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
23 #include "parser.tab.h"
25 #include "wine/debug.h"
27 WINE_DEFAULT_DEBUG_CHANNEL(vbscript);
28 WINE_DECLARE_DEBUG_CHANNEL(vbscript_disas);
41 unsigned while_end_label;
42 unsigned for_end_label;
43 unsigned sub_end_label;
44 unsigned func_end_label;
45 unsigned prop_end_label;
47 dim_decl_t *dim_decls;
48 dynamic_var_t *global_vars;
50 const_decl_t *const_decls;
51 const_decl_t *global_consts;
55 function_decl_t *func_decls;
57 class_desc_t *classes;
60 static HRESULT compile_expression(compile_ctx_t*,expression_t*);
61 static HRESULT compile_statement(compile_ctx_t*,statement_t*);
65 instr_arg_type_t arg1_type;
66 instr_arg_type_t arg2_type;
68 #define X(n,a,b,c) {#n,b,c},
73 static void dump_instr_arg(instr_arg_type_t type, instr_arg_t *arg)
78 TRACE_(vbscript_disas)("\t%s", debugstr_w(arg->str));
81 TRACE_(vbscript_disas)("\t%d", arg->uint);
85 TRACE_(vbscript_disas)("\t%u", arg->uint);
88 TRACE_(vbscript_disas)("\t%lf", *arg->dbl);
97 static void dump_code(compile_ctx_t *ctx)
101 for(instr = ctx->code->instrs; instr < ctx->code->instrs+ctx->instr_cnt; instr++) {
102 TRACE_(vbscript_disas)("%d:\t%s", (int)(instr-ctx->code->instrs), instr_info[instr->op].op_str);
103 dump_instr_arg(instr_info[instr->op].arg1_type, &instr->arg1);
104 dump_instr_arg(instr_info[instr->op].arg2_type, &instr->arg2);
105 TRACE_(vbscript_disas)("\n");
109 static inline void *compiler_alloc(vbscode_t *vbscode, size_t size)
111 return vbsheap_alloc(&vbscode->heap, size);
114 static inline void *compiler_alloc_zero(vbscode_t *vbscode, size_t size)
118 ret = vbsheap_alloc(&vbscode->heap, size);
120 memset(ret, 0, size);
124 static WCHAR *compiler_alloc_string(vbscode_t *vbscode, const WCHAR *str)
129 size = (strlenW(str)+1)*sizeof(WCHAR);
130 ret = compiler_alloc(vbscode, size);
132 memcpy(ret, str, size);
136 static inline instr_t *instr_ptr(compile_ctx_t *ctx, unsigned id)
138 assert(id < ctx->instr_cnt);
139 return ctx->code->instrs + id;
142 static unsigned push_instr(compile_ctx_t *ctx, vbsop_t op)
144 assert(ctx->instr_size && ctx->instr_size >= ctx->instr_cnt);
146 if(ctx->instr_size == ctx->instr_cnt) {
149 new_instr = heap_realloc(ctx->code->instrs, ctx->instr_size*2*sizeof(instr_t));
153 ctx->code->instrs = new_instr;
154 ctx->instr_size *= 2;
157 ctx->code->instrs[ctx->instr_cnt].op = op;
158 return ctx->instr_cnt++;
161 static HRESULT push_instr_int(compile_ctx_t *ctx, vbsop_t op, LONG arg)
165 ret = push_instr(ctx, op);
167 return E_OUTOFMEMORY;
169 instr_ptr(ctx, ret)->arg1.lng = arg;
173 static HRESULT push_instr_uint(compile_ctx_t *ctx, vbsop_t op, unsigned arg)
177 ret = push_instr(ctx, op);
179 return E_OUTOFMEMORY;
181 instr_ptr(ctx, ret)->arg1.uint = arg;
185 static HRESULT push_instr_addr(compile_ctx_t *ctx, vbsop_t op, unsigned arg)
189 ret = push_instr(ctx, op);
191 return E_OUTOFMEMORY;
193 instr_ptr(ctx, ret)->arg1.uint = arg;
197 static HRESULT push_instr_str(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg)
202 str = compiler_alloc_string(ctx->code, arg);
204 return E_OUTOFMEMORY;
206 instr = push_instr(ctx, op);
208 return E_OUTOFMEMORY;
210 instr_ptr(ctx, instr)->arg1.str = str;
214 static HRESULT push_instr_double(compile_ctx_t *ctx, vbsop_t op, double arg)
219 d = compiler_alloc(ctx->code, sizeof(double));
221 return E_OUTOFMEMORY;
223 instr = push_instr(ctx, op);
225 return E_OUTOFMEMORY;
228 instr_ptr(ctx, instr)->arg1.dbl = d;
232 static BSTR alloc_bstr_arg(compile_ctx_t *ctx, const WCHAR *str)
234 if(!ctx->code->bstr_pool_size) {
235 ctx->code->bstr_pool = heap_alloc(8 * sizeof(BSTR));
236 if(!ctx->code->bstr_pool)
238 ctx->code->bstr_pool_size = 8;
239 }else if(ctx->code->bstr_pool_size == ctx->code->bstr_cnt) {
242 new_pool = heap_realloc(ctx->code->bstr_pool, ctx->code->bstr_pool_size*2*sizeof(BSTR));
246 ctx->code->bstr_pool = new_pool;
247 ctx->code->bstr_pool_size *= 2;
250 ctx->code->bstr_pool[ctx->code->bstr_cnt] = SysAllocString(str);
251 if(!ctx->code->bstr_pool[ctx->code->bstr_cnt])
254 return ctx->code->bstr_pool[ctx->code->bstr_cnt++];
257 static HRESULT push_instr_bstr(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg)
262 bstr = alloc_bstr_arg(ctx, arg);
264 return E_OUTOFMEMORY;
266 instr = push_instr(ctx, op);
268 return E_OUTOFMEMORY;
270 instr_ptr(ctx, instr)->arg1.bstr = bstr;
274 static HRESULT push_instr_bstr_uint(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg1, unsigned arg2)
279 bstr = alloc_bstr_arg(ctx, arg1);
281 return E_OUTOFMEMORY;
283 instr = push_instr(ctx, op);
285 return E_OUTOFMEMORY;
287 instr_ptr(ctx, instr)->arg1.bstr = bstr;
288 instr_ptr(ctx, instr)->arg2.uint = arg2;
292 #define LABEL_FLAG 0x80000000
294 static unsigned alloc_label(compile_ctx_t *ctx)
296 if(!ctx->labels_size) {
297 ctx->labels = heap_alloc(8 * sizeof(*ctx->labels));
300 ctx->labels_size = 8;
301 }else if(ctx->labels_size == ctx->labels_cnt) {
302 unsigned *new_labels;
304 new_labels = heap_realloc(ctx->labels, 2*ctx->labels_size*sizeof(*ctx->labels));
308 ctx->labels = new_labels;
309 ctx->labels_size *= 2;
312 return ctx->labels_cnt++ | LABEL_FLAG;
315 static inline void label_set_addr(compile_ctx_t *ctx, unsigned label)
317 assert(label & LABEL_FLAG);
318 ctx->labels[label & ~LABEL_FLAG] = ctx->instr_cnt;
321 static expression_t *lookup_const_decls(compile_ctx_t *ctx, const WCHAR *name, BOOL lookup_global)
325 for(decl = ctx->const_decls; decl; decl = decl->next) {
326 if(!strcmpiW(decl->name, name))
327 return decl->value_expr;
333 for(decl = ctx->global_consts; decl; decl = decl->next) {
334 if(!strcmpiW(decl->name, name))
335 return decl->value_expr;
341 static HRESULT compile_args(compile_ctx_t *ctx, expression_t *args, unsigned *ret)
343 unsigned arg_cnt = 0;
347 hres = compile_expression(ctx, args);
359 static HRESULT compile_member_expression(compile_ctx_t *ctx, member_expression_t *expr, BOOL ret_val)
361 unsigned arg_cnt = 0;
364 if(ret_val && !expr->args) {
365 expression_t *const_expr;
367 const_expr = lookup_const_decls(ctx, expr->identifier, TRUE);
369 return compile_expression(ctx, const_expr);
372 hres = compile_args(ctx, expr->args, &arg_cnt);
377 hres = compile_expression(ctx, expr->obj_expr);
381 hres = push_instr_bstr_uint(ctx, ret_val ? OP_mcall : OP_mcallv, expr->identifier, arg_cnt);
383 hres = push_instr_bstr_uint(ctx, ret_val ? OP_icall : OP_icallv, expr->identifier, arg_cnt);
389 static HRESULT compile_unary_expression(compile_ctx_t *ctx, unary_expression_t *expr, vbsop_t op)
393 hres = compile_expression(ctx, expr->subexpr);
397 return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY;
400 static HRESULT compile_binary_expression(compile_ctx_t *ctx, binary_expression_t *expr, vbsop_t op)
404 hres = compile_expression(ctx, expr->left);
408 hres = compile_expression(ctx, expr->right);
412 return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY;
415 static HRESULT compile_expression(compile_ctx_t *ctx, expression_t *expr)
419 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_add);
421 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_and);
423 return push_instr_int(ctx, OP_bool, ((bool_expression_t*)expr)->value);
425 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_concat);
427 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_div);
429 return push_instr_double(ctx, OP_double, ((double_expression_t*)expr)->value);
431 return push_instr(ctx, OP_empty) ? S_OK : E_OUTOFMEMORY;
433 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_equal);
435 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_eqv);
437 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_exp);
439 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gt);
441 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gteq);
443 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_idiv);
445 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_is);
447 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_imp);
449 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lt);
451 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lteq);
453 return push_instr(ctx, OP_me) ? S_OK : E_OUTOFMEMORY;
455 return compile_member_expression(ctx, (member_expression_t*)expr, TRUE);
457 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mod);
459 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mul);
461 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_neg);
463 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_nequal);
465 return push_instr_str(ctx, OP_new, ((string_expression_t*)expr)->value);
467 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_not);
469 return push_instr(ctx, OP_nothing) ? S_OK : E_OUTOFMEMORY;
471 return push_instr(ctx, OP_null) ? S_OK : E_OUTOFMEMORY;
473 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_or);
475 return push_instr_str(ctx, OP_string, ((string_expression_t*)expr)->value);
477 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_sub);
479 return push_instr_int(ctx, OP_short, ((int_expression_t*)expr)->value);
481 return push_instr_int(ctx, OP_long, ((int_expression_t*)expr)->value);
483 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_xor);
485 FIXME("Unimplemented expression type %d\n", expr->type);
492 static HRESULT compile_if_statement(compile_ctx_t *ctx, if_statement_t *stat)
494 unsigned cnd_jmp, endif_label = 0;
495 elseif_decl_t *elseif_decl;
498 hres = compile_expression(ctx, stat->expr);
502 cnd_jmp = push_instr(ctx, OP_jmp_false);
504 return E_OUTOFMEMORY;
506 hres = compile_statement(ctx, stat->if_stat);
510 if(stat->else_stat || stat->elseifs) {
511 endif_label = alloc_label(ctx);
513 return E_OUTOFMEMORY;
515 hres = push_instr_addr(ctx, OP_jmp, endif_label);
520 for(elseif_decl = stat->elseifs; elseif_decl; elseif_decl = elseif_decl->next) {
521 instr_ptr(ctx, cnd_jmp)->arg1.uint = ctx->instr_cnt;
523 hres = compile_expression(ctx, elseif_decl->expr);
527 cnd_jmp = push_instr(ctx, OP_jmp_false);
529 return E_OUTOFMEMORY;
531 hres = compile_statement(ctx, elseif_decl->stat);
535 hres = push_instr_addr(ctx, OP_jmp, endif_label);
540 instr_ptr(ctx, cnd_jmp)->arg1.uint = ctx->instr_cnt;
542 if(stat->else_stat) {
543 hres = compile_statement(ctx, stat->else_stat);
549 label_set_addr(ctx, endif_label);
553 static HRESULT compile_while_statement(compile_ctx_t *ctx, while_statement_t *stat)
555 unsigned start_addr, prev_label;
559 start_addr = ctx->instr_cnt;
561 hres = compile_expression(ctx, stat->expr);
565 jmp_end = push_instr(ctx, stat->stat.type == STAT_UNTIL ? OP_jmp_true : OP_jmp_false);
567 return E_OUTOFMEMORY;
569 prev_label = ctx->while_end_label;
570 if(stat->stat.type != STAT_WHILE && !(ctx->while_end_label = alloc_label(ctx)))
571 return E_OUTOFMEMORY;
573 hres = compile_statement(ctx, stat->body);
577 hres = push_instr_addr(ctx, OP_jmp, start_addr);
581 instr_ptr(ctx, jmp_end)->arg1.uint = ctx->instr_cnt;
583 if(stat->stat.type != STAT_WHILE) {
584 label_set_addr(ctx, ctx->while_end_label);
585 ctx->while_end_label = prev_label;
591 static HRESULT compile_dowhile_statement(compile_ctx_t *ctx, while_statement_t *stat)
593 unsigned start_addr, prev_label;
596 start_addr = ctx->instr_cnt;
598 prev_label = ctx->while_end_label;
599 if(!(ctx->while_end_label = alloc_label(ctx)))
600 return E_OUTOFMEMORY;
602 hres = compile_statement(ctx, stat->body);
606 hres = compile_expression(ctx, stat->expr);
610 hres = push_instr_addr(ctx, stat->stat.type == STAT_DOUNTIL ? OP_jmp_false : OP_jmp_true, start_addr);
614 label_set_addr(ctx, ctx->while_end_label);
615 ctx->while_end_label = prev_label;
619 static HRESULT compile_foreach_statement(compile_ctx_t *ctx, foreach_statement_t *stat)
621 FIXME("for each loop not implemented\n");
625 static HRESULT compile_forto_statement(compile_ctx_t *ctx, forto_statement_t *stat)
627 unsigned step_instr, instr, prev_label;
631 identifier = alloc_bstr_arg(ctx, stat->identifier);
633 return E_OUTOFMEMORY;
635 hres = compile_expression(ctx, stat->from_expr);
639 instr = push_instr(ctx, OP_assign_ident);
641 return E_OUTOFMEMORY;
642 instr_ptr(ctx, instr)->arg1.bstr = identifier;
644 hres = compile_expression(ctx, stat->to_expr);
648 if(!push_instr(ctx, OP_val))
649 return E_OUTOFMEMORY;
651 if(stat->step_expr) {
652 hres = compile_expression(ctx, stat->step_expr);
656 if(!push_instr(ctx, OP_val))
657 return E_OUTOFMEMORY;
659 hres = push_instr_int(ctx, OP_short, 1);
664 prev_label = ctx->for_end_label;
665 ctx->for_end_label = alloc_label(ctx);
666 if(!ctx->for_end_label)
667 return E_OUTOFMEMORY;
669 step_instr = push_instr(ctx, OP_step);
671 return E_OUTOFMEMORY;
672 instr_ptr(ctx, step_instr)->arg2.bstr = identifier;
673 instr_ptr(ctx, step_instr)->arg1.uint = ctx->for_end_label;
675 hres = compile_statement(ctx, stat->body);
679 instr = push_instr(ctx, OP_incc);
681 return E_OUTOFMEMORY;
682 instr_ptr(ctx, instr)->arg1.bstr = identifier;
684 hres = push_instr_addr(ctx, OP_jmp, step_instr);
688 label_set_addr(ctx, ctx->for_end_label);
689 ctx->for_end_label = prev_label;
691 return push_instr_uint(ctx, OP_pop, 2);
694 static HRESULT compile_assign_statement(compile_ctx_t *ctx, assign_statement_t *stat, BOOL is_set)
700 if(stat->member_expr->obj_expr) {
701 hres = compile_expression(ctx, stat->member_expr->obj_expr);
705 op = is_set ? OP_set_member : OP_assign_member;
707 op = is_set ? OP_set_ident : OP_assign_ident;
710 hres = compile_expression(ctx, stat->value_expr);
714 hres = compile_args(ctx, stat->member_expr->args, &args_cnt);
718 return push_instr_bstr_uint(ctx, op, stat->member_expr->identifier, args_cnt);
721 static BOOL lookup_dim_decls(compile_ctx_t *ctx, const WCHAR *name)
723 dim_decl_t *dim_decl;
725 for(dim_decl = ctx->dim_decls; dim_decl; dim_decl = dim_decl->next) {
726 if(!strcmpiW(dim_decl->name, name))
733 static BOOL lookup_args_name(compile_ctx_t *ctx, const WCHAR *name)
737 for(i = 0; i < ctx->func->arg_cnt; i++) {
738 if(!strcmpiW(ctx->func->args[i].name, name))
745 static HRESULT compile_dim_statement(compile_ctx_t *ctx, dim_statement_t *stat)
747 dim_decl_t *dim_decl = stat->dim_decls;
750 if(lookup_dim_decls(ctx, dim_decl->name) || lookup_args_name(ctx, dim_decl->name)
751 || lookup_const_decls(ctx, dim_decl->name, FALSE)) {
752 FIXME("dim %s name redefined\n", debugstr_w(dim_decl->name));
756 ctx->func->var_cnt++;
759 dim_decl = dim_decl->next;
762 dim_decl->next = ctx->dim_decls;
763 ctx->dim_decls = stat->dim_decls;
767 static HRESULT compile_const_statement(compile_ctx_t *ctx, const_statement_t *stat)
769 const_decl_t *decl, *next_decl = stat->decls;
774 if(lookup_const_decls(ctx, decl->name, FALSE) || lookup_args_name(ctx, decl->name)
775 || lookup_dim_decls(ctx, decl->name)) {
776 FIXME("%s redefined\n", debugstr_w(decl->name));
780 if(ctx->func->type == FUNC_GLOBAL) {
783 hres = compile_expression(ctx, decl->value_expr);
787 hres = push_instr_bstr(ctx, OP_const, decl->name);
792 next_decl = decl->next;
793 decl->next = ctx->const_decls;
794 ctx->const_decls = decl;
800 static HRESULT compile_function_statement(compile_ctx_t *ctx, function_statement_t *stat)
802 if(ctx->func != &ctx->code->global_code) {
803 FIXME("Function is not in the global code\n");
807 stat->func_decl->next = ctx->func_decls;
808 ctx->func_decls = stat->func_decl;
812 static HRESULT compile_exitdo_statement(compile_ctx_t *ctx)
814 if(!ctx->while_end_label) {
815 FIXME("Exit Do outside Do Loop\n");
819 return push_instr_addr(ctx, OP_jmp, ctx->while_end_label);
822 static HRESULT compile_exitfor_statement(compile_ctx_t *ctx)
824 if(!ctx->for_end_label) {
825 FIXME("Exit For outside For Loop\n");
829 return push_instr_addr(ctx, OP_jmp, ctx->for_end_label);
832 static HRESULT compile_exitsub_statement(compile_ctx_t *ctx)
834 if(!ctx->sub_end_label) {
835 FIXME("Exit Sub outside Sub?\n");
839 return push_instr_addr(ctx, OP_jmp, ctx->sub_end_label);
842 static HRESULT compile_exitfunc_statement(compile_ctx_t *ctx)
844 if(!ctx->func_end_label) {
845 FIXME("Exit Function outside Function?\n");
849 return push_instr_addr(ctx, OP_jmp, ctx->func_end_label);
852 static HRESULT compile_exitprop_statement(compile_ctx_t *ctx)
854 if(!ctx->prop_end_label) {
855 FIXME("Exit Property outside Property?\n");
859 return push_instr_addr(ctx, OP_jmp, ctx->prop_end_label);
862 static HRESULT compile_onerror_statement(compile_ctx_t *ctx, onerror_statement_t *stat)
864 return push_instr_int(ctx, OP_errmode, stat->resume_next);
867 static HRESULT compile_statement(compile_ctx_t *ctx, statement_t *stat)
874 hres = compile_assign_statement(ctx, (assign_statement_t*)stat, FALSE);
877 hres = compile_member_expression(ctx, ((call_statement_t*)stat)->expr, FALSE);
880 hres = compile_const_statement(ctx, (const_statement_t*)stat);
883 hres = compile_dim_statement(ctx, (dim_statement_t*)stat);
887 hres = compile_dowhile_statement(ctx, (while_statement_t*)stat);
890 hres = compile_exitdo_statement(ctx);
893 hres = compile_exitfor_statement(ctx);
896 hres = compile_exitfunc_statement(ctx);
899 hres = compile_exitprop_statement(ctx);
902 hres = compile_exitsub_statement(ctx);
905 hres = compile_foreach_statement(ctx, (foreach_statement_t*)stat);
908 hres = compile_forto_statement(ctx, (forto_statement_t*)stat);
911 hres = compile_function_statement(ctx, (function_statement_t*)stat);
914 hres = compile_if_statement(ctx, (if_statement_t*)stat);
917 hres = compile_onerror_statement(ctx, (onerror_statement_t*)stat);
920 hres = compile_assign_statement(ctx, (assign_statement_t*)stat, TRUE);
923 hres = push_instr(ctx, OP_stop) ? S_OK : E_OUTOFMEMORY;
928 hres = compile_while_statement(ctx, (while_statement_t*)stat);
931 FIXME("Unimplemented statement type %d\n", stat->type);
943 static void resolve_labels(compile_ctx_t *ctx, unsigned off)
947 for(instr = ctx->code->instrs+off; instr < ctx->code->instrs+ctx->instr_cnt; instr++) {
948 if(instr_info[instr->op].arg1_type == ARG_ADDR && (instr->arg1.uint & LABEL_FLAG)) {
949 assert((instr->arg1.uint & ~LABEL_FLAG) < ctx->labels_cnt);
950 instr->arg1.uint = ctx->labels[instr->arg1.uint & ~LABEL_FLAG];
952 assert(instr_info[instr->op].arg2_type != ARG_ADDR);
958 static HRESULT compile_func(compile_ctx_t *ctx, statement_t *stat, function_t *func)
962 func->code_off = ctx->instr_cnt;
964 ctx->while_end_label = 0;
965 ctx->for_end_label = 0;
966 ctx->sub_end_label = 0;
967 ctx->func_end_label = 0;
968 ctx->prop_end_label = 0;
972 ctx->func_end_label = alloc_label(ctx);
973 if(!ctx->func_end_label)
974 return E_OUTOFMEMORY;
977 ctx->sub_end_label = alloc_label(ctx);
978 if(!ctx->sub_end_label)
979 return E_OUTOFMEMORY;
985 ctx->prop_end_label = alloc_label(ctx);
986 if(!ctx->prop_end_label)
987 return E_OUTOFMEMORY;
994 ctx->dim_decls = NULL;
995 ctx->const_decls = NULL;
996 hres = compile_statement(ctx, stat);
1001 assert(!ctx->while_end_label);
1002 assert(!ctx->for_end_label);
1004 if(ctx->sub_end_label)
1005 label_set_addr(ctx, ctx->sub_end_label);
1006 if(ctx->func_end_label)
1007 label_set_addr(ctx, ctx->func_end_label);
1008 if(ctx->prop_end_label)
1009 label_set_addr(ctx, ctx->prop_end_label);
1011 if(!push_instr(ctx, OP_ret))
1012 return E_OUTOFMEMORY;
1014 resolve_labels(ctx, func->code_off);
1017 dim_decl_t *dim_decl;
1019 if(func->type == FUNC_GLOBAL) {
1020 dynamic_var_t *new_var;
1024 for(dim_decl = ctx->dim_decls; dim_decl; dim_decl = dim_decl->next) {
1025 new_var = compiler_alloc(ctx->code, sizeof(*new_var));
1027 return E_OUTOFMEMORY;
1029 new_var->name = compiler_alloc_string(ctx->code, dim_decl->name);
1031 return E_OUTOFMEMORY;
1033 V_VT(&new_var->v) = VT_EMPTY;
1034 new_var->is_const = FALSE;
1036 new_var->next = ctx->global_vars;
1037 ctx->global_vars = new_var;
1042 func->vars = compiler_alloc(ctx->code, func->var_cnt * sizeof(var_desc_t));
1044 return E_OUTOFMEMORY;
1046 for(dim_decl = ctx->dim_decls, i=0; dim_decl; dim_decl = dim_decl->next, i++) {
1047 func->vars[i].name = compiler_alloc_string(ctx->code, dim_decl->name);
1048 if(!func->vars[i].name)
1049 return E_OUTOFMEMORY;
1052 assert(i == func->var_cnt);
1059 static BOOL lookup_funcs_name(compile_ctx_t *ctx, const WCHAR *name)
1063 for(iter = ctx->funcs; iter; iter = iter->next) {
1064 if(!strcmpiW(iter->name, name))
1071 static HRESULT create_function(compile_ctx_t *ctx, function_decl_t *decl, function_t **ret)
1076 if(lookup_dim_decls(ctx, decl->name) || lookup_funcs_name(ctx, decl->name) || lookup_const_decls(ctx, decl->name, FALSE)) {
1077 FIXME("%s: redefinition\n", debugstr_w(decl->name));
1081 func = compiler_alloc(ctx->code, sizeof(*func));
1083 return E_OUTOFMEMORY;
1085 func->name = compiler_alloc_string(ctx->code, decl->name);
1087 return E_OUTOFMEMORY;
1091 func->code_ctx = ctx->code;
1092 func->type = decl->type;
1093 func->is_public = decl->is_public;
1100 for(arg = decl->args; arg; arg = arg->next)
1103 func->args = compiler_alloc(ctx->code, func->arg_cnt * sizeof(arg_desc_t));
1105 return E_OUTOFMEMORY;
1107 for(i = 0, arg = decl->args; arg; arg = arg->next, i++) {
1108 func->args[i].name = compiler_alloc_string(ctx->code, arg->name);
1109 if(!func->args[i].name)
1110 return E_OUTOFMEMORY;
1111 func->args[i].by_ref = arg->by_ref;
1117 hres = compile_func(ctx, decl->body, func);
1125 static BOOL lookup_class_name(compile_ctx_t *ctx, const WCHAR *name)
1129 for(iter = ctx->classes; iter; iter = iter->next) {
1130 if(!strcmpiW(iter->name, name))
1137 static HRESULT create_class_funcprop(compile_ctx_t *ctx, function_decl_t *func_decl, vbdisp_funcprop_desc_t *desc)
1139 vbdisp_invoke_type_t invoke_type;
1140 function_decl_t *funcprop_decl;
1143 desc->name = compiler_alloc_string(ctx->code, func_decl->name);
1145 return E_OUTOFMEMORY;
1147 for(funcprop_decl = func_decl; funcprop_decl; funcprop_decl = funcprop_decl->next_prop_func) {
1148 switch(funcprop_decl->type) {
1153 invoke_type = VBDISP_CALLGET;
1156 invoke_type = VBDISP_LET;
1159 invoke_type = VBDISP_SET;
1165 assert(!desc->entries[invoke_type]);
1167 if(funcprop_decl->is_public)
1168 desc->is_public = TRUE;
1170 hres = create_function(ctx, funcprop_decl, desc->entries+invoke_type);
1178 static BOOL lookup_class_funcs(class_desc_t *class_desc, const WCHAR *name)
1182 for(i=0; i < class_desc->func_cnt; i++) {
1183 if(class_desc->funcs[i].name && !strcmpiW(class_desc->funcs[i].name, name))
1190 static HRESULT compile_class(compile_ctx_t *ctx, class_decl_t *class_decl)
1192 function_decl_t *func_decl, *func_prop_decl;
1193 class_prop_decl_t *prop_decl;
1194 class_desc_t *class_desc;
1198 static const WCHAR class_initializeW[] = {'c','l','a','s','s','_','i','n','i','t','i','a','l','i','z','e',0};
1199 static const WCHAR class_terminateW[] = {'c','l','a','s','s','_','t','e','r','m','i','n','a','t','e',0};
1201 if(lookup_dim_decls(ctx, class_decl->name) || lookup_funcs_name(ctx, class_decl->name)
1202 || lookup_const_decls(ctx, class_decl->name, FALSE) || lookup_class_name(ctx, class_decl->name)) {
1203 FIXME("%s: redefinition\n", debugstr_w(class_decl->name));
1207 class_desc = compiler_alloc_zero(ctx->code, sizeof(*class_desc));
1209 return E_OUTOFMEMORY;
1211 class_desc->name = compiler_alloc_string(ctx->code, class_decl->name);
1212 if(!class_desc->name)
1213 return E_OUTOFMEMORY;
1215 class_desc->func_cnt = 1; /* always allocate slot for default getter */
1217 for(func_decl = class_decl->funcs; func_decl; func_decl = func_decl->next) {
1218 for(func_prop_decl = func_decl; func_prop_decl; func_prop_decl = func_prop_decl->next_prop_func) {
1219 if(func_prop_decl->type == FUNC_DEFGET)
1223 class_desc->func_cnt++;
1226 class_desc->funcs = compiler_alloc(ctx->code, class_desc->func_cnt*sizeof(*class_desc->funcs));
1227 if(!class_desc->funcs)
1228 return E_OUTOFMEMORY;
1229 memset(class_desc->funcs, 0, class_desc->func_cnt*sizeof(*class_desc->funcs));
1231 for(func_decl = class_decl->funcs, i=1; func_decl; func_decl = func_decl->next, i++) {
1232 for(func_prop_decl = func_decl; func_prop_decl; func_prop_decl = func_prop_decl->next_prop_func) {
1233 if(func_prop_decl->type == FUNC_DEFGET) {
1239 if(!strcmpiW(class_initializeW, func_decl->name)) {
1240 if(func_decl->type != FUNC_SUB) {
1241 FIXME("class initializer is not sub\n");
1245 class_desc->class_initialize_id = i;
1246 }else if(!strcmpiW(class_terminateW, func_decl->name)) {
1247 if(func_decl->type != FUNC_SUB) {
1248 FIXME("class terminator is not sub\n");
1252 class_desc->class_terminate_id = i;
1255 hres = create_class_funcprop(ctx, func_decl, class_desc->funcs + (func_prop_decl ? 0 : i));
1260 for(prop_decl = class_decl->props; prop_decl; prop_decl = prop_decl->next)
1261 class_desc->prop_cnt++;
1263 class_desc->props = compiler_alloc(ctx->code, class_desc->prop_cnt*sizeof(*class_desc->props));
1264 if(!class_desc->props)
1265 return E_OUTOFMEMORY;
1267 for(prop_decl = class_decl->props, i=0; prop_decl; prop_decl = prop_decl->next, i++) {
1268 if(lookup_class_funcs(class_desc, prop_decl->name)) {
1269 FIXME("Property %s redefined\n", debugstr_w(prop_decl->name));
1273 class_desc->props[i].name = compiler_alloc_string(ctx->code, prop_decl->name);
1274 if(!class_desc->props[i].name)
1275 return E_OUTOFMEMORY;
1277 class_desc->props[i].is_public = prop_decl->is_public;
1280 class_desc->next = ctx->classes;
1281 ctx->classes = class_desc;
1285 static BOOL lookup_script_identifier(script_ctx_t *script, const WCHAR *identifier)
1287 class_desc_t *class;
1291 for(var = script->global_vars; var; var = var->next) {
1292 if(!strcmpiW(var->name, identifier))
1296 for(func = script->global_funcs; func; func = func->next) {
1297 if(!strcmpiW(func->name, identifier))
1301 for(class = script->classes; class; class = class->next) {
1302 if(!strcmpiW(class->name, identifier))
1309 static HRESULT check_script_collisions(compile_ctx_t *ctx, script_ctx_t *script)
1311 class_desc_t *class;
1315 for(var = ctx->global_vars; var; var = var->next) {
1316 if(lookup_script_identifier(script, var->name)) {
1317 FIXME("%s: redefined\n", debugstr_w(var->name));
1322 for(func = ctx->funcs; func; func = func->next) {
1323 if(lookup_script_identifier(script, func->name)) {
1324 FIXME("%s: redefined\n", debugstr_w(func->name));
1329 for(class = ctx->classes; class; class = class->next) {
1330 if(lookup_script_identifier(script, class->name)) {
1331 FIXME("%s: redefined\n", debugstr_w(class->name));
1339 void release_vbscode(vbscode_t *code)
1343 list_remove(&code->entry);
1345 for(i=0; i < code->bstr_cnt; i++)
1346 SysFreeString(code->bstr_pool[i]);
1348 vbsheap_free(&code->heap);
1350 heap_free(code->bstr_pool);
1351 heap_free(code->source);
1352 heap_free(code->instrs);
1356 static vbscode_t *alloc_vbscode(compile_ctx_t *ctx, const WCHAR *source)
1360 ret = heap_alloc(sizeof(*ret));
1364 ret->source = heap_strdupW(source);
1370 ret->instrs = heap_alloc(32*sizeof(instr_t));
1372 release_vbscode(ret);
1377 ctx->instr_size = 32;
1378 vbsheap_init(&ret->heap);
1380 ret->option_explicit = ctx->parser.option_explicit;
1382 ret->bstr_pool = NULL;
1383 ret->bstr_pool_size = 0;
1385 ret->global_executed = FALSE;
1387 ret->global_code.type = FUNC_GLOBAL;
1388 ret->global_code.name = NULL;
1389 ret->global_code.code_ctx = ret;
1390 ret->global_code.vars = NULL;
1391 ret->global_code.var_cnt = 0;
1392 ret->global_code.arg_cnt = 0;
1393 ret->global_code.args = NULL;
1395 list_init(&ret->entry);
1399 static void release_compiler(compile_ctx_t *ctx)
1401 parser_release(&ctx->parser);
1402 heap_free(ctx->labels);
1404 release_vbscode(ctx->code);
1407 HRESULT compile_script(script_ctx_t *script, const WCHAR *src, vbscode_t **ret)
1409 function_t *new_func;
1410 function_decl_t *func_decl;
1411 class_decl_t *class_decl;
1416 hres = parse_script(&ctx.parser, src);
1420 code = ctx.code = alloc_vbscode(&ctx, src);
1422 return E_OUTOFMEMORY;
1425 ctx.func_decls = NULL;
1426 ctx.global_vars = NULL;
1427 ctx.dim_decls = NULL;
1430 ctx.global_consts = NULL;
1431 ctx.labels_cnt = ctx.labels_size = 0;
1433 hres = compile_func(&ctx, ctx.parser.stats, &ctx.code->global_code);
1435 release_compiler(&ctx);
1439 ctx.global_consts = ctx.const_decls;
1441 for(func_decl = ctx.func_decls; func_decl; func_decl = func_decl->next) {
1442 hres = create_function(&ctx, func_decl, &new_func);
1444 release_compiler(&ctx);
1448 new_func->next = ctx.funcs;
1449 ctx.funcs = new_func;
1452 for(class_decl = ctx.parser.class_decls; class_decl; class_decl = class_decl->next) {
1453 hres = compile_class(&ctx, class_decl);
1455 release_compiler(&ctx);
1460 hres = check_script_collisions(&ctx, script);
1462 release_compiler(&ctx);
1466 if(ctx.global_vars) {
1469 for(var = ctx.global_vars; var->next; var = var->next);
1471 var->next = script->global_vars;
1472 script->global_vars = ctx.global_vars;
1476 for(new_func = ctx.funcs; new_func->next; new_func = new_func->next);
1478 new_func->next = script->global_funcs;
1479 script->global_funcs = ctx.funcs;
1483 class_desc_t *class = ctx.classes;
1486 class->ctx = script;
1489 class = class->next;
1492 class->next = script->classes;
1493 script->classes = ctx.classes;
1496 if(TRACE_ON(vbscript_disas))
1500 release_compiler(&ctx);
1502 list_add_tail(&script->code_list, &code->entry);