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_is);
393 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_imp);
395 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lt);
397 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lteq);
399 return compile_member_expression(ctx, (member_expression_t*)expr, TRUE);
401 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mod);
403 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mul);
405 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_neg);
407 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_nequal);
409 return push_instr_str(ctx, OP_new, ((string_expression_t*)expr)->value);
411 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_not);
413 return push_instr(ctx, OP_nothing) != -1 ? S_OK : E_OUTOFMEMORY;
415 return push_instr(ctx, OP_null) != -1 ? S_OK : E_OUTOFMEMORY;
417 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_or);
419 return push_instr_str(ctx, OP_string, ((string_expression_t*)expr)->value);
421 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_sub);
423 return push_instr_int(ctx, OP_short, ((int_expression_t*)expr)->value);
425 return push_instr_int(ctx, OP_long, ((int_expression_t*)expr)->value);
427 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_xor);
429 FIXME("Unimplemented expression type %d\n", expr->type);
436 static HRESULT compile_if_statement(compile_ctx_t *ctx, if_statement_t *stat)
438 unsigned cnd_jmp, endif_label = -1;
439 elseif_decl_t *elseif_decl;
442 hres = compile_expression(ctx, stat->expr);
446 cnd_jmp = push_instr(ctx, OP_jmp_false);
448 return E_OUTOFMEMORY;
450 hres = compile_statement(ctx, stat->if_stat);
454 if(stat->else_stat || stat->elseifs) {
455 endif_label = alloc_label(ctx);
456 if(endif_label == -1)
457 return E_OUTOFMEMORY;
459 hres = push_instr_addr(ctx, OP_jmp, endif_label);
464 for(elseif_decl = stat->elseifs; elseif_decl; elseif_decl = elseif_decl->next) {
465 instr_ptr(ctx, cnd_jmp)->arg1.uint = ctx->instr_cnt;
467 hres = compile_expression(ctx, elseif_decl->expr);
471 cnd_jmp = push_instr(ctx, OP_jmp_false);
473 return E_OUTOFMEMORY;
475 hres = compile_statement(ctx, elseif_decl->stat);
479 hres = push_instr_addr(ctx, OP_jmp, endif_label);
484 instr_ptr(ctx, cnd_jmp)->arg1.uint = ctx->instr_cnt;
486 if(stat->else_stat) {
487 hres = compile_statement(ctx, stat->else_stat);
492 if(endif_label != -1)
493 label_set_addr(ctx, endif_label);
497 static HRESULT compile_while_statement(compile_ctx_t *ctx, while_statement_t *stat)
499 unsigned start_addr, prev_label;
503 start_addr = ctx->instr_cnt;
505 hres = compile_expression(ctx, stat->expr);
509 jmp_end = push_instr(ctx, stat->stat.type == STAT_UNTIL ? OP_jmp_true : OP_jmp_false);
511 return E_OUTOFMEMORY;
513 if(stat->stat.type != STAT_WHILE) {
514 prev_label = ctx->while_end_label;
515 if((ctx->while_end_label = alloc_label(ctx)) == -1)
516 return E_OUTOFMEMORY;
519 hres = compile_statement(ctx, stat->body);
523 hres = push_instr_addr(ctx, OP_jmp, start_addr);
527 instr_ptr(ctx, jmp_end)->arg1.uint = ctx->instr_cnt;
529 if(stat->stat.type != STAT_WHILE) {
530 label_set_addr(ctx, ctx->while_end_label);
531 ctx->while_end_label = prev_label;
537 static HRESULT compile_dowhile_statement(compile_ctx_t *ctx, while_statement_t *stat)
539 unsigned start_addr, prev_label;
542 start_addr = ctx->instr_cnt;
544 prev_label = ctx->while_end_label;
545 if((ctx->while_end_label = alloc_label(ctx)) == -1)
546 return E_OUTOFMEMORY;
548 hres = compile_statement(ctx, stat->body);
552 hres = compile_expression(ctx, stat->expr);
556 hres = push_instr_addr(ctx, stat->stat.type == STAT_DOUNTIL ? OP_jmp_false : OP_jmp_true, start_addr);
560 label_set_addr(ctx, ctx->while_end_label);
561 ctx->while_end_label = prev_label;
565 static HRESULT compile_assign_statement(compile_ctx_t *ctx, assign_statement_t *stat, BOOL is_set)
569 hres = compile_expression(ctx, stat->value_expr);
573 if(stat->member_expr->args) {
574 FIXME("arguments support not implemented\n");
578 if(stat->member_expr->obj_expr) {
579 hres = compile_expression(ctx, stat->member_expr->obj_expr);
583 hres = push_instr_bstr(ctx, is_set ? OP_set_member : OP_assign_member, stat->member_expr->identifier);
585 hres = push_instr_bstr(ctx, is_set ? OP_set_ident : OP_assign_ident, stat->member_expr->identifier);
591 static BOOL lookup_dim_decls(compile_ctx_t *ctx, const WCHAR *name)
593 dim_decl_t *dim_decl;
595 for(dim_decl = ctx->dim_decls; dim_decl; dim_decl = dim_decl->next) {
596 if(!strcmpiW(dim_decl->name, name))
603 static BOOL lookup_args_name(compile_ctx_t *ctx, const WCHAR *name)
607 for(i = 0; i < ctx->func->arg_cnt; i++) {
608 if(!strcmpiW(ctx->func->args[i].name, name))
615 static HRESULT compile_dim_statement(compile_ctx_t *ctx, dim_statement_t *stat)
617 dim_decl_t *dim_decl = stat->dim_decls;
620 if(lookup_dim_decls(ctx, dim_decl->name) || lookup_args_name(ctx, dim_decl->name)) {
621 FIXME("dim %s name redefined\n", debugstr_w(dim_decl->name));
627 dim_decl = dim_decl->next;
630 dim_decl->next = ctx->dim_decls;
631 ctx->dim_decls = stat->dim_decls;
632 ctx->func->var_cnt++;
636 static HRESULT compile_function_statement(compile_ctx_t *ctx, function_statement_t *stat)
638 if(ctx->func != &ctx->code->global_code) {
639 FIXME("Function is not in the global code\n");
643 stat->func_decl->next = ctx->func_decls;
644 ctx->func_decls = stat->func_decl;
648 static HRESULT compile_exitdo_statement(compile_ctx_t *ctx)
650 if(ctx->while_end_label == -1) {
651 FIXME("Exit Do outside Do Loop\n");
655 return push_instr_addr(ctx, OP_jmp, ctx->while_end_label);
658 static HRESULT compile_exitsub_statement(compile_ctx_t *ctx)
660 if(ctx->sub_end_label == -1) {
661 FIXME("Exit Sub outside Sub?\n");
665 return push_instr_addr(ctx, OP_jmp, ctx->sub_end_label);
668 static HRESULT compile_exitfunc_statement(compile_ctx_t *ctx)
670 if(ctx->func_end_label == -1) {
671 FIXME("Exit Function outside Function?\n");
675 return push_instr_addr(ctx, OP_jmp, ctx->func_end_label);
678 static HRESULT compile_exitprop_statement(compile_ctx_t *ctx)
680 if(ctx->prop_end_label == -1) {
681 FIXME("Exit Property outside Property?\n");
685 return push_instr_addr(ctx, OP_jmp, ctx->prop_end_label);
688 static HRESULT compile_statement(compile_ctx_t *ctx, statement_t *stat)
695 hres = compile_assign_statement(ctx, (assign_statement_t*)stat, FALSE);
698 hres = compile_member_expression(ctx, ((call_statement_t*)stat)->expr, FALSE);
701 hres = compile_dim_statement(ctx, (dim_statement_t*)stat);
705 hres = compile_dowhile_statement(ctx, (while_statement_t*)stat);
708 hres = compile_exitdo_statement(ctx);
711 hres = compile_exitfunc_statement(ctx);
714 hres = compile_exitprop_statement(ctx);
717 hres = compile_exitsub_statement(ctx);
720 hres = compile_function_statement(ctx, (function_statement_t*)stat);
723 hres = compile_if_statement(ctx, (if_statement_t*)stat);
726 hres = compile_assign_statement(ctx, (assign_statement_t*)stat, TRUE);
729 hres = push_instr(ctx, OP_stop) == -1 ? E_OUTOFMEMORY : S_OK;
734 hres = compile_while_statement(ctx, (while_statement_t*)stat);
737 FIXME("Unimplemented statement type %d\n", stat->type);
749 static void resolve_labels(compile_ctx_t *ctx, unsigned off)
753 for(instr = ctx->code->instrs+off; instr < ctx->code->instrs+ctx->instr_cnt; instr++) {
754 if(instr_info[instr->op].arg1_type == ARG_ADDR && (instr->arg1.uint & LABEL_FLAG)) {
755 assert((instr->arg1.uint & ~LABEL_FLAG) < ctx->labels_cnt);
756 instr->arg1.uint = ctx->labels[instr->arg1.uint & ~LABEL_FLAG];
758 assert(instr_info[instr->op].arg2_type != ARG_ADDR);
764 static HRESULT compile_func(compile_ctx_t *ctx, statement_t *stat, function_t *func)
768 func->code_off = ctx->instr_cnt;
770 ctx->while_end_label = -1;
771 ctx->sub_end_label = -1;
772 ctx->func_end_label = -1;
773 ctx->prop_end_label = -1;
777 ctx->func_end_label = alloc_label(ctx);
778 if(ctx->func_end_label == -1)
779 return E_OUTOFMEMORY; /* FIXME ! */
782 ctx->sub_end_label = alloc_label(ctx);
783 if(ctx->sub_end_label == -1)
784 return E_OUTOFMEMORY;
790 ctx->prop_end_label = alloc_label(ctx);
791 if(ctx->prop_end_label == -1)
792 return E_OUTOFMEMORY;
799 ctx->dim_decls = NULL;
800 hres = compile_statement(ctx, stat);
805 assert(ctx->while_end_label == -1);
807 if(ctx->sub_end_label != -1)
808 label_set_addr(ctx, ctx->sub_end_label);
809 if(ctx->func_end_label != -1)
810 label_set_addr(ctx, ctx->func_end_label);
811 if(ctx->prop_end_label != -1)
812 label_set_addr(ctx, ctx->prop_end_label);
814 if(push_instr(ctx, OP_ret) == -1)
815 return E_OUTOFMEMORY;
817 resolve_labels(ctx, func->code_off);
820 dim_decl_t *dim_decl;
822 if(func->type == FUNC_GLOBAL) {
823 dynamic_var_t *new_var;
827 for(dim_decl = ctx->dim_decls; dim_decl; dim_decl = dim_decl->next) {
828 new_var = compiler_alloc(ctx->code, sizeof(*new_var));
830 return E_OUTOFMEMORY;
832 new_var->name = compiler_alloc_string(ctx->code, dim_decl->name);
834 return E_OUTOFMEMORY;
836 V_VT(&new_var->v) = VT_EMPTY;
838 new_var->next = ctx->global_vars;
839 ctx->global_vars = new_var;
844 func->vars = compiler_alloc(ctx->code, func->var_cnt * sizeof(var_desc_t));
846 return E_OUTOFMEMORY;
848 for(dim_decl = ctx->dim_decls, i=0; dim_decl; dim_decl = dim_decl->next, i++) {
849 func->vars[i].name = compiler_alloc_string(ctx->code, dim_decl->name);
850 if(!func->vars[i].name)
851 return E_OUTOFMEMORY;
854 assert(i == func->var_cnt);
861 static BOOL lookup_funcs_name(compile_ctx_t *ctx, const WCHAR *name)
865 for(iter = ctx->funcs; iter; iter = iter->next) {
866 if(!strcmpiW(iter->name, name))
873 static HRESULT create_function(compile_ctx_t *ctx, function_decl_t *decl, function_t **ret)
878 if(lookup_dim_decls(ctx, decl->name) || lookup_funcs_name(ctx, decl->name)) {
879 FIXME("%s: redefinition\n", debugstr_w(decl->name));
883 func = compiler_alloc(ctx->code, sizeof(*func));
885 return E_OUTOFMEMORY;
887 func->name = compiler_alloc_string(ctx->code, decl->name);
889 return E_OUTOFMEMORY;
893 func->code_ctx = ctx->code;
894 func->type = decl->type;
895 func->is_public = decl->is_public;
902 for(arg = decl->args; arg; arg = arg->next)
905 func->args = compiler_alloc(ctx->code, func->arg_cnt * sizeof(arg_desc_t));
907 return E_OUTOFMEMORY;
909 for(i = 0, arg = decl->args; arg; arg = arg->next, i++) {
910 func->args[i].name = compiler_alloc_string(ctx->code, arg->name);
911 if(!func->args[i].name)
912 return E_OUTOFMEMORY;
913 func->args[i].by_ref = arg->by_ref;
919 hres = compile_func(ctx, decl->body, func);
927 static BOOL lookup_class_name(compile_ctx_t *ctx, const WCHAR *name)
931 for(iter = ctx->classes; iter; iter = iter->next) {
932 if(!strcmpiW(iter->name, name))
939 static HRESULT create_class_funcprop(compile_ctx_t *ctx, function_decl_t *func_decl, vbdisp_funcprop_desc_t *desc)
941 vbdisp_invoke_type_t invoke_type;
942 function_decl_t *funcprop_decl;
945 desc->name = compiler_alloc_string(ctx->code, func_decl->name);
947 return E_OUTOFMEMORY;
949 for(funcprop_decl = func_decl; funcprop_decl; funcprop_decl = funcprop_decl->next_prop_func) {
950 switch(funcprop_decl->type) {
955 invoke_type = VBDISP_CALLGET;
958 invoke_type = VBDISP_LET;
961 invoke_type = VBDISP_SET;
967 assert(!desc->entries[invoke_type]);
969 if(funcprop_decl->is_public)
970 desc->is_public = TRUE;
972 hres = create_function(ctx, funcprop_decl, desc->entries+invoke_type);
980 static BOOL lookup_class_funcs(class_desc_t *class_desc, const WCHAR *name)
984 for(i=0; i < class_desc->func_cnt; i++) {
985 if(class_desc->funcs[i].name && !strcmpiW(class_desc->funcs[i].name, name))
992 static HRESULT compile_class(compile_ctx_t *ctx, class_decl_t *class_decl)
994 function_decl_t *func_decl, *func_prop_decl;
995 class_prop_decl_t *prop_decl;
996 class_desc_t *class_desc;
1000 static const WCHAR class_initializeW[] = {'c','l','a','s','s','_','i','n','i','t','i','a','l','i','z','e',0};
1001 static const WCHAR class_terminateW[] = {'c','l','a','s','s','_','t','e','r','m','i','n','a','t','e',0};
1003 if(lookup_dim_decls(ctx, class_decl->name) || lookup_funcs_name(ctx, class_decl->name)
1004 || lookup_class_name(ctx, class_decl->name)) {
1005 FIXME("%s: redefinition\n", debugstr_w(class_decl->name));
1009 class_desc = compiler_alloc(ctx->code, sizeof(*class_desc));
1011 return E_OUTOFMEMORY;
1013 class_desc->name = compiler_alloc_string(ctx->code, class_decl->name);
1014 if(!class_desc->name)
1015 return E_OUTOFMEMORY;
1017 class_desc->func_cnt = 1; /* always allocate slot for default getter */
1018 class_desc->prop_cnt = 0;
1019 class_desc->class_initialize_id = 0;
1020 class_desc->class_terminate_id = 0;
1022 for(func_decl = class_decl->funcs; func_decl; func_decl = func_decl->next) {
1023 for(func_prop_decl = func_decl; func_prop_decl; func_prop_decl = func_prop_decl->next_prop_func) {
1024 if(func_prop_decl->type == FUNC_DEFGET)
1028 class_desc->func_cnt++;
1031 class_desc->funcs = compiler_alloc(ctx->code, class_desc->func_cnt*sizeof(*class_desc->funcs));
1032 if(!class_desc->funcs)
1033 return E_OUTOFMEMORY;
1034 memset(class_desc->funcs, 0, class_desc->func_cnt*sizeof(*class_desc->funcs));
1036 for(func_decl = class_decl->funcs, i=1; func_decl; func_decl = func_decl->next, i++) {
1037 for(func_prop_decl = func_decl; func_prop_decl; func_prop_decl = func_prop_decl->next_prop_func) {
1038 if(func_prop_decl->type == FUNC_DEFGET) {
1044 if(!strcmpiW(class_initializeW, func_decl->name)) {
1045 if(func_decl->type != FUNC_SUB) {
1046 FIXME("class initializer is not sub\n");
1050 class_desc->class_initialize_id = i;
1051 }else if(!strcmpiW(class_terminateW, func_decl->name)) {
1052 if(func_decl->type != FUNC_SUB) {
1053 FIXME("class terminator is not sub\n");
1057 class_desc->class_terminate_id = i;
1060 hres = create_class_funcprop(ctx, func_decl, class_desc->funcs + (func_prop_decl ? 0 : i));
1065 for(prop_decl = class_decl->props; prop_decl; prop_decl = prop_decl->next)
1066 class_desc->prop_cnt++;
1068 class_desc->props = compiler_alloc(ctx->code, class_desc->prop_cnt*sizeof(*class_desc->props));
1069 if(!class_desc->props)
1070 return E_OUTOFMEMORY;
1072 for(prop_decl = class_decl->props, i=0; prop_decl; prop_decl = prop_decl->next, i++) {
1073 if(lookup_class_funcs(class_desc, prop_decl->name)) {
1074 FIXME("Property %s redefined\n", debugstr_w(prop_decl->name));
1078 class_desc->props[i].name = compiler_alloc_string(ctx->code, prop_decl->name);
1079 if(!class_desc->props[i].name)
1080 return E_OUTOFMEMORY;
1082 class_desc->props[i].is_public = prop_decl->is_public;
1085 class_desc->next = ctx->classes;
1086 ctx->classes = class_desc;
1090 static BOOL lookup_script_identifier(script_ctx_t *script, const WCHAR *identifier)
1092 class_desc_t *class;
1096 for(var = script->global_vars; var; var = var->next) {
1097 if(!strcmpiW(var->name, identifier))
1101 for(func = script->global_funcs; func; func = func->next) {
1102 if(!strcmpiW(func->name, identifier))
1106 for(class = script->classes; class; class = class->next) {
1107 if(!strcmpiW(class->name, identifier))
1114 static HRESULT check_script_collisions(compile_ctx_t *ctx, script_ctx_t *script)
1116 class_desc_t *class;
1120 for(var = ctx->global_vars; var; var = var->next) {
1121 if(lookup_script_identifier(script, var->name)) {
1122 FIXME("%s: redefined\n", debugstr_w(var->name));
1127 for(func = ctx->funcs; func; func = func->next) {
1128 if(lookup_script_identifier(script, func->name)) {
1129 FIXME("%s: redefined\n", debugstr_w(func->name));
1134 for(class = ctx->classes; class; class = class->next) {
1135 if(lookup_script_identifier(script, class->name)) {
1136 FIXME("%s: redefined\n", debugstr_w(class->name));
1144 void release_vbscode(vbscode_t *code)
1148 list_remove(&code->entry);
1150 for(i=0; i < code->bstr_cnt; i++)
1151 SysFreeString(code->bstr_pool[i]);
1153 vbsheap_free(&code->heap);
1155 heap_free(code->bstr_pool);
1156 heap_free(code->source);
1157 heap_free(code->instrs);
1161 static vbscode_t *alloc_vbscode(compile_ctx_t *ctx, const WCHAR *source)
1165 ret = heap_alloc(sizeof(*ret));
1169 ret->source = heap_strdupW(source);
1175 ret->instrs = heap_alloc(32*sizeof(instr_t));
1177 release_vbscode(ret);
1182 ctx->instr_size = 32;
1183 vbsheap_init(&ret->heap);
1185 ret->option_explicit = ctx->parser.option_explicit;
1187 ret->bstr_pool = NULL;
1188 ret->bstr_pool_size = 0;
1190 ret->global_executed = FALSE;
1192 ret->global_code.type = FUNC_GLOBAL;
1193 ret->global_code.name = NULL;
1194 ret->global_code.code_ctx = ret;
1195 ret->global_code.vars = NULL;
1196 ret->global_code.var_cnt = 0;
1197 ret->global_code.arg_cnt = 0;
1198 ret->global_code.args = NULL;
1200 list_init(&ret->entry);
1204 static void release_compiler(compile_ctx_t *ctx)
1206 parser_release(&ctx->parser);
1207 heap_free(ctx->labels);
1209 release_vbscode(ctx->code);
1212 HRESULT compile_script(script_ctx_t *script, const WCHAR *src, vbscode_t **ret)
1214 function_t *new_func;
1215 function_decl_t *func_decl;
1216 class_decl_t *class_decl;
1221 hres = parse_script(&ctx.parser, src);
1225 code = ctx.code = alloc_vbscode(&ctx, src);
1227 return E_OUTOFMEMORY;
1230 ctx.func_decls = NULL;
1231 ctx.global_vars = NULL;
1232 ctx.dim_decls = NULL;
1235 ctx.labels_cnt = ctx.labels_size = 0;
1237 hres = compile_func(&ctx, ctx.parser.stats, &ctx.code->global_code);
1239 release_compiler(&ctx);
1243 for(func_decl = ctx.func_decls; func_decl; func_decl = func_decl->next) {
1244 hres = create_function(&ctx, func_decl, &new_func);
1246 release_compiler(&ctx);
1250 new_func->next = ctx.funcs;
1251 ctx.funcs = new_func;
1254 for(class_decl = ctx.parser.class_decls; class_decl; class_decl = class_decl->next) {
1255 hres = compile_class(&ctx, class_decl);
1257 release_compiler(&ctx);
1262 hres = check_script_collisions(&ctx, script);
1264 release_compiler(&ctx);
1268 if(ctx.global_vars) {
1271 for(var = ctx.global_vars; var->next; var = var->next);
1273 var->next = script->global_vars;
1274 script->global_vars = ctx.global_vars;
1278 for(new_func = ctx.funcs; new_func->next; new_func = new_func->next);
1280 new_func->next = script->global_funcs;
1281 script->global_funcs = ctx.funcs;
1285 class_desc_t *class = ctx.classes;
1288 class->ctx = script;
1291 class = class->next;
1294 class->next = script->classes;
1295 script->classes = ctx.classes;
1298 if(TRACE_ON(vbscript_disas))
1302 release_compiler(&ctx);
1304 list_add_tail(&script->code_list, &code->entry);