From 056b51087c4f7d9b9489a547fadcd51e3c944d8e Mon Sep 17 00:00:00 2001 From: ian Date: Fri, 7 Apr 2006 19:32:08 +0000 Subject: [PATCH] Fixes for asserts from Nelson Beebe --- debian/changelog | 7 +- lexer.c | 1339 ++++++++++++++++++++++++++-------------------- lexer.l | 4 +- lexer.l.m4 | 4 +- parser.c | 4 +- 5 files changed, 765 insertions(+), 593 deletions(-) diff --git a/debian/changelog b/debian/changelog index ecda7cf..94e71c3 100644 --- a/debian/changelog +++ b/debian/changelog @@ -1,8 +1,12 @@ -userv (1.0.4) unstable; urgency=low +userv (1.0.5) unstable; urgency=low Bugfixes: * Close client socket fd in spawned cats (avoids some service-side hangs when client terminates). Thanks to report from Simon Tatham. + * Do not call `assert' on expressions whose side-effects we need (!) + Thanks to report from Nelson Beebe. + * Correct an erroneous assert() argument so that it would actually + detect failure of the assertion. Minor portability fixes: * Missing #include and } Thanks to report @@ -16,6 +20,7 @@ userv (1.0.4) unstable; urgency=low * spec.tex and spec.html are autogenerated: clean and .cvsignore them. * SHELL=/bin/bash in debian/rules; use of install(8). Closes: #263979. * Reran autoconf/autoheader (autoconf Debian 2.13-54). + * Reran flex (flex Debian 2.5.31-31). * Updated copyright notices. -- Ian Jackson Fri, 7 Apr 2006 20:04:29 +0100 diff --git a/lexer.c b/lexer.c index 3d9174e..99300ad 100644 --- a/lexer.c +++ b/lexer.c @@ -1,32 +1,85 @@ -/* A lexical scanner generated by flex */ -/* Scanner skeleton version: - * $Header$ - */ +#line 3 "" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ #define FLEX_SCANNER #define YY_FLEX_MAJOR_VERSION 2 #define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 31 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ #include +#include +#include +#include +/* end standard C headers. */ -/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ -#ifdef c_plusplus -#ifndef __cplusplus -#define __cplusplus +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have . Non-C99 systems may or may not. */ + +#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L +#include +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; +#endif /* ! C99 */ + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) #endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) #endif +#endif /* ! FLEXINT_H */ #ifdef __cplusplus -#include -#include - -/* Use prototypes in function declarations. */ -#define YY_USE_PROTOS - /* The "const" storage-class-modifier is valid. */ #define YY_USE_CONST @@ -34,34 +87,17 @@ #if __STDC__ -#define YY_USE_PROTOS #define YY_USE_CONST #endif /* __STDC__ */ #endif /* ! __cplusplus */ -#ifdef __TURBOC__ - #pragma warn -rch - #pragma warn -use -#include -#include -#define YY_USE_CONST -#define YY_USE_PROTOS -#endif - #ifdef YY_USE_CONST #define yyconst const #else #define yyconst #endif - -#ifdef YY_USE_PROTOS -#define YY_PROTO(proto) proto -#else -#define YY_PROTO(proto) () -#endif - /* Returned upon end-of-file. */ #define YY_NULL 0 @@ -76,71 +112,71 @@ * but we do it the disgusting crufty way forced on us by the ()-less * definition of BEGIN. */ -#define BEGIN yy_start = 1 + 2 * +#define BEGIN (yy_start) = 1 + 2 * /* Translate the current start state into a value that can be later handed * to BEGIN to return to the state. The YYSTATE alias is for lex * compatibility. */ -#define YY_START ((yy_start - 1) / 2) +#define YY_START (((yy_start) - 1) / 2) #define YYSTATE YY_START /* Action number for EOF rule of a given start state. */ #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) /* Special action meaning "start processing a new file". */ -#define YY_NEW_FILE yyrestart( yyin ) +#define YY_NEW_FILE yyrestart(yyin ) #define YY_END_OF_BUFFER_CHAR 0 /* Size of default input buffer. */ +#ifndef YY_BUF_SIZE #define YY_BUF_SIZE 16384 +#endif +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif extern int yyleng; + extern FILE *yyin, *yyout; #define EOB_ACT_CONTINUE_SCAN 0 #define EOB_ACT_END_OF_FILE 1 #define EOB_ACT_LAST_MATCH 2 -/* The funky do-while in the following #define is used to turn the definition - * int a single C statement (which needs a semi-colon terminator). This - * avoids problems with code like: - * - * if ( condition_holds ) - * yyless( 5 ); - * else - * do_something_else(); - * - * Prior to using the do-while the compiler would get upset at the - * "else" because it interpreted the "if" statement as being all - * done when it reached the ';' after the yyless() call. - */ - -/* Return all but the first 'n' matched characters back to the input stream. */ - + #define YY_LESS_LINENO(n) + +/* 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; \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = (yy_hold_char); \ YY_RESTORE_YY_MORE_OFFSET \ - yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \ + (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ YY_DO_BEFORE_ACTION; /* set up yytext again */ \ } \ while ( 0 ) -#define unput(c) yyunput( c, yytext_ptr ) +#define unput(c) yyunput( c, (yytext_ptr) ) /* The following is because we cannot portably get our hands on size_t * (without autoconf's help, which isn't available because we want * flex-generated scanners to compile on their own). */ -typedef unsigned int yy_size_t; +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef unsigned int yy_size_t; +#endif +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE struct yy_buffer_state { FILE *yy_input_file; @@ -177,12 +213,16 @@ struct yy_buffer_state */ int yy_at_bol; + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + /* Whether to try to fill the input buffer when we reach the * end of it. */ int yy_fill_buffer; int yy_buffer_status; + #define YY_BUFFER_NEW 0 #define YY_BUFFER_NORMAL 1 /* When an EOF's been seen but there's still some text to process @@ -196,23 +236,33 @@ struct yy_buffer_state * just pointing yyin at a new input file. */ #define YY_BUFFER_EOF_PENDING 2 + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ -static YY_BUFFER_STATE yy_current_buffer = 0; +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ /* 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". + * + * Returns the top of the stack, or NULL. */ -#define YY_CURRENT_BUFFER yy_current_buffer +#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ + : NULL) +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] /* yy_hold_char holds the character lost when yytext is formed. */ static char yy_hold_char; - static int yy_n_chars; /* number of characters read into yy_ch_buf */ - - int yyleng; /* Points to current character in buffer. */ @@ -225,69 +275,95 @@ static int yy_start = 0; /* start state number */ */ static int yy_did_buffer_switch_on_eof; -void yyrestart YY_PROTO(( FILE *input_file )); +void yyrestart (FILE *input_file ); +void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ); +void yy_delete_buffer (YY_BUFFER_STATE b ); +void yy_flush_buffer (YY_BUFFER_STATE b ); +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ); +void yypop_buffer_state (void ); + +static void yyensure_buffer_stack (void ); +static void yy_load_buffer_state (void ); +static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ); -void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer )); -void yy_load_buffer_state YY_PROTO(( void )); -YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size )); -void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b )); -void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file )); -void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b )); -#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer ) +#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ) -YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size )); -YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str )); -YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len )); +YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ); +YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ); +YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len ); -static void *yy_flex_alloc YY_PROTO(( yy_size_t )); -static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t )); -static void yy_flex_free YY_PROTO(( void * )); +void *yyalloc (yy_size_t ); +void *yyrealloc (void *,yy_size_t ); +void yyfree (void * ); #define yy_new_buffer yy_create_buffer #define yy_set_interactive(is_interactive) \ { \ - if ( ! yy_current_buffer ) \ - yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \ - yy_current_buffer->yy_is_interactive = is_interactive; \ + if ( ! YY_CURRENT_BUFFER ){ \ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ } #define yy_set_bol(at_bol) \ { \ - if ( ! yy_current_buffer ) \ - yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \ - yy_current_buffer->yy_at_bol = at_bol; \ + if ( ! YY_CURRENT_BUFFER ){\ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ } -#define YY_AT_BOL() (yy_current_buffer->yy_at_bol) +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) +/* Begin user sect3 */ -#define yywrap() 1 +#define yywrap(n) 1 #define YY_SKIP_YYWRAP + typedef unsigned char YY_CHAR; + FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; + typedef int yy_state_type; + +extern int yylineno; + +int yylineno = 1; + extern char *yytext; #define yytext_ptr yytext -static yy_state_type yy_get_previous_state YY_PROTO(( void )); -static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state )); -static int yy_get_next_buffer YY_PROTO(( void )); -static void yy_fatal_error YY_PROTO(( yyconst char msg[] )); +static yy_state_type yy_get_previous_state (void ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); +static int yy_get_next_buffer (void ); +static void yy_fatal_error (yyconst char msg[] ); /* Done after the current pattern has been matched and before the * corresponding action - sets up yytext. */ #define YY_DO_BEFORE_ACTION \ - yytext_ptr = yy_bp; \ - yyleng = (int) (yy_cp - yy_bp); \ - yy_hold_char = *yy_cp; \ + (yytext_ptr) = yy_bp; \ + yyleng = (size_t) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ *yy_cp = '\0'; \ - yy_c_buf_p = yy_cp; + (yy_c_buf_p) = yy_cp; #define YY_NUM_RULES 107 #define YY_END_OF_BUFFER 108 -static yyconst short int yy_accept[565] = +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_accept[565] = { 0, 0, 0, 108, 103, 98, 99, 90, 104, 101, 87, 91, 88, 89, 94, 105, 103, 103, 103, 103, 103, @@ -353,7 +429,7 @@ static yyconst short int yy_accept[565] = 103, 29, 2, 0 } ; -static yyconst int yy_ec[256] = +static yyconst flex_int32_t yy_ec[256] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -385,7 +461,7 @@ static yyconst int yy_ec[256] = 1, 1, 1, 1, 1 } ; -static yyconst int yy_meta[52] = +static yyconst flex_int32_t yy_meta[52] = { 0, 1, 2, 3, 1, 2, 1, 1, 1, 1, 1, 1, 1, 4, 4, 4, 4, 4, 4, 4, 4, @@ -395,7 +471,7 @@ static yyconst int yy_meta[52] = 1 } ; -static yyconst short int yy_base[571] = +static yyconst flex_int16_t yy_base[571] = { 0, 0, 0, 779, 0, 50, 780, 0, 49, 55, 0, 0, 0, 0, 67, 59, 745, 19, 49, 34, 56, @@ -461,7 +537,7 @@ static yyconst short int yy_base[571] = 128, 0, 0, 780, 398, 402, 406, 410, 167, 129 } ; -static yyconst short int yy_def[571] = +static yyconst flex_int16_t yy_def[571] = { 0, 564, 1, 564, 565, 564, 564, 565, 566, 567, 565, 565, 565, 565, 565, 564, 565, 565, 565, 565, 565, @@ -527,7 +603,7 @@ static yyconst short int yy_def[571] = 565, 565, 565, 0, 564, 564, 564, 564, 564, 564 } ; -static yyconst short int yy_nxt[832] = +static yyconst flex_int16_t yy_nxt[832] = { 0, 4, 5, 6, 7, 8, 9, 10, 4, 11, 12, 13, 4, 14, 14, 14, 14, 14, 14, 14, 14, @@ -623,7 +699,7 @@ static yyconst short int yy_nxt[832] = 564 } ; -static yyconst short int yy_chk[832] = +static yyconst flex_int16_t yy_chk[832] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -722,6 +798,9 @@ static yyconst short int yy_chk[832] = static yy_state_type yy_last_accepting_state; static char *yy_last_accepting_cpos; +extern int yy_flex_debug; +int yy_flex_debug = 0; + /* The intent behind this definition is that it'll catch * any uses of REJECT which flex missed. */ @@ -731,7 +810,6 @@ static char *yy_last_accepting_cpos; #define YY_RESTORE_YY_MORE_OFFSET char *yytext; #line 1 "lexer.l" -#define INITIAL 0 /* * Copyright (C)1996-1997,1999 Ian Jackson * @@ -870,6 +948,21 @@ static void countnewlines(void); #define YY_NO_UNPUT +#line 952 "" + +#define INITIAL 0 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif /* Macros after this point can all be overridden by user definitions in * section 1. @@ -877,65 +970,30 @@ static void countnewlines(void); #ifndef YY_SKIP_YYWRAP #ifdef __cplusplus -extern "C" int yywrap YY_PROTO(( void )); +extern "C" int yywrap (void ); #else -extern int yywrap YY_PROTO(( void )); +extern int yywrap (void ); #endif #endif -#ifndef YY_NO_UNPUT -static void yyunput YY_PROTO(( int c, char *buf_ptr )); -#endif - + static void yyunput (int c,char *buf_ptr ); + #ifndef yytext_ptr -static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int )); +static void yy_flex_strncpy (char *,yyconst char *,int ); #endif #ifdef YY_NEED_STRLEN -static int yy_flex_strlen YY_PROTO(( yyconst char * )); +static int yy_flex_strlen (yyconst char * ); #endif #ifndef YY_NO_INPUT -#ifdef __cplusplus -static int yyinput YY_PROTO(( void )); -#else -static int input YY_PROTO(( void )); -#endif -#endif - -#if YY_STACK_USED -static int yy_start_stack_ptr = 0; -static int yy_start_stack_depth = 0; -static int *yy_start_stack = 0; -#ifndef YY_NO_PUSH_STATE -static void yy_push_state YY_PROTO(( int new_state )); -#endif -#ifndef YY_NO_POP_STATE -static void yy_pop_state YY_PROTO(( void )); -#endif -#ifndef YY_NO_TOP_STATE -static int yy_top_state YY_PROTO(( void )); -#endif +#ifdef __cplusplus +static int yyinput (void ); #else -#define YY_NO_PUSH_STATE 1 -#define YY_NO_POP_STATE 1 -#define YY_NO_TOP_STATE 1 +static int input (void ); #endif -#ifdef YY_MALLOC_DECL -YY_MALLOC_DECL -#else -#if __STDC__ -#ifndef __cplusplus -#include -#endif -#else -/* Just try to get by without declaring the routines. This will fail - * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int) - * or sizeof(void*) != sizeof(int). - */ -#endif #endif /* Amount of stuff to slurp up with each read. */ @@ -944,7 +1002,6 @@ YY_MALLOC_DECL #endif /* Copy whatever the last rule matched to the standard output. */ - #ifndef ECHO /* This used to be an fputs(), but since the string might contain NUL's, * we now use fwrite(). @@ -957,9 +1014,10 @@ YY_MALLOC_DECL */ #ifndef YY_INPUT #define YY_INPUT(buf,result,max_size) \ - if ( yy_current_buffer->yy_is_interactive ) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ { \ - int c = '*', n; \ + int c = '*'; \ + size_t n; \ for ( n = 0; n < max_size && \ (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ buf[n] = (char) c; \ @@ -969,9 +1027,22 @@ YY_MALLOC_DECL YY_FATAL_ERROR( "input in flex scanner failed" ); \ result = n; \ } \ - else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \ - && ferror( yyin ) ) \ - YY_FATAL_ERROR( "input in flex scanner failed" ); + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ + #endif /* No semi-colon after return; correct usage is to write "yyterminate();" - @@ -992,12 +1063,18 @@ YY_MALLOC_DECL #define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) #endif +/* end tables serialization structures and prototypes */ + /* Default declaration of generated scanner - a define so the user can * easily add parameters. */ #ifndef YY_DECL -#define YY_DECL int yylex YY_PROTO(( void )) -#endif +#define YY_DECL_IS_OURS 1 + +extern int yylex (void); + +#define YY_DECL int yylex (void) +#endif /* !YY_DECL */ /* Code executed at the beginning of each rule, after yytext and yyleng * have been set up. @@ -1014,26 +1091,29 @@ YY_MALLOC_DECL #define YY_RULE_SETUP \ YY_USER_ACTION +/** The main scanner function which does all the work. + */ YY_DECL - { +{ register yy_state_type yy_current_state; register char *yy_cp, *yy_bp; register int yy_act; - + #line 144 "lexer.l" +#line 1106 "" - if ( yy_init ) + if ( (yy_init) ) { - yy_init = 0; + (yy_init) = 0; #ifdef YY_USER_INIT YY_USER_INIT; #endif - if ( ! yy_start ) - yy_start = 1; /* first start state */ + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ if ( ! yyin ) yyin = stdin; @@ -1041,34 +1121,36 @@ YY_DECL if ( ! yyout ) yyout = stdout; - if ( ! yy_current_buffer ) - yy_current_buffer = - yy_create_buffer( yyin, YY_BUF_SIZE ); + if ( ! YY_CURRENT_BUFFER ) { + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); + } - yy_load_buffer_state(); + yy_load_buffer_state( ); } while ( 1 ) /* loops until end-of-file is reached */ { - yy_cp = yy_c_buf_p; + yy_cp = (yy_c_buf_p); /* Support of yytext. */ - *yy_cp = yy_hold_char; + *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_current_state = (yy_start); yy_match: do { register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; if ( yy_accept[yy_current_state] ) { - yy_last_accepting_state = yy_current_state; - yy_last_accepting_cpos = yy_cp; + (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 ) { @@ -1085,24 +1167,22 @@ yy_find_action: yy_act = yy_accept[yy_current_state]; if ( yy_act == 0 ) { /* have to back up */ - yy_cp = yy_last_accepting_cpos; - yy_current_state = yy_last_accepting_state; + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); yy_act = yy_accept[yy_current_state]; } YY_DO_BEFORE_ACTION; - do_action: /* This label is used only to access EOF actions. */ - switch ( yy_act ) { /* beginning of action switch */ case 0: /* must back up */ /* undo the effects of YY_DO_BEFORE_ACTION */ - *yy_cp = yy_hold_char; - yy_cp = yy_last_accepting_cpos; - yy_current_state = yy_last_accepting_state; + *yy_cp = (yy_hold_char); + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); goto yy_find_action; case 1: @@ -1587,7 +1667,7 @@ YY_RULE_SETUP char *ep; lr_min= (int)strtoul(yytext,&ep,10); assert(*ep == HYPHEN); - assert(*++ep); + ep++; assert(*ep); lr_max= (int)strtoul(ep,&ep,10); assert(!*ep); if (lr_max < lr_min) @@ -1602,12 +1682,13 @@ YY_RULE_SETUP char *ep; lr_min= (int)strtoul(yytext,&ep,10); assert(*ep == HYPHEN); - assert(!*++ep); + ep++; assert(!*ep); lr_max=-1; return tokv_fdstoend; } YY_BREAK case 97: +/* rule 97 can match eol */ YY_RULE_SETUP #line 267 "lexer.l" countnewlines(); return tokv_lwsp; @@ -1618,11 +1699,13 @@ YY_RULE_SETUP return tokv_lwsp; YY_BREAK case 99: +/* rule 99 can match eol */ YY_RULE_SETUP #line 269 "lexer.l" cstate->lineno++; return tokv_newline; YY_BREAK case 100: +/* rule 100 can match eol */ YY_RULE_SETUP #line 270 "lexer.l" cstate->lineno++; return tokv_newline; @@ -1633,6 +1716,7 @@ YY_RULE_SETUP return parseerrprint("missing newline at eof after comment"); YY_BREAK case 102: +/* rule 102 can match eol */ YY_RULE_SETUP #line 272 "lexer.l" { @@ -1669,30 +1753,31 @@ YY_RULE_SETUP #line 283 "lexer.l" ECHO; YY_BREAK +#line 1757 "" case YY_END_OF_BUFFER: { /* Amount of text matched not including the EOB char. */ - int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1; + int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; /* Undo the effects of YY_DO_BEFORE_ACTION. */ - *yy_cp = yy_hold_char; + *yy_cp = (yy_hold_char); YY_RESTORE_YY_MORE_OFFSET - if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW ) + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) { /* We're scanning a new file or input source. It's * possible that this happened because the user * just pointed yyin at a new source and called * yylex(). If so, then we have to assure - * consistency between yy_current_buffer and our + * consistency between YY_CURRENT_BUFFER and our * globals. Here is the right place to do so, because * this is the first action (other than possibly a * back-up) that will match for the new input source. */ - yy_n_chars = yy_current_buffer->yy_n_chars; - yy_current_buffer->yy_input_file = yyin; - yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL; + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; } /* Note that here we test for yy_c_buf_p "<=" to the position @@ -1702,13 +1787,13 @@ ECHO; * end-of-buffer state). Contrast this with the test * in input(). */ - if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] ) + if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) { /* This was really a NUL. */ yy_state_type yy_next_state; - yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text; + (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; - yy_current_state = yy_get_previous_state(); + yy_current_state = yy_get_previous_state( ); /* Okay, we're now positioned to make the NUL * transition. We couldn't have @@ -1721,30 +1806,30 @@ ECHO; yy_next_state = yy_try_NUL_trans( yy_current_state ); - yy_bp = yytext_ptr + YY_MORE_ADJ; + yy_bp = (yytext_ptr) + YY_MORE_ADJ; if ( yy_next_state ) { /* Consume the NUL. */ - yy_cp = ++yy_c_buf_p; + yy_cp = ++(yy_c_buf_p); yy_current_state = yy_next_state; goto yy_match; } else { - yy_cp = yy_c_buf_p; + yy_cp = (yy_c_buf_p); goto yy_find_action; } } - else switch ( yy_get_next_buffer() ) + else switch ( yy_get_next_buffer( ) ) { case EOB_ACT_END_OF_FILE: { - yy_did_buffer_switch_on_eof = 0; + (yy_did_buffer_switch_on_eof) = 0; - if ( yywrap() ) + if ( yywrap( ) ) { /* Note: because we've taken care in * yy_get_next_buffer() to have set up @@ -1755,7 +1840,7 @@ ECHO; * YY_NULL, it'll still work - another * YY_NULL will get returned. */ - yy_c_buf_p = yytext_ptr + YY_MORE_ADJ; + (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; yy_act = YY_STATE_EOF(YY_START); goto do_action; @@ -1763,30 +1848,30 @@ ECHO; else { - if ( ! yy_did_buffer_switch_on_eof ) + if ( ! (yy_did_buffer_switch_on_eof) ) YY_NEW_FILE; } break; } case EOB_ACT_CONTINUE_SCAN: - yy_c_buf_p = - yytext_ptr + yy_amount_of_matched_text; + (yy_c_buf_p) = + (yytext_ptr) + yy_amount_of_matched_text; - yy_current_state = yy_get_previous_state(); + yy_current_state = yy_get_previous_state( ); - yy_cp = yy_c_buf_p; - yy_bp = yytext_ptr + YY_MORE_ADJ; + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; goto yy_match; case EOB_ACT_LAST_MATCH: - yy_c_buf_p = - &yy_current_buffer->yy_ch_buf[yy_n_chars]; + (yy_c_buf_p) = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; - yy_current_state = yy_get_previous_state(); + yy_current_state = yy_get_previous_state( ); - yy_cp = yy_c_buf_p; - yy_bp = yytext_ptr + YY_MORE_ADJ; + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; goto yy_find_action; } break; @@ -1797,8 +1882,7 @@ ECHO; "fatal flex scanner internal error--no action found" ); } /* end of action switch */ } /* end of scanning one token */ - } /* end of yylex */ - +} /* end of yylex */ /* yy_get_next_buffer - try to read in a new buffer * @@ -1807,21 +1891,20 @@ ECHO; * EOB_ACT_CONTINUE_SCAN - continue scanning from current position * EOB_ACT_END_OF_FILE - end of file */ - -static int yy_get_next_buffer() - { - register char *dest = yy_current_buffer->yy_ch_buf; - register char *source = yytext_ptr; +static int yy_get_next_buffer (void) +{ + register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + register char *source = (yytext_ptr); register int number_to_move, i; int ret_val; - if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] ) + if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) YY_FATAL_ERROR( "fatal flex scanner internal error--end of buffer missed" ); - if ( yy_current_buffer->yy_fill_buffer == 0 ) + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) { /* Don't try to fill the buffer, so this is an EOF. */ - if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 ) + if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) { /* We matched a single character, the EOB, so * treat this as a final EOF. @@ -1841,34 +1924,30 @@ static int yy_get_next_buffer() /* Try to read more data. */ /* First move last chars to start of buffer. */ - number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1; + number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; for ( i = 0; i < number_to_move; ++i ) *(dest++) = *(source++); - if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) /* don't do the read, it's not guaranteed to return an EOF, * just force an EOF */ - yy_current_buffer->yy_n_chars = yy_n_chars = 0; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; else { - int num_to_read = - yy_current_buffer->yy_buf_size - number_to_move - 1; + size_t num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; while ( num_to_read <= 0 ) { /* Not enough room in the buffer - grow it. */ -#ifdef YY_USES_REJECT - YY_FATAL_ERROR( -"input buffer overflow, can't enlarge buffer because scanner uses REJECT" ); -#else /* just a shorter name for the current buffer */ - YY_BUFFER_STATE b = yy_current_buffer; + YY_BUFFER_STATE b = YY_CURRENT_BUFFER; int yy_c_buf_p_offset = - (int) (yy_c_buf_p - b->yy_ch_buf); + (int) ((yy_c_buf_p) - b->yy_ch_buf); if ( b->yy_is_our_buffer ) { @@ -1881,8 +1960,7 @@ static int yy_get_next_buffer() b->yy_ch_buf = (char *) /* Include room in for 2 EOB chars. */ - yy_flex_realloc( (void *) b->yy_ch_buf, - b->yy_buf_size + 2 ); + yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); } else /* Can't grow it, we don't own it. */ @@ -1892,35 +1970,35 @@ static int yy_get_next_buffer() YY_FATAL_ERROR( "fatal error - scanner input buffer overflow" ); - yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset]; + (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; - num_to_read = yy_current_buffer->yy_buf_size - + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; -#endif + } if ( num_to_read > YY_READ_BUF_SIZE ) num_to_read = YY_READ_BUF_SIZE; /* Read in more data. */ - YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]), - yy_n_chars, num_to_read ); + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + (yy_n_chars), num_to_read ); - yy_current_buffer->yy_n_chars = yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); } - if ( yy_n_chars == 0 ) + if ( (yy_n_chars) == 0 ) { if ( number_to_move == YY_MORE_ADJ ) { ret_val = EOB_ACT_END_OF_FILE; - yyrestart( yyin ); + yyrestart(yyin ); } else { ret_val = EOB_ACT_LAST_MATCH; - yy_current_buffer->yy_buffer_status = + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_EOF_PENDING; } } @@ -1928,32 +2006,31 @@ static int yy_get_next_buffer() 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; + (yy_n_chars) += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; - yytext_ptr = &yy_current_buffer->yy_ch_buf[0]; + (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; return ret_val; - } - +} /* yy_get_previous_state - get the state just before the EOB char was reached */ -static yy_state_type yy_get_previous_state() - { + static yy_state_type yy_get_previous_state (void) +{ register yy_state_type yy_current_state; register char *yy_cp; + + yy_current_state = (yy_start); - yy_current_state = yy_start; - - for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp ) + for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) { register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); if ( yy_accept[yy_current_state] ) { - yy_last_accepting_state = yy_current_state; - yy_last_accepting_cpos = yy_cp; + (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 ) { @@ -1965,30 +2042,23 @@ static yy_state_type yy_get_previous_state() } return yy_current_state; - } - +} /* yy_try_NUL_trans - try to make a transition on the NUL character * * synopsis * next_state = yy_try_NUL_trans( current_state ); */ - -#ifdef YY_USE_PROTOS -static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state ) -#else -static yy_state_type yy_try_NUL_trans( yy_current_state ) -yy_state_type yy_current_state; -#endif - { + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) +{ register int yy_is_jam; - register char *yy_cp = yy_c_buf_p; + register char *yy_cp = (yy_c_buf_p); register YY_CHAR yy_c = 1; if ( yy_accept[yy_current_state] ) { - yy_last_accepting_state = yy_current_state; - yy_last_accepting_cpos = yy_cp; + (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 ) { @@ -2000,80 +2070,73 @@ yy_state_type yy_current_state; yy_is_jam = (yy_current_state == 564); return yy_is_jam ? 0 : yy_current_state; - } - +} -#ifndef YY_NO_UNPUT -#ifdef YY_USE_PROTOS -static void yyunput( int c, register char *yy_bp ) -#else -static void yyunput( c, yy_bp ) -int c; -register char *yy_bp; -#endif - { - register char *yy_cp = yy_c_buf_p; + static void yyunput (int c, register char * yy_bp ) +{ + register char *yy_cp; + + yy_cp = (yy_c_buf_p); /* undo effects of setting up yytext */ - *yy_cp = yy_hold_char; + *yy_cp = (yy_hold_char); - if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) { /* need to shift things up to make room */ /* +2 for EOB chars. */ - register int number_to_move = yy_n_chars + 2; - register char *dest = &yy_current_buffer->yy_ch_buf[ - yy_current_buffer->yy_buf_size + 2]; + register int number_to_move = (yy_n_chars) + 2; + register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ + YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; register char *source = - &yy_current_buffer->yy_ch_buf[number_to_move]; + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; - while ( source > yy_current_buffer->yy_ch_buf ) + while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) *--dest = *--source; yy_cp += (int) (dest - source); yy_bp += (int) (dest - source); - yy_current_buffer->yy_n_chars = - yy_n_chars = yy_current_buffer->yy_buf_size; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size; - if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) YY_FATAL_ERROR( "flex scanner push-back overflow" ); } *--yy_cp = (char) c; + (yytext_ptr) = yy_bp; + (yy_hold_char) = *yy_cp; + (yy_c_buf_p) = yy_cp; +} - yytext_ptr = yy_bp; - yy_hold_char = *yy_cp; - yy_c_buf_p = yy_cp; - } -#endif /* ifndef YY_NO_UNPUT */ - - +#ifndef YY_NO_INPUT #ifdef __cplusplus -static int yyinput() + static int yyinput (void) #else -static int input() + static int input (void) #endif - { - int c; - *yy_c_buf_p = yy_hold_char; +{ + int c; + + *(yy_c_buf_p) = (yy_hold_char); - if ( *yy_c_buf_p == YY_END_OF_BUFFER_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] ) + if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) /* This was really a NUL. */ - *yy_c_buf_p = '\0'; + *(yy_c_buf_p) = '\0'; else { /* need more input */ - int offset = yy_c_buf_p - yytext_ptr; - ++yy_c_buf_p; + int offset = (yy_c_buf_p) - (yytext_ptr); + ++(yy_c_buf_p); - switch ( yy_get_next_buffer() ) + switch ( yy_get_next_buffer( ) ) { case EOB_ACT_LAST_MATCH: /* This happens because yy_g_n_b() @@ -2087,16 +2150,16 @@ static int input() */ /* Reset buffer status. */ - yyrestart( yyin ); + yyrestart(yyin ); - /* fall through */ + /*FALLTHROUGH*/ case EOB_ACT_END_OF_FILE: { - if ( yywrap() ) + if ( yywrap( ) ) return EOF; - if ( ! yy_did_buffer_switch_on_eof ) + if ( ! (yy_did_buffer_switch_on_eof) ) YY_NEW_FILE; #ifdef __cplusplus return yyinput(); @@ -2106,90 +2169,92 @@ static int input() } case EOB_ACT_CONTINUE_SCAN: - yy_c_buf_p = yytext_ptr + offset; + (yy_c_buf_p) = (yytext_ptr) + offset; break; } } } - c = *(unsigned char *) yy_c_buf_p; /* cast for 8-bit char's */ - *yy_c_buf_p = '\0'; /* preserve yytext */ - yy_hold_char = *++yy_c_buf_p; - + c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ + *(yy_c_buf_p) = '\0'; /* preserve yytext */ + (yy_hold_char) = *++(yy_c_buf_p); return c; - } - - -#ifdef YY_USE_PROTOS -void yyrestart( FILE *input_file ) -#else -void yyrestart( input_file ) -FILE *input_file; -#endif - { - if ( ! yy_current_buffer ) - yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); +} +#endif /* ifndef YY_NO_INPUT */ - yy_init_buffer( yy_current_buffer, input_file ); - yy_load_buffer_state(); +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * + * @note This function does not reset the start condition to @c INITIAL . + */ + void yyrestart (FILE * input_file ) +{ + + if ( ! YY_CURRENT_BUFFER ){ + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); } + yy_init_buffer(YY_CURRENT_BUFFER,input_file ); + yy_load_buffer_state( ); +} -#ifdef YY_USE_PROTOS -void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer ) -#else -void yy_switch_to_buffer( new_buffer ) -YY_BUFFER_STATE new_buffer; -#endif - { - if ( yy_current_buffer == new_buffer ) +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * + */ + void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) +{ + + /* TODO. We should be able to replace this entire function body + * with + * yypop_buffer_state(); + * yypush_buffer_state(new_buffer); + */ + yyensure_buffer_stack (); + if ( YY_CURRENT_BUFFER == new_buffer ) return; - if ( yy_current_buffer ) + 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_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); } - yy_current_buffer = new_buffer; - yy_load_buffer_state(); + YY_CURRENT_BUFFER_LVALUE = new_buffer; + yy_load_buffer_state( ); /* We don't actually know whether we did this switch during * EOF (yywrap()) processing, but the only time this flag * is looked at is after yywrap() is called, so it's safe * to go ahead and always set it. */ - yy_did_buffer_switch_on_eof = 1; - } - - -#ifdef YY_USE_PROTOS -void yy_load_buffer_state( void ) -#else -void yy_load_buffer_state() -#endif - { - yy_n_chars = yy_current_buffer->yy_n_chars; - yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos; - yyin = yy_current_buffer->yy_input_file; - yy_hold_char = *yy_c_buf_p; - } - + (yy_did_buffer_switch_on_eof) = 1; +} -#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 - { +static void yy_load_buffer_state (void) +{ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + (yy_hold_char) = *(yy_c_buf_p); +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * + * @return the allocated buffer state. + */ + YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) +{ YY_BUFFER_STATE b; - - b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) ); + + b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); if ( ! b ) YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); @@ -2198,80 +2263,75 @@ int size; /* yy_ch_buf has to be 2 characters longer than the size given because * we need to put in 2 end-of-buffer characters. */ - b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 ); + b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 ); if ( ! b->yy_ch_buf ) YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); b->yy_is_our_buffer = 1; - yy_init_buffer( b, file ); + 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 - { +/** Destroy the buffer. + * @param b a buffer created with yy_create_buffer() + * + */ + void yy_delete_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) return; - if ( b == yy_current_buffer ) - yy_current_buffer = (YY_BUFFER_STATE) 0; + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; if ( b->yy_is_our_buffer ) - yy_flex_free( (void *) b->yy_ch_buf ); + yyfree((void *) b->yy_ch_buf ); - yy_flex_free( (void *) b ); - } - - -#ifndef YY_ALWAYS_INTERACTIVE -#ifndef YY_NEVER_INTERACTIVE -extern int isatty YY_PROTO(( int )); -#endif -#endif - -#ifdef YY_USE_PROTOS -void yy_init_buffer( YY_BUFFER_STATE b, FILE *file ) -#else -void yy_init_buffer( b, file ) -YY_BUFFER_STATE b; -FILE *file; -#endif + yyfree((void *) b ); +} +#ifndef __cplusplus +extern int isatty (int ); +#endif /* __cplusplus */ + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a yyrestart() or at EOF. + */ + static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) - { - yy_flush_buffer( b ); +{ + int oerrno = errno; + + yy_flush_buffer(b ); b->yy_input_file = file; b->yy_fill_buffer = 1; -#if YY_ALWAYS_INTERACTIVE - b->yy_is_interactive = 1; -#else -#if YY_NEVER_INTERACTIVE - b->yy_is_interactive = 0; -#else - b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; -#endif -#endif - } - - -#ifdef YY_USE_PROTOS -void yy_flush_buffer( YY_BUFFER_STATE b ) -#else -void yy_flush_buffer( b ) -YY_BUFFER_STATE b; -#endif - - { - if ( ! b ) + /* If b is the current buffer, then yy_init_buffer was _probably_ + * called from yyrestart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * + */ + void yy_flush_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) return; b->yy_n_chars = 0; @@ -2288,29 +2348,121 @@ YY_BUFFER_STATE b; b->yy_at_bol = 1; b->yy_buffer_status = YY_BUFFER_NEW; - if ( b == yy_current_buffer ) - yy_load_buffer_state(); + if ( b == YY_CURRENT_BUFFER ) + yy_load_buffer_state( ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * + */ +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) +{ + if (new_buffer == NULL) + return; + + yyensure_buffer_stack(); + + /* This block is copied from yy_switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + (yy_buffer_stack_top)++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from yy_switch_to_buffer. */ + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * + */ +void yypop_buffer_state (void) +{ + if (!YY_CURRENT_BUFFER) + return; + + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + if ((yy_buffer_stack_top) > 0) + --(yy_buffer_stack_top); + + if (YY_CURRENT_BUFFER) { + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; } +} +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void yyensure_buffer_stack (void) +{ + int num_to_alloc; + + if (!(yy_buffer_stack)) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + ); + + memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + (yy_buffer_stack_max) = num_to_alloc; + (yy_buffer_stack_top) = 0; + return; + } -#ifndef YY_NO_SCAN_BUFFER -#ifdef YY_USE_PROTOS -YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size ) -#else -YY_BUFFER_STATE yy_scan_buffer( base, size ) -char *base; -yy_size_t size; -#endif - { - YY_BUFFER_STATE b; + if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc + ((yy_buffer_stack), + num_to_alloc * sizeof(struct yy_buffer_state*) + ); + + /* zero only the new slots.*/ + memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); + (yy_buffer_stack_max) = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) +{ + YY_BUFFER_STATE b; + if ( size < 2 || base[size-2] != YY_END_OF_BUFFER_CHAR || base[size-1] != YY_END_OF_BUFFER_CHAR ) /* They forgot to leave room for the EOB's. */ return 0; - b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) ); + b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); if ( ! b ) YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); @@ -2324,47 +2476,42 @@ yy_size_t size; b->yy_fill_buffer = 0; b->yy_buffer_status = YY_BUFFER_NEW; - yy_switch_to_buffer( b ); + yy_switch_to_buffer(b ); return b; - } -#endif - - -#ifndef YY_NO_SCAN_STRING -#ifdef YY_USE_PROTOS -YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str ) -#else -YY_BUFFER_STATE yy_scan_string( yy_str ) -yyconst char *yy_str; -#endif - { - int len; - for ( len = 0; yy_str[len]; ++len ) - ; - - return yy_scan_bytes( yy_str, len ); - } -#endif - - -#ifndef YY_NO_SCAN_BYTES -#ifdef YY_USE_PROTOS -YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len ) -#else -YY_BUFFER_STATE yy_scan_bytes( bytes, len ) -yyconst char *bytes; -int len; -#endif - { +} + +/** Setup the input buffer state to scan a string. The next call to yylex() will + * scan from a @e copy of @a str. + * @param str a NUL-terminated string to scan + * + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * yy_scan_bytes() instead. + */ +YY_BUFFER_STATE yy_scan_string (yyconst char * yy_str ) +{ + + return yy_scan_bytes(yy_str,strlen(yy_str) ); +} + +/** Setup the input buffer state to scan the given bytes. The next call to yylex() will + * scan from a @e copy of @a bytes. + * @param bytes the byte buffer to scan + * @param len the number of bytes in the buffer pointed to by @a bytes. + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_bytes (yyconst char * bytes, int len ) +{ YY_BUFFER_STATE b; char *buf; yy_size_t n; int i; - + /* Get memory for full buffer, including space for trailing EOB's. */ n = len + 2; - buf = (char *) yy_flex_alloc( n ); + buf = (char *) yyalloc(n ); if ( ! buf ) YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); @@ -2373,7 +2520,7 @@ int len; buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR; - b = yy_scan_buffer( buf, n ); + b = yy_scan_buffer(buf,n ); if ( ! b ) YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); @@ -2383,148 +2530,164 @@ int len; b->yy_is_our_buffer = 1; return b; - } -#endif +} - -#ifndef YY_NO_PUSH_STATE -#ifdef YY_USE_PROTOS -static void yy_push_state( int new_state ) -#else -static void yy_push_state( new_state ) -int new_state; +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 #endif - { - if ( yy_start_stack_ptr >= yy_start_stack_depth ) - { - yy_size_t new_size; - yy_start_stack_depth += YY_START_STACK_INCR; - new_size = yy_start_stack_depth * sizeof( int ); - - if ( ! yy_start_stack ) - yy_start_stack = (int *) yy_flex_alloc( new_size ); +static void yy_fatal_error (yyconst char* msg ) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} - else - yy_start_stack = (int *) yy_flex_realloc( - (void *) yy_start_stack, new_size ); +/* Redefine yyless() so it works in section 3 code. */ - if ( ! yy_start_stack ) - YY_FATAL_ERROR( - "out of memory expanding start-condition stack" ); - } +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + yytext[yyleng] = (yy_hold_char); \ + (yy_c_buf_p) = yytext + yyless_macro_arg; \ + (yy_hold_char) = *(yy_c_buf_p); \ + *(yy_c_buf_p) = '\0'; \ + yyleng = yyless_macro_arg; \ + } \ + while ( 0 ) - yy_start_stack[yy_start_stack_ptr++] = YY_START; +/* Accessor methods (get/set functions) to struct members. */ - BEGIN(new_state); - } -#endif +/** Get the current line number. + * + */ +int yyget_lineno (void) +{ + + return yylineno; +} +/** Get the input stream. + * + */ +FILE *yyget_in (void) +{ + return yyin; +} -#ifndef YY_NO_POP_STATE -static void yy_pop_state() - { - if ( --yy_start_stack_ptr < 0 ) - YY_FATAL_ERROR( "start-condition stack underflow" ); +/** Get the output stream. + * + */ +FILE *yyget_out (void) +{ + return yyout; +} - BEGIN(yy_start_stack[yy_start_stack_ptr]); - } -#endif +/** Get the length of the current token. + * + */ +int yyget_leng (void) +{ + return yyleng; +} +/** Get the current token. + * + */ -#ifndef YY_NO_TOP_STATE -static int yy_top_state() - { - return yy_start_stack[yy_start_stack_ptr - 1]; - } -#endif +char *yyget_text (void) +{ + return yytext; +} -#ifndef YY_EXIT_FAILURE -#define YY_EXIT_FAILURE 2 -#endif +/** Set the current line number. + * @param line_number + * + */ +void yyset_lineno (int line_number ) +{ + + yylineno = line_number; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * + * @see yy_switch_to_buffer + */ +void yyset_in (FILE * in_str ) +{ + yyin = in_str ; +} -#ifdef YY_USE_PROTOS -static void yy_fatal_error( yyconst char msg[] ) -#else -static void yy_fatal_error( msg ) -char msg[]; -#endif - { - (void) fprintf( stderr, "%s\n", msg ); - exit( YY_EXIT_FAILURE ); - } +void yyset_out (FILE * out_str ) +{ + yyout = out_str ; +} +int yyget_debug (void) +{ + return yy_flex_debug; +} +void yyset_debug (int bdebug ) +{ + yy_flex_debug = bdebug ; +} -/* Redefine yyless() so it works in section 3 code. */ +/* yylex_destroy is for both reentrant and non-reentrant scanners. */ +int yylex_destroy (void) +{ + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + yypop_buffer_state(); + } -#undef yyless -#define yyless(n) \ - do \ - { \ - /* Undo effects of setting up yytext. */ \ - yytext[yyleng] = yy_hold_char; \ - yy_c_buf_p = yytext + n; \ - yy_hold_char = *yy_c_buf_p; \ - *yy_c_buf_p = '\0'; \ - yyleng = n; \ - } \ - while ( 0 ) + /* Destroy the stack itself. */ + yyfree((yy_buffer_stack) ); + (yy_buffer_stack) = NULL; + return 0; +} -/* Internal utility routines. */ +/* + * Internal utility routines. + */ #ifndef yytext_ptr -#ifdef YY_USE_PROTOS -static void yy_flex_strncpy( char *s1, yyconst char *s2, int n ) -#else -static void yy_flex_strncpy( s1, s2, n ) -char *s1; -yyconst char *s2; -int n; -#endif - { +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) +{ register int i; - for ( i = 0; i < n; ++i ) + for ( i = 0; i < n; ++i ) s1[i] = s2[i]; - } +} #endif #ifdef YY_NEED_STRLEN -#ifdef YY_USE_PROTOS -static int yy_flex_strlen( yyconst char *s ) -#else -static int yy_flex_strlen( s ) -yyconst char *s; -#endif - { +static int yy_flex_strlen (yyconst char * s ) +{ register int n; - for ( n = 0; s[n]; ++n ) + for ( n = 0; s[n]; ++n ) ; return n; - } +} #endif - -#ifdef YY_USE_PROTOS -static void *yy_flex_alloc( yy_size_t size ) -#else -static void *yy_flex_alloc( size ) -yy_size_t size; -#endif - { +void *yyalloc (yy_size_t size ) +{ return (void *) malloc( size ); - } +} -#ifdef YY_USE_PROTOS -static void *yy_flex_realloc( void *ptr, yy_size_t size ) -#else -static void *yy_flex_realloc( ptr, size ) -void *ptr; -yy_size_t size; -#endif - { +void *yyrealloc (void * ptr, yy_size_t size ) +{ /* The cast to (char *) in the following accommodates both * implementations that use char* generic pointers, and those * that use void* generic pointers. It works with the latter @@ -2533,28 +2696,31 @@ yy_size_t size; * as though doing an assignment. */ return (void *) realloc( (char *) ptr, size ); - } +} -#ifdef YY_USE_PROTOS -static void yy_flex_free( void *ptr ) -#else -static void yy_flex_free( ptr ) -void *ptr; -#endif - { - free( ptr ); - } +void yyfree (void * ptr ) +{ + free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ +} -#if YY_MAIN -int main() - { - yylex(); - return 0; - } +#define YYTABLES_NAME "yytables" + +#undef YY_NEW_FILE +#undef YY_FLUSH_BUFFER +#undef yy_set_bol +#undef yy_new_buffer +#undef yy_set_interactive +#undef yytext_ptr +#undef YY_DO_BEFORE_ACTION + +#ifdef YY_DECL_IS_OURS +#undef YY_DECL_IS_OURS +#undef YY_DECL #endif #line 283 "lexer.l" + const char *const builtinservicehelpstrings[]= { "environment", "parameter ", @@ -2570,3 +2736,4 @@ const char *const builtinservicehelpstrings[]= { #include "parser.c" + diff --git a/lexer.l b/lexer.l index 5b98073..17b757d 100644 --- a/lexer.l +++ b/lexer.l @@ -249,7 +249,7 @@ error { lr_dir= df_error; lr_loglevel= LOG_ERR; return tokv_word_error; } char *ep; lr_min= (int)strtoul(yytext,&ep,10); assert(*ep == HYPHEN); - assert(*++ep); + ep++; assert(*ep); lr_max= (int)strtoul(ep,&ep,10); assert(!*ep); if (lr_max < lr_min) @@ -260,7 +260,7 @@ error { lr_dir= df_error; lr_loglevel= LOG_ERR; return tokv_word_error; } char *ep; lr_min= (int)strtoul(yytext,&ep,10); assert(*ep == HYPHEN); - assert(!*++ep); + ep++; assert(!*ep); lr_max=-1; return tokv_fdstoend; } diff --git a/lexer.l.m4 b/lexer.l.m4 index 78aab9d..7b42a1d 100644 --- a/lexer.l.m4 +++ b/lexer.l.m4 @@ -156,7 +156,7 @@ changequote({*,*}) char *ep; lr_min= (int)strtoul(yytext,&ep,10); assert(*ep == HYPHEN); - assert(*++ep); + ep++; assert(*ep); lr_max= (int)strtoul(ep,&ep,10); assert(!*ep); if (lr_max < lr_min) @@ -167,7 +167,7 @@ changequote({*,*}) char *ep; lr_min= (int)strtoul(yytext,&ep,10); assert(*ep == HYPHEN); - assert(!*++ep); + ep++; assert(!*ep); lr_max=-1; return tokv_fdstoend; } diff --git a/parser.c b/parser.c index 3f40ffb..e063bf9 100644 --- a/parser.c +++ b/parser.c @@ -148,7 +148,7 @@ static int dequote(char *inplace) { int v; p=q=inplace; - assert(*p++ = '"'); + assert(*p=='"'); p++; while (*p && *p != '"') { if (*p != '\\') { *q++= *p++; continue; } switch (*++p) { @@ -183,7 +183,7 @@ static int dequote(char *inplace) { } } } - assert(*p); assert(!*++p); + assert(*p); p++; assert(!*p); *q++= 0; return tokv_quotedstring; } -- 2.30.2