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
25 #include "wine/debug.h"
27 WINE_DEFAULT_DEBUG_CHANNEL(jscript
);
28 WINE_DECLARE_DEBUG_CHANNEL(jscript_disas
);
30 typedef struct _statement_ctx_t
{
36 unsigned continue_label
;
38 const labelled_statement_t
*labelled_stat
;
40 struct _statement_ctx_t
*next
;
56 statement_ctx_t
*stat_ctx
;
57 function_code_t
*func
;
59 variable_declaration_t
*var_head
;
60 variable_declaration_t
*var_tail
;
62 function_expression_t
*func_head
;
63 function_expression_t
*func_tail
;
68 instr_arg_type_t arg1_type
;
69 instr_arg_type_t arg2_type
;
71 #define X(n,a,b,c) {#n,b,c},
76 static void dump_instr_arg(instr_arg_type_t type
, instr_arg_t
*arg
)
80 TRACE_(jscript_disas
)("\t%s", debugstr_jsstr(arg
->str
));
83 TRACE_(jscript_disas
)("\t%s", debugstr_wn(arg
->bstr
, SysStringLen(arg
->bstr
)));
86 TRACE_(jscript_disas
)("\t%d", arg
->uint
);
90 TRACE_(jscript_disas
)("\t%u", arg
->uint
);
100 static void dump_code(compiler_ctx_t
*ctx
, unsigned off
)
104 for(instr
= ctx
->code
->instrs
+off
; instr
< ctx
->code
->instrs
+ctx
->code_off
; instr
++) {
105 TRACE_(jscript_disas
)("%d:\t%s", (int)(instr
-ctx
->code
->instrs
), instr_info
[instr
->op
].op_str
);
106 if(instr_info
[instr
->op
].arg1_type
== ARG_DBL
) {
107 TRACE_(jscript_disas
)("\t%lf", instr
->u
.dbl
);
109 dump_instr_arg(instr_info
[instr
->op
].arg1_type
, instr
->u
.arg
);
110 dump_instr_arg(instr_info
[instr
->op
].arg2_type
, instr
->u
.arg
+1);
112 TRACE_(jscript_disas
)("\n");
116 static HRESULT
compile_expression(compiler_ctx_t
*,expression_t
*,BOOL
);
117 static HRESULT
compile_statement(compiler_ctx_t
*,statement_ctx_t
*,statement_t
*);
119 static inline void *compiler_alloc(bytecode_t
*code
, size_t size
)
121 return jsheap_alloc(&code
->heap
, size
);
124 static jsstr_t
*compiler_alloc_string_len(compiler_ctx_t
*ctx
, const WCHAR
*str
, unsigned len
)
128 if(!ctx
->code
->str_pool_size
) {
129 ctx
->code
->str_pool
= heap_alloc(8 * sizeof(jsstr_t
*));
130 if(!ctx
->code
->str_pool
)
132 ctx
->code
->str_pool_size
= 8;
133 }else if(ctx
->code
->str_pool_size
== ctx
->code
->str_cnt
) {
136 new_pool
= heap_realloc(ctx
->code
->str_pool
, ctx
->code
->str_pool_size
*2*sizeof(jsstr_t
*));
140 ctx
->code
->str_pool
= new_pool
;
141 ctx
->code
->str_pool_size
*= 2;
144 new_str
= jsstr_alloc_len(str
, len
);
148 ctx
->code
->str_pool
[ctx
->code
->str_cnt
++] = new_str
;
152 static jsstr_t
*compiler_alloc_string(compiler_ctx_t
*ctx
, const WCHAR
*str
)
154 return compiler_alloc_string_len(ctx
, str
, strlenW(str
));
157 static BOOL
ensure_bstr_slot(compiler_ctx_t
*ctx
)
159 if(!ctx
->code
->bstr_pool_size
) {
160 ctx
->code
->bstr_pool
= heap_alloc(8 * sizeof(BSTR
));
161 if(!ctx
->code
->bstr_pool
)
163 ctx
->code
->bstr_pool_size
= 8;
164 }else if(ctx
->code
->bstr_pool_size
== ctx
->code
->bstr_cnt
) {
167 new_pool
= heap_realloc(ctx
->code
->bstr_pool
, ctx
->code
->bstr_pool_size
*2*sizeof(BSTR
));
171 ctx
->code
->bstr_pool
= new_pool
;
172 ctx
->code
->bstr_pool_size
*= 2;
178 static BSTR
compiler_alloc_bstr(compiler_ctx_t
*ctx
, const WCHAR
*str
)
180 if(!ensure_bstr_slot(ctx
))
183 ctx
->code
->bstr_pool
[ctx
->code
->bstr_cnt
] = SysAllocString(str
);
184 if(!ctx
->code
->bstr_pool
[ctx
->code
->bstr_cnt
])
187 return ctx
->code
->bstr_pool
[ctx
->code
->bstr_cnt
++];
190 static BSTR
compiler_alloc_bstr_len(compiler_ctx_t
*ctx
, const WCHAR
*str
, size_t len
)
192 if(!ensure_bstr_slot(ctx
))
195 ctx
->code
->bstr_pool
[ctx
->code
->bstr_cnt
] = SysAllocStringLen(str
, len
);
196 if(!ctx
->code
->bstr_pool
[ctx
->code
->bstr_cnt
])
199 return ctx
->code
->bstr_pool
[ctx
->code
->bstr_cnt
++];
202 static unsigned push_instr(compiler_ctx_t
*ctx
, jsop_t op
)
204 assert(ctx
->code_size
>= ctx
->code_off
);
206 if(ctx
->code_size
== ctx
->code_off
) {
209 new_instrs
= heap_realloc(ctx
->code
->instrs
, ctx
->code_size
*2*sizeof(instr_t
));
213 ctx
->code
->instrs
= new_instrs
;
217 ctx
->code
->instrs
[ctx
->code_off
].op
= op
;
218 return ctx
->code_off
++;
221 static inline instr_t
*instr_ptr(compiler_ctx_t
*ctx
, unsigned off
)
223 assert(off
< ctx
->code_off
);
224 return ctx
->code
->instrs
+ off
;
227 static HRESULT
push_instr_int(compiler_ctx_t
*ctx
, jsop_t op
, LONG arg
)
231 instr
= push_instr(ctx
, op
);
233 return E_OUTOFMEMORY
;
235 instr_ptr(ctx
, instr
)->u
.arg
->lng
= arg
;
239 static HRESULT
push_instr_str(compiler_ctx_t
*ctx
, jsop_t op
, const WCHAR
*arg
)
244 str
= compiler_alloc_string(ctx
, arg
);
246 return E_OUTOFMEMORY
;
248 instr
= push_instr(ctx
, op
);
250 return E_OUTOFMEMORY
;
252 instr_ptr(ctx
, instr
)->u
.arg
->str
= str
;
256 static HRESULT
push_instr_bstr(compiler_ctx_t
*ctx
, jsop_t op
, const WCHAR
*arg
)
261 str
= compiler_alloc_bstr(ctx
, arg
);
263 return E_OUTOFMEMORY
;
265 instr
= push_instr(ctx
, op
);
267 return E_OUTOFMEMORY
;
269 instr_ptr(ctx
, instr
)->u
.arg
->bstr
= str
;
273 static HRESULT
push_instr_bstr_uint(compiler_ctx_t
*ctx
, jsop_t op
, const WCHAR
*arg1
, unsigned arg2
)
278 str
= compiler_alloc_bstr(ctx
, arg1
);
280 return E_OUTOFMEMORY
;
282 instr
= push_instr(ctx
, op
);
284 return E_OUTOFMEMORY
;
286 instr_ptr(ctx
, instr
)->u
.arg
[0].bstr
= str
;
287 instr_ptr(ctx
, instr
)->u
.arg
[1].uint
= arg2
;
291 static HRESULT
push_instr_uint_str(compiler_ctx_t
*ctx
, jsop_t op
, unsigned arg1
, const WCHAR
*arg2
)
296 str
= compiler_alloc_string(ctx
, arg2
);
298 return E_OUTOFMEMORY
;
300 instr
= push_instr(ctx
, op
);
302 return E_OUTOFMEMORY
;
304 instr_ptr(ctx
, instr
)->u
.arg
[0].uint
= arg1
;
305 instr_ptr(ctx
, instr
)->u
.arg
[1].str
= str
;
309 static HRESULT
push_instr_double(compiler_ctx_t
*ctx
, jsop_t op
, double arg
)
313 instr
= push_instr(ctx
, op
);
315 return E_OUTOFMEMORY
;
317 instr_ptr(ctx
, instr
)->u
.dbl
= arg
;
321 static inline void set_arg_uint(compiler_ctx_t
*ctx
, unsigned instr
, unsigned arg
)
323 instr_ptr(ctx
, instr
)->u
.arg
->uint
= arg
;
326 static HRESULT
push_instr_uint(compiler_ctx_t
*ctx
, jsop_t op
, unsigned arg
)
330 instr
= push_instr(ctx
, op
);
332 return E_OUTOFMEMORY
;
334 set_arg_uint(ctx
, instr
, arg
);
338 static HRESULT
compile_binary_expression(compiler_ctx_t
*ctx
, binary_expression_t
*expr
, jsop_t op
)
342 hres
= compile_expression(ctx
, expr
->expression1
, TRUE
);
346 hres
= compile_expression(ctx
, expr
->expression2
, TRUE
);
350 return push_instr(ctx
, op
) ? S_OK
: E_OUTOFMEMORY
;
353 static HRESULT
compile_unary_expression(compiler_ctx_t
*ctx
, unary_expression_t
*expr
, jsop_t op
)
357 hres
= compile_expression(ctx
, expr
->expression
, TRUE
);
361 return push_instr(ctx
, op
) ? S_OK
: E_OUTOFMEMORY
;
364 /* ECMA-262 3rd Edition 11.2.1 */
365 static HRESULT
compile_member_expression(compiler_ctx_t
*ctx
, member_expression_t
*expr
)
369 hres
= compile_expression(ctx
, expr
->expression
, TRUE
);
373 return push_instr_bstr(ctx
, OP_member
, expr
->identifier
);
376 #define LABEL_FLAG 0x80000000
378 static unsigned alloc_label(compiler_ctx_t
*ctx
)
380 if(!ctx
->labels_size
) {
381 ctx
->labels
= heap_alloc(8 * sizeof(*ctx
->labels
));
384 ctx
->labels_size
= 8;
385 }else if(ctx
->labels_size
== ctx
->labels_cnt
) {
386 unsigned *new_labels
;
388 new_labels
= heap_realloc(ctx
->labels
, 2*ctx
->labels_size
*sizeof(*ctx
->labels
));
392 ctx
->labels
= new_labels
;
393 ctx
->labels_size
*= 2;
396 return ctx
->labels_cnt
++ | LABEL_FLAG
;
399 static void label_set_addr(compiler_ctx_t
*ctx
, unsigned label
)
401 assert(label
& LABEL_FLAG
);
402 ctx
->labels
[label
& ~LABEL_FLAG
] = ctx
->code_off
;
405 static inline BOOL
is_memberid_expr(expression_type_t type
)
407 return type
== EXPR_IDENT
|| type
== EXPR_MEMBER
|| type
== EXPR_ARRAY
;
410 static HRESULT
compile_memberid_expression(compiler_ctx_t
*ctx
, expression_t
*expr
, unsigned flags
)
416 identifier_expression_t
*ident_expr
= (identifier_expression_t
*)expr
;
418 hres
= push_instr_bstr_uint(ctx
, OP_identid
, ident_expr
->identifier
, flags
);
422 binary_expression_t
*array_expr
= (binary_expression_t
*)expr
;
424 hres
= compile_expression(ctx
, array_expr
->expression1
, TRUE
);
428 hres
= compile_expression(ctx
, array_expr
->expression2
, TRUE
);
432 hres
= push_instr_uint(ctx
, OP_memberid
, flags
);
436 member_expression_t
*member_expr
= (member_expression_t
*)expr
;
438 hres
= compile_expression(ctx
, member_expr
->expression
, TRUE
);
442 /* FIXME: Potential optimization */
443 hres
= push_instr_str(ctx
, OP_str
, member_expr
->identifier
);
447 hres
= push_instr_uint(ctx
, OP_memberid
, flags
);
457 static HRESULT
compile_increment_expression(compiler_ctx_t
*ctx
, unary_expression_t
*expr
, jsop_t op
, int n
)
461 if(!is_memberid_expr(expr
->expression
->type
)) {
462 hres
= compile_expression(ctx
, expr
->expression
, TRUE
);
466 return push_instr_uint(ctx
, OP_throw_ref
, JS_E_ILLEGAL_ASSIGN
);
469 hres
= compile_memberid_expression(ctx
, expr
->expression
, fdexNameEnsure
);
473 return push_instr_int(ctx
, op
, n
);
476 /* ECMA-262 3rd Edition 11.14 */
477 static HRESULT
compile_comma_expression(compiler_ctx_t
*ctx
, binary_expression_t
*expr
, BOOL emit_ret
)
481 hres
= compile_expression(ctx
, expr
->expression1
, FALSE
);
485 return compile_expression(ctx
, expr
->expression2
, emit_ret
);
488 /* ECMA-262 3rd Edition 11.11 */
489 static HRESULT
compile_logical_expression(compiler_ctx_t
*ctx
, binary_expression_t
*expr
, jsop_t op
)
494 hres
= compile_expression(ctx
, expr
->expression1
, TRUE
);
498 instr
= push_instr(ctx
, op
);
500 return E_OUTOFMEMORY
;
502 hres
= compile_expression(ctx
, expr
->expression2
, TRUE
);
506 set_arg_uint(ctx
, instr
, ctx
->code_off
);
510 /* ECMA-262 3rd Edition 11.12 */
511 static HRESULT
compile_conditional_expression(compiler_ctx_t
*ctx
, conditional_expression_t
*expr
)
513 unsigned jmp_false
, jmp_end
;
516 hres
= compile_expression(ctx
, expr
->expression
, TRUE
);
520 jmp_false
= push_instr(ctx
, OP_cnd_z
);
522 return E_OUTOFMEMORY
;
524 hres
= compile_expression(ctx
, expr
->true_expression
, TRUE
);
528 jmp_end
= push_instr(ctx
, OP_jmp
);
530 return E_OUTOFMEMORY
;
532 set_arg_uint(ctx
, jmp_false
, ctx
->code_off
);
533 hres
= push_instr_uint(ctx
, OP_pop
, 1);
537 hres
= compile_expression(ctx
, expr
->false_expression
, TRUE
);
541 set_arg_uint(ctx
, jmp_end
, ctx
->code_off
);
545 static HRESULT
compile_new_expression(compiler_ctx_t
*ctx
, call_expression_t
*expr
)
547 unsigned arg_cnt
= 0;
551 hres
= compile_expression(ctx
, expr
->expression
, TRUE
);
555 for(arg
= expr
->argument_list
; arg
; arg
= arg
->next
) {
556 hres
= compile_expression(ctx
, arg
->expr
, TRUE
);
562 return push_instr_uint(ctx
, OP_new
, arg_cnt
);
565 static HRESULT
compile_call_expression(compiler_ctx_t
*ctx
, call_expression_t
*expr
, BOOL emit_ret
)
567 unsigned arg_cnt
= 0;
573 if(is_memberid_expr(expr
->expression
->type
)) {
575 hres
= compile_memberid_expression(ctx
, expr
->expression
, 0);
578 hres
= compile_expression(ctx
, expr
->expression
, TRUE
);
584 for(arg
= expr
->argument_list
; arg
; arg
= arg
->next
) {
585 hres
= compile_expression(ctx
, arg
->expr
, TRUE
);
591 instr
= push_instr(ctx
, op
);
593 return E_OUTOFMEMORY
;
595 instr_ptr(ctx
, instr
)->u
.arg
[0].uint
= arg_cnt
;
596 instr_ptr(ctx
, instr
)->u
.arg
[1].lng
= emit_ret
;
600 static HRESULT
compile_delete_expression(compiler_ctx_t
*ctx
, unary_expression_t
*expr
)
604 switch(expr
->expression
->type
) {
606 binary_expression_t
*array_expr
= (binary_expression_t
*)expr
->expression
;
608 hres
= compile_expression(ctx
, array_expr
->expression1
, TRUE
);
612 hres
= compile_expression(ctx
, array_expr
->expression2
, TRUE
);
616 if(!push_instr(ctx
, OP_delete
))
617 return E_OUTOFMEMORY
;
621 member_expression_t
*member_expr
= (member_expression_t
*)expr
->expression
;
623 hres
= compile_expression(ctx
, member_expr
->expression
, TRUE
);
627 /* FIXME: Potential optimization */
628 hres
= push_instr_str(ctx
, OP_str
, member_expr
->identifier
);
632 if(!push_instr(ctx
, OP_delete
))
633 return E_OUTOFMEMORY
;
637 return push_instr_bstr(ctx
, OP_delete_ident
, ((identifier_expression_t
*)expr
->expression
)->identifier
);
639 const WCHAR fixmeW
[] = {'F','I','X','M','E',0};
641 WARN("invalid delete, unimplemented exception message\n");
643 hres
= compile_expression(ctx
, expr
->expression
, TRUE
);
647 return push_instr_uint_str(ctx
, OP_throw_type
, JS_E_INVALID_DELETE
, fixmeW
);
654 static HRESULT
compile_assign_expression(compiler_ctx_t
*ctx
, binary_expression_t
*expr
, jsop_t op
)
656 BOOL use_throw_path
= FALSE
;
657 unsigned arg_cnt
= 0;
660 if(expr
->expression1
->type
== EXPR_CALL
) {
661 call_expression_t
*call_expr
= (call_expression_t
*)expr
->expression1
;
665 FIXME("op %d not supported on parametrized assign expressions\n", op
);
669 if(is_memberid_expr(call_expr
->expression
->type
) && call_expr
->argument_list
) {
670 hres
= compile_memberid_expression(ctx
, call_expr
->expression
, fdexNameEnsure
);
674 for(arg
= call_expr
->argument_list
; arg
; arg
= arg
->next
) {
675 hres
= compile_expression(ctx
, arg
->expr
, TRUE
);
681 use_throw_path
= TRUE
;
683 }else if(is_memberid_expr(expr
->expression1
->type
)) {
684 hres
= compile_memberid_expression(ctx
, expr
->expression1
, fdexNameEnsure
);
688 use_throw_path
= TRUE
;
692 /* Illegal assignment: evaluate and throw */
693 hres
= compile_expression(ctx
, expr
->expression1
, TRUE
);
697 hres
= compile_expression(ctx
, expr
->expression2
, TRUE
);
701 if(op
!= OP_LAST
&& !push_instr(ctx
, op
))
702 return E_OUTOFMEMORY
;
704 return push_instr_uint(ctx
, OP_throw_ref
, JS_E_ILLEGAL_ASSIGN
);
707 if(op
!= OP_LAST
&& !push_instr(ctx
, OP_refval
))
708 return E_OUTOFMEMORY
;
710 hres
= compile_expression(ctx
, expr
->expression2
, TRUE
);
714 if(op
!= OP_LAST
&& !push_instr(ctx
, op
))
715 return E_OUTOFMEMORY
;
718 return push_instr_uint(ctx
, OP_assign_call
, arg_cnt
);
720 if(!push_instr(ctx
, OP_assign
))
721 return E_OUTOFMEMORY
;
726 static HRESULT
compile_typeof_expression(compiler_ctx_t
*ctx
, unary_expression_t
*expr
)
731 if(is_memberid_expr(expr
->expression
->type
)) {
732 if(expr
->expression
->type
== EXPR_IDENT
)
733 return push_instr_bstr(ctx
, OP_typeofident
, ((identifier_expression_t
*)expr
->expression
)->identifier
);
736 hres
= compile_memberid_expression(ctx
, expr
->expression
, 0);
739 hres
= compile_expression(ctx
, expr
->expression
, TRUE
);
744 return push_instr(ctx
, op
) ? S_OK
: E_OUTOFMEMORY
;
747 static HRESULT
compile_literal(compiler_ctx_t
*ctx
, literal_t
*literal
)
749 switch(literal
->type
) {
751 return push_instr_int(ctx
, OP_bool
, literal
->u
.bval
);
753 return push_instr_double(ctx
, OP_double
, literal
->u
.dval
);
755 return push_instr(ctx
, OP_null
) ? S_OK
: E_OUTOFMEMORY
;
757 return push_instr_str(ctx
, OP_str
, literal
->u
.wstr
);
762 str
= compiler_alloc_string_len(ctx
, literal
->u
.regexp
.str
, literal
->u
.regexp
.str_len
);
764 return E_OUTOFMEMORY
;
766 instr
= push_instr(ctx
, OP_regexp
);
768 return E_OUTOFMEMORY
;
770 instr_ptr(ctx
, instr
)->u
.arg
[0].str
= str
;
771 instr_ptr(ctx
, instr
)->u
.arg
[1].uint
= literal
->u
.regexp
.flags
;
780 static HRESULT
literal_as_bstr(compiler_ctx_t
*ctx
, literal_t
*literal
, BSTR
*str
)
782 switch(literal
->type
) {
784 *str
= compiler_alloc_bstr(ctx
, literal
->u
.wstr
);
790 hres
= double_to_string(literal
->u
.dval
, &jsstr
);
794 *str
= SysAllocStringLen(jsstr
->str
, jsstr_length(jsstr
));
795 jsstr_release(jsstr
);
802 return *str
? S_OK
: E_OUTOFMEMORY
;
805 static HRESULT
compile_array_literal(compiler_ctx_t
*ctx
, array_literal_expression_t
*expr
)
807 unsigned i
, elem_cnt
= expr
->length
;
808 array_element_t
*iter
;
811 for(iter
= expr
->element_list
; iter
; iter
= iter
->next
) {
812 elem_cnt
+= iter
->elision
+1;
814 for(i
=0; i
< iter
->elision
; i
++) {
815 if(!push_instr(ctx
, OP_undefined
))
816 return E_OUTOFMEMORY
;
819 hres
= compile_expression(ctx
, iter
->expr
, TRUE
);
824 for(i
=0; i
< expr
->length
; i
++) {
825 if(!push_instr(ctx
, OP_undefined
))
826 return E_OUTOFMEMORY
;
829 return push_instr_uint(ctx
, OP_carray
, elem_cnt
);
832 static HRESULT
compile_object_literal(compiler_ctx_t
*ctx
, property_value_expression_t
*expr
)
839 if(!push_instr(ctx
, OP_new_obj
))
840 return E_OUTOFMEMORY
;
842 for(iter
= expr
->property_list
; iter
; iter
= iter
->next
) {
843 hres
= literal_as_bstr(ctx
, iter
->name
, &name
);
847 hres
= compile_expression(ctx
, iter
->value
, TRUE
);
851 instr
= push_instr(ctx
, OP_obj_prop
);
853 return E_OUTOFMEMORY
;
855 instr_ptr(ctx
, instr
)->u
.arg
->bstr
= name
;
861 static HRESULT
compile_function_expression(compiler_ctx_t
*ctx
, function_expression_t
*expr
)
863 ctx
->func_tail
= ctx
->func_tail
? (ctx
->func_tail
->next
= expr
) : (ctx
->func_head
= expr
);
865 /* FIXME: not exactly right */
866 if(expr
->identifier
) {
867 ctx
->func
->func_cnt
++;
868 return push_instr_bstr(ctx
, OP_ident
, expr
->identifier
);
871 return push_instr_uint(ctx
, OP_func
, ctx
->func
->func_cnt
++);
874 static HRESULT
compile_expression(compiler_ctx_t
*ctx
, expression_t
*expr
, BOOL emit_ret
)
880 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_add
);
883 hres
= compile_logical_expression(ctx
, (binary_expression_t
*)expr
, OP_cnd_z
);
886 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_array
);
889 hres
= compile_array_literal(ctx
, (array_literal_expression_t
*)expr
);
892 hres
= compile_assign_expression(ctx
, (binary_expression_t
*)expr
, OP_LAST
);
895 hres
= compile_assign_expression(ctx
, (binary_expression_t
*)expr
, OP_add
);
898 hres
= compile_assign_expression(ctx
, (binary_expression_t
*)expr
, OP_and
);
901 hres
= compile_assign_expression(ctx
, (binary_expression_t
*)expr
, OP_sub
);
904 hres
= compile_assign_expression(ctx
, (binary_expression_t
*)expr
, OP_mul
);
907 hres
= compile_assign_expression(ctx
, (binary_expression_t
*)expr
, OP_div
);
910 hres
= compile_assign_expression(ctx
, (binary_expression_t
*)expr
, OP_mod
);
913 hres
= compile_assign_expression(ctx
, (binary_expression_t
*)expr
, OP_or
);
915 case EXPR_ASSIGNLSHIFT
:
916 hres
= compile_assign_expression(ctx
, (binary_expression_t
*)expr
, OP_lshift
);
918 case EXPR_ASSIGNRSHIFT
:
919 hres
= compile_assign_expression(ctx
, (binary_expression_t
*)expr
, OP_rshift
);
921 case EXPR_ASSIGNRRSHIFT
:
922 hres
= compile_assign_expression(ctx
, (binary_expression_t
*)expr
, OP_rshift2
);
925 hres
= compile_assign_expression(ctx
, (binary_expression_t
*)expr
, OP_xor
);
928 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_and
);
931 hres
= compile_unary_expression(ctx
, (unary_expression_t
*)expr
, OP_bneg
);
934 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_or
);
937 return compile_call_expression(ctx
, (call_expression_t
*)expr
, emit_ret
);
939 return compile_comma_expression(ctx
, (binary_expression_t
*)expr
, emit_ret
);
941 hres
= compile_conditional_expression(ctx
, (conditional_expression_t
*)expr
);
944 hres
= compile_delete_expression(ctx
, (unary_expression_t
*)expr
);
947 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_div
);
950 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_eq
);
953 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_eq2
);
956 hres
= compile_function_expression(ctx
, (function_expression_t
*)expr
);
959 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_gt
);
962 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_gteq
);
965 hres
= push_instr_bstr(ctx
, OP_ident
, ((identifier_expression_t
*)expr
)->identifier
);
968 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_in
);
970 case EXPR_INSTANCEOF
:
971 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_instanceof
);
974 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_lt
);
977 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_lteq
);
980 hres
= compile_literal(ctx
, ((literal_expression_t
*)expr
)->literal
);
983 hres
= compile_unary_expression(ctx
, (unary_expression_t
*)expr
, OP_neg
);
986 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_lshift
);
989 hres
= compile_member_expression(ctx
, (member_expression_t
*)expr
);
992 hres
= compile_unary_expression(ctx
, (unary_expression_t
*)expr
, OP_minus
);
995 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_mod
);
998 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_mul
);
1001 hres
= compile_new_expression(ctx
, (call_expression_t
*)expr
);
1004 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_neq
);
1007 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_neq2
);
1010 hres
= compile_logical_expression(ctx
, (binary_expression_t
*)expr
, OP_cnd_nz
);
1013 hres
= compile_unary_expression(ctx
, (unary_expression_t
*)expr
, OP_tonum
);
1016 hres
= compile_increment_expression(ctx
, (unary_expression_t
*)expr
, OP_postinc
, -1);
1019 hres
= compile_increment_expression(ctx
, (unary_expression_t
*)expr
, OP_postinc
, 1);
1022 hres
= compile_increment_expression(ctx
, (unary_expression_t
*)expr
, OP_preinc
, -1);
1025 hres
= compile_increment_expression(ctx
, (unary_expression_t
*)expr
, OP_preinc
, 1);
1028 hres
= compile_object_literal(ctx
, (property_value_expression_t
*)expr
);
1031 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_rshift
);
1034 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_rshift2
);
1037 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_sub
);
1040 return !emit_ret
|| push_instr(ctx
, OP_this
) ? S_OK
: E_OUTOFMEMORY
;
1042 hres
= compile_typeof_expression(ctx
, (unary_expression_t
*)expr
);
1045 hres
= compile_unary_expression(ctx
, (unary_expression_t
*)expr
, OP_void
);
1048 hres
= compile_binary_expression(ctx
, (binary_expression_t
*)expr
, OP_xor
);
1057 return emit_ret
? S_OK
: push_instr_uint(ctx
, OP_pop
, 1);
1060 static inline BOOL
is_loop_statement(statement_type_t type
)
1062 return type
== STAT_FOR
|| type
== STAT_FORIN
|| type
== STAT_WHILE
;
1065 /* ECMA-262 3rd Edition 12.1 */
1066 static HRESULT
compile_block_statement(compiler_ctx_t
*ctx
, statement_t
*iter
)
1071 hres
= compile_statement(ctx
, NULL
, iter
);
1081 /* ECMA-262 3rd Edition 12.2 */
1082 static HRESULT
compile_variable_list(compiler_ctx_t
*ctx
, variable_declaration_t
*list
)
1084 variable_declaration_t
*iter
;
1087 assert(list
!= NULL
);
1090 ctx
->var_tail
->global_next
= list
;
1092 ctx
->var_head
= list
;
1094 for(iter
= list
; iter
; iter
= iter
->next
) {
1095 ctx
->func
->var_cnt
++;
1096 iter
->global_next
= iter
->next
;
1098 ctx
->var_tail
= iter
;
1103 hres
= compile_expression(ctx
, iter
->expr
, TRUE
);
1107 hres
= push_instr_bstr(ctx
, OP_var_set
, iter
->identifier
);
1115 /* ECMA-262 3rd Edition 12.2 */
1116 static HRESULT
compile_var_statement(compiler_ctx_t
*ctx
, var_statement_t
*stat
)
1118 return compile_variable_list(ctx
, stat
->variable_list
);
1121 /* ECMA-262 3rd Edition 12.4 */
1122 static HRESULT
compile_expression_statement(compiler_ctx_t
*ctx
, expression_statement_t
*stat
)
1126 hres
= compile_expression(ctx
, stat
->expr
, ctx
->from_eval
);
1130 return !ctx
->from_eval
|| push_instr(ctx
, OP_setret
) ? S_OK
: E_OUTOFMEMORY
;
1133 /* ECMA-262 3rd Edition 12.5 */
1134 static HRESULT
compile_if_statement(compiler_ctx_t
*ctx
, if_statement_t
*stat
)
1139 hres
= compile_expression(ctx
, stat
->expr
, TRUE
);
1143 jmp_else
= push_instr(ctx
, OP_jmp_z
);
1145 return E_OUTOFMEMORY
;
1147 hres
= compile_statement(ctx
, NULL
, stat
->if_stat
);
1151 if(stat
->else_stat
) {
1154 jmp_end
= push_instr(ctx
, OP_jmp
);
1156 return E_OUTOFMEMORY
;
1158 set_arg_uint(ctx
, jmp_else
, ctx
->code_off
);
1160 hres
= compile_statement(ctx
, NULL
, stat
->else_stat
);
1164 set_arg_uint(ctx
, jmp_end
, ctx
->code_off
);
1166 set_arg_uint(ctx
, jmp_else
, ctx
->code_off
);
1172 /* ECMA-262 3rd Edition 12.6.2 */
1173 static HRESULT
compile_while_statement(compiler_ctx_t
*ctx
, while_statement_t
*stat
)
1175 statement_ctx_t stat_ctx
= {0, FALSE
, FALSE
};
1179 stat_ctx
.break_label
= alloc_label(ctx
);
1180 if(!stat_ctx
.break_label
)
1181 return E_OUTOFMEMORY
;
1183 stat_ctx
.continue_label
= alloc_label(ctx
);
1184 if(!stat_ctx
.continue_label
)
1185 return E_OUTOFMEMORY
;
1187 jmp_off
= ctx
->code_off
;
1189 if(!stat
->do_while
) {
1190 label_set_addr(ctx
, stat_ctx
.continue_label
);
1191 hres
= compile_expression(ctx
, stat
->expr
, TRUE
);
1195 hres
= push_instr_uint(ctx
, OP_jmp_z
, stat_ctx
.break_label
);
1200 hres
= compile_statement(ctx
, &stat_ctx
, stat
->statement
);
1204 if(stat
->do_while
) {
1205 label_set_addr(ctx
, stat_ctx
.continue_label
);
1206 hres
= compile_expression(ctx
, stat
->expr
, TRUE
);
1210 hres
= push_instr_uint(ctx
, OP_jmp_z
, stat_ctx
.break_label
);
1215 hres
= push_instr_uint(ctx
, OP_jmp
, jmp_off
);
1219 label_set_addr(ctx
, stat_ctx
.break_label
);
1223 /* ECMA-262 3rd Edition 12.6.3 */
1224 static HRESULT
compile_for_statement(compiler_ctx_t
*ctx
, for_statement_t
*stat
)
1226 statement_ctx_t stat_ctx
= {0, FALSE
, FALSE
};
1230 if(stat
->variable_list
) {
1231 hres
= compile_variable_list(ctx
, stat
->variable_list
);
1234 }else if(stat
->begin_expr
) {
1235 hres
= compile_expression(ctx
, stat
->begin_expr
, FALSE
);
1240 stat_ctx
.break_label
= alloc_label(ctx
);
1241 if(!stat_ctx
.break_label
)
1242 return E_OUTOFMEMORY
;
1244 stat_ctx
.continue_label
= alloc_label(ctx
);
1245 if(!stat_ctx
.continue_label
)
1246 return E_OUTOFMEMORY
;
1248 expr_off
= ctx
->code_off
;
1251 hres
= compile_expression(ctx
, stat
->expr
, TRUE
);
1255 hres
= push_instr_uint(ctx
, OP_jmp_z
, stat_ctx
.break_label
);
1260 hres
= compile_statement(ctx
, &stat_ctx
, stat
->statement
);
1264 label_set_addr(ctx
, stat_ctx
.continue_label
);
1266 if(stat
->end_expr
) {
1267 hres
= compile_expression(ctx
, stat
->end_expr
, FALSE
);
1272 hres
= push_instr_uint(ctx
, OP_jmp
, expr_off
);
1276 label_set_addr(ctx
, stat_ctx
.break_label
);
1280 /* ECMA-262 3rd Edition 12.6.4 */
1281 static HRESULT
compile_forin_statement(compiler_ctx_t
*ctx
, forin_statement_t
*stat
)
1283 statement_ctx_t stat_ctx
= {4, FALSE
, FALSE
};
1286 if(stat
->variable
) {
1287 hres
= compile_variable_list(ctx
, stat
->variable
);
1292 stat_ctx
.break_label
= alloc_label(ctx
);
1293 if(!stat_ctx
.break_label
)
1294 return E_OUTOFMEMORY
;
1296 stat_ctx
.continue_label
= alloc_label(ctx
);
1297 if(!stat_ctx
.continue_label
)
1298 return E_OUTOFMEMORY
;
1300 hres
= compile_expression(ctx
, stat
->in_expr
, TRUE
);
1304 if(stat
->variable
) {
1305 hres
= push_instr_bstr_uint(ctx
, OP_identid
, stat
->variable
->identifier
, fdexNameEnsure
);
1308 }else if(is_memberid_expr(stat
->expr
->type
)) {
1309 hres
= compile_memberid_expression(ctx
, stat
->expr
, fdexNameEnsure
);
1313 hres
= push_instr_uint(ctx
, OP_throw_ref
, JS_E_ILLEGAL_ASSIGN
);
1317 /* FIXME: compile statement anyways when we depend on compiler to check errors */
1321 hres
= push_instr_int(ctx
, OP_int
, DISPID_STARTENUM
);
1325 label_set_addr(ctx
, stat_ctx
.continue_label
);
1326 hres
= push_instr_uint(ctx
, OP_forin
, stat_ctx
.break_label
);
1328 return E_OUTOFMEMORY
;
1330 hres
= compile_statement(ctx
, &stat_ctx
, stat
->statement
);
1334 hres
= push_instr_uint(ctx
, OP_jmp
, stat_ctx
.continue_label
);
1338 label_set_addr(ctx
, stat_ctx
.break_label
);
1342 static HRESULT
pop_to_stat(compiler_ctx_t
*ctx
, BOOL var_stack
, BOOL scope_stack
, statement_ctx_t
*stat_ctx
)
1344 unsigned stack_pop
= 0;
1345 statement_ctx_t
*iter
;
1347 for(iter
= ctx
->stat_ctx
; iter
!= stat_ctx
; iter
= iter
->next
) {
1349 if(iter
->using_scope
&& !push_instr(ctx
, OP_pop_scope
))
1350 return E_OUTOFMEMORY
;
1351 if(iter
->using_except
&& !push_instr(ctx
, OP_pop_except
))
1352 return E_OUTOFMEMORY
;
1354 stack_pop
+= iter
->stack_use
;
1357 if(var_stack
&& stack_pop
) {
1360 hres
= push_instr_uint(ctx
, OP_pop
, stack_pop
);
1368 /* ECMA-262 3rd Edition 12.7 */
1369 static HRESULT
compile_continue_statement(compiler_ctx_t
*ctx
, branch_statement_t
*stat
)
1371 statement_ctx_t
*pop_ctx
;
1374 if(stat
->identifier
) {
1375 statement_t
*label_stat
;
1376 statement_ctx_t
*iter
;
1380 for(iter
= ctx
->stat_ctx
; iter
; iter
= iter
->next
) {
1381 if(iter
->continue_label
)
1383 if(iter
->labelled_stat
&& !strcmpW(iter
->labelled_stat
->identifier
, stat
->identifier
))
1388 WARN("Label not found\n");
1389 return JS_E_LABEL_NOT_FOUND
;
1392 /* Labelled continue are allowed only on loops */
1393 for(label_stat
= iter
->labelled_stat
->statement
;
1394 label_stat
->type
== STAT_LABEL
;
1395 label_stat
= ((labelled_statement_t
*)label_stat
)->statement
);
1396 if(!is_loop_statement(label_stat
->type
)) {
1397 WARN("Label is not a loop\n");
1398 return JS_E_INVALID_CONTINUE
;
1401 assert(pop_ctx
!= NULL
);
1403 for(pop_ctx
= ctx
->stat_ctx
; pop_ctx
; pop_ctx
= pop_ctx
->next
) {
1404 if(pop_ctx
->continue_label
)
1409 WARN("continue outside loop\n");
1410 return JS_E_INVALID_CONTINUE
;
1414 hres
= pop_to_stat(ctx
, TRUE
, TRUE
, pop_ctx
);
1418 return push_instr_uint(ctx
, OP_jmp
, pop_ctx
->continue_label
);
1421 /* ECMA-262 3rd Edition 12.8 */
1422 static HRESULT
compile_break_statement(compiler_ctx_t
*ctx
, branch_statement_t
*stat
)
1424 statement_ctx_t
*pop_ctx
;
1427 if(stat
->identifier
) {
1428 for(pop_ctx
= ctx
->stat_ctx
; pop_ctx
; pop_ctx
= pop_ctx
->next
) {
1429 if(pop_ctx
->labelled_stat
&& !strcmpW(pop_ctx
->labelled_stat
->identifier
, stat
->identifier
)) {
1430 assert(pop_ctx
->break_label
);
1436 WARN("Label not found\n");
1437 return JS_E_LABEL_NOT_FOUND
;
1440 for(pop_ctx
= ctx
->stat_ctx
; pop_ctx
; pop_ctx
= pop_ctx
->next
) {
1441 if(pop_ctx
->break_label
&& !pop_ctx
->labelled_stat
)
1446 WARN("Break outside loop\n");
1447 return JS_E_INVALID_BREAK
;
1451 hres
= pop_to_stat(ctx
, TRUE
, TRUE
, pop_ctx
->next
);
1455 return push_instr_uint(ctx
, OP_jmp
, pop_ctx
->break_label
);
1458 /* ECMA-262 3rd Edition 12.9 */
1459 static HRESULT
compile_return_statement(compiler_ctx_t
*ctx
, expression_statement_t
*stat
)
1463 if(ctx
->from_eval
) {
1464 WARN("misplaced return statement\n");
1465 return JS_E_MISPLACED_RETURN
;
1468 hres
= pop_to_stat(ctx
, TRUE
, FALSE
, NULL
);
1473 hres
= compile_expression(ctx
, stat
->expr
, TRUE
);
1476 if(!push_instr(ctx
, OP_setret
))
1477 return E_OUTOFMEMORY
;
1480 hres
= pop_to_stat(ctx
, FALSE
, TRUE
, NULL
);
1484 return push_instr(ctx
, OP_ret
) ? S_OK
: E_OUTOFMEMORY
;
1487 /* ECMA-262 3rd Edition 12.10 */
1488 static HRESULT
compile_with_statement(compiler_ctx_t
*ctx
, with_statement_t
*stat
)
1490 statement_ctx_t stat_ctx
= {0, TRUE
, FALSE
};
1493 hres
= compile_expression(ctx
, stat
->expr
, TRUE
);
1497 if(!push_instr(ctx
, OP_push_scope
))
1498 return E_OUTOFMEMORY
;
1500 hres
= compile_statement(ctx
, &stat_ctx
, stat
->statement
);
1504 if(!push_instr(ctx
, OP_pop_scope
))
1505 return E_OUTOFMEMORY
;
1510 /* ECMA-262 3rd Edition 12.10 */
1511 static HRESULT
compile_labelled_statement(compiler_ctx_t
*ctx
, labelled_statement_t
*stat
)
1513 statement_ctx_t stat_ctx
= {0, FALSE
, FALSE
, 0, 0, stat
}, *iter
;
1516 for(iter
= ctx
->stat_ctx
; iter
; iter
= iter
->next
) {
1517 if(iter
->labelled_stat
&& !strcmpW(iter
->labelled_stat
->identifier
, stat
->identifier
)) {
1518 WARN("Label %s redefined\n", debugstr_w(stat
->identifier
));
1519 return JS_E_LABEL_REDEFINED
;
1523 /* Labelled breaks are allowed for any labelled statements, not only loops (violating spec) */
1524 stat_ctx
.break_label
= alloc_label(ctx
);
1525 if(!stat_ctx
.break_label
)
1526 return E_OUTOFMEMORY
;
1528 hres
= compile_statement(ctx
, &stat_ctx
, stat
->statement
);
1532 label_set_addr(ctx
, stat_ctx
.break_label
);
1536 /* ECMA-262 3rd Edition 12.13 */
1537 static HRESULT
compile_switch_statement(compiler_ctx_t
*ctx
, switch_statement_t
*stat
)
1539 statement_ctx_t stat_ctx
= {0, FALSE
, FALSE
};
1540 unsigned case_cnt
= 0, *case_jmps
, i
, default_jmp
;
1541 BOOL have_default
= FALSE
;
1542 statement_t
*stat_iter
;
1543 case_clausule_t
*iter
;
1546 hres
= compile_expression(ctx
, stat
->expr
, TRUE
);
1550 stat_ctx
.break_label
= alloc_label(ctx
);
1551 if(!stat_ctx
.break_label
)
1552 return E_OUTOFMEMORY
;
1554 for(iter
= stat
->case_list
; iter
; iter
= iter
->next
) {
1559 case_jmps
= heap_alloc(case_cnt
* sizeof(*case_jmps
));
1561 return E_OUTOFMEMORY
;
1564 for(iter
= stat
->case_list
; iter
; iter
= iter
->next
) {
1566 have_default
= TRUE
;
1570 hres
= compile_expression(ctx
, iter
->expr
, TRUE
);
1574 case_jmps
[i
] = push_instr(ctx
, OP_case
);
1576 hres
= E_OUTOFMEMORY
;
1582 if(SUCCEEDED(hres
)) {
1583 hres
= push_instr_uint(ctx
, OP_pop
, 1);
1584 if(SUCCEEDED(hres
)) {
1585 default_jmp
= push_instr(ctx
, OP_jmp
);
1587 hres
= E_OUTOFMEMORY
;
1592 heap_free(case_jmps
);
1597 for(iter
= stat
->case_list
; iter
; iter
= iter
->next
) {
1598 while(iter
->next
&& iter
->next
->stat
== iter
->stat
) {
1599 set_arg_uint(ctx
, iter
->expr
? case_jmps
[i
++] : default_jmp
, ctx
->code_off
);
1603 set_arg_uint(ctx
, iter
->expr
? case_jmps
[i
++] : default_jmp
, ctx
->code_off
);
1605 for(stat_iter
= iter
->stat
; stat_iter
&& (!iter
->next
|| iter
->next
->stat
!= stat_iter
);
1606 stat_iter
= stat_iter
->next
) {
1607 hres
= compile_statement(ctx
, &stat_ctx
, stat_iter
);
1615 heap_free(case_jmps
);
1618 assert(i
== case_cnt
);
1621 hres
= push_instr_uint(ctx
, OP_jmp
, stat_ctx
.break_label
);
1624 set_arg_uint(ctx
, default_jmp
, ctx
->code_off
);
1627 label_set_addr(ctx
, stat_ctx
.break_label
);
1631 /* ECMA-262 3rd Edition 12.13 */
1632 static HRESULT
compile_throw_statement(compiler_ctx_t
*ctx
, expression_statement_t
*stat
)
1636 hres
= compile_expression(ctx
, stat
->expr
, TRUE
);
1640 return push_instr(ctx
, OP_throw
) ? S_OK
: E_OUTOFMEMORY
;
1643 /* ECMA-262 3rd Edition 12.14 */
1644 static HRESULT
compile_try_statement(compiler_ctx_t
*ctx
, try_statement_t
*stat
)
1646 statement_ctx_t try_ctx
= {0, FALSE
, TRUE
}, catch_ctx
= {0, TRUE
, FALSE
};
1647 statement_ctx_t finally_ctx
= {2, FALSE
, FALSE
};
1648 unsigned push_except
;
1652 push_except
= push_instr(ctx
, OP_push_except
);
1654 return E_OUTOFMEMORY
;
1656 if(stat
->catch_block
) {
1657 ident
= compiler_alloc_bstr(ctx
, stat
->catch_block
->identifier
);
1659 return E_OUTOFMEMORY
;
1664 instr_ptr(ctx
, push_except
)->u
.arg
[1].bstr
= ident
;
1666 if(!stat
->catch_block
)
1667 try_ctx
.stack_use
= 2;
1669 hres
= compile_statement(ctx
, &try_ctx
, stat
->try_statement
);
1673 if(!push_instr(ctx
, OP_pop_except
))
1674 return E_OUTOFMEMORY
;
1676 if(stat
->catch_block
) {
1677 unsigned jmp_finally
;
1679 jmp_finally
= push_instr(ctx
, OP_jmp
);
1681 return E_OUTOFMEMORY
;
1683 instr_ptr(ctx
, push_except
)->u
.arg
[0].uint
= ctx
->code_off
;
1685 hres
= compile_statement(ctx
, &catch_ctx
, stat
->catch_block
->statement
);
1689 if(!push_instr(ctx
, OP_pop_scope
))
1690 return E_OUTOFMEMORY
;
1692 set_arg_uint(ctx
, jmp_finally
, ctx
->code_off
);
1694 set_arg_uint(ctx
, push_except
, ctx
->code_off
);
1697 if(stat
->finally_statement
) {
1698 hres
= compile_statement(ctx
, stat
->catch_block
? NULL
: &finally_ctx
, stat
->finally_statement
);
1702 if(!stat
->catch_block
&& !push_instr(ctx
, OP_end_finally
))
1703 return E_OUTOFMEMORY
;
1709 static HRESULT
compile_statement(compiler_ctx_t
*ctx
, statement_ctx_t
*stat_ctx
, statement_t
*stat
)
1714 stat_ctx
->next
= ctx
->stat_ctx
;
1715 ctx
->stat_ctx
= stat_ctx
;
1718 switch(stat
->type
) {
1720 hres
= compile_block_statement(ctx
, ((block_statement_t
*)stat
)->stat_list
);
1723 hres
= compile_break_statement(ctx
, (branch_statement_t
*)stat
);
1726 hres
= compile_continue_statement(ctx
, (branch_statement_t
*)stat
);
1733 hres
= compile_expression_statement(ctx
, (expression_statement_t
*)stat
);
1736 hres
= compile_for_statement(ctx
, (for_statement_t
*)stat
);
1739 hres
= compile_forin_statement(ctx
, (forin_statement_t
*)stat
);
1742 hres
= compile_if_statement(ctx
, (if_statement_t
*)stat
);
1745 hres
= compile_labelled_statement(ctx
, (labelled_statement_t
*)stat
);
1748 hres
= compile_return_statement(ctx
, (expression_statement_t
*)stat
);
1751 hres
= compile_switch_statement(ctx
, (switch_statement_t
*)stat
);
1754 hres
= compile_throw_statement(ctx
, (expression_statement_t
*)stat
);
1757 hres
= compile_try_statement(ctx
, (try_statement_t
*)stat
);
1760 hres
= compile_var_statement(ctx
, (var_statement_t
*)stat
);
1763 hres
= compile_while_statement(ctx
, (while_statement_t
*)stat
);
1766 hres
= compile_with_statement(ctx
, (with_statement_t
*)stat
);
1774 assert(ctx
->stat_ctx
== stat_ctx
);
1775 ctx
->stat_ctx
= stat_ctx
->next
;
1781 static void resolve_labels(compiler_ctx_t
*ctx
, unsigned off
)
1785 for(instr
= ctx
->code
->instrs
+off
; instr
< ctx
->code
->instrs
+ctx
->code_off
; instr
++) {
1786 if(instr_info
[instr
->op
].arg1_type
== ARG_ADDR
&& (instr
->u
.arg
->uint
& LABEL_FLAG
)) {
1787 assert((instr
->u
.arg
->uint
& ~LABEL_FLAG
) < ctx
->labels_cnt
);
1788 instr
->u
.arg
->uint
= ctx
->labels
[instr
->u
.arg
->uint
& ~LABEL_FLAG
];
1790 assert(instr_info
[instr
->op
].arg2_type
!= ARG_ADDR
);
1793 ctx
->labels_cnt
= 0;
1796 void release_bytecode(bytecode_t
*code
)
1803 for(i
=0; i
< code
->bstr_cnt
; i
++)
1804 SysFreeString(code
->bstr_pool
[i
]);
1805 for(i
=0; i
< code
->str_cnt
; i
++)
1806 jsstr_release(code
->str_pool
[i
]);
1808 heap_free(code
->source
);
1809 jsheap_free(&code
->heap
);
1810 heap_free(code
->bstr_pool
);
1811 heap_free(code
->str_pool
);
1812 heap_free(code
->instrs
);
1816 static HRESULT
init_code(compiler_ctx_t
*compiler
, const WCHAR
*source
)
1818 compiler
->code
= heap_alloc_zero(sizeof(bytecode_t
));
1820 return E_OUTOFMEMORY
;
1822 compiler
->code
->ref
= 1;
1823 jsheap_init(&compiler
->code
->heap
);
1825 compiler
->code
->source
= heap_strdupW(source
);
1826 if(!compiler
->code
->source
) {
1827 release_bytecode(compiler
->code
);
1828 return E_OUTOFMEMORY
;
1831 compiler
->code
->instrs
= heap_alloc(64 * sizeof(instr_t
));
1832 if(!compiler
->code
->instrs
) {
1833 release_bytecode(compiler
->code
);
1834 return E_OUTOFMEMORY
;
1837 compiler
->code_size
= 64;
1838 compiler
->code_off
= 1;
1842 static HRESULT
compile_function(compiler_ctx_t
*ctx
, source_elements_t
*source
, function_expression_t
*func_expr
,
1843 BOOL from_eval
, function_code_t
*func
)
1845 variable_declaration_t
*var_iter
;
1846 function_expression_t
*iter
;
1852 ctx
->var_head
= ctx
->var_tail
= NULL
;
1853 ctx
->func_head
= ctx
->func_tail
= NULL
;
1854 ctx
->from_eval
= from_eval
;
1856 off
= ctx
->code_off
;
1858 hres
= compile_block_statement(ctx
, source
->statement
);
1862 resolve_labels(ctx
, off
);
1864 if(!push_instr(ctx
, OP_ret
))
1865 return E_OUTOFMEMORY
;
1867 if(TRACE_ON(jscript_disas
))
1868 dump_code(ctx
, off
);
1870 func
->instr_off
= off
;
1872 if(func_expr
&& func_expr
->identifier
) {
1873 func
->name
= compiler_alloc_bstr(ctx
, func_expr
->identifier
);
1875 return E_OUTOFMEMORY
;
1879 parameter_t
*param_iter
;
1881 func
->source
= func_expr
->src_str
;
1882 func
->source_len
= func_expr
->src_len
;
1884 for(param_iter
= func_expr
->parameter_list
; param_iter
; param_iter
= param_iter
->next
)
1887 func
->params
= compiler_alloc(ctx
->code
, func
->param_cnt
* sizeof(*func
->params
));
1889 return E_OUTOFMEMORY
;
1891 for(param_iter
= func_expr
->parameter_list
, i
=0; param_iter
; param_iter
= param_iter
->next
, i
++) {
1892 func
->params
[i
] = compiler_alloc_bstr(ctx
, param_iter
->identifier
);
1893 if(!func
->params
[i
])
1894 return E_OUTOFMEMORY
;
1898 func
->variables
= compiler_alloc(ctx
->code
, func
->var_cnt
* sizeof(*func
->variables
));
1899 if(!func
->variables
)
1900 return E_OUTOFMEMORY
;
1902 for(var_iter
= ctx
->var_head
, i
=0; var_iter
; var_iter
= var_iter
->global_next
, i
++) {
1903 func
->variables
[i
] = compiler_alloc_bstr(ctx
, var_iter
->identifier
);
1904 if(!func
->variables
[i
])
1905 return E_OUTOFMEMORY
;
1908 assert(i
== func
->var_cnt
);
1910 func
->funcs
= compiler_alloc(ctx
->code
, func
->func_cnt
* sizeof(*func
->funcs
));
1912 return E_OUTOFMEMORY
;
1913 memset(func
->funcs
, 0, func
->func_cnt
* sizeof(*func
->funcs
));
1915 for(iter
= ctx
->func_head
, i
=0; iter
; iter
= iter
->next
, i
++) {
1916 hres
= compile_function(ctx
, iter
->source_elements
, iter
, FALSE
, func
->funcs
+i
);
1921 assert(i
== func
->func_cnt
);
1926 static HRESULT
parse_arguments(compiler_ctx_t
*ctx
, const WCHAR
*args
, BSTR
*arg_array
, unsigned *args_size
)
1928 const WCHAR
*ptr
= args
, *ptr2
;
1929 unsigned arg_cnt
= 0;
1931 while(isspaceW(*ptr
))
1940 if(!isalphaW(*ptr
) && *ptr
!= '_') {
1941 FIXME("expected alpha or '_': %s\n", debugstr_w(ptr
));
1946 while(isalnumW(*ptr
) || *ptr
== '_')
1949 if(*ptr
&& *ptr
!= ',' && !isspaceW(*ptr
)) {
1950 FIXME("unexpected har %s\n", debugstr_w(ptr
));
1955 arg_array
[arg_cnt
] = compiler_alloc_bstr_len(ctx
, ptr2
, ptr
-ptr2
);
1956 if(!arg_array
[arg_cnt
])
1957 return E_OUTOFMEMORY
;
1961 while(isspaceW(*ptr
))
1966 FIXME("expected ',': %s\n", debugstr_w(ptr
));
1971 while(isspaceW(*ptr
))
1976 *args_size
= arg_cnt
;
1980 static HRESULT
compile_arguments(compiler_ctx_t
*ctx
, const WCHAR
*args
)
1984 hres
= parse_arguments(ctx
, args
, NULL
, &ctx
->code
->global_code
.param_cnt
);
1988 ctx
->code
->global_code
.params
= compiler_alloc(ctx
->code
,
1989 ctx
->code
->global_code
.param_cnt
* sizeof(*ctx
->code
->global_code
.params
));
1990 if(!ctx
->code
->global_code
.params
)
1991 return E_OUTOFMEMORY
;
1993 return parse_arguments(ctx
, args
, ctx
->code
->global_code
.params
, NULL
);
1996 HRESULT
compile_script(script_ctx_t
*ctx
, const WCHAR
*code
, const WCHAR
*args
, const WCHAR
*delimiter
,
1997 BOOL from_eval
, BOOL use_decode
, bytecode_t
**ret
)
1999 compiler_ctx_t compiler
= {0};
2002 hres
= init_code(&compiler
, code
);
2007 hres
= compile_arguments(&compiler
, args
);
2013 hres
= decode_source(compiler
.code
->source
);
2015 WARN("Decoding failed\n");
2020 hres
= script_parse(ctx
, compiler
.code
->source
, delimiter
, from_eval
, &compiler
.parser
);
2022 release_bytecode(compiler
.code
);
2026 hres
= compile_function(&compiler
, compiler
.parser
->source
, NULL
, from_eval
, &compiler
.code
->global_code
);
2027 parser_release(compiler
.parser
);
2029 release_bytecode(compiler
.code
);
2033 *ret
= compiler
.code
;