gcc/pretty-print.h

   1 /* Various declarations for language-independent pretty-print subroutines.
   2    Copyright (C) 2002-2024 Free Software Foundation, Inc.
   3    Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net>
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 3, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef GCC_PRETTY_PRINT_H
  22 #define GCC_PRETTY_PRINT_H
  23
  24 #include "obstack.h"
  25 #include "rich-location.h"
  26 #include "diagnostic-url.h"
  27
  28 /* Maximum number of format string arguments.  */
  29 #define PP_NL_ARGMAX   30
  30
  31 /* The type of a text to be formatted according a format specification
  32    along with a list of things.  */
  33 struct text_info
  34 {
  35   text_info () = default;
  36   text_info (const char *format_spec,
  37              va_list *args_ptr,
  38              int err_no,
  39              void **data = nullptr,
  40              rich_location *rich_loc = nullptr)
  41   : m_format_spec (format_spec),
  42     m_args_ptr (args_ptr),
  43     m_err_no (err_no),
  44     m_data (data),
  45     m_richloc (rich_loc)
  46   {
  47   }
  48
  49   void set_location (unsigned int idx, location_t loc,
  50                      enum range_display_kind range_display_kind);
  51   location_t get_location (unsigned int index_of_location) const;
  52
  53   const char *m_format_spec;
  54   va_list *m_args_ptr;
  55   int m_err_no;  /* for %m */
  56   void **m_data;
  57   rich_location *m_richloc;
  58 };
  59
  60 /* How often diagnostics are prefixed by their locations:
  61    o DIAGNOSTICS_SHOW_PREFIX_NEVER: never - not yet supported;
  62    o DIAGNOSTICS_SHOW_PREFIX_ONCE: emit only once;
  63    o DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE: emit each time a physical
  64    line is started.  */
  65 enum diagnostic_prefixing_rule_t
  66 {
  67   DIAGNOSTICS_SHOW_PREFIX_ONCE       = 0x0,
  68   DIAGNOSTICS_SHOW_PREFIX_NEVER      = 0x1,
  69   DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE = 0x2
  70 };
  71
  72 class quoting_info;
  73 class output_buffer;
  74 class urlifier;
  75
  76 /* The chunk_info data structure forms a stack of the results from the
  77    first phase of formatting (pp_format) which have not yet been
  78    output (pp_output_formatted_text).  A stack is necessary because
  79    the diagnostic starter may decide to generate its own output by way
  80    of the formatter.  */
  81 class chunk_info
  82 {
  83   friend class pretty_printer;
  84
  85 public:
  86   const char * const *get_args () const { return m_args; }
  87   quoting_info *get_quoting_info () const { return m_quotes; }
  88
  89   void append_formatted_chunk (const char *content);
  90
  91   void pop_from_output_buffer (output_buffer &buf);
  92
  93 private:
  94   void on_begin_quote (const output_buffer &buf,
  95                        unsigned chunk_idx,
  96                        const urlifier *urlifier);
  97
  98   void on_end_quote (pretty_printer *pp,
  99                      output_buffer &buf,
 100                      unsigned chunk_idx,
 101                      const urlifier *urlifier);
 102
 103   /* Pointer to previous chunk on the stack.  */
 104   chunk_info *m_prev;
 105
 106   /* Array of chunks to output.  Each chunk is a NUL-terminated string.
 107      In the first phase of formatting, even-numbered chunks are
 108      to be output verbatim, odd-numbered chunks are format specifiers.
 109      The second phase replaces all odd-numbered chunks with formatted
 110      text, and the third phase simply emits all the chunks in sequence
 111      with appropriate line-wrapping.  */
 112   const char *m_args[PP_NL_ARGMAX * 2];
 113
 114   /* If non-null, information on quoted text runs within the chunks
 115      for use by a urlifier.  */
 116   quoting_info *m_quotes;
 117 };
 118
 119 /* The output buffer datatype.  This is best seen as an abstract datatype
 120    whose fields should not be accessed directly by clients.  */
 121 class output_buffer
 122 {
 123 public:
 124   output_buffer ();
 125   ~output_buffer ();
 126
 127   /* Obstack where the text is built up.  */
 128   struct obstack formatted_obstack;
 129
 130   /* Obstack containing a chunked representation of the format
 131      specification plus arguments.  */
 132   struct obstack chunk_obstack;
 133
 134   /* Currently active obstack: one of the above two.  This is used so
 135      that the text formatters don't need to know which phase we're in.  */
 136   struct obstack *obstack;
 137
 138   /* Stack of chunk arrays.  These come from the chunk_obstack.  */
 139   chunk_info *cur_chunk_array;
 140
 141   /* Where to output formatted text.  */
 142   FILE *stream;
 143
 144   /* The amount of characters output so far.  */
 145   int line_length;
 146
 147   /* This must be large enough to hold any printed integer or
 148      floating-point value.  */
 149   char digit_buffer[128];
 150
 151   /* Nonzero means that text should be flushed when
 152      appropriate. Otherwise, text is buffered until either
 153      pp_really_flush or pp_clear_output_area are called.  */
 154   bool flush_p;
 155 };
 156
 157 /* Finishes constructing a NULL-terminated character string representing
 158    the buffered text.  */
 159 inline const char *
 160 output_buffer_formatted_text (output_buffer *buff)
 161 {
 162   obstack_1grow (buff->obstack, '\0');
 163   return (const char *) obstack_base (buff->obstack);
 164 }
 165
 166 /* Append to the output buffer a string specified by its
 167    STARTing character and LENGTH.  */
 168 inline void
 169 output_buffer_append_r (output_buffer *buff, const char *start, int length)
 170 {
 171   gcc_checking_assert (start);
 172   obstack_grow (buff->obstack, start, length);
 173   for (int i = 0; i < length; i++)
 174     if (start[i] == '\n')
 175       buff->line_length = 0;
 176     else
 177       buff->line_length++;
 178 }
 179
 180 /*  Return a pointer to the last character emitted in the
 181     output_buffer.  A NULL pointer means no character available.  */
 182 inline const char *
 183 output_buffer_last_position_in_text (const output_buffer *buff)
 184 {
 185   const char *p = NULL;
 186   struct obstack *text = buff->obstack;
 187
 188   if (obstack_base (text) != obstack_next_free (text))
 189     p = ((const char *) obstack_next_free (text)) - 1;
 190   return p;
 191 }
 192
 193
 194 /* The type of pretty-printer flags passed to clients.  */
 195 typedef unsigned int pp_flags;
 196
 197 enum pp_padding
 198 {
 199   pp_none, pp_before, pp_after
 200 };
 201
 202 /* Structure for switching in and out of verbatim mode in a convenient
 203    manner.  */
 204 struct pp_wrapping_mode_t
 205 {
 206   /* Current prefixing rule.  */
 207   diagnostic_prefixing_rule_t rule;
 208
 209   /* The ideal upper bound of number of characters per line, as suggested
 210      by front-end.  */
 211   int line_cutoff;
 212 };
 213
 214 /* The type of a hook that formats client-specific data onto a pretty_printer.
 215    A client-supplied formatter returns true if everything goes well,
 216    otherwise it returns false.  */
 217 typedef bool (*printer_fn) (pretty_printer *, text_info *, const char *,
 218                             int, bool, bool, bool, bool *, const char **);
 219
 220 /* Base class for an optional client-supplied object for doing additional
 221    processing between stages 2 and 3 of formatted printing.  */
 222 class format_postprocessor
 223 {
 224  public:
 225   virtual ~format_postprocessor () {}
 226   virtual format_postprocessor *clone() const = 0;
 227   virtual void handle (pretty_printer *) = 0;
 228 };
 229
 230 inline bool & pp_needs_newline (pretty_printer *pp);
 231
 232 /* True if PRETTY-PRINTER is in line-wrapping mode.  */
 233 #define pp_is_wrapping_line(PP) (pp_line_cutoff (PP) > 0)
 234
 235 inline output_buffer *&pp_buffer (pretty_printer *pp);
 236 inline output_buffer *pp_buffer (const pretty_printer *pp);
 237 inline const char *pp_get_prefix (const pretty_printer *pp);
 238 extern char *pp_take_prefix (pretty_printer *);
 239 extern void pp_destroy_prefix (pretty_printer *);
 240 inline int &pp_line_cutoff (pretty_printer *pp);
 241 inline diagnostic_prefixing_rule_t &pp_prefixing_rule (pretty_printer *pp);
 242 inline pp_wrapping_mode_t &pp_wrapping_mode (pretty_printer *pp);
 243 inline int & pp_indentation (pretty_printer *pp);
 244 inline bool & pp_translate_identifiers (pretty_printer *pp);
 245 inline bool & pp_show_color (pretty_printer *pp);
 246 inline printer_fn &pp_format_decoder (pretty_printer *pp);
 247 inline format_postprocessor *& pp_format_postprocessor (pretty_printer *pp);
 248
 249 class urlifier;
 250
 251 /* The data structure that contains the bare minimum required to do
 252    proper pretty-printing.  Clients may derive from this structure
 253    and add additional fields they need.  */
 254 class pretty_printer
 255 {
 256 public:
 257   friend inline output_buffer *&pp_buffer (pretty_printer *pp);
 258   friend inline output_buffer *pp_buffer (const pretty_printer *pp);
 259   friend inline const char *pp_get_prefix (const pretty_printer *pp);
 260   friend char *pp_take_prefix (pretty_printer *);
 261   friend void pp_destroy_prefix (pretty_printer *);
 262   friend inline int &pp_line_cutoff (pretty_printer *pp);
 263   friend inline diagnostic_prefixing_rule_t &
 264   pp_prefixing_rule (pretty_printer *pp);
 265   friend inline const diagnostic_prefixing_rule_t &
 266   pp_prefixing_rule (const pretty_printer *pp);
 267   friend inline pp_wrapping_mode_t &pp_wrapping_mode (pretty_printer *pp);
 268   friend bool & pp_needs_newline (pretty_printer *pp);
 269   friend int & pp_indentation (pretty_printer *pp);
 270   friend bool & pp_translate_identifiers (pretty_printer *pp);
 271   friend bool & pp_show_color (pretty_printer *pp);
 272   friend printer_fn &pp_format_decoder (pretty_printer *pp);
 273   friend format_postprocessor *& pp_format_postprocessor (pretty_printer *pp);
 274
 275   /* Default construct a pretty printer with specified
 276      maximum line length cut off limit.  */
 277   explicit pretty_printer (int = 0);
 278   explicit pretty_printer (const pretty_printer &other);
 279
 280   virtual ~pretty_printer ();
 281
 282   virtual pretty_printer *clone () const;
 283
 284   void set_output_stream (FILE *outfile)
 285   {
 286     m_buffer->stream = outfile;
 287   }
 288
 289   void set_prefix (char *prefix);
 290
 291   void emit_prefix ();
 292
 293   void format (text_info *text,
 294                const urlifier *urlifier);
 295
 296   void maybe_space ();
 297
 298   bool supports_urls_p () const { return m_url_format != URL_FORMAT_NONE; }
 299   diagnostic_url_format get_url_format () const { return m_url_format; }
 300   void set_url_format (diagnostic_url_format url_format)
 301   {
 302     m_url_format = url_format;
 303   }
 304
 305   void begin_url (const char *url);
 306   void end_url ();
 307
 308   /* Switch into verbatim mode and return the old mode.  */
 309   pp_wrapping_mode_t
 310   set_verbatim_wrapping ()
 311   {
 312     const pp_wrapping_mode_t oldmode = pp_wrapping_mode (this);
 313     pp_line_cutoff (this) = 0;
 314     pp_prefixing_rule (this) = DIAGNOSTICS_SHOW_PREFIX_NEVER;
 315     return oldmode;
 316   }
 317
 318   void set_padding (pp_padding padding) { m_padding = padding; }
 319   pp_padding get_padding () const { return m_padding; }
 320
 321   void clear_state ();
 322   void set_real_maximum_length ();
 323   int remaining_character_count_for_line ();
 324
 325 private:
 326   /* Where we print external representation of ENTITY.  */
 327   output_buffer *m_buffer;
 328
 329   /* The prefix for each new line.  If non-NULL, this is "owned" by the
 330      pretty_printer, and will eventually be free-ed.  */
 331   char *m_prefix;
 332
 333   /* Where to put whitespace around the entity being formatted.  */
 334   pp_padding m_padding;
 335
 336   /* The real upper bound of number of characters per line, taking into
 337      account the case of a very very looong prefix.  */
 338   int m_maximum_length;
 339
 340   /* Indentation count.  */
 341   int m_indent_skip;
 342
 343   /* Current wrapping mode.  */
 344   pp_wrapping_mode_t m_wrapping;
 345
 346   /* If non-NULL, this function formats a TEXT into the BUFFER.  When called,
 347      TEXT->format_spec points to a format code.  FORMAT_DECODER should call
 348      pp_string (and related functions) to add data to the BUFFER.
 349      FORMAT_DECODER can read arguments from *TEXT->args_pts using VA_ARG.
 350      If the BUFFER needs additional characters from the format string, it
 351      should advance the TEXT->format_spec as it goes.  When FORMAT_DECODER
 352      returns, TEXT->format_spec should point to the last character processed.
 353      The QUOTE and BUFFER_PTR are passed in, to allow for deferring-handling
 354      of format codes (e.g. %H and %I in the C++ frontend).  */
 355   printer_fn m_format_decoder;
 356
 357   /* If non-NULL, this is called by pp_format once after all format codes
 358      have been processed, to allow for client-specific postprocessing.
 359      This is used by the C++ frontend for handling the %H and %I
 360      format codes (which interract with each other).  */
 361   format_postprocessor *m_format_postprocessor;
 362
 363   /* Nonzero if current PREFIX was emitted at least once.  */
 364   bool m_emitted_prefix;
 365
 366   /* Nonzero means one should emit a newline before outputting anything.  */
 367   bool m_need_newline;
 368
 369   /* Nonzero means identifiers are translated to the locale character
 370      set on output.  */
 371   bool m_translate_identifiers;
 372
 373   /* Nonzero means that text should be colorized.  */
 374   bool m_show_color;
 375
 376   /* Whether URLs should be emitted, and which terminator to use.  */
 377   diagnostic_url_format m_url_format;
 378
 379   /* If true, then we've had a begin_url (nullptr), and so the
 380      next end_url should be a no-op.  */
 381   bool m_skipping_null_url;
 382 };
 383
 384 inline output_buffer *&
 385 pp_buffer (pretty_printer *pp)
 386 {
 387   return pp->m_buffer;
 388 }
 389
 390 inline output_buffer *
 391 pp_buffer (const pretty_printer *pp)
 392 {
 393   return pp->m_buffer;
 394 }
 395
 396 inline const char *
 397 pp_get_prefix (const pretty_printer *pp)
 398 {
 399   return pp->m_prefix;
 400 }
 401
 402 /* TRUE if a newline character needs to be added before further
 403    formatting.  */
 404 inline bool &
 405 pp_needs_newline (pretty_printer *pp)
 406 {
 407   return pp->m_need_newline;
 408 }
 409
 410 /* The amount of whitespace to be emitted when starting a new line.  */
 411 inline int &
 412 pp_indentation (pretty_printer *pp)
 413 {
 414   return pp->m_indent_skip;
 415 }
 416
 417 /* True if identifiers are translated to the locale character set on
 418    output.  */
 419 inline bool &
 420 pp_translate_identifiers (pretty_printer *pp)
 421 {
 422   return pp->m_translate_identifiers;
 423 }
 424
 425 /* True if colors should be shown.  */
 426 inline bool &
 427 pp_show_color (pretty_printer *pp)
 428 {
 429   return pp->m_show_color;
 430 }
 431
 432 inline printer_fn &
 433 pp_format_decoder (pretty_printer *pp)
 434 {
 435   return pp->m_format_decoder;
 436 }
 437
 438 inline format_postprocessor *&
 439 pp_format_postprocessor (pretty_printer *pp)
 440 {
 441   return pp->m_format_postprocessor;
 442 }
 443
 444 /* Maximum characters per line in automatic line wrapping mode.
 445    Zero means don't wrap lines.  */
 446 inline int &
 447 pp_line_cutoff (pretty_printer *pp)
 448 {
 449   return pp->m_wrapping.line_cutoff;
 450 }
 451
 452 /* Prefixing rule used in formatting a diagnostic message.  */
 453 inline diagnostic_prefixing_rule_t &
 454 pp_prefixing_rule (pretty_printer *pp)
 455 {
 456   return pp->m_wrapping.rule;
 457 }
 458 inline const diagnostic_prefixing_rule_t &
 459 pp_prefixing_rule (const pretty_printer *pp)
 460 {
 461   return pp->m_wrapping.rule;
 462 }
 463
 464 /* Get or set the wrapping mode as a single entity.  */
 465 inline pp_wrapping_mode_t &
 466 pp_wrapping_mode (pretty_printer *pp)
 467 {
 468   return pp->m_wrapping;
 469 }
 470
 471 #define pp_space(PP)            pp_character (PP, ' ')
 472 #define pp_left_paren(PP)       pp_character (PP, '(')
 473 #define pp_right_paren(PP)      pp_character (PP, ')')
 474 #define pp_left_bracket(PP)     pp_character (PP, '[')
 475 #define pp_right_bracket(PP)    pp_character (PP, ']')
 476 #define pp_left_brace(PP)       pp_character (PP, '{')
 477 #define pp_right_brace(PP)      pp_character (PP, '}')
 478 #define pp_semicolon(PP)        pp_character (PP, ';')
 479 #define pp_comma(PP)            pp_character (PP, ',')
 480 #define pp_dot(PP)              pp_character (PP, '.')
 481 #define pp_colon(PP)            pp_character (PP, ':')
 482 #define pp_colon_colon(PP)      pp_string (PP, "::")
 483 #define pp_arrow(PP)            pp_string (PP, "->")
 484 #define pp_equal(PP)            pp_character (PP, '=')
 485 #define pp_question(PP)         pp_character (PP, '?')
 486 #define pp_bar(PP)              pp_character (PP, '|')
 487 #define pp_bar_bar(PP)          pp_string (PP, "||")
 488 #define pp_carret(PP)           pp_character (PP, '^')
 489 #define pp_ampersand(PP)        pp_character (PP, '&')
 490 #define pp_ampersand_ampersand(PP) pp_string (PP, "&&")
 491 #define pp_less(PP)             pp_character (PP, '<')
 492 #define pp_less_equal(PP)       pp_string (PP, "<=")
 493 #define pp_greater(PP)          pp_character (PP, '>')
 494 #define pp_greater_equal(PP)    pp_string (PP, ">=")
 495 #define pp_plus(PP)             pp_character (PP, '+')
 496 #define pp_minus(PP)            pp_character (PP, '-')
 497 #define pp_star(PP)             pp_character (PP, '*')
 498 #define pp_slash(PP)            pp_character (PP, '/')
 499 #define pp_modulo(PP)           pp_character (PP, '%')
 500 #define pp_exclamation(PP)      pp_character (PP, '!')
 501 #define pp_complement(PP)       pp_character (PP, '~')
 502 #define pp_quote(PP)            pp_character (PP, '\'')
 503 #define pp_backquote(PP)        pp_character (PP, '`')
 504 #define pp_doublequote(PP)      pp_character (PP, '"')
 505 #define pp_underscore(PP)       pp_character (PP, '_')
 506 #define pp_maybe_newline_and_indent(PP, N) \
 507   if (pp_needs_newline (PP)) pp_newline_and_indent (PP, N)
 508 #define pp_scalar(PP, FORMAT, SCALAR)                         \
 509   do                                                          \
 510     {                                                         \
 511       sprintf (pp_buffer (PP)->digit_buffer, FORMAT, SCALAR); \
 512       pp_string (PP, pp_buffer (PP)->digit_buffer);           \
 513     }                                                         \
 514   while (0)
 515 #define pp_decimal_int(PP, I)  pp_scalar (PP, "%d", I)
 516 #define pp_unsigned_wide_integer(PP, I) \
 517    pp_scalar (PP, HOST_WIDE_INT_PRINT_UNSIGNED, (unsigned HOST_WIDE_INT) I)
 518 #define pp_vrange(PP, R)                                        \
 519   do                                                            \
 520     {                                                           \
 521       vrange_printer vrange_pp (PP);                            \
 522       (R)->accept (vrange_pp);                                  \
 523     }                                                           \
 524   while (0)
 525 #define pp_double(PP, F)       pp_scalar (PP, "%f", F)
 526 #define pp_pointer(PP, P)      pp_scalar (PP, "%p", P)
 527
 528 #define pp_identifier(PP, ID)  pp_string (PP, (pp_translate_identifiers (PP) \
 529                                           ? identifier_to_locale (ID)   \
 530                                           : (ID)))
 531
 532
 533 extern void pp_set_line_maximum_length (pretty_printer *, int);
 534 inline void pp_set_prefix (pretty_printer *pp, char *prefix)
 535 {
 536   pp->set_prefix (prefix);
 537 }
 538 extern void pp_clear_output_area (pretty_printer *);
 539 extern const char *pp_formatted_text (pretty_printer *);
 540 extern const char *pp_last_position_in_text (const pretty_printer *);
 541 inline void pp_emit_prefix (pretty_printer *pp)
 542 {
 543   pp->emit_prefix ();
 544 }
 545 extern void pp_append_text (pretty_printer *, const char *, const char *);
 546 extern void pp_newline_and_flush (pretty_printer *);
 547 extern void pp_newline_and_indent (pretty_printer *, int);
 548 extern void pp_separate_with (pretty_printer *, char);
 549
 550 /* If we haven't already defined a front-end-specific diagnostics
 551    style, use the generic one.  */
 552 #ifdef GCC_DIAG_STYLE
 553 #define GCC_PPDIAG_STYLE GCC_DIAG_STYLE
 554 #else
 555 #define GCC_PPDIAG_STYLE __gcc_diag__
 556 #endif
 557
 558 /* This header may be included before diagnostics-core.h, hence the duplicate
 559    definitions to allow for GCC-specific formats.  */
 560 #if GCC_VERSION >= 3005
 561 #define ATTRIBUTE_GCC_PPDIAG(m, n) __attribute__ ((__format__ (GCC_PPDIAG_STYLE, m ,n))) ATTRIBUTE_NONNULL(m)
 562 #else
 563 #define ATTRIBUTE_GCC_PPDIAG(m, n) ATTRIBUTE_NONNULL(m)
 564 #endif
 565 extern void pp_printf (pretty_printer *, const char *, ...)
 566      ATTRIBUTE_GCC_PPDIAG(2,3);
 567
 568 extern void pp_verbatim (pretty_printer *, const char *, ...)
 569      ATTRIBUTE_GCC_PPDIAG(2,3);
 570 extern void pp_flush (pretty_printer *);
 571 extern void pp_really_flush (pretty_printer *);
 572 inline void pp_format (pretty_printer *pp, text_info *text,
 573                        const urlifier *urlifier = nullptr)
 574 {
 575   pp->format (text, urlifier);
 576 }
 577 extern void pp_output_formatted_text (pretty_printer *,
 578                                       const urlifier * = nullptr);
 579 extern void pp_format_verbatim (pretty_printer *, text_info *);
 580
 581 extern void pp_indent (pretty_printer *);
 582 extern void pp_newline (pretty_printer *);
 583 extern void pp_character (pretty_printer *, int);
 584 extern void pp_string (pretty_printer *, const char *);
 585 extern void pp_unicode_character (pretty_printer *, unsigned);
 586
 587 extern void pp_write_text_to_stream (pretty_printer *);
 588 extern void pp_write_text_as_dot_label_to_stream (pretty_printer *, bool);
 589 extern void pp_write_text_as_html_like_dot_to_stream (pretty_printer *pp);
 590
 591 inline void pp_maybe_space (pretty_printer *pp)
 592 {
 593   pp->maybe_space ();
 594 }
 595
 596 extern void pp_begin_quote (pretty_printer *, bool);
 597 extern void pp_end_quote (pretty_printer *, bool);
 598
 599 inline void
 600 pp_begin_url (pretty_printer *pp, const char *url)
 601 {
 602   pp->begin_url (url);
 603 }
 604
 605 inline void
 606 pp_end_url (pretty_printer *pp)
 607 {
 608   pp->end_url ();
 609 }
 610
 611 /* Switch into verbatim mode and return the old mode.  */
 612 inline pp_wrapping_mode_t
 613 pp_set_verbatim_wrapping (pretty_printer *pp)
 614 {
 615   return pp->set_verbatim_wrapping ();
 616 }
 617
 618 extern const char *identifier_to_locale (const char *);
 619 extern void *(*identifier_to_locale_alloc) (size_t);
 620 extern void (*identifier_to_locale_free) (void *);
 621
 622 /* Print I to PP in decimal.  */
 623
 624 inline void
 625 pp_wide_integer (pretty_printer *pp, HOST_WIDE_INT i)
 626 {
 627   pp_scalar (pp, HOST_WIDE_INT_PRINT_DEC, i);
 628 }
 629
 630 inline void
 631 pp_wide_int (pretty_printer *pp, const wide_int_ref &w, signop sgn)
 632 {
 633   unsigned int len;
 634   print_dec_buf_size (w, sgn, &len);
 635   if (UNLIKELY (len > sizeof (pp_buffer (pp)->digit_buffer)))
 636     pp_wide_int_large (pp, w, sgn);
 637   else
 638     {
 639       print_dec (w, pp_buffer (pp)->digit_buffer, sgn);
 640       pp_string (pp, pp_buffer (pp)->digit_buffer);
 641     }
 642 }
 643
 644 template<unsigned int N, typename T>
 645 void pp_wide_integer (pretty_printer *pp, const poly_int<N, T> &);
 646
 647 #endif /* GCC_PRETTY_PRINT_H */