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freebsd
GitHub Repository: freebsd/freebsd-src
Path: blob/main/crypto/heimdal/lib/sl/slc-lex.c
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#line 3 "slc-lex.c"
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#define YY_INT_ALIGNED short int
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/* A lexical scanner generated by flex */
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#define FLEX_SCANNER
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#define YY_FLEX_MAJOR_VERSION 2
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#define YY_FLEX_MINOR_VERSION 5
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#define YY_FLEX_SUBMINOR_VERSION 35
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#if YY_FLEX_SUBMINOR_VERSION > 0
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#define FLEX_BETA
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#endif
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/* First, we deal with platform-specific or compiler-specific issues. */
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/* begin standard C headers. */
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <stdlib.h>
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/* end standard C headers. */
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/* flex integer type definitions */
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#ifndef FLEXINT_H
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#define FLEXINT_H
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/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
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#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
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* if you want the limit (max/min) macros for int types.
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*/
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#ifndef __STDC_LIMIT_MACROS
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#define __STDC_LIMIT_MACROS 1
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#endif
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#include <inttypes.h>
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typedef int8_t flex_int8_t;
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typedef uint8_t flex_uint8_t;
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typedef int16_t flex_int16_t;
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typedef uint16_t flex_uint16_t;
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typedef int32_t flex_int32_t;
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typedef uint32_t flex_uint32_t;
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#else
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typedef signed char flex_int8_t;
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typedef short int flex_int16_t;
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typedef int flex_int32_t;
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typedef unsigned char flex_uint8_t;
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typedef unsigned short int flex_uint16_t;
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typedef unsigned int flex_uint32_t;
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#endif /* ! C99 */
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/* Limits of integral types. */
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#ifndef INT8_MIN
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#define INT8_MIN (-128)
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#endif
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#ifndef INT16_MIN
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#define INT16_MIN (-32767-1)
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#endif
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#ifndef INT32_MIN
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#define INT32_MIN (-2147483647-1)
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#endif
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#ifndef INT8_MAX
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#define INT8_MAX (127)
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#endif
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#ifndef INT16_MAX
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#define INT16_MAX (32767)
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#endif
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#ifndef INT32_MAX
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#define INT32_MAX (2147483647)
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#endif
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#ifndef UINT8_MAX
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#define UINT8_MAX (255U)
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#endif
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#ifndef UINT16_MAX
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#define UINT16_MAX (65535U)
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#endif
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#ifndef UINT32_MAX
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#define UINT32_MAX (4294967295U)
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#endif
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#endif /* ! FLEXINT_H */
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#ifdef __cplusplus
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/* The "const" storage-class-modifier is valid. */
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#define YY_USE_CONST
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#else /* ! __cplusplus */
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/* C99 requires __STDC__ to be defined as 1. */
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#if defined (__STDC__)
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#define YY_USE_CONST
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#endif /* defined (__STDC__) */
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#endif /* ! __cplusplus */
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#ifdef YY_USE_CONST
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#define yyconst const
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#else
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#define yyconst
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#endif
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/* Returned upon end-of-file. */
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#define YY_NULL 0
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/* Promotes a possibly negative, possibly signed char to an unsigned
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* integer for use as an array index. If the signed char is negative,
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* we want to instead treat it as an 8-bit unsigned char, hence the
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* double cast.
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*/
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#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
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/* Enter a start condition. This macro really ought to take a parameter,
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* but we do it the disgusting crufty way forced on us by the ()-less
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* definition of BEGIN.
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*/
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#define BEGIN (yy_start) = 1 + 2 *
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/* Translate the current start state into a value that can be later handed
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* to BEGIN to return to the state. The YYSTATE alias is for lex
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* compatibility.
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*/
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#define YY_START (((yy_start) - 1) / 2)
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#define YYSTATE YY_START
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/* Action number for EOF rule of a given start state. */
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#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
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/* Special action meaning "start processing a new file". */
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#define YY_NEW_FILE yyrestart(yyin )
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#define YY_END_OF_BUFFER_CHAR 0
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/* Size of default input buffer. */
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#ifndef YY_BUF_SIZE
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#define YY_BUF_SIZE 16384
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#endif
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/* The state buf must be large enough to hold one state per character in the main buffer.
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*/
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#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
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#ifndef YY_TYPEDEF_YY_BUFFER_STATE
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#define YY_TYPEDEF_YY_BUFFER_STATE
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typedef struct yy_buffer_state *YY_BUFFER_STATE;
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#endif
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#ifndef YY_TYPEDEF_YY_SIZE_T
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#define YY_TYPEDEF_YY_SIZE_T
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typedef size_t yy_size_t;
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#endif
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extern yy_size_t yyleng;
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extern FILE *yyin, *yyout;
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#define EOB_ACT_CONTINUE_SCAN 0
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#define EOB_ACT_END_OF_FILE 1
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#define EOB_ACT_LAST_MATCH 2
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#define YY_LESS_LINENO(n)
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/* Return all but the first "n" matched characters back to the input stream. */
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#define yyless(n) \
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do \
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{ \
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/* Undo effects of setting up yytext. */ \
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int yyless_macro_arg = (n); \
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YY_LESS_LINENO(yyless_macro_arg);\
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*yy_cp = (yy_hold_char); \
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YY_RESTORE_YY_MORE_OFFSET \
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(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
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YY_DO_BEFORE_ACTION; /* set up yytext again */ \
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} \
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while ( 0 )
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#define unput(c) yyunput( c, (yytext_ptr) )
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#ifndef YY_STRUCT_YY_BUFFER_STATE
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#define YY_STRUCT_YY_BUFFER_STATE
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struct yy_buffer_state
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{
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FILE *yy_input_file;
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char *yy_ch_buf; /* input buffer */
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char *yy_buf_pos; /* current position in input buffer */
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/* Size of input buffer in bytes, not including room for EOB
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* characters.
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*/
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yy_size_t yy_buf_size;
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/* Number of characters read into yy_ch_buf, not including EOB
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* characters.
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*/
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yy_size_t yy_n_chars;
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/* Whether we "own" the buffer - i.e., we know we created it,
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* and can realloc() it to grow it, and should free() it to
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* delete it.
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*/
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int yy_is_our_buffer;
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/* Whether this is an "interactive" input source; if so, and
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* if we're using stdio for input, then we want to use getc()
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* instead of fread(), to make sure we stop fetching input after
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* each newline.
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*/
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int yy_is_interactive;
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/* Whether we're considered to be at the beginning of a line.
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* If so, '^' rules will be active on the next match, otherwise
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* not.
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*/
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int yy_at_bol;
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int yy_bs_lineno; /**< The line count. */
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int yy_bs_column; /**< The column count. */
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/* Whether to try to fill the input buffer when we reach the
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* end of it.
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*/
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int yy_fill_buffer;
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int yy_buffer_status;
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#define YY_BUFFER_NEW 0
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#define YY_BUFFER_NORMAL 1
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/* When an EOF's been seen but there's still some text to process
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* then we mark the buffer as YY_EOF_PENDING, to indicate that we
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* shouldn't try reading from the input source any more. We might
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* still have a bunch of tokens to match, though, because of
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* possible backing-up.
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*
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* When we actually see the EOF, we change the status to "new"
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* (via yyrestart()), so that the user can continue scanning by
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* just pointing yyin at a new input file.
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*/
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#define YY_BUFFER_EOF_PENDING 2
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};
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#endif /* !YY_STRUCT_YY_BUFFER_STATE */
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/* Stack of input buffers. */
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static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
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static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
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static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
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/* We provide macros for accessing buffer states in case in the
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* future we want to put the buffer states in a more general
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* "scanner state".
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*
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* Returns the top of the stack, or NULL.
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*/
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#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
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? (yy_buffer_stack)[(yy_buffer_stack_top)] \
264
: NULL)
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/* Same as previous macro, but useful when we know that the buffer stack is not
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* NULL or when we need an lvalue. For internal use only.
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*/
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#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
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/* yy_hold_char holds the character lost when yytext is formed. */
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static char yy_hold_char;
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static yy_size_t yy_n_chars; /* number of characters read into yy_ch_buf */
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yy_size_t yyleng;
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/* Points to current character in buffer. */
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static char *yy_c_buf_p = (char *) 0;
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static int yy_init = 0; /* whether we need to initialize */
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static int yy_start = 0; /* start state number */
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/* Flag which is used to allow yywrap()'s to do buffer switches
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* instead of setting up a fresh yyin. A bit of a hack ...
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*/
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static int yy_did_buffer_switch_on_eof;
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void yyrestart (FILE *input_file );
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void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer );
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YY_BUFFER_STATE yy_create_buffer (FILE *file,int size );
289
void yy_delete_buffer (YY_BUFFER_STATE b );
290
void yy_flush_buffer (YY_BUFFER_STATE b );
291
void yypush_buffer_state (YY_BUFFER_STATE new_buffer );
292
void yypop_buffer_state (void );
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static void yyensure_buffer_stack (void );
295
static void yy_load_buffer_state (void );
296
static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file );
297
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#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER )
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YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size );
301
YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str );
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YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,yy_size_t len );
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void *yyalloc (yy_size_t );
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void *yyrealloc (void *,yy_size_t );
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void yyfree (void * );
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#define yy_new_buffer yy_create_buffer
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#define yy_set_interactive(is_interactive) \
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{ \
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if ( ! YY_CURRENT_BUFFER ){ \
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yyensure_buffer_stack (); \
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YY_CURRENT_BUFFER_LVALUE = \
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yy_create_buffer(yyin,YY_BUF_SIZE ); \
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} \
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YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
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}
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#define yy_set_bol(at_bol) \
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{ \
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if ( ! YY_CURRENT_BUFFER ){\
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yyensure_buffer_stack (); \
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YY_CURRENT_BUFFER_LVALUE = \
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yy_create_buffer(yyin,YY_BUF_SIZE ); \
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} \
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YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
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}
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#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
331
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/* Begin user sect3 */
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typedef unsigned char YY_CHAR;
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FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
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338
typedef int yy_state_type;
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extern int yylineno;
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int yylineno = 1;
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extern char *yytext;
345
#define yytext_ptr yytext
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static yy_state_type yy_get_previous_state (void );
348
static yy_state_type yy_try_NUL_trans (yy_state_type current_state );
349
static int yy_get_next_buffer (void );
350
static void yy_fatal_error (yyconst char msg[] );
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/* Done after the current pattern has been matched and before the
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* corresponding action - sets up yytext.
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*/
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#define YY_DO_BEFORE_ACTION \
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(yytext_ptr) = yy_bp; \
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yyleng = (size_t) (yy_cp - yy_bp); \
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(yy_hold_char) = *yy_cp; \
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*yy_cp = '\0'; \
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(yy_c_buf_p) = yy_cp;
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#define YY_NUM_RULES 7
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#define YY_END_OF_BUFFER 8
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/* This struct is not used in this scanner,
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but its presence is necessary. */
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struct yy_trans_info
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{
368
flex_int32_t yy_verify;
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flex_int32_t yy_nxt;
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};
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static yyconst flex_int16_t yy_accept[14] =
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{ 0,
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0, 0, 8, 7, 6, 3, 2, 7, 5, 1,
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4, 1, 0
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} ;
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static yyconst flex_int32_t yy_ec[256] =
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{ 0,
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1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 2, 1, 4, 1, 1, 1, 1, 1, 1,
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1, 5, 1, 1, 6, 1, 7, 6, 6, 6,
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6, 6, 6, 6, 6, 6, 6, 1, 1, 1,
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8, 1, 1, 1, 9, 9, 9, 9, 9, 9,
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9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
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9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
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1, 1, 1, 1, 6, 1, 9, 9, 9, 9,
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9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
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9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
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9, 9, 8, 1, 8, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1
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} ;
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static yyconst flex_int32_t yy_meta[10] =
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{ 0,
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1, 1, 1, 1, 1, 2, 1, 1, 2
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} ;
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static yyconst flex_int16_t yy_base[15] =
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{ 0,
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0, 0, 12, 13, 13, 13, 13, 6, 13, 0,
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13, 0, 13, 8
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} ;
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static yyconst flex_int16_t yy_def[15] =
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{ 0,
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13, 1, 13, 13, 13, 13, 13, 13, 13, 14,
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13, 14, 0, 13
424
} ;
425
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static yyconst flex_int16_t yy_nxt[23] =
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{ 0,
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4, 5, 6, 7, 4, 4, 8, 9, 10, 12,
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11, 13, 3, 13, 13, 13, 13, 13, 13, 13,
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13, 13
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} ;
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static yyconst flex_int16_t yy_chk[23] =
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{ 0,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 14,
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8, 3, 13, 13, 13, 13, 13, 13, 13, 13,
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13, 13
438
} ;
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static yy_state_type yy_last_accepting_state;
441
static char *yy_last_accepting_cpos;
442
443
extern int yy_flex_debug;
444
int yy_flex_debug = 0;
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/* The intent behind this definition is that it'll catch
447
* any uses of REJECT which flex missed.
448
*/
449
#define REJECT reject_used_but_not_detected
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#define yymore() yymore_used_but_not_detected
451
#define YY_MORE_ADJ 0
452
#define YY_RESTORE_YY_MORE_OFFSET
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char *yytext;
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#line 1 "slc-lex.l"
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#line 2 "slc-lex.l"
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/*
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* Copyright (c) 2004 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
460
*
461
* Redistribution and use in source and binary forms, with or without
462
* modification, are permitted provided that the following conditions
463
* are met:
464
*
465
* 1. Redistributions of source code must retain the above copyright
466
* notice, this list of conditions and the following disclaimer.
467
*
468
* 2. Redistributions in binary form must reproduce the above copyright
469
* notice, this list of conditions and the following disclaimer in the
470
* documentation and/or other materials provided with the distribution.
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*
472
* 3. Neither the name of the Institute nor the names of its contributors
473
* may be used to endorse or promote products derived from this software
474
* without specific prior written permission.
475
*
476
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
477
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
478
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
479
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
480
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
481
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
482
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
483
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
484
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
485
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
486
* SUCH DAMAGE.
487
*/
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/* $Id$ */
490
491
#undef ECHO
492
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#include <stdio.h>
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#include <string.h>
495
#include <stdarg.h>
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#include <stdlib.h>
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#include "slc.h"
498
#include "slc-gram.h"
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unsigned lineno = 1;
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static void handle_comment(void);
502
static char * handle_string(void);
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#define YY_NO_UNPUT
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#undef ECHO
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#line 509 "slc-lex.c"
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#define INITIAL 0
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#ifndef YY_NO_UNISTD_H
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/* Special case for "unistd.h", since it is non-ANSI. We include it way
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* down here because we want the user's section 1 to have been scanned first.
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* The user has a chance to override it with an option.
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*/
517
#include <unistd.h>
518
#endif
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#ifndef YY_EXTRA_TYPE
521
#define YY_EXTRA_TYPE void *
522
#endif
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static int yy_init_globals (void );
525
526
/* Accessor methods to globals.
527
These are made visible to non-reentrant scanners for convenience. */
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529
int yylex_destroy (void );
530
531
int yyget_debug (void );
532
533
void yyset_debug (int debug_flag );
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YY_EXTRA_TYPE yyget_extra (void );
536
537
void yyset_extra (YY_EXTRA_TYPE user_defined );
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FILE *yyget_in (void );
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541
void yyset_in (FILE * in_str );
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FILE *yyget_out (void );
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void yyset_out (FILE * out_str );
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yy_size_t yyget_leng (void );
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char *yyget_text (void );
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int yyget_lineno (void );
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void yyset_lineno (int line_number );
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/* Macros after this point can all be overridden by user definitions in
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* section 1.
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*/
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#ifndef YY_SKIP_YYWRAP
560
#ifdef __cplusplus
561
extern "C" int yywrap (void );
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#else
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extern int yywrap (void );
564
#endif
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#endif
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567
#ifndef yytext_ptr
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static void yy_flex_strncpy (char *,yyconst char *,int );
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#endif
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#ifdef YY_NEED_STRLEN
572
static int yy_flex_strlen (yyconst char * );
573
#endif
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#ifndef YY_NO_INPUT
576
577
#ifdef __cplusplus
578
static int yyinput (void );
579
#else
580
static int input (void );
581
#endif
582
583
#endif
584
585
/* Amount of stuff to slurp up with each read. */
586
#ifndef YY_READ_BUF_SIZE
587
#define YY_READ_BUF_SIZE 8192
588
#endif
589
590
/* Copy whatever the last rule matched to the standard output. */
591
#ifndef ECHO
592
/* This used to be an fputs(), but since the string might contain NUL's,
593
* we now use fwrite().
594
*/
595
#define ECHO fwrite( yytext, yyleng, 1, yyout )
596
#endif
597
598
/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
599
* is returned in "result".
600
*/
601
#ifndef YY_INPUT
602
#define YY_INPUT(buf,result,max_size) \
603
if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
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{ \
605
int c = '*'; \
606
yy_size_t n; \
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for ( n = 0; n < max_size && \
608
(c = getc( yyin )) != EOF && c != '\n'; ++n ) \
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buf[n] = (char) c; \
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if ( c == '\n' ) \
611
buf[n++] = (char) c; \
612
if ( c == EOF && ferror( yyin ) ) \
613
YY_FATAL_ERROR( "input in flex scanner failed" ); \
614
result = n; \
615
} \
616
else \
617
{ \
618
errno=0; \
619
while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
620
{ \
621
if( errno != EINTR) \
622
{ \
623
YY_FATAL_ERROR( "input in flex scanner failed" ); \
624
break; \
625
} \
626
errno=0; \
627
clearerr(yyin); \
628
} \
629
}\
630
\
631
632
#endif
633
634
/* No semi-colon after return; correct usage is to write "yyterminate();" -
635
* we don't want an extra ';' after the "return" because that will cause
636
* some compilers to complain about unreachable statements.
637
*/
638
#ifndef yyterminate
639
#define yyterminate() return YY_NULL
640
#endif
641
642
/* Number of entries by which start-condition stack grows. */
643
#ifndef YY_START_STACK_INCR
644
#define YY_START_STACK_INCR 25
645
#endif
646
647
/* Report a fatal error. */
648
#ifndef YY_FATAL_ERROR
649
#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
650
#endif
651
652
/* end tables serialization structures and prototypes */
653
654
/* Default declaration of generated scanner - a define so the user can
655
* easily add parameters.
656
*/
657
#ifndef YY_DECL
658
#define YY_DECL_IS_OURS 1
659
660
extern int yylex (void);
661
662
#define YY_DECL int yylex (void)
663
#endif /* !YY_DECL */
664
665
/* Code executed at the beginning of each rule, after yytext and yyleng
666
* have been set up.
667
*/
668
#ifndef YY_USER_ACTION
669
#define YY_USER_ACTION
670
#endif
671
672
/* Code executed at the end of each rule. */
673
#ifndef YY_BREAK
674
#define YY_BREAK break;
675
#endif
676
677
#define YY_RULE_SETUP \
678
YY_USER_ACTION
679
680
/** The main scanner function which does all the work.
681
*/
682
YY_DECL
683
{
684
register yy_state_type yy_current_state;
685
register char *yy_cp, *yy_bp;
686
register int yy_act;
687
688
#line 58 "slc-lex.l"
689
690
#line 691 "slc-lex.c"
691
692
if ( !(yy_init) )
693
{
694
(yy_init) = 1;
695
696
#ifdef YY_USER_INIT
697
YY_USER_INIT;
698
#endif
699
700
if ( ! (yy_start) )
701
(yy_start) = 1; /* first start state */
702
703
if ( ! yyin )
704
yyin = stdin;
705
706
if ( ! yyout )
707
yyout = stdout;
708
709
if ( ! YY_CURRENT_BUFFER ) {
710
yyensure_buffer_stack ();
711
YY_CURRENT_BUFFER_LVALUE =
712
yy_create_buffer(yyin,YY_BUF_SIZE );
713
}
714
715
yy_load_buffer_state( );
716
}
717
718
while ( 1 ) /* loops until end-of-file is reached */
719
{
720
yy_cp = (yy_c_buf_p);
721
722
/* Support of yytext. */
723
*yy_cp = (yy_hold_char);
724
725
/* yy_bp points to the position in yy_ch_buf of the start of
726
* the current run.
727
*/
728
yy_bp = yy_cp;
729
730
yy_current_state = (yy_start);
731
yy_match:
732
do
733
{
734
register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
735
if ( yy_accept[yy_current_state] )
736
{
737
(yy_last_accepting_state) = yy_current_state;
738
(yy_last_accepting_cpos) = yy_cp;
739
}
740
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
741
{
742
yy_current_state = (int) yy_def[yy_current_state];
743
if ( yy_current_state >= 14 )
744
yy_c = yy_meta[(unsigned int) yy_c];
745
}
746
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
747
++yy_cp;
748
}
749
while ( yy_base[yy_current_state] != 13 );
750
751
yy_find_action:
752
yy_act = yy_accept[yy_current_state];
753
if ( yy_act == 0 )
754
{ /* have to back up */
755
yy_cp = (yy_last_accepting_cpos);
756
yy_current_state = (yy_last_accepting_state);
757
yy_act = yy_accept[yy_current_state];
758
}
759
760
YY_DO_BEFORE_ACTION;
761
762
do_action: /* This label is used only to access EOF actions. */
763
764
switch ( yy_act )
765
{ /* beginning of action switch */
766
case 0: /* must back up */
767
/* undo the effects of YY_DO_BEFORE_ACTION */
768
*yy_cp = (yy_hold_char);
769
yy_cp = (yy_last_accepting_cpos);
770
yy_current_state = (yy_last_accepting_state);
771
goto yy_find_action;
772
773
case 1:
774
YY_RULE_SETUP
775
#line 59 "slc-lex.l"
776
{
777
yylval.string = strdup ((const char *)yytext);
778
return LITERAL;
779
}
780
YY_BREAK
781
case 2:
782
YY_RULE_SETUP
783
#line 63 "slc-lex.l"
784
{ yylval.string = handle_string(); return STRING; }
785
YY_BREAK
786
case 3:
787
/* rule 3 can match eol */
788
YY_RULE_SETUP
789
#line 64 "slc-lex.l"
790
{ ++lineno; }
791
YY_BREAK
792
case 4:
793
YY_RULE_SETUP
794
#line 65 "slc-lex.l"
795
{ handle_comment(); }
796
YY_BREAK
797
case 5:
798
YY_RULE_SETUP
799
#line 66 "slc-lex.l"
800
{ return *yytext; }
801
YY_BREAK
802
case 6:
803
YY_RULE_SETUP
804
#line 67 "slc-lex.l"
805
;
806
YY_BREAK
807
case 7:
808
YY_RULE_SETUP
809
#line 68 "slc-lex.l"
810
ECHO;
811
YY_BREAK
812
#line 813 "slc-lex.c"
813
case YY_STATE_EOF(INITIAL):
814
yyterminate();
815
816
case YY_END_OF_BUFFER:
817
{
818
/* Amount of text matched not including the EOB char. */
819
int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
820
821
/* Undo the effects of YY_DO_BEFORE_ACTION. */
822
*yy_cp = (yy_hold_char);
823
YY_RESTORE_YY_MORE_OFFSET
824
825
if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
826
{
827
/* We're scanning a new file or input source. It's
828
* possible that this happened because the user
829
* just pointed yyin at a new source and called
830
* yylex(). If so, then we have to assure
831
* consistency between YY_CURRENT_BUFFER and our
832
* globals. Here is the right place to do so, because
833
* this is the first action (other than possibly a
834
* back-up) that will match for the new input source.
835
*/
836
(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
837
YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
838
YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
839
}
840
841
/* Note that here we test for yy_c_buf_p "<=" to the position
842
* of the first EOB in the buffer, since yy_c_buf_p will
843
* already have been incremented past the NUL character
844
* (since all states make transitions on EOB to the
845
* end-of-buffer state). Contrast this with the test
846
* in input().
847
*/
848
if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
849
{ /* This was really a NUL. */
850
yy_state_type yy_next_state;
851
852
(yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
853
854
yy_current_state = yy_get_previous_state( );
855
856
/* Okay, we're now positioned to make the NUL
857
* transition. We couldn't have
858
* yy_get_previous_state() go ahead and do it
859
* for us because it doesn't know how to deal
860
* with the possibility of jamming (and we don't
861
* want to build jamming into it because then it
862
* will run more slowly).
863
*/
864
865
yy_next_state = yy_try_NUL_trans( yy_current_state );
866
867
yy_bp = (yytext_ptr) + YY_MORE_ADJ;
868
869
if ( yy_next_state )
870
{
871
/* Consume the NUL. */
872
yy_cp = ++(yy_c_buf_p);
873
yy_current_state = yy_next_state;
874
goto yy_match;
875
}
876
877
else
878
{
879
yy_cp = (yy_c_buf_p);
880
goto yy_find_action;
881
}
882
}
883
884
else switch ( yy_get_next_buffer( ) )
885
{
886
case EOB_ACT_END_OF_FILE:
887
{
888
(yy_did_buffer_switch_on_eof) = 0;
889
890
if ( yywrap( ) )
891
{
892
/* Note: because we've taken care in
893
* yy_get_next_buffer() to have set up
894
* yytext, we can now set up
895
* yy_c_buf_p so that if some total
896
* hoser (like flex itself) wants to
897
* call the scanner after we return the
898
* YY_NULL, it'll still work - another
899
* YY_NULL will get returned.
900
*/
901
(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
902
903
yy_act = YY_STATE_EOF(YY_START);
904
goto do_action;
905
}
906
907
else
908
{
909
if ( ! (yy_did_buffer_switch_on_eof) )
910
YY_NEW_FILE;
911
}
912
break;
913
}
914
915
case EOB_ACT_CONTINUE_SCAN:
916
(yy_c_buf_p) =
917
(yytext_ptr) + yy_amount_of_matched_text;
918
919
yy_current_state = yy_get_previous_state( );
920
921
yy_cp = (yy_c_buf_p);
922
yy_bp = (yytext_ptr) + YY_MORE_ADJ;
923
goto yy_match;
924
925
case EOB_ACT_LAST_MATCH:
926
(yy_c_buf_p) =
927
&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
928
929
yy_current_state = yy_get_previous_state( );
930
931
yy_cp = (yy_c_buf_p);
932
yy_bp = (yytext_ptr) + YY_MORE_ADJ;
933
goto yy_find_action;
934
}
935
break;
936
}
937
938
default:
939
YY_FATAL_ERROR(
940
"fatal flex scanner internal error--no action found" );
941
} /* end of action switch */
942
} /* end of scanning one token */
943
} /* end of yylex */
944
945
/* yy_get_next_buffer - try to read in a new buffer
946
*
947
* Returns a code representing an action:
948
* EOB_ACT_LAST_MATCH -
949
* EOB_ACT_CONTINUE_SCAN - continue scanning from current position
950
* EOB_ACT_END_OF_FILE - end of file
951
*/
952
static int yy_get_next_buffer (void)
953
{
954
register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
955
register char *source = (yytext_ptr);
956
register int number_to_move, i;
957
int ret_val;
958
959
if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
960
YY_FATAL_ERROR(
961
"fatal flex scanner internal error--end of buffer missed" );
962
963
if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
964
{ /* Don't try to fill the buffer, so this is an EOF. */
965
if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
966
{
967
/* We matched a single character, the EOB, so
968
* treat this as a final EOF.
969
*/
970
return EOB_ACT_END_OF_FILE;
971
}
972
973
else
974
{
975
/* We matched some text prior to the EOB, first
976
* process it.
977
*/
978
return EOB_ACT_LAST_MATCH;
979
}
980
}
981
982
/* Try to read more data. */
983
984
/* First move last chars to start of buffer. */
985
number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;
986
987
for ( i = 0; i < number_to_move; ++i )
988
*(dest++) = *(source++);
989
990
if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
991
/* don't do the read, it's not guaranteed to return an EOF,
992
* just force an EOF
993
*/
994
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
995
996
else
997
{
998
yy_size_t num_to_read =
999
YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
1000
1001
while ( num_to_read <= 0 )
1002
{ /* Not enough room in the buffer - grow it. */
1003
1004
/* just a shorter name for the current buffer */
1005
YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
1006
1007
int yy_c_buf_p_offset =
1008
(int) ((yy_c_buf_p) - b->yy_ch_buf);
1009
1010
if ( b->yy_is_our_buffer )
1011
{
1012
yy_size_t new_size = b->yy_buf_size * 2;
1013
1014
if ( new_size <= 0 )
1015
b->yy_buf_size += b->yy_buf_size / 8;
1016
else
1017
b->yy_buf_size *= 2;
1018
1019
b->yy_ch_buf = (char *)
1020
/* Include room in for 2 EOB chars. */
1021
yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 );
1022
}
1023
else
1024
/* Can't grow it, we don't own it. */
1025
b->yy_ch_buf = 0;
1026
1027
if ( ! b->yy_ch_buf )
1028
YY_FATAL_ERROR(
1029
"fatal error - scanner input buffer overflow" );
1030
1031
(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
1032
1033
num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
1034
number_to_move - 1;
1035
1036
}
1037
1038
if ( num_to_read > YY_READ_BUF_SIZE )
1039
num_to_read = YY_READ_BUF_SIZE;
1040
1041
/* Read in more data. */
1042
YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
1043
(yy_n_chars), num_to_read );
1044
1045
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1046
}
1047
1048
if ( (yy_n_chars) == 0 )
1049
{
1050
if ( number_to_move == YY_MORE_ADJ )
1051
{
1052
ret_val = EOB_ACT_END_OF_FILE;
1053
yyrestart(yyin );
1054
}
1055
1056
else
1057
{
1058
ret_val = EOB_ACT_LAST_MATCH;
1059
YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
1060
YY_BUFFER_EOF_PENDING;
1061
}
1062
}
1063
1064
else
1065
ret_val = EOB_ACT_CONTINUE_SCAN;
1066
1067
if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
1068
/* Extend the array by 50%, plus the number we really need. */
1069
yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
1070
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size );
1071
if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
1072
YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
1073
}
1074
1075
(yy_n_chars) += number_to_move;
1076
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
1077
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
1078
1079
(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
1080
1081
return ret_val;
1082
}
1083
1084
/* yy_get_previous_state - get the state just before the EOB char was reached */
1085
1086
static yy_state_type yy_get_previous_state (void)
1087
{
1088
register yy_state_type yy_current_state;
1089
register char *yy_cp;
1090
1091
yy_current_state = (yy_start);
1092
1093
for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
1094
{
1095
register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
1096
if ( yy_accept[yy_current_state] )
1097
{
1098
(yy_last_accepting_state) = yy_current_state;
1099
(yy_last_accepting_cpos) = yy_cp;
1100
}
1101
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1102
{
1103
yy_current_state = (int) yy_def[yy_current_state];
1104
if ( yy_current_state >= 14 )
1105
yy_c = yy_meta[(unsigned int) yy_c];
1106
}
1107
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1108
}
1109
1110
return yy_current_state;
1111
}
1112
1113
/* yy_try_NUL_trans - try to make a transition on the NUL character
1114
*
1115
* synopsis
1116
* next_state = yy_try_NUL_trans( current_state );
1117
*/
1118
static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state )
1119
{
1120
register int yy_is_jam;
1121
register char *yy_cp = (yy_c_buf_p);
1122
1123
register YY_CHAR yy_c = 1;
1124
if ( yy_accept[yy_current_state] )
1125
{
1126
(yy_last_accepting_state) = yy_current_state;
1127
(yy_last_accepting_cpos) = yy_cp;
1128
}
1129
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1130
{
1131
yy_current_state = (int) yy_def[yy_current_state];
1132
if ( yy_current_state >= 14 )
1133
yy_c = yy_meta[(unsigned int) yy_c];
1134
}
1135
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1136
yy_is_jam = (yy_current_state == 13);
1137
1138
return yy_is_jam ? 0 : yy_current_state;
1139
}
1140
1141
#ifndef YY_NO_INPUT
1142
#ifdef __cplusplus
1143
static int yyinput (void)
1144
#else
1145
static int input (void)
1146
#endif
1147
1148
{
1149
int c;
1150
1151
*(yy_c_buf_p) = (yy_hold_char);
1152
1153
if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
1154
{
1155
/* yy_c_buf_p now points to the character we want to return.
1156
* If this occurs *before* the EOB characters, then it's a
1157
* valid NUL; if not, then we've hit the end of the buffer.
1158
*/
1159
if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1160
/* This was really a NUL. */
1161
*(yy_c_buf_p) = '\0';
1162
1163
else
1164
{ /* need more input */
1165
yy_size_t offset = (yy_c_buf_p) - (yytext_ptr);
1166
++(yy_c_buf_p);
1167
1168
switch ( yy_get_next_buffer( ) )
1169
{
1170
case EOB_ACT_LAST_MATCH:
1171
/* This happens because yy_g_n_b()
1172
* sees that we've accumulated a
1173
* token and flags that we need to
1174
* try matching the token before
1175
* proceeding. But for input(),
1176
* there's no matching to consider.
1177
* So convert the EOB_ACT_LAST_MATCH
1178
* to EOB_ACT_END_OF_FILE.
1179
*/
1180
1181
/* Reset buffer status. */
1182
yyrestart(yyin );
1183
1184
/*FALLTHROUGH*/
1185
1186
case EOB_ACT_END_OF_FILE:
1187
{
1188
if ( yywrap( ) )
1189
return 0;
1190
1191
if ( ! (yy_did_buffer_switch_on_eof) )
1192
YY_NEW_FILE;
1193
#ifdef __cplusplus
1194
return yyinput();
1195
#else
1196
return input();
1197
#endif
1198
}
1199
1200
case EOB_ACT_CONTINUE_SCAN:
1201
(yy_c_buf_p) = (yytext_ptr) + offset;
1202
break;
1203
}
1204
}
1205
}
1206
1207
c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */
1208
*(yy_c_buf_p) = '\0'; /* preserve yytext */
1209
(yy_hold_char) = *++(yy_c_buf_p);
1210
1211
return c;
1212
}
1213
#endif /* ifndef YY_NO_INPUT */
1214
1215
/** Immediately switch to a different input stream.
1216
* @param input_file A readable stream.
1217
*
1218
* @note This function does not reset the start condition to @c INITIAL .
1219
*/
1220
void yyrestart (FILE * input_file )
1221
{
1222
1223
if ( ! YY_CURRENT_BUFFER ){
1224
yyensure_buffer_stack ();
1225
YY_CURRENT_BUFFER_LVALUE =
1226
yy_create_buffer(yyin,YY_BUF_SIZE );
1227
}
1228
1229
yy_init_buffer(YY_CURRENT_BUFFER,input_file );
1230
yy_load_buffer_state( );
1231
}
1232
1233
/** Switch to a different input buffer.
1234
* @param new_buffer The new input buffer.
1235
*
1236
*/
1237
void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer )
1238
{
1239
1240
/* TODO. We should be able to replace this entire function body
1241
* with
1242
* yypop_buffer_state();
1243
* yypush_buffer_state(new_buffer);
1244
*/
1245
yyensure_buffer_stack ();
1246
if ( YY_CURRENT_BUFFER == new_buffer )
1247
return;
1248
1249
if ( YY_CURRENT_BUFFER )
1250
{
1251
/* Flush out information for old buffer. */
1252
*(yy_c_buf_p) = (yy_hold_char);
1253
YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1254
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1255
}
1256
1257
YY_CURRENT_BUFFER_LVALUE = new_buffer;
1258
yy_load_buffer_state( );
1259
1260
/* We don't actually know whether we did this switch during
1261
* EOF (yywrap()) processing, but the only time this flag
1262
* is looked at is after yywrap() is called, so it's safe
1263
* to go ahead and always set it.
1264
*/
1265
(yy_did_buffer_switch_on_eof) = 1;
1266
}
1267
1268
static void yy_load_buffer_state (void)
1269
{
1270
(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
1271
(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
1272
yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
1273
(yy_hold_char) = *(yy_c_buf_p);
1274
}
1275
1276
/** Allocate and initialize an input buffer state.
1277
* @param file A readable stream.
1278
* @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
1279
*
1280
* @return the allocated buffer state.
1281
*/
1282
YY_BUFFER_STATE yy_create_buffer (FILE * file, int size )
1283
{
1284
YY_BUFFER_STATE b;
1285
1286
b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) );
1287
if ( ! b )
1288
YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1289
1290
b->yy_buf_size = size;
1291
1292
/* yy_ch_buf has to be 2 characters longer than the size given because
1293
* we need to put in 2 end-of-buffer characters.
1294
*/
1295
b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 );
1296
if ( ! b->yy_ch_buf )
1297
YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1298
1299
b->yy_is_our_buffer = 1;
1300
1301
yy_init_buffer(b,file );
1302
1303
return b;
1304
}
1305
1306
/** Destroy the buffer.
1307
* @param b a buffer created with yy_create_buffer()
1308
*
1309
*/
1310
void yy_delete_buffer (YY_BUFFER_STATE b )
1311
{
1312
1313
if ( ! b )
1314
return;
1315
1316
if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
1317
YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
1318
1319
if ( b->yy_is_our_buffer )
1320
yyfree((void *) b->yy_ch_buf );
1321
1322
yyfree((void *) b );
1323
}
1324
1325
#ifndef __cplusplus
1326
extern int isatty (int );
1327
#endif /* __cplusplus */
1328
1329
/* Initializes or reinitializes a buffer.
1330
* This function is sometimes called more than once on the same buffer,
1331
* such as during a yyrestart() or at EOF.
1332
*/
1333
static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file )
1334
1335
{
1336
int oerrno = errno;
1337
1338
yy_flush_buffer(b );
1339
1340
b->yy_input_file = file;
1341
b->yy_fill_buffer = 1;
1342
1343
/* If b is the current buffer, then yy_init_buffer was _probably_
1344
* called from yyrestart() or through yy_get_next_buffer.
1345
* In that case, we don't want to reset the lineno or column.
1346
*/
1347
if (b != YY_CURRENT_BUFFER){
1348
b->yy_bs_lineno = 1;
1349
b->yy_bs_column = 0;
1350
}
1351
1352
b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
1353
1354
errno = oerrno;
1355
}
1356
1357
/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
1358
* @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
1359
*
1360
*/
1361
void yy_flush_buffer (YY_BUFFER_STATE b )
1362
{
1363
if ( ! b )
1364
return;
1365
1366
b->yy_n_chars = 0;
1367
1368
/* We always need two end-of-buffer characters. The first causes
1369
* a transition to the end-of-buffer state. The second causes
1370
* a jam in that state.
1371
*/
1372
b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
1373
b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
1374
1375
b->yy_buf_pos = &b->yy_ch_buf[0];
1376
1377
b->yy_at_bol = 1;
1378
b->yy_buffer_status = YY_BUFFER_NEW;
1379
1380
if ( b == YY_CURRENT_BUFFER )
1381
yy_load_buffer_state( );
1382
}
1383
1384
/** Pushes the new state onto the stack. The new state becomes
1385
* the current state. This function will allocate the stack
1386
* if necessary.
1387
* @param new_buffer The new state.
1388
*
1389
*/
1390
void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
1391
{
1392
if (new_buffer == NULL)
1393
return;
1394
1395
yyensure_buffer_stack();
1396
1397
/* This block is copied from yy_switch_to_buffer. */
1398
if ( YY_CURRENT_BUFFER )
1399
{
1400
/* Flush out information for old buffer. */
1401
*(yy_c_buf_p) = (yy_hold_char);
1402
YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1403
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1404
}
1405
1406
/* Only push if top exists. Otherwise, replace top. */
1407
if (YY_CURRENT_BUFFER)
1408
(yy_buffer_stack_top)++;
1409
YY_CURRENT_BUFFER_LVALUE = new_buffer;
1410
1411
/* copied from yy_switch_to_buffer. */
1412
yy_load_buffer_state( );
1413
(yy_did_buffer_switch_on_eof) = 1;
1414
}
1415
1416
/** Removes and deletes the top of the stack, if present.
1417
* The next element becomes the new top.
1418
*
1419
*/
1420
void yypop_buffer_state (void)
1421
{
1422
if (!YY_CURRENT_BUFFER)
1423
return;
1424
1425
yy_delete_buffer(YY_CURRENT_BUFFER );
1426
YY_CURRENT_BUFFER_LVALUE = NULL;
1427
if ((yy_buffer_stack_top) > 0)
1428
--(yy_buffer_stack_top);
1429
1430
if (YY_CURRENT_BUFFER) {
1431
yy_load_buffer_state( );
1432
(yy_did_buffer_switch_on_eof) = 1;
1433
}
1434
}
1435
1436
/* Allocates the stack if it does not exist.
1437
* Guarantees space for at least one push.
1438
*/
1439
static void yyensure_buffer_stack (void)
1440
{
1441
yy_size_t num_to_alloc;
1442
1443
if (!(yy_buffer_stack)) {
1444
1445
/* First allocation is just for 2 elements, since we don't know if this
1446
* scanner will even need a stack. We use 2 instead of 1 to avoid an
1447
* immediate realloc on the next call.
1448
*/
1449
num_to_alloc = 1;
1450
(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
1451
(num_to_alloc * sizeof(struct yy_buffer_state*)
1452
);
1453
if ( ! (yy_buffer_stack) )
1454
YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
1455
1456
memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
1457
1458
(yy_buffer_stack_max) = num_to_alloc;
1459
(yy_buffer_stack_top) = 0;
1460
return;
1461
}
1462
1463
if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
1464
1465
/* Increase the buffer to prepare for a possible push. */
1466
int grow_size = 8 /* arbitrary grow size */;
1467
1468
num_to_alloc = (yy_buffer_stack_max) + grow_size;
1469
(yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
1470
((yy_buffer_stack),
1471
num_to_alloc * sizeof(struct yy_buffer_state*)
1472
);
1473
if ( ! (yy_buffer_stack) )
1474
YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
1475
1476
/* zero only the new slots.*/
1477
memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
1478
(yy_buffer_stack_max) = num_to_alloc;
1479
}
1480
}
1481
1482
/** Setup the input buffer state to scan directly from a user-specified character buffer.
1483
* @param base the character buffer
1484
* @param size the size in bytes of the character buffer
1485
*
1486
* @return the newly allocated buffer state object.
1487
*/
1488
YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size )
1489
{
1490
YY_BUFFER_STATE b;
1491
1492
if ( size < 2 ||
1493
base[size-2] != YY_END_OF_BUFFER_CHAR ||
1494
base[size-1] != YY_END_OF_BUFFER_CHAR )
1495
/* They forgot to leave room for the EOB's. */
1496
return 0;
1497
1498
b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) );
1499
if ( ! b )
1500
YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
1501
1502
b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
1503
b->yy_buf_pos = b->yy_ch_buf = base;
1504
b->yy_is_our_buffer = 0;
1505
b->yy_input_file = 0;
1506
b->yy_n_chars = b->yy_buf_size;
1507
b->yy_is_interactive = 0;
1508
b->yy_at_bol = 1;
1509
b->yy_fill_buffer = 0;
1510
b->yy_buffer_status = YY_BUFFER_NEW;
1511
1512
yy_switch_to_buffer(b );
1513
1514
return b;
1515
}
1516
1517
/** Setup the input buffer state to scan a string. The next call to yylex() will
1518
* scan from a @e copy of @a str.
1519
* @param yystr a NUL-terminated string to scan
1520
*
1521
* @return the newly allocated buffer state object.
1522
* @note If you want to scan bytes that may contain NUL values, then use
1523
* yy_scan_bytes() instead.
1524
*/
1525
YY_BUFFER_STATE yy_scan_string (yyconst char * yystr )
1526
{
1527
1528
return yy_scan_bytes(yystr,strlen(yystr) );
1529
}
1530
1531
/** Setup the input buffer state to scan the given bytes. The next call to yylex() will
1532
* scan from a @e copy of @a bytes.
1533
* @param bytes the byte buffer to scan
1534
* @param len the number of bytes in the buffer pointed to by @a bytes.
1535
*
1536
* @return the newly allocated buffer state object.
1537
*/
1538
YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, yy_size_t _yybytes_len )
1539
{
1540
YY_BUFFER_STATE b;
1541
char *buf;
1542
yy_size_t n, i;
1543
1544
/* Get memory for full buffer, including space for trailing EOB's. */
1545
n = _yybytes_len + 2;
1546
buf = (char *) yyalloc(n );
1547
if ( ! buf )
1548
YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
1549
1550
for ( i = 0; i < _yybytes_len; ++i )
1551
buf[i] = yybytes[i];
1552
1553
buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
1554
1555
b = yy_scan_buffer(buf,n );
1556
if ( ! b )
1557
YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
1558
1559
/* It's okay to grow etc. this buffer, and we should throw it
1560
* away when we're done.
1561
*/
1562
b->yy_is_our_buffer = 1;
1563
1564
return b;
1565
}
1566
1567
#ifndef YY_EXIT_FAILURE
1568
#define YY_EXIT_FAILURE 2
1569
#endif
1570
1571
static void yy_fatal_error (yyconst char* msg )
1572
{
1573
(void) fprintf( stderr, "%s\n", msg );
1574
exit( YY_EXIT_FAILURE );
1575
}
1576
1577
/* Redefine yyless() so it works in section 3 code. */
1578
1579
#undef yyless
1580
#define yyless(n) \
1581
do \
1582
{ \
1583
/* Undo effects of setting up yytext. */ \
1584
int yyless_macro_arg = (n); \
1585
YY_LESS_LINENO(yyless_macro_arg);\
1586
yytext[yyleng] = (yy_hold_char); \
1587
(yy_c_buf_p) = yytext + yyless_macro_arg; \
1588
(yy_hold_char) = *(yy_c_buf_p); \
1589
*(yy_c_buf_p) = '\0'; \
1590
yyleng = yyless_macro_arg; \
1591
} \
1592
while ( 0 )
1593
1594
/* Accessor methods (get/set functions) to struct members. */
1595
1596
/** Get the current line number.
1597
*
1598
*/
1599
int yyget_lineno (void)
1600
{
1601
1602
return yylineno;
1603
}
1604
1605
/** Get the input stream.
1606
*
1607
*/
1608
FILE *yyget_in (void)
1609
{
1610
return yyin;
1611
}
1612
1613
/** Get the output stream.
1614
*
1615
*/
1616
FILE *yyget_out (void)
1617
{
1618
return yyout;
1619
}
1620
1621
/** Get the length of the current token.
1622
*
1623
*/
1624
yy_size_t yyget_leng (void)
1625
{
1626
return yyleng;
1627
}
1628
1629
/** Get the current token.
1630
*
1631
*/
1632
1633
char *yyget_text (void)
1634
{
1635
return yytext;
1636
}
1637
1638
/** Set the current line number.
1639
* @param line_number
1640
*
1641
*/
1642
void yyset_lineno (int line_number )
1643
{
1644
1645
yylineno = line_number;
1646
}
1647
1648
/** Set the input stream. This does not discard the current
1649
* input buffer.
1650
* @param in_str A readable stream.
1651
*
1652
* @see yy_switch_to_buffer
1653
*/
1654
void yyset_in (FILE * in_str )
1655
{
1656
yyin = in_str ;
1657
}
1658
1659
void yyset_out (FILE * out_str )
1660
{
1661
yyout = out_str ;
1662
}
1663
1664
int yyget_debug (void)
1665
{
1666
return yy_flex_debug;
1667
}
1668
1669
void yyset_debug (int bdebug )
1670
{
1671
yy_flex_debug = bdebug ;
1672
}
1673
1674
static int yy_init_globals (void)
1675
{
1676
/* Initialization is the same as for the non-reentrant scanner.
1677
* This function is called from yylex_destroy(), so don't allocate here.
1678
*/
1679
1680
(yy_buffer_stack) = 0;
1681
(yy_buffer_stack_top) = 0;
1682
(yy_buffer_stack_max) = 0;
1683
(yy_c_buf_p) = (char *) 0;
1684
(yy_init) = 0;
1685
(yy_start) = 0;
1686
1687
/* Defined in main.c */
1688
#ifdef YY_STDINIT
1689
yyin = stdin;
1690
yyout = stdout;
1691
#else
1692
yyin = (FILE *) 0;
1693
yyout = (FILE *) 0;
1694
#endif
1695
1696
/* For future reference: Set errno on error, since we are called by
1697
* yylex_init()
1698
*/
1699
return 0;
1700
}
1701
1702
/* yylex_destroy is for both reentrant and non-reentrant scanners. */
1703
int yylex_destroy (void)
1704
{
1705
1706
/* Pop the buffer stack, destroying each element. */
1707
while(YY_CURRENT_BUFFER){
1708
yy_delete_buffer(YY_CURRENT_BUFFER );
1709
YY_CURRENT_BUFFER_LVALUE = NULL;
1710
yypop_buffer_state();
1711
}
1712
1713
/* Destroy the stack itself. */
1714
yyfree((yy_buffer_stack) );
1715
(yy_buffer_stack) = NULL;
1716
1717
/* Reset the globals. This is important in a non-reentrant scanner so the next time
1718
* yylex() is called, initialization will occur. */
1719
yy_init_globals( );
1720
1721
return 0;
1722
}
1723
1724
/*
1725
* Internal utility routines.
1726
*/
1727
1728
#ifndef yytext_ptr
1729
static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
1730
{
1731
register int i;
1732
for ( i = 0; i < n; ++i )
1733
s1[i] = s2[i];
1734
}
1735
#endif
1736
1737
#ifdef YY_NEED_STRLEN
1738
static int yy_flex_strlen (yyconst char * s )
1739
{
1740
register int n;
1741
for ( n = 0; s[n]; ++n )
1742
;
1743
1744
return n;
1745
}
1746
#endif
1747
1748
void *yyalloc (yy_size_t size )
1749
{
1750
return (void *) malloc( size );
1751
}
1752
1753
void *yyrealloc (void * ptr, yy_size_t size )
1754
{
1755
/* The cast to (char *) in the following accommodates both
1756
* implementations that use char* generic pointers, and those
1757
* that use void* generic pointers. It works with the latter
1758
* because both ANSI C and C++ allow castless assignment from
1759
* any pointer type to void*, and deal with argument conversions
1760
* as though doing an assignment.
1761
*/
1762
return (void *) realloc( (char *) ptr, size );
1763
}
1764
1765
void yyfree (void * ptr )
1766
{
1767
free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
1768
}
1769
1770
#define YYTABLES_NAME "yytables"
1771
1772
#line 68 "slc-lex.l"
1773
1774
1775
1776
void
1777
error_message (const char *format, ...)
1778
{
1779
va_list args;
1780
1781
va_start (args, format);
1782
fprintf (stderr, "%s:%d: ", filename, lineno);
1783
vfprintf (stderr, format, args);
1784
va_end (args);
1785
error_flag++;
1786
}
1787
1788
void
1789
yyerror (char *s)
1790
{
1791
error_message("%s\n", s);
1792
}
1793
1794
static void
1795
handle_comment(void)
1796
{
1797
int c;
1798
int start_lineno = lineno;
1799
int level = 1;
1800
int seen_star = 0;
1801
int seen_slash = 0;
1802
while((c = input()) != EOF) {
1803
if(c == '/') {
1804
if(seen_star) {
1805
if(--level == 0)
1806
return;
1807
seen_star = 0;
1808
continue;
1809
}
1810
seen_slash = 1;
1811
continue;
1812
} else if(c == '*') {
1813
if(seen_slash) {
1814
level++;
1815
seen_star = seen_slash = 0;
1816
continue;
1817
}
1818
seen_star = 1;
1819
continue;
1820
}
1821
seen_star = seen_slash = 0;
1822
if(c == '\n') {
1823
lineno++;
1824
continue;
1825
}
1826
}
1827
if(c == EOF)
1828
error_message("unterminated comment, possibly started on line %d\n", start_lineno);
1829
}
1830
1831
static char *
1832
handle_string(void)
1833
{
1834
char x[1024];
1835
int i = 0;
1836
int c;
1837
int quote = 0;
1838
while((c = input()) != EOF){
1839
if(quote) {
1840
x[i++] = '\\';
1841
x[i++] = c;
1842
quote = 0;
1843
continue;
1844
}
1845
if(c == '\n'){
1846
error_message("unterminated string");
1847
lineno++;
1848
break;
1849
}
1850
if(c == '\\'){
1851
quote++;
1852
continue;
1853
}
1854
if(c == '\"')
1855
break;
1856
x[i++] = c;
1857
}
1858
x[i] = '\0';
1859
return strdup(x);
1860
}
1861
1862
int
1863
yywrap ()
1864
{
1865
return 1;
1866
}
1867
1868
1869