| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152215231524152515261527152815291530153115321533153415351536153715381539154015411542154315441545154615471548154915501551155215531554155515561557155815591560156115621563156415651566156715681569157015711572157315741575157615771578157915801581158215831584158515861587158815891590159115921593159415951596159715981599160016011602160316041605160616071608160916101611161216131614161516161617161816191620162116221623162416251626162716281629163016311632163316341635163616371638163916401641164216431644164516461647164816491650165116521653165416551656165716581659166016611662166316641665166616671668166916701671167216731674167516761677167816791680168116821683168416851686168716881689169016911692169316941695169616971698169917001701170217031704170517061707170817091710171117121713171417151716171717181719172017211722172317241725172617271728172917301731173217331734173517361737173817391740174117421743174417451746174717481749175017511752175317541755175617571758175917601761176217631764176517661767176817691770177117721773177417751776177717781779178017811782178317841785178617871788178917901791179217931794179517961797179817991800180118021803180418051806180718081809181018111812181318141815181618171818181918201821182218231824182518261827182818291830183118321833 |
- /* 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 $
- */
- #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 ));
- 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 = '\0'; \
- yy_c_buf_p = yy_cp;
- #define YY_NUM_RULES 39
- #define YY_END_OF_BUFFER 40
- static yyconst short int yy_accept[98] =
- { 0,
- 0, 0, 40, 38, 37, 37, 29, 38, 34, 38,
- 27, 28, 32, 31, 24, 30, 33, 14, 25, 21,
- 35, 26, 36, 13, 13, 13, 13, 13, 13, 13,
- 13, 13, 13, 13, 22, 23, 20, 0, 16, 0,
- 0, 0, 1, 14, 14, 17, 19, 18, 13, 0,
- 0, 13, 13, 13, 13, 13, 13, 7, 13, 13,
- 13, 13, 15, 13, 13, 13, 13, 13, 13, 8,
- 13, 13, 13, 2, 13, 13, 5, 13, 13, 13,
- 11, 13, 3, 13, 13, 13, 13, 12, 13, 6,
- 13, 10, 13, 13, 4, 9, 0
- } ;
- static yyconst int yy_ec[256] =
- { 0,
- 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
- 2, 2, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 2, 4, 5, 1, 1, 6, 1, 7, 8,
- 9, 10, 11, 12, 13, 1, 14, 15, 15, 15,
- 15, 15, 15, 15, 15, 15, 15, 16, 17, 18,
- 19, 20, 1, 1, 21, 21, 21, 21, 21, 21,
- 21, 21, 21, 21, 21, 22, 21, 21, 21, 21,
- 21, 21, 21, 21, 23, 21, 21, 21, 21, 21,
- 1, 24, 1, 1, 21, 1, 25, 26, 27, 28,
- 29, 30, 21, 31, 32, 21, 33, 34, 21, 35,
- 36, 21, 21, 37, 38, 39, 40, 41, 42, 43,
- 21, 21, 44, 1, 45, 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[46] =
- { 0,
- 1, 1, 1, 1, 1, 1, 2, 1, 1, 1,
- 1, 1, 1, 1, 3, 1, 1, 1, 1, 1,
- 3, 3, 3, 1, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 1, 1
- } ;
- static yyconst short int yy_base[101] =
- { 0,
- 0, 0, 130, 131, 131, 131, 110, 41, 131, 104,
- 131, 131, 131, 131, 131, 131, 117, 32, 131, 131,
- 107, 106, 105, 0, 43, 83, 85, 85, 15, 80,
- 21, 90, 82, 86, 131, 131, 131, 47, 131, 113,
- 46, 54, 131, 45, 40, 131, 131, 131, 0, 54,
- 91, 75, 84, 77, 73, 71, 74, 0, 69, 68,
- 74, 73, 131, 68, 78, 63, 72, 71, 72, 0,
- 58, 69, 62, 0, 62, 62, 0, 56, 53, 53,
- 0, 55, 0, 48, 47, 49, 42, 0, 36, 0,
- 39, 0, 44, 34, 0, 0, 131, 85, 88, 61
- } ;
- static yyconst short int yy_def[101] =
- { 0,
- 97, 1, 97, 97, 97, 97, 97, 98, 97, 99,
- 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,
- 97, 97, 97, 100, 100, 100, 100, 100, 100, 100,
- 100, 100, 100, 100, 97, 97, 97, 98, 97, 98,
- 99, 99, 97, 97, 97, 97, 97, 97, 100, 98,
- 99, 100, 100, 100, 100, 100, 100, 100, 100, 100,
- 100, 100, 97, 100, 100, 100, 100, 100, 100, 100,
- 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
- 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
- 100, 100, 100, 100, 100, 100, 0, 97, 97, 97
- } ;
- static yyconst short int yy_nxt[177] =
- { 0,
- 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
- 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
- 24, 25, 24, 4, 26, 27, 28, 24, 29, 30,
- 24, 31, 24, 24, 24, 24, 32, 24, 24, 24,
- 33, 34, 24, 35, 36, 39, 44, 50, 55, 51,
- 58, 39, 63, 45, 45, 59, 97, 56, 39, 44,
- 41, 45, 45, 49, 40, 45, 45, 45, 96, 42,
- 40, 45, 95, 45, 94, 93, 92, 40, 45, 45,
- 91, 90, 89, 88, 45, 38, 38, 38, 41, 87,
- 41, 86, 85, 84, 83, 82, 81, 80, 79, 78,
- 77, 76, 75, 74, 73, 72, 71, 70, 69, 68,
- 67, 66, 65, 64, 42, 97, 62, 61, 60, 57,
- 54, 53, 52, 48, 47, 46, 43, 42, 37, 97,
- 3, 97, 97, 97, 97, 97, 97, 97, 97, 97,
- 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,
- 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,
- 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,
- 97, 97, 97, 97, 97, 97
- } ;
- static yyconst short int yy_chk[177] =
- { 0,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 8, 18, 25, 29, 25,
- 31, 38, 41, 18, 18, 31, 42, 29, 50, 44,
- 42, 45, 45, 100, 8, 18, 44, 44, 94, 41,
- 38, 18, 93, 45, 91, 89, 87, 50, 44, 45,
- 86, 85, 84, 82, 44, 98, 98, 98, 99, 80,
- 99, 79, 78, 76, 75, 73, 72, 71, 69, 68,
- 67, 66, 65, 64, 62, 61, 60, 59, 57, 56,
- 55, 54, 53, 52, 51, 40, 34, 33, 32, 30,
- 28, 27, 26, 23, 22, 21, 17, 10, 7, 3,
- 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,
- 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,
- 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,
- 97, 97, 97, 97, 97, 97, 97, 97, 97, 97,
- 97, 97, 97, 97, 97, 97
- } ;
- 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 "C.flex"
- #define INITIAL 0
- #line 9 "C.flex"
- #include <stdio.h>
- #include "C.tab.h"
- #include <string.h>
- #include <stdlib.h>
- #include "token.h"
- TOKEN* make_string(char*);
- extern TOKEN* lookup_token(char*);
- TOKEN* make_int(char*);
- TOKEN* lasttok;
- void count(void);
- void comment(void);
- #line 446 "lex.yy.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 23 "C.flex"
- #line 599 "lex.yy.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 >= 98 )
- 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] != 131 );
- 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 24 "C.flex"
- { comment(); }
- YY_BREAK
- case 2:
- YY_RULE_SETUP
- #line 26 "C.flex"
- { count(); return(AUTO); }
- YY_BREAK
- case 3:
- YY_RULE_SETUP
- #line 27 "C.flex"
- { count(); return(BREAK); }
- YY_BREAK
- case 4:
- YY_RULE_SETUP
- #line 28 "C.flex"
- { count(); return(CONTINUE); }
- YY_BREAK
- case 5:
- YY_RULE_SETUP
- #line 29 "C.flex"
- { count(); return(ELSE); }
- YY_BREAK
- case 6:
- YY_RULE_SETUP
- #line 30 "C.flex"
- { count(); return(EXTERN); }
- YY_BREAK
- case 7:
- YY_RULE_SETUP
- #line 31 "C.flex"
- { count(); return(IF); }
- YY_BREAK
- case 8:
- YY_RULE_SETUP
- #line 32 "C.flex"
- { count(); return(INT); }
- YY_BREAK
- case 9:
- YY_RULE_SETUP
- #line 33 "C.flex"
- { count(); return(FUNCTION); }
- YY_BREAK
- case 10:
- YY_RULE_SETUP
- #line 34 "C.flex"
- { count(); return(RETURN); }
- YY_BREAK
- case 11:
- YY_RULE_SETUP
- #line 35 "C.flex"
- { count(); return(VOID); }
- YY_BREAK
- case 12:
- YY_RULE_SETUP
- #line 36 "C.flex"
- { count(); return(WHILE); }
- YY_BREAK
- case 13:
- YY_RULE_SETUP
- #line 38 "C.flex"
- { count(); lasttok = lookup_token(yytext);
- return(IDENTIFIER); }
- YY_BREAK
- case 14:
- YY_RULE_SETUP
- #line 41 "C.flex"
- { count(); lasttok = make_int(yytext);return(CONSTANT); }
- YY_BREAK
- case 15:
- YY_RULE_SETUP
- #line 42 "C.flex"
- { count(); lasttok = make_int(yytext);return(CONSTANT); }
- YY_BREAK
- case 16:
- YY_RULE_SETUP
- #line 44 "C.flex"
- { count(); lasttok = make_string(yytext);
- return(STRING_LITERAL); }
- YY_BREAK
- case 17:
- YY_RULE_SETUP
- #line 47 "C.flex"
- { count(); return(LE_OP); }
- YY_BREAK
- case 18:
- YY_RULE_SETUP
- #line 48 "C.flex"
- { count(); return(GE_OP); }
- YY_BREAK
- case 19:
- YY_RULE_SETUP
- #line 49 "C.flex"
- { count(); return(EQ_OP); }
- YY_BREAK
- case 20:
- YY_RULE_SETUP
- #line 50 "C.flex"
- { count(); return(NE_OP); }
- YY_BREAK
- case 21:
- YY_RULE_SETUP
- #line 51 "C.flex"
- { count(); return(';'); }
- YY_BREAK
- case 22:
- YY_RULE_SETUP
- #line 52 "C.flex"
- { count(); return('{'); }
- YY_BREAK
- case 23:
- YY_RULE_SETUP
- #line 53 "C.flex"
- { count(); return('}'); }
- YY_BREAK
- case 24:
- YY_RULE_SETUP
- #line 54 "C.flex"
- { count(); return(','); }
- YY_BREAK
- case 25:
- YY_RULE_SETUP
- #line 55 "C.flex"
- { count(); return(':'); }
- YY_BREAK
- case 26:
- YY_RULE_SETUP
- #line 56 "C.flex"
- { count(); return('='); }
- YY_BREAK
- case 27:
- YY_RULE_SETUP
- #line 57 "C.flex"
- { count(); return('('); }
- YY_BREAK
- case 28:
- YY_RULE_SETUP
- #line 58 "C.flex"
- { count(); return(')'); }
- YY_BREAK
- case 29:
- YY_RULE_SETUP
- #line 59 "C.flex"
- { count(); return('!'); }
- YY_BREAK
- case 30:
- YY_RULE_SETUP
- #line 60 "C.flex"
- { count(); return('-'); }
- YY_BREAK
- case 31:
- YY_RULE_SETUP
- #line 61 "C.flex"
- { count(); return('+'); }
- YY_BREAK
- case 32:
- YY_RULE_SETUP
- #line 62 "C.flex"
- { count(); return('*'); }
- YY_BREAK
- case 33:
- YY_RULE_SETUP
- #line 63 "C.flex"
- { count(); return('/'); }
- YY_BREAK
- case 34:
- YY_RULE_SETUP
- #line 64 "C.flex"
- { count(); return('%'); }
- YY_BREAK
- case 35:
- YY_RULE_SETUP
- #line 65 "C.flex"
- { count(); return('<'); }
- YY_BREAK
- case 36:
- YY_RULE_SETUP
- #line 66 "C.flex"
- { count(); return('>'); }
- YY_BREAK
- case 37:
- YY_RULE_SETUP
- #line 68 "C.flex"
- { count(); }
- YY_BREAK
- case 38:
- YY_RULE_SETUP
- #line 69 "C.flex"
- { /* ignore bad characters */ }
- YY_BREAK
- case 39:
- YY_RULE_SETUP
- #line 71 "C.flex"
- ECHO;
- YY_BREAK
- #line 879 "lex.yy.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 >= 98 )
- 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 >= 98 )
- 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 == 97);
- 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 = '\0';
- else
- { /* need more input */
- int offset = yy_c_buf_p - yytext_ptr;
- ++yy_c_buf_p;
- switch ( yy_get_next_buffer() )
- {
- case EOB_ACT_LAST_MATCH:
- /* This happens because yy_g_n_b()
- * sees that we've accumulated a
- * token and flags that we need to
- * try matching the token before
- * proceeding. But for input(),
- * there's no matching to consider.
- * So convert the EOB_ACT_LAST_MATCH
- * to EOB_ACT_END_OF_FILE.
- */
- /* Reset buffer status. */
- 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 = '\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
- {
- 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, "%s\n", 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 = '\0'; \
- 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 71 "C.flex"
- int yywrap(void)
- {
- return(1);
- }
- void comment(void)
- {
- char c, c1;
- loop:
- while ((c = input()) != '*' && c != 0)
- putchar(c);
- if ((c1 = input()) != '/' && c != 0)
- {
- unput(c1);
- goto loop;
- }
- if (c != 0)
- putchar(c1);
- }
- int column = 0;
- void count()
- {
- int i;
- for (i = 0; yytext[i] != '\0'; i++)
- if (yytext[i] == '\n')
- column = 0;
- else if (yytext[i] == '\t')
- column += 8 - (column % 8);
- else
- column++;
- ECHO;
- }
- TOKEN *new_token(int type)
- {
- TOKEN *ans = (TOKEN*)malloc(sizeof(TOKEN));
- ans->type = type;
- return ans;
- }
- TOKEN *make_string(char *s)
- {
- TOKEN *ans = new_token(STRING_LITERAL);
- int len = strlen(s);
- ans->lexeme = (char*)calloc(1, len-1);
- strncpy(ans->lexeme, s+1, len-2);
- return ans;
- }
- TOKEN *make_int(char *s)
- {
- int n = *s!='\'' ? atoi(s) : *(s+1);
- TOKEN *ans = new_token(CONSTANT);
- ans->value = n;
- return ans;
- }
|