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
*,dim_decl_t
*);
61 static elseif_decl_t
*new_elseif_decl
(parser_ctx_t
*,expression_t
*,statement_t
*);
62 static function_decl_t
*new_function_decl
(parser_ctx_t
*,const WCHAR
*,function_type_t
,unsigned,arg_decl_t
*,statement_t
*);
63 static arg_decl_t
*new_argument_decl
(parser_ctx_t
*,const WCHAR
*,BOOL
);
64 static const_decl_t
*new_const_decl
(parser_ctx_t
*,const WCHAR
*,expression_t
*);
65 static case_clausule_t
*new_case_clausule
(parser_ctx_t
*,expression_t
*,statement_t
*,case_clausule_t
*);
67 static class_decl_t
*new_class_decl
(parser_ctx_t
*);
68 static class_decl_t
*add_class_function
(parser_ctx_t
*,class_decl_t
*,function_decl_t
*);
69 static class_decl_t
*add_variant_prop
(parser_ctx_t
*,class_decl_t
*,const WCHAR
*,unsigned);
71 static statement_t
*link_statements
(statement_t
*,statement_t
*);
73 static const WCHAR propertyW
[] = {'p','r','o','p','e','r','t','y',0};
75 #define STORAGE_IS_PRIVATE 1
76 #define STORAGE_IS_DEFAULT 2
78 #define CHECK_ERROR if(((parser_ctx_t*)ctx)->hres != S_OK) YYABORT
82 %lex
-param
{ parser_ctx_t
*ctx
}
83 %parse
-param
{ parser_ctx_t
*ctx
}
89 statement_t
*statement
;
90 expression_t
*expression
;
91 member_expression_t
*member
;
92 elseif_decl_t
*elseif
;
94 function_decl_t
*func_decl
;
96 class_decl_t
*class_decl
;
97 const_decl_t
*const_decl
;
98 case_clausule_t
*case_clausule
;
105 %token tEOF tNL tREM tEMPTYBRACKETS
107 %token tNOT tAND tOR tXOR tEQV tIMP tNEQ
108 %token tIS tLTEQ tGTEQ tMOD
109 %token tCALL tDIM tSUB tFUNCTION tPROPERTY tGET tLET tCONST
110 %token tIF tELSE tELSEIF tEND tTHEN tEXIT
111 %token tWHILE tWEND tDO tLOOP tUNTIL tFOR tTO tSTEP tEACH tIN
114 %token tOPTION tEXPLICIT
116 %token tNOTHING tEMPTY tNULL
117 %token tCLASS tSET tNEW tPUBLIC tPRIVATE tDEFAULT tME
118 %token tERROR tNEXT tON tRESUME tGOTO
119 %token
<string> tIdentifier tString
120 %token
<lng
> tLong tShort
123 %type
<statement
> Statement SimpleStatement StatementNl StatementsNl StatementsNl_opt IfStatement Else_opt
124 %type
<expression
> Expression LiteralExpression PrimaryExpression EqualityExpression CallExpression
125 %type
<expression
> ConcatExpression AdditiveExpression ModExpression IntdivExpression MultiplicativeExpression ExpExpression
126 %type
<expression
> NotExpression UnaryExpression AndExpression OrExpression XorExpression EqvExpression
127 %type
<expression
> ConstExpression NumericLiteralExpression
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
'=' ConstExpression
{ $$
= new_const_decl
(ctx
, $1, $3); CHECK_ERROR
; }
224 : LiteralExpression
{ $$
= $1; }
225 |
'-' NumericLiteralExpression
{ $$
= new_unary_expression
(ctx
, EXPR_NEG
, $2); CHECK_ERROR
; }
228 : tWHILE
{ $$
= TRUE
; }
229 | tUNTIL
{ $$
= FALSE
; }
232 : /* empty */ { $$
= NULL
;}
233 | tSTEP Expression
{ $$
= $2; }
236 : tIF Expression tTHEN tNL StatementsNl_opt ElseIfs_opt Else_opt tEND tIF
237 { $$
= new_if_statement
(ctx
, $2, $5, $6, $7); CHECK_ERROR
; }
238 | tIF Expression tTHEN Statement
{ $$
= new_if_statement
(ctx
, $2, $4, NULL
, NULL
); CHECK_ERROR
; }
239 | tIF Expression tTHEN Statement tELSE Statement EndIf_opt
240 { $$
= new_if_statement
(ctx
, $2, $4, NULL
, $6); CHECK_ERROR
; }
247 : /* empty */ { $$
= NULL
; }
248 | ElseIfs
{ $$
= $1; }
251 : ElseIf
{ $$
= $1; }
252 | ElseIf ElseIfs
{ $1->next
= $2; $$
= $1; }
255 : tELSEIF Expression tTHEN tNL StatementsNl_opt
256 { $$
= new_elseif_decl
(ctx
, $2, $5); }
259 : /* empty */ { $$
= NULL
; }
260 | tELSE tNL StatementsNl_opt
{ $$
= $3; }
263 : /* empty */ { $$
= NULL
; }
264 | tCASE tELSE tNL StatementsNl
{ $$
= new_case_clausule
(ctx
, NULL
, $4, NULL
); }
265 | tCASE ExpressionList tNL StatementsNl_opt CaseClausules
266 { $$
= new_case_clausule
(ctx
, $2, $4, $5); }
269 : EmptyBrackets_opt
{ $$
= NULL
; }
270 |
'(' ExpressionList
')' { $$
= $2; }
273 : EmptyBrackets_opt
{ $$
= NULL
; }
274 | ExpressionList
{ $$
= $1; }
281 : Expression
{ $$
= $1; }
282 | Expression
',' ExpressionList
{ $1->next
= $3; $$
= $1; }
285 : EqvExpression
{ $$
= $1; }
286 | Expression tIMP EqvExpression
{ $$
= new_binary_expression
(ctx
, EXPR_IMP
, $1, $3); CHECK_ERROR
; }
289 : XorExpression
{ $$
= $1; }
290 | EqvExpression tEQV XorExpression
{ $$
= new_binary_expression
(ctx
, EXPR_EQV
, $1, $3); CHECK_ERROR
; }
293 : OrExpression
{ $$
= $1; }
294 | XorExpression tXOR OrExpression
{ $$
= new_binary_expression
(ctx
, EXPR_XOR
, $1, $3); CHECK_ERROR
; }
297 : AndExpression
{ $$
= $1; }
298 | OrExpression tOR AndExpression
{ $$
= new_binary_expression
(ctx
, EXPR_OR
, $1, $3); CHECK_ERROR
; }
301 : NotExpression
{ $$
= $1; }
302 | AndExpression tAND NotExpression
{ $$
= new_binary_expression
(ctx
, EXPR_AND
, $1, $3); CHECK_ERROR
; }
305 : EqualityExpression
{ $$
= $1; }
306 | tNOT NotExpression
{ $$
= new_unary_expression
(ctx
, EXPR_NOT
, $2); CHECK_ERROR
; }
309 : ConcatExpression
{ $$
= $1; }
310 | EqualityExpression
'=' ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_EQUAL
, $1, $3); CHECK_ERROR
; }
311 | EqualityExpression tNEQ ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_NEQUAL
, $1, $3); CHECK_ERROR
; }
312 | EqualityExpression
'>' ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_GT
, $1, $3); CHECK_ERROR
; }
313 | EqualityExpression
'<' ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_LT
, $1, $3); CHECK_ERROR
; }
314 | EqualityExpression tGTEQ ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_GTEQ
, $1, $3); CHECK_ERROR
; }
315 | EqualityExpression tLTEQ ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_LTEQ
, $1, $3); CHECK_ERROR
; }
316 | EqualityExpression tIS ConcatExpression
{ $$
= new_binary_expression
(ctx
, EXPR_IS
, $1, $3); CHECK_ERROR
; }
319 : AdditiveExpression
{ $$
= $1; }
320 | ConcatExpression
'&' AdditiveExpression
{ $$
= new_binary_expression
(ctx
, EXPR_CONCAT
, $1, $3); CHECK_ERROR
; }
323 : ModExpression
{ $$
= $1; }
324 | AdditiveExpression
'+' ModExpression
{ $$
= new_binary_expression
(ctx
, EXPR_ADD
, $1, $3); CHECK_ERROR
; }
325 | AdditiveExpression
'-' ModExpression
{ $$
= new_binary_expression
(ctx
, EXPR_SUB
, $1, $3); CHECK_ERROR
; }
328 : IntdivExpression
{ $$
= $1; }
329 | ModExpression tMOD IntdivExpression
{ $$
= new_binary_expression
(ctx
, EXPR_MOD
, $1, $3); CHECK_ERROR
; }
332 : MultiplicativeExpression
{ $$
= $1; }
333 | IntdivExpression
'\\' MultiplicativeExpression
334 { $$
= new_binary_expression
(ctx
, EXPR_IDIV
, $1, $3); CHECK_ERROR
; }
336 MultiplicativeExpression
337 : ExpExpression
{ $$
= $1; }
338 | MultiplicativeExpression
'*' ExpExpression
339 { $$
= new_binary_expression
(ctx
, EXPR_MUL
, $1, $3); CHECK_ERROR
; }
340 | MultiplicativeExpression
'/' ExpExpression
341 { $$
= new_binary_expression
(ctx
, EXPR_DIV
, $1, $3); CHECK_ERROR
; }
344 : UnaryExpression
{ $$
= $1; }
345 | ExpExpression
'^' UnaryExpression
{ $$
= new_binary_expression
(ctx
, EXPR_EXP
, $1, $3); CHECK_ERROR
; }
348 : LiteralExpression
{ $$
= $1; }
349 | CallExpression
{ $$
= $1; }
350 | tNEW Identifier
{ $$
= new_new_expression
(ctx
, $2); CHECK_ERROR
; }
351 |
'-' UnaryExpression
{ $$
= new_unary_expression
(ctx
, EXPR_NEG
, $2); CHECK_ERROR
; }
354 : PrimaryExpression
{ $$
= $1; }
355 | MemberExpression Arguments_opt
{ $1->args
= $2; $$
= &$1->expr
; }
358 : tTRUE
{ $$
= new_bool_expression
(ctx
, VARIANT_TRUE
); CHECK_ERROR
; }
359 | tFALSE
{ $$
= new_bool_expression
(ctx
, VARIANT_FALSE
); CHECK_ERROR
; }
360 | tString
{ $$
= new_string_expression
(ctx
, $1); CHECK_ERROR
; }
361 | NumericLiteralExpression
{ $$
= $1; }
362 | tEMPTY
{ $$
= new_expression
(ctx
, EXPR_EMPTY
, 0); CHECK_ERROR
; }
363 | tNULL
{ $$
= new_expression
(ctx
, EXPR_NULL
, 0); CHECK_ERROR
; }
364 | tNOTHING
{ $$
= new_expression
(ctx
, EXPR_NOTHING
, 0); CHECK_ERROR
; }
366 NumericLiteralExpression
367 : tShort
{ $$
= new_long_expression
(ctx
, EXPR_USHORT
, $1); CHECK_ERROR
; }
368 |
'0' { $$
= new_long_expression
(ctx
, EXPR_USHORT
, 0); CHECK_ERROR
; }
369 | tLong
{ $$
= new_long_expression
(ctx
, EXPR_ULONG
, $1); CHECK_ERROR
; }
370 | tDouble
{ $$
= new_double_expression
(ctx
, $1); CHECK_ERROR
; }
374 : '(' Expression
')' { $$
= new_unary_expression
(ctx
, EXPR_BRACKETS
, $2); }
375 | tME
{ $$
= new_expression
(ctx
, EXPR_ME
, 0); CHECK_ERROR
; }
378 : tCLASS Identifier tNL ClassBody tEND tCLASS tNL
{ $4->name
= $2; $$
= $4; }
381 : /* empty */ { $$
= new_class_decl
(ctx
); }
382 | FunctionDecl tNL ClassBody
{ $$
= add_class_function
(ctx
, $3, $1); CHECK_ERROR
; }
383 | Storage tIdentifier tNL ClassBody
{ $$
= add_variant_prop
(ctx
, $4, $2, $1); CHECK_ERROR
; }
384 | PropertyDecl tNL ClassBody
{ $$
= add_class_function
(ctx
, $3, $1); CHECK_ERROR
; }
387 : Storage_opt tPROPERTY tGET tIdentifier EmptyBrackets_opt tNL StatementsNl_opt tEND tPROPERTY
388 { $$
= new_function_decl
(ctx
, $4, FUNC_PROPGET
, $1, NULL
, $7); CHECK_ERROR
; }
389 | Storage_opt tPROPERTY tLET tIdentifier
'(' ArgumentDecl
')' tNL StatementsNl_opt tEND tPROPERTY
390 { $$
= new_function_decl
(ctx
, $4, FUNC_PROPLET
, $1, $6, $9); CHECK_ERROR
; }
391 | Storage_opt tPROPERTY tSET tIdentifier
'(' ArgumentDecl
')' tNL StatementsNl_opt tEND tPROPERTY
392 { $$
= new_function_decl
(ctx
, $4, FUNC_PROPSET
, $1, $6, $9); CHECK_ERROR
; }
395 : Storage_opt tSUB Identifier ArgumentsDecl_opt tNL StatementsNl_opt tEND tSUB
396 { $$
= new_function_decl
(ctx
, $3, FUNC_SUB
, $1, $4, $6); CHECK_ERROR
; }
397 | Storage_opt tFUNCTION Identifier ArgumentsDecl_opt tNL StatementsNl_opt tEND tFUNCTION
398 { $$
= new_function_decl
(ctx
, $3, FUNC_FUNCTION
, $1, $4, $6); CHECK_ERROR
; }
401 : /* empty*/ { $$
= 0; }
402 | Storage
{ $$
= $1; }
405 : tPUBLIC tDEFAULT
{ $$
= STORAGE_IS_DEFAULT
; }
406 | tPUBLIC
{ $$
= 0; }
407 | tPRIVATE
{ $$
= STORAGE_IS_PRIVATE
; }
410 : EmptyBrackets_opt
{ $$
= NULL
; }
411 |
'(' ArgumentDeclList
')' { $$
= $2; }
414 : ArgumentDecl
{ $$
= $1; }
415 | ArgumentDecl
',' ArgumentDeclList
{ $1->next
= $3; $$
= $1; }
418 : Identifier
{ $$
= new_argument_decl
(ctx
, $1, TRUE
); }
419 | tBYREF Identifier
{ $$
= new_argument_decl
(ctx
, $2, TRUE
); }
420 | tBYVAL Identifier
{ $$
= new_argument_decl
(ctx
, $2, FALSE
); }
422 /* 'property' may be both keyword and identifier, depending on context */
424 : tIdentifier
{ $$
= $1; }
425 | tPROPERTY
{ $$
= propertyW
; }
428 static int parser_error
(parser_ctx_t
*ctx
, const char *str
)
433 static void source_add_statement
(parser_ctx_t
*ctx
, statement_t
*stat
)
439 ctx
->stats_tail
->next
= stat
;
440 ctx
->stats_tail
= stat
;
442 ctx
->stats
= ctx
->stats_tail
= stat
;
446 static void source_add_class
(parser_ctx_t
*ctx
, class_decl_t
*class_decl
)
448 class_decl
->next
= ctx
->class_decls
;
449 ctx
->class_decls
= class_decl
;
452 static void parse_complete
(parser_ctx_t
*ctx
, BOOL option_explicit
)
454 ctx
->parse_complete
= TRUE
;
455 ctx
->option_explicit
= option_explicit
;
458 static void *new_expression
(parser_ctx_t
*ctx
, expression_type_t type
, size_t size
)
462 expr
= parser_alloc
(ctx
, size ? size
: sizeof
(*expr
));
471 static expression_t
*new_bool_expression
(parser_ctx_t
*ctx
, VARIANT_BOOL value
)
473 bool_expression_t
*expr
;
475 expr
= new_expression
(ctx
, EXPR_BOOL
, sizeof
(*expr
));
483 static expression_t
*new_string_expression
(parser_ctx_t
*ctx
, const WCHAR
*value
)
485 string_expression_t
*expr
;
487 expr
= new_expression
(ctx
, EXPR_STRING
, sizeof
(*expr
));
495 static expression_t
*new_long_expression
(parser_ctx_t
*ctx
, expression_type_t type
, LONG value
)
497 int_expression_t
*expr
;
499 expr
= new_expression
(ctx
, type
, sizeof
(*expr
));
507 static expression_t
*new_double_expression
(parser_ctx_t
*ctx
, double value
)
509 double_expression_t
*expr
;
511 expr
= new_expression
(ctx
, EXPR_DOUBLE
, sizeof
(*expr
));
519 static expression_t
*new_unary_expression
(parser_ctx_t
*ctx
, expression_type_t type
, expression_t
*subexpr
)
521 unary_expression_t
*expr
;
523 expr
= new_expression
(ctx
, type
, sizeof
(*expr
));
527 expr
->subexpr
= subexpr
;
531 static expression_t
*new_binary_expression
(parser_ctx_t
*ctx
, expression_type_t type
, expression_t
*left
, expression_t
*right
)
533 binary_expression_t
*expr
;
535 expr
= new_expression
(ctx
, type
, sizeof
(*expr
));
544 static member_expression_t
*new_member_expression
(parser_ctx_t
*ctx
, expression_t
*obj_expr
, const WCHAR
*identifier
)
546 member_expression_t
*expr
;
548 expr
= new_expression
(ctx
, EXPR_MEMBER
, sizeof
(*expr
));
552 expr
->obj_expr
= obj_expr
;
553 expr
->identifier
= identifier
;
558 static expression_t
*new_new_expression
(parser_ctx_t
*ctx
, const WCHAR
*identifier
)
560 string_expression_t
*expr
;
562 expr
= new_expression
(ctx
, EXPR_NEW
, sizeof
(*expr
));
566 expr
->value
= identifier
;
570 static void *new_statement
(parser_ctx_t
*ctx
, statement_type_t type
, size_t size
)
574 stat
= parser_alloc
(ctx
, size ? size
: sizeof
(*stat
));
583 static statement_t
*new_call_statement
(parser_ctx_t
*ctx
, BOOL is_strict
, member_expression_t
*expr
)
585 call_statement_t
*stat
;
587 stat
= new_statement
(ctx
, STAT_CALL
, sizeof
(*stat
));
592 stat
->is_strict
= is_strict
;
596 static statement_t
*new_assign_statement
(parser_ctx_t
*ctx
, member_expression_t
*left
, expression_t
*right
)
598 assign_statement_t
*stat
;
600 stat
= new_statement
(ctx
, STAT_ASSIGN
, sizeof
(*stat
));
604 stat
->member_expr
= left
;
605 stat
->value_expr
= right
;
609 static statement_t
*new_set_statement
(parser_ctx_t
*ctx
, member_expression_t
*left
, expression_t
*right
)
611 assign_statement_t
*stat
;
613 stat
= new_statement
(ctx
, STAT_SET
, sizeof
(*stat
));
617 stat
->member_expr
= left
;
618 stat
->value_expr
= right
;
622 static dim_decl_t
*new_dim_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, dim_decl_t
*next
)
626 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
635 static statement_t
*new_dim_statement
(parser_ctx_t
*ctx
, dim_decl_t
*decls
)
637 dim_statement_t
*stat
;
639 stat
= new_statement
(ctx
, STAT_DIM
, sizeof
(*stat
));
643 stat
->dim_decls
= decls
;
647 static elseif_decl_t
*new_elseif_decl
(parser_ctx_t
*ctx
, expression_t
*expr
, statement_t
*stat
)
651 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
661 static statement_t
*new_while_statement
(parser_ctx_t
*ctx
, statement_type_t type
, expression_t
*expr
, statement_t
*body
)
663 while_statement_t
*stat
;
665 stat
= new_statement
(ctx
, type
, sizeof
(*stat
));
674 static statement_t
*new_forto_statement
(parser_ctx_t
*ctx
, const WCHAR
*identifier
, expression_t
*from_expr
,
675 expression_t
*to_expr
, expression_t
*step_expr
, statement_t
*body
)
677 forto_statement_t
*stat
;
679 stat
= new_statement
(ctx
, STAT_FORTO
, sizeof
(*stat
));
683 stat
->identifier
= identifier
;
684 stat
->from_expr
= from_expr
;
685 stat
->to_expr
= to_expr
;
686 stat
->step_expr
= step_expr
;
691 static statement_t
*new_foreach_statement
(parser_ctx_t
*ctx
, const WCHAR
*identifier
, expression_t
*group_expr
,
694 foreach_statement_t
*stat
;
696 stat
= new_statement
(ctx
, STAT_FOREACH
, sizeof
(*stat
));
700 stat
->identifier
= identifier
;
701 stat
->group_expr
= group_expr
;
706 static statement_t
*new_if_statement
(parser_ctx_t
*ctx
, expression_t
*expr
, statement_t
*if_stat
, elseif_decl_t
*elseif_decl
,
707 statement_t
*else_stat
)
709 if_statement_t
*stat
;
711 stat
= new_statement
(ctx
, STAT_IF
, sizeof
(*stat
));
716 stat
->if_stat
= if_stat
;
717 stat
->elseifs
= elseif_decl
;
718 stat
->else_stat
= else_stat
;
722 static statement_t
*new_select_statement
(parser_ctx_t
*ctx
, expression_t
*expr
, case_clausule_t
*case_clausules
)
724 select_statement_t
*stat
;
726 stat
= new_statement
(ctx
, STAT_SELECT
, sizeof
(*stat
));
731 stat
->case_clausules
= case_clausules
;
735 static case_clausule_t
*new_case_clausule
(parser_ctx_t
*ctx
, expression_t
*expr
, statement_t
*stat
, case_clausule_t
*next
)
737 case_clausule_t
*ret
;
739 ret
= parser_alloc
(ctx
, sizeof
(*ret
));
749 static statement_t
*new_onerror_statement
(parser_ctx_t
*ctx
, BOOL resume_next
)
751 onerror_statement_t
*stat
;
753 stat
= new_statement
(ctx
, STAT_ONERROR
, sizeof
(*stat
));
757 stat
->resume_next
= resume_next
;
761 static arg_decl_t
*new_argument_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, BOOL by_ref
)
763 arg_decl_t
*arg_decl
;
765 arg_decl
= parser_alloc
(ctx
, sizeof
(*arg_decl
));
769 arg_decl
->name
= name
;
770 arg_decl
->by_ref
= by_ref
;
771 arg_decl
->next
= NULL
;
775 static function_decl_t
*new_function_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, function_type_t type
,
776 unsigned storage_flags
, arg_decl_t
*arg_decl
, statement_t
*body
)
778 function_decl_t
*decl
;
780 if
(storage_flags
& STORAGE_IS_DEFAULT
) {
781 if
(type
== FUNC_PROPGET
) {
784 FIXME
("Invalid default property\n");
790 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
796 decl
->is_public
= !(storage_flags
& STORAGE_IS_PRIVATE
);
797 decl
->args
= arg_decl
;
800 decl
->next_prop_func
= NULL
;
804 static statement_t
*new_function_statement
(parser_ctx_t
*ctx
, function_decl_t
*decl
)
806 function_statement_t
*stat
;
808 stat
= new_statement
(ctx
, STAT_FUNC
, sizeof
(*stat
));
812 stat
->func_decl
= decl
;
816 static class_decl_t
*new_class_decl
(parser_ctx_t
*ctx
)
818 class_decl_t
*class_decl
;
820 class_decl
= parser_alloc
(ctx
, sizeof
(*class_decl
));
824 class_decl
->funcs
= NULL
;
825 class_decl
->props
= NULL
;
826 class_decl
->next
= NULL
;
830 static class_decl_t
*add_class_function
(parser_ctx_t
*ctx
, class_decl_t
*class_decl
, function_decl_t
*decl
)
832 function_decl_t
*iter
;
834 for
(iter
= class_decl
->funcs
; iter
; iter
= iter
->next
) {
835 if
(!strcmpiW
(iter
->name
, decl
->name
)) {
836 if
(decl
->type
== FUNC_SUB || decl
->type
== FUNC_FUNCTION
) {
837 FIXME
("Redefinition of %s::%s\n", debugstr_w
(class_decl
->name
), debugstr_w
(decl
->name
));
843 if
(iter
->type
== decl
->type
) {
844 FIXME
("Redefinition of %s::%s\n", debugstr_w
(class_decl
->name
), debugstr_w
(decl
->name
));
848 if
(!iter
->next_prop_func
)
850 iter
= iter
->next_prop_func
;
853 iter
->next_prop_func
= decl
;
858 decl
->next
= class_decl
->funcs
;
859 class_decl
->funcs
= decl
;
863 static class_decl_t
*add_variant_prop
(parser_ctx_t
*ctx
, class_decl_t
*class_decl
, const WCHAR
*identifier
, unsigned storage_flags
)
865 class_prop_decl_t
*prop
;
867 if
(storage_flags
& STORAGE_IS_DEFAULT
) {
868 FIXME
("variant prop van't be default value\n");
873 prop
= parser_alloc
(ctx
, sizeof
(*prop
));
877 prop
->name
= identifier
;
878 prop
->is_public
= !(storage_flags
& STORAGE_IS_PRIVATE
);
879 prop
->next
= class_decl
->props
;
880 class_decl
->props
= prop
;
884 static const_decl_t
*new_const_decl
(parser_ctx_t
*ctx
, const WCHAR
*name
, expression_t
*expr
)
888 decl
= parser_alloc
(ctx
, sizeof
(*decl
));
893 decl
->value_expr
= expr
;
898 static statement_t
*new_const_statement
(parser_ctx_t
*ctx
, const_decl_t
*decls
)
900 const_statement_t
*stat
;
902 stat
= new_statement
(ctx
, STAT_CONST
, sizeof
(*stat
));
910 static statement_t
*link_statements
(statement_t
*head
, statement_t
*tail
)
914 for
(iter
= head
; iter
->next
; iter
= iter
->next
);
920 void *parser_alloc
(parser_ctx_t
*ctx
, size_t size
)
924 ret
= heap_pool_alloc
(&ctx
->heap
, size
);
926 ctx
->hres
= E_OUTOFMEMORY
;
930 HRESULT parse_script
(parser_ctx_t
*ctx
, const WCHAR
*code
, const WCHAR
*delimiter
)
932 const WCHAR html_delimiterW
[] = {'<','/','s','c','r','i','p','t','>',0};
934 ctx
->code
= ctx
->ptr
= code
;
935 ctx
->end
= ctx
->code
+ strlenW
(ctx
->code
);
937 heap_pool_init
(&ctx
->heap
);
939 ctx
->parse_complete
= FALSE
;
942 ctx
->last_token
= tNL
;
944 ctx
->stats
= ctx
->stats_tail
= NULL
;
945 ctx
->class_decls
= NULL
;
946 ctx
->option_explicit
= FALSE
;
947 ctx
->is_html
= delimiter
&& !strcmpiW
(delimiter
, html_delimiterW
);
951 if
(FAILED
(ctx
->hres
))
953 if
(!ctx
->parse_complete
) {
954 FIXME
("parser failed around %s\n", debugstr_w
(ctx
->code
+20 > ctx
->ptr ? ctx
->code
: ctx
->ptr
-20));
961 void parser_release
(parser_ctx_t
*ctx
)
963 heap_pool_free
(&ctx
->heap
);