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ara-mdk / platform / external / bison / 12a8de665f0fdd63df2944d5da7c75d5c49e67b9 / . / src / scan-gram.c
blob: 04cf539de807a20dafa23280656b8f4a8634a62c [file] [log] [blame]
#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);
}