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- /* A lexical scanner generated by flex */
-
- /* scanner skeleton version:
- * $Header: /usr/fsys/odin/a/vern/flex/RCS/flex.skel,v 2.16 90/08/03 14:09:36 vern Exp $
- */
-
- #define FLEX_SCANNER
-
- #include <stdio.h>
-
-
- /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
- #ifdef c_plusplus
- #ifndef __cplusplus
- #define __cplusplus
- #endif
- #endif
-
-
- #ifdef __cplusplus
-
- #include <stdlib.h>
- #include <osfcn.h>
-
- /* use prototypes in function declarations */
- #define YY_USE_PROTOS
-
- /* the "const" storage-class-modifier is valid */
- #define YY_USE_CONST
-
- #else /* ! __cplusplus */
-
- #ifdef __STDC__
-
- #ifdef __GNUC__
- #include <stddef.h>
- void *malloc( size_t );
- void free( void* );
- #else
- #include <stdlib.h>
- #endif /* __GNUC__ */
-
- #define YY_USE_PROTOS
- #define YY_USE_CONST
-
- #endif /* __STDC__ */
- #endif /* ! __cplusplus */
-
-
- #if defined(__TURBOC__) || defined(MSDOS)
- #include <stdlib.h>
- #include <io.h>
- #define YY_USE_CONST
- #define YY_USE_PROTOS
- #endif
-
- #ifndef YY_USE_CONST
- #define const
- #endif
-
- #ifdef YY_USE_PROTOS
- #define YY_PROTO(proto) proto
- #else
- #define YY_PROTO(proto) ()
- /* we can't get here if it's an ANSI C compiler, or a C++ compiler,
- * so it's got to be a K&R compiler, and therefore there's no standard
- * place from which to include these definitions
- */
- char *malloc();
- int free();
- int read();
- #endif
-
-
- /* amount of stuff to slurp up with each read */
- #ifndef YY_READ_BUF_SIZE
- #define YY_READ_BUF_SIZE 8192
- #endif
-
- /* returned upon end-of-file */
- #define YY_END_TOK 0
-
- /* copy whatever the last rule matched to the standard output */
-
- /* cast to (char *) is because for 8-bit chars, yytext is (unsigned char *) */
- /* this used to be an fputs(), but since the string might contain NUL's,
- * we now use fwrite()
- */
- #define ECHO (void) fwrite( (char *) yytext, yyleng, 1, yyout )
-
- /* gets input and stuffs it into "buf". number of characters read, or YY_NULL,
- * is returned in "result".
- */
- #define YY_INPUT(buf,result,max_size) \
- if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \
- YY_FATAL_ERROR( "read() in flex scanner failed" );\
- else yy_strip_high_bits(buf,result);
- #define YY_NULL 0
-
- /* 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.
- */
- #define yyterminate() return ( YY_NULL )
-
- /* report a fatal error */
-
- /* The funky do-while is used to turn this macro definition into
- * a single C statement (which needs a semi-colon terminator).
- * This avoids problems with code like:
- *
- * if ( something_happens )
- * YY_FATAL_ERROR( "oops, the something happened" );
- * else
- * everything_okay();
- *
- * 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 YY_FATAL_ERROR() call.
- */
-
- #define YY_FATAL_ERROR(msg) \
- do \
- { \
- (void) fputs( msg, stderr ); \
- (void) putc( '\n', stderr ); \
- exit( 1 ); \
- } \
- while ( 0 )
-
- /* default yywrap function - always treat EOF as an EOF */
- #define yywrap() 1
-
- /* 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 *
-
- /* 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 \
- do \
- { \
- yy_init_buffer( yy_current_buffer, yyin ); \
- yy_load_buffer_state(); \
- } \
- while ( 0 )
-
- /* default declaration of generated scanner - a define so the user can
- * easily add parameters
- */
- #define YY_DECL int yylex YY_PROTO(( void ))
-
- /* code executed at the end of each rule */
- #define YY_BREAK break;
-
- #define YY_END_OF_BUFFER_CHAR 0
-
- #ifndef YY_BUF_SIZE
- #define YY_BUF_SIZE (YY_READ_BUF_SIZE * 2) /* size of default input buffer */
- #endif
-
- typedef struct yy_buffer_state *YY_BUFFER_STATE;
-
- #define YY_CHAR char
- # line 1 "c_lines.l"
- #define INITIAL 0
- # line 2 "c_lines.l"
- #include <string.h>
-
- /* These are counts on a per-file basis. (ie. number of whatever's in */
- /* the current file. */
-
- unsigned nl=0; /* lines */
- unsigned ppd=0; /* pre-processor directives */
- unsigned comments=0; /* comments ( of course ) */
- unsigned comment_lines=0; /* lines occupied by comments */
- unsigned fl_cpp=0; /* lines occupied only by c++ comments */
- unsigned skipped=0; /* lines skipped due to #if 0 directives*/
- unsigned files=0; /* files we've looked at */
-
- unsigned nested=0; /* nesting level of pre-processor lines */
-
- /* this is a list of extensions to search for if none is given */
- /* if you modify it, be sure to keep a NULL as the last entry */
- char *extensions[] = {
- ".C",".CPP",".CXX",".H",".HPP",".HXX",".CC",NULL
- };
-
- unsigned matched=0;
-
- #define SKIP 1
- #define COMMENT 2
- # line 30 "c_lines.l"
-
- /* done after the current pattern has been matched and before the
- * corresponding action - sets up yytext
- */
- #define YY_DO_BEFORE_ACTION \
- yytext = yy_bp; \
- yyleng = yy_cp - yy_bp; \
- yy_hold_char = *yy_cp; \
- *yy_cp = '\0'; \
- yy_c_buf_p = yy_cp;
-
- #define EOB_ACT_CONTINUE_SCAN 0
- #define EOB_ACT_END_OF_FILE 1
- #define EOB_ACT_LAST_MATCH 2
-
- /* return all but the first 'n' matched characters back to the input stream */
- #define yyless(n) \
- do \
- { \
- /* undo effects of setting up yytext */ \
- *yy_cp = yy_hold_char; \
- yy_c_buf_p = yy_cp = yy_bp + n; \
- YY_DO_BEFORE_ACTION; /* set up yytext again */ \
- } \
- while ( 0 )
-
- #define unput(c) yyunput( c, yytext )
-
-
- struct yy_buffer_state
- {
- FILE *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*/
- int yy_buf_size;
-
- /* number of characters read into yy_ch_buf, not including EOB characters */
- int yy_n_chars;
-
- int yy_eof_status; /* whether we've seen an EOF on this buffer */
- #define EOF_NOT_SEEN 0
- /* "pending" happens when the EOF has been seen but there's still
- * some text process
- */
- #define EOF_PENDING 1
- #define EOF_DONE 2
- };
-
- static YY_BUFFER_STATE yy_current_buffer;
-
- /* 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 YY_CHAR yy_hold_char;
-
- static int yy_n_chars; /* number of characters read into yy_ch_buf */
-
-
-
- #ifndef YY_USER_ACTION
- #define YY_USER_ACTION
- #endif
-
- #ifndef YY_USER_INIT
- #define YY_USER_INIT
- #endif
-
- extern YY_CHAR *yytext;
- extern int yyleng;
- extern FILE *yyin, *yyout;
-
- YY_CHAR *yytext;
- int yyleng;
-
- FILE *yyin = stdin, *yyout = stdout;
-
- #define YY_END_OF_BUFFER 18
- typedef int yy_state_type;
- static const short int yy_accept[64] =
- { 0,
- 0, 0, 0, 0, 0, 0, 18, 16, 15, 16,
- 16, 16, 16, 16, 5, 16, 3, 16, 16, 8,
- 16, 0, 13, 0, 0, 0, 12, 7, 0, 0,
- 5, 0, 0, 0, 0, 0, 0, 0, 0, 9,
- 0, 13, 0, 14, 0, 0, 11, 0, 0, 10,
- 0, 0, 4, 0, 0, 0, 0, 0, 6, 1,
- 0, 2, 0
- } ;
-
- static const YY_CHAR yy_ec[128] =
- { 0,
- 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
- 2, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 2, 1, 4, 5, 1, 1, 1, 6, 1,
- 1, 7, 1, 1, 1, 1, 8, 9, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 10,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 11, 1, 1, 1, 1, 1, 1, 1, 12,
-
- 13, 14, 1, 1, 15, 1, 1, 16, 1, 17,
- 1, 1, 1, 1, 18, 1, 1, 1, 1, 10,
- 1, 1, 1, 1, 1, 1, 1
- } ;
-
- static const YY_CHAR yy_meta[19] =
- { 0,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1
- } ;
-
- static const short int yy_base[71] =
- { 0,
- 0, 7, 13, 18, 22, 0, 93, 94, 94, 23,
- 81, 83, 23, 0, 30, 28, 94, 35, 44, 94,
- 82, 37, 94, 57, 83, 29, 94, 94, 85, 42,
- 40, 41, 73, 83, 47, 0, 0, 34, 71, 94,
- 54, 58, 67, 94, 78, 80, 94, 64, 79, 94,
- 63, 68, 94, 65, 76, 64, 61, 72, 94, 94,
- 58, 94, 94, 63, 62, 53, 52, 32, 17, 0
- } ;
-
- static const short int yy_def[71] =
- { 0,
- 64, 64, 64, 64, 64, 5, 63, 63, 63, 65,
- 66, 63, 63, 63, 63, 63, 63, 63, 63, 63,
- 63, 65, 63, 67, 63, 63, 63, 63, 68, 63,
- 63, 63, 63, 69, 63, 19, 19, 63, 63, 63,
- 65, 65, 67, 63, 63, 68, 63, 63, 69, 63,
- 63, 63, 63, 63, 70, 63, 63, 70, 63, 63,
- 63, 63, 0, 63, 63, 63, 63, 63, 63, 63
- } ;
-
- static const short int yy_nxt[113] =
- { 0,
- 58, 30, 9, 10, 31, 11, 12, 13, 14, 9,
- 10, 15, 11, 12, 16, 17, 10, 49, 11, 18,
- 17, 10, 19, 11, 20, 10, 23, 11, 21, 28,
- 29, 32, 46, 24, 28, 34, 35, 45, 45, 36,
- 23, 32, 32, 30, 33, 37, 31, 24, 35, 51,
- 52, 36, 41, 25, 33, 33, 38, 23, 39, 22,
- 42, 23, 22, 8, 24, 54, 54, 43, 24, 22,
- 42, 62, 55, 55, 59, 61, 60, 43, 59, 57,
- 56, 50, 47, 44, 53, 50, 48, 47, 44, 40,
- 27, 26, 63, 7, 63, 63, 63, 63, 63, 63,
-
- 63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
- 63, 63
- } ;
-
- static const short int yy_chk[113] =
- { 0,
- 70, 14, 1, 1, 14, 1, 1, 1, 2, 2,
- 2, 2, 2, 2, 2, 3, 3, 69, 3, 4,
- 4, 4, 4, 4, 5, 5, 10, 5, 5, 13,
- 13, 15, 68, 10, 16, 16, 18, 26, 26, 18,
- 22, 31, 32, 30, 15, 19, 30, 22, 35, 38,
- 38, 35, 67, 66, 31, 32, 19, 41, 19, 24,
- 24, 42, 65, 64, 41, 48, 54, 24, 42, 43,
- 43, 61, 48, 54, 58, 57, 56, 43, 55, 52,
- 51, 49, 46, 45, 39, 34, 33, 29, 25, 21,
- 12, 11, 7, 63, 63, 63, 63, 63, 63, 63,
-
- 63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
- 63, 63
- } ;
-
- static yy_state_type yy_last_accepting_state;
- static YY_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
-
- /* these variables are all declared out here so that section 3 code can
- * manipulate them
- */
- /* 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 yywrap()'s to do buffer switches
- * instead of setting up a fresh yyin. A bit of a hack ...
- */
- static int yy_did_buffer_switch_on_eof;
-
- static 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 yyunput YY_PROTO(( YY_CHAR c, YY_CHAR *buf_ptr ));
- void yyrestart YY_PROTO(( FILE *input_file ));
- void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
- void yy_load_buffer_state YY_PROTO(( void ));
- YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
- void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
- void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
- void strip_high_bits YY_PROTO(( YY_CHAR *buf,size_t len));
- #define yy_new_buffer yy_create_buffer
-
- #ifdef __cplusplus
- static int yyinput YY_PROTO(( void ));
- #else
- static int input YY_PROTO(( void ));
- #endif
-
- YY_DECL
- {
- register yy_state_type yy_current_state;
- register YY_CHAR *yy_cp, *yy_bp;
- register int yy_act;
-
-
-
-
- if ( yy_init )
- {
- YY_USER_INIT;
-
- if ( ! yy_start )
- yy_start = 1; /* first start state */
-
- if ( ! yyin )
- yyin = stdin;
-
- if ( ! yyout )
- yyout = stdout;
-
- if ( yy_current_buffer )
- yy_init_buffer( yy_current_buffer, yyin );
- else
- yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
-
- yy_load_buffer_state();
-
- yy_init = 0;
- }
-
- while ( 1 ) /* loops until end-of-file is reached */
- {
- 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;
- if ( yy_bp[-1] == '\n' )
- ++yy_current_state;
- yy_match:
- do
- {
- register YY_CHAR yy_c = yy_ec[*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 = yy_def[yy_current_state];
- if ( yy_current_state >= 64 )
- yy_c = yy_meta[yy_c];
- }
- yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
- ++yy_cp;
- }
- while ( yy_current_state != 63 );
- yy_cp = yy_last_accepting_cpos;
- yy_current_state = yy_last_accepting_state;
-
- yy_find_action:
- yy_act = yy_accept[yy_current_state];
-
- YY_DO_BEFORE_ACTION;
- YY_USER_ACTION;
-
- do_action: /* this label is used only to access EOF actions */
-
-
- switch ( yy_act )
- {
- case 0: /* must backtrack */
- /* 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:
- # line 32 "c_lines.l"
- {
- if (--nested == 0)
- BEGIN INITIAL;
- }
- YY_BREAK
- case 2:
- # line 37 "c_lines.l"
- {
- ppd++;
- if (--nested==0)
- BEGIN INITIAL;
- }
- YY_BREAK
- case 3:
- # line 43 "c_lines.l"
- { skipped++; }
- YY_BREAK
- case 4:
- # line 45 "c_lines.l"
- { nested++; }
- YY_BREAK
- case 5:
- # line 47 "c_lines.l"
- {
- ppd++;
- }
- YY_BREAK
- case 6:
- *yy_cp = yy_hold_char; /* undo effects of setting up yytext */
- yy_c_buf_p = yy_cp -= 1;
- YY_DO_BEFORE_ACTION; /* set up yytext again */
- # line 51 "c_lines.l"
- {
- ppd++;
- nested++;
- BEGIN SKIP;
- }
- YY_BREAK
- case 7:
- # line 57 "c_lines.l"
- {
- comments++;
- BEGIN COMMENT;
- }
- YY_BREAK
- case 8:
- # line 62 "c_lines.l"
- {
- comment_lines++;
- }
- YY_BREAK
- case 9:
- # line 66 "c_lines.l"
- {
- BEGIN INITIAL;
- }
- YY_BREAK
- case 10:
- *yy_cp = yy_hold_char; /* undo effects of setting up yytext */
- yy_c_buf_p = yy_cp -= 1;
- YY_DO_BEFORE_ACTION; /* set up yytext again */
- # line 70 "c_lines.l"
- {
- fl_cpp++;
- comments++;
- comment_lines++;
- }
- YY_BREAK
- case 11:
- *yy_cp = yy_hold_char; /* undo effects of setting up yytext */
- yy_c_buf_p = yy_cp -= 1;
- YY_DO_BEFORE_ACTION; /* set up yytext again */
- # line 76 "c_lines.l"
- {
- comments++;
- }
- YY_BREAK
- case 12:
- # line 80 "c_lines.l"
- {
- printf("found unmatched close-comment");
- }
- YY_BREAK
- case 13:
- # line 84 "c_lines.l"
- ; /* This recognizes and ignores string constants */
- YY_BREAK
- case 14:
- # line 85 "c_lines.l"
- ; /* This does the same for character constants */
- YY_BREAK
- case 15:
- # line 86 "c_lines.l"
- nl++;
- YY_BREAK
- case 16:
- # line 88 "c_lines.l"
- ;
- YY_BREAK
- case 17:
- # line 90 "c_lines.l"
- ECHO;
- YY_BREAK
- case YY_STATE_EOF(INITIAL):
- case YY_STATE_EOF(SKIP):
- case YY_STATE_EOF(COMMENT):
- yyterminate();
-
- case YY_END_OF_BUFFER:
- {
- /* amount of text matched not including the EOB char */
- int yy_amount_of_matched_text = yy_cp - yytext - 1;
-
- /* undo the effects of YY_DO_BEFORE_ACTION */
- *yy_cp = yy_hold_char;
-
- /* 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 yyinput().
- */
- 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 + 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 + 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_last_accepting_cpos;
- yy_current_state = yy_last_accepting_state;
- 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 + YY_MORE_ADJ;
-
- yy_act = YY_STATE_EOF((yy_start - 1) / 2);
- 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 + yy_amount_of_matched_text;
-
- yy_current_state = yy_get_previous_state();
-
- yy_cp = yy_c_buf_p;
- yy_bp = yytext + 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 + YY_MORE_ADJ;
- goto yy_find_action;
- }
- break;
- }
-
- default:
- #ifdef FLEX_DEBUG
- printf( "action # %d\n", yy_act );
- #endif
- YY_FATAL_ERROR(
- "fatal flex scanner internal error--no action found" );
- }
- }
- }
-
- /*
- yy_strip_high_bits(char *buf, size_t length )
- Turn any character in 'buf' with it's high bit set into a space.
- Processes 'length' characters.
- Added Jan 1992, by Jerry Coffin.
- */
-
- yy_strip_high_bits(YY_CHAR *buf,size_t length) {
-
- size_t i=length;
-
- for (;i;i--)
- if (buf[i] & 0x80 )
- buf[i]=' ';
- }
-
-
- /* yy_get_next_buffer - try to read in a new buffer
- *
- * synopsis
- * int yy_get_next_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 YY_CHAR *dest = yy_current_buffer->yy_ch_buf;
- register YY_CHAR *source = yytext - 1; /* copy prev. char, too */
- register int number_to_move, i;
- int ret_val;
-
- if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
- YY_FATAL_ERROR(
- "fatal flex scanner internal error--end of buffer missed" );
-
- /* try to read more data */
-
- /* first move last chars to start of buffer */
- number_to_move = yy_c_buf_p - yytext;
-
- for ( i = 0; i < number_to_move; ++i )
- *(dest++) = *(source++);
-
- if ( yy_current_buffer->yy_eof_status != EOF_NOT_SEEN )
- /* don't do the read, it's not guaranteed to return an EOF,
- * just force an EOF
- */
- yy_n_chars = 0;
-
- else
- {
- int num_to_read = yy_current_buffer->yy_buf_size - number_to_move - 1;
-
- if ( num_to_read > YY_READ_BUF_SIZE )
- num_to_read = YY_READ_BUF_SIZE;
-
- else if ( num_to_read <= 0 )
- YY_FATAL_ERROR( "fatal error - scanner input buffer overflow" );
-
- /* read in more data */
- YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
- yy_n_chars, num_to_read );
- }
-
- if ( yy_n_chars == 0 )
- {
- if ( number_to_move == 1 )
- {
- ret_val = EOB_ACT_END_OF_FILE;
- yy_current_buffer->yy_eof_status = EOF_DONE;
- }
-
- else
- {
- ret_val = EOB_ACT_LAST_MATCH;
- yy_current_buffer->yy_eof_status = EOF_PENDING;
- }
- }
-
- else
- ret_val = EOB_ACT_CONTINUE_SCAN;
-
- yy_n_chars += number_to_move;
- yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
- yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
-
- /* yytext begins at the second character in yy_ch_buf; the first
- * character is the one which preceded it before reading in the latest
- * buffer; it needs to be kept around in case it's a newline, so
- * yy_get_previous_state() will have with '^' rules active
- */
-
- yytext = &yy_current_buffer->yy_ch_buf[1];
-
- return ( ret_val );
- }
-
-
- /* yy_get_previous_state - get the state just before the EOB char was reached
- *
- * synopsis
- * yy_state_type yy_get_previous_state();
- */
-
- static yy_state_type yy_get_previous_state()
-
- {
- register yy_state_type yy_current_state;
- register YY_CHAR *yy_cp;
-
- register YY_CHAR *yy_bp = yytext;
-
- yy_current_state = yy_start;
- if ( yy_bp[-1] == '\n' )
- ++yy_current_state;
-
- for ( yy_cp = yytext + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
- {
- register YY_CHAR yy_c = (*yy_cp ? yy_ec[*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 = yy_def[yy_current_state];
- if ( yy_current_state >= 64 )
- yy_c = yy_meta[yy_c];
- }
- yy_current_state = yy_nxt[yy_base[yy_current_state] + 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( register yy_state_type yy_current_state )
- #else
- static yy_state_type yy_try_NUL_trans( yy_current_state )
- register yy_state_type yy_current_state;
- #endif
-
- {
- register int yy_is_jam;
- register YY_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 = yy_def[yy_current_state];
- if ( yy_current_state >= 64 )
- yy_c = yy_meta[yy_c];
- }
- yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
- yy_is_jam = (yy_current_state == 63);
-
- return ( yy_is_jam ? 0 : yy_current_state );
- }
-
-
- #ifdef YY_USE_PROTOS
- static void yyunput( YY_CHAR c, register YY_CHAR *yy_bp )
- #else
- static void yyunput( c, yy_bp )
- YY_CHAR c;
- register YY_CHAR *yy_bp;
- #endif
-
- {
- 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 */
- register int number_to_move = yy_n_chars + 2; /* +2 for EOB chars */
- 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 += dest - source;
- yy_bp += dest - source;
- yy_n_chars = yy_current_buffer->yy_buf_size;
-
- if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
- YY_FATAL_ERROR( "flex scanner push-back overflow" );
- }
-
- if ( yy_cp > yy_bp && yy_cp[-1] == '\n' )
- yy_cp[-2] = '\n';
-
- *--yy_cp = c;
-
- /* note: the formal parameter *must* be called "yy_bp" for this
- * macro to now work correctly
- */
- YY_DO_BEFORE_ACTION; /* set up yytext again */
- }
-
-
- #ifdef __cplusplus
- static int yyinput()
- #else
- static int input()
- #endif
-
- {
- int c;
- YY_CHAR *yy_cp = yy_c_buf_p;
-
- *yy_cp = yy_hold_char;
-
- if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
- {
- /* yy_c_buf_p now points to the character we want to return.
- * If this occurs *before* the EOB characters, then it's a
- * valid NUL; if not, then we've hit the end of the buffer.
- */
- if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
- /* this was really a NUL */
- *yy_c_buf_p = '\0';
-
- else
- { /* need more input */
- yytext = yy_c_buf_p;
- ++yy_c_buf_p;
-
- switch ( yy_get_next_buffer() )
- {
- case EOB_ACT_END_OF_FILE:
- {
- if ( yywrap() )
- {
- yy_c_buf_p = yytext + YY_MORE_ADJ;
- return ( EOF );
- }
-
- YY_NEW_FILE;
-
- #ifdef __cplusplus
- return ( yyinput() );
- #else
- return ( input() );
- #endif
- }
- break;
-
- case EOB_ACT_CONTINUE_SCAN:
- yy_c_buf_p = yytext + YY_MORE_ADJ;
- break;
-
- case EOB_ACT_LAST_MATCH:
- #ifdef __cplusplus
- YY_FATAL_ERROR( "unexpected last match in yyinput()" );
- #else
- YY_FATAL_ERROR( "unexpected last match in input()" );
- #endif
- }
- }
- }
-
- c = *yy_c_buf_p;
- yy_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
-
- {
- 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 = 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) malloc( 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 = (YY_CHAR *) malloc( (unsigned) (b->yy_buf_size + 2) );
-
- if ( ! b->yy_ch_buf )
- YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
-
- yy_init_buffer( b, file );
-
- return ( b );
- }
-
-
- #ifdef YY_USE_PROTOS
- void yy_delete_buffer( YY_BUFFER_STATE b )
- #else
- void yy_delete_buffer( b )
- YY_BUFFER_STATE b;
- #endif
-
- {
- if ( b == yy_current_buffer )
- yy_current_buffer = (YY_BUFFER_STATE) 0;
-
- free( (char *) b->yy_ch_buf );
- free( (char *) b );
- }
-
-
- #ifdef YY_USE_PROTOS
- void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
- #else
- void yy_init_buffer( b, file )
- YY_BUFFER_STATE b;
- FILE *file;
- #endif
-
- {
- b->yy_input_file = file;
-
- /* we put in the '\n' and start reading from [1] so that an
- * initial match-at-newline will be true.
- */
-
- b->yy_ch_buf[0] = '\n';
- b->yy_n_chars = 1;
-
- /* we always need two end-of-buffer characters. The first causes
- * a transition to the end-of-buffer state. The second causes
- * a jam in that state.
- */
- b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
- b->yy_ch_buf[2] = YY_END_OF_BUFFER_CHAR;
-
- b->yy_buf_pos = &b->yy_ch_buf[1];
-
- b->yy_eof_status = EOF_NOT_SEEN;
- }
- # line 90 "c_lines.l"
-
-
- int main(int argc,char **argv) {
-
- #ifdef __TURBOC__
- #include <stdlib.h>
- #define _MAX_PATH MAXPATH
- #endif
-
- unsigned tppd=0,tnl=0,tl=0;
- unsigned total_comments=0,total_comment_lines=0;
- unsigned total_skipped=0;
- char file_name[_MAX_PATH];
- char **extension;
- char *end;
-
- if (argc<2) {
- /* read standard input if no file name supplied */
- yylex();
- nl-=ppd+fl_cpp;
- tppd+=ppd;
- tnl+=nl;
- total_comments+=comments;
- total_comment_lines+=comment_lines;
- total_skipped+=skipped;
- tl+=fl_cpp+ppd+nl+comment_lines+skipped;
- files=2;
- }
-
- else while (--argc) {
-
- nl=ppd=fl_cpp=comments=comment_lines=skipped=0;
-
- /* otherwise, open each file supplied in turn. */
- strcpy(file_name,*++argv);
- end=strchr(file_name,'\0');
- if ((yyin=fopen(file_name,"r"))==NULL && strchr(*argv,'.')==NULL) {
- for (extension=extensions;**extension;extension++) {
- strcpy(end,*extension);
- if ((yyin=fopen(file_name,"r"))!=NULL)
- break;
- }
- }
- if (yyin==NULL) {
- printf("\n\nError: Unable to open %s\n",*argv);
- continue;
- }
- files++;
- yylex(); /* do dirty work on file itself */
- /* subtract preprocessor lines and full-line */
- /* c++ comments to get number of code lines. */
- /* new-lines contained in normal comments are */
- /* dealt with in the rule for comments */
- nl-=ppd+fl_cpp;
- /* report what we found */
- printf("\n\t\"%s\" contains:"
- "\n%u preprocessor directives, %u comments on %u lines,"
- "\n%u lines skipped due to pre-processor directives"
- "\nand %u lines of code, for a total of %u lines",
- file_name,ppd,comments,comment_lines,skipped,nl,
- ppd+nl+comment_lines+skipped);
- /* current file's stats to totals */
- tppd+=ppd;
- tnl+=nl;
- total_comments+=comments;
- total_comment_lines+=comment_lines;
- total_skipped+=skipped;
- tl+=fl_cpp+ppd+nl+comment_lines+skipped;
- /* reset yylex() so we can do another file. If */
- /* this isn't done, it won't read other files */
- /* after it has reached te end of the first one. */
- /* This particular call is specific to Flex. */
- /* lex, LeX, etc. use other mechanisms. LeX */
- /* requires that you open files with ii_newfile() */
- /* I'm not sure how reall AT&T lex deals with this. */
- yyrestart(yyin);
- fclose(yyin);
- }
- /* print final totals */
- if (files>1)
- printf("\n\tTotals:"
- "\n%u preprocessor directives, %u comments on %u lines,"
- "\n%u lines skipped due to pre-processor directives"
- "\nand %u lines of code, for a grand total of %u lines"
- "\nmodules average %d lines",
- tppd,total_comments,total_comment_lines,total_skipped,tnl,tl,tl/files);
- /* and we're outta here ! */
- return 0;
- }
-