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Text File | 1994-01-05 | 26.4 KB | 1,217 lines |
- /* A lexical scanner generated by flex */
-
- /* Scanner skeleton version:
- * $Header: flex.skl,v 1.2 94/01/04 14:33:15 vern Exp $
- */
-
- #define FLEX_SCANNER
-
- %-
- #include <stdio.h>
- %*
-
-
- /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
- #ifdef c_plusplus
- #ifndef __cplusplus
- #define __cplusplus
- #endif
- #endif
-
-
- #ifdef __cplusplus
-
- #include <stdlib.h>
- %+
- class istream;
- %*
- #include <unistd.h>
-
- /* Use prototypes in function declarations. */
- #define YY_USE_PROTOS
-
- /* The "const" storage-class-modifier is valid. */
- #define YY_USE_CONST
-
- #else /* ! __cplusplus */
-
- #ifdef __STDC__
-
- #define YY_USE_PROTOS
- #define YY_USE_CONST
-
- #endif /* __STDC__ */
- #endif /* ! __cplusplus */
-
-
- #ifdef __TURBOC__
- #define YY_USE_CONST
- #endif
-
-
- #ifndef YY_USE_CONST
- #ifndef const
- #define const
- #endif
- #endif
-
-
- #ifdef YY_USE_PROTOS
- #define YY_PROTO(proto) proto
- #else
- #define YY_PROTO(proto) ()
- #endif
-
- /* Returned upon end-of-file. */
- #define YY_NULL 0
-
- /* Promotes a possibly negative, possibly signed char to an unsigned
- * integer for use as an array index. If the signed char is negative,
- * we want to instead treat it as an 8-bit unsigned char, hence the
- * double cast.
- */
- #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
-
- /* 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.
- */
- #define YY_START ((yy_start - 1) / 2)
-
- /* 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". Now included
- * only for backward compatibility with previous versions of flex.
- */
- #define YY_NEW_FILE yyrestart( yyin )
-
- #define YY_END_OF_BUFFER_CHAR 0
-
- /* Size of default input buffer. */
- #define YY_BUF_SIZE 16384
-
- typedef struct yy_buffer_state *YY_BUFFER_STATE;
-
- extern int yyleng;
- %-
- extern FILE *yyin, *yyout;
- %*
-
- #ifdef __cplusplus
- extern "C" {
- #endif
- extern int yywrap YY_PROTO(( void ));
- #ifdef __cplusplus
- }
- #endif
-
- #define EOB_ACT_CONTINUE_SCAN 0
- #define EOB_ACT_END_OF_FILE 1
- #define EOB_ACT_LAST_MATCH 2
-
- /* The funky do-while in the following #define is used to turn the definition
- * int a single C statement (which needs a semi-colon terminator). This
- * avoids problems with code like:
- *
- * if ( condition_holds )
- * yyless( 5 );
- * else
- * do_something_else();
- *
- * Prior to using the do-while the compiler would get upset at the
- * "else" because it interpreted the "if" statement as being all
- * done when it reached the ';' after the yyless() call.
- */
-
- /* Return all but the first 'n' matched characters back to the input stream. */
-
- #define yyless(n) \
- do \
- { \
- /* Undo effects of setting up yytext. */ \
- *yy_cp = yy_hold_char; \
- yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
- YY_DO_BEFORE_ACTION; /* set up yytext again */ \
- } \
- while ( 0 )
-
- #define unput(c) yyunput( c, yytext_ptr )
-
-
- struct yy_buffer_state
- {
- %-
- FILE *yy_input_file;
- %+
- istream* yy_input_file;
- %*
-
- char *yy_ch_buf; /* input buffer */
- char *yy_buf_pos; /* current position in input buffer */
-
- /* Size of input buffer in bytes, not including room for EOB
- * characters.
- */
- int yy_buf_size;
-
- /* Number of characters read into yy_ch_buf, not including EOB
- * characters.
- */
- int yy_n_chars;
-
- /* Whether 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 to try to fill the input buffer when we reach the
- * end of it.
- */
- int yy_fill_buffer;
-
- /* Whether we've seen an EOF on this buffer. */
- int yy_eof_status;
- #define EOF_NOT_SEEN 0
- /* "Pending" happens when the EOF has been seen but there's still
- * some text to process. Note that when we actually see the EOF,
- * we switch the status back to "not seen" (via yyrestart()), so
- * that the user can continue scanning by just pointing yyin at
- * a new input file.
- */
- #define EOF_PENDING 1
- };
-
- %- Standard (non-C++) definition
- static YY_BUFFER_STATE yy_current_buffer = 0;
- %*
-
- /* 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".
- */
- #define YY_CURRENT_BUFFER yy_current_buffer
-
-
- %- Standard (non-C++) definition
- /* yy_hold_char holds the character lost when yytext is formed. */
- static char yy_hold_char;
-
- static int yy_n_chars; /* number of characters read into yy_ch_buf */
-
-
- int yyleng;
-
- /* 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 yywrap()'s to do buffer switches
- * instead of setting up a fresh yyin. A bit of a hack ...
- */
- static int yy_did_buffer_switch_on_eof;
-
- static void yyunput YY_PROTO(( int c, char *buf_ptr ));
- void yyrestart YY_PROTO(( FILE *input_file ));
- void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
- void yy_load_buffer_state YY_PROTO(( void ));
- YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
- void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
- void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
-
- static int yy_start_stack_ptr = 0;
- static int yy_start_stack_depth = 0;
- static int *yy_start_stack = 0;
- static void yy_push_state YY_PROTO(( int new_state ));
- static void yy_pop_state YY_PROTO(( void ));
- static int yy_top_state YY_PROTO(( void ));
- %*
-
- #ifndef yytext_ptr
- static void yy_flex_strcpy YY_PROTO(( char *, const char * ));
- #endif
-
- static void *yy_flex_alloc YY_PROTO(( unsigned int ));
- static void *yy_flex_realloc YY_PROTO(( void *ptr, unsigned int ));
- static void yy_flex_free YY_PROTO(( void * ));
-
- #define yy_new_buffer yy_create_buffer
-
- %% yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here
-
- %- Standard (non-C++) definition
- #ifdef __cplusplus
- static int yyinput YY_PROTO(( void ));
- #else
- static int input YY_PROTO(( void ));
- #endif
- %*
-
- %- Standard (non-C++) definition
- static yy_state_type yy_get_previous_state YY_PROTO(( void ));
- static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
- static int yy_get_next_buffer YY_PROTO(( void ));
- static void yy_fatal_error YY_PROTO(( const char msg[] ));
- %*
-
- /* Done after the current pattern has been matched and before the
- * corresponding action - sets up yytext.
- */
- #define YY_DO_BEFORE_ACTION \
- yytext_ptr = yy_bp; \
- %% code to fiddle yytext and yyleng for yymore() goes here
- yy_hold_char = *yy_cp; \
- *yy_cp = '\0'; \
- %% code to copy yytext_ptr to yytext[] goes here, if %array
- yy_c_buf_p = yy_cp;
-
- %% data tables for the DFA and the user's section 1 definitions go here
-
- /* Macros after this point can all be overridden by user definitions in
- * section 1.
- */
-
- #ifdef YY_MALLOC_DECL
- YY_MALLOC_DECL
- #else
- #if __STDC__
- #ifndef __cplusplus
- #include <stdlib.h>
- #endif
- #else
- /* Just try to get by without declaring the routines. This will fail
- * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
- * or sizeof(void*) != sizeof(int).
- */
- #endif
- #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
- %- 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( yytext, yyleng, 1, yyout )
- %+ C++ definition
- #define ECHO LexerOutput( yytext, yyleng )
- %*
- #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) \
- %% fread()/read() definition of YY_INPUT goes here unless we're doing C++
- %+ C++ definition
- if ( (result = LexerInput( (char *) buf, max_size )) < 0 ) \
- YY_FATAL_ERROR( "input in flex scanner failed" );
- %*
- #endif
-
- /* No semi-colon after return; correct usage is to write "yyterminate();" -
- * we don't want an extra ';' after the "return" because that will cause
- * some compilers to complain about unreachable statements.
- */
- #ifndef yyterminate
- #define yyterminate() return YY_NULL
- #endif
-
- /* Number of entries by which start-condition stack grows. */
- #ifndef YY_START_STACK_INCR
- #define YY_START_STACK_INCR 25
- #endif
-
- /* Report a fatal error. */
- #ifndef YY_FATAL_ERROR
- %-
- #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
- %+
- #define YY_FATAL_ERROR(msg) LexerError( msg )
- %*
- #endif
-
- /* Default declaration of generated scanner - a define so the user can
- * easily add parameters.
- */
- #ifndef YY_DECL
- %- Standard (non-C++) definition
- #define YY_DECL int yylex YY_PROTO(( void ))
- %+ C++ definition
- #define YY_DECL int yyFlexLexer::yylex()
- %*
- #endif
-
- /* Code executed at the beginning of each rule, after yytext and yyleng
- * have been set up.
- */
- #ifndef YY_USER_ACTION
- #define YY_USER_ACTION
- #endif
-
- /* Code executed at the end of each rule. */
- #ifndef YY_BREAK
- #define YY_BREAK break;
- #endif
-
- YY_DECL
- {
- register yy_state_type yy_current_state;
- register char *yy_cp, *yy_bp;
- register int yy_act;
-
- %% user's declarations go here
-
- if ( yy_init )
- {
- #ifdef YY_USER_INIT
- YY_USER_INIT;
- #endif
-
- if ( ! yy_start )
- yy_start = 1; /* first start state */
-
- if ( ! yyin )
- %-
- yyin = stdin;
- %+
- yyin = &cin;
- %*
-
- if ( ! yyout )
- %-
- yyout = stdout;
- %+
- yyout = &cout;
- %*
-
- if ( yy_current_buffer )
- yy_init_buffer( yy_current_buffer, yyin );
- else
- yy_current_buffer =
- yy_create_buffer( yyin, YY_BUF_SIZE );
-
- yy_load_buffer_state();
-
- yy_init = 0;
- }
-
- while ( 1 ) /* loops until end-of-file is reached */
- {
- %% yymore()-related code goes here
- yy_cp = yy_c_buf_p;
-
- /* Support of yytext. */
- *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;
-
- %% code to set up and find next match goes here
-
- yy_find_action:
- %% code to find the action number goes here
-
- YY_DO_BEFORE_ACTION;
-
- %% code for yylineno update goes here, if -l option
-
- do_action: /* This label is used only to access EOF actions. */
-
- %% debug code goes here
-
- switch ( yy_act )
- { /* beginning of action switch */
- %% actions go here
-
- case YY_END_OF_BUFFER:
- {
- /* Amount of text matched not including the EOB char. */
- int yy_amount_of_matched_text = yy_cp - yytext_ptr - 1;
-
- /* Undo the effects of YY_DO_BEFORE_ACTION. */
- *yy_cp = yy_hold_char;
-
- if ( yy_current_buffer->yy_input_file != yyin )
- {
- /* This can happen if we scan a file, yywrap() returns
- * 1, and then later the user points yyin at a new
- * file to resume scanning. 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 file.
- */
- yy_current_buffer->yy_input_file = yyin;
- yy_n_chars = yy_current_buffer->yy_n_chars;
- }
-
- /* 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->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
- {
- %% code to do back-up for compressed tables and set up yy_cp goes here
- goto yy_find_action;
- }
- }
-
- else switch ( yy_get_next_buffer() )
- {
- case EOB_ACT_END_OF_FILE:
- {
- yy_did_buffer_switch_on_eof = 0;
-
- if ( yywrap() )
- {
- /* Note: because we've taken care in
- * yy_get_next_buffer() to have set up
- * yytext, we can now set up
- * yy_c_buf_p so that if some total
- * hoser (like flex itself) wants to
- * call the scanner after we return the
- * YY_NULL, it'll still work - another
- * YY_NULL will get returned.
- */
- 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->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 yylex */
-
- %+
- #ifdef YY_INTERACTIVE
- int yyFlexLexer::LexerInput( char* buf, int /* max_size */ )
- #else
- int yyFlexLexer::LexerInput( char* buf, int max_size )
- #endif
- {
- if ( yyin->eof() || yyin->fail() )
- return 0;
-
- #ifdef YY_INTERACTIVE
- yyin->get( buf[0] );
-
- if ( yyin->eof() )
- return 0;
-
- if ( yyin->bad() )
- return -1;
-
- return 1;
-
- #else
- (void) yyin->read( buf, max_size );
-
- if ( yyin->bad() )
- return -1;
- else
- return yyin->gcount();
- #endif
- }
-
- void yyFlexLexer::LexerOutput( const char* buf, int size )
- {
- (void) yyout->write( buf, size );
- }
- %*
-
- /* yy_get_next_buffer - try to read in a new buffer
- *
- * Returns a code representing an action:
- * EOB_ACT_LAST_MATCH -
- * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
- * EOB_ACT_END_OF_FILE - end of file
- */
-
- %-
- static int yy_get_next_buffer()
- %+
- int yyFlexLexer::yy_get_next_buffer()
- %*
- {
- register char *dest = yy_current_buffer->yy_ch_buf;
- register char *source = yytext_ptr - 1; /* copy prev. char, too */
- register int number_to_move, i;
- int ret_val;
-
- if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
- YY_FATAL_ERROR(
- "fatal flex scanner internal error--end of buffer missed" );
-
- if ( yy_current_buffer->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 singled characater, the EOB, so
- * treat this as a final EOF.
- */
- return EOB_ACT_END_OF_FILE;
- }
-
- else
- {
- /* We matched some text prior to the EOB, first
- * process it.
- */
- return EOB_ACT_LAST_MATCH;
- }
- }
-
- /* Try to read more data. */
-
- /* First move last chars to start of buffer. */
- number_to_move = yy_c_buf_p - yytext_ptr;
-
- for ( i = 0; i < number_to_move; ++i )
- *(dest++) = *(source++);
-
- if ( yy_current_buffer->yy_eof_status != EOF_NOT_SEEN )
- /* don't do the read, it's not guaranteed to return an EOF,
- * just force an EOF
- */
- yy_n_chars = 0;
-
- else
- {
- int num_to_read =
- yy_current_buffer->yy_buf_size - number_to_move - 1;
-
- while ( num_to_read <= 0 )
- { /* Not enough room in the buffer - grow it. */
- #ifdef YY_USES_REJECT
- YY_FATAL_ERROR(
- "input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
- #else
-
- /* just a shorter name for the current buffer */
- YY_BUFFER_STATE b = yy_current_buffer;
-
- int yy_c_buf_p_offset = yy_c_buf_p - b->yy_ch_buf;
-
- b->yy_buf_size *= 2;
- b->yy_ch_buf = (char *)
- yy_flex_realloc( (void *) b->yy_ch_buf,
- b->yy_buf_size );
-
- 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->yy_buf_size -
- number_to_move - 1;
- #endif
- }
-
- if ( num_to_read > YY_READ_BUF_SIZE )
- num_to_read = YY_READ_BUF_SIZE;
-
- /* Read in more data. */
- YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
- yy_n_chars, num_to_read );
- }
-
- if ( yy_n_chars == 0 )
- {
- if ( number_to_move - YY_MORE_ADJ == 1 )
- {
- ret_val = EOB_ACT_END_OF_FILE;
- yyrestart( yyin );
- }
-
- else
- {
- ret_val = EOB_ACT_LAST_MATCH;
- yy_current_buffer->yy_eof_status = EOF_PENDING;
- }
- }
-
- else
- ret_val = EOB_ACT_CONTINUE_SCAN;
-
- yy_n_chars += number_to_move;
- yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
- yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
-
- /* yytext begins at the second character in yy_ch_buf; the first
- * character is the one which preceded it before reading in the latest
- * buffer; it needs to be kept around in case it's a newline, so
- * yy_get_previous_state() will have with '^' rules active.
- */
-
- yytext_ptr = &yy_current_buffer->yy_ch_buf[1];
-
- return ret_val;
- }
-
-
- /* yy_get_previous_state - get the state just before the EOB char was reached */
-
- %-
- static yy_state_type yy_get_previous_state()
- %+
- yy_state_type yyFlexLexer::yy_get_previous_state()
- %*
- {
- register yy_state_type yy_current_state;
- register char *yy_cp;
-
- %% code to get the start state into yy_current_state goes here
-
- for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
- {
- %% code to find the next state goes here
- }
-
- 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 );
- */
-
- %-
- #ifdef YY_USE_PROTOS
- static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
- #else
- static yy_state_type yy_try_NUL_trans( yy_current_state )
- yy_state_type yy_current_state;
- #endif
- %+
- yy_state_type yyFlexLexer::yy_try_NUL_trans( yy_state_type yy_current_state )
- %*
- {
- register int yy_is_jam;
- %% code to find the next state, and perhaps do backing up, goes here
-
- return yy_is_jam ? 0 : yy_current_state;
- }
-
-
- %-
- #ifdef YY_USE_PROTOS
- static void yyunput( int c, register char *yy_bp )
- #else
- static void yyunput( c, yy_bp )
- int c;
- register char *yy_bp;
- #endif
- %+
- void yyFlexLexer::yyunput( int c, register char* yy_bp )
- %*
- {
- register char *yy_cp = yy_c_buf_p;
-
- /* undo effects of setting up yytext */
- *yy_cp = yy_hold_char;
-
- if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
- { /* need to shift things up to make room */
- /* +2 for EOB chars. */
- register int number_to_move = yy_n_chars + 2;
- register char *dest = &yy_current_buffer->yy_ch_buf[
- yy_current_buffer->yy_buf_size + 2];
- register char *source =
- &yy_current_buffer->yy_ch_buf[number_to_move];
-
- while ( source > yy_current_buffer->yy_ch_buf )
- *--dest = *--source;
-
- yy_cp += dest - source;
- yy_bp += dest - source;
- yy_n_chars = yy_current_buffer->yy_buf_size;
-
- if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
- YY_FATAL_ERROR( "flex scanner push-back overflow" );
- }
-
- if ( yy_cp > yy_bp && yy_cp[-1] == '\n' )
- yy_cp[-2] = '\n';
-
- *--yy_cp = (char) c;
-
- %% update yylineno here, if doing -l
-
- /* Note: the formal parameter *must* be called "yy_bp" for this
- * macro to now work correctly.
- */
- YY_DO_BEFORE_ACTION; /* set up yytext again */
- }
-
-
- %-
- #ifdef __cplusplus
- static int yyinput()
- #else
- static int input()
- #endif
- %+
- int yyFlexLexer::yyinput()
- %*
- {
- 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->yy_ch_buf[yy_n_chars] )
- /* This was really a NUL. */
- *yy_c_buf_p = '\0';
-
- else
- { /* need more input */
- yytext_ptr = yy_c_buf_p;
- ++yy_c_buf_p;
-
- switch ( yy_get_next_buffer() )
- {
- case EOB_ACT_END_OF_FILE:
- {
- if ( yywrap() )
- {
- yy_c_buf_p =
- yytext_ptr + YY_MORE_ADJ;
- return EOF;
- }
-
- YY_NEW_FILE;
- #ifdef __cplusplus
- return yyinput();
- #else
- return input();
- #endif
- }
-
- case EOB_ACT_CONTINUE_SCAN:
- yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
- break;
-
- case EOB_ACT_LAST_MATCH:
- #ifdef __cplusplus
- YY_FATAL_ERROR(
- "unexpected last match in yyinput()" );
- #else
- YY_FATAL_ERROR(
- "unexpected last match in input()" );
- #endif
- }
- }
- }
-
- c = *yy_c_buf_p;
- *yy_c_buf_p = '\0'; /* preserve yytext */
- yy_hold_char = *++yy_c_buf_p;
-
- return c;
- }
-
-
- %-
- #ifdef YY_USE_PROTOS
- void yyrestart( FILE *input_file )
- #else
- void yyrestart( input_file )
- FILE *input_file;
- #endif
- %+
- void yyFlexLexer::yyrestart( istream* input_file )
- %*
- {
- if ( ! yy_current_buffer )
- yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
-
- yy_init_buffer( yy_current_buffer, input_file );
- yy_load_buffer_state();
- }
-
-
- %-
- #ifdef YY_USE_PROTOS
- void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
- #else
- void yy_switch_to_buffer( new_buffer )
- YY_BUFFER_STATE new_buffer;
- #endif
- %+
- void yyFlexLexer::yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
- %*
- {
- 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->yy_buf_pos = yy_c_buf_p;
- yy_current_buffer->yy_n_chars = yy_n_chars;
- }
-
- yy_current_buffer = new_buffer;
- yy_load_buffer_state();
-
- /* We don't actually know whether we did this switch during
- * EOF (yywrap()) processing, but the only time this flag
- * is looked at is after yywrap() is called, so it's safe
- * to go ahead and always set it.
- */
- yy_did_buffer_switch_on_eof = 1;
- }
-
-
- %-
- #ifdef YY_USE_PROTOS
- void yy_load_buffer_state( void )
- #else
- void yy_load_buffer_state()
- #endif
- %+
- void yyFlexLexer::yy_load_buffer_state()
- %*
- {
- yy_n_chars = yy_current_buffer->yy_n_chars;
- yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
- yyin = yy_current_buffer->yy_input_file;
- yy_hold_char = *yy_c_buf_p;
- }
-
-
- %-
- #ifdef YY_USE_PROTOS
- YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
- #else
- YY_BUFFER_STATE yy_create_buffer( file, size )
- FILE *file;
- int size;
- #endif
- %+
- YY_BUFFER_STATE yyFlexLexer::yy_create_buffer( istream* file, int size )
- %*
- {
- YY_BUFFER_STATE b;
-
- b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
-
- if ( ! b )
- YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
-
- b->yy_buf_size = size;
-
- /* yy_ch_buf has to be 2 characters longer than the size given because
- * we need to put in 2 end-of-buffer characters.
- */
- b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
-
- if ( ! b->yy_ch_buf )
- YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
-
- yy_init_buffer( b, file );
-
- return b;
- }
-
-
- %-
- #ifdef YY_USE_PROTOS
- void yy_delete_buffer( YY_BUFFER_STATE b )
- #else
- void yy_delete_buffer( b )
- YY_BUFFER_STATE b;
- #endif
- %+
- void yyFlexLexer::yy_delete_buffer( YY_BUFFER_STATE b )
- %*
- {
- if ( b == yy_current_buffer )
- yy_current_buffer = (YY_BUFFER_STATE) 0;
-
- yy_flex_free( (void *) b->yy_ch_buf );
- yy_flex_free( (void *) b );
- }
-
-
- %-
- #ifdef YY_USE_PROTOS
- void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
- #else
- void yy_init_buffer( b, file )
- YY_BUFFER_STATE b;
- FILE *file;
- #endif
- %+
- void yyFlexLexer::yy_init_buffer( YY_BUFFER_STATE b, istream* file )
- %*
- {
- b->yy_input_file = file;
-
- /* We put in the '\n' and start reading from [1] so that an
- * initial match-at-newline will be true.
- */
-
- b->yy_ch_buf[0] = '\n';
- b->yy_n_chars = 1;
-
- /* 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[1] = YY_END_OF_BUFFER_CHAR;
- b->yy_ch_buf[2] = YY_END_OF_BUFFER_CHAR;
-
- b->yy_buf_pos = &b->yy_ch_buf[1];
-
- %-
- b->yy_is_interactive = file ? isatty( fileno(file) ) : 0;
- %+
- b->yy_is_interactive = 0;
- %*
-
- b->yy_fill_buffer = 1;
-
- b->yy_eof_status = EOF_NOT_SEEN;
- }
-
-
- %-
- #ifdef YY_USE_PROTOS
- static void yy_push_state( int new_state )
- #else
- static void yy_push_state( new_state )
- int new_state;
- #endif
- %+
- void yyFlexLexer::yy_push_state( int new_state )
- %*
- {
- if ( yy_start_stack_ptr >= yy_start_stack_depth )
- {
- int new_size;
-
- yy_start_stack_depth += YY_START_STACK_INCR;
- new_size = yy_start_stack_depth * sizeof( int );
-
- if ( ! yy_start_stack )
- yy_start_stack = (int *) yy_flex_alloc( new_size );
-
- else
- yy_start_stack = (int *) yy_flex_realloc(
- (void *) yy_start_stack, new_size );
-
- if ( ! yy_start_stack )
- YY_FATAL_ERROR(
- "out of memory expanding start-condition stack" );
- }
-
- yy_start_stack[yy_start_stack_ptr++] = YY_START;
-
- BEGIN(new_state);
- }
-
-
- %-
- static void yy_pop_state()
- %+
- void yyFlexLexer::yy_pop_state()
- %*
- {
- if ( --yy_start_stack_ptr < 0 )
- YY_FATAL_ERROR( "start-condition stack underflow" );
-
- BEGIN(yy_start_stack[yy_start_stack_ptr]);
- }
-
-
- %-
- static int yy_top_state()
- %+
- int yyFlexLexer::yy_top_state()
- %*
- {
- return yy_start_stack[yy_start_stack_ptr - 1];
- }
-
-
- %-
- #ifdef YY_USE_PROTOS
- static void yy_fatal_error( const char msg[] )
- #else
- static void yy_fatal_error( msg )
- char msg[];
- #endif
- {
- (void) fprintf( stderr, "%s\n", msg );
- exit( 1 );
- }
-
- %+
-
- void yyFlexLexer::LexerError( const char msg[] )
- {
- cerr << msg << '\n';
- exit( 1 );
- }
- %*
-
-
- /* Redefine yyless() so it works in section 3 code. */
-
- #undef yyless
- #define yyless(n) \
- do \
- { \
- /* Undo effects of setting up yytext. */ \
- yytext[yyleng] = yy_hold_char; \
- yy_c_buf_p = yytext + n - YY_MORE_ADJ; \
- yy_hold_char = *yy_c_buf_p; \
- *yy_c_buf_p = '\0'; \
- yyleng = n; \
- } \
- while ( 0 )
-
-
- /* Internal utility routines. */
-
- #ifndef yytext_ptr
- #ifdef YY_USE_PROTOS
- static void yy_flex_strcpy( char *s1, const char *s2 )
- #else
- static void yy_flex_strcpy( s1, s2 )
- char *s1;
- const char *s2;
- #endif
- {
- while ( (*(s1++) = *(s2++)) )
- ;
- }
- #endif
-
-
- #ifdef YY_USE_PROTOS
- static void *yy_flex_alloc( unsigned int size )
- #else
- static void *yy_flex_alloc( size )
- unsigned int size;
- #endif
- {
- return (void *) malloc( size );
- }
-
- #ifdef YY_USE_PROTOS
- static void *yy_flex_realloc( void *ptr, unsigned int size )
- #else
- static void *yy_flex_realloc( ptr, size )
- void *ptr;
- unsigned int size;
- #endif
- {
- return (void *) realloc( ptr, size );
- }
-
- #ifdef YY_USE_PROTOS
- static void yy_flex_free( void *ptr )
- #else
- static void yy_flex_free( ptr )
- void *ptr;
- #endif
- {
- free( ptr );
- }
-