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;
51 function_decl_t *func_decls;
53 class_desc_t *classes;
56 static HRESULT compile_expression(compile_ctx_t*,expression_t*);
57 static HRESULT compile_statement(compile_ctx_t*,statement_t*);
61 instr_arg_type_t arg1_type;
62 instr_arg_type_t arg2_type;
64 #define X(n,a,b,c) {#n,b,c},
69 static void dump_instr_arg(instr_arg_type_t type, instr_arg_t *arg)
74 TRACE_(vbscript_disas)("\t%s", debugstr_w(arg->str));
77 TRACE_(vbscript_disas)("\t%d", arg->uint);
81 TRACE_(vbscript_disas)("\t%u", arg->uint);
84 TRACE_(vbscript_disas)("\t%lf", *arg->dbl);
93 static void dump_code(compile_ctx_t *ctx)
97 for(instr = ctx->code->instrs; instr < ctx->code->instrs+ctx->instr_cnt; instr++) {
98 TRACE_(vbscript_disas)("%d:\t%s", (int)(instr-ctx->code->instrs), instr_info[instr->op].op_str);
99 dump_instr_arg(instr_info[instr->op].arg1_type, &instr->arg1);
100 dump_instr_arg(instr_info[instr->op].arg2_type, &instr->arg2);
101 TRACE_(vbscript_disas)("\n");
105 static inline void *compiler_alloc(vbscode_t *vbscode, size_t size)
107 return vbsheap_alloc(&vbscode->heap, size);
110 static inline void *compiler_alloc_zero(vbscode_t *vbscode, size_t size)
114 ret = vbsheap_alloc(&vbscode->heap, size);
116 memset(ret, 0, size);
120 static WCHAR *compiler_alloc_string(vbscode_t *vbscode, const WCHAR *str)
125 size = (strlenW(str)+1)*sizeof(WCHAR);
126 ret = compiler_alloc(vbscode, size);
128 memcpy(ret, str, size);
132 static inline instr_t *instr_ptr(compile_ctx_t *ctx, unsigned id)
134 assert(id < ctx->instr_cnt);
135 return ctx->code->instrs + id;
138 static unsigned push_instr(compile_ctx_t *ctx, vbsop_t op)
140 assert(ctx->instr_size && ctx->instr_size >= ctx->instr_cnt);
142 if(ctx->instr_size == ctx->instr_cnt) {
145 new_instr = heap_realloc(ctx->code->instrs, ctx->instr_size*2*sizeof(instr_t));
149 ctx->code->instrs = new_instr;
150 ctx->instr_size *= 2;
153 ctx->code->instrs[ctx->instr_cnt].op = op;
154 return ctx->instr_cnt++;
157 static HRESULT push_instr_int(compile_ctx_t *ctx, vbsop_t op, LONG arg)
161 ret = push_instr(ctx, op);
163 return E_OUTOFMEMORY;
165 instr_ptr(ctx, ret)->arg1.lng = arg;
169 static HRESULT push_instr_addr(compile_ctx_t *ctx, vbsop_t op, unsigned arg)
173 ret = push_instr(ctx, op);
175 return E_OUTOFMEMORY;
177 instr_ptr(ctx, ret)->arg1.uint = arg;
181 static HRESULT push_instr_str(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg)
186 str = compiler_alloc_string(ctx->code, arg);
188 return E_OUTOFMEMORY;
190 instr = push_instr(ctx, op);
192 return E_OUTOFMEMORY;
194 instr_ptr(ctx, instr)->arg1.str = str;
198 static HRESULT push_instr_double(compile_ctx_t *ctx, vbsop_t op, double arg)
203 d = compiler_alloc(ctx->code, sizeof(double));
205 return E_OUTOFMEMORY;
207 instr = push_instr(ctx, op);
209 return E_OUTOFMEMORY;
212 instr_ptr(ctx, instr)->arg1.dbl = d;
216 static BSTR alloc_bstr_arg(compile_ctx_t *ctx, const WCHAR *str)
218 if(!ctx->code->bstr_pool_size) {
219 ctx->code->bstr_pool = heap_alloc(8 * sizeof(BSTR));
220 if(!ctx->code->bstr_pool)
222 ctx->code->bstr_pool_size = 8;
223 }else if(ctx->code->bstr_pool_size == ctx->code->bstr_cnt) {
226 new_pool = heap_realloc(ctx->code->bstr_pool, ctx->code->bstr_pool_size*2*sizeof(BSTR));
230 ctx->code->bstr_pool = new_pool;
231 ctx->code->bstr_pool_size *= 2;
234 ctx->code->bstr_pool[ctx->code->bstr_cnt] = SysAllocString(str);
235 if(!ctx->code->bstr_pool[ctx->code->bstr_cnt])
238 return ctx->code->bstr_pool[ctx->code->bstr_cnt++];
241 static HRESULT push_instr_bstr(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg)
246 bstr = alloc_bstr_arg(ctx, arg);
248 return E_OUTOFMEMORY;
250 instr = push_instr(ctx, op);
252 return E_OUTOFMEMORY;
254 instr_ptr(ctx, instr)->arg1.bstr = bstr;
258 static HRESULT push_instr_bstr_uint(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg1, unsigned arg2)
263 bstr = alloc_bstr_arg(ctx, arg1);
265 return E_OUTOFMEMORY;
267 instr = push_instr(ctx, op);
269 return E_OUTOFMEMORY;
271 instr_ptr(ctx, instr)->arg1.bstr = bstr;
272 instr_ptr(ctx, instr)->arg2.uint = arg2;
276 #define LABEL_FLAG 0x80000000
278 static unsigned alloc_label(compile_ctx_t *ctx)
280 if(!ctx->labels_size) {
281 ctx->labels = heap_alloc(8 * sizeof(*ctx->labels));
284 ctx->labels_size = 8;
285 }else if(ctx->labels_size == ctx->labels_cnt) {
286 unsigned *new_labels;
288 new_labels = heap_realloc(ctx->labels, 2*ctx->labels_size*sizeof(*ctx->labels));
292 ctx->labels = new_labels;
293 ctx->labels_size *= 2;
296 return ctx->labels_cnt++ | LABEL_FLAG;
299 static inline void label_set_addr(compile_ctx_t *ctx, unsigned label)
301 assert(label & LABEL_FLAG);
302 ctx->labels[label & ~LABEL_FLAG] = ctx->instr_cnt;
305 static HRESULT compile_args(compile_ctx_t *ctx, expression_t *args, unsigned *ret)
307 unsigned arg_cnt = 0;
311 hres = compile_expression(ctx, args);
323 static HRESULT compile_member_expression(compile_ctx_t *ctx, member_expression_t *expr, BOOL ret_val)
325 unsigned arg_cnt = 0;
328 hres = compile_args(ctx, expr->args, &arg_cnt);
333 hres = compile_expression(ctx, expr->obj_expr);
337 hres = push_instr_bstr_uint(ctx, ret_val ? OP_mcall : OP_mcallv, expr->identifier, arg_cnt);
339 hres = push_instr_bstr_uint(ctx, ret_val ? OP_icall : OP_icallv, expr->identifier, arg_cnt);
345 static HRESULT compile_unary_expression(compile_ctx_t *ctx, unary_expression_t *expr, vbsop_t op)
349 hres = compile_expression(ctx, expr->subexpr);
353 return push_instr(ctx, op) == -1 ? E_OUTOFMEMORY : S_OK;
356 static HRESULT compile_binary_expression(compile_ctx_t *ctx, binary_expression_t *expr, vbsop_t op)
360 hres = compile_expression(ctx, expr->left);
364 hres = compile_expression(ctx, expr->right);
368 return push_instr(ctx, op) == -1 ? E_OUTOFMEMORY : S_OK;
371 static HRESULT compile_expression(compile_ctx_t *ctx, expression_t *expr)
375 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_add);
377 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_and);
379 return push_instr_int(ctx, OP_bool, ((bool_expression_t*)expr)->value);
381 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_concat);
383 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_div);
385 return push_instr_double(ctx, OP_double, ((double_expression_t*)expr)->value);
387 return push_instr(ctx, OP_empty) != -1 ? S_OK : E_OUTOFMEMORY;
389 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_equal);
391 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_eqv);
393 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_exp);
395 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gt);
397 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gteq);
399 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_idiv);
401 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_is);
403 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_imp);
405 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lt);
407 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lteq);
409 return push_instr(ctx, OP_me) != -1 ? S_OK : E_OUTOFMEMORY;
411 return compile_member_expression(ctx, (member_expression_t*)expr, TRUE);
413 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mod);
415 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mul);
417 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_neg);
419 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_nequal);
421 return push_instr_str(ctx, OP_new, ((string_expression_t*)expr)->value);
423 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_not);
425 return push_instr(ctx, OP_nothing) != -1 ? S_OK : E_OUTOFMEMORY;
427 return push_instr(ctx, OP_null) != -1 ? S_OK : E_OUTOFMEMORY;
429 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_or);
431 return push_instr_str(ctx, OP_string, ((string_expression_t*)expr)->value);
433 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_sub);
435 return push_instr_int(ctx, OP_short, ((int_expression_t*)expr)->value);
437 return push_instr_int(ctx, OP_long, ((int_expression_t*)expr)->value);
439 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_xor);
441 FIXME("Unimplemented expression type %d\n", expr->type);
448 static HRESULT compile_if_statement(compile_ctx_t *ctx, if_statement_t *stat)
450 unsigned cnd_jmp, endif_label = -1;
451 elseif_decl_t *elseif_decl;
454 hres = compile_expression(ctx, stat->expr);
458 cnd_jmp = push_instr(ctx, OP_jmp_false);
460 return E_OUTOFMEMORY;
462 hres = compile_statement(ctx, stat->if_stat);
466 if(stat->else_stat || stat->elseifs) {
467 endif_label = alloc_label(ctx);
468 if(endif_label == -1)
469 return E_OUTOFMEMORY;
471 hres = push_instr_addr(ctx, OP_jmp, endif_label);
476 for(elseif_decl = stat->elseifs; elseif_decl; elseif_decl = elseif_decl->next) {
477 instr_ptr(ctx, cnd_jmp)->arg1.uint = ctx->instr_cnt;
479 hres = compile_expression(ctx, elseif_decl->expr);
483 cnd_jmp = push_instr(ctx, OP_jmp_false);
485 return E_OUTOFMEMORY;
487 hres = compile_statement(ctx, elseif_decl->stat);
491 hres = push_instr_addr(ctx, OP_jmp, endif_label);
496 instr_ptr(ctx, cnd_jmp)->arg1.uint = ctx->instr_cnt;
498 if(stat->else_stat) {
499 hres = compile_statement(ctx, stat->else_stat);
504 if(endif_label != -1)
505 label_set_addr(ctx, endif_label);
509 static HRESULT compile_while_statement(compile_ctx_t *ctx, while_statement_t *stat)
511 unsigned start_addr, prev_label;
515 start_addr = ctx->instr_cnt;
517 hres = compile_expression(ctx, stat->expr);
521 jmp_end = push_instr(ctx, stat->stat.type == STAT_UNTIL ? OP_jmp_true : OP_jmp_false);
523 return E_OUTOFMEMORY;
525 prev_label = ctx->while_end_label;
526 if(stat->stat.type != STAT_WHILE && (ctx->while_end_label = alloc_label(ctx)) == -1)
527 return E_OUTOFMEMORY;
529 hres = compile_statement(ctx, stat->body);
533 hres = push_instr_addr(ctx, OP_jmp, start_addr);
537 instr_ptr(ctx, jmp_end)->arg1.uint = ctx->instr_cnt;
539 if(stat->stat.type != STAT_WHILE) {
540 label_set_addr(ctx, ctx->while_end_label);
541 ctx->while_end_label = prev_label;
547 static HRESULT compile_dowhile_statement(compile_ctx_t *ctx, while_statement_t *stat)
549 unsigned start_addr, prev_label;
552 start_addr = ctx->instr_cnt;
554 prev_label = ctx->while_end_label;
555 if((ctx->while_end_label = alloc_label(ctx)) == -1)
556 return E_OUTOFMEMORY;
558 hres = compile_statement(ctx, stat->body);
562 hres = compile_expression(ctx, stat->expr);
566 hres = push_instr_addr(ctx, stat->stat.type == STAT_DOUNTIL ? OP_jmp_false : OP_jmp_true, start_addr);
570 label_set_addr(ctx, ctx->while_end_label);
571 ctx->while_end_label = prev_label;
575 static HRESULT compile_assign_statement(compile_ctx_t *ctx, assign_statement_t *stat, BOOL is_set)
579 hres = compile_expression(ctx, stat->value_expr);
583 if(stat->member_expr->args) {
584 FIXME("arguments support not implemented\n");
588 if(stat->member_expr->obj_expr) {
589 hres = compile_expression(ctx, stat->member_expr->obj_expr);
593 hres = push_instr_bstr(ctx, is_set ? OP_set_member : OP_assign_member, stat->member_expr->identifier);
595 hres = push_instr_bstr(ctx, is_set ? OP_set_ident : OP_assign_ident, stat->member_expr->identifier);
601 static BOOL lookup_dim_decls(compile_ctx_t *ctx, const WCHAR *name)
603 dim_decl_t *dim_decl;
605 for(dim_decl = ctx->dim_decls; dim_decl; dim_decl = dim_decl->next) {
606 if(!strcmpiW(dim_decl->name, name))
613 static BOOL lookup_args_name(compile_ctx_t *ctx, const WCHAR *name)
617 for(i = 0; i < ctx->func->arg_cnt; i++) {
618 if(!strcmpiW(ctx->func->args[i].name, name))
625 static HRESULT compile_dim_statement(compile_ctx_t *ctx, dim_statement_t *stat)
627 dim_decl_t *dim_decl = stat->dim_decls;
630 if(lookup_dim_decls(ctx, dim_decl->name) || lookup_args_name(ctx, dim_decl->name)) {
631 FIXME("dim %s name redefined\n", debugstr_w(dim_decl->name));
637 dim_decl = dim_decl->next;
640 dim_decl->next = ctx->dim_decls;
641 ctx->dim_decls = stat->dim_decls;
642 ctx->func->var_cnt++;
646 static HRESULT compile_function_statement(compile_ctx_t *ctx, function_statement_t *stat)
648 if(ctx->func != &ctx->code->global_code) {
649 FIXME("Function is not in the global code\n");
653 stat->func_decl->next = ctx->func_decls;
654 ctx->func_decls = stat->func_decl;
658 static HRESULT compile_exitdo_statement(compile_ctx_t *ctx)
660 if(ctx->while_end_label == -1) {
661 FIXME("Exit Do outside Do Loop\n");
665 return push_instr_addr(ctx, OP_jmp, ctx->while_end_label);
668 static HRESULT compile_exitsub_statement(compile_ctx_t *ctx)
670 if(ctx->sub_end_label == -1) {
671 FIXME("Exit Sub outside Sub?\n");
675 return push_instr_addr(ctx, OP_jmp, ctx->sub_end_label);
678 static HRESULT compile_exitfunc_statement(compile_ctx_t *ctx)
680 if(ctx->func_end_label == -1) {
681 FIXME("Exit Function outside Function?\n");
685 return push_instr_addr(ctx, OP_jmp, ctx->func_end_label);
688 static HRESULT compile_exitprop_statement(compile_ctx_t *ctx)
690 if(ctx->prop_end_label == -1) {
691 FIXME("Exit Property outside Property?\n");
695 return push_instr_addr(ctx, OP_jmp, ctx->prop_end_label);
698 static HRESULT compile_onerror_statement(compile_ctx_t *ctx, onerror_statement_t *stat)
700 return push_instr_int(ctx, OP_errmode, stat->resume_next);
703 static HRESULT compile_statement(compile_ctx_t *ctx, statement_t *stat)
710 hres = compile_assign_statement(ctx, (assign_statement_t*)stat, FALSE);
713 hres = compile_member_expression(ctx, ((call_statement_t*)stat)->expr, FALSE);
716 hres = compile_dim_statement(ctx, (dim_statement_t*)stat);
720 hres = compile_dowhile_statement(ctx, (while_statement_t*)stat);
723 hres = compile_exitdo_statement(ctx);
726 hres = compile_exitfunc_statement(ctx);
729 hres = compile_exitprop_statement(ctx);
732 hres = compile_exitsub_statement(ctx);
735 hres = compile_function_statement(ctx, (function_statement_t*)stat);
738 hres = compile_if_statement(ctx, (if_statement_t*)stat);
741 hres = compile_onerror_statement(ctx, (onerror_statement_t*)stat);
744 hres = compile_assign_statement(ctx, (assign_statement_t*)stat, TRUE);
747 hres = push_instr(ctx, OP_stop) == -1 ? E_OUTOFMEMORY : S_OK;
752 hres = compile_while_statement(ctx, (while_statement_t*)stat);
755 FIXME("Unimplemented statement type %d\n", stat->type);
767 static void resolve_labels(compile_ctx_t *ctx, unsigned off)
771 for(instr = ctx->code->instrs+off; instr < ctx->code->instrs+ctx->instr_cnt; instr++) {
772 if(instr_info[instr->op].arg1_type == ARG_ADDR && (instr->arg1.uint & LABEL_FLAG)) {
773 assert((instr->arg1.uint & ~LABEL_FLAG) < ctx->labels_cnt);
774 instr->arg1.uint = ctx->labels[instr->arg1.uint & ~LABEL_FLAG];
776 assert(instr_info[instr->op].arg2_type != ARG_ADDR);
782 static HRESULT compile_func(compile_ctx_t *ctx, statement_t *stat, function_t *func)
786 func->code_off = ctx->instr_cnt;
788 ctx->while_end_label = -1;
789 ctx->sub_end_label = -1;
790 ctx->func_end_label = -1;
791 ctx->prop_end_label = -1;
795 ctx->func_end_label = alloc_label(ctx);
796 if(ctx->func_end_label == -1)
797 return E_OUTOFMEMORY; /* FIXME ! */
800 ctx->sub_end_label = alloc_label(ctx);
801 if(ctx->sub_end_label == -1)
802 return E_OUTOFMEMORY;
808 ctx->prop_end_label = alloc_label(ctx);
809 if(ctx->prop_end_label == -1)
810 return E_OUTOFMEMORY;
817 ctx->dim_decls = NULL;
818 hres = compile_statement(ctx, stat);
823 assert(ctx->while_end_label == -1);
825 if(ctx->sub_end_label != -1)
826 label_set_addr(ctx, ctx->sub_end_label);
827 if(ctx->func_end_label != -1)
828 label_set_addr(ctx, ctx->func_end_label);
829 if(ctx->prop_end_label != -1)
830 label_set_addr(ctx, ctx->prop_end_label);
832 if(push_instr(ctx, OP_ret) == -1)
833 return E_OUTOFMEMORY;
835 resolve_labels(ctx, func->code_off);
838 dim_decl_t *dim_decl;
840 if(func->type == FUNC_GLOBAL) {
841 dynamic_var_t *new_var;
845 for(dim_decl = ctx->dim_decls; dim_decl; dim_decl = dim_decl->next) {
846 new_var = compiler_alloc(ctx->code, sizeof(*new_var));
848 return E_OUTOFMEMORY;
850 new_var->name = compiler_alloc_string(ctx->code, dim_decl->name);
852 return E_OUTOFMEMORY;
854 V_VT(&new_var->v) = VT_EMPTY;
856 new_var->next = ctx->global_vars;
857 ctx->global_vars = new_var;
862 func->vars = compiler_alloc(ctx->code, func->var_cnt * sizeof(var_desc_t));
864 return E_OUTOFMEMORY;
866 for(dim_decl = ctx->dim_decls, i=0; dim_decl; dim_decl = dim_decl->next, i++) {
867 func->vars[i].name = compiler_alloc_string(ctx->code, dim_decl->name);
868 if(!func->vars[i].name)
869 return E_OUTOFMEMORY;
872 assert(i == func->var_cnt);
879 static BOOL lookup_funcs_name(compile_ctx_t *ctx, const WCHAR *name)
883 for(iter = ctx->funcs; iter; iter = iter->next) {
884 if(!strcmpiW(iter->name, name))
891 static HRESULT create_function(compile_ctx_t *ctx, function_decl_t *decl, function_t **ret)
896 if(lookup_dim_decls(ctx, decl->name) || lookup_funcs_name(ctx, decl->name)) {
897 FIXME("%s: redefinition\n", debugstr_w(decl->name));
901 func = compiler_alloc(ctx->code, sizeof(*func));
903 return E_OUTOFMEMORY;
905 func->name = compiler_alloc_string(ctx->code, decl->name);
907 return E_OUTOFMEMORY;
911 func->code_ctx = ctx->code;
912 func->type = decl->type;
913 func->is_public = decl->is_public;
920 for(arg = decl->args; arg; arg = arg->next)
923 func->args = compiler_alloc(ctx->code, func->arg_cnt * sizeof(arg_desc_t));
925 return E_OUTOFMEMORY;
927 for(i = 0, arg = decl->args; arg; arg = arg->next, i++) {
928 func->args[i].name = compiler_alloc_string(ctx->code, arg->name);
929 if(!func->args[i].name)
930 return E_OUTOFMEMORY;
931 func->args[i].by_ref = arg->by_ref;
937 hres = compile_func(ctx, decl->body, func);
945 static BOOL lookup_class_name(compile_ctx_t *ctx, const WCHAR *name)
949 for(iter = ctx->classes; iter; iter = iter->next) {
950 if(!strcmpiW(iter->name, name))
957 static HRESULT create_class_funcprop(compile_ctx_t *ctx, function_decl_t *func_decl, vbdisp_funcprop_desc_t *desc)
959 vbdisp_invoke_type_t invoke_type;
960 function_decl_t *funcprop_decl;
963 desc->name = compiler_alloc_string(ctx->code, func_decl->name);
965 return E_OUTOFMEMORY;
967 for(funcprop_decl = func_decl; funcprop_decl; funcprop_decl = funcprop_decl->next_prop_func) {
968 switch(funcprop_decl->type) {
973 invoke_type = VBDISP_CALLGET;
976 invoke_type = VBDISP_LET;
979 invoke_type = VBDISP_SET;
985 assert(!desc->entries[invoke_type]);
987 if(funcprop_decl->is_public)
988 desc->is_public = TRUE;
990 hres = create_function(ctx, funcprop_decl, desc->entries+invoke_type);
998 static BOOL lookup_class_funcs(class_desc_t *class_desc, const WCHAR *name)
1002 for(i=0; i < class_desc->func_cnt; i++) {
1003 if(class_desc->funcs[i].name && !strcmpiW(class_desc->funcs[i].name, name))
1010 static HRESULT compile_class(compile_ctx_t *ctx, class_decl_t *class_decl)
1012 function_decl_t *func_decl, *func_prop_decl;
1013 class_prop_decl_t *prop_decl;
1014 class_desc_t *class_desc;
1018 static const WCHAR class_initializeW[] = {'c','l','a','s','s','_','i','n','i','t','i','a','l','i','z','e',0};
1019 static const WCHAR class_terminateW[] = {'c','l','a','s','s','_','t','e','r','m','i','n','a','t','e',0};
1021 if(lookup_dim_decls(ctx, class_decl->name) || lookup_funcs_name(ctx, class_decl->name)
1022 || lookup_class_name(ctx, class_decl->name)) {
1023 FIXME("%s: redefinition\n", debugstr_w(class_decl->name));
1027 class_desc = compiler_alloc_zero(ctx->code, sizeof(*class_desc));
1029 return E_OUTOFMEMORY;
1031 class_desc->name = compiler_alloc_string(ctx->code, class_decl->name);
1032 if(!class_desc->name)
1033 return E_OUTOFMEMORY;
1035 class_desc->func_cnt = 1; /* always allocate slot for default getter */
1037 for(func_decl = class_decl->funcs; func_decl; func_decl = func_decl->next) {
1038 for(func_prop_decl = func_decl; func_prop_decl; func_prop_decl = func_prop_decl->next_prop_func) {
1039 if(func_prop_decl->type == FUNC_DEFGET)
1043 class_desc->func_cnt++;
1046 class_desc->funcs = compiler_alloc(ctx->code, class_desc->func_cnt*sizeof(*class_desc->funcs));
1047 if(!class_desc->funcs)
1048 return E_OUTOFMEMORY;
1049 memset(class_desc->funcs, 0, class_desc->func_cnt*sizeof(*class_desc->funcs));
1051 for(func_decl = class_decl->funcs, i=1; func_decl; func_decl = func_decl->next, i++) {
1052 for(func_prop_decl = func_decl; func_prop_decl; func_prop_decl = func_prop_decl->next_prop_func) {
1053 if(func_prop_decl->type == FUNC_DEFGET) {
1059 if(!strcmpiW(class_initializeW, func_decl->name)) {
1060 if(func_decl->type != FUNC_SUB) {
1061 FIXME("class initializer is not sub\n");
1065 class_desc->class_initialize_id = i;
1066 }else if(!strcmpiW(class_terminateW, func_decl->name)) {
1067 if(func_decl->type != FUNC_SUB) {
1068 FIXME("class terminator is not sub\n");
1072 class_desc->class_terminate_id = i;
1075 hres = create_class_funcprop(ctx, func_decl, class_desc->funcs + (func_prop_decl ? 0 : i));
1080 for(prop_decl = class_decl->props; prop_decl; prop_decl = prop_decl->next)
1081 class_desc->prop_cnt++;
1083 class_desc->props = compiler_alloc(ctx->code, class_desc->prop_cnt*sizeof(*class_desc->props));
1084 if(!class_desc->props)
1085 return E_OUTOFMEMORY;
1087 for(prop_decl = class_decl->props, i=0; prop_decl; prop_decl = prop_decl->next, i++) {
1088 if(lookup_class_funcs(class_desc, prop_decl->name)) {
1089 FIXME("Property %s redefined\n", debugstr_w(prop_decl->name));
1093 class_desc->props[i].name = compiler_alloc_string(ctx->code, prop_decl->name);
1094 if(!class_desc->props[i].name)
1095 return E_OUTOFMEMORY;
1097 class_desc->props[i].is_public = prop_decl->is_public;
1100 class_desc->next = ctx->classes;
1101 ctx->classes = class_desc;
1105 static BOOL lookup_script_identifier(script_ctx_t *script, const WCHAR *identifier)
1107 class_desc_t *class;
1111 for(var = script->global_vars; var; var = var->next) {
1112 if(!strcmpiW(var->name, identifier))
1116 for(func = script->global_funcs; func; func = func->next) {
1117 if(!strcmpiW(func->name, identifier))
1121 for(class = script->classes; class; class = class->next) {
1122 if(!strcmpiW(class->name, identifier))
1129 static HRESULT check_script_collisions(compile_ctx_t *ctx, script_ctx_t *script)
1131 class_desc_t *class;
1135 for(var = ctx->global_vars; var; var = var->next) {
1136 if(lookup_script_identifier(script, var->name)) {
1137 FIXME("%s: redefined\n", debugstr_w(var->name));
1142 for(func = ctx->funcs; func; func = func->next) {
1143 if(lookup_script_identifier(script, func->name)) {
1144 FIXME("%s: redefined\n", debugstr_w(func->name));
1149 for(class = ctx->classes; class; class = class->next) {
1150 if(lookup_script_identifier(script, class->name)) {
1151 FIXME("%s: redefined\n", debugstr_w(class->name));
1159 void release_vbscode(vbscode_t *code)
1163 list_remove(&code->entry);
1165 for(i=0; i < code->bstr_cnt; i++)
1166 SysFreeString(code->bstr_pool[i]);
1168 vbsheap_free(&code->heap);
1170 heap_free(code->bstr_pool);
1171 heap_free(code->source);
1172 heap_free(code->instrs);
1176 static vbscode_t *alloc_vbscode(compile_ctx_t *ctx, const WCHAR *source)
1180 ret = heap_alloc(sizeof(*ret));
1184 ret->source = heap_strdupW(source);
1190 ret->instrs = heap_alloc(32*sizeof(instr_t));
1192 release_vbscode(ret);
1197 ctx->instr_size = 32;
1198 vbsheap_init(&ret->heap);
1200 ret->option_explicit = ctx->parser.option_explicit;
1202 ret->bstr_pool = NULL;
1203 ret->bstr_pool_size = 0;
1205 ret->global_executed = FALSE;
1207 ret->global_code.type = FUNC_GLOBAL;
1208 ret->global_code.name = NULL;
1209 ret->global_code.code_ctx = ret;
1210 ret->global_code.vars = NULL;
1211 ret->global_code.var_cnt = 0;
1212 ret->global_code.arg_cnt = 0;
1213 ret->global_code.args = NULL;
1215 list_init(&ret->entry);
1219 static void release_compiler(compile_ctx_t *ctx)
1221 parser_release(&ctx->parser);
1222 heap_free(ctx->labels);
1224 release_vbscode(ctx->code);
1227 HRESULT compile_script(script_ctx_t *script, const WCHAR *src, vbscode_t **ret)
1229 function_t *new_func;
1230 function_decl_t *func_decl;
1231 class_decl_t *class_decl;
1236 hres = parse_script(&ctx.parser, src);
1240 code = ctx.code = alloc_vbscode(&ctx, src);
1242 return E_OUTOFMEMORY;
1245 ctx.func_decls = NULL;
1246 ctx.global_vars = NULL;
1247 ctx.dim_decls = NULL;
1250 ctx.labels_cnt = ctx.labels_size = 0;
1252 hres = compile_func(&ctx, ctx.parser.stats, &ctx.code->global_code);
1254 release_compiler(&ctx);
1258 for(func_decl = ctx.func_decls; func_decl; func_decl = func_decl->next) {
1259 hres = create_function(&ctx, func_decl, &new_func);
1261 release_compiler(&ctx);
1265 new_func->next = ctx.funcs;
1266 ctx.funcs = new_func;
1269 for(class_decl = ctx.parser.class_decls; class_decl; class_decl = class_decl->next) {
1270 hres = compile_class(&ctx, class_decl);
1272 release_compiler(&ctx);
1277 hres = check_script_collisions(&ctx, script);
1279 release_compiler(&ctx);
1283 if(ctx.global_vars) {
1286 for(var = ctx.global_vars; var->next; var = var->next);
1288 var->next = script->global_vars;
1289 script->global_vars = ctx.global_vars;
1293 for(new_func = ctx.funcs; new_func->next; new_func = new_func->next);
1295 new_func->next = script->global_funcs;
1296 script->global_funcs = ctx.funcs;
1300 class_desc_t *class = ctx.classes;
1303 class->ctx = script;
1306 class = class->next;
1309 class->next = script->classes;
1310 script->classes = ctx.classes;
1313 if(TRACE_ON(vbscript_disas))
1317 release_compiler(&ctx);
1319 list_add_tail(&script->code_list, &code->entry);