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 heap;
  39
  40     obj_literal_t *obj_literals;
  41
  42     struct _parser_ctx_t *next;
  43 } parser_ctx_t;
  44
  45 HRESULT script_parse(script_ctx_t*,const WCHAR*,parser_ctx_t**);
  46 void parser_release(parser_ctx_t*);
  47
  48 int parser_lex(void*,parser_ctx_t*);
  49
  50 static inline void parser_addref(parser_ctx_t *ctx)
  51 {
  52     ctx->ref++;
  53 }
  54
  55 static inline void *parser_alloc(parser_ctx_t *ctx, DWORD size)
  56 {
  57     return jsheap_alloc(&ctx->heap, size);
  58 }
  59
  60 static inline void *parser_alloc_tmp(parser_ctx_t *ctx, DWORD size)
  61 {
  62     return jsheap_alloc(&ctx->script->tmp_heap, size);
  63 }
  64
  65 typedef struct _scope_chain_t {
  66     LONG ref;
  67     DispatchEx *obj;
  68     struct _scope_chain_t *next;
  69 } scope_chain_t;
  70
  71 HRESULT scope_push(scope_chain_t*,DispatchEx*,scope_chain_t**);
  72 void scope_release(scope_chain_t*);
  73
  74 static inline void scope_addref(scope_chain_t *scope)
  75 {
  76     scope->ref++;
  77 }
  78
  79 struct _exec_ctx_t {
  80     LONG ref;
  81
  82     parser_ctx_t *parser;
  83     scope_chain_t *scope_chain;
  84     DispatchEx *var_disp;
  85     IDispatch *this_obj;
  86 };
  87
  88 static inline void exec_addref(exec_ctx_t *ctx)
  89 {
  90     ctx->ref++;
  91 }
  92
  93 void exec_release(exec_ctx_t*);
  94 HRESULT create_exec_ctx(IDispatch*,DispatchEx*,scope_chain_t*,exec_ctx_t**);
  95 HRESULT exec_source(exec_ctx_t*,parser_ctx_t*,source_elements_t*,jsexcept_t*,VARIANT*);
  96
  97 typedef struct _statement_t statement_t;
  98 typedef struct _expression_t expression_t;
  99 typedef struct _parameter_t parameter_t;
 100
 101 HRESULT create_source_function(parser_ctx_t*,parameter_t*,source_elements_t*,scope_chain_t*,
 102         const WCHAR*,DWORD,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     BOOL do_while;
 166     expression_t *expr;
 167     statement_t *statement;
 168 } while_statement_t;
 169
 170 typedef struct {
 171     statement_t stat;
 172     variable_declaration_t *variable_list;
 173     expression_t *begin_expr;
 174     expression_t *expr;
 175     expression_t *end_expr;
 176     statement_t *statement;
 177 } for_statement_t;
 178
 179 typedef struct {
 180     statement_t stat;
 181     variable_declaration_t *variable;
 182     expression_t *expr;
 183     expression_t *in_expr;
 184     statement_t *statement;
 185 } forin_statement_t;
 186
 187 typedef struct {
 188     statement_t stat;
 189     const WCHAR *identifier;
 190 } branch_statement_t;
 191
 192 typedef struct {
 193     statement_t stat;
 194     expression_t *expr;
 195     statement_t *statement;
 196 } with_statement_t;
 197
 198 typedef struct {
 199     statement_t stat;
 200     const WCHAR *identifier;
 201     statement_t *statement;
 202 } labelled_statement_t;
 203
 204 typedef struct _case_clausule_t {
 205     expression_t *expr;
 206     statement_t *stat;
 207
 208     struct _case_clausule_t *next;
 209 } case_clausule_t;
 210
 211 typedef struct {
 212     statement_t stat;
 213     expression_t *expr;
 214     case_clausule_t *case_list;
 215 } switch_statement_t;
 216
 217 typedef struct {
 218     const WCHAR *identifier;
 219     statement_t *statement;
 220 } catch_block_t;
 221
 222 typedef struct {
 223     statement_t stat;
 224     statement_t *try_statement;
 225     catch_block_t *catch_block;
 226     statement_t *finally_statement;
 227 } try_statement_t;
 228
 229 HRESULT block_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 230 HRESULT var_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 231 HRESULT empty_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 232 HRESULT expression_statement_eval(exec_ctx_t*,statement_t*,return_type_t*,VARIANT*);
 233 HRESULT if_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     const WCHAR *src_str;
 282     DWORD src_len;
 283
 284     struct _function_declaration_t *next;
 285 } function_declaration_t;
 286
 287 struct _source_elements_t {
 288     statement_t *statement;
 289     statement_t *statement_tail;
 290     function_declaration_t *functions;
 291     function_declaration_t *functions_tail;
 292 };
 293
 294 typedef struct {
 295     expression_t expr;
 296     const WCHAR *identifier;
 297     parameter_t *parameter_list;
 298     source_elements_t *source_elements;
 299     const WCHAR *src_str;
 300     DWORD src_len;
 301 } function_expression_t;
 302
 303 typedef struct {
 304     expression_t expr;
 305     expression_t *expression1;
 306     expression_t *expression2;
 307 } binary_expression_t;
 308
 309 typedef struct {
 310     expression_t expr;
 311     expression_t *expression;
 312 } unary_expression_t;
 313
 314 typedef struct {
 315     expression_t expr;
 316     expression_t *expression;
 317     expression_t *true_expression;
 318     expression_t *false_expression;
 319 } conditional_expression_t;
 320
 321 typedef struct {
 322     expression_t expr;
 323     expression_t *member_expr;
 324     expression_t *expression;
 325 } array_expression_t;
 326
 327 typedef struct {
 328     expression_t expr;
 329     expression_t *expression;
 330     const WCHAR *identifier;
 331 } member_expression_t;
 332
 333 typedef struct _argument_t {
 334     expression_t *expr;
 335
 336     struct _argument_t *next;
 337 } argument_t;
 338
 339 typedef struct {
 340     expression_t expr;
 341     expression_t *expression;
 342     argument_t *argument_list;
 343 } call_expression_t;
 344
 345 typedef struct {
 346     expression_t expr;
 347     const WCHAR *identifier;
 348 } identifier_expression_t;
 349
 350 typedef struct {
 351     expression_t expr;
 352     literal_t *literal;
 353 } literal_expression_t;
 354
 355 typedef struct _array_element_t {
 356     int elision;
 357     expression_t *expr;
 358
 359     struct _array_element_t *next;
 360 } array_element_t;
 361
 362 typedef struct {
 363     expression_t expr;
 364     array_element_t *element_list;
 365     int length;
 366 } array_literal_expression_t;
 367
 368 typedef struct _prop_val_t {
 369     literal_t *name;
 370     expression_t *value;
 371
 372     struct _prop_val_t *next;
 373 } prop_val_t;
 374
 375 typedef struct {
 376     expression_t expr;
 377     prop_val_t *property_list;
 378 } property_value_expression_t;
 379
 380 typedef enum {
 381      EXPR_COMMA,
 382      EXPR_OR,
 383      EXPR_AND,
 384      EXPR_BOR,
 385      EXPR_BXOR,
 386      EXPR_BAND,
 387      EXPR_INSTANCEOF,
 388      EXPR_IN,
 389      EXPR_ADD,
 390      EXPR_SUB,
 391      EXPR_MUL,
 392      EXPR_DIV,
 393      EXPR_MOD,
 394      EXPR_DELETE,
 395      EXPR_VOID,
 396      EXPR_TYPEOF,
 397      EXPR_MINUS,
 398      EXPR_PLUS,
 399      EXPR_POSTINC,
 400      EXPR_POSTDEC,
 401      EXPR_PREINC,
 402      EXPR_PREDEC,
 403      EXPR_EQ,
 404      EXPR_EQEQ,
 405      EXPR_NOTEQ,
 406      EXPR_NOTEQEQ,
 407      EXPR_LESS,
 408      EXPR_LESSEQ,
 409      EXPR_GREATER,
 410      EXPR_GREATEREQ,
 411      EXPR_BITNEG,
 412      EXPR_LOGNEG,
 413      EXPR_LSHIFT,
 414      EXPR_RSHIFT,
 415      EXPR_RRSHIFT,
 416      EXPR_ASSIGN,
 417      EXPR_ASSIGNLSHIFT,
 418      EXPR_ASSIGNRSHIFT,
 419      EXPR_ASSIGNRRSHIFT,
 420      EXPR_ASSIGNADD,
 421      EXPR_ASSIGNSUB,
 422      EXPR_ASSIGNMUL,
 423      EXPR_ASSIGNDIV,
 424      EXPR_ASSIGNMOD,
 425      EXPR_ASSIGNAND,
 426      EXPR_ASSIGNOR,
 427      EXPR_ASSIGNXOR
 428 } expression_type_t;
 429
 430 HRESULT function_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 431 HRESULT conditional_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 432 HRESULT array_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 433 HRESULT member_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 434 HRESULT new_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 435 HRESULT call_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 436 HRESULT this_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 437 HRESULT identifier_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 438 HRESULT literal_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 439 HRESULT array_literal_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 440 HRESULT property_value_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 441
 442 HRESULT comma_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 443 HRESULT logical_or_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 444 HRESULT logical_and_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 445 HRESULT binary_or_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 446 HRESULT binary_xor_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 447 HRESULT binary_and_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 448 HRESULT instanceof_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 449 HRESULT in_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 450 HRESULT add_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 451 HRESULT sub_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 452 HRESULT mul_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 453 HRESULT div_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 454 HRESULT mod_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 455 HRESULT delete_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 456 HRESULT void_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 457 HRESULT typeof_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 458 HRESULT minus_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 459 HRESULT plus_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 460 HRESULT post_increment_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 461 HRESULT post_decrement_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 462 HRESULT pre_increment_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 463 HRESULT pre_decrement_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 464 HRESULT equal_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 465 HRESULT equal2_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 466 HRESULT not_equal_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 467 HRESULT not_equal2_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 468 HRESULT less_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 469 HRESULT lesseq_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 470 HRESULT greater_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 471 HRESULT greatereq_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 472 HRESULT binary_negation_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 473 HRESULT logical_negation_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 474 HRESULT left_shift_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 475 HRESULT right_shift_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 476 HRESULT right2_shift_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 477 HRESULT assign_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 478 HRESULT assign_lshift_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 479 HRESULT assign_rshift_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 480 HRESULT assign_rrshift_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 481 HRESULT assign_add_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 482 HRESULT assign_sub_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 483 HRESULT assign_mul_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 484 HRESULT assign_div_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 485 HRESULT assign_mod_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 486 HRESULT assign_and_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 487 HRESULT assign_or_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);
 488 HRESULT assign_xor_expression_eval(exec_ctx_t*,expression_t*,DWORD,jsexcept_t*,exprval_t*);