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 sub_end_label;
43 unsigned func_end_label;
44 unsigned prop_end_label;
46 dim_decl_t *dim_decls;
47 dynamic_var_t *global_vars;
49 const_decl_t *const_decls;
50 const_decl_t *global_consts;
54 function_decl_t *func_decls;
56 class_desc_t *classes;
59 static HRESULT compile_expression(compile_ctx_t*,expression_t*);
60 static HRESULT compile_statement(compile_ctx_t*,statement_t*);
64 instr_arg_type_t arg1_type;
65 instr_arg_type_t arg2_type;
67 #define X(n,a,b,c) {#n,b,c},
72 static void dump_instr_arg(instr_arg_type_t type, instr_arg_t *arg)
77 TRACE_(vbscript_disas)("\t%s", debugstr_w(arg->str));
80 TRACE_(vbscript_disas)("\t%d", arg->uint);
84 TRACE_(vbscript_disas)("\t%u", arg->uint);
87 TRACE_(vbscript_disas)("\t%lf", *arg->dbl);
96 static void dump_code(compile_ctx_t *ctx)
100 for(instr = ctx->code->instrs; instr < ctx->code->instrs+ctx->instr_cnt; instr++) {
101 TRACE_(vbscript_disas)("%d:\t%s", (int)(instr-ctx->code->instrs), instr_info[instr->op].op_str);
102 dump_instr_arg(instr_info[instr->op].arg1_type, &instr->arg1);
103 dump_instr_arg(instr_info[instr->op].arg2_type, &instr->arg2);
104 TRACE_(vbscript_disas)("\n");
108 static inline void *compiler_alloc(vbscode_t *vbscode, size_t size)
110 return vbsheap_alloc(&vbscode->heap, size);
113 static inline void *compiler_alloc_zero(vbscode_t *vbscode, size_t size)
117 ret = vbsheap_alloc(&vbscode->heap, size);
119 memset(ret, 0, size);
123 static WCHAR *compiler_alloc_string(vbscode_t *vbscode, const WCHAR *str)
128 size = (strlenW(str)+1)*sizeof(WCHAR);
129 ret = compiler_alloc(vbscode, size);
131 memcpy(ret, str, size);
135 static inline instr_t *instr_ptr(compile_ctx_t *ctx, unsigned id)
137 assert(id < ctx->instr_cnt);
138 return ctx->code->instrs + id;
141 static unsigned push_instr(compile_ctx_t *ctx, vbsop_t op)
143 assert(ctx->instr_size && ctx->instr_size >= ctx->instr_cnt);
145 if(ctx->instr_size == ctx->instr_cnt) {
148 new_instr = heap_realloc(ctx->code->instrs, ctx->instr_size*2*sizeof(instr_t));
152 ctx->code->instrs = new_instr;
153 ctx->instr_size *= 2;
156 ctx->code->instrs[ctx->instr_cnt].op = op;
157 return ctx->instr_cnt++;
160 static HRESULT push_instr_int(compile_ctx_t *ctx, vbsop_t op, LONG arg)
164 ret = push_instr(ctx, op);
166 return E_OUTOFMEMORY;
168 instr_ptr(ctx, ret)->arg1.lng = arg;
172 static HRESULT push_instr_addr(compile_ctx_t *ctx, vbsop_t op, unsigned arg)
176 ret = push_instr(ctx, op);
178 return E_OUTOFMEMORY;
180 instr_ptr(ctx, ret)->arg1.uint = arg;
184 static HRESULT push_instr_str(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg)
189 str = compiler_alloc_string(ctx->code, arg);
191 return E_OUTOFMEMORY;
193 instr = push_instr(ctx, op);
195 return E_OUTOFMEMORY;
197 instr_ptr(ctx, instr)->arg1.str = str;
201 static HRESULT push_instr_double(compile_ctx_t *ctx, vbsop_t op, double arg)
206 d = compiler_alloc(ctx->code, sizeof(double));
208 return E_OUTOFMEMORY;
210 instr = push_instr(ctx, op);
212 return E_OUTOFMEMORY;
215 instr_ptr(ctx, instr)->arg1.dbl = d;
219 static BSTR alloc_bstr_arg(compile_ctx_t *ctx, const WCHAR *str)
221 if(!ctx->code->bstr_pool_size) {
222 ctx->code->bstr_pool = heap_alloc(8 * sizeof(BSTR));
223 if(!ctx->code->bstr_pool)
225 ctx->code->bstr_pool_size = 8;
226 }else if(ctx->code->bstr_pool_size == ctx->code->bstr_cnt) {
229 new_pool = heap_realloc(ctx->code->bstr_pool, ctx->code->bstr_pool_size*2*sizeof(BSTR));
233 ctx->code->bstr_pool = new_pool;
234 ctx->code->bstr_pool_size *= 2;
237 ctx->code->bstr_pool[ctx->code->bstr_cnt] = SysAllocString(str);
238 if(!ctx->code->bstr_pool[ctx->code->bstr_cnt])
241 return ctx->code->bstr_pool[ctx->code->bstr_cnt++];
244 static HRESULT push_instr_bstr(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg)
249 bstr = alloc_bstr_arg(ctx, arg);
251 return E_OUTOFMEMORY;
253 instr = push_instr(ctx, op);
255 return E_OUTOFMEMORY;
257 instr_ptr(ctx, instr)->arg1.bstr = bstr;
261 static HRESULT push_instr_bstr_uint(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg1, unsigned arg2)
266 bstr = alloc_bstr_arg(ctx, arg1);
268 return E_OUTOFMEMORY;
270 instr = push_instr(ctx, op);
272 return E_OUTOFMEMORY;
274 instr_ptr(ctx, instr)->arg1.bstr = bstr;
275 instr_ptr(ctx, instr)->arg2.uint = arg2;
279 #define LABEL_FLAG 0x80000000
281 static unsigned alloc_label(compile_ctx_t *ctx)
283 if(!ctx->labels_size) {
284 ctx->labels = heap_alloc(8 * sizeof(*ctx->labels));
287 ctx->labels_size = 8;
288 }else if(ctx->labels_size == ctx->labels_cnt) {
289 unsigned *new_labels;
291 new_labels = heap_realloc(ctx->labels, 2*ctx->labels_size*sizeof(*ctx->labels));
295 ctx->labels = new_labels;
296 ctx->labels_size *= 2;
299 return ctx->labels_cnt++ | LABEL_FLAG;
302 static inline void label_set_addr(compile_ctx_t *ctx, unsigned label)
304 assert(label & LABEL_FLAG);
305 ctx->labels[label & ~LABEL_FLAG] = ctx->instr_cnt;
308 static expression_t *lookup_const_decls(compile_ctx_t *ctx, const WCHAR *name, BOOL lookup_global)
312 for(decl = ctx->const_decls; decl; decl = decl->next) {
313 if(!strcmpiW(decl->name, name))
314 return decl->value_expr;
320 for(decl = ctx->global_consts; decl; decl = decl->next) {
321 if(!strcmpiW(decl->name, name))
322 return decl->value_expr;
328 static HRESULT compile_args(compile_ctx_t *ctx, expression_t *args, unsigned *ret)
330 unsigned arg_cnt = 0;
334 hres = compile_expression(ctx, args);
346 static HRESULT compile_member_expression(compile_ctx_t *ctx, member_expression_t *expr, BOOL ret_val)
348 unsigned arg_cnt = 0;
351 if(ret_val && !expr->args) {
352 expression_t *const_expr;
354 const_expr = lookup_const_decls(ctx, expr->identifier, TRUE);
356 return compile_expression(ctx, const_expr);
359 hres = compile_args(ctx, expr->args, &arg_cnt);
364 hres = compile_expression(ctx, expr->obj_expr);
368 hres = push_instr_bstr_uint(ctx, ret_val ? OP_mcall : OP_mcallv, expr->identifier, arg_cnt);
370 hres = push_instr_bstr_uint(ctx, ret_val ? OP_icall : OP_icallv, expr->identifier, arg_cnt);
376 static HRESULT compile_unary_expression(compile_ctx_t *ctx, unary_expression_t *expr, vbsop_t op)
380 hres = compile_expression(ctx, expr->subexpr);
384 return push_instr(ctx, op) == -1 ? E_OUTOFMEMORY : S_OK;
387 static HRESULT compile_binary_expression(compile_ctx_t *ctx, binary_expression_t *expr, vbsop_t op)
391 hres = compile_expression(ctx, expr->left);
395 hres = compile_expression(ctx, expr->right);
399 return push_instr(ctx, op) == -1 ? E_OUTOFMEMORY : S_OK;
402 static HRESULT compile_expression(compile_ctx_t *ctx, expression_t *expr)
406 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_add);
408 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_and);
410 return push_instr_int(ctx, OP_bool, ((bool_expression_t*)expr)->value);
412 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_concat);
414 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_div);
416 return push_instr_double(ctx, OP_double, ((double_expression_t*)expr)->value);
418 return push_instr(ctx, OP_empty) != -1 ? S_OK : E_OUTOFMEMORY;
420 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_equal);
422 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_eqv);
424 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_exp);
426 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gt);
428 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gteq);
430 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_idiv);
432 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_is);
434 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_imp);
436 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lt);
438 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lteq);
440 return push_instr(ctx, OP_me) != -1 ? S_OK : E_OUTOFMEMORY;
442 return compile_member_expression(ctx, (member_expression_t*)expr, TRUE);
444 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mod);
446 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mul);
448 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_neg);
450 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_nequal);
452 return push_instr_str(ctx, OP_new, ((string_expression_t*)expr)->value);
454 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_not);
456 return push_instr(ctx, OP_nothing) != -1 ? S_OK : E_OUTOFMEMORY;
458 return push_instr(ctx, OP_null) != -1 ? S_OK : E_OUTOFMEMORY;
460 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_or);
462 return push_instr_str(ctx, OP_string, ((string_expression_t*)expr)->value);
464 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_sub);
466 return push_instr_int(ctx, OP_short, ((int_expression_t*)expr)->value);
468 return push_instr_int(ctx, OP_long, ((int_expression_t*)expr)->value);
470 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_xor);
472 FIXME("Unimplemented expression type %d\n", expr->type);
479 static HRESULT compile_if_statement(compile_ctx_t *ctx, if_statement_t *stat)
481 unsigned cnd_jmp, endif_label = -1;
482 elseif_decl_t *elseif_decl;
485 hres = compile_expression(ctx, stat->expr);
489 cnd_jmp = push_instr(ctx, OP_jmp_false);
491 return E_OUTOFMEMORY;
493 hres = compile_statement(ctx, stat->if_stat);
497 if(stat->else_stat || stat->elseifs) {
498 endif_label = alloc_label(ctx);
499 if(endif_label == -1)
500 return E_OUTOFMEMORY;
502 hres = push_instr_addr(ctx, OP_jmp, endif_label);
507 for(elseif_decl = stat->elseifs; elseif_decl; elseif_decl = elseif_decl->next) {
508 instr_ptr(ctx, cnd_jmp)->arg1.uint = ctx->instr_cnt;
510 hres = compile_expression(ctx, elseif_decl->expr);
514 cnd_jmp = push_instr(ctx, OP_jmp_false);
516 return E_OUTOFMEMORY;
518 hres = compile_statement(ctx, elseif_decl->stat);
522 hres = push_instr_addr(ctx, OP_jmp, endif_label);
527 instr_ptr(ctx, cnd_jmp)->arg1.uint = ctx->instr_cnt;
529 if(stat->else_stat) {
530 hres = compile_statement(ctx, stat->else_stat);
535 if(endif_label != -1)
536 label_set_addr(ctx, endif_label);
540 static HRESULT compile_while_statement(compile_ctx_t *ctx, while_statement_t *stat)
542 unsigned start_addr, prev_label;
546 start_addr = ctx->instr_cnt;
548 hres = compile_expression(ctx, stat->expr);
552 jmp_end = push_instr(ctx, stat->stat.type == STAT_UNTIL ? OP_jmp_true : OP_jmp_false);
554 return E_OUTOFMEMORY;
556 prev_label = ctx->while_end_label;
557 if(stat->stat.type != STAT_WHILE && (ctx->while_end_label = alloc_label(ctx)) == -1)
558 return E_OUTOFMEMORY;
560 hres = compile_statement(ctx, stat->body);
564 hres = push_instr_addr(ctx, OP_jmp, start_addr);
568 instr_ptr(ctx, jmp_end)->arg1.uint = ctx->instr_cnt;
570 if(stat->stat.type != STAT_WHILE) {
571 label_set_addr(ctx, ctx->while_end_label);
572 ctx->while_end_label = prev_label;
578 static HRESULT compile_dowhile_statement(compile_ctx_t *ctx, while_statement_t *stat)
580 unsigned start_addr, prev_label;
583 start_addr = ctx->instr_cnt;
585 prev_label = ctx->while_end_label;
586 if((ctx->while_end_label = alloc_label(ctx)) == -1)
587 return E_OUTOFMEMORY;
589 hres = compile_statement(ctx, stat->body);
593 hres = compile_expression(ctx, stat->expr);
597 hres = push_instr_addr(ctx, stat->stat.type == STAT_DOUNTIL ? OP_jmp_false : OP_jmp_true, start_addr);
601 label_set_addr(ctx, ctx->while_end_label);
602 ctx->while_end_label = prev_label;
606 static HRESULT compile_assign_statement(compile_ctx_t *ctx, assign_statement_t *stat, BOOL is_set)
610 hres = compile_expression(ctx, stat->value_expr);
614 if(stat->member_expr->args) {
615 FIXME("arguments support not implemented\n");
619 if(stat->member_expr->obj_expr) {
620 hres = compile_expression(ctx, stat->member_expr->obj_expr);
624 hres = push_instr_bstr(ctx, is_set ? OP_set_member : OP_assign_member, stat->member_expr->identifier);
626 hres = push_instr_bstr(ctx, is_set ? OP_set_ident : OP_assign_ident, stat->member_expr->identifier);
632 static BOOL lookup_dim_decls(compile_ctx_t *ctx, const WCHAR *name)
634 dim_decl_t *dim_decl;
636 for(dim_decl = ctx->dim_decls; dim_decl; dim_decl = dim_decl->next) {
637 if(!strcmpiW(dim_decl->name, name))
644 static BOOL lookup_args_name(compile_ctx_t *ctx, const WCHAR *name)
648 for(i = 0; i < ctx->func->arg_cnt; i++) {
649 if(!strcmpiW(ctx->func->args[i].name, name))
656 static HRESULT compile_dim_statement(compile_ctx_t *ctx, dim_statement_t *stat)
658 dim_decl_t *dim_decl = stat->dim_decls;
661 if(lookup_dim_decls(ctx, dim_decl->name) || lookup_args_name(ctx, dim_decl->name)
662 || lookup_const_decls(ctx, dim_decl->name, FALSE)) {
663 FIXME("dim %s name redefined\n", debugstr_w(dim_decl->name));
669 dim_decl = dim_decl->next;
672 dim_decl->next = ctx->dim_decls;
673 ctx->dim_decls = stat->dim_decls;
674 ctx->func->var_cnt++;
678 static HRESULT compile_const_statement(compile_ctx_t *ctx, const_statement_t *stat)
680 const_decl_t *decl, *next_decl = stat->decls;
685 if(lookup_const_decls(ctx, decl->name, FALSE) || lookup_args_name(ctx, decl->name)
686 || lookup_dim_decls(ctx, decl->name)) {
687 FIXME("%s redefined\n", debugstr_w(decl->name));
691 if(ctx->func->type == FUNC_GLOBAL) {
694 hres = compile_expression(ctx, decl->value_expr);
698 hres = push_instr_bstr(ctx, OP_const, decl->name);
703 next_decl = decl->next;
704 decl->next = ctx->const_decls;
705 ctx->const_decls = decl;
711 static HRESULT compile_function_statement(compile_ctx_t *ctx, function_statement_t *stat)
713 if(ctx->func != &ctx->code->global_code) {
714 FIXME("Function is not in the global code\n");
718 stat->func_decl->next = ctx->func_decls;
719 ctx->func_decls = stat->func_decl;
723 static HRESULT compile_exitdo_statement(compile_ctx_t *ctx)
725 if(ctx->while_end_label == -1) {
726 FIXME("Exit Do outside Do Loop\n");
730 return push_instr_addr(ctx, OP_jmp, ctx->while_end_label);
733 static HRESULT compile_exitsub_statement(compile_ctx_t *ctx)
735 if(ctx->sub_end_label == -1) {
736 FIXME("Exit Sub outside Sub?\n");
740 return push_instr_addr(ctx, OP_jmp, ctx->sub_end_label);
743 static HRESULT compile_exitfunc_statement(compile_ctx_t *ctx)
745 if(ctx->func_end_label == -1) {
746 FIXME("Exit Function outside Function?\n");
750 return push_instr_addr(ctx, OP_jmp, ctx->func_end_label);
753 static HRESULT compile_exitprop_statement(compile_ctx_t *ctx)
755 if(ctx->prop_end_label == -1) {
756 FIXME("Exit Property outside Property?\n");
760 return push_instr_addr(ctx, OP_jmp, ctx->prop_end_label);
763 static HRESULT compile_onerror_statement(compile_ctx_t *ctx, onerror_statement_t *stat)
765 return push_instr_int(ctx, OP_errmode, stat->resume_next);
768 static HRESULT compile_statement(compile_ctx_t *ctx, statement_t *stat)
775 hres = compile_assign_statement(ctx, (assign_statement_t*)stat, FALSE);
778 hres = compile_member_expression(ctx, ((call_statement_t*)stat)->expr, FALSE);
781 hres = compile_const_statement(ctx, (const_statement_t*)stat);
784 hres = compile_dim_statement(ctx, (dim_statement_t*)stat);
788 hres = compile_dowhile_statement(ctx, (while_statement_t*)stat);
791 hres = compile_exitdo_statement(ctx);
794 hres = compile_exitfunc_statement(ctx);
797 hres = compile_exitprop_statement(ctx);
800 hres = compile_exitsub_statement(ctx);
803 hres = compile_function_statement(ctx, (function_statement_t*)stat);
806 hres = compile_if_statement(ctx, (if_statement_t*)stat);
809 hres = compile_onerror_statement(ctx, (onerror_statement_t*)stat);
812 hres = compile_assign_statement(ctx, (assign_statement_t*)stat, TRUE);
815 hres = push_instr(ctx, OP_stop) == -1 ? E_OUTOFMEMORY : S_OK;
820 hres = compile_while_statement(ctx, (while_statement_t*)stat);
823 FIXME("Unimplemented statement type %d\n", stat->type);
835 static void resolve_labels(compile_ctx_t *ctx, unsigned off)
839 for(instr = ctx->code->instrs+off; instr < ctx->code->instrs+ctx->instr_cnt; instr++) {
840 if(instr_info[instr->op].arg1_type == ARG_ADDR && (instr->arg1.uint & LABEL_FLAG)) {
841 assert((instr->arg1.uint & ~LABEL_FLAG) < ctx->labels_cnt);
842 instr->arg1.uint = ctx->labels[instr->arg1.uint & ~LABEL_FLAG];
844 assert(instr_info[instr->op].arg2_type != ARG_ADDR);
850 static HRESULT compile_func(compile_ctx_t *ctx, statement_t *stat, function_t *func)
854 func->code_off = ctx->instr_cnt;
856 ctx->while_end_label = -1;
857 ctx->sub_end_label = -1;
858 ctx->func_end_label = -1;
859 ctx->prop_end_label = -1;
863 ctx->func_end_label = alloc_label(ctx);
864 if(ctx->func_end_label == -1)
865 return E_OUTOFMEMORY; /* FIXME ! */
868 ctx->sub_end_label = alloc_label(ctx);
869 if(ctx->sub_end_label == -1)
870 return E_OUTOFMEMORY;
876 ctx->prop_end_label = alloc_label(ctx);
877 if(ctx->prop_end_label == -1)
878 return E_OUTOFMEMORY;
885 ctx->dim_decls = NULL;
886 ctx->const_decls = NULL;
887 hres = compile_statement(ctx, stat);
892 assert(ctx->while_end_label == -1);
894 if(ctx->sub_end_label != -1)
895 label_set_addr(ctx, ctx->sub_end_label);
896 if(ctx->func_end_label != -1)
897 label_set_addr(ctx, ctx->func_end_label);
898 if(ctx->prop_end_label != -1)
899 label_set_addr(ctx, ctx->prop_end_label);
901 if(push_instr(ctx, OP_ret) == -1)
902 return E_OUTOFMEMORY;
904 resolve_labels(ctx, func->code_off);
907 dim_decl_t *dim_decl;
909 if(func->type == FUNC_GLOBAL) {
910 dynamic_var_t *new_var;
914 for(dim_decl = ctx->dim_decls; dim_decl; dim_decl = dim_decl->next) {
915 new_var = compiler_alloc(ctx->code, sizeof(*new_var));
917 return E_OUTOFMEMORY;
919 new_var->name = compiler_alloc_string(ctx->code, dim_decl->name);
921 return E_OUTOFMEMORY;
923 V_VT(&new_var->v) = VT_EMPTY;
925 new_var->next = ctx->global_vars;
926 ctx->global_vars = new_var;
931 func->vars = compiler_alloc(ctx->code, func->var_cnt * sizeof(var_desc_t));
933 return E_OUTOFMEMORY;
935 for(dim_decl = ctx->dim_decls, i=0; dim_decl; dim_decl = dim_decl->next, i++) {
936 func->vars[i].name = compiler_alloc_string(ctx->code, dim_decl->name);
937 if(!func->vars[i].name)
938 return E_OUTOFMEMORY;
941 assert(i == func->var_cnt);
948 static BOOL lookup_funcs_name(compile_ctx_t *ctx, const WCHAR *name)
952 for(iter = ctx->funcs; iter; iter = iter->next) {
953 if(!strcmpiW(iter->name, name))
960 static HRESULT create_function(compile_ctx_t *ctx, function_decl_t *decl, function_t **ret)
965 if(lookup_dim_decls(ctx, decl->name) || lookup_funcs_name(ctx, decl->name) || lookup_const_decls(ctx, decl->name, FALSE)) {
966 FIXME("%s: redefinition\n", debugstr_w(decl->name));
970 func = compiler_alloc(ctx->code, sizeof(*func));
972 return E_OUTOFMEMORY;
974 func->name = compiler_alloc_string(ctx->code, decl->name);
976 return E_OUTOFMEMORY;
980 func->code_ctx = ctx->code;
981 func->type = decl->type;
982 func->is_public = decl->is_public;
989 for(arg = decl->args; arg; arg = arg->next)
992 func->args = compiler_alloc(ctx->code, func->arg_cnt * sizeof(arg_desc_t));
994 return E_OUTOFMEMORY;
996 for(i = 0, arg = decl->args; arg; arg = arg->next, i++) {
997 func->args[i].name = compiler_alloc_string(ctx->code, arg->name);
998 if(!func->args[i].name)
999 return E_OUTOFMEMORY;
1000 func->args[i].by_ref = arg->by_ref;
1006 hres = compile_func(ctx, decl->body, func);
1014 static BOOL lookup_class_name(compile_ctx_t *ctx, const WCHAR *name)
1018 for(iter = ctx->classes; iter; iter = iter->next) {
1019 if(!strcmpiW(iter->name, name))
1026 static HRESULT create_class_funcprop(compile_ctx_t *ctx, function_decl_t *func_decl, vbdisp_funcprop_desc_t *desc)
1028 vbdisp_invoke_type_t invoke_type;
1029 function_decl_t *funcprop_decl;
1032 desc->name = compiler_alloc_string(ctx->code, func_decl->name);
1034 return E_OUTOFMEMORY;
1036 for(funcprop_decl = func_decl; funcprop_decl; funcprop_decl = funcprop_decl->next_prop_func) {
1037 switch(funcprop_decl->type) {
1042 invoke_type = VBDISP_CALLGET;
1045 invoke_type = VBDISP_LET;
1048 invoke_type = VBDISP_SET;
1054 assert(!desc->entries[invoke_type]);
1056 if(funcprop_decl->is_public)
1057 desc->is_public = TRUE;
1059 hres = create_function(ctx, funcprop_decl, desc->entries+invoke_type);
1067 static BOOL lookup_class_funcs(class_desc_t *class_desc, const WCHAR *name)
1071 for(i=0; i < class_desc->func_cnt; i++) {
1072 if(class_desc->funcs[i].name && !strcmpiW(class_desc->funcs[i].name, name))
1079 static HRESULT compile_class(compile_ctx_t *ctx, class_decl_t *class_decl)
1081 function_decl_t *func_decl, *func_prop_decl;
1082 class_prop_decl_t *prop_decl;
1083 class_desc_t *class_desc;
1087 static const WCHAR class_initializeW[] = {'c','l','a','s','s','_','i','n','i','t','i','a','l','i','z','e',0};
1088 static const WCHAR class_terminateW[] = {'c','l','a','s','s','_','t','e','r','m','i','n','a','t','e',0};
1090 if(lookup_dim_decls(ctx, class_decl->name) || lookup_funcs_name(ctx, class_decl->name)
1091 || lookup_const_decls(ctx, class_decl->name, FALSE) || lookup_class_name(ctx, class_decl->name)) {
1092 FIXME("%s: redefinition\n", debugstr_w(class_decl->name));
1096 class_desc = compiler_alloc_zero(ctx->code, sizeof(*class_desc));
1098 return E_OUTOFMEMORY;
1100 class_desc->name = compiler_alloc_string(ctx->code, class_decl->name);
1101 if(!class_desc->name)
1102 return E_OUTOFMEMORY;
1104 class_desc->func_cnt = 1; /* always allocate slot for default getter */
1106 for(func_decl = class_decl->funcs; func_decl; func_decl = func_decl->next) {
1107 for(func_prop_decl = func_decl; func_prop_decl; func_prop_decl = func_prop_decl->next_prop_func) {
1108 if(func_prop_decl->type == FUNC_DEFGET)
1112 class_desc->func_cnt++;
1115 class_desc->funcs = compiler_alloc(ctx->code, class_desc->func_cnt*sizeof(*class_desc->funcs));
1116 if(!class_desc->funcs)
1117 return E_OUTOFMEMORY;
1118 memset(class_desc->funcs, 0, class_desc->func_cnt*sizeof(*class_desc->funcs));
1120 for(func_decl = class_decl->funcs, i=1; func_decl; func_decl = func_decl->next, i++) {
1121 for(func_prop_decl = func_decl; func_prop_decl; func_prop_decl = func_prop_decl->next_prop_func) {
1122 if(func_prop_decl->type == FUNC_DEFGET) {
1128 if(!strcmpiW(class_initializeW, func_decl->name)) {
1129 if(func_decl->type != FUNC_SUB) {
1130 FIXME("class initializer is not sub\n");
1134 class_desc->class_initialize_id = i;
1135 }else if(!strcmpiW(class_terminateW, func_decl->name)) {
1136 if(func_decl->type != FUNC_SUB) {
1137 FIXME("class terminator is not sub\n");
1141 class_desc->class_terminate_id = i;
1144 hres = create_class_funcprop(ctx, func_decl, class_desc->funcs + (func_prop_decl ? 0 : i));
1149 for(prop_decl = class_decl->props; prop_decl; prop_decl = prop_decl->next)
1150 class_desc->prop_cnt++;
1152 class_desc->props = compiler_alloc(ctx->code, class_desc->prop_cnt*sizeof(*class_desc->props));
1153 if(!class_desc->props)
1154 return E_OUTOFMEMORY;
1156 for(prop_decl = class_decl->props, i=0; prop_decl; prop_decl = prop_decl->next, i++) {
1157 if(lookup_class_funcs(class_desc, prop_decl->name)) {
1158 FIXME("Property %s redefined\n", debugstr_w(prop_decl->name));
1162 class_desc->props[i].name = compiler_alloc_string(ctx->code, prop_decl->name);
1163 if(!class_desc->props[i].name)
1164 return E_OUTOFMEMORY;
1166 class_desc->props[i].is_public = prop_decl->is_public;
1169 class_desc->next = ctx->classes;
1170 ctx->classes = class_desc;
1174 static BOOL lookup_script_identifier(script_ctx_t *script, const WCHAR *identifier)
1176 class_desc_t *class;
1180 for(var = script->global_vars; var; var = var->next) {
1181 if(!strcmpiW(var->name, identifier))
1185 for(func = script->global_funcs; func; func = func->next) {
1186 if(!strcmpiW(func->name, identifier))
1190 for(class = script->classes; class; class = class->next) {
1191 if(!strcmpiW(class->name, identifier))
1198 static HRESULT check_script_collisions(compile_ctx_t *ctx, script_ctx_t *script)
1200 class_desc_t *class;
1204 for(var = ctx->global_vars; var; var = var->next) {
1205 if(lookup_script_identifier(script, var->name)) {
1206 FIXME("%s: redefined\n", debugstr_w(var->name));
1211 for(func = ctx->funcs; func; func = func->next) {
1212 if(lookup_script_identifier(script, func->name)) {
1213 FIXME("%s: redefined\n", debugstr_w(func->name));
1218 for(class = ctx->classes; class; class = class->next) {
1219 if(lookup_script_identifier(script, class->name)) {
1220 FIXME("%s: redefined\n", debugstr_w(class->name));
1228 void release_vbscode(vbscode_t *code)
1232 list_remove(&code->entry);
1234 for(i=0; i < code->bstr_cnt; i++)
1235 SysFreeString(code->bstr_pool[i]);
1237 vbsheap_free(&code->heap);
1239 heap_free(code->bstr_pool);
1240 heap_free(code->source);
1241 heap_free(code->instrs);
1245 static vbscode_t *alloc_vbscode(compile_ctx_t *ctx, const WCHAR *source)
1249 ret = heap_alloc(sizeof(*ret));
1253 ret->source = heap_strdupW(source);
1259 ret->instrs = heap_alloc(32*sizeof(instr_t));
1261 release_vbscode(ret);
1266 ctx->instr_size = 32;
1267 vbsheap_init(&ret->heap);
1269 ret->option_explicit = ctx->parser.option_explicit;
1271 ret->bstr_pool = NULL;
1272 ret->bstr_pool_size = 0;
1274 ret->global_executed = FALSE;
1276 ret->global_code.type = FUNC_GLOBAL;
1277 ret->global_code.name = NULL;
1278 ret->global_code.code_ctx = ret;
1279 ret->global_code.vars = NULL;
1280 ret->global_code.var_cnt = 0;
1281 ret->global_code.arg_cnt = 0;
1282 ret->global_code.args = NULL;
1284 list_init(&ret->entry);
1288 static void release_compiler(compile_ctx_t *ctx)
1290 parser_release(&ctx->parser);
1291 heap_free(ctx->labels);
1293 release_vbscode(ctx->code);
1296 HRESULT compile_script(script_ctx_t *script, const WCHAR *src, vbscode_t **ret)
1298 function_t *new_func;
1299 function_decl_t *func_decl;
1300 class_decl_t *class_decl;
1305 hres = parse_script(&ctx.parser, src);
1309 code = ctx.code = alloc_vbscode(&ctx, src);
1311 return E_OUTOFMEMORY;
1314 ctx.func_decls = NULL;
1315 ctx.global_vars = NULL;
1316 ctx.dim_decls = NULL;
1319 ctx.global_consts = NULL;
1320 ctx.labels_cnt = ctx.labels_size = 0;
1322 hres = compile_func(&ctx, ctx.parser.stats, &ctx.code->global_code);
1324 release_compiler(&ctx);
1328 ctx.global_consts = ctx.const_decls;
1330 for(func_decl = ctx.func_decls; func_decl; func_decl = func_decl->next) {
1331 hres = create_function(&ctx, func_decl, &new_func);
1333 release_compiler(&ctx);
1337 new_func->next = ctx.funcs;
1338 ctx.funcs = new_func;
1341 for(class_decl = ctx.parser.class_decls; class_decl; class_decl = class_decl->next) {
1342 hres = compile_class(&ctx, class_decl);
1344 release_compiler(&ctx);
1349 hres = check_script_collisions(&ctx, script);
1351 release_compiler(&ctx);
1355 if(ctx.global_vars) {
1358 for(var = ctx.global_vars; var->next; var = var->next);
1360 var->next = script->global_vars;
1361 script->global_vars = ctx.global_vars;
1365 for(new_func = ctx.funcs; new_func->next; new_func = new_func->next);
1367 new_func->next = script->global_funcs;
1368 script->global_funcs = ctx.funcs;
1372 class_desc_t *class = ctx.classes;
1375 class->ctx = script;
1378 class = class->next;
1381 class->next = script->classes;
1382 script->classes = ctx.classes;
1385 if(TRACE_ON(vbscript_disas))
1389 release_compiler(&ctx);
1391 list_add_tail(&script->code_list, &code->entry);