/* 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 /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ #ifdef c_plusplus #ifndef __cplusplus #define __cplusplus #endif #endif #ifdef __cplusplus #include #include /* 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 void *malloc( size_t ); void free( void* ); #else #include #endif /* __GNUC__ */ #define YY_USE_PROTOS #define YY_USE_CONST #endif /* __STDC__ */ #endif /* ! __cplusplus */ #ifdef __TURBOC__ #define YY_USE_CONST #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" ); #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 "flatten.lx" #define INITIAL 0 # line 2 "flatten.lx" /* flatten.lx (flex) lexer for concatenating "included" (La)TeX files * Written by Peter Wilson (Catholic University and NIST) * pwilson@cme.nist.gov */ char FILE_VERSION[] = "Version 1.1"; char FILE_DATE[] = "October 1995"; /* Version History: * 1.0 (December 1994): First release * 1.1 (October 1995): Added: * -- directory searching * -- use of \endinput to stop processing an included file */ /* Development of this software was funded by the United States Government * and is not subject to copyright. */ /* National Institute of Standards and Technology (NIST) * Manufacturing Engineering Laboratory (MEL) * Manufacturing Systems Integration Division (MSID) * ******************************************************************** * D I S C L A I M E R * * There is no warranty for the FLaTTeN software. * If the FLaTTeN software * is modified by someone else and passed on, NIST wants * the software's recipients to know that what they have is not what NIST * distributed. * * Policies * * 1. Anyone may copy and distribute verbatim copies of the * source code as received in any medium. * * 2. Anyone may modify your copy or copies of the FLaTTeN source * code or any portion of it, and copy and distribute such modifications * provided that all modifications are clearly associated with the entity * that performs the modifications. * * NO WARRANTY * =========== * * NIST PROVIDES ABSOLUTELY NO WARRANTY. THE FLaTTeN SOFTWARE * IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS * WITH YOU. SHOULD ANY PORTION OF THE FLaTTeN SOFTWARE PROVE DEFECTIVE, * YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. * * IN NO EVENT WILL NIST BE LIABLE FOR DAMAGES, * INCLUDING ANY LOST PROFITS, LOST MONIES, OR OTHER SPECIAL, * INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR * INABILITY TO USE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA * BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY THIRD PARTIES OR A * FAILURE OF THE PROGRAM TO OPERATE WITH PROGRAMS NOT DISTRIBUTED BY * NIST) THE PROGRAMS, EVEN IF YOU HAVE BEEN ADVISED OF THE POSSIBILITY OF * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. */ #include #include #include #include "getopt.h" #include "srchenv.h" typedef char *STRING; /* a pointer-to-a-char */ typedef STRING *PTRADR; /* A pointer-to-a-pointer-to-a-char */ #ifndef TRUE # define TRUE 1 #endif #ifndef FALSE # define FALSE 0 #endif # define MAX_DEPTH 100 /* max file nesting depth */ # define MAX_NAME 100 /* max length of a file name */ # define MY_EOS '\0' # define MAX_ERRORS 10 /* max number of errors */ FILE *filerr; /* error file */ FILE *filout; /* output file */ FILE *filin; /* input root file */ int kind; /* kind of file inclusion */ int depth = 0; /* depth of file nesting */ FILE *file_stack[MAX_DEPTH]; /* stack of files */ char *name_stack[MAX_DEPTH]; /* stack of file names */ YY_BUFFER_STATE buffer_stack[MAX_DEPTH]; /* stack of input buffers */ char filnam[MAX_NAME]; /* name of a file */ char extnam[MAX_NAME]; /* name of file with extension */ extern FILE *yyin; extern FILE *yyout; int DEBUG; /* >=1 for debugging */ int num_errors = 0; /* number of errors */ int lineno = 1; /* input file line number */ # define MAX_LINE 2000 /* max length of an input line */ char linebuf[MAX_LINE]; /* buffer for input line */ int linlen = 0; /* current no of chars in linebuf */ char verb_char; /* delimeter for \verb command */ FILE *filtabin; /* command input file */ int num_commands = 0; /* number of types of include commands */ # define MAX_TABLE_LINE 100 /* max number of chars in command table line */ # define MAX_COMMANDS 100 /* max number of inclusion commands */ STRING ctable[MAX_COMMANDS]; /* include command name table */ int lex_result; /* scratch integer for lexer */ /* Environment variable defined search path stuff */ char path_name[257]; /* name of a path */ char sys_envname[20]; /* name of environment variable */ char path_sep[10]; /* path name seperators */ char dir_cat; /* directory catenation char */ int senv_debug; /* =1 for debug searchenv() */ void packup(); char *strsave(); void yyerror(); void start_a_file(); void end_a_file(); void catl(); void warning(); void read_table(); int lookup(); void initialise_senv(); /* END OF C CODE TO BE COPIED TO OUTPUT */ /* TeX comments from % through eol and gobble following whitespace */ #define VERBATIM_STATE 1 #define VERB_STATE 2 #define IN_STATE 3 /* END OF DEFINITIONS SECTION */ # line 164 "flatten.lx" /* 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 = (FILE *) 0, *yyout = (FILE *) 0; #define YY_END_OF_BUFFER 20 typedef int yy_state_type; static const short int yy_accept[90] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 20, 18, 15, 18, 16, 18, 5, 3, 4, 9, 8, 13, 13, 12, 14, 0, 1, 16, 11, 11, 11, 11, 5, 0, 13, 13, 12, 14, 12, 14, 1, 11, 11, 11, 0, 11, 11, 11, 0, 11, 11, 11, 0, 0, 11, 11, 7, 7, 7, 0, 0, 0, 0, 11, 0, 0, 0, 11, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 6, 0, 0, 2, 2, 0 } ; static const YY_CHAR yy_ec[128] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 4, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 7, 1, 1, 1, 1, 8, 9, 6, 10, 11, 6, 12, 6, 13, 6, 6, 6, 14, 15, 6, 16, 6, 17, 6, 18, 19, 20, 6, 6, 6, 6, 21, 1, 22, 1, 1 } ; static const YY_CHAR yy_meta[23] = { 0, 1, 1, 2, 1, 1, 3, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 5, 5 } ; static const short int yy_base[101] = { 0, 0, 22, 3, 5, 159, 158, 9, 11, 160, 163, 163, 156, 0, 8, 0, 163, 147, 163, 163, 0, 13, 155, 154, 152, 152, 0, 0, 142, 137, 140, 0, 135, 0, 16, 147, 146, 145, 144, 143, 132, 133, 125, 131, 127, 126, 129, 18, 122, 121, 44, 34, 38, 39, 119, 163, 0, 0, 48, 123, 40, 50, 114, 115, 51, 120, 112, 120, 108, 0, 112, 104, 93, 74, 68, 62, 64, 64, 52, 61, 45, 54, 71, 57, 70, 61, 62, 67, 14, 163, 84, 89, 94, 99, 104, 11, 6, 109, 114, 118, 123 } ; static const short int yy_def[101] = { 0, 90, 90, 91, 91, 92, 92, 93, 93, 89, 89, 89, 94, 95, 96, 97, 89, 89, 89, 89, 98, 98, 89, 89, 94, 89, 95, 96, 96, 96, 96, 97, 89, 98, 98, 89, 89, 89, 89, 89, 96, 96, 96, 89, 96, 96, 96, 89, 96, 96, 99, 89, 89, 96, 96, 89, 100, 96, 89, 89, 89, 89, 96, 89, 89, 89, 96, 89, 89, 96, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 0, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89 } ; static const short int yy_nxt[186] = { 0, 10, 10, 11, 12, 10, 16, 14, 16, 27, 17, 21, 17, 21, 26, 34, 88, 28, 34, 29, 51, 10, 10, 10, 10, 11, 12, 10, 30, 14, 22, 23, 22, 23, 35, 36, 51, 35, 36, 52, 58, 60, 60, 10, 10, 55, 55, 80, 55, 56, 58, 55, 64, 64, 80, 52, 80, 81, 59, 85, 61, 61, 86, 85, 85, 55, 55, 82, 59, 88, 65, 65, 84, 84, 82, 83, 82, 79, 78, 87, 77, 76, 75, 87, 87, 13, 13, 13, 13, 13, 15, 15, 15, 15, 15, 18, 18, 18, 18, 18, 20, 20, 20, 20, 20, 24, 24, 24, 24, 24, 31, 74, 31, 73, 31, 33, 33, 33, 33, 57, 72, 57, 57, 57, 55, 71, 55, 55, 55, 70, 69, 68, 67, 66, 63, 62, 54, 53, 50, 49, 48, 47, 46, 45, 44, 39, 38, 37, 38, 37, 43, 42, 41, 40, 39, 25, 38, 37, 32, 25, 89, 19, 19, 9, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89 } ; static const short int yy_chk[186] = { 0, 1, 1, 1, 1, 1, 3, 1, 4, 96, 3, 7, 4, 8, 95, 21, 88, 14, 34, 14, 47, 1, 1, 2, 2, 2, 2, 2, 14, 2, 7, 7, 8, 8, 21, 21, 51, 34, 34, 47, 52, 53, 60, 2, 2, 50, 50, 80, 50, 50, 58, 50, 61, 64, 78, 51, 81, 78, 52, 83, 53, 60, 83, 85, 86, 50, 50, 80, 58, 87, 61, 64, 84, 82, 78, 79, 81, 77, 76, 83, 75, 74, 73, 85, 86, 90, 90, 90, 90, 90, 91, 91, 91, 91, 91, 92, 92, 92, 92, 92, 93, 93, 93, 93, 93, 94, 94, 94, 94, 94, 97, 72, 97, 71, 97, 98, 98, 98, 98, 99, 70, 99, 99, 99, 100, 68, 100, 100, 100, 67, 66, 65, 63, 62, 59, 54, 49, 48, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 32, 30, 29, 28, 25, 24, 23, 22, 17, 12, 9, 6, 5, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89 } ; 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 )); #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; /* START OF RULES SECTION */ /*--------------- expressions and actions -------------------*/ /* TeX comment */ 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; 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 >= 90 ) yy_c = yy_meta[yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; ++yy_cp; } while ( yy_current_state != 89 ); 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 170 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } lineno++; linebuf[0] = MY_EOS; linlen = 0; fprintf(filout, "%s", yytext); } YY_BREAK /* verbatims */ /* \begin{verbatim} */ case 2: # line 183 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } BEGIN VERBATIM_STATE; fprintf(filout, "%s", yytext); } YY_BREAK /* newline in verbatim */ case 3: # line 192 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } lineno++; linebuf[0] = MY_EOS; linlen = 0; fprintf(filout, "%s", yytext); } YY_BREAK /* backslash in verbatim */ case 4: # line 203 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } fprintf(filout, "%s", yytext); } YY_BREAK /* all except backslash and newline */ case 5: # line 211 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } fprintf(filout, "%s", yytext); } YY_BREAK /* \end{verbatim} */ case 6: # line 219 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } BEGIN 0; fprintf(filout, "%s", yytext); } YY_BREAK /* \verb (and its trailing char) */ case 7: # line 229 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } BEGIN VERB_STATE; fprintf(filout, "%s", yytext); verb_char = yytext[yyleng - 1]; } YY_BREAK /* newline inside \verb */ case 8: # line 239 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } lineno++; linebuf[0] = MY_EOS; linlen = 0; fprintf(filout, "%s", yytext); } YY_BREAK /* chars inside \verb */ case 9: # line 250 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } if (verb_char == yytext[0]) { BEGIN 0; } fprintf(filout, "%s", yytext); } YY_BREAK /*-------- endinput command ------*/ case 10: # line 263 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "\nlex DEBUG: End of input %s\n", name_stack[depth]); fflush(filerr); } if (depth > 0) { end_a_file(); yy_switch_to_buffer(buffer_stack[depth]); } else { return(EOF); } } YY_BREAK /*--------- includes? -------------*/ case 11: # line 279 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } lex_result = lookup(yytext); if (DEBUG) { fprintf(filerr, " (lookup=%d) ", lex_result); fflush(filerr); } if (lex_result >= 0) { /* found an include */ fprintf(filout, "%%%s", yytext); BEGIN IN_STATE; } else { fprintf(filout, "%s", yytext); } } YY_BREAK /* left brace */ case 12: # line 299 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } fprintf(filout, "%s", yytext); } YY_BREAK /* file name */ case 13: # line 309 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } strcpy(filnam, yytext); fprintf(filout, "%s", yytext); } YY_BREAK /* close brace */ case 14: # line 319 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } fprintf(filout, "%s\n", yytext); start_a_file(filnam); yy_switch_to_buffer(buffer_stack[depth]); if (DEBUG) { fprintf(filerr, "\nlex DEBUG: Start of file: %s\n", name_stack[depth]); fflush(filerr); } BEGIN 0; } YY_BREAK /*------------- uninteresting stuff -----------------*/ /* newline */ case 15: # line 337 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } lineno++; linebuf[0] = MY_EOS; linlen = 0; fprintf(filout, "%s", yytext); } YY_BREAK /* alphabetic string */ case 16: # line 349 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } fprintf(filout, "%s", yytext); } YY_BREAK /* End Of File */ case YY_STATE_EOF(INITIAL): case YY_STATE_EOF(VERBATIM_STATE): case YY_STATE_EOF(VERB_STATE): case YY_STATE_EOF(IN_STATE): # line 358 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "\nlex DEBUG: End of file %s\n", name_stack[depth]); fflush(filerr); } if (depth > 0) { end_a_file(); yy_switch_to_buffer(buffer_stack[depth]); } else { return(EOF); } } YY_BREAK /* anything else */ case 18: # line 373 "flatten.lx" { catl(yyleng, yytext); if (DEBUG) { fprintf(filerr, "%s", yytext); fflush(filerr); } fprintf(filout, "%s", yytext); } YY_BREAK /* END OF RULES SECTION */ case 19: # line 382 "flatten.lx" ECHO; YY_BREAK 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_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; yy_current_state = yy_start; 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 >= 90 ) 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 >= 90 ) yy_c = yy_meta[yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; yy_is_jam = (yy_current_state == 89); 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 382 "flatten.lx" /* START OF USER SUBROUTINE SECTION */ /* MAIN program */ main(argc, argv) int argc; char **argv; { char optchar; int n; FILE *file; int result; int i, j; char tabnam[100]; /* command table input file */ int TABLE = FALSE; /* print banner */ fprintf(stdout, "\n flatten: Source file inclusion for LaTeX files"); fprintf(stdout, "\n (%s, %s)\n", FILE_VERSION, FILE_DATE); /* open error log file */ file = fopen("flatten.err", "w"); if (!file) { fprintf(stderr, "\n Could not open file flatten.err\n"); exit(1); } filerr = file; fprintf(stdout, "\nError file is flatten.err\n"); fprintf(filerr, "Error file for program flatten (%s, %s)\n", FILE_VERSION, FILE_DATE); fprintf(filerr, "Author: Peter Wilson (Catholic University and NIST)\n"); fprintf(filerr, "Email any comments or suggestions to pwilson@cme.nist.gov\n\n"); /* set up for directory searching */ initialise_senv(); /* get command line optional parameters */ opterr = 1; /* getopt will print errors with opterr = 1 */ while (EOF != (optchar = getopt(argc,argv,"d:f:P:D:"))) { switch(optchar) { case '?': { /* command line error */ fprintf(stdout,"\nUsage [-d number] [-f tablename] [-P chars] [-D char] infile outfile\n"); fprintf(filerr,"\nUsage [-d number] [-f tablename] [-P chars] [-D char] infile outfile\n"); break; } case 'd': { /* switch on debugging */ senv_debug = atoi(optarg); if (senv_debug > 1) { /* debug everything */ DEBUG = 1; senv_debug = 1; fprintf(stdout, "All debugging set ON\n"); fprintf(filerr, "All debugging set ON\n"); } else if (senv_debug = 1) { /* debug directory search only */ fprintf(stdout, "Directory search debugging set ON\n"); fprintf(filerr, "Directory search debugging set ON\n"); } else { /* an error */ senv_debug = 0; fprintf(stdout, "Debug option error. Requires number greater than zero\n"); fprintf(filerr, "Debug option error. Requires number greater than zero\n"); } break; } case 'f': { /* commands in a file */ TABLE = TRUE; strcpy(tabnam, optarg); break; } case 'P': { /* pathname seperators */ strcpy(path_sep, optarg); strcat(path_sep, " "); fprintf(stdout,"Pathname seperators set to (%s)\n", path_sep); fprintf(filerr,"Pathname seperators set to (%s)\n", path_sep); break; } case 'D': { /* directory catenation char */ dir_cat = optarg[0]; fprintf(stdout,"Directory catenation character set to %c\n", dir_cat); fprintf(filerr,"Directory catenation character set to %c\n", dir_cat); break; } } } /* end of optional parameter processing */ if (TABLE) { /* open table file */ if (!searchenv(tabnam, sys_envname, path_name, path_sep, dir_cat, senv_debug)) { fprintf(stderr,"Fatal error: Could not find file %s\n", tabnam); exit(1); } file = fopen(path_name, "r"); if (!file) { fprintf(stderr, "Fatal error: Could not open file %s\n", path_name); exit(1); } filtabin = file; fprintf(stdout, "Command input file is %s\n", path_name); fprintf(filerr, "Command input file is %s\n", path_name); } else { fprintf(stdout, "Using default inclusion commands\n"); fprintf(filerr, "Using default inclusion commands\n"); } /* rest of parameters are file names (input and output) */ n = 0; for (;optind < argc; optind++) { n++; if (n == 1) { strcpy(filnam, argv[optind]); /* take copy of input file name */ file = fopen(argv[optind], "r"); if (!file) { fprintf(stderr,"\nCould not open input file %s\n",argv[optind]); fprintf(filerr,"\nCould not open input file %s\n",argv[optind]); exit(1); } fprintf(stdout,"\nReading file %s", argv[optind]); fprintf(filerr,"\nReading file %s", argv[optind]); filin = file; } else { if (n == 2) { file = fopen(argv[optind], "w"); if (!file) { fprintf(stderr,"\nCould not open output file %s\n",argv[optind]); fprintf(filerr,"\nCould not open output file %s\n",argv[optind]); exit(1); } fprintf(stdout," and writing to file %s\n",argv[optind]); fprintf(filerr," and writing to file %s\n",argv[optind]); filout = file; } else { fprintf(stderr,"\nOnly two files permitted. File %s ignored\n",argv[optind]); fprintf(filerr,"\nOnly two files permitted. File %s ignored\n",argv[optind]); } } } if (n == 0) { fprintf(stderr,"\nAn input and an output file are required.\n"); fprintf(filerr,"\nAn input and an output file are required.\n"); exit(1); } /* initialize file stacks */ file_stack[0] = filin; if (DEBUG) { fprintf(stderr, "\n DEBUG: Source filnam = %s", filnam); fprintf(filerr, "\n DEBUG: Source filnam = %s", filnam); fflush(filerr); } name_stack[0] = strsave(filnam); buffer_stack[0] = yy_create_buffer(filin, YY_BUF_SIZE); /* strcpy(name_stack[0], filnam); */ if (DEBUG) { fprintf(stderr, "\n DEBUG: filnam = %s", filnam); fprintf(stderr, "\n name_stack[0] = %s", name_stack[0]); fprintf(filerr, "\n DEBUG: filnam = %s", filnam); fprintf(filerr, "\n name_stack[0] = %s", name_stack[0]); fflush(filerr); } for (i = 1; i < MAX_DEPTH; i++) { file_stack[i] = NULL; name_stack[i] = NULL; } /* set up command table */ if (TABLE) { /* read commands */ read_table(); } else { /* use default commands */ ctable[0] = "\\input"; ctable[1] = "\\include"; num_commands = 2; } if (DEBUG) { /* print table */ fprintf(filerr, "\n COMMAND TABLE (%d commands)\n", num_commands); for (j = 0; j < num_commands; j++) { fprintf(filerr, "(%d) %s\n", j, ctable[j]); } fflush(filerr); } /* process input */ /* fprintf(filout, "File %s incorporates the following files:\n", name_stack[0]); */ fprintf(filerr, "\nProcessing root source file %s", name_stack[depth]); fprintf(stdout, "\nProcessing root source file %s", name_stack[depth]); fflush(filerr); for (;;) { /* yyin = file_stack[depth]; */ if (file_stack[depth] == NULL) { yyerror("FATAL ERROR: Null file name"); exit(1); } yy_switch_to_buffer(buffer_stack[depth]); result = yylex(); if (DEBUG) { fprintf(stderr, "\n DEBUG: Parse returned with result = %d",result); fprintf(filerr, "\n DEBUG: Parse returned with result = %d",result); fflush(filerr); } if (result == EOF) { /* end of current file */ if (depth <= 0) { /* end of all files */ fprintf(stdout, "\nEnd of root input file %s\n", name_stack[0]); fprintf(filerr, "\nEnd of root input file %s\n", name_stack[0]); fprintf(stdout, "\nCompleted file processing\n"); fprintf(filerr, "\nCompleted file processing\n"); packup(filin, filout, filerr); return(0); } else { /* pop stacks */ end_a_file(); } } else { /* new file inclusion */ start_a_file(filnam); } } /* end for loop */ } /* end MAIN */ /* ADDEXT adds a .tex extension to a file name */ int addext(in, out) char in[]; /* name as input */ char out[]; /* name with .tex extension */ { int i, n; int period; period = FALSE; for (i = 0; in[i] != MY_EOS; i++) { out[i] = in[i]; if (in[i] == '.') { period = TRUE; } } out[i] = MY_EOS; if (period == FALSE) { strcat(out, ".tex"); } return(period); } /* end ADDEXT */ /* PACKUP closes 3 files */ void packup(f1, f2, f3) FILE *f1; FILE *f2; FILE *f3; { fclose(f1); fclose(f2); fclose(f3); } /* end PACKUP */ /* STRSAVE saves a string somewhere */ char *strsave(s) char *s; /* string to be saved */ { char *p, *malloc(); if ((p = malloc(strlen(s)+1)) != NULL) { strcpy(p, s); return(p); } else { fprintf(stderr, "\nFATAL ERROR: Out of memory in STRSAVE\n"); fprintf(filerr, "\nFATAL ERROR: Out of memory in STRSAVE\n"); exit(1); } } /* end STRSAVE */ /* YYERROR prints parse error message */ void yyerror(s) char *s; /* string to be printed */ { fprintf(stderr, "\n%s in line\n%d: %s\n", s, lineno, linebuf); fprintf(filerr, "\n%s in line\n%d: %s\n", s, lineno, linebuf); num_errors++; if (num_errors >= MAX_ERRORS) { fprintf(stderr, "\n** Program ended with at least %d errors **\n", num_errors); fprintf(filerr, "\n** Program ended with at least %d errors **\n", num_errors); fprintf(yyout, "\n** Program ended with at least %d errors **\n", num_errors); exit(1); } } /* end YYERROR */ /* START_A_FILE starts a new input file */ void start_a_file(filnam) char filnam[]; /* name of file */ { char extnam[MAX_NAME]; FILE *file; int i; addext(filnam, extnam); /* add extension to file name */ if (depth >= MAX_DEPTH - 1) { fprintf(stderr, "\n File nesting too deep (over %d)\n", MAX_DEPTH); fprintf(filerr, "\n File nesting too deep (over %d)\n", MAX_DEPTH); fflush(filerr); packup(filin, filout, filerr); exit(0); } if (!searchenv(extnam, sys_envname, path_name, path_sep, dir_cat, senv_debug)) { fprintf(stderr,"\nCould not find file %s\n", extnam); fprintf(filerr,"\nCould not find file %s\n", extnam); fflush(filerr); fprintf(filout, "\n%%FLATTEN WARNING: Could not find file %s\n", extnam); fprintf(filout, "%% Skipping it\n"); return; } file = fopen(path_name, "r"); if (!file) { fprintf(stderr, "\n Could not open file %s\n", path_name); fprintf(filerr, "\n Could not open file %s\n", path_name); fflush(filerr); fprintf(filout, "\n%%FLATTEN WARNING: Could not open file %s\n", path_name); fprintf(filout, "%% Skipping it\n"); return; } depth++; name_stack[depth] = strsave(path_name); file_stack[depth] = file; buffer_stack[depth] = yy_create_buffer(file, YY_BUF_SIZE); if (DEBUG) { fprintf(filerr, "\n DEBUG (start_a_file): depth = %d", depth); fflush(filerr); for (i = 0; i <= depth; i++) { fprintf(filerr, "\n depth = %d, name_stack = %s", i, name_stack[i]); } fprintf(filerr, "\n DEBUG (start_a_file): New file is %s", name_stack[depth]); fprintf(stdout, "\n DEBUG (start_a_file): New file is %s", name_stack[depth]); fflush(filerr); } fprintf(stdout, "\nProcessing file %s as %s", filnam, name_stack[depth]); fprintf(filerr, "\nProcessing file %s as %s", filnam, name_stack[depth]); fflush(filerr); } /* end START_A_FILE */ /* END_A_FILE closes down a file */ void end_a_file() { int i; fprintf(filout, "%% END OF FILE %s\n", name_stack[depth]); fprintf(stdout, "\n End of file %s", name_stack[depth]); fprintf(filerr, "\n End of file %s", name_stack[depth]); fflush(filerr); if (DEBUG) { fprintf(filerr, "\n DEBUG (end_a_file): depth = %d", depth); for (i = 0; i <= depth; i++) { fprintf(filerr, "\n depth = %d, name_stack = %s", i, name_stack[i]); fflush(filerr); } fprintf(filerr, "\n DEBUG (end_a_file): Old file was %s", name_stack[depth]); fprintf(stdout, "\n DEBUG (end_a_file): Old file was %s", name_stack[depth]); fflush(filerr); } /* pop stack */ fclose(file_stack[depth]); file_stack[depth] = NULL; free(name_stack[depth]); name_stack[depth] = NULL; yy_delete_buffer(buffer_stack[depth]); depth--; if (depth < 0) { yyerror("Nesting depth gone negative"); depth = 0; } } /* end END_A_FILE */ /* WARNING prints a warning */ void warning(s) char *s; { fprintf(stderr, "\nWARNING: %s in line\n%d: %s\n", s, lineno, linebuf); fprintf(filerr, "\nWARNING: %s in line\n%d: %s\n", s, lineno, linebuf); fflush(filerr); } /* end WARNING */ /* CATL concatenates S to line buffer */ void catl(n,s) int n; /* no of chars in s */ char *s; { linlen = linlen + n; /* current no. of chars to be in linebuf */ if (linlen >= MAX_LINE) { /* linebuf will overflow */ warning("A very long line. Internal buffer size exceeded"); linebuf[0] = '\0'; linlen = n; } strcat(linebuf, s); } /* end CATL */ /* READ_TABLE sets up commands from filtabin */ void read_table() { char line[MAX_TABLE_LINE]; char code_name[MAX_TABLE_LINE]; int num_names; while ( fgets(line, MAX_TABLE_LINE, filtabin) != NULL) { /* read a line */ /* get first name on line */ num_names = sscanf(line, "%s", code_name); if (num_names == 0) { /* ignore blank line */ ; } else { /* add to table */ if (num_commands >= MAX_COMMANDS) { /* overflow */ fprintf(stderr, "\nWARNING Too many commands, limited to %d\n", MAX_COMMANDS); fprintf(filerr, "\nWARNING Too many commands, limited to %d\n", MAX_COMMANDS); fflush(filerr); return; } ctable[num_commands] = strsave(code_name); num_commands++; } } } /* end READ_TABLE */ /* LOOKUP searches for str in ctable */ int lookup(str) char str[]; { int i; for (i = 0; i < num_commands; i++) { if (strcmp(ctable[i], str) == 0) { /* found it */ return(i); } } return(-1); } /* end LOOKUP */ /* INITIALISE_SENV initialises path searching */ void initialise_senv() { strcpy(sys_envname,"FLATINPUTS"); /* the environment variable name */ strcpy(path_sep," :;"); /* path seperators */ dir_cat = '/'; /* directory catenation char */ senv_debug = 0; /* debugging off */ } /* end INITIALISE_SENV */