rubyparser.h

   1 #ifndef RUBY_RUBYPARSER_H
   2 #define RUBY_RUBYPARSER_H 1
   3 /*
   4  * This is a header file for librubyparser interface
   5  */
   6
   7 #include <stdarg.h> /* for va_list */
   8 #include <assert.h>
   9
  10 #ifdef UNIVERSAL_PARSER
  11
  12 #define rb_encoding const void
  13 #define OnigCodePoint unsigned int
  14 #include "parser_st.h"
  15 #ifndef RUBY_RUBY_H
  16 #include "parser_value.h"
  17 #endif
  18
  19 #else
  20
  21 #include "ruby/encoding.h"
  22
  23 #endif
  24
  25 #ifndef FLEX_ARY_LEN
  26 /* From internal/compilers.h */
  27 /* A macro for defining a flexible array, like: VALUE ary[FLEX_ARY_LEN]; */
  28 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
  29 # define FLEX_ARY_LEN   /* VALUE ary[]; */
  30 #elif defined(__GNUC__) && !defined(__STRICT_ANSI__)
  31 # define FLEX_ARY_LEN 0 /* VALUE ary[0]; */
  32 #else
  33 # define FLEX_ARY_LEN 1 /* VALUE ary[1]; */
  34 #endif
  35 #endif
  36
  37 #if defined(__GNUC__)
  38 # if defined(__MINGW_PRINTF_FORMAT)
  39 #   define RUBYPARSER_ATTRIBUTE_FORMAT(string_index, argument_index) __attribute__((format(__MINGW_PRINTF_FORMAT, string_index, argument_index)))
  40 # else
  41 #   define RUBYPARSER_ATTRIBUTE_FORMAT(string_index, argument_index) __attribute__((format(printf, string_index, argument_index)))
  42 # endif
  43 #elif defined(__clang__)
  44 # define RUBYPARSER_ATTRIBUTE_FORMAT(string_index, argument_index) __attribute__((__format__(__printf__, string_index, argument_index)))
  45 #else
  46 # define RUBYPARSER_ATTRIBUTE_FORMAT(string_index, argument_index)
  47 #endif
  48
  49 /*
  50  * Parser String
  51  */
  52 enum rb_parser_string_coderange_type {
  53     /** The object's coderange is unclear yet. */
  54     RB_PARSER_ENC_CODERANGE_UNKNOWN  = 0,
  55     RB_PARSER_ENC_CODERANGE_7BIT     = 1,
  56     RB_PARSER_ENC_CODERANGE_VALID    = 2,
  57     RB_PARSER_ENC_CODERANGE_BROKEN   = 3
  58 };
  59
  60 typedef struct rb_parser_string {
  61     enum rb_parser_string_coderange_type coderange;
  62     rb_encoding *enc;
  63     /* Length of the string, not including terminating NUL character. */
  64     long len;
  65     /* Pointer to the contents of the string. */
  66     char *ptr;
  67 } rb_parser_string_t;
  68
  69 enum rb_parser_shareability {
  70     rb_parser_shareable_none,
  71     rb_parser_shareable_literal,
  72     rb_parser_shareable_copy,
  73     rb_parser_shareable_everything,
  74 };
  75
  76 typedef void* rb_parser_input_data;
  77
  78 /*
  79  * AST Node
  80  */
  81 enum node_type {
  82     NODE_SCOPE,
  83     NODE_BLOCK,
  84     NODE_IF,
  85     NODE_UNLESS,
  86     NODE_CASE,
  87     NODE_CASE2,
  88     NODE_CASE3,
  89     NODE_WHEN,
  90     NODE_IN,
  91     NODE_WHILE,
  92     NODE_UNTIL,
  93     NODE_ITER,
  94     NODE_FOR,
  95     NODE_FOR_MASGN,
  96     NODE_BREAK,
  97     NODE_NEXT,
  98     NODE_REDO,
  99     NODE_RETRY,
 100     NODE_BEGIN,
 101     NODE_RESCUE,
 102     NODE_RESBODY,
 103     NODE_ENSURE,
 104     NODE_AND,
 105     NODE_OR,
 106     NODE_MASGN,
 107     NODE_LASGN,
 108     NODE_DASGN,
 109     NODE_GASGN,
 110     NODE_IASGN,
 111     NODE_CDECL,
 112     NODE_CVASGN,
 113     NODE_OP_ASGN1,
 114     NODE_OP_ASGN2,
 115     NODE_OP_ASGN_AND,
 116     NODE_OP_ASGN_OR,
 117     NODE_OP_CDECL,
 118     NODE_CALL,
 119     NODE_OPCALL,
 120     NODE_FCALL,
 121     NODE_VCALL,
 122     NODE_QCALL,
 123     NODE_SUPER,
 124     NODE_ZSUPER,
 125     NODE_LIST,
 126     NODE_ZLIST,
 127     NODE_HASH,
 128     NODE_RETURN,
 129     NODE_YIELD,
 130     NODE_LVAR,
 131     NODE_DVAR,
 132     NODE_GVAR,
 133     NODE_IVAR,
 134     NODE_CONST,
 135     NODE_CVAR,
 136     NODE_NTH_REF,
 137     NODE_BACK_REF,
 138     NODE_MATCH,
 139     NODE_MATCH2,
 140     NODE_MATCH3,
 141     NODE_INTEGER,
 142     NODE_FLOAT,
 143     NODE_RATIONAL,
 144     NODE_IMAGINARY,
 145     NODE_STR,
 146     NODE_DSTR,
 147     NODE_XSTR,
 148     NODE_DXSTR,
 149     NODE_EVSTR,
 150     NODE_REGX,
 151     NODE_DREGX,
 152     NODE_ONCE,
 153     NODE_ARGS,
 154     NODE_ARGS_AUX,
 155     NODE_OPT_ARG,
 156     NODE_KW_ARG,
 157     NODE_POSTARG,
 158     NODE_ARGSCAT,
 159     NODE_ARGSPUSH,
 160     NODE_SPLAT,
 161     NODE_BLOCK_PASS,
 162     NODE_DEFN,
 163     NODE_DEFS,
 164     NODE_ALIAS,
 165     NODE_VALIAS,
 166     NODE_UNDEF,
 167     NODE_CLASS,
 168     NODE_MODULE,
 169     NODE_SCLASS,
 170     NODE_COLON2,
 171     NODE_COLON3,
 172     NODE_DOT2,
 173     NODE_DOT3,
 174     NODE_FLIP2,
 175     NODE_FLIP3,
 176     NODE_SELF,
 177     NODE_NIL,
 178     NODE_TRUE,
 179     NODE_FALSE,
 180     NODE_ERRINFO,
 181     NODE_DEFINED,
 182     NODE_POSTEXE,
 183     NODE_SYM,
 184     NODE_DSYM,
 185     NODE_ATTRASGN,
 186     NODE_LAMBDA,
 187     NODE_ARYPTN,
 188     NODE_HSHPTN,
 189     NODE_FNDPTN,
 190     NODE_ERROR,
 191     NODE_LINE,
 192     NODE_FILE,
 193     NODE_ENCODING,
 194     NODE_LAST
 195 };
 196
 197 typedef struct rb_ast_id_table {
 198     int size;
 199     ID ids[FLEX_ARY_LEN];
 200 } rb_ast_id_table_t;
 201
 202 typedef struct rb_code_position_struct {
 203     int lineno;
 204     int column;
 205 } rb_code_position_t;
 206
 207 typedef struct rb_code_location_struct {
 208     rb_code_position_t beg_pos;
 209     rb_code_position_t end_pos;
 210 } rb_code_location_t;
 211 #define YYLTYPE rb_code_location_t
 212 #define YYLTYPE_IS_DECLARED 1
 213
 214 typedef struct rb_parser_ast_token {
 215     int id;
 216     const char *type_name;
 217     rb_parser_string_t *str;
 218     rb_code_location_t loc;
 219 } rb_parser_ast_token_t;
 220
 221 /*
 222  * Array-like object for parser
 223  */
 224 typedef void* rb_parser_ary_data;
 225
 226 enum rb_parser_ary_data_type {
 227     PARSER_ARY_DATA_AST_TOKEN,
 228     PARSER_ARY_DATA_SCRIPT_LINE
 229 };
 230
 231 typedef struct rb_parser_ary {
 232     enum rb_parser_ary_data_type data_type;
 233     rb_parser_ary_data *data;
 234     long len;  // current size
 235     long capa; // capacity
 236 } rb_parser_ary_t;
 237
 238 /* Header part of AST Node */
 239 typedef struct RNode {
 240     VALUE flags;
 241     rb_code_location_t nd_loc;
 242     int node_id;
 243 } NODE;
 244
 245 typedef struct RNode_SCOPE {
 246     NODE node;
 247
 248     rb_ast_id_table_t *nd_tbl;
 249     struct RNode *nd_body;
 250     struct RNode_ARGS *nd_args;
 251 } rb_node_scope_t;
 252
 253 typedef struct RNode_BLOCK {
 254     NODE node;
 255
 256     struct RNode *nd_head;
 257     struct RNode *nd_end;
 258     struct RNode *nd_next;
 259 } rb_node_block_t;
 260
 261 typedef struct RNode_IF {
 262     NODE node;
 263
 264     struct RNode *nd_cond;
 265     struct RNode *nd_body;
 266     struct RNode *nd_else;
 267 } rb_node_if_t;
 268
 269 typedef struct RNode_UNLESS {
 270     NODE node;
 271
 272     struct RNode *nd_cond;
 273     struct RNode *nd_body;
 274     struct RNode *nd_else;
 275 } rb_node_unless_t;
 276
 277 typedef struct RNode_CASE {
 278     NODE node;
 279
 280     struct RNode *nd_head;
 281     struct RNode *nd_body;
 282 } rb_node_case_t;
 283
 284 typedef struct RNode_CASE2 {
 285     NODE node;
 286
 287     struct RNode *nd_head;
 288     struct RNode *nd_body;
 289 } rb_node_case2_t;
 290
 291 typedef struct RNode_CASE3 {
 292     NODE node;
 293
 294     struct RNode *nd_head;
 295     struct RNode *nd_body;
 296 } rb_node_case3_t;
 297
 298 typedef struct RNode_WHEN {
 299     NODE node;
 300
 301     struct RNode *nd_head;
 302     struct RNode *nd_body;
 303     struct RNode *nd_next;
 304 } rb_node_when_t;
 305
 306 typedef struct RNode_IN {
 307     NODE node;
 308
 309     struct RNode *nd_head;
 310     struct RNode *nd_body;
 311     struct RNode *nd_next;
 312 } rb_node_in_t;
 313
 314 /* RNode_WHILE and RNode_UNTIL should be same structure */
 315 typedef struct RNode_WHILE {
 316     NODE node;
 317
 318     struct RNode *nd_cond;
 319     struct RNode *nd_body;
 320     long nd_state;
 321 } rb_node_while_t;
 322
 323 typedef struct RNode_UNTIL {
 324     NODE node;
 325
 326     struct RNode *nd_cond;
 327     struct RNode *nd_body;
 328     long nd_state;
 329 } rb_node_until_t;
 330
 331 /* RNode_ITER and RNode_FOR should be same structure */
 332 typedef struct RNode_ITER {
 333     NODE node;
 334
 335     struct RNode *nd_body;
 336     struct RNode *nd_iter;
 337 } rb_node_iter_t;
 338
 339 typedef struct RNode_FOR {
 340     NODE node;
 341
 342     struct RNode *nd_body;
 343     struct RNode *nd_iter;
 344 } rb_node_for_t;
 345
 346 typedef struct RNode_FOR_MASGN {
 347     NODE node;
 348
 349     struct RNode *nd_var;
 350 } rb_node_for_masgn_t;
 351
 352 /* RNode_BREAK, RNode_NEXT and RNode_REDO should be same structure */
 353 typedef struct RNode_BREAK {
 354     NODE node;
 355
 356     struct RNode *nd_chain;
 357     struct RNode *nd_stts;
 358 } rb_node_break_t;
 359
 360 typedef struct RNode_NEXT {
 361     NODE node;
 362
 363     struct RNode *nd_chain;
 364     struct RNode *nd_stts;
 365 } rb_node_next_t;
 366
 367 typedef struct RNode_REDO {
 368     NODE node;
 369
 370     struct RNode *nd_chain;
 371 } rb_node_redo_t;
 372
 373 typedef struct RNode_RETRY {
 374     NODE node;
 375 } rb_node_retry_t;
 376
 377 typedef struct RNode_BEGIN {
 378     NODE node;
 379
 380     struct RNode *nd_body;
 381 } rb_node_begin_t;
 382
 383 typedef struct RNode_RESCUE {
 384     NODE node;
 385
 386     struct RNode *nd_head;
 387     struct RNode *nd_resq;
 388     struct RNode *nd_else;
 389 } rb_node_rescue_t;
 390
 391 typedef struct RNode_RESBODY {
 392     NODE node;
 393
 394     struct RNode *nd_args;
 395     struct RNode *nd_body;
 396     struct RNode *nd_next;
 397 } rb_node_resbody_t;
 398
 399 typedef struct RNode_ENSURE {
 400     NODE node;
 401
 402     struct RNode *nd_head;
 403     struct RNode *nd_ensr;
 404 } rb_node_ensure_t;
 405
 406 /* RNode_AND and RNode_OR should be same structure */
 407 typedef struct RNode_AND {
 408     NODE node;
 409
 410     struct RNode *nd_1st;
 411     struct RNode *nd_2nd;
 412 } rb_node_and_t;
 413
 414 typedef struct RNode_OR {
 415     NODE node;
 416
 417     struct RNode *nd_1st;
 418     struct RNode *nd_2nd;
 419 } rb_node_or_t;
 420
 421 typedef struct RNode_MASGN {
 422     NODE node;
 423
 424     struct RNode *nd_head;
 425     struct RNode *nd_value;
 426     struct RNode *nd_args;
 427 } rb_node_masgn_t;
 428
 429 typedef struct RNode_LASGN {
 430     NODE node;
 431
 432     ID nd_vid;
 433     struct RNode *nd_value;
 434 } rb_node_lasgn_t;
 435
 436 typedef struct RNode_DASGN {
 437     NODE node;
 438
 439     ID nd_vid;
 440     struct RNode *nd_value;
 441 } rb_node_dasgn_t;
 442
 443 typedef struct RNode_GASGN {
 444     NODE node;
 445
 446     ID nd_vid;
 447     struct RNode *nd_value;
 448 } rb_node_gasgn_t;
 449
 450 typedef struct RNode_IASGN {
 451     NODE node;
 452
 453     ID nd_vid;
 454     struct RNode *nd_value;
 455 } rb_node_iasgn_t;
 456
 457 typedef struct RNode_CDECL {
 458     NODE node;
 459
 460     ID nd_vid;
 461     struct RNode *nd_value;
 462     struct RNode *nd_else;
 463     enum rb_parser_shareability shareability;
 464 } rb_node_cdecl_t;
 465
 466 typedef struct RNode_CVASGN {
 467     NODE node;
 468
 469     ID nd_vid;
 470     struct RNode *nd_value;
 471 } rb_node_cvasgn_t;
 472
 473 typedef struct RNode_OP_ASGN1 {
 474     NODE node;
 475
 476     struct RNode *nd_recv;
 477     ID nd_mid;
 478     struct RNode *nd_index;
 479     struct RNode *nd_rvalue;
 480 } rb_node_op_asgn1_t;
 481
 482 typedef struct RNode_OP_ASGN2 {
 483     NODE node;
 484
 485     struct RNode *nd_recv;
 486     struct RNode *nd_value;
 487     ID nd_vid;
 488     ID nd_mid;
 489     bool nd_aid;
 490 } rb_node_op_asgn2_t;
 491
 492 typedef struct RNode_OP_ASGN_AND {
 493     NODE node;
 494
 495     struct RNode *nd_head;
 496     struct RNode *nd_value;
 497 } rb_node_op_asgn_and_t;
 498
 499 typedef struct RNode_OP_ASGN_OR {
 500     NODE node;
 501
 502     struct RNode *nd_head;
 503     struct RNode *nd_value;
 504 } rb_node_op_asgn_or_t;
 505
 506 typedef struct RNode_OP_CDECL {
 507     NODE node;
 508
 509     struct RNode *nd_head;
 510     struct RNode *nd_value;
 511     ID nd_aid;
 512     enum rb_parser_shareability shareability;
 513 } rb_node_op_cdecl_t;
 514
 515 typedef struct RNode_CALL {
 516     NODE node;
 517
 518     struct RNode *nd_recv;
 519     ID nd_mid;
 520     struct RNode *nd_args;
 521 } rb_node_call_t;
 522
 523 typedef struct RNode_OPCALL {
 524     NODE node;
 525
 526     struct RNode *nd_recv;
 527     ID nd_mid;
 528     struct RNode *nd_args;
 529 } rb_node_opcall_t;
 530
 531 typedef struct RNode_FCALL {
 532     NODE node;
 533
 534     ID nd_mid;
 535     struct RNode *nd_args;
 536 } rb_node_fcall_t;
 537
 538 typedef struct RNode_VCALL {
 539     NODE node;
 540
 541     ID nd_mid;
 542 } rb_node_vcall_t;
 543
 544 typedef struct RNode_QCALL {
 545     NODE node;
 546
 547     struct RNode *nd_recv;
 548     ID nd_mid;
 549     struct RNode *nd_args;
 550 } rb_node_qcall_t;
 551
 552 typedef struct RNode_SUPER {
 553     NODE node;
 554
 555     struct RNode *nd_args;
 556 } rb_node_super_t;
 557
 558 typedef struct RNode_ZSUPER {
 559     NODE node;
 560 } rb_node_zsuper_t;
 561
 562 /*
 563
 564   Structure of LIST:
 565
 566   LIST                     +--> LIST
 567    * head --> element      |     * head
 568    * alen (length of list) |     * nd_end (point to the last LIST)
 569    * next -----------------+     * next
 570
 571
 572   RNode_LIST and RNode_VALUES should be same structure
 573 */
 574 typedef struct RNode_LIST {
 575     NODE node;
 576
 577     struct RNode *nd_head; /* element */
 578     union {
 579         long nd_alen;
 580         struct RNode *nd_end; /* Second list node has this structure */
 581     } as;
 582     struct RNode *nd_next; /* next list node */
 583 } rb_node_list_t;
 584
 585 typedef struct RNode_ZLIST {
 586     NODE node;
 587 } rb_node_zlist_t;
 588
 589 typedef struct RNode_VALUES {
 590     NODE node;
 591
 592     struct RNode *nd_head;
 593     long nd_alen;
 594     struct RNode *nd_next;
 595 } rb_node_values_t;
 596
 597 typedef struct RNode_HASH {
 598     NODE node;
 599
 600     struct RNode *nd_head;
 601     long nd_brace;
 602 } rb_node_hash_t;
 603
 604 typedef struct RNode_RETURN {
 605     NODE node;
 606
 607     struct RNode *nd_stts;
 608 } rb_node_return_t;
 609
 610 typedef struct RNode_YIELD {
 611     NODE node;
 612
 613     struct RNode *nd_head;
 614 } rb_node_yield_t;
 615
 616 typedef struct RNode_LVAR {
 617     NODE node;
 618
 619     ID nd_vid;
 620 } rb_node_lvar_t;
 621
 622 typedef struct RNode_DVAR {
 623     NODE node;
 624
 625     ID nd_vid;
 626 } rb_node_dvar_t;
 627
 628 typedef struct RNode_GVAR {
 629     NODE node;
 630
 631     ID nd_vid;
 632 } rb_node_gvar_t;
 633
 634 typedef struct RNode_IVAR {
 635     NODE node;
 636
 637     ID nd_vid;
 638 } rb_node_ivar_t;
 639
 640 typedef struct RNode_CONST {
 641     NODE node;
 642
 643     ID nd_vid;
 644 } rb_node_const_t;
 645
 646 typedef struct RNode_CVAR {
 647     NODE node;
 648
 649     ID nd_vid;
 650 } rb_node_cvar_t;
 651
 652 typedef struct RNode_NTH_REF {
 653     NODE node;
 654
 655     long nd_nth;
 656 } rb_node_nth_ref_t;
 657
 658 typedef struct RNode_BACK_REF {
 659     NODE node;
 660
 661     long nd_nth;
 662 } rb_node_back_ref_t;
 663
 664 /* RNode_MATCH and RNode_REGX should be same structure */
 665 typedef struct RNode_MATCH {
 666     NODE node;
 667
 668     struct rb_parser_string *string;
 669     int options;
 670 } rb_node_match_t;
 671
 672 typedef struct RNode_MATCH2 {
 673     NODE node;
 674
 675     struct RNode *nd_recv;
 676     struct RNode *nd_value;
 677     struct RNode *nd_args;
 678 } rb_node_match2_t;
 679
 680 typedef struct RNode_MATCH3 {
 681     NODE node;
 682
 683     struct RNode *nd_recv;
 684     struct RNode *nd_value;
 685 } rb_node_match3_t;
 686
 687 typedef struct RNode_INTEGER {
 688     NODE node;
 689
 690     char *val;
 691     int minus;
 692     int base;
 693 } rb_node_integer_t;
 694
 695 typedef struct RNode_FLOAT {
 696     NODE node;
 697
 698     char *val;
 699     int minus;
 700 } rb_node_float_t;
 701
 702 typedef struct RNode_RATIONAL {
 703     NODE node;
 704
 705     char *val;
 706     int minus;
 707     int base;
 708     int seen_point;
 709 } rb_node_rational_t;
 710
 711 enum rb_numeric_type {
 712     integer_literal,
 713     float_literal,
 714     rational_literal
 715 };
 716
 717 typedef struct RNode_IMAGINARY {
 718     NODE node;
 719
 720     char *val;
 721     int minus;
 722     int base;
 723     int seen_point;
 724     enum rb_numeric_type type;
 725 } rb_node_imaginary_t;
 726
 727 /* RNode_STR and RNode_XSTR should be same structure */
 728 typedef struct RNode_STR {
 729     NODE node;
 730
 731     struct rb_parser_string *string;
 732 } rb_node_str_t;
 733
 734 /* RNode_DSTR, RNode_DXSTR, RNode_DREGX and RNode_DSYM should be same structure */
 735 typedef struct RNode_DSTR {
 736     NODE node;
 737
 738     struct rb_parser_string *string;
 739     union {
 740         long nd_alen;
 741         long nd_cflag;
 742         struct RNode *nd_end; /* Second dstr node has this structure. See also RNode_LIST */
 743     } as;
 744     struct RNode_LIST *nd_next;
 745 } rb_node_dstr_t;
 746
 747 typedef rb_node_str_t rb_node_xstr_t;
 748
 749 typedef rb_node_dstr_t rb_node_dxstr_t;
 750
 751 typedef struct RNode_EVSTR {
 752     NODE node;
 753
 754     struct RNode *nd_body;
 755 } rb_node_evstr_t;
 756
 757 typedef struct RNode_REGX {
 758     NODE node;
 759
 760     struct rb_parser_string *string;
 761     int options;
 762 } rb_node_regx_t;
 763
 764 typedef rb_node_dstr_t rb_node_dregx_t;
 765
 766 typedef struct RNode_ONCE {
 767     NODE node;
 768
 769     struct RNode *nd_body;
 770 } rb_node_once_t;
 771
 772 struct rb_args_info {
 773     NODE *pre_init;
 774     NODE *post_init;
 775
 776     int pre_args_num;  /* count of mandatory pre-arguments */
 777     int post_args_num; /* count of mandatory post-arguments */
 778
 779     ID first_post_arg;
 780
 781     ID rest_arg;
 782     ID block_arg;
 783
 784     struct RNode_KW_ARG *kw_args;
 785     NODE *kw_rest_arg;
 786
 787     struct RNode_OPT_ARG *opt_args;
 788     unsigned int no_kwarg: 1;
 789     unsigned int ruby2_keywords: 1;
 790     unsigned int forwarding: 1;
 791 };
 792
 793 typedef struct RNode_ARGS {
 794     NODE node;
 795
 796     struct rb_args_info nd_ainfo;
 797 } rb_node_args_t;
 798
 799 typedef struct RNode_ARGS_AUX {
 800     NODE node;
 801
 802     ID nd_pid;
 803     int nd_plen;
 804     struct RNode *nd_next;
 805 } rb_node_args_aux_t;
 806
 807 typedef struct RNode_OPT_ARG {
 808     NODE node;
 809
 810     struct RNode *nd_body;
 811     struct RNode_OPT_ARG *nd_next;
 812 } rb_node_opt_arg_t;
 813
 814 typedef struct RNode_KW_ARG {
 815     NODE node;
 816
 817     struct RNode *nd_body;
 818     struct RNode_KW_ARG *nd_next;
 819 } rb_node_kw_arg_t;
 820
 821 typedef struct RNode_POSTARG {
 822     NODE node;
 823
 824     struct RNode *nd_1st;
 825     struct RNode *nd_2nd;
 826 } rb_node_postarg_t;
 827
 828 typedef struct RNode_ARGSCAT {
 829     NODE node;
 830
 831     struct RNode *nd_head;
 832     struct RNode *nd_body;
 833 } rb_node_argscat_t;
 834
 835 typedef struct RNode_ARGSPUSH {
 836     NODE node;
 837
 838     struct RNode *nd_head;
 839     struct RNode *nd_body;
 840 } rb_node_argspush_t;
 841
 842 typedef struct RNode_SPLAT {
 843     NODE node;
 844
 845     struct RNode *nd_head;
 846 } rb_node_splat_t;
 847
 848 typedef struct RNode_BLOCK_PASS {
 849     NODE node;
 850
 851     struct RNode *nd_head;
 852     struct RNode *nd_body;
 853 } rb_node_block_pass_t;
 854
 855 typedef struct RNode_DEFN {
 856     NODE node;
 857
 858     ID nd_mid;
 859     struct RNode *nd_defn;
 860 } rb_node_defn_t;
 861
 862 typedef struct RNode_DEFS {
 863     NODE node;
 864
 865     struct RNode *nd_recv;
 866     ID nd_mid;
 867     struct RNode *nd_defn;
 868 } rb_node_defs_t;
 869
 870 typedef struct RNode_ALIAS {
 871     NODE node;
 872
 873     struct RNode *nd_1st;
 874     struct RNode *nd_2nd;
 875 } rb_node_alias_t;
 876
 877 typedef struct RNode_VALIAS {
 878     NODE node;
 879
 880     ID nd_alias;
 881     ID nd_orig;
 882 } rb_node_valias_t;
 883
 884 typedef struct RNode_UNDEF {
 885     NODE node;
 886
 887     struct RNode *nd_undef;
 888 } rb_node_undef_t;
 889
 890 typedef struct RNode_CLASS {
 891     NODE node;
 892
 893     struct RNode *nd_cpath;
 894     struct RNode *nd_body;
 895     struct RNode *nd_super;
 896 } rb_node_class_t;
 897
 898 typedef struct RNode_MODULE {
 899     NODE node;
 900
 901     struct RNode *nd_cpath;
 902     struct RNode *nd_body;
 903 } rb_node_module_t;
 904
 905 typedef struct RNode_SCLASS {
 906     NODE node;
 907
 908     struct RNode *nd_recv;
 909     struct RNode *nd_body;
 910 } rb_node_sclass_t;
 911
 912 typedef struct RNode_COLON2 {
 913     NODE node;
 914
 915     struct RNode *nd_head;
 916     ID nd_mid;
 917 } rb_node_colon2_t;
 918
 919 typedef struct RNode_COLON3 {
 920     NODE node;
 921
 922     ID nd_mid;
 923 } rb_node_colon3_t;
 924
 925 /* RNode_DOT2, RNode_DOT3, RNode_FLIP2 and RNode_FLIP3 should be same structure */
 926 typedef struct RNode_DOT2 {
 927     NODE node;
 928
 929     struct RNode *nd_beg;
 930     struct RNode *nd_end;
 931 } rb_node_dot2_t;
 932
 933 typedef struct RNode_DOT3 {
 934     NODE node;
 935
 936     struct RNode *nd_beg;
 937     struct RNode *nd_end;
 938 } rb_node_dot3_t;
 939
 940 typedef rb_node_dot2_t rb_node_flip2_t;
 941 typedef rb_node_dot3_t rb_node_flip3_t;
 942
 943 typedef struct RNode_SELF {
 944     NODE node;
 945
 946     long nd_state; /* Default 1. See NEW_SELF. */
 947 } rb_node_self_t;
 948
 949 typedef struct RNode_NIL {
 950     NODE node;
 951 } rb_node_nil_t;
 952
 953 typedef struct RNode_TRUE {
 954     NODE node;
 955 } rb_node_true_t;
 956
 957 typedef struct RNode_FALSE {
 958     NODE node;
 959 } rb_node_false_t;
 960
 961 typedef struct RNode_ERRINFO {
 962     NODE node;
 963 } rb_node_errinfo_t;
 964
 965 typedef struct RNode_DEFINED {
 966     NODE node;
 967
 968     struct RNode *nd_head;
 969 } rb_node_defined_t;
 970
 971 typedef struct RNode_POSTEXE {
 972     NODE node;
 973
 974     struct RNode *nd_body;
 975 } rb_node_postexe_t;
 976
 977 typedef struct RNode_SYM {
 978     NODE node;
 979
 980     struct rb_parser_string *string;
 981 } rb_node_sym_t;
 982
 983 typedef rb_node_dstr_t rb_node_dsym_t;
 984
 985 typedef struct RNode_ATTRASGN {
 986     NODE node;
 987
 988     struct RNode *nd_recv;
 989     ID nd_mid;
 990     struct RNode *nd_args;
 991 } rb_node_attrasgn_t;
 992
 993 typedef struct RNode_LAMBDA {
 994     NODE node;
 995
 996     struct RNode *nd_body;
 997 } rb_node_lambda_t;
 998
 999 typedef struct RNode_ARYPTN {
1000     NODE node;
1001
1002     struct RNode *nd_pconst;
1003     NODE *pre_args;
1004     NODE *rest_arg;
1005     NODE *post_args;
1006 } rb_node_aryptn_t;
1007
1008 typedef struct RNode_HSHPTN {
1009     NODE node;
1010
1011     struct RNode *nd_pconst;
1012     struct RNode *nd_pkwargs;
1013     struct RNode *nd_pkwrestarg;
1014 } rb_node_hshptn_t;
1015
1016 typedef struct RNode_FNDPTN {
1017     NODE node;
1018
1019     struct RNode *nd_pconst;
1020     NODE *pre_rest_arg;
1021     NODE *args;
1022     NODE *post_rest_arg;
1023 } rb_node_fndptn_t;
1024
1025 typedef struct RNode_LINE {
1026     NODE node;
1027 } rb_node_line_t;
1028
1029 typedef struct RNode_FILE {
1030     NODE node;
1031
1032     struct rb_parser_string *path;
1033 } rb_node_file_t;
1034
1035 typedef struct RNode_ENCODING {
1036     NODE node;
1037     rb_encoding *enc;
1038 } rb_node_encoding_t;
1039
1040 typedef struct RNode_ERROR {
1041     NODE node;
1042 } rb_node_error_t;
1043
1044 #define RNODE(obj)  ((NODE *)(obj))
1045
1046 #define RNODE_SCOPE(node) ((rb_node_scope_t *)(node))
1047 #define RNODE_BLOCK(node) ((rb_node_block_t *)(node))
1048 #define RNODE_IF(node) ((rb_node_if_t *)(node))
1049 #define RNODE_UNLESS(node) ((rb_node_unless_t *)(node))
1050 #define RNODE_CASE(node) ((rb_node_case_t *)(node))
1051 #define RNODE_CASE2(node) ((rb_node_case2_t *)(node))
1052 #define RNODE_CASE3(node) ((rb_node_case3_t *)(node))
1053 #define RNODE_WHEN(node) ((rb_node_when_t *)(node))
1054 #define RNODE_IN(node) ((rb_node_in_t *)(node))
1055 #define RNODE_WHILE(node) ((rb_node_while_t *)(node))
1056 #define RNODE_UNTIL(node) ((rb_node_until_t *)(node))
1057 #define RNODE_ITER(node) ((rb_node_iter_t *)(node))
1058 #define RNODE_FOR(node) ((rb_node_for_t *)(node))
1059 #define RNODE_FOR_MASGN(node) ((rb_node_for_masgn_t *)(node))
1060 #define RNODE_BREAK(node) ((rb_node_break_t *)(node))
1061 #define RNODE_NEXT(node) ((rb_node_next_t *)(node))
1062 #define RNODE_REDO(node) ((rb_node_redo_t *)(node))
1063 #define RNODE_RETRY(node) ((rb_node_retry_t *)(node))
1064 #define RNODE_BEGIN(node) ((rb_node_begin_t *)(node))
1065 #define RNODE_RESCUE(node) ((rb_node_rescue_t *)(node))
1066 #define RNODE_RESBODY(node) ((rb_node_resbody_t *)(node))
1067 #define RNODE_ENSURE(node) ((rb_node_ensure_t *)(node))
1068 #define RNODE_AND(node) ((rb_node_and_t *)(node))
1069 #define RNODE_OR(node) ((rb_node_or_t *)(node))
1070 #define RNODE_MASGN(node) ((rb_node_masgn_t *)(node))
1071 #define RNODE_LASGN(node) ((rb_node_lasgn_t *)(node))
1072 #define RNODE_DASGN(node) ((rb_node_dasgn_t *)(node))
1073 #define RNODE_GASGN(node) ((rb_node_gasgn_t *)(node))
1074 #define RNODE_IASGN(node) ((rb_node_iasgn_t *)(node))
1075 #define RNODE_CDECL(node) ((rb_node_cdecl_t *)(node))
1076 #define RNODE_CVASGN(node) ((rb_node_cvasgn_t *)(node))
1077 #define RNODE_OP_ASGN1(node) ((rb_node_op_asgn1_t *)(node))
1078 #define RNODE_OP_ASGN2(node) ((rb_node_op_asgn2_t *)(node))
1079 #define RNODE_OP_ASGN_AND(node) ((rb_node_op_asgn_and_t *)(node))
1080 #define RNODE_OP_ASGN_OR(node) ((rb_node_op_asgn_or_t *)(node))
1081 #define RNODE_OP_CDECL(node) ((rb_node_op_cdecl_t *)(node))
1082 #define RNODE_CALL(node) ((rb_node_call_t *)(node))
1083 #define RNODE_OPCALL(node) ((rb_node_opcall_t *)(node))
1084 #define RNODE_FCALL(node) ((rb_node_fcall_t *)(node))
1085 #define RNODE_VCALL(node) ((rb_node_vcall_t *)(node))
1086 #define RNODE_QCALL(node) ((rb_node_qcall_t *)(node))
1087 #define RNODE_SUPER(node) ((rb_node_super_t *)(node))
1088 #define RNODE_ZSUPER(node) ((rb_node_zsuper_t *)(node))
1089 #define RNODE_LIST(node) ((rb_node_list_t *)(node))
1090 #define RNODE_ZLIST(node) ((rb_node_zlist_t *)(node))
1091 #define RNODE_HASH(node) ((rb_node_hash_t *)(node))
1092 #define RNODE_RETURN(node) ((rb_node_return_t *)(node))
1093 #define RNODE_YIELD(node) ((rb_node_yield_t *)(node))
1094 #define RNODE_LVAR(node) ((rb_node_lvar_t *)(node))
1095 #define RNODE_DVAR(node) ((rb_node_dvar_t *)(node))
1096 #define RNODE_GVAR(node) ((rb_node_gvar_t *)(node))
1097 #define RNODE_IVAR(node) ((rb_node_ivar_t *)(node))
1098 #define RNODE_CONST(node) ((rb_node_const_t *)(node))
1099 #define RNODE_CVAR(node) ((rb_node_cvar_t *)(node))
1100 #define RNODE_NTH_REF(node) ((rb_node_nth_ref_t *)(node))
1101 #define RNODE_BACK_REF(node) ((rb_node_back_ref_t *)(node))
1102 #define RNODE_MATCH(node) ((rb_node_match_t *)(node))
1103 #define RNODE_MATCH2(node) ((rb_node_match2_t *)(node))
1104 #define RNODE_MATCH3(node) ((rb_node_match3_t *)(node))
1105 #define RNODE_INTEGER(node) ((rb_node_integer_t *)(node))
1106 #define RNODE_FLOAT(node) ((rb_node_float_t *)(node))
1107 #define RNODE_RATIONAL(node) ((rb_node_rational_t *)(node))
1108 #define RNODE_IMAGINARY(node) ((rb_node_imaginary_t *)(node))
1109 #define RNODE_STR(node) ((rb_node_str_t *)(node))
1110 #define RNODE_DSTR(node) ((rb_node_dstr_t *)(node))
1111 #define RNODE_XSTR(node) ((rb_node_xstr_t *)(node))
1112 #define RNODE_DXSTR(node) ((rb_node_dxstr_t *)(node))
1113 #define RNODE_EVSTR(node) ((rb_node_evstr_t *)(node))
1114 #define RNODE_REGX(node) ((rb_node_regx_t *)(node))
1115 #define RNODE_DREGX(node) ((rb_node_dregx_t *)(node))
1116 #define RNODE_ONCE(node) ((rb_node_once_t *)(node))
1117 #define RNODE_ARGS(node) ((rb_node_args_t *)(node))
1118 #define RNODE_ARGS_AUX(node) ((rb_node_args_aux_t *)(node))
1119 #define RNODE_OPT_ARG(node) ((rb_node_opt_arg_t *)(node))
1120 #define RNODE_KW_ARG(node) ((rb_node_kw_arg_t *)(node))
1121 #define RNODE_POSTARG(node) ((rb_node_postarg_t *)(node))
1122 #define RNODE_ARGSCAT(node) ((rb_node_argscat_t *)(node))
1123 #define RNODE_ARGSPUSH(node) ((rb_node_argspush_t *)(node))
1124 #define RNODE_SPLAT(node) ((rb_node_splat_t *)(node))
1125 #define RNODE_BLOCK_PASS(node) ((rb_node_block_pass_t *)(node))
1126 #define RNODE_DEFN(node) ((rb_node_defn_t *)(node))
1127 #define RNODE_DEFS(node) ((rb_node_defs_t *)(node))
1128 #define RNODE_ALIAS(node) ((rb_node_alias_t *)(node))
1129 #define RNODE_VALIAS(node) ((rb_node_valias_t *)(node))
1130 #define RNODE_UNDEF(node) ((rb_node_undef_t *)(node))
1131 #define RNODE_CLASS(node) ((rb_node_class_t *)(node))
1132 #define RNODE_MODULE(node) ((rb_node_module_t *)(node))
1133 #define RNODE_SCLASS(node) ((rb_node_sclass_t *)(node))
1134 #define RNODE_COLON2(node) ((rb_node_colon2_t *)(node))
1135 #define RNODE_COLON3(node) ((rb_node_colon3_t *)(node))
1136 #define RNODE_DOT2(node) ((rb_node_dot2_t *)(node))
1137 #define RNODE_DOT3(node) ((rb_node_dot3_t *)(node))
1138 #define RNODE_FLIP2(node) ((rb_node_flip2_t *)(node))
1139 #define RNODE_FLIP3(node) ((rb_node_flip3_t *)(node))
1140 #define RNODE_SELF(node) ((rb_node_self_t *)(node))
1141 #define RNODE_NIL(node) ((rb_node_nil_t *)(node))
1142 #define RNODE_TRUE(node) ((rb_node_true_t *)(node))
1143 #define RNODE_FALSE(node) ((rb_node_false_t *)(node))
1144 #define RNODE_ERRINFO(node) ((rb_node_errinfo_t *)(node))
1145 #define RNODE_DEFINED(node) ((rb_node_defined_t *)(node))
1146 #define RNODE_POSTEXE(node) ((rb_node_postexe_t *)(node))
1147 #define RNODE_SYM(node) ((rb_node_sym_t *)(node))
1148 #define RNODE_DSYM(node) ((rb_node_dsym_t *)(node))
1149 #define RNODE_ATTRASGN(node) ((rb_node_attrasgn_t *)(node))
1150 #define RNODE_LAMBDA(node) ((rb_node_lambda_t *)(node))
1151 #define RNODE_ARYPTN(node) ((rb_node_aryptn_t *)(node))
1152 #define RNODE_HSHPTN(node) ((rb_node_hshptn_t *)(node))
1153 #define RNODE_FNDPTN(node) ((rb_node_fndptn_t *)(node))
1154 #define RNODE_LINE(node) ((rb_node_line_t *)(node))
1155 #define RNODE_FILE(node) ((rb_node_file_t *)(node))
1156 #define RNODE_ENCODING(node) ((rb_node_encoding_t *)(node))
1157
1158 /* FL     : 0..4: T_TYPES, 5: KEEP_WB, 6: PROMOTED, 7: FINALIZE, 8: UNUSED, 9: UNUSED, 10: EXIVAR, 11: FREEZE */
1159 /* NODE_FL: 0..4: UNUSED,  5: UNUSED,  6: UNUSED,   7: NODE_FL_NEWLINE,
1160  *          8..14: nd_type,
1161  *          15..: nd_line
1162  */
1163 #define NODE_FL_NEWLINE              (((VALUE)1)<<7)
1164
1165 #define NODE_TYPESHIFT 8
1166 #define NODE_TYPEMASK  (((VALUE)0x7f)<<NODE_TYPESHIFT)
1167
1168 #define nd_fl_newline(n) (n)->flags & NODE_FL_NEWLINE
1169 #define nd_set_fl_newline(n) (n)->flags |= NODE_FL_NEWLINE
1170 #define nd_unset_fl_newline(n) (n)->flags &= ~NODE_FL_NEWLINE
1171
1172 #define nd_type(n) ((int) ((RNODE(n)->flags & NODE_TYPEMASK)>>NODE_TYPESHIFT))
1173 #define nd_set_type(n,t) \
1174     rb_node_set_type(n, t)
1175 #define nd_init_type(n,t) \
1176     (n)->flags=(((n)->flags&~NODE_TYPEMASK)|((((unsigned long)(t))<<NODE_TYPESHIFT)&NODE_TYPEMASK))
1177
1178 typedef struct node_buffer_struct node_buffer_t;
1179
1180 #ifdef UNIVERSAL_PARSER
1181 typedef struct rb_parser_config_struct rb_parser_config_t;
1182 #endif
1183
1184 typedef struct rb_ast_body_struct {
1185     const NODE *root;
1186     rb_parser_ary_t *script_lines;
1187     int line_count;
1188     signed int frozen_string_literal:2; /* -1: not specified, 0: false, 1: true */
1189     signed int coverage_enabled:2; /* -1: not specified, 0: false, 1: true */
1190 } rb_ast_body_t;
1191 typedef struct rb_ast_struct {
1192     node_buffer_t *node_buffer;
1193     rb_ast_body_t body;
1194 #ifdef UNIVERSAL_PARSER
1195     const rb_parser_config_t *config;
1196 #endif
1197 } rb_ast_t;
1198
1199
1200
1201 /*
1202  * Parser Interface
1203  */
1204
1205
1206 typedef struct parser_params rb_parser_t;
1207 #ifndef INTERNAL_IMEMO_H
1208 typedef struct rb_imemo_tmpbuf_struct rb_imemo_tmpbuf_t;
1209 #endif
1210
1211 #ifdef UNIVERSAL_PARSER
1212 typedef struct rb_parser_config_struct {
1213     /* Memory */
1214     void *(*malloc)(size_t size);
1215     void *(*calloc)(size_t number, size_t size);
1216     void *(*realloc)(void *ptr, size_t newsiz);
1217     void (*free)(void *ptr);
1218     void *(*alloc_n)(size_t nelems, size_t elemsiz);
1219     void *(*alloc)(size_t elemsiz);
1220     void *(*realloc_n)(void *ptr, size_t newelems, size_t newsiz);
1221     void *(*zalloc)(size_t elemsiz);
1222     void *(*rb_memmove)(void *dest, const void *src, size_t t, size_t n);
1223     void *(*nonempty_memcpy)(void *dest, const void *src, size_t t, size_t n);
1224     void *(*xmalloc_mul_add)(size_t x, size_t y, size_t z);
1225
1226     // VALUE rb_suppress_tracing(VALUE (*func)(VALUE), VALUE arg);
1227     VALUE (*compile_callback)(VALUE (*func)(VALUE), VALUE arg);
1228     NODE *(*reg_named_capture_assign)(struct parser_params* p, VALUE regexp, const rb_code_location_t *loc);
1229
1230     /* Variable */
1231     VALUE (*attr_get)(VALUE obj, ID id);
1232
1233     /* Array */
1234     VALUE (*ary_new)(void);
1235     VALUE (*ary_push)(VALUE ary, VALUE elem);
1236     VALUE (*ary_new_from_args)(long n, ...);
1237     VALUE (*ary_unshift)(VALUE ary, VALUE item);
1238
1239     /* Symbol */
1240     ID (*make_temporary_id)(size_t n);
1241     int (*is_local_id)(ID);
1242     int (*is_attrset_id)(ID);
1243     int (*is_global_name_punct)(const int c);
1244     int (*id_type)(ID id);
1245     ID (*id_attrset)(ID);
1246     ID (*intern)(const char *name);
1247     ID (*intern2)(const char *name, long len);
1248     ID (*intern3)(const char *name, long len, rb_encoding *enc);
1249     ID (*intern_str)(VALUE str);
1250     int (*is_notop_id)(ID);
1251     int (*enc_symname_type)(const char *name, long len, rb_encoding *enc, unsigned int allowed_attrset);
1252     const char *(*id2name)(ID id);
1253     VALUE (*id2str)(ID id);
1254     VALUE (*id2sym)(ID x);
1255     ID (*sym2id)(VALUE sym);
1256
1257     /* String */
1258     RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 3)
1259     VALUE (*str_catf)(VALUE str, const char *format, ...);
1260     VALUE (*str_cat_cstr)(VALUE str, const char *ptr);
1261     void (*str_modify)(VALUE str);
1262     void (*str_set_len)(VALUE str, long len);
1263     VALUE (*str_cat)(VALUE str, const char *ptr, long len);
1264     VALUE (*str_resize)(VALUE str, long len);
1265     VALUE (*str_new)(const char *ptr, long len);
1266     VALUE (*str_new_cstr)(const char *ptr);
1267     VALUE (*str_to_interned_str)(VALUE);
1268     int (*is_ascii_string)(VALUE str);
1269     VALUE (*enc_str_new)(const char *ptr, long len, rb_encoding *enc);
1270     RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 0)
1271     VALUE (*str_vcatf)(VALUE str, const char *fmt, va_list ap);
1272     RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 1, 2)
1273     VALUE (*rb_sprintf)(const char *format, ...);
1274     char *(*rstring_ptr)(VALUE str);
1275     char *(*rstring_end)(VALUE str);
1276     long (*rstring_len)(VALUE str);
1277     VALUE (*obj_as_string)(VALUE);
1278
1279     /* Numeric */
1280     VALUE (*int2num)(int v);
1281
1282     /* IO */
1283     int (*stderr_tty_p)(void);
1284     void (*write_error_str)(VALUE mesg);
1285     VALUE (*io_write)(VALUE io, VALUE str);
1286     VALUE (*io_flush)(VALUE io);
1287     VALUE (*io_puts)(int argc, const VALUE *argv, VALUE out);
1288
1289     /* IO (Ractor) */
1290     VALUE (*debug_output_stdout)(void);
1291     VALUE (*debug_output_stderr)(void);
1292
1293     /* Encoding */
1294     int (*is_usascii_enc)(rb_encoding *enc);
1295     int (*enc_isalnum)(OnigCodePoint c, rb_encoding *enc);
1296     int (*enc_precise_mbclen)(const char *p, const char *e, rb_encoding *enc);
1297     int (*mbclen_charfound_p)(int len);
1298     int (*mbclen_charfound_len)(int len);
1299     const char *(*enc_name)(rb_encoding *enc);
1300     char *(*enc_prev_char)(const char *s, const char *p, const char *e, rb_encoding *enc);
1301     rb_encoding* (*enc_get)(VALUE obj);
1302     int (*enc_asciicompat)(rb_encoding *enc);
1303     rb_encoding *(*utf8_encoding)(void);
1304     VALUE (*enc_associate)(VALUE obj, rb_encoding *enc);
1305     rb_encoding *(*ascii8bit_encoding)(void);
1306     int (*enc_codelen)(int c, rb_encoding *enc);
1307     int (*enc_mbcput)(unsigned int c, void *buf, rb_encoding *enc);
1308     int (*enc_find_index)(const char *name);
1309     rb_encoding *(*enc_from_index)(int idx);
1310     int (*enc_isspace)(OnigCodePoint c, rb_encoding *enc);
1311     rb_encoding *(*usascii_encoding)(void);
1312     int enc_coderange_broken;
1313     int (*enc_mbminlen)(rb_encoding *enc);
1314     bool (*enc_isascii)(OnigCodePoint c, rb_encoding *enc);
1315     OnigCodePoint (*enc_mbc_to_codepoint)(const char *p, const char *e, rb_encoding *enc);
1316
1317     /* Compile */
1318     // int rb_local_defined(ID id, const rb_iseq_t *iseq);
1319     int (*local_defined)(ID, const void*);
1320     // int rb_dvar_defined(ID id, const rb_iseq_t *iseq);
1321     int (*dvar_defined)(ID, const void*);
1322
1323     /* Error (Exception) */
1324     RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 6, 0)
1325     VALUE (*syntax_error_append)(VALUE, VALUE, int, int, rb_encoding*, const char*, va_list);
1326     RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 3)
1327     void (*raise)(VALUE exc, const char *fmt, ...);
1328     VALUE (*syntax_error_new)(void);
1329
1330     /* Eval */
1331     VALUE (*errinfo)(void);
1332     void (*set_errinfo)(VALUE err);
1333     void (*exc_raise)(VALUE mesg);
1334     VALUE (*make_exception)(int argc, const VALUE *argv);
1335
1336     /* GC */
1337     void (*sized_xfree)(void *x, size_t size);
1338     void *(*sized_realloc_n)(void *ptr, size_t new_count, size_t element_size, size_t old_count);
1339     void (*gc_guard)(VALUE);
1340     void (*gc_mark)(VALUE);
1341
1342     /* Re */
1343     VALUE (*reg_compile)(VALUE str, int options, const char *sourcefile, int sourceline);
1344     VALUE (*reg_check_preprocess)(VALUE str);
1345     int (*memcicmp)(const void *x, const void *y, long len);
1346
1347     /* Error */
1348     void (*compile_warn)(const char *file, int line, const char *fmt, ...) RUBYPARSER_ATTRIBUTE_FORMAT(3, 4);
1349     void (*compile_warning)(const char *file, int line, const char *fmt, ...) RUBYPARSER_ATTRIBUTE_FORMAT(3, 4);
1350     void (*bug)(const char *fmt, ...) RUBYPARSER_ATTRIBUTE_FORMAT(1, 2);
1351     void (*fatal)(const char *fmt, ...) RUBYPARSER_ATTRIBUTE_FORMAT(1, 2);
1352     VALUE (*verbose)(void);
1353     int *(*errno_ptr)(void);
1354
1355     /* VM */
1356     VALUE (*make_backtrace)(void);
1357
1358     /* Util */
1359     unsigned long (*scan_hex)(const char *start, size_t len, size_t *retlen);
1360     unsigned long (*scan_oct)(const char *start, size_t len, size_t *retlen);
1361     unsigned long (*scan_digits)(const char *str, ssize_t len, int base, size_t *retlen, int *overflow);
1362     double (*strtod)(const char *s00, char **se);
1363
1364     /* Misc */
1365     int (*rtest)(VALUE obj);
1366     int (*nil_p)(VALUE obj);
1367     VALUE qnil;
1368     VALUE qfalse;
1369     VALUE (*eArgError)(void);
1370     int (*long2int)(long);
1371
1372     /* For Ripper */
1373     int enc_coderange_7bit;
1374     int enc_coderange_unknown;
1375     VALUE (*static_id2sym)(ID id);
1376     long (*str_coderange_scan_restartable)(const char *s, const char *e, rb_encoding *enc, int *cr);
1377 } rb_parser_config_t;
1378
1379 #undef rb_encoding
1380 #undef OnigCodePoint
1381 #endif /* UNIVERSAL_PARSER */
1382
1383 RUBY_SYMBOL_EXPORT_BEGIN
1384 void rb_ruby_parser_free(void *ptr);
1385
1386 #ifdef UNIVERSAL_PARSER
1387 rb_parser_t *rb_ruby_parser_allocate(const rb_parser_config_t *config);
1388 rb_parser_t *rb_ruby_parser_new(const rb_parser_config_t *config);
1389 #endif
1390
1391 long rb_parser_string_length(rb_parser_string_t *str);
1392 char *rb_parser_string_pointer(rb_parser_string_t *str);
1393
1394 RUBY_SYMBOL_EXPORT_END
1395
1396 #endif /* RUBY_RUBYPARSER_H */