diff options
Diffstat (limited to 'gfx/angle/checkout/src/compiler/preprocessor/preprocessor_lex_autogen.cpp')
| -rw-r--r-- | gfx/angle/checkout/src/compiler/preprocessor/preprocessor_lex_autogen.cpp | 2626 |
1 files changed, 2626 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/compiler/preprocessor/preprocessor_lex_autogen.cpp b/gfx/angle/checkout/src/compiler/preprocessor/preprocessor_lex_autogen.cpp new file mode 100644 index 0000000000..190d53a47a --- /dev/null +++ b/gfx/angle/checkout/src/compiler/preprocessor/preprocessor_lex_autogen.cpp @@ -0,0 +1,2626 @@ +#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: +http://msdn.microsoft.com/en-us/library/2scxys89.aspx + +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 |