t op)
342 hres = compile_expression(ctx, expr->expression1, TRUE);
346 hres = compile_expression(ctx, expr->expression2, TRUE);
350 return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY;
353 static HRESULT compile_unary_expression(compiler_ctx_t *ctx, unary_expression_t *expr, jsop_t op)
357 hres = compile_expression(ctx, expr->expression, TRUE);
361 return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY;
364 /* ECMA-262 3rd Edition 11.2.1 */
365 static HRESULT compile_member_expression(compiler_ctx_t *ctx, member_expression_t *expr)
369 hres = compile_expression(ctx, expr->expression, TRUE);
373 return push_instr_bstr(ctx, OP_member, expr->identifier);
376 #define LABEL_FLAG 0x80000000
378 static unsigned alloc_label(compiler_ctx_t *ctx)
380 if(!ctx->labels_size) {
381 ctx->labels = heap_alloc(8 * sizeof(*ctx->labels));
384 ctx->labels_size = 8;
385 }else if(ctx->labels_size == ctx->labels_cnt) {
386 unsigned *new_labels;
388 new_labels = heap_realloc(ctx->labels, 2*ctx->labels_size*sizeof(*ctx->labels));
392 ctx->labels = new_labels;
393 ctx->labels_size *= 2;
396 return ctx->labels_cnt++ | LABEL_FLAG;
399 static void label_set_addr(compiler_ctx_t *ctx, unsigned label)
401 assert(label & LABEL_FLAG);
402 ctx->labels[label & ~LABEL_FLAG] = ctx->code_off;
405 static inline BOOL is_memberid_expr(expression_type_t type)
407 return type == EXPR_IDENT || type == EXPR_MEMBER || type == EXPR_ARRAY;
410 static HRESULT compile_memberid_expression(compiler_ctx_t *ctx, expression_t *expr, unsigned flags)
416 identifier_expression_t *ident_expr = (identifier_expression_t*)expr;
418 hres = push_instr_bstr_uint(ctx, OP_identid, ident_expr->identifier, flags);
422 binary_expression_t *array_expr = (binary_expression_t*)expr;
424 hres = compile_expression(ctx, array_expr->expression1, TRUE);
428 hres = compile_expression(ctx, array_expr->expression2, TRUE);
432 hres = push_instr_uint(ctx, OP_memberid, flags);
436 member_expression_t *member_expr = (member_expression_t*)expr;
438 hres = compile_expression(ctx, member_expr->expression, TRUE);
442 /* FIXME: Potential optimization */
443 hres = push_instr_str(ctx, OP_str, member_expr->identifier);
447 hres = push_instr_uint(ctx, OP_memberid, flags);
457 static HRESULT compile_increment_expression(compiler_ctx_t *ctx, unary_expression_t *expr, jsop_t op, int n)
461 if(!is_memberid_expr(expr->expression->type)) {
462 hres = compile_expression(ctx, expr->expression, TRUE);
466 return push_instr_uint(ctx, OP_throw_ref, JS_E_ILLEGAL_ASSIGN);
469 hres = compile_memberid_expression(ctx, expr->expression, fdexNameEnsure);
473 return push_instr_int(ctx, op, n);
476 /* ECMA-262 3rd Edition 11.14 */
477 static HRESULT compile_comma_expression(compiler_ctx_t *ctx, binary_expression_t *expr, BOOL emit_ret)
481 hres = compile_expression(ctx, expr->expression1, FALSE);
485 return compile_expression(ctx, expr->expression2, emit_ret);
488 /* ECMA-262 3rd Edition 11.11 */
489 static HRESULT compile_logical_expression(compiler_ctx_t *ctx, binary_expression_t *expr, jsop_t op)
494 hres = compile_expression(ctx, expr->expression1, TRUE);
498 instr = push_instr(ctx, op);
500 return E_OUTOFMEMORY;
502 hres = compile_expression(ctx, expr->expression2, TRUE);
506 set_arg_uint(ctx, instr, ctx->code_off);
510 /* ECMA-262 3rd Edition 11.12 */
511 static HRESULT compile_conditional_expression(compiler_ctx_t *ctx, conditional_expression_t *expr)
513 unsigned jmp_false, jmp_end;
516 hres = compile_expression(ctx, expr->expression, TRUE);
520 jmp_false = push_instr(ctx, OP_cnd_z);
522 return E_OUTOFMEMORY;
524 hres = compile_expression(ctx, expr->true_expression, TRUE);
528 jmp_end = push_instr(ctx, OP_jmp);
530 return E_OUTOFMEMORY;
532 set_arg_uint(ctx, jmp_false, ctx->code_off);
533 hres = push_instr_uint(ctx, OP_pop, 1);
537 hres = compile_expression(ctx, expr->false_expression, TRUE);
541 set_arg_uint(ctx, jmp_end, ctx->code_off);
545 static HRESULT compile_new_expression(compiler_ctx_t *ctx, call_expression_t *expr)
547 unsigned arg_cnt = 0;
551 hres = compile_expression(ctx, expr->expression, TRUE);
555 for(arg = expr->argument_list; arg; arg = arg->next) {
556 hres = compile_expression(ctx, arg->expr, TRUE);
562 return push_instr_uint(ctx, OP_new, arg_cnt);
565 static HRESULT compile_call_expression(compiler_ctx_t *ctx, call_expression_t *expr, BOOL emit_ret)
567 unsigned arg_cnt = 0;
573 if(is_memberid_expr(expr->expression->type)) {
575 hres = compile_memberid_expression(ctx, expr->expression, 0);
578 hres = compile_expression(ctx, expr->expression, TRUE);
584 for(arg = expr->argument_list; arg; arg = arg->next) {
585 hres = compile_expression(ctx, arg->expr, TRUE);
591 instr = push_instr(ctx, op);
593 return E_OUTOFMEMORY;
595 instr_ptr(ctx, instr)->u.arg[0].uint = arg_cnt;
596 instr_ptr(ctx, instr)->u.arg[1].lng = emit_ret;
600 static HRESULT compile_delete_expression(compiler_ctx_t *ctx, unary_expression_t *expr)
604 switch(expr->expression->type) {
606 binary_expression_t *array_expr = (binary_expression_t*)expr->expression;
608 hres = compile_expression(ctx, array_expr->expression1, TRUE);
612 hres = compile_expression(ctx, array_expr->expression2, TRUE);
616 if(!push_instr(ctx, OP_delete))
617 return E_OUTOFMEMORY;
621 member_expression_t *member_expr = (member_expression_t*)expr->expression;
623 hres = compile_expression(ctx, member_expr->expression, TRUE);
627 /* FIXME: Potential optimization */
628 hres = push_instr_str(ctx, OP_str, member_expr->identifier);
632 if(!push_instr(ctx, OP_delete))
633 return E_OUTOFMEMORY;
637 return push_instr_bstr(ctx, OP_delete_ident, ((identifier_expression_t*)expr->expression)->identifier);
639 const WCHAR fixmeW[] = {'F','I','X','M','E',0};
641 WARN("invalid delete, unimplemented exception message\n");
643 hres = compile_expression(ctx, expr->expression, TRUE);
647 return push_instr_uint_str(ctx, OP_throw_type, JS_E_INVALID_DELETE, fixmeW);
654 static HRESULT compile_assign_expression(compiler_ctx_t *ctx, binary_expression_t *expr, jsop_t op)
656 BOOL use_throw_path = FALSE;
657 unsigned arg_cnt = 0;
660 if(expr->expression1->type == EXPR_CALL) {
661 call_expression_t *call_expr = (call_expression_t*)expr->expression1;
665 FIXME("op %d not supported on parametrized assign expressions\n", op);
669 if(is_memberid_expr(call_expr->expression->type) && call_expr->argument_list) {
670 hres = compile_memberid_expression(ctx, call_expr->expression, fdexNameEnsure);
674 for(arg = call_expr->argument_list; arg; arg = arg->next) {
675 hres = compile_expression(ctx, arg->expr, TRUE);
681 use_throw_path = TRUE;
683 }else if(is_memberid_expr(expr->expression1->type)) {
684 hres = compile_memberid_expression(ctx, expr->expression1, fdexNameEnsure);
688 use_throw_path = TRUE;
692 /* Illegal assignment: evaluate and throw */
693 hres = compile_expression(ctx, expr->expression1, TRUE);
697 hres = compile_expression(ctx, expr->expression2, TRUE);
701 if(op != OP_LAST && !push_instr(ctx, op))
702 return E_OUTOFMEMORY;
704 return push_instr_uint(ctx, OP_throw_ref, JS_E_ILLEGAL_ASSIGN);
707 if(op != OP_LAST && !push_instr(ctx, OP_refval))
708 return E_OUTOFMEMORY;
710 hres = compile_expression(ctx, expr->expression2, TRUE);
714 if(op != OP_LAST && !push_instr(ctx, op))
715 return E_OUTOFMEMORY;
718 return push_instr_uint(ctx, OP_assign_call, arg_cnt);
720 if(!push_instr(ctx, OP_assign))
721 return E_OUTOFMEMORY;
726 static HRESULT compile_typeof_expression(compiler_ctx_t *ctx, unary_expression_t *expr)
731 if(is_memberid_expr(expr->expression->type)) {
732 if(expr->expression->type == EXPR_IDENT)
733 return push_instr_bstr(ctx, OP_typeofident, ((identifier_expression_t*)expr->expression)->identifier);
736 hres = compile_memberid_expression(ctx, expr->expression, 0);
739 hres = compile_expression(ctx, expr->expression, TRUE);
744 return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY;
747 static HRESULT compile_literal(compiler_ctx_t *ctx, literal_t *literal)
749 switch(literal->type) {
751 return push_instr_int(ctx, OP_bool, literal->u.bval);
753 return push_instr_double(ctx, OP_double, literal->u.dval);
755 return push_instr(ctx, OP_null) ? S_OK : E_OUTOFMEMORY;
757 return push_instr_str(ctx, OP_str, literal->u.wstr);
762 str = compiler_alloc_string_len(ctx, literal->u.regexp.str, literal->u.regexp.str_len);
764 return E_OUTOFMEMORY;
766 instr = push_instr(ctx, OP_regexp);
768 return E_OUTOFMEMORY;
770 instr_ptr(ctx, instr)->u.arg[0].str = str;
771 instr_ptr(ctx, instr)->u.arg[1].uint = literal->u.regexp.flags;
780 static HRESULT literal_as_bstr(compiler_ctx_t *ctx, literal_t *literal, BSTR *str)
782 switch(literal->type) {
784 *str = compiler_alloc_bstr(ctx, literal->u.wstr);
790 hres = double_to_string(literal->u.dval, &jsstr);
794 *str = compiler_alloc_bstr_len(ctx, NULL, jsstr_length(jsstr));
796 jsstr_flush(jsstr, *str);
797 jsstr_release(jsstr);
805 return *str ? S_OK : E_OUTOFMEMORY;
808 static HRESULT compile_array_literal(compiler_ctx_t *ctx, array_literal_expression_t *expr)
810 unsigned i, elem_cnt = expr->length;
811 array_element_t *iter;
814 for(iter = expr->element_list; iter; iter = iter->next) {
815 elem_cnt += iter->elision+1;
817 for(i=0; i < iter->elision; i++) {
818 if(!push_instr(ctx, OP_undefined))
819 return E_OUTOFMEMORY;
822 hres = compile_expression(ctx, iter->expr, TRUE);
827 for(i=0; i < expr->length; i++) {
828 if(!push_instr(ctx, OP_undefined))
829 return E_OUTOFMEMORY;
832 return push_instr_uint(ctx, OP_carray, elem_cnt);
835 static HRESULT compile_object_literal(compiler_ctx_t *ctx, property_value_expression_t *expr)
842 if(!push_instr(ctx, OP_new_obj))
843 return E_OUTOFMEMORY;
845 for(iter = expr->property_list; iter; iter = iter->next) {
846 hres = literal_as_bstr(ctx, iter->name, &name);
850 hres = compile_expression(ctx, iter->value, TRUE);
854 instr = push_instr(ctx, OP_obj_prop);
856 return E_OUTOFMEMORY;
858 instr_ptr(ctx, instr)->u.arg->bstr = name;
864 static HRESULT compile_function_expression(compiler_ctx_t *ctx, function_expression_t *expr)
866 ctx->func_tail = ctx->func_tail ? (ctx->func_tail->next = expr) : (ctx->func_head = expr);
868 /* FIXME: not exactly right */
869 if(expr->identifier) {
870 ctx->func->func_cnt++;
871 return push_instr_bstr(ctx, OP_ident, expr->identifier);
874 return push_instr_uint(ctx, OP_func, ctx->func->func_cnt++);
877 static HRESULT compile_expression(compiler_ctx_t *ctx, expression_t *expr, BOOL emit_ret)
883 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_add);
886 hres = compile_logical_expression(ctx, (binary_expression_t*)expr, OP_cnd_z);
889 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_array);
892 hres = compile_array_literal(ctx, (array_literal_expression_t*)expr);
895 hres = compile_assign_expression(ctx, (binary_expression_t*)expr, OP_LAST);
898 hres = compile_assign_expression(ctx, (binary_expression_t*)expr, OP_add);
901 hres = compile_assign_expression(ctx, (binary_expression_t*)expr, OP_and);
904 hres = compile_assign_expression(ctx, (binary_expression_t*)expr, OP_sub);
907 hres = compile_assign_expression(ctx, (binary_expression_t*)expr, OP_mul);
910 hres = compile_assign_expression(ctx, (binary_expression_t*)expr, OP_div);
913 hres = compile_assign_expression(ctx, (binary_expression_t*)expr, OP_mod);
916 hres = compile_assign_expression(ctx, (binary_expression_t*)expr, OP_or);
918 case EXPR_ASSIGNLSHIFT:
919 hres = compile_assign_expression(ctx, (binary_expression_t*)expr, OP_lshift);
921 case EXPR_ASSIGNRSHIFT:
922 hres = compile_assign_expression(ctx, (binary_expression_t*)expr, OP_rshift);
924 case EXPR_ASSIGNRRSHIFT:
925 hres = compile_assign_expression(ctx, (binary_expression_t*)expr, OP_rshift2);
928 hres = compile_assign_expression(ctx, (binary_expression_t*)expr, OP_xor);
931 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_and);
934 hres = compile_unary_expression(ctx, (unary_expression_t*)expr, OP_bneg);
937 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_or);
940 return compile_call_expression(ctx, (call_expression_t*)expr, emit_ret);
942 return compile_comma_expression(ctx, (binary_expression_t*)expr, emit_ret);
944 hres = compile_conditional_expression(ctx, (conditional_expression_t*)expr);
947 hres = compile_delete_expression(ctx, (unary_expression_t*)expr);
950 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_div);
953 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_eq);
956 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_eq2);
959 hres = compile_function_expression(ctx, (function_expression_t*)expr);
962 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gt);
965 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gteq);
968 hres = push_instr_bstr(ctx, OP_ident, ((identifier_expression_t*)expr)->identifier);
971 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_in);
973 case EXPR_INSTANCEOF:
974 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_instanceof);
977 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lt);
980 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lteq);
983 hres = compile_literal(ctx, ((literal_expression_t*)expr)->literal);
986 hres = compile_unary_expression(ctx, (unary_expression_t*)expr, OP_neg);
989 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lshift);
992 hres = compile_member_expression(ctx, (member_expression_t*)expr);
995 hres = compile_unary_expression(ctx, (unary_expression_t*)expr, OP_minus);
998 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mod);
1001 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mul);
1004 hres = compile_new_expression(ctx, (call_expression_t*)expr);
1007 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_neq);
1010 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_neq2);
1013 hres = compile_logical_expression(ctx, (binary_expression_t*)expr, OP_cnd_nz);
1016 hres = compile_unary_expression(ctx, (unary_expression_t*)expr, OP_tonum);
1019 hres = compile_increment_expression(ctx, (unary_expression_t*)expr, OP_postinc, -1);
1022 hres = compile_increment_expression(ctx, (unary_expression_t*)expr, OP_postinc, 1);
1025 hres = compile_increment_expression(ctx, (unary_expression_t*)expr, OP_preinc, -1);
1028 hres = compile_increment_expression(ctx, (unary_expression_t*)expr, OP_preinc, 1);
1031 hres = compile_object_literal(ctx, (property_value_expression_t*)expr);
1034 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_rshift);
1037 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_rshift2);
1040 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_sub);
1043 return !emit_ret || push_instr(ctx, OP_this) ? S_OK : E_OUTOFMEMORY;
1045 hres = compile_typeof_expression(ctx, (unary_expression_t*)expr);
1048 hres = compile_unary_expression(ctx, (unary_expression_t*)expr, OP_void);
1051 hres = compile_binary_expression(ctx, (binary_expression_t*)expr, OP_xor);
1061 return emit_ret ? S_OK : push_instr_uint(ctx, OP_pop, 1);
1064 static inline BOOL is_loop_statement(statement_type_t type)
1066 return type == STAT_FOR || type == STAT_FORIN || type == STAT_WHILE;
1069 /* ECMA-262 3rd Edition 12.1 */
1070 static HRESULT compile_block_statement(compiler_ctx_t *ctx, statement_t *iter)
1075 hres = compile_statement(ctx, NULL, iter);
1085 /* ECMA-262 3rd Edition 12.2 */
1086 static HRESULT compile_variable_list(compiler_ctx_t *ctx, variable_declaration_t *list)
1088 variable_declaration_t *iter;
1091 assert(list != NULL);
1094 ctx->var_tail->global_next = list;
1096 ctx->var_head = list;
1098 for(iter = list; iter; iter = iter->next) {
1099 ctx->func->var_cnt++;
1100 iter->global_next = iter->next;
1102 ctx->var_tail = iter;
1107 hres = compile_expression(ctx, iter->expr, TRUE);
1111 hres = push_instr_bstr(ctx, OP_var_set, iter->identifier);
1119 /* ECMA-262 3rd Edition 12.2 */
1120 static HRESULT compile_var_statement(compiler_ctx_t *ctx, var_statement_t *stat)
1122 return compile_variable_list(ctx, stat->variable_list);
1125 /* ECMA-262 3rd Edition 12.4 */
1126 static HRESULT compile_expression_statement(compiler_ctx_t *ctx, expression_statement_t *stat)
1130 hres = compile_expression(ctx, stat->expr, ctx->from_eval);
1134 return !ctx->from_eval || push_instr(ctx, OP_setret) ? S_OK : E_OUTOFMEMORY;
1137 /* ECMA-262 3rd Edition 12.5 */
1138 static HRESULT compile_if_statement(compiler_ctx_t *ctx, if_statement_t *stat)
1143 hres = compile_expression(ctx, stat->expr, TRUE);
1147 jmp_else = push_instr(ctx, OP_jmp_z);
1149 return E_OUTOFMEMORY;
1151 hres = compile_statement(ctx, NULL, stat->if_stat);
1155 if(stat->else_stat) {
1158 jmp_end = push_instr(ctx, OP_jmp);
1160 return E_OUTOFMEMORY;
1162 set_arg_uint(ctx, jmp_else, ctx->code_off);
1164 hres = compile_statement(ctx, NULL, stat->else_stat);
1168 set_arg_uint(ctx, jmp_end, ctx->code_off);
1170 set_arg_uint(ctx, jmp_else, ctx->code_off);
1176 /* ECMA-262 3rd Edition 12.6.2 */
1177 static HRESULT compile_while_statement(compiler_ctx_t *ctx, while_statement_t *stat)
1179 statement_ctx_t stat_ctx = {0, FALSE, FALSE};
1183 stat_ctx.break_label = alloc_label(ctx);
1184 if(!stat_ctx.break_label)
1185 return E_OUTOFMEMORY;
1187 stat_ctx.continue_label = alloc_label(ctx);
1188 if(!stat_ctx.continue_label)
1189 return E_OUTOFMEMORY;
1191 jmp_off = ctx->code_off;
1193 if(!stat->do_while) {
1194 label_set_addr(ctx, stat_ctx.continue_label);
1195 hres = compile_expression(ctx, stat->expr, TRUE);
1199 hres = push_instr_uint(ctx, OP_jmp_z, stat_ctx.break_label);
1204 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1208 if(stat->do_while) {
1209 label_set_addr(ctx, stat_ctx.continue_label);
1210 hres = compile_expression(ctx, stat->expr, TRUE);
1214 hres = push_instr_uint(ctx, OP_jmp_z, stat_ctx.break_label);
1219 hres = push_instr_uint(ctx, OP_jmp, jmp_off);
1223 label_set_addr(ctx, stat_ctx.break_label);
1227 /* ECMA-262 3rd Edition 12.6.3 */
1228 static HRESULT compile_for_statement(compiler_ctx_t *ctx, for_statement_t *stat)
1230 statement_ctx_t stat_ctx = {0, FALSE, FALSE};
1234 if(stat->variable_list) {
1235 hres = compile_variable_list(ctx, stat->variable_list);
1238 }else if(stat->begin_expr) {
1239 hres = compile_expression(ctx, stat->begin_expr, FALSE);
1244 stat_ctx.break_label = alloc_label(ctx);
1245 if(!stat_ctx.break_label)
1246 return E_OUTOFMEMORY;
1248 stat_ctx.continue_label = alloc_label(ctx);
1249 if(!stat_ctx.continue_label)
1250 return E_OUTOFMEMORY;
1252 expr_off = ctx->code_off;
1255 hres = compile_expression(ctx, stat->expr, TRUE);
1259 hres = push_instr_uint(ctx, OP_jmp_z, stat_ctx.break_label);
1264 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1268 label_set_addr(ctx, stat_ctx.continue_label);
1270 if(stat->end_expr) {
1271 hres = compile_expression(ctx, stat->end_expr, FALSE);
1276 hres = push_instr_uint(ctx, OP_jmp, expr_off);
1280 label_set_addr(ctx, stat_ctx.break_label);
1284 /* ECMA-262 3rd Edition 12.6.4 */
1285 static HRESULT compile_forin_statement(compiler_ctx_t *ctx, forin_statement_t *stat)
1287 statement_ctx_t stat_ctx = {4, FALSE, FALSE};
1290 if(stat->variable) {
1291 hres = compile_variable_list(ctx, stat->variable);
1296 stat_ctx.break_label = alloc_label(ctx);
1297 if(!stat_ctx.break_label)
1298 return E_OUTOFMEMORY;
1300 stat_ctx.continue_label = alloc_label(ctx);
1301 if(!stat_ctx.continue_label)
1302 return E_OUTOFMEMORY;
1304 hres = compile_expression(ctx, stat->in_expr, TRUE);
1308 if(stat->variable) {
1309 hres = push_instr_bstr_uint(ctx, OP_identid, stat->variable->identifier, fdexNameEnsure);
1312 }else if(is_memberid_expr(stat->expr->type)) {
1313 hres = compile_memberid_expression(ctx, stat->expr, fdexNameEnsure);
1317 hres = push_instr_uint(ctx, OP_throw_ref, JS_E_ILLEGAL_ASSIGN);
1321 /* FIXME: compile statement anyways when we depend on compiler to check errors */
1325 hres = push_instr_int(ctx, OP_int, DISPID_STARTENUM);
1329 label_set_addr(ctx, stat_ctx.continue_label);
1330 hres = push_instr_uint(ctx, OP_forin, stat_ctx.break_label);
1332 return E_OUTOFMEMORY;
1334 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1338 hres = push_instr_uint(ctx, OP_jmp, stat_ctx.continue_label);
1342 label_set_addr(ctx, stat_ctx.break_label);
1346 static HRESULT pop_to_stat(compiler_ctx_t *ctx, BOOL var_stack, BOOL scope_stack, statement_ctx_t *stat_ctx)
1348 unsigned stack_pop = 0;
1349 statement_ctx_t *iter;
1351 for(iter = ctx->stat_ctx; iter != stat_ctx; iter = iter->next) {
1353 if(iter->using_scope && !push_instr(ctx, OP_pop_scope))
1354 return E_OUTOFMEMORY;
1355 if(iter->using_except && !push_instr(ctx, OP_pop_except))
1356 return E_OUTOFMEMORY;
1358 stack_pop += iter->stack_use;
1361 if(var_stack && stack_pop) {
1364 hres = push_instr_uint(ctx, OP_pop, stack_pop);
1372 /* ECMA-262 3rd Edition 12.7 */
1373 static HRESULT compile_continue_statement(compiler_ctx_t *ctx, branch_statement_t *stat)
1375 statement_ctx_t *pop_ctx;
1378 if(stat->identifier) {
1379 statement_t *label_stat;
1380 statement_ctx_t *iter;
1384 for(iter = ctx->stat_ctx; iter; iter = iter->next) {
1385 if(iter->continue_label)
1387 if(iter->labelled_stat && !strcmpW(iter->labelled_stat->identifier, stat->identifier))
1392 WARN("Label not found\n");
1393 return JS_E_LABEL_NOT_FOUND;
1396 /* Labelled continue are allowed only on loops */
1397 for(label_stat = iter->labelled_stat->statement;
1398 label_stat->type == STAT_LABEL;
1399 label_stat = ((labelled_statement_t*)label_stat)->statement);
1400 if(!is_loop_statement(label_stat->type)) {
1401 WARN("Label is not a loop\n");
1402 return JS_E_INVALID_CONTINUE;
1405 assert(pop_ctx != NULL);
1407 for(pop_ctx = ctx->stat_ctx; pop_ctx; pop_ctx = pop_ctx->next) {
1408 if(pop_ctx->continue_label)
1413 WARN("continue outside loop\n");
1414 return JS_E_INVALID_CONTINUE;
1418 hres = pop_to_stat(ctx, TRUE, TRUE, pop_ctx);
1422 return push_instr_uint(ctx, OP_jmp, pop_ctx->continue_label);
1425 /* ECMA-262 3rd Edition 12.8 */
1426 static HRESULT compile_break_statement(compiler_ctx_t *ctx, branch_statement_t *stat)
1428 statement_ctx_t *pop_ctx;
1431 if(stat->identifier) {
1432 for(pop_ctx = ctx->stat_ctx; pop_ctx; pop_ctx = pop_ctx->next) {
1433 if(pop_ctx->labelled_stat && !strcmpW(pop_ctx->labelled_stat->identifier, stat->identifier)) {
1434 assert(pop_ctx->break_label);
1440 WARN("Label not found\n");
1441 return JS_E_LABEL_NOT_FOUND;
1444 for(pop_ctx = ctx->stat_ctx; pop_ctx; pop_ctx = pop_ctx->next) {
1445 if(pop_ctx->break_label && !pop_ctx->labelled_stat)
1450 WARN("Break outside loop\n");
1451 return JS_E_INVALID_BREAK;
1455 hres = pop_to_stat(ctx, TRUE, TRUE, pop_ctx->next);
1459 return push_instr_uint(ctx, OP_jmp, pop_ctx->break_label);
1462 /* ECMA-262 3rd Edition 12.9 */
1463 static HRESULT compile_return_statement(compiler_ctx_t *ctx, expression_statement_t *stat)
1467 if(ctx->from_eval) {
1468 WARN("misplaced return statement\n");
1469 return JS_E_MISPLACED_RETURN;
1472 hres = pop_to_stat(ctx, TRUE, FALSE, NULL);
1477 hres = compile_expression(ctx, stat->expr, TRUE);
1480 if(!push_instr(ctx, OP_setret))
1481 return E_OUTOFMEMORY;
1484 hres = pop_to_stat(ctx, FALSE, TRUE, NULL);
1488 return push_instr(ctx, OP_ret) ? S_OK : E_OUTOFMEMORY;
1491 /* ECMA-262 3rd Edition 12.10 */
1492 static HRESULT compile_with_statement(compiler_ctx_t *ctx, with_statement_t *stat)
1494 statement_ctx_t stat_ctx = {0, TRUE, FALSE};
1497 hres = compile_expression(ctx, stat->expr, TRUE);
1501 if(!push_instr(ctx, OP_push_scope))
1502 return E_OUTOFMEMORY;
1504 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1508 if(!push_instr(ctx, OP_pop_scope))
1509 return E_OUTOFMEMORY;
1514 /* ECMA-262 3rd Edition 12.10 */
1515 static HRESULT compile_labelled_statement(compiler_ctx_t *ctx, labelled_statement_t *stat)
1517 statement_ctx_t stat_ctx = {0, FALSE, FALSE, 0, 0, stat}, *iter;
1520 for(iter = ctx->stat_ctx; iter; iter = iter->next) {
1521 if(iter->labelled_stat && !strcmpW(iter->labelled_stat->identifier, stat->identifier)) {
1522 WARN("Label %s redefined\n", debugstr_w(stat->identifier));
1523 return JS_E_LABEL_REDEFINED;
1527 /* Labelled breaks are allowed for any labelled statements, not only loops (violating spec) */
1528 stat_ctx.break_label = alloc_label(ctx);
1529 if(!stat_ctx.break_label)
1530 return E_OUTOFMEMORY;
1532 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1536 label_set_addr(ctx, stat_ctx.break_label);
1540 /* ECMA-262 3rd Edition 12.13 */
1541 static HRESULT compile_switch_statement(compiler_ctx_t *ctx, switch_statement_t *stat)
1543 statement_ctx_t stat_ctx = {0, FALSE, FALSE};
1544 unsigned case_cnt = 0, *case_jmps, i, default_jmp;
1545 BOOL have_default = FALSE;
1546 statement_t *stat_iter;
1547 case_clausule_t *iter;
1550 hres = compile_expression(ctx, stat->expr, TRUE);
1554 stat_ctx.break_label = alloc_label(ctx);
1555 if(!stat_ctx.break_label)
1556 return E_OUTOFMEMORY;
1558 for(iter = stat->case_list; iter; iter = iter->next) {
1563 case_jmps = heap_alloc(case_cnt * sizeof(*case_jmps));
1565 return E_OUTOFMEMORY;
1568 for(iter = stat->case_list; iter; iter = iter->next) {
1570 have_default = TRUE;
1574 hres = compile_expression(ctx, iter->expr, TRUE);
1578 case_jmps[i] = push_instr(ctx, OP_case);
1580 hres = E_OUTOFMEMORY;
1586 if(SUCCEEDED(hres)) {
1587 hres = push_instr_uint(ctx, OP_pop, 1);
1588 if(SUCCEEDED(hres)) {
1589 default_jmp = push_instr(ctx, OP_jmp);
1591 hres = E_OUTOFMEMORY;
1596 heap_free(case_jmps);
1601 for(iter = stat->case_list; iter; iter = iter->next) {
1602 while(iter->next && iter->next->stat == iter->stat) {
1603 set_arg_uint(ctx, iter->expr ? case_jmps[i++] : default_jmp, ctx->code_off);
1607 set_arg_uint(ctx, iter->expr ? case_jmps[i++] : default_jmp, ctx->code_off);
1609 for(stat_iter = iter->stat; stat_iter && (!iter->next || iter->next->stat != stat_iter);
1610 stat_iter = stat_iter->next) {
1611 hres = compile_statement(ctx, &stat_ctx, stat_iter);
1619 heap_free(case_jmps);
1622 assert(i == case_cnt);
1625 hres = push_instr_uint(ctx, OP_jmp, stat_ctx.break_label);
1628 set_arg_uint(ctx, default_jmp, ctx->code_off);
1631 label_set_addr(ctx, stat_ctx.break_label);
1635 /* ECMA-262 3rd Edition 12.13 */
1636 static HRESULT compile_throw_statement(compiler_ctx_t *ctx, expression_statement_t *stat)
1640 hres = compile_expression(ctx, stat->expr, TRUE);
1644 return push_instr(ctx, OP_throw) ? S_OK : E_OUTOFMEMORY;
1647 /* ECMA-262 3rd Edition 12.14 */
1648 static HRESULT compile_try_statement(compiler_ctx_t *ctx, try_statement_t *stat)
1650 statement_ctx_t try_ctx = {0, FALSE, TRUE}, catch_ctx = {0, TRUE, FALSE};
1651 statement_ctx_t finally_ctx = {2, FALSE, FALSE};
1652 unsigned push_except;
1656 push_except = push_instr(ctx, OP_push_except);
1658 return E_OUTOFMEMORY;
1660 if(stat->catch_block) {
1661 ident = compiler_alloc_bstr(ctx, stat->catch_block->identifier);
1663 return E_OUTOFMEMORY;
1668 instr_ptr(ctx, push_except)->u.arg[1].bstr = ident;
1670 if(!stat->catch_block)
1671 try_ctx.stack_use = 2;
1673 hres = compile_statement(ctx, &try_ctx, stat->try_statement);
1677 if(!push_instr(ctx, OP_pop_except))
1678 return E_OUTOFMEMORY;
1680 if(stat->catch_block) {
1681 unsigned jmp_finally;
1683 jmp_finally = push_instr(ctx, OP_jmp);
1685 return E_OUTOFMEMORY;
1687 instr_ptr(ctx, push_except)->u.arg[0].uint = ctx->code_off;
1689 hres = compile_statement(ctx, &catch_ctx, stat->catch_block->statement);
1693 if(!push_instr(ctx, OP_pop_scope))
1694 return E_OUTOFMEMORY;
1696 set_arg_uint(ctx, jmp_finally, ctx->code_off);
1698 set_arg_uint(ctx, push_except, ctx->code_off);
1701 if(stat->finally_statement) {
1702 hres = compile_statement(ctx, stat->catch_block ? NULL : &finally_ctx, stat->finally_statement);
1706 if(!stat->catch_block && !push_instr(ctx, OP_end_finally))
1707 return E_OUTOFMEMORY;
1713 static HRESULT compile_statement(compiler_ctx_t *ctx, statement_ctx_t *stat_ctx, statement_t *stat)
1718 stat_ctx->next = ctx->stat_ctx;
1719 ctx->stat_ctx = stat_ctx;
1722 switch(stat->type) {
1724 hres = compile_block_statement(ctx, ((block_statement_t*)stat)->stat_list);
1727 hres = compile_break_statement(ctx, (branch_statement_t*)stat);
1730 hres = compile_continue_statement(ctx, (branch_statement_t*)stat);
1737 hres = compile_expression_statement(ctx, (expression_statement_t*)stat);
1740 hres = compile_for_statement(ctx, (for_statement_t*)stat);
1743 hres = compile_forin_statement(ctx, (forin_statement_t*)stat);
1746 hres = compile_if_statement(ctx, (if_statement_t*)stat);
1749 hres = compile_labelled_statement(ctx, (labelled_statement_t*)stat);
1752 hres = compile_return_statement(ctx, (expression_statement_t*)stat);
1755 hres = compile_switch_statement(ctx, (switch_statement_t*)stat);
1758 hres = compile_throw_statement(ctx, (expression_statement_t*)stat);
1761 hres = compile_try_statement(ctx, (try_statement_t*)stat);
1764 hres = compile_var_statement(ctx, (var_statement_t*)stat);
1767 hres = compile_while_statement(ctx, (while_statement_t*)stat);
1770 hres = compile_with_statement(ctx, (with_statement_t*)stat);
1778 assert(ctx->stat_ctx == stat_ctx);
1779 ctx->stat_ctx = stat_ctx->next;
1785 static void resolve_labels(compiler_ctx_t *ctx, unsigned off)
1789 for(instr = ctx->code->instrs+off; instr < ctx->code->instrs+ctx->code_off; instr++) {
1790 if(instr_info[instr->op].arg1_type == ARG_ADDR && (instr->u.arg->uint & LABEL_FLAG)) {
1791 assert((instr->u.arg->uint & ~LABEL_FLAG) < ctx->labels_cnt);
1792 instr->u.arg->uint = ctx->labels[instr->u.arg->uint & ~LABEL_FLAG];
1794 assert(instr_info[instr->op].arg2_type != ARG_ADDR);
1797 ctx->labels_cnt = 0;
1800 void release_bytecode(bytecode_t *code)
1807 for(i=0; i < code->bstr_cnt; i++)
1808 SysFreeString(code->bstr_pool[i]);
1809 for(i=0; i < code->str_cnt; i++)
1810 jsstr_release(code->str_pool[i]);
1812 heap_free(code->source);
1813 heap_pool_free(&code->heap);
1814 heap_free(code->bstr_pool);
1815 heap_free(code->str_pool);
1816 heap_free(code->instrs);
1820 static HRESULT init_code(compiler_ctx_t *compiler, const WCHAR *source)
1822 compiler->code = heap_alloc_zero(sizeof(bytecode_t));
1824 return E_OUTOFMEMORY;
1826 compiler->code->ref = 1;
1827 heap_pool_init(&compiler->code->heap);
1829 compiler->code->source = heap_strdupW(source);
1830 if(!compiler->code->source) {
1831 release_bytecode(compiler->code);
1832 return E_OUTOFMEMORY;
1835 compiler->code->instrs = heap_alloc(64 * sizeof(instr_t));
1836 if(!compiler->code->instrs) {
1837 release_bytecode(compiler->code);
1838 return E_OUTOFMEMORY;
1841 compiler->code_size = 64;
1842 compiler->code_off = 1;
1846 static HRESULT compile_function(compiler_ctx_t *ctx, source_elements_t *source, function_expression_t *func_expr,
1847 BOOL from_eval, function_code_t *func)
1849 variable_declaration_t *var_iter;
1850 function_expression_t *iter;
1856 ctx->var_head = ctx->var_tail = NULL;
1857 ctx->func_head = ctx->func_tail = NULL;
1858 ctx->from_eval = from_eval;
1860 off = ctx->code_off;
1862 hres = compile_block_statement(ctx, source->statement);
1866 resolve_labels(ctx, off);
1868 if(!push_instr(ctx, OP_ret))
1869 return E_OUTOFMEMORY;
1871 if(TRACE_ON(jscript_disas))
1872 dump_code(ctx, off);
1874 func->instr_off = off;
1876 if(func_expr && func_expr->identifier) {
1877 func->name = compiler_alloc_bstr(ctx, func_expr->identifier);
1879 return E_OUTOFMEMORY;
1883 parameter_t *param_iter;
1885 func->source = func_expr->src_str;
1886 func->source_len = func_expr->src_len;
1888 for(param_iter = func_expr->parameter_list; param_iter; param_iter = param_iter->next)
1891 func->params = compiler_alloc(ctx->code, func->param_cnt * sizeof(*func->params));
1893 return E_OUTOFMEMORY;
1895 for(param_iter = func_expr->parameter_list, i=0; param_iter; param_iter = param_iter->next, i++) {
1896 func->params[i] = compiler_alloc_bstr(ctx, param_iter->identifier);
1897 if(!func->params[i])
1898 return E_OUTOFMEMORY;
1902 func->variables = compiler_alloc(ctx->code, func->var_cnt * sizeof(*func->variables));
1903 if(!func->variables)
1904 return E_OUTOFMEMORY;
1906 for(var_iter = ctx->var_head, i=0; var_iter; var_iter = var_iter->global_next, i++) {
1907 func->variables[i] = compiler_alloc_bstr(ctx, var_iter->identifier);
1908 if(!func->variables[i])
1909 return E_OUTOFMEMORY;
1912 assert(i == func->var_cnt);
1914 func->funcs = compiler_alloc(ctx->code, func->func_cnt * sizeof(*func->funcs));
1916 return E_OUTOFMEMORY;
1917 memset(func->funcs, 0, func->func_cnt * sizeof(*func->funcs));
1919 for(iter = ctx->func_head, i=0; iter; iter = iter->next, i++) {
1920 hres = compile_function(ctx, iter->source_elements, iter, FALSE, func->funcs+i);
1925 assert(i == func->func_cnt);
1930 static HRESULT parse_arguments(compiler_ctx_t *ctx, const WCHAR *args, BSTR *arg_array, unsigned *args_size)
1932 const WCHAR *ptr = args, *ptr2;
1933 unsigned arg_cnt = 0;
1935 while(isspaceW(*ptr))
1944 if(!isalphaW(*ptr) && *ptr != '_') {
1945 FIXME("expected alpha or '_': %s\n", debugstr_w(ptr));
1950 while(isalnumW(*ptr) || *ptr == '_')
1953 if(*ptr && *ptr != ',' && !isspaceW(*ptr)) {
1954 FIXME("unexpected har %s\n", debugstr_w(ptr));
1959 arg_array[arg_cnt] = compiler_alloc_bstr_len(ctx, ptr2, ptr-ptr2);
1960 if(!arg_array[arg_cnt])
1961 return E_OUTOFMEMORY;
1965 while(isspaceW(*ptr))
1970 FIXME("expected ',': %s\n", debugstr_w(ptr));
1975 while(isspaceW(*ptr))
1980 *args_size = arg_cnt;
1984 static HRESULT compile_arguments(compiler_ctx_t *ctx, const WCHAR *args)
1988 hres = parse_arguments(ctx, args, NULL, &ctx->code->global_code.param_cnt);
1992 ctx->code->global_code.params = compiler_alloc(ctx->code,
1993 ctx->code->global_code.param_cnt * sizeof(*ctx->code->global_code.params));
1994 if(!ctx->code->global_code.params)
1995 return E_OUTOFMEMORY;
1997 return parse_arguments(ctx, args, ctx->code->global_code.params, NULL);
2000 HRESULT compile_script(script_ctx_t *ctx, const WCHAR *code, const WCHAR *args, const WCHAR *delimiter,
2001 BOOL from_eval, BOOL use_decode, bytecode_t **ret)
2003 compiler_ctx_t compiler = {0};
2006 hres = init_code(&compiler, code);
2011 hres = compile_arguments(&compiler, args);
2017 hres = decode_source(compiler.code->source);
2019 WARN("Decoding failed\n");
2024 hres = script_parse(ctx, compiler.code->source, delimiter, from_eval, &compiler.parser);
2026 release_bytecode(compiler.code);
2030 hres = compile_function(&compiler, compiler.parser->source, NULL, from_eval, &compiler.code->global_code);
2031 parser_release(compiler.parser);
2033 release_bytecode(compiler.code);
2037 *ret = compiler.code;