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", 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_idiv);
387 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_imp);
389 return compile_member_expression(ctx, (member_expression_t*)expr, TRUE);
391 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mod);
393 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_mul);
395 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_neg);
397 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_nequal);
399 return push_instr_str(ctx, OP_new, ((string_expression_t*)expr)->value);
401 return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_not);
403 return push_instr(ctx, OP_nothing) != -1 ? S_OK : E_OUTOFMEMORY;
405 return push_instr(ctx, OP_null) != -1 ? S_OK : E_OUTOFMEMORY;
407 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_or);
409 return push_instr_str(ctx, OP_string, ((string_expression_t*)expr)->value);
411 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_sub);
413 return push_instr_int(ctx, OP_short, ((int_expression_t*)expr)->value);
415 return push_instr_int(ctx, OP_long, ((int_expression_t*)expr)->value);
417 return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_xor);
419 FIXME("Unimplemented expression type %d\n", expr->type);
426 static HRESULT compile_if_statement(compile_ctx_t *ctx, if_statement_t *stat)
428 unsigned cnd_jmp, endif_label = -1;
429 elseif_decl_t *elseif_decl;
432 hres = compile_expression(ctx, stat->expr);
436 cnd_jmp = push_instr(ctx, OP_jmp_false);
438 return E_OUTOFMEMORY;
440 hres = compile_statement(ctx, stat->if_stat);
444 if(stat->else_stat || stat->elseifs) {
445 endif_label = alloc_label(ctx);
446 if(endif_label == -1)
447 return E_OUTOFMEMORY;
449 hres = push_instr_addr(ctx, OP_jmp, endif_label);
454 for(elseif_decl = stat->elseifs; elseif_decl; elseif_decl = elseif_decl->next) {
455 instr_ptr(ctx, cnd_jmp)->arg1.uint = ctx->instr_cnt;
457 hres = compile_expression(ctx, elseif_decl->expr);
461 cnd_jmp = push_instr(ctx, OP_jmp_false);
463 return E_OUTOFMEMORY;
465 hres = compile_statement(ctx, elseif_decl->stat);
469 hres = push_instr_addr(ctx, OP_jmp, endif_label);
474 instr_ptr(ctx, cnd_jmp)->arg1.uint = ctx->instr_cnt;
476 if(stat->else_stat) {
477 hres = compile_statement(ctx, stat->else_stat);
482 if(endif_label != -1)
483 label_set_addr(ctx, endif_label);
487 static HRESULT compile_while_statement(compile_ctx_t *ctx, while_statement_t *stat)
489 unsigned start_addr, prev_label;
493 start_addr = ctx->instr_cnt;
495 hres = compile_expression(ctx, stat->expr);
499 jmp_end = push_instr(ctx, stat->stat.type == STAT_UNTIL ? OP_jmp_true : OP_jmp_false);
501 return E_OUTOFMEMORY;
503 if(stat->stat.type != STAT_WHILE) {
504 prev_label = ctx->while_end_label;
505 if((ctx->while_end_label = alloc_label(ctx)) == -1)
506 return E_OUTOFMEMORY;
509 hres = compile_statement(ctx, stat->body);
513 hres = push_instr_addr(ctx, OP_jmp, start_addr);
517 instr_ptr(ctx, jmp_end)->arg1.uint = ctx->instr_cnt;
519 if(stat->stat.type != STAT_WHILE) {
520 label_set_addr(ctx, ctx->while_end_label);
521 ctx->while_end_label = prev_label;
527 static HRESULT compile_assign_statement(compile_ctx_t *ctx, assign_statement_t *stat, BOOL is_set)
531 hres = compile_expression(ctx, stat->value_expr);
535 if(stat->member_expr->args) {
536 FIXME("arguments support not implemented\n");
540 if(stat->member_expr->obj_expr) {
541 hres = compile_expression(ctx, stat->member_expr->obj_expr);
545 hres = push_instr_bstr(ctx, is_set ? OP_set_member : OP_assign_member, stat->member_expr->identifier);
547 hres = push_instr_bstr(ctx, is_set ? OP_set_ident : OP_assign_ident, stat->member_expr->identifier);
553 static BOOL lookup_dim_decls(compile_ctx_t *ctx, const WCHAR *name)
555 dim_decl_t *dim_decl;
557 for(dim_decl = ctx->dim_decls; dim_decl; dim_decl = dim_decl->next) {
558 if(!strcmpiW(dim_decl->name, name))
565 static BOOL lookup_args_name(compile_ctx_t *ctx, const WCHAR *name)
569 for(i = 0; i < ctx->func->arg_cnt; i++) {
570 if(!strcmpiW(ctx->func->args[i].name, name))
577 static HRESULT compile_dim_statement(compile_ctx_t *ctx, dim_statement_t *stat)
579 dim_decl_t *dim_decl = stat->dim_decls;
582 if(lookup_dim_decls(ctx, dim_decl->name) || lookup_args_name(ctx, dim_decl->name)) {
583 FIXME("dim %s name redefined\n", debugstr_w(dim_decl->name));
589 dim_decl = dim_decl->next;
592 dim_decl->next = ctx->dim_decls;
593 ctx->dim_decls = stat->dim_decls;
594 ctx->func->var_cnt++;
598 static HRESULT compile_function_statement(compile_ctx_t *ctx, function_statement_t *stat)
600 if(ctx->func != &ctx->code->global_code) {
601 FIXME("Function is not in the global code\n");
605 stat->func_decl->next = ctx->func_decls;
606 ctx->func_decls = stat->func_decl;
610 static HRESULT compile_exitdo_statement(compile_ctx_t *ctx)
612 if(ctx->while_end_label == -1) {
613 FIXME("Exit Do outside Do Loop\n");
617 return push_instr_addr(ctx, OP_jmp, ctx->while_end_label);
620 static HRESULT compile_exitsub_statement(compile_ctx_t *ctx)
622 if(ctx->sub_end_label == -1) {
623 FIXME("Exit Sub outside Sub?\n");
627 return push_instr_addr(ctx, OP_jmp, ctx->sub_end_label);
630 static HRESULT compile_exitfunc_statement(compile_ctx_t *ctx)
632 if(ctx->func_end_label == -1) {
633 FIXME("Exit Function outside Function?\n");
637 return push_instr_addr(ctx, OP_jmp, ctx->func_end_label);
640 static HRESULT compile_exitprop_statement(compile_ctx_t *ctx)
642 if(ctx->prop_end_label == -1) {
643 FIXME("Exit Property outside Property?\n");
647 return push_instr_addr(ctx, OP_jmp, ctx->prop_end_label);
650 static HRESULT compile_statement(compile_ctx_t *ctx, statement_t *stat)
657 hres = compile_assign_statement(ctx, (assign_statement_t*)stat, FALSE);
660 hres = compile_member_expression(ctx, ((call_statement_t*)stat)->expr, FALSE);
663 hres = compile_dim_statement(ctx, (dim_statement_t*)stat);
666 hres = compile_exitdo_statement(ctx);
669 hres = compile_exitfunc_statement(ctx);
672 hres = compile_exitprop_statement(ctx);
675 hres = compile_exitsub_statement(ctx);
678 hres = compile_function_statement(ctx, (function_statement_t*)stat);
681 hres = compile_if_statement(ctx, (if_statement_t*)stat);
684 hres = compile_assign_statement(ctx, (assign_statement_t*)stat, TRUE);
687 hres = push_instr(ctx, OP_stop) == -1 ? E_OUTOFMEMORY : S_OK;
692 hres = compile_while_statement(ctx, (while_statement_t*)stat);
695 FIXME("Unimplemented statement type %d\n", stat->type);
707 static void resolve_labels(compile_ctx_t *ctx, unsigned off)
711 for(instr = ctx->code->instrs+off; instr < ctx->code->instrs+ctx->instr_cnt; instr++) {
712 if(instr_info[instr->op].arg1_type == ARG_ADDR && (instr->arg1.uint & LABEL_FLAG)) {
713 assert((instr->arg1.uint & ~LABEL_FLAG) < ctx->labels_cnt);
714 instr->arg1.uint = ctx->labels[instr->arg1.uint & ~LABEL_FLAG];
716 assert(instr_info[instr->op].arg2_type != ARG_ADDR);
722 static HRESULT compile_func(compile_ctx_t *ctx, statement_t *stat, function_t *func)
726 func->code_off = ctx->instr_cnt;
728 ctx->while_end_label = -1;
729 ctx->sub_end_label = -1;
730 ctx->func_end_label = -1;
731 ctx->prop_end_label = -1;
735 ctx->func_end_label = alloc_label(ctx);
736 if(ctx->func_end_label == -1)
737 return E_OUTOFMEMORY; /* FIXME ! */
740 ctx->sub_end_label = alloc_label(ctx);
741 if(ctx->sub_end_label == -1)
742 return E_OUTOFMEMORY;
748 ctx->prop_end_label = alloc_label(ctx);
749 if(ctx->prop_end_label == -1)
750 return E_OUTOFMEMORY;
757 ctx->dim_decls = NULL;
758 hres = compile_statement(ctx, stat);
763 assert(ctx->while_end_label == -1);
765 if(ctx->sub_end_label != -1)
766 label_set_addr(ctx, ctx->sub_end_label);
767 if(ctx->func_end_label != -1)
768 label_set_addr(ctx, ctx->func_end_label);
769 if(ctx->prop_end_label != -1)
770 label_set_addr(ctx, ctx->prop_end_label);
772 if(push_instr(ctx, OP_ret) == -1)
773 return E_OUTOFMEMORY;
775 resolve_labels(ctx, func->code_off);
778 dim_decl_t *dim_decl;
780 if(func->type == FUNC_GLOBAL) {
781 dynamic_var_t *new_var;
785 for(dim_decl = ctx->dim_decls; dim_decl; dim_decl = dim_decl->next) {
786 new_var = compiler_alloc(ctx->code, sizeof(*new_var));
788 return E_OUTOFMEMORY;
790 new_var->name = compiler_alloc_string(ctx->code, dim_decl->name);
792 return E_OUTOFMEMORY;
794 V_VT(&new_var->v) = VT_EMPTY;
796 new_var->next = ctx->global_vars;
797 ctx->global_vars = new_var;
802 func->vars = compiler_alloc(ctx->code, func->var_cnt * sizeof(var_desc_t));
804 return E_OUTOFMEMORY;
806 for(dim_decl = ctx->dim_decls, i=0; dim_decl; dim_decl = dim_decl->next, i++) {
807 func->vars[i].name = compiler_alloc_string(ctx->code, dim_decl->name);
808 if(!func->vars[i].name)
809 return E_OUTOFMEMORY;
812 assert(i == func->var_cnt);
819 static BOOL lookup_funcs_name(compile_ctx_t *ctx, const WCHAR *name)
823 for(iter = ctx->funcs; iter; iter = iter->next) {
824 if(!strcmpiW(iter->name, name))
831 static HRESULT create_function(compile_ctx_t *ctx, function_decl_t *decl, function_t **ret)
836 if(lookup_dim_decls(ctx, decl->name) || lookup_funcs_name(ctx, decl->name)) {
837 FIXME("%s: redefinition\n", debugstr_w(decl->name));
841 func = compiler_alloc(ctx->code, sizeof(*func));
843 return E_OUTOFMEMORY;
845 func->name = compiler_alloc_string(ctx->code, decl->name);
847 return E_OUTOFMEMORY;
851 func->code_ctx = ctx->code;
852 func->type = decl->type;
853 func->is_public = decl->is_public;
860 for(arg = decl->args; arg; arg = arg->next)
863 func->args = compiler_alloc(ctx->code, func->arg_cnt * sizeof(arg_desc_t));
865 return E_OUTOFMEMORY;
867 for(i = 0, arg = decl->args; arg; arg = arg->next, i++) {
868 func->args[i].name = compiler_alloc_string(ctx->code, arg->name);
869 if(!func->args[i].name)
870 return E_OUTOFMEMORY;
871 func->args[i].by_ref = arg->by_ref;
877 hres = compile_func(ctx, decl->body, func);
885 static BOOL lookup_class_name(compile_ctx_t *ctx, const WCHAR *name)
889 for(iter = ctx->classes; iter; iter = iter->next) {
890 if(!strcmpiW(iter->name, name))
897 static HRESULT create_class_funcprop(compile_ctx_t *ctx, function_decl_t *func_decl, vbdisp_funcprop_desc_t *desc)
899 vbdisp_invoke_type_t invoke_type;
900 function_decl_t *funcprop_decl;
903 desc->name = compiler_alloc_string(ctx->code, func_decl->name);
905 return E_OUTOFMEMORY;
907 for(funcprop_decl = func_decl; funcprop_decl; funcprop_decl = funcprop_decl->next_prop_func) {
908 switch(funcprop_decl->type) {
913 invoke_type = VBDISP_CALLGET;
916 invoke_type = VBDISP_LET;
919 invoke_type = VBDISP_SET;
925 assert(!desc->entries[invoke_type]);
927 if(funcprop_decl->is_public)
928 desc->is_public = TRUE;
930 hres = create_function(ctx, funcprop_decl, desc->entries+invoke_type);
938 static BOOL lookup_class_funcs(class_desc_t *class_desc, const WCHAR *name)
942 for(i=0; i < class_desc->func_cnt; i++) {
943 if(class_desc->funcs[i].name && !strcmpiW(class_desc->funcs[i].name, name))
950 static HRESULT compile_class(compile_ctx_t *ctx, class_decl_t *class_decl)
952 function_decl_t *func_decl, *func_prop_decl;
953 class_prop_decl_t *prop_decl;
954 class_desc_t *class_desc;
958 static const WCHAR class_initializeW[] = {'c','l','a','s','s','_','i','n','i','t','i','a','l','i','z','e',0};
959 static const WCHAR class_terminateW[] = {'c','l','a','s','s','_','t','e','r','m','i','n','a','t','e',0};
961 if(lookup_dim_decls(ctx, class_decl->name) || lookup_funcs_name(ctx, class_decl->name)
962 || lookup_class_name(ctx, class_decl->name)) {
963 FIXME("%s: redefinition\n", debugstr_w(class_decl->name));
967 class_desc = compiler_alloc(ctx->code, sizeof(*class_desc));
969 return E_OUTOFMEMORY;
971 class_desc->name = compiler_alloc_string(ctx->code, class_decl->name);
972 if(!class_desc->name)
973 return E_OUTOFMEMORY;
975 class_desc->func_cnt = 1; /* always allocate slot for default getter */
976 class_desc->prop_cnt = 0;
977 class_desc->class_initialize_id = 0;
978 class_desc->class_terminate_id = 0;
980 for(func_decl = class_decl->funcs; func_decl; func_decl = func_decl->next) {
981 for(func_prop_decl = func_decl; func_prop_decl; func_prop_decl = func_prop_decl->next_prop_func) {
982 if(func_prop_decl->type == FUNC_DEFGET)
986 class_desc->func_cnt++;
989 class_desc->funcs = compiler_alloc(ctx->code, class_desc->func_cnt*sizeof(*class_desc->funcs));
990 if(!class_desc->funcs)
991 return E_OUTOFMEMORY;
992 memset(class_desc->funcs, 0, class_desc->func_cnt*sizeof(*class_desc->funcs));
994 for(func_decl = class_decl->funcs, i=1; func_decl; func_decl = func_decl->next, i++) {
995 for(func_prop_decl = func_decl; func_prop_decl; func_prop_decl = func_prop_decl->next_prop_func) {
996 if(func_prop_decl->type == FUNC_DEFGET) {
1002 if(!strcmpiW(class_initializeW, func_decl->name)) {
1003 if(func_decl->type != FUNC_SUB) {
1004 FIXME("class initializer is not sub\n");
1008 class_desc->class_initialize_id = i;
1009 }else if(!strcmpiW(class_terminateW, func_decl->name)) {
1010 if(func_decl->type != FUNC_SUB) {
1011 FIXME("class terminator is not sub\n");
1015 class_desc->class_terminate_id = i;
1018 hres = create_class_funcprop(ctx, func_decl, class_desc->funcs + (func_prop_decl ? 0 : i));
1023 for(prop_decl = class_decl->props; prop_decl; prop_decl = prop_decl->next)
1024 class_desc->prop_cnt++;
1026 class_desc->props = compiler_alloc(ctx->code, class_desc->prop_cnt*sizeof(*class_desc->props));
1027 if(!class_desc->props)
1028 return E_OUTOFMEMORY;
1030 for(prop_decl = class_decl->props, i=0; prop_decl; prop_decl = prop_decl->next, i++) {
1031 if(lookup_class_funcs(class_desc, prop_decl->name)) {
1032 FIXME("Property %s redefined\n", debugstr_w(prop_decl->name));
1036 class_desc->props[i].name = compiler_alloc_string(ctx->code, prop_decl->name);
1037 if(!class_desc->props[i].name)
1038 return E_OUTOFMEMORY;
1040 class_desc->props[i].is_public = prop_decl->is_public;
1043 class_desc->next = ctx->classes;
1044 ctx->classes = class_desc;
1048 static BOOL lookup_script_identifier(script_ctx_t *script, const WCHAR *identifier)
1050 class_desc_t *class;
1054 for(var = script->global_vars; var; var = var->next) {
1055 if(!strcmpiW(var->name, identifier))
1059 for(func = script->global_funcs; func; func = func->next) {
1060 if(!strcmpiW(func->name, identifier))
1064 for(class = script->classes; class; class = class->next) {
1065 if(!strcmpiW(class->name, identifier))
1072 static HRESULT check_script_collisions(compile_ctx_t *ctx, script_ctx_t *script)
1074 class_desc_t *class;
1078 for(var = ctx->global_vars; var; var = var->next) {
1079 if(lookup_script_identifier(script, var->name)) {
1080 FIXME("%s: redefined\n", debugstr_w(var->name));
1085 for(func = ctx->funcs; func; func = func->next) {
1086 if(lookup_script_identifier(script, func->name)) {
1087 FIXME("%s: redefined\n", debugstr_w(func->name));
1092 for(class = ctx->classes; class; class = class->next) {
1093 if(lookup_script_identifier(script, class->name)) {
1094 FIXME("%s: redefined\n", debugstr_w(class->name));
1102 void release_vbscode(vbscode_t *code)
1106 list_remove(&code->entry);
1108 for(i=0; i < code->bstr_cnt; i++)
1109 SysFreeString(code->bstr_pool[i]);
1111 vbsheap_free(&code->heap);
1113 heap_free(code->bstr_pool);
1114 heap_free(code->source);
1115 heap_free(code->instrs);
1119 static vbscode_t *alloc_vbscode(compile_ctx_t *ctx, const WCHAR *source)
1123 ret = heap_alloc(sizeof(*ret));
1127 ret->source = heap_strdupW(source);
1133 ret->instrs = heap_alloc(32*sizeof(instr_t));
1135 release_vbscode(ret);
1140 ctx->instr_size = 32;
1141 vbsheap_init(&ret->heap);
1143 ret->option_explicit = ctx->parser.option_explicit;
1145 ret->bstr_pool = NULL;
1146 ret->bstr_pool_size = 0;
1148 ret->global_executed = FALSE;
1150 ret->global_code.type = FUNC_GLOBAL;
1151 ret->global_code.name = NULL;
1152 ret->global_code.code_ctx = ret;
1153 ret->global_code.vars = NULL;
1154 ret->global_code.var_cnt = 0;
1155 ret->global_code.arg_cnt = 0;
1156 ret->global_code.args = NULL;
1158 list_init(&ret->entry);
1162 static void release_compiler(compile_ctx_t *ctx)
1164 parser_release(&ctx->parser);
1165 heap_free(ctx->labels);
1167 release_vbscode(ctx->code);
1170 HRESULT compile_script(script_ctx_t *script, const WCHAR *src, vbscode_t **ret)
1172 function_t *new_func;
1173 function_decl_t *func_decl;
1174 class_decl_t *class_decl;
1179 hres = parse_script(&ctx.parser, src);
1183 code = ctx.code = alloc_vbscode(&ctx, src);
1185 return E_OUTOFMEMORY;
1188 ctx.func_decls = NULL;
1189 ctx.global_vars = NULL;
1190 ctx.dim_decls = NULL;
1193 ctx.labels_cnt = ctx.labels_size = 0;
1195 hres = compile_func(&ctx, ctx.parser.stats, &ctx.code->global_code);
1197 release_compiler(&ctx);
1201 for(func_decl = ctx.func_decls; func_decl; func_decl = func_decl->next) {
1202 hres = create_function(&ctx, func_decl, &new_func);
1204 release_compiler(&ctx);
1208 new_func->next = ctx.funcs;
1209 ctx.funcs = new_func;
1212 for(class_decl = ctx.parser.class_decls; class_decl; class_decl = class_decl->next) {
1213 hres = compile_class(&ctx, class_decl);
1215 release_compiler(&ctx);
1220 hres = check_script_collisions(&ctx, script);
1222 release_compiler(&ctx);
1226 if(ctx.global_vars) {
1229 for(var = ctx.global_vars; var->next; var = var->next);
1231 var->next = script->global_vars;
1232 script->global_vars = ctx.global_vars;
1236 for(new_func = ctx.funcs; new_func->next; new_func = new_func->next);
1238 new_func->next = script->global_funcs;
1239 script->global_funcs = ctx.funcs;
1243 class_desc_t *class = ctx.classes;
1246 class->ctx = script;
1249 class = class->next;
1252 class->next = script->classes;
1253 script->classes = ctx.classes;
1256 if(TRACE_ON(vbscript_disas))
1260 release_compiler(&ctx);
1262 list_add_tail(&script->code_list, &code->entry);