calclex.c
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上传日期:2022-08-06
资源大小:2570k
文件大小:40k
- /* A lexical scanner generated by flex */
- /* Scanner skeleton version:
- * $Header: /home/daffy/u0/vern/flex/RCS/flex.skl,v 2.91 96/09/10 16:58:48 vern Exp $
- * $FreeBSD: src/usr.bin/lex/flex.skl,v 1.8.26.1 2008/11/25 02:59:29 kensmith Exp $
- */
- #if defined(__FreeBSD__)
- #include <sys/cdefs.h>
- #else
- #define __unused
- #endif
- #define FLEX_SCANNER
- #define YY_FLEX_MAJOR_VERSION 2
- #define YY_FLEX_MINOR_VERSION 5
- #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>
- #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 */
- #if __STDC__
- #define YY_USE_PROTOS
- #define YY_USE_CONST
- #endif /* __STDC__ */
- #endif /* ! __cplusplus */
- #ifdef __TURBOC__
- #pragma warn -rch
- #pragma warn -use
- #include <io.h>
- #include <stdlib.h>
- #define YY_USE_CONST
- #define YY_USE_PROTOS
- #endif
- #ifdef YY_USE_CONST
- #define yyconst const
- #else
- #define yyconst
- #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. The YYSTATE alias is for lex
- * compatibility.
- */
- #define YY_START ((yy_start - 1) / 2)
- #define YYSTATE YY_START
- /* Action number for EOF rule of a given start state. */
- #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
- /* Special action meaning "start processing a new file". */
- #define YY_NEW_FILE 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;
- #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_RESTORE_YY_MORE_OFFSET
- 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 )
- /* The following is because we cannot portably get our hands on size_t
- * (without autoconf's help, which isn't available because we want
- * flex-generated scanners to compile on their own).
- */
- typedef unsigned int yy_size_t;
- struct yy_buffer_state
- {
- FILE *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.
- */
- yy_size_t yy_buf_size;
- /* Number of characters read into yy_ch_buf, not including EOB
- * characters.
- */
- int yy_n_chars;
- /* Whether we "own" the buffer - i.e., we know we created it,
- * and can realloc() it to grow it, and should free() it to
- * delete it.
- */
- int yy_is_our_buffer;
- /* Whether this is an "interactive" input source; if so, and
- * if we're using stdio for input, then we want to use getc()
- * instead of fread(), to make sure we stop fetching input after
- * each newline.
- */
- int yy_is_interactive;
- /* Whether we're considered to be at the beginning of a line.
- * If so, '^' rules will be active on the next match, otherwise
- * not.
- */
- int yy_at_bol;
- /* Whether to try to fill the input buffer when we reach the
- * end of it.
- */
- int yy_fill_buffer;
- int yy_buffer_status;
- #define YY_BUFFER_NEW 0
- #define YY_BUFFER_NORMAL 1
- /* When an EOF's been seen but there's still some text to process
- * then we mark the buffer as YY_EOF_PENDING, to indicate that we
- * shouldn't try reading from the input source any more. We might
- * still have a bunch of tokens to match, though, because of
- * possible backing-up.
- *
- * When we actually see the EOF, we change the status to "new"
- * (via yyrestart()), so that the user can continue scanning by
- * just pointing yyin at a new input file.
- */
- #define YY_BUFFER_EOF_PENDING 2
- };
- 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
- /* 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;
- 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 ));
- void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
- #define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
- YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
- YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
- YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
- static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
- static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t )) __unused;
- static void yy_flex_free YY_PROTO(( void * ));
- #define yy_new_buffer yy_create_buffer
- #define yy_set_interactive(is_interactive)
- {
- if ( ! yy_current_buffer )
- yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
- yy_current_buffer->yy_is_interactive = is_interactive;
- }
- #define yy_set_bol(at_bol)
- {
- if ( ! yy_current_buffer )
- yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
- yy_current_buffer->yy_at_bol = at_bol;
- }
- #define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
- typedef unsigned char YY_CHAR;
- FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
- typedef int yy_state_type;
- extern char *yytext;
- #define yytext_ptr yytext
- 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(( yyconst 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;
- yyleng = (int) (yy_cp - yy_bp);
- yy_hold_char = *yy_cp;
- *yy_cp = ' ';
- yy_c_buf_p = yy_cp;
- #define YY_NUM_RULES 19
- #define YY_END_OF_BUFFER 20
- static yyconst short int yy_accept[39] =
- { 0,
- 0, 0, 20, 18, 1, 2, 7, 6, 7, 18,
- 16, 16, 2, 7, 7, 7, 16, 17, 18, 18,
- 11, 6, 5, 6, 14, 16, 0, 12, 8, 10,
- 9, 13, 16, 17, 3, 15, 4, 0
- } ;
- static yyconst int yy_ec[256] =
- { 0,
- 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
- 1, 2, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 2, 4, 1, 5, 1, 6, 7, 1, 6,
- 6, 6, 6, 6, 6, 1, 6, 8, 9, 9,
- 9, 9, 9, 9, 9, 9, 9, 1, 10, 11,
- 12, 13, 1, 1, 14, 14, 14, 14, 14, 14,
- 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
- 15, 15, 15, 15, 15, 15, 15, 16, 15, 15,
- 1, 17, 1, 6, 1, 1, 15, 15, 15, 15,
- 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
- 15, 15, 15, 15, 15, 15, 15, 15, 15, 16,
- 15, 15, 1, 18, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1
- } ;
- static yyconst int yy_meta[19] =
- { 0,
- 1, 1, 1, 1, 1, 1, 1, 2, 2, 1,
- 1, 1, 1, 2, 3, 2, 1, 1
- } ;
- static yyconst short int yy_base[43] =
- { 0,
- 0, 0, 39, 49, 49, 49, 26, 16, 49, 30,
- 20, 19, 49, 9, 22, 10, 9, 0, 29, 13,
- 49, 23, 49, 24, 49, 0, 0, 49, 49, 49,
- 49, 49, 13, 0, 49, 49, 49, 49, 41, 28,
- 43, 45
- } ;
- static yyconst short int yy_def[43] =
- { 0,
- 38, 1, 38, 38, 38, 38, 38, 39, 38, 38,
- 40, 40, 38, 38, 38, 38, 41, 42, 38, 38,
- 38, 39, 38, 39, 38, 12, 12, 38, 38, 38,
- 38, 38, 41, 42, 38, 38, 38, 0, 38, 38,
- 38, 38
- } ;
- static yyconst short int yy_nxt[68] =
- { 0,
- 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
- 14, 15, 16, 17, 18, 18, 19, 20, 23, 28,
- 29, 31, 32, 34, 34, 23, 37, 34, 34, 26,
- 36, 35, 24, 30, 38, 27, 25, 21, 38, 24,
- 24, 22, 22, 22, 33, 33, 34, 34, 3, 38,
- 38, 38, 38, 38, 38, 38, 38, 38, 38, 38,
- 38, 38, 38, 38, 38, 38, 38
- } ;
- static yyconst short int yy_chk[68] =
- { 0,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 8, 14,
- 14, 16, 16, 17, 17, 22, 24, 33, 33, 40,
- 20, 19, 8, 15, 12, 11, 10, 7, 3, 22,
- 24, 39, 39, 39, 41, 41, 42, 42, 38, 38,
- 38, 38, 38, 38, 38, 38, 38, 38, 38, 38,
- 38, 38, 38, 38, 38, 38, 38
- } ;
- static yy_state_type yy_last_accepting_state;
- static char *yy_last_accepting_cpos;
- /* The intent behind this definition is that it'll catch
- * any uses of REJECT which flex missed.
- */
- #define REJECT reject_used_but_not_detected
- #define yymore() yymore_used_but_not_detected
- #define YY_MORE_ADJ 0
- #define YY_RESTORE_YY_MORE_OFFSET
- char *yytext;
- #line 1 "calclex.l"
- #define INITIAL 0
- /* Lexical analyzer for calc program.
- Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
- This file is part of the GNU MP Library.
- This program is free software; you can redistribute it and/or modify it under
- the terms of the GNU General Public License as published by the Free Software
- Foundation; either version 3 of the License, or (at your option) any later
- version.
- This program is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
- PARTICULAR PURPOSE. See the GNU General Public License for more details.
- You should have received a copy of the GNU General Public License along with
- this program. If not, see http://www.gnu.org/licenses/. */
- #line 20 "calclex.l"
- #include <string.h>
- #include "calc-common.h"
- #if WITH_READLINE
- /* Let GNU flex use readline. See the calcread.c redefined input() for a
- way that might work for a standard lex too. */
- #define YY_INPUT(buf,result,max_size)
- result = calc_input (buf, max_size);
- #endif
- /* Non-zero when reading the second or subsequent line of an expression,
- used to give a different prompt when using readline. */
- int calc_more_input = 0;
- const struct calc_keywords_t calc_keywords[] = {
- { "abs", ABS },
- { "bin", BIN },
- { "decimal", DECIMAL },
- { "fib", FIB },
- { "hex", HEX },
- { "help", HELP },
- { "gcd", GCD },
- { "kron", KRON },
- { "lcm", LCM },
- { "lucnum", LUCNUM },
- { "nextprime", NEXTPRIME },
- { "powm", POWM },
- { "quit", QUIT },
- { "root", ROOT },
- { "sqrt", SQRT },
- { NULL }
- };
- #line 447 "calclex.c"
- /* Macros after this point can all be overridden by user definitions in
- * section 1.
- */
- #ifndef YY_SKIP_YYWRAP
- #ifdef __cplusplus
- extern "C" int yywrap YY_PROTO(( void ));
- #else
- extern int yywrap YY_PROTO(( void ));
- #endif
- #endif
- #ifndef YY_NO_UNPUT
- static void yyunput YY_PROTO(( int c, char *buf_ptr ));
- #endif
- #ifndef yytext_ptr
- static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
- #endif
- #ifdef YY_NEED_STRLEN
- static int yy_flex_strlen YY_PROTO(( yyconst char * ));
- #endif
- #ifndef YY_NO_INPUT
- #ifdef __cplusplus
- static int yyinput YY_PROTO(( void ));
- #else
- static int input YY_PROTO(( void ));
- #endif
- #endif
- #if YY_STACK_USED
- static int yy_start_stack_ptr = 0;
- static int yy_start_stack_depth = 0;
- static int *yy_start_stack = 0;
- #ifndef YY_NO_PUSH_STATE
- static void yy_push_state YY_PROTO(( int new_state ));
- #endif
- #ifndef YY_NO_POP_STATE
- static void yy_pop_state YY_PROTO(( void ));
- #endif
- #ifndef YY_NO_TOP_STATE
- static int yy_top_state YY_PROTO(( void ));
- #endif
- #else
- #define YY_NO_PUSH_STATE 1
- #define YY_NO_POP_STATE 1
- #define YY_NO_TOP_STATE 1
- #endif
- #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
- /* 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 )
- #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)
- if ( yy_current_buffer->yy_is_interactive )
- {
- int c = '*', n;
- for ( n = 0; n < max_size &&
- (c = getc( yyin )) != EOF && c != 'n'; ++n )
- buf[n] = (char) c;
- if ( c == 'n' )
- buf[n++] = (char) c;
- if ( c == EOF && ferror( yyin ) )
- YY_FATAL_ERROR( "input in flex scanner failed" );
- result = n;
- }
- else if ( ((result = fread( buf, 1, max_size, yyin )) == 0)
- && ferror( yyin ) )
- 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 )
- #endif
- /* Default declaration of generated scanner - a define so the user can
- * easily add parameters.
- */
- #ifndef YY_DECL
- #define YY_DECL int yylex YY_PROTO(( void ))
- #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
- #define YY_RULE_SETUP
- YY_USER_ACTION
- YY_DECL
- {
- register yy_state_type yy_current_state;
- register char *yy_cp, *yy_bp;
- register int yy_act;
- #line 57 "calclex.l"
- #line 601 "calclex.c"
- if ( yy_init )
- {
- yy_init = 0;
- #ifdef YY_USER_INIT
- YY_USER_INIT;
- #endif
- if ( ! yy_start )
- yy_start = 1; /* first start state */
- if ( ! yyin )
- yyin = stdin;
- if ( ! yyout )
- yyout = stdout;
- if ( ! yy_current_buffer )
- yy_current_buffer =
- yy_create_buffer( yyin, YY_BUF_SIZE );
- yy_load_buffer_state();
- }
- while ( 1 ) /* loops until end-of-file is reached */
- {
- 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;
- yy_current_state = yy_start;
- yy_match:
- do
- {
- register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
- if ( yy_accept[yy_current_state] )
- {
- yy_last_accepting_state = yy_current_state;
- yy_last_accepting_cpos = yy_cp;
- }
- while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
- {
- yy_current_state = (int) yy_def[yy_current_state];
- if ( yy_current_state >= 39 )
- yy_c = yy_meta[(unsigned int) yy_c];
- }
- yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
- ++yy_cp;
- }
- while ( yy_base[yy_current_state] != 49 );
- yy_find_action:
- yy_act = yy_accept[yy_current_state];
- if ( yy_act == 0 )
- { /* have to back up */
- yy_cp = yy_last_accepting_cpos;
- yy_current_state = yy_last_accepting_state;
- yy_act = yy_accept[yy_current_state];
- }
- YY_DO_BEFORE_ACTION;
- do_action: /* This label is used only to access EOF actions. */
- switch ( yy_act )
- { /* beginning of action switch */
- case 0: /* must back up */
- /* undo the effects of YY_DO_BEFORE_ACTION */
- *yy_cp = yy_hold_char;
- yy_cp = yy_last_accepting_cpos;
- yy_current_state = yy_last_accepting_state;
- goto yy_find_action;
- case 1:
- YY_RULE_SETUP
- #line 59 "calclex.l"
- { /* white space is skipped */ }
- YY_BREAK
- case 2:
- YY_RULE_SETUP
- #line 61 "calclex.l"
- { /* semicolon or newline separates statements */
- calc_more_input = 0;
- return EOS; }
- YY_BREAK
- case 3:
- YY_RULE_SETUP
- #line 64 "calclex.l"
- { /* escaped newlines are skipped */ }
- YY_BREAK
- case 4:
- YY_RULE_SETUP
- #line 67 "calclex.l"
- {
- /* comment through to escaped newline is skipped */ }
- YY_BREAK
- case 5:
- YY_RULE_SETUP
- #line 69 "calclex.l"
- { /* comment through to newline is a separator */
- calc_more_input = 0;
- return EOS; }
- YY_BREAK
- case 6:
- YY_RULE_SETUP
- #line 72 "calclex.l"
- { /* comment through to EOF skipped */ }
- YY_BREAK
- case 7:
- YY_RULE_SETUP
- #line 75 "calclex.l"
- { return yytext[0]; }
- YY_BREAK
- case 8:
- YY_RULE_SETUP
- #line 76 "calclex.l"
- { return LE; }
- YY_BREAK
- case 9:
- YY_RULE_SETUP
- #line 77 "calclex.l"
- { return GE; }
- YY_BREAK
- case 10:
- YY_RULE_SETUP
- #line 78 "calclex.l"
- { return EQ; }
- YY_BREAK
- case 11:
- YY_RULE_SETUP
- #line 79 "calclex.l"
- { return NE; }
- YY_BREAK
- case 12:
- YY_RULE_SETUP
- #line 80 "calclex.l"
- { return LSHIFT; }
- YY_BREAK
- case 13:
- YY_RULE_SETUP
- #line 81 "calclex.l"
- { return RSHIFT; }
- YY_BREAK
- case 14:
- YY_RULE_SETUP
- #line 82 "calclex.l"
- { return LAND; }
- YY_BREAK
- case 15:
- YY_RULE_SETUP
- #line 83 "calclex.l"
- { return LOR; }
- YY_BREAK
- case 16:
- YY_RULE_SETUP
- #line 85 "calclex.l"
- {
- yylval.str = yytext;
- return NUMBER; }
- YY_BREAK
- case 17:
- YY_RULE_SETUP
- #line 89 "calclex.l"
- {
- int i;
- for (i = 0; calc_keywords[i].name != NULL; i++)
- if (strcmp (yytext, calc_keywords[i].name) == 0)
- return calc_keywords[i].value;
- if (yytext[0] >= 'a' && yytext[0] <= 'z' && yytext[1] == ' ')
- {
- yylval.var = yytext[0] - 'a';
- return VARIABLE;
- }
- return BAD;
- }
- YY_BREAK
- case 18:
- YY_RULE_SETUP
- #line 105 "calclex.l"
- { return BAD; }
- YY_BREAK
- case 19:
- YY_RULE_SETUP
- #line 107 "calclex.l"
- ECHO;
- YY_BREAK
- #line 800 "calclex.c"
- case YY_STATE_EOF(INITIAL):
- yyterminate();
- case YY_END_OF_BUFFER:
- {
- /* Amount of text matched not including the EOB char. */
- int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
- /* Undo the effects of YY_DO_BEFORE_ACTION. */
- *yy_cp = yy_hold_char;
- YY_RESTORE_YY_MORE_OFFSET
- if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
- {
- /* We're scanning a new file or input source. It's
- * possible that this happened because the user
- * just pointed yyin at a new source and called
- * yylex(). If so, then we have to assure
- * consistency between yy_current_buffer and our
- * globals. Here is the right place to do so, because
- * this is the first action (other than possibly a
- * back-up) that will match for the new input source.
- */
- yy_n_chars = yy_current_buffer->yy_n_chars;
- yy_current_buffer->yy_input_file = yyin;
- yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
- }
- /* Note that here we test for yy_c_buf_p "<=" to the position
- * of the first EOB in the buffer, since yy_c_buf_p will
- * already have been incremented past the NUL character
- * (since all states make transitions on EOB to the
- * end-of-buffer state). Contrast this with the test
- * in input().
- */
- if ( yy_c_buf_p <= &yy_current_buffer->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
- {
- yy_cp = yy_c_buf_p;
- 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 */
- /* 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()
- {
- register char *dest = yy_current_buffer->yy_ch_buf;
- register char *source = yytext_ptr;
- register int number_to_move, i;
- int ret_val;
- if ( yy_c_buf_p > &yy_current_buffer->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 single character, the EOB, so
- * treat this as a final EOF.
- */
- return EOB_ACT_END_OF_FILE;
- }
- else
- {
- /* We matched some text prior to the EOB, first
- * process it.
- */
- return EOB_ACT_LAST_MATCH;
- }
- }
- /* Try to read more data. */
- /* First move last chars to start of buffer. */
- number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
- for ( i = 0; i < number_to_move; ++i )
- *(dest++) = *(source++);
- if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
- /* don't do the read, it's not guaranteed to return an EOF,
- * just force an EOF
- */
- yy_current_buffer->yy_n_chars = 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 =
- (int) (yy_c_buf_p - b->yy_ch_buf);
- if ( b->yy_is_our_buffer )
- {
- int new_size = b->yy_buf_size * 2;
- if ( new_size <= 0 )
- b->yy_buf_size += b->yy_buf_size / 8;
- else
- b->yy_buf_size *= 2;
- b->yy_ch_buf = (char *)
- /* Include room in for 2 EOB chars. */
- yy_flex_realloc( (void *) b->yy_ch_buf,
- b->yy_buf_size + 2 );
- }
- else
- /* Can't grow it, we don't own it. */
- b->yy_ch_buf = 0;
- if ( ! b->yy_ch_buf )
- YY_FATAL_ERROR(
- "fatal error - scanner input buffer overflow" );
- yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
- num_to_read = yy_current_buffer->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 );
- yy_current_buffer->yy_n_chars = yy_n_chars;
- }
- if ( yy_n_chars == 0 )
- {
- if ( number_to_move == YY_MORE_ADJ )
- {
- ret_val = EOB_ACT_END_OF_FILE;
- yyrestart( yyin );
- }
- else
- {
- ret_val = EOB_ACT_LAST_MATCH;
- yy_current_buffer->yy_buffer_status =
- YY_BUFFER_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_ptr = &yy_current_buffer->yy_ch_buf[0];
- 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()
- {
- register yy_state_type yy_current_state;
- register char *yy_cp;
- yy_current_state = yy_start;
- for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
- {
- register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
- if ( yy_accept[yy_current_state] )
- {
- yy_last_accepting_state = yy_current_state;
- yy_last_accepting_cpos = yy_cp;
- }
- while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
- {
- yy_current_state = (int) yy_def[yy_current_state];
- if ( yy_current_state >= 39 )
- yy_c = yy_meta[(unsigned int) yy_c];
- }
- yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
- }
- return yy_current_state;
- }
- /* yy_try_NUL_trans - try to make a transition on the NUL character
- *
- * synopsis
- * next_state = yy_try_NUL_trans( current_state );
- */
- #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
- {
- register int yy_is_jam;
- register char *yy_cp = yy_c_buf_p;
- register YY_CHAR yy_c = 1;
- if ( yy_accept[yy_current_state] )
- {
- yy_last_accepting_state = yy_current_state;
- yy_last_accepting_cpos = yy_cp;
- }
- while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
- {
- yy_current_state = (int) yy_def[yy_current_state];
- if ( yy_current_state >= 39 )
- yy_c = yy_meta[(unsigned int) yy_c];
- }
- yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
- yy_is_jam = (yy_current_state == 38);
- return yy_is_jam ? 0 : yy_current_state;
- }
- #ifndef YY_NO_UNPUT
- #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
- {
- 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 += (int) (dest - source);
- yy_bp += (int) (dest - source);
- yy_current_buffer->yy_n_chars =
- 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" );
- }
- *--yy_cp = (char) c;
- yytext_ptr = yy_bp;
- yy_hold_char = *yy_cp;
- yy_c_buf_p = yy_cp;
- }
- #endif /* ifndef YY_NO_UNPUT */
- #ifdef __cplusplus
- static int yyinput()
- #else
- static int input()
- #endif
- {
- int c;
- *yy_c_buf_p = yy_hold_char;
- if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
- {
- /* yy_c_buf_p now points to the character we want to return.
- * If this occurs *before* the EOB characters, then it's a
- * valid NUL; if not, then we've hit the end of the buffer.
- */
- if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
- /* This was really a NUL. */
- *yy_c_buf_p = ' ';
- else
- { /* need more input */
- int offset = yy_c_buf_p - yytext_ptr;
- ++yy_c_buf_p;
- switch ( yy_get_next_buffer() )
- {
- case EOB_ACT_LAST_MATCH:
- /* This happens because yy_g_n_b()
- * sees that we've accumulated a
- * token and flags that we need to
- * try matching the token before
- * proceeding. But for input(),
- * there's no matching to consider.
- * So convert the EOB_ACT_LAST_MATCH
- * to EOB_ACT_END_OF_FILE.
- */
- /* Reset buffer status. */
- yyrestart( yyin );
- /* fall through */
- case EOB_ACT_END_OF_FILE:
- {
- if ( yywrap() )
- return EOF;
- if ( ! yy_did_buffer_switch_on_eof )
- YY_NEW_FILE;
- #ifdef __cplusplus
- return yyinput();
- #else
- return input();
- #endif
- }
- case EOB_ACT_CONTINUE_SCAN:
- yy_c_buf_p = yytext_ptr + offset;
- break;
- }
- }
- }
- c = *(unsigned char *) yy_c_buf_p; /* cast for 8-bit char's */
- *yy_c_buf_p = ' '; /* 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
- {
- 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
- {
- 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
- {
- 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 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()" );
- b->yy_is_our_buffer = 1;
- 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
- {
- if ( ! b )
- return;
- if ( b == yy_current_buffer )
- yy_current_buffer = (YY_BUFFER_STATE) 0;
- if ( b->yy_is_our_buffer )
- yy_flex_free( (void *) b->yy_ch_buf );
- yy_flex_free( (void *) b );
- }
- #ifndef YY_ALWAYS_INTERACTIVE
- #ifndef YY_NEVER_INTERACTIVE
- extern int isatty YY_PROTO(( int ));
- #endif
- #endif
- #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
- {
- yy_flush_buffer( b );
- b->yy_input_file = file;
- b->yy_fill_buffer = 1;
- #if YY_ALWAYS_INTERACTIVE
- b->yy_is_interactive = 1;
- #else
- #if YY_NEVER_INTERACTIVE
- b->yy_is_interactive = 0;
- #else
- b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
- #endif
- #endif
- }
- #ifdef YY_USE_PROTOS
- void yy_flush_buffer( YY_BUFFER_STATE b )
- #else
- void yy_flush_buffer( b )
- YY_BUFFER_STATE b;
- #endif
- {
- if ( ! b )
- return;
- b->yy_n_chars = 0;
- /* We always need two end-of-buffer characters. The first causes
- * a transition to the end-of-buffer state. The second causes
- * a jam in that state.
- */
- b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
- b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
- b->yy_buf_pos = &b->yy_ch_buf[0];
- b->yy_at_bol = 1;
- b->yy_buffer_status = YY_BUFFER_NEW;
- if ( b == yy_current_buffer )
- yy_load_buffer_state();
- }
- #ifndef YY_NO_SCAN_BUFFER
- #ifdef YY_USE_PROTOS
- YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
- #else
- YY_BUFFER_STATE yy_scan_buffer( base, size )
- char *base;
- yy_size_t size;
- #endif
- {
- YY_BUFFER_STATE b;
- if ( size < 2 ||
- base[size-2] != YY_END_OF_BUFFER_CHAR ||
- base[size-1] != YY_END_OF_BUFFER_CHAR )
- /* They forgot to leave room for the EOB's. */
- return 0;
- b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
- if ( ! b )
- YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
- b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
- b->yy_buf_pos = b->yy_ch_buf = base;
- b->yy_is_our_buffer = 0;
- b->yy_input_file = 0;
- b->yy_n_chars = b->yy_buf_size;
- b->yy_is_interactive = 0;
- b->yy_at_bol = 1;
- b->yy_fill_buffer = 0;
- b->yy_buffer_status = YY_BUFFER_NEW;
- yy_switch_to_buffer( b );
- return b;
- }
- #endif
- #ifndef YY_NO_SCAN_STRING
- #ifdef YY_USE_PROTOS
- YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
- #else
- YY_BUFFER_STATE yy_scan_string( yy_str )
- yyconst char *yy_str;
- #endif
- {
- int len;
- for ( len = 0; yy_str[len]; ++len )
- ;
- return yy_scan_bytes( yy_str, len );
- }
- #endif
- #ifndef YY_NO_SCAN_BYTES
- #ifdef YY_USE_PROTOS
- YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
- #else
- YY_BUFFER_STATE yy_scan_bytes( bytes, len )
- yyconst char *bytes;
- int len;
- #endif
- {
- YY_BUFFER_STATE b;
- char *buf;
- yy_size_t n;
- int i;
- /* Get memory for full buffer, including space for trailing EOB's. */
- n = len + 2;
- buf = (char *) yy_flex_alloc( n );
- if ( ! buf )
- YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
- for ( i = 0; i < len; ++i )
- buf[i] = bytes[i];
- buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
- b = yy_scan_buffer( buf, n );
- if ( ! b )
- YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
- /* It's okay to grow etc. this buffer, and we should throw it
- * away when we're done.
- */
- b->yy_is_our_buffer = 1;
- return b;
- }
- #endif
- #ifndef YY_NO_PUSH_STATE
- #ifdef YY_USE_PROTOS
- static void yy_push_state( int new_state )
- #else
- static void yy_push_state( new_state )
- int new_state;
- #endif
- {
- if ( yy_start_stack_ptr >= yy_start_stack_depth )
- {
- yy_size_t 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);
- }
- #endif
- #ifndef YY_NO_POP_STATE
- static void yy_pop_state()
- {
- if ( --yy_start_stack_ptr < 0 )
- YY_FATAL_ERROR( "start-condition stack underflow" );
- BEGIN(yy_start_stack[yy_start_stack_ptr]);
- }
- #endif
- #ifndef YY_NO_TOP_STATE
- static int yy_top_state()
- {
- return yy_start_stack[yy_start_stack_ptr - 1];
- }
- #endif
- #ifndef YY_EXIT_FAILURE
- #define YY_EXIT_FAILURE 2
- #endif
- #ifdef YY_USE_PROTOS
- static void yy_fatal_error( yyconst char msg[] )
- #else
- static void yy_fatal_error( msg )
- char msg[];
- #endif
- {
- (void) fprintf( stderr, "%sn", msg );
- exit( YY_EXIT_FAILURE );
- }
- /* 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_hold_char = *yy_c_buf_p;
- *yy_c_buf_p = ' ';
- yyleng = n;
- }
- while ( 0 )
- /* Internal utility routines. */
- #ifndef yytext_ptr
- #ifdef YY_USE_PROTOS
- static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
- #else
- static void yy_flex_strncpy( s1, s2, n )
- char *s1;
- yyconst char *s2;
- int n;
- #endif
- {
- register int i;
- for ( i = 0; i < n; ++i )
- s1[i] = s2[i];
- }
- #endif
- #ifdef YY_NEED_STRLEN
- #ifdef YY_USE_PROTOS
- static int yy_flex_strlen( yyconst char *s )
- #else
- static int yy_flex_strlen( s )
- yyconst char *s;
- #endif
- {
- register int n;
- for ( n = 0; s[n]; ++n )
- ;
- return n;
- }
- #endif
- #ifdef YY_USE_PROTOS
- static void *yy_flex_alloc( yy_size_t size )
- #else
- static void *yy_flex_alloc( size )
- yy_size_t size;
- #endif
- {
- return (void *) malloc( size );
- }
- #ifdef YY_USE_PROTOS
- static void *yy_flex_realloc( void *ptr, yy_size_t size )
- #else
- static void *yy_flex_realloc( ptr, size )
- void *ptr;
- yy_size_t size;
- #endif
- {
- /* The cast to (char *) in the following accommodates both
- * implementations that use char* generic pointers, and those
- * that use void* generic pointers. It works with the latter
- * because both ANSI C and C++ allow castless assignment from
- * any pointer type to void*, and deal with argument conversions
- * as though doing an assignment.
- */
- return (void *) realloc( (char *) ptr, size );
- }
- #ifdef YY_USE_PROTOS
- static void yy_flex_free( void *ptr )
- #else
- static void yy_flex_free( ptr )
- void *ptr;
- #endif
- {
- free( ptr );
- }
- #if YY_MAIN
- int main()
- {
- yylex();
- return 0;
- }
- #endif
- #line 107 "calclex.l"
- int
- yywrap ()
- {
- return 1;
- }