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 BOOL ensure_bstr_slot(compiler_ctx_t *ctx)
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;
155 static BSTR compiler_alloc_bstr(compiler_ctx_t *ctx, const WCHAR *str)
157 if(!ensure_bstr_slot(ctx))
160 ctx->code->bstr_pool[ctx->code->bstr_cnt] = SysAllocString(str);
161 if(!ctx->code->bstr_pool[ctx->code->bstr_cnt])
164 return ctx->code->bstr_pool[ctx->code->bstr_cnt++];
167 static BSTR compiler_alloc_bstr_len(compiler_ctx_t *ctx, const WCHAR *str, size_t len)
169 if(!ensure_bstr_slot(ctx))
172 ctx->code->bstr_pool[ctx->code->bstr_cnt] = SysAllocStringLen(str, len);
173 if(!ctx->code->bstr_pool[ctx->code->bstr_cnt])
176 return ctx->code->bstr_pool[ctx->code->bstr_cnt++];
179 static unsigned push_instr(compiler_ctx_t *ctx, jsop_t op)
181 assert(ctx->code_size >= ctx->code_off);
183 if(ctx->code_size == ctx->code_off) {
186 new_instrs = heap_realloc(ctx->code->instrs, ctx->code_size*2*sizeof(instr_t));
190 ctx->code->instrs = new_instrs;
194 ctx->code->instrs[ctx->code_off].op = op;
195 return ctx->code_off++;
198 static inline instr_t *instr_ptr(compiler_ctx_t *ctx, unsigned off)
200 assert(off < ctx->code_off);
201 return ctx->code->instrs + off;
204 static HRESULT push_instr_int(compiler_ctx_t *ctx, jsop_t op, LONG arg)
208 instr = push_instr(ctx, op);
210 return E_OUTOFMEMORY;
212 instr_ptr(ctx, instr)->u.arg->lng = arg;
216 static HRESULT push_instr_str(compiler_ctx_t *ctx, jsop_t op, const WCHAR *arg)
221 str = compiler_alloc_string(ctx->code, arg);
223 return E_OUTOFMEMORY;
225 instr = push_instr(ctx, op);
227 return E_OUTOFMEMORY;
229 instr_ptr(ctx, instr)->u.arg->str = str;
233 static HRESULT push_instr_bstr(compiler_ctx_t *ctx, jsop_t op, const WCHAR *arg)
238 str = compiler_alloc_bstr(ctx, arg);
240 return E_OUTOFMEMORY;
242 instr = push_instr(ctx, op);
244 return E_OUTOFMEMORY;
246 instr_ptr(ctx, instr)->u.arg->bstr = str;
250 static HRESULT push_instr_bstr_uint(compiler_ctx_t *ctx, jsop_t op, const WCHAR *arg1, unsigned arg2)
255 str = compiler_alloc_bstr(ctx, arg1);
257 return E_OUTOFMEMORY;
259 instr = push_instr(ctx, op);
261 return E_OUTOFMEMORY;
263 instr_ptr(ctx, instr)->u.arg[0].bstr = str;
264 instr_ptr(ctx, instr)->u.arg[1].uint = arg2;
268 static HRESULT push_instr_uint_str(compiler_ctx_t *ctx, jsop_t op, unsigned arg1, const WCHAR *arg2)
273 str = compiler_alloc_string(ctx->code, arg2);
275 return E_OUTOFMEMORY;
277 instr = push_instr(ctx, op);
279 return E_OUTOFMEMORY;
281 instr_ptr(ctx, instr)->u.arg[0].uint = arg1;
282 instr_ptr(ctx, instr)->u.arg[1].str = str;
286 static HRESULT push_instr_double(compiler_ctx_t *ctx, jsop_t op, double arg)
290 instr = push_instr(ctx, op);
292 return E_OUTOFMEMORY;
294 instr_ptr(ctx, instr)->u.dbl = arg;
298 static inline void set_arg_uint(compiler_ctx_t *ctx, unsigned instr, unsigned arg)
300 instr_ptr(ctx, instr)->u.arg->uint = arg;
303 static HRESULT push_instr_uint(compiler_ctx_t *ctx, jsop_t op, unsigned arg)
307 instr = push_instr(ctx, op);
309 return E_OUTOFMEMORY;
311 set_arg_uint(ctx, instr, arg);
315 static HRESULT compile_binary_expression(compiler_ctx_t *ctx, binary_expression_t *expr, jsop_t op)
319 hres = compile_expression(ctx, expr->expression1);
323 hres = compile_expression(ctx, expr->expression2);
327 return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY;
330 static HRESULT compile_unary_expression(compiler_ctx_t *ctx, unary_expression_t *expr, jsop_t op)
334 hres = compile_expression(ctx, expr->expression);
338 return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY;
341 /* ECMA-262 3rd Edition 11.2.1 */
342 static HRESULT compile_member_expression(compiler_ctx_t *ctx, member_expression_t *expr)
346 hres = compile_expression(ctx, expr->expression);
350 return push_instr_bstr(ctx, OP_member, expr->identifier);
353 #define LABEL_FLAG 0x80000000
355 static unsigned alloc_label(compiler_ctx_t *ctx)
357 if(!ctx->labels_size) {
358 ctx->labels = heap_alloc(8 * sizeof(*ctx->labels));
361 ctx->labels_size = 8;
362 }else if(ctx->labels_size == ctx->labels_cnt) {
363 unsigned *new_labels;
365 new_labels = heap_realloc(ctx->labels, 2*ctx->labels_size*sizeof(*ctx->labels));
369 ctx->labels = new_labels;
370 ctx->labels_size *= 2;
373 return ctx->labels_cnt++ | LABEL_FLAG;
376 static void label_set_addr(compiler_ctx_t *ctx, unsigned label)
378 assert(label & LABEL_FLAG);
379 ctx->labels[label & ~LABEL_FLAG] = ctx->code_off;
382 static inline BOOL is_memberid_expr(expression_type_t type)
384 return type == EXPR_IDENT || type == EXPR_MEMBER || type == EXPR_ARRAY;
387 static HRESULT compile_memberid_expression(compiler_ctx_t *ctx, expression_t *expr, unsigned flags)
393 identifier_expression_t *ident_expr = (identifier_expression_t*)expr;
395 hres = push_instr_bstr_uint(ctx, OP_identid, ident_expr->identifier, flags);
399 binary_expression_t *array_expr = (binary_expression_t*)expr;
401 hres = compile_expression(ctx, array_expr->expression1);
405 hres = compile_expression(ctx, array_expr->expression2);
409 hres = push_instr_uint(ctx, OP_memberid, flags);
413 member_expression_t *member_expr = (member_expression_t*)expr;
415 hres = compile_expression(ctx, member_expr->expression);
419 /* FIXME: Potential optimization */
420 hres = push_instr_str(ctx, OP_str, member_expr->identifier);
424 hres = push_instr_uint(ctx, OP_memberid, flags);
434 static HRESULT compile_increment_expression(compiler_ctx_t *ctx, unary_expression_t *expr, jsop_t op, int n)
438 if(!is_memberid_expr(expr->expression->type)) {
439 hres = compile_expression(ctx, expr->expression);
443 return push_instr_uint(ctx, OP_throw_ref, JS_E_ILLEGAL_ASSIGN);
446 hres = compile_memberid_expression(ctx, expr->expression, fdexNameEnsure);
450 return push_instr_int(ctx, op, n);
453 /* ECMA-262 3rd Edition 11.14 */
454 static HRESULT compile_comma_expression(compiler_ctx_t *ctx, binary_expression_t *expr)
458 hres = compile_expression(ctx, expr->expression1);
462 if(!push_instr(ctx, OP_pop))
463 return E_OUTOFMEMORY;
465 return compile_expression(ctx, expr->expression2);
468 /* ECMA-262 3rd Edition 11.11 */
469 static HRESULT compile_logical_expression(compiler_ctx_t *ctx, binary_expression_t *expr, jsop_t op)
474 hres = compile_expression(ctx, expr->expression1);
478 instr = push_instr(ctx, op);
480 return E_OUTOFMEMORY;
482 hres = compile_expression(ctx, expr->expression2);
486 set_arg_uint(ctx, instr, ctx->code_off);
490 /* ECMA-262 3rd Edition 11.12 */
491 static HRESULT compile_conditional_expression(compiler_ctx_t *ctx, conditional_expression_t *expr)
493 unsigned jmp_false, jmp_end;
496 hres = compile_expression(ctx, expr->expression);
500 jmp_false = push_instr(ctx, OP_cnd_z);
502 return E_OUTOFMEMORY;
504 hres = compile_expression(ctx, expr->true_expression);
508 jmp_end = push_instr(ctx, OP_jmp);
510 return E_OUTOFMEMORY;
512 set_arg_uint(ctx, jmp_false, ctx->code_off);
513 if(!push_instr(ctx, OP_pop))
514 return E_OUTOFMEMORY;
516 hres = compile_expression(ctx, expr->false_expression);
520 set_arg_uint(ctx, jmp_end, ctx->code_off);
524 static HRESULT compile_new_expression(compiler_ctx_t *ctx, call_expression_t *expr)
526 unsigned arg_cnt = 0;
530 hres = compile_expression(ctx, expr->expression);
534 for(arg = expr->argument_list; arg; arg = arg->next) {
535 hres = compile_expression(ctx, arg->expr);
541 return push_instr_uint(ctx, OP_new, arg_cnt);
544 static HRESULT compile_call_expression(compiler_ctx_t *ctx, call_expression_t *expr, BOOL *no_ret)
546 unsigned arg_cnt = 0;
552 if(is_memberid_expr(expr->expression->type)) {
554 hres = compile_memberid_expression(ctx, expr->expression, 0);
557 hres = compile_expression(ctx, expr->expression);
563 for(arg = expr->argument_list; arg; arg = arg->next) {
564 hres = compile_expression(ctx, arg->expr);
570 instr = push_instr(ctx, op);
572 return E_OUTOFMEMORY;
574 instr_ptr(ctx, instr)->u.arg[0].uint = arg_cnt;
575 instr_ptr(ctx, instr)->u.arg[1].lng = no_ret == NULL;
581 static HRESULT compile_delete_expression(compiler_ctx_t *ctx, unary_expression_t *expr)
585 switch(expr->expression->type) {
587 binary_expression_t *array_expr = (binary_expression_t*)expr->expression;
589 hres = compile_expression(ctx, array_expr->expression1);
593 hres = compile_expression(ctx, array_expr->expression2);
597 if(!push_instr(ctx, OP_delete))
598 return E_OUTOFMEMORY;
602 member_expression_t *member_expr = (member_expression_t*)expr->expression;
604 hres = compile_expression(ctx, member_expr->expression);
608 /* FIXME: Potential optimization */
609 hres = push_instr_str(ctx, OP_str, member_expr->identifier);
613 if(!push_instr(ctx, OP_delete))
614 return E_OUTOFMEMORY;
618 return push_instr_bstr(ctx, OP_delete_ident, ((identifier_expression_t*)expr->expression)->identifier);
620 const WCHAR fixmeW[] = {'F','I','X','M','E',0};
622 WARN("invalid delete, unimplemented exception message\n");
624 hres = compile_expression(ctx, expr->expression);
628 return push_instr_uint_str(ctx, OP_throw_type, JS_E_INVALID_DELETE, fixmeW);
635 static HRESULT compile_assign_expression(compiler_ctx_t *ctx, binary_expression_t *expr, jsop_t op)
637 BOOL use_throw_path = FALSE;
638 unsigned arg_cnt = 0;
641 if(expr->expression1->type == EXPR_CALL) {
642 call_expression_t *call_expr = (call_expression_t*)expr->expression1;
646 FIXME("op %d not supported on parametrized assign expressions\n", op);
650 if(is_memberid_expr(call_expr->expression->type) && call_expr->argument_list) {
651 hres = compile_memberid_expression(ctx, call_expr->expression, fdexNameEnsure);
655 for(arg = call_expr->argument_list; arg; arg = arg->next) {
656 hres = compile_expression(ctx, arg->expr);
662 use_throw_path = TRUE;
664 }else if(is_memberid_expr(expr->expression1->type)) {
665 hres = compile_memberid_expression(ctx, expr->expression1, fdexNameEnsure);
669 use_throw_path = TRUE;
673 /* Illegal assignment: evaluate and throw */
674 hres = compile_expression(ctx, expr->expression1);
678 hres = compile_expression(ctx, expr->expression2);
682 if(op != OP_LAST && !push_instr(ctx, op))
683 return E_OUTOFMEMORY;
685 return push_instr_uint(ctx, OP_throw_ref, JS_E_ILLEGAL_ASSIGN);
688 if(op != OP_LAST && !push_instr(ctx, OP_refval))
689 return E_OUTOFMEMORY;
691 hres = compile_expression(ctx, expr->expression2);
695 if(op != OP_LAST && !push_instr(ctx, op))
696 return E_OUTOFMEMORY;
699 return push_instr_uint(ctx, OP_assign_call, arg_cnt);
701 if(!push_instr(ctx, OP_assign))
702 return E_OUTOFMEMORY;
707 static HRESULT compile_typeof_expression(compiler_ctx_t *ctx, unary_expression_t *expr)
712 if(is_memberid_expr(expr->expression->type)) {
713 if(expr->expression->type == EXPR_IDENT)
714 return push_instr_str(ctx, OP_typeofident, ((identifier_expression_t*)expr->expression)->identifier);
717 hres = compile_memberid_expression(ctx, expr->expression, 0);
720 hres = compile_expression(ctx, expr->expression);
725 return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY;
728 static HRESULT compile_literal(compiler_ctx_t *ctx, literal_t *literal)
730 switch(literal->type) {
732 return push_instr_int(ctx, OP_bool, literal->u.bval);
734 return push_instr_double(ctx, OP_double, literal->u.dval);
736 return push_instr(ctx, OP_null) ? S_OK : E_OUTOFMEMORY;
738 return push_instr_str(ctx, OP_str, literal->u.wstr);
743 str = compiler_alloc(ctx->code, (literal->u.regexp.str_len+1)*sizeof(WCHAR));
745 return E_OUTOFMEMORY;
746 memcpy(str, literal->u.regexp.str, literal->u.regexp.str_len*sizeof(WCHAR));
747 str[literal->u.regexp.str_len] = 0;
749 instr = push_instr(ctx, OP_regexp);
751 return E_OUTOFMEMORY;
753 instr_ptr(ctx, instr)->u.arg[0].str = str;
754 instr_ptr(ctx, instr)->u.arg[1].uint = literal->u.regexp.flags;
763 static HRESULT literal_as_bstr(compiler_ctx_t *ctx, literal_t *literal, BSTR *str)
765 switch(literal->type) {
767 *str = compiler_alloc_bstr(ctx, literal->u.wstr);
770 return double_to_bstr(literal->u.dval, str);
775 return *str ? S_OK : E_OUTOFMEMORY;
778 static HRESULT compile_array_literal(compiler_ctx_t *ctx, array_literal_expression_t *expr)
780 unsigned i, elem_cnt = expr->length;
781 array_element_t *iter;
784 for(iter = expr->element_list; iter; iter = iter->next) {
785 elem_cnt += iter->elision+1;
787 for(i=0; i < iter->elision; i++) {
788 if(!push_instr(ctx, OP_undefined))
789 return E_OUTOFMEMORY;
792 hres = compile_expression(ctx, iter->expr);
797 for(i=0; i < expr->length; i++) {
798 if(!push_instr(ctx, OP_undefined))
799 return E_OUTOFMEMORY;
802 return push_instr_uint(ctx, OP_carray, elem_cnt);
805 static HRESULT compile_object_literal(compiler_ctx_t *ctx, property_value_expression_t *expr)
812 if(!push_instr(ctx, OP_new_obj))
813 return E_OUTOFMEMORY;
815 for(iter = expr->property_list; iter; iter = iter->next) {
816 hres = literal_as_bstr(ctx, iter->name, &name);
820 hres = compile_expression(ctx, iter->value);
824 instr = push_instr(ctx, OP_obj_prop);
826 return E_OUTOFMEMORY;
828 instr_ptr(ctx, instr)->u.arg->bstr = name;
834 static HRESULT compile_function_expression(compiler_ctx_t *ctx, function_expression_t *expr)
836 ctx->func_tail = ctx->func_tail ? (ctx->func_tail->next = expr) : (ctx->func_head = expr);
838 /* FIXME: not exactly right */
839 if(expr->identifier) {
840 ctx->func->func_cnt++;
841 return push_instr_bstr(ctx, OP_ident, expr->identifier);
844 return push_instr_uint(ctx, OP_func, ctx->func->func_cnt++);
847 static HRESULT compile_expression_noret(compiler_ctx_t *ctx, expression_t *expr, BOOL *no_ret)
851 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_add);
853 return compile_logical_expression(ctx, (binary_expression_t*)expr, OP_cnd_z);
855 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_array);
857 return compile_array_literal(ctx, (array_literal_expression_t*)expr);
859 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_LAST);
861 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_add);
863 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_and);
865 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_sub);
867 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_mul);
869 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_div);
871 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_mod);
873 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_or);
874 case EXPR_ASSIGNLSHIFT:
875 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_lshift);
876 case EXPR_ASSIGNRSHIFT:
877 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_rshift);
878 case EXPR_ASSIGNRRSHIFT:
879 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_rshift2);
881 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_xor);
883 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_and);
885 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_bneg);
887 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_or);
889 return compile_call_expression(ctx, (call_expression_t*)expr, no_ret);
891 return compile_comma_expression(ctx, (binary_expression_t*)expr);
893 return compile_conditional_expression(ctx, (conditional_expression_t*)expr);
895 return compile_delete_expression(ctx, (unary_expression_t*)expr);
897 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_div);
899 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_eq);
901 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_eq2);
903 return compile_function_expression(ctx, (function_expression_t*)expr);
905 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gt);
907 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gteq);
909 return push_instr_bstr(ctx, OP_ident, ((identifier_expression_t*)expr)->identifier);
911 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_in);
912 case EXPR_INSTANCEOF:
913 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_instanceof);
915 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lt);
917 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lteq);
919 return compile_literal(ctx, ((literal_expression_t*)expr)->literal);
921 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_neg);
923 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lshift);
925 return compile_member_expression(ctx, (member_expression_t*)expr);
927 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_minus);
929 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mod);
931 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mul);
933 return compile_new_expression(ctx, (call_expression_t*)expr);
935 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_neq);
937 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_neq2);
939 return compile_logical_expression(ctx, (binary_expression_t*)expr, OP_cnd_nz);
941 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_tonum);
943 return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_postinc, -1);
945 return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_postinc, 1);
947 return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_preinc, -1);
949 return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_preinc, 1);
951 return compile_object_literal(ctx, (property_value_expression_t*)expr);
953 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_rshift);
955 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_rshift2);
957 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_sub);
959 return push_instr(ctx, OP_this) ? S_OK : E_OUTOFMEMORY;
961 return compile_typeof_expression(ctx, (unary_expression_t*)expr);
963 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_void);
965 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_xor);
973 static HRESULT compile_expression(compiler_ctx_t *ctx, expression_t *expr)
975 return compile_expression_noret(ctx, expr, NULL);
978 static inline BOOL is_loop_statement(statement_type_t type)
980 return type == STAT_FOR || type == STAT_FORIN || type == STAT_WHILE;
983 /* ECMA-262 3rd Edition 12.1 */
984 static HRESULT compile_block_statement(compiler_ctx_t *ctx, statement_t *iter)
988 /* FIXME: do it only if needed */
990 return push_instr(ctx, OP_undefined) ? S_OK : E_OUTOFMEMORY;
993 hres = compile_statement(ctx, NULL, iter);
1001 if(!push_instr(ctx, OP_pop))
1002 return E_OUTOFMEMORY;
1008 /* ECMA-262 3rd Edition 12.2 */
1009 static HRESULT compile_variable_list(compiler_ctx_t *ctx, variable_declaration_t *list)
1011 variable_declaration_t *iter;
1014 assert(list != NULL);
1017 ctx->var_tail->global_next = list;
1019 ctx->var_head = list;
1021 for(iter = list; iter; iter = iter->next) {
1022 ctx->func->var_cnt++;
1023 iter->global_next = iter->next;
1025 ctx->var_tail = iter;
1030 hres = compile_expression(ctx, iter->expr);
1034 hres = push_instr_bstr(ctx, OP_var_set, iter->identifier);
1042 /* ECMA-262 3rd Edition 12.2 */
1043 static HRESULT compile_var_statement(compiler_ctx_t *ctx, var_statement_t *stat)
1047 hres = compile_variable_list(ctx, stat->variable_list);
1051 return push_instr(ctx, OP_undefined) ? S_OK : E_OUTOFMEMORY;
1054 /* ECMA-262 3rd Edition 12.4 */
1055 static HRESULT compile_expression_statement(compiler_ctx_t *ctx, expression_statement_t *stat)
1057 BOOL no_ret = FALSE;
1060 hres = compile_expression_noret(ctx, stat->expr, &no_ret);
1064 /* FIXME: that's a big potential optimization */
1065 if(no_ret && !push_instr(ctx, OP_undefined))
1066 return E_OUTOFMEMORY;
1071 /* ECMA-262 3rd Edition 12.5 */
1072 static HRESULT compile_if_statement(compiler_ctx_t *ctx, if_statement_t *stat)
1074 unsigned jmp_else, jmp_end;
1077 hres = compile_expression(ctx, stat->expr);
1081 jmp_else = push_instr(ctx, OP_jmp_z);
1083 return E_OUTOFMEMORY;
1085 hres = compile_statement(ctx, NULL, stat->if_stat);
1089 jmp_end = push_instr(ctx, OP_jmp);
1091 return E_OUTOFMEMORY;
1093 set_arg_uint(ctx, jmp_else, ctx->code_off);
1095 if(stat->else_stat) {
1096 hres = compile_statement(ctx, NULL, stat->else_stat);
1100 /* FIXME: We could sometimes avoid it */
1101 if(!push_instr(ctx, OP_undefined))
1102 return E_OUTOFMEMORY;
1105 set_arg_uint(ctx, jmp_end, ctx->code_off);
1109 /* ECMA-262 3rd Edition 12.6.2 */
1110 static HRESULT compile_while_statement(compiler_ctx_t *ctx, while_statement_t *stat)
1112 statement_ctx_t stat_ctx = {0, FALSE, FALSE};
1116 stat_ctx.break_label = alloc_label(ctx);
1117 if(!stat_ctx.break_label)
1118 return E_OUTOFMEMORY;
1120 stat_ctx.continue_label = alloc_label(ctx);
1121 if(!stat_ctx.continue_label)
1122 return E_OUTOFMEMORY;
1124 if(!stat->do_while) {
1126 if(!push_instr(ctx, OP_undefined))
1127 return E_OUTOFMEMORY;
1129 jmp_off = ctx->code_off;
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;
1142 jmp_off = ctx->code_off;
1145 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1149 if(stat->do_while) {
1150 label_set_addr(ctx, stat_ctx.continue_label);
1151 hres = compile_expression(ctx, stat->expr);
1155 hres = push_instr_uint(ctx, OP_jmp_z, stat_ctx.break_label);
1159 if(!push_instr(ctx, OP_pop))
1160 return E_OUTOFMEMORY;
1163 hres = push_instr_uint(ctx, OP_jmp, jmp_off);
1167 label_set_addr(ctx, stat_ctx.break_label);
1171 /* ECMA-262 3rd Edition 12.6.3 */
1172 static HRESULT compile_for_statement(compiler_ctx_t *ctx, for_statement_t *stat)
1174 statement_ctx_t stat_ctx = {0, FALSE, FALSE};
1178 if(stat->variable_list) {
1179 hres = compile_variable_list(ctx, stat->variable_list);
1182 }else if(stat->begin_expr) {
1183 BOOL no_ret = FALSE;
1185 hres = compile_expression_noret(ctx, stat->begin_expr, &no_ret);
1188 if(!no_ret && !push_instr(ctx, OP_pop))
1189 return E_OUTOFMEMORY;
1192 stat_ctx.break_label = alloc_label(ctx);
1193 if(!stat_ctx.break_label)
1194 return E_OUTOFMEMORY;
1196 stat_ctx.continue_label = alloc_label(ctx);
1197 if(!stat_ctx.continue_label)
1198 return E_OUTOFMEMORY;
1201 if(!push_instr(ctx, OP_undefined))
1202 return E_OUTOFMEMORY;
1204 expr_off = ctx->code_off;
1207 hres = compile_expression(ctx, stat->expr);
1211 hres = push_instr_uint(ctx, OP_jmp_z, stat_ctx.break_label);
1216 if(!push_instr(ctx, OP_pop))
1217 return E_OUTOFMEMORY;
1219 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1223 label_set_addr(ctx, stat_ctx.continue_label);
1225 if(stat->end_expr) {
1226 BOOL no_ret = FALSE;
1228 hres = compile_expression_noret(ctx, stat->end_expr, &no_ret);
1232 if(!no_ret && !push_instr(ctx, OP_pop))
1233 return E_OUTOFMEMORY;
1236 hres = push_instr_uint(ctx, OP_jmp, expr_off);
1240 label_set_addr(ctx, stat_ctx.break_label);
1244 /* ECMA-262 3rd Edition 12.6.4 */
1245 static HRESULT compile_forin_statement(compiler_ctx_t *ctx, forin_statement_t *stat)
1247 statement_ctx_t stat_ctx = {4, FALSE, FALSE};
1250 if(stat->variable) {
1251 hres = compile_variable_list(ctx, stat->variable);
1256 stat_ctx.break_label = alloc_label(ctx);
1257 if(!stat_ctx.break_label)
1258 return E_OUTOFMEMORY;
1260 stat_ctx.continue_label = alloc_label(ctx);
1261 if(!stat_ctx.continue_label)
1262 return E_OUTOFMEMORY;
1264 hres = compile_expression(ctx, stat->in_expr);
1268 if(stat->variable) {
1269 hres = push_instr_bstr_uint(ctx, OP_identid, stat->variable->identifier, fdexNameEnsure);
1272 }else if(is_memberid_expr(stat->expr->type)) {
1273 hres = compile_memberid_expression(ctx, stat->expr, fdexNameEnsure);
1277 hres = push_instr_uint(ctx, OP_throw_ref, JS_E_ILLEGAL_ASSIGN);
1281 /* FIXME: compile statement anyways when we depend on compiler to check errors */
1285 hres = push_instr_int(ctx, OP_int, DISPID_STARTENUM);
1290 if(!push_instr(ctx, OP_undefined))
1291 return E_OUTOFMEMORY;
1293 label_set_addr(ctx, stat_ctx.continue_label);
1294 hres = push_instr_uint(ctx, OP_forin, stat_ctx.break_label);
1296 return E_OUTOFMEMORY;
1298 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1302 hres = push_instr_uint(ctx, OP_jmp, stat_ctx.continue_label);
1306 label_set_addr(ctx, stat_ctx.break_label);
1310 static HRESULT pop_to_stat(compiler_ctx_t *ctx, BOOL var_stack, BOOL scope_stack, statement_ctx_t *stat_ctx)
1312 unsigned stack_pop = 0;
1313 statement_ctx_t *iter;
1315 for(iter = ctx->stat_ctx; iter != stat_ctx; iter = iter->next) {
1317 if(iter->using_scope && !push_instr(ctx, OP_pop_scope))
1318 return E_OUTOFMEMORY;
1319 if(iter->using_except && !push_instr(ctx, OP_pop_except))
1320 return E_OUTOFMEMORY;
1322 stack_pop += iter->stack_use;
1326 /* FIXME: optimize */
1327 while(stack_pop--) {
1328 if(!push_instr(ctx, OP_pop))
1329 return E_OUTOFMEMORY;
1337 /* ECMA-262 3rd Edition 12.7 */
1338 static HRESULT compile_continue_statement(compiler_ctx_t *ctx, branch_statement_t *stat)
1340 statement_ctx_t *pop_ctx;
1343 if(stat->identifier) {
1344 statement_t *label_stat;
1345 statement_ctx_t *iter;
1349 for(iter = ctx->stat_ctx; iter; iter = iter->next) {
1350 if(iter->continue_label)
1352 if(iter->labelled_stat && !strcmpW(iter->labelled_stat->identifier, stat->identifier))
1357 WARN("Label not found\n");
1358 return JS_E_LABEL_NOT_FOUND;
1361 /* Labelled continue are allowed only on loops */
1362 for(label_stat = iter->labelled_stat->statement;
1363 label_stat->type == STAT_LABEL;
1364 label_stat = ((labelled_statement_t*)label_stat)->statement);
1365 if(!is_loop_statement(label_stat->type)) {
1366 WARN("Label is not a loop\n");
1367 return JS_E_INVALID_CONTINUE;
1370 for(pop_ctx = ctx->stat_ctx; pop_ctx; pop_ctx = pop_ctx->next) {
1371 if(pop_ctx->continue_label)
1376 WARN("continue outside loop\n");
1377 return JS_E_INVALID_CONTINUE;
1381 hres = pop_to_stat(ctx, TRUE, TRUE, pop_ctx);
1385 if(!push_instr(ctx, OP_undefined))
1386 return E_OUTOFMEMORY;
1388 return push_instr_uint(ctx, OP_jmp, pop_ctx->continue_label);
1391 /* ECMA-262 3rd Edition 12.8 */
1392 static HRESULT compile_break_statement(compiler_ctx_t *ctx, branch_statement_t *stat)
1394 statement_ctx_t *pop_ctx;
1397 if(stat->identifier) {
1398 for(pop_ctx = ctx->stat_ctx; pop_ctx; pop_ctx = pop_ctx->next) {
1399 if(pop_ctx->labelled_stat && !strcmpW(pop_ctx->labelled_stat->identifier, stat->identifier)) {
1400 assert(pop_ctx->break_label);
1406 WARN("Label not found\n");
1407 return JS_E_LABEL_NOT_FOUND;
1410 for(pop_ctx = ctx->stat_ctx; pop_ctx; pop_ctx = pop_ctx->next) {
1411 if(pop_ctx->break_label && !pop_ctx->labelled_stat)
1416 WARN("Break outside loop\n");
1417 return JS_E_INVALID_BREAK;
1421 hres = pop_to_stat(ctx, TRUE, TRUE, pop_ctx->next);
1425 if(!push_instr(ctx, OP_undefined))
1426 return E_OUTOFMEMORY;
1428 return push_instr_uint(ctx, OP_jmp, pop_ctx->break_label);
1431 /* ECMA-262 3rd Edition 12.9 */
1432 static HRESULT compile_return_statement(compiler_ctx_t *ctx, expression_statement_t *stat)
1436 hres = pop_to_stat(ctx, TRUE, FALSE, NULL);
1441 hres = compile_expression(ctx, stat->expr);
1446 hres = pop_to_stat(ctx, FALSE, TRUE, NULL);
1450 return push_instr(ctx, OP_ret) ? S_OK : E_OUTOFMEMORY;
1453 /* ECMA-262 3rd Edition 12.10 */
1454 static HRESULT compile_with_statement(compiler_ctx_t *ctx, with_statement_t *stat)
1456 statement_ctx_t stat_ctx = {0, TRUE, FALSE};
1459 hres = compile_expression(ctx, stat->expr);
1463 if(!push_instr(ctx, OP_push_scope))
1464 return E_OUTOFMEMORY;
1466 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1470 if(!push_instr(ctx, OP_pop_scope))
1471 return E_OUTOFMEMORY;
1476 /* ECMA-262 3rd Edition 12.10 */
1477 static HRESULT compile_labelled_statement(compiler_ctx_t *ctx, labelled_statement_t *stat)
1479 statement_ctx_t stat_ctx = {0, FALSE, FALSE, 0, 0, stat}, *iter;
1482 for(iter = ctx->stat_ctx; iter; iter = iter->next) {
1483 if(iter->labelled_stat && !strcmpW(iter->labelled_stat->identifier, stat->identifier)) {
1484 WARN("Label %s redefined\n", debugstr_w(stat->identifier));
1485 return JS_E_LABEL_REDEFINED;
1489 /* Labelled breaks are allowed for any labelled statements, not only loops (violating spec) */
1490 stat_ctx.break_label = alloc_label(ctx);
1491 if(!stat_ctx.break_label)
1492 return E_OUTOFMEMORY;
1494 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1498 label_set_addr(ctx, stat_ctx.break_label);
1502 /* ECMA-262 3rd Edition 12.13 */
1503 static HRESULT compile_switch_statement(compiler_ctx_t *ctx, switch_statement_t *stat)
1505 statement_ctx_t stat_ctx = {0, FALSE, FALSE};
1506 unsigned case_cnt = 0, *case_jmps, i, default_jmp;
1507 BOOL have_default = FALSE;
1508 statement_t *stat_iter;
1509 case_clausule_t *iter;
1512 hres = compile_expression(ctx, stat->expr);
1516 stat_ctx.break_label = alloc_label(ctx);
1517 if(!stat_ctx.break_label)
1518 return E_OUTOFMEMORY;
1520 for(iter = stat->case_list; iter; iter = iter->next) {
1525 case_jmps = heap_alloc(case_cnt * sizeof(*case_jmps));
1527 return E_OUTOFMEMORY;
1530 for(iter = stat->case_list; iter; iter = iter->next) {
1532 have_default = TRUE;
1536 hres = compile_expression(ctx, iter->expr);
1540 case_jmps[i] = push_instr(ctx, OP_case);
1542 hres = E_OUTOFMEMORY;
1548 if(SUCCEEDED(hres)) {
1549 if(push_instr(ctx, OP_pop)) {
1550 default_jmp = push_instr(ctx, OP_jmp);
1552 hres = E_OUTOFMEMORY;
1554 hres = E_OUTOFMEMORY;
1559 heap_free(case_jmps);
1564 for(iter = stat->case_list; iter; iter = iter->next) {
1565 while(iter->next && iter->next->stat == iter->stat) {
1566 set_arg_uint(ctx, iter->expr ? case_jmps[i++] : default_jmp, ctx->code_off);
1570 set_arg_uint(ctx, iter->expr ? case_jmps[i++] : default_jmp, ctx->code_off);
1573 for(stat_iter = iter->stat; stat_iter && (!iter->next || iter->next->stat != stat_iter);
1574 stat_iter = stat_iter->next) {
1575 hres = compile_statement(ctx, &stat_ctx, stat_iter);
1579 if(stat_iter->next && !push_instr(ctx, OP_pop)) {
1580 hres = E_OUTOFMEMORY;
1587 if(!push_instr(ctx, OP_undefined)) {
1588 hres = E_OUTOFMEMORY;
1594 heap_free(case_jmps);
1597 assert(i == case_cnt);
1600 hres = push_instr_uint(ctx, OP_jmp, stat_ctx.break_label);
1603 set_arg_uint(ctx, default_jmp, ctx->code_off);
1604 if(!push_instr(ctx, OP_undefined))
1605 return E_OUTOFMEMORY;
1608 label_set_addr(ctx, stat_ctx.break_label);
1612 /* ECMA-262 3rd Edition 12.13 */
1613 static HRESULT compile_throw_statement(compiler_ctx_t *ctx, expression_statement_t *stat)
1617 hres = compile_expression(ctx, stat->expr);
1621 return push_instr(ctx, OP_throw) ? S_OK : E_OUTOFMEMORY;
1624 /* ECMA-262 3rd Edition 12.14 */
1625 static HRESULT compile_try_statement(compiler_ctx_t *ctx, try_statement_t *stat)
1627 statement_ctx_t try_ctx = {0, FALSE, TRUE}, catch_ctx = {0, TRUE, FALSE};
1628 statement_ctx_t finally_ctx = {2, FALSE, FALSE};
1629 unsigned push_except;
1633 push_except = push_instr(ctx, OP_push_except);
1635 return E_OUTOFMEMORY;
1637 if(stat->catch_block) {
1638 ident = compiler_alloc_bstr(ctx, stat->catch_block->identifier);
1640 return E_OUTOFMEMORY;
1645 instr_ptr(ctx, push_except)->u.arg[1].bstr = ident;
1647 if(!stat->catch_block)
1648 try_ctx.stack_use = 2;
1650 hres = compile_statement(ctx, &try_ctx, stat->try_statement);
1654 if(!push_instr(ctx, OP_pop_except))
1655 return E_OUTOFMEMORY;
1657 if(stat->catch_block) {
1658 unsigned jmp_finally;
1660 jmp_finally = push_instr(ctx, OP_jmp);
1662 return E_OUTOFMEMORY;
1664 instr_ptr(ctx, push_except)->u.arg[0].uint = ctx->code_off;
1666 hres = compile_statement(ctx, &catch_ctx, stat->catch_block->statement);
1670 if(!push_instr(ctx, OP_pop_scope))
1671 return E_OUTOFMEMORY;
1673 set_arg_uint(ctx, jmp_finally, ctx->code_off);
1675 set_arg_uint(ctx, push_except, ctx->code_off);
1678 if(stat->finally_statement) {
1680 if(!push_instr(ctx, OP_pop))
1681 return E_OUTOFMEMORY;
1683 hres = compile_statement(ctx, stat->catch_block ? NULL : &finally_ctx, stat->finally_statement);
1687 if(!stat->catch_block && !push_instr(ctx, OP_end_finally))
1688 return E_OUTOFMEMORY;
1694 static HRESULT compile_statement(compiler_ctx_t *ctx, statement_ctx_t *stat_ctx, statement_t *stat)
1699 stat_ctx->next = ctx->stat_ctx;
1700 ctx->stat_ctx = stat_ctx;
1703 switch(stat->type) {
1705 hres = compile_block_statement(ctx, ((block_statement_t*)stat)->stat_list);
1708 hres = compile_break_statement(ctx, (branch_statement_t*)stat);
1711 hres = compile_continue_statement(ctx, (branch_statement_t*)stat);
1714 hres = push_instr(ctx, OP_undefined) ? S_OK : E_OUTOFMEMORY; /* FIXME */
1717 hres = compile_expression_statement(ctx, (expression_statement_t*)stat);
1720 hres = compile_for_statement(ctx, (for_statement_t*)stat);
1723 hres = compile_forin_statement(ctx, (forin_statement_t*)stat);
1726 hres = compile_if_statement(ctx, (if_statement_t*)stat);
1729 hres = compile_labelled_statement(ctx, (labelled_statement_t*)stat);
1732 hres = compile_return_statement(ctx, (expression_statement_t*)stat);
1735 hres = compile_switch_statement(ctx, (switch_statement_t*)stat);
1738 hres = compile_throw_statement(ctx, (expression_statement_t*)stat);
1741 hres = compile_try_statement(ctx, (try_statement_t*)stat);
1744 hres = compile_var_statement(ctx, (var_statement_t*)stat);
1747 hres = compile_while_statement(ctx, (while_statement_t*)stat);
1750 hres = compile_with_statement(ctx, (with_statement_t*)stat);
1758 assert(ctx->stat_ctx == stat_ctx);
1759 ctx->stat_ctx = stat_ctx->next;
1765 static void resolve_labels(compiler_ctx_t *ctx, unsigned off)
1769 for(instr = ctx->code->instrs+off; instr < ctx->code->instrs+ctx->code_off; instr++) {
1770 if(instr_info[instr->op].arg1_type == ARG_ADDR && (instr->u.arg->uint & LABEL_FLAG)) {
1771 assert((instr->u.arg->uint & ~LABEL_FLAG) < ctx->labels_cnt);
1772 instr->u.arg->uint = ctx->labels[instr->u.arg->uint & ~LABEL_FLAG];
1774 assert(instr_info[instr->op].arg2_type != ARG_ADDR);
1777 ctx->labels_cnt = 0;
1780 void release_bytecode(bytecode_t *code)
1787 for(i=0; i < code->bstr_cnt; i++)
1788 SysFreeString(code->bstr_pool[i]);
1790 heap_free(code->source);
1791 jsheap_free(&code->heap);
1792 heap_free(code->bstr_pool);
1793 heap_free(code->instrs);
1797 static HRESULT init_code(compiler_ctx_t *compiler, const WCHAR *source)
1799 compiler->code = heap_alloc_zero(sizeof(bytecode_t));
1801 return E_OUTOFMEMORY;
1803 compiler->code->ref = 1;
1804 jsheap_init(&compiler->code->heap);
1806 compiler->code->source = heap_strdupW(source);
1807 if(!compiler->code->source) {
1808 release_bytecode(compiler->code);
1809 return E_OUTOFMEMORY;
1812 compiler->code->instrs = heap_alloc(64 * sizeof(instr_t));
1813 if(!compiler->code->instrs) {
1814 release_bytecode(compiler->code);
1815 return E_OUTOFMEMORY;
1818 compiler->code_size = 64;
1819 compiler->code_off = 1;
1823 static HRESULT compile_function(compiler_ctx_t *ctx, source_elements_t *source, function_expression_t *func_expr,
1824 BOOL from_eval, function_code_t *func)
1826 variable_declaration_t *var_iter;
1827 function_expression_t *iter;
1833 ctx->var_head = ctx->var_tail = NULL;
1834 ctx->func_head = ctx->func_tail = NULL;
1836 off = ctx->code_off;
1838 hres = compile_block_statement(ctx, source->statement);
1842 resolve_labels(ctx, off);
1844 if(!from_eval && !push_instr(ctx, OP_pop))
1845 return E_OUTOFMEMORY;
1846 if(!push_instr(ctx, OP_ret))
1847 return E_OUTOFMEMORY;
1849 if(TRACE_ON(jscript_disas))
1850 dump_code(ctx, off);
1852 func->instr_off = off;
1854 if(func_expr && func_expr->identifier) {
1855 func->name = compiler_alloc_bstr(ctx, func_expr->identifier);
1857 return E_OUTOFMEMORY;
1861 parameter_t *param_iter;
1863 func->source = func_expr->src_str;
1864 func->source_len = func_expr->src_len;
1866 for(param_iter = func_expr->parameter_list; param_iter; param_iter = param_iter->next)
1869 func->params = compiler_alloc(ctx->code, func->param_cnt * sizeof(*func->params));
1871 return E_OUTOFMEMORY;
1873 for(param_iter = func_expr->parameter_list, i=0; param_iter; param_iter = param_iter->next, i++) {
1874 func->params[i] = compiler_alloc_bstr(ctx, param_iter->identifier);
1875 if(!func->params[i])
1876 return E_OUTOFMEMORY;
1880 func->variables = compiler_alloc(ctx->code, func->var_cnt * sizeof(*func->variables));
1881 if(!func->variables)
1882 return E_OUTOFMEMORY;
1884 for(var_iter = ctx->var_head, i=0; var_iter; var_iter = var_iter->global_next, i++) {
1885 func->variables[i] = compiler_alloc_bstr(ctx, var_iter->identifier);
1886 if(!func->variables[i])
1887 return E_OUTOFMEMORY;
1890 assert(i == func->var_cnt);
1892 func->funcs = compiler_alloc(ctx->code, func->func_cnt * sizeof(*func->funcs));
1894 return E_OUTOFMEMORY;
1895 memset(func->funcs, 0, func->func_cnt * sizeof(*func->funcs));
1897 for(iter = ctx->func_head, i=0; iter; iter = iter->next, i++) {
1898 hres = compile_function(ctx, iter->source_elements, iter, FALSE, func->funcs+i);
1903 assert(i == func->func_cnt);
1908 static HRESULT parse_arguments(compiler_ctx_t *ctx, const WCHAR *args, BSTR *arg_array, unsigned *args_size)
1910 const WCHAR *ptr = args, *ptr2;
1911 unsigned arg_cnt = 0;
1913 while(isspaceW(*ptr))
1922 if(!isalphaW(*ptr) && *ptr != '_') {
1923 FIXME("expected alpha or '_': %s\n", debugstr_w(ptr));
1928 while(isalnumW(*ptr) || *ptr == '_')
1931 if(*ptr && *ptr != ',' && !isspaceW(*ptr)) {
1932 FIXME("unexpected har %s\n", debugstr_w(ptr));
1937 arg_array[arg_cnt] = compiler_alloc_bstr_len(ctx, ptr2, ptr-ptr2);
1938 if(!arg_array[arg_cnt])
1939 return E_OUTOFMEMORY;
1943 while(isspaceW(*ptr))
1948 FIXME("expected ',': %s\n", debugstr_w(ptr));
1953 while(isspaceW(*ptr))
1958 *args_size = arg_cnt;
1962 static HRESULT compile_arguments(compiler_ctx_t *ctx, const WCHAR *args)
1966 hres = parse_arguments(ctx, args, NULL, &ctx->code->global_code.param_cnt);
1970 ctx->code->global_code.params = compiler_alloc(ctx->code,
1971 ctx->code->global_code.param_cnt * sizeof(*ctx->code->global_code.params));
1972 if(!ctx->code->global_code.params)
1973 return E_OUTOFMEMORY;
1975 return parse_arguments(ctx, args, ctx->code->global_code.params, NULL);
1978 HRESULT compile_script(script_ctx_t *ctx, const WCHAR *code, const WCHAR *args, const WCHAR *delimiter,
1979 BOOL from_eval, BOOL use_decode, bytecode_t **ret)
1981 compiler_ctx_t compiler = {0};
1984 hres = init_code(&compiler, code);
1989 hres = compile_arguments(&compiler, args);
1995 hres = decode_source(compiler.code->source);
1997 WARN("Decoding failed\n");
2002 hres = script_parse(ctx, compiler.code->source, delimiter, from_eval, &compiler.parser);
2004 release_bytecode(compiler.code);
2008 hres = compile_function(&compiler, compiler.parser->source, NULL, from_eval, &compiler.code->global_code);
2009 parser_release(compiler.parser);
2011 release_bytecode(compiler.code);
2015 *ret = compiler.code;