comments.cc

Go to the documentation of this file.

#line 1 "comments.cc"
// No linting because it's generated code.
// FLUTTER_NOLINT: https://github.com/flutter/flutter/issues/167141
 
#line 5 "comments.cc"
 
#define YY_INT_ALIGNED short int
 
/* A lexical scanner generated by flex */
 
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 6
#define YY_FLEX_SUBMINOR_VERSION 4
#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#endif
 
/* First, we deal with  platform-specific or compiler-specific issues. */
 
/* begin standard C headers. */
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
/* end standard C headers. */
 
/* flex integer type definitions */
 
#ifndef FLEXINT_H
#define FLEXINT_H
 
/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
 
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
 
/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
 * if you want the limit (max/min) macros for int types.
 */
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS 1
#endif
 
#include <inttypes.h>
typedef int8_t flex_int8_t;
typedef uint8_t flex_uint8_t;
typedef int16_t flex_int16_t;
typedef uint16_t flex_uint16_t;
typedef int32_t flex_int32_t;
typedef uint32_t flex_uint32_t;
typedef uint64_t flex_uint64_t;
#else
typedef signed char flex_int8_t;
typedef short int flex_int16_t;
typedef int flex_int32_t;
typedef unsigned char flex_uint8_t;
typedef unsigned short int flex_uint16_t;
typedef unsigned int flex_uint32_t;
 
/* Limits of integral types. */
#ifndef INT8_MIN
#define INT8_MIN (-128)
#endif
#ifndef INT16_MIN
#define INT16_MIN (-32767 - 1)
#endif
#ifndef INT32_MIN
#define INT32_MIN (-2147483647 - 1)
#endif
#ifndef INT8_MAX
#define INT8_MAX (127)
#endif
#ifndef INT16_MAX
#define INT16_MAX (32767)
#endif
#ifndef INT32_MAX
#define INT32_MAX (2147483647)
#endif
#ifndef UINT8_MAX
#define UINT8_MAX (255U)
#endif
#ifndef UINT16_MAX
#define UINT16_MAX (65535U)
#endif
#ifndef UINT32_MAX
#define UINT32_MAX (4294967295U)
#endif
 
#ifndef SIZE_MAX
#define SIZE_MAX (~(size_t)0)
#endif
 
#endif /* ! C99 */
 
#endif /* ! FLEXINT_H */
 
/* begin standard C++ headers. */
 
/* TODO: this is always defined, so inline it */
#define yyconst const
 
#if defined(__GNUC__) && __GNUC__ >= 3
#define yynoreturn __attribute__((__noreturn__))
#else
#define yynoreturn
#endif
 
/* Returned upon end-of-file. */
#define YY_NULL 0
 
/* Promotes a possibly negative, possibly signed char to an
 *   integer in range [0..255] for use as an array index.
 */
#define YY_SC_TO_UI(c) ((YY_CHAR)(c))
 
/* An opaque pointer. */
#ifndef YY_TYPEDEF_YY_SCANNER_T
#define YY_TYPEDEF_YY_SCANNER_T
typedef void* yyscan_t;
#endif
 
/* For convenience, these vars (plus the bison vars far below)
   are macros in the reentrant scanner. */
#define yyin yyg->yyin_r
#define yyout yyg->yyout_r
#define yyextra yyg->yyextra_r
#define yyleng yyg->yyleng_r
#define yytext yyg->yytext_r
#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)
#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)
#define yy_flex_debug yyg->yy_flex_debug_r
 
/* Enter a start condition.  This macro really ought to take a parameter,
 * but we do it the disgusting crufty way forced on us by the ()-less
 * definition of BEGIN.
 */
#define BEGIN yyg->yy_start = 1 + 2 *
/* Translate the current start state into a value that can be later handed
 * to BEGIN to return to the state.  The YYSTATE alias is for lex
 * compatibility.
 */
#define YY_START ((yyg->yy_start - 1) / 2)
#define YYSTATE YY_START
/* Action number for EOF rule of a given start state. */
#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
/* Special action meaning "start processing a new file". */
#define YY_NEW_FILE yyrestart(yyin, yyscanner)
#define YY_END_OF_BUFFER_CHAR 0
 
/* Size of default input buffer. */
#ifndef YY_BUF_SIZE
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k.
 * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
 * Ditto for the __ia64__ case accordingly.
 */
#define YY_BUF_SIZE 32768
#else
#define YY_BUF_SIZE 16384
#endif /* __ia64__ */
#endif
 
/* The state buf must be large enough to hold one state per character in the
 * main buffer.
 */
#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
 
#ifndef YY_TYPEDEF_YY_BUFFER_STATE
#define YY_TYPEDEF_YY_BUFFER_STATE
typedef struct yy_buffer_state* YY_BUFFER_STATE;
#endif
 
#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
typedef size_t yy_size_t;
#endif
 
#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2
 
#define YY_LESS_LINENO(n)
#define YY_LINENO_REWIND_TO(ptr)
 
/* Return all but the first "n" matched characters back to the input stream. */
#define yyless(n)                                                     \
  do {                                                                \
    /* Undo effects of setting up yytext. */                          \
    int yyless_macro_arg = (n);                                       \
    YY_LESS_LINENO(yyless_macro_arg);                                 \
    *yy_cp = yyg->yy_hold_char;                                       \
    YY_RESTORE_YY_MORE_OFFSET                                         \
    yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
    YY_DO_BEFORE_ACTION; /* set up yytext again */                    \
  } while (0)
#define unput(c) yyunput(c, yyg->yytext_ptr, yyscanner)
 
#ifndef YY_STRUCT_YY_BUFFER_STATE
#define YY_STRUCT_YY_BUFFER_STATE
struct yy_buffer_state {
  FILE* yy_input_file;
 
  char* yy_ch_buf;  /* input buffer */
  char* yy_buf_pos; /* current position in input buffer */
 
  /* Size of input buffer in bytes, not including room for EOB
   * characters.
   */
  int yy_buf_size;
 
  /* Number of characters read into yy_ch_buf, not including EOB
   * characters.
   */
  yy_size_t yy_n_chars;
 
  /* Whether we "own" the buffer - i.e., we know we created it,
   * and can realloc() it to grow it, and should free() it to
   * delete it.
   */
  int yy_is_our_buffer;
 
  /* Whether this is an "interactive" input source; if so, and
   * if we're using stdio for input, then we want to use getc()
   * instead of fread(), to make sure we stop fetching input after
   * each newline.
   */
  int yy_is_interactive;
 
  /* Whether we're considered to be at the beginning of a line.
   * If so, '^' rules will be active on the next match, otherwise
   * not.
   */
  int yy_at_bol;
 
  int yy_bs_lineno; /**< The line count. */
  int yy_bs_column; /**< The column count. */
 
  /* Whether to try to fill the input buffer when we reach the
   * end of it.
   */
  int yy_fill_buffer;
 
  int yy_buffer_status;
 
#define YY_BUFFER_NEW 0
#define YY_BUFFER_NORMAL 1
  /* When an EOF's been seen but there's still some text to process
   * then we mark the buffer as YY_EOF_PENDING, to indicate that we
   * shouldn't try reading from the input source any more.  We might
   * still have a bunch of tokens to match, though, because of
   * possible backing-up.
   *
   * When we actually see the EOF, we change the status to "new"
   * (via yyrestart()), so that the user can continue scanning by
   * just pointing yyin at a new input file.
   */
#define YY_BUFFER_EOF_PENDING 2
};
#endif /* !YY_STRUCT_YY_BUFFER_STATE */
 
/* We provide macros for accessing buffer states in case in the
 * future we want to put the buffer states in a more general
 * "scanner state".
 *
 * Returns the top of the stack, or NULL.
 */
#define YY_CURRENT_BUFFER \
  (yyg->yy_buffer_stack ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] : NULL)
/* Same as previous macro, but useful when we know that the buffer stack is not
 * NULL or when we need an lvalue. For internal use only.
 */
#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]
 
void yyrestart(FILE* input_file, yyscan_t yyscanner);
void yy_switch_to_buffer(YY_BUFFER_STATE new_buffer, yyscan_t yyscanner);
YY_BUFFER_STATE yy_create_buffer(FILE* file, int size, yyscan_t yyscanner);
void yy_delete_buffer(YY_BUFFER_STATE b, yyscan_t yyscanner);
void yy_flush_buffer(YY_BUFFER_STATE b, yyscan_t yyscanner);
void yypush_buffer_state(YY_BUFFER_STATE new_buffer, yyscan_t yyscanner);
void yypop_buffer_state(yyscan_t yyscanner);
 
static void yyensure_buffer_stack(yyscan_t yyscanner);
static void yy_load_buffer_state(yyscan_t yyscanner);
static void yy_init_buffer(YY_BUFFER_STATE b, FILE* file, yyscan_t yyscanner);
#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER, yyscanner)
 
YY_BUFFER_STATE yy_scan_buffer(char* base, yy_size_t size, yyscan_t yyscanner);
YY_BUFFER_STATE yy_scan_string(const char* yy_str, yyscan_t yyscanner);
YY_BUFFER_STATE yy_scan_bytes(const char* bytes,
                              yy_size_t len,
                              yyscan_t yyscanner);
 
void* yyalloc(yy_size_t, yyscan_t yyscanner);
void* yyrealloc(void*, yy_size_t, yyscan_t yyscanner);
void yyfree(void*, yyscan_t yyscanner);
 
#define yy_new_buffer yy_create_buffer
#define yy_set_interactive(is_interactive)                        \
  {                                                               \
    if (!YY_CURRENT_BUFFER) {                                     \
      yyensure_buffer_stack(yyscanner);                           \
      YY_CURRENT_BUFFER_LVALUE =                                  \
          yy_create_buffer(yyin, YY_BUF_SIZE, yyscanner);         \
    }                                                             \
    YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
  }
#define yy_set_bol(at_bol)                                \
  {                                                       \
    if (!YY_CURRENT_BUFFER) {                             \
      yyensure_buffer_stack(yyscanner);                   \
      YY_CURRENT_BUFFER_LVALUE =                          \
          yy_create_buffer(yyin, YY_BUF_SIZE, yyscanner); \
    }                                                     \
    YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol;         \
  }
#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
 
/* Begin user sect3 */
 
#define yywrap(yyscanner) (/*CONSTCOND*/ 1)
#define YY_SKIP_YYWRAP
typedef flex_uint8_t YY_CHAR;
 
typedef int yy_state_type;
 
#define yytext_ptr yytext_r
 
static yy_state_type yy_get_previous_state(yyscan_t yyscanner);
static yy_state_type yy_try_NUL_trans(yy_state_type current_state,
                                      yyscan_t yyscanner);
static int yy_get_next_buffer(yyscan_t yyscanner);
static void yynoreturn yy_fatal_error(const char* msg, yyscan_t yyscanner);
 
/* Done after the current pattern has been matched and before the
 * corresponding action - sets up yytext.
 */
#define YY_DO_BEFORE_ACTION            \
  yyg->yytext_ptr = yy_bp;             \
  yyleng = (yy_size_t)(yy_cp - yy_bp); \
  yyg->yy_hold_char = *yy_cp;          \
  *yy_cp = '\0';                       \
  yyg->yy_c_buf_p = yy_cp;
#define YY_NUM_RULES 8
#define YY_END_OF_BUFFER 9
/* This struct is not used in this scanner,
   but its presence is necessary. */
struct yy_trans_info {
  flex_int32_t yy_verify;
  flex_int32_t yy_nxt;
};
static const flex_int16_t yy_accept[37] = {
    0, 0, 0, 0, 0, 0, 0, 9, 7, 7, 1, 7, 8, 4, 8, 6, 6, 0, 1,
    0, 1, 2, 0, 4, 0, 0, 0, 5, 0, 2, 2, 0, 3, 0, 5, 0, 0};
 
static const YY_CHAR yy_ec[256] = {
    0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 4, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 6, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1,
 
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1};
 
static const YY_CHAR yy_meta[7] = {0, 1, 1, 2, 1, 1, 3};
 
static const flex_int16_t yy_base[45] = {
    0,  0,  0,  4, 7, 18, 13, 14, 62, 11, 0,  13, 17, 62, 20,
    62, 25, 0,  0, 0, 0,  29, 5,  62, 0,  32, 0,  0,  0,  62,
    0,  35, 62, 2, 0, 0,  62, 40, 43, 46, 49, 52, 55, 58, 0};
 
static const flex_int16_t yy_def[45] = {
    0,  37, 37, 38, 38, 39, 39, 36, 36, 36, 40, 36, 41, 36, 41,
    36, 36, 9,  40, 11, 40, 36, 14, 36, 14, 42, 16, 43, 44, 36,
    21, 42, 36, 31, 43, 31, 0,  36, 36, 36, 36, 36, 36, 36, 36};
 
static const flex_int16_t yy_nxt[69] = {
    0,  36, 9,  27, 10, 36, 11, 13, 35, 14, 13, 22, 14, 17, 36, 18, 16, 19,
    21, 18, 23, 16, 24, 23, 36, 24, 25, 26, 36, 27, 36, 28, 29, 36, 30, 32,
    36, 33, 32, 36, 33, 8,  8,  8,  12, 12, 12, 15, 15, 15, 20, 36, 20, 22,
    22, 22, 31, 31, 31, 34, 36, 34, 7,  36, 36, 36, 36, 36, 36};
 
static const flex_int16_t yy_chk[69] = {
    0,  0,  2,  44, 2,  0,  2,  3,  33, 3,  4,  22, 4,  9,  7,  9, 6,  9,
    11, 11, 12, 5,  12, 14, 0,  14, 14, 16, 0,  16, 0,  16, 21, 0, 21, 25,
    0,  25, 31, 0,  31, 37, 37, 37, 38, 38, 38, 39, 39, 39, 40, 0, 40, 41,
    41, 41, 42, 42, 42, 43, 0,  43, 36, 36, 36, 36, 36, 36, 36};
 
/* The intent behind this definition is that it'll catch
 * any uses of REJECT which flex missed.
 */
#define REJECT reject_used_but_not_detected
#define yymore() yymore_used_but_not_detected
#define YY_MORE_ADJ 0
#define YY_RESTORE_YY_MORE_OFFSET
#line 1 "comments.l"
/**
 * Copyright 2013 The Flutter Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
/**
 * To regenerate comments.cc run:
 * flex -o comments.cc comments.l
 */
 
#line 20 "comments.l"
#include "flutter/tools/licenses_cpp/src/comments.h"
#include "flutter/tools/licenses_cpp/src/comments_util.h"
#pragma clang diagnostic ignored "-Wsign-compare"
#pragma clang diagnostic ignored "-Wunused-function"
#pragma clang diagnostic ignored "-Wunused-function"
typedef void* yyscan_t;
 
#include <string>
 
struct LexerContext {
  std::function<void(std::string_view)> callback;
  std::string buffer;
};
#line 471 "comments.cc"
 
#line 473 "comments.cc"
 
#define INITIAL 0
#define C_COMMENT 1
#define BLOCK 2
 
#ifndef YY_NO_UNISTD_H
/* Special case for "unistd.h", since it is non-ANSI. We include it way
 * down here because we want the user's section 1 to have been scanned first.
 * The user has a chance to override it with an option.
 */
#include <unistd.h>
#endif
 
#define YY_EXTRA_TYPE LexerContext*
 
/* Holds the entire state of the reentrant scanner. */
struct yyguts_t {
  /* User-defined. Not touched by flex. */
  YY_EXTRA_TYPE yyextra_r;
 
  /* The rest are the same as the globals declared in the non-reentrant scanner.
   */
  FILE *yyin_r, *yyout_r;
  size_t yy_buffer_stack_top;       /**< index of top of stack. */
  size_t yy_buffer_stack_max;       /**< capacity of stack. */
  YY_BUFFER_STATE* yy_buffer_stack; /**< Stack as an array. */
  char yy_hold_char;
  yy_size_t yy_n_chars;
  yy_size_t yyleng_r;
  char* yy_c_buf_p;
  int yy_init;
  int yy_start;
  int yy_did_buffer_switch_on_eof;
  int yy_start_stack_ptr;
  int yy_start_stack_depth;
  int* yy_start_stack;
  yy_state_type yy_last_accepting_state;
  char* yy_last_accepting_cpos;
 
  int yylineno_r;
  int yy_flex_debug_r;
 
  char* yytext_r;
  int yy_more_flag;
  int yy_more_len;
 
}; /* end struct yyguts_t */
 
static int yy_init_globals(yyscan_t yyscanner);
 
int yylex_init(yyscan_t* scanner);
 
int yylex_init_extra(YY_EXTRA_TYPE user_defined, yyscan_t* scanner);
 
/* Accessor methods to globals.
   These are made visible to non-reentrant scanners for convenience. */
 
int yylex_destroy(yyscan_t yyscanner);
 
int yyget_debug(yyscan_t yyscanner);
 
void yyset_debug(int debug_flag, yyscan_t yyscanner);
 
YY_EXTRA_TYPE yyget_extra(yyscan_t yyscanner);
 
void yyset_extra(YY_EXTRA_TYPE user_defined, yyscan_t yyscanner);
 
FILE* yyget_in(yyscan_t yyscanner);
 
void yyset_in(FILE* _in_str, yyscan_t yyscanner);
 
FILE* yyget_out(yyscan_t yyscanner);
 
void yyset_out(FILE* _out_str, yyscan_t yyscanner);
 
yy_size_t yyget_leng(yyscan_t yyscanner);
 
char* yyget_text(yyscan_t yyscanner);
 
int yyget_lineno(yyscan_t yyscanner);
 
void yyset_lineno(int _line_number, yyscan_t yyscanner);
 
int yyget_column(yyscan_t yyscanner);
 
void yyset_column(int _column_no, yyscan_t yyscanner);
 
/* Macros after this point can all be overridden by user definitions in
 * section 1.
 */
 
#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int yywrap(yyscan_t yyscanner);
#else
extern int yywrap(yyscan_t yyscanner);
#endif
#endif
 
#ifndef YY_NO_UNPUT
 
static void yyunput(int c, char* buf_ptr, yyscan_t yyscanner);
 
#endif
 
#ifndef yytext_ptr
static void yy_flex_strncpy(char*, const char*, int, yyscan_t yyscanner);
#endif
 
#ifdef YY_NEED_STRLEN
static int yy_flex_strlen(const char*, yyscan_t yyscanner);
#endif
 
#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int yyinput(yyscan_t yyscanner);
#else
static int input(yyscan_t yyscanner);
#endif
 
#endif
 
/* Amount of stuff to slurp up with each read. */
#ifndef YY_READ_BUF_SIZE
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k */
#define YY_READ_BUF_SIZE 16384
#else
#define YY_READ_BUF_SIZE 8192
#endif /* __ia64__ */
#endif
 
/* Copy whatever the last rule matched to the standard output. */
#ifndef ECHO
/* This used to be an fputs(), but since the string might contain NUL's,
 * we now use fwrite().
 */
#define ECHO                                        \
  do {                                              \
    if (fwrite(yytext, (size_t)yyleng, 1, yyout)) { \
    }                                               \
  } while (0)
#endif
 
/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
 * is returned in "result".
 */
#ifndef YY_INPUT
#define YY_INPUT(buf, result, max_size)                                     \
  if (YY_CURRENT_BUFFER_LVALUE->yy_is_interactive) {                        \
    int c = '*';                                                            \
    yy_size_t n;                                                            \
    for (n = 0; n < max_size && (c = getc(yyin)) != EOF && c != '\n'; ++n)  \
      buf[n] = (char)c;                                                     \
    if (c == '\n')                                                          \
      buf[n++] = (char)c;                                                   \
    if (c == EOF && ferror(yyin))                                           \
      YY_FATAL_ERROR("input in flex scanner failed");                       \
    result = n;                                                             \
  } else {                                                                  \
    errno = 0;                                                              \
    while ((result = (int)fread(buf, 1, (yy_size_t)max_size, yyin)) == 0 && \
           ferror(yyin)) {                                                  \
      if (errno != EINTR) {                                                 \
        YY_FATAL_ERROR("input in flex scanner failed");                     \
        break;                                                              \
      }                                                                     \
      errno = 0;                                                            \
      clearerr(yyin);                                                       \
    }                                                                       \
  }
 
#endif
 
/* No semi-colon after return; correct usage is to write "yyterminate();" -
 * we don't want an extra ';' after the "return" because that will cause
 * some compilers to complain about unreachable statements.
 */
#ifndef yyterminate
#define yyterminate() return YY_NULL
#endif
 
/* Number of entries by which start-condition stack grows. */
#ifndef YY_START_STACK_INCR
#define YY_START_STACK_INCR 25
#endif
 
/* Report a fatal error. */
#ifndef YY_FATAL_ERROR
#define YY_FATAL_ERROR(msg) yy_fatal_error(msg, yyscanner)
#endif
 
/* end tables serialization structures and prototypes */
 
/* Default declaration of generated scanner - a define so the user can
 * easily add parameters.
 */
#ifndef YY_DECL
#define YY_DECL_IS_OURS 1
 
extern int yylex(yyscan_t yyscanner);
 
#define YY_DECL int yylex(yyscan_t yyscanner)
#endif /* !YY_DECL */
 
/* Code executed at the beginning of each rule, after yytext and yyleng
 * have been set up.
 */
#ifndef YY_USER_ACTION
#define YY_USER_ACTION
#endif
 
/* Code executed at the end of each rule. */
#ifndef YY_BREAK
#define YY_BREAK /*LINTED*/ break;
#endif
 
#define YY_RULE_SETUP                                                   \
  if (yyleng > 0)                                                       \
    YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (yytext[yyleng - 1] == '\n'); \
  YY_USER_ACTION
 
/** The main scanner function which does all the work.
 */
YY_DECL {
  yy_state_type yy_current_state;
  char *yy_cp, *yy_bp;
  int yy_act;
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
 
  if (!yyg->yy_init) {
    yyg->yy_init = 1;
 
#ifdef YY_USER_INIT
    YY_USER_INIT;
#endif
 
    if (!yyg->yy_start)
      yyg->yy_start = 1; /* first start state */
 
    if (!yyin)
      yyin = stdin;
 
    if (!yyout)
      yyout = stdout;
 
    if (!YY_CURRENT_BUFFER) {
      yyensure_buffer_stack(yyscanner);
      YY_CURRENT_BUFFER_LVALUE = yy_create_buffer(yyin, YY_BUF_SIZE, yyscanner);
    }
 
    yy_load_buffer_state(yyscanner);
  }
 
  {
#line 40 "comments.l"
 
#line 738 "comments.cc"
 
    while (/*CONSTCOND*/ 1) /* loops until end-of-file is reached */
    {
      yy_cp = yyg->yy_c_buf_p;
 
      /* Support of yytext. */
      *yy_cp = yyg->yy_hold_char;
 
      /* yy_bp points to the position in yy_ch_buf of the start of
       * the current run.
       */
      yy_bp = yy_cp;
 
      yy_current_state = yyg->yy_start;
      yy_current_state += YY_AT_BOL();
    yy_match:
      do {
        YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
        if (yy_accept[yy_current_state]) {
          yyg->yy_last_accepting_state = yy_current_state;
          yyg->yy_last_accepting_cpos = yy_cp;
        }
        while (yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state) {
          yy_current_state = (int)yy_def[yy_current_state];
          if (yy_current_state >= 37)
            yy_c = yy_meta[yy_c];
        }
        yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
        ++yy_cp;
      } while (yy_base[yy_current_state] != 62);
 
    yy_find_action:
      yy_act = yy_accept[yy_current_state];
      if (yy_act == 0) { /* have to back up */
        yy_cp = yyg->yy_last_accepting_cpos;
        yy_current_state = yyg->yy_last_accepting_state;
        yy_act = yy_accept[yy_current_state];
      }
 
      YY_DO_BEFORE_ACTION;
 
    do_action: /* This label is used only to access EOF actions. */
 
      switch (yy_act) { /* beginning of action switch */
        case 0:         /* must back up */
          /* undo the effects of YY_DO_BEFORE_ACTION */
          *yy_cp = yyg->yy_hold_char;
          yy_cp = yyg->yy_last_accepting_cpos;
          yy_current_state = yyg->yy_last_accepting_state;
          goto yy_find_action;
 
        case 1:
          YY_RULE_SETUP
#line 41 "comments.l"
          {
            BEGIN(BLOCK);
            CommentsUtil::AddTrimLine(&yyextra->buffer, yytext, yyleng);
          }
          YY_BREAK
        case 2:
          /* rule 2 can match eol */
          YY_RULE_SETUP
#line 45 "comments.l"
          {
            BEGIN(C_COMMENT);
            if (!yyextra->buffer.empty()) {
              // If we go from a block to a c comment, add a newline between
              // them.
              yyextra->buffer.append("\n");
            }
          }
          YY_BREAK
 
        case 3:
          /* rule 3 can match eol */
          YY_RULE_SETUP
#line 54 "comments.l"
          {
            BEGIN(INITIAL);
            CommentsUtil::AddCEndTrimLine(&yyextra->buffer, yytext, yyleng - 2);
          }
          YY_BREAK
        case 4:
          /* rule 4 can match eol */
          YY_RULE_SETUP
#line 58 "comments.l"
          {
            CommentsUtil::AddCTrimLine(&yyextra->buffer, yytext, yyleng);
          }
          YY_BREAK
 
        case 5:
          /* rule 5 can match eol */
          YY_RULE_SETUP
#line 64 "comments.l"
          {
            yyextra->buffer.append("\n", 1);
            CommentsUtil::AddTrimLine(&yyextra->buffer, yytext + 1, yyleng - 1);
          }
          YY_BREAK
        case 6:
          /* rule 6 can match eol */
          YY_RULE_SETUP
#line 68 "comments.l"
          {
            BEGIN(INITIAL);
          }
          YY_BREAK
 
        case 7:
          /* rule 7 can match eol */
          YY_RULE_SETUP
#line 73 "comments.l"
          {
            if (!yyextra->buffer.empty()) {
              yyextra->callback(yyextra->buffer);
              yyextra->buffer.clear();
            }
          }
          YY_BREAK
        case 8:
          YY_RULE_SETUP
#line 79 "comments.l"
          ECHO;
          YY_BREAK
#line 870 "comments.cc"
        case YY_STATE_EOF(INITIAL):
        case YY_STATE_EOF(C_COMMENT):
        case YY_STATE_EOF(BLOCK):
          yyterminate();
 
        case YY_END_OF_BUFFER: {
          /* Amount of text matched not including the EOB char. */
          int yy_amount_of_matched_text = (int)(yy_cp - yyg->yytext_ptr) - 1;
 
          /* Undo the effects of YY_DO_BEFORE_ACTION. */
          *yy_cp = yyg->yy_hold_char;
          YY_RESTORE_YY_MORE_OFFSET
 
          if (YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW) {
            /* We're scanning a new file or input source.  It's
             * possible that this happened because the user
             * just pointed yyin at a new source and called
             * yylex().  If so, then we have to assure
             * consistency between YY_CURRENT_BUFFER and our
             * globals.  Here is the right place to do so, because
             * this is the first action (other than possibly a
             * back-up) that will match for the new input source.
             */
            yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
            YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
            YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
          }
 
          /* Note that here we test for yy_c_buf_p "<=" to the position
           * of the first EOB in the buffer, since yy_c_buf_p will
           * already have been incremented past the NUL character
           * (since all states make transitions on EOB to the
           * end-of-buffer state).  Contrast this with the test
           * in input().
           */
          if (yyg->yy_c_buf_p <=
              &YY_CURRENT_BUFFER_LVALUE
                   ->yy_ch_buf[yyg->yy_n_chars]) { /* This was really a NUL. */
            yy_state_type yy_next_state;
 
            yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text;
 
            yy_current_state = yy_get_previous_state(yyscanner);
 
            /* Okay, we're now positioned to make the NUL
             * transition.  We couldn't have
             * yy_get_previous_state() go ahead and do it
             * for us because it doesn't know how to deal
             * with the possibility of jamming (and we don't
             * want to build jamming into it because then it
             * will run more slowly).
             */
 
            yy_next_state = yy_try_NUL_trans(yy_current_state, yyscanner);
 
            yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
 
            if (yy_next_state) {
              /* Consume the NUL. */
              yy_cp = ++yyg->yy_c_buf_p;
              yy_current_state = yy_next_state;
              goto yy_match;
            }
 
            else {
              yy_cp = yyg->yy_c_buf_p;
              goto yy_find_action;
            }
          }
 
          else
            switch (yy_get_next_buffer(yyscanner)) {
              case EOB_ACT_END_OF_FILE: {
                yyg->yy_did_buffer_switch_on_eof = 0;
 
                if (yywrap(yyscanner)) {
                  /* Note: because we've taken care in
                   * yy_get_next_buffer() to have set up
                   * yytext, we can now set up
                   * yy_c_buf_p so that if some total
                   * hoser (like flex itself) wants to
                   * call the scanner after we return the
                   * YY_NULL, it'll still work - another
                   * YY_NULL will get returned.
                   */
                  yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ;
 
                  yy_act = YY_STATE_EOF(YY_START);
                  goto do_action;
                }
 
                else {
                  if (!yyg->yy_did_buffer_switch_on_eof)
                    YY_NEW_FILE;
                }
                break;
              }
 
              case EOB_ACT_CONTINUE_SCAN:
                yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text;
 
                yy_current_state = yy_get_previous_state(yyscanner);
 
                yy_cp = yyg->yy_c_buf_p;
                yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
                goto yy_match;
 
              case EOB_ACT_LAST_MATCH:
                yyg->yy_c_buf_p =
                    &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars];
 
                yy_current_state = yy_get_previous_state(yyscanner);
 
                yy_cp = yyg->yy_c_buf_p;
                yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
                goto yy_find_action;
            }
          break;
        }
 
        default:
          YY_FATAL_ERROR("fatal flex scanner internal error--no action found");
      } /* end of action switch */
    } /* end of scanning one token */
  } /* end of user's declarations */
} /* end of yylex */
 
/* yy_get_next_buffer - try to read in a new buffer
 *
 * Returns a code representing an action:
 *  EOB_ACT_LAST_MATCH -
 *  EOB_ACT_CONTINUE_SCAN - continue scanning from current position
 *  EOB_ACT_END_OF_FILE - end of file
 */
static int yy_get_next_buffer(yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  char* dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
  char* source = yyg->yytext_ptr;
  int number_to_move, i;
  int ret_val;
 
  if (yyg->yy_c_buf_p >
      &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1])
    YY_FATAL_ERROR("fatal flex scanner internal error--end of buffer missed");
 
  if (YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer ==
      0) { /* Don't try to fill the buffer, so this is an EOF. */
    if (yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1) {
      /* We matched a single character, the EOB, so
       * treat this as a final EOF.
       */
      return EOB_ACT_END_OF_FILE;
    }
 
    else {
      /* We matched some text prior to the EOB, first
       * process it.
       */
      return EOB_ACT_LAST_MATCH;
    }
  }
 
  /* Try to read more data. */
 
  /* First move last chars to start of buffer. */
  number_to_move = (int)(yyg->yy_c_buf_p - yyg->yytext_ptr - 1);
 
  for (i = 0; i < number_to_move; ++i)
    *(dest++) = *(source++);
 
  if (YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING)
    /* don't do the read, it's not guaranteed to return an EOF,
     * just force an EOF
     */
    YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0;
 
  else {
    yy_size_t num_to_read =
        YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
 
    while (num_to_read <= 0) { /* Not enough room in the buffer - grow it. */
 
      /* just a shorter name for the current buffer */
      YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE;
 
      int yy_c_buf_p_offset = (int)(yyg->yy_c_buf_p - b->yy_ch_buf);
 
      if (b->yy_is_our_buffer) {
        yy_size_t new_size = b->yy_buf_size * 2;
 
        if (new_size <= 0)
          b->yy_buf_size += b->yy_buf_size / 8;
        else
          b->yy_buf_size *= 2;
 
        b->yy_ch_buf = (char*)
            /* Include room in for 2 EOB chars. */
            yyrealloc((void*)b->yy_ch_buf, (yy_size_t)(b->yy_buf_size + 2),
                      yyscanner);
      } else
        /* Can't grow it, we don't own it. */
        b->yy_ch_buf = NULL;
 
      if (!b->yy_ch_buf)
        YY_FATAL_ERROR("fatal error - scanner input buffer overflow");
 
      yyg->yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
 
      num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
    }
 
    if (num_to_read > YY_READ_BUF_SIZE)
      num_to_read = YY_READ_BUF_SIZE;
 
    /* Read in more data. */
    YY_INPUT((&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
             yyg->yy_n_chars, num_to_read);
 
    YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
  }
 
  if (yyg->yy_n_chars == 0) {
    if (number_to_move == YY_MORE_ADJ) {
      ret_val = EOB_ACT_END_OF_FILE;
      yyrestart(yyin, yyscanner);
    }
 
    else {
      ret_val = EOB_ACT_LAST_MATCH;
      YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_EOF_PENDING;
    }
  }
 
  else
    ret_val = EOB_ACT_CONTINUE_SCAN;
 
  if ((yyg->yy_n_chars + number_to_move) >
      YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
    /* Extend the array by 50%, plus the number we really need. */
    yy_size_t new_size =
        yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1);
    YY_CURRENT_BUFFER_LVALUE->yy_ch_buf =
        (char*)yyrealloc((void*)YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,
                         (yy_size_t)new_size, yyscanner);
    if (!YY_CURRENT_BUFFER_LVALUE->yy_ch_buf)
      YY_FATAL_ERROR("out of dynamic memory in yy_get_next_buffer()");
    /* "- 2" to take care of EOB's */
    YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int)(new_size - 2);
  }
 
  yyg->yy_n_chars += number_to_move;
  YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR;
  YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] =
      YY_END_OF_BUFFER_CHAR;
 
  yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
 
  return ret_val;
}
 
/* yy_get_previous_state - get the state just before the EOB char was reached */
 
static yy_state_type yy_get_previous_state(yyscan_t yyscanner) {
  yy_state_type yy_current_state;
  char* yy_cp;
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
 
  yy_current_state = yyg->yy_start;
  yy_current_state += YY_AT_BOL();
 
  for (yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p;
       ++yy_cp) {
    YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
    if (yy_accept[yy_current_state]) {
      yyg->yy_last_accepting_state = yy_current_state;
      yyg->yy_last_accepting_cpos = yy_cp;
    }
    while (yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state) {
      yy_current_state = (int)yy_def[yy_current_state];
      if (yy_current_state >= 37)
        yy_c = yy_meta[yy_c];
    }
    yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
  }
 
  return yy_current_state;
}
 
/* yy_try_NUL_trans - try to make a transition on the NUL character
 *
 * synopsis
 *  next_state = yy_try_NUL_trans( current_state );
 */
static yy_state_type yy_try_NUL_trans(yy_state_type yy_current_state,
                                      yyscan_t yyscanner) {
  int yy_is_jam;
  struct yyguts_t* yyg = (struct yyguts_t*)
      yyscanner; /* This var may be unused depending upon options. */
  char* yy_cp = yyg->yy_c_buf_p;
 
  YY_CHAR yy_c = 1;
  if (yy_accept[yy_current_state]) {
    yyg->yy_last_accepting_state = yy_current_state;
    yyg->yy_last_accepting_cpos = yy_cp;
  }
  while (yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state) {
    yy_current_state = (int)yy_def[yy_current_state];
    if (yy_current_state >= 37)
      yy_c = yy_meta[yy_c];
  }
  yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
  yy_is_jam = (yy_current_state == 36);
 
  (void)yyg;
  return yy_is_jam ? 0 : yy_current_state;
}
 
#ifndef YY_NO_UNPUT
 
static void yyunput(int c, char* yy_bp, yyscan_t yyscanner) {
  char* yy_cp;
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
 
  yy_cp = yyg->yy_c_buf_p;
 
  /* undo effects of setting up yytext */
  *yy_cp = yyg->yy_hold_char;
 
  if (yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf +
                  2) { /* need to shift things up to make room */
    /* +2 for EOB chars. */
    yy_size_t number_to_move = yyg->yy_n_chars + 2;
    char* dest = &YY_CURRENT_BUFFER_LVALUE
                      ->yy_ch_buf[YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
    char* source = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
 
    while (source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf)
      *--dest = *--source;
 
    yy_cp += (int)(dest - source);
    yy_bp += (int)(dest - source);
    YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars =
        (int)YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
 
    if (yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2)
      YY_FATAL_ERROR("flex scanner push-back overflow");
  }
 
  *--yy_cp = (char)c;
 
  yyg->yytext_ptr = yy_bp;
  yyg->yy_hold_char = *yy_cp;
  yyg->yy_c_buf_p = yy_cp;
}
 
#endif
 
#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int yyinput(yyscan_t yyscanner)
#else
static int input(yyscan_t yyscanner)
#endif
 
{
  int c;
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
 
  *yyg->yy_c_buf_p = yyg->yy_hold_char;
 
  if (*yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR) {
    /* yy_c_buf_p now points to the character we want to return.
     * If this occurs *before* the EOB characters, then it's a
     * valid NUL; if not, then we've hit the end of the buffer.
     */
    if (yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars])
      /* This was really a NUL. */
      *yyg->yy_c_buf_p = '\0';
 
    else { /* need more input */
      yy_size_t offset = yyg->yy_c_buf_p - yyg->yytext_ptr;
      ++yyg->yy_c_buf_p;
 
      switch (yy_get_next_buffer(yyscanner)) {
        case EOB_ACT_LAST_MATCH:
          /* This happens because yy_g_n_b()
           * sees that we've accumulated a
           * token and flags that we need to
           * try matching the token before
           * proceeding.  But for input(),
           * there's no matching to consider.
           * So convert the EOB_ACT_LAST_MATCH
           * to EOB_ACT_END_OF_FILE.
           */
 
          /* Reset buffer status. */
          yyrestart(yyin, yyscanner);
 
          /*FALLTHROUGH*/
 
        case EOB_ACT_END_OF_FILE: {
          if (yywrap(yyscanner))
            return 0;
 
          if (!yyg->yy_did_buffer_switch_on_eof)
            YY_NEW_FILE;
#ifdef __cplusplus
          return yyinput(yyscanner);
#else
          return input(yyscanner);
#endif
        }
 
        case EOB_ACT_CONTINUE_SCAN:
          yyg->yy_c_buf_p = yyg->yytext_ptr + offset;
          break;
      }
    }
  }
 
  c = *(unsigned char*)yyg->yy_c_buf_p; /* cast for 8-bit char's */
  *yyg->yy_c_buf_p = '\0';              /* preserve yytext */
  yyg->yy_hold_char = *++yyg->yy_c_buf_p;
 
  YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n');
 
  return c;
}
#endif /* ifndef YY_NO_INPUT */
 
/** Immediately switch to a different input stream.
 * @param input_file A readable stream.
 * @param yyscanner The scanner object.
 * @note This function does not reset the start condition to @c INITIAL .
 */
void yyrestart(FILE* input_file, yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
 
  if (!YY_CURRENT_BUFFER) {
    yyensure_buffer_stack(yyscanner);
    YY_CURRENT_BUFFER_LVALUE = yy_create_buffer(yyin, YY_BUF_SIZE, yyscanner);
  }
 
  yy_init_buffer(YY_CURRENT_BUFFER, input_file, yyscanner);
  yy_load_buffer_state(yyscanner);
}
 
/** Switch to a different input buffer.
 * @param new_buffer The new input buffer.
 * @param yyscanner The scanner object.
 */
void yy_switch_to_buffer(YY_BUFFER_STATE new_buffer, yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
 
  /* TODO. We should be able to replace this entire function body
   * with
   *        yypop_buffer_state();
   *        yypush_buffer_state(new_buffer);
   */
  yyensure_buffer_stack(yyscanner);
  if (YY_CURRENT_BUFFER == new_buffer)
    return;
 
  if (YY_CURRENT_BUFFER) {
    /* Flush out information for old buffer. */
    *yyg->yy_c_buf_p = yyg->yy_hold_char;
    YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
    YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
  }
 
  YY_CURRENT_BUFFER_LVALUE = new_buffer;
  yy_load_buffer_state(yyscanner);
 
  /* We don't actually know whether we did this switch during
   * EOF (yywrap()) processing, but the only time this flag
   * is looked at is after yywrap() is called, so it's safe
   * to go ahead and always set it.
   */
  yyg->yy_did_buffer_switch_on_eof = 1;
}
 
static void yy_load_buffer_state(yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
  yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
  yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
  yyg->yy_hold_char = *yyg->yy_c_buf_p;
}
 
/** Allocate and initialize an input buffer state.
 * @param file A readable stream.
 * @param size The character buffer size in bytes. When in doubt, use @c
 * YY_BUF_SIZE.
 * @param yyscanner The scanner object.
 * @return the allocated buffer state.
 */
YY_BUFFER_STATE yy_create_buffer(FILE* file, int size, yyscan_t yyscanner) {
  YY_BUFFER_STATE b;
 
  b = (YY_BUFFER_STATE)yyalloc(sizeof(struct yy_buffer_state), yyscanner);
  if (!b)
    YY_FATAL_ERROR("out of dynamic memory in yy_create_buffer()");
 
  b->yy_buf_size = size;
 
  /* yy_ch_buf has to be 2 characters longer than the size given because
   * we need to put in 2 end-of-buffer characters.
   */
  b->yy_ch_buf = (char*)yyalloc((yy_size_t)(b->yy_buf_size + 2), yyscanner);
  if (!b->yy_ch_buf)
    YY_FATAL_ERROR("out of dynamic memory in yy_create_buffer()");
 
  b->yy_is_our_buffer = 1;
 
  yy_init_buffer(b, file, yyscanner);
 
  return b;
}
 
/** Destroy the buffer.
 * @param b a buffer created with yy_create_buffer()
 * @param yyscanner The scanner object.
 */
void yy_delete_buffer(YY_BUFFER_STATE b, yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
 
  if (!b)
    return;
 
  if (b == YY_CURRENT_BUFFER) /* Not sure if we should pop here. */
    YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE)0;
 
  if (b->yy_is_our_buffer)
    yyfree((void*)b->yy_ch_buf, yyscanner);
 
  yyfree((void*)b, yyscanner);
}
 
/* Initializes or reinitializes a buffer.
 * This function is sometimes called more than once on the same buffer,
 * such as during a yyrestart() or at EOF.
 */
static void yy_init_buffer(YY_BUFFER_STATE b, FILE* file, yyscan_t yyscanner)
 
{
  int oerrno = errno;
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
 
  yy_flush_buffer(b, yyscanner);
 
  b->yy_input_file = file;
  b->yy_fill_buffer = 1;
 
  /* If b is the current buffer, then yy_init_buffer was _probably_
   * called from yyrestart() or through yy_get_next_buffer.
   * In that case, we don't want to reset the lineno or column.
   */
  if (b != YY_CURRENT_BUFFER) {
    b->yy_bs_lineno = 1;
    b->yy_bs_column = 0;
  }
 
  b->yy_is_interactive = file ? (isatty(fileno(file)) > 0) : 0;
 
  errno = oerrno;
}
 
/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
 * @param yyscanner The scanner object.
 */
void yy_flush_buffer(YY_BUFFER_STATE b, yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  if (!b)
    return;
 
  b->yy_n_chars = 0;
 
  /* We always need two end-of-buffer characters.  The first causes
   * a transition to the end-of-buffer state.  The second causes
   * a jam in that state.
   */
  b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
  b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
 
  b->yy_buf_pos = &b->yy_ch_buf[0];
 
  b->yy_at_bol = 1;
  b->yy_buffer_status = YY_BUFFER_NEW;
 
  if (b == YY_CURRENT_BUFFER)
    yy_load_buffer_state(yyscanner);
}
 
/** Pushes the new state onto the stack. The new state becomes
 *  the current state. This function will allocate the stack
 *  if necessary.
 *  @param new_buffer The new state.
 *  @param yyscanner The scanner object.
 */
void yypush_buffer_state(YY_BUFFER_STATE new_buffer, yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  if (new_buffer == NULL)
    return;
 
  yyensure_buffer_stack(yyscanner);
 
  /* This block is copied from yy_switch_to_buffer. */
  if (YY_CURRENT_BUFFER) {
    /* Flush out information for old buffer. */
    *yyg->yy_c_buf_p = yyg->yy_hold_char;
    YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
    YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
  }
 
  /* Only push if top exists. Otherwise, replace top. */
  if (YY_CURRENT_BUFFER)
    yyg->yy_buffer_stack_top++;
  YY_CURRENT_BUFFER_LVALUE = new_buffer;
 
  /* copied from yy_switch_to_buffer. */
  yy_load_buffer_state(yyscanner);
  yyg->yy_did_buffer_switch_on_eof = 1;
}
 
/** Removes and deletes the top of the stack, if present.
 *  The next element becomes the new top.
 *  @param yyscanner The scanner object.
 */
void yypop_buffer_state(yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  if (!YY_CURRENT_BUFFER)
    return;
 
  yy_delete_buffer(YY_CURRENT_BUFFER, yyscanner);
  YY_CURRENT_BUFFER_LVALUE = NULL;
  if (yyg->yy_buffer_stack_top > 0)
    --yyg->yy_buffer_stack_top;
 
  if (YY_CURRENT_BUFFER) {
    yy_load_buffer_state(yyscanner);
    yyg->yy_did_buffer_switch_on_eof = 1;
  }
}
 
/* Allocates the stack if it does not exist.
 *  Guarantees space for at least one push.
 */
static void yyensure_buffer_stack(yyscan_t yyscanner) {
  yy_size_t num_to_alloc;
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
 
  if (!yyg->yy_buffer_stack) {
    /* First allocation is just for 2 elements, since we don't know if this
     * scanner will even need a stack. We use 2 instead of 1 to avoid an
     * immediate realloc on the next call.
     */
    num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */
    yyg->yy_buffer_stack = (struct yy_buffer_state**)yyalloc(
        num_to_alloc * sizeof(struct yy_buffer_state*), yyscanner);
    if (!yyg->yy_buffer_stack)
      YY_FATAL_ERROR("out of dynamic memory in yyensure_buffer_stack()");
 
    memset(yyg->yy_buffer_stack, 0,
           num_to_alloc * sizeof(struct yy_buffer_state*));
 
    yyg->yy_buffer_stack_max = num_to_alloc;
    yyg->yy_buffer_stack_top = 0;
    return;
  }
 
  if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1) {
    /* Increase the buffer to prepare for a possible push. */
    yy_size_t grow_size = 8 /* arbitrary grow size */;
 
    num_to_alloc = yyg->yy_buffer_stack_max + grow_size;
    yyg->yy_buffer_stack = (struct yy_buffer_state**)yyrealloc(
        yyg->yy_buffer_stack, num_to_alloc * sizeof(struct yy_buffer_state*),
        yyscanner);
    if (!yyg->yy_buffer_stack)
      YY_FATAL_ERROR("out of dynamic memory in yyensure_buffer_stack()");
 
    /* zero only the new slots.*/
    memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0,
           grow_size * sizeof(struct yy_buffer_state*));
    yyg->yy_buffer_stack_max = num_to_alloc;
  }
}
 
/** Setup the input buffer state to scan directly from a user-specified
 * character buffer.
 * @param base the character buffer
 * @param size the size in bytes of the character buffer
 * @param yyscanner The scanner object.
 * @return the newly allocated buffer state object.
 */
YY_BUFFER_STATE yy_scan_buffer(char* base, yy_size_t size, yyscan_t yyscanner) {
  YY_BUFFER_STATE b;
 
  if (size < 2 || base[size - 2] != YY_END_OF_BUFFER_CHAR ||
      base[size - 1] != YY_END_OF_BUFFER_CHAR)
    /* They forgot to leave room for the EOB's. */
    return NULL;
 
  b = (YY_BUFFER_STATE)yyalloc(sizeof(struct yy_buffer_state), yyscanner);
  if (!b)
    YY_FATAL_ERROR("out of dynamic memory in yy_scan_buffer()");
 
  b->yy_buf_size = (int)(size - 2); /* "- 2" to take care of EOB's */
  b->yy_buf_pos = b->yy_ch_buf = base;
  b->yy_is_our_buffer = 0;
  b->yy_input_file = NULL;
  b->yy_n_chars = b->yy_buf_size;
  b->yy_is_interactive = 0;
  b->yy_at_bol = 1;
  b->yy_fill_buffer = 0;
  b->yy_buffer_status = YY_BUFFER_NEW;
 
  yy_switch_to_buffer(b, yyscanner);
 
  return b;
}
 
/** Setup the input buffer state to scan a string. The next call to yylex() will
 * scan from a @e copy of @a str.
 * @param yystr a NUL-terminated string to scan
 * @param yyscanner The scanner object.
 * @return the newly allocated buffer state object.
 * @note If you want to scan bytes that may contain NUL values, then use
 *       yy_scan_bytes() instead.
 */
YY_BUFFER_STATE yy_scan_string(const char* yystr, yyscan_t yyscanner) {
  return yy_scan_bytes(yystr, (int)strlen(yystr), yyscanner);
}
 
/** Setup the input buffer state to scan the given bytes. The next call to
 * yylex() will scan from a @e copy of @a bytes.
 * @param yybytes the byte buffer to scan
 * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
 * @param yyscanner The scanner object.
 * @return the newly allocated buffer state object.
 */
YY_BUFFER_STATE yy_scan_bytes(const char* yybytes,
                              yy_size_t _yybytes_len,
                              yyscan_t yyscanner) {
  YY_BUFFER_STATE b;
  char* buf;
  yy_size_t n;
  yy_size_t i;
 
  /* Get memory for full buffer, including space for trailing EOB's. */
  n = (yy_size_t)(_yybytes_len + 2);
  buf = (char*)yyalloc(n, yyscanner);
  if (!buf)
    YY_FATAL_ERROR("out of dynamic memory in yy_scan_bytes()");
 
  for (i = 0; i < _yybytes_len; ++i)
    buf[i] = yybytes[i];
 
  buf[_yybytes_len] = buf[_yybytes_len + 1] = YY_END_OF_BUFFER_CHAR;
 
  b = yy_scan_buffer(buf, n, yyscanner);
  if (!b)
    YY_FATAL_ERROR("bad buffer in yy_scan_bytes()");
 
  /* It's okay to grow etc. this buffer, and we should throw it
   * away when we're done.
   */
  b->yy_is_our_buffer = 1;
 
  return b;
}
 
#ifndef YY_EXIT_FAILURE
#define YY_EXIT_FAILURE 2
#endif
 
static void yynoreturn yy_fatal_error(const char* msg, yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  (void)yyg;
  fprintf(stderr, "%s\n", msg);
  exit(YY_EXIT_FAILURE);
}
 
/* Redefine yyless() so it works in section 3 code. */
 
#undef yyless
#define yyless(n)                                \
  do {                                           \
    /* Undo effects of setting up yytext. */     \
    yy_size_t yyless_macro_arg = (n);            \
    YY_LESS_LINENO(yyless_macro_arg);            \
    yytext[yyleng] = yyg->yy_hold_char;          \
    yyg->yy_c_buf_p = yytext + yyless_macro_arg; \
    yyg->yy_hold_char = *yyg->yy_c_buf_p;        \
    *yyg->yy_c_buf_p = '\0';                     \
    yyleng = yyless_macro_arg;                   \
  } while (0)
 
/* Accessor  methods (get/set functions) to struct members. */
 
/** Get the user-defined data for this scanner.
 * @param yyscanner The scanner object.
 */
YY_EXTRA_TYPE yyget_extra(yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  return yyextra;
}
 
/** Get the current line number.
 * @param yyscanner The scanner object.
 */
int yyget_lineno(yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
 
  if (!YY_CURRENT_BUFFER)
    return 0;
 
  return yylineno;
}
 
/** Get the current column number.
 * @param yyscanner The scanner object.
 */
int yyget_column(yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
 
  if (!YY_CURRENT_BUFFER)
    return 0;
 
  return yycolumn;
}
 
/** Get the input stream.
 * @param yyscanner The scanner object.
 */
FILE* yyget_in(yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  return yyin;
}
 
/** Get the output stream.
 * @param yyscanner The scanner object.
 */
FILE* yyget_out(yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  return yyout;
}
 
/** Get the length of the current token.
 * @param yyscanner The scanner object.
 */
yy_size_t yyget_leng(yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  return yyleng;
}
 
/** Get the current token.
 * @param yyscanner The scanner object.
 */
 
char* yyget_text(yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  return yytext;
}
 
/** Set the user-defined data. This data is never touched by the scanner.
 * @param user_defined The data to be associated with this scanner.
 * @param yyscanner The scanner object.
 */
void yyset_extra(YY_EXTRA_TYPE user_defined, yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  yyextra = user_defined;
}
 
/** Set the current line number.
 * @param _line_number line number
 * @param yyscanner The scanner object.
 */
void yyset_lineno(int _line_number, yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
 
  /* lineno is only valid if an input buffer exists. */
  if (!YY_CURRENT_BUFFER)
    YY_FATAL_ERROR("yyset_lineno called with no buffer");
 
  yylineno = _line_number;
}
 
/** Set the current column.
 * @param _column_no column number
 * @param yyscanner The scanner object.
 */
void yyset_column(int _column_no, yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
 
  /* column is only valid if an input buffer exists. */
  if (!YY_CURRENT_BUFFER)
    YY_FATAL_ERROR("yyset_column called with no buffer");
 
  yycolumn = _column_no;
}
 
/** Set the input stream. This does not discard the current
 * input buffer.
 * @param _in_str A readable stream.
 * @param yyscanner The scanner object.
 * @see yy_switch_to_buffer
 */
void yyset_in(FILE* _in_str, yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  yyin = _in_str;
}
 
void yyset_out(FILE* _out_str, yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  yyout = _out_str;
}
 
int yyget_debug(yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  return yy_flex_debug;
}
 
void yyset_debug(int _bdebug, yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  yy_flex_debug = _bdebug;
}
 
/* Accessor methods for yylval and yylloc */
 
/* User-visible API */
 
/* yylex_init is special because it creates the scanner itself, so it is
 * the ONLY reentrant function that doesn't take the scanner as the last
 * argument. That's why we explicitly handle the declaration, instead of using
 * our macros.
 */
int yylex_init(yyscan_t* ptr_yy_globals) {
  if (ptr_yy_globals == NULL) {
    errno = EINVAL;
    return 1;
  }
 
  *ptr_yy_globals = (yyscan_t)yyalloc(sizeof(struct yyguts_t), NULL);
 
  if (*ptr_yy_globals == NULL) {
    errno = ENOMEM;
    return 1;
  }
 
  /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for
   * releases. */
  memset(*ptr_yy_globals, 0x00, sizeof(struct yyguts_t));
 
  return yy_init_globals(*ptr_yy_globals);
}
 
/* yylex_init_extra has the same functionality as yylex_init, but follows the
 * convention of taking the scanner as the last argument. Note however, that
 * this is a *pointer* to a scanner, as it will be allocated by this call (and
 * is the reason, too, why this function also must handle its own declaration).
 * The user defined value in the first argument will be available to yyalloc in
 * the yyextra field.
 */
int yylex_init_extra(YY_EXTRA_TYPE yy_user_defined, yyscan_t* ptr_yy_globals) {
  struct yyguts_t dummy_yyguts;
 
  yyset_extra(yy_user_defined, &dummy_yyguts);
 
  if (ptr_yy_globals == NULL) {
    errno = EINVAL;
    return 1;
  }
 
  *ptr_yy_globals = (yyscan_t)yyalloc(sizeof(struct yyguts_t), &dummy_yyguts);
 
  if (*ptr_yy_globals == NULL) {
    errno = ENOMEM;
    return 1;
  }
 
  /* By setting to 0xAA, we expose bugs in
  yy_init_globals. Leave at 0x00 for releases. */
  memset(*ptr_yy_globals, 0x00, sizeof(struct yyguts_t));
 
  yyset_extra(yy_user_defined, *ptr_yy_globals);
 
  return yy_init_globals(*ptr_yy_globals);
}
 
static int yy_init_globals(yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  /* Initialization is the same as for the non-reentrant scanner.
   * This function is called from yylex_destroy(), so don't allocate here.
   */
 
  yyg->yy_buffer_stack = NULL;
  yyg->yy_buffer_stack_top = 0;
  yyg->yy_buffer_stack_max = 0;
  yyg->yy_c_buf_p = NULL;
  yyg->yy_init = 0;
  yyg->yy_start = 0;
 
  yyg->yy_start_stack_ptr = 0;
  yyg->yy_start_stack_depth = 0;
  yyg->yy_start_stack = NULL;
 
/* Defined in main.c */
#ifdef YY_STDINIT
  yyin = stdin;
  yyout = stdout;
#else
  yyin = NULL;
  yyout = NULL;
#endif
 
  /* For future reference: Set errno on error, since we are called by
   * yylex_init()
   */
  return 0;
}
 
/* yylex_destroy is for both reentrant and non-reentrant scanners. */
int yylex_destroy(yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
 
  /* Pop the buffer stack, destroying each element. */
  while (YY_CURRENT_BUFFER) {
    yy_delete_buffer(YY_CURRENT_BUFFER, yyscanner);
    YY_CURRENT_BUFFER_LVALUE = NULL;
    yypop_buffer_state(yyscanner);
  }
 
  /* Destroy the stack itself. */
  yyfree(yyg->yy_buffer_stack, yyscanner);
  yyg->yy_buffer_stack = NULL;
 
  /* Destroy the start condition stack. */
  yyfree(yyg->yy_start_stack, yyscanner);
  yyg->yy_start_stack = NULL;
 
  /* Reset the globals. This is important in a non-reentrant scanner so the next
   * time yylex() is called, initialization will occur. */
  yy_init_globals(yyscanner);
 
  /* Destroy the main struct (reentrant only). */
  yyfree(yyscanner, yyscanner);
  yyscanner = NULL;
  return 0;
}
 
/*
 * Internal utility routines.
 */
 
#ifndef yytext_ptr
static void yy_flex_strncpy(char* s1,
                            const char* s2,
                            int n,
                            yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  (void)yyg;
 
  int i;
  for (i = 0; i < n; ++i)
    s1[i] = s2[i];
}
#endif
 
#ifdef YY_NEED_STRLEN
static int yy_flex_strlen(const char* s, yyscan_t yyscanner) {
  int n;
  for (n = 0; s[n]; ++n)
    ;
 
  return n;
}
#endif
 
void* yyalloc(yy_size_t size, yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  (void)yyg;
  return malloc(size);
}
 
void* yyrealloc(void* ptr, yy_size_t size, yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  (void)yyg;
 
  /* The cast to (char *) in the following accommodates both
   * implementations that use char* generic pointers, and those
   * that use void* generic pointers.  It works with the latter
   * because both ANSI C and C++ allow castless assignment from
   * any pointer type to void*, and deal with argument conversions
   * as though doing an assignment.
   */
  return realloc(ptr, size);
}
 
void yyfree(void* ptr, yyscan_t yyscanner) {
  struct yyguts_t* yyg = (struct yyguts_t*)yyscanner;
  (void)yyg;
  free((char*)ptr); /* see yyrealloc() for (char *) cast */
}
 
#define YYTABLES_NAME "yytables"
 
#line 79 "comments.l"
 
void IterateComments(const char* buffer,
                     size_t size,
                     std::function<void(std::string_view)> callback) {
  LexerContext context;
  context.buffer.reserve(4096);
  context.callback = std::move(callback);
  yyscan_t scanner;
  yylex_init_extra(&context, &scanner);
  YY_BUFFER_STATE yybuffer = yy_scan_bytes(buffer, size, scanner);
  yylex(scanner);
  if (!context.buffer.empty()) {
    context.callback(context.buffer);
  }
  yy_delete_buffer(yybuffer, scanner);
  yylex_destroy(scanner);
}