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 sub_end_label;
42 unsigned func_end_label;
44 dim_decl_t *dim_decls;
45 dynamic_var_t *global_vars;
49 function_decl_t *func_decls;
51 class_desc_t *classes;
54 static HRESULT compile_expression(compile_ctx_t*,expression_t*);
55 static HRESULT compile_statement(compile_ctx_t*,statement_t*);
59 instr_arg_type_t arg1_type;
60 instr_arg_type_t arg2_type;
62 #define X(n,a,b,c) {#n,b,c},
67 static void dump_instr_arg(instr_arg_type_t type, instr_arg_t *arg)
72 TRACE_(vbscript_disas)("\t%s", debugstr_w(arg->str));
75 TRACE_(vbscript_disas)("\t%d", arg->uint);
79 TRACE_(vbscript_disas)("\t%u", arg->uint);
82 TRACE_(vbscript_disas)("\t%lf", *arg->dbl);
91 static void dump_code(compile_ctx_t *ctx)
95 for(instr = ctx->code->instrs; instr < ctx->code->instrs+ctx->instr_cnt; instr++) {
96 TRACE_(vbscript_disas)("%d:\t%s", instr-ctx->code->instrs, instr_info[instr->op].op_str);
97 dump_instr_arg(instr_info[instr->op].arg1_type, &instr->arg1);
98 dump_instr_arg(instr_info[instr->op].arg2_type, &instr->arg2);
99 TRACE_(vbscript_disas)("\n");
103 static inline void *compiler_alloc(vbscode_t *vbscode, size_t size)
105 return vbsheap_alloc(&vbscode->heap, size);
108 static WCHAR *compiler_alloc_string(vbscode_t *vbscode, const WCHAR *str)
113 size = (strlenW(str)+1)*sizeof(WCHAR);
114 ret = compiler_alloc(vbscode, size);
116 memcpy(ret, str, size);
120 static inline instr_t *instr_ptr(compile_ctx_t *ctx, unsigned id)
122 assert(id < ctx->instr_cnt);
123 return ctx->code->instrs + id;
126 static unsigned push_instr(compile_ctx_t *ctx, vbsop_t op)
128 assert(ctx->instr_size && ctx->instr_size >= ctx->instr_cnt);
130 if(ctx->instr_size == ctx->instr_cnt) {
133 new_instr = heap_realloc(ctx->code->instrs, ctx->instr_size*2*sizeof(instr_t));
137 ctx->code->instrs = new_instr;
138 ctx->instr_size *= 2;
141 ctx->code->instrs[ctx->instr_cnt].op = op;
142 return ctx->instr_cnt++;
145 static HRESULT push_instr_int(compile_ctx_t *ctx, vbsop_t op, LONG arg)
149 ret = push_instr(ctx, op);
151 return E_OUTOFMEMORY;
153 instr_ptr(ctx, ret)->arg1.lng = arg;
157 static HRESULT push_instr_addr(compile_ctx_t *ctx, vbsop_t op, unsigned arg)
161 ret = push_instr(ctx, op);
163 return E_OUTOFMEMORY;
165 instr_ptr(ctx, ret)->arg1.uint = arg;
169 static HRESULT push_instr_str(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg)
174 str = compiler_alloc_string(ctx->code, arg);
176 return E_OUTOFMEMORY;
178 instr = push_instr(ctx, op);
180 return E_OUTOFMEMORY;
182 instr_ptr(ctx, instr)->arg1.str = str;
186 static HRESULT push_instr_double(compile_ctx_t *ctx, vbsop_t op, double arg)
191 d = compiler_alloc(ctx->code, sizeof(double));
193 return E_OUTOFMEMORY;
195 instr = push_instr(ctx, op);
197 return E_OUTOFMEMORY;
200 instr_ptr(ctx, instr)->arg1.dbl = d;
204 static BSTR alloc_bstr_arg(compile_ctx_t *ctx, const WCHAR *str)
206 if(!ctx->code->bstr_pool_size) {
207 ctx->code->bstr_pool = heap_alloc(8 * sizeof(BSTR));
208 if(!ctx->code->bstr_pool)
210 ctx->code->bstr_pool_size = 8;
211 }else if(ctx->code->bstr_pool_size == ctx->code->bstr_cnt) {
214 new_pool = heap_realloc(ctx->code->bstr_pool, ctx->code->bstr_pool_size*2*sizeof(BSTR));
218 ctx->code->bstr_pool = new_pool;
219 ctx->code->bstr_pool_size *= 2;
222 ctx->code->bstr_pool[ctx->code->bstr_cnt] = SysAllocString(str);
223 if(!ctx->code->bstr_pool[ctx->code->bstr_cnt])
226 return ctx->code->bstr_pool[ctx->code->bstr_cnt++];
229 static HRESULT push_instr_bstr(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg)
234 bstr = alloc_bstr_arg(ctx, arg);
236 return E_OUTOFMEMORY;
238 instr = push_instr(ctx, op);
240 return E_OUTOFMEMORY;
242 instr_ptr(ctx, instr)->arg1.bstr = bstr;
246 static HRESULT push_instr_bstr_uint(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg1, unsigned arg2)
251 bstr = alloc_bstr_arg(ctx, arg1);
253 return E_OUTOFMEMORY;
255 instr = push_instr(ctx, op);
257 return E_OUTOFMEMORY;
259 instr_ptr(ctx, instr)->arg1.bstr = bstr;
260 instr_ptr(ctx, instr)->arg2.uint = arg2;
264 #define LABEL_FLAG 0x80000000
266 static unsigned alloc_label(compile_ctx_t *ctx)
268 if(!ctx->labels_size) {
269 ctx->labels = heap_alloc(8 * sizeof(*ctx->labels));
272 ctx->labels_size = 8;
273 }else if(ctx->labels_size == ctx->labels_cnt) {
274 unsigned *new_labels;
276 new_labels = heap_realloc(ctx->labels, 2*ctx->labels_size*sizeof(*ctx->labels));
280 ctx->labels = new_labels;
281 ctx->labels_size *= 2;
284 return ctx->labels_cnt++ | LABEL_FLAG;
287 static inline void label_set_addr(compile_ctx_t *ctx, unsigned label)
289 assert(label & LABEL_FLAG);
290 ctx->labels[label & ~LABEL_FLAG] = ctx->instr_cnt;
293 static HRESULT compile_args(compile_ctx_t *ctx, expression_t *args, unsigned *ret)
295 unsigned arg_cnt = 0;
299 hres = compile_expression(ctx, args);
311 static HRESULT compile_member_expression(compile_ctx_t *ctx, member_expression_t *expr, BOOL ret_val)
313 unsigned arg_cnt = 0;
316 hres = compile_args(ctx, expr->args, &arg_cnt);
321 FIXME("obj_expr not implemented\n");
324 hres = push_instr_bstr_uint(ctx, ret_val ? OP_icall : OP_icallv, expr->identifier, arg_cnt);
330 static HRESULT compile_unary_expression(compile_ctx_t *ctx, unary_expression_t *expr, vbsop_t op)
334 hres = compile_expression(ctx, expr->subexpr);
338 return push_instr(ctx, op) == -1 ? E_OUTOFMEMORY : S_OK;
341 static HRESULT compile_binary_expression(compile_ctx_t *ctx, binary_expression_t *expr, vbsop_t op)
345 hres = compile_expression(ctx, expr->left);
349 hres = compile_expression(ctx, expr->right);
353 return push_instr(ctx, op) == -1 ? E_OUTOFMEMORY : S_OK;
356 static HRESULT compile_expression(compile_ctx_t *ctx, expression_t *expr)
360 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_add);
362 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_and);
364 return push_instr_int(ctx, OP_bool, ((bool_expression_t*)expr)->value);
366 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_concat);
368 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_div);
370 return push_instr_double(ctx, OP_double, ((double_expression_t*)expr)->value);
372 return push_instr(ctx, OP_empty) != -1 ? S_OK : E_OUTOFMEMORY;
374 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_equal);
376 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_eqv);
378 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_exp);
380 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_idiv);
382 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_imp);
384 return compile_member_expression(ctx, (member_expression_t*)expr, TRUE);
386 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mod);
388 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mul);
390 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_neg);
392 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_nequal);
394 return push_instr_str(ctx, OP_new, ((string_expression_t*)expr)->value);
396 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_not);
398 return push_instr(ctx, OP_nothing) != -1 ? S_OK : E_OUTOFMEMORY;
400 return push_instr(ctx, OP_null) != -1 ? S_OK : E_OUTOFMEMORY;
402 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_or);
404 return push_instr_str(ctx, OP_string, ((string_expression_t*)expr)->value);
406 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_sub);
408 return push_instr_int(ctx, OP_short, ((int_expression_t*)expr)->value);
410 return push_instr_int(ctx, OP_long, ((int_expression_t*)expr)->value);
412 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_xor);
414 FIXME("Unimplemented expression type %d\n", expr->type);
421 static HRESULT compile_if_statement(compile_ctx_t *ctx, if_statement_t *stat)
423 unsigned cnd_jmp, endif_label = -1;
424 elseif_decl_t *elseif_decl;
427 hres = compile_expression(ctx, stat->expr);
431 cnd_jmp = push_instr(ctx, OP_jmp_false);
433 return E_OUTOFMEMORY;
435 hres = compile_statement(ctx, stat->if_stat);
439 if(stat->else_stat || stat->elseifs) {
440 endif_label = alloc_label(ctx);
441 if(endif_label == -1)
442 return E_OUTOFMEMORY;
444 hres = push_instr_addr(ctx, OP_jmp, endif_label);
449 for(elseif_decl = stat->elseifs; elseif_decl; elseif_decl = elseif_decl->next) {
450 instr_ptr(ctx, cnd_jmp)->arg1.uint = ctx->instr_cnt;
452 hres = compile_expression(ctx, elseif_decl->expr);
456 cnd_jmp = push_instr(ctx, OP_jmp_false);
458 return E_OUTOFMEMORY;
460 hres = compile_statement(ctx, elseif_decl->stat);
464 hres = push_instr_addr(ctx, OP_jmp, endif_label);
469 instr_ptr(ctx, cnd_jmp)->arg1.uint = ctx->instr_cnt;
471 if(stat->else_stat) {
472 hres = compile_statement(ctx, stat->else_stat);
477 if(endif_label != -1)
478 label_set_addr(ctx, endif_label);
482 static HRESULT compile_assign_statement(compile_ctx_t *ctx, assign_statement_t *stat, BOOL is_set)
486 hres = compile_expression(ctx, stat->value_expr);
490 if(stat->member_expr->args) {
491 FIXME("arguments support not implemented\n");
495 if(stat->member_expr->obj_expr) {
496 hres = compile_expression(ctx, stat->member_expr->obj_expr);
500 hres = push_instr_bstr(ctx, is_set ? OP_set_member : OP_assign_member, stat->member_expr->identifier);
502 hres = push_instr_bstr(ctx, is_set ? OP_set_ident : OP_assign_ident, stat->member_expr->identifier);
508 static BOOL lookup_dim_decls(compile_ctx_t *ctx, const WCHAR *name)
510 dim_decl_t *dim_decl;
512 for(dim_decl = ctx->dim_decls; dim_decl; dim_decl = dim_decl->next) {
513 if(!strcmpiW(dim_decl->name, name))
520 static BOOL lookup_args_name(compile_ctx_t *ctx, const WCHAR *name)
524 for(i = 0; i < ctx->func->arg_cnt; i++) {
525 if(!strcmpiW(ctx->func->args[i].name, name))
532 static HRESULT compile_dim_statement(compile_ctx_t *ctx, dim_statement_t *stat)
534 dim_decl_t *dim_decl = stat->dim_decls;
537 if(lookup_dim_decls(ctx, dim_decl->name) || lookup_args_name(ctx, dim_decl->name)) {
538 FIXME("dim %s name redefined\n", debugstr_w(dim_decl->name));
544 dim_decl = dim_decl->next;
547 dim_decl->next = ctx->dim_decls;
548 ctx->dim_decls = stat->dim_decls;
549 ctx->func->var_cnt++;
553 static HRESULT compile_function_statement(compile_ctx_t *ctx, function_statement_t *stat)
555 if(ctx->func != &ctx->code->global_code) {
556 FIXME("Function is not in the global code\n");
560 stat->func_decl->next = ctx->func_decls;
561 ctx->func_decls = stat->func_decl;
565 static HRESULT compile_exitsub_statement(compile_ctx_t *ctx)
567 if(ctx->sub_end_label == -1) {
568 FIXME("Exit Sub outside Sub?\n");
572 return push_instr_addr(ctx, OP_jmp, ctx->sub_end_label);
575 static HRESULT compile_exitfunc_statement(compile_ctx_t *ctx)
577 if(ctx->func_end_label == -1) {
578 FIXME("Exit Function outside Function?\n");
582 return push_instr_addr(ctx, OP_jmp, ctx->func_end_label);
585 static HRESULT compile_statement(compile_ctx_t *ctx, statement_t *stat)
592 hres = compile_assign_statement(ctx, (assign_statement_t*)stat, FALSE);
595 hres = compile_member_expression(ctx, ((call_statement_t*)stat)->expr, FALSE);
598 hres = compile_dim_statement(ctx, (dim_statement_t*)stat);
601 hres = compile_exitfunc_statement(ctx);
604 hres = compile_exitsub_statement(ctx);
607 hres = compile_function_statement(ctx, (function_statement_t*)stat);
610 hres = compile_if_statement(ctx, (if_statement_t*)stat);
613 hres = compile_assign_statement(ctx, (assign_statement_t*)stat, TRUE);
616 FIXME("Unimplemented statement type %d\n", stat->type);
628 static void resolve_labels(compile_ctx_t *ctx, unsigned off)
632 for(instr = ctx->code->instrs+off; instr < ctx->code->instrs+ctx->instr_cnt; instr++) {
633 if(instr_info[instr->op].arg1_type == ARG_ADDR && (instr->arg1.uint & LABEL_FLAG)) {
634 assert((instr->arg1.uint & ~LABEL_FLAG) < ctx->labels_cnt);
635 instr->arg1.uint = ctx->labels[instr->arg1.uint & ~LABEL_FLAG];
637 assert(instr_info[instr->op].arg2_type != ARG_ADDR);
643 static HRESULT compile_func(compile_ctx_t *ctx, statement_t *stat, function_t *func)
647 func->code_off = ctx->instr_cnt;
649 ctx->sub_end_label = -1;
650 ctx->func_end_label = -1;
654 ctx->func_end_label = alloc_label(ctx);
655 if(ctx->func_end_label == -1)
656 return E_OUTOFMEMORY; /* FIXME ! */
659 ctx->sub_end_label = alloc_label(ctx);
660 if(ctx->sub_end_label == -1)
661 return E_OUTOFMEMORY;
668 ctx->dim_decls = NULL;
669 hres = compile_statement(ctx, stat);
674 if(ctx->sub_end_label != -1)
675 label_set_addr(ctx, ctx->sub_end_label);
676 if(ctx->func_end_label != -1)
677 label_set_addr(ctx, ctx->func_end_label);
679 if(push_instr(ctx, OP_ret) == -1)
680 return E_OUTOFMEMORY;
682 resolve_labels(ctx, func->code_off);
685 dim_decl_t *dim_decl;
687 if(func->type == FUNC_GLOBAL) {
688 dynamic_var_t *new_var;
692 for(dim_decl = ctx->dim_decls; dim_decl; dim_decl = dim_decl->next) {
693 new_var = compiler_alloc(ctx->code, sizeof(*new_var));
695 return E_OUTOFMEMORY;
697 new_var->name = compiler_alloc_string(ctx->code, dim_decl->name);
699 return E_OUTOFMEMORY;
701 V_VT(&new_var->v) = VT_EMPTY;
703 new_var->next = ctx->global_vars;
704 ctx->global_vars = new_var;
709 func->vars = compiler_alloc(ctx->code, func->var_cnt * sizeof(var_desc_t));
711 return E_OUTOFMEMORY;
713 for(dim_decl = ctx->dim_decls, i=0; dim_decl; dim_decl = dim_decl->next, i++) {
714 func->vars[i].name = compiler_alloc_string(ctx->code, dim_decl->name);
715 if(!func->vars[i].name)
716 return E_OUTOFMEMORY;
719 assert(i == func->var_cnt);
726 static BOOL lookup_funcs_name(compile_ctx_t *ctx, const WCHAR *name)
730 for(iter = ctx->funcs; iter; iter = iter->next) {
731 if(!strcmpiW(iter->name, name))
738 static HRESULT create_function(compile_ctx_t *ctx, function_decl_t *decl, function_t **ret)
743 if(lookup_dim_decls(ctx, decl->name) || lookup_funcs_name(ctx, decl->name)) {
744 FIXME("%s: redefinition\n", debugstr_w(decl->name));
748 func = compiler_alloc(ctx->code, sizeof(*func));
750 return E_OUTOFMEMORY;
752 func->name = compiler_alloc_string(ctx->code, decl->name);
754 return E_OUTOFMEMORY;
758 func->code_ctx = ctx->code;
759 func->type = decl->type;
766 for(arg = decl->args; arg; arg = arg->next)
769 func->args = compiler_alloc(ctx->code, func->arg_cnt * sizeof(arg_desc_t));
771 return E_OUTOFMEMORY;
773 for(i = 0, arg = decl->args; arg; arg = arg->next, i++) {
774 func->args[i].name = compiler_alloc_string(ctx->code, arg->name);
775 if(!func->args[i].name)
776 return E_OUTOFMEMORY;
777 func->args[i].by_ref = arg->by_ref;
783 hres = compile_func(ctx, decl->body, func);
791 static BOOL lookup_class_name(compile_ctx_t *ctx, const WCHAR *name)
795 for(iter = ctx->classes; iter; iter = iter->next) {
796 if(!strcmpiW(iter->name, name))
803 static HRESULT compile_class(compile_ctx_t *ctx, class_decl_t *class_decl)
805 class_desc_t *class_desc;
807 if(lookup_dim_decls(ctx, class_decl->name) || lookup_funcs_name(ctx, class_decl->name)
808 || lookup_class_name(ctx, class_decl->name)) {
809 FIXME("%s: redefinition\n", debugstr_w(class_decl->name));
813 class_desc = compiler_alloc(ctx->code, sizeof(*class_desc));
815 return E_OUTOFMEMORY;
817 class_desc->name = compiler_alloc_string(ctx->code, class_decl->name);
818 if(!class_desc->name)
819 return E_OUTOFMEMORY;
821 class_desc->next = ctx->classes;
822 ctx->classes = class_desc;
826 static BOOL lookup_script_identifier(script_ctx_t *script, const WCHAR *identifier)
832 for(var = script->global_vars; var; var = var->next) {
833 if(!strcmpiW(var->name, identifier))
837 for(func = script->global_funcs; func; func = func->next) {
838 if(!strcmpiW(func->name, identifier))
842 for(class = script->classes; class; class = class->next) {
843 if(!strcmpiW(class->name, identifier))
850 static HRESULT check_script_collisions(compile_ctx_t *ctx, script_ctx_t *script)
856 for(var = ctx->global_vars; var; var = var->next) {
857 if(lookup_script_identifier(script, var->name)) {
858 FIXME("%s: redefined\n", debugstr_w(var->name));
863 for(func = ctx->funcs; func; func = func->next) {
864 if(lookup_script_identifier(script, func->name)) {
865 FIXME("%s: redefined\n", debugstr_w(func->name));
870 for(class = ctx->classes; class; class = class->next) {
871 if(lookup_script_identifier(script, class->name)) {
872 FIXME("%s: redefined\n", debugstr_w(class->name));
880 void release_vbscode(vbscode_t *code)
884 list_remove(&code->entry);
886 for(i=0; i < code->bstr_cnt; i++)
887 SysFreeString(code->bstr_pool[i]);
889 vbsheap_free(&code->heap);
891 heap_free(code->bstr_pool);
892 heap_free(code->source);
893 heap_free(code->instrs);
897 static vbscode_t *alloc_vbscode(compile_ctx_t *ctx, const WCHAR *source)
901 ret = heap_alloc(sizeof(*ret));
905 ret->source = heap_strdupW(source);
911 ret->instrs = heap_alloc(32*sizeof(instr_t));
913 release_vbscode(ret);
918 ctx->instr_size = 32;
919 vbsheap_init(&ret->heap);
921 ret->option_explicit = ctx->parser.option_explicit;
923 ret->bstr_pool = NULL;
924 ret->bstr_pool_size = 0;
926 ret->global_executed = FALSE;
928 ret->global_code.type = FUNC_GLOBAL;
929 ret->global_code.name = NULL;
930 ret->global_code.code_ctx = ret;
931 ret->global_code.vars = NULL;
932 ret->global_code.var_cnt = 0;
933 ret->global_code.arg_cnt = 0;
934 ret->global_code.args = NULL;
936 list_init(&ret->entry);
940 static void release_compiler(compile_ctx_t *ctx)
942 parser_release(&ctx->parser);
943 heap_free(ctx->labels);
945 release_vbscode(ctx->code);
948 HRESULT compile_script(script_ctx_t *script, const WCHAR *src, vbscode_t **ret)
950 function_t *new_func;
951 function_decl_t *func_decl;
952 class_decl_t *class_decl;
957 hres = parse_script(&ctx.parser, src);
961 code = ctx.code = alloc_vbscode(&ctx, src);
963 return E_OUTOFMEMORY;
966 ctx.func_decls = NULL;
967 ctx.global_vars = NULL;
968 ctx.dim_decls = NULL;
971 ctx.labels_cnt = ctx.labels_size = 0;
973 hres = compile_func(&ctx, ctx.parser.stats, &ctx.code->global_code);
975 release_compiler(&ctx);
979 for(func_decl = ctx.func_decls; func_decl; func_decl = func_decl->next) {
980 hres = create_function(&ctx, func_decl, &new_func);
982 release_compiler(&ctx);
986 new_func->next = ctx.funcs;
987 ctx.funcs = new_func;
990 for(class_decl = ctx.parser.class_decls; class_decl; class_decl = class_decl->next) {
991 hres = compile_class(&ctx, class_decl);
993 release_compiler(&ctx);
998 hres = check_script_collisions(&ctx, script);
1000 release_compiler(&ctx);
1004 if(ctx.global_vars) {
1007 for(var = ctx.global_vars; var->next; var = var->next);
1009 var->next = script->global_vars;
1010 script->global_vars = ctx.global_vars;
1014 for(new_func = ctx.funcs; new_func->next; new_func = new_func->next);
1016 new_func->next = script->global_funcs;
1017 script->global_funcs = ctx.funcs;
1021 class_desc_t *class = ctx.classes;
1024 class->ctx = script;
1027 class = class->next;
1030 class->next = script->classes;
1031 script->classes = ctx.classes;
1034 if(TRACE_ON(vbscript_disas))
1038 release_compiler(&ctx);
1040 list_add_tail(&script->code_list, &code->entry);