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
(unsigned*,parser_ctx_t
*,const char*);
30 static void handle_isexpression_script
(parser_ctx_t
*ctx
, expression_t
*expr
);
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
*);
45 static call_expression_t
*new_call_expression
(parser_ctx_t
*,expression_t
*,expression_t
*);
46 static call_expression_t
*make_call_expression
(parser_ctx_t
*,expression_t
*,expression_t
*);
48 static void *new_statement
(parser_ctx_t
*,statement_type_t
,size_t,unsigned);
49 static statement_t
*new_call_statement
(parser_ctx_t
*,unsigned,BOOL
,expression_t
*);
50 static statement_t
*new_assign_statement
(parser_ctx_t
*,unsigned,expression_t
*,expression_t
*);
51 static statement_t
*new_set_statement
(parser_ctx_t
*,unsigned,expression_t
*,expression_t
*);
52 static statement_t
*new_dim_statement
(parser_ctx_t
*,unsigned,dim_decl_t
*);
53 static statement_t
*new_redim_statement
(parser_ctx_t
*,unsigned,const WCHAR
*,BOOL
,expression_t
*);
54 static statement_t
*new_while_statement
(parser_ctx_t
*,unsigned,statement_type_t
,expression_t
*,statement_t
*);
55 static statement_t
*new_forto_statement
(parser_ctx_t
*,unsigned,const WCHAR
*,expression_t
*,expression_t
*,expression_t
*,statement_t
*);
56 static statement_t
*new_foreach_statement
(parser_ctx_t
*,unsigned,const WCHAR
*,expression_t
*,statement_t
*);
57 static statement_t
*new_if_statement
(parser_ctx_t
*,unsigned,expression_t
*,statement_t
*,elseif_decl_t
*,statement_t
*);
58 static statement_t
*new_function_statement
(parser_ctx_t
*,unsigned,function_decl_t
*);
59 static statement_t
*new_onerror_statement
(parser_ctx_t
*,unsigned,BOOL
);
60 static statement_t
*new_const_statement
(parser_ctx_t
*,unsigned,const_decl_t
*);
61 static statement_t
*new_select_statement
(parser_ctx_t
*,unsigned,expression_t
*,case_clausule_t
*);
62 static statement_t
*new_with_statement
(parser_ctx_t
*,unsigned,expression_t
*,statement_t
*);
64 static dim_decl_t
*new_dim_decl
(parser_ctx_t
*,const WCHAR
*,BOOL
,dim_list_t
*);
65 static dim_list_t
*new_dim
(parser_ctx_t
*,unsigned,dim_list_t
*);
66 static elseif_decl_t
*new_elseif_decl
(parser_ctx_t
*,unsigned,expression_t
*,statement_t
*);
67 static function_decl_t
*new_function_decl
(parser_ctx_t
*,const WCHAR
*,function_type_t
,unsigned,arg_decl_t
*,statement_t
*);
68 static arg_decl_t
*new_argument_decl
(parser_ctx_t
*,const WCHAR
*,BOOL
);
69 static const_decl_t
*new_const_decl
(parser_ctx_t
*,const WCHAR
*,expression_t
*);
70 static case_clausule_t
*new_case_clausule
(parser_ctx_t
*,expression_t
*,statement_t
*,case_clausule_t
*);
72 static class_decl_t
*new_class_decl
(parser_ctx_t
*);
73 static class_decl_t
*add_class_function
(parser_ctx_t
*,class_decl_t
*,function_decl_t
*);
74 static class_decl_t
*add_dim_prop
(parser_ctx_t
*,class_decl_t
*,dim_decl_t
*,unsigned);
76 static statement_t
*link_statements
(statement_t
*,statement_t
*);
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
83 #define YYLTYPE unsigned
84 #define YYLLOC_DEFAULT(Cur, Rhs, N) Cur = YYRHSLOC((Rhs), (N) ? 1 : 0)
88 %lex
-param
{ parser_ctx_t
*ctx
}
89 %parse
-param
{ parser_ctx_t
*ctx
}
95 statement_t
*statement
;
96 expression_t
*expression
;
97 member_expression_t
*member
;
98 elseif_decl_t
*elseif
;
100 dim_list_t
*dim_list
;
101 function_decl_t
*func_decl
;
102 arg_decl_t
*arg_decl
;
103 class_decl_t
*class_decl
;
104 const_decl_t
*const_decl
;
105 case_clausule_t
*case_clausule
;
112 %token tEXPRESSION tNL tEMPTYBRACKETS tEXPRLBRACKET
113 %token tLTEQ tGTEQ tNEQ
114 %token tSTOP tME tREM tDOT
115 %token
<string> tTRUE tFALSE
116 %token
<string> tNOT tAND tOR tXOR tEQV tIMP
117 %token
<string> tIS tMOD
118 %token
<string> tCALL tSUB tFUNCTION tGET tLET tCONST
119 %token
<string> tDIM tREDIM tPRESERVE
120 %token
<string> tIF tELSE tELSEIF tEND tTHEN tEXIT
121 %token
<string> tWHILE tWEND tDO tLOOP tUNTIL tFOR tTO tEACH tIN
122 %token
<string> tSELECT tCASE tWITH
123 %token
<string> tBYREF tBYVAL
124 %token
<string> tOPTION
125 %token
<string> tNOTHING tEMPTY tNULL
126 %token
<string> tCLASS tSET tNEW tPUBLIC tPRIVATE
127 %token
<string> tNEXT tON tRESUME tGOTO
128 %token
<string> tIdentifier tString
129 %token
<string> tDEFAULT tERROR tEXPLICIT tPROPERTY tSTEP
130 %token
<integer
> tInt
133 %type
<statement
> Statement SimpleStatement StatementNl StatementsNl StatementsNl_opt BodyStatements IfStatement Else_opt
134 %type
<expression
> Expression LiteralExpression PrimaryExpression EqualityExpression CallExpression ExpressionNl_opt
135 %type
<expression
> ConcatExpression AdditiveExpression ModExpression IntdivExpression MultiplicativeExpression ExpExpression
136 %type
<expression
> NotExpression UnaryExpression AndExpression OrExpression XorExpression EqvExpression SignExpression
137 %type
<expression
> ConstExpression NumericLiteralExpression
138 %type
<member
> MemberExpression
139 %type
<expression
> Arguments ArgumentList ArgumentList_opt Step_opt ExpressionList
140 %type
<boolean
> DoType Preserve_opt
141 %type
<arg_decl
> ArgumentsDecl_opt ArgumentDeclList ArgumentDecl
142 %type
<func_decl
> FunctionDecl PropertyDecl
143 %type
<elseif
> ElseIfs_opt ElseIfs ElseIf
144 %type
<class_decl
> ClassDeclaration ClassBody
145 %type
<uint
> Storage Storage_opt IntegerValue
146 %type
<dim_decl
> DimDeclList DimDecl
147 %type
<dim_list
> DimList
148 %type
<const_decl
> ConstDecl ConstDeclList
149 %type
<string> Identifier
150 %type
<case_clausule
> CaseClausules
155 : OptionExplicit_opt SourceElements
156 | tEXPRESSION ExpressionNl_opt
{ handle_isexpression_script
(ctx
, $2); }
160 | tOPTION tEXPLICIT StSep
{ ctx
->option_explicit
= TRUE
; }
164 | SourceElements StatementNl
{ source_add_statement
(ctx
, $2); }
165 | SourceElements ClassDeclaration
{ source_add_class
(ctx
, $2); }
168 : /* empty */ { $$
= NULL
; }
169 | Expression tNL
{ $$
= $1; }
172 : /* empty */ { $$
= NULL
; }
173 | Statement
{ $$
= $1; }
174 | StatementNl BodyStatements
{ $$
= link_statements
($1, $2); }
177 : /* empty */ { $$
= NULL
; }
178 | StatementsNl
{ $$
= $1; }
181 : StatementNl
{ $$
= $1; }
182 | StatementNl StatementsNl
{ $$
= link_statements
($1, $2); }
185 : Statement tNL
{ $$
= $1; }
189 |
':' Statement
{ $$
= $2; }
190 | SimpleStatement
{ $$
= $1; }
191 | SimpleStatement
':' Statement
{ $1->next
= $3; $$
= $1; }
192 | SimpleStatement
':' { $$
= $1; }
195 : CallExpression ArgumentList_opt
{ call_expression_t
*call_expr
= make_call_expression
(ctx
, $1, $2); CHECK_ERROR
;
196 $$
= new_call_statement
(ctx
, @$
, FALSE
, &call_expr
->expr
); CHECK_ERROR
; };
197 | tCALL UnaryExpression
{ $$
= new_call_statement
(ctx
, @$
, TRUE
, $2); CHECK_ERROR
; }
198 | CallExpression
'=' Expression
199 { $$
= new_assign_statement
(ctx
, @$
, $1, $3); CHECK_ERROR
; }
200 | tDIM DimDeclList
{ $$
= new_dim_statement
(ctx
, @$
, $2); CHECK_ERROR
; }
201 | tREDIM Preserve_opt tIdentifier
'(' ArgumentList
')'
202 { $$
= new_redim_statement
(ctx
, @$
, $3, $2, $5); CHECK_ERROR
; }
203 | IfStatement
{ $$
= $1; }
204 | tWHILE Expression StSep StatementsNl_opt tWEND
205 { $$
= new_while_statement
(ctx
, @$
, STAT_WHILE
, $2, $4); CHECK_ERROR
; }
206 | tDO DoType Expression StSep StatementsNl_opt tLOOP
207 { $$
= new_while_statement
(ctx
, @$
, $2 ? STAT_WHILELOOP
: STAT_UNTIL
, $3, $5);
209 | tDO StSep StatementsNl_opt tLOOP DoType Expression
210 { $$
= new_while_statement
(ctx
, @
4, $5 ? STAT_DOWHILE
: STAT_DOUNTIL
, $6, $3);
212 | tDO StSep StatementsNl_opt tLOOP
{ $$
= new_while_statement
(ctx
, @$
, STAT_DOWHILE
, NULL
, $3); CHECK_ERROR
; }
213 | FunctionDecl
{ $$
= new_function_statement
(ctx
, @$
, $1); CHECK_ERROR
; }
214 | tEXIT tDO
{ $$
= new_statement
(ctx
, STAT_EXITDO
, 0, @$
); CHECK_ERROR
; }
215 | tEXIT tFOR
{ $$
= new_statement
(ctx
, STAT_EXITFOR
, 0, @$
); CHECK_ERROR
; }
216 | tEXIT tFUNCTION
{ $$
= new_statement
(ctx
, STAT_EXITFUNC
, 0, @$
); CHECK_ERROR
; }
217 | tEXIT tPROPERTY
{ $$
= new_statement
(ctx
, STAT_EXITPROP
, 0, @$
); CHECK_ERROR
; }
218 | tEXIT tSUB
{ $$
= new_statement
(ctx
, STAT_EXITSUB
, 0, @$
); CHECK_ERROR
; }
219 | tSET CallExpression
'=' Expression
{ $$
= new_set_statement
(ctx
, @$
, $2, $4); CHECK_ERROR
; }
220 | tSTOP
{ $$
= new_statement
(ctx
, STAT_STOP
, 0, @$
); CHECK_ERROR
; }
221 | tON tERROR tRESUME tNEXT
{ $$
= new_onerror_statement
(ctx
, @$
, TRUE
); CHECK_ERROR
; }
222 | tON tERROR tGOTO
'0' { $$
= new_onerror_statement
(ctx
, @$
, FALSE
); CHECK_ERROR
; }
223 | tCONST ConstDeclList
{ $$
= new_const_statement
(ctx
, @$
, $2); CHECK_ERROR
; }
224 | tFOR Identifier
'=' Expression tTO Expression Step_opt StSep StatementsNl_opt tNEXT
225 { $$
= new_forto_statement
(ctx
, @$
, $2, $4, $6, $7, $9); CHECK_ERROR
; }
226 | tFOR tEACH Identifier tIN Expression StSep StatementsNl_opt tNEXT
227 { $$
= new_foreach_statement
(ctx
, @$
, $3, $5, $7); }
228 | tSELECT tCASE Expression StSep CaseClausules tEND tSELECT
229 { $$
= new_select_statement
(ctx
, @$
, $3, $5); }
230 | tWITH Expression StSep StatementsNl_opt tEND tWITH
231 { $$
= new_with_statement
(ctx
, @$
, $2, $4); }
234 : Identifier
{ $$
= new_member_expression
(ctx
, NULL
, $1); CHECK_ERROR
; }
235 | CallExpression
'.' tIdentifier
{ $$
= new_member_expression
(ctx
, $1, $3); CHECK_ERROR
; }
236 | tDOT tIdentifier
{ expression_t
*dot_expr
= new_expression
(ctx
, EXPR_DOT
, sizeof
(*dot_expr
)); CHECK_ERROR
;
237 $$
= new_member_expression
(ctx
, dot_expr
, $2); CHECK_ERROR
; }
240 : /* empty */ { $$
= FALSE
; }
241 | tPRESERVE
{ $$
= TRUE
; }
244 : DimDecl
{ $$
= $1; }
245 | DimDecl
',' DimDeclList
{ $1->next
= $3; $$
= $1; }
248 : Identifier
{ $$
= new_dim_decl
(ctx
, $1, FALSE
, NULL
); CHECK_ERROR
; }
249 | Identifier
'(' DimList
')' { $$
= new_dim_decl
(ctx
, $1, TRUE
, $3); CHECK_ERROR
; }
250 | Identifier tEMPTYBRACKETS
{ $$
= new_dim_decl
(ctx
, $1, TRUE
, NULL
); CHECK_ERROR
; }
253 : IntegerValue
{ $$
= new_dim
(ctx
, $1, NULL
); }
254 | IntegerValue
',' DimList
{ $$
= new_dim
(ctx
, $1, $3); }
257 : ConstDecl
{ $$
= $1; }
258 | ConstDecl
',' ConstDeclList
{ $1->next
= $3; $$
= $1; }
261 : Identifier
'=' ConstExpression
{ $$
= new_const_decl
(ctx
, $1, $3); CHECK_ERROR
; }
264 : LiteralExpression
{ $$
= $1; }
265 |
'-' NumericLiteralExpression
{ $$
= new_unary_expression
(ctx
, EXPR_NEG
, $2); CHECK_ERROR
; }
268 : tWHILE
{ $$
= TRUE
; }
269 | tUNTIL
{ $$
= FALSE
; }
272 : /* empty */ { $$
= NULL
;}
273 | tSTEP Expression
{ $$
= $2; }
276 : tIF Expression tTHEN tNL StatementsNl_opt ElseIfs_opt Else_opt tEND tIF
277 { $$
= new_if_statement
(ctx
, @$
, $2, $5, $6, $7); CHECK_ERROR
; }
278 | tIF Expression tTHEN Statement EndIf_opt
{ $$
= new_if_statement
(ctx
, @$
, $2, $4, NULL
, NULL
); CHECK_ERROR
; }
279 | tIF Expression tTHEN Statement tELSE Statement EndIf_opt
280 { $$
= new_if_statement
(ctx
, @$
, $2, $4, NULL
, $6); CHECK_ERROR
; }
287 : /* empty */ { $$
= NULL
; }
288 | ElseIfs
{ $$
= $1; }
291 : ElseIf
{ $$
= $1; }
292 | ElseIf ElseIfs
{ $1->next
= $2; $$
= $1; }
295 : tELSEIF Expression tTHEN tNL StatementsNl_opt
296 { $$
= new_elseif_decl
(ctx
, @$
, $2, $5); }
299 : /* empty */ { $$
= NULL
; }
300 | tELSE tNL StatementsNl_opt
{ $$
= $3; }
303 : /* empty */ { $$
= NULL
; }
304 | tCASE tELSE StSep StatementsNl
{ $$
= new_case_clausule
(ctx
, NULL
, $4, NULL
); }
305 | tCASE ExpressionList StSep StatementsNl_opt CaseClausules
306 { $$
= new_case_clausule
(ctx
, $2, $4, $5); }
309 : tEMPTYBRACKETS
{ $$
= NULL
; }
310 |
'(' ArgumentList
')' { $$
= $2; }
313 : /* empty */ { $$
= NULL
; }
314 | ArgumentList
{ $$
= $1; }
317 : Expression
{ $$
= $1; }
318 | Expression
',' ArgumentList
{ $1->next
= $3; $$
= $1; }
319 |
',' ArgumentList
{ $$
= new_expression
(ctx
, EXPR_NOARG
, 0); CHECK_ERROR
; $$
->next
= $2; }
326 : Expression
{ $$
= $1; }
327 | Expression
',' ExpressionList
{ $1->next
= $3; $$
= $1; }
330 : EqvExpression
{ $$
= $1; }
331 | Expression tIMP EqvExpression
{ $$
= new_binary_expression
(ctx
, EXPR_IMP
, $1, $3); CHECK_ERROR
; }
334 : XorExpression
{ $$
= $1; }
335 | EqvExpression tEQV XorExpression
{ $$
= new_binary_expression
(ctx
, EXPR_EQV
, $1, $3); CHECK_ERROR
; }
338 : OrExpression
{ $$
= $1; }
339 | XorExpression tXOR OrExpression
{ $$
= new_binary_expression
(ctx
, EXPR_XOR
, $1, $3); CHECK_ERROR
; }
342 : AndExpression
{ $$
= $1; }
343 | OrExpression tOR AndExpression
{ $$
= new_binary_expression
(ctx
, EXPR_OR
, $1, $3); CHECK_ERROR
; }
346 : NotExpression
{ $$
= $1; }
347 | AndExpression tAND NotExpression
{ $$
= new_binary_expression
(ctx
, EXPR_AND
, $1, $3); CHECK_ERROR
; }
350 : EqualityExpression
{ $$
= $1; }
351 | tNOT NotExpression
{ $$
= new_unary_expression
(ctx
, EXPR_NOT
, $2); CHECK_ERROR
; }
354 : ConcatExpression
{ $$
= $1; }
355 | EqualityExpression
'=' ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_EQUAL
, $1, $3); CHECK_ERROR
; }
356 | EqualityExpression tNEQ ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_NEQUAL
, $1, $3); CHECK_ERROR
; }
357 | EqualityExpression
'>' ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_GT
, $1, $3); CHECK_ERROR
; }
358 | EqualityExpression
'<' ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_LT
, $1, $3); CHECK_ERROR
; }
359 | EqualityExpression tGTEQ ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_GTEQ
, $1, $3); CHECK_ERROR
; }
360 | EqualityExpression tLTEQ ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_LTEQ
, $1, $3); CHECK_ERROR
; }
361 | EqualityExpression tIS ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_IS
, $1, $3); CHECK_ERROR
; }
364 : AdditiveExpression
{ $$
= $1; }
365 | ConcatExpression
'&' AdditiveExpression
{ $$
= new_binary_expression
(ctx
, EXPR_CONCAT
, $1, $3); CHECK_ERROR
; }
368 : ModExpression
{ $$
= $1; }
369 | AdditiveExpression
'+' ModExpression
{ $$
= new_binary_expression
(ctx
, EXPR_ADD
, $1, $3); CHECK_ERROR
; }
370 | AdditiveExpression
'-' ModExpression
{ $$
= new_binary_expression
(ctx
, EXPR_SUB
, $1, $3); CHECK_ERROR
; }
373 : IntdivExpression
{ $$
= $1; }
374 | ModExpression tMOD IntdivExpression
{ $$
= new_binary_expression
(ctx
, EXPR_MOD
, $1, $3); CHECK_ERROR
; }
377 : MultiplicativeExpression
{ $$
= $1; }
378 | IntdivExpression
'\\' MultiplicativeExpression
379 { $$
= new_binary_expression
(ctx
, EXPR_IDIV
, $1, $3); CHECK_ERROR
; }
381 MultiplicativeExpression
382 : ExpExpression
{ $$
= $1; }
383 | MultiplicativeExpression
'*' ExpExpression
384 { $$
= new_binary_expression
(ctx
, EXPR_MUL
, $1, $3); CHECK_ERROR
; }
385 | MultiplicativeExpression
'/' ExpExpression
386 { $$
= new_binary_expression
(ctx
, EXPR_DIV
, $1, $3); CHECK_ERROR
; }
389 : SignExpression
{ $$
= $1; }
390 | ExpExpression
'^' SignExpression
{ $$
= new_binary_expression
(ctx
, EXPR_EXP
, $1, $3); CHECK_ERROR
; }
393 : UnaryExpression
{ $$
= $1; }
394 |
'-' SignExpression
{ $$
= new_unary_expression
(ctx
, EXPR_NEG
, $2); CHECK_ERROR
; }
395 |
'+' SignExpression
{ $$
= $2; }
398 : LiteralExpression
{ $$
= $1; }
399 | CallExpression
{ $$
= $1; }
400 | tNEW Identifier
{ $$
= new_new_expression
(ctx
, $2); CHECK_ERROR
; }
403 : PrimaryExpression
{ $$
= $1; }
404 | MemberExpression
{ $$
= &$1->expr
; }
405 | CallExpression Arguments
{ call_expression_t
*expr
= new_call_expression
(ctx
, $1, $2); CHECK_ERROR
;
409 : tTRUE
{ $$
= new_bool_expression
(ctx
, VARIANT_TRUE
); CHECK_ERROR
; }
410 | tFALSE
{ $$
= new_bool_expression
(ctx
, VARIANT_FALSE
); CHECK_ERROR
; }
411 | tString
{ $$
= new_string_expression
(ctx
, $1); CHECK_ERROR
; }
412 | NumericLiteralExpression
{ $$
= $1; }
413 | tEMPTY
{ $$
= new_expression
(ctx
, EXPR_EMPTY
, 0); CHECK_ERROR
; }
414 | tNULL
{ $$
= new_expression
(ctx
, EXPR_NULL
, 0); CHECK_ERROR
; }
415 | tNOTHING
{ $$
= new_expression
(ctx
, EXPR_NOTHING
, 0); CHECK_ERROR
; }
417 NumericLiteralExpression
418 : '0' { $$
= new_long_expression
(ctx
, EXPR_INT
, 0); CHECK_ERROR
; }
419 | tInt
{ $$
= new_long_expression
(ctx
, EXPR_INT
, $1); CHECK_ERROR
; }
420 | tDouble
{ $$
= new_double_expression
(ctx
, $1); CHECK_ERROR
; }
427 : tEXPRLBRACKET Expression
')' { $$
= new_unary_expression
(ctx
, EXPR_BRACKETS
, $2); }
428 | tME
{ $$
= new_expression
(ctx
, EXPR_ME
, 0); CHECK_ERROR
; }
431 : tCLASS Identifier StSep ClassBody tEND tCLASS StSep
{ $4->name
= $2; $$
= $4; }
434 : /* empty */ { $$
= new_class_decl
(ctx
); }
435 | FunctionDecl
{ $$
= add_class_function
(ctx
, new_class_decl
(ctx
), $1); CHECK_ERROR
; }
436 | FunctionDecl StSep ClassBody
{ $$
= add_class_function
(ctx
, $3, $1); CHECK_ERROR
; }
437 /* FIXME: We should use DimDecl here to support arrays, but that conflicts with PropertyDecl. */
438 | Storage tIdentifier
{ dim_decl_t
*dim_decl
= new_dim_decl
(ctx
, $2, FALSE
, NULL
); CHECK_ERROR
;
439 $$
= add_dim_prop
(ctx
, new_class_decl
(ctx
), dim_decl
, $1); CHECK_ERROR
; }
440 | Storage tIdentifier StSep ClassBody
{ dim_decl_t
*dim_decl
= new_dim_decl
(ctx
, $2, FALSE
, NULL
); CHECK_ERROR
;
441 $$
= add_dim_prop
(ctx
, $4, dim_decl
, $1); CHECK_ERROR
; }
442 | tDIM DimDecl
{ $$
= add_dim_prop
(ctx
, new_class_decl
(ctx
), $2, 0); CHECK_ERROR
; }
443 | tDIM DimDecl StSep ClassBody
{ $$
= add_dim_prop
(ctx
, $4, $2, 0); CHECK_ERROR
; }
444 | PropertyDecl
{ $$
= add_class_function
(ctx
, new_class_decl
(ctx
), $1); CHECK_ERROR
; }
445 | PropertyDecl StSep ClassBody
{ $$
= add_class_function
(ctx
, $3, $1); CHECK_ERROR
; }
448 : Storage_opt tPROPERTY tGET tIdentifier ArgumentsDecl_opt StSep BodyStatements tEND tPROPERTY
449 { $$
= new_function_decl
(ctx
, $4, FUNC_PROPGET
, $1, $5, $7); CHECK_ERROR
; }
450 | Storage_opt tPROPERTY tLET tIdentifier
'(' ArgumentDecl
')' StSep BodyStatements tEND tPROPERTY
451 { $$
= new_function_decl
(ctx
, $4, FUNC_PROPLET
, $1, $6, $9); CHECK_ERROR
; }
452 | Storage_opt tPROPERTY tSET tIdentifier
'(' ArgumentDecl
')' StSep BodyStatements tEND tPROPERTY
453 { $$
= new_function_decl
(ctx
, $4, FUNC_PROPSET
, $1, $6, $9); CHECK_ERROR
; }
456 : Storage_opt tSUB Identifier ArgumentsDecl_opt StSep BodyStatements tEND tSUB
457 { $$
= new_function_decl
(ctx
, $3, FUNC_SUB
, $1, $4, $6); CHECK_ERROR
; }
458 | Storage_opt tFUNCTION Identifier ArgumentsDecl_opt StSep BodyStatements tEND tFUNCTION
459 { $$
= new_function_decl
(ctx
, $3, FUNC_FUNCTION
, $1, $4, $6); CHECK_ERROR
; }
462 : /* empty*/ { $$
= 0; }
463 | Storage
{ $$
= $1; }
466 : tPUBLIC tDEFAULT
{ $$
= STORAGE_IS_DEFAULT
; }
467 | tPUBLIC
{ $$
= 0; }
468 | tPRIVATE
{ $$
= STORAGE_IS_PRIVATE
; }
471 : EmptyBrackets_opt
{ $$
= NULL
; }
472 |
'(' ArgumentDeclList
')' { $$
= $2; }
475 : ArgumentDecl
{ $$
= $1; }
476 | ArgumentDecl
',' ArgumentDeclList
{ $1->next
= $3; $$
= $1; }
479 : Identifier EmptyBrackets_opt
{ $$
= new_argument_decl
(ctx
, $1, TRUE
); }
480 | tBYREF Identifier EmptyBrackets_opt
{ $$
= new_argument_decl
(ctx
, $2, TRUE
); }
481 | tBYVAL Identifier EmptyBrackets_opt
{ $$
= new_argument_decl
(ctx
, $2, FALSE
); }
483 /* these keywords may also be an identifier, depending on context */
485 : tIdentifier
{ $$
= $1; }
486 | tDEFAULT
{ $$
= $1; }
487 | tERROR
{ $$
= $1; }
488 | tEXPLICIT
{ $$
= $1; }
489 | tPROPERTY
{ $$
= $1; }
492 /* Most statements accept both new line and ':' as separators */
501 static int parser_error
(unsigned *loc
, parser_ctx_t
*ctx
, const char *str
)
503 if
(ctx
->error_loc
== -1)
504 ctx
->error_loc
= *loc
;
505 if
(ctx
->hres
== S_OK
) {
506 FIXME
("%s: %s\n", debugstr_w
(ctx
->code
+ *loc
), debugstr_a
(str
));
509 WARN
("%s: %08x\n", debugstr_w
(ctx
->code
+ *loc
), ctx
->hres
);
514 static void source_add_statement
(parser_ctx_t
*ctx
, statement_t
*stat
)
520 ctx
->stats_tail
->next
= stat
;
521 ctx
->stats_tail
= stat
;
523 ctx
->stats
= ctx
->stats_tail
= stat
;
527 static void source_add_class
(parser_ctx_t
*ctx
, class_decl_t
*class_decl
)
529 class_decl
->next
= ctx
->class_decls
;
530 ctx
->class_decls
= class_decl
;
533 static void handle_isexpression_script
(parser_ctx_t
*ctx
, expression_t
*expr
)
535 retval_statement_t
*stat
;
540 stat
= new_statement
(ctx
, STAT_RETVAL
, sizeof
(*stat
), 0);
545 ctx
->stats
= &stat
->stat
;
548 static void *new_expression
(parser_ctx_t
*ctx
, expression_type_t type
, size_t size
)
552 expr
= parser_alloc
(ctx
, size ? size
: sizeof
(*expr
));
561 static expression_t
*new_bool_expression
(parser_ctx_t
*ctx
, VARIANT_BOOL value
)
563 bool_expression_t
*expr
;
565 expr
= new_expression
(ctx
, EXPR_BOOL
, sizeof
(*expr
));
573 static expression_t
*new_string_expression
(parser_ctx_t
*ctx
, const WCHAR
*value
)
575 string_expression_t
*expr
;
577 expr
= new_expression
(ctx
, EXPR_STRING
, sizeof
(*expr
));
585 static expression_t
*new_long_expression
(parser_ctx_t
*ctx
, expression_type_t type
, LONG value
)
587 int_expression_t
*expr
;
589 expr
= new_expression
(ctx
, type
, sizeof
(*expr
));
597 static expression_t
*new_double_expression
(parser_ctx_t
*ctx
, double value
)
599 double_expression_t
*expr
;
601 expr
= new_expression
(ctx
, EXPR_DOUBLE
, sizeof
(*expr
));
609 static expression_t
*new_unary_expression
(parser_ctx_t
*ctx
, expression_type_t type
, expression_t
*subexpr
)
611 unary_expression_t
*expr
;
613 expr
= new_expression
(ctx
, type
, sizeof
(*expr
));
617 expr
->subexpr
= subexpr
;
621 static expression_t
*new_binary_expression
(parser_ctx_t
*ctx
, expression_type_t type
, expression_t
*left
, expression_t
*right
)
623 binary_expression_t
*expr
;
625 expr
= new_expression
(ctx
, type
, sizeof
(*expr
));
634 static member_expression_t
*new_member_expression
(parser_ctx_t
*ctx
, expression_t
*obj_expr
, const WCHAR
*identifier
)
636 member_expression_t
*expr
;
638 expr
= new_expression
(ctx
, EXPR_MEMBER
, sizeof
(*expr
));
642 expr
->obj_expr
= obj_expr
;
643 expr
->identifier
= identifier
;
647 static call_expression_t
*new_call_expression
(parser_ctx_t
*ctx
, expression_t
*expr
, expression_t
*arguments
)
649 call_expression_t
*call_expr
;
651 call_expr
= new_expression
(ctx
, EXPR_CALL
, sizeof
(*call_expr
));
655 call_expr
->call_expr
= expr
;
656 call_expr
->args
= arguments
;
660 static call_expression_t
*make_call_expression
(parser_ctx_t
*ctx
, expression_t
*callee_expr
, expression_t
*arguments
)
662 call_expression_t
*call_expr
;
664 if
(callee_expr
->type
== EXPR_MEMBER
)
665 return new_call_expression
(ctx
, callee_expr
, arguments
);
666 if
(callee_expr
->type
!= EXPR_CALL
) {
667 FIXME
("Unhandled for expr type %u\n", callee_expr
->type
);
671 call_expr
= (call_expression_t
*)callee_expr
;
672 if
(!call_expr
->args
) {
673 call_expr
->args
= arguments
;
677 if
(call_expr
->args
->next
) {
678 FIXME
("Invalid syntax: invalid use of parentheses for arguments\n");
683 call_expr
->args
= new_unary_expression
(ctx
, EXPR_BRACKETS
, call_expr
->args
);
689 if
(arguments
->type
!= EXPR_NOARG
) {
690 FIXME
("Invalid syntax: missing comma\n");
695 call_expr
->args
->next
= arguments
->next
;
699 static expression_t
*new_new_expression
(parser_ctx_t
*ctx
, const WCHAR
*identifier
)
701 string_expression_t
*expr
;
703 expr
= new_expression
(ctx
, EXPR_NEW
, sizeof
(*expr
));
707 expr
->value
= identifier
;
711 static void *new_statement
(parser_ctx_t
*ctx
, statement_type_t type
, size_t size
, unsigned loc
)
715 stat
= parser_alloc
(ctx
, size ? size
: sizeof
(*stat
));
725 static statement_t
*new_call_statement
(parser_ctx_t
*ctx
, unsigned loc
, BOOL is_strict
, expression_t
*expr
)
727 call_expression_t
*call_expr
= NULL
;
728 call_statement_t
*stat
;
730 stat
= new_statement
(ctx
, STAT_CALL
, sizeof
(*stat
), loc
);
736 call_expr
= new_call_expression
(ctx
, expr
, NULL
);
739 call_expr
= (call_expression_t
*)expr
;
742 FIXME
("Unsupported expr type %u\n", expr
->type
);
743 ctx
->hres
= E_NOTIMPL
;
748 stat
->expr
= call_expr
;
749 stat
->is_strict
= is_strict
;
753 static statement_t
*new_assign_statement
(parser_ctx_t
*ctx
, unsigned loc
, expression_t
*left
, expression_t
*right
)
755 assign_statement_t
*stat
;
757 stat
= new_statement
(ctx
, STAT_ASSIGN
, sizeof
(*stat
), loc
);
761 stat
->left_expr
= left
;
762 stat
->value_expr
= right
;
767 static statement_t
*new_set_statement
(parser_ctx_t
*ctx
, unsigned loc
, expression_t
*left
, expression_t
*right
)
769 assign_statement_t
*stat
;
771 stat
= new_statement
(ctx
, STAT_SET
, sizeof
(*stat
), loc
);
775 stat
->left_expr
= left
;
776 stat
->value_expr
= right
;
781 static dim_decl_t
*new_dim_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, BOOL is_array
, dim_list_t
*dims
)
785 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
790 decl
->is_array
= is_array
;
796 static dim_list_t
*new_dim
(parser_ctx_t
*ctx
, unsigned val
, dim_list_t
*next
)
800 ret
= parser_alloc
(ctx
, sizeof
(*ret
));
809 static statement_t
*new_dim_statement
(parser_ctx_t
*ctx
, unsigned loc
, dim_decl_t
*decls
)
811 dim_statement_t
*stat
;
813 stat
= new_statement
(ctx
, STAT_DIM
, sizeof
(*stat
), loc
);
817 stat
->dim_decls
= decls
;
821 static statement_t
*new_redim_statement
(parser_ctx_t
*ctx
, unsigned loc
, const WCHAR
*identifier
, BOOL preserve
, expression_t
*dims
)
823 redim_statement_t
*stat
;
825 stat
= new_statement
(ctx
, STAT_REDIM
, sizeof
(*stat
), loc
);
829 stat
->identifier
= identifier
;
830 stat
->preserve
= preserve
;
835 static elseif_decl_t
*new_elseif_decl
(parser_ctx_t
*ctx
, unsigned loc
, expression_t
*expr
, statement_t
*stat
)
839 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
850 static statement_t
*new_while_statement
(parser_ctx_t
*ctx
, unsigned loc
, statement_type_t type
, expression_t
*expr
, statement_t
*body
)
852 while_statement_t
*stat
;
854 stat
= new_statement
(ctx
, type
, sizeof
(*stat
), loc
);
863 static statement_t
*new_forto_statement
(parser_ctx_t
*ctx
, unsigned loc
, const WCHAR
*identifier
, expression_t
*from_expr
,
864 expression_t
*to_expr
, expression_t
*step_expr
, statement_t
*body
)
866 forto_statement_t
*stat
;
868 stat
= new_statement
(ctx
, STAT_FORTO
, sizeof
(*stat
), loc
);
872 stat
->identifier
= identifier
;
873 stat
->from_expr
= from_expr
;
874 stat
->to_expr
= to_expr
;
875 stat
->step_expr
= step_expr
;
880 static statement_t
*new_foreach_statement
(parser_ctx_t
*ctx
, unsigned loc
, const WCHAR
*identifier
, expression_t
*group_expr
,
883 foreach_statement_t
*stat
;
885 stat
= new_statement
(ctx
, STAT_FOREACH
, sizeof
(*stat
), loc
);
889 stat
->identifier
= identifier
;
890 stat
->group_expr
= group_expr
;
895 static statement_t
*new_if_statement
(parser_ctx_t
*ctx
, unsigned loc
, expression_t
*expr
, statement_t
*if_stat
, elseif_decl_t
*elseif_decl
,
896 statement_t
*else_stat
)
898 if_statement_t
*stat
;
900 stat
= new_statement
(ctx
, STAT_IF
, sizeof
(*stat
), loc
);
905 stat
->if_stat
= if_stat
;
906 stat
->elseifs
= elseif_decl
;
907 stat
->else_stat
= else_stat
;
911 static statement_t
*new_select_statement
(parser_ctx_t
*ctx
, unsigned loc
, expression_t
*expr
, case_clausule_t
*case_clausules
)
913 select_statement_t
*stat
;
915 stat
= new_statement
(ctx
, STAT_SELECT
, sizeof
(*stat
), loc
);
920 stat
->case_clausules
= case_clausules
;
924 static statement_t
*new_with_statement
(parser_ctx_t
*ctx
, unsigned loc
, expression_t
*expr
, statement_t
*body
)
926 with_statement_t
*stat
;
928 stat
= new_statement
(ctx
, STAT_WITH
, sizeof
(*stat
), loc
);
937 static case_clausule_t
*new_case_clausule
(parser_ctx_t
*ctx
, expression_t
*expr
, statement_t
*stat
, case_clausule_t
*next
)
939 case_clausule_t
*ret
;
941 ret
= parser_alloc
(ctx
, sizeof
(*ret
));
951 static statement_t
*new_onerror_statement
(parser_ctx_t
*ctx
, unsigned loc
, BOOL resume_next
)
953 onerror_statement_t
*stat
;
955 stat
= new_statement
(ctx
, STAT_ONERROR
, sizeof
(*stat
), loc
);
959 stat
->resume_next
= resume_next
;
963 static arg_decl_t
*new_argument_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, BOOL by_ref
)
965 arg_decl_t
*arg_decl
;
967 arg_decl
= parser_alloc
(ctx
, sizeof
(*arg_decl
));
971 arg_decl
->name
= name
;
972 arg_decl
->by_ref
= by_ref
;
973 arg_decl
->next
= NULL
;
977 static function_decl_t
*new_function_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, function_type_t type
,
978 unsigned storage_flags
, arg_decl_t
*arg_decl
, statement_t
*body
)
980 function_decl_t
*decl
;
982 if
(storage_flags
& STORAGE_IS_DEFAULT
) {
983 if
(type
== FUNC_PROPGET
) {
986 FIXME
("Invalid default property\n");
992 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
998 decl
->is_public
= !(storage_flags
& STORAGE_IS_PRIVATE
);
999 decl
->args
= arg_decl
;
1002 decl
->next_prop_func
= NULL
;
1006 static statement_t
*new_function_statement
(parser_ctx_t
*ctx
, unsigned loc
, function_decl_t
*decl
)
1008 function_statement_t
*stat
;
1010 stat
= new_statement
(ctx
, STAT_FUNC
, sizeof
(*stat
), loc
);
1014 stat
->func_decl
= decl
;
1018 static class_decl_t
*new_class_decl
(parser_ctx_t
*ctx
)
1020 class_decl_t
*class_decl
;
1022 class_decl
= parser_alloc
(ctx
, sizeof
(*class_decl
));
1026 class_decl
->funcs
= NULL
;
1027 class_decl
->props
= NULL
;
1028 class_decl
->next
= NULL
;
1032 static class_decl_t
*add_class_function
(parser_ctx_t
*ctx
, class_decl_t
*class_decl
, function_decl_t
*decl
)
1034 function_decl_t
*iter
;
1036 for
(iter
= class_decl
->funcs
; iter
; iter
= iter
->next
) {
1037 if
(!wcsicmp
(iter
->name
, decl
->name
)) {
1038 if
(decl
->type
== FUNC_SUB || decl
->type
== FUNC_FUNCTION
) {
1039 FIXME
("Redefinition of %s::%s\n", debugstr_w
(class_decl
->name
), debugstr_w
(decl
->name
));
1045 if
(iter
->type
== decl
->type
) {
1046 FIXME
("Redefinition of %s::%s\n", debugstr_w
(class_decl
->name
), debugstr_w
(decl
->name
));
1050 if
(!iter
->next_prop_func
)
1052 iter
= iter
->next_prop_func
;
1055 iter
->next_prop_func
= decl
;
1060 decl
->next
= class_decl
->funcs
;
1061 class_decl
->funcs
= decl
;
1065 static class_decl_t
*add_dim_prop
(parser_ctx_t
*ctx
, class_decl_t
*class_decl
, dim_decl_t
*dim_decl
, unsigned storage_flags
)
1067 if
(storage_flags
& STORAGE_IS_DEFAULT
) {
1068 FIXME
("variant prop van't be default value\n");
1073 dim_decl
->is_public
= !(storage_flags
& STORAGE_IS_PRIVATE
);
1074 dim_decl
->next
= class_decl
->props
;
1075 class_decl
->props
= dim_decl
;
1079 static const_decl_t
*new_const_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, expression_t
*expr
)
1083 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
1088 decl
->value_expr
= expr
;
1093 static statement_t
*new_const_statement
(parser_ctx_t
*ctx
, unsigned loc
, const_decl_t
*decls
)
1095 const_statement_t
*stat
;
1097 stat
= new_statement
(ctx
, STAT_CONST
, sizeof
(*stat
), loc
);
1101 stat
->decls
= decls
;
1105 static statement_t
*link_statements
(statement_t
*head
, statement_t
*tail
)
1109 for
(iter
= head
; iter
->next
; iter
= iter
->next
);
1115 void *parser_alloc
(parser_ctx_t
*ctx
, size_t size
)
1119 ret
= heap_pool_alloc
(&ctx
->heap
, size
);
1121 ctx
->hres
= E_OUTOFMEMORY
;
1125 HRESULT parse_script
(parser_ctx_t
*ctx
, const WCHAR
*code
, const WCHAR
*delimiter
, DWORD flags
)
1127 ctx
->code
= ctx
->ptr
= code
;
1128 ctx
->end
= ctx
->code
+ lstrlenW
(ctx
->code
);
1130 heap_pool_init
(&ctx
->heap
);
1133 ctx
->error_loc
= -1;
1134 ctx
->last_token
= tNL
;
1136 ctx
->stats
= ctx
->stats_tail
= NULL
;
1137 ctx
->class_decls
= NULL
;
1138 ctx
->option_explicit
= FALSE
;
1139 ctx
->is_html
= delimiter
&& !wcsicmp
(delimiter
, L
"</script>");
1141 if
(flags
& SCRIPTTEXT_ISEXPRESSION
)
1142 ctx
->last_token
= tEXPRESSION
;
1149 void parser_release
(parser_ctx_t
*ctx
)
1151 heap_pool_free
(&ctx
->heap
);