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 = 1,
 228     PARSER_ARY_DATA_SCRIPT_LINE,
 229     PARSER_ARY_DATA_NODE
 230 };
 231
 232 typedef struct rb_parser_ary {
 233     enum rb_parser_ary_data_type data_type;
 234     rb_parser_ary_data *data;
 235     long len;  // current size
 236     long capa; // capacity
 237 } rb_parser_ary_t;
 238
 239 /* Header part of AST Node */
 240 typedef struct RNode {
 241     VALUE flags;
 242     rb_code_location_t nd_loc;
 243     int node_id;
 244 } NODE;
 245
 246 typedef struct RNode_SCOPE {
 247     NODE node;
 248
 249     rb_ast_id_table_t *nd_tbl;
 250     struct RNode *nd_body;
 251     struct RNode_ARGS *nd_args;
 252 } rb_node_scope_t;
 253
 254 typedef struct RNode_BLOCK {
 255     NODE node;
 256
 257     struct RNode *nd_head;
 258     struct RNode *nd_end;
 259     struct RNode *nd_next;
 260 } rb_node_block_t;
 261
 262 typedef struct RNode_IF {
 263     NODE node;
 264
 265     struct RNode *nd_cond;
 266     struct RNode *nd_body;
 267     struct RNode *nd_else;
 268 } rb_node_if_t;
 269
 270 typedef struct RNode_UNLESS {
 271     NODE node;
 272
 273     struct RNode *nd_cond;
 274     struct RNode *nd_body;
 275     struct RNode *nd_else;
 276     rb_code_location_t keyword_loc;
 277     rb_code_location_t then_keyword_loc;
 278     rb_code_location_t end_keyword_loc;
 279 } rb_node_unless_t;
 280
 281 typedef struct RNode_CASE {
 282     NODE node;
 283
 284     struct RNode *nd_head;
 285     struct RNode *nd_body;
 286 } rb_node_case_t;
 287
 288 typedef struct RNode_CASE2 {
 289     NODE node;
 290
 291     struct RNode *nd_head;
 292     struct RNode *nd_body;
 293 } rb_node_case2_t;
 294
 295 typedef struct RNode_CASE3 {
 296     NODE node;
 297
 298     struct RNode *nd_head;
 299     struct RNode *nd_body;
 300 } rb_node_case3_t;
 301
 302 typedef struct RNode_WHEN {
 303     NODE node;
 304
 305     struct RNode *nd_head;
 306     struct RNode *nd_body;
 307     struct RNode *nd_next;
 308 } rb_node_when_t;
 309
 310 typedef struct RNode_IN {
 311     NODE node;
 312
 313     struct RNode *nd_head;
 314     struct RNode *nd_body;
 315     struct RNode *nd_next;
 316 } rb_node_in_t;
 317
 318 typedef struct RNode_LOOP {
 319     NODE node;
 320
 321     struct RNode *nd_cond;
 322     struct RNode *nd_body;
 323     long nd_state;
 324 } rb_node_while_t, rb_node_until_t;
 325
 326 typedef struct RNode_ITER {
 327     NODE node;
 328
 329     struct RNode *nd_body;
 330     struct RNode *nd_iter;
 331 } rb_node_iter_t, rb_node_for_t;
 332
 333 typedef struct RNode_FOR_MASGN {
 334     NODE node;
 335
 336     struct RNode *nd_var;
 337 } rb_node_for_masgn_t;
 338
 339 typedef struct RNode_EXITS {
 340     NODE node;
 341
 342     struct RNode *nd_chain;
 343     struct RNode *nd_stts;
 344 } rb_node_exits_t, rb_node_break_t, rb_node_next_t, rb_node_redo_t;
 345
 346 typedef struct RNode_RETRY {
 347     NODE node;
 348 } rb_node_retry_t;
 349
 350 typedef struct RNode_BEGIN {
 351     NODE node;
 352
 353     struct RNode *nd_body;
 354 } rb_node_begin_t;
 355
 356 typedef struct RNode_RESCUE {
 357     NODE node;
 358
 359     struct RNode *nd_head;
 360     struct RNode *nd_resq;
 361     struct RNode *nd_else;
 362 } rb_node_rescue_t;
 363
 364 typedef struct RNode_RESBODY {
 365     NODE node;
 366
 367     struct RNode *nd_args;
 368     struct RNode *nd_exc_var;
 369     struct RNode *nd_body;
 370     struct RNode *nd_next;
 371 } rb_node_resbody_t;
 372
 373 typedef struct RNode_ENSURE {
 374     NODE node;
 375
 376     struct RNode *nd_head;
 377     struct RNode *nd_ensr;
 378 } rb_node_ensure_t;
 379
 380 typedef struct {
 381     NODE node;
 382
 383     struct RNode *nd_1st;
 384     struct RNode *nd_2nd;
 385 } rb_node_and_t, rb_node_or_t;
 386
 387 typedef struct RNode_MASGN {
 388     NODE node;
 389
 390     struct RNode *nd_head;
 391     struct RNode *nd_value;
 392     struct RNode *nd_args;
 393 } rb_node_masgn_t;
 394
 395 typedef struct RNode_LASGN {
 396     NODE node;
 397
 398     ID nd_vid;
 399     struct RNode *nd_value;
 400 } rb_node_lasgn_t;
 401
 402 typedef struct RNode_DASGN {
 403     NODE node;
 404
 405     ID nd_vid;
 406     struct RNode *nd_value;
 407 } rb_node_dasgn_t;
 408
 409 typedef struct RNode_GASGN {
 410     NODE node;
 411
 412     ID nd_vid;
 413     struct RNode *nd_value;
 414 } rb_node_gasgn_t;
 415
 416 typedef struct RNode_IASGN {
 417     NODE node;
 418
 419     ID nd_vid;
 420     struct RNode *nd_value;
 421 } rb_node_iasgn_t;
 422
 423 typedef struct RNode_CDECL {
 424     NODE node;
 425
 426     ID nd_vid;
 427     struct RNode *nd_value;
 428     struct RNode *nd_else;
 429     enum rb_parser_shareability shareability;
 430 } rb_node_cdecl_t;
 431
 432 typedef struct RNode_CVASGN {
 433     NODE node;
 434
 435     ID nd_vid;
 436     struct RNode *nd_value;
 437 } rb_node_cvasgn_t;
 438
 439 typedef struct RNode_OP_ASGN1 {
 440     NODE node;
 441
 442     struct RNode *nd_recv;
 443     ID nd_mid;
 444     struct RNode *nd_index;
 445     struct RNode *nd_rvalue;
 446 } rb_node_op_asgn1_t;
 447
 448 typedef struct RNode_OP_ASGN2 {
 449     NODE node;
 450
 451     struct RNode *nd_recv;
 452     struct RNode *nd_value;
 453     ID nd_vid;
 454     ID nd_mid;
 455     bool nd_aid;
 456 } rb_node_op_asgn2_t;
 457
 458 typedef struct RNode_OP_ASGN_AND {
 459     NODE node;
 460
 461     struct RNode *nd_head;
 462     struct RNode *nd_value;
 463 } rb_node_op_asgn_and_t;
 464
 465 typedef struct RNode_OP_ASGN_OR {
 466     NODE node;
 467
 468     struct RNode *nd_head;
 469     struct RNode *nd_value;
 470 } rb_node_op_asgn_or_t;
 471
 472 typedef struct RNode_OP_CDECL {
 473     NODE node;
 474
 475     struct RNode *nd_head;
 476     struct RNode *nd_value;
 477     ID nd_aid;
 478     enum rb_parser_shareability shareability;
 479 } rb_node_op_cdecl_t;
 480
 481 typedef struct RNode_CALL {
 482     NODE node;
 483
 484     struct RNode *nd_recv;
 485     ID nd_mid;
 486     struct RNode *nd_args;
 487 } rb_node_call_t;
 488
 489 typedef struct RNode_OPCALL {
 490     NODE node;
 491
 492     struct RNode *nd_recv;
 493     ID nd_mid;
 494     struct RNode *nd_args;
 495 } rb_node_opcall_t;
 496
 497 typedef struct RNode_FCALL {
 498     NODE node;
 499
 500     ID nd_mid;
 501     struct RNode *nd_args;
 502 } rb_node_fcall_t;
 503
 504 typedef struct RNode_VCALL {
 505     NODE node;
 506
 507     ID nd_mid;
 508 } rb_node_vcall_t;
 509
 510 typedef struct RNode_QCALL {
 511     NODE node;
 512
 513     struct RNode *nd_recv;
 514     ID nd_mid;
 515     struct RNode *nd_args;
 516 } rb_node_qcall_t;
 517
 518 typedef struct RNode_SUPER {
 519     NODE node;
 520
 521     struct RNode *nd_args;
 522 } rb_node_super_t;
 523
 524 typedef struct RNode_ZSUPER {
 525     NODE node;
 526 } rb_node_zsuper_t;
 527
 528 /*
 529
 530   Structure of LIST:
 531
 532   LIST                     +--> LIST
 533    * head --> element      |     * head
 534    * alen (length of list) |     * nd_end (point to the last LIST)
 535    * next -----------------+     * next
 536
 537 */
 538 typedef struct RNode_LIST {
 539     NODE node;
 540
 541     struct RNode *nd_head; /* element */
 542     union {
 543         long nd_alen;
 544         struct RNode *nd_end; /* Second list node has this structure */
 545     } as;
 546     struct RNode *nd_next; /* next list node */
 547 } rb_node_list_t;
 548
 549 typedef struct RNode_ZLIST {
 550     NODE node;
 551 } rb_node_zlist_t;
 552
 553 typedef struct RNode_HASH {
 554     NODE node;
 555
 556     struct RNode *nd_head;
 557     long nd_brace;
 558 } rb_node_hash_t;
 559
 560 typedef struct RNode_RETURN {
 561     NODE node;
 562
 563     struct RNode *nd_stts;
 564 } rb_node_return_t;
 565
 566 typedef struct RNode_YIELD {
 567     NODE node;
 568
 569     struct RNode *nd_head;
 570 } rb_node_yield_t;
 571
 572 typedef struct RNode_LVAR {
 573     NODE node;
 574
 575     ID nd_vid;
 576 } rb_node_lvar_t;
 577
 578 typedef struct RNode_DVAR {
 579     NODE node;
 580
 581     ID nd_vid;
 582 } rb_node_dvar_t;
 583
 584 typedef struct RNode_GVAR {
 585     NODE node;
 586
 587     ID nd_vid;
 588 } rb_node_gvar_t;
 589
 590 typedef struct RNode_IVAR {
 591     NODE node;
 592
 593     ID nd_vid;
 594 } rb_node_ivar_t;
 595
 596 typedef struct RNode_CONST {
 597     NODE node;
 598
 599     ID nd_vid;
 600 } rb_node_const_t;
 601
 602 typedef struct RNode_CVAR {
 603     NODE node;
 604
 605     ID nd_vid;
 606 } rb_node_cvar_t;
 607
 608 typedef struct RNode_NTH_REF {
 609     NODE node;
 610
 611     long nd_nth;
 612 } rb_node_nth_ref_t;
 613
 614 typedef struct RNode_BACK_REF {
 615     NODE node;
 616
 617     long nd_nth;
 618 } rb_node_back_ref_t;
 619
 620 typedef struct RNode_MATCH2 {
 621     NODE node;
 622
 623     struct RNode *nd_recv;
 624     struct RNode *nd_value;
 625     struct RNode *nd_args;
 626 } rb_node_match2_t;
 627
 628 typedef struct RNode_MATCH3 {
 629     NODE node;
 630
 631     struct RNode *nd_recv;
 632     struct RNode *nd_value;
 633 } rb_node_match3_t;
 634
 635 typedef struct RNode_INTEGER {
 636     NODE node;
 637
 638     char *val;
 639     int minus;
 640     int base;
 641 } rb_node_integer_t;
 642
 643 typedef struct RNode_FLOAT {
 644     NODE node;
 645
 646     char *val;
 647     int minus;
 648 } rb_node_float_t;
 649
 650 typedef struct RNode_RATIONAL {
 651     NODE node;
 652
 653     char *val;
 654     int minus;
 655     int base;
 656     int seen_point;
 657 } rb_node_rational_t;
 658
 659 enum rb_numeric_type {
 660     integer_literal,
 661     float_literal,
 662     rational_literal
 663 };
 664
 665 typedef struct RNode_IMAGINARY {
 666     NODE node;
 667
 668     char *val;
 669     int minus;
 670     int base;
 671     int seen_point;
 672     enum rb_numeric_type type;
 673 } rb_node_imaginary_t;
 674
 675 typedef struct RNode_STR {
 676     NODE node;
 677
 678     struct rb_parser_string *string;
 679 } rb_node_str_t;
 680
 681 /* NODE_DSTR, NODE_DXSTR, NODE_DREGX, NODE_DSYM */
 682 typedef struct RNode_DSTR {
 683     NODE node;
 684
 685     struct rb_parser_string *string;
 686     union {
 687         long nd_alen;
 688         long nd_cflag;
 689         struct RNode *nd_end; /* Second dstr node has this structure. See also RNode_LIST */
 690     } as;
 691     struct RNode_LIST *nd_next;
 692 } rb_node_dstr_t;
 693
 694 typedef rb_node_str_t rb_node_xstr_t;
 695
 696 typedef rb_node_dstr_t rb_node_dxstr_t;
 697
 698 typedef struct RNode_EVSTR {
 699     NODE node;
 700
 701     struct RNode *nd_body;
 702 } rb_node_evstr_t;
 703
 704 typedef struct RNode_REGX {     /* also RNode_MATCH */
 705     NODE node;
 706
 707     struct rb_parser_string *string;
 708     int options;
 709 } rb_node_regx_t, rb_node_match_t;
 710
 711 typedef rb_node_dstr_t rb_node_dregx_t;
 712
 713 typedef struct RNode_ONCE {
 714     NODE node;
 715
 716     struct RNode *nd_body;
 717 } rb_node_once_t;
 718
 719 struct rb_args_info {
 720     NODE *pre_init;
 721     NODE *post_init;
 722
 723     int pre_args_num;  /* count of mandatory pre-arguments */
 724     int post_args_num; /* count of mandatory post-arguments */
 725
 726     ID first_post_arg;
 727
 728     ID rest_arg;
 729     ID block_arg;
 730
 731     struct RNode_KW_ARG *kw_args;
 732     NODE *kw_rest_arg;
 733
 734     struct RNode_OPT_ARG *opt_args;
 735     unsigned int no_kwarg: 1;
 736     unsigned int ruby2_keywords: 1;
 737     unsigned int forwarding: 1;
 738 };
 739
 740 typedef struct RNode_ARGS {
 741     NODE node;
 742
 743     struct rb_args_info nd_ainfo;
 744 } rb_node_args_t;
 745
 746 typedef struct RNode_ARGS_AUX {
 747     NODE node;
 748
 749     ID nd_pid;
 750     int nd_plen;
 751     struct RNode *nd_next;
 752 } rb_node_args_aux_t;
 753
 754 typedef struct RNode_OPT_ARG {
 755     NODE node;
 756
 757     struct RNode *nd_body;
 758     struct RNode_OPT_ARG *nd_next;
 759 } rb_node_opt_arg_t;
 760
 761 typedef struct RNode_KW_ARG {
 762     NODE node;
 763
 764     struct RNode *nd_body;
 765     struct RNode_KW_ARG *nd_next;
 766 } rb_node_kw_arg_t;
 767
 768 typedef struct RNode_POSTARG {
 769     NODE node;
 770
 771     struct RNode *nd_1st;
 772     struct RNode *nd_2nd;
 773 } rb_node_postarg_t;
 774
 775 typedef struct RNode_ARGSCAT {
 776     NODE node;
 777
 778     struct RNode *nd_head;
 779     struct RNode *nd_body;
 780 } rb_node_argscat_t;
 781
 782 typedef struct RNode_ARGSPUSH {
 783     NODE node;
 784
 785     struct RNode *nd_head;
 786     struct RNode *nd_body;
 787 } rb_node_argspush_t;
 788
 789 typedef struct RNode_SPLAT {
 790     NODE node;
 791
 792     struct RNode *nd_head;
 793 } rb_node_splat_t;
 794
 795 typedef struct RNode_BLOCK_PASS {
 796     NODE node;
 797
 798     struct RNode *nd_head;
 799     struct RNode *nd_body;
 800     unsigned int forwarding: 1;
 801 } rb_node_block_pass_t;
 802
 803 typedef struct RNode_DEFN {
 804     NODE node;
 805
 806     ID nd_mid;
 807     struct RNode *nd_defn;
 808 } rb_node_defn_t;
 809
 810 typedef struct RNode_DEFS {
 811     NODE node;
 812
 813     struct RNode *nd_recv;
 814     ID nd_mid;
 815     struct RNode *nd_defn;
 816 } rb_node_defs_t;
 817
 818 typedef struct RNode_ALIAS {
 819     NODE node;
 820
 821     struct RNode *nd_1st;
 822     struct RNode *nd_2nd;
 823 } rb_node_alias_t;
 824
 825 typedef struct RNode_VALIAS {
 826     NODE node;
 827
 828     ID nd_alias;
 829     ID nd_orig;
 830 } rb_node_valias_t;
 831
 832 typedef struct RNode_UNDEF {
 833     NODE node;
 834
 835     rb_parser_ary_t *nd_undefs;
 836 } rb_node_undef_t;
 837
 838 typedef struct RNode_CLASS {
 839     NODE node;
 840
 841     struct RNode *nd_cpath;
 842     struct RNode *nd_body;
 843     struct RNode *nd_super;
 844 } rb_node_class_t;
 845
 846 typedef struct RNode_MODULE {
 847     NODE node;
 848
 849     struct RNode *nd_cpath;
 850     struct RNode *nd_body;
 851 } rb_node_module_t;
 852
 853 typedef struct RNode_SCLASS {
 854     NODE node;
 855
 856     struct RNode *nd_recv;
 857     struct RNode *nd_body;
 858 } rb_node_sclass_t;
 859
 860 typedef struct RNode_COLON2 {
 861     NODE node;
 862
 863     struct RNode *nd_head;
 864     ID nd_mid;
 865 } rb_node_colon2_t;
 866
 867 typedef struct RNode_COLON3 {
 868     NODE node;
 869
 870     ID nd_mid;
 871 } rb_node_colon3_t;
 872
 873 /* NODE_DOT2, NODE_DOT3, NODE_FLIP2, NODE_FLIP3 */
 874 typedef struct RNode_DOTS {
 875     NODE node;
 876
 877     struct RNode *nd_beg;
 878     struct RNode *nd_end;
 879 } rb_node_dot2_t, rb_node_dot3_t, rb_node_flip2_t, rb_node_flip3_t;
 880
 881 typedef struct RNode_SELF {
 882     NODE node;
 883
 884     long nd_state; /* Default 1. See NEW_SELF. */
 885 } rb_node_self_t;
 886
 887 typedef struct RNode_NIL {
 888     NODE node;
 889 } rb_node_nil_t;
 890
 891 typedef struct RNode_TRUE {
 892     NODE node;
 893 } rb_node_true_t;
 894
 895 typedef struct RNode_FALSE {
 896     NODE node;
 897 } rb_node_false_t;
 898
 899 typedef struct RNode_ERRINFO {
 900     NODE node;
 901 } rb_node_errinfo_t;
 902
 903 typedef struct RNode_DEFINED {
 904     NODE node;
 905
 906     struct RNode *nd_head;
 907 } rb_node_defined_t;
 908
 909 typedef struct RNode_POSTEXE {
 910     NODE node;
 911
 912     struct RNode *nd_body;
 913 } rb_node_postexe_t;
 914
 915 typedef struct RNode_SYM {
 916     NODE node;
 917
 918     struct rb_parser_string *string;
 919 } rb_node_sym_t;
 920
 921 typedef rb_node_dstr_t rb_node_dsym_t;
 922
 923 typedef struct RNode_ATTRASGN {
 924     NODE node;
 925
 926     struct RNode *nd_recv;
 927     ID nd_mid;
 928     struct RNode *nd_args;
 929 } rb_node_attrasgn_t;
 930
 931 typedef struct RNode_LAMBDA {
 932     NODE node;
 933
 934     struct RNode *nd_body;
 935 } rb_node_lambda_t;
 936
 937 typedef struct RNode_ARYPTN {
 938     NODE node;
 939
 940     struct RNode *nd_pconst;
 941     NODE *pre_args;
 942     NODE *rest_arg;
 943     NODE *post_args;
 944 } rb_node_aryptn_t;
 945
 946 typedef struct RNode_HSHPTN {
 947     NODE node;
 948
 949     struct RNode *nd_pconst;
 950     struct RNode *nd_pkwargs;
 951     struct RNode *nd_pkwrestarg;
 952 } rb_node_hshptn_t;
 953
 954 typedef struct RNode_FNDPTN {
 955     NODE node;
 956
 957     struct RNode *nd_pconst;
 958     NODE *pre_rest_arg;
 959     NODE *args;
 960     NODE *post_rest_arg;
 961 } rb_node_fndptn_t;
 962
 963 typedef struct RNode_LINE {
 964     NODE node;
 965 } rb_node_line_t;
 966
 967 typedef struct RNode_FILE {
 968     NODE node;
 969
 970     struct rb_parser_string *path;
 971 } rb_node_file_t;
 972
 973 typedef struct RNode_ENCODING {
 974     NODE node;
 975     rb_encoding *enc;
 976 } rb_node_encoding_t;
 977
 978 typedef struct RNode_ERROR {
 979     NODE node;
 980 } rb_node_error_t;
 981
 982 #define RNODE(obj)  ((NODE *)(obj))
 983
 984 #define RNODE_SCOPE(node) ((rb_node_scope_t *)(node))
 985 #define RNODE_BLOCK(node) ((rb_node_block_t *)(node))
 986 #define RNODE_IF(node) ((rb_node_if_t *)(node))
 987 #define RNODE_UNLESS(node) ((rb_node_unless_t *)(node))
 988 #define RNODE_CASE(node) ((rb_node_case_t *)(node))
 989 #define RNODE_CASE2(node) ((rb_node_case2_t *)(node))
 990 #define RNODE_CASE3(node) ((rb_node_case3_t *)(node))
 991 #define RNODE_WHEN(node) ((rb_node_when_t *)(node))
 992 #define RNODE_IN(node) ((rb_node_in_t *)(node))
 993 #define RNODE_WHILE(node) ((rb_node_while_t *)(node))
 994 #define RNODE_UNTIL(node) ((rb_node_until_t *)(node))
 995 #define RNODE_ITER(node) ((rb_node_iter_t *)(node))
 996 #define RNODE_FOR(node) ((rb_node_for_t *)(node))
 997 #define RNODE_FOR_MASGN(node) ((rb_node_for_masgn_t *)(node))
 998 #define RNODE_BREAK(node) ((rb_node_break_t *)(node))
 999 #define RNODE_NEXT(node) ((rb_node_next_t *)(node))
1000 #define RNODE_REDO(node) ((rb_node_redo_t *)(node))
1001 #define RNODE_RETRY(node) ((rb_node_retry_t *)(node))
1002 #define RNODE_BEGIN(node) ((rb_node_begin_t *)(node))
1003 #define RNODE_RESCUE(node) ((rb_node_rescue_t *)(node))
1004 #define RNODE_RESBODY(node) ((rb_node_resbody_t *)(node))
1005 #define RNODE_ENSURE(node) ((rb_node_ensure_t *)(node))
1006 #define RNODE_AND(node) ((rb_node_and_t *)(node))
1007 #define RNODE_OR(node) ((rb_node_or_t *)(node))
1008 #define RNODE_MASGN(node) ((rb_node_masgn_t *)(node))
1009 #define RNODE_LASGN(node) ((rb_node_lasgn_t *)(node))
1010 #define RNODE_DASGN(node) ((rb_node_dasgn_t *)(node))
1011 #define RNODE_GASGN(node) ((rb_node_gasgn_t *)(node))
1012 #define RNODE_IASGN(node) ((rb_node_iasgn_t *)(node))
1013 #define RNODE_CDECL(node) ((rb_node_cdecl_t *)(node))
1014 #define RNODE_CVASGN(node) ((rb_node_cvasgn_t *)(node))
1015 #define RNODE_OP_ASGN1(node) ((rb_node_op_asgn1_t *)(node))
1016 #define RNODE_OP_ASGN2(node) ((rb_node_op_asgn2_t *)(node))
1017 #define RNODE_OP_ASGN_AND(node) ((rb_node_op_asgn_and_t *)(node))
1018 #define RNODE_OP_ASGN_OR(node) ((rb_node_op_asgn_or_t *)(node))
1019 #define RNODE_OP_CDECL(node) ((rb_node_op_cdecl_t *)(node))
1020 #define RNODE_CALL(node) ((rb_node_call_t *)(node))
1021 #define RNODE_OPCALL(node) ((rb_node_opcall_t *)(node))
1022 #define RNODE_FCALL(node) ((rb_node_fcall_t *)(node))
1023 #define RNODE_VCALL(node) ((rb_node_vcall_t *)(node))
1024 #define RNODE_QCALL(node) ((rb_node_qcall_t *)(node))
1025 #define RNODE_SUPER(node) ((rb_node_super_t *)(node))
1026 #define RNODE_ZSUPER(node) ((rb_node_zsuper_t *)(node))
1027 #define RNODE_LIST(node) ((rb_node_list_t *)(node))
1028 #define RNODE_ZLIST(node) ((rb_node_zlist_t *)(node))
1029 #define RNODE_HASH(node) ((rb_node_hash_t *)(node))
1030 #define RNODE_RETURN(node) ((rb_node_return_t *)(node))
1031 #define RNODE_YIELD(node) ((rb_node_yield_t *)(node))
1032 #define RNODE_LVAR(node) ((rb_node_lvar_t *)(node))
1033 #define RNODE_DVAR(node) ((rb_node_dvar_t *)(node))
1034 #define RNODE_GVAR(node) ((rb_node_gvar_t *)(node))
1035 #define RNODE_IVAR(node) ((rb_node_ivar_t *)(node))
1036 #define RNODE_CONST(node) ((rb_node_const_t *)(node))
1037 #define RNODE_CVAR(node) ((rb_node_cvar_t *)(node))
1038 #define RNODE_NTH_REF(node) ((rb_node_nth_ref_t *)(node))
1039 #define RNODE_BACK_REF(node) ((rb_node_back_ref_t *)(node))
1040 #define RNODE_MATCH(node) ((rb_node_match_t *)(node))
1041 #define RNODE_MATCH2(node) ((rb_node_match2_t *)(node))
1042 #define RNODE_MATCH3(node) ((rb_node_match3_t *)(node))
1043 #define RNODE_INTEGER(node) ((rb_node_integer_t *)(node))
1044 #define RNODE_FLOAT(node) ((rb_node_float_t *)(node))
1045 #define RNODE_RATIONAL(node) ((rb_node_rational_t *)(node))
1046 #define RNODE_IMAGINARY(node) ((rb_node_imaginary_t *)(node))
1047 #define RNODE_STR(node) ((rb_node_str_t *)(node))
1048 #define RNODE_DSTR(node) ((rb_node_dstr_t *)(node))
1049 #define RNODE_XSTR(node) ((rb_node_xstr_t *)(node))
1050 #define RNODE_DXSTR(node) ((rb_node_dxstr_t *)(node))
1051 #define RNODE_EVSTR(node) ((rb_node_evstr_t *)(node))
1052 #define RNODE_REGX(node) ((rb_node_regx_t *)(node))
1053 #define RNODE_DREGX(node) ((rb_node_dregx_t *)(node))
1054 #define RNODE_ONCE(node) ((rb_node_once_t *)(node))
1055 #define RNODE_ARGS(node) ((rb_node_args_t *)(node))
1056 #define RNODE_ARGS_AUX(node) ((rb_node_args_aux_t *)(node))
1057 #define RNODE_OPT_ARG(node) ((rb_node_opt_arg_t *)(node))
1058 #define RNODE_KW_ARG(node) ((rb_node_kw_arg_t *)(node))
1059 #define RNODE_POSTARG(node) ((rb_node_postarg_t *)(node))
1060 #define RNODE_ARGSCAT(node) ((rb_node_argscat_t *)(node))
1061 #define RNODE_ARGSPUSH(node) ((rb_node_argspush_t *)(node))
1062 #define RNODE_SPLAT(node) ((rb_node_splat_t *)(node))
1063 #define RNODE_BLOCK_PASS(node) ((rb_node_block_pass_t *)(node))
1064 #define RNODE_DEFN(node) ((rb_node_defn_t *)(node))
1065 #define RNODE_DEFS(node) ((rb_node_defs_t *)(node))
1066 #define RNODE_ALIAS(node) ((rb_node_alias_t *)(node))
1067 #define RNODE_VALIAS(node) ((rb_node_valias_t *)(node))
1068 #define RNODE_UNDEF(node) ((rb_node_undef_t *)(node))
1069 #define RNODE_CLASS(node) ((rb_node_class_t *)(node))
1070 #define RNODE_MODULE(node) ((rb_node_module_t *)(node))
1071 #define RNODE_SCLASS(node) ((rb_node_sclass_t *)(node))
1072 #define RNODE_COLON2(node) ((rb_node_colon2_t *)(node))
1073 #define RNODE_COLON3(node) ((rb_node_colon3_t *)(node))
1074 #define RNODE_DOT2(node) ((rb_node_dot2_t *)(node))
1075 #define RNODE_DOT3(node) ((rb_node_dot3_t *)(node))
1076 #define RNODE_FLIP2(node) ((rb_node_flip2_t *)(node))
1077 #define RNODE_FLIP3(node) ((rb_node_flip3_t *)(node))
1078 #define RNODE_SELF(node) ((rb_node_self_t *)(node))
1079 #define RNODE_NIL(node) ((rb_node_nil_t *)(node))
1080 #define RNODE_TRUE(node) ((rb_node_true_t *)(node))
1081 #define RNODE_FALSE(node) ((rb_node_false_t *)(node))
1082 #define RNODE_ERRINFO(node) ((rb_node_errinfo_t *)(node))
1083 #define RNODE_DEFINED(node) ((rb_node_defined_t *)(node))
1084 #define RNODE_POSTEXE(node) ((rb_node_postexe_t *)(node))
1085 #define RNODE_SYM(node) ((rb_node_sym_t *)(node))
1086 #define RNODE_DSYM(node) ((rb_node_dsym_t *)(node))
1087 #define RNODE_ATTRASGN(node) ((rb_node_attrasgn_t *)(node))
1088 #define RNODE_LAMBDA(node) ((rb_node_lambda_t *)(node))
1089 #define RNODE_ARYPTN(node) ((rb_node_aryptn_t *)(node))
1090 #define RNODE_HSHPTN(node) ((rb_node_hshptn_t *)(node))
1091 #define RNODE_FNDPTN(node) ((rb_node_fndptn_t *)(node))
1092 #define RNODE_LINE(node) ((rb_node_line_t *)(node))
1093 #define RNODE_FILE(node) ((rb_node_file_t *)(node))
1094 #define RNODE_ENCODING(node) ((rb_node_encoding_t *)(node))
1095
1096 /* FL     : 0..4: T_TYPES, 5: KEEP_WB, 6: PROMOTED, 7: FINALIZE, 8: UNUSED, 9: UNUSED, 10: EXIVAR, 11: FREEZE */
1097 /* NODE_FL: 0..4: UNUSED,  5: UNUSED,  6: UNUSED,   7: NODE_FL_NEWLINE,
1098  *          8..14: nd_type,
1099  *          15..: nd_line
1100  */
1101 #define NODE_FL_NEWLINE              (((VALUE)1)<<7)
1102
1103 #define NODE_TYPESHIFT 8
1104 #define NODE_TYPEMASK  (((VALUE)0x7f)<<NODE_TYPESHIFT)
1105
1106 #define nd_fl_newline(n) ((n)->flags & NODE_FL_NEWLINE)
1107 #define nd_set_fl_newline(n) ((n)->flags |= NODE_FL_NEWLINE)
1108 #define nd_unset_fl_newline(n) ((n)->flags &= ~NODE_FL_NEWLINE)
1109
1110 #define nd_type(n) ((int) ((RNODE(n)->flags & NODE_TYPEMASK)>>NODE_TYPESHIFT))
1111 #define nd_set_type(n,t) \
1112     rb_node_set_type(n, t)
1113 #define nd_init_type(n,t) \
1114     (n)->flags=(((n)->flags&~NODE_TYPEMASK)|((((unsigned long)(t))<<NODE_TYPESHIFT)&NODE_TYPEMASK))
1115
1116 typedef struct node_buffer_struct node_buffer_t;
1117
1118 #ifdef UNIVERSAL_PARSER
1119 typedef struct rb_parser_config_struct rb_parser_config_t;
1120 #endif
1121
1122 typedef struct rb_ast_body_struct {
1123     const NODE *root;
1124     rb_parser_ary_t *script_lines;
1125     int line_count;
1126     signed int frozen_string_literal:2; /* -1: not specified, 0: false, 1: true */
1127     signed int coverage_enabled:2; /* -1: not specified, 0: false, 1: true */
1128 } rb_ast_body_t;
1129 typedef struct rb_ast_struct {
1130     node_buffer_t *node_buffer;
1131     rb_ast_body_t body;
1132 #ifdef UNIVERSAL_PARSER
1133     const rb_parser_config_t *config;
1134 #endif
1135 } rb_ast_t;
1136
1137
1138
1139 /*
1140  * Parser Interface
1141  */
1142
1143
1144 typedef struct parser_params rb_parser_t;
1145 #ifndef INTERNAL_IMEMO_H
1146 typedef struct rb_imemo_tmpbuf_struct rb_imemo_tmpbuf_t;
1147 #endif
1148
1149 #ifdef UNIVERSAL_PARSER
1150 typedef struct rb_parser_config_struct {
1151     /* Memory */
1152     void *(*malloc)(size_t size);
1153     void *(*calloc)(size_t number, size_t size);
1154     void *(*realloc)(void *ptr, size_t newsiz);
1155     void (*free)(void *ptr);
1156     void *(*alloc_n)(size_t nelems, size_t elemsiz);
1157     void *(*alloc)(size_t elemsiz);
1158     void *(*realloc_n)(void *ptr, size_t newelems, size_t newsiz);
1159     void *(*zalloc)(size_t elemsiz);
1160     void *(*rb_memmove)(void *dest, const void *src, size_t t, size_t n);
1161     void *(*nonempty_memcpy)(void *dest, const void *src, size_t t, size_t n);
1162     void *(*xmalloc_mul_add)(size_t x, size_t y, size_t z);
1163
1164     // VALUE rb_suppress_tracing(VALUE (*func)(VALUE), VALUE arg);
1165     VALUE (*compile_callback)(VALUE (*func)(VALUE), VALUE arg);
1166     NODE *(*reg_named_capture_assign)(struct parser_params* p, VALUE regexp, const rb_code_location_t *loc);
1167
1168     /* Variable */
1169     VALUE (*attr_get)(VALUE obj, ID id);
1170
1171     /* Array */
1172     VALUE (*ary_new)(void);
1173     VALUE (*ary_push)(VALUE ary, VALUE elem);
1174     VALUE (*ary_new_from_args)(long n, ...);
1175     VALUE (*ary_unshift)(VALUE ary, VALUE item);
1176
1177     /* Symbol */
1178     ID (*make_temporary_id)(size_t n);
1179     int (*is_local_id)(ID);
1180     int (*is_attrset_id)(ID);
1181     int (*is_global_name_punct)(const int c);
1182     int (*id_type)(ID id);
1183     ID (*id_attrset)(ID);
1184     ID (*intern)(const char *name);
1185     ID (*intern2)(const char *name, long len);
1186     ID (*intern3)(const char *name, long len, rb_encoding *enc);
1187     ID (*intern_str)(VALUE str);
1188     int (*is_notop_id)(ID);
1189     int (*enc_symname_type)(const char *name, long len, rb_encoding *enc, unsigned int allowed_attrset);
1190     const char *(*id2name)(ID id);
1191     VALUE (*id2str)(ID id);
1192     VALUE (*id2sym)(ID x);
1193     ID (*sym2id)(VALUE sym);
1194
1195     /* String */
1196     RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 3)
1197     VALUE (*str_catf)(VALUE str, const char *format, ...);
1198     VALUE (*str_cat_cstr)(VALUE str, const char *ptr);
1199     void (*str_modify)(VALUE str);
1200     void (*str_set_len)(VALUE str, long len);
1201     VALUE (*str_cat)(VALUE str, const char *ptr, long len);
1202     VALUE (*str_resize)(VALUE str, long len);
1203     VALUE (*str_new)(const char *ptr, long len);
1204     VALUE (*str_new_cstr)(const char *ptr);
1205     VALUE (*str_to_interned_str)(VALUE);
1206     int (*is_ascii_string)(VALUE str);
1207     VALUE (*enc_str_new)(const char *ptr, long len, rb_encoding *enc);
1208     RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 0)
1209     VALUE (*str_vcatf)(VALUE str, const char *fmt, va_list ap);
1210     RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 1, 2)
1211     VALUE (*rb_sprintf)(const char *format, ...);
1212     char *(*rstring_ptr)(VALUE str);
1213     char *(*rstring_end)(VALUE str);
1214     long (*rstring_len)(VALUE str);
1215     VALUE (*obj_as_string)(VALUE);
1216
1217     /* Numeric */
1218     VALUE (*int2num)(int v);
1219
1220     /* IO */
1221     int (*stderr_tty_p)(void);
1222     void (*write_error_str)(VALUE mesg);
1223     VALUE (*io_write)(VALUE io, VALUE str);
1224     VALUE (*io_flush)(VALUE io);
1225     VALUE (*io_puts)(int argc, const VALUE *argv, VALUE out);
1226
1227     /* IO (Ractor) */
1228     VALUE (*debug_output_stdout)(void);
1229     VALUE (*debug_output_stderr)(void);
1230
1231     /* Encoding */
1232     int (*is_usascii_enc)(rb_encoding *enc);
1233     int (*enc_isalnum)(OnigCodePoint c, rb_encoding *enc);
1234     int (*enc_precise_mbclen)(const char *p, const char *e, rb_encoding *enc);
1235     int (*mbclen_charfound_p)(int len);
1236     int (*mbclen_charfound_len)(int len);
1237     const char *(*enc_name)(rb_encoding *enc);
1238     char *(*enc_prev_char)(const char *s, const char *p, const char *e, rb_encoding *enc);
1239     rb_encoding* (*enc_get)(VALUE obj);
1240     int (*enc_asciicompat)(rb_encoding *enc);
1241     rb_encoding *(*utf8_encoding)(void);
1242     VALUE (*enc_associate)(VALUE obj, rb_encoding *enc);
1243     rb_encoding *(*ascii8bit_encoding)(void);
1244     int (*enc_codelen)(int c, rb_encoding *enc);
1245     int (*enc_mbcput)(unsigned int c, void *buf, rb_encoding *enc);
1246     int (*enc_find_index)(const char *name);
1247     rb_encoding *(*enc_from_index)(int idx);
1248     int (*enc_isspace)(OnigCodePoint c, rb_encoding *enc);
1249     rb_encoding *(*usascii_encoding)(void);
1250     int enc_coderange_broken;
1251     int (*enc_mbminlen)(rb_encoding *enc);
1252     bool (*enc_isascii)(OnigCodePoint c, rb_encoding *enc);
1253     OnigCodePoint (*enc_mbc_to_codepoint)(const char *p, const char *e, rb_encoding *enc);
1254
1255     /* Compile */
1256     // int rb_local_defined(ID id, const rb_iseq_t *iseq);
1257     int (*local_defined)(ID, const void*);
1258     // int rb_dvar_defined(ID id, const rb_iseq_t *iseq);
1259     int (*dvar_defined)(ID, const void*);
1260
1261     /* Error (Exception) */
1262     RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 6, 0)
1263     VALUE (*syntax_error_append)(VALUE, VALUE, int, int, rb_encoding*, const char*, va_list);
1264     RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 3)
1265     void (*raise)(VALUE exc, const char *fmt, ...);
1266     VALUE (*syntax_error_new)(void);
1267
1268     /* Eval */
1269     VALUE (*errinfo)(void);
1270     void (*set_errinfo)(VALUE err);
1271     void (*exc_raise)(VALUE mesg);
1272     VALUE (*make_exception)(int argc, const VALUE *argv);
1273
1274     /* GC */
1275     void (*sized_xfree)(void *x, size_t size);
1276     void *(*sized_realloc_n)(void *ptr, size_t new_count, size_t element_size, size_t old_count);
1277     void (*gc_guard)(VALUE);
1278     void (*gc_mark)(VALUE);
1279
1280     /* Re */
1281     VALUE (*reg_compile)(VALUE str, int options, const char *sourcefile, int sourceline);
1282     VALUE (*reg_check_preprocess)(VALUE str);
1283     int (*memcicmp)(const void *x, const void *y, long len);
1284
1285     /* Error */
1286     void (*compile_warn)(const char *file, int line, const char *fmt, ...) RUBYPARSER_ATTRIBUTE_FORMAT(3, 4);
1287     void (*compile_warning)(const char *file, int line, const char *fmt, ...) RUBYPARSER_ATTRIBUTE_FORMAT(3, 4);
1288     void (*bug)(const char *fmt, ...) RUBYPARSER_ATTRIBUTE_FORMAT(1, 2);
1289     void (*fatal)(const char *fmt, ...) RUBYPARSER_ATTRIBUTE_FORMAT(1, 2);
1290     VALUE (*verbose)(void);
1291     int *(*errno_ptr)(void);
1292
1293     /* VM */
1294     VALUE (*make_backtrace)(void);
1295
1296     /* Util */
1297     unsigned long (*scan_hex)(const char *start, size_t len, size_t *retlen);
1298     unsigned long (*scan_oct)(const char *start, size_t len, size_t *retlen);
1299     unsigned long (*scan_digits)(const char *str, ssize_t len, int base, size_t *retlen, int *overflow);
1300     double (*strtod)(const char *s00, char **se);
1301
1302     /* Misc */
1303     int (*rtest)(VALUE obj);
1304     int (*nil_p)(VALUE obj);
1305     VALUE qnil;
1306     VALUE qfalse;
1307     VALUE (*eArgError)(void);
1308     int (*long2int)(long);
1309
1310     /* For Ripper */
1311     int enc_coderange_7bit;
1312     int enc_coderange_unknown;
1313     VALUE (*static_id2sym)(ID id);
1314     long (*str_coderange_scan_restartable)(const char *s, const char *e, rb_encoding *enc, int *cr);
1315 } rb_parser_config_t;
1316
1317 #undef rb_encoding
1318 #undef OnigCodePoint
1319 #endif /* UNIVERSAL_PARSER */
1320
1321 RUBY_SYMBOL_EXPORT_BEGIN
1322 void rb_ruby_parser_free(void *ptr);
1323
1324 #ifdef UNIVERSAL_PARSER
1325 rb_parser_t *rb_ruby_parser_allocate(const rb_parser_config_t *config);
1326 rb_parser_t *rb_ruby_parser_new(const rb_parser_config_t *config);
1327 #endif
1328
1329 RUBY_SYMBOL_EXPORT_END
1330
1331 #endif /* RUBY_RUBYPARSER_H */