git.oblomov.eu Git - wine/blob - dlls/jscript/engine.h

   1 /*
   2  * Copyright 2008 Jacek Caban for CodeWeavers
   3  *
   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.
   8  *
   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.
  13  *
  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
  17  */
  18
  19 typedef struct _source_elements_t source_elements_t;
  20
  21 typedef struct _obj_literal_t {
  22     DispatchEx *obj;
  23     struct _obj_literal_t *next;
  24 } obj_literal_t;
  25
  26 typedef struct _parser_ctx_t {
  27     LONG ref;
  28
  29     const WCHAR *ptr;
  30     const WCHAR *begin;
  31     const WCHAR *end;
  32
  33     script_ctx_t *script;
  34     source_elements_t *source;
  35     BOOL nl;
  36     HRESULT hres;
  37
  38     jsheap_t tmp_heap;
  39     jsheap_t heap;
  40
  41     obj_literal_t *obj_literals;
  42
  43     struct _parser_ctx_t *next;
  44 } parser_ctx_t;
  45
  46 HRESULT script_parse(script_ctx_t*,const WCHAR*,parser_ctx_t**);
  47 void parser_release(parser_ctx_t*);
  48
  49 int parser_lex(void*,parser_ctx_t*);
  50
  51 static inline void parser_addref(parser_ctx_t *ctx)
  52 {
  53     ctx->ref++;
  54 }
  55
  56 static inline void *parser_alloc(parser_ctx_t *ctx, DWORD size)
  57 {
  58     return jsheap_alloc(&ctx->heap, size);
  59 }
  60
  61 static inline void *parser_alloc_tmp(parser_ctx_t *ctx, DWORD size)
  62 {
  63     return jsheap_alloc(&ctx->tmp_heap, size);
  64 }
  65
  66 typedef struct _scope_chain_t {
  67     LONG ref;
  68     DispatchEx *obj;
  69     struct _scope_chain_t *next;
  70 } scope_chain_t;
  71
  72 HRESULT scope_push(scope_chain_t*,DispatchEx*,scope_chain_t**);
  73 void scope_release(scope_chain_t*);
  74
  75 static inline void scope_addref(scope_chain_t *scope)
  76 {
  77     scope->ref++;
  78 }
  79
  80 struct _exec_ctx_t {
  81     LONG ref;
  82
  83     parser_ctx_t *parser;
  84     scope_chain_t *scope_chain;
  85     DispatchEx *var_disp;
  86     IDispatch *this_obj;
  87 };
  88
  89 static inline void exec_addref(exec_ctx_t *ctx)
  90 {
  91     ctx->ref++;
  92 }
  93
  94 void exec_release(exec_ctx_t*);
  95 HRESULT create_exec_ctx(IDispatch*,DispatchEx*,scope_chain_t*,exec_ctx_t**);
  96 HRESULT exec_source(exec_ctx_t*,parser_ctx_t*,source_elements_t*,jsexcept_t*,VARIANT*);
  97
  98 typedef struct _statement_t statement_t;
  99 typedef struct _expression_t expression_t;
 100 typedef struct _parameter_t parameter_t;
 101
 102 HRESULT create_source_function(parser_ctx_t*,parameter_t*,source_elements_t*,scope_chain_t*,DispatchEx**);
 103
 104 typedef struct {
 105     VARTYPE vt;
 106     union {
 107         LONG lval;
 108         double dval;
 109         const WCHAR *wstr;
 110         VARIANT_BOOL bval;
 111         IDispatch *disp;
 112     } u;
 113 } literal_t;
 114
 115 literal_t *parse_regexp(parser_ctx_t*);
 116
 117 typedef struct _variable_declaration_t {
 118     const WCHAR *identifier;
 119     expression_t *expr;
 120
 121     struct _variable_declaration_t *next;
 122 } variable_declaration_t;
 123
 124 typedef struct {
 125     enum{
 126         RT_NORMAL,
 127         RT_RETURN,
 128         RT_BREAK,
 129         RT_CONTINUE
 130     } type;
 131     jsexcept_t ei;
 132 } return_type_t;
 133
 134 typedef HRESULT (*statement_eval_t)(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 135
 136 struct _statement_t {
 137     statement_eval_t eval;
 138     statement_t *next;
 139 };
 140
 141 typedef struct {
 142     statement_t stat;
 143     statement_t *stat_list;
 144 } block_statement_t;
 145
 146 typedef struct {
 147     statement_t stat;
 148     variable_declaration_t *variable_list;
 149 } var_statement_t;
 150
 151 typedef struct {
 152     statement_t stat;
 153     expression_t *expr;
 154 } expression_statement_t;
 155
 156 typedef struct {
 157     statement_t stat;
 158     expression_t *expr;
 159     statement_t *if_stat;
 160     statement_t *else_stat;
 161 } if_statement_t;
 162
 163 typedef struct {
 164     statement_t stat;
 165     expression_t *expr;
 166     statement_t *statement;
 167 } while_statement_t;
 168
 169 typedef struct {
 170     statement_t stat;
 171     variable_declaration_t *variable_list;
 172     expression_t *begin_expr;
 173     expression_t *expr;
 174     expression_t *end_expr;
 175     statement_t *statement;
 176 } for_statement_t;
 177
 178 typedef struct {
 179     statement_t stat;
 180     variable_declaration_t *variable;
 181     expression_t *expr;
 182     expression_t *in_expr;
 183     statement_t *statement;
 184 } forin_statement_t;
 185
 186 typedef struct {
 187     statement_t stat;
 188     const WCHAR *identifier;
 189 } branch_statement_t;
 190
 191 typedef struct {
 192     statement_t stat;
 193     expression_t *expr;
 194     statement_t *statement;
 195 } with_statement_t;
 196
 197 typedef struct {
 198     statement_t stat;
 199     const WCHAR *identifier;
 200     statement_t *statement;
 201 } labelled_statement_t;
 202
 203 typedef struct _case_clausule_t {
 204     expression_t *expr;
 205     statement_t *stat;
 206
 207     struct _case_clausule_t *next;
 208 } case_clausule_t;
 209
 210 typedef struct {
 211     statement_t stat;
 212     expression_t *expr;
 213     case_clausule_t *case_list;
 214 } switch_statement_t;
 215
 216 typedef struct {
 217     const WCHAR *identifier;
 218     statement_t *statement;
 219 } catch_block_t;
 220
 221 typedef struct {
 222     statement_t stat;
 223     statement_t *try_statement;
 224     catch_block_t *catch_block;
 225     statement_t *finally_statement;
 226 } try_statement_t;
 227
 228 HRESULT block_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 229 HRESULT var_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 230 HRESULT empty_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 231 HRESULT expression_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 232 HRESULT if_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 233 HRESULT dowhile_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 234 HRESULT while_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 235 HRESULT for_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 236 HRESULT forin_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 237 HRESULT continue_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 238 HRESULT break_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 239 HRESULT return_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 240 HRESULT with_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 241 HRESULT labelled_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 242 HRESULT switch_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 243 HRESULT throw_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 244 HRESULT try_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 245
 246 typedef struct {
 247     enum {
 248         EXPRVAL_VARIANT,
 249         EXPRVAL_IDREF,
 250         EXPRVAL_NAMEREF
 251     } type;
 252     union {
 253         VARIANT var;
 254         struct {
 255             IDispatch *disp;
 256             DISPID id;
 257         } idref;
 258         struct {
 259             IDispatch *disp;
 260             BSTR name;
 261         } nameref;
 262     } u;
 263 } exprval_t;
 264
 265 typedef HRESULT (*expression_eval_t)(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 266
 267 struct _expression_t {
 268     expression_eval_t eval;
 269 };
 270
 271 struct _parameter_t {
 272     const WCHAR *identifier;
 273
 274     struct _parameter_t *next;
 275 };
 276
 277 typedef struct _function_declaration_t {
 278     const WCHAR *identifier;
 279     parameter_t *parameter_list;
 280     source_elements_t *source_elements;
 281
 282     struct _function_declaration_t *next;
 283 } function_declaration_t;
 284
 285 struct _source_elements_t {
 286     statement_t *statement;
 287     statement_t *statement_tail;
 288     function_declaration_t *functions;
 289     function_declaration_t *functions_tail;
 290 };
 291
 292 typedef struct {
 293     expression_t expr;
 294     const WCHAR *identifier;
 295     parameter_t *parameter_list;
 296     source_elements_t *source_elements;
 297 } function_expression_t;
 298
 299 typedef struct {
 300     expression_t expr;
 301     expression_t *expression1;
 302     expression_t *expression2;
 303 } binary_expression_t;
 304
 305 typedef struct {
 306     expression_t expr;
 307     expression_t *expression;
 308 } unary_expression_t;
 309
 310 typedef struct {
 311     expression_t expr;
 312     expression_t *expression;
 313     expression_t *true_expression;
 314     expression_t *false_expression;
 315 } conditional_expression_t;
 316
 317 typedef struct {
 318     expression_t expr;
 319     expression_t *member_expr;
 320     expression_t *expression;
 321 } array_expression_t;
 322
 323 typedef struct {
 324     expression_t expr;
 325     expression_t *expression;
 326     const WCHAR *identifier;
 327 } member_expression_t;
 328
 329 typedef struct _argument_t {
 330     expression_t *expr;
 331
 332     struct _argument_t *next;
 333 } argument_t;
 334
 335 typedef struct {
 336     expression_t expr;
 337     expression_t *expression;
 338     argument_t *argument_list;
 339 } call_expression_t;
 340
 341 typedef struct {
 342     expression_t expr;
 343     const WCHAR *identifier;
 344 } identifier_expression_t;
 345
 346 typedef struct {
 347     expression_t expr;
 348     literal_t *literal;
 349 } literal_expression_t;
 350
 351 typedef struct _array_element_t {
 352     int elision;
 353     expression_t *expr;
 354
 355     struct _array_element_t *next;
 356 } array_element_t;
 357
 358 typedef struct {
 359     expression_t expr;
 360     array_element_t *element_list;
 361     int length;
 362 } array_literal_expression_t;
 363
 364 typedef struct _prop_val_t {
 365     literal_t *name;
 366     expression_t *value;
 367
 368     struct _prop_val_t *next;
 369 } prop_val_t;
 370
 371 typedef struct {
 372     expression_t expr;
 373     prop_val_t *property_list;
 374 } property_value_expression_t;
 375
 376 typedef enum {
 377      EXPR_COMMA,
 378      EXPR_OR,
 379      EXPR_AND,
 380      EXPR_BOR,
 381      EXPR_BXOR,
 382      EXPR_BAND,
 383      EXPR_INSTANCEOF,
 384      EXPR_IN,
 385      EXPR_ADD,
 386      EXPR_SUB,
 387      EXPR_MUL,
 388      EXPR_DIV,
 389      EXPR_MOD,
 390      EXPR_DELETE,
 391      EXPR_VOID,
 392      EXPR_TYPEOF,
 393      EXPR_MINUS,
 394      EXPR_PLUS,
 395      EXPR_POSTINC,
 396      EXPR_POSTDEC,
 397      EXPR_PREINC,
 398      EXPR_PREDEC,
 399      EXPR_NEW,
 400      EXPR_EQ,
 401      EXPR_EQEQ,
 402      EXPR_NOTEQ,
 403      EXPR_NOTEQEQ,
 404      EXPR_LESS,
 405      EXPR_LESSEQ,
 406      EXPR_GREATER,
 407      EXPR_GREATEREQ,
 408      EXPR_BITNEG,
 409      EXPR_LOGNEG,
 410      EXPR_LSHIFT,
 411      EXPR_RSHIFT,
 412      EXPR_RRSHIFT,
 413      EXPR_ASSIGN,
 414      EXPR_ASSIGNLSHIFT,
 415      EXPR_ASSIGNRSHIFT,
 416      EXPR_ASSIGNRRSHIFT,
 417      EXPR_ASSIGNADD,
 418      EXPR_ASSIGNSUB,
 419      EXPR_ASSIGNMUL,
 420      EXPR_ASSIGNDIV,
 421      EXPR_ASSIGNMOD,
 422      EXPR_ASSIGNAND,
 423      EXPR_ASSIGNOR,
 424      EXPR_ASSIGNXOR
 425 } expression_type_t;
 426
 427 HRESULT function_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 428 HRESULT conditional_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 429 HRESULT array_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 430 HRESULT member_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 431 HRESULT member_new_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 432 HRESULT call_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 433 HRESULT this_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 434 HRESULT identifier_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 435 HRESULT literal_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 436 HRESULT array_literal_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 437 HRESULT property_value_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 438
 439 HRESULT comma_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 440 HRESULT logical_or_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 441 HRESULT logical_and_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 442 HRESULT binary_or_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 443 HRESULT binary_xor_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 444 HRESULT binary_and_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 445 HRESULT instanceof_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 446 HRESULT in_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 447 HRESULT add_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 448 HRESULT sub_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 449 HRESULT mul_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 450 HRESULT div_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 451 HRESULT mod_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 452 HRESULT delete_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 453 HRESULT void_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 454 HRESULT typeof_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 455 HRESULT minus_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 456 HRESULT plus_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 457 HRESULT post_increment_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 458 HRESULT post_decrement_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 459 HRESULT pre_increment_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 460 HRESULT pre_decrement_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 461 HRESULT new_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 462 HRESULT equal_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 463 HRESULT equal2_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 464 HRESULT not_equal_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 465 HRESULT not_equal2_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 466 HRESULT less_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 467 HRESULT lesseq_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 468 HRESULT greater_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 469 HRESULT greatereq_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 470 HRESULT binary_negation_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 471 HRESULT logical_negation_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 472 HRESULT left_shift_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 473 HRESULT right_shift_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 474 HRESULT right2_shift_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 475 HRESULT assign_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 476 HRESULT assign_lshift_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 477 HRESULT assign_rshift_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 478 HRESULT assign_rrshift_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 479 HRESULT assign_add_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 480 HRESULT assign_sub_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 481 HRESULT assign_mul_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 482 HRESULT assign_div_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 483 HRESULT assign_mod_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 484 HRESULT assign_and_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 485 HRESULT assign_or_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 486 HRESULT assign_xor_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);