=================================================================== RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/lex/flexdef.h,v retrieving revision 1.8 retrieving revision 1.9 diff -u -r1.8 -r1.9 --- src/usr.bin/lex/flexdef.h 2015/10/10 05:47:54 1.8 +++ src/usr.bin/lex/flexdef.h 2015/11/19 19:43:40 1.9 @@ -1,84 +1,113 @@ -/* $OpenBSD: flexdef.h,v 1.8 2015/10/10 05:47:54 deraadt Exp $ */ +/* $OpenBSD: flexdef.h,v 1.9 2015/11/19 19:43:40 tedu Exp $ */ /* flexdef - definitions file for flex */ -/*- - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Vern Paxson. - * - * The United States Government has rights in this work pursuant - * to contract no. DE-AC03-76SF00098 between the United States - * Department of Energy and the University of California. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE. - */ +/* Copyright (c) 1990 The Regents of the University of California. */ +/* All rights reserved. */ -/* @(#) $Header: /cvsrepo/anoncvs/cvs/src/usr.bin/lex/flexdef.h,v 1.8 2015/10/10 05:47:54 deraadt Exp $ (LBL) */ +/* This code is derived from software contributed to Berkeley by */ +/* Vern Paxson. */ -#include -#include +/* The United States Government has rights in this work pursuant */ +/* to contract no. DE-AC03-76SF00098 between the United States */ +/* Department of Energy and the University of California. */ -#include "config.h" +/* This file is part of flex. */ -#ifdef __TURBOC__ -#define HAVE_STRING_H 1 -#define MS_DOS 1 -#ifndef __STDC__ -#define __STDC__ 1 +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following conditions */ +/* are met: */ + +/* 1. Redistributions of source code must retain the above copyright */ +/* notice, this list of conditions and the following disclaimer. */ +/* 2. Redistributions in binary form must reproduce the above copyright */ +/* notice, this list of conditions and the following disclaimer in the */ +/* documentation and/or other materials provided with the distribution. */ + +/* Neither the name of the University nor the names of its contributors */ +/* may be used to endorse or promote products derived from this software */ +/* without specific prior written permission. */ + +/* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR */ +/* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED */ +/* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR */ +/* PURPOSE. */ + +#ifndef FLEXDEF_H +#define FLEXDEF_H 1 + +#ifdef HAVE_CONFIG_H +#include #endif - #pragma warn -pro - #pragma warn -rch - #pragma warn -use - #pragma warn -aus - #pragma warn -par - #pragma warn -pia + +/* AIX requires this to be the first thing in the file. */ +#ifndef __GNUC__ +# if HAVE_ALLOCA_H +# include +# else +# ifdef _AIX + #pragma alloca +# else +# ifndef alloca /* predefined by HP cc +Olibcalls */ +char *alloca (); +# endif +# endif +# endif #endif -#ifdef HAVE_STRING_H +#ifdef STDC_HEADERS +#include +#include +#include +#include +#include #include +#include +#endif +#ifdef HAVE_ASSERT_H +#include #else -#include +#define assert(Pred) #endif -#ifdef HAVE_SYS_TYPES_H -#include +#ifdef HAVE_LIMITS_H +#include #endif - -#ifdef STDC_HEADERS -#include +#ifdef HAVE_UNISTD_H #include +#endif +#ifdef HAVE_NETINET_IN_H +#include +#endif +#ifdef HAVE_SYS_PARAMS_H +#include +#endif +#ifdef HAVE_SYS_WAIT_H +#include +#endif +#ifdef HAVE_STDBOOL_H +#include #else -#ifdef HAVE_MALLOC_H -#include +#define bool int +#define true 1 +#define false 0 #endif +#ifdef HAVE_REGEX_H +#include #endif +#include "flexint.h" +/* We use gettext. So, when we write strings which should be translated, we mark them with _() */ +#ifdef ENABLE_NLS +#ifdef HAVE_LOCALE_H +#include +#endif /* HAVE_LOCALE_H */ +#include "gettext.h" +#define _(String) gettext (String) +#else +#define _(STRING) STRING +#endif /* ENABLE_NLS */ -/* As an aid for the internationalization patch to flex, which - * is maintained outside this distribution for copyright reasons. - */ -#define _(String) (String) - /* Always be prepared to generate an 8-bit scanner. */ #define CSIZE 256 #define Char unsigned char @@ -89,7 +118,7 @@ #endif #ifndef PROTO -#ifdef __STDC__ +#if defined(__STDC__) #define PROTO(proto) proto #else #define PROTO(proto) () @@ -127,12 +156,8 @@ #define isascii(c) ((c) <= 0177) #endif - -#define true 1 -#define false 0 #define unspecified -1 - /* Special chk[] values marking the slots taking by end-of-buffer and action * numbers. */ @@ -198,10 +223,10 @@ */ #define NIL 0 -#define JAM -1 /* to mark a missing DFA transition */ +#define JAM -1 /* to mark a missing DFA transition */ #define NO_TRANSITION NIL -#define UNIQUE -1 /* marks a symbol as an e.c. representative */ -#define INFINITY -1 /* for x{5,} constructions */ +#define UNIQUE -1 /* marks a symbol as an e.c. representative */ +#define INFINITE_REPEAT -1 /* for x{5,} constructions */ #define INITIAL_MAX_CCLS 100 /* max number of unique character classes */ #define MAX_CCLS_INCREMENT 100 @@ -219,15 +244,16 @@ #define INITIAL_MAX_DFAS 1000 /* default maximum number of dfa states */ #define MAX_DFAS_INCREMENT 1000 -#define JAMSTATE -32766 /* marks a reference to the state that always jams */ +#define JAMSTATE -32766 /* marks a reference to the state that always jams */ /* Maximum number of NFA states. */ #define MAXIMUM_MNS 31999 +#define MAXIMUM_MNS_LONG 1999999999 /* Enough so that if it's subtracted from an NFA state number, the result * is guaranteed to be negative. */ -#define MARKER_DIFFERENCE (MAXIMUM_MNS+2) +#define MARKER_DIFFERENCE (maximum_mns+2) /* Maximum number of nxt/chk pairs for non-templates. */ #define INITIAL_MAX_XPAIRS 2000 @@ -243,7 +269,7 @@ #define MAX_SCS_INCREMENT 40 /* amount to bump by if it's not enough */ #define ONE_STACK_SIZE 500 /* stack of states with only one out-transition */ -#define SAME_TRANS -1 /* transition is the same as "default" entry for state */ +#define SAME_TRANS -1 /* transition is the same as "default" entry for state */ /* The following percentages are used to tune table compression: @@ -255,7 +281,7 @@ /* The percentage the number of homogeneous out-transitions of a state * must be of the number of total out-transitions of the state in order - * that the state's transition table is first compared with a potential + * that the state's transition table is first compared with a potential * template of the most common out-transition instead of with the first * proto in the proto queue. */ @@ -297,7 +323,7 @@ */ #define PROT_SAVE_SIZE 2000 -#define MSP 50 /* maximum number of saved protos (protos on the proto queue) */ +#define MSP 50 /* maximum number of saved protos (protos on the proto queue) */ /* Maximum number of out-transitions a state can have that we'll rummage * around through the interior of the internal fast table looking for a @@ -323,31 +349,7 @@ /* Declarations for global variables. */ -/* Variables for symbol tables: - * sctbl - start-condition symbol table - * ndtbl - name-definition symbol table - * ccltab - character class text symbol table - */ -struct hash_entry - { - struct hash_entry *prev, *next; - char *name; - char *str_val; - int int_val; - } ; - -typedef struct hash_entry **hash_table; - -#define NAME_TABLE_HASH_SIZE 101 -#define START_COND_HASH_SIZE 101 -#define CCL_HASH_SIZE 101 - -extern struct hash_entry *ndtbl[NAME_TABLE_HASH_SIZE]; -extern struct hash_entry *sctbl[START_COND_HASH_SIZE]; -extern struct hash_entry *ccltab[CCL_HASH_SIZE]; - - /* Variables for flags: * printstats - if true (-v), dump statistics * syntaxerror - true if a syntax error has been found @@ -357,8 +359,8 @@ * nowarn - if true (-w), do not generate warnings * spprdflt - if true (-s), suppress the default rule * interactive - if true (-I), generate an interactive scanner - * caseins - if true (-i), generate a case-insensitive scanner * lex_compat - if true (-l), maximize compatibility with AT&T lex + * posix_compat - if true (-X), maximize compatibility with POSIX lex * do_yylineno - if true, generate code to maintain yylineno * useecs - if true (-Ce flag), use equivalence classes * fulltbl - if true (-Cf flag), don't compress the DFA state table @@ -372,6 +374,9 @@ * listing backing-up states * C_plus_plus - if true (i.e., -+ flag), generate a C++ scanner class; * otherwise, a standard C scanner + * reentrant - if true (-R), generate a reentrant C scanner. + * bison_bridge_lval - if true (--bison-bridge), bison pure calling convention. + * bison_bridge_lloc - if true (--bison-locations), bison yylloc. * long_align - if true (-Ca flag), favor long-word alignment. * use_read - if true (-f, -F, or -Cr) then use read() for scanner input; * otherwise, use fread(). @@ -393,10 +398,13 @@ * reject_really_used - same for REJECT */ -extern int printstats, syntaxerror, eofseen, ddebug, trace, nowarn, spprdflt; -extern int interactive, caseins, lex_compat, do_yylineno; +extern int printstats, syntaxerror, eofseen, ddebug, trace, nowarn, + spprdflt; +extern int interactive, lex_compat, posix_compat, do_yylineno; extern int useecs, fulltbl, usemecs, fullspd; extern int gen_line_dirs, performance_report, backing_up_report; +extern int reentrant, bison_bridge_lval, bison_bridge_lloc; +extern bool ansi_func_defs, ansi_func_protos; extern int C_plus_plus, long_align, use_read, yytext_is_array, do_yywrap; extern int csize; extern int yymore_used, reject, real_reject, continued_action, in_rule; @@ -409,7 +417,6 @@ * dataline - number of contiguous lines of data in current data * statement. Used to generate readable -f output * linenum - current input line number - * out_linenum - current output line number * skelfile - the skeleton file * skel - compiled-in skeleton array * skel_ind - index into "skel" array, if skelfile is nil @@ -417,6 +424,7 @@ * backing_up_file - file to summarize backing-up states to * infilename - name of input file * outfilename - name of output file + * headerfilename - name of the .h file to generate * did_outfilename - whether outfilename was explicitly set * prefix - the prefix used for externally visible names ("yy" by default) * yyclass - yyFlexLexer subclass to use for YY_DECL @@ -424,7 +432,7 @@ * use_stdout - the -t flag * input_files - array holding names of input files * num_input_files - size of input_files array - * program_name - name with which program was invoked + * program_name - name with which program was invoked * * action_array - array to hold the rule actions * action_size - size of action_array @@ -436,13 +444,13 @@ * to "action_array" */ -extern int datapos, dataline, linenum, out_linenum; +extern int datapos, dataline, linenum; extern FILE *skelfile, *yyin, *backing_up_file; extern const char *skel[]; extern int skel_ind; -extern char *infilename, *outfilename; +extern char *infilename, *outfilename, *headerfilename; extern int did_outfilename; -extern char *prefix, *yyclass; +extern char *prefix, *yyclass, *extra_type; extern int do_stdinit, use_stdout; extern char **input_files; extern int num_input_files; @@ -466,6 +474,7 @@ /* Variables for nfa machine data: + * maximum_mns - maximal number of NFA states supported by tables * current_mns - current maximum on number of NFA states * num_rules - number of the last accepting state; also is number of * rules created so far @@ -492,13 +501,18 @@ * context * rule_linenum - line number associated with rule * rule_useful - true if we've determined that the rule can be matched + * rule_has_nl - true if rule could possibly match a newline + * ccl_has_nl - true if current ccl could match a newline + * nlch - default eol char */ -extern int current_mns, current_max_rules; +extern int maximum_mns, current_mns, current_max_rules; extern int num_rules, num_eof_rules, default_rule, lastnfa; extern int *firstst, *lastst, *finalst, *transchar, *trans1, *trans2; extern int *accptnum, *assoc_rule, *state_type; extern int *rule_type, *rule_linenum, *rule_useful; +extern bool *rule_has_nl, *ccl_has_nl; +extern int nlch; /* Different types of states; values are useful as masks, as well, for * routines like check_trailing_context(). @@ -609,12 +623,12 @@ extern int current_max_dfa_size, current_max_xpairs; extern int current_max_template_xpairs, current_max_dfas; extern int lastdfa, *nxt, *chk, *tnxt; -extern int *base, *def, *nultrans, NUL_ec, tblend, firstfree, **dss, *dfasiz; -extern union dfaacc_union - { - int *dfaacc_set; - int dfaacc_state; - } *dfaacc; +extern int *base, *def, *nultrans, NUL_ec, tblend, firstfree, **dss, + *dfasiz; +extern union dfaacc_union { + int *dfaacc_set; + int dfaacc_state; +} *dfaacc; extern int *accsiz, *dhash, numas; extern int numsnpairs, jambase, jamstate; extern int end_of_buffer_state; @@ -661,12 +675,12 @@ extern int tmpuses, totnst, peakpairs, numuniq, numdup, hshsave; extern int num_backing_up, bol_needed; -void *allocate_array PROTO((int, size_t)); -void *reallocate_array PROTO((void*, int, size_t)); +void *allocate_array PROTO ((int, size_t)); +void *reallocate_array PROTO ((void *, int, size_t)); -void *flex_alloc PROTO((size_t)); -void *flex_realloc PROTO((void*, size_t)); -void flex_free PROTO((void*)); +void *flex_alloc PROTO ((size_t)); +void *flex_realloc PROTO ((void *, size_t)); +void flex_free PROTO ((void *)); #define allocate_integer_array(size) \ (int *) allocate_array( size, sizeof( int ) ) @@ -674,6 +688,12 @@ #define reallocate_integer_array(array,size) \ (int *) reallocate_array( (void *) array, size, sizeof( int ) ) +#define allocate_bool_array(size) \ + (bool *) allocate_array( size, sizeof( bool ) ) + +#define reallocate_bool_array(array,size) \ + (bool *) reallocate_array( (void *) array, size, sizeof( bool ) ) + #define allocate_int_ptr_array(size) \ (int **) allocate_array( size, sizeof( int * ) ) @@ -718,340 +738,490 @@ /* from file ccl.c */ -extern void ccladd PROTO((int, int)); /* add a single character to a ccl */ -extern int cclinit PROTO((void)); /* make an empty ccl */ -extern void cclnegate PROTO((int)); /* negate a ccl */ +extern void ccladd PROTO ((int, int)); /* add a single character to a ccl */ +extern int cclinit PROTO ((void)); /* make an empty ccl */ +extern void cclnegate PROTO ((int)); /* negate a ccl */ +extern int ccl_set_diff (int a, int b); /* set difference of two ccls. */ +extern int ccl_set_union (int a, int b); /* set union of two ccls. */ /* List the members of a set of characters in CCL form. */ -extern void list_character_set PROTO((FILE*, int[])); +extern void list_character_set PROTO ((FILE *, int[])); /* from file dfa.c */ /* Check a DFA state for backing up. */ -extern void check_for_backing_up PROTO((int, int[])); +extern void check_for_backing_up PROTO ((int, int[])); /* Check to see if NFA state set constitutes "dangerous" trailing context. */ -extern void check_trailing_context PROTO((int*, int, int*, int)); +extern void check_trailing_context PROTO ((int *, int, int *, int)); /* Construct the epsilon closure of a set of ndfa states. */ -extern int *epsclosure PROTO((int*, int*, int[], int*, int*)); +extern int *epsclosure PROTO ((int *, int *, int[], int *, int *)); /* Increase the maximum number of dfas. */ -extern void increase_max_dfas PROTO((void)); +extern void increase_max_dfas PROTO ((void)); -extern void ntod PROTO((void)); /* convert a ndfa to a dfa */ +extern void ntod PROTO ((void)); /* convert a ndfa to a dfa */ /* Converts a set of ndfa states into a dfa state. */ -extern int snstods PROTO((int[], int, int[], int, int, int*)); +extern int snstods PROTO ((int[], int, int[], int, int, int *)); /* from file ecs.c */ /* Convert character classes to set of equivalence classes. */ -extern void ccl2ecl PROTO((void)); +extern void ccl2ecl PROTO ((void)); /* Associate equivalence class numbers with class members. */ -extern int cre8ecs PROTO((int[], int[], int)); +extern int cre8ecs PROTO ((int[], int[], int)); /* Update equivalence classes based on character class transitions. */ -extern void mkeccl PROTO((Char[], int, int[], int[], int, int)); +extern void mkeccl PROTO ((Char[], int, int[], int[], int, int)); /* Create equivalence class for single character. */ -extern void mkechar PROTO((int, int[], int[])); +extern void mkechar PROTO ((int, int[], int[])); /* from file gen.c */ -extern void do_indent PROTO((void)); /* indent to the current level */ +extern void do_indent PROTO ((void)); /* indent to the current level */ /* Generate the code to keep backing-up information. */ -extern void gen_backing_up PROTO((void)); +extern void gen_backing_up PROTO ((void)); /* Generate the code to perform the backing up. */ -extern void gen_bu_action PROTO((void)); +extern void gen_bu_action PROTO ((void)); /* Generate full speed compressed transition table. */ -extern void genctbl PROTO((void)); +extern void genctbl PROTO ((void)); /* Generate the code to find the action number. */ -extern void gen_find_action PROTO((void)); +extern void gen_find_action PROTO ((void)); -extern void genftbl PROTO((void)); /* generate full transition table */ +extern void genftbl PROTO ((void)); /* generate full transition table */ /* Generate the code to find the next compressed-table state. */ -extern void gen_next_compressed_state PROTO((char*)); +extern void gen_next_compressed_state PROTO ((char *)); /* Generate the code to find the next match. */ -extern void gen_next_match PROTO((void)); +extern void gen_next_match PROTO ((void)); /* Generate the code to find the next state. */ -extern void gen_next_state PROTO((int)); +extern void gen_next_state PROTO ((int)); /* Generate the code to make a NUL transition. */ -extern void gen_NUL_trans PROTO((void)); +extern void gen_NUL_trans PROTO ((void)); /* Generate the code to find the start state. */ -extern void gen_start_state PROTO((void)); +extern void gen_start_state PROTO ((void)); /* Generate data statements for the transition tables. */ -extern void gentabs PROTO((void)); +extern void gentabs PROTO ((void)); /* Write out a formatted string at the current indentation level. */ -extern void indent_put2s PROTO((char[], char[])); +extern void indent_put2s PROTO ((const char *, const char *)); /* Write out a string + newline at the current indentation level. */ -extern void indent_puts PROTO((char[])); +extern void indent_puts PROTO ((const char *)); -extern void make_tables PROTO((void)); /* generate transition tables */ +extern void make_tables PROTO ((void)); /* generate transition tables */ /* from file main.c */ -extern void check_options PROTO((void)); -extern void flexend PROTO((int)); -extern void usage PROTO((void)); +extern void check_options PROTO ((void)); +extern void flexend PROTO ((int)); +extern void usage PROTO ((void)); /* from file misc.c */ /* Add a #define to the action file. */ -extern void action_define PROTO(( char *defname, int value )); +extern void action_define PROTO ((const char *defname, int value)); /* Add the given text to the stored actions. */ -extern void add_action PROTO(( char *new_text )); +extern void add_action PROTO ((const char *new_text)); /* True if a string is all lower case. */ -extern int all_lower PROTO((register char *)); +extern int all_lower PROTO ((char *)); /* True if a string is all upper case. */ -extern int all_upper PROTO((register char *)); +extern int all_upper PROTO ((char *)); -/* Bubble sort an integer array. */ -extern void bubble PROTO((int [], int)); +/* Compare two integers for use by qsort. */ +extern int intcmp PROTO ((const void *, const void *)); /* Check a character to make sure it's in the expected range. */ -extern void check_char PROTO((int c)); +extern void check_char PROTO ((int c)); /* Replace upper-case letter to lower-case. */ -extern Char clower PROTO((int)); +extern Char clower PROTO ((int)); /* Returns a dynamically allocated copy of a string. */ -extern char *copy_string PROTO((register const char *)); +extern char *copy_string PROTO ((const char *)); /* Returns a dynamically allocated copy of a (potentially) unsigned string. */ -extern Char *copy_unsigned_string PROTO((register Char *)); +extern Char *copy_unsigned_string PROTO ((Char *)); -/* Shell sort a character array. */ -extern void cshell PROTO((Char [], int, int)); +/* Compare two characters for use by qsort with '\0' sorting last. */ +extern int cclcmp PROTO ((const void *, const void *)); /* Finish up a block of data declarations. */ -extern void dataend PROTO((void)); +extern void dataend PROTO ((void)); /* Flush generated data statements. */ -extern void dataflush PROTO((void)); +extern void dataflush PROTO ((void)); /* Report an error message and terminate. */ -extern void flexerror PROTO((const char[])); +extern void flexerror PROTO ((const char *)); /* Report a fatal error message and terminate. */ -extern void flexfatal PROTO((const char[])); +extern void flexfatal PROTO ((const char *)); +/* Report a fatal error with a pinpoint, and terminate */ +#if HAVE_DECL___FUNC__ +#define flex_die(msg) \ + do{ \ + fprintf (stderr,\ + _("%s: fatal internal error at %s:%d (%s): %s\n"),\ + program_name, __FILE__, (int)__LINE__,\ + __func__,msg);\ + FLEX_EXIT(1);\ + }while(0) +#else /* ! HAVE_DECL___FUNC__ */ +#define flex_die(msg) \ + do{ \ + fprintf (stderr,\ + _("%s: fatal internal error at %s:%d %s\n"),\ + program_name, __FILE__, (int)__LINE__,\ + msg);\ + FLEX_EXIT(1);\ + }while(0) +#endif /* ! HAVE_DECL___func__ */ + /* Convert a hexadecimal digit string to an integer value. */ -extern int htoi PROTO((Char[])); +extern int htoi PROTO ((Char[])); /* Report an error message formatted with one integer argument. */ -extern void lerrif PROTO((const char[], int)); +extern void lerrif PROTO ((const char *, int)); /* Report an error message formatted with one string argument. */ -extern void lerrsf PROTO((const char[], const char[])); +extern void lerrsf PROTO ((const char *, const char *)); +/* Like lerrsf, but also exit after displaying message. */ +extern void lerrsf_fatal PROTO ((const char *, const char *)); + /* Spit out a "#line" statement. */ -extern void line_directive_out PROTO((FILE*, int)); +extern void line_directive_out PROTO ((FILE *, int)); /* Mark the current position in the action array as the end of the section 1 * user defs. */ -extern void mark_defs1 PROTO((void)); +extern void mark_defs1 PROTO ((void)); /* Mark the current position in the action array as the end of the prolog. */ -extern void mark_prolog PROTO((void)); +extern void mark_prolog PROTO ((void)); /* Generate a data statment for a two-dimensional array. */ -extern void mk2data PROTO((int)); +extern void mk2data PROTO ((int)); -extern void mkdata PROTO((int)); /* generate a data statement */ +extern void mkdata PROTO ((int)); /* generate a data statement */ /* Return the integer represented by a string of digits. */ -extern int myctoi PROTO((char [])); +extern int myctoi PROTO ((const char *)); /* Return character corresponding to escape sequence. */ -extern Char myesc PROTO((Char[])); +extern Char myesc PROTO ((Char[])); /* Convert an octal digit string to an integer value. */ -extern int otoi PROTO((Char [] )); +extern int otoi PROTO ((Char[])); /* Output a (possibly-formatted) string to the generated scanner. */ -extern void out PROTO((const char [])); -extern void out_dec PROTO((const char [], int)); -extern void out_dec2 PROTO((const char [], int, int)); -extern void out_hex PROTO((const char [], unsigned int)); -extern void out_line_count PROTO((const char [])); -extern void out_str PROTO((const char [], const char [])); +extern void out PROTO ((const char *)); +extern void out_dec PROTO ((const char *, int)); +extern void out_dec2 PROTO ((const char *, int, int)); +extern void out_hex PROTO ((const char *, unsigned int)); +extern void out_str PROTO ((const char *, const char *)); extern void out_str3 - PROTO((const char [], const char [], const char [], const char [])); -extern void out_str_dec PROTO((const char [], const char [], int)); -extern void outc PROTO((int)); -extern void outn PROTO((const char [])); +PROTO ((const char *, const char *, const char *, const char *)); +extern void out_str_dec PROTO ((const char *, const char *, int)); +extern void outc PROTO ((int)); +extern void outn PROTO ((const char *)); +extern void out_m4_define (const char* def, const char* val); /* Return a printable version of the given character, which might be * 8-bit. */ -extern char *readable_form PROTO((int)); +extern char *readable_form PROTO ((int)); /* Write out one section of the skeleton file. */ -extern void skelout PROTO((void)); +extern void skelout PROTO ((void)); /* Output a yy_trans_info structure. */ -extern void transition_struct_out PROTO((int, int)); +extern void transition_struct_out PROTO ((int, int)); /* Only needed when using certain broken versions of bison to build parse.c. */ -extern void *yy_flex_xmalloc PROTO(( int )); +extern void *yy_flex_xmalloc PROTO ((int)); /* Set a region of memory to 0. */ -extern void zero_out PROTO((char *, size_t)); +extern void zero_out PROTO ((char *, size_t)); /* from file nfa.c */ /* Add an accepting state to a machine. */ -extern void add_accept PROTO((int, int)); +extern void add_accept PROTO ((int, int)); /* Make a given number of copies of a singleton machine. */ -extern int copysingl PROTO((int, int)); +extern int copysingl PROTO ((int, int)); /* Debugging routine to write out an nfa. */ -extern void dumpnfa PROTO((int)); +extern void dumpnfa PROTO ((int)); /* Finish up the processing for a rule. */ -extern void finish_rule PROTO((int, int, int, int)); +extern void finish_rule PROTO ((int, int, int, int, int)); /* Connect two machines together. */ -extern int link_machines PROTO((int, int)); +extern int link_machines PROTO ((int, int)); /* Mark each "beginning" state in a machine as being a "normal" (i.e., * not trailing context associated) state. */ -extern void mark_beginning_as_normal PROTO((register int)); +extern void mark_beginning_as_normal PROTO ((int)); /* Make a machine that branches to two machines. */ -extern int mkbranch PROTO((int, int)); +extern int mkbranch PROTO ((int, int)); -extern int mkclos PROTO((int)); /* convert a machine into a closure */ -extern int mkopt PROTO((int)); /* make a machine optional */ +extern int mkclos PROTO ((int)); /* convert a machine into a closure */ +extern int mkopt PROTO ((int)); /* make a machine optional */ /* Make a machine that matches either one of two machines. */ -extern int mkor PROTO((int, int)); +extern int mkor PROTO ((int, int)); /* Convert a machine into a positive closure. */ -extern int mkposcl PROTO((int)); +extern int mkposcl PROTO ((int)); -extern int mkrep PROTO((int, int, int)); /* make a replicated machine */ +extern int mkrep PROTO ((int, int, int)); /* make a replicated machine */ /* Create a state with a transition on a given symbol. */ -extern int mkstate PROTO((int)); +extern int mkstate PROTO ((int)); -extern void new_rule PROTO((void)); /* initialize for a new rule */ +extern void new_rule PROTO ((void)); /* initialize for a new rule */ /* from file parse.y */ /* Build the "<>" action for the active start conditions. */ -extern void build_eof_action PROTO((void)); +extern void build_eof_action PROTO ((void)); /* Write out a message formatted with one string, pinpointing its location. */ -extern void format_pinpoint_message PROTO((char[], char[])); +extern void format_pinpoint_message PROTO ((const char *, const char *)); /* Write out a message, pinpointing its location. */ -extern void pinpoint_message PROTO((char[])); +extern void pinpoint_message PROTO ((const char *)); /* Write out a warning, pinpointing it at the given line. */ -extern void line_warning PROTO(( char[], int )); +extern void line_warning PROTO ((const char *, int)); /* Write out a message, pinpointing it at the given line. */ -extern void line_pinpoint PROTO(( char[], int )); +extern void line_pinpoint PROTO ((const char *, int)); /* Report a formatted syntax error. */ -extern void format_synerr PROTO((char [], char[])); -extern void synerr PROTO((char [])); /* report a syntax error */ -extern void format_warn PROTO((char [], char[])); -extern void warn PROTO((char [])); /* report a warning */ -extern void yyerror PROTO((char [])); /* report a parse error */ -extern int yyparse PROTO((void)); /* the YACC parser */ +extern void format_synerr PROTO ((const char *, const char *)); +extern void synerr PROTO ((const char *)); /* report a syntax error */ +extern void format_warn PROTO ((const char *, const char *)); +extern void warn PROTO ((const char *)); /* report a warning */ +extern void yyerror PROTO ((const char *)); /* report a parse error */ +extern int yyparse PROTO ((void)); /* the YACC parser */ /* from file scan.l */ /* The Flex-generated scanner for flex. */ -extern int flexscan PROTO((void)); +extern int flexscan PROTO ((void)); /* Open the given file (if NULL, stdin) for scanning. */ -extern void set_input_file PROTO((char*)); +extern void set_input_file PROTO ((char *)); /* Wrapup a file in the lexical analyzer. */ -extern int yywrap PROTO((void)); +extern int yywrap PROTO ((void)); /* from file sym.c */ -/* Add symbol and definitions to symbol table. */ -extern int addsym PROTO((register char[], char*, int, hash_table, int)); - /* Save the text of a character class. */ -extern void cclinstal PROTO ((Char [], int)); +extern void cclinstal PROTO ((Char[], int)); /* Lookup the number associated with character class. */ -extern int ccllookup PROTO((Char [])); +extern int ccllookup PROTO ((Char[])); -/* Find symbol in symbol table. */ -extern struct hash_entry *findsym PROTO((register char[], hash_table, int )); +extern void ndinstal PROTO ((const char *, Char[])); /* install a name definition */ +extern Char *ndlookup PROTO ((const char *)); /* lookup a name definition */ -extern void ndinstal PROTO((char[], Char[])); /* install a name definition */ -extern Char *ndlookup PROTO((char[])); /* lookup a name definition */ - /* Increase maximum number of SC's. */ -extern void scextend PROTO((void)); -extern void scinstal PROTO((char[], int)); /* make a start condition */ +extern void scextend PROTO ((void)); +extern void scinstal PROTO ((const char *, int)); /* make a start condition */ /* Lookup the number associated with a start condition. */ -extern int sclookup PROTO((char[])); +extern int sclookup PROTO ((const char *)); /* from file tblcmp.c */ /* Build table entries for dfa state. */ -extern void bldtbl PROTO((int[], int, int, int, int)); +extern void bldtbl PROTO ((int[], int, int, int, int)); -extern void cmptmps PROTO((void)); /* compress template table entries */ -extern void expand_nxt_chk PROTO((void)); /* increase nxt/chk arrays */ +extern void cmptmps PROTO ((void)); /* compress template table entries */ +extern void expand_nxt_chk PROTO ((void)); /* increase nxt/chk arrays */ + /* Finds a space in the table for a state to be placed. */ -extern int find_table_space PROTO((int*, int)); -extern void inittbl PROTO((void)); /* initialize transition tables */ +extern int find_table_space PROTO ((int *, int)); +extern void inittbl PROTO ((void)); /* initialize transition tables */ + /* Make the default, "jam" table entries. */ -extern void mkdeftbl PROTO((void)); +extern void mkdeftbl PROTO ((void)); /* Create table entries for a state (or state fragment) which has * only one out-transition. */ -extern void mk1tbl PROTO((int, int, int, int)); +extern void mk1tbl PROTO ((int, int, int, int)); /* Place a state into full speed transition table. */ -extern void place_state PROTO((int*, int, int)); +extern void place_state PROTO ((int *, int, int)); /* Save states with only one out-transition to be processed later. */ -extern void stack1 PROTO((int, int, int, int)); +extern void stack1 PROTO ((int, int, int, int)); /* from file yylex.c */ -extern int yylex PROTO((void)); +extern int yylex PROTO ((void)); + +/* A growable array. See buf.c. */ +struct Buf { + void *elts; /* elements. */ + int nelts; /* number of elements. */ + size_t elt_size; /* in bytes. */ + int nmax; /* max capacity of elements. */ +}; + +extern void buf_init PROTO ((struct Buf * buf, size_t elem_size)); +extern void buf_destroy PROTO ((struct Buf * buf)); +extern struct Buf *buf_append +PROTO ((struct Buf * buf, const void *ptr, int n_elem)); +extern struct Buf *buf_concat PROTO((struct Buf* dest, const struct Buf* src)); +extern struct Buf *buf_strappend PROTO ((struct Buf *, const char *str)); +extern struct Buf *buf_strnappend +PROTO ((struct Buf *, const char *str, int nchars)); +extern struct Buf *buf_strdefine +PROTO ((struct Buf * buf, const char *str, const char *def)); +extern struct Buf *buf_prints PROTO((struct Buf *buf, const char *fmt, const char* s)); +extern struct Buf *buf_m4_define PROTO((struct Buf *buf, const char* def, const char* val)); +extern struct Buf *buf_m4_undefine PROTO((struct Buf *buf, const char* def)); +extern struct Buf *buf_print_strings PROTO((struct Buf * buf, FILE* out)); +extern struct Buf *buf_linedir PROTO((struct Buf *buf, const char* filename, int lineno)); + +extern struct Buf userdef_buf; /* a string buffer for #define's generated by user-options on cmd line. */ +extern struct Buf defs_buf; /* a char* buffer to save #define'd some symbols generated by flex. */ +extern struct Buf yydmap_buf; /* a string buffer to hold yydmap elements */ +extern struct Buf m4defs_buf; /* Holds m4 definitions. */ +extern struct Buf top_buf; /* contains %top code. String buffer. */ + +/* For blocking out code from the header file. */ +#define OUT_BEGIN_CODE() outn("m4_ifdef( [[M4_YY_IN_HEADER]],,[[") +#define OUT_END_CODE() outn("]])") + +/* For setjmp/longjmp (instead of calling exit(2)). Linkage in main.c */ +extern jmp_buf flex_main_jmp_buf; + +#define FLEX_EXIT(status) longjmp(flex_main_jmp_buf,(status)+1) + +/* Removes all \n and \r chars from tail of str. returns str. */ +extern char *chomp (char *str); + +/* ctype functions forced to return boolean */ +#define b_isalnum(c) (isalnum(c)?true:false) +#define b_isalpha(c) (isalpha(c)?true:false) +#define b_isascii(c) (isascii(c)?true:false) +#define b_isblank(c) (isblank(c)?true:false) +#define b_iscntrl(c) (iscntrl(c)?true:false) +#define b_isdigit(c) (isdigit(c)?true:false) +#define b_isgraph(c) (isgraph(c)?true:false) +#define b_islower(c) (islower(c)?true:false) +#define b_isprint(c) (isprint(c)?true:false) +#define b_ispunct(c) (ispunct(c)?true:false) +#define b_isspace(c) (isspace(c)?true:false) +#define b_isupper(c) (isupper(c)?true:false) +#define b_isxdigit(c) (isxdigit(c)?true:false) + +/* return true if char is uppercase or lowercase. */ +bool has_case(int c); + +/* Change case of character if possible. */ +int reverse_case(int c); + +/* return false if [c1-c2] is ambiguous for a caseless scanner. */ +bool range_covers_case (int c1, int c2); + +/* + * From "filter.c" + */ + +/** A single stdio filter to execute. + * The filter may be external, such as "sed", or it + * may be internal, as a function call. + */ +struct filter { + int (*filter_func)(struct filter*); /**< internal filter function */ + void * extra; /**< extra data passed to filter_func */ + int argc; /**< arg count */ + const char ** argv; /**< arg vector, \0-terminated */ + struct filter * next; /**< next filter or NULL */ +}; + +/* output filter chain */ +extern struct filter * output_chain; +extern struct filter *filter_create_ext PROTO((struct filter * chain, const char *cmd, ...)); +struct filter *filter_create_int PROTO((struct filter *chain, + int (*filter_func) (struct filter *), + void *extra)); +extern bool filter_apply_chain PROTO((struct filter * chain)); +extern int filter_truncate (struct filter * chain, int max_len); +extern int filter_tee_header PROTO((struct filter *chain)); +extern int filter_fix_linedirs PROTO((struct filter *chain)); + + +/* + * From "regex.c" + */ + +extern regex_t regex_linedir, regex_blank_line; +bool flex_init_regex(void); +void flex_regcomp(regex_t *preg, const char *regex, int cflags); +char *regmatch_dup (regmatch_t * m, const char *src); +char *regmatch_cpy (regmatch_t * m, char *dest, const char *src); +int regmatch_len (regmatch_t * m); +int regmatch_strtol (regmatch_t * m, const char *src, char **endptr, int base); +bool regmatch_empty (regmatch_t * m); + +/* From "scanflags.h" */ +typedef unsigned int scanflags_t; +extern scanflags_t* _sf_stk; +extern size_t _sf_top_ix, _sf_max; /**< stack of scanner flags. */ +#define _SF_CASE_INS 0x0001 +#define _SF_DOT_ALL 0x0002 +#define _SF_SKIP_WS 0x0004 +#define sf_top() (_sf_stk[_sf_top_ix]) +#define sf_case_ins() (sf_top() & _SF_CASE_INS) +#define sf_dot_all() (sf_top() & _SF_DOT_ALL) +#define sf_skip_ws() (sf_top() & _SF_SKIP_WS) +#define sf_set_case_ins(X) ((X) ? (sf_top() |= _SF_CASE_INS) : (sf_top() &= ~_SF_CASE_INS)) +#define sf_set_dot_all(X) ((X) ? (sf_top() |= _SF_DOT_ALL) : (sf_top() &= ~_SF_DOT_ALL)) +#define sf_set_skip_ws(X) ((X) ? (sf_top() |= _SF_SKIP_WS) : (sf_top() &= ~_SF_SKIP_WS)) +extern void sf_init(void); +extern void sf_push(void); +extern void sf_pop(void); + + +#endif /* not defined FLEXDEF_H */