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