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 <bool> 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 { $$ = add_class_function(ctx, $3, $1); CHECK_ERROR; }
406 : Storage_opt tPROPERTY tGET tIdentifier EmptyBrackets_opt tNL StatementsNl_opt tEND tPROPERTY
407 { $$ = new_function_decl(ctx, $4, FUNC_PROPGET, $1, NULL, $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);