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