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_jsstr(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 jsstr_t *compiler_alloc_string_len(compiler_ctx_t *ctx, const WCHAR *str, unsigned len)
126 if(!ctx->code->str_pool_size) {
127 ctx->code->str_pool = heap_alloc(8 * sizeof(jsstr_t*));
128 if(!ctx->code->str_pool)
130 ctx->code->str_pool_size = 8;
131 }else if(ctx->code->str_pool_size == ctx->code->str_cnt) {
134 new_pool = heap_realloc(ctx->code->str_pool, ctx->code->str_pool_size*2*sizeof(jsstr_t*));
138 ctx->code->str_pool = new_pool;
139 ctx->code->str_pool_size *= 2;
142 new_str = jsstr_alloc_len(str, len);
146 ctx->code->str_pool[ctx->code->str_cnt++] = new_str;
150 static jsstr_t *compiler_alloc_string(compiler_ctx_t *ctx, const WCHAR *str)
152 return compiler_alloc_string_len(ctx, str, strlenW(str));
155 static BOOL ensure_bstr_slot(compiler_ctx_t *ctx)
157 if(!ctx->code->bstr_pool_size) {
158 ctx->code->bstr_pool = heap_alloc(8 * sizeof(BSTR));
159 if(!ctx->code->bstr_pool)
161 ctx->code->bstr_pool_size = 8;
162 }else if(ctx->code->bstr_pool_size == ctx->code->bstr_cnt) {
165 new_pool = heap_realloc(ctx->code->bstr_pool, ctx->code->bstr_pool_size*2*sizeof(BSTR));
169 ctx->code->bstr_pool = new_pool;
170 ctx->code->bstr_pool_size *= 2;
176 static BSTR compiler_alloc_bstr(compiler_ctx_t *ctx, const WCHAR *str)
178 if(!ensure_bstr_slot(ctx))
181 ctx->code->bstr_pool[ctx->code->bstr_cnt] = SysAllocString(str);
182 if(!ctx->code->bstr_pool[ctx->code->bstr_cnt])
185 return ctx->code->bstr_pool[ctx->code->bstr_cnt++];
188 static BSTR compiler_alloc_bstr_len(compiler_ctx_t *ctx, const WCHAR *str, size_t len)
190 if(!ensure_bstr_slot(ctx))
193 ctx->code->bstr_pool[ctx->code->bstr_cnt] = SysAllocStringLen(str, len);
194 if(!ctx->code->bstr_pool[ctx->code->bstr_cnt])
197 return ctx->code->bstr_pool[ctx->code->bstr_cnt++];
200 static unsigned push_instr(compiler_ctx_t *ctx, jsop_t op)
202 assert(ctx->code_size >= ctx->code_off);
204 if(ctx->code_size == ctx->code_off) {
207 new_instrs = heap_realloc(ctx->code->instrs, ctx->code_size*2*sizeof(instr_t));
211 ctx->code->instrs = new_instrs;
215 ctx->code->instrs[ctx->code_off].op = op;
216 return ctx->code_off++;
219 static inline instr_t *instr_ptr(compiler_ctx_t *ctx, unsigned off)
221 assert(off < ctx->code_off);
222 return ctx->code->instrs + off;
225 static HRESULT push_instr_int(compiler_ctx_t *ctx, jsop_t op, LONG arg)
229 instr = push_instr(ctx, op);
231 return E_OUTOFMEMORY;
233 instr_ptr(ctx, instr)->u.arg->lng = arg;
237 static HRESULT push_instr_str(compiler_ctx_t *ctx, jsop_t op, const WCHAR *arg)
242 str = compiler_alloc_string(ctx, arg);
244 return E_OUTOFMEMORY;
246 instr = push_instr(ctx, op);
248 return E_OUTOFMEMORY;
250 instr_ptr(ctx, instr)->u.arg->str = str;
254 static HRESULT push_instr_bstr(compiler_ctx_t *ctx, jsop_t op, const WCHAR *arg)
259 str = compiler_alloc_bstr(ctx, arg);
261 return E_OUTOFMEMORY;
263 instr = push_instr(ctx, op);
265 return E_OUTOFMEMORY;
267 instr_ptr(ctx, instr)->u.arg->bstr = str;
271 static HRESULT push_instr_bstr_uint(compiler_ctx_t *ctx, jsop_t op, const WCHAR *arg1, unsigned arg2)
276 str = compiler_alloc_bstr(ctx, arg1);
278 return E_OUTOFMEMORY;
280 instr = push_instr(ctx, op);
282 return E_OUTOFMEMORY;
284 instr_ptr(ctx, instr)->u.arg[0].bstr = str;
285 instr_ptr(ctx, instr)->u.arg[1].uint = arg2;
289 static HRESULT push_instr_uint_str(compiler_ctx_t *ctx, jsop_t op, unsigned arg1, const WCHAR *arg2)
294 str = compiler_alloc_string(ctx, arg2);
296 return E_OUTOFMEMORY;
298 instr = push_instr(ctx, op);
300 return E_OUTOFMEMORY;
302 instr_ptr(ctx, instr)->u.arg[0].uint = arg1;
303 instr_ptr(ctx, instr)->u.arg[1].str = str;
307 static HRESULT push_instr_double(compiler_ctx_t *ctx, jsop_t op, double arg)
311 instr = push_instr(ctx, op);
313 return E_OUTOFMEMORY;
315 instr_ptr(ctx, instr)->u.dbl = arg;
319 static inline void set_arg_uint(compiler_ctx_t *ctx, unsigned instr, unsigned arg)
321 instr_ptr(ctx, instr)->u.arg->uint = arg;
324 static HRESULT push_instr_uint(compiler_ctx_t *ctx, jsop_t op, unsigned arg)
328 instr = push_instr(ctx, op);
330 return E_OUTOFMEMORY;
332 set_arg_uint(ctx, instr, arg);
336 static HRESULT compile_binary_expression(compiler_ctx_t *ctx, binary_expression_t *expr, jsop_t op)
340 hres = compile_expression(ctx, expr->expression1);
344 hres = compile_expression(ctx, expr->expression2);
348 return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY;
351 static HRESULT compile_unary_expression(compiler_ctx_t *ctx, unary_expression_t *expr, jsop_t op)
355 hres = compile_expression(ctx, expr->expression);
359 return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY;
362 /* ECMA-262 3rd Edition 11.2.1 */
363 static HRESULT compile_member_expression(compiler_ctx_t *ctx, member_expression_t *expr)
367 hres = compile_expression(ctx, expr->expression);
371 return push_instr_bstr(ctx, OP_member, expr->identifier);
374 #define LABEL_FLAG 0x80000000
376 static unsigned alloc_label(compiler_ctx_t *ctx)
378 if(!ctx->labels_size) {
379 ctx->labels = heap_alloc(8 * sizeof(*ctx->labels));
382 ctx->labels_size = 8;
383 }else if(ctx->labels_size == ctx->labels_cnt) {
384 unsigned *new_labels;
386 new_labels = heap_realloc(ctx->labels, 2*ctx->labels_size*sizeof(*ctx->labels));
390 ctx->labels = new_labels;
391 ctx->labels_size *= 2;
394 return ctx->labels_cnt++ | LABEL_FLAG;
397 static void label_set_addr(compiler_ctx_t *ctx, unsigned label)
399 assert(label & LABEL_FLAG);
400 ctx->labels[label & ~LABEL_FLAG] = ctx->code_off;
403 static inline BOOL is_memberid_expr(expression_type_t type)
405 return type == EXPR_IDENT || type == EXPR_MEMBER || type == EXPR_ARRAY;
408 static HRESULT compile_memberid_expression(compiler_ctx_t *ctx, expression_t *expr, unsigned flags)
414 identifier_expression_t *ident_expr = (identifier_expression_t*)expr;
416 hres = push_instr_bstr_uint(ctx, OP_identid, ident_expr->identifier, flags);
420 binary_expression_t *array_expr = (binary_expression_t*)expr;
422 hres = compile_expression(ctx, array_expr->expression1);
426 hres = compile_expression(ctx, array_expr->expression2);
430 hres = push_instr_uint(ctx, OP_memberid, flags);
434 member_expression_t *member_expr = (member_expression_t*)expr;
436 hres = compile_expression(ctx, member_expr->expression);
440 /* FIXME: Potential optimization */
441 hres = push_instr_str(ctx, OP_str, member_expr->identifier);
445 hres = push_instr_uint(ctx, OP_memberid, flags);
455 static HRESULT compile_increment_expression(compiler_ctx_t *ctx, unary_expression_t *expr, jsop_t op, int n)
459 if(!is_memberid_expr(expr->expression->type)) {
460 hres = compile_expression(ctx, expr->expression);
464 return push_instr_uint(ctx, OP_throw_ref, JS_E_ILLEGAL_ASSIGN);
467 hres = compile_memberid_expression(ctx, expr->expression, fdexNameEnsure);
471 return push_instr_int(ctx, op, n);
474 /* ECMA-262 3rd Edition 11.14 */
475 static HRESULT compile_comma_expression(compiler_ctx_t *ctx, binary_expression_t *expr)
479 hres = compile_expression(ctx, expr->expression1);
483 if(!push_instr(ctx, OP_pop))
484 return E_OUTOFMEMORY;
486 return compile_expression(ctx, expr->expression2);
489 /* ECMA-262 3rd Edition 11.11 */
490 static HRESULT compile_logical_expression(compiler_ctx_t *ctx, binary_expression_t *expr, jsop_t op)
495 hres = compile_expression(ctx, expr->expression1);
499 instr = push_instr(ctx, op);
501 return E_OUTOFMEMORY;
503 hres = compile_expression(ctx, expr->expression2);
507 set_arg_uint(ctx, instr, ctx->code_off);
511 /* ECMA-262 3rd Edition 11.12 */
512 static HRESULT compile_conditional_expression(compiler_ctx_t *ctx, conditional_expression_t *expr)
514 unsigned jmp_false, jmp_end;
517 hres = compile_expression(ctx, expr->expression);
521 jmp_false = push_instr(ctx, OP_cnd_z);
523 return E_OUTOFMEMORY;
525 hres = compile_expression(ctx, expr->true_expression);
529 jmp_end = push_instr(ctx, OP_jmp);
531 return E_OUTOFMEMORY;
533 set_arg_uint(ctx, jmp_false, ctx->code_off);
534 if(!push_instr(ctx, OP_pop))
535 return E_OUTOFMEMORY;
537 hres = compile_expression(ctx, expr->false_expression);
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);
555 for(arg = expr->argument_list; arg; arg = arg->next) {
556 hres = compile_expression(ctx, arg->expr);
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 *no_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);
584 for(arg = expr->argument_list; arg; arg = arg->next) {
585 hres = compile_expression(ctx, arg->expr);
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 = no_ret == NULL;
602 static HRESULT compile_delete_expression(compiler_ctx_t *ctx, unary_expression_t *expr)
606 switch(expr->expression->type) {
608 binary_expression_t *array_expr = (binary_expression_t*)expr->expression;
610 hres = compile_expression(ctx, array_expr->expression1);
614 hres = compile_expression(ctx, array_expr->expression2);
618 if(!push_instr(ctx, OP_delete))
619 return E_OUTOFMEMORY;
623 member_expression_t *member_expr = (member_expression_t*)expr->expression;
625 hres = compile_expression(ctx, member_expr->expression);
629 /* FIXME: Potential optimization */
630 hres = push_instr_str(ctx, OP_str, member_expr->identifier);
634 if(!push_instr(ctx, OP_delete))
635 return E_OUTOFMEMORY;
639 return push_instr_bstr(ctx, OP_delete_ident, ((identifier_expression_t*)expr->expression)->identifier);
641 const WCHAR fixmeW[] = {'F','I','X','M','E',0};
643 WARN("invalid delete, unimplemented exception message\n");
645 hres = compile_expression(ctx, expr->expression);
649 return push_instr_uint_str(ctx, OP_throw_type, JS_E_INVALID_DELETE, fixmeW);
656 static HRESULT compile_assign_expression(compiler_ctx_t *ctx, binary_expression_t *expr, jsop_t op)
658 BOOL use_throw_path = FALSE;
659 unsigned arg_cnt = 0;
662 if(expr->expression1->type == EXPR_CALL) {
663 call_expression_t *call_expr = (call_expression_t*)expr->expression1;
667 FIXME("op %d not supported on parametrized assign expressions\n", op);
671 if(is_memberid_expr(call_expr->expression->type) && call_expr->argument_list) {
672 hres = compile_memberid_expression(ctx, call_expr->expression, fdexNameEnsure);
676 for(arg = call_expr->argument_list; arg; arg = arg->next) {
677 hres = compile_expression(ctx, arg->expr);
683 use_throw_path = TRUE;
685 }else if(is_memberid_expr(expr->expression1->type)) {
686 hres = compile_memberid_expression(ctx, expr->expression1, fdexNameEnsure);
690 use_throw_path = TRUE;
694 /* Illegal assignment: evaluate and throw */
695 hres = compile_expression(ctx, expr->expression1);
699 hres = compile_expression(ctx, expr->expression2);
703 if(op != OP_LAST && !push_instr(ctx, op))
704 return E_OUTOFMEMORY;
706 return push_instr_uint(ctx, OP_throw_ref, JS_E_ILLEGAL_ASSIGN);
709 if(op != OP_LAST && !push_instr(ctx, OP_refval))
710 return E_OUTOFMEMORY;
712 hres = compile_expression(ctx, expr->expression2);
716 if(op != OP_LAST && !push_instr(ctx, op))
717 return E_OUTOFMEMORY;
720 return push_instr_uint(ctx, OP_assign_call, arg_cnt);
722 if(!push_instr(ctx, OP_assign))
723 return E_OUTOFMEMORY;
728 static HRESULT compile_typeof_expression(compiler_ctx_t *ctx, unary_expression_t *expr)
733 if(is_memberid_expr(expr->expression->type)) {
734 if(expr->expression->type == EXPR_IDENT)
735 return push_instr_bstr(ctx, OP_typeofident, ((identifier_expression_t*)expr->expression)->identifier);
738 hres = compile_memberid_expression(ctx, expr->expression, 0);
741 hres = compile_expression(ctx, expr->expression);
746 return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY;
749 static HRESULT compile_literal(compiler_ctx_t *ctx, literal_t *literal)
751 switch(literal->type) {
753 return push_instr_int(ctx, OP_bool, literal->u.bval);
755 return push_instr_double(ctx, OP_double, literal->u.dval);
757 return push_instr(ctx, OP_null) ? S_OK : E_OUTOFMEMORY;
759 return push_instr_str(ctx, OP_str, literal->u.wstr);
764 str = compiler_alloc_string_len(ctx, literal->u.regexp.str, literal->u.regexp.str_len);
766 return E_OUTOFMEMORY;
768 instr = push_instr(ctx, OP_regexp);
770 return E_OUTOFMEMORY;
772 instr_ptr(ctx, instr)->u.arg[0].str = str;
773 instr_ptr(ctx, instr)->u.arg[1].uint = literal->u.regexp.flags;
782 static HRESULT literal_as_bstr(compiler_ctx_t *ctx, literal_t *literal, BSTR *str)
784 switch(literal->type) {
786 *str = compiler_alloc_bstr(ctx, literal->u.wstr);
792 hres = double_to_string(literal->u.dval, &jsstr);
796 *str = SysAllocStringLen(jsstr->str, jsstr_length(jsstr));
797 jsstr_release(jsstr);
804 return *str ? S_OK : E_OUTOFMEMORY;
807 static HRESULT compile_array_literal(compiler_ctx_t *ctx, array_literal_expression_t *expr)
809 unsigned i, elem_cnt = expr->length;
810 array_element_t *iter;
813 for(iter = expr->element_list; iter; iter = iter->next) {
814 elem_cnt += iter->elision+1;
816 for(i=0; i < iter->elision; i++) {
817 if(!push_instr(ctx, OP_undefined))
818 return E_OUTOFMEMORY;
821 hres = compile_expression(ctx, iter->expr);
826 for(i=0; i < expr->length; i++) {
827 if(!push_instr(ctx, OP_undefined))
828 return E_OUTOFMEMORY;
831 return push_instr_uint(ctx, OP_carray, elem_cnt);
834 static HRESULT compile_object_literal(compiler_ctx_t *ctx, property_value_expression_t *expr)
841 if(!push_instr(ctx, OP_new_obj))
842 return E_OUTOFMEMORY;
844 for(iter = expr->property_list; iter; iter = iter->next) {
845 hres = literal_as_bstr(ctx, iter->name, &name);
849 hres = compile_expression(ctx, iter->value);
853 instr = push_instr(ctx, OP_obj_prop);
855 return E_OUTOFMEMORY;
857 instr_ptr(ctx, instr)->u.arg->bstr = name;
863 static HRESULT compile_function_expression(compiler_ctx_t *ctx, function_expression_t *expr)
865 ctx->func_tail = ctx->func_tail ? (ctx->func_tail->next = expr) : (ctx->func_head = expr);
867 /* FIXME: not exactly right */
868 if(expr->identifier) {
869 ctx->func->func_cnt++;
870 return push_instr_bstr(ctx, OP_ident, expr->identifier);
873 return push_instr_uint(ctx, OP_func, ctx->func->func_cnt++);
876 static HRESULT compile_expression_noret(compiler_ctx_t *ctx, expression_t *expr, BOOL *no_ret)
880 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_add);
882 return compile_logical_expression(ctx, (binary_expression_t*)expr, OP_cnd_z);
884 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_array);
886 return compile_array_literal(ctx, (array_literal_expression_t*)expr);
888 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_LAST);
890 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_add);
892 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_and);
894 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_sub);
896 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_mul);
898 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_div);
900 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_mod);
902 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_or);
903 case EXPR_ASSIGNLSHIFT:
904 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_lshift);
905 case EXPR_ASSIGNRSHIFT:
906 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_rshift);
907 case EXPR_ASSIGNRRSHIFT:
908 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_rshift2);
910 return compile_assign_expression(ctx, (binary_expression_t*)expr, OP_xor);
912 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_and);
914 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_bneg);
916 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_or);
918 return compile_call_expression(ctx, (call_expression_t*)expr, no_ret);
920 return compile_comma_expression(ctx, (binary_expression_t*)expr);
922 return compile_conditional_expression(ctx, (conditional_expression_t*)expr);
924 return compile_delete_expression(ctx, (unary_expression_t*)expr);
926 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_div);
928 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_eq);
930 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_eq2);
932 return compile_function_expression(ctx, (function_expression_t*)expr);
934 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gt);
936 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gteq);
938 return push_instr_bstr(ctx, OP_ident, ((identifier_expression_t*)expr)->identifier);
940 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_in);
941 case EXPR_INSTANCEOF:
942 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_instanceof);
944 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lt);
946 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lteq);
948 return compile_literal(ctx, ((literal_expression_t*)expr)->literal);
950 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_neg);
952 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lshift);
954 return compile_member_expression(ctx, (member_expression_t*)expr);
956 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_minus);
958 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mod);
960 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mul);
962 return compile_new_expression(ctx, (call_expression_t*)expr);
964 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_neq);
966 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_neq2);
968 return compile_logical_expression(ctx, (binary_expression_t*)expr, OP_cnd_nz);
970 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_tonum);
972 return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_postinc, -1);
974 return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_postinc, 1);
976 return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_preinc, -1);
978 return compile_increment_expression(ctx, (unary_expression_t*)expr, OP_preinc, 1);
980 return compile_object_literal(ctx, (property_value_expression_t*)expr);
982 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_rshift);
984 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_rshift2);
986 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_sub);
988 return push_instr(ctx, OP_this) ? S_OK : E_OUTOFMEMORY;
990 return compile_typeof_expression(ctx, (unary_expression_t*)expr);
992 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_void);
994 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_xor);
1002 static HRESULT compile_expression(compiler_ctx_t *ctx, expression_t *expr)
1004 return compile_expression_noret(ctx, expr, NULL);
1007 static inline BOOL is_loop_statement(statement_type_t type)
1009 return type == STAT_FOR || type == STAT_FORIN || type == STAT_WHILE;
1012 /* ECMA-262 3rd Edition 12.1 */
1013 static HRESULT compile_block_statement(compiler_ctx_t *ctx, statement_t *iter)
1017 /* FIXME: do it only if needed */
1019 return push_instr(ctx, OP_undefined) ? S_OK : E_OUTOFMEMORY;
1022 hres = compile_statement(ctx, NULL, iter);
1030 if(!push_instr(ctx, OP_pop))
1031 return E_OUTOFMEMORY;
1037 /* ECMA-262 3rd Edition 12.2 */
1038 static HRESULT compile_variable_list(compiler_ctx_t *ctx, variable_declaration_t *list)
1040 variable_declaration_t *iter;
1043 assert(list != NULL);
1046 ctx->var_tail->global_next = list;
1048 ctx->var_head = list;
1050 for(iter = list; iter; iter = iter->next) {
1051 ctx->func->var_cnt++;
1052 iter->global_next = iter->next;
1054 ctx->var_tail = iter;
1059 hres = compile_expression(ctx, iter->expr);
1063 hres = push_instr_bstr(ctx, OP_var_set, iter->identifier);
1071 /* ECMA-262 3rd Edition 12.2 */
1072 static HRESULT compile_var_statement(compiler_ctx_t *ctx, var_statement_t *stat)
1076 hres = compile_variable_list(ctx, stat->variable_list);
1080 return push_instr(ctx, OP_undefined) ? S_OK : E_OUTOFMEMORY;
1083 /* ECMA-262 3rd Edition 12.4 */
1084 static HRESULT compile_expression_statement(compiler_ctx_t *ctx, expression_statement_t *stat)
1086 BOOL no_ret = FALSE;
1089 hres = compile_expression_noret(ctx, stat->expr, &no_ret);
1093 /* FIXME: that's a big potential optimization */
1094 if(no_ret && !push_instr(ctx, OP_undefined))
1095 return E_OUTOFMEMORY;
1100 /* ECMA-262 3rd Edition 12.5 */
1101 static HRESULT compile_if_statement(compiler_ctx_t *ctx, if_statement_t *stat)
1103 unsigned jmp_else, jmp_end;
1106 hres = compile_expression(ctx, stat->expr);
1110 jmp_else = push_instr(ctx, OP_jmp_z);
1112 return E_OUTOFMEMORY;
1114 hres = compile_statement(ctx, NULL, stat->if_stat);
1118 jmp_end = push_instr(ctx, OP_jmp);
1120 return E_OUTOFMEMORY;
1122 set_arg_uint(ctx, jmp_else, ctx->code_off);
1124 if(stat->else_stat) {
1125 hres = compile_statement(ctx, NULL, stat->else_stat);
1129 /* FIXME: We could sometimes avoid it */
1130 if(!push_instr(ctx, OP_undefined))
1131 return E_OUTOFMEMORY;
1134 set_arg_uint(ctx, jmp_end, ctx->code_off);
1138 /* ECMA-262 3rd Edition 12.6.2 */
1139 static HRESULT compile_while_statement(compiler_ctx_t *ctx, while_statement_t *stat)
1141 statement_ctx_t stat_ctx = {0, FALSE, FALSE};
1145 stat_ctx.break_label = alloc_label(ctx);
1146 if(!stat_ctx.break_label)
1147 return E_OUTOFMEMORY;
1149 stat_ctx.continue_label = alloc_label(ctx);
1150 if(!stat_ctx.continue_label)
1151 return E_OUTOFMEMORY;
1153 if(!stat->do_while) {
1155 if(!push_instr(ctx, OP_undefined))
1156 return E_OUTOFMEMORY;
1158 jmp_off = ctx->code_off;
1159 label_set_addr(ctx, stat_ctx.continue_label);
1160 hres = compile_expression(ctx, stat->expr);
1164 hres = push_instr_uint(ctx, OP_jmp_z, stat_ctx.break_label);
1168 if(!push_instr(ctx, OP_pop))
1169 return E_OUTOFMEMORY;
1171 jmp_off = ctx->code_off;
1174 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1178 if(stat->do_while) {
1179 label_set_addr(ctx, stat_ctx.continue_label);
1180 hres = compile_expression(ctx, stat->expr);
1184 hres = push_instr_uint(ctx, OP_jmp_z, stat_ctx.break_label);
1188 if(!push_instr(ctx, OP_pop))
1189 return E_OUTOFMEMORY;
1192 hres = push_instr_uint(ctx, OP_jmp, jmp_off);
1196 label_set_addr(ctx, stat_ctx.break_label);
1200 /* ECMA-262 3rd Edition 12.6.3 */
1201 static HRESULT compile_for_statement(compiler_ctx_t *ctx, for_statement_t *stat)
1203 statement_ctx_t stat_ctx = {0, FALSE, FALSE};
1207 if(stat->variable_list) {
1208 hres = compile_variable_list(ctx, stat->variable_list);
1211 }else if(stat->begin_expr) {
1212 BOOL no_ret = FALSE;
1214 hres = compile_expression_noret(ctx, stat->begin_expr, &no_ret);
1217 if(!no_ret && !push_instr(ctx, OP_pop))
1218 return E_OUTOFMEMORY;
1221 stat_ctx.break_label = alloc_label(ctx);
1222 if(!stat_ctx.break_label)
1223 return E_OUTOFMEMORY;
1225 stat_ctx.continue_label = alloc_label(ctx);
1226 if(!stat_ctx.continue_label)
1227 return E_OUTOFMEMORY;
1230 if(!push_instr(ctx, OP_undefined))
1231 return E_OUTOFMEMORY;
1233 expr_off = ctx->code_off;
1236 hres = compile_expression(ctx, stat->expr);
1240 hres = push_instr_uint(ctx, OP_jmp_z, stat_ctx.break_label);
1245 if(!push_instr(ctx, OP_pop))
1246 return E_OUTOFMEMORY;
1248 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1252 label_set_addr(ctx, stat_ctx.continue_label);
1254 if(stat->end_expr) {
1255 BOOL no_ret = FALSE;
1257 hres = compile_expression_noret(ctx, stat->end_expr, &no_ret);
1261 if(!no_ret && !push_instr(ctx, OP_pop))
1262 return E_OUTOFMEMORY;
1265 hres = push_instr_uint(ctx, OP_jmp, expr_off);
1269 label_set_addr(ctx, stat_ctx.break_label);
1273 /* ECMA-262 3rd Edition 12.6.4 */
1274 static HRESULT compile_forin_statement(compiler_ctx_t *ctx, forin_statement_t *stat)
1276 statement_ctx_t stat_ctx = {4, FALSE, FALSE};
1279 if(stat->variable) {
1280 hres = compile_variable_list(ctx, stat->variable);
1285 stat_ctx.break_label = alloc_label(ctx);
1286 if(!stat_ctx.break_label)
1287 return E_OUTOFMEMORY;
1289 stat_ctx.continue_label = alloc_label(ctx);
1290 if(!stat_ctx.continue_label)
1291 return E_OUTOFMEMORY;
1293 hres = compile_expression(ctx, stat->in_expr);
1297 if(stat->variable) {
1298 hres = push_instr_bstr_uint(ctx, OP_identid, stat->variable->identifier, fdexNameEnsure);
1301 }else if(is_memberid_expr(stat->expr->type)) {
1302 hres = compile_memberid_expression(ctx, stat->expr, fdexNameEnsure);
1306 hres = push_instr_uint(ctx, OP_throw_ref, JS_E_ILLEGAL_ASSIGN);
1310 /* FIXME: compile statement anyways when we depend on compiler to check errors */
1314 hres = push_instr_int(ctx, OP_int, DISPID_STARTENUM);
1319 if(!push_instr(ctx, OP_undefined))
1320 return E_OUTOFMEMORY;
1322 label_set_addr(ctx, stat_ctx.continue_label);
1323 hres = push_instr_uint(ctx, OP_forin, stat_ctx.break_label);
1325 return E_OUTOFMEMORY;
1327 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1331 hres = push_instr_uint(ctx, OP_jmp, stat_ctx.continue_label);
1335 label_set_addr(ctx, stat_ctx.break_label);
1339 static HRESULT pop_to_stat(compiler_ctx_t *ctx, BOOL var_stack, BOOL scope_stack, statement_ctx_t *stat_ctx)
1341 unsigned stack_pop = 0;
1342 statement_ctx_t *iter;
1344 for(iter = ctx->stat_ctx; iter != stat_ctx; iter = iter->next) {
1346 if(iter->using_scope && !push_instr(ctx, OP_pop_scope))
1347 return E_OUTOFMEMORY;
1348 if(iter->using_except && !push_instr(ctx, OP_pop_except))
1349 return E_OUTOFMEMORY;
1351 stack_pop += iter->stack_use;
1355 /* FIXME: optimize */
1356 while(stack_pop--) {
1357 if(!push_instr(ctx, OP_pop))
1358 return E_OUTOFMEMORY;
1366 /* ECMA-262 3rd Edition 12.7 */
1367 static HRESULT compile_continue_statement(compiler_ctx_t *ctx, branch_statement_t *stat)
1369 statement_ctx_t *pop_ctx;
1372 if(stat->identifier) {
1373 statement_t *label_stat;
1374 statement_ctx_t *iter;
1378 for(iter = ctx->stat_ctx; iter; iter = iter->next) {
1379 if(iter->continue_label)
1381 if(iter->labelled_stat && !strcmpW(iter->labelled_stat->identifier, stat->identifier))
1386 WARN("Label not found\n");
1387 return JS_E_LABEL_NOT_FOUND;
1390 /* Labelled continue are allowed only on loops */
1391 for(label_stat = iter->labelled_stat->statement;
1392 label_stat->type == STAT_LABEL;
1393 label_stat = ((labelled_statement_t*)label_stat)->statement);
1394 if(!is_loop_statement(label_stat->type)) {
1395 WARN("Label is not a loop\n");
1396 return JS_E_INVALID_CONTINUE;
1399 for(pop_ctx = ctx->stat_ctx; pop_ctx; pop_ctx = pop_ctx->next) {
1400 if(pop_ctx->continue_label)
1405 WARN("continue outside loop\n");
1406 return JS_E_INVALID_CONTINUE;
1410 hres = pop_to_stat(ctx, TRUE, TRUE, pop_ctx);
1414 if(!push_instr(ctx, OP_undefined))
1415 return E_OUTOFMEMORY;
1417 return push_instr_uint(ctx, OP_jmp, pop_ctx->continue_label);
1420 /* ECMA-262 3rd Edition 12.8 */
1421 static HRESULT compile_break_statement(compiler_ctx_t *ctx, branch_statement_t *stat)
1423 statement_ctx_t *pop_ctx;
1426 if(stat->identifier) {
1427 for(pop_ctx = ctx->stat_ctx; pop_ctx; pop_ctx = pop_ctx->next) {
1428 if(pop_ctx->labelled_stat && !strcmpW(pop_ctx->labelled_stat->identifier, stat->identifier)) {
1429 assert(pop_ctx->break_label);
1435 WARN("Label not found\n");
1436 return JS_E_LABEL_NOT_FOUND;
1439 for(pop_ctx = ctx->stat_ctx; pop_ctx; pop_ctx = pop_ctx->next) {
1440 if(pop_ctx->break_label && !pop_ctx->labelled_stat)
1445 WARN("Break outside loop\n");
1446 return JS_E_INVALID_BREAK;
1450 hres = pop_to_stat(ctx, TRUE, TRUE, pop_ctx->next);
1454 if(!push_instr(ctx, OP_undefined))
1455 return E_OUTOFMEMORY;
1457 return push_instr_uint(ctx, OP_jmp, pop_ctx->break_label);
1460 /* ECMA-262 3rd Edition 12.9 */
1461 static HRESULT compile_return_statement(compiler_ctx_t *ctx, expression_statement_t *stat)
1465 hres = pop_to_stat(ctx, TRUE, FALSE, NULL);
1470 hres = compile_expression(ctx, stat->expr);
1475 hres = pop_to_stat(ctx, FALSE, TRUE, NULL);
1479 return push_instr(ctx, OP_ret) ? S_OK : E_OUTOFMEMORY;
1482 /* ECMA-262 3rd Edition 12.10 */
1483 static HRESULT compile_with_statement(compiler_ctx_t *ctx, with_statement_t *stat)
1485 statement_ctx_t stat_ctx = {0, TRUE, FALSE};
1488 hres = compile_expression(ctx, stat->expr);
1492 if(!push_instr(ctx, OP_push_scope))
1493 return E_OUTOFMEMORY;
1495 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1499 if(!push_instr(ctx, OP_pop_scope))
1500 return E_OUTOFMEMORY;
1505 /* ECMA-262 3rd Edition 12.10 */
1506 static HRESULT compile_labelled_statement(compiler_ctx_t *ctx, labelled_statement_t *stat)
1508 statement_ctx_t stat_ctx = {0, FALSE, FALSE, 0, 0, stat}, *iter;
1511 for(iter = ctx->stat_ctx; iter; iter = iter->next) {
1512 if(iter->labelled_stat && !strcmpW(iter->labelled_stat->identifier, stat->identifier)) {
1513 WARN("Label %s redefined\n", debugstr_w(stat->identifier));
1514 return JS_E_LABEL_REDEFINED;
1518 /* Labelled breaks are allowed for any labelled statements, not only loops (violating spec) */
1519 stat_ctx.break_label = alloc_label(ctx);
1520 if(!stat_ctx.break_label)
1521 return E_OUTOFMEMORY;
1523 hres = compile_statement(ctx, &stat_ctx, stat->statement);
1527 label_set_addr(ctx, stat_ctx.break_label);
1531 /* ECMA-262 3rd Edition 12.13 */
1532 static HRESULT compile_switch_statement(compiler_ctx_t *ctx, switch_statement_t *stat)
1534 statement_ctx_t stat_ctx = {0, FALSE, FALSE};
1535 unsigned case_cnt = 0, *case_jmps, i, default_jmp;
1536 BOOL have_default = FALSE;
1537 statement_t *stat_iter;
1538 case_clausule_t *iter;
1541 hres = compile_expression(ctx, stat->expr);
1545 stat_ctx.break_label = alloc_label(ctx);
1546 if(!stat_ctx.break_label)
1547 return E_OUTOFMEMORY;
1549 for(iter = stat->case_list; iter; iter = iter->next) {
1554 case_jmps = heap_alloc(case_cnt * sizeof(*case_jmps));
1556 return E_OUTOFMEMORY;
1559 for(iter = stat->case_list; iter; iter = iter->next) {
1561 have_default = TRUE;
1565 hres = compile_expression(ctx, iter->expr);
1569 case_jmps[i] = push_instr(ctx, OP_case);
1571 hres = E_OUTOFMEMORY;
1577 if(SUCCEEDED(hres)) {
1578 if(push_instr(ctx, OP_pop)) {
1579 default_jmp = push_instr(ctx, OP_jmp);
1581 hres = E_OUTOFMEMORY;
1583 hres = E_OUTOFMEMORY;
1588 heap_free(case_jmps);
1593 for(iter = stat->case_list; iter; iter = iter->next) {
1594 while(iter->next && iter->next->stat == iter->stat) {
1595 set_arg_uint(ctx, iter->expr ? case_jmps[i++] : default_jmp, ctx->code_off);
1599 set_arg_uint(ctx, iter->expr ? case_jmps[i++] : default_jmp, ctx->code_off);
1602 for(stat_iter = iter->stat; stat_iter && (!iter->next || iter->next->stat != stat_iter);
1603 stat_iter = stat_iter->next) {
1604 hres = compile_statement(ctx, &stat_ctx, stat_iter);
1608 if(stat_iter->next && !push_instr(ctx, OP_pop)) {
1609 hres = E_OUTOFMEMORY;
1616 if(!push_instr(ctx, OP_undefined)) {
1617 hres = E_OUTOFMEMORY;
1623 heap_free(case_jmps);
1626 assert(i == case_cnt);
1629 hres = push_instr_uint(ctx, OP_jmp, stat_ctx.break_label);
1632 set_arg_uint(ctx, default_jmp, ctx->code_off);
1633 if(!push_instr(ctx, OP_undefined))
1634 return E_OUTOFMEMORY;
1637 label_set_addr(ctx, stat_ctx.break_label);
1641 /* ECMA-262 3rd Edition 12.13 */
1642 static HRESULT compile_throw_statement(compiler_ctx_t *ctx, expression_statement_t *stat)
1646 hres = compile_expression(ctx, stat->expr);
1650 return push_instr(ctx, OP_throw) ? S_OK : E_OUTOFMEMORY;
1653 /* ECMA-262 3rd Edition 12.14 */
1654 static HRESULT compile_try_statement(compiler_ctx_t *ctx, try_statement_t *stat)
1656 statement_ctx_t try_ctx = {0, FALSE, TRUE}, catch_ctx = {0, TRUE, FALSE};
1657 statement_ctx_t finally_ctx = {2, FALSE, FALSE};
1658 unsigned push_except;
1662 push_except = push_instr(ctx, OP_push_except);
1664 return E_OUTOFMEMORY;
1666 if(stat->catch_block) {
1667 ident = compiler_alloc_bstr(ctx, stat->catch_block->identifier);
1669 return E_OUTOFMEMORY;
1674 instr_ptr(ctx, push_except)->u.arg[1].bstr = ident;
1676 if(!stat->catch_block)
1677 try_ctx.stack_use = 2;
1679 hres = compile_statement(ctx, &try_ctx, stat->try_statement);
1683 if(!push_instr(ctx, OP_pop_except))
1684 return E_OUTOFMEMORY;
1686 if(stat->catch_block) {
1687 unsigned jmp_finally;
1689 jmp_finally = push_instr(ctx, OP_jmp);
1691 return E_OUTOFMEMORY;
1693 instr_ptr(ctx, push_except)->u.arg[0].uint = ctx->code_off;
1695 hres = compile_statement(ctx, &catch_ctx, stat->catch_block->statement);
1699 if(!push_instr(ctx, OP_pop_scope))
1700 return E_OUTOFMEMORY;
1702 set_arg_uint(ctx, jmp_finally, ctx->code_off);
1704 set_arg_uint(ctx, push_except, ctx->code_off);
1707 if(stat->finally_statement) {
1709 if(!push_instr(ctx, OP_pop))
1710 return E_OUTOFMEMORY;
1712 hres = compile_statement(ctx, stat->catch_block ? NULL : &finally_ctx, stat->finally_statement);
1716 if(!stat->catch_block && !push_instr(ctx, OP_end_finally))
1717 return E_OUTOFMEMORY;
1723 static HRESULT compile_statement(compiler_ctx_t *ctx, statement_ctx_t *stat_ctx, statement_t *stat)
1728 stat_ctx->next = ctx->stat_ctx;
1729 ctx->stat_ctx = stat_ctx;
1732 switch(stat->type) {
1734 hres = compile_block_statement(ctx, ((block_statement_t*)stat)->stat_list);
1737 hres = compile_break_statement(ctx, (branch_statement_t*)stat);
1740 hres = compile_continue_statement(ctx, (branch_statement_t*)stat);
1743 hres = push_instr(ctx, OP_undefined) ? S_OK : E_OUTOFMEMORY; /* FIXME */
1746 hres = compile_expression_statement(ctx, (expression_statement_t*)stat);
1749 hres = compile_for_statement(ctx, (for_statement_t*)stat);
1752 hres = compile_forin_statement(ctx, (forin_statement_t*)stat);
1755 hres = compile_if_statement(ctx, (if_statement_t*)stat);
1758 hres = compile_labelled_statement(ctx, (labelled_statement_t*)stat);
1761 hres = compile_return_statement(ctx, (expression_statement_t*)stat);
1764 hres = compile_switch_statement(ctx, (switch_statement_t*)stat);
1767 hres = compile_throw_statement(ctx, (expression_statement_t*)stat);
1770 hres = compile_try_statement(ctx, (try_statement_t*)stat);
1773 hres = compile_var_statement(ctx, (var_statement_t*)stat);
1776 hres = compile_while_statement(ctx, (while_statement_t*)stat);
1779 hres = compile_with_statement(ctx, (with_statement_t*)stat);
1787 assert(ctx->stat_ctx == stat_ctx);
1788 ctx->stat_ctx = stat_ctx->next;
1794 static void resolve_labels(compiler_ctx_t *ctx, unsigned off)
1798 for(instr = ctx->code->instrs+off; instr < ctx->code->instrs+ctx->code_off; instr++) {
1799 if(instr_info[instr->op].arg1_type == ARG_ADDR && (instr->u.arg->uint & LABEL_FLAG)) {
1800 assert((instr->u.arg->uint & ~LABEL_FLAG) < ctx->labels_cnt);
1801 instr->u.arg->uint = ctx->labels[instr->u.arg->uint & ~LABEL_FLAG];
1803 assert(instr_info[instr->op].arg2_type != ARG_ADDR);
1806 ctx->labels_cnt = 0;
1809 void release_bytecode(bytecode_t *code)
1816 for(i=0; i < code->bstr_cnt; i++)
1817 SysFreeString(code->bstr_pool[i]);
1818 for(i=0; i < code->str_cnt; i++)
1819 jsstr_release(code->str_pool[i]);
1821 heap_free(code->source);
1822 jsheap_free(&code->heap);
1823 heap_free(code->bstr_pool);
1824 heap_free(code->str_pool);
1825 heap_free(code->instrs);
1829 static HRESULT init_code(compiler_ctx_t *compiler, const WCHAR *source)
1831 compiler->code = heap_alloc_zero(sizeof(bytecode_t));
1833 return E_OUTOFMEMORY;
1835 compiler->code->ref = 1;
1836 jsheap_init(&compiler->code->heap);
1838 compiler->code->source = heap_strdupW(source);
1839 if(!compiler->code->source) {
1840 release_bytecode(compiler->code);
1841 return E_OUTOFMEMORY;
1844 compiler->code->instrs = heap_alloc(64 * sizeof(instr_t));
1845 if(!compiler->code->instrs) {
1846 release_bytecode(compiler->code);
1847 return E_OUTOFMEMORY;
1850 compiler->code_size = 64;
1851 compiler->code_off = 1;
1855 static HRESULT compile_function(compiler_ctx_t *ctx, source_elements_t *source, function_expression_t *func_expr,
1856 BOOL from_eval, function_code_t *func)
1858 variable_declaration_t *var_iter;
1859 function_expression_t *iter;
1865 ctx->var_head = ctx->var_tail = NULL;
1866 ctx->func_head = ctx->func_tail = NULL;
1868 off = ctx->code_off;
1870 hres = compile_block_statement(ctx, source->statement);
1874 resolve_labels(ctx, off);
1876 if(!from_eval && !push_instr(ctx, OP_pop))
1877 return E_OUTOFMEMORY;
1878 if(!push_instr(ctx, OP_ret))
1879 return E_OUTOFMEMORY;
1881 if(TRACE_ON(jscript_disas))
1882 dump_code(ctx, off);
1884 func->instr_off = off;
1886 if(func_expr && func_expr->identifier) {
1887 func->name = compiler_alloc_bstr(ctx, func_expr->identifier);
1889 return E_OUTOFMEMORY;
1893 parameter_t *param_iter;
1895 func->source = func_expr->src_str;
1896 func->source_len = func_expr->src_len;
1898 for(param_iter = func_expr->parameter_list; param_iter; param_iter = param_iter->next)
1901 func->params = compiler_alloc(ctx->code, func->param_cnt * sizeof(*func->params));
1903 return E_OUTOFMEMORY;
1905 for(param_iter = func_expr->parameter_list, i=0; param_iter; param_iter = param_iter->next, i++) {
1906 func->params[i] = compiler_alloc_bstr(ctx, param_iter->identifier);
1907 if(!func->params[i])
1908 return E_OUTOFMEMORY;
1912 func->variables = compiler_alloc(ctx->code, func->var_cnt * sizeof(*func->variables));
1913 if(!func->variables)
1914 return E_OUTOFMEMORY;
1916 for(var_iter = ctx->var_head, i=0; var_iter; var_iter = var_iter->global_next, i++) {
1917 func->variables[i] = compiler_alloc_bstr(ctx, var_iter->identifier);
1918 if(!func->variables[i])
1919 return E_OUTOFMEMORY;
1922 assert(i == func->var_cnt);
1924 func->funcs = compiler_alloc(ctx->code, func->func_cnt * sizeof(*func->funcs));
1926 return E_OUTOFMEMORY;
1927 memset(func->funcs, 0, func->func_cnt * sizeof(*func->funcs));
1929 for(iter = ctx->func_head, i=0; iter; iter = iter->next, i++) {
1930 hres = compile_function(ctx, iter->source_elements, iter, FALSE, func->funcs+i);
1935 assert(i == func->func_cnt);
1940 static HRESULT parse_arguments(compiler_ctx_t *ctx, const WCHAR *args, BSTR *arg_array, unsigned *args_size)
1942 const WCHAR *ptr = args, *ptr2;
1943 unsigned arg_cnt = 0;
1945 while(isspaceW(*ptr))
1954 if(!isalphaW(*ptr) && *ptr != '_') {
1955 FIXME("expected alpha or '_': %s\n", debugstr_w(ptr));
1960 while(isalnumW(*ptr) || *ptr == '_')
1963 if(*ptr && *ptr != ',' && !isspaceW(*ptr)) {
1964 FIXME("unexpected har %s\n", debugstr_w(ptr));
1969 arg_array[arg_cnt] = compiler_alloc_bstr_len(ctx, ptr2, ptr-ptr2);
1970 if(!arg_array[arg_cnt])
1971 return E_OUTOFMEMORY;
1975 while(isspaceW(*ptr))
1980 FIXME("expected ',': %s\n", debugstr_w(ptr));
1985 while(isspaceW(*ptr))
1990 *args_size = arg_cnt;
1994 static HRESULT compile_arguments(compiler_ctx_t *ctx, const WCHAR *args)
1998 hres = parse_arguments(ctx, args, NULL, &ctx->code->global_code.param_cnt);
2002 ctx->code->global_code.params = compiler_alloc(ctx->code,
2003 ctx->code->global_code.param_cnt * sizeof(*ctx->code->global_code.params));
2004 if(!ctx->code->global_code.params)
2005 return E_OUTOFMEMORY;
2007 return parse_arguments(ctx, args, ctx->code->global_code.params, NULL);
2010 HRESULT compile_script(script_ctx_t *ctx, const WCHAR *code, const WCHAR *args, const WCHAR *delimiter,
2011 BOOL from_eval, BOOL use_decode, bytecode_t **ret)
2013 compiler_ctx_t compiler = {0};
2016 hres = init_code(&compiler, code);
2021 hres = compile_arguments(&compiler, args);
2027 hres = decode_source(compiler.code->source);
2029 WARN("Decoding failed\n");
2034 hres = script_parse(ctx, compiler.code->source, delimiter, from_eval, &compiler.parser);
2036 release_bytecode(compiler.code);
2040 hres = compile_function(&compiler, compiler.parser->source, NULL, from_eval, &compiler.code->global_code);
2041 parser_release(compiler.parser);
2043 release_bytecode(compiler.code);
2047 *ret = compiler.code;