#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 #include #include #include /* end standard C headers. */ /* flex integer type definitions */ #ifndef FLEXINT_H # define FLEXINT_H /* C99 systems have . 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 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(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(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