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#line 16 "preprocessor.l"
// GENERATED FILE - DO NOT EDIT.
// Generated by generate_parser.py from preprocessor.l
//
// Copyright 2019 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// preprocessor.l:
// Lexer for the OpenGL shading language preprocessor.
#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
#ifdef yy_create_buffer
# define pp_create_buffer_ALREADY_DEFINED
#else
# define yy_create_buffer pp_create_buffer
#endif
#ifdef yy_delete_buffer
# define pp_delete_buffer_ALREADY_DEFINED
#else
# define yy_delete_buffer pp_delete_buffer
#endif
#ifdef yy_scan_buffer
# define pp_scan_buffer_ALREADY_DEFINED
#else
# define yy_scan_buffer pp_scan_buffer
#endif
#ifdef yy_scan_string
# define pp_scan_string_ALREADY_DEFINED
#else
# define yy_scan_string pp_scan_string
#endif
#ifdef yy_scan_bytes
# define pp_scan_bytes_ALREADY_DEFINED
#else
# define yy_scan_bytes pp_scan_bytes
#endif
#ifdef yy_init_buffer
# define pp_init_buffer_ALREADY_DEFINED
#else
# define yy_init_buffer pp_init_buffer
#endif
#ifdef yy_flush_buffer
# define pp_flush_buffer_ALREADY_DEFINED
#else
# define yy_flush_buffer pp_flush_buffer
#endif
#ifdef yy_load_buffer_state
# define pp_load_buffer_state_ALREADY_DEFINED
#else
# define yy_load_buffer_state pp_load_buffer_state
#endif
#ifdef yy_switch_to_buffer
# define pp_switch_to_buffer_ALREADY_DEFINED
#else
# define yy_switch_to_buffer pp_switch_to_buffer
#endif
#ifdef yypush_buffer_state
# define pppush_buffer_state_ALREADY_DEFINED
#else
# define yypush_buffer_state pppush_buffer_state
#endif
#ifdef yypop_buffer_state
# define pppop_buffer_state_ALREADY_DEFINED
#else
# define yypop_buffer_state pppop_buffer_state
#endif
#ifdef yyensure_buffer_stack
# define ppensure_buffer_stack_ALREADY_DEFINED
#else
# define yyensure_buffer_stack ppensure_buffer_stack
#endif
#ifdef yylex
# define pplex_ALREADY_DEFINED
#else
# define yylex pplex
#endif
#ifdef yyrestart
# define pprestart_ALREADY_DEFINED
#else
# define yyrestart pprestart
#endif
#ifdef yylex_init
# define pplex_init_ALREADY_DEFINED
#else
# define yylex_init pplex_init
#endif
#ifdef yylex_init_extra
# define pplex_init_extra_ALREADY_DEFINED
#else
# define yylex_init_extra pplex_init_extra
#endif
#ifdef yylex_destroy
# define pplex_destroy_ALREADY_DEFINED
#else
# define yylex_destroy pplex_destroy
#endif
#ifdef yyget_debug
# define ppget_debug_ALREADY_DEFINED
#else
# define yyget_debug ppget_debug
#endif
#ifdef yyset_debug
# define ppset_debug_ALREADY_DEFINED
#else
# define yyset_debug ppset_debug
#endif
#ifdef yyget_extra
# define ppget_extra_ALREADY_DEFINED
#else
# define yyget_extra ppget_extra
#endif
#ifdef yyset_extra
# define ppset_extra_ALREADY_DEFINED
#else
# define yyset_extra ppset_extra
#endif
#ifdef yyget_in
# define ppget_in_ALREADY_DEFINED
#else
# define yyget_in ppget_in
#endif
#ifdef yyset_in
# define ppset_in_ALREADY_DEFINED
#else
# define yyset_in ppset_in
#endif
#ifdef yyget_out
# define ppget_out_ALREADY_DEFINED
#else
# define yyget_out ppget_out
#endif
#ifdef yyset_out
# define ppset_out_ALREADY_DEFINED
#else
# define yyset_out ppset_out
#endif
#ifdef yyget_leng
# define ppget_leng_ALREADY_DEFINED
#else
# define yyget_leng ppget_leng
#endif
#ifdef yyget_text
# define ppget_text_ALREADY_DEFINED
#else
# define yyget_text ppget_text
#endif
#ifdef yyget_lineno
# define ppget_lineno_ALREADY_DEFINED
#else
# define yyget_lineno ppget_lineno
#endif
#ifdef yyset_lineno
# define ppset_lineno_ALREADY_DEFINED
#else
# define yyset_lineno ppset_lineno
#endif
#ifdef yyget_column
# define ppget_column_ALREADY_DEFINED
#else
# define yyget_column ppget_column
#endif
#ifdef yyset_column
# define ppset_column_ALREADY_DEFINED
#else
# define yyset_column ppset_column
#endif
#ifdef yywrap
# define ppwrap_ALREADY_DEFINED
#else
# define yywrap ppwrap
#endif
#ifdef yyget_lval
# define ppget_lval_ALREADY_DEFINED
#else
# define yyget_lval ppget_lval
#endif
#ifdef yyset_lval
# define ppset_lval_ALREADY_DEFINED
#else
# define yyset_lval ppset_lval
#endif
#ifdef yyget_lloc
# define ppget_lloc_ALREADY_DEFINED
#else
# define yyget_lloc ppget_lloc
#endif
#ifdef yyset_lloc
# define ppset_lloc_ALREADY_DEFINED
#else
# define yyset_lloc ppset_lloc
#endif
#ifdef yyalloc
# define ppalloc_ALREADY_DEFINED
#else
# define yyalloc ppalloc
#endif
#ifdef yyrealloc
# define pprealloc_ALREADY_DEFINED
#else
# define yyrealloc pprealloc
#endif
#ifdef yyfree
# define ppfree_ALREADY_DEFINED
#else
# define yyfree ppfree
#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;
# 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.
*/
int 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, int 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 ppwrap(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 = (int)(yy_cp - yy_bp); \
yyg->yy_hold_char = *yy_cp; \
*yy_cp = '\0'; \
yyg->yy_c_buf_p = yy_cp;
#define YY_NUM_RULES 37
#define YY_END_OF_BUFFER 38
/* 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[95] = {
0, 0, 0, 0, 0, 38, 36, 34, 35, 35, 33, 7, 33, 33, 33, 33, 33, 33, 33, 33, 9, 9, 33, 33,
33, 8, 33, 33, 3, 5, 5, 4, 34, 35, 19, 27, 20, 30, 25, 12, 23, 13, 24, 10, 2, 1, 26, 10,
9, 11, 11, 11, 9, 11, 9, 9, 14, 16, 18, 17, 15, 8, 31, 21, 32, 22, 3, 5, 6, 11, 10, 11,
10, 1, 10, 11, 10, 0, 10, 9, 9, 9, 28, 29, 0, 10, 10, 10, 10, 9, 10, 10, 9, 10, 0
};
static const YY_CHAR yy_ec[256] = {
0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 2, 2, 4, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 5, 1, 6, 1, 7, 8, 1, 9, 9,
10, 11, 9, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 16, 17, 17, 9, 9, 18, 19, 20,
9, 1, 21, 21, 21, 21, 22, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 25, 24, 24, 26, 24, 24, 9, 1, 9, 27, 24, 1, 21, 21, 21, 21,
22, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 25, 24, 24, 26, 24,
24, 9, 28, 9, 9, 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[29] = {0, 1, 1, 2, 2, 1, 1, 1, 1, 1, 3, 1, 1, 4, 1,
5, 5, 5, 1, 1, 1, 5, 5, 5, 5, 5, 5, 1, 1};
static const flex_int16_t yy_base[100] = {
0, 0, 0, 26, 28, 133, 195, 130, 195, 128, 105, 195, 104, 25, 195, 100, 23,
27, 32, 31, 38, 50, 38, 93, 49, 0, 16, 51, 0, 195, 105, 87, 93, 195,
195, 195, 195, 195, 195, 195, 195, 195, 195, 67, 195, 0, 195, 81, 55, 84, 98,
110, 53, 61, 0, 52, 39, 195, 195, 195, 33, 0, 195, 195, 195, 195, 0, 195,
195, 113, 0, 126, 0, 0, 0, 133, 0, 56, 128, 0, 133, 0, 195, 195, 101,
141, 143, 145, 0, 15, 154, 195, 0, 195, 195, 177, 32, 182, 187, 189
};
static const flex_int16_t yy_def[100] = {
0, 94, 1, 95, 95, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94,
20, 94, 94, 94, 96, 94, 94, 97, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94,
94, 94, 94, 98, 94, 94, 20, 20, 49, 50, 50, 99, 21, 50, 94, 94, 94, 94, 94, 96, 94,
94, 94, 94, 97, 94, 94, 43, 43, 69, 69, 98, 47, 50, 50, 94, 51, 50, 99, 50, 94, 94,
94, 71, 75, 94, 50, 50, 94, 94, 50, 94, 0, 94, 94, 94, 94, 94
};
static const flex_int16_t yy_nxt[224] = {
0, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 21, 22, 23, 24, 25, 25,
25, 25, 25, 25, 26, 27, 29, 30, 29, 30, 36, 39, 62, 31, 61, 31, 41, 92, 44, 40, 63, 37, 45,
42, 43, 43, 43, 46, 47, 83, 48, 48, 49, 56, 57, 82, 50, 51, 50, 50, 52, 53, 54, 54, 54, 59,
60, 64, 87, 87, 87, 50, 55, 50, 81, 79, 65, 69, 50, 70, 70, 70, 50, 50, 50, 69, 71, 72, 69,
69, 69, 50, 32, 74, 74, 74, 49, 49,
68, 50, 75, 76, 50, 50, 50, 67, 50, 50, 50, 58, 50, 50, 50, 90, 90, 90, 38, 50, 77, 77, 35,
34, 78, 78, 78, 69, 69, 69, 33, 32, 94, 94, 69, 69, 84, 84, 94, 94, 85, 85, 85, 84, 84, 50,
94, 86, 86, 86, 88, 94, 94, 94, 94, 94, 50, 89, 50, 87, 87, 87, 94, 72, 94, 76, 94, 91, 90,
90, 90, 94, 94, 94, 94, 94, 93, 28, 28, 28, 28, 28, 66, 94, 94, 66, 66, 73, 94, 73, 73, 73,
80, 80, 5, 94, 94, 94, 94, 94,
94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94};
static const flex_int16_t yy_chk[224] = {
0, 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, 3, 3, 4, 4, 13, 16, 26, 3, 96, 4, 17, 89, 19, 16, 26, 13, 19,
17, 18, 18, 18, 19, 20, 60, 20, 20, 20, 22, 22, 56, 20, 20, 20, 20, 20, 20, 21, 21, 21, 24,
24, 27, 77, 77, 77, 53, 21, 21, 55, 52, 27, 43, 48, 43, 43, 43, 53, 53, 53, 43, 43, 43, 43,
43, 43, 47, 32, 47, 47, 47, 49, 49,
31, 47, 47, 47, 47, 47, 47, 30, 49, 49, 50, 23, 50, 50, 50, 84, 84, 84, 15, 50, 51, 51, 12,
10, 51, 51, 51, 69, 69, 69, 9, 7, 5, 0, 69, 69, 71, 71, 78, 78, 71, 71, 71, 75, 75, 80,
0, 75, 75, 75, 78, 85, 85, 86, 86, 0, 80, 80, 80, 87, 87, 87, 0, 85, 0, 86, 0, 87, 90,
90, 90, 0, 0, 0, 0, 0, 90, 95, 95, 95, 95, 95, 97, 0, 0, 97, 97, 98, 0, 98, 98, 98,
99, 99, 94, 94, 94, 94, 94, 94,
94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94};
/* 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
/*
//
// Copyright 2002 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
This file contains the Lex specification for GLSL ES preprocessor.
Based on Microsoft Visual Studio 2010 Preprocessor Grammar:
IF YOU MODIFY THIS FILE YOU ALSO NEED TO RUN scripts/run_code_generation.py
*/
#if defined(_MSC_VER)
# pragma warning(disable : 4005)
#endif
#include "compiler/preprocessor/Tokenizer.h"
#include "compiler/preprocessor/DiagnosticsBase.h"
#include "compiler/preprocessor/Token.h"
#if defined(__GNUC__)
// Triggered by the auto-generated yy_fatal_error function.
# pragma GCC diagnostic ignored "-Wmissing-noreturn"
#elif defined(_MSC_VER)
# pragma warning(disable : 4244)
#endif
#if defined(__clang__)
// Flex uses `/*FALLTHROUGH*/` instead of dedicated statements.
# pragma clang diagnostic ignored "-Wimplicit-fallthrough"
# if defined(__APPLE__)
// Older clang versions don't have -Wextra-semi-stmt, and detecting Apple clang versions is
// difficult because they use different yet overlapping version numbers vs. regular clang.
# pragma clang diagnostic ignored "-Wunknown-warning-option"
# endif
// Flex isn't semi-colon clean.
# pragma clang diagnostic ignored "-Wextra-semi-stmt"
# pragma clang diagnostic ignored "-Wunreachable-code"
#endif
// Workaround for flex using the register keyword, deprecated in C++11.
#ifdef __cplusplus
# if __cplusplus > 199711L
# define register
# endif
#endif
typedef std::string YYSTYPE;
typedef angle::pp::SourceLocation YYLTYPE;
// Use the unused yycolumn variable to track file (string) number.
#define yyfileno yycolumn
#define YY_USER_INIT \
do \
{ \
yyfileno = 0; \
yylineno = 1; \
yyextra->leadingSpace = false; \
yyextra->lineStart = true; \
} while (0);
#define YY_NO_INPUT
#define YY_USER_ACTION \
do \
{ \
angle::pp::Input *input = &yyextra->input; \
angle::pp::Input::Location *scanLoc = &yyextra->scanLoc; \
while ((scanLoc->sIndex < input->count()) && \
(scanLoc->cIndex >= input->length(scanLoc->sIndex))) \
{ \
scanLoc->cIndex -= input->length(scanLoc->sIndex++); \
++yyfileno; \
yylineno = 1; \
} \
yylloc->file = yyfileno; \
yylloc->line = yylineno; \
scanLoc->cIndex += yyleng; \
} while (0);
#define YY_INPUT(buf, result, maxSize) result = yyextra->input.read(buf, maxSize, &yylineno);
#define INITIAL 0
#define COMMENT 1
#define YY_EXTRA_TYPE angle::pp::Tokenizer::Context *
/* 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;
int yy_n_chars;
int 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;
YYSTYPE *yylval_r;
YYLTYPE *yylloc_r;
}; /* end struct yyguts_t */
static int yy_init_globals(yyscan_t yyscanner);
/* This must go here because YYSTYPE and YYLTYPE are included
* from bison output in section 1.*/
#define yylval yyg->yylval_r
#define yylloc yyg->yylloc_r
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);
int 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);
YYSTYPE *yyget_lval(yyscan_t yyscanner);
void yyset_lval(YYSTYPE *yylval_param, yyscan_t yyscanner);
YYLTYPE *yyget_lloc(yyscan_t yyscanner);
void yyset_lloc(YYLTYPE *yylloc_param, 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
#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 = '*'; \
int 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(YYSTYPE *yylval_param, YYLTYPE *yylloc_param, yyscan_t yyscanner);
# define YY_DECL int yylex(YYSTYPE *yylval_param, YYLTYPE *yylloc_param, 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 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;
yylval = yylval_param;
yylloc = yylloc_param;
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 comment */
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_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 >= 95)
yy_c = yy_meta[yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
++yy_cp;
} while (yy_current_state != 94);
yy_cp = yyg->yy_last_accepting_cpos;
yy_current_state = yyg->yy_last_accepting_state;
yy_find_action:
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
YY_BREAK
/* Block comment */
/* Line breaks are just counted - not returned. */
/* The comment is replaced by a single space. */
case 2:
YY_RULE_SETUP
{
BEGIN(COMMENT);
}
YY_BREAK
case 3:
YY_RULE_SETUP
YY_BREAK
case 4:
YY_RULE_SETUP
YY_BREAK
case 5:
/* rule 5 can match eol */
YY_RULE_SETUP
{
if (yylineno == INT_MAX)
{
*yylval = "Integer overflow on line number";
return angle::pp::Token::GOT_ERROR;
}
++yylineno;
}
YY_BREAK
case 6:
YY_RULE_SETUP
{
yyextra->leadingSpace = true;
BEGIN(INITIAL);
}
YY_BREAK
case 7:
YY_RULE_SETUP
{
// # is only valid at start of line for preprocessor directives.
yylval->assign(1, yytext[0]);
return yyextra->lineStart ? angle::pp::Token::PP_HASH
: angle::pp::Token::PP_OTHER;
}
YY_BREAK
case 8:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::IDENTIFIER;
}
YY_BREAK
case 9:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::CONST_INT;
}
YY_BREAK
case 10:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::CONST_FLOAT;
}
YY_BREAK
/* Anything that starts with a {DIGIT} or .{DIGIT} must be a number. */
/* Rule to catch all invalid integers and floats. */
case 11:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::PP_NUMBER;
}
YY_BREAK
case 12:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_INC;
}
YY_BREAK
case 13:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_DEC;
}
YY_BREAK
case 14:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_LEFT;
}
YY_BREAK
case 15:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_RIGHT;
}
YY_BREAK
case 16:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_LE;
}
YY_BREAK
case 17:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_GE;
}
YY_BREAK
case 18:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_EQ;
}
YY_BREAK
case 19:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_NE;
}
YY_BREAK
case 20:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_AND;
}
YY_BREAK
case 21:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_XOR;
}
YY_BREAK
case 22:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_OR;
}
YY_BREAK
case 23:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_ADD_ASSIGN;
}
YY_BREAK
case 24:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_SUB_ASSIGN;
}
YY_BREAK
case 25:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_MUL_ASSIGN;
}
YY_BREAK
case 26:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_DIV_ASSIGN;
}
YY_BREAK
case 27:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_MOD_ASSIGN;
}
YY_BREAK
case 28:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_LEFT_ASSIGN;
}
YY_BREAK
case 29:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_RIGHT_ASSIGN;
}
YY_BREAK
case 30:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_AND_ASSIGN;
}
YY_BREAK
case 31:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_XOR_ASSIGN;
}
YY_BREAK
case 32:
YY_RULE_SETUP
{
yylval->assign(yytext, yyleng);
return angle::pp::Token::OP_OR_ASSIGN;
}
YY_BREAK
case 33:
YY_RULE_SETUP
{
yylval->assign(1, yytext[0]);
return yytext[0];
}
YY_BREAK
case 34:
YY_RULE_SETUP
{
yyextra->leadingSpace = true;
}
YY_BREAK
case 35:
/* rule 35 can match eol */
YY_RULE_SETUP
{
if (yylineno == INT_MAX)
{
*yylval = "Integer overflow on line number";
return angle::pp::Token::GOT_ERROR;
}
++yylineno;
yylval->assign(1, '\n');
return '\n';
}
YY_BREAK
case 36:
YY_RULE_SETUP
{
yylval->assign(1, yytext[0]);
return angle::pp::Token::PP_OTHER;
}
YY_BREAK
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(COMMENT):
{
// YY_USER_ACTION is not invoked for handling EOF.
// Set the location for EOF token manually.
angle::pp::Input *input = &yyextra->input;
angle::pp::Input::Location *scanLoc = &yyextra->scanLoc;
yy_size_t sIndexMax = input->count() ? input->count() - 1 : 0;
if (scanLoc->sIndex != sIndexMax)
{
// We can only reach here if there are empty strings at the
// end of the input.
scanLoc->sIndex = sIndexMax;
scanLoc->cIndex = 0;
// FIXME: this is not 64-bit clean.
yyfileno = static_cast<int>(sIndexMax);
yylineno = 1;
}
yylloc->file = yyfileno;
yylloc->line = yylineno;
yylval->clear();
// Line number overflows fake EOFs to exit early, check for this case.
if (yylineno == INT_MAX)
{
yyextra->diagnostics->report(angle::pp::Diagnostics::PP_TOKENIZER_ERROR,
angle::pp::SourceLocation(yyfileno, yylineno),
"Integer overflow on line number");
}
else if (YY_START == COMMENT)
{
yyextra->diagnostics->report(angle::pp::Diagnostics::PP_EOF_IN_COMMENT,
angle::pp::SourceLocation(yyfileno, yylineno),
"EOF while in a comment");
}
yyterminate();
}
YY_BREAK
case 37:
YY_RULE_SETUP
ECHO;
YY_BREAK
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_last_accepting_cpos;
yy_current_state = yyg->yy_last_accepting_state;
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
{
int 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)
{
int 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_size_t ret = 0;
YY_INPUT((&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), ret, num_to_read);
yyg->yy_n_chars = static_cast<int>(ret);
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. */
int 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;
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 >= 95)
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 >= 95)
yy_c = yy_meta[yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
yy_is_jam = (yy_current_state == 94);
(void)yyg;
return yy_is_jam ? 0 : yy_current_state;
}
#ifndef YY_NO_UNPUT
#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 */
int offset = (int)(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;
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 = 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, int _yybytes_len, yyscan_t yyscanner)
{
YY_BUFFER_STATE b;
char *buf;
yy_size_t n;
int 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. */ \
int 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.
*/
int 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 */
YYSTYPE *yyget_lval(yyscan_t yyscanner)
{
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
return yylval;
}
void yyset_lval(YYSTYPE *yylval_param, yyscan_t yyscanner)
{
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
yylval = yylval_param;
}
YYLTYPE *yyget_lloc(yyscan_t yyscanner)
{
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
return yylloc;
}
void yyset_lloc(YYLTYPE *yylloc_param, yyscan_t yyscanner)
{
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
yylloc = yylloc_param;
}
/* 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"
namespace angle
{
namespace pp
{
Tokenizer::Tokenizer(Diagnostics *diagnostics) : mHandle(nullptr), mMaxTokenSize(256)
{
mContext.diagnostics = diagnostics;
}
Tokenizer::~Tokenizer()
{
destroyScanner();
}
bool Tokenizer::init(size_t count, const char *const string[], const int length[])
{
if ((count > 0) && (string == 0))
return false;
mContext.input = Input(count, string, length);
return initScanner();
}
void Tokenizer::setFileNumber(int file)
{
// We use column number as file number.
// See macro yyfileno.
yyset_column(file, mHandle);
}
void Tokenizer::setLineNumber(int line)
{
yyset_lineno(line, mHandle);
}
void Tokenizer::setMaxTokenSize(size_t maxTokenSize)
{
mMaxTokenSize = maxTokenSize;
}
void Tokenizer::lex(Token *token)
{
int tokenType = yylex(&token->text, &token->location, mHandle);
if (tokenType == Token::GOT_ERROR)
{
mContext.diagnostics->report(Diagnostics::PP_TOKENIZER_ERROR, token->location, token->text);
token->type = Token::LAST;
}
else
{
token->type = tokenType;
}
if (token->text.size() > mMaxTokenSize)
{
mContext.diagnostics->report(Diagnostics::PP_TOKEN_TOO_LONG, token->location, token->text);
token->text.erase(mMaxTokenSize);
}
token->flags = 0;
token->setAtStartOfLine(mContext.lineStart);
mContext.lineStart = token->type == '\n';
token->setHasLeadingSpace(mContext.leadingSpace);
mContext.leadingSpace = false;
}
bool Tokenizer::initScanner()
{
if ((mHandle == nullptr) && yylex_init_extra(&mContext, &mHandle))
return false;
yyrestart(0, mHandle);
return true;
}
void Tokenizer::destroyScanner()
{
if (mHandle == nullptr)
return;
yylex_destroy(mHandle);
mHandle = nullptr;
}
} // namespace pp
} // namespace angle