rlm@1: #line 2 "expr-lex.cpp"
rlm@1: /* A lexical scanner generated by flex */
rlm@1:
rlm@1: /* Scanner skeleton version:
rlm@1: * $Header: /cvsroot/vba/VisualBoyAdvance/src/expr-lex.cpp,v 1.2 2003/06/06 14:17:21 forgotten Exp $
rlm@1: */
rlm@1:
rlm@1: #define FLEX_SCANNER
rlm@1: #define YY_FLEX_MAJOR_VERSION 2
rlm@1: #define YY_FLEX_MINOR_VERSION 5
rlm@1:
rlm@1: #include <stdio.h>
rlm@1: #ifdef __GNUC__
rlm@1: #include <unistd.h>
rlm@1: #endif
rlm@1:
rlm@1:
rlm@1: /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
rlm@1: #ifdef c_plusplus
rlm@1: #ifndef __cplusplus
rlm@1: #define __cplusplus
rlm@1: #endif
rlm@1: #endif
rlm@1:
rlm@1:
rlm@1: #ifdef __cplusplus
rlm@1:
rlm@1: #include <stdlib.h>
rlm@1:
rlm@1: /* Use prototypes in function declarations. */
rlm@1: #define YY_USE_PROTOS
rlm@1:
rlm@1: /* The "const" storage-class-modifier is valid. */
rlm@1: #define YY_USE_CONST
rlm@1:
rlm@1: #else /* ! __cplusplus */
rlm@1:
rlm@1: #if __STDC__
rlm@1:
rlm@1: #define YY_USE_PROTOS
rlm@1: #define YY_USE_CONST
rlm@1:
rlm@1: #endif /* __STDC__ */
rlm@1: #endif /* ! __cplusplus */
rlm@1:
rlm@1: #ifdef __TURBOC__
rlm@1: #pragma warn -rch
rlm@1: #pragma warn -use
rlm@1: #include <io.h>
rlm@1: #include <stdlib.h>
rlm@1: #define YY_USE_CONST
rlm@1: #define YY_USE_PROTOS
rlm@1: #endif
rlm@1:
rlm@1: #ifdef YY_USE_CONST
rlm@1: #define yyconst const
rlm@1: #else
rlm@1: #define yyconst
rlm@1: #endif
rlm@1:
rlm@1:
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: #define YY_PROTO(proto) proto
rlm@1: #else
rlm@1: #define YY_PROTO(proto) ()
rlm@1: #endif
rlm@1:
rlm@1: /* Returned upon end-of-file. */
rlm@1: #define YY_NULL 0
rlm@1:
rlm@1: /* Promotes a possibly negative, possibly signed char to an unsigned
rlm@1: * integer for use as an array index. If the signed char is negative,
rlm@1: * we want to instead treat it as an 8-bit unsigned char, hence the
rlm@1: * double cast.
rlm@1: */
rlm@1: #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
rlm@1:
rlm@1: /* Enter a start condition. This macro really ought to take a parameter,
rlm@1: * but we do it the disgusting crufty way forced on us by the ()-less
rlm@1: * definition of BEGIN.
rlm@1: */
rlm@1: #define BEGIN yy_start = 1 + 2 *
rlm@1:
rlm@1: /* Translate the current start state into a value that can be later handed
rlm@1: * to BEGIN to return to the state. The YYSTATE alias is for lex
rlm@1: * compatibility.
rlm@1: */
rlm@1: #define YY_START ((yy_start - 1) / 2)
rlm@1: #define YYSTATE YY_START
rlm@1:
rlm@1: /* Action number for EOF rule of a given start state. */
rlm@1: #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
rlm@1:
rlm@1: /* Special action meaning "start processing a new file". */
rlm@1: #define YY_NEW_FILE yyrestart( yyin )
rlm@1:
rlm@1: #define YY_END_OF_BUFFER_CHAR 0
rlm@1:
rlm@1: /* Size of default input buffer. */
rlm@1: #define YY_BUF_SIZE 16384
rlm@1:
rlm@1: typedef struct yy_buffer_state *YY_BUFFER_STATE;
rlm@1:
rlm@1: extern int yyleng;
rlm@1: extern FILE *yyin, *yyout;
rlm@1:
rlm@1: #define EOB_ACT_CONTINUE_SCAN 0
rlm@1: #define EOB_ACT_END_OF_FILE 1
rlm@1: #define EOB_ACT_LAST_MATCH 2
rlm@1:
rlm@1: /* The funky do-while in the following #define is used to turn the definition
rlm@1: * int a single C statement (which needs a semi-colon terminator). This
rlm@1: * avoids problems with code like:
rlm@1: *
rlm@1: * if ( condition_holds )
rlm@1: * yyless( 5 );
rlm@1: * else
rlm@1: * do_something_else();
rlm@1: *
rlm@1: * Prior to using the do-while the compiler would get upset at the
rlm@1: * "else" because it interpreted the "if" statement as being all
rlm@1: * done when it reached the ';' after the yyless() call.
rlm@1: */
rlm@1:
rlm@1: /* Return all but the first 'n' matched characters back to the input stream. */
rlm@1:
rlm@1: #define yyless(n) \
rlm@1: do \
rlm@1: { \
rlm@1: /* Undo effects of setting up yytext. */ \
rlm@1: *yy_cp = yy_hold_char; \
rlm@1: YY_RESTORE_YY_MORE_OFFSET \
rlm@1: yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
rlm@1: YY_DO_BEFORE_ACTION; /* set up yytext again */ \
rlm@1: } \
rlm@1: while ( 0 )
rlm@1:
rlm@1: #define unput(c) yyunput( c, yytext_ptr )
rlm@1:
rlm@1: /* The following is because we cannot portably get our hands on size_t
rlm@1: * (without autoconf's help, which isn't available because we want
rlm@1: * flex-generated scanners to compile on their own).
rlm@1: */
rlm@1: typedef unsigned int yy_size_t;
rlm@1:
rlm@1:
rlm@1: struct yy_buffer_state
rlm@1: {
rlm@1: FILE *yy_input_file;
rlm@1:
rlm@1: char *yy_ch_buf; /* input buffer */
rlm@1: char *yy_buf_pos; /* current position in input buffer */
rlm@1:
rlm@1: /* Size of input buffer in bytes, not including room for EOB
rlm@1: * characters.
rlm@1: */
rlm@1: yy_size_t yy_buf_size;
rlm@1:
rlm@1: /* Number of characters read into yy_ch_buf, not including EOB
rlm@1: * characters.
rlm@1: */
rlm@1: int yy_n_chars;
rlm@1:
rlm@1: /* Whether we "own" the buffer - i.e., we know we created it,
rlm@1: * and can realloc() it to grow it, and should free() it to
rlm@1: * delete it.
rlm@1: */
rlm@1: int yy_is_our_buffer;
rlm@1:
rlm@1: /* Whether this is an "interactive" input source; if so, and
rlm@1: * if we're using stdio for input, then we want to use getc()
rlm@1: * instead of fread(), to make sure we stop fetching input after
rlm@1: * each newline.
rlm@1: */
rlm@1: int yy_is_interactive;
rlm@1:
rlm@1: /* Whether we're considered to be at the beginning of a line.
rlm@1: * If so, '^' rules will be active on the next match, otherwise
rlm@1: * not.
rlm@1: */
rlm@1: int yy_at_bol;
rlm@1:
rlm@1: /* Whether to try to fill the input buffer when we reach the
rlm@1: * end of it.
rlm@1: */
rlm@1: int yy_fill_buffer;
rlm@1:
rlm@1: int yy_buffer_status;
rlm@1: #define YY_BUFFER_NEW 0
rlm@1: #define YY_BUFFER_NORMAL 1
rlm@1: /* When an EOF's been seen but there's still some text to process
rlm@1: * then we mark the buffer as YY_EOF_PENDING, to indicate that we
rlm@1: * shouldn't try reading from the input source any more. We might
rlm@1: * still have a bunch of tokens to match, though, because of
rlm@1: * possible backing-up.
rlm@1: *
rlm@1: * When we actually see the EOF, we change the status to "new"
rlm@1: * (via yyrestart()), so that the user can continue scanning by
rlm@1: * just pointing yyin at a new input file.
rlm@1: */
rlm@1: #define YY_BUFFER_EOF_PENDING 2
rlm@1: };
rlm@1:
rlm@1: static YY_BUFFER_STATE yy_current_buffer = 0;
rlm@1:
rlm@1: /* We provide macros for accessing buffer states in case in the
rlm@1: * future we want to put the buffer states in a more general
rlm@1: * "scanner state".
rlm@1: */
rlm@1: #define YY_CURRENT_BUFFER yy_current_buffer
rlm@1:
rlm@1:
rlm@1: /* yy_hold_char holds the character lost when yytext is formed. */
rlm@1: static char yy_hold_char;
rlm@1:
rlm@1: static int yy_n_chars; /* number of characters read into yy_ch_buf */
rlm@1:
rlm@1:
rlm@1: int yyleng;
rlm@1:
rlm@1: /* Points to current character in buffer. */
rlm@1: static char *yy_c_buf_p = (char *) 0;
rlm@1: static int yy_init = 1; /* whether we need to initialize */
rlm@1: static int yy_start = 0; /* start state number */
rlm@1:
rlm@1: /* Flag which is used to allow yywrap()'s to do buffer switches
rlm@1: * instead of setting up a fresh yyin. A bit of a hack ...
rlm@1: */
rlm@1: static int yy_did_buffer_switch_on_eof;
rlm@1:
rlm@1: void yyrestart YY_PROTO(( FILE *input_file ));
rlm@1:
rlm@1: void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
rlm@1: void yy_load_buffer_state YY_PROTO(( void ));
rlm@1: YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
rlm@1: void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
rlm@1: void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
rlm@1: void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
rlm@1: #define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
rlm@1:
rlm@1: YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
rlm@1: YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
rlm@1: YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
rlm@1:
rlm@1: static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
rlm@1: static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
rlm@1: static void yy_flex_free YY_PROTO(( void * ));
rlm@1:
rlm@1: #define yy_new_buffer yy_create_buffer
rlm@1:
rlm@1: #define yy_set_interactive(is_interactive) \
rlm@1: { \
rlm@1: if ( ! yy_current_buffer ) \
rlm@1: yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
rlm@1: yy_current_buffer->yy_is_interactive = is_interactive; \
rlm@1: }
rlm@1:
rlm@1: #define yy_set_bol(at_bol) \
rlm@1: { \
rlm@1: if ( ! yy_current_buffer ) \
rlm@1: yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
rlm@1: yy_current_buffer->yy_at_bol = at_bol; \
rlm@1: }
rlm@1:
rlm@1: #define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
rlm@1:
rlm@1:
rlm@1: #define yywrap() 1
rlm@1: #define YY_SKIP_YYWRAP
rlm@1: typedef unsigned char YY_CHAR;
rlm@1: FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
rlm@1: typedef int yy_state_type;
rlm@1: extern char *yytext;
rlm@1: #define yytext_ptr yytext
rlm@1:
rlm@1: static yy_state_type yy_get_previous_state YY_PROTO(( void ));
rlm@1: static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
rlm@1: static int yy_get_next_buffer YY_PROTO(( void ));
rlm@1: static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
rlm@1:
rlm@1: /* Done after the current pattern has been matched and before the
rlm@1: * corresponding action - sets up yytext.
rlm@1: */
rlm@1: #define YY_DO_BEFORE_ACTION \
rlm@1: yytext_ptr = yy_bp; \
rlm@1: yyleng = (int) (yy_cp - yy_bp); \
rlm@1: yy_hold_char = *yy_cp; \
rlm@1: *yy_cp = '\0'; \
rlm@1: yy_c_buf_p = yy_cp;
rlm@1:
rlm@1: #define YY_NUM_RULES 10
rlm@1: #define YY_END_OF_BUFFER 11
rlm@1: static yyconst short int yy_accept[24] =
rlm@1: { 0,
rlm@1: 0, 0, 11, 9, 8, 8, 6, 7, 9, 4,
rlm@1: 3, 2, 2, 8, 5, 3, 2, 2, 2, 2,
rlm@1: 2, 1, 0
rlm@1: } ;
rlm@1:
rlm@1: static yyconst int yy_ec[256] =
rlm@1: { 0,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1: 1, 2, 1, 1, 1, 1, 1, 4, 1, 1,
rlm@1: 1, 5, 1, 1, 6, 7, 1, 8, 8, 8,
rlm@1: 8, 8, 8, 8, 8, 8, 8, 1, 1, 1,
rlm@1: 1, 9, 1, 1, 10, 10, 10, 10, 10, 10,
rlm@1: 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
rlm@1: 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
rlm@1: 1, 1, 1, 1, 10, 1, 10, 10, 10, 10,
rlm@1:
rlm@1: 11, 12, 10, 10, 13, 10, 10, 10, 10, 10,
rlm@1: 14, 10, 10, 10, 15, 10, 10, 10, 10, 10,
rlm@1: 10, 16, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1:
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1: 1, 1, 1, 1, 1
rlm@1: } ;
rlm@1:
rlm@1: static yyconst int yy_meta[17] =
rlm@1: { 0,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 2, 1, 2,
rlm@1: 2, 2, 2, 2, 2, 2
rlm@1: } ;
rlm@1:
rlm@1: static yyconst short int yy_base[25] =
rlm@1: { 0,
rlm@1: 0, 0, 32, 33, 15, 17, 33, 33, 22, 33,
rlm@1: 22, 0, 16, 19, 33, 20, 0, 11, 15, 11,
rlm@1: 12, 0, 33, 21
rlm@1: } ;
rlm@1:
rlm@1: static yyconst short int yy_def[25] =
rlm@1: { 0,
rlm@1: 23, 1, 23, 23, 23, 23, 23, 23, 23, 23,
rlm@1: 23, 24, 24, 23, 23, 23, 24, 24, 24, 24,
rlm@1: 24, 24, 0, 23
rlm@1: } ;
rlm@1:
rlm@1: static yyconst short int yy_nxt[50] =
rlm@1: { 0,
rlm@1: 4, 5, 6, 7, 8, 9, 10, 11, 4, 12,
rlm@1: 12, 12, 12, 12, 13, 12, 14, 14, 14, 14,
rlm@1: 14, 14, 17, 22, 21, 20, 19, 16, 18, 16,
rlm@1: 15, 23, 3, 23, 23, 23, 23, 23, 23, 23,
rlm@1: 23, 23, 23, 23, 23, 23, 23, 23, 23
rlm@1: } ;
rlm@1:
rlm@1: static yyconst short int yy_chk[50] =
rlm@1: { 0,
rlm@1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
rlm@1: 1, 1, 1, 1, 1, 1, 5, 5, 6, 6,
rlm@1: 14, 14, 24, 21, 20, 19, 18, 16, 13, 11,
rlm@1: 9, 3, 23, 23, 23, 23, 23, 23, 23, 23,
rlm@1: 23, 23, 23, 23, 23, 23, 23, 23, 23
rlm@1: } ;
rlm@1:
rlm@1: static yy_state_type yy_last_accepting_state;
rlm@1: static char *yy_last_accepting_cpos;
rlm@1:
rlm@1: /* The intent behind this definition is that it'll catch
rlm@1: * any uses of REJECT which flex missed.
rlm@1: */
rlm@1: #define REJECT reject_used_but_not_detected
rlm@1: #define yymore() yymore_used_but_not_detected
rlm@1: #define YY_MORE_ADJ 0
rlm@1: #define YY_RESTORE_YY_MORE_OFFSET
rlm@1: char *yytext;
rlm@1: #line 1 "expr.l"
rlm@1: #define INITIAL 0
rlm@1: #line 2 "expr.l"
rlm@1: #include "expr.cpp.h"
rlm@1:
rlm@1: #ifndef __GNUC__
rlm@1: #include <io.h>
rlm@1: #define isatty _isatty
rlm@1: #endif
rlm@1:
rlm@1: char *exprString;
rlm@1: int exprCol;
rlm@1:
rlm@1: #define YY_INPUT(buf,result,max_size) \
rlm@1: { \
rlm@1: int c = *exprString++; \
rlm@1: exprCol++;\
rlm@1: result = (c == 0) ? YY_NULL : (buf[0] = c, 1); \
rlm@1: }
rlm@1: #define YY_MAIN 0
rlm@1: #line 400 "expr-lex.cpp"
rlm@1:
rlm@1: /* Macros after this point can all be overridden by user definitions in
rlm@1: * section 1.
rlm@1: */
rlm@1:
rlm@1: #ifndef YY_SKIP_YYWRAP
rlm@1: #ifdef __cplusplus
rlm@1: extern "C" int yywrap YY_PROTO(( void ));
rlm@1: #else
rlm@1: extern int yywrap YY_PROTO(( void ));
rlm@1: #endif
rlm@1: #endif
rlm@1:
rlm@1: #ifndef YY_NO_UNPUT
rlm@1: static void yyunput YY_PROTO(( int c, char *buf_ptr ));
rlm@1: #endif
rlm@1:
rlm@1: #ifndef yytext_ptr
rlm@1: static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
rlm@1: #endif
rlm@1:
rlm@1: #ifdef YY_NEED_STRLEN
rlm@1: static int yy_flex_strlen YY_PROTO(( yyconst char * ));
rlm@1: #endif
rlm@1:
rlm@1: #ifndef YY_NO_INPUT
rlm@1: #ifdef __cplusplus
rlm@1: static int yyinput YY_PROTO(( void ));
rlm@1: #else
rlm@1: static int input YY_PROTO(( void ));
rlm@1: #endif
rlm@1: #endif
rlm@1:
rlm@1: #if YY_STACK_USED
rlm@1: static int yy_start_stack_ptr = 0;
rlm@1: static int yy_start_stack_depth = 0;
rlm@1: static int *yy_start_stack = 0;
rlm@1: #ifndef YY_NO_PUSH_STATE
rlm@1: static void yy_push_state YY_PROTO(( int new_state ));
rlm@1: #endif
rlm@1: #ifndef YY_NO_POP_STATE
rlm@1: static void yy_pop_state YY_PROTO(( void ));
rlm@1: #endif
rlm@1: #ifndef YY_NO_TOP_STATE
rlm@1: static int yy_top_state YY_PROTO(( void ));
rlm@1: #endif
rlm@1:
rlm@1: #else
rlm@1: #define YY_NO_PUSH_STATE 1
rlm@1: #define YY_NO_POP_STATE 1
rlm@1: #define YY_NO_TOP_STATE 1
rlm@1: #endif
rlm@1:
rlm@1: #ifdef YY_MALLOC_DECL
rlm@1: YY_MALLOC_DECL
rlm@1: #else
rlm@1: #if __STDC__
rlm@1: #ifndef __cplusplus
rlm@1: #include <stdlib.h>
rlm@1: #endif
rlm@1: #else
rlm@1: /* Just try to get by without declaring the routines. This will fail
rlm@1: * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
rlm@1: * or sizeof(void*) != sizeof(int).
rlm@1: */
rlm@1: #endif
rlm@1: #endif
rlm@1:
rlm@1: /* Amount of stuff to slurp up with each read. */
rlm@1: #ifndef YY_READ_BUF_SIZE
rlm@1: #define YY_READ_BUF_SIZE 8192
rlm@1: #endif
rlm@1:
rlm@1: /* Copy whatever the last rule matched to the standard output. */
rlm@1:
rlm@1: #ifndef ECHO
rlm@1: /* This used to be an fputs(), but since the string might contain NUL's,
rlm@1: * we now use fwrite().
rlm@1: */
rlm@1: #define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
rlm@1: #endif
rlm@1:
rlm@1: /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
rlm@1: * is returned in "result".
rlm@1: */
rlm@1: #ifndef YY_INPUT
rlm@1: #define YY_INPUT(buf,result,max_size) \
rlm@1: if ( yy_current_buffer->yy_is_interactive ) \
rlm@1: { \
rlm@1: int c = '*', n; \
rlm@1: for ( n = 0; n < max_size && \
rlm@1: (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
rlm@1: buf[n] = (char) c; \
rlm@1: if ( c == '\n' ) \
rlm@1: buf[n++] = (char) c; \
rlm@1: if ( c == EOF && ferror( yyin ) ) \
rlm@1: YY_FATAL_ERROR( "input in flex scanner failed" ); \
rlm@1: result = n; \
rlm@1: } \
rlm@1: else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \
rlm@1: && ferror( yyin ) ) \
rlm@1: YY_FATAL_ERROR( "input in flex scanner failed" );
rlm@1: #endif
rlm@1:
rlm@1: /* No semi-colon after return; correct usage is to write "yyterminate();" -
rlm@1: * we don't want an extra ';' after the "return" because that will cause
rlm@1: * some compilers to complain about unreachable statements.
rlm@1: */
rlm@1: #ifndef yyterminate
rlm@1: #define yyterminate() return YY_NULL
rlm@1: #endif
rlm@1:
rlm@1: /* Number of entries by which start-condition stack grows. */
rlm@1: #ifndef YY_START_STACK_INCR
rlm@1: #define YY_START_STACK_INCR 25
rlm@1: #endif
rlm@1:
rlm@1: /* Report a fatal error. */
rlm@1: #ifndef YY_FATAL_ERROR
rlm@1: #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
rlm@1: #endif
rlm@1:
rlm@1: /* Default declaration of generated scanner - a define so the user can
rlm@1: * easily add parameters.
rlm@1: */
rlm@1: #ifndef YY_DECL
rlm@1: #define YY_DECL int yylex YY_PROTO(( void ))
rlm@1: #endif
rlm@1:
rlm@1: /* Code executed at the beginning of each rule, after yytext and yyleng
rlm@1: * have been set up.
rlm@1: */
rlm@1: #ifndef YY_USER_ACTION
rlm@1: #define YY_USER_ACTION
rlm@1: #endif
rlm@1:
rlm@1: /* Code executed at the end of each rule. */
rlm@1: #ifndef YY_BREAK
rlm@1: #define YY_BREAK break;
rlm@1: #endif
rlm@1:
rlm@1: #define YY_RULE_SETUP \
rlm@1: YY_USER_ACTION
rlm@1:
rlm@1: YY_DECL
rlm@1: {
rlm@1: register yy_state_type yy_current_state;
rlm@1: register char *yy_cp = NULL, *yy_bp = NULL;
rlm@1: register int yy_act;
rlm@1:
rlm@1: #line 31 "expr.l"
rlm@1:
rlm@1:
rlm@1: #line 554 "expr-lex.cpp"
rlm@1:
rlm@1: if ( yy_init )
rlm@1: {
rlm@1: yy_init = 0;
rlm@1:
rlm@1: #ifdef YY_USER_INIT
rlm@1: YY_USER_INIT;
rlm@1: #endif
rlm@1:
rlm@1: if ( ! yy_start )
rlm@1: yy_start = 1; /* first start state */
rlm@1:
rlm@1: if ( ! yyin )
rlm@1: yyin = stdin;
rlm@1:
rlm@1: if ( ! yyout )
rlm@1: yyout = stdout;
rlm@1:
rlm@1: if ( ! yy_current_buffer )
rlm@1: yy_current_buffer =
rlm@1: yy_create_buffer( yyin, YY_BUF_SIZE );
rlm@1:
rlm@1: yy_load_buffer_state();
rlm@1: }
rlm@1:
rlm@1: while ( 1 ) /* loops until end-of-file is reached */
rlm@1: {
rlm@1: yy_cp = yy_c_buf_p;
rlm@1:
rlm@1: /* Support of yytext. */
rlm@1: *yy_cp = yy_hold_char;
rlm@1:
rlm@1: /* yy_bp points to the position in yy_ch_buf of the start of
rlm@1: * the current run.
rlm@1: */
rlm@1: yy_bp = yy_cp;
rlm@1:
rlm@1: yy_current_state = yy_start;
rlm@1: yy_match:
rlm@1: do
rlm@1: {
rlm@1: register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
rlm@1: if ( yy_accept[yy_current_state] )
rlm@1: {
rlm@1: yy_last_accepting_state = yy_current_state;
rlm@1: yy_last_accepting_cpos = yy_cp;
rlm@1: }
rlm@1: while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
rlm@1: {
rlm@1: yy_current_state = (int) yy_def[yy_current_state];
rlm@1: if ( yy_current_state >= 24 )
rlm@1: yy_c = yy_meta[(unsigned int) yy_c];
rlm@1: }
rlm@1: yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
rlm@1: ++yy_cp;
rlm@1: }
rlm@1: while ( yy_base[yy_current_state] != 33 );
rlm@1:
rlm@1: yy_find_action:
rlm@1: yy_act = yy_accept[yy_current_state];
rlm@1: if ( yy_act == 0 )
rlm@1: { /* have to back up */
rlm@1: yy_cp = yy_last_accepting_cpos;
rlm@1: yy_current_state = yy_last_accepting_state;
rlm@1: yy_act = yy_accept[yy_current_state];
rlm@1: }
rlm@1:
rlm@1: YY_DO_BEFORE_ACTION;
rlm@1:
rlm@1:
rlm@1: do_action: /* This label is used only to access EOF actions. */
rlm@1:
rlm@1:
rlm@1: switch ( yy_act )
rlm@1: { /* beginning of action switch */
rlm@1: case 0: /* must back up */
rlm@1: /* undo the effects of YY_DO_BEFORE_ACTION */
rlm@1: *yy_cp = yy_hold_char;
rlm@1: yy_cp = yy_last_accepting_cpos;
rlm@1: yy_current_state = yy_last_accepting_state;
rlm@1: goto yy_find_action;
rlm@1:
rlm@1: case 1:
rlm@1: YY_RULE_SETUP
rlm@1: #line 33 "expr.l"
rlm@1: {
rlm@1: return TOKEN_SIZEOF;
rlm@1: }
rlm@1: YY_BREAK
rlm@1: case 2:
rlm@1: YY_RULE_SETUP
rlm@1: #line 37 "expr.l"
rlm@1: {
rlm@1: return TOKEN_IDENTIFIER;
rlm@1: }
rlm@1: YY_BREAK
rlm@1: case 3:
rlm@1: YY_RULE_SETUP
rlm@1: #line 41 "expr.l"
rlm@1: {
rlm@1: return TOKEN_NUMBER;
rlm@1: }
rlm@1: YY_BREAK
rlm@1: case 4:
rlm@1: YY_RULE_SETUP
rlm@1: #line 45 "expr.l"
rlm@1: {
rlm@1: return TOKEN_DOT;
rlm@1: }
rlm@1: YY_BREAK
rlm@1: case 5:
rlm@1: YY_RULE_SETUP
rlm@1: #line 49 "expr.l"
rlm@1: {
rlm@1: return TOKEN_ARROW;
rlm@1: }
rlm@1: YY_BREAK
rlm@1: case 6:
rlm@1: YY_RULE_SETUP
rlm@1: #line 53 "expr.l"
rlm@1: {
rlm@1: return TOKEN_ADDR;
rlm@1: }
rlm@1: YY_BREAK
rlm@1: case 7:
rlm@1: YY_RULE_SETUP
rlm@1: #line 57 "expr.l"
rlm@1: {
rlm@1: return TOKEN_STAR;
rlm@1: }
rlm@1: YY_BREAK
rlm@1: case 8:
rlm@1: YY_RULE_SETUP
rlm@1: #line 61 "expr.l"
rlm@1:
rlm@1: YY_BREAK
rlm@1: case 9:
rlm@1: YY_RULE_SETUP
rlm@1: #line 63 "expr.l"
rlm@1: return *yytext;
rlm@1: YY_BREAK
rlm@1: case 10:
rlm@1: YY_RULE_SETUP
rlm@1: #line 65 "expr.l"
rlm@1: ECHO;
rlm@1: YY_BREAK
rlm@1: #line 701 "expr-lex.cpp"
rlm@1: case YY_STATE_EOF(INITIAL):
rlm@1: yyterminate();
rlm@1:
rlm@1: case YY_END_OF_BUFFER:
rlm@1: {
rlm@1: /* Amount of text matched not including the EOB char. */
rlm@1: int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
rlm@1:
rlm@1: /* Undo the effects of YY_DO_BEFORE_ACTION. */
rlm@1: *yy_cp = yy_hold_char;
rlm@1: YY_RESTORE_YY_MORE_OFFSET
rlm@1:
rlm@1: if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
rlm@1: {
rlm@1: /* We're scanning a new file or input source. It's
rlm@1: * possible that this happened because the user
rlm@1: * just pointed yyin at a new source and called
rlm@1: * yylex(). If so, then we have to assure
rlm@1: * consistency between yy_current_buffer and our
rlm@1: * globals. Here is the right place to do so, because
rlm@1: * this is the first action (other than possibly a
rlm@1: * back-up) that will match for the new input source.
rlm@1: */
rlm@1: yy_n_chars = yy_current_buffer->yy_n_chars;
rlm@1: yy_current_buffer->yy_input_file = yyin;
rlm@1: yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
rlm@1: }
rlm@1:
rlm@1: /* Note that here we test for yy_c_buf_p "<=" to the position
rlm@1: * of the first EOB in the buffer, since yy_c_buf_p will
rlm@1: * already have been incremented past the NUL character
rlm@1: * (since all states make transitions on EOB to the
rlm@1: * end-of-buffer state). Contrast this with the test
rlm@1: * in input().
rlm@1: */
rlm@1: if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
rlm@1: { /* This was really a NUL. */
rlm@1: yy_state_type yy_next_state;
rlm@1:
rlm@1: yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
rlm@1:
rlm@1: yy_current_state = yy_get_previous_state();
rlm@1:
rlm@1: /* Okay, we're now positioned to make the NUL
rlm@1: * transition. We couldn't have
rlm@1: * yy_get_previous_state() go ahead and do it
rlm@1: * for us because it doesn't know how to deal
rlm@1: * with the possibility of jamming (and we don't
rlm@1: * want to build jamming into it because then it
rlm@1: * will run more slowly).
rlm@1: */
rlm@1:
rlm@1: yy_next_state = yy_try_NUL_trans( yy_current_state );
rlm@1:
rlm@1: yy_bp = yytext_ptr + YY_MORE_ADJ;
rlm@1:
rlm@1: if ( yy_next_state )
rlm@1: {
rlm@1: /* Consume the NUL. */
rlm@1: yy_cp = ++yy_c_buf_p;
rlm@1: yy_current_state = yy_next_state;
rlm@1: goto yy_match;
rlm@1: }
rlm@1:
rlm@1: else
rlm@1: {
rlm@1: yy_cp = yy_c_buf_p;
rlm@1: goto yy_find_action;
rlm@1: }
rlm@1: }
rlm@1:
rlm@1: else switch ( yy_get_next_buffer() )
rlm@1: {
rlm@1: case EOB_ACT_END_OF_FILE:
rlm@1: {
rlm@1: yy_did_buffer_switch_on_eof = 0;
rlm@1:
rlm@1: if ( yywrap() )
rlm@1: {
rlm@1: /* Note: because we've taken care in
rlm@1: * yy_get_next_buffer() to have set up
rlm@1: * yytext, we can now set up
rlm@1: * yy_c_buf_p so that if some total
rlm@1: * hoser (like flex itself) wants to
rlm@1: * call the scanner after we return the
rlm@1: * YY_NULL, it'll still work - another
rlm@1: * YY_NULL will get returned.
rlm@1: */
rlm@1: yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
rlm@1:
rlm@1: yy_act = YY_STATE_EOF(YY_START);
rlm@1: goto do_action;
rlm@1: }
rlm@1:
rlm@1: else
rlm@1: {
rlm@1: if ( ! yy_did_buffer_switch_on_eof )
rlm@1: YY_NEW_FILE;
rlm@1: }
rlm@1: break;
rlm@1: }
rlm@1:
rlm@1: case EOB_ACT_CONTINUE_SCAN:
rlm@1: yy_c_buf_p =
rlm@1: yytext_ptr + yy_amount_of_matched_text;
rlm@1:
rlm@1: yy_current_state = yy_get_previous_state();
rlm@1:
rlm@1: yy_cp = yy_c_buf_p;
rlm@1: yy_bp = yytext_ptr + YY_MORE_ADJ;
rlm@1: goto yy_match;
rlm@1:
rlm@1: case EOB_ACT_LAST_MATCH:
rlm@1: yy_c_buf_p =
rlm@1: &yy_current_buffer->yy_ch_buf[yy_n_chars];
rlm@1:
rlm@1: yy_current_state = yy_get_previous_state();
rlm@1:
rlm@1: yy_cp = yy_c_buf_p;
rlm@1: yy_bp = yytext_ptr + YY_MORE_ADJ;
rlm@1: goto yy_find_action;
rlm@1: }
rlm@1: break;
rlm@1: }
rlm@1:
rlm@1: default:
rlm@1: YY_FATAL_ERROR(
rlm@1: "fatal flex scanner internal error--no action found" );
rlm@1: } /* end of action switch */
rlm@1: } /* end of scanning one token */
rlm@1: } /* end of yylex */
rlm@1:
rlm@1:
rlm@1: /* yy_get_next_buffer - try to read in a new buffer
rlm@1: *
rlm@1: * Returns a code representing an action:
rlm@1: * EOB_ACT_LAST_MATCH -
rlm@1: * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
rlm@1: * EOB_ACT_END_OF_FILE - end of file
rlm@1: */
rlm@1:
rlm@1: static int yy_get_next_buffer()
rlm@1: {
rlm@1: register char *dest = yy_current_buffer->yy_ch_buf;
rlm@1: register char *source = yytext_ptr;
rlm@1: register int number_to_move, i;
rlm@1: int ret_val;
rlm@1:
rlm@1: if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
rlm@1: YY_FATAL_ERROR(
rlm@1: "fatal flex scanner internal error--end of buffer missed" );
rlm@1:
rlm@1: if ( yy_current_buffer->yy_fill_buffer == 0 )
rlm@1: { /* Don't try to fill the buffer, so this is an EOF. */
rlm@1: if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )
rlm@1: {
rlm@1: /* We matched a single character, the EOB, so
rlm@1: * treat this as a final EOF.
rlm@1: */
rlm@1: return EOB_ACT_END_OF_FILE;
rlm@1: }
rlm@1:
rlm@1: else
rlm@1: {
rlm@1: /* We matched some text prior to the EOB, first
rlm@1: * process it.
rlm@1: */
rlm@1: return EOB_ACT_LAST_MATCH;
rlm@1: }
rlm@1: }
rlm@1:
rlm@1: /* Try to read more data. */
rlm@1:
rlm@1: /* First move last chars to start of buffer. */
rlm@1: number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
rlm@1:
rlm@1: for ( i = 0; i < number_to_move; ++i )
rlm@1: *(dest++) = *(source++);
rlm@1:
rlm@1: if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
rlm@1: /* don't do the read, it's not guaranteed to return an EOF,
rlm@1: * just force an EOF
rlm@1: */
rlm@1: yy_current_buffer->yy_n_chars = yy_n_chars = 0;
rlm@1:
rlm@1: else
rlm@1: {
rlm@1: int num_to_read =
rlm@1: yy_current_buffer->yy_buf_size - number_to_move - 1;
rlm@1:
rlm@1: while ( num_to_read <= 0 )
rlm@1: { /* Not enough room in the buffer - grow it. */
rlm@1: #ifdef YY_USES_REJECT
rlm@1: YY_FATAL_ERROR(
rlm@1: "input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
rlm@1: #else
rlm@1:
rlm@1: /* just a shorter name for the current buffer */
rlm@1: YY_BUFFER_STATE b = yy_current_buffer;
rlm@1:
rlm@1: int yy_c_buf_p_offset =
rlm@1: (int) (yy_c_buf_p - b->yy_ch_buf);
rlm@1:
rlm@1: if ( b->yy_is_our_buffer )
rlm@1: {
rlm@1: int new_size = b->yy_buf_size * 2;
rlm@1:
rlm@1: if ( new_size <= 0 )
rlm@1: b->yy_buf_size += b->yy_buf_size / 8;
rlm@1: else
rlm@1: b->yy_buf_size *= 2;
rlm@1:
rlm@1: b->yy_ch_buf = (char *)
rlm@1: /* Include room in for 2 EOB chars. */
rlm@1: yy_flex_realloc( (void *) b->yy_ch_buf,
rlm@1: b->yy_buf_size + 2 );
rlm@1: }
rlm@1: else
rlm@1: /* Can't grow it, we don't own it. */
rlm@1: b->yy_ch_buf = 0;
rlm@1:
rlm@1: if ( ! b->yy_ch_buf )
rlm@1: YY_FATAL_ERROR(
rlm@1: "fatal error - scanner input buffer overflow" );
rlm@1:
rlm@1: yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
rlm@1:
rlm@1: num_to_read = yy_current_buffer->yy_buf_size -
rlm@1: number_to_move - 1;
rlm@1: #endif
rlm@1: }
rlm@1:
rlm@1: if ( num_to_read > YY_READ_BUF_SIZE )
rlm@1: num_to_read = YY_READ_BUF_SIZE;
rlm@1:
rlm@1: /* Read in more data. */
rlm@1: YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
rlm@1: yy_n_chars, num_to_read );
rlm@1:
rlm@1: yy_current_buffer->yy_n_chars = yy_n_chars;
rlm@1: }
rlm@1:
rlm@1: if ( yy_n_chars == 0 )
rlm@1: {
rlm@1: if ( number_to_move == YY_MORE_ADJ )
rlm@1: {
rlm@1: ret_val = EOB_ACT_END_OF_FILE;
rlm@1: yyrestart( yyin );
rlm@1: }
rlm@1:
rlm@1: else
rlm@1: {
rlm@1: ret_val = EOB_ACT_LAST_MATCH;
rlm@1: yy_current_buffer->yy_buffer_status =
rlm@1: YY_BUFFER_EOF_PENDING;
rlm@1: }
rlm@1: }
rlm@1:
rlm@1: else
rlm@1: ret_val = EOB_ACT_CONTINUE_SCAN;
rlm@1:
rlm@1: yy_n_chars += number_to_move;
rlm@1: yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
rlm@1: yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
rlm@1:
rlm@1: yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
rlm@1:
rlm@1: return ret_val;
rlm@1: }
rlm@1:
rlm@1:
rlm@1: /* yy_get_previous_state - get the state just before the EOB char was reached */
rlm@1:
rlm@1: static yy_state_type yy_get_previous_state()
rlm@1: {
rlm@1: register yy_state_type yy_current_state;
rlm@1: register char *yy_cp;
rlm@1:
rlm@1: yy_current_state = yy_start;
rlm@1:
rlm@1: for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
rlm@1: {
rlm@1: register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
rlm@1: if ( yy_accept[yy_current_state] )
rlm@1: {
rlm@1: yy_last_accepting_state = yy_current_state;
rlm@1: yy_last_accepting_cpos = yy_cp;
rlm@1: }
rlm@1: while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
rlm@1: {
rlm@1: yy_current_state = (int) yy_def[yy_current_state];
rlm@1: if ( yy_current_state >= 24 )
rlm@1: yy_c = yy_meta[(unsigned int) yy_c];
rlm@1: }
rlm@1: yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
rlm@1: }
rlm@1:
rlm@1: return yy_current_state;
rlm@1: }
rlm@1:
rlm@1:
rlm@1: /* yy_try_NUL_trans - try to make a transition on the NUL character
rlm@1: *
rlm@1: * synopsis
rlm@1: * next_state = yy_try_NUL_trans( current_state );
rlm@1: */
rlm@1:
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
rlm@1: #else
rlm@1: static yy_state_type yy_try_NUL_trans( yy_current_state )
rlm@1: yy_state_type yy_current_state;
rlm@1: #endif
rlm@1: {
rlm@1: register int yy_is_jam;
rlm@1: register char *yy_cp = yy_c_buf_p;
rlm@1:
rlm@1: register YY_CHAR yy_c = 1;
rlm@1: if ( yy_accept[yy_current_state] )
rlm@1: {
rlm@1: yy_last_accepting_state = yy_current_state;
rlm@1: yy_last_accepting_cpos = yy_cp;
rlm@1: }
rlm@1: while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
rlm@1: {
rlm@1: yy_current_state = (int) yy_def[yy_current_state];
rlm@1: if ( yy_current_state >= 24 )
rlm@1: yy_c = yy_meta[(unsigned int) yy_c];
rlm@1: }
rlm@1: yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
rlm@1: yy_is_jam = (yy_current_state == 23);
rlm@1:
rlm@1: return yy_is_jam ? 0 : yy_current_state;
rlm@1: }
rlm@1:
rlm@1:
rlm@1: #ifndef YY_NO_UNPUT
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: static void yyunput( int c, register char *yy_bp )
rlm@1: #else
rlm@1: static void yyunput( c, yy_bp )
rlm@1: int c;
rlm@1: register char *yy_bp;
rlm@1: #endif
rlm@1: {
rlm@1: register char *yy_cp = yy_c_buf_p;
rlm@1:
rlm@1: /* undo effects of setting up yytext */
rlm@1: *yy_cp = yy_hold_char;
rlm@1:
rlm@1: if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
rlm@1: { /* need to shift things up to make room */
rlm@1: /* +2 for EOB chars. */
rlm@1: register int number_to_move = yy_n_chars + 2;
rlm@1: register char *dest = &yy_current_buffer->yy_ch_buf[
rlm@1: yy_current_buffer->yy_buf_size + 2];
rlm@1: register char *source =
rlm@1: &yy_current_buffer->yy_ch_buf[number_to_move];
rlm@1:
rlm@1: while ( source > yy_current_buffer->yy_ch_buf )
rlm@1: *--dest = *--source;
rlm@1:
rlm@1: yy_cp += (int) (dest - source);
rlm@1: yy_bp += (int) (dest - source);
rlm@1: yy_current_buffer->yy_n_chars =
rlm@1: yy_n_chars = yy_current_buffer->yy_buf_size;
rlm@1:
rlm@1: if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
rlm@1: YY_FATAL_ERROR( "flex scanner push-back overflow" );
rlm@1: }
rlm@1:
rlm@1: *--yy_cp = (char) c;
rlm@1:
rlm@1:
rlm@1: yytext_ptr = yy_bp;
rlm@1: yy_hold_char = *yy_cp;
rlm@1: yy_c_buf_p = yy_cp;
rlm@1: }
rlm@1: #endif /* ifndef YY_NO_UNPUT */
rlm@1:
rlm@1:
rlm@1: #ifdef __cplusplus
rlm@1: static int yyinput()
rlm@1: #else
rlm@1: static int input()
rlm@1: #endif
rlm@1: {
rlm@1: int c;
rlm@1:
rlm@1: *yy_c_buf_p = yy_hold_char;
rlm@1:
rlm@1: if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
rlm@1: {
rlm@1: /* yy_c_buf_p now points to the character we want to return.
rlm@1: * If this occurs *before* the EOB characters, then it's a
rlm@1: * valid NUL; if not, then we've hit the end of the buffer.
rlm@1: */
rlm@1: if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
rlm@1: /* This was really a NUL. */
rlm@1: *yy_c_buf_p = '\0';
rlm@1:
rlm@1: else
rlm@1: { /* need more input */
rlm@1: int offset = yy_c_buf_p - yytext_ptr;
rlm@1: ++yy_c_buf_p;
rlm@1:
rlm@1: switch ( yy_get_next_buffer() )
rlm@1: {
rlm@1: case EOB_ACT_LAST_MATCH:
rlm@1: /* This happens because yy_g_n_b()
rlm@1: * sees that we've accumulated a
rlm@1: * token and flags that we need to
rlm@1: * try matching the token before
rlm@1: * proceeding. But for input(),
rlm@1: * there's no matching to consider.
rlm@1: * So convert the EOB_ACT_LAST_MATCH
rlm@1: * to EOB_ACT_END_OF_FILE.
rlm@1: */
rlm@1:
rlm@1: /* Reset buffer status. */
rlm@1: yyrestart( yyin );
rlm@1:
rlm@1: /* fall through */
rlm@1:
rlm@1: case EOB_ACT_END_OF_FILE:
rlm@1: {
rlm@1: if ( yywrap() )
rlm@1: return EOF;
rlm@1:
rlm@1: if ( ! yy_did_buffer_switch_on_eof )
rlm@1: YY_NEW_FILE;
rlm@1: #ifdef __cplusplus
rlm@1: return yyinput();
rlm@1: #else
rlm@1: return input();
rlm@1: #endif
rlm@1: }
rlm@1:
rlm@1: case EOB_ACT_CONTINUE_SCAN:
rlm@1: yy_c_buf_p = yytext_ptr + offset;
rlm@1: break;
rlm@1: }
rlm@1: }
rlm@1: }
rlm@1:
rlm@1: c = *(unsigned char *) yy_c_buf_p; /* cast for 8-bit char's */
rlm@1: *yy_c_buf_p = '\0'; /* preserve yytext */
rlm@1: yy_hold_char = *++yy_c_buf_p;
rlm@1:
rlm@1:
rlm@1: return c;
rlm@1: }
rlm@1:
rlm@1:
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: void yyrestart( FILE *input_file )
rlm@1: #else
rlm@1: void yyrestart( input_file )
rlm@1: FILE *input_file;
rlm@1: #endif
rlm@1: {
rlm@1: if ( ! yy_current_buffer )
rlm@1: yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
rlm@1:
rlm@1: yy_init_buffer( yy_current_buffer, input_file );
rlm@1: yy_load_buffer_state();
rlm@1: }
rlm@1:
rlm@1:
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
rlm@1: #else
rlm@1: void yy_switch_to_buffer( new_buffer )
rlm@1: YY_BUFFER_STATE new_buffer;
rlm@1: #endif
rlm@1: {
rlm@1: if ( yy_current_buffer == new_buffer )
rlm@1: return;
rlm@1:
rlm@1: if ( yy_current_buffer )
rlm@1: {
rlm@1: /* Flush out information for old buffer. */
rlm@1: *yy_c_buf_p = yy_hold_char;
rlm@1: yy_current_buffer->yy_buf_pos = yy_c_buf_p;
rlm@1: yy_current_buffer->yy_n_chars = yy_n_chars;
rlm@1: }
rlm@1:
rlm@1: yy_current_buffer = new_buffer;
rlm@1: yy_load_buffer_state();
rlm@1:
rlm@1: /* We don't actually know whether we did this switch during
rlm@1: * EOF (yywrap()) processing, but the only time this flag
rlm@1: * is looked at is after yywrap() is called, so it's safe
rlm@1: * to go ahead and always set it.
rlm@1: */
rlm@1: yy_did_buffer_switch_on_eof = 1;
rlm@1: }
rlm@1:
rlm@1:
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: void yy_load_buffer_state( void )
rlm@1: #else
rlm@1: void yy_load_buffer_state()
rlm@1: #endif
rlm@1: {
rlm@1: yy_n_chars = yy_current_buffer->yy_n_chars;
rlm@1: yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
rlm@1: yyin = yy_current_buffer->yy_input_file;
rlm@1: yy_hold_char = *yy_c_buf_p;
rlm@1: }
rlm@1:
rlm@1:
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
rlm@1: #else
rlm@1: YY_BUFFER_STATE yy_create_buffer( file, size )
rlm@1: FILE *file;
rlm@1: int size;
rlm@1: #endif
rlm@1: {
rlm@1: YY_BUFFER_STATE b;
rlm@1:
rlm@1: b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
rlm@1: if ( ! b )
rlm@1: YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
rlm@1:
rlm@1: b->yy_buf_size = size;
rlm@1:
rlm@1: /* yy_ch_buf has to be 2 characters longer than the size given because
rlm@1: * we need to put in 2 end-of-buffer characters.
rlm@1: */
rlm@1: b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
rlm@1: if ( ! b->yy_ch_buf )
rlm@1: YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
rlm@1:
rlm@1: b->yy_is_our_buffer = 1;
rlm@1:
rlm@1: yy_init_buffer( b, file );
rlm@1:
rlm@1: return b;
rlm@1: }
rlm@1:
rlm@1:
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: void yy_delete_buffer( YY_BUFFER_STATE b )
rlm@1: #else
rlm@1: void yy_delete_buffer( b )
rlm@1: YY_BUFFER_STATE b;
rlm@1: #endif
rlm@1: {
rlm@1: if ( ! b )
rlm@1: return;
rlm@1:
rlm@1: if ( b == yy_current_buffer )
rlm@1: yy_current_buffer = (YY_BUFFER_STATE) 0;
rlm@1:
rlm@1: if ( b->yy_is_our_buffer )
rlm@1: yy_flex_free( (void *) b->yy_ch_buf );
rlm@1:
rlm@1: yy_flex_free( (void *) b );
rlm@1: }
rlm@1:
rlm@1:
rlm@1:
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
rlm@1: #else
rlm@1: void yy_init_buffer( b, file )
rlm@1: YY_BUFFER_STATE b;
rlm@1: FILE *file;
rlm@1: #endif
rlm@1:
rlm@1:
rlm@1: {
rlm@1: yy_flush_buffer( b );
rlm@1:
rlm@1: b->yy_input_file = file;
rlm@1: b->yy_fill_buffer = 1;
rlm@1:
rlm@1: #if YY_ALWAYS_INTERACTIVE
rlm@1: b->yy_is_interactive = 1;
rlm@1: #else
rlm@1: #if YY_NEVER_INTERACTIVE
rlm@1: b->yy_is_interactive = 0;
rlm@1: #else
rlm@1: b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
rlm@1: #endif
rlm@1: #endif
rlm@1: }
rlm@1:
rlm@1:
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: void yy_flush_buffer( YY_BUFFER_STATE b )
rlm@1: #else
rlm@1: void yy_flush_buffer( b )
rlm@1: YY_BUFFER_STATE b;
rlm@1: #endif
rlm@1:
rlm@1: {
rlm@1: if ( ! b )
rlm@1: return;
rlm@1:
rlm@1: b->yy_n_chars = 0;
rlm@1:
rlm@1: /* We always need two end-of-buffer characters. The first causes
rlm@1: * a transition to the end-of-buffer state. The second causes
rlm@1: * a jam in that state.
rlm@1: */
rlm@1: b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
rlm@1: b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
rlm@1:
rlm@1: b->yy_buf_pos = &b->yy_ch_buf[0];
rlm@1:
rlm@1: b->yy_at_bol = 1;
rlm@1: b->yy_buffer_status = YY_BUFFER_NEW;
rlm@1:
rlm@1: if ( b == yy_current_buffer )
rlm@1: yy_load_buffer_state();
rlm@1: }
rlm@1:
rlm@1:
rlm@1: #ifndef YY_NO_SCAN_BUFFER
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
rlm@1: #else
rlm@1: YY_BUFFER_STATE yy_scan_buffer( base, size )
rlm@1: char *base;
rlm@1: yy_size_t size;
rlm@1: #endif
rlm@1: {
rlm@1: YY_BUFFER_STATE b;
rlm@1:
rlm@1: if ( size < 2 ||
rlm@1: base[size-2] != YY_END_OF_BUFFER_CHAR ||
rlm@1: base[size-1] != YY_END_OF_BUFFER_CHAR )
rlm@1: /* They forgot to leave room for the EOB's. */
rlm@1: return 0;
rlm@1:
rlm@1: b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
rlm@1: if ( ! b )
rlm@1: YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
rlm@1:
rlm@1: b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
rlm@1: b->yy_buf_pos = b->yy_ch_buf = base;
rlm@1: b->yy_is_our_buffer = 0;
rlm@1: b->yy_input_file = 0;
rlm@1: b->yy_n_chars = b->yy_buf_size;
rlm@1: b->yy_is_interactive = 0;
rlm@1: b->yy_at_bol = 1;
rlm@1: b->yy_fill_buffer = 0;
rlm@1: b->yy_buffer_status = YY_BUFFER_NEW;
rlm@1:
rlm@1: yy_switch_to_buffer( b );
rlm@1:
rlm@1: return b;
rlm@1: }
rlm@1: #endif
rlm@1:
rlm@1:
rlm@1: #ifndef YY_NO_SCAN_STRING
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
rlm@1: #else
rlm@1: YY_BUFFER_STATE yy_scan_string( yy_str )
rlm@1: yyconst char *yy_str;
rlm@1: #endif
rlm@1: {
rlm@1: int len;
rlm@1: for ( len = 0; yy_str[len]; ++len )
rlm@1: ;
rlm@1:
rlm@1: return yy_scan_bytes( yy_str, len );
rlm@1: }
rlm@1: #endif
rlm@1:
rlm@1:
rlm@1: #ifndef YY_NO_SCAN_BYTES
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
rlm@1: #else
rlm@1: YY_BUFFER_STATE yy_scan_bytes( bytes, len )
rlm@1: yyconst char *bytes;
rlm@1: int len;
rlm@1: #endif
rlm@1: {
rlm@1: YY_BUFFER_STATE b;
rlm@1: char *buf;
rlm@1: yy_size_t n;
rlm@1: int i;
rlm@1:
rlm@1: /* Get memory for full buffer, including space for trailing EOB's. */
rlm@1: n = len + 2;
rlm@1: buf = (char *) yy_flex_alloc( n );
rlm@1: if ( ! buf )
rlm@1: YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
rlm@1:
rlm@1: for ( i = 0; i < len; ++i )
rlm@1: buf[i] = bytes[i];
rlm@1:
rlm@1: buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
rlm@1:
rlm@1: b = yy_scan_buffer( buf, n );
rlm@1: if ( ! b )
rlm@1: YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
rlm@1:
rlm@1: /* It's okay to grow etc. this buffer, and we should throw it
rlm@1: * away when we're done.
rlm@1: */
rlm@1: b->yy_is_our_buffer = 1;
rlm@1:
rlm@1: return b;
rlm@1: }
rlm@1: #endif
rlm@1:
rlm@1:
rlm@1: #ifndef YY_NO_PUSH_STATE
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: static void yy_push_state( int new_state )
rlm@1: #else
rlm@1: static void yy_push_state( new_state )
rlm@1: int new_state;
rlm@1: #endif
rlm@1: {
rlm@1: if ( yy_start_stack_ptr >= yy_start_stack_depth )
rlm@1: {
rlm@1: yy_size_t new_size;
rlm@1:
rlm@1: yy_start_stack_depth += YY_START_STACK_INCR;
rlm@1: new_size = yy_start_stack_depth * sizeof( int );
rlm@1:
rlm@1: if ( ! yy_start_stack )
rlm@1: yy_start_stack = (int *) yy_flex_alloc( new_size );
rlm@1:
rlm@1: else
rlm@1: yy_start_stack = (int *) yy_flex_realloc(
rlm@1: (void *) yy_start_stack, new_size );
rlm@1:
rlm@1: if ( ! yy_start_stack )
rlm@1: YY_FATAL_ERROR(
rlm@1: "out of memory expanding start-condition stack" );
rlm@1: }
rlm@1:
rlm@1: yy_start_stack[yy_start_stack_ptr++] = YY_START;
rlm@1:
rlm@1: BEGIN(new_state);
rlm@1: }
rlm@1: #endif
rlm@1:
rlm@1:
rlm@1: #ifndef YY_NO_POP_STATE
rlm@1: static void yy_pop_state()
rlm@1: {
rlm@1: if ( --yy_start_stack_ptr < 0 )
rlm@1: YY_FATAL_ERROR( "start-condition stack underflow" );
rlm@1:
rlm@1: BEGIN(yy_start_stack[yy_start_stack_ptr]);
rlm@1: }
rlm@1: #endif
rlm@1:
rlm@1:
rlm@1: #ifndef YY_NO_TOP_STATE
rlm@1: static int yy_top_state()
rlm@1: {
rlm@1: return yy_start_stack[yy_start_stack_ptr - 1];
rlm@1: }
rlm@1: #endif
rlm@1:
rlm@1: #ifndef YY_EXIT_FAILURE
rlm@1: #define YY_EXIT_FAILURE 2
rlm@1: #endif
rlm@1:
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: static void yy_fatal_error( yyconst char msg[] )
rlm@1: #else
rlm@1: static void yy_fatal_error( msg )
rlm@1: char msg[];
rlm@1: #endif
rlm@1: {
rlm@1: (void) fprintf( stderr, "%s\n", msg );
rlm@1: exit( YY_EXIT_FAILURE );
rlm@1: }
rlm@1:
rlm@1:
rlm@1:
rlm@1: /* Redefine yyless() so it works in section 3 code. */
rlm@1:
rlm@1: #undef yyless
rlm@1: #define yyless(n) \
rlm@1: do \
rlm@1: { \
rlm@1: /* Undo effects of setting up yytext. */ \
rlm@1: yytext[yyleng] = yy_hold_char; \
rlm@1: yy_c_buf_p = yytext + n; \
rlm@1: yy_hold_char = *yy_c_buf_p; \
rlm@1: *yy_c_buf_p = '\0'; \
rlm@1: yyleng = n; \
rlm@1: } \
rlm@1: while ( 0 )
rlm@1:
rlm@1:
rlm@1: /* Internal utility routines. */
rlm@1:
rlm@1: #ifndef yytext_ptr
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
rlm@1: #else
rlm@1: static void yy_flex_strncpy( s1, s2, n )
rlm@1: char *s1;
rlm@1: yyconst char *s2;
rlm@1: int n;
rlm@1: #endif
rlm@1: {
rlm@1: register int i;
rlm@1: for ( i = 0; i < n; ++i )
rlm@1: s1[i] = s2[i];
rlm@1: }
rlm@1: #endif
rlm@1:
rlm@1: #ifdef YY_NEED_STRLEN
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: static int yy_flex_strlen( yyconst char *s )
rlm@1: #else
rlm@1: static int yy_flex_strlen( s )
rlm@1: yyconst char *s;
rlm@1: #endif
rlm@1: {
rlm@1: register int n;
rlm@1: for ( n = 0; s[n]; ++n )
rlm@1: ;
rlm@1:
rlm@1: return n;
rlm@1: }
rlm@1: #endif
rlm@1:
rlm@1:
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: static void *yy_flex_alloc( yy_size_t size )
rlm@1: #else
rlm@1: static void *yy_flex_alloc( size )
rlm@1: yy_size_t size;
rlm@1: #endif
rlm@1: {
rlm@1: return (void *) malloc( size );
rlm@1: }
rlm@1:
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: static void *yy_flex_realloc( void *ptr, yy_size_t size )
rlm@1: #else
rlm@1: static void *yy_flex_realloc( ptr, size )
rlm@1: void *ptr;
rlm@1: yy_size_t size;
rlm@1: #endif
rlm@1: {
rlm@1: /* The cast to (char *) in the following accommodates both
rlm@1: * implementations that use char* generic pointers, and those
rlm@1: * that use void* generic pointers. It works with the latter
rlm@1: * because both ANSI C and C++ allow castless assignment from
rlm@1: * any pointer type to void*, and deal with argument conversions
rlm@1: * as though doing an assignment.
rlm@1: */
rlm@1: return (void *) realloc( (char *) ptr, size );
rlm@1: }
rlm@1:
rlm@1: #ifdef YY_USE_PROTOS
rlm@1: static void yy_flex_free( void *ptr )
rlm@1: #else
rlm@1: static void yy_flex_free( ptr )
rlm@1: void *ptr;
rlm@1: #endif
rlm@1: {
rlm@1: free( ptr );
rlm@1: }
rlm@1:
rlm@1: #if YY_MAIN
rlm@1: int main()
rlm@1: {
rlm@1: yylex();
rlm@1: return 0;
rlm@1: }
rlm@1: #endif
rlm@1: #line 65 "expr.l"
rlm@1:
rlm@1:
rlm@1: void exprCleanBuffer()
rlm@1: {
rlm@1: yy_delete_buffer(yy_current_buffer);
rlm@1: yy_init = 1;
rlm@1: }