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
24 #include "wine/debug.h"
26 WINE_DEFAULT_DEBUG_CHANNEL
(vbscript
);
28 #define YYLEX_PARAM ctx
29 #define YYPARSE_PARAM ctx
31 static int parser_error
(const char*);
33 static void parse_complete
(parser_ctx_t
*,BOOL
);
35 static void source_add_statement
(parser_ctx_t
*,statement_t
*);
36 static void source_add_class
(parser_ctx_t
*,class_decl_t
*);
38 static void *new_expression
(parser_ctx_t
*,expression_type_t
,size_t);
39 static expression_t
*new_bool_expression
(parser_ctx_t
*,VARIANT_BOOL
);
40 static expression_t
*new_string_expression
(parser_ctx_t
*,const WCHAR
*);
41 static expression_t
*new_long_expression
(parser_ctx_t
*,expression_type_t
,LONG
);
42 static expression_t
*new_double_expression
(parser_ctx_t
*,double);
43 static expression_t
*new_unary_expression
(parser_ctx_t
*,expression_type_t
,expression_t
*);
44 static expression_t
*new_binary_expression
(parser_ctx_t
*,expression_type_t
,expression_t
*,expression_t
*);
45 static expression_t
*new_new_expression
(parser_ctx_t
*,const WCHAR
*);
47 static member_expression_t
*new_member_expression
(parser_ctx_t
*,expression_t
*,const WCHAR
*);
49 static void *new_statement
(parser_ctx_t
*,statement_type_t
,size_t);
50 static statement_t
*new_call_statement
(parser_ctx_t
*,BOOL
,member_expression_t
*);
51 static statement_t
*new_assign_statement
(parser_ctx_t
*,member_expression_t
*,expression_t
*);
52 static statement_t
*new_set_statement
(parser_ctx_t
*,member_expression_t
*,expression_t
*);
53 static statement_t
*new_dim_statement
(parser_ctx_t
*,dim_decl_t
*);
54 static statement_t
*new_while_statement
(parser_ctx_t
*,statement_type_t
,expression_t
*,statement_t
*);
55 static statement_t
*new_forto_statement
(parser_ctx_t
*,const WCHAR
*,expression_t
*,expression_t
*,expression_t
*,statement_t
*);
56 static statement_t
*new_foreach_statement
(parser_ctx_t
*,const WCHAR
*,expression_t
*,statement_t
*);
57 static statement_t
*new_if_statement
(parser_ctx_t
*,expression_t
*,statement_t
*,elseif_decl_t
*,statement_t
*);
58 static statement_t
*new_function_statement
(parser_ctx_t
*,function_decl_t
*);
59 static statement_t
*new_onerror_statement
(parser_ctx_t
*,BOOL
);
60 static statement_t
*new_const_statement
(parser_ctx_t
*,const_decl_t
*);
61 static statement_t
*new_select_statement
(parser_ctx_t
*,expression_t
*,case_clausule_t
*);
63 static dim_decl_t
*new_dim_decl
(parser_ctx_t
*,const WCHAR
*,dim_decl_t
*);
64 static elseif_decl_t
*new_elseif_decl
(parser_ctx_t
*,expression_t
*,statement_t
*);
65 static function_decl_t
*new_function_decl
(parser_ctx_t
*,const WCHAR
*,function_type_t
,unsigned,arg_decl_t
*,statement_t
*);
66 static arg_decl_t
*new_argument_decl
(parser_ctx_t
*,const WCHAR
*,BOOL
);
67 static const_decl_t
*new_const_decl
(parser_ctx_t
*,const WCHAR
*,expression_t
*);
68 static case_clausule_t
*new_case_clausule
(parser_ctx_t
*,expression_t
*,statement_t
*,case_clausule_t
*);
70 static class_decl_t
*new_class_decl
(parser_ctx_t
*);
71 static class_decl_t
*add_class_function
(parser_ctx_t
*,class_decl_t
*,function_decl_t
*);
72 static class_decl_t
*add_variant_prop
(parser_ctx_t
*,class_decl_t
*,const WCHAR
*,unsigned);
74 static statement_t
*link_statements
(statement_t
*,statement_t
*);
76 static const WCHAR propertyW
[] = {'p','r','o','p','e','r','t','y',0};
78 #define STORAGE_IS_PRIVATE 1
79 #define STORAGE_IS_DEFAULT 2
81 #define CHECK_ERROR if(((parser_ctx_t*)ctx)->hres != S_OK) YYABORT
90 statement_t
*statement
;
91 expression_t
*expression
;
92 member_expression_t
*member
;
93 elseif_decl_t
*elseif
;
95 function_decl_t
*func_decl
;
97 class_decl_t
*class_decl
;
98 const_decl_t
*const_decl
;
99 case_clausule_t
*case_clausule
;
106 %token tEOF tNL tREM tEMPTYBRACKETS
108 %token tNOT tAND tOR tXOR tEQV tIMP tNEQ
109 %token tIS tLTEQ tGTEQ tMOD
110 %token tCALL tDIM tSUB tFUNCTION tPROPERTY tGET tLET tCONST
111 %token tIF tELSE tELSEIF tEND tTHEN tEXIT
112 %token tWHILE tWEND tDO tLOOP tUNTIL tFOR tTO tSTEP tEACH tIN
115 %token tOPTION tEXPLICIT
117 %token tNOTHING tEMPTY tNULL
118 %token tCLASS tSET tNEW tPUBLIC tPRIVATE tDEFAULT tME
119 %token tERROR tNEXT tON tRESUME tGOTO
120 %token
<string> tIdentifier tString
121 %token
<lng
> tLong tShort
124 %type
<statement
> Statement SimpleStatement StatementNl StatementsNl StatementsNl_opt IfStatement Else_opt
125 %type
<expression
> Expression LiteralExpression PrimaryExpression EqualityExpression CallExpression
126 %type
<expression
> ConcatExpression AdditiveExpression ModExpression IntdivExpression MultiplicativeExpression ExpExpression
127 %type
<expression
> NotExpression UnaryExpression AndExpression OrExpression XorExpression EqvExpression
128 %type
<member
> MemberExpression
129 %type
<expression
> Arguments_opt ArgumentList_opt Step_opt ExpressionList
130 %type
<bool> OptionExplicit_opt DoType
131 %type
<arg_decl
> ArgumentsDecl_opt ArgumentDeclList ArgumentDecl
132 %type
<func_decl
> FunctionDecl PropertyDecl
133 %type
<elseif
> ElseIfs_opt ElseIfs ElseIf
134 %type
<class_decl
> ClassDeclaration ClassBody
135 %type
<uint
> Storage Storage_opt
136 %type
<dim_decl
> DimDeclList
137 %type
<const_decl
> ConstDecl ConstDeclList
138 %type
<string> Identifier
139 %type
<case_clausule
> CaseClausules
144 : OptionExplicit_opt SourceElements tEOF
{ parse_complete
(ctx
, $1); }
147 : /* empty */ { $$
= FALSE
; }
148 | tOPTION tEXPLICIT tNL
{ $$
= TRUE
; }
152 | SourceElements StatementNl
{ source_add_statement
(ctx
, $2); }
153 | SourceElements ClassDeclaration
{ source_add_class
(ctx
, $2); }
156 : /* empty */ { $$
= NULL
; }
157 | StatementsNl
{ $$
= $1; }
160 : StatementNl
{ $$
= $1; }
161 | StatementNl StatementsNl
{ $$
= link_statements
($1, $2); }
164 : Statement tNL
{ $$
= $1; }
168 |
':' Statement
{ $$
= $2; }
169 | SimpleStatement
{ $$
= $1; }
170 | SimpleStatement
':' Statement
{ $1->next
= $3; $$
= $1; }
171 | SimpleStatement
':' { $$
= $1; }
174 : MemberExpression ArgumentList_opt
{ $1->args
= $2; $$
= new_call_statement
(ctx
, FALSE
, $1); CHECK_ERROR
; }
175 | tCALL MemberExpression Arguments_opt
{ $2->args
= $3; $$
= new_call_statement
(ctx
, TRUE
, $2); CHECK_ERROR
; }
176 | MemberExpression Arguments_opt
'=' Expression
177 { $1->args
= $2; $$
= new_assign_statement
(ctx
, $1, $4); CHECK_ERROR
; }
178 | tDIM DimDeclList
{ $$
= new_dim_statement
(ctx
, $2); CHECK_ERROR
; }
179 | IfStatement
{ $$
= $1; }
180 | tWHILE Expression tNL StatementsNl_opt tWEND
181 { $$
= new_while_statement
(ctx
, STAT_WHILE
, $2, $4); CHECK_ERROR
; }
182 | tDO DoType Expression tNL StatementsNl_opt tLOOP
183 { $$
= new_while_statement
(ctx
, $2 ? STAT_WHILELOOP
: STAT_UNTIL
, $3, $5);
185 | tDO tNL StatementsNl_opt tLOOP DoType Expression
186 { $$
= new_while_statement
(ctx
, $5 ? STAT_DOWHILE
: STAT_DOUNTIL
, $6, $3);
188 | tDO tNL StatementsNl_opt tLOOP
{ $$
= new_while_statement
(ctx
, STAT_DOWHILE
, NULL
, $3); CHECK_ERROR
; }
189 | FunctionDecl
{ $$
= new_function_statement
(ctx
, $1); CHECK_ERROR
; }
190 | tEXIT tDO
{ $$
= new_statement
(ctx
, STAT_EXITDO
, 0); CHECK_ERROR
; }
191 | tEXIT tFOR
{ $$
= new_statement
(ctx
, STAT_EXITFOR
, 0); CHECK_ERROR
; }
192 | tEXIT tFUNCTION
{ $$
= new_statement
(ctx
, STAT_EXITFUNC
, 0); CHECK_ERROR
; }
193 | tEXIT tPROPERTY
{ $$
= new_statement
(ctx
, STAT_EXITPROP
, 0); CHECK_ERROR
; }
194 | tEXIT tSUB
{ $$
= new_statement
(ctx
, STAT_EXITSUB
, 0); CHECK_ERROR
; }
195 | tSET MemberExpression Arguments_opt
'=' Expression
196 { $2->args
= $3; $$
= new_set_statement
(ctx
, $2, $5); CHECK_ERROR
; }
197 | tSTOP
{ $$
= new_statement
(ctx
, STAT_STOP
, 0); CHECK_ERROR
; }
198 | tON tERROR tRESUME tNEXT
{ $$
= new_onerror_statement
(ctx
, TRUE
); CHECK_ERROR
; }
199 | tON tERROR tGOTO
'0' { $$
= new_onerror_statement
(ctx
, FALSE
); CHECK_ERROR
; }
200 | tCONST ConstDeclList
{ $$
= new_const_statement
(ctx
, $2); CHECK_ERROR
; }
201 | tFOR Identifier
'=' Expression tTO Expression Step_opt tNL StatementsNl_opt tNEXT
202 { $$
= new_forto_statement
(ctx
, $2, $4, $6, $7, $9); CHECK_ERROR
; }
203 | tFOR tEACH Identifier tIN Expression tNL StatementsNl_opt tNEXT
204 { $$
= new_foreach_statement
(ctx
, $3, $5, $7); }
205 | tSELECT tCASE Expression tNL CaseClausules tEND tSELECT
206 { $$
= new_select_statement
(ctx
, $3, $5); }
209 : Identifier
{ $$
= new_member_expression
(ctx
, NULL
, $1); CHECK_ERROR
; }
210 | CallExpression
'.' Identifier
{ $$
= new_member_expression
(ctx
, $1, $3); CHECK_ERROR
; }
212 DimDeclList
/* FIXME: Support arrays */
213 : Identifier
{ $$
= new_dim_decl
(ctx
, $1, NULL
); CHECK_ERROR
; }
214 | Identifier
',' DimDeclList
{ $$
= new_dim_decl
(ctx
, $1, $3); CHECK_ERROR
; }
217 : ConstDecl
{ $$
= $1; }
218 | ConstDecl
',' ConstDeclList
{ $1->next
= $3; $$
= $1; }
221 : Identifier
'=' LiteralExpression
{ $$
= new_const_decl
(ctx
, $1, $3); CHECK_ERROR
; }
224 : tWHILE
{ $$
= TRUE
; }
225 | tUNTIL
{ $$
= FALSE
; }
228 : /* empty */ { $$
= NULL
;}
229 | tSTEP Expression
{ $$
= $2; }
232 : tIF Expression tTHEN tNL StatementsNl_opt ElseIfs_opt Else_opt tEND tIF
233 { $$
= new_if_statement
(ctx
, $2, $5, $6, $7); CHECK_ERROR
; }
234 | tIF Expression tTHEN Statement
{ $$
= new_if_statement
(ctx
, $2, $4, NULL
, NULL
); CHECK_ERROR
; }
235 | tIF Expression tTHEN Statement tELSE Statement EndIf_opt
236 { $$
= new_if_statement
(ctx
, $2, $4, NULL
, $6); CHECK_ERROR
; }
243 : /* empty */ { $$
= NULL
; }
244 | ElseIfs
{ $$
= $1; }
247 : ElseIf
{ $$
= $1; }
248 | ElseIf ElseIfs
{ $1->next
= $2; $$
= $1; }
251 : tELSEIF Expression tTHEN tNL StatementsNl_opt
252 { $$
= new_elseif_decl
(ctx
, $2, $5); }
255 : /* empty */ { $$
= NULL
; }
256 | tELSE tNL StatementsNl_opt
{ $$
= $3; }
259 : /* empty */ { $$
= NULL
; }
260 | tCASE tELSE tNL StatementsNl
{ $$
= new_case_clausule
(ctx
, NULL
, $4, NULL
); }
261 | tCASE ExpressionList tNL StatementsNl_opt CaseClausules
262 { $$
= new_case_clausule
(ctx
, $2, $4, $5); }
265 : EmptyBrackets_opt
{ $$
= NULL
; }
266 |
'(' ExpressionList
')' { $$
= $2; }
269 : EmptyBrackets_opt
{ $$
= NULL
; }
270 | ExpressionList
{ $$
= $1; }
277 : Expression
{ $$
= $1; }
278 | Expression
',' ExpressionList
{ $1->next
= $3; $$
= $1; }
281 : EqvExpression
{ $$
= $1; }
282 | Expression tIMP EqvExpression
{ $$
= new_binary_expression
(ctx
, EXPR_IMP
, $1, $3); CHECK_ERROR
; }
285 : XorExpression
{ $$
= $1; }
286 | EqvExpression tEQV XorExpression
{ $$
= new_binary_expression
(ctx
, EXPR_EQV
, $1, $3); CHECK_ERROR
; }
289 : OrExpression
{ $$
= $1; }
290 | XorExpression tXOR OrExpression
{ $$
= new_binary_expression
(ctx
, EXPR_XOR
, $1, $3); CHECK_ERROR
; }
293 : AndExpression
{ $$
= $1; }
294 | OrExpression tOR AndExpression
{ $$
= new_binary_expression
(ctx
, EXPR_OR
, $1, $3); CHECK_ERROR
; }
297 : NotExpression
{ $$
= $1; }
298 | AndExpression tAND NotExpression
{ $$
= new_binary_expression
(ctx
, EXPR_AND
, $1, $3); CHECK_ERROR
; }
301 : EqualityExpression
{ $$
= $1; }
302 | tNOT NotExpression
{ $$
= new_unary_expression
(ctx
, EXPR_NOT
, $2); CHECK_ERROR
; }
305 : ConcatExpression
{ $$
= $1; }
306 | EqualityExpression
'=' ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_EQUAL
, $1, $3); CHECK_ERROR
; }
307 | EqualityExpression tNEQ ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_NEQUAL
, $1, $3); CHECK_ERROR
; }
308 | EqualityExpression
'>' ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_GT
, $1, $3); CHECK_ERROR
; }
309 | EqualityExpression
'<' ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_LT
, $1, $3); CHECK_ERROR
; }
310 | EqualityExpression tGTEQ ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_GTEQ
, $1, $3); CHECK_ERROR
; }
311 | EqualityExpression tLTEQ ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_LTEQ
, $1, $3); CHECK_ERROR
; }
312 | EqualityExpression tIS ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_IS
, $1, $3); CHECK_ERROR
; }
315 : AdditiveExpression
{ $$
= $1; }
316 | ConcatExpression
'&' AdditiveExpression
{ $$
= new_binary_expression
(ctx
, EXPR_CONCAT
, $1, $3); CHECK_ERROR
; }
319 : ModExpression
{ $$
= $1; }
320 | AdditiveExpression
'+' ModExpression
{ $$
= new_binary_expression
(ctx
, EXPR_ADD
, $1, $3); CHECK_ERROR
; }
321 | AdditiveExpression
'-' ModExpression
{ $$
= new_binary_expression
(ctx
, EXPR_SUB
, $1, $3); CHECK_ERROR
; }
324 : IntdivExpression
{ $$
= $1; }
325 | ModExpression tMOD IntdivExpression
{ $$
= new_binary_expression
(ctx
, EXPR_MOD
, $1, $3); CHECK_ERROR
; }
328 : MultiplicativeExpression
{ $$
= $1; }
329 | IntdivExpression
'\\' MultiplicativeExpression
330 { $$
= new_binary_expression
(ctx
, EXPR_IDIV
, $1, $3); CHECK_ERROR
; }
332 MultiplicativeExpression
333 : ExpExpression
{ $$
= $1; }
334 | MultiplicativeExpression
'*' ExpExpression
335 { $$
= new_binary_expression
(ctx
, EXPR_MUL
, $1, $3); CHECK_ERROR
; }
336 | MultiplicativeExpression
'/' ExpExpression
337 { $$
= new_binary_expression
(ctx
, EXPR_DIV
, $1, $3); CHECK_ERROR
; }
340 : UnaryExpression
{ $$
= $1; }
341 | ExpExpression
'^' UnaryExpression
{ $$
= new_binary_expression
(ctx
, EXPR_EXP
, $1, $3); CHECK_ERROR
; }
344 : LiteralExpression
{ $$
= $1; }
345 | CallExpression
{ $$
= $1; }
346 | tNEW Identifier
{ $$
= new_new_expression
(ctx
, $2); CHECK_ERROR
; }
347 |
'-' UnaryExpression
{ $$
= new_unary_expression
(ctx
, EXPR_NEG
, $2); CHECK_ERROR
; }
350 : PrimaryExpression
{ $$
= $1; }
351 | MemberExpression Arguments_opt
{ $1->args
= $2; $$
= &$1->expr
; }
354 : tTRUE
{ $$
= new_bool_expression
(ctx
, VARIANT_TRUE
); CHECK_ERROR
; }
355 | tFALSE
{ $$
= new_bool_expression
(ctx
, VARIANT_FALSE
); CHECK_ERROR
; }
356 | tString
{ $$
= new_string_expression
(ctx
, $1); CHECK_ERROR
; }
357 | tShort
{ $$
= new_long_expression
(ctx
, EXPR_USHORT
, $1); CHECK_ERROR
; }
358 |
'0' { $$
= new_long_expression
(ctx
, EXPR_USHORT
, 0); CHECK_ERROR
; }
359 | tLong
{ $$
= new_long_expression
(ctx
, EXPR_ULONG
, $1); CHECK_ERROR
; }
360 | tDouble
{ $$
= new_double_expression
(ctx
, $1); CHECK_ERROR
; }
361 | tEMPTY
{ $$
= new_expression
(ctx
, EXPR_EMPTY
, 0); CHECK_ERROR
; }
362 | tNULL
{ $$
= new_expression
(ctx
, EXPR_NULL
, 0); CHECK_ERROR
; }
363 | tNOTHING
{ $$
= new_expression
(ctx
, EXPR_NOTHING
, 0); CHECK_ERROR
; }
366 : '(' Expression
')' { $$
= new_unary_expression
(ctx
, EXPR_BRACKETS
, $2); }
367 | tME
{ $$
= new_expression
(ctx
, EXPR_ME
, 0); CHECK_ERROR
; }
370 : tCLASS Identifier tNL ClassBody tEND tCLASS tNL
{ $4->name
= $2; $$
= $4; }
373 : /* empty */ { $$
= new_class_decl
(ctx
); }
374 | FunctionDecl tNL ClassBody
{ $$
= add_class_function
(ctx
, $3, $1); CHECK_ERROR
; }
375 | Storage tIdentifier tNL ClassBody
{ $$
= add_variant_prop
(ctx
, $4, $2, $1); CHECK_ERROR
; }
376 | PropertyDecl tNL ClassBody
{ $$
= add_class_function
(ctx
, $3, $1); CHECK_ERROR
; }
379 : Storage_opt tPROPERTY tGET tIdentifier EmptyBrackets_opt tNL StatementsNl_opt tEND tPROPERTY
380 { $$
= new_function_decl
(ctx
, $4, FUNC_PROPGET
, $1, NULL
, $7); CHECK_ERROR
; }
381 | Storage_opt tPROPERTY tLET tIdentifier
'(' ArgumentDecl
')' tNL StatementsNl_opt tEND tPROPERTY
382 { $$
= new_function_decl
(ctx
, $4, FUNC_PROPLET
, $1, $6, $9); CHECK_ERROR
; }
383 | Storage_opt tPROPERTY tSET tIdentifier
'(' ArgumentDecl
')' tNL StatementsNl_opt tEND tPROPERTY
384 { $$
= new_function_decl
(ctx
, $4, FUNC_PROPSET
, $1, $6, $9); CHECK_ERROR
; }
387 : Storage_opt tSUB Identifier ArgumentsDecl_opt tNL StatementsNl_opt tEND tSUB
388 { $$
= new_function_decl
(ctx
, $3, FUNC_SUB
, $1, $4, $6); CHECK_ERROR
; }
389 | Storage_opt tFUNCTION Identifier ArgumentsDecl_opt tNL StatementsNl_opt tEND tFUNCTION
390 { $$
= new_function_decl
(ctx
, $3, FUNC_FUNCTION
, $1, $4, $6); CHECK_ERROR
; }
393 : /* empty*/ { $$
= 0; }
394 | Storage
{ $$
= $1; }
397 : tPUBLIC tDEFAULT
{ $$
= STORAGE_IS_DEFAULT
; }
398 | tPUBLIC
{ $$
= 0; }
399 | tPRIVATE
{ $$
= STORAGE_IS_PRIVATE
; }
402 : EmptyBrackets_opt
{ $$
= NULL
; }
403 |
'(' ArgumentDeclList
')' { $$
= $2; }
406 : ArgumentDecl
{ $$
= $1; }
407 | ArgumentDecl
',' ArgumentDeclList
{ $1->next
= $3; $$
= $1; }
410 : Identifier
{ $$
= new_argument_decl
(ctx
, $1, TRUE
); }
411 | tBYREF Identifier
{ $$
= new_argument_decl
(ctx
, $2, TRUE
); }
412 | tBYVAL Identifier
{ $$
= new_argument_decl
(ctx
, $2, FALSE
); }
414 /* 'property' may be both keyword and identifier, depending on context */
416 : tIdentifier
{ $$
= $1; }
417 | tPROPERTY
{ $$
= propertyW
; }
420 static int parser_error
(const char *str
)
425 static void source_add_statement
(parser_ctx_t
*ctx
, statement_t
*stat
)
431 ctx
->stats_tail
->next
= stat
;
432 ctx
->stats_tail
= stat
;
434 ctx
->stats
= ctx
->stats_tail
= stat
;
438 static void source_add_class
(parser_ctx_t
*ctx
, class_decl_t
*class_decl
)
440 class_decl
->next
= ctx
->class_decls
;
441 ctx
->class_decls
= class_decl
;
444 static void parse_complete
(parser_ctx_t
*ctx
, BOOL option_explicit
)
446 ctx
->parse_complete
= TRUE
;
447 ctx
->option_explicit
= option_explicit
;
450 static void *new_expression
(parser_ctx_t
*ctx
, expression_type_t type
, size_t size
)
454 expr
= parser_alloc
(ctx
, size ? size
: sizeof
(*expr
));
463 static expression_t
*new_bool_expression
(parser_ctx_t
*ctx
, VARIANT_BOOL value
)
465 bool_expression_t
*expr
;
467 expr
= new_expression
(ctx
, EXPR_BOOL
, sizeof
(*expr
));
475 static expression_t
*new_string_expression
(parser_ctx_t
*ctx
, const WCHAR
*value
)
477 string_expression_t
*expr
;
479 expr
= new_expression
(ctx
, EXPR_STRING
, sizeof
(*expr
));
487 static expression_t
*new_long_expression
(parser_ctx_t
*ctx
, expression_type_t type
, LONG value
)
489 int_expression_t
*expr
;
491 expr
= new_expression
(ctx
, type
, sizeof
(*expr
));
499 static expression_t
*new_double_expression
(parser_ctx_t
*ctx
, double value
)
501 double_expression_t
*expr
;
503 expr
= new_expression
(ctx
, EXPR_DOUBLE
, sizeof
(*expr
));
511 static expression_t
*new_unary_expression
(parser_ctx_t
*ctx
, expression_type_t type
, expression_t
*subexpr
)
513 unary_expression_t
*expr
;
515 expr
= new_expression
(ctx
, type
, sizeof
(*expr
));
519 expr
->subexpr
= subexpr
;
523 static expression_t
*new_binary_expression
(parser_ctx_t
*ctx
, expression_type_t type
, expression_t
*left
, expression_t
*right
)
525 binary_expression_t
*expr
;
527 expr
= new_expression
(ctx
, type
, sizeof
(*expr
));
536 static member_expression_t
*new_member_expression
(parser_ctx_t
*ctx
, expression_t
*obj_expr
, const WCHAR
*identifier
)
538 member_expression_t
*expr
;
540 expr
= new_expression
(ctx
, EXPR_MEMBER
, sizeof
(*expr
));
544 expr
->obj_expr
= obj_expr
;
545 expr
->identifier
= identifier
;
550 static expression_t
*new_new_expression
(parser_ctx_t
*ctx
, const WCHAR
*identifier
)
552 string_expression_t
*expr
;
554 expr
= new_expression
(ctx
, EXPR_NEW
, sizeof
(*expr
));
558 expr
->value
= identifier
;
562 static void *new_statement
(parser_ctx_t
*ctx
, statement_type_t type
, size_t size
)
566 stat
= parser_alloc
(ctx
, size ? size
: sizeof
(*stat
));
575 static statement_t
*new_call_statement
(parser_ctx_t
*ctx
, BOOL is_strict
, member_expression_t
*expr
)
577 call_statement_t
*stat
;
579 stat
= new_statement
(ctx
, STAT_CALL
, sizeof
(*stat
));
584 stat
->is_strict
= is_strict
;
588 static statement_t
*new_assign_statement
(parser_ctx_t
*ctx
, member_expression_t
*left
, expression_t
*right
)
590 assign_statement_t
*stat
;
592 stat
= new_statement
(ctx
, STAT_ASSIGN
, sizeof
(*stat
));
596 stat
->member_expr
= left
;
597 stat
->value_expr
= right
;
601 static statement_t
*new_set_statement
(parser_ctx_t
*ctx
, member_expression_t
*left
, expression_t
*right
)
603 assign_statement_t
*stat
;
605 stat
= new_statement
(ctx
, STAT_SET
, sizeof
(*stat
));
609 stat
->member_expr
= left
;
610 stat
->value_expr
= right
;
614 static dim_decl_t
*new_dim_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, dim_decl_t
*next
)
618 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
627 static statement_t
*new_dim_statement
(parser_ctx_t
*ctx
, dim_decl_t
*decls
)
629 dim_statement_t
*stat
;
631 stat
= new_statement
(ctx
, STAT_DIM
, sizeof
(*stat
));
635 stat
->dim_decls
= decls
;
639 static elseif_decl_t
*new_elseif_decl
(parser_ctx_t
*ctx
, expression_t
*expr
, statement_t
*stat
)
643 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
653 static statement_t
*new_while_statement
(parser_ctx_t
*ctx
, statement_type_t type
, expression_t
*expr
, statement_t
*body
)
655 while_statement_t
*stat
;
657 stat
= new_statement
(ctx
, type
, sizeof
(*stat
));
666 static statement_t
*new_forto_statement
(parser_ctx_t
*ctx
, const WCHAR
*identifier
, expression_t
*from_expr
,
667 expression_t
*to_expr
, expression_t
*step_expr
, statement_t
*body
)
669 forto_statement_t
*stat
;
671 stat
= new_statement
(ctx
, STAT_FORTO
, sizeof
(*stat
));
675 stat
->identifier
= identifier
;
676 stat
->from_expr
= from_expr
;
677 stat
->to_expr
= to_expr
;
678 stat
->step_expr
= step_expr
;
683 static statement_t
*new_foreach_statement
(parser_ctx_t
*ctx
, const WCHAR
*identifier
, expression_t
*group_expr
,
686 foreach_statement_t
*stat
;
688 stat
= new_statement
(ctx
, STAT_FOREACH
, sizeof
(*stat
));
692 stat
->identifier
= identifier
;
693 stat
->group_expr
= group_expr
;
698 static statement_t
*new_if_statement
(parser_ctx_t
*ctx
, expression_t
*expr
, statement_t
*if_stat
, elseif_decl_t
*elseif_decl
,
699 statement_t
*else_stat
)
701 if_statement_t
*stat
;
703 stat
= new_statement
(ctx
, STAT_IF
, sizeof
(*stat
));
708 stat
->if_stat
= if_stat
;
709 stat
->elseifs
= elseif_decl
;
710 stat
->else_stat
= else_stat
;
714 static statement_t
*new_select_statement
(parser_ctx_t
*ctx
, expression_t
*expr
, case_clausule_t
*case_clausules
)
716 select_statement_t
*stat
;
718 stat
= new_statement
(ctx
, STAT_SELECT
, sizeof
(*stat
));
723 stat
->case_clausules
= case_clausules
;
727 static case_clausule_t
*new_case_clausule
(parser_ctx_t
*ctx
, expression_t
*expr
, statement_t
*stat
, case_clausule_t
*next
)
729 case_clausule_t
*ret
;
731 ret
= parser_alloc
(ctx
, sizeof
(*ret
));
741 static statement_t
*new_onerror_statement
(parser_ctx_t
*ctx
, BOOL resume_next
)
743 onerror_statement_t
*stat
;
745 stat
= new_statement
(ctx
, STAT_ONERROR
, sizeof
(*stat
));
749 stat
->resume_next
= resume_next
;
753 static arg_decl_t
*new_argument_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, BOOL by_ref
)
755 arg_decl_t
*arg_decl
;
757 arg_decl
= parser_alloc
(ctx
, sizeof
(*arg_decl
));
761 arg_decl
->name
= name
;
762 arg_decl
->by_ref
= by_ref
;
763 arg_decl
->next
= NULL
;
767 static function_decl_t
*new_function_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, function_type_t type
,
768 unsigned storage_flags
, arg_decl_t
*arg_decl
, statement_t
*body
)
770 function_decl_t
*decl
;
772 if
(storage_flags
& STORAGE_IS_DEFAULT
) {
773 if
(type
== FUNC_PROPGET
) {
776 FIXME
("Invalid default property\n");
782 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
788 decl
->is_public
= !(storage_flags
& STORAGE_IS_PRIVATE
);
789 decl
->args
= arg_decl
;
792 decl
->next_prop_func
= NULL
;
796 static statement_t
*new_function_statement
(parser_ctx_t
*ctx
, function_decl_t
*decl
)
798 function_statement_t
*stat
;
800 stat
= new_statement
(ctx
, STAT_FUNC
, sizeof
(*stat
));
804 stat
->func_decl
= decl
;
808 static class_decl_t
*new_class_decl
(parser_ctx_t
*ctx
)
810 class_decl_t
*class_decl
;
812 class_decl
= parser_alloc
(ctx
, sizeof
(*class_decl
));
816 class_decl
->funcs
= NULL
;
817 class_decl
->props
= NULL
;
818 class_decl
->next
= NULL
;
822 static class_decl_t
*add_class_function
(parser_ctx_t
*ctx
, class_decl_t
*class_decl
, function_decl_t
*decl
)
824 function_decl_t
*iter
;
826 for
(iter
= class_decl
->funcs
; iter
; iter
= iter
->next
) {
827 if
(!strcmpiW
(iter
->name
, decl
->name
)) {
828 if
(decl
->type
== FUNC_SUB || decl
->type
== FUNC_FUNCTION
) {
829 FIXME
("Redefinition of %s::%s\n", debugstr_w
(class_decl
->name
), debugstr_w
(decl
->name
));
835 if
(iter
->type
== decl
->type
) {
836 FIXME
("Redefinition of %s::%s\n", debugstr_w
(class_decl
->name
), debugstr_w
(decl
->name
));
840 if
(!iter
->next_prop_func
)
842 iter
= iter
->next_prop_func
;
845 iter
->next_prop_func
= decl
;
850 decl
->next
= class_decl
->funcs
;
851 class_decl
->funcs
= decl
;
855 static class_decl_t
*add_variant_prop
(parser_ctx_t
*ctx
, class_decl_t
*class_decl
, const WCHAR
*identifier
, unsigned storage_flags
)
857 class_prop_decl_t
*prop
;
859 if
(storage_flags
& STORAGE_IS_DEFAULT
) {
860 FIXME
("variant prop van't be default value\n");
865 prop
= parser_alloc
(ctx
, sizeof
(*prop
));
869 prop
->name
= identifier
;
870 prop
->is_public
= !(storage_flags
& STORAGE_IS_PRIVATE
);
871 prop
->next
= class_decl
->props
;
872 class_decl
->props
= prop
;
876 static const_decl_t
*new_const_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, expression_t
*expr
)
880 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
885 decl
->value_expr
= expr
;
890 static statement_t
*new_const_statement
(parser_ctx_t
*ctx
, const_decl_t
*decls
)
892 const_statement_t
*stat
;
894 stat
= new_statement
(ctx
, STAT_CONST
, sizeof
(*stat
));
902 static statement_t
*link_statements
(statement_t
*head
, statement_t
*tail
)
906 for
(iter
= head
; iter
->next
; iter
= iter
->next
);
912 void *parser_alloc
(parser_ctx_t
*ctx
, size_t size
)
916 ret
= vbsheap_alloc
(&ctx
->heap
, size
);
918 ctx
->hres
= E_OUTOFMEMORY
;
922 HRESULT parse_script
(parser_ctx_t
*ctx
, const WCHAR
*code
)
924 ctx
->code
= ctx
->ptr
= code
;
925 ctx
->end
= ctx
->code
+ strlenW
(ctx
->code
);
927 vbsheap_init
(&ctx
->heap
);
929 ctx
->parse_complete
= FALSE
;
932 ctx
->last_token
= tNL
;
934 ctx
->stats
= ctx
->stats_tail
= NULL
;
935 ctx
->class_decls
= NULL
;
936 ctx
->option_explicit
= FALSE
;
940 if
(FAILED
(ctx
->hres
))
942 if
(!ctx
->parse_complete
) {
943 FIXME
("parser failed on parsing %s\n", debugstr_w
(ctx
->ptr
));
950 void parser_release
(parser_ctx_t
*ctx
)
952 vbsheap_free
(&ctx
->heap
);