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 WCHAR *compiler_alloc_string(vbscode_t *vbscode, const WCHAR *str)
115 size = (strlenW(str)+1)*sizeof(WCHAR);
116 ret = compiler_alloc(vbscode, size);
118 memcpy(ret, str, size);
122 static inline instr_t *instr_ptr(compile_ctx_t *ctx, unsigned id)
124 assert(id < ctx->instr_cnt);
125 return ctx->code->instrs + id;
128 static unsigned push_instr(compile_ctx_t *ctx, vbsop_t op)
130 assert(ctx->instr_size && ctx->instr_size >= ctx->instr_cnt);
132 if(ctx->instr_size == ctx->instr_cnt) {
135 new_instr = heap_realloc(ctx->code->instrs, ctx->instr_size*2*sizeof(instr_t));
139 ctx->code->instrs = new_instr;
140 ctx->instr_size *= 2;
143 ctx->code->instrs[ctx->instr_cnt].op = op;
144 return ctx->instr_cnt++;
147 static HRESULT push_instr_int(compile_ctx_t *ctx, vbsop_t op, LONG arg)
151 ret = push_instr(ctx, op);
153 return E_OUTOFMEMORY;
155 instr_ptr(ctx, ret)->arg1.lng = arg;
159 static HRESULT push_instr_addr(compile_ctx_t *ctx, vbsop_t op, unsigned arg)
163 ret = push_instr(ctx, op);
165 return E_OUTOFMEMORY;
167 instr_ptr(ctx, ret)->arg1.uint = arg;
171 static HRESULT push_instr_str(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg)
176 str = compiler_alloc_string(ctx->code, arg);
178 return E_OUTOFMEMORY;
180 instr = push_instr(ctx, op);
182 return E_OUTOFMEMORY;
184 instr_ptr(ctx, instr)->arg1.str = str;
188 static HRESULT push_instr_double(compile_ctx_t *ctx, vbsop_t op, double arg)
193 d = compiler_alloc(ctx->code, sizeof(double));
195 return E_OUTOFMEMORY;
197 instr = push_instr(ctx, op);
199 return E_OUTOFMEMORY;
202 instr_ptr(ctx, instr)->arg1.dbl = d;
206 static BSTR alloc_bstr_arg(compile_ctx_t *ctx, const WCHAR *str)
208 if(!ctx->code->bstr_pool_size) {
209 ctx->code->bstr_pool = heap_alloc(8 * sizeof(BSTR));
210 if(!ctx->code->bstr_pool)
212 ctx->code->bstr_pool_size = 8;
213 }else if(ctx->code->bstr_pool_size == ctx->code->bstr_cnt) {
216 new_pool = heap_realloc(ctx->code->bstr_pool, ctx->code->bstr_pool_size*2*sizeof(BSTR));
220 ctx->code->bstr_pool = new_pool;
221 ctx->code->bstr_pool_size *= 2;
224 ctx->code->bstr_pool[ctx->code->bstr_cnt] = SysAllocString(str);
225 if(!ctx->code->bstr_pool[ctx->code->bstr_cnt])
228 return ctx->code->bstr_pool[ctx->code->bstr_cnt++];
231 static HRESULT push_instr_bstr(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg)
236 bstr = alloc_bstr_arg(ctx, arg);
238 return E_OUTOFMEMORY;
240 instr = push_instr(ctx, op);
242 return E_OUTOFMEMORY;
244 instr_ptr(ctx, instr)->arg1.bstr = bstr;
248 static HRESULT push_instr_bstr_uint(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg1, unsigned arg2)
253 bstr = alloc_bstr_arg(ctx, arg1);
255 return E_OUTOFMEMORY;
257 instr = push_instr(ctx, op);
259 return E_OUTOFMEMORY;
261 instr_ptr(ctx, instr)->arg1.bstr = bstr;
262 instr_ptr(ctx, instr)->arg2.uint = arg2;
266 #define LABEL_FLAG 0x80000000
268 static unsigned alloc_label(compile_ctx_t *ctx)
270 if(!ctx->labels_size) {
271 ctx->labels = heap_alloc(8 * sizeof(*ctx->labels));
274 ctx->labels_size = 8;
275 }else if(ctx->labels_size == ctx->labels_cnt) {
276 unsigned *new_labels;
278 new_labels = heap_realloc(ctx->labels, 2*ctx->labels_size*sizeof(*ctx->labels));
282 ctx->labels = new_labels;
283 ctx->labels_size *= 2;
286 return ctx->labels_cnt++ | LABEL_FLAG;
289 static inline void label_set_addr(compile_ctx_t *ctx, unsigned label)
291 assert(label & LABEL_FLAG);
292 ctx->labels[label & ~LABEL_FLAG] = ctx->instr_cnt;
295 static HRESULT compile_args(compile_ctx_t *ctx, expression_t *args, unsigned *ret)
297 unsigned arg_cnt = 0;
301 hres = compile_expression(ctx, args);
313 static HRESULT compile_member_expression(compile_ctx_t *ctx, member_expression_t *expr, BOOL ret_val)
315 unsigned arg_cnt = 0;
318 hres = compile_args(ctx, expr->args, &arg_cnt);
323 hres = compile_expression(ctx, expr->obj_expr);
327 hres = push_instr_bstr_uint(ctx, ret_val ? OP_mcall : OP_mcallv, expr->identifier, arg_cnt);
329 hres = push_instr_bstr_uint(ctx, ret_val ? OP_icall : OP_icallv, expr->identifier, arg_cnt);
335 static HRESULT compile_unary_expression(compile_ctx_t *ctx, unary_expression_t *expr, vbsop_t op)
339 hres = compile_expression(ctx, expr->subexpr);
343 return push_instr(ctx, op) == -1 ? E_OUTOFMEMORY : S_OK;
346 static HRESULT compile_binary_expression(compile_ctx_t *ctx, binary_expression_t *expr, vbsop_t op)
350 hres = compile_expression(ctx, expr->left);
354 hres = compile_expression(ctx, expr->right);
358 return push_instr(ctx, op) == -1 ? E_OUTOFMEMORY : S_OK;
361 static HRESULT compile_expression(compile_ctx_t *ctx, expression_t *expr)
365 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_add);
367 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_and);
369 return push_instr_int(ctx, OP_bool, ((bool_expression_t*)expr)->value);
371 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_concat);
373 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_div);
375 return push_instr_double(ctx, OP_double, ((double_expression_t*)expr)->value);
377 return push_instr(ctx, OP_empty) != -1 ? S_OK : E_OUTOFMEMORY;
379 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_equal);
381 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_eqv);
383 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_exp);
385 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gt);
387 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_gteq);
389 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_idiv);
391 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_imp);
393 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lt);
395 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lteq);
397 return compile_member_expression(ctx, (member_expression_t*)expr, TRUE);
399 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mod);
401 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mul);
403 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_neg);
405 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_nequal);
407 return push_instr_str(ctx, OP_new, ((string_expression_t*)expr)->value);
409 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_not);
411 return push_instr(ctx, OP_nothing) != -1 ? S_OK : E_OUTOFMEMORY;
413 return push_instr(ctx, OP_null) != -1 ? S_OK : E_OUTOFMEMORY;
415 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_or);
417 return push_instr_str(ctx, OP_string, ((string_expression_t*)expr)->value);
419 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_sub);
421 return push_instr_int(ctx, OP_short, ((int_expression_t*)expr)->value);
423 return push_instr_int(ctx, OP_long, ((int_expression_t*)expr)->value);
425 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_xor);
427 FIXME("Unimplemented expression type %d\n", expr->type);
434 static HRESULT compile_if_statement(compile_ctx_t *ctx, if_statement_t *stat)
436 unsigned cnd_jmp, endif_label = -1;
437 elseif_decl_t *elseif_decl;
440 hres = compile_expression(ctx, stat->expr);
444 cnd_jmp = push_instr(ctx, OP_jmp_false);
446 return E_OUTOFMEMORY;
448 hres = compile_statement(ctx, stat->if_stat);
452 if(stat->else_stat || stat->elseifs) {
453 endif_label = alloc_label(ctx);
454 if(endif_label == -1)
455 return E_OUTOFMEMORY;
457 hres = push_instr_addr(ctx, OP_jmp, endif_label);
462 for(elseif_decl = stat->elseifs; elseif_decl; elseif_decl = elseif_decl->next) {
463 instr_ptr(ctx, cnd_jmp)->arg1.uint = ctx->instr_cnt;
465 hres = compile_expression(ctx, elseif_decl->expr);
469 cnd_jmp = push_instr(ctx, OP_jmp_false);
471 return E_OUTOFMEMORY;
473 hres = compile_statement(ctx, elseif_decl->stat);
477 hres = push_instr_addr(ctx, OP_jmp, endif_label);
482 instr_ptr(ctx, cnd_jmp)->arg1.uint = ctx->instr_cnt;
484 if(stat->else_stat) {
485 hres = compile_statement(ctx, stat->else_stat);
490 if(endif_label != -1)
491 label_set_addr(ctx, endif_label);
495 static HRESULT compile_while_statement(compile_ctx_t *ctx, while_statement_t *stat)
497 unsigned start_addr, prev_label;
501 start_addr = ctx->instr_cnt;
503 hres = compile_expression(ctx, stat->expr);
507 jmp_end = push_instr(ctx, stat->stat.type == STAT_UNTIL ? OP_jmp_true : OP_jmp_false);
509 return E_OUTOFMEMORY;
511 if(stat->stat.type != STAT_WHILE) {
512 prev_label = ctx->while_end_label;
513 if((ctx->while_end_label = alloc_label(ctx)) == -1)
514 return E_OUTOFMEMORY;
517 hres = compile_statement(ctx, stat->body);
521 hres = push_instr_addr(ctx, OP_jmp, start_addr);
525 instr_ptr(ctx, jmp_end)->arg1.uint = ctx->instr_cnt;
527 if(stat->stat.type != STAT_WHILE) {
528 label_set_addr(ctx, ctx->while_end_label);
529 ctx->while_end_label = prev_label;
535 static HRESULT compile_dowhile_statement(compile_ctx_t *ctx, while_statement_t *stat)
537 unsigned start_addr, prev_label;
540 start_addr = ctx->instr_cnt;
542 prev_label = ctx->while_end_label;
543 if((ctx->while_end_label = alloc_label(ctx)) == -1)
544 return E_OUTOFMEMORY;
546 hres = compile_statement(ctx, stat->body);
550 hres = compile_expression(ctx, stat->expr);
554 hres = push_instr_addr(ctx, stat->stat.type == STAT_DOUNTIL ? OP_jmp_false : OP_jmp_true, start_addr);
558 label_set_addr(ctx, ctx->while_end_label);
559 ctx->while_end_label = prev_label;
563 static HRESULT compile_assign_statement(compile_ctx_t *ctx, assign_statement_t *stat, BOOL is_set)
567 hres = compile_expression(ctx, stat->value_expr);
571 if(stat->member_expr->args) {
572 FIXME("arguments support not implemented\n");
576 if(stat->member_expr->obj_expr) {
577 hres = compile_expression(ctx, stat->member_expr->obj_expr);
581 hres = push_instr_bstr(ctx, is_set ? OP_set_member : OP_assign_member, stat->member_expr->identifier);
583 hres = push_instr_bstr(ctx, is_set ? OP_set_ident : OP_assign_ident, stat->member_expr->identifier);
589 static BOOL lookup_dim_decls(compile_ctx_t *ctx, const WCHAR *name)
591 dim_decl_t *dim_decl;
593 for(dim_decl = ctx->dim_decls; dim_decl; dim_decl = dim_decl->next) {
594 if(!strcmpiW(dim_decl->name, name))
601 static BOOL lookup_args_name(compile_ctx_t *ctx, const WCHAR *name)
605 for(i = 0; i < ctx->func->arg_cnt; i++) {
606 if(!strcmpiW(ctx->func->args[i].name, name))
613 static HRESULT compile_dim_statement(compile_ctx_t *ctx, dim_statement_t *stat)
615 dim_decl_t *dim_decl = stat->dim_decls;
618 if(lookup_dim_decls(ctx, dim_decl->name) || lookup_args_name(ctx, dim_decl->name)) {
619 FIXME("dim %s name redefined\n", debugstr_w(dim_decl->name));
625 dim_decl = dim_decl->next;
628 dim_decl->next = ctx->dim_decls;
629 ctx->dim_decls = stat->dim_decls;
630 ctx->func->var_cnt++;
634 static HRESULT compile_function_statement(compile_ctx_t *ctx, function_statement_t *stat)
636 if(ctx->func != &ctx->code->global_code) {
637 FIXME("Function is not in the global code\n");
641 stat->func_decl->next = ctx->func_decls;
642 ctx->func_decls = stat->func_decl;
646 static HRESULT compile_exitdo_statement(compile_ctx_t *ctx)
648 if(ctx->while_end_label == -1) {
649 FIXME("Exit Do outside Do Loop\n");
653 return push_instr_addr(ctx, OP_jmp, ctx->while_end_label);
656 static HRESULT compile_exitsub_statement(compile_ctx_t *ctx)
658 if(ctx->sub_end_label == -1) {
659 FIXME("Exit Sub outside Sub?\n");
663 return push_instr_addr(ctx, OP_jmp, ctx->sub_end_label);
666 static HRESULT compile_exitfunc_statement(compile_ctx_t *ctx)
668 if(ctx->func_end_label == -1) {
669 FIXME("Exit Function outside Function?\n");
673 return push_instr_addr(ctx, OP_jmp, ctx->func_end_label);
676 static HRESULT compile_exitprop_statement(compile_ctx_t *ctx)
678 if(ctx->prop_end_label == -1) {
679 FIXME("Exit Property outside Property?\n");
683 return push_instr_addr(ctx, OP_jmp, ctx->prop_end_label);
686 static HRESULT compile_statement(compile_ctx_t *ctx, statement_t *stat)
693 hres = compile_assign_statement(ctx, (assign_statement_t*)stat, FALSE);
696 hres = compile_member_expression(ctx, ((call_statement_t*)stat)->expr, FALSE);
699 hres = compile_dim_statement(ctx, (dim_statement_t*)stat);
703 hres = compile_dowhile_statement(ctx, (while_statement_t*)stat);
706 hres = compile_exitdo_statement(ctx);
709 hres = compile_exitfunc_statement(ctx);
712 hres = compile_exitprop_statement(ctx);
715 hres = compile_exitsub_statement(ctx);
718 hres = compile_function_statement(ctx, (function_statement_t*)stat);
721 hres = compile_if_statement(ctx, (if_statement_t*)stat);
724 hres = compile_assign_statement(ctx, (assign_statement_t*)stat, TRUE);
727 hres = push_instr(ctx, OP_stop) == -1 ? E_OUTOFMEMORY : S_OK;
732 hres = compile_while_statement(ctx, (while_statement_t*)stat);
735 FIXME("Unimplemented statement type %d\n", stat->type);
747 static void resolve_labels(compile_ctx_t *ctx, unsigned off)
751 for(instr = ctx->code->instrs+off; instr < ctx->code->instrs+ctx->instr_cnt; instr++) {
752 if(instr_info[instr->op].arg1_type == ARG_ADDR && (instr->arg1.uint & LABEL_FLAG)) {
753 assert((instr->arg1.uint & ~LABEL_FLAG) < ctx->labels_cnt);
754 instr->arg1.uint = ctx->labels[instr->arg1.uint & ~LABEL_FLAG];
756 assert(instr_info[instr->op].arg2_type != ARG_ADDR);
762 static HRESULT compile_func(compile_ctx_t *ctx, statement_t *stat, function_t *func)
766 func->code_off = ctx->instr_cnt;
768 ctx->while_end_label = -1;
769 ctx->sub_end_label = -1;
770 ctx->func_end_label = -1;
771 ctx->prop_end_label = -1;
775 ctx->func_end_label = alloc_label(ctx);
776 if(ctx->func_end_label == -1)
777 return E_OUTOFMEMORY; /* FIXME ! */
780 ctx->sub_end_label = alloc_label(ctx);
781 if(ctx->sub_end_label == -1)
782 return E_OUTOFMEMORY;
788 ctx->prop_end_label = alloc_label(ctx);
789 if(ctx->prop_end_label == -1)
790 return E_OUTOFMEMORY;
797 ctx->dim_decls = NULL;
798 hres = compile_statement(ctx, stat);
803 assert(ctx->while_end_label == -1);
805 if(ctx->sub_end_label != -1)
806 label_set_addr(ctx, ctx->sub_end_label);
807 if(ctx->func_end_label != -1)
808 label_set_addr(ctx, ctx->func_end_label);
809 if(ctx->prop_end_label != -1)
810 label_set_addr(ctx, ctx->prop_end_label);
812 if(push_instr(ctx, OP_ret) == -1)
813 return E_OUTOFMEMORY;
815 resolve_labels(ctx, func->code_off);
818 dim_decl_t *dim_decl;
820 if(func->type == FUNC_GLOBAL) {
821 dynamic_var_t *new_var;
825 for(dim_decl = ctx->dim_decls; dim_decl; dim_decl = dim_decl->next) {
826 new_var = compiler_alloc(ctx->code, sizeof(*new_var));
828 return E_OUTOFMEMORY;
830 new_var->name = compiler_alloc_string(ctx->code, dim_decl->name);
832 return E_OUTOFMEMORY;
834 V_VT(&new_var->v) = VT_EMPTY;
836 new_var->next = ctx->global_vars;
837 ctx->global_vars = new_var;
842 func->vars = compiler_alloc(ctx->code, func->var_cnt * sizeof(var_desc_t));
844 return E_OUTOFMEMORY;
846 for(dim_decl = ctx->dim_decls, i=0; dim_decl; dim_decl = dim_decl->next, i++) {
847 func->vars[i].name = compiler_alloc_string(ctx->code, dim_decl->name);
848 if(!func->vars[i].name)
849 return E_OUTOFMEMORY;
852 assert(i == func->var_cnt);
859 static BOOL lookup_funcs_name(compile_ctx_t *ctx, const WCHAR *name)
863 for(iter = ctx->funcs; iter; iter = iter->next) {
864 if(!strcmpiW(iter->name, name))
871 static HRESULT create_function(compile_ctx_t *ctx, function_decl_t *decl, function_t **ret)
876 if(lookup_dim_decls(ctx, decl->name) || lookup_funcs_name(ctx, decl->name)) {
877 FIXME("%s: redefinition\n", debugstr_w(decl->name));
881 func = compiler_alloc(ctx->code, sizeof(*func));
883 return E_OUTOFMEMORY;
885 func->name = compiler_alloc_string(ctx->code, decl->name);
887 return E_OUTOFMEMORY;
891 func->code_ctx = ctx->code;
892 func->type = decl->type;
893 func->is_public = decl->is_public;
900 for(arg = decl->args; arg; arg = arg->next)
903 func->args = compiler_alloc(ctx->code, func->arg_cnt * sizeof(arg_desc_t));
905 return E_OUTOFMEMORY;
907 for(i = 0, arg = decl->args; arg; arg = arg->next, i++) {
908 func->args[i].name = compiler_alloc_string(ctx->code, arg->name);
909 if(!func->args[i].name)
910 return E_OUTOFMEMORY;
911 func->args[i].by_ref = arg->by_ref;
917 hres = compile_func(ctx, decl->body, func);
925 static BOOL lookup_class_name(compile_ctx_t *ctx, const WCHAR *name)
929 for(iter = ctx->classes; iter; iter = iter->next) {
930 if(!strcmpiW(iter->name, name))
937 static HRESULT create_class_funcprop(compile_ctx_t *ctx, function_decl_t *func_decl, vbdisp_funcprop_desc_t *desc)
939 vbdisp_invoke_type_t invoke_type;
940 function_decl_t *funcprop_decl;
943 desc->name = compiler_alloc_string(ctx->code, func_decl->name);
945 return E_OUTOFMEMORY;
947 for(funcprop_decl = func_decl; funcprop_decl; funcprop_decl = funcprop_decl->next_prop_func) {
948 switch(funcprop_decl->type) {
953 invoke_type = VBDISP_CALLGET;
956 invoke_type = VBDISP_LET;
959 invoke_type = VBDISP_SET;
965 assert(!desc->entries[invoke_type]);
967 if(funcprop_decl->is_public)
968 desc->is_public = TRUE;
970 hres = create_function(ctx, funcprop_decl, desc->entries+invoke_type);
978 static BOOL lookup_class_funcs(class_desc_t *class_desc, const WCHAR *name)
982 for(i=0; i < class_desc->func_cnt; i++) {
983 if(class_desc->funcs[i].name && !strcmpiW(class_desc->funcs[i].name, name))
990 static HRESULT compile_class(compile_ctx_t *ctx, class_decl_t *class_decl)
992 function_decl_t *func_decl, *func_prop_decl;
993 class_prop_decl_t *prop_decl;
994 class_desc_t *class_desc;
998 static const WCHAR class_initializeW[] = {'c','l','a','s','s','_','i','n','i','t','i','a','l','i','z','e',0};
999 static const WCHAR class_terminateW[] = {'c','l','a','s','s','_','t','e','r','m','i','n','a','t','e',0};
1001 if(lookup_dim_decls(ctx, class_decl->name) || lookup_funcs_name(ctx, class_decl->name)
1002 || lookup_class_name(ctx, class_decl->name)) {
1003 FIXME("%s: redefinition\n", debugstr_w(class_decl->name));
1007 class_desc = compiler_alloc(ctx->code, sizeof(*class_desc));
1009 return E_OUTOFMEMORY;
1011 class_desc->name = compiler_alloc_string(ctx->code, class_decl->name);
1012 if(!class_desc->name)
1013 return E_OUTOFMEMORY;
1015 class_desc->func_cnt = 1; /* always allocate slot for default getter */
1016 class_desc->prop_cnt = 0;
1017 class_desc->class_initialize_id = 0;
1018 class_desc->class_terminate_id = 0;
1020 for(func_decl = class_decl->funcs; func_decl; func_decl = func_decl->next) {
1021 for(func_prop_decl = func_decl; func_prop_decl; func_prop_decl = func_prop_decl->next_prop_func) {
1022 if(func_prop_decl->type == FUNC_DEFGET)
1026 class_desc->func_cnt++;
1029 class_desc->funcs = compiler_alloc(ctx->code, class_desc->func_cnt*sizeof(*class_desc->funcs));
1030 if(!class_desc->funcs)
1031 return E_OUTOFMEMORY;
1032 memset(class_desc->funcs, 0, class_desc->func_cnt*sizeof(*class_desc->funcs));
1034 for(func_decl = class_decl->funcs, i=1; func_decl; func_decl = func_decl->next, i++) {
1035 for(func_prop_decl = func_decl; func_prop_decl; func_prop_decl = func_prop_decl->next_prop_func) {
1036 if(func_prop_decl->type == FUNC_DEFGET) {
1042 if(!strcmpiW(class_initializeW, func_decl->name)) {
1043 if(func_decl->type != FUNC_SUB) {
1044 FIXME("class initializer is not sub\n");
1048 class_desc->class_initialize_id = i;
1049 }else if(!strcmpiW(class_terminateW, func_decl->name)) {
1050 if(func_decl->type != FUNC_SUB) {
1051 FIXME("class terminator is not sub\n");
1055 class_desc->class_terminate_id = i;
1058 hres = create_class_funcprop(ctx, func_decl, class_desc->funcs + (func_prop_decl ? 0 : i));
1063 for(prop_decl = class_decl->props; prop_decl; prop_decl = prop_decl->next)
1064 class_desc->prop_cnt++;
1066 class_desc->props = compiler_alloc(ctx->code, class_desc->prop_cnt*sizeof(*class_desc->props));
1067 if(!class_desc->props)
1068 return E_OUTOFMEMORY;
1070 for(prop_decl = class_decl->props, i=0; prop_decl; prop_decl = prop_decl->next, i++) {
1071 if(lookup_class_funcs(class_desc, prop_decl->name)) {
1072 FIXME("Property %s redefined\n", debugstr_w(prop_decl->name));
1076 class_desc->props[i].name = compiler_alloc_string(ctx->code, prop_decl->name);
1077 if(!class_desc->props[i].name)
1078 return E_OUTOFMEMORY;
1080 class_desc->props[i].is_public = prop_decl->is_public;
1083 class_desc->next = ctx->classes;
1084 ctx->classes = class_desc;
1088 static BOOL lookup_script_identifier(script_ctx_t *script, const WCHAR *identifier)
1090 class_desc_t *class;
1094 for(var = script->global_vars; var; var = var->next) {
1095 if(!strcmpiW(var->name, identifier))
1099 for(func = script->global_funcs; func; func = func->next) {
1100 if(!strcmpiW(func->name, identifier))
1104 for(class = script->classes; class; class = class->next) {
1105 if(!strcmpiW(class->name, identifier))
1112 static HRESULT check_script_collisions(compile_ctx_t *ctx, script_ctx_t *script)
1114 class_desc_t *class;
1118 for(var = ctx->global_vars; var; var = var->next) {
1119 if(lookup_script_identifier(script, var->name)) {
1120 FIXME("%s: redefined\n", debugstr_w(var->name));
1125 for(func = ctx->funcs; func; func = func->next) {
1126 if(lookup_script_identifier(script, func->name)) {
1127 FIXME("%s: redefined\n", debugstr_w(func->name));
1132 for(class = ctx->classes; class; class = class->next) {
1133 if(lookup_script_identifier(script, class->name)) {
1134 FIXME("%s: redefined\n", debugstr_w(class->name));
1142 void release_vbscode(vbscode_t *code)
1146 list_remove(&code->entry);
1148 for(i=0; i < code->bstr_cnt; i++)
1149 SysFreeString(code->bstr_pool[i]);
1151 vbsheap_free(&code->heap);
1153 heap_free(code->bstr_pool);
1154 heap_free(code->source);
1155 heap_free(code->instrs);
1159 static vbscode_t *alloc_vbscode(compile_ctx_t *ctx, const WCHAR *source)
1163 ret = heap_alloc(sizeof(*ret));
1167 ret->source = heap_strdupW(source);
1173 ret->instrs = heap_alloc(32*sizeof(instr_t));
1175 release_vbscode(ret);
1180 ctx->instr_size = 32;
1181 vbsheap_init(&ret->heap);
1183 ret->option_explicit = ctx->parser.option_explicit;
1185 ret->bstr_pool = NULL;
1186 ret->bstr_pool_size = 0;
1188 ret->global_executed = FALSE;
1190 ret->global_code.type = FUNC_GLOBAL;
1191 ret->global_code.name = NULL;
1192 ret->global_code.code_ctx = ret;
1193 ret->global_code.vars = NULL;
1194 ret->global_code.var_cnt = 0;
1195 ret->global_code.arg_cnt = 0;
1196 ret->global_code.args = NULL;
1198 list_init(&ret->entry);
1202 static void release_compiler(compile_ctx_t *ctx)
1204 parser_release(&ctx->parser);
1205 heap_free(ctx->labels);
1207 release_vbscode(ctx->code);
1210 HRESULT compile_script(script_ctx_t *script, const WCHAR *src, vbscode_t **ret)
1212 function_t *new_func;
1213 function_decl_t *func_decl;
1214 class_decl_t *class_decl;
1219 hres = parse_script(&ctx.parser, src);
1223 code = ctx.code = alloc_vbscode(&ctx, src);
1225 return E_OUTOFMEMORY;
1228 ctx.func_decls = NULL;
1229 ctx.global_vars = NULL;
1230 ctx.dim_decls = NULL;
1233 ctx.labels_cnt = ctx.labels_size = 0;
1235 hres = compile_func(&ctx, ctx.parser.stats, &ctx.code->global_code);
1237 release_compiler(&ctx);
1241 for(func_decl = ctx.func_decls; func_decl; func_decl = func_decl->next) {
1242 hres = create_function(&ctx, func_decl, &new_func);
1244 release_compiler(&ctx);
1248 new_func->next = ctx.funcs;
1249 ctx.funcs = new_func;
1252 for(class_decl = ctx.parser.class_decls; class_decl; class_decl = class_decl->next) {
1253 hres = compile_class(&ctx, class_decl);
1255 release_compiler(&ctx);
1260 hres = check_script_collisions(&ctx, script);
1262 release_compiler(&ctx);
1266 if(ctx.global_vars) {
1269 for(var = ctx.global_vars; var->next; var = var->next);
1271 var->next = script->global_vars;
1272 script->global_vars = ctx.global_vars;
1276 for(new_func = ctx.funcs; new_func->next; new_func = new_func->next);
1278 new_func->next = script->global_funcs;
1279 script->global_funcs = ctx.funcs;
1283 class_desc_t *class = ctx.classes;
1286 class->ctx = script;
1289 class = class->next;
1292 class->next = script->classes;
1293 script->classes = ctx.classes;
1296 if(TRACE_ON(vbscript_disas))
1300 release_compiler(&ctx);
1302 list_add_tail(&script->code_list, &code->entry);