|
|
/* 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 $ */
#include <pch.cxx> #pragma hdrstop
#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
#ifndef YY_CHAR #define YY_CHAR TCHAR #endif
#ifdef __cplusplus
#include <tchar.h> #include <stdlib.h> %+ // class istream; %*
/* 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 YY_CHAR to an unsigned * integer for use as an array index. If the signed YY_CHAR is negative, * we want to instead treat it as an 8-bit unsigned YY_CHAR, hence the * double cast. */ #define YY_SC_TO_UI(c) ((unsigned int) (YY_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( )
#define YY_END_OF_BUFFER_CHAR 0
/* Size of default input buffer. */ #define YY_BUF_SIZE 32767 // UNDONE: Should really just take the input from the bstr passed in
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; %+ // istream* yy_input_file; %*
YY_CHAR *yy_ch_buf; /* input buffer */ YY_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 };
%- Standard (non-C++) definition static YY_BUFFER_STATE yy_current_buffer = 0; %*
/* We provide macros for accessing buffer states in case in the * future we want to put the buffer states in a more general * "scanner state". */ #define YY_CURRENT_BUFFER yy_current_buffer
%- Standard (non-C++) definition /* yy_hold_char holds the character lost when yytext is formed. */ static YY_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 YY_CHAR *yy_c_buf_p = (YY_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 yyywrap()'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(( ));
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(( int size )); void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b )); void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b )); 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(( YY_CHAR *base, yy_size_t size )); YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst YY_CHAR *yy_str )); YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst YY_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( 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( YY_BUF_SIZE ); \ yy_current_buffer->yy_at_bol = at_bol; \ }
#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
%% yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here
%- Standard (non-C++) definition static yy_state_type yy_get_previous_state YY_PROTO(( void )); static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state )); static int yy_get_next_buffer YY_PROTO(( void )); static void yy_fatal_error YY_PROTO(( yyconst YY_CHAR msg[] )); %*
/* Done after the current pattern has been matched and before the * corresponding action - sets up yytext. */ #define YY_DO_BEFORE_ACTION \ yytext_ptr = yy_bp; \ %% code to fiddle yytext and yyleng for yymore() goes here yy_hold_char = *yy_cp; \ *yy_cp = '\0'; \ %% code to copy yytext_ptr to yytext[] goes here, if %array yy_c_buf_p = yy_cp;
%% data tables for the DFA and the user's section 1 definitions go here
/* Macros after this point can all be overridden by user definitions in * section 1. */
#ifndef YY_SKIP_YYWRAP #ifdef __cplusplus int yyywrap YY_PROTO(( void )) {return 1;} #else extern int yyywrap YY_PROTO(( void )); #endif #endif
%- #ifndef YY_NO_UNPUT static void yyunput YY_PROTO(( int c, YY_CHAR *buf_ptr )); #endif %*
#ifndef yytext_ptr static void yy_flex_strncpy YY_PROTO(( YY_CHAR *, yyconst YY_CHAR *, int )); #endif
#ifdef YY_NEED_STRLEN static int yy_flex_strlen YY_PROTO(( yyconst YY_CHAR * )); #endif
#ifndef YY_NO_INPUT %- Standard (non-C++) definition #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 / sizeof(TCHAR)) #endif
/* Copy whatever the last rule matched to the standard output. */
#ifndef ECHO %- Standard (non-C++) definition /* This used to be an fputs(), but since the string might contain NUL's, * we now use fwrite(). */ #define ECHO (void) fwrite( yytext, yyleng, 1, yyout ) %+ C++ definition #define ECHO LexerOutput( yytext, yyleng ) %* #endif
/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, * is returned in "result". */ #ifndef YY_INPUT #define YY_INPUT(buf,result,max_size) \ %% fread()/read() definition of YY_INPUT goes here unless we're doing C++ %+ C++ definition if ( (result = LexerInput( (YY_CHAR *) buf, max_size )) < 0 ) \ /*YY_FATAL_ERROR( L"input in flex scanner failed" );*/ throw(E_FAIL); %* #endif
/* No semi-colon after return; correct usage is to write "yyterminate();" - * we don't want an extra ';' after the "return" because that will cause * some compilers to complain about unreachable statements. */ #ifndef yyterminate #define yyterminate() return YY_NULL #endif
/* Number of entries by which start-condition stack grows. */ #ifndef YY_START_STACK_INCR #define YY_START_STACK_INCR 25 #endif
/* Report a fatal error. */ #ifndef YY_FATAL_ERROR %- #define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) %+ #define YY_FATAL_ERROR(msg) LexerError( msg ) %* #endif
/* Default declaration of generated scanner - a define so the user can * easily add parameters. */ #ifndef YY_DECL %- Standard (non-C++) definition #define YY_DECL int yylex YY_PROTO(( void )) %+ C++ definition #define YY_DECL int YYLEXER::yylex(YYSTYPE *yylval) %* #endif
/* Code executed at the beginning of each rule, after yytext and yyleng * have been set up. */ #ifndef YY_USER_ACTION #define YY_USER_ACTION #endif
/* Code executed at the end of each rule. */ #ifndef YY_BREAK #define YY_BREAK break; #endif
%% YY_RULE_SETUP definition goes here
YY_DECL { register yy_state_type yy_current_state; register YY_CHAR *yy_cp, *yy_bp; register int yy_act;
%% user's declarations go here
if ( yy_init ) { yy_init = 0;
#ifdef YY_USER_INIT YY_USER_INIT; #endif
if ( ! yy_start ) yy_start = 1; /* first start state */
if ( ! yy_current_buffer ) yy_current_buffer = yy_create_buffer( (cInputBuffer * sizeof(YY_CHAR)) + sizeof(YY_CHAR) );
yy_load_buffer_state();
if (yyprimetoken) { int yysavetoken = yyprimetoken; yyprimetoken = 0; return yysavetoken; } }
while ( 1 ) /* loops until end-of-file is reached */ { %% yymore()-related code goes here yy_cp = yy_c_buf_p;
/* Support of yytext. */ *yy_cp = yy_hold_char;
/* yy_bp points to the position in yy_ch_buf of the start of * the current run. */ yy_bp = yy_cp;
%% code to set up and find next match goes here
yy_find_action: %% code to find the action number goes here
YY_DO_BEFORE_ACTION;
%% code for yylineno update goes here
do_action: /* This label is used only to access EOF actions. */
%% debug code goes here
switch ( yy_act ) { /* beginning of action switch */ %% actions go here
case YY_END_OF_BUFFER: { /* Amount of text matched not including the EOB YY_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_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 { %% code to do back-up for compressed tables and set up yy_cp goes here goto yy_find_action; } }
else switch ( yy_get_next_buffer() ) { case EOB_ACT_END_OF_FILE: { yy_did_buffer_switch_on_eof = 0;
if ( yyywrap() ) { /* 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(L"fatal flex scanner internal error--no action found" );*/ throw(E_FAIL); } /* end of action switch */ } /* end of scanning one token */ } /* end of yylex */
%+ YYLEXER::YYLEXER() { yy_c_buf_p = 0; yy_init = 1; yy_start = 0; yyprimetoken = 0; yy_flex_debug = 0; yylineno = 1; // this will only get updated if %option yylineno
yy_did_buffer_switch_on_eof = 0;
yy_looking_for_trail_begin = 0; yy_more_flag = 0; yy_more_len = 0; yy_more_offset = yy_prev_more_offset = 0;
yy_start_stack_ptr = yy_start_stack_depth = 0; yy_start_stack = 0;
yy_current_buffer = 0;
#ifdef YY_USES_REJECT yy_state_buf = new yy_state_type[YY_BUF_SIZE + 2]; #else yy_state_buf = 0; #endif
pszInputBuffer = pCurBuffer = (YY_CHAR *)NULL; cInputBuffer = 0; #ifdef DEBUG tkndebug = getenv("TKNDEBUG") ? 1 : 0; #endif }
YYLEXER::~YYLEXER() { delete yy_state_buf; yy_delete_buffer( yy_current_buffer ); }
#ifdef YY_INTERACTIVE int YYLEXER::LexerInput( YY_CHAR* buf, int /* max_size */ ) #else int YYLEXER::LexerInput( YY_CHAR* buf, int max_size ) #endif { return 0; }
void YYLEXER::LexerOutput( const YY_CHAR* buf, int size ) { /* for (int i=0; i<size; i++) yyout->put(char(buf[i]));
(void) yyout->put('\n'); */ }
#ifdef DEBUG void YYLEXER::LexerTrace(const YY_CHAR* buf, int size, int tknNum) { if (tkndebug > 0) { cout << ">> Lexing Token : "; for (int i=0; i<size; i++) cout << char(buf[i]); cout << " (" << tknNum << ")"<< endl; } } #endif %*
void YYLEXER::ResetLexer() { yy_init = 1; yy_start = 0; #ifdef DEBUG tkndebug = getenv("TKNTRACE") ? 1 : 0; #endif }
int YYLEXER::yybufferinput(YY_CHAR *pszBuffer, int cMax) { int n = min(cMax, cInputBuffer - (int) (pCurBuffer - pszInputBuffer));
if (n > 0) { memcpy(pszBuffer, pCurBuffer, n * sizeof(TCHAR)); pCurBuffer += n; } return n; }
void YYLEXER::yyprimebuffer(YY_CHAR *pszBuffer) { // if (NULL != pszInputBuffer) // CoTaskMemFree(pszInputBuffer);
// pszInputBuffer = pCurBuffer = strdup(pszBuffer); pszInputBuffer = pCurBuffer = pszBuffer; cInputBuffer = strlen(pszInputBuffer);
ResetLexer(); }
void YYLEXER::yyprimelexer(int eToken) { yyprimetoken = eToken; }
/* yy_get_next_buffer - try to read in a new buffer * * Returns a code representing an action: * EOB_ACT_LAST_MATCH - * EOB_ACT_CONTINUE_SCAN - continue scanning from current position * EOB_ACT_END_OF_FILE - end of file */
%- static int yy_get_next_buffer() %+ int YYLEXER::yy_get_next_buffer() %* { register YY_CHAR *dest = yy_current_buffer->yy_ch_buf; register YY_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(L"fatal flex scanner internal error--end of buffer missed" ); */ throw(E_FAIL);
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(L"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );*/ throw(E_OUTOFMEMORY); #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 = (YY_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(L"fatal error - scanner input buffer overflow");*/ throw(E_FAIL);
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( ); }
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 YY_CHAR was reached */
%- static yy_state_type yy_get_previous_state() %+ yy_state_type YYLEXER::yy_get_previous_state() %* { register yy_state_type yy_current_state; register YY_CHAR *yy_cp;
%% code to get the start state into yy_current_state goes here
for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp ) { %% code to find the next state goes here }
return yy_current_state; }
/* yy_try_NUL_trans - try to make a transition on the NUL character * * synopsis * next_state = yy_try_NUL_trans( current_state ); */
%- #ifdef YY_USE_PROTOS static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state ) #else static yy_state_type yy_try_NUL_trans( yy_current_state ) yy_state_type yy_current_state; #endif %+ yy_state_type YYLEXER::yy_try_NUL_trans( yy_state_type yy_current_state ) %* { register int yy_is_jam; %% code to find the next state, and perhaps do backing up, goes here
return yy_is_jam ? 0 : yy_current_state; }
%- #ifndef YY_NO_UNPUT #ifdef YY_USE_PROTOS static void yyunput( int c, register YY_CHAR *yy_bp ) #else static void yyunput( c, yy_bp ) int c; register YY_CHAR *yy_bp; #endif %+ void YYLEXER::yyunput( int c, register YY_CHAR* yy_bp ) %* { register YY_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 YY_CHAR *dest = &yy_current_buffer->yy_ch_buf[ yy_current_buffer->yy_buf_size + 2]; register YY_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( L"flex scanner push-back overflow" );*/ throw(E_FAIL); }
*--yy_cp = (YY_CHAR) c;
%% update yylineno here
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 YYLEXER::yyinput() %* { int c;
*yy_c_buf_p = yy_hold_char;
if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) { /* yy_c_buf_p now points to the character we want to return. * If this occurs *before* the EOB characters, then it's a * valid NUL; if not, then we've hit the end of the buffer. */ if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] ) /* This was really a NUL. */ *yy_c_buf_p = '\0';
else { /* need more input */ int offset = (int)(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( );
/* fall through */
case EOB_ACT_END_OF_FILE: { if ( yyywrap() ) 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 = *(YY_CHAR *) yy_c_buf_p; /* cast for 8-bit YY_CHAR's */ *yy_c_buf_p = '\0'; /* preserve yytext */ yy_hold_char = *++yy_c_buf_p;
%% update BOL and yylineno
return c; }
%- #ifdef YY_USE_PROTOS void yyrestart( ) #else void yyrestart( ) #endif %+ void YYLEXER::yyrestart( ) %* { if ( ! yy_current_buffer ) yy_current_buffer = yy_create_buffer( (cInputBuffer * sizeof(YY_CHAR)) + sizeof(YY_CHAR) );
yy_init_buffer( yy_current_buffer ); yy_load_buffer_state(); }
%- #ifdef YY_USE_PROTOS void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer ) #else void yy_switch_to_buffer( new_buffer ) YY_BUFFER_STATE new_buffer; #endif %+ void YYLEXER::yy_switch_to_buffer( YY_BUFFER_STATE new_buffer ) %* { if ( yy_current_buffer == new_buffer ) return;
if ( yy_current_buffer ) { /* Flush out information for old buffer. */ *yy_c_buf_p = yy_hold_char; yy_current_buffer->yy_buf_pos = yy_c_buf_p; yy_current_buffer->yy_n_chars = yy_n_chars; }
yy_current_buffer = new_buffer; yy_load_buffer_state();
/* We don't actually know whether we did this switch during * EOF (yyywrap()) processing, but the only time this flag * is looked at is after yyywrap() is called, so it's safe * to go ahead and always set it. */ yy_did_buffer_switch_on_eof = 1; }
%- #ifdef YY_USE_PROTOS void yy_load_buffer_state( void ) #else void yy_load_buffer_state() #endif %+ void YYLEXER::yy_load_buffer_state() %* { yy_n_chars = yy_current_buffer->yy_n_chars; yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos; yy_hold_char = *yy_c_buf_p; }
%- #ifdef YY_USE_PROTOS YY_BUFFER_STATE yy_create_buffer( int size ) #else YY_BUFFER_STATE yy_create_buffer( size ) int size; #endif %+ YY_BUFFER_STATE YYLEXER::yy_create_buffer( int size ) %* { YY_BUFFER_STATE b;
b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) ); if ( ! b ) /*YY_FATAL_ERROR( L"out of dynamic memory in yy_create_buffer()" );*/ throw(E_OUTOFMEMORY);
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 = (YY_CHAR *) yy_flex_alloc( b->yy_buf_size + 2 ); if ( ! b->yy_ch_buf ) /*YY_FATAL_ERROR( L"out of dynamic memory in yy_create_buffer()" );*/ throw(E_OUTOFMEMORY);
b->yy_is_our_buffer = 1;
yy_init_buffer( b );
return b; }
%- #ifdef YY_USE_PROTOS void yy_delete_buffer( YY_BUFFER_STATE b ) #else void yy_delete_buffer( b ) YY_BUFFER_STATE b; #endif %+ void YYLEXER::yy_delete_buffer( YY_BUFFER_STATE b ) %* { 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 ) #else void yy_init_buffer( b ) YY_BUFFER_STATE b; #endif
%+ extern "C" int isatty YY_PROTO(( int )); void YYLEXER::yy_init_buffer( YY_BUFFER_STATE b ) %*
{ yy_flush_buffer( b );
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 %+ b->yy_is_interactive = 0; %* }
%- #ifdef YY_USE_PROTOS void yy_flush_buffer( YY_BUFFER_STATE b ) #else void yy_flush_buffer( b ) YY_BUFFER_STATE b; #endif
%+ void YYLEXER::yy_flush_buffer( YY_BUFFER_STATE b ) %* { 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( YY_CHAR *base, yy_size_t size ) #else YY_BUFFER_STATE yy_scan_buffer( base, size ) YY_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( L"out of dynamic memory in yy_scan_buffer()" );*/ throw(E_OUTOFMEMORY);
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_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 YY_CHAR *yy_str ) #else YY_BUFFER_STATE yy_scan_string( yy_str ) yyconst YY_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 YY_CHAR *bytes, int len ) #else YY_BUFFER_STATE yy_scan_bytes( bytes, len ) yyconst YY_CHAR *bytes; int len; #endif { YY_BUFFER_STATE b; YY_CHAR *buf; yy_size_t n; int i;
/* Get memory for full buffer, including space for trailing EOB's. */ n = len + 2; buf = (YY_CHAR *) yy_flex_alloc( n ); if ( ! buf ) /*YY_FATAL_ERROR( L"out of dynamic memory in yy_scan_bytes()" );*/ throw(E_OUTOFMEMORY);
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( L"bad buffer in yy_scan_bytes()" );*/ throw(E_FAIL);
/* 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 %+ void YYLEXER::yy_push_state( int new_state ) %* { 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(L"out of memory expanding start-condition stack" );*/ throw(E_OUTOFMEMORY); }
yy_start_stack[yy_start_stack_ptr++] = YY_START;
BEGIN(new_state); } #endif
#ifndef YY_NO_POP_STATE %- static void yy_pop_state() %+ void YYLEXER::yy_pop_state() %* { if ( --yy_start_stack_ptr < 0 ) /*YY_FATAL_ERROR( L"start-condition stack underflow" );*/ throw(E_FAIL);
BEGIN(yy_start_stack[yy_start_stack_ptr]); } #endif
#ifndef YY_NO_TOP_STATE %- static int yy_top_state() %+ int YYLEXER::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 YY_CHAR msg[] ) #else static void yy_fatal_error( msg ) YY_CHAR msg[]; #endif { (void) fprintf( stderr, "%s\n", msg ); exit( YY_EXIT_FAILURE ); }
%+
void YYLEXER::LexerError( yyconst YY_CHAR msg[] ) { /* ******************************** Don't really want to do this ************************************ // UNDONE: 3/28/97 This needs to pass the error message back to yacc (or // store it in the error area itself! for (unsigned int i=0; i<wcslen(msg); i++) cerr << char(msg[i]); cerr << endl; exit( YY_EXIT_FAILURE ); ******************************** Don't really want to do this ************************************ */ } %*
/* 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( YY_CHAR *s1, yyconst YY_CHAR *s2, int n ) #else static void yy_flex_strncpy( s1, s2, n ) YY_CHAR *s1; yyconst YY_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 YY_CHAR *s ) #else static int yy_flex_strlen( s ) yyconst YY_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 (YY_CHAR *) in the following accommodates both * implementations that use YY_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( (YY_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
|