| #line 16 "./Tokenizer.l" |
| // |
| // Copyright (c) 2011-2014 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 is auto-generated by generate_parser.sh. DO NOT EDIT! |
| |
| |
| |
| #define YY_INT_ALIGNED short int |
| |
| /* A lexical scanner generated by flex */ |
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| #define FLEX_SCANNER |
| #define YY_FLEX_MAJOR_VERSION 2 |
| #define YY_FLEX_MINOR_VERSION 6 |
| #define YY_FLEX_SUBMINOR_VERSION 1 |
| #if YY_FLEX_SUBMINOR_VERSION > 0 |
| #define FLEX_BETA |
| #endif |
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| /* First, we deal with platform-specific or compiler-specific issues. */ |
| |
| /* begin standard C headers. */ |
| #include <stdio.h> |
| #include <string.h> |
| #include <errno.h> |
| #include <stdlib.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 |
| |
| #endif /* ! C99 */ |
| |
| #endif /* ! FLEXINT_H */ |
| |
| |
| |
| /* 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 unsigned |
| * integer for use as an array index. If the signed char is negative, |
| * we want to instead treat it as an 8-bit unsigned char, hence the |
| * double cast. |
| */ |
| #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) |
| |
| |
| |
| |
| |
| /* An opaque pointer. */ |
| #ifndef YY_TYPEDEF_YY_SCANNER_T |
| #define YY_TYPEDEF_YY_SCANNER_T |
| typedef void* yyscan_t; |
| #endif |
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| |
| /* 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 |
| |
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| |
| /* 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 pprestart(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 pprestart()), 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 pprestart (FILE *input_file ,yyscan_t yyscanner ); |
| void pp_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); |
| YY_BUFFER_STATE pp_create_buffer (FILE *file,int size ,yyscan_t yyscanner ); |
| void pp_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); |
| void pp_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); |
| void pppush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); |
| void pppop_buffer_state (yyscan_t yyscanner ); |
| |
| |
| static void ppensure_buffer_stack (yyscan_t yyscanner ); |
| static void pp_load_buffer_state (yyscan_t yyscanner ); |
| static void pp_init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner ); |
| |
| |
| |
| #define YY_FLUSH_BUFFER pp_flush_buffer(YY_CURRENT_BUFFER ,yyscanner) |
| |
| |
| YY_BUFFER_STATE pp_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner ); |
| YY_BUFFER_STATE pp_scan_string (yyconst char *yy_str ,yyscan_t yyscanner ); |
| YY_BUFFER_STATE pp_scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner ); |
| |
| |
| void *ppalloc (yy_size_t ,yyscan_t yyscanner ); |
| void *pprealloc (void *,yy_size_t ,yyscan_t yyscanner ); |
| void ppfree (void * ,yyscan_t yyscanner ); |
| |
| |
| #define yy_new_buffer pp_create_buffer |
| |
| |
| |
| #define yy_set_interactive(is_interactive) \ |
| { \ |
| if ( ! YY_CURRENT_BUFFER ){ \ |
| ppensure_buffer_stack (yyscanner); \ |
| YY_CURRENT_BUFFER_LVALUE = \ |
| pp_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 ){\ |
| ppensure_buffer_stack (yyscanner); \ |
| YY_CURRENT_BUFFER_LVALUE = \ |
| pp_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 unsigned char 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 (yyconst 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 38 |
| #define YY_END_OF_BUFFER 39 |
| /* 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 yyconst flex_int16_t yy_accept[98] = |
| { 0, |
| 0, 0, 0, 0, 39, 37, 34, 35, 35, 33, |
| 7, 33, 33, 33, 33, 33, 33, 33, 33, 9, |
| 9, 33, 33, 33, 8, 37, 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, 36, 36, 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 yyconst 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, 27, 9, 28, 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, 29, 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 yyconst YY_CHAR yy_meta[30] = |
| { 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, 1 |
| } ; |
| |
| static yyconst flex_uint16_t yy_base[103] = |
| { 0, |
| 0, 0, 27, 29, 137, 194, 133, 194, 117, 100, |
| 194, 98, 26, 194, 94, 24, 28, 33, 32, 39, |
| 51, 39, 80, 50, 0, 68, 25, 54, 0, 194, |
| 88, 71, 80, 194, 194, 194, 194, 194, 194, 194, |
| 194, 194, 194, 71, 194, 0, 194, 85, 55, 64, |
| 99, 111, 53, 105, 0, 50, 55, 194, 194, 194, |
| 40, 0, 194, 38, 194, 194, 194, 194, 0, 194, |
| 194, 117, 0, 130, 0, 0, 0, 137, 0, 88, |
| 113, 0, 131, 0, 194, 194, 143, 139, 152, 150, |
| 0, 13, 153, 194, 0, 194, 194, 176, 31, 181, |
| |
| 186, 188 |
| } ; |
| |
| static yyconst flex_int16_t yy_def[103] = |
| { 0, |
| 97, 1, 98, 98, 97, 97, 97, 97, 97, 97, |
| 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, |
| 20, 97, 97, 97, 99, 97, 97, 97, 100, 97, |
| 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, |
| 97, 97, 97, 97, 97, 101, 97, 97, 20, 20, |
| 50, 51, 51, 102, 21, 51, 97, 97, 97, 97, |
| 97, 99, 97, 97, 97, 97, 97, 97, 100, 97, |
| 97, 44, 44, 72, 72, 101, 48, 51, 51, 97, |
| 52, 51, 102, 51, 97, 97, 97, 74, 78, 97, |
| 51, 51, 97, 97, 51, 97, 0, 97, 97, 97, |
| |
| 97, 97 |
| } ; |
| |
| static yyconst flex_uint16_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, 28, 30, |
| 31, 30, 31, 37, 40, 62, 32, 95, 32, 42, |
| 63, 45, 41, 65, 38, 46, 43, 44, 44, 44, |
| 47, 48, 66, 49, 49, 50, 57, 58, 86, 51, |
| 52, 51, 51, 53, 54, 55, 55, 55, 60, 61, |
| 63, 64, 67, 85, 84, 56, 51, 82, 50, 50, |
| 51, 33, 68, 72, 71, 73, 73, 73, 51, 51, |
| 70, 72, 74, 75, 72, 72, 72, 51, 59, 77, |
| |
| 77, 77, 90, 90, 90, 51, 78, 79, 51, 51, |
| 51, 51, 39, 51, 51, 51, 36, 51, 35, 34, |
| 51, 80, 80, 97, 97, 81, 81, 81, 51, 51, |
| 51, 72, 72, 72, 33, 91, 97, 97, 72, 72, |
| 87, 87, 97, 51, 88, 88, 88, 87, 87, 97, |
| 97, 89, 89, 89, 51, 92, 51, 93, 93, 93, |
| 97, 75, 97, 97, 90, 90, 90, 93, 93, 93, |
| 97, 97, 94, 97, 79, 96, 29, 29, 29, 29, |
| 29, 69, 97, 97, 69, 69, 76, 97, 76, 76, |
| 76, 83, 83, 5, 97, 97, 97, 97, 97, 97, |
| |
| 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, |
| 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, |
| 97, 97, 97 |
| } ; |
| |
| static yyconst 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, 1, 3, |
| 3, 4, 4, 13, 16, 99, 3, 92, 4, 17, |
| 64, 19, 16, 27, 13, 19, 17, 18, 18, 18, |
| 19, 20, 27, 20, 20, 20, 22, 22, 61, 20, |
| 20, 20, 20, 20, 20, 21, 21, 21, 24, 24, |
| 26, 26, 28, 57, 56, 21, 21, 53, 50, 50, |
| 49, 33, 28, 44, 32, 44, 44, 44, 50, 50, |
| 31, 44, 44, 44, 44, 44, 44, 48, 23, 48, |
| |
| 48, 48, 80, 80, 80, 48, 48, 48, 48, 48, |
| 48, 51, 15, 51, 51, 51, 12, 54, 10, 9, |
| 51, 52, 52, 81, 81, 52, 52, 52, 54, 54, |
| 54, 72, 72, 72, 7, 81, 5, 0, 72, 72, |
| 74, 74, 0, 83, 74, 74, 74, 78, 78, 88, |
| 88, 78, 78, 78, 83, 83, 83, 87, 87, 87, |
| 0, 88, 89, 89, 90, 90, 90, 93, 93, 93, |
| 0, 0, 90, 0, 89, 93, 98, 98, 98, 98, |
| 98, 100, 0, 0, 100, 100, 101, 0, 101, 101, |
| 101, 102, 102, 97, 97, 97, 97, 97, 97, 97, |
| |
| 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, |
| 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, |
| 97, 97, 97 |
| } ; |
| |
| /* 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 (c) 2002-2014 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 generate_parser.sh. |
| */ |
| |
| #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 |
| |
| // 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 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_USER_ACTION \ |
| do \ |
| { \ |
| pp::Input* input = &yyextra->input; \ |
| 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 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 pplex_init (yyscan_t* scanner); |
| |
| int pplex_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 pplex_destroy (yyscan_t yyscanner ); |
| |
| |
| |
| int ppget_debug (yyscan_t yyscanner ); |
| |
| |
| |
| void ppset_debug (int debug_flag ,yyscan_t yyscanner ); |
| |
| |
| |
| YY_EXTRA_TYPE ppget_extra (yyscan_t yyscanner ); |
| |
| |
| |
| void ppset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner ); |
| |
| |
| |
| FILE *ppget_in (yyscan_t yyscanner ); |
| |
| |
| |
| void ppset_in (FILE * _in_str ,yyscan_t yyscanner ); |
| |
| |
| |
| FILE *ppget_out (yyscan_t yyscanner ); |
| |
| |
| |
| void ppset_out (FILE * _out_str ,yyscan_t yyscanner ); |
| |
| |
| |
| int ppget_leng (yyscan_t yyscanner ); |
| |
| |
| |
| char *ppget_text (yyscan_t yyscanner ); |
| |
| |
| |
| int ppget_lineno (yyscan_t yyscanner ); |
| |
| |
| |
| void ppset_lineno (int _line_number ,yyscan_t yyscanner ); |
| |
| |
| |
| |
| int ppget_column (yyscan_t yyscanner ); |
| |
| |
| |
| |
| |
| void ppset_column (int _column_no ,yyscan_t yyscanner ); |
| |
| |
| |
| |
| YYSTYPE * ppget_lval (yyscan_t yyscanner ); |
| |
| |
| void ppset_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner ); |
| |
| |
| |
| YYLTYPE *ppget_lloc (yyscan_t yyscanner ); |
| |
| |
| |
| void ppset_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 ppwrap (yyscan_t yyscanner ); |
| #else |
| extern int ppwrap (yyscan_t yyscanner ); |
| #endif |
| #endif |
| |
| |
| #ifndef YY_NO_UNPUT |
| |
| #endif |
| |
| |
| #ifndef yytext_ptr |
| static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner); |
| #endif |
| |
| #ifdef YY_NEED_STRLEN |
| static int yy_flex_strlen (yyconst 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 = '*'; \ |
| size_t n; \ |
| for ( n = 0; n < max_size && \ |
| (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ |
| buf[n] = (char) c; \ |
| if ( c == '\n' ) \ |
| buf[n++] = (char) c; \ |
| if ( c == EOF && ferror( yyin ) ) \ |
| YY_FATAL_ERROR( "input in flex scanner failed" ); \ |
| result = n; \ |
| } \ |
| else \ |
| { \ |
| errno=0; \ |
| while ( (result = (int) fread(buf, 1, 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 pplex \ |
| (YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner); |
| |
| #define YY_DECL int pplex \ |
| (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 ) { |
| ppensure_buffer_stack (yyscanner); |
| YY_CURRENT_BUFFER_LVALUE = |
| pp_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); |
| } |
| |
| pp_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 >= 98 ) |
| yy_c = yy_meta[(unsigned int) yy_c]; |
| } |
| yy_current_state = yy_nxt[yy_base[yy_current_state] + (flex_int16_t) yy_c]; |
| ++yy_cp; |
| } |
| while ( yy_current_state != 97 ); |
| 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 |
| { ++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 ? pp::Token::PP_HASH : pp::Token::PP_OTHER; |
| } |
| YY_BREAK |
| case 8: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::IDENTIFIER; |
| } |
| YY_BREAK |
| case 9: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::CONST_INT; |
| } |
| YY_BREAK |
| case 10: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return 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 pp::Token::PP_NUMBER; |
| } |
| YY_BREAK |
| case 12: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_INC; |
| } |
| YY_BREAK |
| case 13: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_DEC; |
| } |
| YY_BREAK |
| case 14: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_LEFT; |
| } |
| YY_BREAK |
| case 15: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_RIGHT; |
| } |
| YY_BREAK |
| case 16: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_LE; |
| } |
| YY_BREAK |
| case 17: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_GE; |
| } |
| YY_BREAK |
| case 18: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_EQ; |
| } |
| YY_BREAK |
| case 19: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_NE; |
| } |
| YY_BREAK |
| case 20: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_AND; |
| } |
| YY_BREAK |
| case 21: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_XOR; |
| } |
| YY_BREAK |
| case 22: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_OR; |
| } |
| YY_BREAK |
| case 23: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_ADD_ASSIGN; |
| } |
| YY_BREAK |
| case 24: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_SUB_ASSIGN; |
| } |
| YY_BREAK |
| case 25: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_MUL_ASSIGN; |
| } |
| YY_BREAK |
| case 26: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_DIV_ASSIGN; |
| } |
| YY_BREAK |
| case 27: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_MOD_ASSIGN; |
| } |
| YY_BREAK |
| case 28: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_LEFT_ASSIGN; |
| } |
| YY_BREAK |
| case 29: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_RIGHT_ASSIGN; |
| } |
| YY_BREAK |
| case 30: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_AND_ASSIGN; |
| } |
| YY_BREAK |
| case 31: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return pp::Token::OP_XOR_ASSIGN; |
| } |
| YY_BREAK |
| case 32: |
| YY_RULE_SETUP |
| { |
| yylval->assign(yytext, yyleng); |
| return 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 |
| { |
| ++yylineno; |
| yylval->assign(1, '\n'); |
| return '\n'; |
| } |
| YY_BREAK |
| case 36: |
| /* rule 36 can match eol */ |
| YY_RULE_SETUP |
| { ++yylineno; } |
| YY_BREAK |
| case 37: |
| YY_RULE_SETUP |
| { |
| yylval->assign(1, yytext[0]); |
| return 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. |
| pp::Input* input = &yyextra->input; |
| 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(); |
| |
| if (YY_START == COMMENT) |
| { |
| yyextra->diagnostics->report(pp::Diagnostics::PP_EOF_IN_COMMENT, |
| pp::SourceLocation(yyfileno, yylineno), |
| ""); |
| } |
| yyterminate(); |
| } |
| YY_BREAK |
| case 38: |
| 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 |
| * pplex(). 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 ( ppwrap(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 pplex */ |
| |
| |
| |
| |
| |
| |
| /* 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; |
| yy_size_t 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 = (yy_size_t) (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 = |
| static_cast<int>(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. */ |
| pprealloc((void *) b->yy_ch_buf,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 = static_cast<int>(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; |
| pprestart(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 ((int) (yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { |
| /* Extend the array by 50%, plus the number we really need. */ |
| yy_size_t new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1); |
| YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) pprealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ,yyscanner ); |
| if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) |
| YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); |
| } |
| |
| yyg->yy_n_chars += static_cast<int>(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 >= 98 ) |
| yy_c = yy_meta[(unsigned int) yy_c]; |
| } |
| yy_current_state = yy_nxt[yy_base[yy_current_state] + (flex_int16_t) 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 >= 98 ) |
| yy_c = yy_meta[(unsigned int) yy_c]; |
| } |
| yy_current_state = yy_nxt[yy_base[yy_current_state] + (flex_int16_t) yy_c]; |
| yy_is_jam = (yy_current_state == 97); |
| |
| (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 = 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. */ |
| pprestart(yyin ,yyscanner); |
| |
| /*FALLTHROUGH*/ |
| |
| case EOB_ACT_END_OF_FILE: |
| { |
| if ( ppwrap(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 pprestart (FILE * input_file , yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| |
| if ( ! YY_CURRENT_BUFFER ){ |
| ppensure_buffer_stack (yyscanner); |
| YY_CURRENT_BUFFER_LVALUE = |
| pp_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); |
| } |
| |
| pp_init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner); |
| pp_load_buffer_state(yyscanner ); |
| } |
| |
| |
| /** Switch to a different input buffer. |
| * @param new_buffer The new input buffer. |
| * @param yyscanner The scanner object. |
| */ |
| void pp_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 |
| * pppop_buffer_state(); |
| * pppush_buffer_state(new_buffer); |
| */ |
| ppensure_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; |
| pp_load_buffer_state(yyscanner ); |
| |
| /* We don't actually know whether we did this switch during |
| * EOF (ppwrap()) processing, but the only time this flag |
| * is looked at is after ppwrap() is called, so it's safe |
| * to go ahead and always set it. |
| */ |
| yyg->yy_did_buffer_switch_on_eof = 1; |
| } |
| |
| |
| static void pp_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 pp_create_buffer (FILE * file, int size , yyscan_t yyscanner) |
| { |
| YY_BUFFER_STATE b; |
| |
| b = (YY_BUFFER_STATE) ppalloc(sizeof( struct yy_buffer_state ) ,yyscanner ); |
| if ( ! b ) |
| YY_FATAL_ERROR( "out of dynamic memory in pp_create_buffer()" ); |
| |
| b->yy_buf_size = (yy_size_t)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 *) ppalloc(b->yy_buf_size + 2 ,yyscanner ); |
| if ( ! b->yy_ch_buf ) |
| YY_FATAL_ERROR( "out of dynamic memory in pp_create_buffer()" ); |
| |
| b->yy_is_our_buffer = 1; |
| |
| pp_init_buffer(b,file ,yyscanner); |
| |
| return b; |
| } |
| |
| |
| /** Destroy the buffer. |
| * @param b a buffer created with pp_create_buffer() |
| * @param yyscanner The scanner object. |
| */ |
| void pp_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 ) |
| ppfree((void *) b->yy_ch_buf ,yyscanner ); |
| |
| ppfree((void *) b ,yyscanner ); |
| } |
| |
| |
| /* Initializes or reinitializes a buffer. |
| * This function is sometimes called more than once on the same buffer, |
| * such as during a pprestart() or at EOF. |
| */ |
| static void pp_init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner) |
| |
| { |
| int oerrno = errno; |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| |
| pp_flush_buffer(b ,yyscanner); |
| |
| b->yy_input_file = file; |
| b->yy_fill_buffer = 1; |
| |
| /* If b is the current buffer, then pp_init_buffer was _probably_ |
| * called from pprestart() 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 pp_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 ) |
| pp_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 pppush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| if (new_buffer == NULL) |
| return; |
| |
| ppensure_buffer_stack(yyscanner); |
| |
| /* This block is copied from pp_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 pp_switch_to_buffer. */ |
| pp_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 pppop_buffer_state (yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| if (!YY_CURRENT_BUFFER) |
| return; |
| |
| pp_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) { |
| pp_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 ppensure_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**)ppalloc |
| (num_to_alloc * sizeof(struct yy_buffer_state*) |
| , yyscanner); |
| if ( ! yyg->yy_buffer_stack ) |
| YY_FATAL_ERROR( "out of dynamic memory in ppensure_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**)pprealloc |
| (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 ppensure_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 pp_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) ppalloc(sizeof( struct yy_buffer_state ) ,yyscanner ); |
| if ( ! b ) |
| YY_FATAL_ERROR( "out of dynamic memory in pp_scan_buffer()" ); |
| |
| b->yy_buf_size = static_cast<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; |
| |
| pp_switch_to_buffer(b ,yyscanner ); |
| |
| return b; |
| } |
| |
| |
| |
| |
| /** Setup the input buffer state to scan a string. The next call to pplex() 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 |
| * pp_scan_bytes() instead. |
| */ |
| YY_BUFFER_STATE pp_scan_string (yyconst char * yystr , yyscan_t yyscanner) |
| { |
| |
| return pp_scan_bytes(yystr,(int) strlen(yystr) ,yyscanner); |
| } |
| |
| |
| |
| |
| /** Setup the input buffer state to scan the given bytes. The next call to pplex() 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 pp_scan_bytes (yyconst char * yybytes, int _yybytes_len , yyscan_t yyscanner) |
| { |
| YY_BUFFER_STATE b; |
| char *buf; |
| yy_size_t n; |
| yy_size_t i; |
| |
| /* Get memory for full buffer, including space for trailing EOB's. */ |
| n = (yy_size_t) _yybytes_len + 2; |
| buf = (char *) ppalloc(n ,yyscanner ); |
| if ( ! buf ) |
| YY_FATAL_ERROR( "out of dynamic memory in pp_scan_bytes()" ); |
| |
| for ( i = 0; i < static_cast<yy_size_t>(_yybytes_len); ++i ) |
| buf[i] = yybytes[i]; |
| |
| buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; |
| |
| b = pp_scan_buffer(buf,n ,yyscanner); |
| if ( ! b ) |
| YY_FATAL_ERROR( "bad buffer in pp_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 (yyconst char* msg , yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| (void)yyg; |
| (void) 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 ppget_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 ppget_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 ppget_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 *ppget_in (yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| return yyin; |
| } |
| |
| |
| |
| /** Get the output stream. |
| * @param yyscanner The scanner object. |
| */ |
| FILE *ppget_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 ppget_leng (yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| return yyleng; |
| } |
| |
| |
| /** Get the current token. |
| * @param yyscanner The scanner object. |
| */ |
| |
| char *ppget_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 ppset_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 ppset_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( "ppset_lineno called with no buffer" ); |
| |
| yylineno = _line_number; |
| } |
| |
| |
| |
| |
| /** Set the current column. |
| * @param _column_no column number |
| * @param yyscanner The scanner object. |
| */ |
| void ppset_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( "ppset_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 pp_switch_to_buffer |
| */ |
| void ppset_in (FILE * _in_str , yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| yyin = _in_str ; |
| } |
| |
| |
| |
| void ppset_out (FILE * _out_str , yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| yyout = _out_str ; |
| } |
| |
| |
| |
| |
| int ppget_debug (yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| return yy_flex_debug; |
| } |
| |
| |
| |
| void ppset_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 * ppget_lval (yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| return yylval; |
| } |
| |
| |
| |
| void ppset_lval (YYSTYPE * yylval_param , yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| yylval = yylval_param; |
| } |
| |
| |
| |
| |
| YYLTYPE *ppget_lloc (yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| return yylloc; |
| } |
| |
| |
| |
| void ppset_lloc (YYLTYPE * yylloc_param , yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| yylloc = yylloc_param; |
| } |
| |
| |
| |
| |
| |
| /* User-visible API */ |
| |
| /* pplex_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 pplex_init(yyscan_t* ptr_yy_globals) |
| |
| { |
| if (ptr_yy_globals == NULL){ |
| errno = EINVAL; |
| return 1; |
| } |
| |
| *ptr_yy_globals = (yyscan_t) ppalloc ( 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 ); |
| } |
| |
| |
| /* pplex_init_extra has the same functionality as pplex_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 ppalloc in |
| * the yyextra field. |
| */ |
| |
| int pplex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals ) |
| |
| { |
| struct yyguts_t dummy_yyguts; |
| |
| ppset_extra (yy_user_defined, &dummy_yyguts); |
| |
| if (ptr_yy_globals == NULL){ |
| errno = EINVAL; |
| return 1; |
| } |
| |
| *ptr_yy_globals = (yyscan_t) ppalloc ( 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)); |
| |
| ppset_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 pplex_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 |
| * pplex_init() |
| */ |
| return 0; |
| } |
| |
| |
| /* pplex_destroy is for both reentrant and non-reentrant scanners. */ |
| int pplex_destroy (yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| |
| /* Pop the buffer stack, destroying each element. */ |
| while(YY_CURRENT_BUFFER){ |
| pp_delete_buffer(YY_CURRENT_BUFFER ,yyscanner ); |
| YY_CURRENT_BUFFER_LVALUE = NULL; |
| pppop_buffer_state(yyscanner); |
| } |
| |
| /* Destroy the stack itself. */ |
| ppfree(yyg->yy_buffer_stack ,yyscanner); |
| yyg->yy_buffer_stack = NULL; |
| |
| |
| /* Destroy the start condition stack. */ |
| ppfree(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 |
| * pplex() is called, initialization will occur. */ |
| yy_init_globals( yyscanner); |
| |
| /* Destroy the main struct (reentrant only). */ |
| ppfree ( yyscanner , yyscanner ); |
| yyscanner = NULL; |
| return 0; |
| } |
| |
| |
| |
| /* |
| * Internal utility routines. |
| */ |
| |
| |
| |
| #ifndef yytext_ptr |
| static void yy_flex_strncpy (char* s1, yyconst 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 (yyconst char * s , yyscan_t yyscanner) |
| { |
| int n; |
| for ( n = 0; s[n]; ++n ) |
| ; |
| |
| return n; |
| } |
| #endif |
| |
| |
| |
| void *ppalloc (yy_size_t size , yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| (void)yyg; |
| return malloc(size); |
| } |
| |
| |
| |
| void *pprealloc (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 ppfree (void * ptr , yyscan_t yyscanner) |
| { |
| struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| (void)yyg; |
| free( (char *) ptr ); /* see pprealloc() for (char *) cast */ |
| } |
| |
| |
| #define YYTABLES_NAME "yytables" |
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| namespace pp { |
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| Tokenizer::Tokenizer(Diagnostics *diagnostics) : mHandle(nullptr), mMaxTokenSize(256) |
| { |
| mContext.diagnostics = diagnostics; |
| } |
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| Tokenizer::~Tokenizer() |
| { |
| destroyScanner(); |
| } |
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| bool Tokenizer::init(size_t count, const char * const string[], const int length[]) |
| { |
| if ((count > 0) && (string == 0)) |
| return false; |
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| mContext.input = Input(count, string, length); |
| return initScanner(); |
| } |
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| void Tokenizer::setFileNumber(int file) |
| { |
| // We use column number as file number. |
| // See macro yyfileno. |
| ppset_column(file,mHandle); |
| } |
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| void Tokenizer::setLineNumber(int line) |
| { |
| ppset_lineno(line,mHandle); |
| } |
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| void Tokenizer::setMaxTokenSize(size_t maxTokenSize) |
| { |
| mMaxTokenSize = maxTokenSize; |
| } |
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| void Tokenizer::lex(Token *token) |
| { |
| token->type = pplex(&token->text,&token->location,mHandle); |
| if (token->text.size() > mMaxTokenSize) |
| { |
| mContext.diagnostics->report(Diagnostics::PP_TOKEN_TOO_LONG, |
| token->location, token->text); |
| token->text.erase(mMaxTokenSize); |
| } |
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| token->flags = 0; |
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| token->setAtStartOfLine(mContext.lineStart); |
| mContext.lineStart = token->type == '\n'; |
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| token->setHasLeadingSpace(mContext.leadingSpace); |
| mContext.leadingSpace = false; |
| } |
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| bool Tokenizer::initScanner() |
| { |
| if ((mHandle == nullptr) && pplex_init_extra(&mContext, &mHandle)) |
| return false; |
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| pprestart(0,mHandle); |
| return true; |
| } |
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| void Tokenizer::destroyScanner() |
| { |
| if (mHandle == nullptr) |
| return; |
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| pplex_destroy(mHandle); |
| mHandle = nullptr; |
| } |
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| } // namespace pp |
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