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 static int parser_error
(parser_ctx_t
*,const char*);
30 static void parse_complete
(parser_ctx_t
*,BOOL
);
32 static void source_add_statement
(parser_ctx_t
*,statement_t
*);
33 static void source_add_class
(parser_ctx_t
*,class_decl_t
*);
35 static void *new_expression
(parser_ctx_t
*,expression_type_t
,size_t);
36 static expression_t
*new_bool_expression
(parser_ctx_t
*,VARIANT_BOOL
);
37 static expression_t
*new_string_expression
(parser_ctx_t
*,const WCHAR
*);
38 static expression_t
*new_long_expression
(parser_ctx_t
*,expression_type_t
,LONG
);
39 static expression_t
*new_double_expression
(parser_ctx_t
*,double);
40 static expression_t
*new_unary_expression
(parser_ctx_t
*,expression_type_t
,expression_t
*);
41 static expression_t
*new_binary_expression
(parser_ctx_t
*,expression_type_t
,expression_t
*,expression_t
*);
42 static expression_t
*new_new_expression
(parser_ctx_t
*,const WCHAR
*);
44 static member_expression_t
*new_member_expression
(parser_ctx_t
*,expression_t
*,const WCHAR
*);
46 static void *new_statement
(parser_ctx_t
*,statement_type_t
,size_t);
47 static statement_t
*new_call_statement
(parser_ctx_t
*,BOOL
,member_expression_t
*);
48 static statement_t
*new_assign_statement
(parser_ctx_t
*,member_expression_t
*,expression_t
*);
49 static statement_t
*new_set_statement
(parser_ctx_t
*,member_expression_t
*,expression_t
*);
50 static statement_t
*new_dim_statement
(parser_ctx_t
*,dim_decl_t
*);
51 static statement_t
*new_while_statement
(parser_ctx_t
*,statement_type_t
,expression_t
*,statement_t
*);
52 static statement_t
*new_forto_statement
(parser_ctx_t
*,const WCHAR
*,expression_t
*,expression_t
*,expression_t
*,statement_t
*);
53 static statement_t
*new_foreach_statement
(parser_ctx_t
*,const WCHAR
*,expression_t
*,statement_t
*);
54 static statement_t
*new_if_statement
(parser_ctx_t
*,expression_t
*,statement_t
*,elseif_decl_t
*,statement_t
*);
55 static statement_t
*new_function_statement
(parser_ctx_t
*,function_decl_t
*);
56 static statement_t
*new_onerror_statement
(parser_ctx_t
*,BOOL
);
57 static statement_t
*new_const_statement
(parser_ctx_t
*,const_decl_t
*);
58 static statement_t
*new_select_statement
(parser_ctx_t
*,expression_t
*,case_clausule_t
*);
60 static dim_decl_t
*new_dim_decl
(parser_ctx_t
*,const WCHAR
*,BOOL
,dim_list_t
*);
61 static dim_list_t
*new_dim
(parser_ctx_t
*,unsigned,dim_list_t
*);
62 static elseif_decl_t
*new_elseif_decl
(parser_ctx_t
*,expression_t
*,statement_t
*);
63 static function_decl_t
*new_function_decl
(parser_ctx_t
*,const WCHAR
*,function_type_t
,unsigned,arg_decl_t
*,statement_t
*);
64 static arg_decl_t
*new_argument_decl
(parser_ctx_t
*,const WCHAR
*,BOOL
);
65 static const_decl_t
*new_const_decl
(parser_ctx_t
*,const WCHAR
*,expression_t
*);
66 static case_clausule_t
*new_case_clausule
(parser_ctx_t
*,expression_t
*,statement_t
*,case_clausule_t
*);
68 static class_decl_t
*new_class_decl
(parser_ctx_t
*);
69 static class_decl_t
*add_class_function
(parser_ctx_t
*,class_decl_t
*,function_decl_t
*);
70 static class_decl_t
*add_dim_prop
(parser_ctx_t
*,class_decl_t
*,dim_decl_t
*,unsigned);
72 static statement_t
*link_statements
(statement_t
*,statement_t
*);
74 static const WCHAR propertyW
[] = {'p','r','o','p','e','r','t','y',0};
76 #define STORAGE_IS_PRIVATE 1
77 #define STORAGE_IS_DEFAULT 2
79 #define CHECK_ERROR if(((parser_ctx_t*)ctx)->hres != S_OK) YYABORT
83 %lex
-param
{ parser_ctx_t
*ctx
}
84 %parse
-param
{ parser_ctx_t
*ctx
}
90 statement_t
*statement
;
91 expression_t
*expression
;
92 member_expression_t
*member
;
93 elseif_decl_t
*elseif
;
96 function_decl_t
*func_decl
;
98 class_decl_t
*class_decl
;
99 const_decl_t
*const_decl
;
100 case_clausule_t
*case_clausule
;
107 %token tEOF tNL tREM tEMPTYBRACKETS
109 %token tNOT tAND tOR tXOR tEQV tIMP tNEQ
110 %token tIS tLTEQ tGTEQ tMOD
111 %token tCALL tDIM tSUB tFUNCTION tPROPERTY tGET tLET tCONST
112 %token tIF tELSE tELSEIF tEND tTHEN tEXIT
113 %token tWHILE tWEND tDO tLOOP tUNTIL tFOR tTO tSTEP tEACH tIN
116 %token tOPTION tEXPLICIT
118 %token tNOTHING tEMPTY tNULL
119 %token tCLASS tSET tNEW tPUBLIC tPRIVATE tDEFAULT tME
120 %token tERROR tNEXT tON tRESUME tGOTO
121 %token
<string> tIdentifier tString
122 %token
<lng
> tLong tShort
125 %type
<statement
> Statement SimpleStatement StatementNl StatementsNl StatementsNl_opt IfStatement Else_opt
126 %type
<expression
> Expression LiteralExpression PrimaryExpression EqualityExpression CallExpression
127 %type
<expression
> ConcatExpression AdditiveExpression ModExpression IntdivExpression MultiplicativeExpression ExpExpression
128 %type
<expression
> NotExpression UnaryExpression AndExpression OrExpression XorExpression EqvExpression
129 %type
<expression
> ConstExpression NumericLiteralExpression
130 %type
<member
> MemberExpression
131 %type
<expression
> Arguments_opt ArgumentList_opt Step_opt ExpressionList
132 %type
<boolean
> OptionExplicit_opt DoType
133 %type
<arg_decl
> ArgumentsDecl_opt ArgumentDeclList ArgumentDecl
134 %type
<func_decl
> FunctionDecl PropertyDecl
135 %type
<elseif
> ElseIfs_opt ElseIfs ElseIf
136 %type
<class_decl
> ClassDeclaration ClassBody
137 %type
<uint
> Storage Storage_opt IntegerValue
138 %type
<dim_decl
> DimDeclList DimDecl
139 %type
<dim_list
> DimList
140 %type
<const_decl
> ConstDecl ConstDeclList
141 %type
<string> Identifier
142 %type
<case_clausule
> CaseClausules
147 : OptionExplicit_opt SourceElements tEOF
{ parse_complete
(ctx
, $1); }
150 : /* empty */ { $$
= FALSE
; }
151 | tOPTION tEXPLICIT tNL
{ $$
= TRUE
; }
155 | SourceElements StatementNl
{ source_add_statement
(ctx
, $2); }
156 | SourceElements ClassDeclaration
{ source_add_class
(ctx
, $2); }
159 : /* empty */ { $$
= NULL
; }
160 | StatementsNl
{ $$
= $1; }
163 : StatementNl
{ $$
= $1; }
164 | StatementNl StatementsNl
{ $$
= link_statements
($1, $2); }
167 : Statement tNL
{ $$
= $1; }
171 |
':' Statement
{ $$
= $2; }
172 | SimpleStatement
{ $$
= $1; }
173 | SimpleStatement
':' Statement
{ $1->next
= $3; $$
= $1; }
174 | SimpleStatement
':' { $$
= $1; }
177 : MemberExpression ArgumentList_opt
{ $1->args
= $2; $$
= new_call_statement
(ctx
, FALSE
, $1); CHECK_ERROR
; }
178 | tCALL MemberExpression Arguments_opt
{ $2->args
= $3; $$
= new_call_statement
(ctx
, TRUE
, $2); CHECK_ERROR
; }
179 | MemberExpression Arguments_opt
'=' Expression
180 { $1->args
= $2; $$
= new_assign_statement
(ctx
, $1, $4); CHECK_ERROR
; }
181 | tDIM DimDeclList
{ $$
= new_dim_statement
(ctx
, $2); CHECK_ERROR
; }
182 | IfStatement
{ $$
= $1; }
183 | tWHILE Expression tNL StatementsNl_opt tWEND
184 { $$
= new_while_statement
(ctx
, STAT_WHILE
, $2, $4); CHECK_ERROR
; }
185 | tDO DoType Expression tNL StatementsNl_opt tLOOP
186 { $$
= new_while_statement
(ctx
, $2 ? STAT_WHILELOOP
: STAT_UNTIL
, $3, $5);
188 | tDO tNL StatementsNl_opt tLOOP DoType Expression
189 { $$
= new_while_statement
(ctx
, $5 ? STAT_DOWHILE
: STAT_DOUNTIL
, $6, $3);
191 | tDO tNL StatementsNl_opt tLOOP
{ $$
= new_while_statement
(ctx
, STAT_DOWHILE
, NULL
, $3); CHECK_ERROR
; }
192 | FunctionDecl
{ $$
= new_function_statement
(ctx
, $1); CHECK_ERROR
; }
193 | tEXIT tDO
{ $$
= new_statement
(ctx
, STAT_EXITDO
, 0); CHECK_ERROR
; }
194 | tEXIT tFOR
{ $$
= new_statement
(ctx
, STAT_EXITFOR
, 0); CHECK_ERROR
; }
195 | tEXIT tFUNCTION
{ $$
= new_statement
(ctx
, STAT_EXITFUNC
, 0); CHECK_ERROR
; }
196 | tEXIT tPROPERTY
{ $$
= new_statement
(ctx
, STAT_EXITPROP
, 0); CHECK_ERROR
; }
197 | tEXIT tSUB
{ $$
= new_statement
(ctx
, STAT_EXITSUB
, 0); CHECK_ERROR
; }
198 | tSET MemberExpression Arguments_opt
'=' Expression
199 { $2->args
= $3; $$
= new_set_statement
(ctx
, $2, $5); CHECK_ERROR
; }
200 | tSTOP
{ $$
= new_statement
(ctx
, STAT_STOP
, 0); CHECK_ERROR
; }
201 | tON tERROR tRESUME tNEXT
{ $$
= new_onerror_statement
(ctx
, TRUE
); CHECK_ERROR
; }
202 | tON tERROR tGOTO
'0' { $$
= new_onerror_statement
(ctx
, FALSE
); CHECK_ERROR
; }
203 | tCONST ConstDeclList
{ $$
= new_const_statement
(ctx
, $2); CHECK_ERROR
; }
204 | tFOR Identifier
'=' Expression tTO Expression Step_opt tNL StatementsNl_opt tNEXT
205 { $$
= new_forto_statement
(ctx
, $2, $4, $6, $7, $9); CHECK_ERROR
; }
206 | tFOR tEACH Identifier tIN Expression tNL StatementsNl_opt tNEXT
207 { $$
= new_foreach_statement
(ctx
, $3, $5, $7); }
208 | tSELECT tCASE Expression StSep CaseClausules tEND tSELECT
209 { $$
= new_select_statement
(ctx
, $3, $5); }
212 : Identifier
{ $$
= new_member_expression
(ctx
, NULL
, $1); CHECK_ERROR
; }
213 | CallExpression
'.' Identifier
{ $$
= new_member_expression
(ctx
, $1, $3); CHECK_ERROR
; }
216 : DimDecl
{ $$
= $1; }
217 | DimDecl
',' DimDeclList
{ $1->next
= $3; $$
= $1; }
220 : Identifier
{ $$
= new_dim_decl
(ctx
, $1, FALSE
, NULL
); CHECK_ERROR
; }
221 | Identifier
'(' DimList
')' { $$
= new_dim_decl
(ctx
, $1, TRUE
, $3); CHECK_ERROR
; }
222 | Identifier tEMPTYBRACKETS
{ $$
= new_dim_decl
(ctx
, $1, TRUE
, NULL
); CHECK_ERROR
; }
225 : IntegerValue
{ $$
= new_dim
(ctx
, $1, NULL
); }
226 | IntegerValue
',' DimList
{ $$
= new_dim
(ctx
, $1, $3); }
229 : ConstDecl
{ $$
= $1; }
230 | ConstDecl
',' ConstDeclList
{ $1->next
= $3; $$
= $1; }
233 : Identifier
'=' ConstExpression
{ $$
= new_const_decl
(ctx
, $1, $3); CHECK_ERROR
; }
236 : LiteralExpression
{ $$
= $1; }
237 |
'-' NumericLiteralExpression
{ $$
= new_unary_expression
(ctx
, EXPR_NEG
, $2); CHECK_ERROR
; }
240 : tWHILE
{ $$
= TRUE
; }
241 | tUNTIL
{ $$
= FALSE
; }
244 : /* empty */ { $$
= NULL
;}
245 | tSTEP Expression
{ $$
= $2; }
248 : tIF Expression tTHEN tNL StatementsNl_opt ElseIfs_opt Else_opt tEND tIF
249 { $$
= new_if_statement
(ctx
, $2, $5, $6, $7); CHECK_ERROR
; }
250 | tIF Expression tTHEN Statement
{ $$
= new_if_statement
(ctx
, $2, $4, NULL
, NULL
); CHECK_ERROR
; }
251 | tIF Expression tTHEN Statement tELSE Statement EndIf_opt
252 { $$
= new_if_statement
(ctx
, $2, $4, NULL
, $6); CHECK_ERROR
; }
259 : /* empty */ { $$
= NULL
; }
260 | ElseIfs
{ $$
= $1; }
263 : ElseIf
{ $$
= $1; }
264 | ElseIf ElseIfs
{ $1->next
= $2; $$
= $1; }
267 : tELSEIF Expression tTHEN tNL StatementsNl_opt
268 { $$
= new_elseif_decl
(ctx
, $2, $5); }
271 : /* empty */ { $$
= NULL
; }
272 | tELSE tNL StatementsNl_opt
{ $$
= $3; }
275 : /* empty */ { $$
= NULL
; }
276 | tCASE tELSE StSep StatementsNl
{ $$
= new_case_clausule
(ctx
, NULL
, $4, NULL
); }
277 | tCASE ExpressionList StSep StatementsNl_opt CaseClausules
278 { $$
= new_case_clausule
(ctx
, $2, $4, $5); }
281 : EmptyBrackets_opt
{ $$
= NULL
; }
282 |
'(' ExpressionList
')' { $$
= $2; }
285 : EmptyBrackets_opt
{ $$
= NULL
; }
286 | ExpressionList
{ $$
= $1; }
293 : Expression
{ $$
= $1; }
294 | Expression
',' ExpressionList
{ $1->next
= $3; $$
= $1; }
297 : EqvExpression
{ $$
= $1; }
298 | Expression tIMP EqvExpression
{ $$
= new_binary_expression
(ctx
, EXPR_IMP
, $1, $3); CHECK_ERROR
; }
301 : XorExpression
{ $$
= $1; }
302 | EqvExpression tEQV XorExpression
{ $$
= new_binary_expression
(ctx
, EXPR_EQV
, $1, $3); CHECK_ERROR
; }
305 : OrExpression
{ $$
= $1; }
306 | XorExpression tXOR OrExpression
{ $$
= new_binary_expression
(ctx
, EXPR_XOR
, $1, $3); CHECK_ERROR
; }
309 : AndExpression
{ $$
= $1; }
310 | OrExpression tOR AndExpression
{ $$
= new_binary_expression
(ctx
, EXPR_OR
, $1, $3); CHECK_ERROR
; }
313 : NotExpression
{ $$
= $1; }
314 | AndExpression tAND NotExpression
{ $$
= new_binary_expression
(ctx
, EXPR_AND
, $1, $3); CHECK_ERROR
; }
317 : EqualityExpression
{ $$
= $1; }
318 | tNOT NotExpression
{ $$
= new_unary_expression
(ctx
, EXPR_NOT
, $2); CHECK_ERROR
; }
321 : ConcatExpression
{ $$
= $1; }
322 | EqualityExpression
'=' ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_EQUAL
, $1, $3); CHECK_ERROR
; }
323 | EqualityExpression tNEQ ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_NEQUAL
, $1, $3); CHECK_ERROR
; }
324 | EqualityExpression
'>' ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_GT
, $1, $3); CHECK_ERROR
; }
325 | EqualityExpression
'<' ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_LT
, $1, $3); CHECK_ERROR
; }
326 | EqualityExpression tGTEQ ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_GTEQ
, $1, $3); CHECK_ERROR
; }
327 | EqualityExpression tLTEQ ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_LTEQ
, $1, $3); CHECK_ERROR
; }
328 | EqualityExpression tIS ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_IS
, $1, $3); CHECK_ERROR
; }
331 : AdditiveExpression
{ $$
= $1; }
332 | ConcatExpression
'&' AdditiveExpression
{ $$
= new_binary_expression
(ctx
, EXPR_CONCAT
, $1, $3); CHECK_ERROR
; }
335 : ModExpression
{ $$
= $1; }
336 | AdditiveExpression
'+' ModExpression
{ $$
= new_binary_expression
(ctx
, EXPR_ADD
, $1, $3); CHECK_ERROR
; }
337 | AdditiveExpression
'-' ModExpression
{ $$
= new_binary_expression
(ctx
, EXPR_SUB
, $1, $3); CHECK_ERROR
; }
340 : IntdivExpression
{ $$
= $1; }
341 | ModExpression tMOD IntdivExpression
{ $$
= new_binary_expression
(ctx
, EXPR_MOD
, $1, $3); CHECK_ERROR
; }
344 : MultiplicativeExpression
{ $$
= $1; }
345 | IntdivExpression
'\\' MultiplicativeExpression
346 { $$
= new_binary_expression
(ctx
, EXPR_IDIV
, $1, $3); CHECK_ERROR
; }
348 MultiplicativeExpression
349 : ExpExpression
{ $$
= $1; }
350 | MultiplicativeExpression
'*' ExpExpression
351 { $$
= new_binary_expression
(ctx
, EXPR_MUL
, $1, $3); CHECK_ERROR
; }
352 | MultiplicativeExpression
'/' ExpExpression
353 { $$
= new_binary_expression
(ctx
, EXPR_DIV
, $1, $3); CHECK_ERROR
; }
356 : UnaryExpression
{ $$
= $1; }
357 | ExpExpression
'^' UnaryExpression
{ $$
= new_binary_expression
(ctx
, EXPR_EXP
, $1, $3); CHECK_ERROR
; }
360 : LiteralExpression
{ $$
= $1; }
361 | CallExpression
{ $$
= $1; }
362 | tNEW Identifier
{ $$
= new_new_expression
(ctx
, $2); CHECK_ERROR
; }
363 |
'-' UnaryExpression
{ $$
= new_unary_expression
(ctx
, EXPR_NEG
, $2); CHECK_ERROR
; }
366 : PrimaryExpression
{ $$
= $1; }
367 | MemberExpression Arguments_opt
{ $1->args
= $2; $$
= &$1->expr
; }
370 : tTRUE
{ $$
= new_bool_expression
(ctx
, VARIANT_TRUE
); CHECK_ERROR
; }
371 | tFALSE
{ $$
= new_bool_expression
(ctx
, VARIANT_FALSE
); CHECK_ERROR
; }
372 | tString
{ $$
= new_string_expression
(ctx
, $1); CHECK_ERROR
; }
373 | NumericLiteralExpression
{ $$
= $1; }
374 | tEMPTY
{ $$
= new_expression
(ctx
, EXPR_EMPTY
, 0); CHECK_ERROR
; }
375 | tNULL
{ $$
= new_expression
(ctx
, EXPR_NULL
, 0); CHECK_ERROR
; }
376 | tNOTHING
{ $$
= new_expression
(ctx
, EXPR_NOTHING
, 0); CHECK_ERROR
; }
378 NumericLiteralExpression
379 : tShort
{ $$
= new_long_expression
(ctx
, EXPR_USHORT
, $1); CHECK_ERROR
; }
380 |
'0' { $$
= new_long_expression
(ctx
, EXPR_USHORT
, 0); CHECK_ERROR
; }
381 | tLong
{ $$
= new_long_expression
(ctx
, EXPR_ULONG
, $1); CHECK_ERROR
; }
382 | tDouble
{ $$
= new_double_expression
(ctx
, $1); CHECK_ERROR
; }
385 : tShort
{ $$
= $1; }
390 : '(' Expression
')' { $$
= new_unary_expression
(ctx
, EXPR_BRACKETS
, $2); }
391 | tME
{ $$
= new_expression
(ctx
, EXPR_ME
, 0); CHECK_ERROR
; }
394 : tCLASS Identifier tNL ClassBody tEND tCLASS tNL
{ $4->name
= $2; $$
= $4; }
397 : /* empty */ { $$
= new_class_decl
(ctx
); }
398 | FunctionDecl tNL ClassBody
{ $$
= add_class_function
(ctx
, $3, $1); CHECK_ERROR
; }
399 /* FIXME: We should use DimDecl here to support arrays, but that conflicts with PropertyDecl. */
400 | Storage tIdentifier tNL ClassBody
{ dim_decl_t
*dim_decl
= new_dim_decl
(ctx
, $2, FALSE
, NULL
); CHECK_ERROR
;
401 $$
= add_dim_prop
(ctx
, $4, dim_decl
, $1); CHECK_ERROR
; }
402 | tDIM DimDecl tNL ClassBody
{ $$
= add_dim_prop
(ctx
, $4, $2, 0); CHECK_ERROR
; }
403 | PropertyDecl tNL ClassBody
{ $$
= add_class_function
(ctx
, $3, $1); CHECK_ERROR
; }
406 : Storage_opt tPROPERTY tGET tIdentifier ArgumentsDecl_opt tNL StatementsNl_opt tEND tPROPERTY
407 { $$
= new_function_decl
(ctx
, $4, FUNC_PROPGET
, $1, $5, $7); CHECK_ERROR
; }
408 | Storage_opt tPROPERTY tLET tIdentifier
'(' ArgumentDecl
')' tNL StatementsNl_opt tEND tPROPERTY
409 { $$
= new_function_decl
(ctx
, $4, FUNC_PROPLET
, $1, $6, $9); CHECK_ERROR
; }
410 | Storage_opt tPROPERTY tSET tIdentifier
'(' ArgumentDecl
')' tNL StatementsNl_opt tEND tPROPERTY
411 { $$
= new_function_decl
(ctx
, $4, FUNC_PROPSET
, $1, $6, $9); CHECK_ERROR
; }
414 : Storage_opt tSUB Identifier ArgumentsDecl_opt tNL StatementsNl_opt tEND tSUB
415 { $$
= new_function_decl
(ctx
, $3, FUNC_SUB
, $1, $4, $6); CHECK_ERROR
; }
416 | Storage_opt tFUNCTION Identifier ArgumentsDecl_opt tNL StatementsNl_opt tEND tFUNCTION
417 { $$
= new_function_decl
(ctx
, $3, FUNC_FUNCTION
, $1, $4, $6); CHECK_ERROR
; }
420 : /* empty*/ { $$
= 0; }
421 | Storage
{ $$
= $1; }
424 : tPUBLIC tDEFAULT
{ $$
= STORAGE_IS_DEFAULT
; }
425 | tPUBLIC
{ $$
= 0; }
426 | tPRIVATE
{ $$
= STORAGE_IS_PRIVATE
; }
429 : EmptyBrackets_opt
{ $$
= NULL
; }
430 |
'(' ArgumentDeclList
')' { $$
= $2; }
433 : ArgumentDecl
{ $$
= $1; }
434 | ArgumentDecl
',' ArgumentDeclList
{ $1->next
= $3; $$
= $1; }
437 : Identifier EmptyBrackets_opt
{ $$
= new_argument_decl
(ctx
, $1, TRUE
); }
438 | tBYREF Identifier EmptyBrackets_opt
{ $$
= new_argument_decl
(ctx
, $2, TRUE
); }
439 | tBYVAL Identifier EmptyBrackets_opt
{ $$
= new_argument_decl
(ctx
, $2, FALSE
); }
441 /* 'property' may be both keyword and identifier, depending on context */
443 : tIdentifier
{ $$
= $1; }
444 | tPROPERTY
{ $$
= propertyW
; }
446 /* Some statements accept both new line and ':' as a separator */
453 static int parser_error
(parser_ctx_t
*ctx
, const char *str
)
458 static void source_add_statement
(parser_ctx_t
*ctx
, statement_t
*stat
)
464 ctx
->stats_tail
->next
= stat
;
465 ctx
->stats_tail
= stat
;
467 ctx
->stats
= ctx
->stats_tail
= stat
;
471 static void source_add_class
(parser_ctx_t
*ctx
, class_decl_t
*class_decl
)
473 class_decl
->next
= ctx
->class_decls
;
474 ctx
->class_decls
= class_decl
;
477 static void parse_complete
(parser_ctx_t
*ctx
, BOOL option_explicit
)
479 ctx
->parse_complete
= TRUE
;
480 ctx
->option_explicit
= option_explicit
;
483 static void *new_expression
(parser_ctx_t
*ctx
, expression_type_t type
, size_t size
)
487 expr
= parser_alloc
(ctx
, size ? size
: sizeof
(*expr
));
496 static expression_t
*new_bool_expression
(parser_ctx_t
*ctx
, VARIANT_BOOL value
)
498 bool_expression_t
*expr
;
500 expr
= new_expression
(ctx
, EXPR_BOOL
, sizeof
(*expr
));
508 static expression_t
*new_string_expression
(parser_ctx_t
*ctx
, const WCHAR
*value
)
510 string_expression_t
*expr
;
512 expr
= new_expression
(ctx
, EXPR_STRING
, sizeof
(*expr
));
520 static expression_t
*new_long_expression
(parser_ctx_t
*ctx
, expression_type_t type
, LONG value
)
522 int_expression_t
*expr
;
524 expr
= new_expression
(ctx
, type
, sizeof
(*expr
));
532 static expression_t
*new_double_expression
(parser_ctx_t
*ctx
, double value
)
534 double_expression_t
*expr
;
536 expr
= new_expression
(ctx
, EXPR_DOUBLE
, sizeof
(*expr
));
544 static expression_t
*new_unary_expression
(parser_ctx_t
*ctx
, expression_type_t type
, expression_t
*subexpr
)
546 unary_expression_t
*expr
;
548 expr
= new_expression
(ctx
, type
, sizeof
(*expr
));
552 expr
->subexpr
= subexpr
;
556 static expression_t
*new_binary_expression
(parser_ctx_t
*ctx
, expression_type_t type
, expression_t
*left
, expression_t
*right
)
558 binary_expression_t
*expr
;
560 expr
= new_expression
(ctx
, type
, sizeof
(*expr
));
569 static member_expression_t
*new_member_expression
(parser_ctx_t
*ctx
, expression_t
*obj_expr
, const WCHAR
*identifier
)
571 member_expression_t
*expr
;
573 expr
= new_expression
(ctx
, EXPR_MEMBER
, sizeof
(*expr
));
577 expr
->obj_expr
= obj_expr
;
578 expr
->identifier
= identifier
;
583 static expression_t
*new_new_expression
(parser_ctx_t
*ctx
, const WCHAR
*identifier
)
585 string_expression_t
*expr
;
587 expr
= new_expression
(ctx
, EXPR_NEW
, sizeof
(*expr
));
591 expr
->value
= identifier
;
595 static void *new_statement
(parser_ctx_t
*ctx
, statement_type_t type
, size_t size
)
599 stat
= parser_alloc
(ctx
, size ? size
: sizeof
(*stat
));
608 static statement_t
*new_call_statement
(parser_ctx_t
*ctx
, BOOL is_strict
, member_expression_t
*expr
)
610 call_statement_t
*stat
;
612 stat
= new_statement
(ctx
, STAT_CALL
, sizeof
(*stat
));
617 stat
->is_strict
= is_strict
;
621 static statement_t
*new_assign_statement
(parser_ctx_t
*ctx
, member_expression_t
*left
, expression_t
*right
)
623 assign_statement_t
*stat
;
625 stat
= new_statement
(ctx
, STAT_ASSIGN
, sizeof
(*stat
));
629 stat
->member_expr
= left
;
630 stat
->value_expr
= right
;
634 static statement_t
*new_set_statement
(parser_ctx_t
*ctx
, member_expression_t
*left
, expression_t
*right
)
636 assign_statement_t
*stat
;
638 stat
= new_statement
(ctx
, STAT_SET
, sizeof
(*stat
));
642 stat
->member_expr
= left
;
643 stat
->value_expr
= right
;
647 static dim_decl_t
*new_dim_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, BOOL is_array
, dim_list_t
*dims
)
651 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
656 decl
->is_array
= is_array
;
662 static dim_list_t
*new_dim
(parser_ctx_t
*ctx
, unsigned val
, dim_list_t
*next
)
666 ret
= parser_alloc
(ctx
, sizeof
(*ret
));
675 static statement_t
*new_dim_statement
(parser_ctx_t
*ctx
, dim_decl_t
*decls
)
677 dim_statement_t
*stat
;
679 stat
= new_statement
(ctx
, STAT_DIM
, sizeof
(*stat
));
683 stat
->dim_decls
= decls
;
687 static elseif_decl_t
*new_elseif_decl
(parser_ctx_t
*ctx
, expression_t
*expr
, statement_t
*stat
)
691 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
701 static statement_t
*new_while_statement
(parser_ctx_t
*ctx
, statement_type_t type
, expression_t
*expr
, statement_t
*body
)
703 while_statement_t
*stat
;
705 stat
= new_statement
(ctx
, type
, sizeof
(*stat
));
714 static statement_t
*new_forto_statement
(parser_ctx_t
*ctx
, const WCHAR
*identifier
, expression_t
*from_expr
,
715 expression_t
*to_expr
, expression_t
*step_expr
, statement_t
*body
)
717 forto_statement_t
*stat
;
719 stat
= new_statement
(ctx
, STAT_FORTO
, sizeof
(*stat
));
723 stat
->identifier
= identifier
;
724 stat
->from_expr
= from_expr
;
725 stat
->to_expr
= to_expr
;
726 stat
->step_expr
= step_expr
;
731 static statement_t
*new_foreach_statement
(parser_ctx_t
*ctx
, const WCHAR
*identifier
, expression_t
*group_expr
,
734 foreach_statement_t
*stat
;
736 stat
= new_statement
(ctx
, STAT_FOREACH
, sizeof
(*stat
));
740 stat
->identifier
= identifier
;
741 stat
->group_expr
= group_expr
;
746 static statement_t
*new_if_statement
(parser_ctx_t
*ctx
, expression_t
*expr
, statement_t
*if_stat
, elseif_decl_t
*elseif_decl
,
747 statement_t
*else_stat
)
749 if_statement_t
*stat
;
751 stat
= new_statement
(ctx
, STAT_IF
, sizeof
(*stat
));
756 stat
->if_stat
= if_stat
;
757 stat
->elseifs
= elseif_decl
;
758 stat
->else_stat
= else_stat
;
762 static statement_t
*new_select_statement
(parser_ctx_t
*ctx
, expression_t
*expr
, case_clausule_t
*case_clausules
)
764 select_statement_t
*stat
;
766 stat
= new_statement
(ctx
, STAT_SELECT
, sizeof
(*stat
));
771 stat
->case_clausules
= case_clausules
;
775 static case_clausule_t
*new_case_clausule
(parser_ctx_t
*ctx
, expression_t
*expr
, statement_t
*stat
, case_clausule_t
*next
)
777 case_clausule_t
*ret
;
779 ret
= parser_alloc
(ctx
, sizeof
(*ret
));
789 static statement_t
*new_onerror_statement
(parser_ctx_t
*ctx
, BOOL resume_next
)
791 onerror_statement_t
*stat
;
793 stat
= new_statement
(ctx
, STAT_ONERROR
, sizeof
(*stat
));
797 stat
->resume_next
= resume_next
;
801 static arg_decl_t
*new_argument_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, BOOL by_ref
)
803 arg_decl_t
*arg_decl
;
805 arg_decl
= parser_alloc
(ctx
, sizeof
(*arg_decl
));
809 arg_decl
->name
= name
;
810 arg_decl
->by_ref
= by_ref
;
811 arg_decl
->next
= NULL
;
815 static function_decl_t
*new_function_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, function_type_t type
,
816 unsigned storage_flags
, arg_decl_t
*arg_decl
, statement_t
*body
)
818 function_decl_t
*decl
;
820 if
(storage_flags
& STORAGE_IS_DEFAULT
) {
821 if
(type
== FUNC_PROPGET
) {
824 FIXME
("Invalid default property\n");
830 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
836 decl
->is_public
= !(storage_flags
& STORAGE_IS_PRIVATE
);
837 decl
->args
= arg_decl
;
840 decl
->next_prop_func
= NULL
;
844 static statement_t
*new_function_statement
(parser_ctx_t
*ctx
, function_decl_t
*decl
)
846 function_statement_t
*stat
;
848 stat
= new_statement
(ctx
, STAT_FUNC
, sizeof
(*stat
));
852 stat
->func_decl
= decl
;
856 static class_decl_t
*new_class_decl
(parser_ctx_t
*ctx
)
858 class_decl_t
*class_decl
;
860 class_decl
= parser_alloc
(ctx
, sizeof
(*class_decl
));
864 class_decl
->funcs
= NULL
;
865 class_decl
->props
= NULL
;
866 class_decl
->next
= NULL
;
870 static class_decl_t
*add_class_function
(parser_ctx_t
*ctx
, class_decl_t
*class_decl
, function_decl_t
*decl
)
872 function_decl_t
*iter
;
874 for
(iter
= class_decl
->funcs
; iter
; iter
= iter
->next
) {
875 if
(!strcmpiW
(iter
->name
, decl
->name
)) {
876 if
(decl
->type
== FUNC_SUB || decl
->type
== FUNC_FUNCTION
) {
877 FIXME
("Redefinition of %s::%s\n", debugstr_w
(class_decl
->name
), debugstr_w
(decl
->name
));
883 if
(iter
->type
== decl
->type
) {
884 FIXME
("Redefinition of %s::%s\n", debugstr_w
(class_decl
->name
), debugstr_w
(decl
->name
));
888 if
(!iter
->next_prop_func
)
890 iter
= iter
->next_prop_func
;
893 iter
->next_prop_func
= decl
;
898 decl
->next
= class_decl
->funcs
;
899 class_decl
->funcs
= decl
;
903 static class_decl_t
*add_dim_prop
(parser_ctx_t
*ctx
, class_decl_t
*class_decl
, dim_decl_t
*dim_decl
, unsigned storage_flags
)
905 if
(storage_flags
& STORAGE_IS_DEFAULT
) {
906 FIXME
("variant prop van't be default value\n");
911 dim_decl
->is_public
= !(storage_flags
& STORAGE_IS_PRIVATE
);
912 dim_decl
->next
= class_decl
->props
;
913 class_decl
->props
= dim_decl
;
917 static const_decl_t
*new_const_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, expression_t
*expr
)
921 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
926 decl
->value_expr
= expr
;
931 static statement_t
*new_const_statement
(parser_ctx_t
*ctx
, const_decl_t
*decls
)
933 const_statement_t
*stat
;
935 stat
= new_statement
(ctx
, STAT_CONST
, sizeof
(*stat
));
943 static statement_t
*link_statements
(statement_t
*head
, statement_t
*tail
)
947 for
(iter
= head
; iter
->next
; iter
= iter
->next
);
953 void *parser_alloc
(parser_ctx_t
*ctx
, size_t size
)
957 ret
= heap_pool_alloc
(&ctx
->heap
, size
);
959 ctx
->hres
= E_OUTOFMEMORY
;
963 HRESULT parse_script
(parser_ctx_t
*ctx
, const WCHAR
*code
, const WCHAR
*delimiter
)
965 const WCHAR html_delimiterW
[] = {'<','/','s','c','r','i','p','t','>',0};
967 ctx
->code
= ctx
->ptr
= code
;
968 ctx
->end
= ctx
->code
+ strlenW
(ctx
->code
);
970 heap_pool_init
(&ctx
->heap
);
972 ctx
->parse_complete
= FALSE
;
975 ctx
->last_token
= tNL
;
977 ctx
->stats
= ctx
->stats_tail
= NULL
;
978 ctx
->class_decls
= NULL
;
979 ctx
->option_explicit
= FALSE
;
980 ctx
->is_html
= delimiter
&& !strcmpiW
(delimiter
, html_delimiterW
);
984 if
(FAILED
(ctx
->hres
))
986 if
(!ctx
->parse_complete
) {
987 FIXME
("parser failed around %s\n", debugstr_w
(ctx
->code
+20 > ctx
->ptr ? ctx
->code
: ctx
->ptr
-20));
994 void parser_release
(parser_ctx_t
*ctx
)
996 heap_pool_free
(&ctx
->heap
);