diff options
| author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:18 -0800 |
|---|---|---|
| committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:18 -0800 |
| commit | 5a23b9fcc3a82c4580e115cb4835d796b7995d0c (patch) | |
| tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /src/scan-gram.c | |
| parent | b7f2b4d529ee03ee0e4172cc06e7cd973bd9bef5 (diff) | |
| download | bison-5a23b9fcc3a82c4580e115cb4835d796b7995d0c.tar.gz | |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'src/scan-gram.c')
| -rw-r--r-- | src/scan-gram.c | 3822 |
1 files changed, 0 insertions, 3822 deletions
diff --git a/src/scan-gram.c b/src/scan-gram.c deleted file mode 100644 index 04cf539d..00000000 --- a/src/scan-gram.c +++ /dev/null @@ -1,3822 +0,0 @@ -#line 2 "scan-gram.c" - -#line 4 "scan-gram.c" - -#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 5 -#define YY_FLEX_SUBMINOR_VERSION 31 -#if YY_FLEX_SUBMINOR_VERSION > 0 -#define FLEX_BETA -#endif - -/* %if-c++-only */ -/* %endif */ - -/* %if-c-only */ - -/* %endif */ - -/* %if-c-only */ - -/* %endif */ - -/* First, we deal with platform-specific or compiler-specific issues. */ - -/* begin standard C headers. */ -/* %if-c-only */ -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <stdlib.h> -/* %endif */ - -/* %if-tables-serialization */ -/* %endif */ -/* end standard C headers. */ - -/* %if-c-or-c++ */ -/* 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 -#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; -#endif /* ! C99 */ - -/* 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 /* ! FLEXINT_H */ - -/* %endif */ - -/* %if-c++-only */ -/* %endif */ - -#ifdef __cplusplus - -/* The "const" storage-class-modifier is valid. */ -#define YY_USE_CONST - -#else /* ! __cplusplus */ - -#if __STDC__ - -#define YY_USE_CONST - -#endif /* __STDC__ */ -#endif /* ! __cplusplus */ - -#ifdef YY_USE_CONST -#define yyconst const -#else -#define yyconst -#endif - -/* %not-for-header */ - -/* Returned upon end-of-file. */ -#define YY_NULL 0 -/* %ok-for-header */ - -/* %not-for-header */ - -/* 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) -/* %ok-for-header */ - -/* %if-reentrant */ -/* %endif */ - -/* %if-not-reentrant */ - -/* %endif */ - -/* 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 (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 (((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 gram_restart(gram_in ) - -#define YY_END_OF_BUFFER_CHAR 0 - -/* Size of default input buffer. */ -#ifndef YY_BUF_SIZE -#define YY_BUF_SIZE 16384 -#endif - -#ifndef YY_TYPEDEF_YY_BUFFER_STATE -#define YY_TYPEDEF_YY_BUFFER_STATE -typedef struct yy_buffer_state *YY_BUFFER_STATE; -#endif - -/* %if-not-reentrant */ -extern int gram_leng; -/* %endif */ - -/* %if-c-only */ -/* %if-not-reentrant */ -extern FILE *gram_in, *gram_out; -/* %endif */ -/* %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) - -/* Return all but the first "n" matched characters back to the input stream. */ -#define yyless(n) \ - do \ - { \ - /* Undo effects of setting up gram_text. */ \ - int yyless_macro_arg = (n); \ - YY_LESS_LINENO(yyless_macro_arg);\ - *yy_cp = (yy_hold_char); \ - YY_RESTORE_YY_MORE_OFFSET \ - (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ - YY_DO_BEFORE_ACTION; /* set up gram_text again */ \ - } \ - while ( 0 ) - -#define unput(c) yyunput( c, (yytext_ptr) ) - -/* The following is because we cannot portably get our hands on size_t - * (without autoconf's help, which isn't available because we want - * flex-generated scanners to compile on their own). - */ - -#ifndef YY_TYPEDEF_YY_SIZE_T -#define YY_TYPEDEF_YY_SIZE_T -typedef unsigned int yy_size_t; -#endif - -#ifndef YY_STRUCT_YY_BUFFER_STATE -#define YY_STRUCT_YY_BUFFER_STATE -struct yy_buffer_state - { -/* %if-c-only */ - FILE *yy_input_file; -/* %endif */ - -/* %if-c++-only */ -/* %endif */ - - 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. - */ - yy_size_t 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 gram_restart()), so that the user can continue scanning by - * just pointing gram_in at a new input file. - */ -#define YY_BUFFER_EOF_PENDING 2 - - }; -#endif /* !YY_STRUCT_YY_BUFFER_STATE */ - -/* %if-c-only Standard (non-C++) definition */ -/* %not-for-header */ - -/* %if-not-reentrant */ - -/* Stack of input buffers. */ -static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ -static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ -static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ -/* %endif */ -/* %ok-for-header */ - -/* %endif */ - -/* 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 ( (yy_buffer_stack) \ - ? (yy_buffer_stack)[(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 (yy_buffer_stack)[(yy_buffer_stack_top)] - -/* %if-c-only Standard (non-C++) definition */ - -/* %if-not-reentrant */ -/* %not-for-header */ - -/* yy_hold_char holds the character lost when gram_text is formed. */ -static char yy_hold_char; -static int yy_n_chars; /* number of characters read into yy_ch_buf */ -int gram_leng; - -/* Points to current character in buffer. */ -static char *yy_c_buf_p = (char *) 0; -static int yy_init = 1; /* whether we need to initialize */ -static int yy_start = 0; /* start state number */ - -/* Flag which is used to allow gram_wrap()'s to do buffer switches - * instead of setting up a fresh gram_in. A bit of a hack ... - */ -static int yy_did_buffer_switch_on_eof; -/* %ok-for-header */ - -/* %endif */ - -void gram_restart (FILE *input_file ); -void gram__switch_to_buffer (YY_BUFFER_STATE new_buffer ); -YY_BUFFER_STATE gram__create_buffer (FILE *file,int size ); -void gram__delete_buffer (YY_BUFFER_STATE b ); -void gram__flush_buffer (YY_BUFFER_STATE b ); -void gram_push_buffer_state (YY_BUFFER_STATE new_buffer ); -void gram_pop_buffer_state (void ); - -static void gram_ensure_buffer_stack (void ); -static void gram__load_buffer_state (void ); -static void gram__init_buffer (YY_BUFFER_STATE b,FILE *file ); - -#define YY_FLUSH_BUFFER gram__flush_buffer(YY_CURRENT_BUFFER ) - -YY_BUFFER_STATE gram__scan_buffer (char *base,yy_size_t size ); -YY_BUFFER_STATE gram__scan_string (yyconst char *yy_str ); -YY_BUFFER_STATE gram__scan_bytes (yyconst char *bytes,int len ); - -/* %endif */ - -void *gram_alloc (yy_size_t ); -void *gram_realloc (void *,yy_size_t ); -void gram_free (void * ); - -#define yy_new_buffer gram__create_buffer - -#define yy_set_interactive(is_interactive) \ - { \ - if ( ! YY_CURRENT_BUFFER ){ \ - gram_ensure_buffer_stack (); \ - YY_CURRENT_BUFFER_LVALUE = \ - gram__create_buffer(gram_in,YY_BUF_SIZE ); \ - } \ - YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ - } - -#define yy_set_bol(at_bol) \ - { \ - if ( ! YY_CURRENT_BUFFER ){\ - gram_ensure_buffer_stack (); \ - YY_CURRENT_BUFFER_LVALUE = \ - gram__create_buffer(gram_in,YY_BUF_SIZE ); \ - } \ - YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ - } - -#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) - -/* %% [1.0] gram_text/gram_in/gram_out/yy_state_type/gram_lineno etc. def's & init go here */ -/* Begin user sect3 */ - -#define gram_wrap(n) 1 -#define YY_SKIP_YYWRAP - -#define FLEX_DEBUG - -typedef unsigned char YY_CHAR; - -FILE *gram_in = (FILE *) 0, *gram_out = (FILE *) 0; - -typedef int yy_state_type; - -extern int gram_lineno; - -int gram_lineno = 1; - -extern char *gram_text; -#define yytext_ptr gram_text - -/* %if-c-only Standard (non-C++) definition */ - -static yy_state_type yy_get_previous_state (void ); -static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); -static int yy_get_next_buffer (void ); -static void yy_fatal_error (yyconst char msg[] ); - -/* %endif */ - -/* Done after the current pattern has been matched and before the - * corresponding action - sets up gram_text. - */ -#define YY_DO_BEFORE_ACTION \ - (yytext_ptr) = yy_bp; \ -/* %% [2.0] code to fiddle gram_text and gram_leng for yymore() goes here \ */\ - gram_leng = (size_t) (yy_cp - yy_bp); \ - (yy_hold_char) = *yy_cp; \ - *yy_cp = '\0'; \ -/* %% [3.0] code to copy yytext_ptr to gram_text[] goes here, if %array \ */\ - (yy_c_buf_p) = yy_cp; - -/* %% [4.0] data tables for the DFA and the user's section 1 definitions go here */ -#define YY_NUM_RULES 109 -#define YY_END_OF_BUFFER 110 -/* 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[461] = - { 0, - 0, 0, 0, 0, 66, 66, 0, 0, 84, 84, - 84, 84, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 110, 59, 2, 2, - 54, 59, 53, 1, 50, 59, 51, 51, 49, 59, - 47, 56, 48, 59, 107, 108, 103, 107, 104, 105, - 106, 65, 107, 63, 63, 88, 87, 107, 86, 85, - 61, 2, 1, 61, 60, 61, 68, 67, 107, 71, - 70, 69, 93, 2, 1, 93, 93, 90, 100, 107, - 89, 107, 107, 101, 94, 96, 107, 58, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, - - 46, 46, 46, 46, 46, 46, 55, 50, 4, 3, - 51, 0, 0, 0, 64, 0, 0, 66, 62, 84, - 84, 84, 84, 83, 81, 72, 83, 74, 75, 76, - 77, 78, 79, 83, 80, 83, 98, 0, 98, 0, - 95, 0, 91, 92, 0, 94, 97, 0, 99, 0, - 99, 102, 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, - 46, 3, 52, 57, 0, 0, 0, 0, 0, 0, - 0, 0, 72, 0, 0, 73, 0, 0, 0, 0, - - 0, 0, 0, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 0, 72, 0, - 0, 0, 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 20, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 32, 46, 46, 46, - 46, 46, 46, 39, 46, 42, 46, 46, 45, 0, - 0, 0, 46, 7, 46, 46, 46, 12, 46, 46, - 46, 46, 46, 46, 46, 46, 23, 46, 46, 46, - - 46, 46, 29, 46, 46, 46, 46, 46, 36, 46, - 38, 40, 43, 46, 0, 0, 82, 6, 46, 9, - 46, 46, 14, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 30, 46, 46, 46, 46, 46, - 46, 46, 0, 46, 10, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, - 33, 46, 35, 46, 46, 44, 0, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, 46, 26, - 27, 46, 46, 46, 37, 46, 0, 46, 46, 46, - 15, 46, 46, 46, 46, 21, 22, 46, 46, 46, - - 46, 46, 46, 0, 0, 46, 11, 46, 46, 46, - 19, 46, 46, 46, 46, 46, 46, 46, 5, 46, - 46, 16, 46, 46, 24, 46, 46, 31, 34, 41, - 8, 46, 46, 46, 46, 46, 13, 46, 46, 46, - 46, 46, 18, 46, 46, 46, 25, 46, 46, 46, - 46, 46, 17, 46, 46, 46, 46, 46, 28, 0 - } ; - -static yyconst flex_int32_t yy_ec[256] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, - 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 4, 1, 5, 6, 7, 8, 1, 9, 1, - 1, 10, 1, 11, 12, 13, 14, 15, 16, 16, - 16, 16, 16, 16, 16, 17, 17, 18, 19, 20, - 21, 22, 23, 24, 25, 25, 25, 25, 25, 25, - 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, - 13, 13, 13, 13, 26, 13, 13, 27, 13, 13, - 28, 29, 30, 1, 31, 1, 32, 33, 34, 35, - - 36, 37, 38, 39, 40, 13, 41, 42, 43, 44, - 45, 46, 47, 48, 49, 50, 51, 52, 13, 53, - 54, 13, 55, 56, 57, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 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 flex_int32_t yy_meta[59] = - { 0, - 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, - 1, 4, 5, 1, 6, 6, 6, 1, 1, 1, - 1, 7, 1, 3, 6, 5, 5, 3, 1, 3, - 5, 6, 6, 6, 6, 6, 6, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 1, 1, 1, 7 - } ; - -static yyconst flex_int16_t yy_base[483] = - { 0, - 0, 733, 56, 57, 65, 68, 728, 727, 96, 99, - 106, 109, 138, 144, 85, 102, 142, 150, 161, 174, - 206, 0, 162, 182, 220, 225, 736, 740, 740, 740, - 740, 275, 740, 740, 0, 51, 176, 61, 740, 0, - 740, 740, 740, 693, 740, 740, 740, 103, 740, 740, - 740, 740, 164, 740, 720, 740, 740, 192, 740, 740, - 740, 740, 740, 59, 740, 691, 740, 740, 326, 740, - 740, 740, 740, 740, 740, 60, 690, 740, 231, 132, - 740, 187, 71, 243, 740, 740, 674, 740, 0, 690, - 75, 151, 689, 686, 683, 74, 690, 173, 674, 220, - - 147, 157, 220, 680, 687, 690, 740, 0, 740, 0, - 269, 0, 699, 680, 740, 287, 290, 690, 740, 740, - 293, 689, 301, 740, 740, 67, 0, 740, 740, 740, - 740, 740, 740, 0, 740, 0, 740, 317, 321, 0, - 740, 341, 740, 740, 344, 740, 740, 358, 740, 349, - 352, 740, 0, 673, 220, 668, 667, 668, 131, 665, - 672, 188, 677, 662, 666, 223, 672, 657, 658, 226, - 657, 657, 665, 666, 669, 652, 658, 652, 657, 648, - 661, 0, 0, 740, 650, 369, 250, 378, 381, 384, - 387, 269, 324, 0, 0, 0, 671, 390, 152, 393, - - 388, 397, 202, 660, 640, 238, 640, 653, 643, 651, - 650, 649, 672, 633, 632, 669, 648, 641, 642, 315, - 241, 629, 630, 626, 640, 629, 636, 620, 631, 627, - 620, 624, 630, 629, 619, 630, 628, 625, 740, 0, - 0, 396, 612, 621, 607, 613, 608, 621, 606, 619, - 640, 616, 604, 609, 0, 602, 597, 610, 344, 609, - 604, 594, 606, 598, 589, 603, 0, 588, 392, 597, - 586, 599, 584, 0, 589, 0, 588, 586, 0, 626, - 0, 0, 575, 0, 586, 591, 575, 0, 393, 575, - 578, 394, 591, 590, 589, 580, 0, 573, 581, 573, - - 567, 565, 0, 564, 601, 576, 565, 562, 0, 559, - 0, 395, 0, 559, 399, 0, 740, 0, 557, 557, - 571, 552, 397, 555, 557, 553, 558, 551, 553, 549, - 564, 559, 549, 557, 0, 546, 543, 558, 553, 543, - 537, 550, 414, 407, 0, 535, 548, 535, 546, 530, - 531, 567, 546, 533, 540, 524, 525, 539, 524, 539, - 0, 522, 0, 525, 536, 0, 562, 520, 520, 516, - 515, 525, 511, 524, 527, 515, 508, 519, 513, 0, - 0, 511, 505, 503, 0, 518, 545, 501, 500, 514, - 0, 506, 499, 496, 509, 0, 0, 502, 491, 500, - - 507, 502, 495, 531, 348, 499, 0, 489, 480, 481, - 0, 481, 477, 408, 485, 485, 479, 490, 740, 491, - 475, 0, 473, 482, 0, 475, 480, 0, 0, 0, - 0, 483, 409, 473, 469, 467, 0, 478, 470, 472, - 452, 455, 0, 445, 432, 395, 0, 402, 399, 422, - 384, 386, 0, 395, 374, 361, 318, 251, 0, 740, - 440, 447, 454, 461, 464, 470, 476, 483, 487, 493, - 281, 275, 236, 218, 500, 206, 151, 138, 116, 102, - 56, 506 - } ; - -static yyconst flex_int16_t yy_def[483] = - { 0, - 460, 1, 461, 461, 461, 461, 462, 462, 461, 461, - 461, 461, 463, 463, 461, 461, 461, 461, 464, 464, - 461, 21, 21, 21, 21, 21, 460, 460, 460, 460, - 460, 460, 460, 460, 465, 460, 460, 460, 460, 466, - 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, - 460, 460, 460, 460, 460, 460, 460, 467, 460, 460, - 460, 460, 460, 460, 460, 460, 460, 460, 468, 460, - 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, - 460, 460, 460, 460, 460, 460, 460, 460, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - - 469, 469, 469, 469, 469, 469, 460, 465, 460, 470, - 460, 471, 466, 460, 460, 460, 460, 460, 460, 460, - 460, 460, 460, 460, 460, 460, 472, 460, 460, 460, - 460, 460, 460, 473, 460, 474, 460, 460, 460, 475, - 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, - 460, 460, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 470, 471, 460, 460, 460, 460, 460, 460, 460, - 460, 467, 460, 476, 477, 474, 475, 460, 460, 460, - - 460, 460, 460, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 460, 460, 478, - 479, 460, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 460, - 480, 481, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 460, 473, 460, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 460, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 460, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 482, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - - 469, 469, 469, 482, 482, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 460, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, - 469, 469, 469, 469, 469, 469, 469, 469, 469, 0, - 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, - 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, - 460, 460 - } ; - -static yyconst flex_int16_t yy_nxt[799] = - { 0, - 28, 29, 30, 29, 31, 28, 28, 32, 33, 28, - 34, 28, 35, 36, 37, 38, 38, 28, 39, 40, - 41, 28, 28, 28, 35, 35, 35, 28, 28, 28, - 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, - 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, - 35, 35, 35, 35, 42, 43, 28, 28, 46, 46, - 109, 317, 47, 47, 110, 48, 48, 52, 109, 109, - 52, 47, 110, 110, 47, 111, 111, 111, 146, 49, - 49, 193, 193, 50, 50, 51, 51, 67, 49, 68, - 147, 49, 50, 53, 51, 50, 53, 51, 56, 148, - - 57, 56, 47, 57, 67, 47, 68, 316, 59, 162, - 155, 59, 47, 69, 60, 47, 115, 60, 163, 49, - 156, 282, 49, 50, 58, 51, 50, 58, 51, 49, - 69, 116, 49, 50, 58, 51, 50, 58, 51, 62, - 30, 62, 70, 281, 71, 62, 30, 62, 63, 66, - 72, 64, 71, 141, 63, 65, 241, 64, 72, 70, - 142, 65, 74, 30, 74, 117, 118, 117, 47, 87, - 69, 75, 211, 141, 76, 74, 30, 74, 69, 77, - 142, 45, 172, 212, 75, 49, 173, 76, 47, 87, - 111, 111, 111, 121, 122, 121, 143, 174, 157, 70, - - 144, 45, 112, 158, 165, 49, 175, 70, 46, 146, - 78, 240, 79, 80, 81, 145, 45, 166, 45, 82, - 123, 147, 167, 196, 215, 83, 47, 45, 112, 84, - 148, 47, 45, 50, 220, 51, 45, 137, 45, 45, - 216, 195, 138, 49, 45, 139, 139, 139, 49, 149, - 140, 169, 205, 220, 150, 176, 206, 151, 151, 151, - 85, 225, 86, 115, 177, 226, 221, 170, 207, 245, - 171, 460, 262, 178, 45, 263, 45, 246, 116, 45, - 194, 45, 88, 111, 111, 111, 183, 89, 186, 187, - 186, 117, 118, 117, 189, 122, 189, 123, 459, 89, - - 89, 89, 191, 192, 191, 89, 89, 90, 89, 91, - 92, 93, 94, 89, 95, 89, 96, 97, 98, 99, - 100, 89, 101, 102, 103, 104, 105, 89, 106, 107, - 125, 139, 139, 139, 125, 139, 139, 139, 239, 239, - 126, 126, 198, 199, 198, 200, 201, 200, 125, 260, - 419, 127, 405, 458, 125, 298, 261, 128, 129, 202, - 203, 202, 130, 151, 151, 151, 151, 151, 151, 131, - 186, 187, 186, 132, 298, 133, 134, 135, 136, 117, - 118, 117, 189, 122, 189, 189, 122, 189, 191, 192, - 191, 198, 199, 198, 200, 201, 200, 143, 202, 203, - - 202, 144, 137, 307, 322, 325, 341, 138, 348, 457, - 139, 139, 139, 343, 343, 343, 145, 367, 368, 426, - 438, 456, 307, 322, 325, 341, 455, 348, 343, 343, - 343, 454, 453, 452, 451, 450, 449, 368, 426, 438, - 45, 45, 45, 45, 45, 45, 45, 54, 54, 54, - 54, 54, 54, 54, 61, 61, 61, 61, 61, 61, - 61, 73, 73, 73, 73, 73, 73, 73, 108, 108, - 113, 448, 113, 113, 113, 113, 120, 120, 447, 120, - 120, 120, 120, 124, 124, 124, 124, 124, 124, 124, - 153, 153, 153, 182, 446, 182, 182, 182, 182, 182, - - 197, 445, 197, 197, 197, 197, 404, 444, 404, 404, - 404, 404, 404, 443, 442, 441, 440, 439, 437, 436, - 435, 434, 433, 432, 431, 430, 429, 428, 427, 425, - 424, 423, 422, 421, 420, 405, 418, 417, 416, 415, - 414, 413, 412, 411, 410, 409, 408, 407, 406, 405, - 403, 402, 401, 400, 399, 398, 397, 396, 395, 394, - 393, 392, 391, 390, 389, 388, 387, 386, 385, 384, - 383, 382, 381, 380, 379, 378, 377, 376, 375, 374, - 373, 372, 371, 370, 369, 366, 365, 364, 363, 362, - 361, 360, 359, 358, 357, 356, 355, 354, 353, 352, - - 351, 350, 349, 347, 346, 345, 344, 342, 340, 339, - 338, 337, 336, 335, 334, 333, 332, 331, 330, 329, - 328, 327, 326, 324, 323, 321, 320, 319, 318, 315, - 314, 313, 312, 311, 310, 309, 308, 306, 305, 304, - 303, 302, 301, 300, 299, 297, 296, 295, 294, 293, - 292, 291, 290, 289, 288, 287, 286, 285, 284, 283, - 280, 279, 278, 277, 276, 275, 274, 273, 272, 271, - 270, 269, 268, 267, 266, 265, 264, 259, 258, 257, - 256, 255, 254, 253, 252, 251, 250, 249, 248, 247, - 244, 243, 242, 238, 237, 236, 235, 234, 233, 232, - - 231, 230, 229, 228, 227, 224, 223, 222, 219, 218, - 217, 214, 213, 210, 209, 208, 204, 190, 188, 185, - 184, 181, 180, 179, 168, 164, 161, 160, 159, 154, - 152, 114, 114, 119, 114, 460, 55, 55, 44, 27, - 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, - 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, - 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, - 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, - 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, - 460, 460, 460, 460, 460, 460, 460, 460 - - } ; - -static yyconst flex_int16_t yy_chk[799] = - { 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, 1, - 1, 1, 1, 1, 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, 4, - 36, 481, 3, 4, 36, 3, 4, 5, 64, 76, - 6, 5, 64, 76, 6, 38, 38, 38, 83, 3, - 4, 126, 126, 3, 4, 3, 4, 15, 5, 15, - 83, 6, 5, 5, 5, 6, 6, 6, 9, 83, - - 9, 10, 9, 10, 16, 10, 16, 480, 11, 96, - 91, 12, 11, 15, 11, 12, 48, 12, 96, 9, - 91, 479, 10, 9, 9, 9, 10, 10, 10, 11, - 16, 48, 12, 11, 11, 11, 12, 12, 12, 13, - 13, 13, 15, 478, 17, 14, 14, 14, 13, 14, - 17, 13, 18, 80, 14, 13, 477, 14, 18, 16, - 80, 14, 19, 19, 19, 53, 53, 53, 23, 23, - 17, 19, 159, 199, 19, 20, 20, 20, 18, 20, - 199, 23, 101, 159, 20, 23, 101, 20, 24, 24, - 37, 37, 37, 58, 58, 58, 82, 102, 92, 17, - - 82, 24, 37, 92, 98, 24, 102, 18, 21, 203, - 21, 476, 21, 21, 21, 82, 23, 98, 23, 21, - 58, 203, 98, 474, 162, 21, 25, 25, 37, 21, - 203, 26, 26, 21, 166, 21, 24, 79, 24, 25, - 162, 473, 79, 25, 26, 79, 79, 79, 26, 84, - 79, 100, 155, 166, 84, 103, 155, 84, 84, 84, - 21, 170, 21, 187, 103, 170, 166, 100, 155, 206, - 100, 192, 221, 103, 25, 221, 25, 206, 187, 26, - 472, 26, 32, 111, 111, 111, 471, 32, 116, 116, - 116, 117, 117, 117, 121, 121, 121, 192, 458, 32, - - 32, 32, 123, 123, 123, 32, 32, 32, 32, 32, - 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, - 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, - 69, 138, 138, 138, 69, 139, 139, 139, 193, 193, - 69, 69, 142, 142, 142, 145, 145, 145, 69, 220, - 405, 69, 405, 457, 69, 259, 220, 69, 69, 148, - 148, 148, 69, 150, 150, 150, 151, 151, 151, 69, - 186, 186, 186, 69, 259, 69, 69, 69, 69, 188, - 188, 188, 189, 189, 189, 190, 190, 190, 191, 191, - 191, 198, 198, 198, 200, 200, 200, 201, 202, 202, - - 202, 201, 242, 269, 289, 292, 312, 242, 323, 456, - 242, 242, 242, 315, 315, 315, 201, 343, 344, 414, - 433, 455, 269, 289, 292, 312, 454, 323, 343, 343, - 343, 452, 451, 450, 449, 448, 446, 344, 414, 433, - 461, 461, 461, 461, 461, 461, 461, 462, 462, 462, - 462, 462, 462, 462, 463, 463, 463, 463, 463, 463, - 463, 464, 464, 464, 464, 464, 464, 464, 465, 465, - 466, 445, 466, 466, 466, 466, 467, 467, 444, 467, - 467, 467, 467, 468, 468, 468, 468, 468, 468, 468, - 469, 469, 469, 470, 442, 470, 470, 470, 470, 470, - - 475, 441, 475, 475, 475, 475, 482, 440, 482, 482, - 482, 482, 482, 439, 438, 436, 435, 434, 432, 427, - 426, 424, 423, 421, 420, 418, 417, 416, 415, 413, - 412, 410, 409, 408, 406, 404, 403, 402, 401, 400, - 399, 398, 395, 394, 393, 392, 390, 389, 388, 387, - 386, 384, 383, 382, 379, 378, 377, 376, 375, 374, - 373, 372, 371, 370, 369, 368, 367, 365, 364, 362, - 360, 359, 358, 357, 356, 355, 354, 353, 352, 351, - 350, 349, 348, 347, 346, 342, 341, 340, 339, 338, - 337, 336, 334, 333, 332, 331, 330, 329, 328, 327, - - 326, 325, 324, 322, 321, 320, 319, 314, 310, 308, - 307, 306, 305, 304, 302, 301, 300, 299, 298, 296, - 295, 294, 293, 291, 290, 287, 286, 285, 283, 280, - 278, 277, 275, 273, 272, 271, 270, 268, 266, 265, - 264, 263, 262, 261, 260, 258, 257, 256, 254, 253, - 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, - 238, 237, 236, 235, 234, 233, 232, 231, 230, 229, - 228, 227, 226, 225, 224, 223, 222, 219, 218, 217, - 216, 215, 214, 213, 212, 211, 210, 209, 208, 207, - 205, 204, 197, 185, 181, 180, 179, 178, 177, 176, - - 175, 174, 173, 172, 171, 169, 168, 167, 165, 164, - 163, 161, 160, 158, 157, 156, 154, 122, 118, 114, - 113, 106, 105, 104, 99, 97, 95, 94, 93, 90, - 87, 77, 66, 55, 44, 27, 8, 7, 2, 460, - 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, - 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, - 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, - 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, - 460, 460, 460, 460, 460, 460, 460, 460, 460, 460, - 460, 460, 460, 460, 460, 460, 460, 460 - - } ; - -static yy_state_type yy_last_accepting_state; -static char *yy_last_accepting_cpos; - -extern int gram__flex_debug; -int gram__flex_debug = 1; - -static yyconst flex_int16_t yy_rule_linenum[109] = - { 0, - 197, 198, 199, 200, 208, 219, 220, 221, 222, 223, - 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, - 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, - 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, - 254, 255, 256, 257, 258, 260, 264, 265, 266, 268, - 275, 279, 285, 288, 291, 294, 305, 313, 320, 337, - 343, 364, 365, 376, 387, 388, 400, 408, 419, 435, - 441, 451, 461, 472, 473, 474, 475, 476, 477, 478, - 481, 483, 492, 504, 509, 510, 516, 517, 528, 534, - 540, 546, 562, 596, 597, 598, 634, 636, 637, 639, - - 643, 658, 693, 694, 695, 696, 704, 705 - } ; - -/* 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 -char *gram_text; -#line 1 "scan-gram.l" -/* Bison Grammar Scanner -*- C -*- - - Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. - - This file is part of Bison, the GNU Compiler Compiler. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301 USA -*/ -#line 27 "scan-gram.l" -/* Work around a bug in flex 2.5.31. See Debian bug 333231 - <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=333231>. */ -#undef gram_wrap -#define gram_wrap() 1 - -#include "system.h" - -#include <mbswidth.h> -#include <quote.h> - -#include "complain.h" -#include "files.h" -#include "getargs.h" -#include "gram.h" -#include "quotearg.h" -#include "reader.h" -#include "uniqstr.h" - -#define YY_USER_INIT \ - do \ - { \ - scanner_cursor.file = current_file; \ - scanner_cursor.line = 1; \ - scanner_cursor.column = 1; \ - code_start = scanner_cursor; \ - } \ - while (0) - -/* Pacify "gcc -Wmissing-prototypes" when flex 2.5.31 is used. */ -int gram_get_lineno (void); -FILE *gram_get_in (void); -FILE *gram_get_out (void); -int gram_get_leng (void); -char *gram_get_text (void); -void gram_set_lineno (int); -void gram_set_in (FILE *); -void gram_set_out (FILE *); -int gram_get_debug (void); -void gram_set_debug (int); -int gram_lex_destroy (void); - -/* Location of scanner cursor. */ -boundary scanner_cursor; - -static void adjust_location (location *, char const *, size_t); -#define YY_USER_ACTION adjust_location (loc, gram_text, gram_leng); - -static size_t no_cr_read (FILE *, char *, size_t); -#define YY_INPUT(buf, result, size) ((result) = no_cr_read (gram_in, buf, size)) - - -/* OBSTACK_FOR_STRING -- Used to store all the characters that we need to - keep (to construct ID, STRINGS etc.). Use the following macros to - use it. - - Use STRING_GROW to append what has just been matched, and - STRING_FINISH to end the string (it puts the ending 0). - STRING_FINISH also stores this string in LAST_STRING, which can be - used, and which is used by STRING_FREE to free the last string. */ - -static struct obstack obstack_for_string; - -/* A string representing the most recently saved token. */ -char *last_string; - -/* The location of the most recently saved token, if it was a - BRACED_CODE token; otherwise, this has an unspecified value. */ -location last_braced_code_loc; - -#define STRING_GROW \ - obstack_grow (&obstack_for_string, gram_text, gram_leng) - -#define STRING_FINISH \ - do { \ - obstack_1grow (&obstack_for_string, '\0'); \ - last_string = obstack_finish (&obstack_for_string); \ - } while (0) - -#define STRING_FREE \ - obstack_free (&obstack_for_string, last_string) - -void -scanner_last_string_free (void) -{ - STRING_FREE; -} - -/* Within well-formed rules, RULE_LENGTH is the number of values in - the current rule so far, which says where to find `$0' with respect - to the top of the stack. It is not the same as the rule->length in - the case of mid rule actions. - - Outside of well-formed rules, RULE_LENGTH has an undefined value. */ -static int rule_length; - -static void rule_length_overflow (location) __attribute__ ((__noreturn__)); - -/* Increment the rule length by one, checking for overflow. */ -static inline void -increment_rule_length (location loc) -{ - rule_length++; - - /* Don't allow rule_length == INT_MAX, since that might cause - confusion with strtol if INT_MAX == LONG_MAX. */ - if (rule_length == INT_MAX) - rule_length_overflow (loc); -} - -static void handle_dollar (int token_type, char *cp, location loc); -static void handle_at (int token_type, char *cp, location loc); -static void handle_syncline (char *, location); -static unsigned long int scan_integer (char const *p, int base, location loc); -static int convert_ucn_to_byte (char const *hex_text); -static void unexpected_eof (boundary, char const *); -static void unexpected_newline (boundary, char const *); - - - - - - -/* POSIX says that a tag must be both an id and a C union member, but - historically almost any character is allowed in a tag. We disallow - NUL and newline, as this simplifies our implementation. */ -/* Zero or more instances of backslash-newline. Following GCC, allow - white space between the backslash and the newline. */ -#line 1016 "scan-gram.c" - -#define INITIAL 0 -#define SC_COMMENT 1 -#define SC_LINE_COMMENT 2 -#define SC_YACC_COMMENT 3 -#define SC_STRING 4 -#define SC_CHARACTER 5 -#define SC_AFTER_IDENTIFIER 6 -#define SC_ESCAPED_STRING 7 -#define SC_ESCAPED_CHARACTER 8 -#define SC_PRE_CODE 9 -#define SC_BRACED_CODE 10 -#define SC_PROLOGUE 11 -#define SC_EPILOGUE 12 - -#ifndef YY_NO_UNISTD_H -/* Special case for "unistd.h", since it is non-ANSI. We include it way - * down here because we want the user's section 1 to have been scanned first. - * The user has a chance to override it with an option. - */ -/* %if-c-only */ -#include <unistd.h> -/* %endif */ -/* %if-c++-only */ -/* %endif */ -#endif - -#ifndef YY_EXTRA_TYPE -#define YY_EXTRA_TYPE void * -#endif - -/* %if-c-only Reentrant structure and macros (non-C++). */ -/* %if-reentrant */ -/* %if-reentrant */ -/* %endif */ -/* %if-bison-bridge */ -/* %endif */ -/* %endif End reentrant structures and macros. */ - -/* Macros after this point can all be overridden by user definitions in - * section 1. - */ - -#ifndef YY_SKIP_YYWRAP -#ifdef __cplusplus -extern "C" int gram_wrap (void ); -#else -extern int gram_wrap (void ); -#endif -#endif - -/* %not-for-header */ - -/* %ok-for-header */ - -/* %endif */ - -#ifndef yytext_ptr -static void yy_flex_strncpy (char *,yyconst char *,int ); -#endif - -#ifdef YY_NEED_STRLEN -static int yy_flex_strlen (yyconst char * ); -#endif - -#ifndef YY_NO_INPUT -/* %if-c-only Standard (non-C++) definition */ -/* %not-for-header */ - -#ifdef __cplusplus -static int yyinput (void ); -#else -static int input (void ); -#endif -/* %ok-for-header */ - -/* %endif */ -#endif - -/* %if-c-only */ - -/* %endif */ - -/* Amount of stuff to slurp up with each read. */ -#ifndef YY_READ_BUF_SIZE -#define YY_READ_BUF_SIZE 8192 -#endif - -/* Copy whatever the last rule matched to the standard output. */ -#ifndef ECHO -/* %if-c-only Standard (non-C++) definition */ -/* This used to be an fputs(), but since the string might contain NUL's, - * we now use fwrite(). - */ -#define ECHO (void) fwrite( gram_text, gram_leng, 1, gram_out ) -/* %endif */ -/* %if-c++-only C++ definition */ -/* %endif */ -#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) \ -/* %% [5.0] fread()/read() definition of YY_INPUT goes here unless we're doing C++ \ */\ - if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ - { \ - int c = '*'; \ - size_t n; \ - for ( n = 0; n < max_size && \ - (c = getc( gram_in )) != EOF && c != '\n'; ++n ) \ - buf[n] = (char) c; \ - if ( c == '\n' ) \ - buf[n++] = (char) c; \ - if ( c == EOF && ferror( gram_in ) ) \ - YY_FATAL_ERROR( "input in flex scanner failed" ); \ - result = n; \ - } \ - else \ - { \ - errno=0; \ - while ( (result = fread(buf, 1, max_size, gram_in))==0 && ferror(gram_in)) \ - { \ - if( errno != EINTR) \ - { \ - YY_FATAL_ERROR( "input in flex scanner failed" ); \ - break; \ - } \ - errno=0; \ - clearerr(gram_in); \ - } \ - }\ -\ -/* %if-c++-only C++ definition \ */\ -/* %endif */ - -#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 -/* %if-c-only */ -#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) -/* %endif */ -/* %if-c++-only */ -/* %endif */ -#endif - -/* %if-tables-serialization structures and prototypes */ -/* %not-for-header */ - -/* %ok-for-header */ - -/* %not-for-header */ - -/* %tables-yydmap generated elements */ -/* %endif */ -/* end tables serialization structures and prototypes */ - -/* %ok-for-header */ - -/* Default declaration of generated scanner - a define so the user can - * easily add parameters. - */ -#ifndef YY_DECL -#define YY_DECL_IS_OURS 1 -/* %if-c-only Standard (non-C++) definition */ - -extern int gram_lex (void); - -#define YY_DECL int gram_lex (void) -/* %endif */ -/* %if-c++-only C++ definition */ -/* %endif */ -#endif /* !YY_DECL */ - -/* Code executed at the beginning of each rule, after gram_text and gram_leng - * 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 break; -#endif - -/* %% [6.0] YY_RULE_SETUP definition goes here */ -#define YY_RULE_SETUP \ - if ( gram_leng > 0 ) \ - YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \ - (gram_text[gram_leng - 1] == '\n'); \ - YY_USER_ACTION - -/* %not-for-header */ - -/** The main scanner function which does all the work. - */ -YY_DECL -{ - register yy_state_type yy_current_state; - register char *yy_cp, *yy_bp; - register int yy_act; - -/* %% [7.0] user's declarations go here */ -#line 165 "scan-gram.l" - - - /* Nesting level of the current code in braces. */ - int braces_level IF_LINT (= 0); - - /* Parent context state, when applicable. */ - int context_state IF_LINT (= 0); - - /* Token type to return, when applicable. */ - int token_type IF_LINT (= 0); - - /* Location of most recent identifier, when applicable. */ - location id_loc IF_LINT (= empty_location); - - /* Where containing code started, when applicable. Its initial - value is relevant only when gram_lex is invoked in the SC_EPILOGUE - start condition. */ - boundary code_start = scanner_cursor; - - /* Where containing comment or string or character literal started, - when applicable. */ - boundary token_start IF_LINT (= scanner_cursor); - - - - /*-----------------------. - | Scanning white space. | - `-----------------------*/ - -#line 1266 "scan-gram.c" - - if ( (yy_init) ) - { - (yy_init) = 0; - -#ifdef YY_USER_INIT - YY_USER_INIT; -#endif - - if ( ! (yy_start) ) - (yy_start) = 1; /* first start state */ - - if ( ! gram_in ) -/* %if-c-only */ - gram_in = stdin; -/* %endif */ -/* %if-c++-only */ -/* %endif */ - - if ( ! gram_out ) -/* %if-c-only */ - gram_out = stdout; -/* %endif */ -/* %if-c++-only */ -/* %endif */ - - if ( ! YY_CURRENT_BUFFER ) { - gram_ensure_buffer_stack (); - YY_CURRENT_BUFFER_LVALUE = - gram__create_buffer(gram_in,YY_BUF_SIZE ); - } - - gram__load_buffer_state( ); - } - - while ( 1 ) /* loops until end-of-file is reached */ - { -/* %% [8.0] yymore()-related code goes here */ - yy_cp = (yy_c_buf_p); - - /* Support of gram_text. */ - *yy_cp = (yy_hold_char); - - /* yy_bp points to the position in yy_ch_buf of the start of - * the current run. - */ - yy_bp = yy_cp; - -/* %% [9.0] code to set up and find next match goes here */ - yy_current_state = (yy_start); - yy_current_state += YY_AT_BOL(); -yy_match: - do - { - register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; - if ( yy_accept[yy_current_state] ) - { - (yy_last_accepting_state) = yy_current_state; - (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 >= 461 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - ++yy_cp; - } - while ( yy_current_state != 460 ); - yy_cp = (yy_last_accepting_cpos); - yy_current_state = (yy_last_accepting_state); - -yy_find_action: -/* %% [10.0] code to find the action number goes here */ - yy_act = yy_accept[yy_current_state]; - - YY_DO_BEFORE_ACTION; - -/* %% [11.0] code for gram_lineno update goes here */ - -do_action: /* This label is used only to access EOF actions. */ - -/* %% [12.0] debug code goes here */ - if ( gram__flex_debug ) - { - if ( yy_act == 0 ) - fprintf( stderr, "--scanner backing up\n" ); - else if ( yy_act < 109 ) - fprintf( stderr, "--accepting rule at line %ld (\"%s\")\n", - (long)yy_rule_linenum[yy_act], gram_text ); - else if ( yy_act == 109 ) - fprintf( stderr, "--accepting default rule (\"%s\")\n", - gram_text ); - else if ( yy_act == 110 ) - fprintf( stderr, "--(end of buffer or a NUL)\n" ); - else - fprintf( stderr, "--EOF (start condition %d)\n", YY_START ); - } - - switch ( yy_act ) - { /* beginning of action switch */ -/* %% [13.0] actions go here */ - case 0: /* must back up */ - /* undo the effects of YY_DO_BEFORE_ACTION */ - *yy_cp = (yy_hold_char); - yy_cp = (yy_last_accepting_cpos); - yy_current_state = (yy_last_accepting_state); - goto yy_find_action; - -/* Comments and white space. */ -case 1: -YY_RULE_SETUP -#line 197 "scan-gram.l" -warn_at (*loc, _("stray `,' treated as white space")); - YY_BREAK -case 2: -/* rule 2 can match eol */ -#line 199 "scan-gram.l" -case 3: -/* rule 3 can match eol */ -YY_RULE_SETUP -#line 199 "scan-gram.l" -; - YY_BREAK -case 4: -YY_RULE_SETUP -#line 200 "scan-gram.l" -{ - token_start = loc->start; - context_state = YY_START; - BEGIN SC_YACC_COMMENT; - } - YY_BREAK -/* #line directives are not documented, and may be withdrawn or - modified in future versions of Bison. */ -case 5: -/* rule 5 can match eol */ -YY_RULE_SETUP -#line 208 "scan-gram.l" -{ - handle_syncline (gram_text + sizeof "#line " - 1, *loc); - } - YY_BREAK - -/*----------------------------. - | Scanning Bison directives. | - `----------------------------*/ - - -case 6: -YY_RULE_SETUP -#line 219 "scan-gram.l" -return PERCENT_NONASSOC; - YY_BREAK -case 7: -YY_RULE_SETUP -#line 220 "scan-gram.l" -return PERCENT_DEBUG; - YY_BREAK -case 8: -YY_RULE_SETUP -#line 221 "scan-gram.l" -return PERCENT_DEFAULT_PREC; - YY_BREAK -case 9: -YY_RULE_SETUP -#line 222 "scan-gram.l" -return PERCENT_DEFINE; - YY_BREAK -case 10: -YY_RULE_SETUP -#line 223 "scan-gram.l" -return PERCENT_DEFINES; - YY_BREAK -case 11: -YY_RULE_SETUP -#line 224 "scan-gram.l" -token_type = PERCENT_DESTRUCTOR; BEGIN SC_PRE_CODE; - YY_BREAK -case 12: -YY_RULE_SETUP -#line 225 "scan-gram.l" -return PERCENT_DPREC; - YY_BREAK -case 13: -YY_RULE_SETUP -#line 226 "scan-gram.l" -return PERCENT_ERROR_VERBOSE; - YY_BREAK -case 14: -YY_RULE_SETUP -#line 227 "scan-gram.l" -return PERCENT_EXPECT; - YY_BREAK -case 15: -YY_RULE_SETUP -#line 228 "scan-gram.l" -return PERCENT_EXPECT_RR; - YY_BREAK -case 16: -YY_RULE_SETUP -#line 229 "scan-gram.l" -return PERCENT_FILE_PREFIX; - YY_BREAK -case 17: -YY_RULE_SETUP -#line 230 "scan-gram.l" -return PERCENT_YACC; - YY_BREAK -case 18: -YY_RULE_SETUP -#line 231 "scan-gram.l" -token_type = PERCENT_INITIAL_ACTION; BEGIN SC_PRE_CODE; - YY_BREAK -case 19: -YY_RULE_SETUP -#line 232 "scan-gram.l" -return PERCENT_GLR_PARSER; - YY_BREAK -case 20: -YY_RULE_SETUP -#line 233 "scan-gram.l" -return PERCENT_LEFT; - YY_BREAK -case 21: -YY_RULE_SETUP -#line 234 "scan-gram.l" -token_type = PERCENT_LEX_PARAM; BEGIN SC_PRE_CODE; - YY_BREAK -case 22: -YY_RULE_SETUP -#line 235 "scan-gram.l" -return PERCENT_LOCATIONS; - YY_BREAK -case 23: -YY_RULE_SETUP -#line 236 "scan-gram.l" -return PERCENT_MERGE; - YY_BREAK -case 24: -YY_RULE_SETUP -#line 237 "scan-gram.l" -return PERCENT_NAME_PREFIX; - YY_BREAK -case 25: -YY_RULE_SETUP -#line 238 "scan-gram.l" -return PERCENT_NO_DEFAULT_PREC; - YY_BREAK -case 26: -YY_RULE_SETUP -#line 239 "scan-gram.l" -return PERCENT_NO_LINES; - YY_BREAK -case 27: -YY_RULE_SETUP -#line 240 "scan-gram.l" -return PERCENT_NONASSOC; - YY_BREAK -case 28: -YY_RULE_SETUP -#line 241 "scan-gram.l" -return PERCENT_NONDETERMINISTIC_PARSER; - YY_BREAK -case 29: -YY_RULE_SETUP -#line 242 "scan-gram.l" -return PERCENT_NTERM; - YY_BREAK -case 30: -YY_RULE_SETUP -#line 243 "scan-gram.l" -return PERCENT_OUTPUT; - YY_BREAK -case 31: -YY_RULE_SETUP -#line 244 "scan-gram.l" -token_type = PERCENT_PARSE_PARAM; BEGIN SC_PRE_CODE; - YY_BREAK -case 32: -YY_RULE_SETUP -#line 245 "scan-gram.l" -rule_length--; return PERCENT_PREC; - YY_BREAK -case 33: -YY_RULE_SETUP -#line 246 "scan-gram.l" -token_type = PERCENT_PRINTER; BEGIN SC_PRE_CODE; - YY_BREAK -case 34: -YY_RULE_SETUP -#line 247 "scan-gram.l" -return PERCENT_PURE_PARSER; - YY_BREAK -case 35: -YY_RULE_SETUP -#line 248 "scan-gram.l" -return PERCENT_REQUIRE; - YY_BREAK -case 36: -YY_RULE_SETUP -#line 249 "scan-gram.l" -return PERCENT_RIGHT; - YY_BREAK -case 37: -YY_RULE_SETUP -#line 250 "scan-gram.l" -return PERCENT_SKELETON; - YY_BREAK -case 38: -YY_RULE_SETUP -#line 251 "scan-gram.l" -return PERCENT_START; - YY_BREAK -case 39: -YY_RULE_SETUP -#line 252 "scan-gram.l" -return PERCENT_TOKEN; - YY_BREAK -case 40: -YY_RULE_SETUP -#line 253 "scan-gram.l" -return PERCENT_TOKEN; - YY_BREAK -case 41: -YY_RULE_SETUP -#line 254 "scan-gram.l" -return PERCENT_TOKEN_TABLE; - YY_BREAK -case 42: -YY_RULE_SETUP -#line 255 "scan-gram.l" -return PERCENT_TYPE; - YY_BREAK -case 43: -YY_RULE_SETUP -#line 256 "scan-gram.l" -token_type = PERCENT_UNION; BEGIN SC_PRE_CODE; - YY_BREAK -case 44: -YY_RULE_SETUP -#line 257 "scan-gram.l" -return PERCENT_VERBOSE; - YY_BREAK -case 45: -YY_RULE_SETUP -#line 258 "scan-gram.l" -return PERCENT_YACC; - YY_BREAK -case 46: -YY_RULE_SETUP -#line 260 "scan-gram.l" -{ - complain_at (*loc, _("invalid directive: %s"), quote (gram_text)); - } - YY_BREAK -case 47: -YY_RULE_SETUP -#line 264 "scan-gram.l" -return EQUAL; - YY_BREAK -case 48: -YY_RULE_SETUP -#line 265 "scan-gram.l" -rule_length = 0; return PIPE; - YY_BREAK -case 49: -YY_RULE_SETUP -#line 266 "scan-gram.l" -return SEMICOLON; - YY_BREAK -case 50: -YY_RULE_SETUP -#line 268 "scan-gram.l" -{ - val->symbol = symbol_get (gram_text, *loc); - id_loc = *loc; - increment_rule_length (*loc); - BEGIN SC_AFTER_IDENTIFIER; - } - YY_BREAK -case 51: -YY_RULE_SETUP -#line 275 "scan-gram.l" -{ - val->integer = scan_integer (gram_text, 10, *loc); - return INT; - } - YY_BREAK -case 52: -YY_RULE_SETUP -#line 279 "scan-gram.l" -{ - val->integer = scan_integer (gram_text, 16, *loc); - return INT; - } - YY_BREAK -/* Characters. We don't check there is only one. */ -case 53: -YY_RULE_SETUP -#line 285 "scan-gram.l" -STRING_GROW; token_start = loc->start; BEGIN SC_ESCAPED_CHARACTER; - YY_BREAK -/* Strings. */ -case 54: -YY_RULE_SETUP -#line 288 "scan-gram.l" -token_start = loc->start; BEGIN SC_ESCAPED_STRING; - YY_BREAK -/* Prologue. */ -case 55: -YY_RULE_SETUP -#line 291 "scan-gram.l" -code_start = loc->start; BEGIN SC_PROLOGUE; - YY_BREAK -/* Code in between braces. */ -case 56: -YY_RULE_SETUP -#line 294 "scan-gram.l" -{ - if (current_rule && current_rule->action) - grammar_midrule_action (); - STRING_GROW; - token_type = BRACED_CODE; - braces_level = 0; - code_start = loc->start; - BEGIN SC_BRACED_CODE; - } - YY_BREAK -/* A type. */ -case 57: -YY_RULE_SETUP -#line 305 "scan-gram.l" -{ - obstack_grow (&obstack_for_string, gram_text + 1, gram_leng - 2); - STRING_FINISH; - val->uniqstr = uniqstr_new (last_string); - STRING_FREE; - return TYPE; - } - YY_BREAK -case 58: -YY_RULE_SETUP -#line 313 "scan-gram.l" -{ - static int percent_percent_count; - if (++percent_percent_count == 2) - BEGIN SC_EPILOGUE; - return PERCENT_PERCENT; - } - YY_BREAK -case 59: -YY_RULE_SETUP -#line 320 "scan-gram.l" -{ - complain_at (*loc, _("invalid character: %s"), quote (gram_text)); - } - YY_BREAK -case YY_STATE_EOF(INITIAL): -#line 324 "scan-gram.l" -{ - loc->start = loc->end = scanner_cursor; - yyterminate (); - } - YY_BREAK - -/*-----------------------------------------------------------------. - | Scanning after an identifier, checking whether a colon is next. | - `-----------------------------------------------------------------*/ - - -case 60: -YY_RULE_SETUP -#line 337 "scan-gram.l" -{ - rule_length = 0; - *loc = id_loc; - BEGIN INITIAL; - return ID_COLON; - } - YY_BREAK -case 61: -YY_RULE_SETUP -#line 343 "scan-gram.l" -{ - scanner_cursor.column -= mbsnwidth (gram_text, gram_leng, 0); - yyless (0); - *loc = id_loc; - BEGIN INITIAL; - return ID; - } - YY_BREAK -case YY_STATE_EOF(SC_AFTER_IDENTIFIER): -#line 350 "scan-gram.l" -{ - *loc = id_loc; - BEGIN INITIAL; - return ID; - } - YY_BREAK - -/*---------------------------------------------------------------. - | Scanning a Yacc comment. The initial `/ *' is already eaten. | - `---------------------------------------------------------------*/ - - -case 62: -YY_RULE_SETUP -#line 364 "scan-gram.l" -BEGIN context_state; - YY_BREAK -case 63: -/* rule 63 can match eol */ -YY_RULE_SETUP -#line 365 "scan-gram.l" -; - YY_BREAK -case YY_STATE_EOF(SC_YACC_COMMENT): -#line 366 "scan-gram.l" -unexpected_eof (token_start, "*/"); BEGIN context_state; - YY_BREAK - -/*------------------------------------------------------------. - | Scanning a C comment. The initial `/ *' is already eaten. | - `------------------------------------------------------------*/ - - -case 64: -/* rule 64 can match eol */ -YY_RULE_SETUP -#line 376 "scan-gram.l" -STRING_GROW; BEGIN context_state; - YY_BREAK -case YY_STATE_EOF(SC_COMMENT): -#line 377 "scan-gram.l" -unexpected_eof (token_start, "*/"); BEGIN context_state; - YY_BREAK - -/*--------------------------------------------------------------. - | Scanning a line comment. The initial `//' is already eaten. | - `--------------------------------------------------------------*/ - - -case 65: -/* rule 65 can match eol */ -YY_RULE_SETUP -#line 387 "scan-gram.l" -STRING_GROW; BEGIN context_state; - YY_BREAK -case 66: -/* rule 66 can match eol */ -YY_RULE_SETUP -#line 388 "scan-gram.l" -STRING_GROW; - YY_BREAK -case YY_STATE_EOF(SC_LINE_COMMENT): -#line 389 "scan-gram.l" -BEGIN context_state; - YY_BREAK - -/*------------------------------------------------. - | Scanning a Bison string, including its escapes. | - | The initial quote is already eaten. | - `------------------------------------------------*/ - - -case 67: -YY_RULE_SETUP -#line 400 "scan-gram.l" -{ - STRING_FINISH; - loc->start = token_start; - val->chars = last_string; - increment_rule_length (*loc); - BEGIN INITIAL; - return STRING; - } - YY_BREAK -case 68: -/* rule 68 can match eol */ -YY_RULE_SETUP -#line 408 "scan-gram.l" -unexpected_newline (token_start, "\""); BEGIN INITIAL; - YY_BREAK -case YY_STATE_EOF(SC_ESCAPED_STRING): -#line 409 "scan-gram.l" -unexpected_eof (token_start, "\""); BEGIN INITIAL; - YY_BREAK - -/*----------------------------------------------------------. - | Scanning a Bison character literal, decoding its escapes. | - | The initial quote is already eaten. | - `----------------------------------------------------------*/ - - -case 69: -YY_RULE_SETUP -#line 419 "scan-gram.l" -{ - unsigned char last_string_1; - STRING_GROW; - STRING_FINISH; - loc->start = token_start; - val->symbol = symbol_get (quotearg_style (escape_quoting_style, - last_string), - *loc); - symbol_class_set (val->symbol, token_sym, *loc, false); - last_string_1 = last_string[1]; - symbol_user_token_number_set (val->symbol, last_string_1, *loc); - STRING_FREE; - increment_rule_length (*loc); - BEGIN INITIAL; - return ID; - } - YY_BREAK -case 70: -/* rule 70 can match eol */ -YY_RULE_SETUP -#line 435 "scan-gram.l" -unexpected_newline (token_start, "'"); BEGIN INITIAL; - YY_BREAK -case YY_STATE_EOF(SC_ESCAPED_CHARACTER): -#line 436 "scan-gram.l" -unexpected_eof (token_start, "'"); BEGIN INITIAL; - YY_BREAK - - - -case 71: -YY_RULE_SETUP -#line 441 "scan-gram.l" -complain_at (*loc, _("invalid null character")); - YY_BREAK - -/*----------------------------. - | Decode escaped characters. | - `----------------------------*/ - - -case 72: -YY_RULE_SETUP -#line 451 "scan-gram.l" -{ - unsigned long int c = strtoul (gram_text + 1, NULL, 8); - if (UCHAR_MAX < c) - complain_at (*loc, _("invalid escape sequence: %s"), quote (gram_text)); - else if (! c) - complain_at (*loc, _("invalid null character: %s"), quote (gram_text)); - else - obstack_1grow (&obstack_for_string, c); - } - YY_BREAK -case 73: -YY_RULE_SETUP -#line 461 "scan-gram.l" -{ - verify (UCHAR_MAX < ULONG_MAX); - unsigned long int c = strtoul (gram_text + 2, NULL, 16); - if (UCHAR_MAX < c) - complain_at (*loc, _("invalid escape sequence: %s"), quote (gram_text)); - else if (! c) - complain_at (*loc, _("invalid null character: %s"), quote (gram_text)); - else - obstack_1grow (&obstack_for_string, c); - } - YY_BREAK -case 74: -YY_RULE_SETUP -#line 472 "scan-gram.l" -obstack_1grow (&obstack_for_string, '\a'); - YY_BREAK -case 75: -YY_RULE_SETUP -#line 473 "scan-gram.l" -obstack_1grow (&obstack_for_string, '\b'); - YY_BREAK -case 76: -YY_RULE_SETUP -#line 474 "scan-gram.l" -obstack_1grow (&obstack_for_string, '\f'); - YY_BREAK -case 77: -YY_RULE_SETUP -#line 475 "scan-gram.l" -obstack_1grow (&obstack_for_string, '\n'); - YY_BREAK -case 78: -YY_RULE_SETUP -#line 476 "scan-gram.l" -obstack_1grow (&obstack_for_string, '\r'); - YY_BREAK -case 79: -YY_RULE_SETUP -#line 477 "scan-gram.l" -obstack_1grow (&obstack_for_string, '\t'); - YY_BREAK -case 80: -YY_RULE_SETUP -#line 478 "scan-gram.l" -obstack_1grow (&obstack_for_string, '\v'); - YY_BREAK -/* \\[\"\'?\\] would be shorter, but it confuses xgettext. */ -case 81: -YY_RULE_SETUP -#line 481 "scan-gram.l" -obstack_1grow (&obstack_for_string, gram_text[1]); - YY_BREAK -case 82: -YY_RULE_SETUP -#line 483 "scan-gram.l" -{ - int c = convert_ucn_to_byte (gram_text); - if (c < 0) - complain_at (*loc, _("invalid escape sequence: %s"), quote (gram_text)); - else if (! c) - complain_at (*loc, _("invalid null character: %s"), quote (gram_text)); - else - obstack_1grow (&obstack_for_string, c); - } - YY_BREAK -case 83: -/* rule 83 can match eol */ -YY_RULE_SETUP -#line 492 "scan-gram.l" -{ - complain_at (*loc, _("unrecognized escape sequence: %s"), quote (gram_text)); - STRING_GROW; - } - YY_BREAK - -/*--------------------------------------------. - | Scanning user-code characters and strings. | - `--------------------------------------------*/ - - -case 84: -/* rule 84 can match eol */ -YY_RULE_SETUP -#line 504 "scan-gram.l" -STRING_GROW; - YY_BREAK - - - -case 85: -YY_RULE_SETUP -#line 509 "scan-gram.l" -STRING_GROW; BEGIN context_state; - YY_BREAK -case 86: -/* rule 86 can match eol */ -YY_RULE_SETUP -#line 510 "scan-gram.l" -unexpected_newline (token_start, "'"); BEGIN context_state; - YY_BREAK -case YY_STATE_EOF(SC_CHARACTER): -#line 511 "scan-gram.l" -unexpected_eof (token_start, "'"); BEGIN context_state; - YY_BREAK - - - -case 87: -YY_RULE_SETUP -#line 516 "scan-gram.l" -STRING_GROW; BEGIN context_state; - YY_BREAK -case 88: -/* rule 88 can match eol */ -YY_RULE_SETUP -#line 517 "scan-gram.l" -unexpected_newline (token_start, "\""); BEGIN context_state; - YY_BREAK -case YY_STATE_EOF(SC_STRING): -#line 518 "scan-gram.l" -unexpected_eof (token_start, "\""); BEGIN context_state; - YY_BREAK - -/*---------------------------------------------------. - | Strings, comments etc. can be found in user code. | - `---------------------------------------------------*/ - - -case 89: -YY_RULE_SETUP -#line 528 "scan-gram.l" -{ - STRING_GROW; - context_state = YY_START; - token_start = loc->start; - BEGIN SC_CHARACTER; - } - YY_BREAK -case 90: -YY_RULE_SETUP -#line 534 "scan-gram.l" -{ - STRING_GROW; - context_state = YY_START; - token_start = loc->start; - BEGIN SC_STRING; - } - YY_BREAK -case 91: -/* rule 91 can match eol */ -YY_RULE_SETUP -#line 540 "scan-gram.l" -{ - STRING_GROW; - context_state = YY_START; - token_start = loc->start; - BEGIN SC_COMMENT; - } - YY_BREAK -case 92: -/* rule 92 can match eol */ -YY_RULE_SETUP -#line 546 "scan-gram.l" -{ - STRING_GROW; - context_state = YY_START; - BEGIN SC_LINE_COMMENT; - } - YY_BREAK - -/*---------------------------------------------------------------. - | Scanning after %union etc., possibly followed by white space. | - | For %union only, allow arbitrary C code to appear before the | - | following brace, as an extension to POSIX. | - `---------------------------------------------------------------*/ - - -case 93: -YY_RULE_SETUP -#line 562 "scan-gram.l" -{ - bool valid = gram_text[0] == '{' || token_type == PERCENT_UNION; - scanner_cursor.column -= mbsnwidth (gram_text, gram_leng, 0); - yyless (0); - - if (valid) - { - braces_level = -1; - code_start = loc->start; - BEGIN SC_BRACED_CODE; - } - else - { - complain_at (*loc, _("missing `{' in %s"), - token_name (token_type)); - obstack_sgrow (&obstack_for_string, "{}"); - STRING_FINISH; - val->chars = last_string; - BEGIN INITIAL; - return token_type; - } - } - YY_BREAK -case YY_STATE_EOF(SC_PRE_CODE): -#line 585 "scan-gram.l" -unexpected_eof (scanner_cursor, "{}"); BEGIN INITIAL; - YY_BREAK - -/*---------------------------------------------------------------. - | Scanning some code in braces (%union and actions). The initial | - | "{" is already eaten. | - `---------------------------------------------------------------*/ - - -case 94: -/* rule 94 can match eol */ -YY_RULE_SETUP -#line 596 "scan-gram.l" -STRING_GROW; braces_level++; - YY_BREAK -case 95: -/* rule 95 can match eol */ -YY_RULE_SETUP -#line 597 "scan-gram.l" -STRING_GROW; braces_level--; - YY_BREAK -case 96: -YY_RULE_SETUP -#line 598 "scan-gram.l" -{ - bool outer_brace = --braces_level < 0; - - /* As an undocumented Bison extension, append `;' before the last - brace in braced code, so that the user code can omit trailing - `;'. But do not append `;' if emulating Yacc, since Yacc does - not append one. - - FIXME: Bison should warn if a semicolon seems to be necessary - here, and should omit the semicolon if it seems unnecessary - (e.g., after ';', '{', or '}', each followed by comments or - white space). Such a warning shouldn't depend on --yacc; it - should depend on a new --pedantic option, which would cause - Bison to warn if it detects an extension to POSIX. --pedantic - should also diagnose other Bison extensions like %yacc. - Perhaps there should also be a GCC-style --pedantic-errors - option, so that such warnings are diagnosed as errors. */ - if (outer_brace && token_type == BRACED_CODE && ! yacc_flag) - obstack_1grow (&obstack_for_string, ';'); - - obstack_1grow (&obstack_for_string, '}'); - - if (outer_brace) - { - STRING_FINISH; - loc->start = code_start; - val->chars = last_string; - increment_rule_length (*loc); - last_braced_code_loc = *loc; - BEGIN INITIAL; - return token_type; - } - } - YY_BREAK -/* Tokenize `<<%' correctly (as `<<' `%') rather than incorrrectly - (as `<' `<%'). */ -case 97: -/* rule 97 can match eol */ -YY_RULE_SETUP -#line 634 "scan-gram.l" -STRING_GROW; - YY_BREAK -case 98: -YY_RULE_SETUP -#line 636 "scan-gram.l" -handle_dollar (token_type, gram_text, *loc); - YY_BREAK -case 99: -YY_RULE_SETUP -#line 637 "scan-gram.l" -handle_at (token_type, gram_text, *loc); - YY_BREAK -case 100: -YY_RULE_SETUP -#line 639 "scan-gram.l" -{ - warn_at (*loc, _("stray `$'")); - obstack_sgrow (&obstack_for_string, "$]["); - } - YY_BREAK -case 101: -YY_RULE_SETUP -#line 643 "scan-gram.l" -{ - warn_at (*loc, _("stray `@'")); - obstack_sgrow (&obstack_for_string, "@@"); - } - YY_BREAK -case YY_STATE_EOF(SC_BRACED_CODE): -#line 648 "scan-gram.l" -unexpected_eof (code_start, "}"); BEGIN INITIAL; - YY_BREAK - -/*--------------------------------------------------------------. - | Scanning some prologue: from "%{" (already scanned) to "%}". | - `--------------------------------------------------------------*/ - - -case 102: -YY_RULE_SETUP -#line 658 "scan-gram.l" -{ - STRING_FINISH; - loc->start = code_start; - val->chars = last_string; - BEGIN INITIAL; - return PROLOGUE; - } - YY_BREAK -case YY_STATE_EOF(SC_PROLOGUE): -#line 666 "scan-gram.l" -unexpected_eof (code_start, "%}"); BEGIN INITIAL; - YY_BREAK - -/*---------------------------------------------------------------. - | Scanning the epilogue (everything after the second "%%", which | - | has already been eaten). | - `---------------------------------------------------------------*/ - - -case YY_STATE_EOF(SC_EPILOGUE): -#line 677 "scan-gram.l" -{ - STRING_FINISH; - loc->start = code_start; - val->chars = last_string; - BEGIN INITIAL; - return EPILOGUE; - } - YY_BREAK - -/*-----------------------------------------. - | Escape M4 quoting characters in C code. | - `-----------------------------------------*/ - - -case 103: -YY_RULE_SETUP -#line 693 "scan-gram.l" -obstack_sgrow (&obstack_for_string, "$]["); - YY_BREAK -case 104: -YY_RULE_SETUP -#line 694 "scan-gram.l" -obstack_sgrow (&obstack_for_string, "@@"); - YY_BREAK -case 105: -YY_RULE_SETUP -#line 695 "scan-gram.l" -obstack_sgrow (&obstack_for_string, "@{"); - YY_BREAK -case 106: -YY_RULE_SETUP -#line 696 "scan-gram.l" -obstack_sgrow (&obstack_for_string, "@}"); - YY_BREAK - -/*-----------------------------------------------------. - | By default, grow the string obstack with the input. | - `-----------------------------------------------------*/ -case 107: -#line 705 "scan-gram.l" -case 108: -/* rule 108 can match eol */ -YY_RULE_SETUP -#line 705 "scan-gram.l" -STRING_GROW; - YY_BREAK -case 109: -YY_RULE_SETUP -#line 707 "scan-gram.l" -YY_FATAL_ERROR( "flex scanner jammed" ); - YY_BREAK -#line 2305 "scan-gram.c" - - case YY_END_OF_BUFFER: - { - /* Amount of text matched not including the EOB char. */ - int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; - - /* Undo the effects of YY_DO_BEFORE_ACTION. */ - *yy_cp = (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 gram_in at a new source and called - * gram_lex(). 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. - */ - (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; - YY_CURRENT_BUFFER_LVALUE->yy_input_file = gram_in; - 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 ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) - { /* This was really a NUL. */ - yy_state_type yy_next_state; - - (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; - - yy_current_state = yy_get_previous_state( ); - - /* 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 ); - - yy_bp = (yytext_ptr) + YY_MORE_ADJ; - - if ( yy_next_state ) - { - /* Consume the NUL. */ - yy_cp = ++(yy_c_buf_p); - yy_current_state = yy_next_state; - goto yy_match; - } - - else - { -/* %% [14.0] code to do back-up for compressed tables and set up yy_cp goes here */ - yy_cp = (yy_last_accepting_cpos); - yy_current_state = (yy_last_accepting_state); - goto yy_find_action; - } - } - - else switch ( yy_get_next_buffer( ) ) - { - case EOB_ACT_END_OF_FILE: - { - (yy_did_buffer_switch_on_eof) = 0; - - if ( gram_wrap( ) ) - { - /* Note: because we've taken care in - * yy_get_next_buffer() to have set up - * gram_text, 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. - */ - (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; - - yy_act = YY_STATE_EOF(YY_START); - goto do_action; - } - - else - { - if ( ! (yy_did_buffer_switch_on_eof) ) - YY_NEW_FILE; - } - break; - } - - case EOB_ACT_CONTINUE_SCAN: - (yy_c_buf_p) = - (yytext_ptr) + yy_amount_of_matched_text; - - yy_current_state = yy_get_previous_state( ); - - yy_cp = (yy_c_buf_p); - yy_bp = (yytext_ptr) + YY_MORE_ADJ; - goto yy_match; - - case EOB_ACT_LAST_MATCH: - (yy_c_buf_p) = - &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; - - yy_current_state = yy_get_previous_state( ); - - yy_cp = (yy_c_buf_p); - yy_bp = (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 gram_lex */ -/* %ok-for-header */ - -/* %if-c++-only */ -/* %not-for-header */ - -/* %ok-for-header */ - -/* %endif */ - -/* 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 - */ -/* %if-c-only */ -static int yy_get_next_buffer (void) -/* %endif */ -/* %if-c++-only */ -/* %endif */ -{ - register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; - register char *source = (yytext_ptr); - register int number_to_move, i; - int ret_val; - - if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(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 ( (yy_c_buf_p) - (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) ((yy_c_buf_p) - (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 = (yy_n_chars) = 0; - - else - { - size_t num_to_read = - YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; - - while ( num_to_read <= 0 ) - { /* Not enough room in the buffer - grow it. */ - - /* just a shorter name for the current buffer */ - YY_BUFFER_STATE b = YY_CURRENT_BUFFER; - - int yy_c_buf_p_offset = - (int) ((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. */ - gram_realloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); - } - else - /* Can't grow it, we don't own it. */ - b->yy_ch_buf = 0; - - if ( ! b->yy_ch_buf ) - YY_FATAL_ERROR( - "fatal error - scanner input buffer overflow" ); - - (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; - - num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - - number_to_move - 1; - - } - - if ( num_to_read > YY_READ_BUF_SIZE ) - num_to_read = YY_READ_BUF_SIZE; - - /* Read in more data. */ - YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), - (yy_n_chars), num_to_read ); - - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); - } - - if ( (yy_n_chars) == 0 ) - { - if ( number_to_move == YY_MORE_ADJ ) - { - ret_val = EOB_ACT_END_OF_FILE; - gram_restart(gram_in ); - } - - 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; - - (yy_n_chars) += number_to_move; - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; - - (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 */ - -/* %if-c-only */ -/* %not-for-header */ - - static yy_state_type yy_get_previous_state (void) -/* %endif */ -/* %if-c++-only */ -/* %endif */ -{ - register yy_state_type yy_current_state; - register char *yy_cp; - -/* %% [15.0] code to get the start state into yy_current_state goes here */ - yy_current_state = (yy_start); - yy_current_state += YY_AT_BOL(); - - for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) - { -/* %% [16.0] code to find the next state goes here */ - register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 58); - if ( yy_accept[yy_current_state] ) - { - (yy_last_accepting_state) = yy_current_state; - (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 >= 461 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) 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 ); - */ -/* %if-c-only */ - static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) -/* %endif */ -/* %if-c++-only */ -/* %endif */ -{ - register int yy_is_jam; - /* %% [17.0] code to find the next state, and perhaps do backing up, goes here */ - register char *yy_cp = (yy_c_buf_p); - - register YY_CHAR yy_c = 58; - if ( yy_accept[yy_current_state] ) - { - (yy_last_accepting_state) = yy_current_state; - (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 >= 461 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - yy_is_jam = (yy_current_state == 460); - - return yy_is_jam ? 0 : yy_current_state; -} - -/* %if-c-only */ - -/* %endif */ - -/* %if-c-only */ -#ifndef YY_NO_INPUT -#ifdef __cplusplus - static int yyinput (void) -#else - static int input (void) -#endif - -/* %endif */ -/* %if-c++-only */ -/* %endif */ -{ - int c; - - *(yy_c_buf_p) = (yy_hold_char); - - if ( *(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 ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) - /* This was really a NUL. */ - *(yy_c_buf_p) = '\0'; - - else - { /* need more input */ - int offset = (yy_c_buf_p) - (yytext_ptr); - ++(yy_c_buf_p); - - switch ( yy_get_next_buffer( ) ) - { - 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. */ - gram_restart(gram_in ); - - /*FALLTHROUGH*/ - - case EOB_ACT_END_OF_FILE: - { - if ( gram_wrap( ) ) - return EOF; - - if ( ! (yy_did_buffer_switch_on_eof) ) - YY_NEW_FILE; -#ifdef __cplusplus - return yyinput(); -#else - return input(); -#endif - } - - case EOB_ACT_CONTINUE_SCAN: - (yy_c_buf_p) = (yytext_ptr) + offset; - break; - } - } - } - - c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ - *(yy_c_buf_p) = '\0'; /* preserve gram_text */ - (yy_hold_char) = *++(yy_c_buf_p); - -/* %% [19.0] update BOL and gram_lineno */ - YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n'); - - return c; -} -/* %if-c-only */ -#endif /* ifndef YY_NO_INPUT */ -/* %endif */ - -/** Immediately switch to a different input stream. - * @param input_file A readable stream. - * - * @note This function does not reset the start condition to @c INITIAL . - */ -/* %if-c-only */ - void gram_restart (FILE * input_file ) -/* %endif */ -/* %if-c++-only */ -/* %endif */ -{ - - if ( ! YY_CURRENT_BUFFER ){ - gram_ensure_buffer_stack (); - YY_CURRENT_BUFFER_LVALUE = - gram__create_buffer(gram_in,YY_BUF_SIZE ); - } - - gram__init_buffer(YY_CURRENT_BUFFER,input_file ); - gram__load_buffer_state( ); -} - -/** Switch to a different input buffer. - * @param new_buffer The new input buffer. - * - */ -/* %if-c-only */ - void gram__switch_to_buffer (YY_BUFFER_STATE new_buffer ) -/* %endif */ -/* %if-c++-only */ -/* %endif */ -{ - - /* TODO. We should be able to replace this entire function body - * with - * gram_pop_buffer_state(); - * gram_push_buffer_state(new_buffer); - */ - gram_ensure_buffer_stack (); - if ( YY_CURRENT_BUFFER == new_buffer ) - return; - - if ( YY_CURRENT_BUFFER ) - { - /* Flush out information for old buffer. */ - *(yy_c_buf_p) = (yy_hold_char); - YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); - } - - YY_CURRENT_BUFFER_LVALUE = new_buffer; - gram__load_buffer_state( ); - - /* We don't actually know whether we did this switch during - * EOF (gram_wrap()) processing, but the only time this flag - * is looked at is after gram_wrap() is called, so it's safe - * to go ahead and always set it. - */ - (yy_did_buffer_switch_on_eof) = 1; -} - -/* %if-c-only */ -static void gram__load_buffer_state (void) -/* %endif */ -/* %if-c++-only */ -/* %endif */ -{ - (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; - (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; - gram_in = YY_CURRENT_BUFFER_LVALUE->yy_input_file; - (yy_hold_char) = *(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. - * - * @return the allocated buffer state. - */ -/* %if-c-only */ - YY_BUFFER_STATE gram__create_buffer (FILE * file, int size ) -/* %endif */ -/* %if-c++-only */ -/* %endif */ -{ - YY_BUFFER_STATE b; - - b = (YY_BUFFER_STATE) gram_alloc(sizeof( struct yy_buffer_state ) ); - if ( ! b ) - YY_FATAL_ERROR( "out of dynamic memory in gram__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 *) gram_alloc(b->yy_buf_size + 2 ); - if ( ! b->yy_ch_buf ) - YY_FATAL_ERROR( "out of dynamic memory in gram__create_buffer()" ); - - b->yy_is_our_buffer = 1; - - gram__init_buffer(b,file ); - - return b; -} - -/** Destroy the buffer. - * @param b a buffer created with gram__create_buffer() - * - */ -/* %if-c-only */ - void gram__delete_buffer (YY_BUFFER_STATE b ) -/* %endif */ -/* %if-c++-only */ -/* %endif */ -{ - - 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 ) - gram_free((void *) b->yy_ch_buf ); - - gram_free((void *) b ); -} - -/* %if-c-only */ - -/* %endif */ - -/* %if-c++-only */ -/* %endif */ - -/* Initializes or reinitializes a buffer. - * This function is sometimes called more than once on the same buffer, - * such as during a gram_restart() or at EOF. - */ -/* %if-c-only */ - static void gram__init_buffer (YY_BUFFER_STATE b, FILE * file ) -/* %endif */ -/* %if-c++-only */ -/* %endif */ - -{ - int oerrno = errno; - - gram__flush_buffer(b ); - - b->yy_input_file = file; - b->yy_fill_buffer = 1; - - /* If b is the current buffer, then gram__init_buffer was _probably_ - * called from gram_restart() 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; - } - -/* %if-c-only */ - - b->yy_is_interactive = 0; - -/* %endif */ -/* %if-c++-only */ -/* %endif */ - 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. - * - */ -/* %if-c-only */ - void gram__flush_buffer (YY_BUFFER_STATE b ) -/* %endif */ -/* %if-c++-only */ -/* %endif */ -{ - 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 ) - gram__load_buffer_state( ); -} - -/* %if-c-or-c++ */ -/** 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. - * - */ -/* %if-c-only */ -void gram_push_buffer_state (YY_BUFFER_STATE new_buffer ) -/* %endif */ -/* %if-c++-only */ -/* %endif */ -{ - if (new_buffer == NULL) - return; - - gram_ensure_buffer_stack(); - - /* This block is copied from gram__switch_to_buffer. */ - if ( YY_CURRENT_BUFFER ) - { - /* Flush out information for old buffer. */ - *(yy_c_buf_p) = (yy_hold_char); - YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); - } - - /* Only push if top exists. Otherwise, replace top. */ - if (YY_CURRENT_BUFFER) - (yy_buffer_stack_top)++; - YY_CURRENT_BUFFER_LVALUE = new_buffer; - - /* copied from gram__switch_to_buffer. */ - gram__load_buffer_state( ); - (yy_did_buffer_switch_on_eof) = 1; -} -/* %endif */ - -/* %if-c-or-c++ */ -/** Removes and deletes the top of the stack, if present. - * The next element becomes the new top. - * - */ -/* %if-c-only */ -void gram_pop_buffer_state (void) -/* %endif */ -/* %if-c++-only */ -/* %endif */ -{ - if (!YY_CURRENT_BUFFER) - return; - - gram__delete_buffer(YY_CURRENT_BUFFER ); - YY_CURRENT_BUFFER_LVALUE = NULL; - if ((yy_buffer_stack_top) > 0) - --(yy_buffer_stack_top); - - if (YY_CURRENT_BUFFER) { - gram__load_buffer_state( ); - (yy_did_buffer_switch_on_eof) = 1; - } -} -/* %endif */ - -/* %if-c-or-c++ */ -/* Allocates the stack if it does not exist. - * Guarantees space for at least one push. - */ -/* %if-c-only */ -static void gram_ensure_buffer_stack (void) -/* %endif */ -/* %if-c++-only */ -/* %endif */ -{ - int num_to_alloc; - - if (!(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; - (yy_buffer_stack) = (struct yy_buffer_state**)gram_alloc - (num_to_alloc * sizeof(struct yy_buffer_state*) - ); - - memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); - - (yy_buffer_stack_max) = num_to_alloc; - (yy_buffer_stack_top) = 0; - return; - } - - if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ - - /* Increase the buffer to prepare for a possible push. */ - int grow_size = 8 /* arbitrary grow size */; - - num_to_alloc = (yy_buffer_stack_max) + grow_size; - (yy_buffer_stack) = (struct yy_buffer_state**)gram_realloc - ((yy_buffer_stack), - num_to_alloc * sizeof(struct yy_buffer_state*) - ); - - /* zero only the new slots.*/ - memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); - (yy_buffer_stack_max) = num_to_alloc; - } -} -/* %endif */ - -/* %if-c-only */ -/** 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 - * - * @return the newly allocated buffer state object. - */ -YY_BUFFER_STATE gram__scan_buffer (char * base, yy_size_t size ) -{ - 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 0; - - b = (YY_BUFFER_STATE) gram_alloc(sizeof( struct yy_buffer_state ) ); - if ( ! b ) - YY_FATAL_ERROR( "out of dynamic memory in gram__scan_buffer()" ); - - b->yy_buf_size = 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 = 0; - 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; - - gram__switch_to_buffer(b ); - - return b; -} -/* %endif */ - -/* %if-c-only */ -/** Setup the input buffer state to scan a string. The next call to gram_lex() will - * scan from a @e copy of @a str. - * @param str a NUL-terminated string to scan - * - * @return the newly allocated buffer state object. - * @note If you want to scan bytes that may contain NUL values, then use - * gram__scan_bytes() instead. - */ -YY_BUFFER_STATE gram__scan_string (yyconst char * yy_str ) -{ - - return gram__scan_bytes(yy_str,strlen(yy_str) ); -} -/* %endif */ - -/* %if-c-only */ -/** Setup the input buffer state to scan the given bytes. The next call to gram_lex() will - * scan from a @e copy of @a bytes. - * @param bytes the byte buffer to scan - * @param len the number of bytes in the buffer pointed to by @a bytes. - * - * @return the newly allocated buffer state object. - */ -YY_BUFFER_STATE gram__scan_bytes (yyconst char * bytes, int len ) -{ - YY_BUFFER_STATE b; - char *buf; - yy_size_t n; - int i; - - /* Get memory for full buffer, including space for trailing EOB's. */ - n = len + 2; - buf = (char *) gram_alloc(n ); - if ( ! buf ) - YY_FATAL_ERROR( "out of dynamic memory in gram__scan_bytes()" ); - - for ( i = 0; i < len; ++i ) - buf[i] = bytes[i]; - - buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR; - - b = gram__scan_buffer(buf,n ); - if ( ! b ) - YY_FATAL_ERROR( "bad buffer in gram__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; -} -/* %endif */ - -#ifndef YY_EXIT_FAILURE -#define YY_EXIT_FAILURE 2 -#endif - -/* %if-c-only */ -static void yy_fatal_error (yyconst char* msg ) -{ - (void) fprintf( stderr, "%s\n", msg ); - exit( YY_EXIT_FAILURE ); -} -/* %endif */ -/* %if-c++-only */ -/* %endif */ - -/* Redefine yyless() so it works in section 3 code. */ - -#undef yyless -#define yyless(n) \ - do \ - { \ - /* Undo effects of setting up gram_text. */ \ - int yyless_macro_arg = (n); \ - YY_LESS_LINENO(yyless_macro_arg);\ - gram_text[gram_leng] = (yy_hold_char); \ - (yy_c_buf_p) = gram_text + yyless_macro_arg; \ - (yy_hold_char) = *(yy_c_buf_p); \ - *(yy_c_buf_p) = '\0'; \ - gram_leng = yyless_macro_arg; \ - } \ - while ( 0 ) - -/* Accessor methods (get/set functions) to struct members. */ - -/* %if-c-only */ -/* %if-reentrant */ -/* %endif */ - -/** Get the current line number. - * - */ -int gram_get_lineno (void) -{ - - return gram_lineno; -} - -/** Get the input stream. - * - */ -FILE *gram_get_in (void) -{ - return gram_in; -} - -/** Get the output stream. - * - */ -FILE *gram_get_out (void) -{ - return gram_out; -} - -/** Get the length of the current token. - * - */ -int gram_get_leng (void) -{ - return gram_leng; -} - -/** Get the current token. - * - */ - -char *gram_get_text (void) -{ - return gram_text; -} - -/* %if-reentrant */ -/* %endif */ - -/** Set the current line number. - * @param line_number - * - */ -void gram_set_lineno (int line_number ) -{ - - gram_lineno = line_number; -} - -/** Set the input stream. This does not discard the current - * input buffer. - * @param in_str A readable stream. - * - * @see gram__switch_to_buffer - */ -void gram_set_in (FILE * in_str ) -{ - gram_in = in_str ; -} - -void gram_set_out (FILE * out_str ) -{ - gram_out = out_str ; -} - -int gram_get_debug (void) -{ - return gram__flex_debug; -} - -void gram_set_debug (int bdebug ) -{ - gram__flex_debug = bdebug ; -} - -/* %endif */ - -/* %if-reentrant */ -/* %if-bison-bridge */ -/* %endif */ -/* %endif */ - -/* %if-c-only SNIP! this currently causes conflicts with the c++ scanner */ -/* gram_lex_destroy is for both reentrant and non-reentrant scanners. */ -int gram_lex_destroy (void) -{ - - /* Pop the buffer stack, destroying each element. */ - while(YY_CURRENT_BUFFER){ - gram__delete_buffer(YY_CURRENT_BUFFER ); - YY_CURRENT_BUFFER_LVALUE = NULL; - gram_pop_buffer_state(); - } - - /* Destroy the stack itself. */ - gram_free((yy_buffer_stack) ); - (yy_buffer_stack) = NULL; - -/* %if-reentrant */ -/* %endif */ - return 0; -} -/* %endif */ - -/* - * Internal utility routines. - */ - -#ifndef yytext_ptr -static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) -{ - register 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 ) -{ - register int n; - for ( n = 0; s[n]; ++n ) - ; - - return n; -} -#endif - -void *gram_alloc (yy_size_t size ) -{ - return (void *) malloc( size ); -} - -void *gram_realloc (void * ptr, yy_size_t size ) -{ - /* 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 (void *) realloc( (char *) ptr, size ); -} - -void gram_free (void * ptr ) -{ - free( (char *) ptr ); /* see gram_realloc() for (char *) cast */ -} - -/* %if-tables-serialization definitions */ -/* %define-yytables The name for this specific scanner's tables. */ -#define YYTABLES_NAME "yytables" -/* %endif */ - -/* %ok-for-header */ - -#undef YY_NEW_FILE -#undef YY_FLUSH_BUFFER -#undef yy_set_bol -#undef yy_new_buffer -#undef yy_set_interactive -#undef yytext_ptr -#undef YY_DO_BEFORE_ACTION - -#ifdef YY_DECL_IS_OURS -#undef YY_DECL_IS_OURS -#undef YY_DECL -#endif -#line 707 "scan-gram.l" - - - -/* Keeps track of the maximum number of semantic values to the left of - a handle (those referenced by $0, $-1, etc.) are required by the - semantic actions of this grammar. */ -int max_left_semantic_context = 0; - -/* If BUF is null, add BUFSIZE (which in this case must be less than - INT_MAX) to COLUMN; otherwise, add mbsnwidth (BUF, BUFSIZE, 0) to - COLUMN. If an overflow occurs, or might occur but is undetectable, - return INT_MAX. Assume COLUMN is nonnegative. */ - -static inline int -add_column_width (int column, char const *buf, size_t bufsize) -{ - size_t width; - unsigned int remaining_columns = INT_MAX - column; - - if (buf) - { - if (INT_MAX / 2 <= bufsize) - return INT_MAX; - width = mbsnwidth (buf, bufsize, 0); - } - else - width = bufsize; - - return width <= remaining_columns ? column + width : INT_MAX; -} - -/* Set *LOC and adjust scanner cursor to account for token TOKEN of - size SIZE. */ - -static void -adjust_location (location *loc, char const *token, size_t size) -{ - int line = scanner_cursor.line; - int column = scanner_cursor.column; - char const *p0 = token; - char const *p = token; - char const *lim = token + size; - - loc->start = scanner_cursor; - - for (p = token; p < lim; p++) - switch (*p) - { - case '\n': - line += line < INT_MAX; - column = 1; - p0 = p + 1; - break; - - case '\t': - column = add_column_width (column, p0, p - p0); - column = add_column_width (column, NULL, 8 - ((column - 1) & 7)); - p0 = p + 1; - break; - - default: - break; - } - - scanner_cursor.line = line; - scanner_cursor.column = column = add_column_width (column, p0, p - p0); - - loc->end = scanner_cursor; - - if (line == INT_MAX && loc->start.line != INT_MAX) - warn_at (*loc, _("line number overflow")); - if (column == INT_MAX && loc->start.column != INT_MAX) - warn_at (*loc, _("column number overflow")); -} - - -/* Read bytes from FP into buffer BUF of size SIZE. Return the - number of bytes read. Remove '\r' from input, treating \r\n - and isolated \r as \n. */ - -static size_t -no_cr_read (FILE *fp, char *buf, size_t size) -{ - size_t bytes_read = fread (buf, 1, size, fp); - if (bytes_read) - { - char *w = memchr (buf, '\r', bytes_read); - if (w) - { - char const *r = ++w; - char const *lim = buf + bytes_read; - - for (;;) - { - /* Found an '\r'. Treat it like '\n', but ignore any - '\n' that immediately follows. */ - w[-1] = '\n'; - if (r == lim) - { - int ch = getc (fp); - if (ch != '\n' && ungetc (ch, fp) != ch) - break; - } - else if (*r == '\n') - r++; - - /* Copy until the next '\r'. */ - do - { - if (r == lim) - return w - buf; - } - while ((*w++ = *r++) != '\r'); - } - - return w - buf; - } - } - - return bytes_read; -} - - -/*------------------------------------------------------------------. -| TEXT is pointing to a wannabee semantic value (i.e., a `$'). | -| | -| Possible inputs: $[<TYPENAME>]($|integer) | -| | -| Output to OBSTACK_FOR_STRING a reference to this semantic value. | -`------------------------------------------------------------------*/ - -static inline bool -handle_action_dollar (char *text, location loc) -{ - const char *type_name = NULL; - char *cp = text + 1; - - if (! current_rule) - return false; - - /* Get the type name if explicit. */ - if (*cp == '<') - { - type_name = ++cp; - while (*cp != '>') - ++cp; - *cp = '\0'; - ++cp; - } - - if (*cp == '$') - { - if (!type_name) - type_name = symbol_list_n_type_name_get (current_rule, loc, 0); - if (!type_name && typed) - complain_at (loc, _("$$ of `%s' has no declared type"), - current_rule->sym->tag); - if (!type_name) - type_name = ""; - obstack_fgrow1 (&obstack_for_string, - "]b4_lhs_value([%s])[", type_name); - current_rule->used = true; - } - else - { - long int num = strtol (cp, NULL, 10); - - if (1 - INT_MAX + rule_length <= num && num <= rule_length) - { - int n = num; - if (max_left_semantic_context < 1 - n) - max_left_semantic_context = 1 - n; - if (!type_name && 0 < n) - type_name = symbol_list_n_type_name_get (current_rule, loc, n); - if (!type_name && typed) - complain_at (loc, _("$%d of `%s' has no declared type"), - n, current_rule->sym->tag); - if (!type_name) - type_name = ""; - obstack_fgrow3 (&obstack_for_string, - "]b4_rhs_value(%d, %d, [%s])[", - rule_length, n, type_name); - symbol_list_n_used_set (current_rule, n, true); - } - else - complain_at (loc, _("integer out of range: %s"), quote (text)); - } - - return true; -} - - -/*----------------------------------------------------------------. -| Map `$?' onto the proper M4 symbol, depending on its TOKEN_TYPE | -| (are we in an action?). | -`----------------------------------------------------------------*/ - -static void -handle_dollar (int token_type, char *text, location loc) -{ - switch (token_type) - { - case BRACED_CODE: - if (handle_action_dollar (text, loc)) - return; - break; - - case PERCENT_DESTRUCTOR: - case PERCENT_INITIAL_ACTION: - case PERCENT_PRINTER: - if (text[1] == '$') - { - obstack_sgrow (&obstack_for_string, "]b4_dollar_dollar["); - return; - } - break; - - default: - break; - } - - complain_at (loc, _("invalid value: %s"), quote (text)); -} - - -/*------------------------------------------------------. -| TEXT is a location token (i.e., a `@...'). Output to | -| OBSTACK_FOR_STRING a reference to this location. | -`------------------------------------------------------*/ - -static inline bool -handle_action_at (char *text, location loc) -{ - char *cp = text + 1; - locations_flag = true; - - if (! current_rule) - return false; - - if (*cp == '$') - obstack_sgrow (&obstack_for_string, "]b4_lhs_location["); - else - { - long int num = strtol (cp, NULL, 10); - - if (1 - INT_MAX + rule_length <= num && num <= rule_length) - { - int n = num; - obstack_fgrow2 (&obstack_for_string, "]b4_rhs_location(%d, %d)[", - rule_length, n); - } - else - complain_at (loc, _("integer out of range: %s"), quote (text)); - } - - return true; -} - - -/*----------------------------------------------------------------. -| Map `@?' onto the proper M4 symbol, depending on its TOKEN_TYPE | -| (are we in an action?). | -`----------------------------------------------------------------*/ - -static void -handle_at (int token_type, char *text, location loc) -{ - switch (token_type) - { - case BRACED_CODE: - handle_action_at (text, loc); - return; - - case PERCENT_INITIAL_ACTION: - case PERCENT_DESTRUCTOR: - case PERCENT_PRINTER: - if (text[1] == '$') - { - obstack_sgrow (&obstack_for_string, "]b4_at_dollar["); - return; - } - break; - - default: - break; - } - - complain_at (loc, _("invalid value: %s"), quote (text)); -} - - -/*------------------------------------------------------. -| Scan NUMBER for a base-BASE integer at location LOC. | -`------------------------------------------------------*/ - -static unsigned long int -scan_integer (char const *number, int base, location loc) -{ - verify (INT_MAX < ULONG_MAX); - unsigned long int num = strtoul (number, NULL, base); - - if (INT_MAX < num) - { - complain_at (loc, _("integer out of range: %s"), quote (number)); - num = INT_MAX; - } - - return num; -} - - -/*------------------------------------------------------------------. -| Convert universal character name UCN to a single-byte character, | -| and return that character. Return -1 if UCN does not correspond | -| to a single-byte character. | -`------------------------------------------------------------------*/ - -static int -convert_ucn_to_byte (char const *ucn) -{ - verify (UCHAR_MAX <= INT_MAX); - unsigned long int code = strtoul (ucn + 2, NULL, 16); - - /* FIXME: Currently we assume Unicode-compatible unibyte characters - on ASCII hosts (i.e., Latin-1 on hosts with 8-bit bytes). On - non-ASCII hosts we support only the portable C character set. - These limitations should be removed once we add support for - multibyte characters. */ - - if (UCHAR_MAX < code) - return -1; - -#if ! ('$' == 0x24 && '@' == 0x40 && '`' == 0x60 && '~' == 0x7e) - { - /* A non-ASCII host. Use CODE to index into a table of the C - basic execution character set, which is guaranteed to exist on - all Standard C platforms. This table also includes '$', '@', - and '`', which are not in the basic execution character set but - which are unibyte characters on all the platforms that we know - about. */ - static signed char const table[] = - { - '\0', -1, -1, -1, -1, -1, -1, '\a', - '\b', '\t', '\n', '\v', '\f', '\r', -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - ' ', '!', '"', '#', '$', '%', '&', '\'', - '(', ')', '*', '+', ',', '-', '.', '/', - '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', ':', ';', '<', '=', '>', '?', - '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', - 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', - 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', - 'X', 'Y', 'Z', '[', '\\', ']', '^', '_', - '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', - 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', - 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', - 'x', 'y', 'z', '{', '|', '}', '~' - }; - - code = code < sizeof table ? table[code] : -1; - } -#endif - - return code; -} - - -/*----------------------------------------------------------------. -| Handle `#line INT "FILE"'. ARGS has already skipped `#line '. | -`----------------------------------------------------------------*/ - -static void -handle_syncline (char *args, location loc) -{ - char *after_num; - unsigned long int lineno = strtoul (args, &after_num, 10); - char *file = strchr (after_num, '"') + 1; - *strchr (file, '"') = '\0'; - if (INT_MAX <= lineno) - { - warn_at (loc, _("line number overflow")); - lineno = INT_MAX; - } - scanner_cursor.file = current_file = uniqstr_new (file); - scanner_cursor.line = lineno; - scanner_cursor.column = 1; -} - - -/*---------------------------------. -| Report a rule that is too long. | -`---------------------------------*/ - -static void -rule_length_overflow (location loc) -{ - fatal_at (loc, _("rule is too long")); -} - - -/*----------------------------------------------------------------. -| For a token or comment starting at START, report message MSGID, | -| which should say that an end marker was found before | -| the expected TOKEN_END. | -`----------------------------------------------------------------*/ - -static void -unexpected_end (boundary start, char const *msgid, char const *token_end) -{ - location loc; - loc.start = start; - loc.end = scanner_cursor; - complain_at (loc, _(msgid), token_end); -} - - -/*------------------------------------------------------------------------. -| Report an unexpected EOF in a token or comment starting at START. | -| An end of file was encountered and the expected TOKEN_END was missing. | -`------------------------------------------------------------------------*/ - -static void -unexpected_eof (boundary start, char const *token_end) -{ - unexpected_end (start, N_("missing `%s' at end of file"), token_end); -} - - -/*----------------------------------------. -| Likewise, but for unexpected newlines. | -`----------------------------------------*/ - -static void -unexpected_newline (boundary start, char const *token_end) -{ - unexpected_end (start, N_("missing `%s' at end of line"), token_end); -} - - -/*-------------------------. -| Initialize the scanner. | -`-------------------------*/ - -void -scanner_initialize (void) -{ - obstack_init (&obstack_for_string); -} - - -/*-----------------------------------------------. -| Free all the memory allocated to the scanner. | -`-----------------------------------------------*/ - -void -scanner_free (void) -{ - obstack_free (&obstack_for_string, 0); - /* Reclaim Flex's buffers. */ - gram__delete_buffer (YY_CURRENT_BUFFER); -} - |